e09cf6978e
This avoids a case where the display has been opened, but calling gdk_display_get_default() in the callback doesn't work. Reviewed-by: Benjamin Otte <otte@redhat.com>
144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
/* GDK - The GIMP Drawing Kit
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* gdkdisplaymanager-x11.c
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*
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* Copyright 2010 Red Hat, Inc.
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*
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* Author: Matthias clasen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkx11displaymanager.h"
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#include "gdkdisplaymanagerprivate.h"
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#include "gdkdisplay-x11.h"
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#include "gdkprivate-x11.h"
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#include "gdkinternals.h"
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struct _GdkX11DisplayManager
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{
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GdkDisplayManager parent;
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GdkDisplay *default_display;
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GSList *displays;
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};
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struct _GdkX11DisplayManagerClass
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{
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GdkDisplayManagerClass parent_class;
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};
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G_DEFINE_TYPE (GdkX11DisplayManager, gdk_x11_display_manager, GDK_TYPE_DISPLAY_MANAGER)
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static GdkDisplay *
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gdk_x11_display_manager_open_display (GdkDisplayManager *manager,
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const gchar *name)
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{
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GdkX11DisplayManager *manager_x11 = GDK_X11_DISPLAY_MANAGER (manager);
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GdkDisplay *display;
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display = _gdk_x11_display_open (name);
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if (display != NULL)
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{
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if (manager_x11->default_display == NULL)
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gdk_display_manager_set_default_display (manager, display);
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g_signal_emit_by_name (manager, "display-opened", display);
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}
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return display;
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}
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static GSList *
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gdk_x11_display_manager_list_displays (GdkDisplayManager *manager)
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{
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return g_slist_copy (GDK_X11_DISPLAY_MANAGER (manager)->displays);
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}
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static GdkDisplay *
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gdk_x11_display_manager_get_default_display (GdkDisplayManager *manager)
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{
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return GDK_X11_DISPLAY_MANAGER (manager)->default_display;
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}
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static void
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gdk_x11_display_manager_set_default_display (GdkDisplayManager *manager,
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GdkDisplay *display)
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{
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GDK_X11_DISPLAY_MANAGER (manager)->default_display = display;
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if (display)
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_gdk_x11_display_make_default (display);
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}
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static void
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gdk_x11_display_manager_init (GdkX11DisplayManager *manager)
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{
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_gdk_x11_windowing_init ();
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}
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static void
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gdk_x11_display_manager_finalize (GObject *object)
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{
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g_error ("A GdkX11DisplayManager object was finalized. This should not happen");
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G_OBJECT_CLASS (gdk_x11_display_manager_parent_class)->finalize (object);
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}
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static void
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gdk_x11_display_manager_class_init (GdkX11DisplayManagerClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GdkDisplayManagerClass *manager_class = GDK_DISPLAY_MANAGER_CLASS (class);
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object_class->finalize = gdk_x11_display_manager_finalize;
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manager_class->open_display = gdk_x11_display_manager_open_display;
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manager_class->list_displays = gdk_x11_display_manager_list_displays;
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manager_class->set_default_display = gdk_x11_display_manager_set_default_display;
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manager_class->get_default_display = gdk_x11_display_manager_get_default_display;
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manager_class->atom_intern = _gdk_x11_display_manager_atom_intern;
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manager_class->get_atom_name = _gdk_x11_display_manager_get_atom_name;
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manager_class->lookup_keyval = _gdk_x11_display_manager_lookup_keyval;
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manager_class->get_keyval_name = _gdk_x11_display_manager_get_keyval_name;
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manager_class->keyval_convert_case = _gdk_x11_display_manager_keyval_convert_case;
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}
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void
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_gdk_x11_display_manager_add_display (GdkDisplayManager *manager,
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GdkDisplay *display)
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{
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GdkX11DisplayManager *manager_x11 = GDK_X11_DISPLAY_MANAGER (manager);
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manager_x11->displays = g_slist_prepend (manager_x11->displays, display);
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}
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void
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_gdk_x11_display_manager_remove_display (GdkDisplayManager *manager,
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GdkDisplay *display)
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{
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GdkX11DisplayManager *manager_x11 = GDK_X11_DISPLAY_MANAGER (manager);
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manager_x11->displays = g_slist_remove (manager_x11->displays, display);
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if (manager_x11->default_display == display)
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{
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if (manager_x11->displays)
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gdk_display_manager_set_default_display (manager, manager_x11->displays->data);
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else
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gdk_display_manager_set_default_display (manager, NULL);
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}
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}
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