Bug 570641 - Use null input area when a GTK+ grab is operative

This ensures that any popup windows we create in process, such as
the user status menu, will get X events delivered even if the user clicks
on the stage input area.
This commit is contained in:
Colin Walters 2009-02-06 17:33:08 -05:00
parent 9695f8f86e
commit e2b246a006

View File

@ -14,9 +14,25 @@
#define SHELL_DBUS_SERVICE "org.gnome.Shell"
static void grab_notify (GtkWidget *widget, gboolean is_grab, gpointer user_data);
struct _ShellGlobal {
GObject parent;
/* We use this window to get a notification from GTK+ when
* a widget in our process does a GTK+ grab. See
* http://bugzilla.gnome.org/show_bug.cgi?id=570641
*
* This window is never mapped or shown.
*/
GtkWindow *grab_notifier;
gboolean grab_active;
/* See shell_global_set_stage_input_area */
int input_x;
int input_y;
int input_width;
int input_height;
MutterPlugin *plugin;
ShellWM *wm;
gboolean keyboard_grabbed;
@ -133,6 +149,10 @@ shell_global_init (ShellGlobal *global)
g_free (imagedir);
global->imagedir = g_strdup_printf ("%s/", datadir);
}
global->grab_notifier = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
g_signal_connect (global->grab_notifier, "grab-notify", G_CALLBACK (grab_notify), global);
global->grab_active = FALSE;
}
static void
@ -438,6 +458,13 @@ shell_global_set_stage_input_area (ShellGlobal *global,
{
g_return_if_fail (SHELL_IS_GLOBAL (global));
/* Cache these so we can save/restore across grabs */
global->input_x = x;
global->input_y = y;
global->input_width = width;
global->input_height = height;
/* If we have a grab active, we'll set the input area when we ungrab. */
if (!global->grab_active)
mutter_plugin_set_stage_input_area (global->plugin, x, y, width, height);
}
@ -610,3 +637,19 @@ shell_global_start_task_panel (ShellGlobal *global)
g_clear_error (&error);
}
}
static void
grab_notify (GtkWidget *widget, gboolean was_grabbed, gpointer user_data)
{
ShellGlobal *global = SHELL_GLOBAL (user_data);
if (!was_grabbed)
{
mutter_plugin_set_stage_input_area (global->plugin, 0, 0, 0, 0);
}
else
{
mutter_plugin_set_stage_input_area (global->plugin, global->input_x, global->input_y,
global->input_width, global->input_height);
}
}