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     "0.9.9"
  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 #if RANDR_MAJOR < 1
  88 #  error XRandR versions less than 1.0 are not supported
  89 #endif
  90
  91 #if RANDR_MAJOR >= 1
  92 #if RANDR_MINOR >= 2
  93 #define SWM_XRR_HAS_CRTC
  94 #endif
  95 #endif
  96
  97 /* #define SWM_DEBUG */
  98 #ifdef SWM_DEBUG
  99 #define DPRINTF(x...)           do { if (swm_debug) fprintf(stderr, x); } while (0)
 100 #define DNPRINTF(n,x...)        do { if (swm_debug & n) fprintf(stderr, x); } while (0)
 101 #define SWM_D_MISC              0x0001
 102 #define SWM_D_EVENT             0x0002
 103 #define SWM_D_WS                0x0004
 104 #define SWM_D_FOCUS             0x0008
 105 #define SWM_D_MOVE              0x0010
 106 #define SWM_D_STACK             0x0020
 107 #define SWM_D_MOUSE             0x0040
 108 #define SWM_D_PROP              0x0080
 109 #define SWM_D_CLASS             0x0100
 110 #define SWM_D_KEY               0x0200
 111 #define SWM_D_QUIRK             0x0400
 112 #define SWM_D_SPAWN             0x0800
 113 #define SWM_D_EVENTQ            0x1000
 114 #define SWM_D_CONF              0x2000
 115
 116 u_int32_t               swm_debug = 0
 117                             | SWM_D_MISC
 118                             | SWM_D_EVENT
 119                             | SWM_D_WS
 120                             | SWM_D_FOCUS
 121                             | SWM_D_MOVE
 122                             | SWM_D_STACK
 123                             | SWM_D_MOUSE
 124                             | SWM_D_PROP
 125                             | SWM_D_CLASS
 126                             | SWM_D_KEY
 127                             | SWM_D_QUIRK
 128                             | SWM_D_SPAWN
 129                             | SWM_D_EVENTQ
 130                             | SWM_D_CONF
 131                             ;
 132 #else
 133 #define DPRINTF(x...)
 134 #define DNPRINTF(n,x...)
 135 #endif
 136
 137 #define LENGTH(x)               (sizeof x / sizeof x[0])
 138 #define MODKEY                  Mod1Mask
 139 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 140 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 141 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 142 #define SWM_PROPLEN             (16)
 143 #define SWM_FUNCNAME_LEN        (32)
 144 #define SWM_KEYS_LEN            (255)
 145 #define SWM_QUIRK_LEN           (64)
 146 #define X(r)                    (r)->g.x
 147 #define Y(r)                    (r)->g.y
 148 #define WIDTH(r)                (r)->g.w
 149 #define HEIGHT(r)               (r)->g.h
 150 #define SWM_MAX_FONT_STEPS      (3)
 151 #define SWM_EV_PROLOGUE(x)      do { XGrabServer(x); } while (0)
 152 #define SWM_EV_EPILOGUE(x)      do { XUngrabServer(x); XFlush(x); } while (0)
 153
 154 #ifndef SWM_LIB
 155 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 156 #endif
 157
 158 char                    **start_argv;
 159 Atom                    astate;
 160 Atom                    aprot;
 161 Atom                    adelete;
 162 volatile sig_atomic_t   running = 1;
 163 int                     outputs = 0;
 164 int                     (*xerrorxlib)(Display *, XErrorEvent *);
 165 int                     other_wm;
 166 int                     ss_enabled = 0;
 167 int                     xrandr_support;
 168 int                     xrandr_eventbase;
 169 int                     ignore_enter = 0;
 170 unsigned int            numlockmask = 0;
 171 Display                 *display;
 172
 173 int                     cycle_empty = 0;
 174 int                     cycle_visible = 0;
 175 int                     term_width = 0;
 176 int                     font_adjusted = 0;
 177 unsigned int            mod_key = MODKEY;
 178
 179 /* dialog windows */
 180 double                  dialog_ratio = .6;
 181 /* status bar */
 182 #define SWM_BAR_MAX     (256)
 183 char                    *bar_argv[] = { NULL, NULL };
 184 int                     bar_pipe[2];
 185 char                    bar_ext[SWM_BAR_MAX];
 186 char                    bar_vertext[SWM_BAR_MAX];
 187 int                     bar_version = 0;
 188 sig_atomic_t            bar_alarm = 0;
 189 int                     bar_delay = 30;
 190 int                     bar_enabled = 1;
 191 int                     bar_extra = 1;
 192 int                     bar_extra_running = 0;
 193 int                     bar_verbose = 1;
 194 int                     bar_height = 0;
 195 int                     clock_enabled = 1;
 196 int                     title_name_enabled = 0;
 197 int                     title_class_enabled = 0;
 198 pid_t                   bar_pid;
 199 GC                      bar_gc;
 200 XGCValues               bar_gcv;
 201 int                     bar_fidx = 0;
 202 XFontStruct             *bar_fs;
 203 char                    *bar_fonts[] = { NULL, NULL, NULL, NULL };/* XXX Make fully dynamic */
 204 char                    *spawn_term[] = { NULL, NULL };         /* XXX Make fully dynamic */
 205
 206 #define SWM_MENU_FN     (2)
 207 #define SWM_MENU_NB     (4)
 208 #define SWM_MENU_NF     (6)
 209 #define SWM_MENU_SB     (8)
 210 #define SWM_MENU_SF     (10)
 211
 212 /* layout manager data */
 213 struct swm_geometry {
 214         int                     x;
 215         int                     y;
 216         int                     w;
 217         int                     h;
 218 };
 219
 220 struct swm_screen;
 221 struct workspace;
 222
 223 /* virtual "screens" */
 224 struct swm_region {
 225         TAILQ_ENTRY(swm_region) entry;
 226         struct swm_geometry     g;
 227         struct workspace        *ws;    /* current workspace on this region */
 228         struct swm_screen       *s;     /* screen idx */
 229         Window                  bar_window;
 230 };
 231 TAILQ_HEAD(swm_region_list, swm_region);
 232
 233 struct ws_win {
 234         TAILQ_ENTRY(ws_win)     entry;
 235         Window                  id;
 236         struct swm_geometry     g;
 237         int                     floating;
 238         int                     transient;
 239         int                     manual;
 240         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 241         int                     font_steps;
 242         int                     last_inc;
 243         int                     can_delete;
 244         unsigned long           quirks;
 245         struct workspace        *ws;    /* always valid */
 246         struct swm_screen       *s;     /* always valid, never changes */
 247         XWindowAttributes       wa;
 248         XSizeHints              sh;
 249         XClassHint              ch;
 250 };
 251 TAILQ_HEAD(ws_win_list, ws_win);
 252
 253 /* user/key callable function IDs */
 254 enum keyfuncid {
 255         kf_cycle_layout,
 256         kf_stack_reset,
 257         kf_master_shrink,
 258         kf_master_grow,
 259         kf_master_add,
 260         kf_master_del,
 261         kf_stack_inc,
 262         kf_stack_dec,
 263         kf_swap_main,
 264         kf_focus_next,
 265         kf_focus_prev,
 266         kf_swap_next,
 267         kf_swap_prev,
 268         kf_spawn_term,
 269         kf_spawn_menu,
 270         kf_quit,
 271         kf_restart,
 272         kf_focus_main,
 273         kf_ws_1,
 274         kf_ws_2,
 275         kf_ws_3,
 276         kf_ws_4,
 277         kf_ws_5,
 278         kf_ws_6,
 279         kf_ws_7,
 280         kf_ws_8,
 281         kf_ws_9,
 282         kf_ws_10,
 283         kf_ws_next,
 284         kf_ws_prev,
 285         kf_screen_next,
 286         kf_screen_prev,
 287         kf_mvws_1,
 288         kf_mvws_2,
 289         kf_mvws_3,
 290         kf_mvws_4,
 291         kf_mvws_5,
 292         kf_mvws_6,
 293         kf_mvws_7,
 294         kf_mvws_8,
 295         kf_mvws_9,
 296         kf_mvws_10,
 297         kf_bar_toggle,
 298         kf_wind_kill,
 299         kf_wind_del,
 300         kf_screenshot_all,
 301         kf_screenshot_wind,
 302         kf_float_toggle,
 303         kf_version,
 304         kf_spawn_lock,
 305         kf_spawn_initscr,
 306         kf_spawn_custom,
 307         kf_invalid
 308 };
 309
 310 /* layout handlers */
 311 void    stack(void);
 312 void    vertical_config(struct workspace *, int);
 313 void    vertical_stack(struct workspace *, struct swm_geometry *);
 314 void    horizontal_config(struct workspace *, int);
 315 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 316 void    max_stack(struct workspace *, struct swm_geometry *);
 317
 318 void    grabbuttons(struct ws_win *, int);
 319 void    new_region(struct swm_screen *, int, int, int, int);
 320
 321 struct layout {
 322         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 323         void            (*l_config)(struct workspace *, int);
 324         u_int32_t       flags;
 325 #define SWM_L_FOCUSPREV         (1<<0)
 326 #define SWM_L_MAPONFOCUS        (1<<1)
 327 } layouts[] =  {
 328         /* stack,               configure */
 329         { vertical_stack,       vertical_config,        0},
 330         { horizontal_stack,     horizontal_config,      0},
 331         { max_stack,            NULL,
 332           SWM_L_FOCUSPREV | SWM_L_MAPONFOCUS},
 333         { NULL,                 NULL,                   0},
 334 };
 335
 336 #define SWM_H_SLICE             (32)
 337 #define SWM_V_SLICE             (32)
 338
 339 /* define work spaces */
 340 struct workspace {
 341         int                     idx;            /* workspace index */
 342         int                     restack;        /* restack on switch */
 343         struct layout           *cur_layout;    /* current layout handlers */
 344         struct ws_win           *focus;         /* may be NULL */
 345         struct ws_win           *focus_prev;    /* may be NULL */
 346         struct swm_region       *r;             /* may be NULL */
 347         struct swm_region       *old_r;         /* may be NULL */
 348         struct ws_win_list      winlist;        /* list of windows in ws */
 349
 350         /* stacker state */
 351         struct {
 352                                 int horizontal_msize;
 353                                 int horizontal_mwin;
 354                                 int horizontal_stacks;
 355                                 int vertical_msize;
 356                                 int vertical_mwin;
 357                                 int vertical_stacks;
 358         } l_state;
 359 };
 360
 361 enum    { SWM_S_COLOR_BAR, SWM_S_COLOR_BAR_BORDER, SWM_S_COLOR_BAR_FONT,
 362           SWM_S_COLOR_FOCUS, SWM_S_COLOR_UNFOCUS, SWM_S_COLOR_MAX };
 363
 364 /* physical screen mapping */
 365 #define SWM_WS_MAX              (10)            /* XXX Too small? */
 366 struct swm_screen {
 367         int                     idx;            /* screen index */
 368         struct swm_region_list  rl;     /* list of regions on this screen */
 369         struct swm_region_list  orl;    /* list of old regions */
 370         Window                  root;
 371         struct workspace        ws[SWM_WS_MAX];
 372
 373         /* colors */
 374         struct {
 375                 unsigned long   color;
 376                 char            *name;
 377         } c[SWM_S_COLOR_MAX];
 378 };
 379 struct swm_screen       *screens;
 380 int                     num_screens;
 381
 382 /* args to functions */
 383 union arg {
 384         int                     id;
 385 #define SWM_ARG_ID_FOCUSNEXT    (0)
 386 #define SWM_ARG_ID_FOCUSPREV    (1)
 387 #define SWM_ARG_ID_FOCUSMAIN    (2)
 388 #define SWM_ARG_ID_SWAPNEXT     (3)
 389 #define SWM_ARG_ID_SWAPPREV     (4)
 390 #define SWM_ARG_ID_SWAPMAIN     (5)
 391 #define SWM_ARG_ID_MASTERSHRINK (6)
 392 #define SWM_ARG_ID_MASTERGROW   (7)
 393 #define SWM_ARG_ID_MASTERADD    (8)
 394 #define SWM_ARG_ID_MASTERDEL    (9)
 395 #define SWM_ARG_ID_STACKRESET   (10)
 396 #define SWM_ARG_ID_STACKINIT    (11)
 397 #define SWM_ARG_ID_CYCLEWS_UP   (12)
 398 #define SWM_ARG_ID_CYCLEWS_DOWN (13)
 399 #define SWM_ARG_ID_CYCLESC_UP   (14)
 400 #define SWM_ARG_ID_CYCLESC_DOWN (15)
 401 #define SWM_ARG_ID_STACKINC     (16)
 402 #define SWM_ARG_ID_STACKDEC     (17)
 403 #define SWM_ARG_ID_SS_ALL       (0)
 404 #define SWM_ARG_ID_SS_WINDOW    (1)
 405 #define SWM_ARG_ID_DONTCENTER   (0)
 406 #define SWM_ARG_ID_CENTER       (1)
 407 #define SWM_ARG_ID_KILLWINDOW   (0)
 408 #define SWM_ARG_ID_DELETEWINDOW (1)
 409         char                    **argv;
 410 };
 411
 412 /* quirks */
 413 struct quirk {
 414         char                    *class;
 415         char                    *name;
 416         unsigned long           quirk;
 417 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 418 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 419 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 420 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 421 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 422 };
 423 int                             quirks_size = 0, quirks_length = 0;
 424 struct quirk                    *quirks = NULL;
 425
 426 /* events */
 427 #ifdef SWM_DEBUG
 428 void
 429 dumpevent(XEvent *e)
 430 {
 431         char                    *name = NULL;
 432
 433         switch (e->type) {
 434         case KeyPress:
 435                 name = "KeyPress";
 436                 break;
 437         case KeyRelease:
 438                 name = "KeyRelease";
 439                 break;
 440         case ButtonPress:
 441                 name = "ButtonPress";
 442                 break;
 443         case ButtonRelease:
 444                 name = "ButtonRelease";
 445                 break;
 446         case MotionNotify:
 447                 name = "MotionNotify";
 448                 break;
 449         case EnterNotify:
 450                 name = "EnterNotify";
 451                 break;
 452         case LeaveNotify:
 453                 name = "LeaveNotify";
 454                 break;
 455         case FocusIn:
 456                 name = "FocusIn";
 457                 break;
 458         case FocusOut:
 459                 name = "FocusOut";
 460                 break;
 461         case KeymapNotify:
 462                 name = "KeymapNotify";
 463                 break;
 464         case Expose:
 465                 name = "Expose";
 466                 break;
 467         case GraphicsExpose:
 468                 name = "GraphicsExpose";
 469                 break;
 470         case NoExpose:
 471                 name = "NoExpose";
 472                 break;
 473         case VisibilityNotify:
 474                 name = "VisibilityNotify";
 475                 break;
 476         case CreateNotify:
 477                 name = "CreateNotify";
 478                 break;
 479         case DestroyNotify:
 480                 name = "DestroyNotify";
 481                 break;
 482         case UnmapNotify:
 483                 name = "UnmapNotify";
 484                 break;
 485         case MapNotify:
 486                 name = "MapNotify";
 487                 break;
 488         case MapRequest:
 489                 name = "MapRequest";
 490                 break;
 491         case ReparentNotify:
 492                 name = "ReparentNotify";
 493                 break;
 494         case ConfigureNotify:
 495                 name = "ConfigureNotify";
 496                 break;
 497         case ConfigureRequest:
 498                 name = "ConfigureRequest";
 499                 break;
 500         case GravityNotify:
 501                 name = "GravityNotify";
 502                 break;
 503         case ResizeRequest:
 504                 name = "ResizeRequest";
 505                 break;
 506         case CirculateNotify:
 507                 name = "CirculateNotify";
 508                 break;
 509         case CirculateRequest:
 510                 name = "CirculateRequest";
 511                 break;
 512         case PropertyNotify:
 513                 name = "PropertyNotify";
 514                 break;
 515         case SelectionClear:
 516                 name = "SelectionClear";
 517                 break;
 518         case SelectionRequest:
 519                 name = "SelectionRequest";
 520                 break;
 521         case SelectionNotify:
 522                 name = "SelectionNotify";
 523                 break;
 524         case ColormapNotify:
 525                 name = "ColormapNotify";
 526                 break;
 527         case ClientMessage:
 528                 name = "ClientMessage";
 529                 break;
 530         case MappingNotify:
 531                 name = "MappingNotify";
 532                 break;
 533         }
 534
 535         if (name)
 536                 DNPRINTF(SWM_D_EVENTQ ,"window: %lu event: %s (%d), %d "
 537                     "remaining\n",
 538                     e->xany.window, name, e->type, QLength(display));
 539         else
 540                 DNPRINTF(SWM_D_EVENTQ, "window: %lu unknown event %d, %d "
 541                     "remaining\n",
 542                     e->xany.window, e->type, QLength(display));
 543 }
 544 #else
 545 #define dumpevent(e)
 546 #endif /* SWM_DEBUG */
 547
 548 void                    expose(XEvent *);
 549 void                    keypress(XEvent *);
 550 void                    buttonpress(XEvent *);
 551 void                    configurerequest(XEvent *);
 552 void                    configurenotify(XEvent *);
 553 void                    destroynotify(XEvent *);
 554 void                    enternotify(XEvent *);
 555 void                    focusin(XEvent *);
 556 void                    focusout(XEvent *);
 557 void                    mapnotify(XEvent *);
 558 void                    maprequest(XEvent *);
 559 void                    propertynotify(XEvent *);
 560 void                    unmapnotify(XEvent *);
 561 void                    visibilitynotify(XEvent *);
 562
 563 void                    (*handler[LASTEvent])(XEvent *) = {
 564                                 [Expose] = expose,
 565                                 [KeyPress] = keypress,
 566                                 [ButtonPress] = buttonpress,
 567                                 [ConfigureRequest] = configurerequest,
 568                                 [ConfigureNotify] = configurenotify,
 569                                 [DestroyNotify] = destroynotify,
 570                                 [EnterNotify] = enternotify,
 571                                 [FocusIn] = focusin,
 572                                 [FocusOut] = focusout,
 573                                 [MapNotify] = mapnotify,
 574                                 [MapRequest] = maprequest,
 575                                 [PropertyNotify] = propertynotify,
 576                                 [UnmapNotify] = unmapnotify,
 577                                 [VisibilityNotify] = visibilitynotify,
 578 };
 579
 580 void
 581 sighdlr(int sig)
 582 {
 583         pid_t                   pid;
 584
 585         switch (sig) {
 586         case SIGCHLD:
 587                 while ((pid = waitpid(WAIT_ANY, NULL, WNOHANG)) != -1) {
 588                         DNPRINTF(SWM_D_MISC, "reaping: %d\n", pid);
 589                         if (pid <= 0)
 590                                 break;
 591                 }
 592                 break;
 593         case SIGINT:
 594         case SIGTERM:
 595         case SIGHUP:
 596         case SIGQUIT:
 597                 running = 0;
 598                 break;
 599         }
 600 }
 601
