forked from AuroraMiddleware/gtk
2968 lines
80 KiB
C
2968 lines
80 KiB
C
/* GDK - The GIMP Drawing Kit
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* gdkdisplay-x11.c
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*
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* Copyright 2001 Sun Microsystems Inc.
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* Copyright (C) 2004 Nokia Corporation
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*
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* Erwann Chenede <erwann.chenede@sun.com>
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gdkdisplay-x11.h"
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#include "gdkx.h"
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#include "gdkasync.h"
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#include "gdkdisplay.h"
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#include "gdkeventsource.h"
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#include "gdkeventtranslator.h"
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#include "gdkinternals.h"
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#include "gdkscreen.h"
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#include "gdkscreen-x11.h"
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#include "gdkinternals.h"
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#include "gdkdeviceprivate.h"
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#include "gdkdevicemanager.h"
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#include "xsettings-client.h"
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#include <glib.h>
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#include <glib/gprintf.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <X11/Xatom.h>
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#ifdef HAVE_XKB
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#include <X11/XKBlib.h>
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#endif
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#ifdef HAVE_XFIXES
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#include <X11/extensions/Xfixes.h>
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#endif
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#include <X11/extensions/shape.h>
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#ifdef HAVE_XCOMPOSITE
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#include <X11/extensions/Xcomposite.h>
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#endif
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#ifdef HAVE_XDAMAGE
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#include <X11/extensions/Xdamage.h>
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#endif
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#ifdef HAVE_RANDR
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#include <X11/extensions/Xrandr.h>
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#endif
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typedef struct _GdkErrorTrap GdkErrorTrap;
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struct _GdkErrorTrap
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{
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/* Next sequence when trap was pushed, i.e. first sequence to
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* ignore
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*/
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gulong start_sequence;
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/* Next sequence when trap was popped, i.e. first sequence
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* to not ignore. 0 if trap is still active.
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*/
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gulong end_sequence;
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/* Most recent error code within the sequence */
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int error_code;
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};
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static void gdk_display_x11_dispose (GObject *object);
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static void gdk_display_x11_finalize (GObject *object);
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static void gdk_display_x11_event_translator_init (GdkEventTranslatorIface *iface);
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static gboolean gdk_display_x11_translate_event (GdkEventTranslator *translator,
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GdkDisplay *display,
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GdkEvent *event,
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XEvent *xevent);
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#ifdef HAVE_X11R6
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static void gdk_internal_connection_watch (Display *display,
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XPointer arg,
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gint fd,
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gboolean opening,
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XPointer *watch_data);
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#endif /* HAVE_X11R6 */
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typedef struct _GdkEventTypeX11 GdkEventTypeX11;
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struct _GdkEventTypeX11
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{
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gint base;
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gint n_events;
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};
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/* Note that we never *directly* use WM_LOCALE_NAME, WM_PROTOCOLS,
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* but including them here has the side-effect of getting them
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* into the internal Xlib cache
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*/
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static const char *const precache_atoms[] = {
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"UTF8_STRING",
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"WM_CLIENT_LEADER",
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"WM_DELETE_WINDOW",
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"WM_ICON_NAME",
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"WM_LOCALE_NAME",
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"WM_NAME",
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"WM_PROTOCOLS",
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"WM_TAKE_FOCUS",
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"WM_WINDOW_ROLE",
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"_NET_ACTIVE_WINDOW",
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"_NET_CURRENT_DESKTOP",
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"_NET_FRAME_EXTENTS",
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"_NET_STARTUP_ID",
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"_NET_WM_CM_S0",
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"_NET_WM_DESKTOP",
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"_NET_WM_ICON",
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"_NET_WM_ICON_NAME",
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"_NET_WM_NAME",
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"_NET_WM_PID",
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"_NET_WM_PING",
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"_NET_WM_STATE",
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"_NET_WM_STATE_ABOVE",
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"_NET_WM_STATE_BELOW",
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"_NET_WM_STATE_FULLSCREEN",
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"_NET_WM_STATE_MODAL",
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"_NET_WM_STATE_MAXIMIZED_VERT",
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"_NET_WM_STATE_MAXIMIZED_HORZ",
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"_NET_WM_STATE_SKIP_TASKBAR",
