scrotwm.c

   1 /* $scrotwm$ */
   2 /*
   3  * Copyright (c) 2009 Marco Peereboom <marco@peereboom.us>
   4  * Copyright (c) 2009 Ryan McBride <mcbride@countersiege.com>
   5  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   6  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20 /*
  21  * Much code and ideas taken from dwm under the following license:
  22  * MIT/X Consortium License
  23  *
  24  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  25  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  26  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  27  * 2007 Premysl Hruby <dfenze at gmail dot com>
  28  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  29  * 2007 Christof Musik <christof at sendfax dot de>
  30  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  31  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  32  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  33  *
  34  * Permission is hereby granted, free of charge, to any person obtaining a
  35  * copy of this software and associated documentation files (the "Software"),
  36  * to deal in the Software without restriction, including without limitation
  37  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  38  * and/or sell copies of the Software, and to permit persons to whom the
  39  * Software is furnished to do so, subject to the following conditions:
  40  *
  41  * The above copyright notice and this permission notice shall be included in
  42  * all copies or substantial portions of the Software.
  43  *
  44  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  45  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  46  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  47  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  48  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  49  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  50  * DEALINGS IN THE SOFTWARE.
  51  */
  52
  53 static const char       *cvstag = "$scrotwm$";
  54
  55 #define SWM_VERSION     "0.9.25"
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <err.h>
  60 #include <errno.h>
  61 #include <fcntl.h>
  62 #include <locale.h>
  63 #include <unistd.h>
  64 #include <time.h>
  65 #include <signal.h>
  66 #include <string.h>
  67 #include <util.h>
  68 #include <pwd.h>
  69 #include <ctype.h>
  70
  71 #include <sys/types.h>
  72 #include <sys/time.h>
  73 #include <sys/stat.h>
  74 #include <sys/wait.h>
  75 #include <sys/queue.h>
  76 #include <sys/param.h>
  77 #include <sys/select.h>
  78
  79 #include <X11/cursorfont.h>
  80 #include <X11/keysym.h>
  81 #include <X11/Xatom.h>
  82 #include <X11/Xlib.h>
  83 #include <X11/Xproto.h>
  84 #include <X11/Xutil.h>
  85 #include <X11/extensions/Xrandr.h>
  86
  87 #ifdef __OSX__
  88 #include <osx.h>
  89 #endif
  90
  91 #if RANDR_MAJOR < 1
  92 #  error XRandR versions less than 1.0 are not supported
  93 #endif
  94
  95 #if RANDR_MAJOR >= 1
  96 #if RANDR_MINOR >= 2
  97 #define SWM_XRR_HAS_CRTC
  98 #endif
  99 #endif
 100
 101 /* #define SWM_DEBUG */
 102 #ifdef SWM_DEBUG
 103 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 104 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 105 #define SWM_D_MISC              0x0001
 106 #define SWM_D_EVENT             0x0002
 107 #define SWM_D_WS                0x0004
 108 #define SWM_D_FOCUS             0x0008
 109 #define SWM_D_MOVE              0x0010
 110 #define SWM_D_STACK             0x0020
 111 #define SWM_D_MOUSE             0x0040
 112 #define SWM_D_PROP              0x0080
 113 #define SWM_D_CLASS             0x0100
 114 #define SWM_D_KEY               0x0200
 115 #define SWM_D_QUIRK             0x0400
 116 #define SWM_D_SPAWN             0x0800
 117 #define SWM_D_EVENTQ            0x1000
 118 #define SWM_D_CONF              0x2000
 119
 120 u_int32_t               swm_debug = 0
 121                             | SWM_D_MISC
 122                             | SWM_D_EVENT
 123                             | SWM_D_WS
 124                             | SWM_D_FOCUS
 125                             | SWM_D_MOVE
 126                             | SWM_D_STACK
 127                             | SWM_D_MOUSE
 128                             | SWM_D_PROP
 129                             | SWM_D_CLASS
 130                             | SWM_D_KEY
 131                             | SWM_D_QUIRK
 132                             | SWM_D_SPAWN
 133                             | SWM_D_EVENTQ
 134                             | SWM_D_CONF
 135                             ;
 136 #else
 137 #define DPRINTF(x...)
 138 #define DNPRINTF(n,x...)
 139 #endif
 140
 141 #define LENGTH(x)               (sizeof x / sizeof x[0])
 142 #define MODKEY                  Mod1Mask
 143 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 144 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 145 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 146 #define SWM_PROPLEN             (16)
 147 #define SWM_FUNCNAME_LEN        (32)
 148 #define SWM_KEYS_LEN            (255)
 149 #define SWM_QUIRK_LEN           (64)
 150 #define X(r)                    (r)->g.x
 151 #define Y(r)                    (r)->g.y
 152 #define WIDTH(r)                (r)->g.w
 153 #define HEIGHT(r)               (r)->g.h
 154 #define SWM_MAX_FONT_STEPS      (3)
 155 #define WINID(w)                (w ? w->id : 0)
 156
 157 #define SWM_FOCUS_DEFAULT       (0)
 158 #define SWM_FOCUS_SYNERGY       (1)
 159 #define SWM_FOCUS_FOLLOW        (2)
 160
 161 #ifndef SWM_LIB
 162 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 163 #endif
 164
 165 char                    **start_argv;
 166 Atom                    astate;
 167 Atom                    aprot;
 168 Atom                    adelete;
 169 Atom                    takefocus;
 170 volatile sig_atomic_t   running = 1;
 171 int                     outputs = 0;
 172 int                     last_focus_event = FocusOut;
 173 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 174 int                     other_wm;
 175 int                     ss_enabled = 0;
 176 int                     xrandr_support;
 177 int                     xrandr_eventbase;
 178 unsigned int            numlockmask = 0;
 179 Display                 *display;
 180
 181 int                     cycle_empty = 0;
 182 int                     cycle_visible = 0;
 183 int                     term_width = 0;
 184 int                     font_adjusted = 0;
 185 unsigned int            mod_key = MODKEY;
 186
 187 /* dialog windows */
 188 double                  dialog_ratio = .6;
 189 /* status bar */
 190 #define SWM_BAR_MAX     (256)
 191 char                    *bar_argv[] = { NULL, NULL };
 192 int                     bar_pipe[2];
 193 char                    bar_ext[SWM_BAR_MAX];
 194 char                    bar_vertext[SWM_BAR_MAX];
 195 int                     bar_version = 0;
 196 sig_atomic_t            bar_alarm = 0;
 197 int                     bar_delay = 30;
 198 int                     bar_enabled = 1;
 199 int                     bar_extra = 1;
 200 int                     bar_extra_running = 0;
 201 int                     bar_verbose = 1;
 202 int                     bar_height = 0;
 203 int                     stack_enabled = 1;
 204 int                     clock_enabled = 1;
 205 char                    *clock_format = NULL;
 206 int                     title_name_enabled = 0;
 207 int                     title_class_enabled = 0;
 208 int                     focus_mode = SWM_FOCUS_DEFAULT;
 209 pid_t                   bar_pid;
 210 GC                      bar_gc;
 211 XGCValues               bar_gcv;
 212 int                     bar_fidx = 0;
 213 XFontStruct             *bar_fs;
 214 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 215 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 216
 217 #define SWM_MENU_FN     (2)
 218 #define SWM_MENU_NB     (4)
 219 #define SWM_MENU_NF     (6)
 220 #define SWM_MENU_SB     (8)
 221 #define SWM_MENU_SF     (10)
 222
 223 /* layout manager data */
 224 struct swm_geometry {
 225         int                     x;
 226         int                     y;
 227         int                     w;
 228         int                     h;
 229 };
 230
 231 struct swm_screen;
 232 struct workspace;
 233
 234 /* virtual "screens" */
 235 struct swm_region {
 236         TAILQ_ENTRY(swm_region) entry;
 237         struct swm_geometry     g;
 238         struct workspace        *ws;    /* current workspace on this region */
 239         struct workspace        *ws_prior; /* prior workspace on this region */
 240         struct swm_screen       *s;     /* screen idx */
 241         Window                  bar_window;
 242 };
 243 TAILQ_HEAD(swm_region_list, swm_region);
 244
 245 struct ws_win {
 246         TAILQ_ENTRY(ws_win)     entry;
 247         Window                  id;
 248         Window                  transient;
 249         struct ws_win           *child_trans;   /* transient child window */
 250         struct swm_geometry     g;              /* current geometry */
 251         struct swm_geometry     g_float;        /* geometry when floating */
 252         struct swm_geometry     rg_float;       /* region geom when floating */
 253         int                     g_floatvalid;   /* flag: geometry in g_float is valid */
 254         int                     floatmaxed;     /* flag: floater was maxed in max_stack */
 255         int                     floating;
 256         int                     manual;
 257         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 258         int                     font_steps;
 259         int                     last_inc;
 260         int                     can_delete;
 261         int                     take_focus;
 262         int                     java;
 263         unsigned long           quirks;
 264         struct workspace        *ws;    /* always valid */
 265         struct swm_screen       *s;     /* always valid, never changes */
 266         XWindowAttributes       wa;
 267         XSizeHints              sh;
 268         XClassHint              ch;
 269 };
 270 TAILQ_HEAD(ws_win_list, ws_win);
 271
 272 /* layout handlers */
 273 void    stack(void);
 274 void    vertical_config(struct workspace *, int);
 275 void    vertical_stack(struct workspace *, struct swm_geometry *);
 276 void    horizontal_config(struct workspace *, int);
 277 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 278 void    max_stack(struct workspace *, struct swm_geometry *);
 279
 280 struct ws_win *find_window(Window);
 281
 282 void    grabbuttons(struct ws_win *, int);
 283 void    new_region(struct swm_screen *, int, int, int, int);
 284 void    unmanage_window(struct ws_win *);
 285 long    getstate(Window);
 286
 287 struct layout {
 288         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 289         void            (*l_config)(struct workspace *, int);
 290         u_int32_t       flags;
 291 #define SWM_L_FOCUSPREV         (1<<0)
 292 #define SWM_L_MAPONFOCUS        (1<<1)
 293         char            *name;
 294 } layouts[] =  {
 295         /* stack,               configure */
 296         { vertical_stack,       vertical_config,        0,      "[|]" },
 297         { horizontal_stack,     horizontal_config,      0,      "[-]" },
 298         { max_stack,            NULL,
 299           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   "[ ]"},
 300         { NULL,                 NULL,                   0,      NULL },
 301 };
 302
 303 /* position of max_stack mode in the layouts array */
 304 #define SWM_MAX_STACK           2
 305
 306 #define SWM_H_SLICE             (32)
 307 #define SWM_V_SLICE             (32)
 308
 309 /* define work spaces */
 310 struct workspace {
 311         int                     idx;            /* workspace index */
 312         struct layout           *cur_layout;    /* current layout handlers */
 313         struct ws_win           *focus;         /* may be NULL */
 314         struct ws_win           *focus_prev;    /* may be NULL */
 315         struct swm_region       *r;             /* may be NULL */
 316         struct swm_region       *old_r;         /* may be NULL */
 317         struct ws_win_list      winlist;        /* list of windows in ws */
 318         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 319
 320         /* stacker state */
 321         struct {
 322                                 int horizontal_msize;
 323                                 int horizontal_mwin;
 324                                 int horizontal_stacks;
 325                                 int vertical_msize;
 326                                 int vertical_mwin;
 327                                 int vertical_stacks;
 328         } l_state;
 329 };
 330
 331 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 332           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 333
 334 /* physical screen mapping */
 335 #define SWM_WS_MAX              (10)
 336 struct swm_screen {
 337         int                     idx;    /* screen index */
 338         struct swm_region_list  rl;     /* list of regions on this screen */
 339         struct swm_region_list  orl;    /* list of old regions */
 340         Window                  root;
 341         struct workspace        ws[SWM_WS_MAX];
 342
 343         /* colors */
 344         struct {
 345                 unsigned long   color;
 346                 char            *name;
 347         } c[SWM_S_COLOR_MAX];
 348 };
 349 struct swm_screen       *screens;
 350 int                     num_screens;
 351
 352 /* args to functions */
 353 union arg {
 354         int                     id;
 355 #define SWM_ARG_ID_FOCUSNEXT    (0)
 356 #define SWM_ARG_ID_FOCUSPREV    (1)
 357 #define SWM_ARG_ID_FOCUSMAIN    (2)
 358 #define SWM_ARG_ID_FOCUSCUR     (4)
 359 #define SWM_ARG_ID_SWAPNEXT     (10)
 360 #define SWM_ARG_ID_SWAPPREV     (11)
 361 #define SWM_ARG_ID_SWAPMAIN     (12)
 362 #define SWM_ARG_ID_MOVELAST     (13)
 363 #define SWM_ARG_ID_MASTERSHRINK (20)
 364 #define SWM_ARG_ID_MASTERGROW   (21)
 365 #define SWM_ARG_ID_MASTERADD    (22)
 366 #define SWM_ARG_ID_MASTERDEL    (23)
 367 #define SWM_ARG_ID_STACKRESET   (30)
 368 #define SWM_ARG_ID_STACKINIT    (31)
 369 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 370 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 371 #define SWM_ARG_ID_CYCLESC_UP   (42)
 372 #define SWM_ARG_ID_CYCLESC_DOWN (43)
 373 #define SWM_ARG_ID_STACKINC     (50)
 374 #define SWM_ARG_ID_STACKDEC     (51)
 375 #define SWM_ARG_ID_SS_ALL       (60)
 376 #define SWM_ARG_ID_SS_WINDOW    (61)
 377 #define SWM_ARG_ID_DONTCENTER   (70)
 378 #define SWM_ARG_ID_CENTER       (71)
 379 #define SWM_ARG_ID_KILLWINDOW   (80)
 380 #define SWM_ARG_ID_DELETEWINDOW (81)
 381         char                    **argv;
 382 };
 383
 384 void    focus(struct swm_region *, union arg *);
 385 void    focus_magic(struct ws_win *, int);
 386 #define SWM_F_GENERIC           (0)
 387 #define SWM_F_TRANSIENT         (1)
 388 /* quirks */
 389 struct quirk {
 390         char                    *class;
 391         char                    *name;
 392         unsigned long           quirk;
 393 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 394 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 395 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 396 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 397 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 398 };
 399 int                             quirks_size = 0, quirks_length = 0;
 400 struct quirk                    *quirks = NULL;
 401
 402 /* events */
 403 #ifdef SWM_DEBUG
 404 void
 405 dumpevent(XEvent *e)
 406 {
 407         char                    *name = NULL;
 408
 409         switch (e->type) {
 410         case KeyPress:
 411                 name = "KeyPress";
 412                 break;
 413         case KeyRelease:
 414                 name = "KeyRelease";
 415                 break;
 416         case ButtonPress:
 417                 name = "ButtonPress";
 418                 break;
 419         case ButtonRelease:
 420                 name = "ButtonRelease";
 421                 break;
 422         case MotionNotify:
 423                 name = "MotionNotify";
 424                 break;
 425         case EnterNotify:
 426                 name = "EnterNotify";
 427                 break;
 428         case LeaveNotify:
 429                 name = "LeaveNotify";
 430                 break;
 431         case FocusIn:
 432                 name = "FocusIn";
 433                 break;
 434         case FocusOut:
 435                 name = "FocusOut";
 436                 break;
 437         case KeymapNotify:
 438                 name = "KeymapNotify";
 439                 break;
 440         case Expose:
 441                 name = "Expose";
 442                 break;
 443         case GraphicsExpose:
 444                 name = "GraphicsExpose";
 445                 break;
 446         case NoExpose:
 447                 name = "NoExpose";
 448                 break;
 449         case VisibilityNotify:
 450                 name = "VisibilityNotify";
 451                 break;
 452         case CreateNotify:
 453                 name = "CreateNotify";
 454                 break;
 455         case DestroyNotify:
 456                 name = "DestroyNotify";
 457                 break;
 458         case UnmapNotify:
 459                 name = "UnmapNotify";
 460                 break;
 461         case MapNotify:
 462                 name = "MapNotify";
 463                 break;
 464         case MapRequest:
 465                 name = "MapRequest";
 466                 break;
 467         case ReparentNotify:
 468                 name = "ReparentNotify";
 469                 break;
 470         case ConfigureNotify:
 471                 name = "ConfigureNotify";
 472                 break;
 473         case ConfigureRequest:
 474                 name = "ConfigureRequest";
 475                 break;
 476         case GravityNotify:
 477                 name = "GravityNotify";
 478                 break;
 479         case ResizeRequest:
 480                 name = "ResizeRequest";
 481                 break;
 482         case CirculateNotify:
 483                 name = "CirculateNotify";
 484                 break;
 485         case CirculateRequest:
 486                 name = "CirculateRequest";
 487                 break;
 488         case PropertyNotify:
 489                 name = "PropertyNotify";
 490                 break;
 491         case SelectionClear:
 492                 name = "SelectionClear";
 493                 break;
 494         case SelectionRequest:
 495                 name = "SelectionRequest";
 496                 break;
 497         case SelectionNotify:
 498                 name = "SelectionNotify";
 499                 break;
 500         case ColormapNotify:
 501                 name = "ColormapNotify";
 502                 break;
 503         case ClientMessage:
 504                 name = "ClientMessage";
 505                 break;
 506         case MappingNotify:
 507                 name = "MappingNotify";
 508                 break;
 509         }
 510
 511         if (name)
 512                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 513                     "remaining\n",
 514                     e->xany.window, name, e->type, QLength(display));
 515         else
 516                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 517                     "remaining\n",
 518                     e->xany.window, e->type, QLength(display));
 519 }
 520
 521 void
 522 dumpwins(struct swm_region *r, union arg *args)
 523 {
 524         struct ws_win           *win;
 525         unsigned int            state;
 526         XWindowAttributes       wa;
 527
 528         if (r->ws == NULL) {
 529                 fprintf(stderr, "invalid workspace\n");
 530                 return;
 531         }
 532
 533         fprintf(stderr, "=== managed window list ws %02d ===\n", r->ws->idx);
 534
 535         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
 536                 state = getstate(win->id);
 537                 if (!XGetWindowAttributes(display, win->id, &wa))
 538                         fprintf(stderr, "window: %lu failed "
 539                             "XGetWindowAttributes\n", win->id);
 540                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 541                     win->id, wa.map_state, state);
 542         }
 543
 544         fprintf(stderr, "===== unmanaged window list =====\n");
 545         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
 546                 state = getstate(win->id);
 547                 if (!XGetWindowAttributes(display, win->id, &wa))
 548                         fprintf(stderr, "window: %lu failed "
 549                             "XGetWindowAttributes\n", win->id);
 550                 fprintf(stderr, "window: %lu map_state: %d state: %d\n",
 551                     win->id, wa.map_state, state);
 552         }
 553
 554         fprintf(stderr, "=================================\n");
 555 }
 556 #else
 557 #define dumpevent(e)
 558 void
 559 dumpwins(struct swm_region *r, union arg *args)
 560 {
 561 }
 562 #endif /* SWM_DEBUG */
 563
 564 void                    expose(XEvent *);
 565 void                    keypress(XEvent *);
 566 void                    buttonpress(XEvent *);
 567 void                    configurerequest(XEvent *);
 568 void                    configurenotify(XEvent *);
 569 void                    destroynotify(XEvent *);
 570 void                    enternotify(XEvent *);
 571 void                    focusevent(XEvent *);
 572 void                    mapnotify(XEvent *);
 573 void                    mappingnotify(XEvent *);
 574 void                    maprequest(XEvent *);
 575 void                    propertynotify(XEvent *);
 576 void                    unmapnotify(XEvent *);
 577 void                    visibilitynotify(XEvent *);
 578
 579 void                    (*handler[LASTEvent])(XEvent *) = {
 580                                 [Expose] = expose,
 581                                 [KeyPress] = keypress,
 582                                 [ButtonPress] = buttonpress,
 583                                 [ConfigureRequest] = configurerequest,
 584                                 [ConfigureNotify] = configurenotify,
 585                                 [DestroyNotify] = destroynotify,
 586                                 [EnterNotify] = enternotify,
 587                                 [FocusIn] = focusevent,
 588                                 [FocusOut] = focusevent,
 589                                 [MapNotify] = mapnotify,
 590                                 [MappingNotify] = mappingnotify,
 591                                 [MapRequest] = maprequest,