 602 void
 603 installsignal(int sig, char *name)
 604 {
 605         struct sigaction        sa;
 606
 607         sa.sa_handler = sighdlr;
 608         sigemptyset(&sa.sa_mask);
 609         sa.sa_flags = 0;
 610         if (sigaction(sig, &sa, NULL) == -1)
 611                 err(1, "could not install %s handler", name);
 612 }
 613
 614 unsigned long
 615 name_to_color(char *colorname)
 616 {
 617         Colormap                cmap;
 618         Status                  status;
 619         XColor                  screen_def, exact_def;
 620         unsigned long           result = 0;
 621         char                    cname[32] = "#";
 622
 623         cmap = DefaultColormap(display, screens[0].idx);
 624         status = XAllocNamedColor(display, cmap, colorname,
 625             &screen_def, &exact_def);
 626         if (!status) {
 627                 strlcat(cname, colorname + 2, sizeof cname - 1);
 628                 status = XAllocNamedColor(display, cmap, cname, &screen_def,
 629                     &exact_def);
 630         }
 631         if (status)
 632                 result = screen_def.pixel;
 633         else
 634                 fprintf(stderr, "color '%s' not found.\n", colorname);
 635
 636         return (result);
 637 }
 638
 639 void
 640 setscreencolor(char *val, int i, int c)
 641 {
 642         if (i > 0 && i <= ScreenCount(display)) {
 643                 screens[i - 1].c[c].color = name_to_color(val);
 644                 free(screens[i - 1].c[c].name);
 645                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
 646                         errx(1, "strdup");
 647         } else if (i == -1) {
 648                 for (i = 0; i < ScreenCount(display); i++) {
 649                         screens[i].c[c].color = name_to_color(val);
 650                         free(screens[i].c[c].name);
 651                         if ((screens[i].c[c].name = strdup(val)) == NULL)
 652                                 errx(1, "strdup");
 653                 }
 654         } else
 655                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 656                     i, ScreenCount(display));
 657 }
 658
 659 void
 660 custom_region(char *val)
 661 {
 662         unsigned int                    sidx, x, y, w, h;
 663
 664         if (sscanf(val, "screen[%u]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
 665                 errx(1, "invalid custom region, "
 666                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>\n");
 667         if (sidx < 1 || sidx > ScreenCount(display))
 668                 errx(1, "invalid screen index: %d out of bounds (maximum %d)\n",
 669                     sidx, ScreenCount(display));
 670         sidx--;
 671
 672         if (w < 1 || h < 1)
 673                 errx(1, "region %ux%u+%u+%u too small\n", w, h, x, y);
 674
 675         if (x  < 0 || x > DisplayWidth(display, sidx) ||
 676             y < 0 || y > DisplayHeight(display, sidx) ||
 677             w + x > DisplayWidth(display, sidx) ||
 678             h + y > DisplayHeight(display, sidx))
 679                 errx(1, "region %ux%u+%u+%u not within screen boundaries "
 680                     "(%ux%u)\n", w, h, x, y,
 681                     DisplayWidth(display, sidx), DisplayHeight(display, sidx));
 682
 683         new_region(&screens[sidx], x, y, w, h);
 684 }
 685
 686 void
 687 socket_setnonblock(int fd)
 688 {
 689         int                     flags;
 690
 691         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
 692                 err(1, "fcntl F_GETFL");
 693         flags |= O_NONBLOCK;
 694         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
 695                 err(1, "fcntl F_SETFL");
 696 }
 697
 698 void
 699 bar_print(struct swm_region *r, char *s)
 700 {
 701         XClearWindow(display, r->bar_window);
 702         XSetForeground(display, bar_gc, r->s->c[SWM_S_COLOR_BAR_FONT].color);
 703         XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
 704             strlen(s));
 705 }
 706
 707 void
 708 bar_extra_stop(void)
 709 {
 710         if (bar_pipe[0]) {
 711                 close(bar_pipe[0]);
 712                 bzero(bar_pipe, sizeof bar_pipe);
 713         }
 714         if (bar_pid) {
 715                 kill(bar_pid, SIGTERM);
 716                 bar_pid = 0;
 717         }
 718         strlcpy(bar_ext, "", sizeof bar_ext);
 719         bar_extra = 0;
 720 }
 721
 722 void
 723 bar_class_name(char *s, ssize_t sz, struct ws_win *cur_focus)
 724 {
 725         int                     do_class, do_name;
 726         Status                  status;
 727         XClassHint              *xch = NULL;
 728
 729         if ((title_name_enabled == 1 || title_class_enabled == 1) &&
 730             cur_focus != NULL) {
 731                 if ((xch = XAllocClassHint()) == NULL)
 732                         goto out;
 733                 status = XGetClassHint(display, cur_focus->id, xch);
 734                 if (status == BadWindow || status == BadAlloc)
 735                         goto out;
 736                 do_class = (title_class_enabled && xch->res_class != NULL);
 737                 do_name = (title_name_enabled && xch->res_name != NULL);
 738                 if (do_class)
 739                         strlcat(s, xch->res_class, sz);
 740                 if (do_class && do_name)
 741                         strlcat(s, ":", sz);
 742                 if (do_name)
 743                         strlcat(s, xch->res_name, sz);
 744                 strlcat(s, "    ", sz);
 745         }
 746 out:
 747         if (xch)
 748                 XFree(xch);
 749 }
 750
 751 void
 752 bar_update(void)
 753 {
 754         time_t                  tmt;
 755         struct tm               tm;
 756         struct swm_region       *r;
 757         int                     i, x;
 758         size_t                  len;
 759         char                    s[SWM_BAR_MAX];
 760         char                    loc[SWM_BAR_MAX];
 761         char                    *b;
 762
 763         if (bar_enabled == 0)
 764                 return;
 765         if (bar_extra && bar_extra_running) {
 766                 /* ignore short reads; it'll correct itself */
 767                 while ((b = fgetln(stdin, &len)) != NULL)
 768                         if (b && b[len - 1] == '\n') {
 769                                 b[len - 1] = '\0';
 770                                 strlcpy(bar_ext, b, sizeof bar_ext);
 771                         }
 772                 if (b == NULL && errno != EAGAIN) {
 773                         fprintf(stderr, "bar_extra failed: errno: %d %s\n",
 774                             errno, strerror(errno));
 775                         bar_extra_stop();
 776                 }
 777         } else
 778                 strlcpy(bar_ext, "", sizeof bar_ext);
 779
 780         if (clock_enabled == 0)
 781                 strlcpy(s, "", sizeof s);
 782         else {
 783                 time(&tmt);
 784                 localtime_r(&tmt, &tm);
 785                 strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
 786         }
 787
 788         for (i = 0; i < ScreenCount(display); i++) {
 789                 x = 1;
 790                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 791                         if (r && r->ws)
 792                                 bar_class_name(s, sizeof s, r->ws->focus);
 793
 794                         snprintf(loc, sizeof loc, "%d:%d    %s %s    %s",
 795                             x++, r->ws->idx + 1, s, bar_ext, bar_vertext);
 796                         bar_print(r, loc);
 797                 }
 798         }
 799         alarm(bar_delay);
 800 }
 801
 802 void
 803 bar_signal(int sig)
 804 {
 805         bar_alarm = 1;
 806 }
 807
 808 void
 809 bar_toggle(struct swm_region *r, union arg *args)
 810 {
 811         struct swm_region       *tmpr;
 812         int                     i, j, sc = ScreenCount(display);
 813
 814         DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 815
 816         if (bar_enabled)
 817                 for (i = 0; i < sc; i++)
 818                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 819                                 XUnmapWindow(display, tmpr->bar_window);
 820         else
 821                 for (i = 0; i < sc; i++)
 822                         TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
 823                                 XMapRaised(display, tmpr->bar_window);
 824
 825         bar_enabled = !bar_enabled;
 826         for (i = 0; i < sc; i++)
 827                 for (j = 0; j < SWM_WS_MAX; j++)
 828                         screens[i].ws[j].restack = 1;
 829
 830         stack();
 831         /* must be after stack */
 832         bar_update();
 833 }
 834
 835 void
 836 bar_refresh(void)
 837 {
 838         XSetWindowAttributes    wa;
 839         struct swm_region       *r;
 840         int                     i;
 841
 842         /* do this here because the conf file is in memory */
 843         if (bar_extra && bar_extra_running == 0 && bar_argv[0]) {
 844                 /* launch external status app */
 845                 bar_extra_running = 1;
 846                 if (pipe(bar_pipe) == -1)
 847                         err(1, "pipe error");
 848                 socket_setnonblock(bar_pipe[0]);
 849                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
 850                 if (dup2(bar_pipe[0], 0) == -1)
 851                         errx(1, "dup2");
 852                 if (dup2(bar_pipe[1], 1) == -1)
 853                         errx(1, "dup2");
 854                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
 855                         err(1, "could not disable SIGPIPE");
 856                 switch (bar_pid = fork()) {
 857                 case -1:
 858                         err(1, "cannot fork");
 859                         break;
 860                 case 0: /* child */
 861                         close(bar_pipe[0]);
 862                         execvp(bar_argv[0], bar_argv);
 863                         err(1, "%s external app failed", bar_argv[0]);
 864                         break;
 865                 default: /* parent */
 866                         close(bar_pipe[1]);
 867                         break;
 868                 }
 869         }
 870
 871         bzero(&wa, sizeof wa);
 872         for (i = 0; i < ScreenCount(display); i++)
 873                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
 874                         wa.border_pixel =
 875                             screens[i].c[SWM_S_COLOR_BAR_BORDER].color;
 876                         wa.background_pixel =
 877                             screens[i].c[SWM_S_COLOR_BAR].color;
 878                         XChangeWindowAttributes(display, r->bar_window,
 879                             CWBackPixel | CWBorderPixel, &wa);
 880                 }
 881         bar_update();
 882 }
 883
 884 void
 885 bar_setup(struct swm_region *r)
 886 {
 887         int                     i;
 888
 889         for (i = 0; bar_fonts[i] != NULL; i++) {
 890                 bar_fs = XLoadQueryFont(display, bar_fonts[i]);
 891                 if (bar_fs) {
 892                         bar_fidx = i;
 893                         break;
 894                 }
 895         }
 896         if (bar_fonts[i] == NULL)
 897                         errx(1, "couldn't load font");
 898         bar_height = bar_fs->ascent + bar_fs->descent + 3;
 899
 900         r->bar_window = XCreateSimpleWindow(display,
 901             r->s->root, X(r), Y(r), WIDTH(r) - 2, bar_height - 2,
 902             1, r->s->c[SWM_S_COLOR_BAR_BORDER].color,
 903             r->s->c[SWM_S_COLOR_BAR].color);
 904         bar_gc = XCreateGC(display, r->bar_window, 0, &bar_gcv);
 905         XSetFont(display, bar_gc, bar_fs->fid);
 906         XSelectInput(display, r->bar_window, VisibilityChangeMask);
 907         if (bar_enabled)
 908                 XMapRaised(display, r->bar_window);
 909         DNPRINTF(SWM_D_MISC, "bar_setup: bar_window %lu\n", r->bar_window);
 910
 911         if (signal(SIGALRM, bar_signal) == SIG_ERR)
 912                 err(1, "could not install bar_signal");
 913         bar_refresh();
 914 }
 915
 916 void
 917 set_win_state(struct ws_win *win, long state)
 918 {
 919         long                    data[] = {state, None};
 920
 921         DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
 922
 923         XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
 924             (unsigned char *)data, 2);
 925 }
 926
 927 long
 928 getstate(Window w)
 929 {
 930         int                     format, status;
 931         long                    result = -1;
 932         unsigned char           *p = NULL;
 933         unsigned long           n, extra;
 934         Atom                    real;
 935
 936         status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
 937             &real, &format, &n, &extra, (unsigned char **)&p);
 938         if (status != Success)
 939                 return (-1);
 940         if (n != 0)
 941                 result = *((long *)p);
 942         XFree(p);
 943         return (result);
 944 }
 945
 946 void
 947 version(struct swm_region *r, union arg *args)
 948 {
 949         bar_version = !bar_version;
 950         if (bar_version)
 951                 snprintf(bar_vertext, sizeof bar_vertext, "Version: %s CVS: %s",
 952                     SWM_VERSION, cvstag);
 953         else
 954                 strlcpy(bar_vertext, "", sizeof bar_vertext);
 955         bar_update();
 956 }
 957
 958 void
 959 client_msg(struct ws_win *win, Atom a)
 960 {
 961         XClientMessageEvent     cm;
 962
 963         bzero(&cm, sizeof cm);
 964         cm.type = ClientMessage;
 965         cm.window = win->id;
 966         cm.message_type = aprot;
 967         cm.format = 32;
 968         cm.data.l[0] = a;
 969         cm.data.l[1] = CurrentTime;
 970         XSendEvent(display, win->id, False, 0L, (XEvent *)&cm);
 971 }
 972
 973 void
 974 config_win(struct ws_win *win)
 975 {
 976         XConfigureEvent         ce;
 977
 978         DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
 979             win->id, win->g.x, win->g.y, win->g.w, win->g.h);
 980         ce.type = ConfigureNotify;
 981         ce.display = display;
 982         ce.event = win->id;
 983         ce.window = win->id;
 984         ce.x = win->g.x;
 985         ce.y = win->g.y;
 986         ce.width = win->g.w;
 987         ce.height = win->g.h;
 988         ce.border_width = 1; /* XXX store this! */
 989         ce.above = None;
 990         ce.override_redirect = False;
 991         XSendEvent(display, win->id, False, StructureNotifyMask, (XEvent *)&ce);
 992 }
 993
 994 int
 995 count_win(struct workspace *ws, int count_transient)
 996 {
 997         struct ws_win           *win;
 998         int                     count = 0;
 999
1000         TAILQ_FOREACH(win, &ws->winlist, entry) {
1001                 if (count_transient == 0 && win->floating)
1002                         continue;
1003                 if (count_transient == 0 && win->transient)
1004                         continue;
1005                 count++;
1006         }
1007         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
1008
1009         return (count);
1010 }
1011
1012 void
1013 quit(struct swm_region *r, union arg *args)
1014 {
1015         DNPRINTF(SWM_D_MISC, "quit\n");
1016         running = 0;
1017 }
1018
1019 void
1020 unmap_window(struct ws_win *win)
1021 {
1022         if (win == NULL)
1023                 return;
1024
1025         set_win_state(win, IconicState);
1026         XUnmapWindow(display, win->id);
1027 }
1028
1029 void
1030 unmap_all(void)
1031 {
1032         struct ws_win           *win;
1033         int                     i, j;
1034
1035         for (i = 0; i < ScreenCount(display); i++)
1036                 for (j = 0; j < SWM_WS_MAX; j++)
1037                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1038                                 unmap_window(win);
1039 }
1040
1041 void
1042 fake_keypress(struct ws_win *win, int keysym, int modifiers)
1043 {
1044         XKeyEvent event;
1045
1046         event.display = display;        /* Ignored, but what the hell */
1047         event.window = win->id;
1048         event.root = win->s->root;
1049         event.subwindow = None;
1050         event.time = CurrentTime;
1051         event.x = win->g.x;
1052         event.y = win->g.y;
1053         event.x_root = 1;
1054         event.y_root = 1;
1055         event.same_screen = True;
1056         event.keycode = XKeysymToKeycode(display, keysym);
1057         event.state = modifiers;
1058
1059         event.type = KeyPress;
1060         XSendEvent(event.display, event.window, True,
1061             KeyPressMask, (XEvent *)&event);
1062
1063         event.type = KeyRelease;
1064         XSendEvent(event.display, event.window, True,
1065             KeyPressMask, (XEvent *)&event);
1066
1067 }
1068
1069 void
1070 restart(struct swm_region *r, union arg *args)
1071 {
1072         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
1073
1074         /* disable alarm because the following code may not be interrupted */
1075         alarm(0);
1076         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
1077                 errx(1, "can't disable alarm");
1078
1079         bar_extra_stop();
1080         bar_extra = 1;
1081         unmap_all();
1082         XCloseDisplay(display);
1083         execvp(start_argv[0], start_argv);
1084         fprintf(stderr, "execvp failed\n");
1085         perror(" failed");
1086         quit(NULL, NULL);
1087 }
1088
1089 struct swm_region *
1090 root_to_region(Window root)
1091 {
1092         struct swm_region       *r = NULL;
1093         Window                  rr, cr;
1094         int                     i, x, y, wx, wy;
1095         unsigned int            mask;
1096
1097         for (i = 0; i < ScreenCount(display); i++)
1098                 if (screens[i].root == root)
1099                         break;
1100
1101         if (XQueryPointer(display, screens[i].root,
1102             &rr, &cr, &x, &y, &wx, &wy, &mask) != False) {
1103                 /* choose a region based on pointer location */
1104                 TAILQ_FOREACH(r, &screens[i].rl, entry)
1105                         if (x >= X(r) && x <= X(r) + WIDTH(r) &&
1106                             y >= Y(r) && y <= Y(r) + HEIGHT(r))
1107                                 break;
1108         }
1109
1110         if (r == NULL)
1111                 r = TAILQ_FIRST(&screens[i].rl);
1112
1113         return (r);
1114 }
1115
1116 struct ws_win *
1117 find_window(Window id)
1118 {
1119         struct ws_win           *win;
1120         int                     i, j;
1121
1122         for (i = 0; i < ScreenCount(display); i++)
1123                 for (j = 0; j < SWM_WS_MAX; j++)
1124                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1125                                 if (id == win->id)
1126                                         return (win);
1127         return (NULL);
1128 }
1129
1130 void
1131 spawn(struct swm_region *r, union arg *args)
1132 {
1133         char                    *ret;
1134         int                     si;
1135
1136         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
1137         /*
1138          * The double-fork construct avoids zombie processes and keeps the code
1139          * clean from stupid signal handlers.
