749 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			749 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* gtktrayicon.c
 | |
|  * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org>
 | |
|  *
 | |
|  * This library is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Lesser General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This library is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * Lesser General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Lesser General Public
 | |
|  * License along with this library; if not, write to the
 | |
|  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 | |
|  * Boston, MA 02111-1307, USA.
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * This is an implementation of the freedesktop.org "system tray" spec,
 | |
|  * http://www.freedesktop.org/wiki/Standards/systemtray-spec
 | |
|  */
 | |
| 
 | |
| #include "config.h"
 | |
| #include <string.h>
 | |
| 
 | |
| #include "gtkintl.h"
 | |
| #include "gtkprivate.h"
 | |
| #include "gtktrayicon.h"
 | |
| 
 | |
| #include "gtkalias.h"
 | |
| 
 | |
| #include "x11/gdkx.h"
 | |
| #include <X11/Xatom.h>
 | |
| 
 | |
| #define SYSTEM_TRAY_REQUEST_DOCK    0
 | |
| #define SYSTEM_TRAY_BEGIN_MESSAGE   1
 | |
| #define SYSTEM_TRAY_CANCEL_MESSAGE  2
 | |
| 
 | |
| #define SYSTEM_TRAY_ORIENTATION_HORZ 0
 | |
| #define SYSTEM_TRAY_ORIENTATION_VERT 1
 | |
| 
 | |
| enum {
 | |
|   PROP_0,
 | |
|   PROP_ORIENTATION
 | |
| };
 | |
| 
 | |
| struct _GtkTrayIconPrivate
 | |
| {
 | |
|   guint stamp;
 | |
|   
 | |
|   Atom selection_atom;
 | |
|   Atom manager_atom;
 | |
|   Atom system_tray_opcode_atom;
 | |
|   Atom orientation_atom;
 | |
|   Atom visual_atom;
 | |
|   Window manager_window;
 | |
|   GdkVisual *manager_visual;
 | |
|   gboolean manager_visual_rgba;
 | |
| 
 | |
|   GtkOrientation orientation;
 | |
| };
 | |
| 
 | |
| static void gtk_tray_icon_constructed   (GObject     *object);
 | |
| static void gtk_tray_icon_dispose       (GObject     *object);
 | |
| 
 | |
| static void gtk_tray_icon_get_property  (GObject     *object,
 | |
| 				 	 guint        prop_id,
 | |
| 					 GValue      *value,
 | |
| 					 GParamSpec  *pspec);
 | |
| 
 | |
| static void     gtk_tray_icon_realize   (GtkWidget   *widget);
 | |
| static void     gtk_tray_icon_style_set (GtkWidget   *widget,
 | |
| 					 GtkStyle    *previous_style);
 | |
| static gboolean gtk_tray_icon_delete    (GtkWidget   *widget,
 | |
| 					 GdkEventAny *event);
 | |
| static gboolean gtk_tray_icon_expose    (GtkWidget      *widget, 
 | |
| 					 GdkEventExpose *event);
 | |
| 
 | |
| static void gtk_tray_icon_clear_manager_window     (GtkTrayIcon *icon);
 | |
| static void gtk_tray_icon_update_manager_window    (GtkTrayIcon *icon);
 | |
| static void gtk_tray_icon_manager_window_destroyed (GtkTrayIcon *icon);
 | |
| 
 | |
| static GdkFilterReturn gtk_tray_icon_manager_filter (GdkXEvent *xevent,
 | |
| 						     GdkEvent  *event,
 | |
| 						     gpointer   user_data);
 | |
| 
 | |
| 
 | |
| G_DEFINE_TYPE (GtkTrayIcon, gtk_tray_icon, GTK_TYPE_PLUG)
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_class_init (GtkTrayIconClass *class)
 | |
| {
 | |
|   GObjectClass *gobject_class = (GObjectClass *)class;
 | |
|   GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
 | |
| 
 | |
|   gobject_class->get_property = gtk_tray_icon_get_property;
 | |
|   gobject_class->constructed = gtk_tray_icon_constructed;
 | |
|   gobject_class->dispose = gtk_tray_icon_dispose;
 | |
| 
 | |
|   widget_class->realize = gtk_tray_icon_realize;
 | |
|   widget_class->style_set = gtk_tray_icon_style_set;
 | |
