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[spectrwm.git] / scrotwm.c
index 067806b..5c4fbe8 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -52,7 +52,7 @@
 
 static const char      *cvstag = "$scrotwm$";
 
-#define        SWM_VERSION     "0.9.18"
+#define        SWM_VERSION     "0.9.22"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -84,6 +84,10 @@ static const char    *cvstag = "$scrotwm$";
 #include <X11/Xutil.h>
 #include <X11/extensions/Xrandr.h>
 
+#ifdef __OSX__
+#include <osx.h>
+#endif
+
 #if RANDR_MAJOR < 1
 #  error XRandR versions less than 1.0 are not supported
 #endif
@@ -161,6 +165,7 @@ Atom                        adelete;
 Atom                   takefocus;
 volatile sig_atomic_t   running = 1;
 int                    outputs = 0;
+int                    last_focus_event = FocusOut;
 int                    (*xerrorxlib)(Display *, XErrorEvent *);
 int                    other_wm;
 int                    ss_enabled = 0;
@@ -193,6 +198,7 @@ int                 bar_verbose = 1;
 int                    bar_height = 0;
 int                    stack_enabled = 1;
 int                    clock_enabled = 1;
+char                   *clock_format = NULL;
 int                    title_name_enabled = 0;
 int                    title_class_enabled = 0;
 pid_t                  bar_pid;
@@ -606,8 +612,7 @@ void                        configurerequest(XEvent *);
 void                   configurenotify(XEvent *);
 void                   destroynotify(XEvent *);
 void                   enternotify(XEvent *);
-void                   focusin(XEvent *);
-void                   focusout(XEvent *);
+void                   focusevent(XEvent *);
 void                   mapnotify(XEvent *);
 void                   mappingnotify(XEvent *);
 void                   maprequest(XEvent *);
@@ -623,8 +628,8 @@ void                        (*handler[LASTEvent])(XEvent *) = {
                                [ConfigureNotify] = configurenotify,
                                [DestroyNotify] = destroynotify,
                                [EnterNotify] = enternotify,
-                               [FocusIn] = focusin,
-                               [FocusOut] = focusout,
+                               [FocusIn] = focusevent,
+                               [FocusOut] = focusevent,
                                [MapNotify] = mapnotify,
                                [MappingNotify] = mappingnotify,
                                [MapRequest] = maprequest,
@@ -839,7 +844,8 @@ bar_update(void)
        else {
                time(&tmt);
                localtime_r(&tmt, &tm);
-               strftime(s, sizeof s, "%a %b %d %R %Z %Y    ", &tm);
+               strftime(s, sizeof s, clock_format, &tm);
+               strlcat(s, "    ", sizeof s);
        }
 
        for (i = 0; i < ScreenCount(display); i++) {
@@ -851,7 +857,7 @@ bar_update(void)
                        if (stack_enabled)
                                stack = r->ws->cur_layout->name;
 
-                       snprintf(loc, sizeof loc, "%d:%d %s   %s %s    %s",
+                       snprintf(loc, sizeof loc, "%d:%d %s   %s    %s    %s",
                            x++, r->ws->idx + 1, stack, s, bar_ext,
                            bar_vertext);
                        bar_print(r, loc);
@@ -1119,6 +1125,9 @@ unmap_window(struct ws_win *win)
        set_win_state(win, IconicState);
 
        XUnmapWindow(display, win->id);
+       if (win->ws->r)
+               XSetWindowBorder(display, win->id,
+                   win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
 }
 
 void
@@ -1230,13 +1239,32 @@ struct ws_win *
 find_window(Window id)
 {
        struct ws_win           *win;
-       int                     i, j;
+       Window                  wrr, wpr, *wcr = NULL;
+       int                     i, j, nc;
 
        for (i = 0; i < ScreenCount(display); i++)
                for (j = 0; j < SWM_WS_MAX; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
                                if (id == win->id)
                                        return (win);
+
+       /* if we were looking for the parent return that window instead */
+       if (XQueryTree(display, id, &wrr, &wpr, &wcr, &nc) == 0)
+               return (NULL);
+       if (wcr)
+               XFree(wcr);
+
+       /* ignore not found and root */
+       if (wpr == 0 || wrr == wpr)
+               return (NULL);
+
+       /* look for parent */
+       for (i = 0; i < ScreenCount(display); i++)
+               for (j = 0; j < SWM_WS_MAX; j++)
+                       TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
+                               if (wpr == win->id)
+                                       return (win);
+
        return (NULL);
 }
 
@@ -1353,6 +1381,10 @@ validate_ws(struct workspace *testws)
 void
 unfocus_win(struct ws_win *win)
 {
+       XEvent                  cne;
+
+       DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", WINID(win));
+
        if (win == NULL)
                return;
        if (win->ws == NULL)
@@ -1383,29 +1415,39 @@ unfocus_win(struct ws_win *win)
                win->ws->focus_prev = NULL;
        }
 
