2 * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * This is an implementation of the freedesktop.org "system tray" spec,
22 * http://www.freedesktop.org/wiki/Standards/systemtray-spec
29 #include "gtkprivate.h"
30 #include "gtktrayicon.h"
33 #include <X11/Xatom.h>
35 #define SYSTEM_TRAY_REQUEST_DOCK 0
36 #define SYSTEM_TRAY_BEGIN_MESSAGE 1
37 #define SYSTEM_TRAY_CANCEL_MESSAGE 2
39 #define SYSTEM_TRAY_ORIENTATION_HORZ 0
40 #define SYSTEM_TRAY_ORIENTATION_VERT 1
52 struct _GtkTrayIconPrivate
58 Atom system_tray_opcode_atom;
59 Atom orientation_atom;
63 Window manager_window;
64 GdkVisual *manager_visual;
65 gboolean manager_visual_rgba;
67 GtkOrientation orientation;
70 GdkColor warning_color;
71 GdkColor success_color;
75 static void gtk_tray_icon_constructed (GObject *object);
76 static void gtk_tray_icon_dispose (GObject *object);
78 static void gtk_tray_icon_get_property (GObject *object,
83 static void gtk_tray_icon_realize (GtkWidget *widget);
84 static void gtk_tray_icon_style_set (GtkWidget *widget,
85 GtkStyle *previous_style);
86 static gboolean gtk_tray_icon_delete (GtkWidget *widget,
88 static gboolean gtk_tray_icon_expose (GtkWidget *widget,
89 GdkEventExpose *event);
91 static void gtk_tray_icon_clear_manager_window (GtkTrayIcon *icon);
92 static void gtk_tray_icon_update_manager_window (GtkTrayIcon *icon);
93 static void gtk_tray_icon_manager_window_destroyed (GtkTrayIcon *icon);
95 static GdkFilterReturn gtk_tray_icon_manager_filter (GdkXEvent *xevent,
100 G_DEFINE_TYPE (GtkTrayIcon, gtk_tray_icon, GTK_TYPE_PLUG)
103 gtk_tray_icon_class_init (GtkTrayIconClass *class)
105 GObjectClass *gobject_class = (GObjectClass *)class;
106 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
108 gobject_class->get_property = gtk_tray_icon_get_property;
109 gobject_class->constructed = gtk_tray_icon_constructed;
110 gobject_class->dispose = gtk_tray_icon_dispose;
112 widget_class->realize = gtk_tray_icon_realize;
113 widget_class->style_set = gtk_tray_icon_style_set;
114 widget_class->delete_event = gtk_tray_icon_delete;
115 widget_class->expose_event = gtk_tray_icon_expose;
117 g_object_class_install_property (gobject_class,
119 g_param_spec_enum ("orientation",
121 P_("The orientation of the tray"),
122 GTK_TYPE_ORIENTATION,
123 GTK_ORIENTATION_HORIZONTAL,
124 GTK_PARAM_READABLE));
126 g_object_class_install_property (gobject_class,
128 g_param_spec_boxed ("fg-color",
129 P_("Foreground color"),
130 P_("Foreground color for symbolic icons"),
132 GTK_PARAM_READABLE));
134 g_object_class_install_property (gobject_class,
136 g_param_spec_boxed ("error-color",
138 P_("Error color for symbolic icons"),
140 GTK_PARAM_READABLE));
142 g_object_class_install_property (gobject_class,
144 g_param_spec_boxed ("warning-color",
146 P_("Warning color for symbolic icons"),
148 GTK_PARAM_READABLE));
150 g_object_class_install_property (gobject_class,
152 g_param_spec_boxed ("success-color",
154 P_("Success color for symbolic icons"),
156 GTK_PARAM_READABLE));
158 g_object_class_install_property (gobject_class,
160 g_param_spec_int ("padding",
162 P_("Padding that should be put around icons in the tray"),
166 GTK_PARAM_READABLE));
168 g_type_class_add_private (class, sizeof (GtkTrayIconPrivate));
172 gtk_tray_icon_init (GtkTrayIcon *icon)
174 icon->priv = G_TYPE_INSTANCE_GET_PRIVATE (icon, GTK_TYPE_TRAY_ICON,
177 icon->priv->stamp = 1;
178 icon->priv->orientation = GTK_ORIENTATION_HORIZONTAL;
179 icon->priv->fg_color.red = 0x0000;
180 icon->priv->fg_color.green = 0x0000;
181 icon->priv->fg_color.blue = 0x0000;
182 icon->priv->error_color.red = 0xcc00;
183 icon->priv->error_color.green = 0x0000;