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"_NET_WM_STATE_SKIP_PAGER",
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"_NET_WM_STATE_STICKY",
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"_NET_WM_SYNC_REQUEST",
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"_NET_WM_SYNC_REQUEST_COUNTER",
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"_NET_WM_WINDOW_TYPE",
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"_NET_WM_WINDOW_TYPE_NORMAL",
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"_NET_WM_USER_TIME",
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"_NET_VIRTUAL_ROOTS"
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};
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G_DEFINE_TYPE_WITH_CODE (GdkDisplayX11, _gdk_display_x11, GDK_TYPE_DISPLAY,
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G_IMPLEMENT_INTERFACE (GDK_TYPE_EVENT_TRANSLATOR,
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gdk_display_x11_event_translator_init))
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static void
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_gdk_display_x11_class_init (GdkDisplayX11Class * class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->dispose = gdk_display_x11_dispose;
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object_class->finalize = gdk_display_x11_finalize;
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}
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static void
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_gdk_display_x11_init (GdkDisplayX11 *display)
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{
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}
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static void
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gdk_display_x11_event_translator_init (GdkEventTranslatorIface *iface)
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{
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iface->translate_event = gdk_display_x11_translate_event;
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}
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static void
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do_net_wm_state_changes (GdkWindow *window)
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{
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GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
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GdkWindowState old_state;
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if (GDK_WINDOW_DESTROYED (window) ||
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gdk_window_get_window_type (window) != GDK_WINDOW_TOPLEVEL)
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return;
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old_state = gdk_window_get_state (window);
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/* For found_sticky to remain TRUE, we have to also be on desktop
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* 0xFFFFFFFF
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*/
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if (old_state & GDK_WINDOW_STATE_STICKY)
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{
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if (!(toplevel->have_sticky && toplevel->on_all_desktops))
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gdk_synthesize_window_state (window,
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GDK_WINDOW_STATE_STICKY,
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0);
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}
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else
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{
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if (toplevel->have_sticky || toplevel->on_all_desktops)
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gdk_synthesize_window_state (window,
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0,
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GDK_WINDOW_STATE_STICKY);
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}
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if (old_state & GDK_WINDOW_STATE_FULLSCREEN)
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{
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if (!toplevel->have_fullscreen)
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gdk_synthesize_window_state (window,
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GDK_WINDOW_STATE_FULLSCREEN,
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0);
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}
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else
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{
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if (toplevel->have_fullscreen)
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gdk_synthesize_window_state (window,
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0,
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GDK_WINDOW_STATE_FULLSCREEN);
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}
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/* Our "maximized" means both vertical and horizontal; if only one,
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* we don't expose that via GDK
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*/
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if (old_state & GDK_WINDOW_STATE_MAXIMIZED)
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{
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if (!(toplevel->have_maxvert && toplevel->have_maxhorz))
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gdk_synthesize_window_state (window,
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GDK_WINDOW_STATE_MAXIMIZED,
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0);
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}
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else
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{
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if (toplevel->have_maxvert && toplevel->have_maxhorz)
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gdk_synthesize_window_state (window,
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0,
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GDK_WINDOW_STATE_MAXIMIZED);
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}
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}
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static void
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gdk_check_wm_desktop_changed (GdkWindow *window)
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{
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GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
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GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
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Atom type;
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gint format;
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gulong nitems;
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gulong bytes_after;
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guchar *data;
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gulong *desktop;
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type = None;
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gdk_error_trap_push ();
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XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
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GDK_WINDOW_XID (window),
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gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"),
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0, G_MAXLONG, False, XA_CARDINAL, &type,
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&format, &nitems,
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&bytes_after, &data);
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gdk_error_trap_pop_ignored ();
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if (type != None)
