forked from pool/gnome-bluetooth
91 lines
2.6 KiB
Diff
91 lines
2.6 KiB
Diff
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--- libegg/libegg/tray/eggtrayicon.c
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+++ libegg/libegg/tray/eggtrayicon.c
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@@ -62,6 +62,9 @@
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static void egg_tray_icon_realize (GtkWidget *widget);
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static void egg_tray_icon_unrealize (GtkWidget *widget);
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+static void egg_tray_icon_add (GtkContainer *container,
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+ GtkWidget *widget);
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+
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static void egg_tray_icon_update_manager_window (EggTrayIcon *icon);
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GType
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@@ -104,6 +107,7 @@
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{
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GObjectClass *gobject_class = (GObjectClass *)klass;
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GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;
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+ GtkContainerClass *container_class = (GtkContainerClass *)klass;
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parent_class = g_type_class_peek_parent (klass);
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@@ -112,6 +116,8 @@
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widget_class->realize = egg_tray_icon_realize;
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widget_class->unrealize = egg_tray_icon_unrealize;
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+ container_class->add = egg_tray_icon_add;
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+
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g_object_class_install_property (gobject_class,
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PROP_ORIENTATION,
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g_param_spec_enum ("orientation",
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@@ -330,6 +336,36 @@
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}
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}
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+static gboolean
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+transparent_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
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+{
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+ gdk_window_clear_area (widget->window, event->area.x, event->area.y,
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+ event->area.width, event->area.height);
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+ return FALSE;
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+}
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+
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+static void
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+make_transparent_again (GtkWidget *widget, GtkStyle *previous_style,
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+ gpointer user_data)
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+{
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+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
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+}
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+
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+static void
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+make_transparent (GtkWidget *widget, gpointer user_data)
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+{
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+ if (GTK_WIDGET_NO_WINDOW (widget) || GTK_WIDGET_APP_PAINTABLE (widget))
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+ return;
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+
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+ gtk_widget_set_app_paintable (widget, TRUE);
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+ gtk_widget_set_double_buffered (widget, FALSE);
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+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
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+ g_signal_connect (widget, "expose_event",
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+ G_CALLBACK (transparent_expose_event), NULL);
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+ g_signal_connect_after (widget, "style_set",
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+ G_CALLBACK (make_transparent_again), NULL);
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+}
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+
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static void
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egg_tray_icon_realize (GtkWidget *widget)
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{
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@@ -343,6 +379,8 @@
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if (GTK_WIDGET_CLASS (parent_class)->realize)
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GTK_WIDGET_CLASS (parent_class)->realize (widget);
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+ make_transparent (widget, NULL);
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+
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screen = gtk_widget_get_screen (widget);
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display = gdk_screen_get_display (screen);
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xdisplay = gdk_x11_display_get_xdisplay (display);
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@@ -373,6 +411,14 @@
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egg_tray_icon_manager_filter, icon);
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}
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+static void
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+egg_tray_icon_add (GtkContainer *container, GtkWidget *widget)
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+{
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+ g_signal_connect (widget, "realize",
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+ G_CALLBACK (make_transparent), NULL);
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+ GTK_CONTAINER_CLASS (parent_class)->add (container, widget);
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+}
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+
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EggTrayIcon *
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egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name)
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{
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