1140          */
1141         if (fork() == 0) {
1142                 if (fork() == 0) {
1143                         if (display)
1144                                 close(ConnectionNumber(display));
1145                         setenv("LD_PRELOAD", SWM_LIB, 1);
1146                         if (asprintf(&ret, "%d", r->ws->idx)) {
1147                                 setenv("_SWM_WS", ret, 1);
1148                                 free(ret);
1149                         }
1150                         if (asprintf(&ret, "%d", getpid())) {
1151                                 setenv("_SWM_PID", ret, 1);
1152                                 free(ret);
1153                         }
1154                         setsid();
1155                         /* kill stdin, mplayer, ssh-add etc. need that */
1156                         si = open("/dev/null", O_RDONLY, 0);
1157                         if (si == -1)
1158                                 err(1, "open /dev/null");
1159                         if (dup2(si, 0) == -1)
1160                                 err(1, "dup2 /dev/null");
1161                         execvp(args->argv[0], args->argv);
1162                         fprintf(stderr, "execvp failed\n");
1163                         perror(" failed");
1164                 }
1165                 exit(0);
1166         }
1167         wait(0);
1168 }
1169
1170 void
1171 spawnterm(struct swm_region *r, union arg *args)
1172 {
1173         DNPRINTF(SWM_D_MISC, "spawnterm\n");
1174
1175         if (term_width)
1176                 setenv("_SWM_XTERM_FONTADJ", "", 1);
1177         spawn(r, args);
1178 }
1179
1180 void
1181 unfocus_win(struct ws_win *win)
1182 {
1183         if (win == NULL)
1184                 return;
1185
1186         if (win->ws->r == NULL)
1187                 return;
1188
1189         grabbuttons(win, 0);
1190         XSetWindowBorder(display, win->id,
1191             win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
1192
1193         if (win->ws->focus == win) {
1194                 win->ws->focus = NULL;
1195                 win->ws->focus_prev = win;
1196         }
1197 }
1198
1199 void
1200 unfocus_all(void)
1201 {
1202         struct ws_win           *win;
1203         int                     i, j;
1204
1205         DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
1206
1207         for (i = 0; i < ScreenCount(display); i++)
1208                 for (j = 0; j < SWM_WS_MAX; j++)
1209                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
1210                                 unfocus_win(win);
1211         XSync(display, False);
1212 }
1213
1214 void
1215 focus_win(struct ws_win *win)
1216 {
1217         DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
1218
1219         if (win == NULL)
1220                 return;
1221
1222         /* use big hammer to make sure it works under all use cases */
1223         unfocus_all();
1224         win->ws->focus = win;
1225
1226         if (win->ws->r != NULL) {
1227                 XSetWindowBorder(display, win->id,
1228                     win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
1229                 grabbuttons(win, 1);
1230                 if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
1231                         XMapRaised(display, win->id);
1232                 XSetInputFocus(display, win->id,
1233                     RevertToPointerRoot, CurrentTime);
1234                 XSync(display, False);
1235         }
1236 }
1237
1238 void
1239 switchws(struct swm_region *r, union arg *args)
1240 {
1241         int                     wsid = args->id;
1242         struct swm_region       *this_r, *other_r;
1243         struct ws_win           *win, *winfocus = NULL;
1244         struct workspace        *new_ws, *old_ws;
1245
1246         this_r = r;
1247         old_ws = this_r->ws;
1248         new_ws = &this_r->s->ws[wsid];
1249
1250         DNPRINTF(SWM_D_WS, "switchws screen[%d]:%dx%d+%d+%d: "
1251             "%d -> %d\n", r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r),
1252             old_ws->idx, wsid);
1253
1254         if (new_ws == old_ws)
1255                 return;
1256
1257         /* get focus window */
1258         if (new_ws->focus)
1259                 winfocus = new_ws->focus;
1260         else if (new_ws->focus_prev)
1261                 winfocus = new_ws->focus_prev;
1262         else
1263                 winfocus = TAILQ_FIRST(&new_ws->winlist);
1264
1265         other_r = new_ws->r;
1266         if (other_r == NULL) {
1267                 /* if the other workspace is hidden, switch windows */
1268                 if (old_ws->r != NULL)
1269                         old_ws->old_r = old_ws->r;
1270                 old_ws->r = NULL;
1271                 old_ws->restack = 1;
1272
1273                 /*
1274                  * Map new windows first if they were here before
1275                  * to minimize ugly blinking.
1276                  */
1277                 if (new_ws->old_r == this_r)
1278                         TAILQ_FOREACH(win, &new_ws->winlist, entry)
1279                                 XMapRaised(display, win->id);
1280
1281                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
1282                         unmap_window(win);
1283         } else {
1284                 other_r->ws = old_ws;
1285                 old_ws->r = other_r;
1286         }
1287         this_r->ws = new_ws;
1288         new_ws->r = this_r;
1289
1290         ignore_enter = 1;
1291         stack();
1292         focus_win(winfocus);
1293         bar_update();
1294 }
1295
1296 void
1297 cyclews(struct swm_region *r, union arg *args)
1298 {
1299         union                   arg a;
1300         struct swm_screen       *s = r->s;
1301
1302         DNPRINTF(SWM_D_WS, "cyclews id %d "
1303             "in screen[%d]:%dx%d+%d+%d ws %d\n", args->id,
1304             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1305
1306         a.id = r->ws->idx;
1307         do {
1308                 switch (args->id) {
1309                 case SWM_ARG_ID_CYCLEWS_UP:
1310                         if (a.id < SWM_WS_MAX - 1)
1311                                 a.id++;
1312                         else
1313                                 a.id = 0;
1314                         break;
1315                 case SWM_ARG_ID_CYCLEWS_DOWN:
1316                         if (a.id > 0)
1317                                 a.id--;
1318                         else
1319                                 a.id = SWM_WS_MAX - 1;
1320                         break;
1321                 default:
1322                         return;
1323                 };
1324
1325                 if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
1326                         continue;
1327                 if (cycle_visible == 0 && s->ws[a.id].r != NULL)
1328                         continue;
1329
1330                 switchws(r, &a);
1331         } while (a.id != r->ws->idx);
1332 }
1333
1334 void
1335 cyclescr(struct swm_region *r, union arg *args)
1336 {
1337         struct swm_region       *rr;
1338         int                     i;
1339
1340         /* do nothing if we don't have more than one screen */
1341         if (!(ScreenCount(display) > 1 || outputs > 1))
1342                 return;
1343
1344         i = r->s->idx;
1345         switch (args->id) {
1346         case SWM_ARG_ID_CYCLESC_UP:
1347                 rr = TAILQ_NEXT(r, entry);
1348                 if (rr == NULL)
1349                         rr = TAILQ_FIRST(&screens[i].rl);
1350                 break;
1351         case SWM_ARG_ID_CYCLESC_DOWN:
1352                 rr = TAILQ_PREV(r, swm_region_list, entry);
1353                 if (rr == NULL)
1354                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
1355                 break;
1356         default:
1357                 return;
1358         };
1359         unfocus_all();
1360         XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
1361         XWarpPointer(display, None, rr->s[i].root, 0, 0, 0, 0, rr->g.x,
1362             rr->g.y + bar_enabled ? bar_height : 0);
1363 }
1364
1365 void
1366 swapwin(struct swm_region *r, union arg *args)
1367 {
1368         struct ws_win           *target, *source;
1369         struct ws_win           *cur_focus;
1370         struct ws_win_list      *wl;
1371
1372
1373         DNPRINTF(SWM_D_WS, "swapwin id %d "
1374             "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
1375             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
1376
1377         cur_focus = r->ws->focus;
1378         if (cur_focus == NULL)
1379                 return;
1380
1381         source = cur_focus;
1382         wl = &source->ws->winlist;
1383
1384         switch (args->id) {
1385         case SWM_ARG_ID_SWAPPREV:
1386                 target = TAILQ_PREV(source, ws_win_list, entry);
1387                 TAILQ_REMOVE(wl, cur_focus, entry);
1388                 if (target == NULL)
1389                         TAILQ_INSERT_TAIL(wl, source, entry);
1390                 else
1391                         TAILQ_INSERT_BEFORE(target, source, entry);
1392                 break;
1393         case SWM_ARG_ID_SWAPNEXT:
1394                 target = TAILQ_NEXT(source, entry);
1395                 TAILQ_REMOVE(wl, source, entry);
1396                 if (target == NULL)
1397                         TAILQ_INSERT_HEAD(wl, source, entry);
1398                 else
1399                         TAILQ_INSERT_AFTER(wl, target, source, entry);
1400                 break;
1401         case SWM_ARG_ID_SWAPMAIN:
1402                 target = TAILQ_FIRST(wl);
1403                 if (target == source) {
1404                         if (source->ws->focus_prev != NULL &&
1405                             source->ws->focus_prev != target)
1406
1407                                 source = source->ws->focus_prev;
1408                         else
1409                                 return;
1410                 }
1411                 source->ws->focus_prev = target;
1412                 TAILQ_REMOVE(wl, target, entry);
1413                 TAILQ_INSERT_BEFORE(source, target, entry);
1414                 TAILQ_REMOVE(wl, source, entry);
1415                 TAILQ_INSERT_HEAD(wl, source, entry);
1416                 break;
1417         default:
1418                 DNPRINTF(SWM_D_MOVE, "invalid id: %d\n", args->id);
1419                 return;
1420         }
1421
1422         ignore_enter = 1;
1423         stack();
1424 }
1425
1426 void
1427 focus(struct swm_region *r, union arg *args)
1428 {
1429         struct ws_win           *winfocus, *winlostfocus;
1430         struct ws_win_list      *wl;
1431         struct ws_win           *cur_focus;
1432
1433         DNPRINTF(SWM_D_FOCUS, "focus: id %d\n", args->id);
1434
1435         cur_focus = r->ws->focus;
1436         if (cur_focus == NULL)
1437                 return;
1438
1439         wl = &cur_focus->ws->winlist;
1440
1441         winlostfocus = cur_focus;
1442
1443         switch (args->id) {
1444         case SWM_ARG_ID_FOCUSPREV:
1445                 winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
1446                 if (winfocus == NULL)
1447                         winfocus = TAILQ_LAST(wl, ws_win_list);
1448                 break;
1449
1450         case SWM_ARG_ID_FOCUSNEXT:
1451                 winfocus = TAILQ_NEXT(cur_focus, entry);
1452                 if (winfocus == NULL)
1453                         winfocus = TAILQ_FIRST(wl);
1454                 break;
1455
1456         case SWM_ARG_ID_FOCUSMAIN:
1457                 winfocus = TAILQ_FIRST(wl);
1458                 if (winfocus == cur_focus)
1459                         winfocus = cur_focus->ws->focus_prev;
1460                 if (winfocus == NULL)
1461                         return;
1462                 break;
1463
1464         default:
1465                 return;
1466         }
1467
1468         if (winfocus == winlostfocus || winfocus == NULL)
1469                 return;
1470
1471         focus_win(winfocus);
1472 }
1473
1474 void
1475 cycle_layout(struct swm_region *r, union arg *args)
1476 {
1477         struct workspace        *ws = r->ws;
1478         struct ws_win           *winfocus;
1479
1480         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
1481
1482         winfocus = ws->focus;
1483
1484         ws->cur_layout++;
1485         if (ws->cur_layout->l_stack == NULL)
1486                 ws->cur_layout = &layouts[0];
1487
1488         ignore_enter = 1;
1489         stack();
1490         focus_win(winfocus);
1491         ignore_enter = 0;
1492 }
1493
1494 void
1495 stack_config(struct swm_region *r, union arg *args)
1496 {
1497         struct workspace        *ws = r->ws;
1498
1499         DNPRINTF(SWM_D_STACK, "stack_config for workspace %d (id %d\n",
1500             args->id, ws->idx);
1501
1502         if (ws->cur_layout->l_config != NULL)
1503                 ws->cur_layout->l_config(ws, args->id);
1504
1505         if (args->id != SWM_ARG_ID_STACKINIT);
1506                 stack();
1507 }
1508
1509 void
1510 stack(void) {
1511         struct swm_geometry     g;
1512         struct swm_region       *r;
1513         int                     i, j;
1514
1515         DNPRINTF(SWM_D_STACK, "stack\n");
1516
1517         for (i = 0; i < ScreenCount(display); i++) {
1518                 j = 0;
1519                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
1520                         DNPRINTF(SWM_D_STACK, "stacking workspace %d "
1521                             "(screen %d, region %d)\n", r->ws->idx, i, j++);
1522
1523                         /* start with screen geometry, adjust for bar */
1524                         g = r->g;
1525                         g.w -= 2;
1526                         g.h -= 2;
1527                         if (bar_enabled) {
1528                                 g.y += bar_height;
1529                                 g.h -= bar_height;
1530                         }
1531
1532                         r->ws->restack = 0;
1533                         r->ws->cur_layout->l_stack(r->ws, &g);
1534                 }
1535         }
1536         if (font_adjusted)
1537                 font_adjusted--;
1538         XSync(display, False);
1539 }
1540
1541 void
1542 stack_floater(struct ws_win *win, struct swm_region *r)
1543 {
1544         unsigned int            mask;
1545         XWindowChanges          wc;
1546
1547         if (win == NULL)
1548                 return;
1549
1550         bzero(&wc, sizeof wc);
1551         mask = CWX | CWY | CWBorderWidth | CWWidth | CWHeight;
1552         if ((win->quirks & SWM_Q_FULLSCREEN) && (win->g.w == WIDTH(r)) &&
1553             (win->g.h == HEIGHT(r)))
1554                 wc.border_width = 0;
1555         else
1556                 wc.border_width = 1;
1557         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
1558                 win->g.w = (double)WIDTH(r) * dialog_ratio;
1559                 win->g.h = (double)HEIGHT(r) * dialog_ratio;
1560         }
1561         wc.width = win->g.w;
1562         wc.height = win->g.h;
1563         if (win->manual) {
1564                 wc.x = win->g.x;
1565                 wc.y = win->g.y;
1566         } else {
1567                 wc.x = (WIDTH(r) - win->g.w) / 2;
1568                 wc.y = (HEIGHT(r) - win->g.h) / 2;
1569         }
1570
1571         /* adjust for region */
1572         wc.x += r->g.x;
1573         wc.y += r->g.y;
1574
1575         DNPRINTF(SWM_D_STACK, "stack_floater: win %lu x %d y %d w %d h %d\n",
1576             win->id, wc.x, wc.y, wc.width, wc.height);
1577
1578         XConfigureWindow(display, win->id, mask, &wc);
1579 }
1580
1581 /*
1582  * Send keystrokes to terminal to decrease/increase the font size as the
1583  * window size changes.