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{
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desktop = (gulong *)data;
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toplevel->on_all_desktops = (*desktop == 0xFFFFFFFF);
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XFree (desktop);
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}
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else
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toplevel->on_all_desktops = FALSE;
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do_net_wm_state_changes (window);
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}
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static void
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gdk_check_wm_state_changed (GdkWindow *window)
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{
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GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
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GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
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Atom type;
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gint format;
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gulong nitems;
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gulong bytes_after;
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guchar *data;
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Atom *atoms = NULL;
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gulong i;
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gboolean had_sticky = toplevel->have_sticky;
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toplevel->have_sticky = FALSE;
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toplevel->have_maxvert = FALSE;
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toplevel->have_maxhorz = FALSE;
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toplevel->have_fullscreen = FALSE;
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type = None;
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gdk_error_trap_push ();
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XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
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gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
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0, G_MAXLONG, False, XA_ATOM, &type, &format, &nitems,
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&bytes_after, &data);
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gdk_error_trap_pop_ignored ();
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if (type != None)
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{
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Atom sticky_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_STICKY");
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Atom maxvert_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_VERT");
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Atom maxhorz_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_MAXIMIZED_HORZ");
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Atom fullscreen_atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE_FULLSCREEN");
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atoms = (Atom *)data;
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i = 0;
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while (i < nitems)
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{
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if (atoms[i] == sticky_atom)
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toplevel->have_sticky = TRUE;
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else if (atoms[i] == maxvert_atom)
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toplevel->have_maxvert = TRUE;
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else if (atoms[i] == maxhorz_atom)
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toplevel->have_maxhorz = TRUE;
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else if (atoms[i] == fullscreen_atom)
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toplevel->have_fullscreen = TRUE;
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++i;
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}
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XFree (atoms);
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}
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/* When have_sticky is turned on, we have to check the DESKTOP property
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* as well.
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*/
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if (toplevel->have_sticky && !had_sticky)
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gdk_check_wm_desktop_changed (window);
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else
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do_net_wm_state_changes (window);
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}
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static GdkWindow *
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get_event_window (GdkEventTranslator *translator,
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XEvent *xevent)
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{
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GdkDisplay *display;
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Window xwindow;
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display = (GdkDisplay *) translator;
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switch (xevent->type)
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{
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case DestroyNotify:
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xwindow = xevent->xdestroywindow.window;
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break;
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case UnmapNotify:
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xwindow = xevent->xunmap.window;
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break;
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case MapNotify:
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xwindow = xevent->xmap.window;
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break;
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case ConfigureNotify:
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xwindow = xevent->xconfigure.window;
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break;
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default:
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xwindow = xevent->xany.window;
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}
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return gdk_window_lookup_for_display (display, xwindow);
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}
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static gboolean
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gdk_display_x11_translate_event (GdkEventTranslator *translator,
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GdkDisplay *display,
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GdkEvent *event,
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XEvent *xevent)
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{
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GdkWindow *window;
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GdkWindowImplX11 *window_impl = NULL;
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GdkScreen *screen = NULL;
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GdkScreenX11 *screen_x11 = NULL;
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GdkToplevelX11 *toplevel = NULL;
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GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
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gboolean return_val;
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Window xwindow = None;
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/* Find the GdkWindow that this event relates to.