|   widget_class->delete_event = gtk_tray_icon_delete;
 | |
|   widget_class->expose_event = gtk_tray_icon_expose;
 | |
| 
 | |
|   g_object_class_install_property (gobject_class,
 | |
| 				   PROP_ORIENTATION,
 | |
| 				   g_param_spec_enum ("orientation",
 | |
| 						      P_("Orientation"),
 | |
| 						      P_("The orientation of the tray"),
 | |
| 						      GTK_TYPE_ORIENTATION,
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| 						      GTK_ORIENTATION_HORIZONTAL,
 | |
| 						      GTK_PARAM_READABLE));
 | |
| 
 | |
|   g_type_class_add_private (class, sizeof (GtkTrayIconPrivate));
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_init (GtkTrayIcon *icon)
 | |
| {
 | |
|   icon->priv = G_TYPE_INSTANCE_GET_PRIVATE (icon, GTK_TYPE_TRAY_ICON,
 | |
| 					    GtkTrayIconPrivate);
 | |
|   
 | |
|   icon->priv->stamp = 1;
 | |
|   icon->priv->orientation = GTK_ORIENTATION_HORIZONTAL;
 | |
| 
 | |
|   gtk_widget_set_app_paintable (GTK_WIDGET (icon), TRUE);
 | |
|   gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_constructed (GObject *object)
 | |
| {
 | |
|   /* Do setup that depends on the screen; screen has been set at this point */
 | |
| 
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (object);
 | |
|   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (object));
 | |
|   GdkWindow *root_window = gdk_screen_get_root_window (screen);
 | |
|   GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (object));
 | |
|   Display *xdisplay = gdk_x11_display_get_xdisplay (display);
 | |
|   char buffer[256];
 | |
|   
 | |
|   g_snprintf (buffer, sizeof (buffer),
 | |
| 	      "_NET_SYSTEM_TRAY_S%d",
 | |
| 	      gdk_screen_get_number (screen));
 | |
| 
 | |
|   icon->priv->selection_atom = XInternAtom (xdisplay, buffer, False);
 | |
|   
 | |
|   icon->priv->manager_atom = XInternAtom (xdisplay, "MANAGER", False);
 | |
|   
 | |
|   icon->priv->system_tray_opcode_atom = XInternAtom (xdisplay,
 | |
| 						     "_NET_SYSTEM_TRAY_OPCODE",
 | |
| 						     False);
 | |
| 
 | |
|   icon->priv->orientation_atom = XInternAtom (xdisplay,
 | |
| 					      "_NET_SYSTEM_TRAY_ORIENTATION",
 | |
| 					      False);
 | |
| 
 | |
|   icon->priv->visual_atom = XInternAtom (xdisplay,
 | |
| 					 "_NET_SYSTEM_TRAY_VISUAL",
 | |
| 					 False);
 | |
| 
 | |
|   /* Add a root window filter so that we get changes on MANAGER */
 | |
|   gdk_window_add_filter (root_window,
 | |
| 			 gtk_tray_icon_manager_filter, icon);
 | |
| 
 | |
|   gtk_tray_icon_update_manager_window (icon);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_clear_manager_window (GtkTrayIcon *icon)
 | |
| {
 | |
|   GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (icon));
 | |
| 
 | |
|   if (icon->priv->manager_window != None)
 | |
|     {
 | |
|       GdkWindow *gdkwin;
 | |
| 
 | |
|       gdkwin = gdk_window_lookup_for_display (display,
 | |
|                                               icon->priv->manager_window);
 | |
| 
 | |
|       gdk_window_remove_filter (gdkwin, gtk_tray_icon_manager_filter, icon);
 | |
| 
 | |
|       icon->priv->manager_window = None;
 | |
|       icon->priv->manager_visual = NULL;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_dispose (GObject *object)
 | |
| {
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (object);
 | |
|   GtkWidget *widget = GTK_WIDGET (object);
 | |
|   GdkWindow *root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget));
 | |
| 
 | |
|   gtk_tray_icon_clear_manager_window (icon);
 | |
| 
 | |
|   gdk_window_remove_filter (root_window, gtk_tray_icon_manager_filter, icon);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_get_property (GObject    *object,