1584  */
1585 void
1586 adjust_font(struct ws_win *win)
1587 {
1588         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
1589             win->floating || win->transient)
1590                 return;
1591
1592         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
1593             win->g.w / win->sh.width_inc < term_width &&
1594             win->font_steps < SWM_MAX_FONT_STEPS) {
1595                 win->font_size_boundary[win->font_steps] =
1596                     (win->sh.width_inc * term_width) + win->sh.base_width;
1597                 win->font_steps++;
1598                 font_adjusted++;
1599                 win->last_inc = win->sh.width_inc;
1600                 fake_keypress(win, XK_KP_Subtract, ShiftMask);
1601         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
1602             win->g.w > win->font_size_boundary[win->font_steps - 1]) {
1603                 win->font_steps--;
1604                 font_adjusted++;
1605                 win->last_inc = win->sh.width_inc;
1606                 fake_keypress(win, XK_KP_Add, ShiftMask);
1607         }
1608 }
1609
1610 #define SWAPXY(g)       do {                            \
1611         int tmp;                                        \
1612         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
1613         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
1614 } while (0)
1615 void
1616 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
1617 {
1618         XWindowChanges          wc;
1619         struct swm_geometry     win_g, r_g = *g;
1620         struct ws_win           *win;
1621         int                     i, j, s, stacks;
1622         int                     w_inc = 1, h_inc, w_base = 1, h_base;
1623         int                     hrh, extra = 0, h_slice, last_h = 0;
1624         int                     split, colno, winno, mwin, msize, mscale;
1625         int                     remain, missing, v_slice;
1626         unsigned int            mask;
1627
1628         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d\n rot=%s flip=%s",
1629             ws->idx, rot ? "yes" : "no", flip ? "yes" : "no");
1630
1631         winno = count_win(ws, 0);
1632         if (winno == 0 && count_win(ws, 1) == 0)
1633                 return;
1634
1635         TAILQ_FOREACH(win, &ws->winlist, entry)
1636                 if (win->transient == 0 && win->floating == 0)
1637                         break;
1638
1639         if (win == NULL)
1640                 goto notiles;
1641
1642         if (rot) {
1643                 w_inc = win->sh.width_inc;
1644                 w_base = win->sh.base_width;
1645                 mwin = ws->l_state.horizontal_mwin;
1646                 mscale = ws->l_state.horizontal_msize;
1647                 stacks = ws->l_state.horizontal_stacks;
1648                 SWAPXY(&r_g);
1649         } else {
1650                 w_inc = win->sh.height_inc;
1651                 w_base = win->sh.base_height;
1652                 mwin = ws->l_state.vertical_mwin;
1653                 mscale = ws->l_state.vertical_msize;
1654                 stacks = ws->l_state.vertical_stacks;
1655         }
1656         win_g = r_g;
1657
1658         if (stacks > winno - mwin)
1659                 stacks = winno - mwin;
1660         if (stacks < 1)
1661                 stacks = 1;
1662
1663         h_slice = r_g.h / SWM_H_SLICE;
1664         if (mwin && winno > mwin) {
1665                 v_slice = r_g.w / SWM_V_SLICE;
1666
1667                 split = mwin;
1668                 colno = split;
1669                 win_g.w = v_slice * mscale;
1670
1671                 if (w_inc > 1 && w_inc < v_slice) {
1672                         /* adjust for window's requested size increment */
1673                         remain = (win_g.w - w_base) % w_inc;
1674                         missing = w_inc - remain;
1675                         win_g.w -= remain;
1676                         extra += remain;
1677                 }
1678
1679                 msize = win_g.w;
1680                 if (flip)
1681                         win_g.x += r_g.w - msize;
1682         } else {
1683                 msize = -2;
1684                 colno = split = winno / stacks;
1685                 win_g.w = ((r_g.w - (stacks * 2) + 2) / stacks);
1686         }
1687         hrh = r_g.h / colno;
1688         extra = r_g.h - (colno * hrh);
1689         win_g.h = hrh - 2;
1690
1691         /*  stack all the tiled windows */
1692         i = j = 0, s = stacks;
1693         TAILQ_FOREACH(win, &ws->winlist, entry) {
1694                 if (win->transient != 0 || win->floating != 0)
1695                         continue;
1696
1697                 if (split && i == split) {
1698                         colno = (winno - mwin) / stacks;
1699                         if (s <= (winno - mwin) % stacks)
1700                                 colno++;
1701                         split = split + colno;
1702                         hrh = (r_g.h / colno);
1703                         extra = r_g.h - (colno * hrh);
1704                         if (flip)
1705                                 win_g.x = r_g.x;
1706                         else
1707                                 win_g.x += win_g.w + 2;
1708                         win_g.w = (r_g.w - msize - (stacks * 2)) / stacks;
1709                         if (s == 1)
1710                                 win_g.w += (r_g.w - msize - (stacks * 2)) %
1711                                     stacks;
1712                         s--;
1713                         j = 0;
1714                 }
1715                 win_g.h = hrh - 2;
1716                 if (rot) {
1717                         h_inc = win->sh.width_inc;
1718                         h_base = win->sh.base_width;
1719                 } else {
1720                         h_inc = win->sh.height_inc;
1721                         h_base = win->sh.base_height;
1722                 }
1723                 if (j == colno - 1) {
1724                         win_g.h = hrh + extra;
1725                 } else if (h_inc > 1 && h_inc < h_slice) {
1726                         /* adjust for window's requested size increment */
1727                         remain = (win_g.h - h_base) % h_inc;
1728                         missing = h_inc - remain;
1729
1730                         if (missing <= extra || j == 0) {
1731                                 extra -= missing;
1732                                 win_g.h += missing;
1733                         } else {
1734                                 win_g.h -= remain;
1735                                 extra += remain;
1736                         }
1737                 }
1738
1739                 if (j == 0)
1740                         win_g.y = r_g.y;
1741                 else
1742                         win_g.y += last_h + 2;
1743
1744                 bzero(&wc, sizeof wc);
1745                 wc.border_width = 1;
1746                 if (rot) {
1747                         win->g.x = wc.x = win_g.y;
1748                         win->g.y = wc.y = win_g.x;
1749                         win->g.w = wc.width = win_g.h;
1750                         win->g.h = wc.height = win_g.w;
1751                 } else {
1752                         win->g.x = wc.x = win_g.x;
1753                         win->g.y = wc.y = win_g.y;
1754                         win->g.w = wc.width = win_g.w;
1755                         win->g.h = wc.height = win_g.h;
1756                 }
1757                 adjust_font(win);
1758                 mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1759                 XConfigureWindow(display, win->id, mask, &wc);
1760                 XMapRaised(display, win->id);
1761
1762                 last_h = win_g.h;
1763                 i++;
1764                 j++;
1765         }
1766
1767  notiles:
1768         /* now, stack all the floaters and transients */
1769         TAILQ_FOREACH(win, &ws->winlist, entry) {
1770                 if (win->transient == 0 && win->floating == 0)
1771                         continue;
1772
1773                 stack_floater(win, ws->r);
1774                 XMapRaised(display, win->id);
1775         }
1776 }
1777
1778 void
1779 vertical_config(struct workspace *ws, int id)
1780 {
1781         DNPRINTF(SWM_D_STACK, "vertical_resize: workspace: %d\n", ws->idx);
1782
1783         switch (id) {
1784         case SWM_ARG_ID_STACKRESET:
1785         case SWM_ARG_ID_STACKINIT:
1786                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
1787                 ws->l_state.vertical_mwin = 1;
1788                 ws->l_state.vertical_stacks = 1;
1789                 break;
1790         case SWM_ARG_ID_MASTERSHRINK:
1791                 if (ws->l_state.vertical_msize > 1)
1792                         ws->l_state.vertical_msize--;
1793                 break;
1794         case SWM_ARG_ID_MASTERGROW:
1795                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
1796                         ws->l_state.vertical_msize++;
1797                 break;
1798         case SWM_ARG_ID_MASTERADD:
1799                 ws->l_state.vertical_mwin++;
1800                 break;
1801         case SWM_ARG_ID_MASTERDEL:
1802                 if (ws->l_state.vertical_mwin > 0)
1803                         ws->l_state.vertical_mwin--;
1804                 break;
1805         case SWM_ARG_ID_STACKINC:
1806                 ws->l_state.vertical_stacks++;
1807                 break;
1808         case SWM_ARG_ID_STACKDEC:
1809                 if (ws->l_state.vertical_stacks > 1)
1810                         ws->l_state.vertical_stacks--;
1811                 break;
1812         default:
1813                 return;
1814         }
1815 }
1816
1817 void
1818 vertical_stack(struct workspace *ws, struct swm_geometry *g)
1819 {
1820         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1821
1822         stack_master(ws, g, 0, 0);
1823 }
1824
1825 void
1826 horizontal_config(struct workspace *ws, int id)
1827 {
1828         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
1829
1830         switch (id) {
1831         case SWM_ARG_ID_STACKRESET:
1832         case SWM_ARG_ID_STACKINIT:
1833                 ws->l_state.horizontal_mwin = 1;
1834                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
1835                 ws->l_state.horizontal_stacks = 1;
1836                 break;
1837         case SWM_ARG_ID_MASTERSHRINK:
1838                 if (ws->l_state.horizontal_msize > 1)
1839                         ws->l_state.horizontal_msize--;
1840                 break;
1841         case SWM_ARG_ID_MASTERGROW:
1842                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
1843                         ws->l_state.horizontal_msize++;
1844                 break;
1845         case SWM_ARG_ID_MASTERADD:
1846                 ws->l_state.horizontal_mwin++;
1847                 break;
1848         case SWM_ARG_ID_MASTERDEL:
1849                 if (ws->l_state.horizontal_mwin > 0)
1850                         ws->l_state.horizontal_mwin--;
1851                 break;
1852         case SWM_ARG_ID_STACKINC:
1853                 ws->l_state.horizontal_stacks++;
1854                 break;
1855         case SWM_ARG_ID_STACKDEC:
1856                 if (ws->l_state.horizontal_stacks > 1)
1857                         ws->l_state.horizontal_stacks--;
1858                 break;
1859         default:
1860                 return;
1861         }
1862 }
1863
1864 void
1865 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
1866 {
1867         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
1868
1869         stack_master(ws, g, 1, 0);
1870 }
1871
1872 /* fullscreen view */
1873 void
1874 max_stack(struct workspace *ws, struct swm_geometry *g)
1875 {
1876         XWindowChanges          wc;
1877         struct swm_geometry     gg = *g;
1878         struct ws_win           *win, *wintrans = NULL;
1879         unsigned int            mask;
1880         int                     winno;
1881
1882         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
1883
1884         if (ws == NULL)
1885                 return;
1886
1887         winno = count_win(ws, 0);
1888         if (winno == 0 && count_win(ws, 1) == 0)
1889                 return;
1890
1891         TAILQ_FOREACH(win, &ws->winlist, entry) {
1892                 if (win->transient != 0) {
1893                         wintrans = win;
1894                 } else {
1895                         bzero(&wc, sizeof wc);
1896                         wc.border_width = 1;
1897                         win->g.x = wc.x = gg.x;
1898                         win->g.y = wc.y = gg.y;
1899                         win->g.w = wc.width = gg.w;
1900                         win->g.h = wc.height = gg.h;
1901                         mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
1902                         XConfigureWindow(display, win->id, mask, &wc);
1903
1904                         /* unmap only if we don't have multi screen */
1905                         if (win != ws->focus)
1906                                 if (!(ScreenCount(display) > 1 || outputs > 1))
1907                                         unmap_window(win);
1908                 }
1909         }
1910
1911         /* put the last transient on top */
1912         if (wintrans) {
1913                 stack_floater(wintrans, ws->r);
1914                 focus_win(wintrans); /* override */
1915         }
1916 }
1917
1918 void
1919 send_to_ws(struct swm_region *r, union arg *args)
1920 {
1921         int                     wsid = args->id;
1922         struct ws_win           *win = win, *winfocus = NULL;
1923         struct workspace        *ws, *nws;
1924         Atom                    ws_idx_atom = 0;
1925         unsigned char           ws_idx_str[SWM_PROPLEN];
1926
1927         if (r && r->ws)
1928                 win = r->ws->focus;
1929         else
1930                 return;
1931         if (win == NULL)
1932                 return;
1933
1934         DNPRINTF(SWM_D_MOVE, "send_to_ws: win: %lu\n", win->id);
1935
1936         ws = win->ws;
1937         nws = &win->s->ws[wsid];
1938
1939         /* find a window to focus */
1940         winfocus = TAILQ_PREV(win, ws_win_list, entry);
1941         if (TAILQ_FIRST(&ws->winlist) == win)
1942                 winfocus = TAILQ_NEXT(win, entry);
1943         else {
1944                 winfocus = TAILQ_PREV(win, ws_win_list, entry);
1945                 if (winfocus == NULL)
1946                         winfocus = TAILQ_LAST(&ws->winlist, ws_win_list);
1947         }
1948         /* out of windows in ws so focus on nws instead if we multi screen */
1949         if (winfocus == NULL)
1950                 if (ScreenCount(display) > 1 || outputs > 1)
1951                         winfocus = win;
1952
1953
1954         unmap_window(win);
1955         TAILQ_REMOVE(&ws->winlist, win, entry);
1956         TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
1957         win->ws = nws;
1958
1959         /* Try to update the window's workspace property */
1960         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
1961         if (ws_idx_atom &&
1962             snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
1963                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
1964                     ws_idx_str);
1965                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
1966                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
1967         }
1968
1969         if (count_win(nws, 1) == 1)
1970                 nws->focus = win;
1971         ws->restack = 1;
1972         nws->restack = 1;
1973
1974         stack();
1975         if (winfocus)
1976                 focus_win(winfocus);
1977 }
1978
1979 void
1980 wkill(struct swm_region *r, union arg *args)
1981 {
1982         DNPRINTF(SWM_D_MISC, "wkill %d\n", args->id);
1983
1984         if(r->ws->focus == NULL)
1985                 return;
1986
1987         if (args->id == SWM_ARG_ID_KILLWINDOW)
1988                 XKillClient(display, r->ws->focus->id);
1989         else
1990                 if (r->ws->focus->can_delete)
1991                         client_msg(r->ws->focus, adelete);
1992 }
1993
1994 void
1995 floating_toggle(struct swm_region *r, union arg *args)
1996 {
1997         struct ws_win   *win = r->ws->focus;
1998
1999         if (win == NULL)
2000                 return;
2001
2002         win->floating = !win->floating;
2003         win->manual = 0;
2004         stack();
2005         focus_win(win);
2006 }
2007
2008 void
2009 resize_window(struct ws_win *win, int center)
2010 {
2011         unsigned int            mask;
2012         XWindowChanges          wc;
2013         struct swm_region       *r;
2014
2015         r = root_to_region(win->wa.root);
2016         bzero(&wc, sizeof wc);
2017         mask = CWBorderWidth | CWWidth | CWHeight;
2018         wc.border_width = 1;
2019         wc.width = win->g.w;
2020         wc.height = win->g.h;
2021         if (center == SWM_ARG_ID_CENTER) {
2022                 wc.x = (WIDTH(r) - win->g.w) / 2;
2023                 wc.y = (HEIGHT(r) - win->g.h) / 2;
2024                 mask |= CWX | CWY;
2025         }
2026
2027         DNPRINTF(SWM_D_STACK, "resize_window: win %lu x %d y %d w %d h %d\n",
2028             win->id, wc.x, wc.y, wc.width, wc.height);
2029
2030         XConfigureWindow(display, win->id, mask, &wc);
2031         config_win(win);
2032 }
2033
2034 void
2035 resize(struct ws_win *win, union arg *args)
2036 {
2037         XEvent                  ev;
2038         Time                    time = 0;
2039
2040         DNPRINTF(SWM_D_MOUSE, "resize: win %lu floating %d trans %d\n",
2041             win->id, win->floating, win->transient);
2042
2043         if (!(win->transient != 0 || win->floating != 0))
2044                 return;
2045
2046         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2047             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2048                 return;
2049         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w, win->g.h);
2050         do {
2051                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2052                     SubstructureRedirectMask, &ev);
2053                 switch(ev.type) {
2054                 case ConfigureRequest:
2055                 case Expose:
2056                 case MapRequest:
2057                         handler[ev.type](&ev);
2058                         break;
2059                 case MotionNotify:
2060                         if (ev.xmotion.x <= 1)
2061                                 ev.xmotion.x = 1;
2062                         if (ev.xmotion.y <= 1)
2063                                 ev.xmotion.y = 1;
2064                         win->g.w = ev.xmotion.x;
2065                         win->g.h = ev.xmotion.y;
2066
2067                         /* not free, don't sync more than 60 times / second */
2068                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2069                                 time = ev.xmotion.time;
2070                                 XSync(display, False);
2071                                 resize_window(win, args->id);
2072                         }
2073                         break;
2074                 }
2075         } while (ev.type != ButtonRelease);
2076         if (time) {
2077                 XSync(display, False);
2078                 resize_window(win, args->id);
2079         }
2080         XWarpPointer(display, None, win->id, 0, 0, 0, 0, win->g.w - 1,
2081             win->g.h - 1);
2082         XUngrabPointer(display, CurrentTime);
2083
2084         /* drain events */
2085         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2086 }
2087
2088 void
2089 move_window(struct ws_win *win)
2090 {
2091         unsigned int            mask;
2092         XWindowChanges          wc;
2093         struct swm_region       *r;
2094
2095         r = root_to_region(win->wa.root);
2096         bzero(&wc, sizeof wc);
2097         mask = CWX | CWY;
2098         wc.x = win->g.x;
2099         wc.y = win->g.y;
2100
2101         DNPRINTF(SWM_D_STACK, "move_window: win %lu x %d y %d w %d h %d\n",
2102             win->id, wc.x, wc.y, wc.width, wc.height);
2103
2104         XConfigureWindow(display, win->id, mask, &wc);
2105         config_win(win);
2106 }
2107
2108 void
2109 move(struct ws_win *win, union arg *args)
2110 {
2111         XEvent                  ev;
2112         Time                    time = 0;
2113         int                     restack = 0;
2114
2115         DNPRINTF(SWM_D_MOUSE, "move: win %lu floating %d trans %d\n",
2116             win->id, win->floating, win->transient);
2117
2118         if (win->floating == 0) {
2119                 win->floating = 1;
2120                 win->manual = 1;
2121                 restack = 1;
2122         }
2123
2124         if (XGrabPointer(display, win->id, False, MOUSEMASK, GrabModeAsync,
2125             GrabModeAsync, None, None /* cursor */, CurrentTime) != GrabSuccess)
2126                 return;
2127         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2128         do {
2129                 XMaskEvent(display, MOUSEMASK | ExposureMask |
2130                     SubstructureRedirectMask, &ev);
2131                 switch(ev.type) {
2132                 case ConfigureRequest:
2133                 case Expose:
2134                 case MapRequest:
2135                         handler[ev.type](&ev);
2136                         break;
2137                 case MotionNotify:
2138                         win->g.x = ev.xmotion.x_root;
2139                         win->g.y = ev.xmotion.y_root;
2140
2141                         /* not free, don't sync more than 60 times / second */
2142                         if ((ev.xmotion.time - time) > (1000 / 60) ) {
2143                                 time = ev.xmotion.time;
2144                                 XSync(display, False);
2145                                 move_window(win);
2146                         }
2147                         break;
2148                 }
2149         } while (ev.type != ButtonRelease);
2150         if (time) {
2151                 XSync(display, False);
2152                 move_window(win);
2153         }
2154         XWarpPointer(display, None, win->id, 0, 0, 0, 0, 0, 0);
2155         XUngrabPointer(display, CurrentTime);