+       /* drain all previous unfocus events */
+       while (XCheckTypedEvent(display, FocusOut, &cne) == True)
+               ;
+
        grabbuttons(win, 0);
        XSetWindowBorder(display, win->id,
            win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].color);
+
 }
 
 void
-unfocus_all_except(struct ws_win *except)
+unfocus_all(void)
 {
        struct ws_win           *win;
        int                     i, j;
 
-       DNPRINTF(SWM_D_FOCUS, "unfocus_all_except: id: %lu\n", except->id);
+       DNPRINTF(SWM_D_FOCUS, "unfocus_all\n");
 
        for (i = 0; i < ScreenCount(display); i++)
                for (j = 0; j < SWM_WS_MAX; j++)
                        TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
-                               if (win != except)
-                                       unfocus_win(win);
+                               unfocus_win(win);
 }
 
 void
 focus_win(struct ws_win *win)
 {
+       XEvent                  cne;
+       Window                  cur_focus;
+       int                     rr;
+       struct ws_win           *cfw = NULL;
+
+
        DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
 
        if (win == NULL)
@@ -1420,25 +1462,30 @@ focus_win(struct ws_win *win)
                return;
        }
 
-       /* use big hammer to make sure it works under all use cases */
-       unfocus_all_except(win);
-
        if (validate_win(win)) {
                kill_refs(win);
                return;
        }
 
+       XGetInputFocus(display, &cur_focus, &rr);
+       if ((cfw = find_window(cur_focus)) != NULL)
+               unfocus_win(cfw);
+
        win->ws->focus = win;
 
        if (win->ws->r != NULL) {
+               /* drain all previous focus events */
+               while (XCheckTypedEvent(display, FocusIn, &cne) == True)
+                       ;
+
+               if (win->java == 0)
+                       XSetInputFocus(display, win->id,
+                           RevertToParent, CurrentTime);
                grabbuttons(win, 1);
-               if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
-                       XMapRaised(display, win->id);
                XSetWindowBorder(display, win->id,
                    win->ws->r->s->c[SWM_S_COLOR_FOCUS].color);
-               if (win->java == 0)
-                       XSetInputFocus(display, win->id,
-                           RevertToPointerRoot, CurrentTime);
+               if (win->ws->cur_layout->flags & SWM_L_MAPONFOCUS)
+                       XMapRaised(display, win->id);
        }
 }
 
@@ -1670,24 +1717,27 @@ focus_prev(struct ws_win *win)
        }
 
        /* if in max_stack try harder */
-       /* XXX needs more love */
        if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
-               if (cur_focus != ws->focus_prev)
-                       winfocus = ws->focus_prev;
-               else if (cur_focus != ws->focus)
-                       winfocus = ws->focus;
-               goto done;
+               if (cur_focus != ws->focus_prev)
+                       winfocus = ws->focus_prev;
+               else if (cur_focus != ws->focus)
+                       winfocus = ws->focus;
+               else
+                       winfocus = TAILQ_PREV(win, ws_win_list, entry);
+               if (winfocus)
+                       goto done;
        }
 
        if (cur_focus == win)
                winfocus = TAILQ_PREV(win, ws_win_list, entry);
        if (winfocus == NULL)
-               winfocus = TAILQ_FIRST(wl);
+               winfocus = TAILQ_LAST(wl, ws_win_list);
        if (winfocus == NULL || winfocus == win)
                winfocus = TAILQ_NEXT(cur_focus, entry);
 done:
        if (winfocus == winlostfocus || winfocus == NULL)
                return;
+
        focus_magic(winfocus, SWM_F_GENERIC);
 }
 
@@ -1712,7 +1762,7 @@ focus(struct swm_region *r, union arg *args)
                        winfocus = r->ws->focus_prev;
                else
                        winfocus = TAILQ_FIRST(&r->ws->winlist);
-                       
+
                focus_magic(winfocus, SWM_F_GENERIC);
                return;
        }
@@ -1904,6 +1954,7 @@ void
 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
 {
        XWindowChanges          wc;
+       XWindowAttributes       wa;
        struct swm_geometry     win_g, r_g = *g;
        struct ws_win           *win;
        int                     i, j, s, stacks;
@@ -2057,7 +2108,10 @@ stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
                        XConfigureWindow(display, win->id, mask, &wc);
                        configreq_win(win);
                }
-               XMapRaised(display, win->id);
+
+               if (XGetWindowAttributes(display, win->id, &wa))
+                       if (wa.map_state == IsUnmapped)
+                               XMapRaised(display, win->id);
 
                last_h = win_g.h;
                i++;
@@ -3294,10 +3348,11 @@ setup_quirks(void)
 #define SWM_CONF_FILE  "scrotwm.conf"
 