 | |
| 			    guint       prop_id,
 | |
| 			    GValue     *value,
 | |
| 			    GParamSpec *pspec)
 | |
| {
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (object);
 | |
| 
 | |
|   switch (prop_id)
 | |
|     {
 | |
|     case PROP_ORIENTATION:
 | |
|       g_value_set_enum (value, icon->priv->orientation);
 | |
|       break;
 | |
|     default:
 | |
|       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_tray_icon_expose (GtkWidget      *widget, 
 | |
| 		      GdkEventExpose *event)
 | |
| {
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
 | |
|   GtkWidget *focus_child;
 | |
|   gint border_width, x, y, width, height;
 | |
|   gboolean retval = FALSE;
 | |
| 
 | |
|   if (icon->priv->manager_visual_rgba)
 | |
|     {
 | |
|       /* Clear to transparent */
 | |
|       cairo_t *cr = gdk_cairo_create (widget->window);
 | |
|       cairo_set_source_rgba (cr, 0, 0, 0, 0);
 | |
|       cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
 | |
|       gdk_cairo_region (cr, event->region);
 | |
|       cairo_fill (cr);
 | |
|       cairo_destroy (cr);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       /* Clear to parent-relative pixmap */
 | |
|       gdk_window_clear_area (widget->window, event->area.x, event->area.y,
 | |
| 			     event->area.width, event->area.height);
 | |
|     }
 | |
| 
 | |
|   if (GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->expose_event)
 | |
|     retval = GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->expose_event (widget, event);
 | |
| 
 | |
|   focus_child = GTK_CONTAINER (widget)->focus_child;
 | |
|   if (focus_child && GTK_WIDGET_HAS_FOCUS (focus_child))
 | |
|     {
 | |
|       border_width = GTK_CONTAINER (widget)->border_width;
 | |
| 
 | |
|       x = widget->allocation.x + border_width;
 | |
|       y = widget->allocation.y + border_width;
 | |
| 
 | |
|       width  = widget->allocation.width  - 2 * border_width;
 | |
|       height = widget->allocation.height - 2 * border_width;
 | |
| 
 | |
|       gtk_paint_focus (widget->style, widget->window,
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|                        GTK_WIDGET_STATE (widget),
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|                        &event->area, widget, "tray_icon",
 | |
|                        x, y, width, height);
 | |
|     }
 | |
| 
 | |
|   return retval;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_get_orientation_property (GtkTrayIcon *icon)
 | |
| {
 | |
|   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
 | |
|   GdkDisplay *display = gdk_screen_get_display (screen);
 | |
|   Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
 | |
| 
 | |
|   Atom type;
 | |
|   int format;
 | |
|   union {
 | |
| 	gulong *prop;
 | |
| 	guchar *prop_ch;
 | |
|   } prop = { NULL };
 | |
|   gulong nitems;
 | |
|   gulong bytes_after;
 | |
|   int error, result;
 | |
| 
 | |
|   g_assert (icon->priv->manager_window != None);
 | |
|   
 | |
|   gdk_error_trap_push ();
 | |
|   type = None;
 | |
|   result = XGetWindowProperty (xdisplay,
 | |
| 			       icon->priv->manager_window,
 | |
| 			       icon->priv->orientation_atom,
 | |
| 			       0, G_MAXLONG, FALSE,
 | |
| 			       XA_CARDINAL,
 | |
| 			       &type, &format, &nitems,
 | |
| 			       &bytes_after, &(prop.prop_ch));
 | |
|   error = gdk_error_trap_pop ();
 | |
| 
 | |
|   if (error || result != Success)
 | |
|     return;
 | |
| 
 | |
|   if (type == XA_CARDINAL && nitems == 1 && format == 32)
 | |
|     {
 | |
|       GtkOrientation orientation;
 | |
| 
 | |
|       orientation = (prop.prop [0] == SYSTEM_TRAY_ORIENTATION_HORZ) ?