2156         if (restack)
2157                 stack();
2158
2159         /* drain events */
2160         while (XCheckMaskEvent(display, EnterWindowMask, &ev));
2161 }
2162
2163 /* key definitions */
2164 void
2165 dummykeyfunc(struct swm_region *r, union arg *args)
2166 {
2167 };
2168
2169 void
2170 legacyfunc(struct swm_region *r, union arg *args)
2171 {
2172 };
2173
2174 struct keyfunc {
2175         char                    name[SWM_FUNCNAME_LEN];
2176         void                    (*func)(struct swm_region *r, union arg *);
2177         union arg               args;
2178 } keyfuncs[kf_invalid + 1] = {
2179         /* name                 function        argument */
2180         { "cycle_layout",       cycle_layout,   {0} },
2181         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
2182         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
2183         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
2184         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
2185         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
2186         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
2187         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
2188         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
2189         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
2190         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
2191         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
2192         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
2193         { "spawn_term",         spawnterm,      {.argv = spawn_term} },
2194         { "spawn_menu",         legacyfunc,     {0} },
2195         { "quit",               quit,           {0} },
2196         { "restart",            restart,        {0} },
2197         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
2198         { "ws_1",               switchws,       {.id = 0} },
2199         { "ws_2",               switchws,       {.id = 1} },
2200         { "ws_3",               switchws,       {.id = 2} },
2201         { "ws_4",               switchws,       {.id = 3} },
2202         { "ws_5",               switchws,       {.id = 4} },
2203         { "ws_6",               switchws,       {.id = 5} },
2204         { "ws_7",               switchws,       {.id = 6} },
2205         { "ws_8",               switchws,       {.id = 7} },
2206         { "ws_9",               switchws,       {.id = 8} },
2207         { "ws_10",              switchws,       {.id = 9} },
2208         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
2209         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
2210         { "screen_next",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_UP} },
2211         { "screen_prev",        cyclescr,       {.id = SWM_ARG_ID_CYCLESC_DOWN} },
2212         { "mvws_1",             send_to_ws,     {.id = 0} },
2213         { "mvws_2",             send_to_ws,     {.id = 1} },
2214         { "mvws_3",             send_to_ws,     {.id = 2} },
2215         { "mvws_4",             send_to_ws,     {.id = 3} },
2216         { "mvws_5",             send_to_ws,     {.id = 4} },
2217         { "mvws_6",             send_to_ws,     {.id = 5} },
2218         { "mvws_7",             send_to_ws,     {.id = 6} },
2219         { "mvws_8",             send_to_ws,     {.id = 7} },
2220         { "mvws_9",             send_to_ws,     {.id = 8} },
2221         { "mvws_10",            send_to_ws,     {.id = 9} },
2222         { "bar_toggle",         bar_toggle,     {0} },
2223         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
2224         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
2225         { "screenshot_all",     legacyfunc,     {0} },
2226         { "screenshot_wind",    legacyfunc,     {0} },
2227         { "float_toggle",       floating_toggle,{0} },
2228         { "version",            version,        {0} },
2229         { "spawn_lock",         legacyfunc,     {0} },
2230         { "spawn_initscr",      legacyfunc,     {0} },
2231         { "spawn_custom",       dummykeyfunc,   {0} },
2232         { "invalid key func",   NULL,           {0} },
2233 };
2234 struct key {
2235         unsigned int            mod;
2236         KeySym                  keysym;
2237         enum keyfuncid          funcid;
2238         char                    *spawn_name;
2239 };
2240 int                             keys_size = 0, keys_length = 0;
2241 struct key                      *keys = NULL;
2242
2243 /* mouse */
2244 enum { client_click, root_click };
2245 struct button {
2246         unsigned int            action;
2247         unsigned int            mask;
2248         unsigned int            button;
2249         void                    (*func)(struct ws_win *, union arg *);
2250         union arg               args;
2251 } buttons[] = {
2252           /* action     key             mouse button    func    args */
2253         { client_click, MODKEY,         Button3,        resize, {.id = SWM_ARG_ID_DONTCENTER} },
2254         { client_click, MODKEY | ShiftMask, Button3,    resize, {.id = SWM_ARG_ID_CENTER} },
2255         { client_click, MODKEY,         Button1,        move,   {0} },
2256 };
2257
2258 void
2259 update_modkey(unsigned int mod)
2260 {
2261         int                     i;
2262
2263         mod_key = mod;
2264         for (i = 0; i < keys_length; i++)
2265                 if (keys[i].mod & ShiftMask)
2266                         keys[i].mod = mod | ShiftMask;
2267                 else
2268                         keys[i].mod = mod;
2269
2270         for (i = 0; i < LENGTH(buttons); i++)
2271                 if (buttons[i].mask & ShiftMask)
2272                         buttons[i].mask = mod | ShiftMask;
2273                 else
2274                         buttons[i].mask = mod;
2275 }
2276
2277 /* spawn */
2278 struct spawn_prog {
2279         char                    *name;
2280         int                     argc;
2281         char                    **argv;
2282 };
2283
2284 int                             spawns_size = 0, spawns_length = 0;
2285 struct spawn_prog               *spawns = NULL;
2286
2287 void
2288 spawn_custom(struct swm_region *r, union arg *args, char *spawn_name)
2289 {
2290         union arg               a;
2291         struct spawn_prog       *prog = NULL;
2292         int                     i;
2293         char                    *ap, **real_args;
2294
2295         DNPRINTF(SWM_D_SPAWN, "spawn_custom %s\n", spawn_name);
2296
2297         /* find program */
2298         for (i = 0; i < spawns_length; i++) {
2299                 if (!strcasecmp(spawn_name, spawns[i].name))
2300                         prog = &spawns[i];
2301         }
2302         if (prog == NULL) {
2303                 fprintf(stderr, "spawn_custom: program %s not found\n",
2304                     spawn_name);
2305                 return;
2306         }
2307
2308         /* make room for expanded args */
2309         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
2310                 err(1, "spawn_custom: calloc real_args");
2311
2312         /* expand spawn_args into real_args */
2313         for (i = 0; i < prog->argc; i++) {
2314                 ap = prog->argv[i];
2315                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg = %s\n", ap);
2316                 if (!strcasecmp(ap, "$bar_border")) {
2317                         if ((real_args[i] =
2318                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
2319                             == NULL)
2320                                 err(1,  "spawn_custom border color");
2321                 } else if (!strcasecmp(ap, "$bar_color")) {
2322                         if ((real_args[i] =
2323                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
2324                             == NULL)
2325                                 err(1, "spawn_custom bar color");
2326                 } else if (!strcasecmp(ap, "$bar_font")) {
2327                         if ((real_args[i] = strdup(bar_fonts[bar_fidx]))
2328                             == NULL)
2329                                 err(1, "spawn_custom bar fonts");
2330                 } else if (!strcasecmp(ap, "$bar_font_color")) {
2331                         if ((real_args[i] =
2332                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
2333                             == NULL)
2334                                 err(1, "spawn_custom color font");
2335                 } else if (!strcasecmp(ap, "$color_focus")) {
2336                         if ((real_args[i] =
2337                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
2338                             == NULL)
2339                                 err(1, "spawn_custom color focus");
2340                 } else if (!strcasecmp(ap, "$color_unfocus")) {
2341                         if ((real_args[i] =
2342                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
2343                             == NULL)
2344                                 err(1, "spawn_custom color unfocus");
2345                 } else {
2346                         /* no match --> copy as is */
2347                         if ((real_args[i] = strdup(ap)) == NULL)
2348                                 err(1, "spawn_custom strdup(ap)");
2349                 }
2350                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg = %s\n",
2351                     real_args[i]);
2352         }
2353
2354 #ifdef SWM_DEBUG
2355         if ((swm_debug & SWM_D_SPAWN) != 0) {
2356                 fprintf(stderr, "spawn_custom: result = ");
2357                 for (i = 0; i < prog->argc; i++)
2358                         fprintf(stderr, "\"%s\" ", real_args[i]);
2359                 fprintf(stderr, "\n");
2360         }
2361 #endif
2362
2363         a.argv = real_args;
2364         spawn(r, &a);
2365         for (i = 0; i < prog->argc; i++)
2366                 free(real_args[i]);
2367         free(real_args);
2368 }
2369
2370 void
2371 setspawn(struct spawn_prog *prog)
2372 {
2373         int                     i, j;
2374
2375         if (prog == NULL || prog->name == NULL)
2376                 return;
2377
2378         /* find existing */
2379         for (i = 0; i < spawns_length; i++) {
2380                 if (!strcmp(spawns[i].name, prog->name)) {
2381                         /* found */
2382                         if (prog->argv == NULL) {
2383                                 /* delete */
2384                                 DNPRINTF(SWM_D_SPAWN,
2385                                     "setspawn: delete #%d %s\n",
2386                                     i, spawns[i].name);
2387                                 free(spawns[i].name);
2388                                 for (j = 0; j < spawns[i].argc; j++)
2389                                         free(spawns[i].argv[j]);
2390                                 free(spawns[i].argv);
2391                                 j = spawns_length - 1;
2392                                 if (i < j)
2393                                         spawns[i] = spawns[j];
2394                                 spawns_length--;
2395                                 free(prog->name);
2396                         } else {
2397                                 /* replace */
2398                                 DNPRINTF(SWM_D_SPAWN,
2399                                     "setspawn: replace #%d %s\n",
2400                                     i, spawns[i].name);
2401                                 free(spawns[i].name);
2402                                 for (j = 0; j < spawns[i].argc; j++)
2403                                         free(spawns[i].argv[j]);
2404                                 free(spawns[i].argv);
2405                                 spawns[i] = *prog;
2406                         }
2407                         /* found case handled */
2408                         free(prog);
2409                         return;
2410                 }
2411         }
2412
2413         if (prog->argv == NULL) {
2414                 fprintf(stderr,
2415                     "error: setspawn: cannot find program %s", prog->name);
2416                 free(prog);
2417                 return;
2418         }
2419
2420         /* not found: add */
2421         if (spawns_size == 0 || spawns == NULL) {
2422                 spawns_size = 4;
2423                 DNPRINTF(SWM_D_SPAWN, "setspawn: init list %d\n", spawns_size);
2424                 spawns = malloc((size_t)spawns_size *
2425                     sizeof(struct spawn_prog));
2426                 if (spawns == NULL) {
2427                         fprintf(stderr, "setspawn: malloc failed\n");
2428                         perror(" failed");
2429                         quit(NULL, NULL);
2430                 }
2431         } else if (spawns_length == spawns_size) {
2432                 spawns_size *= 2;
2433                 DNPRINTF(SWM_D_SPAWN, "setspawn: grow list %d\n", spawns_size);
2434                 spawns = realloc(spawns, (size_t)spawns_size *
2435                     sizeof(struct spawn_prog));
2436                 if (spawns == NULL) {
2437                         fprintf(stderr, "setspawn: realloc failed\n");
2438                         perror(" failed");
2439                         quit(NULL, NULL);
2440                 }
2441         }
2442
2443         if (spawns_length < spawns_size) {
2444                 DNPRINTF(SWM_D_SPAWN, "setspawn: add #%d %s\n",
2445                     spawns_length, prog->name);
2446                 i = spawns_length++;
2447                 spawns[i] = *prog;
2448         } else {
2449                 fprintf(stderr, "spawns array problem?\n");
2450                 if (spawns == NULL) {
2451                         fprintf(stderr, "spawns array is NULL!\n");
2452                         quit(NULL, NULL);
2453                 }
2454         }
2455         free(prog);
2456 }
2457
2458 int
2459 setconfspawn(char *selector, char *value, int flags)
2460 {
2461         struct spawn_prog       *prog;
2462         char                    *vp, *cp, *word;
2463
2464         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, value);
2465         if ((prog = calloc(1, sizeof *prog)) == NULL)
2466                 err(1, "setconfspawn: calloc prog");
2467         prog->name = strdup(selector);
2468         if (prog->name == NULL)
2469                 err(1, "setconfspawn prog->name");
2470         if ((cp = vp = strdup(value)) == NULL)
2471                 err(1, "setconfspawn: strdup(value) ");
2472         while ((word = strsep(&cp, " \t")) != NULL) {
2473                 DNPRINTF(SWM_D_SPAWN, "setconfspawn: arg [%s]\n", word);
2474                 if (cp)
2475                         cp += (long)strspn(cp, " \t");
2476                 if (strlen(word) > 0) {
2477                         prog->argc++;
2478                         prog->argv = realloc(prog->argv,
2479                             prog->argc * sizeof(char *));
2480                         if ((prog->argv[prog->argc - 1] = strdup(word)) == NULL)
2481                                 err(1, "setconfspawn: strdup");
2482                 }
2483         }
2484         free(vp);
2485
2486         setspawn(prog);
2487
2488         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done\n");
2489         return (0);
2490 }
2491
2492 void
2493 setup_spawn(void)
2494 {
2495         setconfspawn("term",            "xterm",                0);
2496         setconfspawn("screenshot_all",  "screenshot.sh full",   0);
2497         setconfspawn("screenshot_wind", "screenshot.sh window", 0);
2498         setconfspawn("lock",            "xlock",                0);
2499         setconfspawn("initscr",         "initscreen.sh",        0);
2500         setconfspawn("menu",            "dmenu_run"
2501                                         " -fn $bar_font"
2502                                         " -nb $bar_color"
2503                                         " -nf $bar_font_color"
2504                                         " -sb $bar_border"
2505                                         " -sf $bar_color",      0);
2506 }
2507
2508 /* key bindings */
2509 #define SWM_MODNAME_SIZE        32
2510 #define SWM_KEY_WS              "\n+ \t"
2511 int
2512 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
2513 {
2514         char                    *cp, *name;
2515         KeySym                  uks;
2516         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
2517         if (mod == NULL || ks == NULL) {
2518                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
2519                 return (1);
2520         }
2521         if (keystr == NULL || strlen(keystr) == 0) {
2522                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
2523                 return (1);
2524         }
2525         cp = keystr;
2526         *ks = NoSymbol;
2527         *mod = 0;
2528         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
2529                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
2530                 if (cp)
2531                         cp += (long)strspn(cp, SWM_KEY_WS);
2532                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
2533                         *mod |= currmod;
2534                 else if (!strncasecmp(name, "Mod1", SWM_MODNAME_SIZE))
2535                         *mod |= Mod1Mask;
2536                 else if (!strncasecmp(name, "Mod2", SWM_MODNAME_SIZE))
2537                         *mod += Mod2Mask;
2538                 else if (!strncmp(name, "Mod3", SWM_MODNAME_SIZE))
2539                         *mod |= Mod3Mask;
2540                 else if (!strncmp(name, "Mod4", SWM_MODNAME_SIZE))
2541                         *mod |= Mod4Mask;
2542                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
2543                         *mod |= ShiftMask;
2544                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
2545                         *mod |= ControlMask;
2546                 else {
2547                         *ks = XStringToKeysym(name);
2548                         XConvertCase(*ks, ks, &uks);
2549                         if (ks == NoSymbol) {
2550                                 DNPRINTF(SWM_D_KEY,
2551                                     "parsekeys: invalid key %s\n",
2552                                     name);
2553                                 return (1);
2554                         }
2555                 }
2556         }
2557         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
2558         return (0);
2559 }
2560 char *
2561 strdupsafe(char *str)
2562 {
2563         if (str == NULL)
2564                 return (NULL);
2565         else
2566                 return (strdup(str));
2567 }
2568 void
2569 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid, char *spawn_name)
2570 {
2571         int                     i, j;
2572         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
2573             keyfuncs[kfid].name, spawn_name);
2574         /* find existing */
2575         for (i = 0; i < keys_length; i++) {
2576                 if (keys[i].mod == mod && keys[i].keysym == ks) {
2577                         if (kfid == kf_invalid) {
2578                                 /* found: delete */
2579                                 DNPRINTF(SWM_D_KEY,
2580                                     "setkeybinding: delete #%d %s\n",
2581                                     i, keyfuncs[keys[i].funcid].name);
2582                                 free(keys[i].spawn_name);
2583                                 j = keys_length - 1;
2584                                 if (i < j)
2585                                         keys[i] = keys[j];
2586                                 keys_length--;
2587                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2588                                 return;
2589                         } else {
2590                                 /* found: replace */
2591                                 DNPRINTF(SWM_D_KEY,
2592                                     "setkeybinding: replace #%d %s %s\n",
2593                                     i, keyfuncs[keys[i].funcid].name,
2594                                     spawn_name);
2595                                 free(keys[i].spawn_name);
2596                                 keys[i].mod = mod;
2597                                 keys[i].keysym = ks;
2598                                 keys[i].funcid = kfid;
2599                                 keys[i].spawn_name = strdupsafe(spawn_name);
2600                                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2601                                 return;
2602                         }
2603                 }
2604         }
2605         if (kfid == kf_invalid) {
2606                 fprintf(stderr,
2607                     "error: setkeybinding: cannot find mod/key combination");
2608                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2609                 return;
2610         }
2611         /* not found: add */
2612         if (keys_size == 0 || keys == NULL) {
2613                 keys_size = 4;
2614                 DNPRINTF(SWM_D_KEY, "setkeybinding: init list %d\n", keys_size);
2615                 keys = malloc((size_t)keys_size * sizeof(struct key));
2616                 if (!keys) {
2617                         fprintf(stderr, "malloc failed\n");
2618                         perror(" failed");
2619                         quit(NULL, NULL);
2620                 }
2621         } else if (keys_length == keys_size) {
2622                 keys_size *= 2;
2623                 DNPRINTF(SWM_D_KEY, "setkeybinding: grow list %d\n", keys_size);
2624                 keys = realloc(keys, (size_t)keys_size * sizeof(struct key));
2625                 if (!keys) {
2626                         fprintf(stderr, "realloc failed\n");
2627                         perror(" failed");
2628                         quit(NULL, NULL);
2629                 }
2630         }
2631         if (keys_length < keys_size) {
2632                 j = keys_length++;
2633                 DNPRINTF(SWM_D_KEY, "setkeybinding: add #%d %s %s\n",
2634                     j, keyfuncs[kfid].name, spawn_name);
2635                 keys[j].mod = mod;
2636                 keys[j].keysym = ks;