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* Basically this means substructure events
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* are reported same as structure events
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*/
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window = get_event_window (translator, xevent);
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if (window)
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{
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/* We may receive events such as NoExpose/GraphicsExpose
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* and ShmCompletion for pixmaps
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*/
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if (!GDK_IS_WINDOW (window))
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return FALSE;
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screen = GDK_WINDOW_SCREEN (window);
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screen_x11 = GDK_SCREEN_X11 (screen);
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toplevel = _gdk_x11_window_get_toplevel (window);
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window_impl = GDK_WINDOW_IMPL_X11 (window->impl);
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xwindow = GDK_WINDOW_XID (window);
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g_object_ref (window);
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}
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event->any.window = window;
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event->any.send_event = xevent->xany.send_event ? TRUE : FALSE;
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if (window && GDK_WINDOW_DESTROYED (window))
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{
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if (xevent->type != DestroyNotify)
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{
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return_val = FALSE;
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goto done;
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}
|
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}
|
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|
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if (xevent->type == DestroyNotify)
|
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{
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int i, n;
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n = gdk_display_get_n_screens (display);
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for (i = 0; i < n; i++)
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{
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screen = gdk_display_get_screen (display, i);
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screen_x11 = GDK_SCREEN_X11 (screen);
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|
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if (screen_x11->wmspec_check_window == xwindow)
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{
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screen_x11->wmspec_check_window = None;
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screen_x11->last_wmspec_check_time = 0;
|
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g_free (screen_x11->window_manager_name);
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screen_x11->window_manager_name = g_strdup ("unknown");
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|
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/* careful, reentrancy */
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_gdk_x11_screen_window_manager_changed (screen);
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|
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return_val = FALSE;
|
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goto done;
|
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}
|
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}
|
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}
|
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|
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/* We do a "manual" conversion of the XEvent to a
|
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* GdkEvent. The structures are mostly the same so
|
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* the conversion is fairly straightforward. We also
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* optionally print debugging info regarding events
|
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* received.
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*/
|
|
|
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return_val = TRUE;
|
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|
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switch (xevent->type)
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{
|
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case KeymapNotify:
|
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GDK_NOTE (EVENTS,
|
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g_message ("keymap notify"));
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|
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/* Not currently handled */
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return_val = FALSE;
|
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break;
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|