184 icon->priv->error_color.blue = 0x0000;
185 icon->priv->warning_color.red = 0xf500;
186 icon->priv->warning_color.green = 0x7900;
187 icon->priv->warning_color.blue = 0x3e00;
188 icon->priv->success_color.red = 0x4e00;
189 icon->priv->success_color.green = 0x9a00;
190 icon->priv->success_color.blue = 0x0600;
191 icon->priv->padding = 0;
193 gtk_widget_set_app_paintable (GTK_WIDGET (icon), TRUE);
194 gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
198 gtk_tray_icon_constructed (GObject *object)
200 /* Do setup that depends on the screen; screen has been set at this point */
202 GtkTrayIcon *icon = GTK_TRAY_ICON (object);
203 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (object));
204 GdkWindow *root_window = gdk_screen_get_root_window (screen);
205 GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (object));
206 Display *xdisplay = gdk_x11_display_get_xdisplay (display);
209 g_snprintf (buffer, sizeof (buffer),
210 "_NET_SYSTEM_TRAY_S%d",
211 gdk_screen_get_number (screen));
213 icon->priv->selection_atom = XInternAtom (xdisplay, buffer, False);
215 icon->priv->manager_atom = XInternAtom (xdisplay, "MANAGER", False);
217 icon->priv->system_tray_opcode_atom = XInternAtom (xdisplay,
218 "_NET_SYSTEM_TRAY_OPCODE",
221 icon->priv->orientation_atom = XInternAtom (xdisplay,
222 "_NET_SYSTEM_TRAY_ORIENTATION",
225 icon->priv->visual_atom = XInternAtom (xdisplay,
226 "_NET_SYSTEM_TRAY_VISUAL",
229 icon->priv->colors_atom = XInternAtom (xdisplay,
230 "_NET_SYSTEM_TRAY_COLORS",
233 icon->priv->padding_atom = XInternAtom (xdisplay,
234 "_NET_SYSTEM_TRAY_PADDING",
237 /* Add a root window filter so that we get changes on MANAGER */
238 gdk_window_add_filter (root_window,
239 gtk_tray_icon_manager_filter, icon);
241 gtk_tray_icon_update_manager_window (icon);
245 gtk_tray_icon_clear_manager_window (GtkTrayIcon *icon)
247 GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (icon));
249 if (icon->priv->manager_window != None)
253 gdkwin = gdk_window_lookup_for_display (display,
254 icon->priv->manager_window);
256 gdk_window_remove_filter (gdkwin, gtk_tray_icon_manager_filter, icon);
258 icon->priv->manager_window = None;
259 icon->priv->manager_visual = NULL;
264 gtk_tray_icon_dispose (GObject *object)
266 GtkTrayIcon *icon = GTK_TRAY_ICON (object);
267 GtkWidget *widget = GTK_WIDGET (object);
268 GdkWindow *root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget));
270 gtk_tray_icon_clear_manager_window (icon);
272 gdk_window_remove_filter (root_window, gtk_tray_icon_manager_filter, icon);
276 gtk_tray_icon_get_property (GObject *object,
281 GtkTrayIcon *icon = GTK_TRAY_ICON (object);
285 case PROP_ORIENTATION:
286 g_value_set_enum (value, icon->priv->orientation);
289 g_value_set_boxed (value, &icon->priv->fg_color);
291 case PROP_ERROR_COLOR:
292 g_value_set_boxed (value, &icon->priv->error_color);
294 case PROP_WARNING_COLOR:
295 g_value_set_boxed (value, &icon->priv->warning_color);
297 case PROP_SUCCESS_COLOR:
298 g_value_set_boxed (value, &icon->priv->success_color);
301 g_value_set_int (value, icon->priv->padding);
304 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
310 gtk_tray_icon_expose (GtkWidget *widget,
311 GdkEventExpose *event)
313 GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
314 GtkWidget *focus_child;
315 gint border_width, x, y, width, height;
316 gboolean retval = FALSE;
318 if (icon->priv->manager_visual_rgba)
320 /* Clear to transparent */
321 cairo_t *cr = gdk_cairo_create (widget->window);
322 cairo_set_source_rgba (cr, 0, 0, 0, 0);
323 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