2637                 keys[j].funcid = kfid;
2638                 keys[j].spawn_name = strdupsafe(spawn_name);
2639         } else {
2640                 fprintf(stderr, "keys array problem?\n");
2641                 if (!keys) {
2642                         fprintf(stderr, "keys array problem\n");
2643                         quit(NULL, NULL);
2644                 }
2645         }
2646         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
2647 }
2648 int
2649 setconfbinding(char *selector, char *value, int flags)
2650 {
2651         enum keyfuncid          kfid;
2652         unsigned int            mod;
2653         KeySym                  ks;
2654         int                     i;
2655         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
2656         if (selector == NULL) {
2657                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
2658                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2659                         kfid = kf_invalid;
2660                         setkeybinding(mod, ks, kfid, NULL);
2661                         return (0);
2662                 } else
2663                         return (1);
2664         }
2665         /* search by key function name */
2666         for (kfid = 0; kfid < kf_invalid; (kfid)++) {
2667                 if (strncasecmp(selector, keyfuncs[kfid].name,
2668                     SWM_FUNCNAME_LEN) == 0) {
2669                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2670                             selector);
2671                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2672                                 setkeybinding(mod, ks, kfid, NULL);
2673                                 return (0);
2674                         } else
2675                                 return (1);
2676                 }
2677         }
2678         /* search by custom spawn name */
2679         for (i = 0; i < spawns_length; i++) {
2680                 if (strcasecmp(selector, spawns[i].name) == 0) {
2681                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match\n",
2682                             selector);
2683                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
2684                                 setkeybinding(mod, ks, kf_spawn_custom,
2685                                     spawns[i].name);
2686                                 return (0);
2687                         } else
2688                                 return (1);
2689                 }
2690         }
2691         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
2692         return (1);
2693 }
2694 void
2695 setup_keys(void)
2696 {
2697         setkeybinding(MODKEY,           XK_space,       kf_cycle_layout,NULL);
2698         setkeybinding(MODKEY|ShiftMask, XK_space,       kf_stack_reset, NULL);
2699         setkeybinding(MODKEY,           XK_h,           kf_master_shrink,NULL);
2700         setkeybinding(MODKEY,           XK_l,           kf_master_grow, NULL);
2701         setkeybinding(MODKEY,           XK_comma,       kf_master_add,  NULL);
2702         setkeybinding(MODKEY,           XK_period,      kf_master_del,  NULL);
2703         setkeybinding(MODKEY|ShiftMask, XK_comma,       kf_stack_inc,   NULL);
2704         setkeybinding(MODKEY|ShiftMask, XK_period,      kf_stack_dec,   NULL);
2705         setkeybinding(MODKEY,           XK_Return,      kf_swap_main,   NULL);
2706         setkeybinding(MODKEY,           XK_j,           kf_focus_next,  NULL);
2707         setkeybinding(MODKEY,           XK_k,           kf_focus_prev,  NULL);
2708         setkeybinding(MODKEY|ShiftMask, XK_j,           kf_swap_next,   NULL);
2709         setkeybinding(MODKEY|ShiftMask, XK_k,           kf_swap_prev,   NULL);
2710         setkeybinding(MODKEY|ShiftMask, XK_Return,      kf_spawn_term,  NULL);
2711         setkeybinding(MODKEY,           XK_p,           kf_spawn_custom,        "menu");
2712         setkeybinding(MODKEY|ShiftMask, XK_q,           kf_quit,        NULL);
2713         setkeybinding(MODKEY,           XK_q,           kf_restart,     NULL);
2714         setkeybinding(MODKEY,           XK_m,           kf_focus_main,  NULL);
2715         setkeybinding(MODKEY,           XK_1,           kf_ws_1,        NULL);
2716         setkeybinding(MODKEY,           XK_2,           kf_ws_2,        NULL);
2717         setkeybinding(MODKEY,           XK_3,           kf_ws_3,        NULL);
2718         setkeybinding(MODKEY,           XK_4,           kf_ws_4,        NULL);
2719         setkeybinding(MODKEY,           XK_5,           kf_ws_5,        NULL);
2720         setkeybinding(MODKEY,           XK_6,           kf_ws_6,        NULL);
2721         setkeybinding(MODKEY,           XK_7,           kf_ws_7,        NULL);
2722         setkeybinding(MODKEY,           XK_8,           kf_ws_8,        NULL);
2723         setkeybinding(MODKEY,           XK_9,           kf_ws_9,        NULL);
2724         setkeybinding(MODKEY,           XK_0,           kf_ws_10,       NULL);
2725         setkeybinding(MODKEY,           XK_Right,       kf_ws_next,     NULL);
2726         setkeybinding(MODKEY,           XK_Left,        kf_ws_prev,     NULL);
2727         setkeybinding(MODKEY|ShiftMask, XK_Right,       kf_screen_next, NULL);
2728         setkeybinding(MODKEY|ShiftMask, XK_Left,        kf_screen_prev, NULL);
2729         setkeybinding(MODKEY|ShiftMask, XK_1,           kf_mvws_1,      NULL);
2730         setkeybinding(MODKEY|ShiftMask, XK_2,           kf_mvws_2,      NULL);
2731         setkeybinding(MODKEY|ShiftMask, XK_3,           kf_mvws_3,      NULL);
2732         setkeybinding(MODKEY|ShiftMask, XK_4,           kf_mvws_4,      NULL);
2733         setkeybinding(MODKEY|ShiftMask, XK_5,           kf_mvws_5,      NULL);
2734         setkeybinding(MODKEY|ShiftMask, XK_6,           kf_mvws_6,      NULL);
2735         setkeybinding(MODKEY|ShiftMask, XK_7,           kf_mvws_7,      NULL);
2736         setkeybinding(MODKEY|ShiftMask, XK_8,           kf_mvws_8,      NULL);
2737         setkeybinding(MODKEY|ShiftMask, XK_9,           kf_mvws_9,      NULL);
2738         setkeybinding(MODKEY|ShiftMask, XK_0,           kf_mvws_10,     NULL);
2739         setkeybinding(MODKEY,           XK_b,           kf_bar_toggle,  NULL);
2740         setkeybinding(MODKEY,           XK_Tab,         kf_focus_next,  NULL);
2741         setkeybinding(MODKEY|ShiftMask, XK_Tab,         kf_focus_prev,  NULL);
2742         setkeybinding(MODKEY|ShiftMask, XK_x,           kf_wind_kill,   NULL);
2743         setkeybinding(MODKEY,           XK_x,           kf_wind_del,    NULL);
2744         setkeybinding(MODKEY,           XK_s,           kf_spawn_custom,        "screenshot_all");
2745         setkeybinding(MODKEY|ShiftMask, XK_s,           kf_spawn_custom,        "screenshot_wind");
2746         setkeybinding(MODKEY,           XK_t,           kf_float_toggle,NULL);
2747         setkeybinding(MODKEY|ShiftMask, XK_v,           kf_version,     NULL);
2748         setkeybinding(MODKEY|ShiftMask, XK_Delete,      kf_spawn_custom,        "lock");
2749         setkeybinding(MODKEY|ShiftMask, XK_i,           kf_spawn_custom,        "initscr");
2750 }
2751 void
2752 updatenumlockmask(void)
2753 {
2754         unsigned int            i, j;
2755         XModifierKeymap         *modmap;
2756
2757         DNPRINTF(SWM_D_MISC, "updatenumlockmask\n");
2758         numlockmask = 0;
2759         modmap = XGetModifierMapping(display);
2760         for (i = 0; i < 8; i++)
2761                 for (j = 0; j < modmap->max_keypermod; j++)
2762                         if (modmap->modifiermap[i * modmap->max_keypermod + j]
2763                           == XKeysymToKeycode(display, XK_Num_Lock))
2764                                 numlockmask = (1 << i);
2765
2766         XFreeModifiermap(modmap);
2767 }
2768
2769 void
2770 grabkeys(void)
2771 {
2772         unsigned int            i, j, k;
2773         KeyCode                 code;
2774         unsigned int            modifiers[] =
2775             { 0, LockMask, numlockmask, numlockmask | LockMask };
2776
2777         DNPRINTF(SWM_D_MISC, "grabkeys\n");
2778         updatenumlockmask();
2779
2780         for (k = 0; k < ScreenCount(display); k++) {
2781                 if (TAILQ_EMPTY(&screens[k].rl))
2782                         continue;
2783                 XUngrabKey(display, AnyKey, AnyModifier, screens[k].root);
2784                 for (i = 0; i < keys_length; i++) {
2785                         if ((code = XKeysymToKeycode(display, keys[i].keysym)))
2786                                 for (j = 0; j < LENGTH(modifiers); j++)
2787                                         XGrabKey(display, code,
2788                                             keys[i].mod | modifiers[j],
2789                                             screens[k].root, True,
2790                                             GrabModeAsync, GrabModeAsync);
2791                 }
2792         }
2793 }
2794
2795 void
2796 grabbuttons(struct ws_win *win, int focused)
2797 {
2798         unsigned int            i, j;
2799         unsigned int            modifiers[] =
2800             { 0, LockMask, numlockmask, numlockmask|LockMask };
2801
2802         updatenumlockmask();
2803         XUngrabButton(display, AnyButton, AnyModifier, win->id);
2804         if(focused) {
2805                 for (i = 0; i < LENGTH(buttons); i++)
2806                         if (buttons[i].action == client_click)
2807                                 for (j = 0; j < LENGTH(modifiers); j++)
2808                                         XGrabButton(display, buttons[i].button,
2809                                             buttons[i].mask | modifiers[j],
2810                                             win->id, False, BUTTONMASK,
2811                                             GrabModeAsync, GrabModeSync, None,
2812                                             None);
2813         } else
2814                 XGrabButton(display, AnyButton, AnyModifier, win->id, False,
2815                     BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
2816 }
2817
2818 const char *quirkname[] = {
2819         "NONE",         /* config string for "no value" */
2820         "FLOAT",
2821         "TRANSSZ",
2822         "ANYWHERE",
2823         "XTERM_FONTADJ",
2824         "FULLSCREEN",
2825 };
2826
2827 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
2828 #define SWM_Q_WS                "\n|+ \t"
2829 int
2830 parsequirks(char *qstr, unsigned long *quirk)
2831 {
2832         char                    *cp, *name;
2833         int                     i;
2834
2835         if (quirk == NULL)
2836                 return (1);
2837
2838         cp = qstr;
2839         *quirk = 0;
2840         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
2841                 if (cp)
2842                         cp += (long)strspn(cp, SWM_Q_WS);
2843                 for (i = 0; i < LENGTH(quirkname); i++) {
2844                         if (!strncasecmp(name, quirkname[i], SWM_QUIRK_LEN)) {
2845                                 DNPRINTF(SWM_D_QUIRK, "parsequirks: %s\n", name);
2846                                 if (i == 0) {
2847                                         *quirk = 0;
2848                                         return (0);
2849                                 }
2850                                 *quirk |= 1 << (i-1);
2851                                 break;
2852                         }
2853                 }
2854                 if (i >= LENGTH(quirkname)) {
2855                         DNPRINTF(SWM_D_QUIRK,
2856                             "parsequirks: invalid quirk [%s]\n", name);
2857                         return (1);
2858                 }
2859         }
2860         return (0);
2861 }
2862 void
2863 setquirk(const char *class, const char *name, const int quirk)
2864 {
2865         int                     i, j;
2866
2867         /* find existing */
2868         for (i = 0; i < quirks_length; i++) {
2869                 if (!strcmp(quirks[i].class, class) &&
2870                     !strcmp(quirks[i].name, name)) {
2871                         if (!quirk) {
2872                                 /* found: delete */
2873                                 DNPRINTF(SWM_D_QUIRK,
2874                                     "setquirk: delete #%d %s:%s\n",
2875                                     i, quirks[i].class, quirks[i].name);
2876                                 free(quirks[i].class);
2877                                 free(quirks[i].name);
2878                                 j = quirks_length - 1;
2879                                 if (i < j)
2880                                         quirks[i] = quirks[j];
2881                                 quirks_length--;
2882                                 return;
2883                         } else {
2884                                 /* found: replace */
2885                                 DNPRINTF(SWM_D_QUIRK,
2886                                     "setquirk: replace #%d %s:%s\n",
2887                                     i, quirks[i].class, quirks[i].name);
2888                                 free(quirks[i].class);
2889                                 free(quirks[i].name);
2890                                 quirks[i].class = strdup(class);
2891                                 quirks[i].name = strdup(name);
2892                                 quirks[i].quirk = quirk;
2893                                 return;
2894                         }
2895                 }
2896         }
2897         if (!quirk) {
2898                 fprintf(stderr,
2899                     "error: setquirk: cannot find class/name combination");
2900                 return;
2901         }
2902         /* not found: add */
2903         if (quirks_size == 0 || quirks == NULL) {
2904                 quirks_size = 4;
2905                 DNPRINTF(SWM_D_QUIRK, "setquirk: init list %d\n", quirks_size);
2906                 quirks = malloc((size_t)quirks_size * sizeof(struct quirk));
2907                 if (!quirks) {
2908                         fprintf(stderr, "setquirk: malloc failed\n");
2909                         perror(" failed");
2910                         quit(NULL, NULL);
2911                 }
2912         } else if (quirks_length == quirks_size) {
2913                 quirks_size *= 2;
2914                 DNPRINTF(SWM_D_QUIRK, "setquirk: grow list %d\n", quirks_size);
2915                 quirks = realloc(quirks, (size_t)quirks_size * sizeof(struct quirk));
2916                 if (!quirks) {
2917                         fprintf(stderr, "setquirk: realloc failed\n");
2918                         perror(" failed");
2919                         quit(NULL, NULL);
2920                 }
2921         }
2922         if (quirks_length < quirks_size) {
2923                 DNPRINTF(SWM_D_QUIRK, "setquirk: add %d\n", quirks_length);
2924                 j = quirks_length++;
2925                 quirks[j].class = strdup(class);
2926                 quirks[j].name = strdup(name);
2927                 quirks[j].quirk = quirk;
2928         } else {
2929                 fprintf(stderr, "quirks array problem?\n");
2930                 if (!quirks) {
2931                         fprintf(stderr, "quirks array problem!\n");
2932                         quit(NULL, NULL);
2933                 }
2934         }
2935 }
2936 int
2937 setconfquirk(char *selector, char *value, int flags)
2938 {
2939         char                    *cp, *class, *name;
2940         int                     retval;
2941         unsigned long           quirks;
2942         if (selector == NULL)
2943                 return (0);
2944         if ((cp = strchr(selector, ':')) == NULL)
2945                 return (0);
2946         *cp = '\0';
2947         class = selector;
2948         name = cp + 1;
2949         if ((retval = parsequirks(value, &quirks)) == 0)
2950                 setquirk(class, name, quirks);
2951         return (retval);
2952 }
2953
2954 void
2955 setup_quirks(void)
2956 {
2957         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
2958         setquirk("OpenOffice.org 2.4",  "VCLSalFrame",  SWM_Q_FLOAT);
2959         setquirk("OpenOffice.org 3.0",  "VCLSalFrame",  SWM_Q_FLOAT);
2960         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
2961         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
2962         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
2963         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
2964         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
2965         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
2966         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
2967         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
2968         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
2969         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
2970 }
2971
2972 /* conf file stuff */
2973 #define SWM_CONF_FILE   "scrotwm.conf"
2974
2975 enum    { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_CLOCK_ENABLED,
2976           SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED,
2977           SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED,
2978           SWM_S_BAR_FONT, SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP,
2979           SWM_S_DIALOG_RATIO };
2980
2981 int
2982 setconfvalue(char *selector, char *value, int flags)
2983 {
2984         switch (flags) {
2985         case SWM_S_BAR_DELAY:
2986                 bar_delay = atoi(value);
2987                 break;
2988         case SWM_S_BAR_ENABLED:
2989                 bar_enabled = atoi(value);
2990                 break;
2991         case SWM_S_CLOCK_ENABLED:
2992                 clock_enabled = atoi(value);
2993                 break;
2994         case SWM_S_CYCLE_EMPTY:
2995                 cycle_empty = atoi(value);
2996                 break;
2997         case SWM_S_CYCLE_VISIBLE:
2998                 cycle_visible = atoi(value);
2999                 break;
3000         case SWM_S_SS_ENABLED:
3001                 ss_enabled = atoi(value);
3002                 break;
3003         case SWM_S_TERM_WIDTH:
3004                 term_width = atoi(value);
3005                 break;
3006         case SWM_S_TITLE_CLASS_ENABLED:
3007                 title_class_enabled = atoi(value);
3008                 break;
3009         case SWM_S_TITLE_NAME_ENABLED:
3010                 title_name_enabled = atoi(value);
3011                 break;
3012         case SWM_S_BAR_FONT:
3013                 free(bar_fonts[0]);
3014                 if ((bar_fonts[0] = strdup(value)) == NULL)
3015                         err(1, "setconfvalue: bar_font");
3016                 break;
3017         case SWM_S_BAR_ACTION:
3018                 free(bar_argv[0]);
3019                 if ((bar_argv[0] = strdup(value)) == NULL)
3020                         err(1, "setconfvalue: bar_action");
3021                 break;
3022         case SWM_S_SPAWN_TERM:
3023                 free(spawn_term[0]);
3024                 if ((spawn_term[0] = strdup(value)) == NULL)
3025                         err(1, "setconfvalue: spawn_term");
3026                 break;
3027         case SWM_S_SS_APP:
3028                 break;
3029         case SWM_S_DIALOG_RATIO:
3030                 dialog_ratio = atof(value);
3031                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
3032                         dialog_ratio = .6;
3033                 break;
3034         default:
3035                 return (1);
3036         }
3037         return (0);
3038 }
3039
3040 int
3041 setconfmodkey(char *selector, char *value, int flags)
3042 {
3043         if (!strncasecmp(value, "Mod1", strlen("Mod1")))
3044                 update_modkey(Mod1Mask);
3045         else if (!strncasecmp(value, "Mod2", strlen("Mod2")))
3046                 update_modkey(Mod2Mask);
3047         else if (!strncasecmp(value, "Mod3", strlen("Mod3")))
3048                 update_modkey(Mod3Mask);
3049         else if (!strncasecmp(value, "Mod4", strlen("Mod4")))
3050                 update_modkey(Mod4Mask);
3051         else
3052                 return (1);
3053         return (0);
3054 }
3055
3056 int
3057 setconfcolor(char *selector, char *value, int flags)
3058 {
3059         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
3060         return (0);
3061 }
3062
3063 int
3064 setconfregion(char *selector, char *value, int flags)
3065 {
3066         custom_region(value);
3067         return (0);
3068 }
3069
3070 /* config options */
3071 struct config_option {
3072         char                    *optname;
3073         int (*func)(char*, char*, int);
3074         int funcflags;
3075 };
3076 struct config_option configopt[] = {
3077         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
3078         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
3079         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
3080         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
3081         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
3082         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
3083         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
3084         { "bind",                       setconfbinding, 0 },
3085         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
3086         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
3087         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
3088         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
3089         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
3090         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
3091         { "modkey",                     setconfmodkey,  0 },
3092         { "program",                    setconfspawn,   0 },
3093         { "quirk",                      setconfquirk,   0 },
3094         { "region",                     setconfregion,  0 },
3095         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
3096         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
3097         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
3098         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
3099         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
3100         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED }
3101 };
3102
3103
3104 int
