Dogcows Code - chaz/tint2/blob - src/systray/kde.c

   1 #include "kde.h"
   2 #include "icons.h"
   3 #include "docker.h"
   4 #include "xproperty.h"
   5 #include <assert.h>
   6 #include <X11/Xatom.h>
   7
   8 Atom kde_systray_prop = None;
   9
  10 void kde_init()
  11 {
  12   kde_systray_prop = XInternAtom(display,
  13                                  "_KDE_NET_SYSTEM_TRAY_WINDOWS", False);
  14   assert(kde_systray_prop);
  15
  16   XSelectInput(display, root, PropertyChangeMask);
  17   kde_update_icons();
  18 }
  19
  20 void kde_update_icons()
  21 {
  22   gulong count = (unsigned) -1; /* grab as many as possible */
  23   Window *ids;
  24   unsigned int i;
  25   GSList *it, *next;
  26   gboolean removed = FALSE; /* were any removed? */
  27
  28   if (! xprop_get32(root, kde_systray_prop, XA_WINDOW, sizeof(Window)*8,
  29                     &count, &ids))
  30     return;
  31
  32   /* add new windows to our list */
  33   for (i = 0; i < count; ++i) {
  34     for (it = icons; it != NULL; it = g_slist_next(it)) {
  35       TrayWindow *traywin = it->data;
  36       if (traywin->id == ids[i])
  37         break;
  38     }
  39     if (!it)
  40       icon_add(ids[i], KDE);
  41   }
  42
  43   /* remove windows from our list that no longer exist in the property */
  44   for (it = icons; it != NULL;) {
  45     TrayWindow *traywin = it->data;
  46     gboolean exists;
  47
  48     if (traywin->type != KDE) {
  49       /* don't go removing non-kde windows */
  50       exists = TRUE;
  51     } else {
  52       exists = FALSE;
  53       for (i = 0; i < count; ++i) {
  54         if (traywin->id == ids[i]) {
  55           exists = TRUE;
  56           break;
  57         }
  58       }
  59     }
  60
  61     next = g_slist_next(it);
  62     if (!exists) {
  63       icon_remove(it);
  64       removed =TRUE;
  65     }
  66     it = next;
  67   }
  68
  69   if (removed) {
  70     /* at least one tray app was removed, so reorganize 'em all and resize*/
  71     reposition_icons();
  72     fix_geometry();
  73   }
  74
  75   XFree(ids);
  76 }