324 gdk_cairo_region (cr, event->region);
330 /* Clear to parent-relative pixmap */
331 gdk_window_clear_area (widget->window, event->area.x, event->area.y,
332 event->area.width, event->area.height);
335 if (GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->expose_event)
336 retval = GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->expose_event (widget, event);
338 focus_child = gtk_container_get_focus_child (GTK_CONTAINER (widget));
339 if (focus_child && gtk_widget_has_focus (focus_child))
341 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
343 x = widget->allocation.x + border_width;
344 y = widget->allocation.y + border_width;
346 width = widget->allocation.width - 2 * border_width;
347 height = widget->allocation.height - 2 * border_width;
349 gtk_paint_focus (widget->style, widget->window,
350 gtk_widget_get_state (widget),
351 &event->area, widget, "tray_icon",
352 x, y, width, height);
359 gtk_tray_icon_get_orientation_property (GtkTrayIcon *icon)
361 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
362 GdkDisplay *display = gdk_screen_get_display (screen);
363 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
375 g_assert (icon->priv->manager_window != None);
377 gdk_error_trap_push ();
379 result = XGetWindowProperty (xdisplay,
380 icon->priv->manager_window,
381 icon->priv->orientation_atom,
384 &type, &format, &nitems,
385 &bytes_after, &(prop.prop_ch));
386 error = gdk_error_trap_pop ();
388 if (error || result != Success)
391 if (type == XA_CARDINAL && nitems == 1 && format == 32)
393 GtkOrientation orientation;
395 orientation = (prop.prop [0] == SYSTEM_TRAY_ORIENTATION_HORZ) ?
396 GTK_ORIENTATION_HORIZONTAL :
397 GTK_ORIENTATION_VERTICAL;
399 if (icon->priv->orientation != orientation)
401 icon->priv->orientation = orientation;
403 g_object_notify (G_OBJECT (icon), "orientation");
412 gtk_tray_icon_get_visual_property (GtkTrayIcon *icon)
414 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
415 GdkDisplay *display = gdk_screen_get_display (screen);
416 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
429 g_assert (icon->priv->manager_window != None);
431 gdk_error_trap_push ();
433 result = XGetWindowProperty (xdisplay,
434 icon->priv->manager_window,
435 icon->priv->visual_atom,
438 &type, &format, &nitems,
439 &bytes_after, &(prop.prop_ch));
440 error = gdk_error_trap_pop ();
444 if (!error && result == Success &&
445 type == XA_VISUALID && nitems == 1 && format == 32)
447 VisualID visual_id = prop.prop[0];
448 visual = gdk_x11_screen_lookup_visual (screen, visual_id);
451 icon->priv->manager_visual = visual;
452 icon->priv->manager_visual_rgba = visual != NULL &&
453 (visual->red_prec + visual->blue_prec + visual->green_prec < visual->depth);
455 /* For the background-relative hack we use when we aren't using a real RGBA
456 * visual, we can't be double-buffered */
457 gtk_widget_set_double_buffered (GTK_WIDGET (icon), icon->priv->manager_visual_rgba);
464 gtk_tray_icon_get_colors_property (GtkTrayIcon *icon)
466 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
467 GdkDisplay *display = gdk_screen_get_display (screen);
468 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
480 g_assert (icon->priv->manager_window != None);
482 gdk_error_trap_push ();
484 result = XGetWindowProperty (xdisplay,
485 icon->priv->manager_window,
486 icon->priv->colors_atom,
489 &type, &format, &nitems,
490 &bytes_after, &(prop.prop_ch));
491 error = gdk_error_trap_pop ();
493 if (error || result != Success)
496 if (type == XA_CARDINAL && nitems == 12 && format == 32)
500 g_object_freeze_notify (G_OBJECT (icon));
502 color.red = prop.prop[0];