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case Expose:
|
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GDK_NOTE (EVENTS,
|
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g_message ("expose:\t\twindow: %ld %d x,y: %d %d w,h: %d %d%s",
|
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xevent->xexpose.window, xevent->xexpose.count,
|
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xevent->xexpose.x, xevent->xexpose.y,
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xevent->xexpose.width, xevent->xexpose.height,
|
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event->any.send_event ? " (send)" : ""));
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|
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if (window == NULL)
|
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{
|
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return_val = FALSE;
|
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break;
|
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}
|
|
|
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{
|
|
GdkRectangle expose_rect;
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|
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expose_rect.x = xevent->xexpose.x;
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expose_rect.y = xevent->xexpose.y;
|
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expose_rect.width = xevent->xexpose.width;
|
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expose_rect.height = xevent->xexpose.height;
|
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|
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_gdk_window_process_expose (window, xevent->xexpose.serial, &expose_rect);
|
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return_val = FALSE;
|
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}
|
|
|
|
break;
|
|
|
|
case GraphicsExpose:
|
|
{
|
|
GdkRectangle expose_rect;
|
|
|
|
GDK_NOTE (EVENTS,
|
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g_message ("graphics expose:\tdrawable: %ld",
|
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xevent->xgraphicsexpose.drawable));
|
|
|
|
if (window == NULL)
|
|
{
|
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return_val = FALSE;
|
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break;
|
|
}
|
|
|
|
expose_rect.x = xevent->xgraphicsexpose.x;
|
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expose_rect.y = xevent->xgraphicsexpose.y;
|
|
expose_rect.width = xevent->xgraphicsexpose.width;
|
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expose_rect.height = xevent->xgraphicsexpose.height;
|
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|
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_gdk_window_process_expose (window, xevent->xgraphicsexpose.serial, &expose_rect);
|
|
return_val = FALSE;
|
|
}
|
|
break;
|
|
|
|
case VisibilityNotify:
|
|
#ifdef G_ENABLE_DEBUG
|
|
if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
|
|
switch (xevent->xvisibility.state)
|
|
{
|
|
case VisibilityFullyObscured:
|
|
g_message ("visibility notify:\twindow: %ld none",
|
|
xevent->xvisibility.window);
|
|
break;
|
|
case VisibilityPartiallyObscured:
|
|
g_message ("visibility notify:\twindow: %ld partial",
|
|
xevent->xvisibility.window);
|
|
break;
|
|
case VisibilityUnobscured:
|
|
g_message ("visibility notify:\twindow: %ld full",
|
|
xevent->xvisibility.window);
|
|
break;
|
|
}
|
|
#endif /* G_ENABLE_DEBUG */
|
|
|
|
if (window == NULL)
|
|
{
|
|
return_val = FALSE;
|
|
break;
|
|
}
|
|
|
|
event->visibility.type = GDK_VISIBILITY_NOTIFY;
|
|
event->visibility.window = window;
|
|
|
|
switch (xevent->xvisibility.state)
|
|
{
|
|
case VisibilityFullyObscured:
|
|
event->visibility.state = GDK_VISIBILITY_FULLY_OBSCURED;
|
|
break;
|
|
|
|
case VisibilityPartiallyObscured:
|
|
event->visibility.state = GDK_VISIBILITY_PARTIAL;
|
|
break;
|
|
|
|
case VisibilityUnobscured:
|
|
event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
case CreateNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("create notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d parent: %ld ovr: %d",
|
|
xevent->xcreatewindow.window,
|
|
xevent->xcreatewindow.x,
|
|
xevent->xcreatewindow.y,
|
|
xevent->xcreatewindow.width,
|
|
xevent->xcreatewindow.height,
|
|
xevent->xcreatewindow.border_width,
|
|
xevent->xcreatewindow.parent,
|
|
xevent->xcreatewindow.override_redirect));
|
|
/* not really handled */
|
|
break;
|
|
|
|
case DestroyNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("destroy notify:\twindow: %ld",
|
|
xevent->xdestroywindow.window));
|
|
|
|
/* Ignore DestroyNotify from SubstructureNotifyMask */
|
|
if (xevent->xdestroywindow.window == xevent->xdestroywindow.event)
|
|
{
|
|
event->any.type = GDK_DESTROY;
|
|
event->any.window = window;
|
|
|
|
return_val = window && !GDK_WINDOW_DESTROYED (window);
|
|
|
|
if (window && GDK_WINDOW_XID (window) != screen_x11->xroot_window)
|
|
gdk_window_destroy_notify (window);
|
|
}
|
|
else
|
|
return_val = FALSE;
|
|
|
|
break;
|
|
|
|
case UnmapNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("unmap notify:\t\twindow: %ld",
|
|
xevent->xmap.window));
|
|
|
|
event->any.type = GDK_UNMAP;
|
|
event->any.window = window;
|
|
|
|
/* If we are shown (not withdrawn) and get an unmap, it means we
|
|
* were iconified in the X sense. If we are withdrawn, and get
|
|
* an unmap, it means we hid the window ourselves, so we
|
|
* will have already flipped the iconified bit off.