 | |
| 					GTK_ORIENTATION_HORIZONTAL :
 | |
| 					GTK_ORIENTATION_VERTICAL;
 | |
| 
 | |
|       if (icon->priv->orientation != orientation)
 | |
| 	{
 | |
| 	  icon->priv->orientation = orientation;
 | |
| 
 | |
| 	  g_object_notify (G_OBJECT (icon), "orientation");
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   if (type != None)
 | |
|     XFree (prop.prop);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_get_visual_property (GtkTrayIcon *icon)
 | |
| {
 | |
|   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
 | |
|   GdkDisplay *display = gdk_screen_get_display (screen);
 | |
|   Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
 | |
| 
 | |
|   Atom type;
 | |
|   int format;
 | |
|   union {
 | |
| 	gulong *prop;
 | |
| 	guchar *prop_ch;
 | |
|   } prop = { NULL };
 | |
|   gulong nitems;
 | |
|   gulong bytes_after;
 | |
|   int error, result;
 | |
|   GdkVisual *visual;
 | |
| 
 | |
|   g_assert (icon->priv->manager_window != None);
 | |
| 
 | |
|   gdk_error_trap_push ();
 | |
|   type = None;
 | |
|   result = XGetWindowProperty (xdisplay,
 | |
| 			       icon->priv->manager_window,
 | |
| 			       icon->priv->visual_atom,
 | |
| 			       0, G_MAXLONG, FALSE,
 | |
| 			       XA_VISUALID,
 | |
| 			       &type, &format, &nitems,
 | |
| 			       &bytes_after, &(prop.prop_ch));
 | |
|   error = gdk_error_trap_pop ();
 | |
| 
 | |
|   visual = NULL;
 | |
| 
 | |
|   if (!error && result == Success &&
 | |
|       type == XA_VISUALID && nitems == 1 && format == 32)
 | |
|     {
 | |
|       VisualID visual_id = prop.prop[0];
 | |
|       visual = gdk_x11_screen_lookup_visual (screen, visual_id);
 | |
|     }
 | |
| 
 | |
|   icon->priv->manager_visual = visual;
 | |
|   icon->priv->manager_visual_rgba = visual != NULL &&
 | |
|     (visual->red_prec + visual->blue_prec + visual->green_prec < visual->depth);
 | |
| 
 | |
|   /* For the background-relative hack we use when we aren't using a real RGBA
 | |
|    * visual, we can't be double-buffered */
 | |
|   gtk_widget_set_double_buffered (GTK_WIDGET (icon), icon->priv->manager_visual_rgba);
 | |
| 
 | |
|   if (type != None)
 | |
|     XFree (prop.prop);
 | |
| }
 | |
| 
 | |
| static GdkFilterReturn
 | |
| gtk_tray_icon_manager_filter (GdkXEvent *xevent, 
 | |
| 			      GdkEvent  *event, 
 | |
| 			      gpointer   user_data)
 | |
| {
 | |
|   GtkTrayIcon *icon = user_data;
 | |
|   XEvent *xev = (XEvent *)xevent;
 | |
| 
 | |
|   if (xev->xany.type == ClientMessage &&
 | |
|       xev->xclient.message_type == icon->priv->manager_atom &&
 | |
|       xev->xclient.data.l[1] == icon->priv->selection_atom)
 | |
|     {
 | |
|       GTK_NOTE (PLUGSOCKET,
 | |
| 		g_print ("GtkStatusIcon %p: tray manager appeared\n", icon));
 | |
| 
 | |
|       gtk_tray_icon_update_manager_window (icon);
 | |
|     }
 | |
|   else if (xev->xany.window == icon->priv->manager_window)
 | |
|     {
 | |
|       if (xev->xany.type == PropertyNotify &&
 | |
| 	  xev->xproperty.atom == icon->priv->orientation_atom)
 | |
| 	{
 | |
|           GTK_NOTE (PLUGSOCKET,
 | |
| 		    g_print ("GtkStatusIcon %p: got PropertyNotify on manager window for orientation atom\n", icon));
 | |
| 
 | |
| 	  gtk_tray_icon_get_orientation_property (icon);
 | |
| 	}
 | |
|       else if (xev->xany.type == DestroyNotify)
 | |
| 	{
 | |
|           GTK_NOTE (PLUGSOCKET,
 | |
| 		    g_print ("GtkStatusIcon %p: got DestroyNotify for manager window\n", icon));
 | |
| 
 | |
| 	  gtk_tray_icon_manager_window_destroyed (icon);
 | |
| 	}
 | |
|       else
 | |
|         GTK_NOTE (PLUGSOCKET,
 | |
| 		  g_print ("GtkStatusIcon %p: got other message on manager window\n", icon));
 | |
|     }
 | |
|   
 | |
|   return GDK_FILTER_CONTINUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_send_manager_message (GtkTrayIcon *icon,
 | |
| 				    long         message,
 | |
| 				    Window       window,
 | |
| 				    long         data1,
 | |
| 				    long         data2,
 | |
| 				    long         data3)
 | |
| {
 | |
|   XClientMessageEvent ev;
 | |
|   Display *display;
 | |
|   
 | |
|   memset (&ev, 0, sizeof (ev));
 | |
|   ev.type = ClientMessage;
 | |
|   ev.window = window;
 | |
|   ev.message_type = icon->priv->system_tray_opcode_atom;
 | |
|   ev.format = 32;
 | |
|   ev.data.l[0] = gdk_x11_get_server_time (GTK_WIDGET (icon)->window);
 | |
|   ev.data.l[1] = message;
 | |