 592                                 [PropertyNotify] = propertynotify,
 593                                 [UnmapNotify] = unmapnotify,
 594                                 [VisibilityNotify] = visibilitynotify,
 595 };
 596
 597 void
 598 sighdlr(int sig)
 599 {
 600         pid_t                   pid;
 601
 602         switch (sig) {
 603         case SIGCHLD:
 604                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 605                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 606                         if (pid <= 0)
 607                                 break;
 608                 }
 609                 break;
 610         case SIGINT:
 611         case SIGTERM:
 612         case SIGHUP:
 613         case SIGQUIT:
 614                 running = 0;
 615                 break;
 616         }
 617 }
 618
 619 void
 620 installsignal(int sig, char *name)
 621 {
 622         struct sigaction        sa;
 623
 624         sa.sa_handler = sighdlr;
 625         sigemptyset(&sa.sa_mask);
 626         sa.sa_flags = 0;
 627         if (sigaction(sig, &sa, NULL) == -1)
 628                 err(1, "could not install %s handler", name);
 629 }
 630
 631 unsigned long
 632 name_to_color(char *colorname)
 633 {
 634         Colormap                cmap;
 635         Status                  status;
 636         XColor                  screen_def, exact_def;
 637         unsigned long           result = 0;
 638         char                    cname[32] = "#";
 639
 640         cmap = DefaultColormap(display, screens[0].idx);
 641         status = XAllocNamedColor(display, cmap, colorname,
 642             &screen_def, &exact_def);
 643         if (!status) {
 644                 strlcat(cname, colorname + 2, sizeof cname - 1);
 645                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 646                     &exact_def);
 647         }
 648         if (status)
 649                 result = screen_def.pixel;
 650         else
 651                 fprintf(stderr, "color '%s' not found.\n", colorname);
 652
 653         return (result);
 654 }
 655
 656 void
 657 setscreencolor(char *val, int i, int c)
 658 {
 659         if (i > 0 && i <= ScreenCount(display)) {
 660                 screens[i - 1].c[c].color = name_to_color(val);
 661                 free(screens[i - 1].c[c].name);
 662                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 663                         errx(1, "strdup");
 664         } else if (i == -1) {
 665                 for (i = 0; i < ScreenCount(display); i++) {
 666                         screens[i].c[c].color = name_to_color(val);
 667                         free(screens[i].c[c].name);
 668                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 669                                 errx(1, "strdup");
 670                 }
 671         } else
 672                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 673                     i, ScreenCount(display));
 674 }
 675
 676 void
 677 custom_region(char *val)
 678 {
 679         unsigned int                    sidx, x, y, w, h;
 680
 681         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 682                 errx(1, "invalid custom region, "
 683                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 684         if (sidx < 1 || sidx > ScreenCount(display))
 685                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 686                     sidx, ScreenCount(display));
 687         sidx--;
 688
 689         if (w < 1 || h < 1)
 690                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 691
 692         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 693             y < 0 || y > DisplayHeight(display, sidx) ||
 694             w + x > DisplayWidth(display, sidx) ||
 695             h + y > DisplayHeight(display, sidx))
 696                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 697                     "(%ux%u)\n", w, h, x, y,
 698                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 699
 700         new_region(&screens[sidx], x, y, w, h);
 701 }
 702
 703 void
 704 socket_setnonblock(int fd)
 705 {
 706         int                     flags;
 707
 708         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 709                 err(1, "fcntl F_GETFL");
 710         flags |= O_NONBLOCK;
 711         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 712                 err(1, "fcntl F_SETFL");
 713 }
 714
 715 void
 716 bar_print(struct swm_region *r, char *s)
 717 {
 718         XClearWindow(display, r->bar_window);
 719         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 720         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 721             strlen(s));
 722 }
 723
 724 void
 725 bar_extra_stop(void)
 726 {
 727         if (bar_pipe[0]) {
 728                 close(bar_pipe[0]);
 729                 bzero(bar_pipe, sizeof bar_pipe);
 730         }
 731         if (bar_pid) {
 732                 kill(bar_pid, SIGTERM);
 733                 bar_pid = 0;
 734         }
 735         strlcpy(bar_ext, "", sizeof bar_ext);
 736         bar_extra = 0;
 737 }
 738
 739 void
 740 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 741 {
 742         int                     do_class, do_name;
 743         Status                  status;
 744         XClassHint              *xch = NULL;
 745
 746         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 747             cur_focus != NULL) {
 748                 if ((xch = XAllocClassHint()) == NULL)
 749                         goto out;
 750                 status = XGetClassHint(display, cur_focus->id, xch);
 751                 if (status == BadWindow || status == BadAlloc)
 752                         goto out;
 753                 do_class = (title_class_enabled && xch->res_class != NULL);
 754                 do_name = (title_name_enabled && xch->res_name != NULL);
 755                 if (do_class)
 756                         strlcat(s, xch->res_class, sz);
 757                 if (do_class && do_name)
 758                         strlcat(s, ":", sz);
 759                 if (do_name)
 760                         strlcat(s, xch->res_name, sz);
 761                 strlcat(s, "    ", sz);
 762         }
 763 out:
 764         if (xch)
 765                 XFree(xch);
 766 }
 767
 768 void
 769 bar_update(void)
 770 {
 771         time_t                  tmt;
 772         struct tm               tm;
 773         struct swm_region       *r;
 774         int                     i, x;
 775         size_t                  len;
 776         char                    s[SWM_BAR_MAX];
 777         char                    cn[SWM_BAR_MAX];
 778         char                    loc[SWM_BAR_MAX];
 779         char                    *b;
 780         char                    *stack = "";
 781
 782         if (bar_enabled == 0)
 783                 return;
 784         if (bar_extra && bar_extra_running) {
 785                 /* ignore short reads; it'll correct itself */
 786                 while ((b = fgetln(stdin, &len)) != NULL)
 787                         if (b && b[len - 1] == '\n') {
 788                                 b[len - 1] = '\0';
 789                                 strlcpy(bar_ext, b, sizeof bar_ext);
 790                         }
 791                 if (b == NULL && errno != EAGAIN) {
 792                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 793                             errno, strerror(errno));
 794                         bar_extra_stop();
 795                 }
 796         } else
 797                 strlcpy(bar_ext, "", sizeof bar_ext);
 798
 799         if (clock_enabled == 0)
 800                 strlcpy(s, "", sizeof s);
 801         else {
 802                 time(&tmt);
 803                 localtime_r(&tmt, &tm);
 804                 strftime(s, sizeof s, clock_format, &tm);
 805                 strlcat(s, "    ", sizeof s);
 806         }
 807
 808         for (i = 0; i < ScreenCount(display); i++) {
 809                 x = 1;
 810                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 811                         strlcpy(cn, "", sizeof cn);
 812                         if (r && r->ws)
 813                                 bar_class_name(cn, sizeof cn, r->ws->focus);
 814
 815                         if (stack_enabled)
 816                                 stack = r->ws->cur_layout->name;
 817
 818                         snprintf(loc, sizeof loc, "%d:%d %s   %s%s    %s    %s",
 819                             x++, r->ws->idx + 1, stack, s, cn, bar_ext,
 820                             bar_vertext);
 821                         bar_print(r, loc);
 822                 }
 823         }
 824         alarm(bar_delay);
 825 }
 826
 827 void
 828 bar_signal(int sig)
 829 {
 830         bar_alarm = 1;
 831 }
 832
 833 void
 834 bar_toggle(struct swm_region *r, union arg *args)
 835 {
 836         struct swm_region       *tmpr;
 837         int                     i, sc = ScreenCount(display);
 838
 839         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 840
 841         if (bar_enabled)
 842                 for (i = 0; i < sc; i++)
 843                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 844                                 XUnmapWindow(display, tmpr->bar_window);
 845         else
 846                 for (i = 0; i < sc; i++)
 847                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 848                                 XMapRaised(display, tmpr->bar_window);
 849
 850         bar_enabled = !bar_enabled;
 851
 852         stack();
 853         /* must be after stack */
 854         bar_update();
 855 }
 856
 857 void
 858 bar_refresh(void)
 859 {
 860         XSetWindowAttributes    wa;
 861         struct swm_region       *r;
 862         int                     i;
 863
 864         /* do this here because the conf file is in memory */
 865         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 866                 /* launch external status app */
 867                 bar_extra_running = 1;
 868                 if (pipe(bar_pipe) == -1)
 869                         err(1, "pipe error");
 870                 socket_setnonblock(bar_pipe[0]);
 871                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 872                 if (dup2(bar_pipe[0], 0) == -1)
 873                         errx(1, "dup2");
 874                 if (dup2(bar_pipe[1], 1) == -1)
 875                         errx(1, "dup2");
 876                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 877                         err(1, "could not disable SIGPIPE");
 878                 switch (bar_pid = fork()) {
 879                 case -1:
 880                         err(1, "cannot fork");
 881                         break;
 882                 case 0: /* child */
 883                         close(bar_pipe[0]);
 884                         execvp(bar_argv[0], bar_argv);
 885                         err(1, "%s external app failed", bar_argv[0]);
 886                         break;
 887                 default: /* parent */
 888                         close(bar_pipe[1]);
 889                         break;
 890                 }
 891         }
 892
 893         bzero(&wa, sizeof wa);
 894         for (i = 0; i < ScreenCount(display); i++)
 895                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 896                         wa.border_pixel =
 897                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 898                         wa.background_pixel =
 899                             screens[i].c[SWM_S_COLOR_BAR].color;
 900                         XChangeWindowAttributes(display, r->bar_window,
 901                             CWBackPixel | CWBorderPixel, &wa);
 902                 }
 903         bar_update();
 904 }
 905
 906 void
 907 bar_setup(struct swm_region *r)
 908 {
 909         int                     i;
 910
 911         for (i = 0; bar_fonts[i] != NULL; i++) {
 912                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 913                 if (bar_fs) {
 914                         bar_fidx = i;
 915                         break;
 916                 }
 917         }
 918         if (bar_fonts[i] == NULL)
 919                         errx(1, "couldn't load font");
 920         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 921
 922         r->bar_window = XCreateSimpleWindow(display,
 923             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 924             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 925             r->s->c[SWM_S_COLOR_BAR].color);
 926         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 927         XSetFont(display, bar_gc, bar_fs->fid);
 928         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 929         if (bar_enabled)
 930                 XMapRaised(display, r->bar_window);
 931         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 932
 933         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 934                 err(1, "could not install bar_signal");
 935         bar_refresh();
 936 }
 937
 938 void
 939 set_win_state(struct ws_win *win, long state)
 940 {
 941         long                    data[] = {state, None};
 942
 943         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 944
 945         if (win == NULL)
 946                 return;
 947
 948         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 949             (unsigned char *)data, 2);
 950 }
 951
 952 long
 953 getstate(Window w)
 954 {
 955         int                     format, status;
 956         long                    result = -1;
 957         unsigned char           *p = NULL;
 958         unsigned long           n, extra;
 959         Atom                    real;
 960
 961         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 962             &real, &format, &n, &extra, (unsigned char **)&p);
 963         if (status != Success)
 964                 return (-1);
 965         if (n != 0)
 966                 result = *((long *)p);
 967         XFree(p);
 968         return (result);
 969 }
 970
 971 void
 972 version(struct swm_region *r, union arg *args)
 973 {
 974         bar_version = !bar_version;
 975         if (bar_version)
 976                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
 977                     SWM_VERSION, cvstag);
 978         else
 979                 strlcpy(bar_vertext, "", sizeof bar_vertext);
 980         bar_update();
 981 }
 982
 983 void
 984 client_msg(struct ws_win *win, Atom a)
 985 {
 986         XClientMessageEvent     cm;
 987
 988         if (win == NULL)
 989                 return;
 990
 991         bzero(&cm, sizeof cm);
 992         cm.type = ClientMessage;
 993         cm.window = win->id;
 994         cm.message_type = aprot;
 995         cm.format = 32;
 996         cm.data.l[0] = a;
 997         cm.data.l[1] = CurrentTime;
 998         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
 999 }
1000
1001 void
1002 configreq_win(struct ws_win *win)
1003 {
1004         XConfigureRequestEvent  cr;
1005
1006         if (win == NULL)
1007                 return;
1008
1009         bzero(&cr, sizeof cr);
1010         cr.type = ConfigureRequest;
1011         cr.display = display;
1012         cr.parent = win->id;
1013         cr.window = win->id;
1014         cr.x = win->g.x;
1015         cr.y = win->g.y;
1016         cr.width = win->g.w;
1017         cr.height = win->g.h;
1018         cr.border_width = 1;
1019
1020         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&cr);
1021 }
1022
1023 void
1024 config_win(struct ws_win *win)
1025 {
1026         XConfigureEvent         ce;
1027
1028         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
1029             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
1030
1031         if (win == NULL)
1032                 return;
1033
1034         ce.type = ConfigureNotify;
1035         ce.display = display;
1036         ce.event = win->id;
1037         ce.window = win->id;
1038         ce.x = win->g.x;
1039         ce.y = win->g.y;
1040         ce.width = win->g.w;
1041         ce.height = win->g.h;
1042         ce.border_width = 1; /* XXX store this! */
1043         ce.above = None;
1044         ce.override_redirect = False;
1045         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
1046 }
1047
1048 int
1049 count_win(struct workspace *ws, int count_transient)
1050 {
1051         struct ws_win           *win;
1052         int                     count = 0;
1053
1054         TAILQ_FOREACH(win, &ws->winlist, entry) {
1055                 if (count_transient == 0 && win->floating)
1056                         continue;
1057                 if (count_transient == 0 && win->transient)
1058                         continue;
1059                 count++;
1060         }
1061         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1062
1063         return (count);
1064 }
1065
1066 void
1067 quit(struct swm_region *r, union arg *args)
1068 {
1069         DNPRINTF(SWM_D_MISC, "quit\n");
1070         running = 0;
1071 }
1072
1073 void
1074 unmap_window(struct ws_win *win)
1075 {
1076         if (win == NULL)
1077                 return;
1078
1079         /* don't unmap again */
1080         if (getstate(win->id) == IconicState)
1081                 return;
1082
1083         set_win_state(win, IconicState);
1084
1085         XUnmapWindow(display, win->id);
1086         if (win->ws->r)
1087                 XSetWindowBorder(display, win->id,
1088                     win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1089 }
1090
1091 void
1092 unmap_all(void)
1093 {
1094         struct ws_win           *win;
1095         int                     i, j;
1096
1097         for (i = 0; i < ScreenCount(display); i++)
1098                 for (j = 0; j < SWM_WS_MAX; j++)
1099                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1100                                 unmap_window(win);
1101 }
1102
1103 void
1104 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1105 {
1106         XKeyEvent event;
1107
1108         if (win == NULL)
1109                 return;
1110
1111         event.display = display;        /* Ignored, but what the hell */
1112         event.window = win->id;
1113         event.root = win->s->root;
1114         event.subwindow = None;
1115         event.time = CurrentTime;
1116         event.x = win->g.x;
1117         event.y = win->g.y;
1118         event.x_root = 1;
1119         event.y_root = 1;
1120         event.same_screen = True;
1121         event.keycode = XKeysymToKeycode(display, keysym);
1122         event.state = modifiers;
1123
1124         event.type = KeyPress;
1125         XSendEvent(event.display, event.window, True,
1126             KeyPressMask, (XEvent *)&event);
1127
1128         event.type = KeyRelease;
1129         XSendEvent(event.display, event.window, True,
1130             KeyPressMask, (XEvent *)&event);
1131
1132 }
1133
1134 void
1135 restart(struct swm_region *r, union arg *args)
1136 {
1137         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1138
1139         /* disable alarm because the following code may not be interrupted */
1140         alarm(0);
1141         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1142                 errx(1, "can't disable alarm");
1143
1144         bar_extra_stop();
1145         bar_extra = 1;
1146         unmap_all();
1147         XCloseDisplay(display);
1148         execvp(start_argv[0], start_argv);
1149         fprintf(stderr, "execvp failed\n");
1150         perror(" failed");
1151         quit(NULL, NULL);
1152 }
1153
1154 struct swm_region *
1155 root_to_region(Window root)
1156 {
1157         struct swm_region       *r = NULL;
1158         Window                  rr, cr;
1159         int                     i, x, y, wx, wy;
1160         unsigned int            mask;
1161
1162         for (i = 0; i < ScreenCount(display); i++)
1163                 if (screens[i].root == root)
1164                         break;
1165
1166         if (XQueryPointer(display, screens[i].root,
1167             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1168                 /* choose a region based on pointer location */
1169                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1170                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1171                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1172                                 break;
1173         }
1174
1175         if (r == NULL)
1176                 r = TAILQ_FIRST(&screens[i].rl);
1177
1178         return (r);
1179 }
1180
1181 struct ws_win *
1182 find_unmanaged_window(Window id)
1183 {
1184         struct ws_win           *win;
1185         int                     i, j;
1186
1187         for (i = 0; i < ScreenCount(display); i++)
1188                 for (j = 0; j < SWM_WS_MAX; j++)
1189                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
1190                             entry)
1191                                 if (id == win->id)
1192                                         return (win);
1193         return (NULL);
1194 }
1195
1196 struct ws_win *
1197 find_window(Window id)
1198 {
1199         struct ws_win           *win;
1200         Window                  wrr, wpr, *wcr = NULL;
1201         int                     i, j, nc;
1202
1203         for (i = 0; i < ScreenCount(display); i++)
1204                 for (j = 0; j < SWM_WS_MAX; j++)
1205                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1206                                 if (id == win->id)
1207                                         return (win);
1208
1209         /* if we were looking for the parent return that window instead */
1210         if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
1211                 return (NULL);
1212         if (wcr)
1213                 XFree(wcr);
1214
1215         /* ignore not found and root */
1216         if (wpr == 0 || wrr == wpr)
1217                 return (NULL);
1218
1219         /* look for parent */
1220         for (i = 0; i < ScreenCount(display); i++)
1221                 for (j = 0; j < SWM_WS_MAX; j++)
1222                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1223                                 if (wpr == win->id)
1224                                         return (win);
1225
1226         return (NULL);
1227 }
1228
1229 void
1230 spawn(struct swm_region *r, union arg *args)
1231 {
1232         char                    *ret;
1233         int                     si;
1234
1235         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1236         /*
1237          * The double-fork construct avoids zombie processes and keeps the code
1238          * clean from stupid signal handlers.