503 color.green = prop.prop[1];
504 color.blue = prop.prop[2];
506 if (!gdk_color_equal (&icon->priv->fg_color, &color))
508 icon->priv->fg_color = color;
510 g_object_notify (G_OBJECT (icon), "fg-color");
513 color.red = prop.prop[3];
514 color.green = prop.prop[4];
515 color.blue = prop.prop[5];
517 if (!gdk_color_equal (&icon->priv->error_color, &color))
519 icon->priv->error_color = color;
521 g_object_notify (G_OBJECT (icon), "error-color");
524 g_object_thaw_notify (G_OBJECT (icon));
526 color.red = prop.prop[6];
527 color.green = prop.prop[7];
528 color.blue = prop.prop[8];
530 if (!gdk_color_equal (&icon->priv->warning_color, &color))
532 icon->priv->warning_color = color;
534 g_object_notify (G_OBJECT (icon), "warning-color");
537 g_object_thaw_notify (G_OBJECT (icon));
539 color.red = prop.prop[9];
540 color.green = prop.prop[10];
541 color.blue = prop.prop[11];
543 if (!gdk_color_equal (&icon->priv->success_color, &color))
545 icon->priv->success_color = color;
547 g_object_notify (G_OBJECT (icon), "success-color");
550 g_object_thaw_notify (G_OBJECT (icon));
558 gtk_tray_icon_get_padding_property (GtkTrayIcon *icon)
560 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
561 GdkDisplay *display = gdk_screen_get_display (screen);
562 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
574 g_assert (icon->priv->manager_window != None);
576 gdk_error_trap_push ();
578 result = XGetWindowProperty (xdisplay,
579 icon->priv->manager_window,
580 icon->priv->padding_atom,
583 &type, &format, &nitems,
584 &bytes_after, &(prop.prop_ch));
585 error = gdk_error_trap_pop ();
587 if (!error && result == Success &&
588 type == XA_CARDINAL && nitems == 1 && format == 32)
592 padding = prop.prop[0];
594 if (icon->priv->padding != padding)
596 icon->priv->padding = padding;
598 g_object_notify (G_OBJECT (icon), "padding");
606 static GdkFilterReturn
607 gtk_tray_icon_manager_filter (GdkXEvent *xevent,
611 GtkTrayIcon *icon = user_data;
612 XEvent *xev = (XEvent *)xevent;
614 if (xev->xany.type == ClientMessage &&
615 xev->xclient.message_type == icon->priv->manager_atom &&
616 xev->xclient.data.l[1] == icon->priv->selection_atom)
618 GTK_NOTE (PLUGSOCKET,
619 g_print ("GtkStatusIcon %p: tray manager appeared\n", icon));
621 gtk_tray_icon_update_manager_window (icon);
623 else if (xev->xany.window == icon->priv->manager_window)
625 if (xev->xany.type == PropertyNotify &&
626 xev->xproperty.atom == icon->priv->orientation_atom)
628 GTK_NOTE (PLUGSOCKET,
629 g_print ("GtkStatusIcon %p: got PropertyNotify on manager window for orientation atom\n", icon));
631 gtk_tray_icon_get_orientation_property (icon);
633 else if (xev->xany.type == PropertyNotify &&
634 xev->xproperty.atom == icon->priv->colors_atom)
636 GTK_NOTE (PLUGSOCKET,
637 g_print ("GtkStatusIcon %p: got PropertyNotify on manager window for colors atom\n", icon));
639 gtk_tray_icon_get_colors_property (icon);
641 else if (xev->xany.type == PropertyNotify &&
642 xev->xproperty.atom == icon->priv->padding_atom)
644 gtk_tray_icon_get_padding_property (icon);
646 else if (xev->xany.type == DestroyNotify)
648 GTK_NOTE (PLUGSOCKET,
649 g_print ("GtkStatusIcon %p: got DestroyNotify for manager window\n", icon));
651 gtk_tray_icon_manager_window_destroyed (icon);
654 GTK_NOTE (PLUGSOCKET,
655 g_print ("GtkStatusIcon %p: got other message on manager window\n", icon));
658 return GDK_FILTER_CONTINUE;
662 gtk_tray_icon_send_manager_message (GtkTrayIcon *icon,
669 XClientMessageEvent ev;
672 memset (&ev, 0, sizeof (ev));
673 ev.type = ClientMessage;
675 ev.message_type = icon->priv->system_tray_opcode_atom;