|
|
*/
|
|
if (window)
|
|
{
|
|
if (GDK_WINDOW_IS_MAPPED (window))
|
|
gdk_synthesize_window_state (window,
|
|
0,
|
|
GDK_WINDOW_STATE_ICONIFIED);
|
|
|
|
_gdk_xgrab_check_unmap (window, xevent->xany.serial);
|
|
}
|
|
|
|
break;
|
|
|
|
case MapNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("map notify:\t\twindow: %ld",
|
|
xevent->xmap.window));
|
|
|
|
event->any.type = GDK_MAP;
|
|
event->any.window = window;
|
|
|
|
/* Unset iconified if it was set */
|
|
if (window && (window->state & GDK_WINDOW_STATE_ICONIFIED))
|
|
gdk_synthesize_window_state (window,
|
|
GDK_WINDOW_STATE_ICONIFIED,
|
|
0);
|
|
|
|
break;
|
|
|
|
case ReparentNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("reparent notify:\twindow: %ld x,y: %d %d parent: %ld ovr: %d",
|
|
xevent->xreparent.window,
|
|
xevent->xreparent.x,
|
|
xevent->xreparent.y,
|
|
xevent->xreparent.parent,
|
|
xevent->xreparent.override_redirect));
|
|
|
|
/* Not currently handled */
|
|
return_val = FALSE;
|
|
break;
|
|
|
|
case ConfigureNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("configure notify:\twindow: %ld x,y: %d %d w,h: %d %d b-w: %d above: %ld ovr: %d%s",
|
|
xevent->xconfigure.window,
|
|
xevent->xconfigure.x,
|
|
xevent->xconfigure.y,
|
|
xevent->xconfigure.width,
|
|
xevent->xconfigure.height,
|
|
xevent->xconfigure.border_width,
|
|
xevent->xconfigure.above,
|
|
xevent->xconfigure.override_redirect,
|
|
!window
|
|
? " (discarding)"
|
|
: window->window_type == GDK_WINDOW_CHILD
|
|
? " (discarding child)"
|
|
: xevent->xconfigure.event != xevent->xconfigure.window
|
|
? " (discarding substructure)"
|
|
: ""));
|
|
if (window && GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
|
|
{
|
|
window->width = xevent->xconfigure.width;
|
|
window->height = xevent->xconfigure.height;
|
|
|
|
_gdk_window_update_size (window);
|
|
_gdk_x11_window_update_size (GDK_WINDOW_IMPL_X11 (window->impl));
|
|
_gdk_x11_screen_size_changed (screen, xevent);
|
|
}
|
|
|
|
#ifdef HAVE_XSYNC
|
|
if (toplevel && display_x11->use_sync && !XSyncValueIsZero (toplevel->pending_counter_value))
|
|
{
|
|
toplevel->current_counter_value = toplevel->pending_counter_value;
|
|
XSyncIntToValue (&toplevel->pending_counter_value, 0);
|
|
}
|
|
#endif
|
|
|
|
if (!window ||
|
|
xevent->xconfigure.event != xevent->xconfigure.window ||
|
|
GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
|
|
GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
|
|
return_val = FALSE;
|
|
else
|
|
{
|
|
event->configure.type = GDK_CONFIGURE;
|
|
event->configure.window = window;
|
|
event->configure.width = xevent->xconfigure.width;
|
|
event->configure.height = xevent->xconfigure.height;
|
|
|
|
if (!xevent->xconfigure.send_event &&
|
|
!xevent->xconfigure.override_redirect &&
|
|
!GDK_WINDOW_DESTROYED (window))
|
|
{
|
|
gint tx = 0;
|
|
gint ty = 0;
|
|
Window child_window = 0;
|
|
|
|
gdk_error_trap_push ();
|
|
if (XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
|
|
GDK_WINDOW_XID (window),
|
|
screen_x11->xroot_window,
|
|
0, 0,
|
|
&tx, &ty,
|
|
&child_window))
|
|
{
|
|
event->configure.x = tx;
|
|
event->configure.y = ty;
|
|
}
|
|
gdk_error_trap_pop_ignored ();
|
|
}
|
|
else
|
|
{
|
|
event->configure.x = xevent->xconfigure.x;
|
|
event->configure.y = xevent->xconfigure.y;
|
|
}
|
|
window->x = event->configure.x;
|
|
window->y = event->configure.y;
|
|
window->width = xevent->xconfigure.width;
|
|
window->height = xevent->xconfigure.height;
|
|
|
|
_gdk_window_update_size (window);
|
|
_gdk_x11_window_update_size (GDK_WINDOW_IMPL_X11 (window->impl));
|
|
|
|
if (window->resize_count >= 1)
|
|
{
|
|
window->resize_count -= 1;
|
|
|
|