1239          */
1240         if (fork() == 0) {
1241                 if (fork() == 0) {
1242                         if (display)
1243                                 close(ConnectionNumber(display));
1244                         setenv("LD_PRELOAD", SWM_LIB, 1);
1245                         if (asprintf(&ret, "%d", r->ws->idx)) {
1246                                 setenv("_SWM_WS", ret, 1);
1247                                 free(ret);
1248                         }
1249                         if (asprintf(&ret, "%d", getpid())) {
1250                                 setenv("_SWM_PID", ret, 1);
1251                                 free(ret);
1252                         }
1253                         setsid();
1254                         /* kill stdin, mplayer, ssh-add etc. need that */
1255                         si = open("/dev/null", O_RDONLY, 0);
1256                         if (si == -1)
1257                                 err(1, "open /dev/null");
1258                         if (dup2(si, 0) == -1)
1259                                 err(1, "dup2 /dev/null");
1260                         execvp(args->argv[0], args->argv);
1261                         fprintf(stderr, "execvp failed\n");
1262                         perror(" failed");
1263                 }
1264                 exit(0);
1265         }
1266 }
1267
1268 void
1269 spawnterm(struct swm_region *r, union arg *args)
1270 {
1271         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1272
1273         if (term_width)
1274                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1275         spawn(r, args);
1276 }
1277
1278 void
1279 kill_refs(struct ws_win *win)
1280 {
1281         int                     i, x;
1282         struct swm_region       *r;
1283         struct workspace        *ws;
1284
1285         if (win == NULL)
1286                 return;
1287
1288         for (i = 0; i < ScreenCount(display); i++)
1289                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1290                         for (x = 0; x < SWM_WS_MAX; x++) {
1291                                 ws = &r->s->ws[x];
1292                                 if (win == ws->focus)
1293                                         ws->focus = NULL;
1294                                 if (win == ws->focus_prev)
1295                                         ws->focus_prev = NULL;
1296                         }
1297 }
1298
1299 int
1300 validate_win(struct ws_win *testwin)
1301 {
1302         struct ws_win           *win;
1303         struct workspace        *ws;
1304         struct swm_region       *r;
1305         int                     i, x, foundit = 0;
1306
1307         if (testwin == NULL)
1308                 return(0);
1309
1310         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1311                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1312                         for (x = 0; x < SWM_WS_MAX; x++) {
1313                                 ws = &r->s->ws[x];
1314                                 TAILQ_FOREACH(win, &ws->winlist, entry)
1315                                         if (win == testwin)
1316                                                 return (0);
1317                         }
1318         return (1);
1319 }
1320
1321 int
1322 validate_ws(struct workspace *testws)
1323 {
1324         struct swm_region       *r;
1325         struct workspace        *ws;
1326         int                     foundit, i, x;
1327
1328         /* validate all ws */
1329         for (i = 0, foundit = 0; i < ScreenCount(display); i++)
1330                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1331                         for (x = 0; x < SWM_WS_MAX; x++) {
1332                                 ws = &r->s->ws[x];
1333                                 if (ws == testws)
1334                                         return (0);
1335                         }
1336         return (1);
1337 }
1338
1339 void
1340 unfocus_win(struct ws_win *win)
1341 {
1342         XEvent                  cne;
1343
1344         DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
1345
1346         if (win == NULL)
1347                 return;
1348         if (win->ws == NULL)
1349                 return;
1350
1351         if (validate_ws(win->ws))
1352                 abort();
1353
1354         if (win->ws->r == NULL)
1355                 return;
1356
1357         if (validate_win(win)) {
1358                 kill_refs(win);
1359                 return;
1360         }
1361
1362         if (win->ws->focus == win) {
1363                 win->ws->focus = NULL;
1364                 win->ws->focus_prev = win;
1365         }
1366
1367         if (validate_win(win->ws->focus)) {
1368                 kill_refs(win->ws->focus);
1369                 win->ws->focus = NULL;
1370         }
1371         if (validate_win(win->ws->focus_prev)) {
1372                 kill_refs(win->ws->focus_prev);
1373                 win->ws->focus_prev = NULL;
1374         }
1375
1376         /* drain all previous unfocus events */
1377         while (XCheckTypedEvent(display, FocusOut, &cne) == True)
1378                 ;
1379
1380         grabbuttons(win, 0);
1381         XSetWindowBorder(display, win->id,
1382             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1383
1384 }
1385
1386 void
1387 unfocus_all(void)
1388 {
1389         struct ws_win           *win;
1390         int                     i, j;
1391
1392         DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
1393
1394         for (i = 0; i < ScreenCount(display); i++)
1395                 for (j = 0; j < SWM_WS_MAX; j++)
1396                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1397                                 unfocus_win(win);
1398 }
1399
1400 void
1401 focus_win(struct ws_win *win)
1402 {
1403         XEvent                  cne;
1404         Window                  cur_focus;
1405         int                     rr;
1406         struct ws_win           *cfw = NULL;
1407
1408
1409         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1410
1411         if (win == NULL)
1412                 return;
1413         if (win->ws == NULL)
1414                 return;
1415
1416         if (validate_ws(win->ws))
1417                 abort();
1418         if (validate_win(win)) {
1419                 kill_refs(win);
1420                 return;
1421         }
1422
1423         if (validate_win(win)) {
1424                 kill_refs(win);
1425                 return;
1426         }
1427
1428         XGetInputFocus(display, &cur_focus, &rr);
1429         if ((cfw = find_window(cur_focus)) != NULL)
1430                 unfocus_win(cfw);
1431
1432         win->ws->focus = win;
1433
1434         if (win->ws->r != NULL) {
1435                 /* drain all previous focus events */
1436                 while (XCheckTypedEvent(display, FocusIn, &cne) == True)
1437                         ;
1438
1439                 if (win->java == 0)
1440                         XSetInputFocus(display, win->id,
1441                             RevertToParent, CurrentTime);
1442                 grabbuttons(win, 1);
1443                 XSetWindowBorder(display, win->id,
1444                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1445                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1446                         XMapRaised(display, win->id);
1447         }
1448 }
1449
1450 void
1451 switchws(struct swm_region *r, union arg *args)
1452 {
1453         int                     wsid = args->id, unmap_old = 0;
1454         struct swm_region       *this_r, *other_r;
1455         struct ws_win           *win;
1456         struct workspace        *new_ws, *old_ws;
1457         union arg               a;
1458
1459         if (!(r && r->s))
1460                 return;
1461
1462         this_r = r;
1463         old_ws = this_r->ws;
1464         new_ws = &this_r->s->ws[wsid];
1465
1466         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1467             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1468             old_ws->idx, wsid);
1469
1470         if (new_ws == NULL || old_ws == NULL)
1471                 return;
1472         if (new_ws == old_ws)
1473                 return;
1474
1475         other_r = new_ws->r;
1476         if (other_r == NULL) {
1477                 /* the other workspace is hidden, hide this one */
1478                 old_ws->r = NULL;
1479                 unmap_old = 1;
1480         } else {
1481                 /* the other ws is visible in another region, exchange them */
1482                 other_r->ws_prior = new_ws;
1483                 other_r->ws = old_ws;
1484                 old_ws->r = other_r;
1485         }
1486         this_r->ws_prior = old_ws;
1487         this_r->ws = new_ws;
1488         new_ws->r = this_r;
1489
1490         stack();
1491         a.id = SWM_ARG_ID_FOCUSCUR;
1492         focus(new_ws->r, &a);
1493         bar_update();
1494
1495         /* unmap old windows */
1496         if (unmap_old)
1497                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1498                         unmap_window(win);
1499 }
1500
1501 void
1502 cyclews(struct swm_region *r, union arg *args)
1503 {
1504         union                   arg a;
1505         struct swm_screen       *s = r->s;
1506
1507         DNPRINTF(SWM_D_WS, "cyclews id %d "
1508             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1509             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1510
1511         a.id = r->ws->idx;
1512         do {
1513                 switch (args->id) {
1514                 case SWM_ARG_ID_CYCLEWS_UP:
1515                         if (a.id < SWM_WS_MAX - 1)
1516                                 a.id++;
1517                         else
1518                                 a.id = 0;
1519                         break;
1520                 case SWM_ARG_ID_CYCLEWS_DOWN:
1521                         if (a.id > 0)
1522                                 a.id--;
1523                         else
1524                                 a.id = SWM_WS_MAX - 1;
1525                         break;
1526                 default:
1527                         return;
1528                 };
1529
1530                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1531                         continue;
1532                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1533                         continue;
1534
1535                 switchws(r, &a);
1536         } while (a.id != r->ws->idx);
1537 }
1538
1539 void
1540 priorws(struct swm_region *r, union arg *args)
1541 {
1542         union arg               a;
1543
1544         DNPRINTF(SWM_D_WS, "priorws id %d "
1545             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1546             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1547
1548         if (r->ws_prior == NULL)
1549                 return;
1550
1551         a.id = r->ws_prior->idx;
1552         switchws(r, &a);
1553 }
1554
1555 void
1556 cyclescr(struct swm_region *r, union arg *args)
1557 {
1558         struct swm_region       *rr = NULL;
1559         union arg               a;
1560         int                     i, x, y;
1561
1562         /* do nothing if we don't have more than one screen */
1563         if (!(ScreenCount(display) > 1 || outputs > 1))
1564                 return;
1565
1566         i = r->s->idx;
1567         switch (args->id) {
1568         case SWM_ARG_ID_CYCLESC_UP:
1569                 rr = TAILQ_NEXT(r, entry);
1570                 if (rr == NULL)
1571                         rr = TAILQ_FIRST(&screens[i].rl);
1572                 break;
1573         case SWM_ARG_ID_CYCLESC_DOWN:
1574                 rr = TAILQ_PREV(r, swm_region_list, entry);
1575                 if (rr == NULL)
1576                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1577                 break;
1578         default:
1579                 return;
1580         };
1581         if (rr == NULL)
1582                 return;
1583
1584         /* move mouse to region */
1585         x = rr->g.x + 1;
1586         y = rr->g.y + 1 + bar_enabled ? bar_height : 0;
1587         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1588
1589         a.id = SWM_ARG_ID_FOCUSCUR;
1590         focus(rr, &a);
1591
1592         if (rr->ws->focus) {
1593                 /* move to focus window */
1594                 x = rr->ws->focus->g.x + 1;
1595                 y = rr->ws->focus->g.y + 1;
1596                 XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, x, y);
1597         }
1598 }
1599
1600 void
1601 swapwin(struct swm_region *r, union arg *args)
1602 {
1603         struct ws_win           *target, *source;
1604         struct ws_win           *cur_focus;
1605         struct ws_win_list      *wl;
1606
1607
1608         DNPRINTF(SWM_D_WS, "swapwin id %d "
1609             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1610             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1611
1612         cur_focus = r->ws->focus;
1613         if (cur_focus == NULL)
1614                 return;
1615
1616         source = cur_focus;
1617         wl = &source->ws->winlist;
1618
1619         switch (args->id) {
1620         case SWM_ARG_ID_SWAPPREV:
1621                 target = TAILQ_PREV(source, ws_win_list, entry);
1622                 TAILQ_REMOVE(wl, cur_focus, entry);
1623                 if (target == NULL)
1624                         TAILQ_INSERT_TAIL(wl, source, entry);
1625                 else
1626                         TAILQ_INSERT_BEFORE(target, source, entry);
1627                 break;
1628         case SWM_ARG_ID_SWAPNEXT:
1629                 target = TAILQ_NEXT(source, entry);
1630                 TAILQ_REMOVE(wl, source, entry);
1631                 if (target == NULL)
1632                         TAILQ_INSERT_HEAD(wl, source, entry);
1633                 else
1634                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1635                 break;
1636         case SWM_ARG_ID_SWAPMAIN:
1637                 target = TAILQ_FIRST(wl);
1638                 if (target == source) {
1639                         if (source->ws->focus_prev != NULL &&
1640                             source->ws->focus_prev != target)
1641
1642                                 source = source->ws->focus_prev;
1643                         else
1644                                 return;
1645                 }
1646                 if (target == NULL || source == NULL)
1647                         return;
1648                 source->ws->focus_prev = target;
1649                 TAILQ_REMOVE(wl, target, entry);
1650                 TAILQ_INSERT_BEFORE(source, target, entry);
1651                 TAILQ_REMOVE(wl, source, entry);
1652                 TAILQ_INSERT_HEAD(wl, source, entry);
1653                 break;
1654         case SWM_ARG_ID_MOVELAST:
1655                 TAILQ_REMOVE(wl, source, entry);
1656                 TAILQ_INSERT_TAIL(wl, source, entry);
1657                 break;
1658         default:
1659                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1660                 return;
1661         }
1662
1663         stack();
1664 }
1665
1666 void
1667 focus_prev(struct ws_win *win)
1668 {
1669         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1670         struct ws_win           *cur_focus = NULL;
1671         struct ws_win_list      *wl = NULL;
1672         struct workspace        *ws = NULL;
1673
1674         DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
1675
1676         if (!(win && win->ws))
1677                 return;
1678
1679         ws = win->ws;
1680         wl = &ws->winlist;
1681         cur_focus = ws->focus;
1682         winlostfocus = cur_focus;
1683
1684         /* pickle, just focus on whatever */
1685         if (cur_focus == NULL) {
1686                 /* use prev_focus if valid */
1687                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
1688                     find_window(WINID(ws->focus_prev)))
1689                         winfocus = ws->focus_prev;
1690                 if (winfocus == NULL)
1691                         winfocus = TAILQ_FIRST(wl);
1692                 goto done;
1693         }
1694
1695         /* if transient focus on parent */
1696         if (cur_focus->transient) {
1697                 winfocus = find_window(cur_focus->transient);
1698                 goto done;
1699         }
1700
1701         /* if in max_stack try harder */
1702         if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
1703                 if (cur_focus != ws->focus_prev)
1704                         winfocus = ws->focus_prev;
1705                 else if (cur_focus != ws->focus)
1706                         winfocus = ws->focus;
1707                 else
1708                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
1709                 if (winfocus)
1710                         goto done;
1711         }
1712
1713         if (cur_focus == win)
1714                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
1715         if (winfocus == NULL)
1716                 winfocus = TAILQ_LAST(wl, ws_win_list);
1717         if (winfocus == NULL || winfocus == win)
1718                 winfocus = TAILQ_NEXT(cur_focus, entry);
1719 done:
1720         if (winfocus == winlostfocus || winfocus == NULL)
1721                 return;
1722
1723         focus_magic(winfocus, SWM_F_GENERIC);
1724 }
1725
1726 void
1727 focus(struct swm_region *r, union arg *args)
1728 {
1729         struct ws_win           *winfocus = NULL, *winlostfocus = NULL;
1730         struct ws_win           *cur_focus = NULL;
1731         struct ws_win_list      *wl = NULL;
1732         struct workspace        *ws = NULL;
1733
1734         if (!(r && r->ws))
1735                 return;
1736
1737         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1738
1739         /* treat FOCUS_CUR special */
1740         if (args->id == SWM_ARG_ID_FOCUSCUR) {
1741                 if (r->ws->focus)
1742                         winfocus = r->ws->focus;
1743                 else if (r->ws->focus_prev)
1744                         winfocus = r->ws->focus_prev;
1745                 else
1746                         winfocus = TAILQ_FIRST(&r->ws->winlist);
1747
1748                 focus_magic(winfocus, SWM_F_GENERIC);
1749                 return;
1750         }
1751
1752         if ((cur_focus = r->ws->focus) == NULL)
1753                 return;
1754         ws = r->ws;
1755         wl = &ws->winlist;
1756
1757         winlostfocus = cur_focus;
1758
1759         switch (args->id) {
1760         case SWM_ARG_ID_FOCUSPREV:
1761                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1762                 if (winfocus == NULL)
1763                         winfocus = TAILQ_LAST(wl, ws_win_list);
1764                 break;
1765
1766         case SWM_ARG_ID_FOCUSNEXT:
1767                 winfocus = TAILQ_NEXT(cur_focus, entry);
1768                 if (winfocus == NULL)
1769                         winfocus = TAILQ_FIRST(wl);
1770                 break;
1771
1772         case SWM_ARG_ID_FOCUSMAIN:
1773                 winfocus = TAILQ_FIRST(wl);
1774                 if (winfocus == cur_focus)
1775                         winfocus = cur_focus->ws->focus_prev;
1776                 break;
1777
1778         default:
1779                 return;
1780         }
1781
1782         if (winfocus == winlostfocus || winfocus == NULL)
1783                 return;
1784
1785         focus_magic(winfocus, SWM_F_GENERIC);
1786 }
1787
1788 void
1789 cycle_layout(struct swm_region *r, union arg *args)
1790 {
1791         struct workspace        *ws = r->ws;
1792         struct ws_win           *winfocus;
1793         union arg               a;
1794
1795         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1796
1797         winfocus = ws->focus;
1798
1799         ws->cur_layout++;
1800         if (ws->cur_layout->l_stack == NULL)
1801                 ws->cur_layout = &layouts[0];
1802
1803         stack();
1804         a.id = SWM_ARG_ID_FOCUSCUR;
1805         focus(r, &a);
1806         bar_update();
1807 }
1808
1809 void
1810 stack_config(struct swm_region *r, union arg *args)
1811 {
1812         struct workspace        *ws = r->ws;
1813
1814         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1815             args->id, ws->idx);
1816
1817         if (ws->cur_layout->l_config != NULL)
1818                 ws->cur_layout->l_config(ws, args->id);
1819
1820         if (args->id != SWM_ARG_ID_STACKINIT);
1821                 stack();
1822 }
1823
1824 void
1825 stack(void) {
1826         struct swm_geometry     g;
1827         struct swm_region       *r;
1828         int                     i, j;
1829
1830         DNPRINTF(SWM_D_STACK, "stack\n");
1831
1832         for (i = 0; i < ScreenCount(display); i++) {
1833                 j = 0;
1834                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1835                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1836                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1837
1838                         /* start with screen geometry, adjust for bar */
1839                         g = r->g;
1840                         g.w -= 2;
1841                         g.h -= 2;
1842                         if (bar_enabled) {
1843                                 g.y += bar_height;
1844                                 g.h -= bar_height;
1845                         }
1846                         r->ws->cur_layout->l_stack(r->ws, &g);
1847                         /* save r so we can track region changes */
1848                         r->ws->old_r = r;
1849                 }
1850         }
1851         if (font_adjusted)
1852                 font_adjusted--;
1853 }
1854
1855 void
1856 store_float_geom(struct ws_win *win, struct swm_region *r)
1857 {
1858         /* retain window geom and region geom */
1859         win->g_float.x = win->g.x;
1860         win->g_float.y = win->g.y;
1861         win->g_float.w = win->g.w;
1862         win->g_float.h = win->g.h;
1863         win->rg_float.x = r->g.x;
1864         win->rg_float.y = r->g.y;
1865         win->rg_float.w = r->g.w;
1866         win->rg_float.h = r->g.h;
1867         win->g_floatvalid = 1;
1868 }
1869
1870 void
1871 stack_floater(struct ws_win *win, struct swm_region *r)
1872 {
1873         unsigned int            mask;
1874         XWindowChanges          wc;
1875
1876         if (win == NULL)
1877                 return;
1878
1879         bzero(&wc, sizeof wc);
1880         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1881
1882         /*
1883          * to allow windows to change their size (e.g. mplayer fs) only retrieve
1884          * geom on ws switches or return from max mode
1885          */
1886
1887         if (win->floatmaxed || (r != r->ws->old_r && win->g_floatvalid) ) {
1888                 /*
1889                  * use stored g and rg to set relative position and size
1890                  * as in old region or before max stack mode
1891                  */
1892                 win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
1893                 win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
1894                 win->g.w = win->g_float.w;
1895                 win->g.h = win->g_float.h;
1896                 win->g_floatvalid = 0;
1897         }
1898
1899         win->floatmaxed = 0;
1900
1901         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w >= WIDTH(r)) &&
1902             (win->g.h >= HEIGHT(r)))
1903                 wc.border_width = 0;
1904         else
1905                 wc.border_width = 1;
1906         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1907                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1908                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1909         }
1910
1911         if (!win->manual) {
1912                 /*
1913                  * floaters and transients are auto-centred unless moved
1914                  * or resized
1915                  */
1916                 win->g.x = r->g.x + (WIDTH(r) - win->g.w) / 2;
1917                 win->g.y = r->g.y + (HEIGHT(r) - win->g.h) / 2;
1918         }
1919
1920         /* win can be outside r if new r smaller than old r */
1921         /* Ensure top left corner inside r (move probs otherwise) */
1922         if (win->g.x < r->g.x )
1923                 win->g.x = r->g.x;
1924         if (win->g.x > r->g.x + r->g.w - 1)
1925                 win->g.x = (win->g.w > r->g.w) ? r->g.x :
1926                     (r->g.x + r->g.w - win->g.w - 2);
1927         if (win->g.y < r->g.y )
1928                 win->g.y = r->g.y;
1929         if (win->g.y > r->g.y + r->g.h - 1)
1930                 win->g.y = (win->g.h > r->g.h) ? r->g.y :
1931                     (r->g.y + r->g.h - win->g.h - 2);
1932
1933         wc.x = win->g.x;
1934         wc.y = win->g.y;
1935         wc.width = win->g.w;
1936         wc.height = win->g.h;
1937
1938         /*
1939          * Retain floater and transient geometry for correct positioning
1940          * when ws changes region
1941          */
1942         store_float_geom(win, r);
1943
1944         DNPRINTF(SWM_D_MISC, "stack_floater: win %lu x %d y %d w %d h %d\n",
1945             win->id, wc.x, wc.y, wc.width, wc.height);
1946
1947         XConfigureWindow(display, win->id, mask, &wc);
1948         configreq_win(win);
1949 }
1950
1951 /*
1952  * Send keystrokes to terminal to decrease/increase the font size as the
1953  * window size changes.