677 ev.data.l[0] = gdk_x11_get_server_time (GTK_WIDGET (icon)->window);
678 ev.data.l[1] = message;
679 ev.data.l[2] = data1;
680 ev.data.l[3] = data2;
681 ev.data.l[4] = data3;
683 display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
685 gdk_error_trap_push ();
687 icon->priv->manager_window, False, NoEventMask, (XEvent *)&ev);
688 gdk_display_sync (gtk_widget_get_display (GTK_WIDGET (icon)));
689 gdk_error_trap_pop ();
693 gtk_tray_icon_send_dock_request (GtkTrayIcon *icon)
695 GTK_NOTE (PLUGSOCKET,
696 g_print ("GtkStatusIcon %p: sending dock request to manager window %lx\n",
697 icon, (gulong) icon->priv->manager_window));
699 gtk_tray_icon_send_manager_message (icon,
700 SYSTEM_TRAY_REQUEST_DOCK,
701 icon->priv->manager_window,
702 gtk_plug_get_id (GTK_PLUG (icon)),
707 gtk_tray_icon_update_manager_window (GtkTrayIcon *icon)
709 GtkWidget *widget = GTK_WIDGET (icon);
710 GdkScreen *screen = gtk_widget_get_screen (widget);
711 GdkDisplay *display = gdk_screen_get_display (screen);
712 Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
714 GTK_NOTE (PLUGSOCKET,
715 g_print ("GtkStatusIcon %p: updating tray icon manager window, current manager window: %lx\n",
716 icon, (gulong) icon->priv->manager_window));
718 if (icon->priv->manager_window != None)
721 GTK_NOTE (PLUGSOCKET,
722 g_print ("GtkStatusIcon %p: trying to find manager window\n", icon));
724 XGrabServer (xdisplay);
726 icon->priv->manager_window = XGetSelectionOwner (xdisplay,
727 icon->priv->selection_atom);
729 if (icon->priv->manager_window != None)
730 XSelectInput (xdisplay,
731 icon->priv->manager_window, StructureNotifyMask|PropertyChangeMask);
733 XUngrabServer (xdisplay);
736 if (icon->priv->manager_window != None)
740 GTK_NOTE (PLUGSOCKET,
741 g_print ("GtkStatusIcon %p: is being managed by window %lx\n",
742 icon, (gulong) icon->priv->manager_window));
744 gdkwin = gdk_window_lookup_for_display (display,
745 icon->priv->manager_window);
747 gdk_window_add_filter (gdkwin, gtk_tray_icon_manager_filter, icon);
749 gtk_tray_icon_get_orientation_property (icon);
750 gtk_tray_icon_get_visual_property (icon);
751 gtk_tray_icon_get_colors_property (icon);
752 gtk_tray_icon_get_padding_property (icon);
754 if (gtk_widget_get_realized (GTK_WIDGET (icon)))
756 if ((icon->priv->manager_visual == NULL &&
757 gtk_widget_get_visual (widget) == gdk_screen_get_system_visual (screen)) ||
758 (icon->priv->manager_visual == gtk_widget_get_visual (widget)))
760 /* Already have the right visual, can just dock
762 gtk_tray_icon_send_dock_request (icon);
766 /* Need to re-realize the widget to get the right visual
768 gtk_widget_hide (widget);
769 gtk_widget_unrealize (widget);
770 gtk_widget_show (widget);
775 GTK_NOTE (PLUGSOCKET,
776 g_print ("GtkStatusIcon %p: no tray manager found\n", icon));
780 gtk_tray_icon_manager_window_destroyed (GtkTrayIcon *icon)
782 g_return_if_fail (icon->priv->manager_window != None);
784 GTK_NOTE (PLUGSOCKET,
785 g_print ("GtkStatusIcon %p: tray manager window destroyed\n", icon));
787 gtk_tray_icon_clear_manager_window (icon);
791 gtk_tray_icon_delete (GtkWidget *widget,
794 #ifdef G_ENABLE_DEBUG
795 GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
798 GTK_NOTE (PLUGSOCKET,
799 g_print ("GtkStatusIcon %p: delete notify, tray manager window %lx\n",
800 icon, (gulong) icon->priv->manager_window));
802 /* A bug in X server versions up to x.org 1.5.0 means that:
803 * XFixesChangeSaveSet(...., SaveSetRoot, SaveSetUnmap) doesn't work properly
804 * and we'll left mapped in a separate toplevel window if the tray is destroyed.
805 * For simplicity just get rid of our X window and start over.