|   ev.data.l[2] = data1;
 | |
|   ev.data.l[3] = data2;
 | |
|   ev.data.l[4] = data3;
 | |
| 
 | |
|   display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
 | |
|   
 | |
|   gdk_error_trap_push ();
 | |
|   XSendEvent (display,
 | |
| 	      icon->priv->manager_window, False, NoEventMask, (XEvent *)&ev);
 | |
|   XSync (display, False);
 | |
|   gdk_error_trap_pop ();
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_send_dock_request (GtkTrayIcon *icon)
 | |
| {
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: sending dock request to manager window %lx\n",
 | |
| 	    	     icon, (gulong) icon->priv->manager_window));
 | |
| 
 | |
|   gtk_tray_icon_send_manager_message (icon,
 | |
| 				      SYSTEM_TRAY_REQUEST_DOCK,
 | |
| 				      icon->priv->manager_window,
 | |
| 				      gtk_plug_get_id (GTK_PLUG (icon)),
 | |
| 				      0, 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_update_manager_window (GtkTrayIcon *icon)
 | |
| {
 | |
|   GtkWidget *widget = GTK_WIDGET (icon);
 | |
|   GdkScreen *screen = gtk_widget_get_screen (widget);
 | |
|   GdkDisplay *display = gdk_screen_get_display (screen);
 | |
|   Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
 | |
| 
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: updating tray icon manager window, current manager window: %lx\n",
 | |
| 		     icon, (gulong) icon->priv->manager_window));
 | |
| 
 | |
|   if (icon->priv->manager_window != None)
 | |
|     return;
 | |
| 
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: trying to find manager window\n", icon));
 | |
| 
 | |
|   XGrabServer (xdisplay);
 | |
|   
 | |
|   icon->priv->manager_window = XGetSelectionOwner (xdisplay,
 | |
| 						   icon->priv->selection_atom);
 | |
| 
 | |
|   if (icon->priv->manager_window != None)
 | |
|     XSelectInput (xdisplay,
 | |
| 		  icon->priv->manager_window, StructureNotifyMask|PropertyChangeMask);
 | |
| 
 | |
|   XUngrabServer (xdisplay);
 | |
|   XFlush (xdisplay);
 | |
|   
 | |
|   if (icon->priv->manager_window != None)
 | |
|     {
 | |
|       GdkWindow *gdkwin;
 | |
| 
 | |
|       GTK_NOTE (PLUGSOCKET,
 | |
| 		g_print ("GtkStatusIcon %p: is being managed by window %lx\n",
 | |
| 				icon, (gulong) icon->priv->manager_window));
 | |
| 
 | |
|       gdkwin = gdk_window_lookup_for_display (display,
 | |
| 					      icon->priv->manager_window);
 | |
|       
 | |
|       gdk_window_add_filter (gdkwin, gtk_tray_icon_manager_filter, icon);
 | |
| 
 | |
|       gtk_tray_icon_get_orientation_property (icon);
 | |
|       gtk_tray_icon_get_visual_property (icon);
 | |
| 
 | |
|       if (GTK_WIDGET_REALIZED (icon))
 | |
| 	{
 | |
| 	  if ((icon->priv->manager_visual == NULL &&
 | |
| 	       gtk_widget_get_visual (widget) == gdk_screen_get_system_visual (screen)) ||
 | |
| 	      (icon->priv->manager_visual == gtk_widget_get_visual (widget)))
 | |
| 	    {
 | |
| 	      /* Already have the right visual, can just dock
 | |
| 	       */
 | |
| 	      gtk_tray_icon_send_dock_request (icon);
 | |
| 	    }
 | |
| 	  else
 | |
| 	    {
 | |
| 	      /* Need to re-realize the widget to get the right visual
 | |
| 	       */
 | |
| 	      gtk_widget_hide (widget);
 | |
| 	      gtk_widget_unrealize (widget);
 | |
| 	      gtk_widget_show (widget);
 | |
| 	    }
 | |
| 	}
 | |
|     }
 | |
|   else
 | |
|     GTK_NOTE (PLUGSOCKET,
 | |
| 	      g_print ("GtkStatusIcon %p: no tray manager found\n", icon));
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_manager_window_destroyed (GtkTrayIcon *icon)
 | |
| {
 | |
|   g_return_if_fail (icon->priv->manager_window != None);
 | |
| 
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: tray manager window destroyed\n", icon));
 | |
| 
 | |
|   gtk_tray_icon_clear_manager_window (icon);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_tray_icon_delete (GtkWidget   *widget,
 | |
| 		      GdkEventAny *event)
 | |
| {
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
 | |
| 
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: delete notify, tray manager window %lx\n",
 | |
| 		     icon, (gulong) icon->priv->manager_window));
 | |
| 
 | |
|   /* A bug in X server versions up to x.org 1.5.0 means that:
 | |
|    * XFixesChangeSaveSet(...., SaveSetRoot, SaveSetUnmap) doesn't work properly
 | |
|    * and we'll left mapped in a separate toplevel window if the tray is destroyed.