1954  */
1955 void
1956 adjust_font(struct ws_win *win)
1957 {
1958         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1959             win->floating || win->transient)
1960                 return;
1961
1962         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1963             win->g.w / win->sh.width_inc < term_width &&
1964             win->font_steps < SWM_MAX_FONT_STEPS) {
1965                 win->font_size_boundary[win->font_steps] =
1966                     (win->sh.width_inc * term_width) + win->sh.base_width;
1967                 win->font_steps++;
1968                 font_adjusted++;
1969                 win->last_inc = win->sh.width_inc;
1970                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1971         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1972             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1973                 win->font_steps--;
1974                 font_adjusted++;
1975                 win->last_inc = win->sh.width_inc;
1976                 fake_keypress(win, XK_KP_Add, ShiftMask);
1977         }
1978 }
1979
1980 #define SWAPXY(g)       do {                            \
1981         int tmp;                                        \
1982         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1983         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1984 } while (0)
1985 void
1986 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1987 {
1988         XWindowChanges          wc;
1989         XWindowAttributes       wa;
1990         struct swm_geometry     win_g, r_g = *g;
1991         struct ws_win           *win;
1992         int                     i, j, s, stacks;
1993         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1994         int                     hrh, extra = 0, h_slice, last_h = 0;
1995         int                     split, colno, winno, mwin, msize, mscale;
1996         int                     remain, missing, v_slice, reconfigure;
1997         unsigned int            mask;
1998
1999         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
2000             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
2001
2002         winno = count_win(ws, 0);
2003         if (winno == 0 && count_win(ws, 1) == 0)
2004                 return;
2005
2006         TAILQ_FOREACH(win, &ws->winlist, entry)
2007                 if (win->transient == 0 && win->floating == 0)
2008                         break;
2009
2010         if (win == NULL)
2011                 goto notiles;
2012
2013         if (rot) {
2014                 w_inc = win->sh.width_inc;
2015                 w_base = win->sh.base_width;
2016                 mwin = ws->l_state.horizontal_mwin;
2017                 mscale = ws->l_state.horizontal_msize;
2018                 stacks = ws->l_state.horizontal_stacks;
2019                 SWAPXY(&r_g);
2020         } else {
2021                 w_inc = win->sh.height_inc;
2022                 w_base = win->sh.base_height;
2023                 mwin = ws->l_state.vertical_mwin;
2024                 mscale = ws->l_state.vertical_msize;
2025                 stacks = ws->l_state.vertical_stacks;
2026         }
2027         win_g = r_g;
2028
2029         if (stacks > winno - mwin)
2030                 stacks = winno - mwin;
2031         if (stacks < 1)
2032                 stacks = 1;
2033
2034         h_slice = r_g.h / SWM_H_SLICE;
2035         if (mwin && winno > mwin) {
2036                 v_slice = r_g.w / SWM_V_SLICE;
2037
2038                 split = mwin;
2039                 colno = split;
2040                 win_g.w = v_slice * mscale;
2041
2042                 if (w_inc > 1 && w_inc < v_slice) {
2043                         /* adjust for window's requested size increment */
2044                         remain = (win_g.w - w_base) % w_inc;
2045                         missing = w_inc - remain;
2046                         win_g.w -= remain;
2047                         extra += remain;
2048                 }
2049
2050                 msize = win_g.w;
2051                 if (flip)
2052                         win_g.x += r_g.w - msize;
2053         } else {
2054                 msize = -2;
2055                 colno = split = winno / stacks;
2056                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
2057         }
2058         hrh = r_g.h / colno;
2059         extra = r_g.h - (colno * hrh);
2060         win_g.h = hrh - 2;
2061
2062         /*  stack all the tiled windows */
2063         i = j = 0, s = stacks;
2064         TAILQ_FOREACH(win, &ws->winlist, entry) {
2065                 if (win->transient != 0 || win->floating != 0)
2066                         continue;
2067
2068                 if (split && i == split) {
2069                         colno = (winno - mwin) / stacks;
2070                         if (s <= (winno - mwin) % stacks)
2071                                 colno++;
2072                         split = split + colno;
2073                         hrh = (r_g.h / colno);
2074                         extra = r_g.h - (colno * hrh);
2075                         if (flip)
2076                                 win_g.x = r_g.x;
2077                         else
2078                                 win_g.x += win_g.w + 2;
2079                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
2080                         if (s == 1)
2081                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
2082                                     stacks;
2083                         s--;
2084                         j = 0;
2085                 }
2086                 win_g.h = hrh - 2;
2087                 if (rot) {
2088                         h_inc = win->sh.width_inc;
2089                         h_base = win->sh.base_width;
2090                 } else {
2091                         h_inc = win->sh.height_inc;
2092                         h_base = win->sh.base_height;
2093                 }
2094                 if (j == colno - 1) {
2095                         win_g.h = hrh + extra;
2096                 } else if (h_inc > 1 && h_inc < h_slice) {
2097                         /* adjust for window's requested size increment */
2098                         remain = (win_g.h - h_base) % h_inc;
2099                         missing = h_inc - remain;
2100
2101                         if (missing <= extra || j == 0) {
2102                                 extra -= missing;
2103                                 win_g.h += missing;
2104                         } else {
2105                                 win_g.h -= remain;
2106                                 extra += remain;
2107                         }
2108                 }
2109
2110                 if (j == 0)
2111                         win_g.y = r_g.y;
2112                 else
2113                         win_g.y += last_h + 2;
2114
2115                 bzero(&wc, sizeof wc);
2116                 wc.border_width = 1;
2117                 reconfigure = 0;
2118                 if (rot) {
2119                         if (win->g.x != win_g.y || win->g.y != win_g.x ||
2120                             win->g.w != win_g.h || win->g.h != win_g.w) {
2121                                 reconfigure = 1;
2122                                 win->g.x = wc.x = win_g.y;
2123                                 win->g.y = wc.y = win_g.x;
2124                                 win->g.w = wc.width = win_g.h;
2125                                 win->g.h = wc.height = win_g.w;
2126                         }
2127                 } else {
2128                         if (win->g.x != win_g.x || win->g.y != win_g.y ||
2129                             win->g.w != win_g.w || win->g.h != win_g.h) {
2130                                 reconfigure = 1;
2131                                 win->g.x = wc.x = win_g.x;
2132                                 win->g.y = wc.y = win_g.y;
2133                                 win->g.w = wc.width = win_g.w;
2134                                 win->g.h = wc.height = win_g.h;
2135                         }
2136                 }
2137                 if (reconfigure) {
2138                         adjust_font(win);
2139                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2140                         XConfigureWindow(display, win->id, mask, &wc);
2141                         configreq_win(win);
2142                 }
2143
2144                 if (XGetWindowAttributes(display, win->id, &wa))
2145                         if (wa.map_state == IsUnmapped)
2146                                 XMapRaised(display, win->id);
2147
2148                 last_h = win_g.h;
2149                 i++;
2150                 j++;
2151         }
2152
2153  notiles:
2154         /* now, stack all the floaters and transients */
2155         TAILQ_FOREACH(win, &ws->winlist, entry) {
2156                 if (win->transient == 0 && win->floating == 0)
2157                         continue;
2158
2159                 stack_floater(win, ws->r);
2160                 XMapRaised(display, win->id);
2161         }
2162 }
2163
2164 void
2165 vertical_config(struct workspace *ws, int id)
2166 {
2167         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
2168
2169         switch (id) {
2170         case SWM_ARG_ID_STACKRESET:
2171         case SWM_ARG_ID_STACKINIT:
2172                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
2173                 ws->l_state.vertical_mwin = 1;
2174                 ws->l_state.vertical_stacks = 1;
2175                 break;
2176         case SWM_ARG_ID_MASTERSHRINK:
2177                 if (ws->l_state.vertical_msize > 1)
2178                         ws->l_state.vertical_msize--;
2179                 break;
2180         case SWM_ARG_ID_MASTERGROW:
2181                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
2182                         ws->l_state.vertical_msize++;
2183                 break;
2184         case SWM_ARG_ID_MASTERADD:
2185                 ws->l_state.vertical_mwin++;
2186                 break;
2187         case SWM_ARG_ID_MASTERDEL:
2188                 if (ws->l_state.vertical_mwin > 0)
2189                         ws->l_state.vertical_mwin--;
2190                 break;
2191         case SWM_ARG_ID_STACKINC:
2192                 ws->l_state.vertical_stacks++;
2193                 break;
2194         case SWM_ARG_ID_STACKDEC:
2195                 if (ws->l_state.vertical_stacks > 1)
2196                         ws->l_state.vertical_stacks--;
2197                 break;
2198         default:
2199                 return;
2200         }
2201 }
2202
2203 void
2204 vertical_stack(struct workspace *ws, struct swm_geometry *g)
2205 {
2206         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
2207
2208         stack_master(ws, g, 0, 0);
2209 }
2210
2211 void
2212 horizontal_config(struct workspace *ws, int id)
2213 {
2214         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
2215
2216         switch (id) {
2217         case SWM_ARG_ID_STACKRESET:
2218         case SWM_ARG_ID_STACKINIT:
2219                 ws->l_state.horizontal_mwin = 1;
2220                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
2221                 ws->l_state.horizontal_stacks = 1;
2222                 break;
2223         case SWM_ARG_ID_MASTERSHRINK:
2224                 if (ws->l_state.horizontal_msize > 1)
2225                         ws->l_state.horizontal_msize--;
2226                 break;
2227         case SWM_ARG_ID_MASTERGROW:
2228                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
2229                         ws->l_state.horizontal_msize++;
2230                 break;
2231         case SWM_ARG_ID_MASTERADD:
2232                 ws->l_state.horizontal_mwin++;
2233                 break;
2234         case SWM_ARG_ID_MASTERDEL:
2235                 if (ws->l_state.horizontal_mwin > 0)
2236                         ws->l_state.horizontal_mwin--;
2237                 break;
2238         case SWM_ARG_ID_STACKINC:
2239                 ws->l_state.horizontal_stacks++;
2240                 break;
2241         case SWM_ARG_ID_STACKDEC:
2242                 if (ws->l_state.horizontal_stacks > 1)
2243                         ws->l_state.horizontal_stacks--;
2244                 break;
2245         default:
2246                 return;
2247         }
2248 }
2249
2250 void
2251 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
2252 {
2253         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
2254
2255         stack_master(ws, g, 1, 0);
2256 }
2257
2258 /* fullscreen view */
2259 void
2260 max_stack(struct workspace *ws, struct swm_geometry *g)
2261 {
2262         XWindowChanges          wc;
2263         struct swm_geometry     gg = *g;
2264         struct ws_win           *win, *wintrans = NULL, *parent = NULL;
2265         unsigned int            mask;
2266         int                     winno;
2267
2268         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
2269
2270         if (ws == NULL)
2271                 return;
2272
2273         winno = count_win(ws, 0);
2274         if (winno == 0 && count_win(ws, 1) == 0)
2275                 return;
2276
2277         TAILQ_FOREACH(win, &ws->winlist, entry) {
2278                 if (win->transient) {
2279                         wintrans = win;
2280                         parent = find_window(win->transient);
2281                         continue;
2282                 }
2283
2284                 if (win->floating && win->floatmaxed == 0 ) {
2285                         /*
2286                          * retain geometry for retrieval on exit from
2287                          * max_stack mode
2288                          */
2289                         store_float_geom(win, ws->r);
2290                         win->floatmaxed = 1;
2291                 }
2292
2293                 /* only reconfigure if necessary */
2294                 if (win->g.x != gg.x || win->g.y != gg.y || win->g.w != gg.w ||
2295                     win->g.h != gg.h) {
2296                         bzero(&wc, sizeof wc);
2297                         wc.border_width = 1;
2298                         win->g.x = wc.x = gg.x;
2299                         win->g.y = wc.y = gg.y;
2300                         win->g.w = wc.width = gg.w;
2301                         win->g.h = wc.height = gg.h;
2302                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
2303                         XConfigureWindow(display, win->id, mask, &wc);
2304                         configreq_win(win);
2305                 }
2306                 /* unmap only if we don't have multi screen */
2307                 if (win != ws->focus)
2308                         if (!(ScreenCount(display) > 1 || outputs > 1))
2309                                 unmap_window(win);
2310         }
2311
2312         /* put the last transient on top */
2313         if (wintrans) {
2314                 if (parent)
2315                         XMapRaised(display, parent->id);
2316                 stack_floater(wintrans, ws->r);
2317                 focus_magic(wintrans, SWM_F_TRANSIENT);
2318         }
2319 }
2320
2321 void
2322 send_to_ws(struct swm_region *r, union arg *args)
2323 {
2324         int                     wsid = args->id;
2325         struct ws_win           *win = win;
2326         struct workspace        *ws, *nws;
2327         Atom                    ws_idx_atom = 0;
2328         unsigned char           ws_idx_str[SWM_PROPLEN];
2329         union arg               a;
2330
2331         if (r && r->ws)
2332                 win = r->ws->focus;
2333         else
2334                 return;
2335         if (win == NULL)
2336                 return;
2337         if (win->ws->idx == wsid)
2338                 return;
2339
2340         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
2341
2342         ws = win->ws;
2343         nws = &win->s->ws[wsid];
2344
2345         a.id = SWM_ARG_ID_FOCUSPREV;
2346         focus(r, &a);
2347         unmap_window(win);
2348         TAILQ_REMOVE(&ws->winlist, win, entry);
2349         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
2350         win->ws = nws;
2351
2352         /* Try to update the window's workspace property */
2353         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
2354         if (ws_idx_atom &&
2355             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
2356                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
2357                     ws_idx_str);
2358                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
2359                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
2360         }
2361         stack();
2362 }
2363
2364 void
2365 wkill(struct swm_region *r, union arg *args)
2366 {
2367         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
2368
2369         if(r->ws->focus == NULL)
2370                 return;
2371
2372         if (args->id == SWM_ARG_ID_KILLWINDOW)
2373                 XKillClient(display, r->ws->focus->id);
2374         else
2375                 if (r->ws->focus->can_delete)
2376                         client_msg(r->ws->focus, adelete);
2377 }
2378
2379 void
2380 floating_toggle(struct swm_region *r, union arg *args)
2381 {
2382         struct ws_win   *win = r->ws->focus;
2383         union arg       a;
2384
2385         if (win == NULL)
2386                 return;
2387
2388         /* reject floating toggles in max stack mode */
2389         if (r->ws->cur_layout == &layouts[SWM_MAX_STACK])
2390                 return;
2391
2392         if (win->floating) {
2393                 if (!win->floatmaxed) {
2394                         /* retain position for refloat */
2395                         store_float_geom(win, r);
2396                 }
2397                 win->floating = 0;
2398         } else {
2399                 if (win->g_floatvalid) {
2400                         /* refloat at last floating relative position */
2401                         win->g.x = win->g_float.x - win->rg_float.x + r->g.x;
2402                         win->g.y = win->g_float.y - win->rg_float.y + r->g.y;
2403                         win->g.w = win->g_float.w;
2404                         win->g.h = win->g_float.h;
2405                 }
2406                 win->floating = 1;
2407         }
2408
2409         stack();
2410         a.id = SWM_ARG_ID_FOCUSCUR;
2411         focus(win->ws->r, &a);
2412 }
2413
2414 void
2415 resize_window(struct ws_win *win, int center)
2416 {
2417         unsigned int            mask;
2418         XWindowChanges          wc;
2419         struct swm_region       *r;
2420
2421         r = root_to_region(win->wa.root);
2422         bzero(&wc, sizeof wc);
2423         mask = CWBorderWidth | CWWidth | CWHeight;
2424         wc.border_width = 1;
2425         wc.width = win->g.w;
2426         wc.height = win->g.h;
2427         if (center == SWM_ARG_ID_CENTER) {
2428                 wc.x = (WIDTH(r) - win->g.w) / 2;
2429                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2430                 mask |= CWX | CWY;
2431         }
2432
2433         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2434             win->id, wc.x, wc.y, wc.width, wc.height);
2435
2436         XConfigureWindow(display, win->id, mask, &wc);
2437         configreq_win(win);
2438 }
2439
2440 void
2441 resize(struct ws_win *win, union arg *args)
2442 {
2443         XEvent                  ev;
2444         Time                    time = 0;
2445         struct swm_region       *r = win->ws->r;
2446         int                     relx, rely;
2447         union arg               a;
2448
2449
2450         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %lu\n",
2451             win->id, win->floating, win->transient);
2452
2453         if (!(win->transient != 0 || win->floating != 0))
2454                 return;
2455
2456         /* reject resizes in max mode for floaters (transient ok) */
2457         if (win->floatmaxed)
2458                 return;
2459
2460         win->manual = 1;
2461         /* raise the window = move to last in window list */
2462         a.id = SWM_ARG_ID_MOVELAST;
2463         swapwin(r, &a);
2464         stack();
2465
2466         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2467             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2468                 return;
2469
2470         /* place pointer at bottom left corner or nearest point inside r */
2471         if ( win->g.x + win->g.w < r->g.x + r->g.w - 1)
2472                 relx = win->g.w;
2473         else
2474                 relx = r->g.x + r->g.w - win->g.x - 2;
2475
2476         if ( win->g.y + win->g.h < r->g.y + r->g.h - 1)
2477                 rely = win->g.h;
2478         else
2479                 rely = r->g.y + r->g.h - win->g.y - 2;
2480
2481         XWarpPointer(display, None, win->id, 0, 0, 0, 0, relx, rely);
2482         do {
2483                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2484                     SubstructureRedirectMask, &ev);
2485                 switch(ev.type) {
2486                 case ConfigureRequest:
2487                 case Expose:
2488                 case MapRequest:
2489                         handler[ev.type](&ev);
2490                         break;
2491                 case MotionNotify:
2492                         /* do not allow resize outside of region */
2493                         if (    ev.xmotion.x_root < r->g.x ||
2494                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
2495                                 ev.xmotion.y_root < r->g.y ||
2496                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
2497                                 continue;
2498
2499                         if (ev.xmotion.x <= 1)
2500                                 ev.xmotion.x = 1;
2501                         if (ev.xmotion.y <= 1)
2502                                 ev.xmotion.y = 1;
2503                         win->g.w = ev.xmotion.x;
2504                         win->g.h = ev.xmotion.y;
2505
2506                         /* not free, don't sync more than 60 times / second */
2507                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2508                                 time = ev.xmotion.time;
2509                                 XSync(display, False);
2510                                 resize_window(win, args->id);
2511                         }
2512                         break;
2513                 }
2514         } while (ev.type != ButtonRelease);
2515         if (time) {
2516                 XSync(display, False);
2517                 resize_window(win, args->id);
2518         }
2519         store_float_geom(win,r);
2520
2521         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2522             win->g.h - 1);
2523         XUngrabPointer(display, CurrentTime);
2524
2525         /* drain events */
2526         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2527 }
2528
2529 void
2530 move_window(struct ws_win *win)
2531 {
2532         unsigned int            mask;
2533         XWindowChanges          wc;
2534         struct swm_region       *r;
2535
2536         r = root_to_region(win->wa.root);
2537         bzero(&wc, sizeof wc);
2538         mask = CWX | CWY;
2539         wc.x = win->g.x;
2540         wc.y = win->g.y;
2541
2542         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2543             win->id, wc.x, wc.y, wc.width, wc.height);
2544
2545         XConfigureWindow(display, win->id, mask, &wc);
2546         configreq_win(win);
2547 }
2548
2549 void
2550 move(struct ws_win *win, union arg *args)
2551 {
2552         XEvent                  ev;
2553         Time                    time = 0;
2554         struct swm_region       *r = win->ws->r;
2555         union arg               a;
2556
2557         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %lu\n",
2558             win->id, win->floating, win->transient);
2559
2560         /* in max_stack mode should only move transients */
2561         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
2562                 return;
2563
2564         win->manual = 1;
2565         if (win->floating == 0 && !win->transient) {
2566                 win->floating = 1;
2567         }
2568
2569         /* raise the window = move to last in window list */
2570         a.id = SWM_ARG_ID_MOVELAST;
2571         swapwin(r, &a);
2572         stack();
2573
2574         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2575             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2576                 return;
2577         XWarpPointer(display, None, win->id, 0, 0, 0, 0, -1, -1);
2578         do {
2579                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2580                     SubstructureRedirectMask, &ev);