807 gtk_widget_hide (widget);
808 gtk_widget_unrealize (widget);
809 gtk_widget_show (widget);
811 /* Handled it, don't destroy the tray icon */
816 gtk_tray_icon_set_colormap (GtkTrayIcon *icon)
818 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
819 GdkColormap *colormap;
820 GdkVisual *visual = icon->priv->manager_visual;
821 gboolean new_colormap = FALSE;
823 /* To avoid uncertainty about colormaps, _NET_SYSTEM_TRAY_VISUAL is supposed
824 * to be either the screen default visual or a TrueColor visual; ignore it
825 * if it is something else
827 if (visual && visual->type != GDK_VISUAL_TRUE_COLOR)
830 if (visual == NULL || visual == gdk_screen_get_system_visual (screen))
831 colormap = gdk_screen_get_system_colormap (screen);
832 else if (visual == gdk_screen_get_rgb_visual (screen))
833 colormap = gdk_screen_get_rgb_colormap (screen);
834 else if (visual == gdk_screen_get_rgba_visual (screen))
835 colormap = gdk_screen_get_rgba_colormap (screen);
838 colormap = gdk_colormap_new (visual, FALSE);
842 gtk_widget_set_colormap (GTK_WIDGET (icon), colormap);
845 g_object_unref (colormap);
849 gtk_tray_icon_realize (GtkWidget *widget)
851 GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
853 /* Set our colormap before realizing */
854 gtk_tray_icon_set_colormap (icon);
856 GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->realize (widget);
857 if (icon->priv->manager_visual_rgba)
859 /* Set a transparent background */
860 GdkColor transparent = { 0, 0, 0, 0 }; /* Only pixel=0 matters */
861 gdk_window_set_background (widget->window, &transparent);
865 /* Set a parent-relative background pixmap */
866 gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
869 GTK_NOTE (PLUGSOCKET,
870 g_print ("GtkStatusIcon %p: realized, window: %lx, socket window: %lx\n",
872 (gulong) GDK_WINDOW_XWINDOW (widget->window),
873 GTK_PLUG (icon)->socket_window ?
874 (gulong) GDK_WINDOW_XWINDOW (GTK_PLUG (icon)->socket_window) : 0UL));
876 if (icon->priv->manager_window != None)
877 gtk_tray_icon_send_dock_request (icon);
881 gtk_tray_icon_style_set (GtkWidget *widget,
882 GtkStyle *previous_style)
884 /* The default handler resets the background according to the style. We either
885 * use a transparent background or a parent-relative background and ignore the
886 * style background. So, just don't chain up.
891 _gtk_tray_icon_send_message (GtkTrayIcon *icon,
893 const gchar *message,
899 g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), 0);
900 g_return_val_if_fail (timeout >= 0, 0);
901 g_return_val_if_fail (message != NULL, 0);
903 if (icon->priv->manager_window == None)
907 len = strlen (message);
909 stamp = icon->priv->stamp++;
911 /* Get ready to send the message */
912 gtk_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
913 (Window)gtk_plug_get_id (GTK_PLUG (icon)),
914 timeout, len, stamp);
916 /* Now to send the actual message */
917 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
918 gdk_error_trap_push ();
921 XClientMessageEvent ev;
923 memset (&ev, 0, sizeof (ev));
924 ev.type = ClientMessage;
925 ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon));
927 ev.message_type = XInternAtom (xdisplay,
928 "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
931 memcpy (&ev.data, message, 20);
937 memcpy (&ev.data, message, len);
941 XSendEvent (xdisplay,
942 icon->priv->manager_window, False,
943 StructureNotifyMask, (XEvent *)&ev);
945 gdk_display_sync (gtk_widget_get_display (GTK_WIDGET (icon)));
946 gdk_error_trap_pop ();
952 _gtk_tray_icon_cancel_message (GtkTrayIcon *icon,
955 g_return_if_fail (GTK_IS_TRAY_ICON (icon));
956 g_return_if_fail (id > 0);
958 gtk_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
959 (Window)gtk_plug_get_id (GTK_PLUG (icon)),
964 _gtk_tray_icon_new_for_screen (GdkScreen *screen,
967 g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
969 return g_object_new (GTK_TYPE_TRAY_ICON,
976 _gtk_tray_icon_new (const gchar *name)
978 return g_object_new (GTK_TYPE_TRAY_ICON,
984 _gtk_tray_icon_get_orientation (GtkTrayIcon *icon)
986 g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), GTK_ORIENTATION_HORIZONTAL);
988 return icon->priv->orientation;
992 _gtk_tray_icon_get_padding (GtkTrayIcon *icon)
994 g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), 0);
996 return icon->priv->padding;