 enum   { SWM_S_BAR_DELAY, SWM_S_BAR_ENABLED, SWM_S_STACK_ENABLED,
-         SWM_S_CLOCK_ENABLED, SWM_S_CYCLE_EMPTY, SWM_S_CYCLE_VISIBLE,
-         SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH, SWM_S_TITLE_CLASS_ENABLED,
-         SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT, SWM_S_BAR_ACTION,
-         SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO };
+         SWM_S_CLOCK_ENABLED, SWM_S_CLOCK_FORMAT, SWM_S_CYCLE_EMPTY,
+         SWM_S_CYCLE_VISIBLE, SWM_S_SS_ENABLED, SWM_S_TERM_WIDTH,
+         SWM_S_TITLE_CLASS_ENABLED, SWM_S_TITLE_NAME_ENABLED, SWM_S_BAR_FONT,
+         SWM_S_BAR_ACTION, SWM_S_SPAWN_TERM, SWM_S_SS_APP, SWM_S_DIALOG_RATIO
+       };
 
 int
 setconfvalue(char *selector, char *value, int flags)
@@ -3315,6 +3370,13 @@ setconfvalue(char *selector, char *value, int flags)
        case SWM_S_CLOCK_ENABLED:
                clock_enabled = atoi(value);
                break;
+       case SWM_S_CLOCK_FORMAT:
+#ifndef SWM_DENY_CLOCK_FORMAT
+               free(clock_format);
+               if ((clock_format = strdup(value)) == NULL)
+                       err(1, "setconfvalue: clock_format");
+#endif
+               break;
        case SWM_S_CYCLE_EMPTY:
                cycle_empty = atoi(value);
                break;
@@ -3408,6 +3470,7 @@ struct config_option configopt[] = {
        { "bind",                       setconfbinding, 0 },
        { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
        { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
+       { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
        { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
        { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
        { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
@@ -3753,7 +3816,10 @@ unmanage_window(struct ws_win *win)
                        parent->child_trans = NULL;
        }
 
-       focus_prev(win);
+       /* work around for mplayer going full screen */
+       if (!win->floating)
+               focus_prev(win);
+
        TAILQ_REMOVE(&win->ws->winlist, win, entry);
        TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
 
@@ -3918,6 +3984,9 @@ destroynotify(XEvent *e)
                return;
        }
 
+       /* make sure we focus on something */
+       win->floating = 0;
+
        unmanage_window(win);
        stack();
        free_window(win);
@@ -3927,33 +3996,160 @@ void
 enternotify(XEvent *e)
 {
        XCrossingEvent          *ev = &e->xcrossing;
+       XEvent                  cne;
        struct ws_win           *win;
+#if 0
+       struct ws_win           *w;
+       Window                  focus_return;
+       int                     revert_to_return;
+#endif
+       DNPRINTF(SWM_D_FOCUS, "enternotify: window: %lu mode %d detail %d root "
+           "%lu subwindow %lu same_screen %d focus %d state %d\n",
+           ev->window, ev->mode, ev->detail, ev->root, ev->subwindow,
+           ev->same_screen, ev->focus, ev->state);
 
-       DNPRINTF(SWM_D_EVENT, "enternotify: window: %lu\n", ev->window);
+       goto focusme;
+#if 0
+       /*
+        * all these checks need to be in this order because the
+        * XCheckTypedWindowEvent relies on weeding out the previous events
+        *
+        * making this code an option would enable a follow mouse for focus
+        * feature
+        */
+
+       /*
+        * state is set when we are switching workspaces and focus is set when
+        * the window or a subwindow already has focus (occurs during restart).
+        *
+        * Only honor the focus flag if last_focus_event is not FocusOut,
+        * this allows scrotwm to continue to control focus when another
+        * program is also playing with it.
+        */
+       if (ev->state || (ev->focus && last_focus_event != FocusOut)) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: focus\n");
+               return;
+       }
 
        /*
         * happens when a window is created or destroyed and the border
-        * crosses the mouse pointer
+        * crosses the mouse pointer and when switching ws
+        *
+        * we need the subwindow test to see if we came from root in order
+        * to give focus to floaters
         */
-       if (QLength(display))
+       if (ev->mode == NotifyNormal && ev->detail == NotifyVirtual &&
+           ev->subwindow == 0) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: NotifyVirtual\n");
                return;
+       }
 