2581                 switch(ev.type) {
2582                 case ConfigureRequest:
2583                 case Expose:
2584                 case MapRequest:
2585                         handler[ev.type](&ev);
2586                         break;
2587                 case MotionNotify:
2588                         /* don't allow to move window origin out of region */
2589                         if (    ev.xmotion.x_root < r->g.x ||
2590                                 ev.xmotion.x_root > r->g.x + r->g.w - 1 ||
2591                                 ev.xmotion.y_root < r->g.y ||
2592                                 ev.xmotion.y_root > r->g.y + r->g.h - 1)
2593                                 continue;
2594
2595                         win->g.x = ev.xmotion.x_root;
2596                         win->g.y = ev.xmotion.y_root;
2597
2598                         /* not free, don't sync more than 60 times / second */
2599                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2600                                 time = ev.xmotion.time;
2601                                 XSync(display, False);
2602                                 move_window(win);
2603                         }
2604                         break;
2605                 }
2606         } while (ev.type != ButtonRelease);
2607         if (time) {
2608                 XSync(display, False);
2609                 move_window(win);
2610         }
2611         store_float_geom(win,r);
2612         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2613         XUngrabPointer(display, CurrentTime);
2614
2615         /* drain events */
2616         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2617 }
2618
2619 /* user/key callable function IDs */
2620 enum keyfuncid {
2621         kf_cycle_layout,
2622         kf_stack_reset,
2623         kf_master_shrink,
2624         kf_master_grow,
2625         kf_master_add,
2626         kf_master_del,
2627         kf_stack_inc,
2628         kf_stack_dec,
2629         kf_swap_main,
2630         kf_focus_next,
2631         kf_focus_prev,
2632         kf_swap_next,
2633         kf_swap_prev,
2634         kf_spawn_term,
2635         kf_spawn_menu,
2636         kf_quit,
2637         kf_restart,
2638         kf_focus_main,
2639         kf_ws_1,
2640         kf_ws_2,
2641         kf_ws_3,
2642         kf_ws_4,
2643         kf_ws_5,
2644         kf_ws_6,
2645         kf_ws_7,
2646         kf_ws_8,
2647         kf_ws_9,
2648         kf_ws_10,
2649         kf_ws_next,
2650         kf_ws_prev,
2651         kf_ws_prior,
2652         kf_screen_next,
2653         kf_screen_prev,
2654         kf_mvws_1,
2655         kf_mvws_2,
2656         kf_mvws_3,
2657         kf_mvws_4,
2658         kf_mvws_5,
2659         kf_mvws_6,
2660         kf_mvws_7,
2661         kf_mvws_8,
2662         kf_mvws_9,
2663         kf_mvws_10,
2664         kf_bar_toggle,
2665         kf_wind_kill,
2666         kf_wind_del,
2667         kf_screenshot_all,
2668         kf_screenshot_wind,
2669         kf_float_toggle,
2670         kf_version,
2671         kf_spawn_lock,
2672         kf_spawn_initscr,
2673         kf_spawn_custom,
2674         kf_dumpwins,
2675         kf_invalid
2676 };
2677
2678 /* key definitions */
2679 void
2680 dummykeyfunc(struct swm_region *r, union arg *args)
2681 {
2682 };
2683
2684 void
2685 legacyfunc(struct swm_region *r, union arg *args)
2686 {
2687 };
2688
2689 struct keyfunc {
2690         char                    name[SWM_FUNCNAME_LEN];
2691         void                    (*func)(struct swm_region *r, union arg *);
2692         union arg               args;
2693 } keyfuncs[kf_invalid + 1] = {
2694         /* name                 function        argument */
2695         { "cycle_layout",       cycle_layout,   {0} },
2696         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2697         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2698         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2699         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2700         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2701         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2702         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2703         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2704         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2705         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2706         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2707         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2708         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2709         { "spawn_menu",         legacyfunc,     {0} },
2710         { "quit",               quit,           {0} },
2711         { "restart",            restart,        {0} },
2712         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2713         { "ws_1",               switchws,       {.id = 0} },
2714         { "ws_2",               switchws,       {.id = 1} },
2715         { "ws_3",               switchws,       {.id = 2} },
2716         { "ws_4",               switchws,       {.id = 3} },
2717         { "ws_5",               switchws,       {.id = 4} },
2718         { "ws_6",               switchws,       {.id = 5} },
2719         { "ws_7",               switchws,       {.id = 6} },
2720         { "ws_8",               switchws,       {.id = 7} },
2721         { "ws_9",               switchws,       {.id = 8} },
2722         { "ws_10",              switchws,       {.id = 9} },
2723         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2724         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2725         { "ws_prior",           priorws,        {0} },
2726         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2727         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2728         { "mvws_1",             send_to_ws,     {.id = 0} },
2729         { "mvws_2",             send_to_ws,     {.id = 1} },
2730         { "mvws_3",             send_to_ws,     {.id = 2} },
2731         { "mvws_4",             send_to_ws,     {.id = 3} },
2732         { "mvws_5",             send_to_ws,     {.id = 4} },
2733         { "mvws_6",             send_to_ws,     {.id = 5} },
2734         { "mvws_7",             send_to_ws,     {.id = 6} },
2735         { "mvws_8",             send_to_ws,     {.id = 7} },
2736         { "mvws_9",             send_to_ws,     {.id = 8} },
2737         { "mvws_10",            send_to_ws,     {.id = 9} },
2738         { "bar_toggle",         bar_toggle,     {0} },
2739         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2740         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2741         { "screenshot_all",     legacyfunc,     {0} },
2742         { "screenshot_wind",    legacyfunc,     {0} },
2743         { "float_toggle",       floating_toggle,{0} },
2744         { "version",            version,        {0} },
2745         { "spawn_lock",         legacyfunc,     {0} },
2746         { "spawn_initscr",      legacyfunc,     {0} },
2747         { "spawn_custom",       dummykeyfunc,   {0} },
2748         { "dumpwins",           dumpwins,       {0} },
2749         { "invalid key func",   NULL,           {0} },
2750 };
2751 struct key {
2752         unsigned int            mod;
2753         KeySym                  keysym;
2754         enum keyfuncid          funcid;
2755         char                    *spawn_name;
2756 };
2757 int                             keys_size = 0, keys_length = 0;
2758 struct key                      *keys = NULL;
2759
2760 /* mouse */
2761 enum { client_click, root_click };
2762 struct button {
2763         unsigned int            action;
2764         unsigned int            mask;
2765         unsigned int            button;
2766         void                    (*func)(struct ws_win *, union arg *);
2767         union arg               args;
2768 } buttons[] = {
2769           /* action     key             mouse button    func    args */
2770         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2771         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2772         { client_click, MODKEY,         Button1,        move,   {0} },
2773 };
2774
2775 void
2776 update_modkey(unsigned int mod)
2777 {
2778         int                     i;
2779
2780         mod_key = mod;
2781         for (i = 0; i < keys_length; i++)
2782                 if (keys[i].mod & ShiftMask)
2783                         keys[i].mod = mod | ShiftMask;
2784                 else
2785                         keys[i].mod = mod;
2786
2787         for (i = 0; i < LENGTH(buttons); i++)
2788                 if (buttons[i].mask & ShiftMask)
2789                         buttons[i].mask = mod | ShiftMask;
2790                 else
2791                         buttons[i].mask = mod;
2792 }
2793
2794 /* spawn */
2795 struct spawn_prog {
2796         char                    *name;
2797         int                     argc;
2798         char                    **argv;
2799 };
2800
2801 int                             spawns_size = 0, spawns_length = 0;
2802 struct spawn_prog               *spawns = NULL;
2803
2804 void
2805 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2806 {
2807         union arg               a;
2808         struct spawn_prog       *prog = NULL;
2809         int                     i;
2810         char                    *ap, **real_args;
2811
2812         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2813
2814         /* find program */
2815         for (i = 0; i < spawns_length; i++) {
2816                 if (!strcasecmp(spawn_name, spawns[i].name))
2817                         prog = &spawns[i];
2818         }
2819         if (prog == NULL) {
2820                 fprintf(stderr, "spawn_custom: program %s not found\n",
2821                     spawn_name);
2822                 return;
2823         }
2824
2825         /* make room for expanded args */
2826         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2827                 err(1, "spawn_custom: calloc real_args");
2828
2829         /* expand spawn_args into real_args */
2830         for (i = 0; i < prog->argc; i++) {
2831                 ap = prog->argv[i];
2832                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2833                 if (!strcasecmp(ap, "$bar_border")) {
2834                         if ((real_args[i] =
2835                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2836                             == NULL)
2837                                 err(1,  "spawn_custom border color");
2838                 } else if (!strcasecmp(ap, "$bar_color")) {
2839                         if ((real_args[i] =
2840                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2841                             == NULL)
2842                                 err(1, "spawn_custom bar color");
2843                 } else if (!strcasecmp(ap, "$bar_font")) {
2844                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2845                             == NULL)
2846                                 err(1, "spawn_custom bar fonts");
2847                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2848                         if ((real_args[i] =
2849                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2850                             == NULL)
2851                                 err(1, "spawn_custom color font");
2852                 } else if (!strcasecmp(ap, "$color_focus")) {
2853                         if ((real_args[i] =
2854                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2855                             == NULL)
2856                                 err(1, "spawn_custom color focus");
2857                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2858                         if ((real_args[i] =
2859                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2860                             == NULL)
2861                                 err(1, "spawn_custom color unfocus");
2862                 } else {
2863                         /* no match --> copy as is */
2864                         if ((real_args[i] = strdup(ap)) == NULL)
2865                                 err(1, "spawn_custom strdup(ap)");
2866                 }
2867                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2868                     real_args[i]);
2869         }
2870
2871 #ifdef SWM_DEBUG
2872         if ((swm_debug & SWM_D_SPAWN) != 0) {
2873                 fprintf(stderr, "spawn_custom: result = ");
2874                 for (i = 0; i < prog->argc; i++)
2875                         fprintf(stderr, "\"%s\" ", real_args[i]);
2876                 fprintf(stderr, "\n");
2877         }
2878 #endif
2879
2880         a.argv = real_args;
2881         spawn(r, &a);
2882         for (i = 0; i < prog->argc; i++)
2883                 free(real_args[i]);
2884         free(real_args);
2885 }
2886
2887 void
2888 setspawn(struct spawn_prog *prog)
2889 {
2890         int                     i, j;
2891
2892         if (prog == NULL || prog->name == NULL)
2893                 return;
2894
2895         /* find existing */
2896         for (i = 0; i < spawns_length; i++) {
2897                 if (!strcmp(spawns[i].name, prog->name)) {
2898                         /* found */
2899                         if (prog->argv == NULL) {
2900                                 /* delete */
2901                                 DNPRINTF(SWM_D_SPAWN,
2902                                     "setspawn: delete #%d %s\n",
2903                                     i, spawns[i].name);
2904                                 free(spawns[i].name);
2905                                 for (j = 0; j < spawns[i].argc; j++)
2906                                         free(spawns[i].argv[j]);
2907                                 free(spawns[i].argv);
2908                                 j = spawns_length - 1;
2909                                 if (i < j)
2910                                         spawns[i] = spawns[j];
2911                                 spawns_length--;
2912                                 free(prog->name);
2913                         } else {
2914                                 /* replace */
2915                                 DNPRINTF(SWM_D_SPAWN,
2916                                     "setspawn: replace #%d %s\n",
2917                                     i, spawns[i].name);
2918                                 free(spawns[i].name);
2919                                 for (j = 0; j < spawns[i].argc; j++)
2920                                         free(spawns[i].argv[j]);
2921                                 free(spawns[i].argv);
2922                                 spawns[i] = *prog;
2923                         }
2924                         /* found case handled */
2925                         free(prog);
2926                         return;
2927                 }
2928         }
2929
2930         if (prog->argv == NULL) {
2931                 fprintf(stderr,
2932                     "error: setspawn: cannot find program %s", prog->name);
2933                 free(prog);
2934                 return;
2935         }
2936
2937         /* not found: add */
2938         if (spawns_size == 0 || spawns == NULL) {
2939                 spawns_size = 4;
2940                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2941                 spawns = malloc((size_t)spawns_size *
2942                     sizeof(struct spawn_prog));
2943                 if (spawns == NULL) {
2944                         fprintf(stderr, "setspawn: malloc failed\n");
2945                         perror(" failed");
2946                         quit(NULL, NULL);
2947                 }
2948         } else if (spawns_length == spawns_size) {
2949                 spawns_size *= 2;
2950                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2951                 spawns = realloc(spawns, (size_t)spawns_size *
2952                     sizeof(struct spawn_prog));
2953                 if (spawns == NULL) {
2954                         fprintf(stderr, "setspawn: realloc failed\n");
2955                         perror(" failed");
2956                         quit(NULL, NULL);
2957                 }
2958         }
2959
2960         if (spawns_length < spawns_size) {
2961                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2962                     spawns_length, prog->name);
2963                 i = spawns_length++;
2964                 spawns[i] = *prog;
2965         } else {
2966                 fprintf(stderr, "spawns array problem?\n");
2967                 if (spawns == NULL) {
2968                         fprintf(stderr, "spawns array is NULL!\n");
2969                         quit(NULL, NULL);
2970                 }
2971         }
2972         free(prog);
2973 }
2974
2975 int
2976 setconfspawn(char *selector, char *value, int flags)
2977 {
2978         struct spawn_prog       *prog;
2979         char                    *vp, *cp, *word;
2980
2981         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2982         if ((prog = calloc(1, sizeof *prog)) == NULL)
2983                 err(1, "setconfspawn: calloc prog");
2984         prog->name = strdup(selector);
2985         if (prog->name == NULL)
2986                 err(1, "setconfspawn prog->name");
2987         if ((cp = vp = strdup(value)) == NULL)
2988                 err(1, "setconfspawn: strdup(value) ");
2989         while ((word = strsep(&cp, " \t")) != NULL) {
2990                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2991                 if (cp)
2992                         cp += (long)strspn(cp, " \t");
2993                 if (strlen(word) > 0) {
2994                         prog->argc++;
2995                         prog->argv = realloc(prog->argv,
2996                             prog->argc * sizeof(char *));
2997                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2998                                 err(1, "setconfspawn: strdup");
2999                 }
3000         }
3001         free(vp);
3002
3003         setspawn(prog);
3004
3005         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
3006         return (0);
3007 }
3008
3009 void
3010 setup_spawn(void)
3011 {
3012         setconfspawn("term",            "xterm",                0);
3013         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
3014         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
3015         setconfspawn("lock",            "xlock",                0);
3016         setconfspawn("initscr",         "initscreen.sh",        0);
3017         setconfspawn("menu",            "dmenu_run"
3018                                         " -fn $bar_font"
3019                                         " -nb $bar_color"
3020                                         " -nf $bar_font_color"
3021                                         " -sb $bar_border"
3022                                         " -sf $bar_color",      0);
3023 }
3024
3025 /* key bindings */
3026 #define SWM_MODNAME_SIZE        32
3027 #define SWM_KEY_WS              "\n+ \t"
3028 int
3029 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
3030 {
3031         char                    *cp, *name;
3032         KeySym                  uks;
3033         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
3034         if (mod == NULL || ks == NULL) {
3035                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
3036                 return (1);
3037         }
3038         if (keystr == NULL || strlen(keystr) == 0) {
3039                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
3040                 return (1);
3041         }
3042         cp = keystr;
3043         *ks = NoSymbol;
3044         *mod = 0;
3045         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
3046                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
3047                 if (cp)
3048                         cp += (long)strspn(cp, SWM_KEY_WS);
3049                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
3050                         *mod |= currmod;
3051                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
3052                         *mod |= Mod1Mask;
3053                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
3054                         *mod += Mod2Mask;
3055                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
3056                         *mod |= Mod3Mask;
3057                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
3058                         *mod |= Mod4Mask;
3059                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
3060                         *mod |= ShiftMask;
3061                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
3062                         *mod |= ControlMask;
3063                 else {
3064                         *ks = XStringToKeysym(name);
3065                         XConvertCase(*ks, ks, &uks);
3066                         if (ks == NoSymbol) {
3067                                 DNPRINTF(SWM_D_KEY,
3068                                     "parsekeys: invalid key %s\n",
3069                                     name);
3070                                 return (1);
3071                         }
3072                 }
3073         }
3074         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
3075         return (0);
3076 }
3077
3078 char *
3079 strdupsafe(char *str)
3080 {
3081         if (str == NULL)
3082                 return (NULL);
3083         else
3084                 return (strdup(str));
3085 }
3086
3087 void
3088 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
3089 {
3090         int                     i, j;
3091         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
3092             keyfuncs[kfid].name, spawn_name);
3093         /* find existing */
3094         for (i = 0; i < keys_length; i++) {
3095                 if (keys[i].mod == mod && keys[i].keysym == ks) {
3096                         if (kfid == kf_invalid) {
3097                                 /* found: delete */
3098                                 DNPRINTF(SWM_D_KEY,
3099                                     "setkeybinding: delete #%d %s\n",
3100                                     i, keyfuncs[keys[i].funcid].name);
3101                                 free(keys[i].spawn_name);
3102                                 j = keys_length - 1;
3103                                 if (i < j)
3104                                         keys[i] = keys[j];
3105                                 keys_length--;
3106                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3107                                 return;
3108                         } else {
3109                                 /* found: replace */
3110                                 DNPRINTF(SWM_D_KEY,
3111                                     "setkeybinding: replace #%d %s %s\n",
3112                                     i, keyfuncs[keys[i].funcid].name,
3113                                     spawn_name);
3114                                 free(keys[i].spawn_name);
3115                                 keys[i].mod = mod;
3116                                 keys[i].keysym = ks;
3117                                 keys[i].funcid = kfid;
3118                                 keys[i].spawn_name = strdupsafe(spawn_name);
3119                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3120                                 return;
3121                         }
3122                 }
3123         }
3124         if (kfid == kf_invalid) {
3125                 fprintf(stderr,
3126                     "error: setkeybinding: cannot find mod/key combination");
3127                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3128                 return;
3129         }
3130         /* not found: add */
3131         if (keys_size == 0 || keys == NULL) {
3132                 keys_size = 4;
3133                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
3134                 keys = malloc((size_t)keys_size * sizeof(struct key));
3135                 if (!keys) {
3136                         fprintf(stderr, "malloc failed\n");
3137                         perror(" failed");
3138                         quit(NULL, NULL);
3139                 }
3140         } else if (keys_length == keys_size) {
3141                 keys_size *= 2;
3142                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
3143                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
3144                 if (!keys) {
3145                         fprintf(stderr, "realloc failed\n");
