/* gtktrayicon.c * Copyright (C) 2002 Anders Carlsson * * 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 #include "gtkintl.h" #include "gtkprivate.h" #include "gtktrayicon.h" #include "x11/gdkx.h" #include #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, PROP_FG_COLOR, PROP_ERROR_COLOR, PROP_WARNING_COLOR, PROP_SUCCESS_COLOR, PROP_PADDING }; struct _GtkTrayIconPrivate { guint stamp; Atom selection_atom; Atom manager_atom; Atom system_tray_opcode_atom; Atom orientation_atom; Atom visual_atom; Atom colors_atom; Atom padding_atom; Window manager_window; GdkVisual *manager_visual; gboolean manager_visual_rgba; GtkOrientation orientation; GdkColor fg_color; GdkColor error_color; GdkColor warning_color; GdkColor success_color; gint padding; }; 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, GTK_ORIENTATION_HORIZONTAL, GTK_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_FG_COLOR, g_param_spec_boxed ("fg-color", P_("Foreground color"), P_("Foreground color for symbolic icons"), GDK_TYPE_COLOR, GTK_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_ERROR_COLOR, g_param_spec_boxed ("error-color", P_("Error color"), P_("Error color for symbolic icons"), GDK_TYPE_COLOR, GTK_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_WARNING_COLOR, g_param_spec_boxed ("warning-color", P_("Warning color"), P_("Warning color for symbolic icons"), GDK_TYPE_COLOR, GTK_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_SUCCESS_COLOR, g_param_spec_boxed ("success-color", P_("Success color"), P_("Success color for symbolic icons"), GDK_TYPE_COLOR, GTK_PARAM_READABLE)); g_object_class_install_property (gobject_class, PROP_PADDING, g_param_spec_int ("padding", P_("Padding"), P_("Padding that should be put around icons in the tray"), 0, G_MAXINT, 0, 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; icon->priv->fg_color.red = 0x0000; icon->priv->fg_color.green = 0x0000; icon->priv->fg_color.blue = 0x0000; icon->priv->error_color.red = 0xcc00; icon->priv->error_color.green = 0x0000; icon->priv->error_color.blue = 0x0000; icon->priv->warning_color.red = 0xf500; icon->priv->warning_color.green = 0x7900; icon->priv->warning_color.blue = 0x3e00; icon->priv->success_color.red = 0x4e00; icon->priv->success_color.green = 0x9a00; icon->priv->success_color.blue = 0x0600; icon->priv->padding = 0; 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); icon->priv->colors_atom = XInternAtom (xdisplay, "_NET_SYSTEM_TRAY_COLORS", False); icon->priv->padding_atom = XInternAtom (xdisplay, "_NET_SYSTEM_TRAY_PADDING", 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; case PROP_FG_COLOR: g_value_set_boxed (value, &icon->priv->fg_color); break; case PROP_ERROR_COLOR: g_value_set_boxed (value, &icon->priv->error_color); break; case PROP_WARNING_COLOR: g_value_set_boxed (value, &icon->priv->warning_color); break; case PROP_SUCCESS_COLOR: g_value_set_boxed (value, &icon->priv->success_color); break; case PROP_PADDING: g_value_set_int (value, icon->priv->padding); 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); GtkAllocation allocation; GtkWidget *focus_child; GdkWindow *window; gint border_width, x, y, width, height; gboolean retval = FALSE; window = gtk_widget_get_window (widget); if (icon->priv->manager_visual_rgba) { /* Clear to transparent */ cairo_t *cr = gdk_cairo_create (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 (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_get_focus_child (GTK_CONTAINER (widget)); if (focus_child && gtk_widget_has_focus (focus_child)) { gtk_widget_get_allocation (widget, &allocation); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); x = allocation.x + border_width; y = allocation.y + border_width; width = allocation.width - 2 * border_width; height = allocation.height - 2 * border_width; gtk_paint_focus (gtk_widget_get_style (widget), window, gtk_widget_get_state (widget), &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 void gtk_tray_icon_get_colors_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->colors_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 == 12 && format == 32) { GdkColor color; g_object_freeze_notify (G_OBJECT (icon)); color.red = prop.prop[0]; color.green = prop.prop[1]; color.blue = prop.prop[2]; if (!gdk_color_equal (&icon->priv->fg_color, &color)) { icon->priv->fg_color = color; g_object_notify (G_OBJECT (icon), "fg-color"); } color.red = prop.prop[3]; color.green = prop.prop[4]; color.blue = prop.prop[5]; if (!gdk_color_equal (&icon->priv->error_color, &color)) { icon->priv->error_color = color; g_object_notify (G_OBJECT (icon), "error-color"); } g_object_thaw_notify (G_OBJECT (icon)); color.red = prop.prop[6]; color.green = prop.prop[7]; color.blue = prop.prop[8]; if (!gdk_color_equal (&icon->priv->warning_color, &color)) { icon->priv->warning_color = color; g_object_notify (G_OBJECT (icon), "warning-color"); } g_object_thaw_notify (G_OBJECT (icon)); color.red = prop.prop[9]; color.green = prop.prop[10]; color.blue = prop.prop[11]; if (!gdk_color_equal (&icon->priv->success_color, &color)) { icon->priv->success_color = color; g_object_notify (G_OBJECT (icon), "success-color"); } g_object_thaw_notify (G_OBJECT (icon)); } if (type != None) XFree (prop.prop); } static void gtk_tray_icon_get_padding_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->padding_atom, 0, G_MAXLONG, FALSE, XA_CARDINAL, &type, &format, &nitems, &bytes_after, &(prop.prop_ch)); error = gdk_error_trap_pop (); if (!error && result == Success && type == XA_CARDINAL && nitems == 1 && format == 32) { gint padding; padding = prop.prop[0]; if (icon->priv->padding != padding) { icon->priv->padding = padding; g_object_notify (G_OBJECT (icon), "padding"); } } 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 == PropertyNotify && xev->xproperty.atom == icon->priv->colors_atom) { GTK_NOTE (PLUGSOCKET, g_print ("GtkStatusIcon %p: got PropertyNotify on manager window for colors atom\n", icon)); gtk_tray_icon_get_colors_property (icon); } else if (xev->xany.type == PropertyNotify && xev->xproperty.atom == icon->priv->padding_atom) { gtk_tray_icon_get_padding_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) { GtkWidget *widget; XClientMessageEvent ev; Display *display; widget = GTK_WIDGET (icon); 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_get_window (widget)); 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 (widget)); gdk_error_trap_push (); XSendEvent (display, icon->priv->manager_window, False, NoEventMask, (XEvent *)&ev); gdk_error_trap_pop_ignored (); } 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); gtk_tray_icon_get_colors_property (icon); gtk_tray_icon_get_padding_property (icon); if (gtk_widget_get_realized (GTK_WIDGET (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) { #ifdef G_ENABLE_DEBUG GtkTrayIcon *icon = GTK_TRAY_ICON (widget); #endif 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_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); GdkWindow *window; /* Set our colormap before realizing */ gtk_tray_icon_set_colormap (icon); GTK_WIDGET_CLASS (gtk_tray_icon_parent_class)->realize (widget); window = gtk_widget_get_window (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 (window, &transparent); } else { /* Set a parent-relative background pixmap */ gdk_window_set_background_pattern (window, NULL); } GTK_NOTE (PLUGSOCKET, g_print ("GtkStatusIcon %p: realized, window: %lx, socket window: %lx\n", widget, (gulong) GDK_WINDOW_XWINDOW (window), gtk_plug_get_socket_window (GTK_PLUG (icon)) ? (gulong) GDK_WINDOW_XWINDOW (gtk_plug_get_socket_window (GTK_PLUG (icon))) : 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; Display *xdisplay; 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 */ xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon))); gdk_error_trap_push (); while (len > 0) { XClientMessageEvent ev; 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); } gdk_error_trap_pop_ignored (); 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; } gint _gtk_tray_icon_get_padding (GtkTrayIcon *icon) { g_return_val_if_fail (GTK_IS_TRAY_ICON (icon), 0); return icon->priv->padding; }