3105 conf_load(char *filename)
3106 {
3107         FILE                    *config;
3108         char                    *line, *cp, *optsub, *optval;
3109         size_t                  linelen, lineno = 0;
3110         int                     wordlen, i, optind;
3111         struct config_option    *opt;
3112
3113         DNPRINTF(SWM_D_CONF, "conf_load begin\n");
3114
3115         if (filename == NULL) {
3116                 fprintf(stderr, "conf_load: no filename\n");
3117                 return (1);
3118         }
3119         if ((config = fopen(filename, "r")) == NULL) {
3120                 warn("conf_load: fopen");
3121                 return (1);
3122         }
3123
3124         while (!feof(config)) {
3125                 if ((line = fparseln(config, &linelen, &lineno, NULL, 0))
3126                     == NULL) {
3127                         if (ferror(config))
3128                                 err(1, "%s", filename);
3129                         else
3130                                 continue;
3131                 }
3132                 cp = line;
3133                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3134                 if (cp[0] == '\0') {
3135                         /* empty line */
3136                         free(line);
3137                         continue;
3138                 }
3139                 /* get config option */
3140                 wordlen = strcspn(cp, "=[ \t\n");
3141                 if (wordlen == 0) {
3142                         warnx("%s: line %zd: no option found",
3143                             filename, lineno);
3144                         return (1);
3145                 }
3146                 optind = -1;
3147                 for (i = 0; i < LENGTH(configopt); i++) {
3148                         opt = &configopt[i];
3149                         if (!strncasecmp(cp, opt->optname, wordlen) &&
3150                             strlen(opt->optname) == wordlen) {
3151                                 optind = i;
3152                                 break;
3153                         }
3154                 }
3155                 if (optind == -1) {
3156                         warnx("%s: line %zd: unknown option %.*s",
3157                             filename, lineno, wordlen, cp);
3158                         return (1);
3159                 }
3160                 cp += wordlen;
3161                 cp += strspn(cp, " \t\n"); /* eat whitespace */
3162                 /* get [selector] if any */
3163                 optsub = NULL;
3164                 if (*cp == '[') {
3165                         cp++;
3166                         wordlen = strcspn(cp, "]");
3167                         if (*cp != ']') {
3168                                 if (wordlen == 0) {
3169                                         warnx("%s: line %zd: syntax error",
3170                                             filename, lineno);
3171                                         return (1);
3172                                 }
3173                                 asprintf(&optsub, "%.*s", wordlen, cp);
3174                         }
3175                         cp += wordlen;
3176                         cp += strspn(cp, "] \t\n"); /* eat trailing */
3177                 }
3178                 cp += strspn(cp, "= \t\n"); /* eat trailing */
3179                 /* get RHS value */
3180                 optval = strdup(cp);
3181                 /* call function to deal with it all */
3182                 if (configopt[optind].func(optsub, optval,
3183                     configopt[optind].funcflags) != 0) {
3184                         fprintf(stderr, "%s line %zd: %s\n",
3185                             filename, lineno, line);
3186                         errx(1, "%s: line %zd: invalid data for %s",
3187                             filename, lineno, configopt[optind].optname);
3188                 }
3189                 free(optval);
3190                 free(optsub);
3191                 free(line);
3192         }
3193
3194         fclose(config);
3195         DNPRINTF(SWM_D_CONF, "conf_load end\n");
3196
3197         return (0);
3198 }
3199
3200 struct ws_win *
3201 manage_window(Window id)
3202 {
3203         Window                  trans = 0;
3204         struct workspace        *ws;
3205         struct ws_win           *win, *ww;
3206         int                     format, i, ws_idx, n, border_me = 0;
3207         unsigned long           nitems, bytes;
3208         Atom                    ws_idx_atom = 0, type;
3209         Atom                    *prot = NULL, *pp;
3210         unsigned char           ws_idx_str[SWM_PROPLEN], *prop = NULL;
3211         struct swm_region       *r;
3212         long                    mask;
3213         const char              *errstr;
3214         XWindowChanges          wc;
3215
3216         if ((win = find_window(id)) != NULL)
3217                         return (win);   /* already being managed */
3218
3219         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
3220                 errx(1, "calloc: failed to allocate memory for new window");
3221
3222         /* Get all the window data in one shot */
3223         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3224         if (ws_idx_atom)
3225                 XGetWindowProperty(display, id, ws_idx_atom, 0, SWM_PROPLEN,
3226                     False, XA_STRING, &type, &format, &nitems, &bytes, &prop);
3227         XGetWindowAttributes(display, id, &win->wa);
3228         XGetWMNormalHints(display, id, &win->sh, &mask);
3229         XGetTransientForHint(display, id, &trans);
3230         if (trans) {
3231                 win->transient = trans;
3232                 DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
3233                     (unsigned)win->id, win->transient);
3234         }
3235         /* get supported protocols */
3236         if (XGetWMProtocols(display, id, &prot, &n)) {
3237                 for (i = 0, pp = prot; i < n; i++, pp++)
3238                         if (*pp == adelete)
3239                                 win->can_delete = 1;
3240                 if (prot)
3241                         XFree(prot);
3242         }
3243
3244         /*
3245          * Figure out where to put the window. If it was previously assigned to
3246          * a workspace (either by spawn() or manually moving), and isn't
3247          * transient, * put it in the same workspace
3248          */
3249         r = root_to_region(win->wa.root);
3250         if (prop && win->transient == 0) {
3251                 DNPRINTF(SWM_D_PROP, "got property _SWM_WS=%s\n", prop);
3252                 ws_idx = strtonum(prop, 0, 9, &errstr);
3253                 if (errstr) {
3254                         DNPRINTF(SWM_D_EVENT, "window idx is %s: %s",
3255                             errstr, prop);
3256                 }
3257                 ws = &r->s->ws[ws_idx];
3258         } else {
3259                 ws = r->ws;
3260                 /* this should launch transients in the same ws as parent */
3261                 if (id && trans)
3262                         if ((ww = find_window(trans)) != NULL)
3263                                 if (ws->r) {
3264                                         ws = ww->ws;
3265                                         if (ww->ws->r)
3266                                                 r = ww->ws->r;
3267                                         else
3268                                                 fprintf(stderr,
3269                                                     "fix this bug mcbride\n");
3270                                         border_me = 1;
3271                                 }
3272         }
3273
3274         /* set up the window layout */
3275         win->id = id;
3276         win->ws = ws;
3277         win->s = r->s;  /* this never changes */
3278         TAILQ_INSERT_TAIL(&ws->winlist, win, entry);
3279
3280         win->g.w = win->wa.width;
3281         win->g.h = win->wa.height;
3282         win->g.x = win->wa.x;
3283         win->g.y = win->wa.y;
3284
3285         /* Set window properties so we can remember this after reincarnation */
3286         if (ws_idx_atom && prop == NULL &&
3287             snprintf(ws_idx_str, SWM_PROPLEN, "%d", ws->idx) < SWM_PROPLEN) {
3288                 DNPRINTF(SWM_D_PROP, "setting property _SWM_WS to %s\n",
3289                     ws_idx_str);
3290                 XChangeProperty(display, win->id, ws_idx_atom, XA_STRING, 8,
3291                     PropModeReplace, ws_idx_str, SWM_PROPLEN);
3292         }
3293         XFree(prop);
3294
3295         if (XGetClassHint(display, win->id, &win->ch)) {
3296                 DNPRINTF(SWM_D_CLASS, "class: %s name: %s\n",
3297                     win->ch.res_class, win->ch.res_name);
3298                 for (i = 0; i < quirks_length; i++){
3299                         if (!strcmp(win->ch.res_class, quirks[i].class) &&
3300                             !strcmp(win->ch.res_name, quirks[i].name)) {
3301                                 DNPRINTF(SWM_D_CLASS, "found: %s name: %s\n",
3302                                     win->ch.res_class, win->ch.res_name);
3303                                 if (quirks[i].quirk & SWM_Q_FLOAT)
3304                                         win->floating = 1;
3305                                 win->quirks = quirks[i].quirk;
3306                         }
3307                 }
3308         }
3309
3310         /* alter window position if quirky */
3311         if (win->quirks & SWM_Q_ANYWHERE) {
3312                 win->manual = 1; /* don't center the quirky windows */
3313                 bzero(&wc, sizeof wc);
3314                 mask = 0;
3315                 if (win->g.y < bar_height) {
3316                         win->g.y = wc.y = bar_height;
3317                         mask |= CWY;
3318                 }
3319                 if (win->g.w + win->g.x > WIDTH(r)) {
3320                         win->g.x = wc.x = WIDTH(r) - win->g.w - 2;
3321                         mask |= CWX;
3322                 }
3323                 border_me = 1;
3324         }
3325
3326         /* Reset font sizes (the bruteforce way; no default keybinding). */
3327         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
3328                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3329                         fake_keypress(win, XK_KP_Subtract, ShiftMask);
3330                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
3331                         fake_keypress(win, XK_KP_Add, ShiftMask);
3332         }
3333
3334         /* border me */
3335         if (border_me) {
3336                 bzero(&wc, sizeof wc);
3337                 wc.border_width = 1;
3338                 mask = CWBorderWidth;
3339                 XConfigureWindow(display, win->id, mask, &wc);
3340         }
3341
3342         XSelectInput(display, id, EnterWindowMask | FocusChangeMask |
3343             PropertyChangeMask | StructureNotifyMask);
3344
3345         set_win_state(win, NormalState);
3346
3347         /* floaters need to be mapped if they are in the current workspace */
3348         if ((win->floating || win->transient) && (ws->idx == r->ws->idx))
3349                 XMapRaised(display, win->id);
3350
3351         return (win);
3352 }
3353
3354 void
3355 unmanage_window(struct ws_win *win)
3356 {
3357         struct workspace        *ws;
3358
3359         if (win == NULL)
3360                 return;
3361
3362         DNPRINTF(SWM_D_MISC, "unmanage_window:  %lu\n", win->id);
3363
3364         ws = win->ws;
3365         TAILQ_REMOVE(&win->ws->winlist, win, entry);
3366         set_win_state(win, WithdrawnState);
3367         if (win->ch.res_class)
3368                 XFree(win->ch.res_class);
3369         if (win->ch.res_name)
3370                 XFree(win->ch.res_name);
3371         free(win);
3372 }
3373
3374 void
3375 expose(XEvent *e)
3376 {
3377         DNPRINTF(SWM_D_EVENT, "expose: window: %lu\n", e->xexpose.window);
3378 }
3379
3380 void
3381 keypress(XEvent *e)
3382 {
3383         unsigned int            i;
3384         KeySym                  keysym;
3385         XKeyEvent               *ev = &e->xkey;
3386
3387         DNPRINTF(SWM_D_EVENT, "keypress: window: %lu\n", ev->window);
3388
3389         keysym = XKeycodeToKeysym(display, (KeyCode)ev->keycode, 0);
3390         for (i = 0; i < keys_length; i++)
3391                 if (keysym == keys[i].keysym
3392                    && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
3393                    && keyfuncs[keys[i].funcid].func) {
3394                         if (keys[i].funcid == kf_spawn_custom)
3395                                 spawn_custom(
3396                                     root_to_region(ev->root),
3397                                     &(keyfuncs[keys[i].funcid].args),
3398                                     keys[i].spawn_name
3399                                     );
3400                         else
3401                                 keyfuncs[keys[i].funcid].func(
3402                                     root_to_region(ev->root),
3403                                     &(keyfuncs[keys[i].funcid].args)
3404                                     );
3405                 }
3406 }
3407
3408 void
3409 buttonpress(XEvent *e)
3410 {
3411         XButtonPressedEvent     *ev = &e->xbutton;
3412
3413         struct ws_win           *win;
3414         int                     i, action;
3415
3416         DNPRINTF(SWM_D_EVENT, "buttonpress: window: %lu\n", ev->window);
3417
3418         action = root_click;
3419         if ((win = find_window(ev->window)) == NULL)
3420                 return;
3421         else {
3422                 focus_win(win);
3423                 action = client_click;
3424         }
3425
3426         for (i = 0; i < LENGTH(buttons); i++)
3427                 if (action == buttons[i].action && buttons[i].func &&
3428                     buttons[i].button == ev->button &&
3429                     CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
3430                         buttons[i].func(win, &buttons[i].args);
3431 }
3432
3433 void
3434 configurerequest(XEvent *e)
3435 {
3436         XConfigureRequestEvent  *ev = &e->xconfigurerequest;
3437         struct ws_win           *win;
3438         int                     new = 0;
3439         XWindowChanges          wc;
3440
3441         if ((win = find_window(ev->window)) == NULL)
3442                 new = 1;
3443
3444         if (new) {
3445                 DNPRINTF(SWM_D_EVENT, "configurerequest: new window: %lu\n",
3446                     ev->window);
3447                 bzero(&wc, sizeof wc);
3448                 wc.x = ev->x;
3449                 wc.y = ev->y;
3450                 wc.width = ev->width;
3451                 wc.height = ev->height;
3452                 wc.border_width = ev->border_width;
3453                 wc.sibling = ev->above;
3454                 wc.stack_mode = ev->detail;
3455                 XConfigureWindow(display, ev->window, ev->value_mask, &wc);
3456         } else {
3457                 DNPRINTF(SWM_D_EVENT, "configurerequest: change window: %lu\n",
3458                     ev->window);
3459                 if (win->floating) {
3460                         if (ev->value_mask & CWX)
3461                                 win->g.x = ev->x;
3462                         if (ev->value_mask & CWY)
3463                                 win->g.y = ev->y;
3464                         if (ev->value_mask & CWWidth)
3465                                 win->g.w = ev->width;
3466                         if (ev->value_mask & CWHeight)
3467                                 win->g.h = ev->height;
3468                         if (win->ws->r != NULL) {
3469                                 /* this seems to be full screen */
3470                                 if (win->g.w >= WIDTH(win->ws->r)) {
3471                                         win->g.x = 0;
3472                                         win->g.w = WIDTH(win->ws->r);
3473                                         ev->value_mask |= CWX | CWWidth;
3474                                 }
3475                                 if (win->g.h >= HEIGHT(win->ws->r)) {
3476                                         /* kill border */
3477                                         win->g.y = 0;
3478                                         win->g.h = HEIGHT(win->ws->r);
3479                                         ev->value_mask |= CWY | CWHeight;
3480                                 }
3481                         }
3482                         if ((ev->value_mask & (CWX | CWY)) &&
3483                             !(ev->value_mask & (CWWidth | CWHeight)))
3484                                 config_win(win);
3485                         XMoveResizeWindow(display, win->id,
3486                             win->g.x, win->g.y, win->g.w, win->g.h);
3487                 } else
3488                         config_win(win);
3489         }
3490 }
3491
3492 void
3493 configurenotify(XEvent *e)
3494 {
3495         struct ws_win           *win;
3496         long                    mask;
3497
3498         DNPRINTF(SWM_D_EVENT, "configurenotify: window: %lu\n",
3499             e->xconfigure.window);
3500
3501         XMapWindow(display, e->xconfigure.window);
3502         win = find_window(e->xconfigure.window);
3503         if (win) {
3504                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3505                 adjust_font(win);
3506                 XMapWindow(display, win->id);
3507                 if (font_adjusted)
3508                         stack();
3509         }
3510 }
3511
3512 void
3513 destroynotify(XEvent *e)
3514 {
3515         struct ws_win           *win, *winfocus = NULL;
3516         struct workspace        *ws;
3517         struct ws_win_list      *wl;
3518
3519         XDestroyWindowEvent     *ev = &e->xdestroywindow;
3520
3521         DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
3522
3523         SWM_EV_PROLOGUE(display);
3524
3525         if ((win = find_window(ev->window)) != NULL) {
3526                 /* find a window to focus */
3527                 ws = win->ws;
3528                 wl = &ws->winlist;
3529
3530                 /* if we are transient give focus to parent */
3531                 if (win->transient)
3532                         winfocus = find_window(win->transient);
3533                 else if (ws->focus == win) {
3534                         /* if in max_stack try harder */
3535                         if (ws->cur_layout->flags & SWM_L_FOCUSPREV)
3536                                 if (win != ws->focus && win != ws->focus_prev)
3537                                         winfocus = ws->focus_prev;
3538
3539                         /* fallback and normal handling */
3540                         if (winfocus == NULL) {
3541                                 if (TAILQ_FIRST(wl) == win)
3542                                         winfocus = TAILQ_NEXT(win, entry);
3543                                 else {
3544                                         winfocus = TAILQ_PREV(ws->focus,
3545                                             ws_win_list, entry);
3546                                         if (winfocus == NULL)
3547                                                 winfocus = TAILQ_LAST(wl,
3548                                                     ws_win_list);
3549                                 }
3550                         }
3551                 }
3552
3553                 unmanage_window(win);
3554                 stack();
3555                 if (winfocus)
3556                         focus_win(winfocus);
3557         }
3558
3559         SWM_EV_EPILOGUE(display);
3560 }
3561
3562 void
3563 enternotify(XEvent *e)
3564 {
3565         XCrossingEvent          *ev = &e->xcrossing;
3566         struct ws_win           *win;
3567
3568         DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
3569
3570         if (ignore_enter) {
3571                 /* eat event(r) to prevent autofocus */
3572                 ignore_enter = 0;
3573                 return;
3574         }
3575         /*
3576          * happens when a window is created or destroyed and the border
3577          * crosses the mouse pointer
3578          */
3579         if (QLength(display))
3580                 return;
3581
3582         if ((win = find_window(ev->window)) != NULL)
3583                 focus_win(win);
3584 }
3585
3586 void
3587 focusin(XEvent *e)
3588 {
3589         DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
3590 }
3591
3592 void
3593 focusout(XEvent *e)
3594 {
3595         DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
3596 }
3597
3598 void
3599 mapnotify(XEvent *e)
3600 {
3601         struct ws_win           *win;
3602         XMappingEvent           *ev = &e->xmapping;
3603
3604         DNPRINTF(SWM_D_EVENT, "mapnotify: window: %lu\n", ev->window);
3605
3606         SWM_EV_PROLOGUE(display);
3607
3608         win = find_window(ev->window);
3609         if (win)
3610                 set_win_state(win, NormalState);
3611
3612         XRefreshKeyboardMapping(ev);
3613         if (ev->request == MappingKeyboard)
3614                 grabkeys();
3615
3616         SWM_EV_EPILOGUE(display);
3617 }
3618
3619 void
3620 maprequest(XEvent *e)
3621 {
3622         struct ws_win           *win;
3623         struct swm_region       *r;
3624
3625         XMapRequestEvent        *ev = &e->xmaprequest;
3626         XWindowAttributes       wa;
3627
3628         DNPRINTF(SWM_D_EVENT, "maprequest: window: %lu\n",
3629             e->xmaprequest.window);
3630
3631         SWM_EV_PROLOGUE(display);
3632
3633         if (!XGetWindowAttributes(display, ev->window, &wa))
3634                 goto done;
3635         if (wa.override_redirect)
3636                 goto done;
3637
3638         manage_window(e->xmaprequest.window);
3639
3640         stack();
3641
3642         /* make new win focused */
3643         win = find_window(ev->window);
3644         r = root_to_region(win->wa.root);
3645
3646         if (win->ws == r->ws)
3647                 focus_win(win);
3648
3649 done:
3650         SWM_EV_EPILOGUE(display);
3651 }
3652
3653 void
3654 propertynotify(XEvent *e)
3655 {
3656         struct ws_win           *win;
3657         XPropertyEvent          *ev = &e->xproperty;
3658