3146                         perror(" failed");
3147                         quit(NULL, NULL);
3148                 }
3149         }
3150         if (keys_length < keys_size) {
3151                 j = keys_length++;
3152                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
3153                     j, keyfuncs[kfid].name, spawn_name);
3154                 keys[j].mod = mod;
3155                 keys[j].keysym = ks;
3156                 keys[j].funcid = kfid;
3157                 keys[j].spawn_name = strdupsafe(spawn_name);
3158         } else {
3159                 fprintf(stderr, "keys array problem?\n");
3160                 if (!keys) {
3161                         fprintf(stderr, "keys array problem\n");
3162                         quit(NULL, NULL);
3163                 }
3164         }
3165         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
3166 }
3167
3168 int
3169 setconfbinding(char *selector, char *value, int flags)
3170 {
3171         enum keyfuncid          kfid;
3172         unsigned int            mod;
3173         KeySym                  ks;
3174         int                     i;
3175         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
3176         if (selector == NULL) {
3177                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
3178                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3179                         kfid = kf_invalid;
3180                         setkeybinding(mod, ks, kfid, NULL);
3181                         return (0);
3182                 } else
3183                         return (1);
3184         }
3185         /* search by key function name */
3186         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
3187                 if (strncasecmp(selector, keyfuncs[kfid].name,
3188                     SWM_FUNCNAME_LEN) == 0) {
3189                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
3190                             selector);
3191                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3192                                 setkeybinding(mod, ks, kfid, NULL);
3193                                 return (0);
3194                         } else
3195                                 return (1);
3196                 }
3197         }
3198         /* search by custom spawn name */
3199         for (i = 0; i < spawns_length; i++) {
3200                 if (strcasecmp(selector, spawns[i].name) == 0) {
3201                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
3202                             selector);
3203                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
3204                                 setkeybinding(mod, ks, kf_spawn_custom,
3205                                     spawns[i].name);
3206                                 return (0);
3207                         } else
3208                                 return (1);
3209                 }
3210         }
3211         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
3212         return (1);
3213 }
3214
3215 void
3216 setup_keys(void)
3217 {
3218         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
3219         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
3220         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
3221         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
3222         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
3223         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
3224         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
3225         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
3226         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
3227         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
3228         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
3229         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
3230         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
3231         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
3232         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
3233         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
3234         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
3235         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
3236         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
3237         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
3238         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
3239         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
3240         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
3241         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
3242         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
3243         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
3244         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
3245         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
3246         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
3247         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
3248         setkeybinding(MODKEY,           XK_a,           kf_ws_prior,    NULL);
3249         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
3250         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
3251         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
3252         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
3253         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
3254         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
3255         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
3256         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
3257         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
3258         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
3259         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
3260         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
3261         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
3262         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
3263         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
3264         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
3265         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
3266         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
3267         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
3268         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
3269         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
3270         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
3271         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
3272 #ifdef SWM_DEBUG
3273         setkeybinding(MODKEY|ShiftMask, XK_d,           kf_dumpwins,    NULL);
3274 #endif
3275 }
3276
3277 void
3278 updatenumlockmask(void)
3279 {
3280         unsigned int            i, j;
3281         XModifierKeymap         *modmap;
3282
3283         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
3284         numlockmask = 0;
3285         modmap = XGetModifierMapping(display);
3286         for (i = 0; i < 8; i++)
3287                 for (j = 0; j < modmap->max_keypermod; j++)
3288                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
3289                           == XKeysymToKeycode(display, XK_Num_Lock))
3290                                 numlockmask = (1 << i);
3291
3292         XFreeModifiermap(modmap);
3293 }
3294
3295 void
3296 grabkeys(void)
3297 {
3298         unsigned int            i, j, k;
3299         KeyCode                 code;
3300         unsigned int            modifiers[] =
3301             { 0, LockMask, numlockmask, numlockmask | LockMask };
3302
3303         DNPRINTF(SWM_D_MISC, "grabkeys\n");
3304         updatenumlockmask();
3305
3306         for (k = 0; k < ScreenCount(display); k++) {
3307                 if (TAILQ_EMPTY(&screens[k].rl))
3308                         continue;
3309                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
3310                 for (i = 0; i < keys_length; i++) {
3311                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
3312                                 for (j = 0; j < LENGTH(modifiers); j++)
3313                                         XGrabKey(display, code,
3314                                             keys[i].mod | modifiers[j],
3315                                             screens[k].root, True,
3316                                             GrabModeAsync, GrabModeAsync);
3317                 }
3318         }
3319 }
3320
3321 void
3322 grabbuttons(struct ws_win *win, int focused)
3323 {
3324         unsigned int            i, j;
3325         unsigned int            modifiers[] =
3326             { 0, LockMask, numlockmask, numlockmask|LockMask };
3327
3328         updatenumlockmask();
3329         XUngrabButton(display, AnyButton, AnyModifier, win->id);
3330         if(focused) {
3331                 for (i = 0; i < LENGTH(buttons); i++)
3332                         if (buttons[i].action == client_click)
3333                                 for (j = 0; j < LENGTH(modifiers); j++)
3334                                         XGrabButton(display, buttons[i].button,
3335                                             buttons[i].mask | modifiers[j],
3336                                             win->id, False, BUTTONMASK,
3337                                             GrabModeAsync, GrabModeSync, None,
3338                                             None);
3339         } else
3340                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
3341                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
3342 }
3343
3344 const char *quirkname[] = {
3345         "NONE",         /* config string for "no value" */
3346         "FLOAT",
3347         "TRANSSZ",
3348         "ANYWHERE",
3349         "XTERM_FONTADJ",
3350         "FULLSCREEN",
3351 };
3352
3353 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
3354 #define SWM_Q_WS                "\n|+ \t"
3355 int
3356 parsequirks(char *qstr, unsigned long *quirk)
3357 {
3358         char                    *cp, *name;
3359         int                     i;
3360
3361         if (quirk == NULL)
3362                 return (1);
3363
3364         cp = qstr;
3365         *quirk = 0;
3366         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
3367                 if (cp)
3368                         cp += (long)strspn(cp, SWM_Q_WS);
3369                 for (i = 0; i < LENGTH(quirkname); i++) {
3370                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
3371                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
3372                                 if (i == 0) {
3373                                         *quirk = 0;
3374                                         return (0);
3375                                 }
3376                                 *quirk |= 1 << (i-1);
3377                                 break;
3378                         }
3379                 }
3380                 if (i >= LENGTH(quirkname)) {
3381                         DNPRINTF(SWM_D_QUIRK,
3382                             "parsequirks: invalid quirk [%s]\n", name);
3383                         return (1);
3384                 }
3385         }
3386         return (0);
3387 }
3388
3389 void
3390 setquirk(const char *class, const char *name, const int quirk)
3391 {
3392         int                     i, j;
3393
3394         /* find existing */
3395         for (i = 0; i < quirks_length; i++) {
3396                 if (!strcmp(quirks[i].class, class) &&
3397                     !strcmp(quirks[i].name, name)) {
3398                         if (!quirk) {
3399                                 /* found: delete */
3400                                 DNPRINTF(SWM_D_QUIRK,
3401                                     "setquirk: delete #%d %s:%s\n",
3402                                     i, quirks[i].class, quirks[i].name);
3403                                 free(quirks[i].class);
3404                                 free(quirks[i].name);
3405                                 j = quirks_length - 1;
3406                                 if (i < j)
3407                                         quirks[i] = quirks[j];
3408                                 quirks_length--;
3409                                 return;
3410                         } else {
3411                                 /* found: replace */
3412                                 DNPRINTF(SWM_D_QUIRK,
3413                                     "setquirk: replace #%d %s:%s\n",
3414                                     i, quirks[i].class, quirks[i].name);
3415                                 free(quirks[i].class);
3416                                 free(quirks[i].name);
3417                                 quirks[i].class = strdup(class);
3418                                 quirks[i].name = strdup(name);
3419                                 quirks[i].quirk = quirk;
3420                                 return;
3421                         }
3422                 }
3423         }
3424         if (!quirk) {
3425                 fprintf(stderr,
3426                     "error: setquirk: cannot find class/name combination");
3427                 return;
3428         }
3429         /* not found: add */
3430         if (quirks_size == 0 || quirks == NULL) {
3431                 quirks_size = 4;
3432                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
3433                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
3434                 if (!quirks) {
3435                         fprintf(stderr, "setquirk: malloc failed\n");
3436                         perror(" failed");
3437                         quit(NULL, NULL);
3438                 }
3439         } else if (quirks_length == quirks_size) {
3440                 quirks_size *= 2;
3441                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
3442                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
3443                 if (!quirks) {
3444                         fprintf(stderr, "setquirk: realloc failed\n");
3445                         perror(" failed");
3446                         quit(NULL, NULL);
3447                 }
3448         }
3449         if (quirks_length < quirks_size) {
3450                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
3451                 j = quirks_length++;
3452                 quirks[j].class = strdup(class);
3453                 quirks[j].name = strdup(name);
3454                 quirks[j].quirk = quirk;
3455         } else {
3456                 fprintf(stderr, "quirks array problem?\n");
3457                 if (!quirks) {
3458                         fprintf(stderr, "quirks array problem!\n");
3459                         quit(NULL, NULL);
3460                 }
3461         }
3462 }
3463
3464 int
3465 setconfquirk(char *selector, char *value, int flags)
3466 {
3467         char                    *cp, *class, *name;
3468         int                     retval;
3469         unsigned long           quirks;
3470         if (selector == NULL)
3471                 return (0);
3472         if ((cp = strchr(selector, ':')) == NULL)
3473                 return (0);
3474         *cp = '\0';
3475         class = selector;
3476         name = cp + 1;
3477         if ((retval = parsequirks(value, &quirks)) == 0)
3478                 setquirk(class, name, quirks);
3479         return (retval);
3480 }
3481
3482 void
3483 setup_quirks(void)
3484 {
3485         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
3486         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
3487         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
3488         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
3489         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3490         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
3491         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3492         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3493         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3494         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
3495         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
3496         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
3497 }
3498
3499 /* conf file stuff */
3500 #define SWM_CONF_FILE   "scrotwm.conf"
3501
3502 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
3503           SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT, SWM_S_CYCLE_EMPTY,
3504           SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH,
3505           SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED,
3506           SWM_S_FOCUS_MODE, SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM,
3507           SWM_S_SS_APP, SWM_S_DIALOG_RATIO
3508         };
3509
3510 int
3511 setconfvalue(char *selector, char *value, int flags)
3512 {
3513         switch (flags) {
3514         case SWM_S_BAR_DELAY:
3515                 bar_delay = atoi(value);
3516                 break;
3517         case SWM_S_BAR_ENABLED:
3518                 bar_enabled = atoi(value);
3519                 break;
3520         case SWM_S_STACK_ENABLED:
3521                 stack_enabled = atoi(value);
3522                 break;
3523         case SWM_S_CLOCK_ENABLED:
3524                 clock_enabled = atoi(value);
3525                 break;
3526         case SWM_S_CLOCK_FORMAT:
3527 #ifndef SWM_DENY_CLOCK_FORMAT
3528                 free(clock_format);
3529                 if ((clock_format = strdup(value)) == NULL)
3530                         err(1, "setconfvalue: clock_format");
3531 #endif
3532                 break;
3533         case SWM_S_CYCLE_EMPTY:
3534                 cycle_empty = atoi(value);
3535                 break;
3536         case SWM_S_CYCLE_VISIBLE:
3537                 cycle_visible = atoi(value);
3538                 break;
3539         case SWM_S_SS_ENABLED:
3540                 ss_enabled = atoi(value);
3541                 break;
3542         case SWM_S_TERM_WIDTH:
3543                 term_width = atoi(value);
3544                 break;
3545         case SWM_S_TITLE_CLASS_ENABLED:
3546                 title_class_enabled = atoi(value);
3547                 break;
3548         case SWM_S_TITLE_NAME_ENABLED:
3549                 title_name_enabled = atoi(value);
3550                 break;
3551         case SWM_S_FOCUS_MODE:
3552                 if (!strcmp(value, "default"))
3553                         focus_mode = SWM_FOCUS_DEFAULT;
3554                 else if (!strcmp(value, "follow_cursor"))
3555                         focus_mode = SWM_FOCUS_FOLLOW;
3556                 else if (!strcmp(value, "synergy"))
3557                         focus_mode = SWM_FOCUS_SYNERGY;
3558                 else
3559                         err(1, "focus_mode");
3560                 break;
3561         case SWM_S_BAR_FONT:
3562                 free(bar_fonts[0]);
3563                 if ((bar_fonts[0] = strdup(value)) == NULL)
3564                         err(1, "setconfvalue: bar_font");
3565                 break;
3566         case SWM_S_BAR_ACTION:
3567                 free(bar_argv[0]);
3568                 if ((bar_argv[0] = strdup(value)) == NULL)
3569                         err(1, "setconfvalue: bar_action");
3570                 break;
3571         case SWM_S_SPAWN_TERM:
3572                 free(spawn_term[0]);
3573                 if ((spawn_term[0] = strdup(value)) == NULL)
3574                         err(1, "setconfvalue: spawn_term");
3575                 break;
3576         case SWM_S_SS_APP:
3577                 break;
3578         case SWM_S_DIALOG_RATIO:
3579                 dialog_ratio = atof(value);
3580                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3581                         dialog_ratio = .6;
3582                 break;
3583         default:
3584                 return (1);
3585         }
3586         return (0);
3587 }
3588
3589 int
3590 setconfmodkey(char *selector, char *value, int flags)
3591 {
3592         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3593                 update_modkey(Mod1Mask);
3594         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3595                 update_modkey(Mod2Mask);
3596         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3597                 update_modkey(Mod3Mask);
3598         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3599                 update_modkey(Mod4Mask);
3600         else
3601                 return (1);
3602         return (0);
3603 }
3604
3605 int
3606 setconfcolor(char *selector, char *value, int flags)
3607 {
3608         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3609         return (0);
3610 }
3611
3612 int
3613 setconfregion(char *selector, char *value, int flags)
3614 {
3615         custom_region(value);
3616         return (0);
3617 }
3618
3619 /* config options */
3620 struct config_option {
3621         char                    *optname;
3622         int (*func)(char*, char*, int);
3623         int funcflags;
3624 };
3625 struct config_option configopt[] = {
3626         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3627         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3628         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3629         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3630         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3631         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3632         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3633         { "bind",                       setconfbinding, 0 },
3634         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
3635         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3636         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
3637         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3638         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3639         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3640         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3641         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3642         { "modkey",                     setconfmodkey,  0 },
3643         { "program",                    setconfspawn,   0 },
3644         { "quirk",                      setconfquirk,   0 },
3645         { "region",                     setconfregion,  0 },
3646         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3647         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3648         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3649         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3650         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3651         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
3652         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
3653 };
3654
3655
3656 int
3657 conf_load(char *filename)
3658 {
3659         FILE                    *config;
3660         char                    *line, *cp, *optsub, *optval;
3661         size_t                  linelen, lineno = 0;
3662         int                     wordlen, i, optind;
3663         struct config_option    *opt;
3664
3665         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3666
3667         if (filename == NULL) {
3668                 fprintf(stderr, "conf_load: no filename\n");
3669                 return (1);
3670         }
3671         if ((config = fopen(filename, "r")) == NULL) {
3672                 warn("conf_load: fopen");
3673                 return (1);
3674         }
3675
3676         while (!feof(config)) {
3677                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3678                     == NULL) {
3679                         if (ferror(config))
3680                                 err(1, "%s", filename);
3681                         else
3682                                 continue;
3683                 }
3684                 cp = line;
3685                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3686                 if (cp[0] == '\0') {
3687                         /* empty line */
3688                         free(line);
3689                         continue;
3690                 }
3691                 /* get config option */
3692                 wordlen = strcspn(cp, "=[ \t\n");
3693                 if (wordlen == 0) {
3694                         warnx("%s: line %zd: no option found",
3695                             filename, lineno);
3696                         return (1);
3697                 }
3698                 optind = -1;
