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Fix fucking phantom windows for real this time.
authorMarco Peereboom <marco@conformal.com>
Sat, 17 Jan 2009 19:57:48 +0000 (19:57 +0000)
committerMarco Peereboom <marco@conformal.com>
Sat, 17 Jan 2009 19:57:48 +0000 (19:57 +0000)
scrotwm.c

index a71f619..8564d3d 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -101,6 +101,7 @@ u_int32_t           swm_debug = 0
 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 
 char                   **start_argv;
+Atom                   astate;
 int                    (*xerrorxlib)(Display *, XErrorEvent *);
 int                    other_wm;
 int                    screen;
@@ -1148,6 +1149,17 @@ buttonpress(XEvent *e)
 #endif
 }
 
+void
+set_win_state(struct ws_win *win, long state)
+{
+       long                    data[] = {state, None};
+
+       DNPRINTF(SWM_D_EVENT, "set_win_state: window: %lu\n", win->id);
+
+       XChangeProperty(display, win->id, astate, astate, 32, PropModeReplace,
+           (unsigned char *)data, 2);
+}
+
 struct ws_win *
 manage_window(Window id)
 {
@@ -1192,6 +1204,8 @@ manage_window(Window id)
        XSelectInput(display, id, ButtonPressMask | EnterWindowMask |
            FocusChangeMask | ExposureMask);
 
+       set_win_state(win, NormalState);
+
        return (win);
 }
 
@@ -1256,6 +1270,7 @@ destroynotify(XEvent *e)
                                ws[current_ws].focus = NULL;
        
                        TAILQ_REMOVE(&ws[current_ws].winlist, win, entry);
+                       set_win_state(win, WithdrawnState);
                        free(win);
                        break;
                }
@@ -1386,8 +1401,7 @@ xerror_start(Display *d, XErrorEvent *ee)
 int
 xerror(Display *d, XErrorEvent *ee)
 {
-       fprintf(stderr, "error: %p %p\n", display, ee);
-
+       /* fprintf(stderr, "error: %p %p\n", display, ee); */
        return (-1);
 }
 
@@ -1409,6 +1423,26 @@ active_wm(void)
        return (0);
 }
 
+long
+getstate(Window w)
+{
+       int                     format, status;
+       long                    result = -1;
+       unsigned char           *p = NULL;
+       unsigned long           n, extra;
+       Atom                    real;
+
+       astate = XInternAtom(display, "WM_STATE", False);
+       status = XGetWindowProperty(display, w, astate, 0L, 2L, False, astate,
+           &real, &format, &n, &extra, (unsigned char **)&p);
+       if(status != Success)
+               return (-1);
+       if(n != 0)
+               result = *p;
+       XFree(p);
+       return (result);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -1433,6 +1467,7 @@ main(int argc, char *argv[])
 
        screen = DefaultScreen(display);
        root = RootWindow(display, screen);
+       astate = XInternAtom(display, "WM_STATE", False);
 
        /* look for local and global conf file */
        pwd = getpwuid(getuid());
@@ -1475,12 +1510,23 @@ main(int argc, char *argv[])
 
        /* grab existing windows */
        if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
+               /* normal windows */
+               for (i = 0; i < num; i++) {
+                        XGetWindowAttributes(display, wins[i], &wa);
+                       if (!XGetWindowAttributes(display, wins[i], &wa) ||
+                           wa.override_redirect || XGetTransientForHint(display, wins[i], &d1))
+                               continue;
+                       if (wa.map_state == IsViewable || getstate(wins[i]) == NormalState)
+                               manage_window(wins[i]);
+               }
+               /* transient windows */
                for (i = 0; i < num; i++) {
-                        if (!XGetWindowAttributes(display, wins[i], &wa)
-                           || wa.override_redirect
-                           || wa.map_state != IsViewable)
+                       if(!XGetWindowAttributes(display, wins[i], &wa))
                                continue;
-                       manage_window(wins[i]);
+                       if (XGetTransientForHint(display, wins[i], &d1) &&
+                           (wa.map_state == IsViewable || getstate(wins[i]) ==
+                           NormalState))
+                               manage_window(wins[i]);
                 }
                 if(wins)
                         XFree(wins);