3659         DNPRINTF(SWM_D_EVENT, "propertynotify: window: %lu\n",
3660             ev->window);
3661
3662         if (ev->state == PropertyDelete)
3663                 return; /* ignore */
3664         win = find_window(ev->window);
3665         if (win == NULL)
3666                 return;
3667
3668         switch (ev->atom) {
3669         case XA_WM_NORMAL_HINTS:
3670 #if 0
3671                 long            mask;
3672                 XGetWMNormalHints(display, win->id, &win->sh, &mask);
3673                 fprintf(stderr, "normal hints: flag 0x%x\n", win->sh.flags);
3674                 if (win->sh.flags & PMinSize) {
3675                         win->g.w = win->sh.min_width;
3676                         win->g.h = win->sh.min_height;
3677                         fprintf(stderr, "min %d %d\n", win->g.w, win->g.h);
3678                 }
3679                 XMoveResizeWindow(display, win->id,
3680                     win->g.x, win->g.y, win->g.w, win->g.h);
3681 #endif
3682                 break;
3683         default:
3684                 break;
3685         }
3686 }
3687
3688 void
3689 unmapnotify(XEvent *e)
3690 {
3691         struct ws_win           *win, *winfocus = NULL;
3692         struct workspace        *ws;
3693
3694         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: %lu\n", e->xunmap.window);
3695
3696         SWM_EV_PROLOGUE(display);
3697
3698         /* determine if we need to help unmanage this window */
3699         win = find_window(e->xunmap.window);
3700         if (win == NULL)
3701                 goto done;
3702         if (win->transient)
3703                 goto done;
3704
3705         if (getstate(e->xunmap.window) == NormalState) {
3706                 /*
3707                  * this window does not have a destroy event but but it is no
3708                  * longer visible due to the app unmapping it so unmanage it
3709                  */
3710
3711                 ws = win->ws;
3712                 /* if we are max_stack try harder to focus on something */
3713                 if (ws->cur_layout->flags & SWM_L_FOCUSPREV)
3714                         if (win != ws->focus && win != ws->focus_prev)
3715                                 winfocus = ws->focus_prev;
3716
3717                 /* normal and fallback if haven't found anything to focus on */
3718                 if (winfocus == NULL) {
3719                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3720                         if (TAILQ_FIRST(&ws->winlist) == win)
3721                                 winfocus = TAILQ_NEXT(win, entry);
3722                         else {
3723                                 winfocus = TAILQ_PREV(ws->focus, ws_win_list,
3724                                     entry);
3725                                 if (winfocus == NULL)
3726                                         winfocus = TAILQ_LAST(&ws->winlist,
3727                                             ws_win_list);
3728                         }
3729                 }
3730
3731                 /* trash window and refocus */
3732                 unmanage_window(win);
3733                 stack();
3734                 focus_win(winfocus);
3735         }
3736
3737 done:
3738         SWM_EV_EPILOGUE(display);
3739 }
3740
3741 void
3742 visibilitynotify(XEvent *e)
3743 {
3744         int                     i;
3745         struct swm_region       *r;
3746
3747         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: %lu\n",
3748             e->xvisibility.window);
3749         if (e->xvisibility.state == VisibilityUnobscured)
3750                 for (i = 0; i < ScreenCount(display); i++)
3751                         TAILQ_FOREACH(r, &screens[i].rl, entry)
3752                                 if (e->xvisibility.window == r->bar_window)
3753                                         bar_update();
3754 }
3755
3756 int
3757 xerror_start(Display *d, XErrorEvent *ee)
3758 {
3759         other_wm = 1;
3760         return (-1);
3761 }
3762
3763 int
3764 xerror(Display *d, XErrorEvent *ee)
3765 {
3766         /* fprintf(stderr, "error: %p %p\n", display, ee); */
3767         return (-1);
3768 }
3769
3770 int
3771 active_wm(void)
3772 {
3773         other_wm = 0;
3774         xerrorxlib = XSetErrorHandler(xerror_start);
3775
3776         /* this causes an error if some other window manager is running */
3777         XSelectInput(display, DefaultRootWindow(display),
3778             SubstructureRedirectMask);
3779         XSync(display, False);
3780         if (other_wm)
3781                 return (1);
3782
3783         XSetErrorHandler(xerror);
3784         XSync(display, False);
3785         return (0);
3786 }
3787
3788 void
3789 new_region(struct swm_screen *s, int x, int y, int w, int h)
3790 {
3791         struct swm_region       *r, *n;
3792         struct workspace        *ws = NULL;
3793         int                     i;
3794
3795         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
3796              s->idx, w, h, x, y);
3797
3798         /* remove any conflicting regions */
3799         n = TAILQ_FIRST(&s->rl);
3800         while (n) {
3801                 r = n;
3802                 n = TAILQ_NEXT(r, entry);
3803                 if (X(r) < (x + w) &&
3804                     (X(r) + WIDTH(r)) > x &&
3805                     Y(r) < (y + h) &&
3806                     (Y(r) + HEIGHT(r)) > y) {
3807                         XDestroyWindow(display, r->bar_window);
3808                         TAILQ_REMOVE(&s->rl, r, entry);
3809                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
3810                 }
3811         }
3812
3813         /* search old regions for one to reuse */
3814
3815         /* size + location match */
3816         TAILQ_FOREACH(r, &s->orl, entry)
3817                 if (X(r) == x && Y(r) == y &&
3818                     HEIGHT(r) == h && WIDTH(r) == w)
3819                         break;
3820
3821         /* size match */
3822         TAILQ_FOREACH(r, &s->orl, entry)
3823                 if (HEIGHT(r) == h && WIDTH(r) == w)
3824                         break;
3825
3826         if (r != NULL) {
3827                 TAILQ_REMOVE(&s->orl, r, entry);
3828                 /* try to use old region's workspace */
3829                 if (r->ws->r == NULL)
3830                         ws = r->ws;
3831         } else
3832                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
3833                         errx(1, "calloc: failed to allocate memory for screen");
3834
3835         /* if we don't have a workspace already, find one */
3836         if (ws == NULL) {
3837                 for (i = 0; i < SWM_WS_MAX; i++)
3838                         if (s->ws[i].r == NULL) {
3839                                 ws = &s->ws[i];
3840                                 break;
3841                         }
3842         }
3843
3844         if (ws == NULL)
3845                 errx(1, "no free workspaces\n");
3846
3847         X(r) = x;
3848         Y(r) = y;
3849         WIDTH(r) = w;
3850         HEIGHT(r) = h;
3851         r->s = s;
3852         r->ws = ws;
3853         ws->r = r;
3854         TAILQ_INSERT_TAIL(&s->rl, r, entry);
3855 }
3856
3857 void
3858 scan_xrandr(int i)
3859 {
3860 #ifdef SWM_XRR_HAS_CRTC
3861         XRRCrtcInfo             *ci;
3862         XRRScreenResources      *sr;
3863         int                     c;
3864         int                     ncrtc = 0;
3865 #endif /* SWM_XRR_HAS_CRTC */
3866         struct swm_region       *r;
3867
3868
3869         if (i >= ScreenCount(display))
3870                 errx(1, "invalid screen");
3871
3872         /* remove any old regions */
3873         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
3874                 r->ws->old_r = r->ws->r = NULL;
3875                 XDestroyWindow(display, r->bar_window);
3876                 TAILQ_REMOVE(&screens[i].rl, r, entry);
3877                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
3878         }
3879
3880         /* map virtual screens onto physical screens */
3881 #ifdef SWM_XRR_HAS_CRTC
3882         outputs = 0;
3883         if (xrandr_support) {
3884                 sr = XRRGetScreenResources(display, screens[i].root);
3885                 if (sr == NULL)
3886                         new_region(&screens[i], 0, 0,
3887                             DisplayWidth(display, i),
3888                             DisplayHeight(display, i));
3889                 else
3890                         ncrtc = sr->ncrtc;
3891
3892                 for (c = 0, ci = NULL; c < ncrtc; c++) {
3893                         ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
3894                         if (ci->noutput == 0)
3895                                 continue;
3896                         outputs++;
3897
3898                         if (ci != NULL && ci->mode == None)
3899                                 new_region(&screens[i], 0, 0,
3900                                     DisplayWidth(display, i),
3901                                     DisplayHeight(display, i));
3902                         else
3903                                 new_region(&screens[i],
3904                                     ci->x, ci->y, ci->width, ci->height);
3905                 }
3906                 if (ci)
3907                         XRRFreeCrtcInfo(ci);
3908                 XRRFreeScreenResources(sr);
3909         } else
3910 #endif /* SWM_XRR_HAS_CRTC */
3911         {
3912                 new_region(&screens[i], 0, 0, DisplayWidth(display, i),
3913                     DisplayHeight(display, i));
3914         }
3915 }
3916
3917 void
3918 screenchange(XEvent *e) {
3919         XRRScreenChangeNotifyEvent      *xe = (XRRScreenChangeNotifyEvent *)e;
3920         struct swm_region               *r;
3921         int                             i;
3922
3923         DNPRINTF(SWM_D_EVENT, "screenchange: %lu\n", xe->root);
3924
3925         if (!XRRUpdateConfiguration(e))
3926                 return;
3927
3928         /* silly event doesn't include the screen index */
3929         for (i = 0; i < ScreenCount(display); i++)
3930                 if (screens[i].root == xe->root)
3931                         break;
3932         if (i >= ScreenCount(display))
3933                 errx(1, "screenchange: screen not found\n");
3934
3935         /* brute force for now, just re-enumerate the regions */
3936         scan_xrandr(i);
3937
3938         /* add bars to all regions */
3939         for (i = 0; i < ScreenCount(display); i++)
3940                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3941                         bar_setup(r);
3942         stack();
3943 }
3944
3945 void
3946 setup_screens(void)
3947 {
3948         Window                  d1, d2, *wins = NULL;
3949         XWindowAttributes       wa;
3950         unsigned int            no;
3951         int                     i, j, k;
3952         int                     errorbase, major, minor;
3953         struct workspace        *ws;
3954         int                     ws_idx_atom;
3955         long                    state, manage;
3956
3957         if ((screens = calloc(ScreenCount(display),
3958              sizeof(struct swm_screen))) == NULL)
3959                 errx(1, "calloc: screens");
3960
3961         ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
3962
3963         /* initial Xrandr setup */
3964         xrandr_support = XRRQueryExtension(display,
3965             &xrandr_eventbase, &errorbase);
3966         if (xrandr_support)
3967                 if (XRRQueryVersion(display, &major, &minor) && major < 1)
3968                         xrandr_support = 0;
3969
3970         /* map physical screens */
3971         for (i = 0; i < ScreenCount(display); i++) {
3972                 DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
3973                 screens[i].idx = i;
3974                 TAILQ_INIT(&screens[i].rl);
3975                 TAILQ_INIT(&screens[i].orl);
3976                 screens[i].root = RootWindow(display, i);
3977
3978                 /* set default colors */
3979                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
3980                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
3981                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
3982                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
3983                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
3984
3985                 /* init all workspaces */
3986                 /* XXX these should be dynamically allocated too */
3987                 for (j = 0; j < SWM_WS_MAX; j++) {
3988                         ws = &screens[i].ws[j];
3989                         ws->idx = j;
3990                         ws->restack = 1;
3991                         ws->focus = NULL;
3992                         ws->r = NULL;
3993                         ws->old_r = NULL;
3994                         TAILQ_INIT(&ws->winlist);
3995
3996                         for (k = 0; layouts[k].l_stack != NULL; k++)
3997                                 if (layouts[k].l_config != NULL)
3998                                         layouts[k].l_config(ws,
3999                                             SWM_ARG_ID_STACKINIT);
4000                         ws->cur_layout = &layouts[0];
4001                 }
4002                 /* grab existing windows (before we build the bars)*/
4003                 if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
4004                         continue;
4005
4006                 scan_xrandr(i);
4007
4008                 if (xrandr_support)
4009                         XRRSelectInput(display, screens[i].root,
4010                             RRScreenChangeNotifyMask);
4011
4012                 /* attach windows to a region */
4013                 /* normal windows */
4014                 for (j = 0; j < no; j++) {
4015                         XGetWindowAttributes(display, wins[j], &wa);
4016                         if (!XGetWindowAttributes(display, wins[j], &wa) ||
4017                             wa.override_redirect ||
4018                             XGetTransientForHint(display, wins[j], &d1))
4019                                 continue;
4020
4021                         state = getstate(wins[j]);
4022                         manage = state == NormalState || state == IconicState;
4023                         if (wa.map_state == IsViewable || manage)
4024                                 manage_window(wins[j]);
4025                 }
4026                 /* transient windows */
4027                 for (j = 0; j < no; j++) {
4028                         if (!XGetWindowAttributes(display, wins[j], &wa))
4029                                 continue;
4030
4031                         state = getstate(wins[j]);
4032                         manage = state == NormalState || state == IconicState;
4033                         if (XGetTransientForHint(display, wins[j], &d1) &&
4034                             manage)
4035                                 manage_window(wins[j]);
4036                 }
4037                 if (wins) {
4038                         XFree(wins);
4039                         wins = NULL;
4040                 }
4041         }
4042 }
4043 void
4044 setup_globals(void)
4045 {
4046         if ((bar_fonts[0] = strdup("-*-terminus-medium-*-*-*-*-*-*-*-*-*-*-*"))
4047             == NULL)
4048                 err(1, "setup_globals: strdup");
4049         if ((bar_fonts[1] = strdup("-*-times-medium-r-*-*-*-*-*-*-*-*-*-*"))
4050             == NULL)
4051                 err(1, "setup_globals: strdup");
4052         if ((bar_fonts[2] = strdup("-misc-fixed-medium-r-*-*-*-*-*-*-*-*-*-*"))
4053             == NULL)
4054                 err(1, "setup_globals: strdup");
4055         if ((spawn_term[0] = strdup("xterm")) == NULL)
4056                 err(1, "setup_globals: strdup");
4057 }
4058
4059 void
4060 workaround(void)
4061 {
4062         int                     i;
4063         Atom                    netwmcheck, netwmname, utf8_string;
4064         Window                  root;
4065
4066         /* work around sun jdk bugs, code from wmname */
4067         netwmcheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
4068         netwmname = XInternAtom(display, "_NET_WM_NAME", False);
4069         utf8_string = XInternAtom(display, "UTF8_STRING", False);
4070         for (i = 0; i < ScreenCount(display); i++) {
4071                 root = screens[i].root;
4072                 XChangeProperty(display, root, netwmcheck, XA_WINDOW, 32,
4073                     PropModeReplace, (unsigned char *)&root, 1);
4074                 XChangeProperty(display, root, netwmname, utf8_string, 8,
4075                     PropModeReplace, "LG3D", strlen("LG3D"));
4076         }
4077 }
4078
4079 int
4080 main(int argc, char *argv[])
4081 {
4082         struct passwd           *pwd;
4083         struct swm_region       *r, *rr;
4084         struct ws_win           *winfocus = NULL;
4085         char                    conf[PATH_MAX], *cfile = NULL;
4086         struct stat             sb;
4087         XEvent                  e;
4088         int                     xfd, i;
4089         fd_set                  rd;
4090
4091         start_argv = argv;
4092         fprintf(stderr, "Welcome to scrotwm V%s cvs tag: %s\n",
4093             SWM_VERSION, cvstag);
4094         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
4095                 warnx("no locale support");
4096
4097         if (!(display = XOpenDisplay(0)))
4098                 errx(1, "can not open display");
4099
4100         if (active_wm())
4101                 errx(1, "other wm running");
4102
4103         /* handle some signale */
4104         installsignal(SIGINT, "INT");
4105         installsignal(SIGHUP, "HUP");
4106         installsignal(SIGQUIT, "QUIT");
4107         installsignal(SIGTERM, "TERM");
4108         installsignal(SIGCHLD, "CHLD");
4109
4110         astate = XInternAtom(display, "WM_STATE", False);
4111         aprot = XInternAtom(display, "WM_PROTOCOLS", False);
4112         adelete = XInternAtom(display, "WM_DELETE_WINDOW", False);
4113
4114         /* look for local and global conf file */
4115         pwd = getpwuid(getuid());
4116         if (pwd == NULL)
4117                 errx(1, "invalid user %d", getuid());
4118
4119         setup_screens();
4120         setup_globals();
4121         setup_keys();
4122         setup_quirks();
4123         setup_spawn();
4124
4125         snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
4126         if (stat(conf, &sb) != -1) {
4127                 if (S_ISREG(sb.st_mode))
4128                         cfile = conf;
4129         } else {
4130                 /* try global conf file */
4131                 snprintf(conf, sizeof conf, "/etc/%s", SWM_CONF_FILE);
4132                 if (!stat(conf, &sb))
4133                         if (S_ISREG(sb.st_mode))
4134                                 cfile = conf;
4135         }
4136         if (cfile)
4137                 conf_load(cfile);
4138
4139         /* setup all bars */
4140         for (i = 0; i < ScreenCount(display); i++)
4141                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4142                         if (winfocus == NULL)
4143                                 winfocus = TAILQ_FIRST(&r->ws->winlist);
4144                         bar_setup(r);
4145                 }
4146
4147         /* set some values to work around bad programs */
4148         workaround();
4149
4150         grabkeys();
4151         stack();
4152
4153         xfd = ConnectionNumber(display);
4154         while (running) {
4155                 while (XPending(display)) {
4156                         XNextEvent(display, &e);
4157                         if (running == 0)
4158                                 goto done;
4159                         if (e.type < LASTEvent) {
4160                                 dumpevent(&e);
4161                                 if (handler[e.type])
4162                                         handler[e.type](&e);
4163                                 else
4164                                         DNPRINTF(SWM_D_EVENT,
4165                                             "win: %lu unknown event: %d\n",
4166                                             e.xany.window, e.type);
4167                         } else {
4168                                 switch (e.type - xrandr_eventbase) {
4169                                 case RRScreenChangeNotify:
4170                                         screenchange(&e);
4171                                         break;
4172                                 default:
4173                                         DNPRINTF(SWM_D_EVENT,
4174                                             "win: %lu unknown xrandr event: "
4175                                             "%d\n", e.xany.window, e.type);
4176                                         break;
4177                                 }
4178                         }
4179                 }
4180
4181                 /* if we are being restarted go focus on first window */
4182                 if (winfocus) {
4183                         rr = TAILQ_FIRST(&screens[0].rl);
4184                         /* move pointer to first screen if multi screen */
4185                         if (ScreenCount(display) > 1 || outputs > 1)
4186                                 XWarpPointer(display, None, rr->s[0].root,
4187                                     0, 0, 0, 0, rr->g.x,
4188                                     rr->g.y + bar_enabled ? bar_height : 0);
4189
4190                         focus_win(winfocus);
4191                         winfocus = NULL;
4192                         continue;
4193                 }
4194
4195                 FD_ZERO(&rd);
4196                 FD_SET(xfd, &rd);
4197                 if (select(xfd + 1, &rd, NULL, NULL, NULL) == -1)
4198                         if (errno != EINTR)
4199                                 DNPRINTF(SWM_D_MISC, "select failed");
4200                 if (running == 0)
4201                         goto done;
4202                 if (bar_alarm) {
4203                         bar_alarm = 0;
4204                         bar_update();
4205                 }
4206         }
4207 done:
4208         bar_extra_stop();
4209
4210         XCloseDisplay(display);
4211
4212         return (0);
4213 }