3699                 for (i = 0; i < LENGTH(configopt); i++) {
3700                         opt = &configopt[i];
3701                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3702                             strlen(opt->optname) == wordlen) {
3703                                 optind = i;
3704                                 break;
3705                         }
3706                 }
3707                 if (optind == -1) {
3708                         warnx("%s: line %zd: unknown option %.*s",
3709                             filename, lineno, wordlen, cp);
3710                         return (1);
3711                 }
3712                 cp += wordlen;
3713                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3714                 /* get [selector] if any */
3715                 optsub = NULL;
3716                 if (*cp == '[') {
3717                         cp++;
3718                         wordlen = strcspn(cp, "]");
3719                         if (*cp != ']') {
3720                                 if (wordlen == 0) {
3721                                         warnx("%s: line %zd: syntax error",
3722                                             filename, lineno);
3723                                         return (1);
3724                                 }
3725                                 asprintf(&optsub, "%.*s", wordlen, cp);
3726                         }
3727                         cp += wordlen;
3728                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3729                 }
3730                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3731                 /* get RHS value */
3732                 optval = strdup(cp);
3733                 /* call function to deal with it all */
3734                 if (configopt[optind].func(optsub, optval,
3735                     configopt[optind].funcflags) != 0) {
3736                         fprintf(stderr, "%s line %zd: %s\n",
3737                             filename, lineno, line);
3738                         errx(1, "%s: line %zd: invalid data for %s",
3739                             filename, lineno, configopt[optind].optname);
3740                 }
3741                 free(optval);
3742                 free(optsub);
3743                 free(line);
3744         }
3745
3746         fclose(config);
3747         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3748
3749         return (0);
3750 }
3751
3752 void
3753 set_child_transient(struct ws_win *win)
3754 {
3755         struct ws_win           *parent;
3756
3757         parent = find_window(win->transient);
3758         if (parent)
3759                 parent->child_trans = win;
3760 }
3761
3762 struct ws_win *
3763 manage_window(Window id)
3764 {
3765         Window                  trans = 0;
3766         struct workspace        *ws;
3767         struct ws_win           *win, *ww;
3768         int                     format, i, ws_idx, n, border_me = 0;
3769         unsigned long           nitems, bytes;
3770         Atom                    ws_idx_atom = 0, type;
3771         Atom                    *prot = NULL, *pp;
3772         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3773         struct swm_region       *r;
3774         long                    mask;
3775         const char              *errstr;
3776         XWindowChanges          wc;
3777
3778         if ((win = find_window(id)) != NULL)
3779                 return (win);   /* already being managed */
3780
3781         /* see if we are on the unmanaged list */
3782         if ((win = find_unmanaged_window(id)) != NULL) {
3783                 DNPRINTF(SWM_D_MISC, "manage previously unmanaged window "
3784                     "%lu\n", win->id);
3785                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3786                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
3787                 if (win->transient)
3788                         set_child_transient(win);
3789                 return (win);
3790         }
3791
3792         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3793                 errx(1, "calloc: failed to allocate memory for new window");
3794
3795         /* Get all the window data in one shot */
3796         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3797         if (ws_idx_atom)
3798                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3799                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3800         XGetWindowAttributes(display, id, &win->wa);
3801         XGetWMNormalHints(display, id, &win->sh, &mask);
3802         XGetTransientForHint(display, id, &trans);
3803         if (trans) {
3804                 win->transient = trans;
3805                 set_child_transient(win);
3806                 DNPRINTF(SWM_D_MISC, "manage_window: win %lu transient %lu\n",
3807                     win->id, win->transient);
3808         }
3809         /* get supported protocols */
3810         if (XGetWMProtocols(display, id, &prot, &n)) {
3811                 for (i = 0, pp = prot; i < n; i++, pp++) {
3812                         if (*pp == takefocus)
3813                                 win->take_focus = 1;
3814                         if (*pp == adelete)
3815                                 win->can_delete = 1;
3816                 }
3817                 if (prot)
3818                         XFree(prot);
3819         }
3820
3821         /*
3822          * Figure out where to put the window. If it was previously assigned to
3823          * a workspace (either by spawn() or manually moving), and isn't
3824          * transient, * put it in the same workspace
3825          */
3826         r = root_to_region(win->wa.root);
3827         if (prop && win->transient == 0) {
3828                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3829                 ws_idx = strtonum(prop, 0, 9, &errstr);
3830                 if (errstr) {
3831                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3832                             errstr, prop);
3833                 }
3834                 ws = &r->s->ws[ws_idx];
3835         } else {
3836                 ws = r->ws;
3837                 /* this should launch transients in the same ws as parent */
3838                 if (id && trans)
3839                         if ((ww = find_window(trans)) != NULL)
3840                                 if (ws->r) {
3841                                         ws = ww->ws;
3842                                         if (ww->ws->r)
3843                                                 r = ww->ws->r;
3844                                         else
3845                                                 fprintf(stderr,
3846                                                     "fix this bug mcbride\n");
3847                                         border_me = 1;
3848                                 }
3849         }
3850
3851         /* set up the window layout */
3852         win->id = id;
3853         win->ws = ws;
3854         win->s = r->s;  /* this never changes */
3855         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3856
3857         win->g.w = win->wa.width;
3858         win->g.h = win->wa.height;
3859         win->g.x = win->wa.x;
3860         win->g.y = win->wa.y;
3861         win->g_floatvalid = 0;
3862         win->floatmaxed = 0;
3863
3864         /* Set window properties so we can remember this after reincarnation */
3865         if (ws_idx_atom && prop == NULL &&
3866             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3867                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3868                     ws_idx_str);
3869                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3870                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3871         }
3872         XFree(prop);
3873
3874         if (XGetClassHint(display, win->id, &win->ch)) {
3875                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3876                     win->ch.res_class, win->ch.res_name);
3877
3878                 /* java is retarded so treat it special */
3879                 if (strstr(win->ch.res_name, "sun-awt")) {
3880                         win->java = 1;
3881                         border_me = 1;
3882                 }
3883
3884                 for (i = 0; i < quirks_length; i++){
3885                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3886                             !strcmp(win->ch.res_name, quirks[i].name)) {
3887                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3888                                     win->ch.res_class, win->ch.res_name);
3889                                 if (quirks[i].quirk & SWM_Q_FLOAT) {
3890                                         win->floating = 1;
3891                                         border_me = 1;
3892                                 }
3893                                 win->quirks = quirks[i].quirk;
3894                         }
3895                 }
3896         }
3897
3898         /* alter window position if quirky */
3899         if (win->quirks & SWM_Q_ANYWHERE) {
3900                 win->manual = 1; /* don't center the quirky windows */
3901                 bzero(&wc, sizeof wc);
3902                 mask = 0;
3903                 if (win->g.y < bar_height) {
3904                         win->g.y = wc.y = bar_height;
3905                         mask |= CWY;
3906                 }
3907                 if (win->g.w + win->g.x > WIDTH(r)) {
3908                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3909                         mask |= CWX;
3910                 }
3911                 border_me = 1;
3912         }
3913
3914         /* Reset font sizes (the bruteforce way; no default keybinding). */
3915         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3916                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3917                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3918                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3919                         fake_keypress(win, XK_KP_Add, ShiftMask);
3920         }
3921
3922         /* border me */
3923         if (border_me) {
3924                 bzero(&wc, sizeof wc);
3925                 wc.border_width = 1;
3926                 mask = CWBorderWidth;
3927                 XConfigureWindow(display, win->id, mask, &wc);
3928                 configreq_win(win);
3929         }
3930
3931         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3932             PropertyChangeMask | StructureNotifyMask);
3933
3934         set_win_state(win, NormalState);
3935
3936         /* floaters need to be mapped if they are in the current workspace */
3937         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3938                 XMapRaised(display, win->id);
3939
3940         return (win);
3941 }
3942
3943 void
3944 free_window(struct ws_win *win)
3945 {
3946         DNPRINTF(SWM_D_MISC, "free_window:  %lu\n", win->id);
3947
3948         if (win == NULL)
3949                 return;
3950
3951         /* needed for restart wm */
3952         set_win_state(win, WithdrawnState);
3953
3954         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
3955
3956         if (win->ch.res_class)
3957                 XFree(win->ch.res_class);
3958         if (win->ch.res_name)
3959                 XFree(win->ch.res_name);
3960
3961         kill_refs(win);
3962
3963         /* paint memory */
3964         memset(win, 0xff, sizeof *win); /* XXX kill later */
3965
3966         free(win);
3967 }
3968
3969 void
3970 unmanage_window(struct ws_win *win)
3971 {
3972         struct ws_win           *parent;
3973
3974         if (win == NULL)
3975                 return;
3976
3977         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3978
3979         if (win->transient) {
3980                 parent = find_window(win->transient);
3981                 if (parent)
3982                         parent->child_trans = NULL;
3983         }
3984
3985         /* work around for mplayer going full screen */
3986         if (!win->floating)
3987                 focus_prev(win);
3988
3989         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3990         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
3991
3992         kill_refs(win);
3993 }
3994
3995 void
3996 focus_magic(struct ws_win *win, int do_trans)
3997 {
3998         DNPRINTF(SWM_D_FOCUS, "focus_magic: %lu %d\n", WINID(win), do_trans);
3999
4000         if (win == NULL)
4001                 return;
4002
4003         if (do_trans == SWM_F_TRANSIENT && win->child_trans) {
4004                 /* win = parent & has a transient so focus on that */
4005                 if (win->java) {
4006                         focus_win(win->child_trans);
4007                         if (win->child_trans->take_focus)
4008                                 client_msg(win, takefocus);
4009                 } else {
4010                         focus_win(win->child_trans);
4011                         if (win->child_trans->take_focus)
4012                                 client_msg(win->child_trans, takefocus);
4013                 }
4014         } else {
4015                 /* regular focus */
4016                 focus_win(win);
4017                 if (win->take_focus)
4018                         client_msg(win, takefocus);
4019         }
4020 }
4021
4022 void
4023 expose(XEvent *e)
4024 {
4025         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
4026 }
4027
4028 void
4029 keypress(XEvent *e)
4030 {
4031         unsigned int            i;
4032         KeySym                  keysym;
4033         XKeyEvent               *ev = &e->xkey;
4034
4035         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
4036
4037         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
4038         for (i = 0; i < keys_length; i++)
4039                 if (keysym == keys[i].keysym
4040                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
4041                    && keyfuncs[keys[i].funcid].func) {
4042                         if (keys[i].funcid == kf_spawn_custom)
4043                                 spawn_custom(
4044                                     root_to_region(ev->root),
4045                                     &(keyfuncs[keys[i].funcid].args),
4046                                     keys[i].spawn_name
4047                                     );
4048                         else
4049                                 keyfuncs[keys[i].funcid].func(
4050                                     root_to_region(ev->root),
4051                                     &(keyfuncs[keys[i].funcid].args)
4052                                     );
4053                 }
4054 }
4055
4056 void
4057 buttonpress(XEvent *e)
4058 {
4059         struct ws_win           *win;
4060         int                     i, action;
4061         XButtonPressedEvent     *ev = &e->xbutton;
4062
4063         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
4064
4065         action = root_click;
4066         if ((win = find_window(ev->window)) == NULL)
4067                 return;
4068
4069         focus_magic(win, SWM_F_TRANSIENT);
4070         action = client_click;
4071
4072         for (i = 0; i < LENGTH(buttons); i++)
4073                 if (action == buttons[i].action && buttons[i].func &&
4074                     buttons[i].button == ev->button &&
4075                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
4076                         buttons[i].func(win, &buttons[i].args);
4077 }
4078
4079 void
4080 configurerequest(XEvent *e)
4081 {
4082         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
4083         struct ws_win           *win;
4084         int                     new = 0;
4085         XWindowChanges          wc;
4086
4087         if ((win = find_window(ev->window)) == NULL)
4088                 if ((win = find_unmanaged_window(ev->window)) == NULL)
4089                         new = 1;
4090
4091         if (new) {
4092                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
4093                     ev->window);
4094                 bzero(&wc, sizeof wc);
4095                 wc.x = ev->x;
4096                 wc.y = ev->y;
4097                 wc.width = ev->width;
4098                 wc.height = ev->height;
4099                 wc.border_width = ev->border_width;
4100                 wc.sibling = ev->above;
4101                 wc.stack_mode = ev->detail;
4102                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
4103         } else {
4104                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
4105                     ev->window);
4106                 if (win->floating) {
4107                         if (ev->value_mask & CWX)
4108                                 win->g.x = ev->x;
4109                         if (ev->value_mask & CWY)
4110                                 win->g.y = ev->y;
4111                         if (ev->value_mask & CWWidth)
4112                                 win->g.w = ev->width;
4113                         if (ev->value_mask & CWHeight)
4114                                 win->g.h = ev->height;
4115                 }
4116                 config_win(win);
4117         }
4118 }
4119
4120 void
4121 configurenotify(XEvent *e)
4122 {
4123         struct ws_win           *win;
4124         long                    mask;
4125
4126         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
4127             e->xconfigure.window);
4128
4129         win = find_window(e->xconfigure.window);
4130         if (win) {
4131                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
4132                 adjust_font(win);
4133                 if (font_adjusted)
4134                         stack();
4135         }
4136 }
4137
4138 void
4139 destroynotify(XEvent *e)
4140 {
4141         struct ws_win           *win;
4142         XDestroyWindowEvent     *ev = &e->xdestroywindow;
4143
4144         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
4145
4146         if ((win = find_window(ev->window)) == NULL) {
4147                 if ((win = find_unmanaged_window(ev->window)) == NULL)
4148                         return;
4149                 free_window(win);
4150                 return;
4151         }
4152
4153         /* make sure we focus on something */
4154         win->floating = 0;
4155
4156         unmanage_window(win);
4157         stack();
4158         free_window(win);
4159 }
4160
4161 void
4162 enternotify(XEvent *e)
4163 {
4164         XCrossingEvent          *ev = &e->xcrossing;
4165         XEvent                  cne;
4166         struct ws_win           *win;
4167 #if 0
4168         struct ws_win           *w;
4169         Window                  focus_return;
4170         int                     revert_to_return;
4171 #endif
4172         DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
4173             "%lu subwindow %lu same_screen %d focus %d state %d\n",
4174             ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
4175             ev->same_screen, ev->focus, ev->state);
4176
4177         switch (focus_mode) {
4178         case SWM_FOCUS_DEFAULT:
4179                 if (QLength(display)) {
4180                         DNPRINTF(SWM_D_EVENT, "ignore enternotify %d\n",
4181                             QLength(display));
4182                         return;
4183                 }
4184                 break;
4185         case SWM_FOCUS_FOLLOW:
4186                 break;
4187         case SWM_FOCUS_SYNERGY:
4188 #if 0
4189         /*
4190          * all these checks need to be in this order because the
4191          * XCheckTypedWindowEvent relies on weeding out the previous events
4192          *
4193          * making this code an option would enable a follow mouse for focus
4194          * feature
4195          */
4196
4197         /*
4198          * state is set when we are switching workspaces and focus is set when
4199          * the window or a subwindow already has focus (occurs during restart).
4200          *
4201          * Only honor the focus flag if last_focus_event is not FocusOut,
4202          * this allows scrotwm to continue to control focus when another
4203          * program is also playing with it.
4204          */
4205         if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
4206                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
4207                 return;
4208         }
4209
4210         /*
4211          * happens when a window is created or destroyed and the border
4212          * crosses the mouse pointer and when switching ws
4213          *
4214          * we need the subwindow test to see if we came from root in order
4215          * to give focus to floaters
4216          */
4217         if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
4218             ev->subwindow == 0) {
4219                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
4220                 return;
4221         }
4222
4223         /* this window already has focus */
4224         if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
4225                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
4226                 return;
4227         }
4228
4229         /* this window is being deleted or moved to another ws */
4230         if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
4231             &cne) == True) {
4232                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
4233                 XPutBackEvent(display, &cne);
4234                 return;
4235         }
4236
4237         if ((win = find_window(ev->window)) == NULL) {
4238                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
4239                 return;
4240         }
4241
4242         /*
4243          * In fullstack kill all enters unless they come from a different ws
4244          * (i.e. another region) or focus has been grabbed externally.
4245          */
4246         if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
4247             last_focus_event != FocusOut) {
4248                 XGetInputFocus(display, &focus_return, &revert_to_return);
4249                 if ((w = find_window(focus_return)) == NULL ||
4250                     w->ws == win->ws) {
4251                         DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
4252                         return;
4253                 }
4254         }
4255 #endif
4256                 break;
4257         }
4258
4259         if ((win = find_window(ev->window)) == NULL) {
4260                 DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
4261                 return;
4262         }
4263
4264         /*
4265          * if we have more enternotifies let them handle it in due time
4266          */
4267         if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
4268                 DNPRINTF(SWM_D_EVENT,
4269                     "ignoring enternotify: got more enternotify\n");
4270                 XPutBackEvent(display, &cne);
4271                 return;
4272         }
4273
4274         focus_magic(win, SWM_F_TRANSIENT);
4275 }
4276
4277 /* lets us use one switch statement for arbitrary mode/detail combinations */
4278 #define MERGE_MEMBERS(a,b)      (((a & 0xffff) << 16) | (b & 0xffff))
4279
4280 void
4281 focusevent(XEvent *e)
4282 {
4283 #if 0
4284         struct ws_win           *win;
4285         u_int32_t               mode_detail;
4286         XFocusChangeEvent       *ev = &e->xfocus;
4287
4288         DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
4289             ev->type == FocusIn ? "entering" : "leaving",
4290             ev->window, ev->mode, ev->detail);
4291
4292         if (last_focus_event == ev->type) {
4293                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
4294                 return;
4295         }
4296
4297         last_focus_event = ev->type;
4298         mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
4299
4300         switch (mode_detail) {
4301         /* synergy client focus operations */
4302         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
4303         case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
4304
4305         /* synergy server focus operations */
4306         case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
4307
4308         /* Entering applications like rdesktop that mangle the pointer */
4309         case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
4310
4311                 if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
4312                         XSetWindowBorder(display, win->id,
4313                             win->ws->r->s->c[ev->type == FocusIn ?