 | |
|    * For simplicity just get rid of our X window and start over.
 | |
|    */
 | |
|   gtk_widget_hide (widget);
 | |
|   gtk_widget_unrealize (widget);
 | |
|   gtk_widget_show (widget);
 | |
| 
 | |
|   /* Handled it, don't destroy the tray icon */
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_set_colormap (GtkTrayIcon *icon)
 | |
| {
 | |
|   GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (icon));
 | |
|   GdkColormap *colormap;
 | |
|   GdkVisual *visual = icon->priv->manager_visual;
 | |
|   gboolean new_colormap = FALSE;
 | |
| 
 | |
|   /* To avoid uncertainty about colormaps, _NET_SYSTEM_TRAY_VISUAL is supposed
 | |
|    * to be either the screen default visual or a TrueColor visual; ignore it
 | |
|    * if it is something else
 | |
|    */
 | |
|   if (visual && visual->type != GDK_VISUAL_TRUE_COLOR)
 | |
|     visual = NULL;
 | |
| 
 | |
|   if (visual == NULL || visual == gdk_screen_get_system_visual (screen))
 | |
|     colormap = gdk_screen_get_system_colormap (screen);
 | |
|   else if (visual == gdk_screen_get_rgb_visual (screen))
 | |
|     colormap = gdk_screen_get_rgb_colormap (screen);
 | |
|   else if (visual == gdk_screen_get_rgba_visual (screen))
 | |
|     colormap = gdk_screen_get_rgba_colormap (screen);
 | |
|   else
 | |
|     {
 | |
|       colormap = gdk_colormap_new (visual, FALSE);
 | |
|       new_colormap = TRUE;
 | |
|     }
 | |
| 
 | |
|   gtk_widget_set_colormap (GTK_WIDGET (icon), colormap);
 | |
| 
 | |
|   if (new_colormap)
 | |
|     g_object_unref (colormap);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_realize (GtkWidget *widget)
 | |
| {
 | |
|   GtkTrayIcon *icon = GTK_TRAY_ICON (widget);
 | |
| 
 | |
|   /* Set our colormap before realizing */
 | |
|   gtk_tray_icon_set_colormap (icon);
 | |
| 
 | |
|   GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->realize (widget);
 | |
|   if (icon->priv->manager_visual_rgba)
 | |
|     {
 | |
|       /* Set a transparent background */
 | |
|       GdkColor transparent = { 0, 0, 0, 0 }; /* Only pixel=0 matters */
 | |
|       gdk_window_set_background (widget->window, &transparent);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       /* Set a parent-relative background pixmap */
 | |
|       gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
 | |
|     }
 | |
| 
 | |
|   GTK_NOTE (PLUGSOCKET,
 | |
| 	    g_print ("GtkStatusIcon %p: realized, window: %lx, socket window: %lx\n",
 | |
| 		     widget,
 | |
| 		     (gulong) GDK_WINDOW_XWINDOW (widget->window),
 | |
| 		     GTK_PLUG (icon)->socket_window ?