-       if ((win = find_window(ev->window)) == NULL)
+       /* this window already has focus */
+       if (ev->mode == NotifyNormal && ev->detail == NotifyInferior) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win has focus\n");
+               return;
+       }
+
+       /* this window is being deleted or moved to another ws */
+       if (XCheckTypedWindowEvent(display, ev->window, ConfigureNotify,
+           &cne) == True) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: configurenotify\n");
+               XPutBackEvent(display, &cne);
+               return;
+       }
+
+       if ((win = find_window(ev->window)) == NULL) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
+               return;
+       }
+
+       /*
+        * In fullstack kill all enters unless they come from a different ws
+        * (i.e. another region) or focus has been grabbed externally.
+        */
+       if (win->ws->cur_layout->flags & SWM_L_FOCUSPREV &&
+           last_focus_event != FocusOut) {
+               XGetInputFocus(display, &focus_return, &revert_to_return);
+               if ((w = find_window(focus_return)) == NULL ||
+                   w->ws == win->ws) {
+                       DNPRINTF(SWM_D_EVENT, "ignoring event: fullstack\n");
+                       return;
+               }
+       }
+#endif
+focusme:
+       if (QLength(display)) {
+               DNPRINTF(SWM_D_EVENT, "ignore enternotify %d\n",
+                   QLength(display));
+               return;
+       }
+
+       if ((win = find_window(ev->window)) == NULL) {
+               DNPRINTF(SWM_D_EVENT, "ignoring enternotify: win == NULL\n");
+               return;
+       }
+
+       /*
+        * if we have more enternotifies let them handle it in due time
+        */
+       if (XCheckTypedEvent(display, EnterNotify, &cne) == True) {
+               DNPRINTF(SWM_D_EVENT,
+                   "ignoring enternotify: got more enternotify\n");
+               XPutBackEvent(display, &cne);
                return;
+       }
 
        focus_magic(win, SWM_F_TRANSIENT);
 }
 
-void
-focusin(XEvent *e)
-{
-       DNPRINTF(SWM_D_EVENT, "focusin: window: %lu\n", e->xfocus.window);
-}
+/* lets us use one switch statement for arbitrary mode/detail combinations */
+#define MERGE_MEMBERS(a,b)     (((a & 0xffff) << 16) | (b & 0xffff))
 
 void
-focusout(XEvent *e)
+focusevent(XEvent *e)
 {
-       DNPRINTF(SWM_D_EVENT, "focusout: window: %lu\n", e->xfocus.window);
+       DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
+           ev->type == FocusIn ? "entering" : "leaving",
+           ev->window, ev->mode, ev->detail);
+#if 0
+       struct ws_win           *win;
+       u_int32_t               mode_detail;
+       XFocusChangeEvent       *ev = &e->xfocus;
+
+       DNPRINTF(SWM_D_EVENT, "focusevent: %s window: %lu mode %d detail %d\n",
+           ev->type == FocusIn ? "entering" : "leaving",
+           ev->window, ev->mode, ev->detail);
+
+       if (last_focus_event == ev->type) {
+               DNPRINTF(SWM_D_FOCUS, "ignoring focusevent: bad ordering\n");
+               return;
+       }
+
+       last_focus_event = ev->type;
+       mode_detail = MERGE_MEMBERS(ev->mode, ev->detail);
+
+       switch (mode_detail) {
+       /* synergy client focus operations */
+       case MERGE_MEMBERS(NotifyNormal, NotifyNonlinear):
+       case MERGE_MEMBERS(NotifyNormal, NotifyNonlinearVirtual):
+
+       /* synergy server focus operations */
+       case MERGE_MEMBERS(NotifyWhileGrabbed, NotifyNonlinear):
+
+       /* Entering applications like rdesktop that mangle the pointer */
+       case MERGE_MEMBERS(NotifyNormal, NotifyPointer):
+
+               if ((win = find_window(e->xfocus.window)) != NULL && win->ws->r)
+                       XSetWindowBorder(display, win->id,
+                           win->ws->r->s->c[ev->type == FocusIn ?
+                           SWM_S_COLOR_FOCUS : SWM_S_COLOR_UNFOCUS].color);
+               break;
+       default:
+               fprintf(stderr, "ignoring focusevent\n");
+               DNPRINTF(SWM_D_FOCUS, "ignoring focusevent\n");
+               break;
+       }
+#endif
 }
 
 void
@@ -4054,13 +4250,6 @@ unmapnotify(XEvent *e)
        if (win == NULL)
                return;
 
-       /*
-        * XXX this is a work around for going fullscreen on mplayer
-        * remove this and find a better heuristic
-        */
-       if (win->floating)
-               return;
-
        if (getstate(e->xunmap.window) == NormalState) {
                unmanage_window(win);
                stack();
@@ -4384,6 +4573,8 @@ setup_globals(void)
                err(1, "setup_globals: strdup");
        if ((spawn_term[0] = strdup("xterm")) == NULL)
                err(1, "setup_globals: strdup");
+       if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
+               errx(1, "strdup");
 }
 
 void
@@ -4480,6 +4671,8 @@ main(int argc, char *argv[])
        /* set some values to work around bad programs */
        workaround();
 
+       unfocus_all();
+
        grabkeys();
        stack();