4314                             SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
4315                 break;
4316         default:
4317                 fprintf(stderr, "ignoring focusevent\n");
4318                 DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
4319                 break;
4320         }
4321 #endif
4322 }
4323
4324 void
4325 mapnotify(XEvent *e)
4326 {
4327         struct ws_win           *win;
4328         XMapEvent               *ev = &e->xmap;
4329
4330         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
4331
4332         win = manage_window(ev->window);
4333         if (win)
4334                 set_win_state(win, NormalState);
4335 }
4336
4337 void
4338 mappingnotify(XEvent *e)
4339 {
4340         XMappingEvent           *ev = &e->xmapping;
4341
4342         XRefreshKeyboardMapping(ev);
4343         if (ev->request == MappingKeyboard)
4344                 grabkeys();
4345 }
4346
4347 void
4348 maprequest(XEvent *e)
4349 {
4350         struct ws_win           *win;
4351         struct swm_region       *r;
4352         XWindowAttributes       wa;
4353         XMapRequestEvent        *ev = &e->xmaprequest;
4354
4355         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
4356             e->xmaprequest.window);
4357
4358         if (!XGetWindowAttributes(display, ev->window, &wa))
4359                 return;
4360         if (wa.override_redirect)
4361                 return;
4362
4363         win = manage_window(e->xmaprequest.window);
4364         if (win == NULL)
4365                 return; /* can't happen */
4366
4367         stack();
4368
4369         /* make new win focused */
4370         r = root_to_region(win->wa.root);
4371         if (win->ws == r->ws)
4372                 focus_magic(win, SWM_F_GENERIC);
4373 }
4374
4375 void
4376 propertynotify(XEvent *e)
4377 {
4378         struct ws_win           *win;
4379         XPropertyEvent          *ev = &e->xproperty;
4380
4381         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
4382             ev->window);
4383
4384         if (ev->state == PropertyDelete)
4385                 return; /* ignore */
4386         win = find_window(ev->window);
4387         if (win == NULL)
4388                 return;
4389
4390         switch (ev->atom) {
4391         case XA_WM_NORMAL_HINTS:
4392 #if 0
4393                 long            mask;
4394                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
4395                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
4396                 if (win->sh.flags & PMinSize) {
4397                         win->g.w = win->sh.min_width;
4398                         win->g.h = win->sh.min_height;
4399                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
4400                 }
4401                 XMoveResizeWindow(display, win->id,
4402                     win->g.x, win->g.y, win->g.w, win->g.h);
4403 #endif
4404                 break;
4405         default:
4406                 break;
4407         }
4408 }
4409
4410 void
4411 unmapnotify(XEvent *e)
4412 {
4413         struct ws_win           *win;
4414
4415         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
4416
4417         /* determine if we need to help unmanage this window */
4418         win = find_window(e->xunmap.window);
4419         if (win == NULL)
4420                 return;
4421
4422         if (getstate(e->xunmap.window) == NormalState) {
4423                 unmanage_window(win);
4424                 stack();
4425         }
4426 }
4427
4428 void
4429 visibilitynotify(XEvent *e)
4430 {
4431         int                     i;
4432         struct swm_region       *r;
4433
4434         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
4435             e->xvisibility.window);
4436         if (e->xvisibility.state == VisibilityUnobscured)
4437                 for (i = 0; i < ScreenCount(display); i++)
4438                         TAILQ_FOREACH(r, &screens[i].rl, entry)
4439                                 if (e->xvisibility.window == r->bar_window)
4440                                         bar_update();
4441 }
4442
4443 int
4444 xerror_start(Display *d, XErrorEvent *ee)
4445 {
4446         other_wm = 1;
4447         return (-1);
4448 }
4449
4450 int
4451 xerror(Display *d, XErrorEvent *ee)
4452 {
4453         /* fprintf(stderr, "error: %p %p\n", display, ee); */
4454         return (-1);
4455 }
4456
4457 int
4458 active_wm(void)
4459 {
4460         other_wm = 0;
4461         xerrorxlib = XSetErrorHandler(xerror_start);
4462
4463         /* this causes an error if some other window manager is running */
4464         XSelectInput(display, DefaultRootWindow(display),
4465             SubstructureRedirectMask);
4466         XSync(display, False);
4467         if (other_wm)
4468                 return (1);
4469
4470         XSetErrorHandler(xerror);
4471         XSync(display, False);
4472         return (0);
4473 }
4474
4475 void
4476 new_region(struct swm_screen *s, int x, int y, int w, int h)
4477 {
4478         struct swm_region       *r, *n;
4479         struct workspace        *ws = NULL;
4480         int                     i;
4481
4482         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
4483              s->idx, w, h, x, y);
4484
4485         /* remove any conflicting regions */
4486         n = TAILQ_FIRST(&s->rl);
4487         while (n) {
4488                 r = n;
4489                 n = TAILQ_NEXT(r, entry);
4490                 if (X(r) < (x + w) &&
4491                     (X(r) + WIDTH(r)) > x &&
4492                     Y(r) < (y + h) &&
4493                     (Y(r) + HEIGHT(r)) > y) {
4494                         if (r->ws->r != NULL)
4495                                 r->ws->old_r = r->ws->r;
4496                         r->ws->r = NULL;
4497                         XDestroyWindow(display, r->bar_window);
4498                         TAILQ_REMOVE(&s->rl, r, entry);
4499                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
4500                 }
4501         }
4502
4503         /* search old regions for one to reuse */
4504
4505         /* size + location match */
4506         TAILQ_FOREACH(r, &s->orl, entry)
4507                 if (X(r) == x && Y(r) == y &&
4508                     HEIGHT(r) == h && WIDTH(r) == w)
4509                         break;
4510
4511         /* size match */
4512         TAILQ_FOREACH(r, &s->orl, entry)
4513                 if (HEIGHT(r) == h && WIDTH(r) == w)
4514                         break;
4515
4516         if (r != NULL) {
4517                 TAILQ_REMOVE(&s->orl, r, entry);
4518                 /* try to use old region's workspace */
4519                 if (r->ws->r == NULL)
4520                         ws = r->ws;
4521         } else
4522                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
4523                         errx(1, "calloc: failed to allocate memory for screen");
4524
4525         /* if we don't have a workspace already, find one */
4526         if (ws == NULL) {
4527                 for (i = 0; i < SWM_WS_MAX; i++)
4528                         if (s->ws[i].r == NULL) {
4529                                 ws = &s->ws[i];
4530                                 break;
4531                         }
4532         }
4533
4534         if (ws == NULL)
4535                 errx(1, "no free workspaces\n");
4536
4537         X(r) = x;
4538         Y(r) = y;
4539         WIDTH(r) = w;
4540         HEIGHT(r) = h;
4541         r->s = s;
4542         r->ws = ws;
4543         r->ws_prior = NULL;
4544         ws->r = r;
4545         TAILQ_INSERT_TAIL(&s->rl, r, entry);
4546 }
4547
4548 void
4549 scan_xrandr(int i)
4550 {
4551 #ifdef SWM_XRR_HAS_CRTC
4552         XRRCrtcInfo             *ci;
4553         XRRScreenResources      *sr;
4554         int                     c;
4555         int                     ncrtc = 0;
4556 #endif /* SWM_XRR_HAS_CRTC */
4557         struct swm_region       *r;
4558
4559
4560         if (i >= ScreenCount(display))
4561                 errx(1, "invalid screen");
4562
4563         /* remove any old regions */
4564         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
4565                 r->ws->old_r = r->ws->r = NULL;
4566                 XDestroyWindow(display, r->bar_window);
4567                 TAILQ_REMOVE(&screens[i].rl, r, entry);
4568                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
4569         }
4570
4571         /* map virtual screens onto physical screens */
4572 #ifdef SWM_XRR_HAS_CRTC
4573         outputs = 0;
4574         if (xrandr_support) {
4575                 sr = XRRGetScreenResources(display, screens[i].root);
4576                 if (sr == NULL)
4577                         new_region(&screens[i], 0, 0,
4578                             DisplayWidth(display, i),
4579                             DisplayHeight(display, i));
4580                 else
4581                         ncrtc = sr->ncrtc;
4582
4583                 for (c = 0, ci = NULL; c < ncrtc; c++) {
4584                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
4585                         if (ci->noutput == 0)
4586                                 continue;
4587                         outputs++;
4588
4589                         if (ci != NULL && ci->mode == None)
4590                                 new_region(&screens[i], 0, 0,
4591                                     DisplayWidth(display, i),
4592                                     DisplayHeight(display, i));
4593                         else
4594                                 new_region(&screens[i],
4595                                     ci->x, ci->y, ci->width, ci->height);
4596                 }
4597                 if (ci)
4598                         XRRFreeCrtcInfo(ci);
4599                 XRRFreeScreenResources(sr);
4600         } else
4601 #endif /* SWM_XRR_HAS_CRTC */
4602         {
4603                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
4604                     DisplayHeight(display, i));
4605         }
4606 }
4607
4608 void
4609 screenchange(XEvent *e) {
4610         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
4611         struct swm_region               *r;
4612         int                             i;
4613
4614         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
4615
4616         if (!XRRUpdateConfiguration(e))
4617                 return;
4618
4619         /* silly event doesn't include the screen index */
4620         for (i = 0; i < ScreenCount(display); i++)
4621                 if (screens[i].root == xe->root)
4622                         break;
4623         if (i >= ScreenCount(display))
4624                 errx(1, "screenchange: screen not found\n");
4625
4626         /* brute force for now, just re-enumerate the regions */
4627         scan_xrandr(i);
4628
4629         /* add bars to all regions */
4630         for (i = 0; i < ScreenCount(display); i++)
4631                 TAILQ_FOREACH(r, &screens[i].rl, entry)
4632                         bar_setup(r);
4633         stack();
4634 }
4635
4636 void
4637 setup_screens(void)
4638 {
4639         Window                  d1, d2, *wins = NULL;
4640         XWindowAttributes       wa;
4641         unsigned int            no;
4642         int                     i, j, k;
4643         int                     errorbase, major, minor;
4644         struct workspace        *ws;
4645         int                     ws_idx_atom;
4646         long                    state, manage;
4647
4648         if ((screens = calloc(ScreenCount(display),
4649              sizeof(struct swm_screen))) == NULL)
4650                 errx(1, "calloc: screens");
4651
4652         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
4653
4654         /* initial Xrandr setup */
4655         xrandr_support = XRRQueryExtension(display,
4656             &xrandr_eventbase, &errorbase);
4657         if (xrandr_support)
4658                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
4659                         xrandr_support = 0;
4660
4661         /* map physical screens */
4662         for (i = 0; i < ScreenCount(display); i++) {
4663                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
4664                 screens[i].idx = i;
4665                 TAILQ_INIT(&screens[i].rl);
4666                 TAILQ_INIT(&screens[i].orl);
4667                 screens[i].root = RootWindow(display, i);
4668
4669                 /* set default colors */
4670                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
4671                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
4672                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
4673                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
4674                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
4675
4676                 /* set default cursor */
4677                 XDefineCursor(display, screens[i].root,
4678                     XCreateFontCursor(display, XC_left_ptr));
4679
4680                 /* init all workspaces */
4681                 /* XXX these should be dynamically allocated too */
4682                 for (j = 0; j < SWM_WS_MAX; j++) {
4683                         ws = &screens[i].ws[j];
4684                         ws->idx = j;
4685                         ws->focus = NULL;
4686                         ws->r = NULL;
4687                         ws->old_r = NULL;
4688                         TAILQ_INIT(&ws->winlist);
4689                         TAILQ_INIT(&ws->unmanagedlist);
4690
4691                         for (k = 0; layouts[k].l_stack != NULL; k++)
4692                                 if (layouts[k].l_config != NULL)
4693                                         layouts[k].l_config(ws,
4694                                             SWM_ARG_ID_STACKINIT);
4695                         ws->cur_layout = &layouts[0];
4696                 }
4697                 /* grab existing windows (before we build the bars)*/
4698                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4699                         continue;
4700
4701                 scan_xrandr(i);
4702
4703                 if (xrandr_support)
4704                         XRRSelectInput(display, screens[i].root,
4705                             RRScreenChangeNotifyMask);
4706
4707                 /* attach windows to a region */
4708                 /* normal windows */
4709                 for (j = 0; j < no; j++) {
4710                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4711                             wa.override_redirect ||
4712                             XGetTransientForHint(display, wins[j], &d1))
4713                                 continue;
4714
4715                         state = getstate(wins[j]);
4716                         manage = state == IconicState;
4717                         if (wa.map_state == IsViewable || manage)
4718                                 manage_window(wins[j]);
4719                 }
4720                 /* transient windows */
4721                 for (j = 0; j < no; j++) {
4722                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4723                             wa.override_redirect)
4724                                 continue;
4725
4726                         state = getstate(wins[j]);
4727                         manage = state == IconicState;
4728                         if (XGetTransientForHint(display, wins[j], &d1) &&
4729                             manage)
4730                                 manage_window(wins[j]);
4731                 }
4732                 if (wins) {
4733                         XFree(wins);
4734                         wins = NULL;
4735                 }
4736         }
4737 }
4738
4739 void
4740 setup_globals(void)
4741 {
4742         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4743             == NULL)
4744                 err(1, "setup_globals: strdup");
4745         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4746             == NULL)
4747                 err(1, "setup_globals: strdup");
4748         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4749             == NULL)
4750                 err(1, "setup_globals: strdup");
4751         if ((spawn_term[0] = strdup("xterm")) == NULL)
4752                 err(1, "setup_globals: strdup");
4753         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
4754                 errx(1, "strdup");
4755 }
4756
4757 void
4758 workaround(void)
4759 {
4760         int                     i;
4761         Atom                    netwmcheck, netwmname, utf8_string;
4762         Window                  root;
4763
4764         /* work around sun jdk bugs, code from wmname */
4765         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4766         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4767         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4768         for (i = 0; i < ScreenCount(display); i++) {
4769                 root = screens[i].root;
4770                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4771                     PropModeReplace, (unsigned char *)&root, 1);
4772                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4773                     PropModeReplace, "LG3D", strlen("LG3D"));
4774         }
4775 }
4776
4777 int
4778 main(int argc, char *argv[])
4779 {
4780         struct passwd           *pwd;
4781         struct swm_region       *r, *rr;
4782         struct ws_win           *winfocus = NULL;
4783         struct timeval          tv;
4784         union arg               a;
4785         char                    conf[PATH_MAX], *cfile = NULL;
4786         struct stat             sb;
4787         XEvent                  e;
4788         int                     xfd, i;
4789         fd_set                  rd;
4790
4791         start_argv = argv;
4792         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4793             SWM_VERSION, cvstag);
4794         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4795                 warnx("no locale support");
4796
4797         if (!(display = XOpenDisplay(0)))
4798                 errx(1, "can not open display");
4799
4800         if (active_wm())
4801                 errx(1, "other wm running");
4802
4803         /* handle some signale */
4804         installsignal(SIGINT, "INT");
4805         installsignal(SIGHUP, "HUP");
4806         installsignal(SIGQUIT, "QUIT");
4807         installsignal(SIGTERM, "TERM");
4808         installsignal(SIGCHLD, "CHLD");
4809
4810         astate = XInternAtom(display, "WM_STATE", False);
4811         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4812         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4813         takefocus = XInternAtom(display, "WM_TAKE_FOCUS", False);
4814
4815         /* look for local and global conf file */
4816         pwd = getpwuid(getuid());
4817         if (pwd == NULL)
4818                 errx(1, "invalid user %d", getuid());
4819
4820         setup_screens();
4821         setup_globals();
4822         setup_keys();
4823         setup_quirks();
4824         setup_spawn();
4825
4826         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4827         if (stat(conf, &sb) != -1) {
4828                 if (S_ISREG(sb.st_mode))
4829                         cfile = conf;
4830         } else {
4831                 /* try global conf file */
4832                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4833                 if (!stat(conf, &sb))
4834                         if (S_ISREG(sb.st_mode))
4835                                 cfile = conf;
4836         }
4837         if (cfile)
4838                 conf_load(cfile);
4839
4840         /* setup all bars */
4841         for (i = 0; i < ScreenCount(display); i++)
4842                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4843                         if (winfocus == NULL)
4844                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4845                         bar_setup(r);
4846                 }
4847
4848         /* set some values to work around bad programs */
4849         workaround();
4850
4851         unfocus_all();
4852
4853         grabkeys();
4854         stack();
4855
4856         xfd = ConnectionNumber(display);
4857         while (running) {
4858                 while (XPending(display)) {
4859                         XNextEvent(display, &e);
4860                         if (running == 0)
4861                                 goto done;
4862                         if (e.type < LASTEvent) {
4863                                 dumpevent(&e);
4864                                 if (handler[e.type])
4865                                         handler[e.type](&e);
4866                                 else
4867                                         DNPRINTF(SWM_D_EVENT,
4868                                             "win: %lu unknown event: %d\n",
4869                                             e.xany.window, e.type);
4870                         } else {
4871                                 switch (e.type - xrandr_eventbase) {
4872                                 case RRScreenChangeNotify:
4873                                         screenchange(&e);
4874                                         break;
4875                                 default:
4876                                         DNPRINTF(SWM_D_EVENT,
4877                                             "win: %lu unknown xrandr event: "
4878                                             "%d\n", e.xany.window, e.type);
4879                                         break;
4880                                 }
4881                         }
4882                 }
4883
4884                 /* if we are being restarted go focus on first window */
4885                 if (winfocus) {
4886                         rr = winfocus->ws->r;
4887                         if (rr == NULL) {
4888                                 /* not a visible window */
4889                                 winfocus = NULL;
4890                                 continue;
4891                         }
4892                         /* move pointer to first screen if multi screen */
4893                         if (ScreenCount(display) > 1 || outputs > 1)
4894                                 XWarpPointer(display, None, rr->s[0].root,
4895                                     0, 0, 0, 0, rr->g.x,
4896                                     rr->g.y + bar_enabled ? bar_height : 0);
4897
4898                         a.id = SWM_ARG_ID_FOCUSCUR;
4899                         focus(rr, &a);
4900                         winfocus = NULL;
4901                         continue;
4902                 }
4903
4904                 FD_ZERO(&rd);
4905                 FD_SET(xfd, &rd);
4906                 tv.tv_sec = 1;
4907                 tv.tv_usec = 0;
4908                 if (select(xfd + 1, &rd, NULL, NULL, &tv) == -1)
4909                         if (errno != EINTR)
4910                                 DNPRINTF(SWM_D_MISC, "select failed");
4911                 if (running == 0)
4912                         goto done;
4913                 if (bar_alarm) {
4914                         bar_alarm = 0;
4915                         bar_update();
4916                 }
4917         }
4918 done:
4919         bar_extra_stop();
4920         XFreeGC(display, bar_gc);
4921         XCloseDisplay(display);
4922
4923         return (0);
4924 }