 | |
| 			     (gulong) GDK_WINDOW_XWINDOW (GTK_PLUG (icon)->socket_window) : 0UL));
 | |
| 
 | |
|   if (icon->priv->manager_window != None)
 | |
|     gtk_tray_icon_send_dock_request (icon);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_tray_icon_style_set (GtkWidget   *widget,
 | |
| 			 GtkStyle    *previous_style)
 | |
| {
 | |
|   /* The default handler resets the background according to the style. We either
 | |
|    * use a transparent background or a parent-relative background and ignore the
 | |
|    * style background. So, just don't chain up.
 | |
|    */
 | |
| }
 | |
| 
 | |
| guint
 | |
| _gtk_tray_icon_send_message (GtkTrayIcon *icon,
 | |
| 			     gint         timeout,
 | |
| 			     const gchar *message,
 | |
| 			     gint         len)
 | |
| {
 | |
|   guint stamp;
 | |
|   
 | |
|   g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), 0);
 | |
|   g_return_val_if_fail (timeout >= 0, 0);
 | |
|   g_return_val_if_fail (message != NULL, 0);
 | |
| 		     
 | |
|   if (icon->priv->manager_window == None)
 | |
|     return 0;
 | |
| 
 | |
|   if (len < 0)
 | |
|     len = strlen (message);
 | |
| 
 | |
|   stamp = icon->priv->stamp++;
 | |
|   
 | |
|   /* Get ready to send the message */
 | |
|   gtk_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
 | |
| 				      (Window)gtk_plug_get_id (GTK_PLUG (icon)),
 | |
| 				      timeout, len, stamp);
 | |
| 
 | |
|   /* Now to send the actual message */
 | |
|   gdk_error_trap_push ();
 | |
|   while (len > 0)
 | |
|     {
 | |
|       XClientMessageEvent ev;
 | |
|       Display *xdisplay;
 | |
| 
 | |
|       xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
 | |
|       
 | |
|       memset (&ev, 0, sizeof (ev));
 | |
|       ev.type = ClientMessage;
 | |
|       ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon));
 | |
|       ev.format = 8;
 | |
|       ev.message_type = XInternAtom (xdisplay,
 | |
| 				     "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
 | |
|       if (len > 20)
 | |
| 	{
 | |
| 	  memcpy (&ev.data, message, 20);
 | |
| 	  len -= 20;
 | |
| 	  message += 20;
 | |
| 	}
 | |
|       else
 | |
| 	{
 | |
| 	  memcpy (&ev.data, message, len);
 | |
| 	  len = 0;
 | |
| 	}
 | |
| 
 | |
|       XSendEvent (xdisplay,
 | |
| 		  icon->priv->manager_window, False, 
 | |
| 		  StructureNotifyMask, (XEvent *)&ev);
 | |
|       XSync (xdisplay, False);
 | |
|     }
 | |
| 
 | |
|   gdk_error_trap_pop ();
 | |
| 
 | |
|   return stamp;
 | |
| }
 | |
| 
 | |
| void
 | |
| _gtk_tray_icon_cancel_message (GtkTrayIcon *icon,
 | |
| 			       guint        id)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_TRAY_ICON (icon));
 | |
|   g_return_if_fail (id > 0);
 | |
|   
 | |
|   gtk_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
 | |
| 				      (Window)gtk_plug_get_id (GTK_PLUG (icon)),
 | |
| 				      id, 0, 0);
 | |
| }
 | |
| 
 | |
| GtkTrayIcon *
 | |
| _gtk_tray_icon_new_for_screen (GdkScreen  *screen, 
 | |
| 			       const gchar *name)
 | |
| {
 | |
|   g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
 | |
| 
 | |
|   return g_object_new (GTK_TYPE_TRAY_ICON, 
 | |
| 		       "screen", screen, 
 | |
| 		       "title", name, 
 | |
| 		       NULL);
 | |
| }
 | |
| 
 | |
| GtkTrayIcon*
 | |
| _gtk_tray_icon_new (const gchar *name)
 | |
| {
 | |
|   return g_object_new (GTK_TYPE_TRAY_ICON, 
 | |
| 		       "title", name, 
 | |
| 		       NULL);
 | |
| }
 | |
| 
 | |
| GtkOrientation
 | |
| _gtk_tray_icon_get_orientation (GtkTrayIcon *icon)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), GTK_ORIENTATION_HORIZONTAL);
 | |
| 
 | |
|   return icon->priv->orientation;
 | |
| }
 | |
| 
 | |
| 
 | |
| #define __GTK_TRAY_ICON_X11_C__
 | |
| #include "gtkaliasdef.c"
 | |
| 
 | 