if (window->resize_count == 0)
|
|
_gdk_moveresize_configure_done (display, window);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PropertyNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("property notify:\twindow: %ld, atom(%ld): %s%s%s",
|
|
xevent->xproperty.window,
|
|
xevent->xproperty.atom,
|
|
"\"",
|
|
gdk_x11_get_xatom_name_for_display (display, xevent->xproperty.atom),
|
|
"\""));
|
|
|
|
if (window == NULL)
|
|
{
|
|
return_val = FALSE;
|
|
break;
|
|
}
|
|
|
|
/* We compare with the serial of the last time we mapped the
|
|
* window to avoid refetching properties that we set ourselves
|
|
*/
|
|
if (toplevel &&
|
|
xevent->xproperty.serial >= toplevel->map_serial)
|
|
{
|
|
if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"))
|
|
gdk_check_wm_state_changed (window);
|
|
|
|
if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"))
|
|
gdk_check_wm_desktop_changed (window);
|
|
}
|
|
|
|
if (window->event_mask & GDK_PROPERTY_CHANGE_MASK)
|
|
{
|
|
event->property.type = GDK_PROPERTY_NOTIFY;
|
|
event->property.window = window;
|
|
event->property.atom = gdk_x11_xatom_to_atom_for_display (display, xevent->xproperty.atom);
|
|
event->property.time = xevent->xproperty.time;
|
|
event->property.state = xevent->xproperty.state;
|
|
}
|
|
else
|
|
return_val = FALSE;
|
|
|
|
break;
|
|
|
|
case SelectionClear:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("selection clear:\twindow: %ld",
|
|
xevent->xproperty.window));
|
|
|
|
if (_gdk_selection_filter_clear_event (&xevent->xselectionclear))
|
|
{
|
|
event->selection.type = GDK_SELECTION_CLEAR;
|
|
event->selection.window = window;
|
|
event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionclear.selection);
|
|
event->selection.time = xevent->xselectionclear.time;
|
|
}
|
|
else
|
|
return_val = FALSE;
|
|
|
|
break;
|
|
|
|
case SelectionRequest:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("selection request:\twindow: %ld",
|
|
xevent->xproperty.window));
|
|
|
|
event->selection.type = GDK_SELECTION_REQUEST;
|
|
event->selection.window = window;
|
|
event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.selection);
|
|
event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.target);
|
|
event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselectionrequest.property);
|
|
event->selection.requestor = xevent->xselectionrequest.requestor;
|
|
event->selection.time = xevent->xselectionrequest.time;
|
|
|
|
break;
|
|
|
|
case SelectionNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("selection notify:\twindow: %ld",
|
|
xevent->xproperty.window));
|
|
|
|
event->selection.type = GDK_SELECTION_NOTIFY;
|
|
event->selection.window = window;
|
|
event->selection.selection = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.selection);
|
|
event->selection.target = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.target);
|
|
if (xevent->xselection.property == None)
|
|
event->selection.property = GDK_NONE;
|
|
else
|
|
event->selection.property = gdk_x11_xatom_to_atom_for_display (display, xevent->xselection.property);
|
|
event->selection.time = xevent->xselection.time;
|
|
|
|
break;
|
|
|
|
case ColormapNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("colormap notify:\twindow: %ld",
|
|
xevent->xcolormap.window));
|
|
|
|
/* Not currently handled */
|
|
return_val = FALSE;
|
|
break;
|
|
|
|
case ClientMessage:
|
|
{
|
|
GList *tmp_list;
|
|
GdkFilterReturn result = GDK_FILTER_CONTINUE;
|
|
GdkAtom message_type = gdk_x11_xatom_to_atom_for_display (display, xevent->xclient.message_type);
|
|
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("client message:\twindow: %ld",
|
|
xevent->xclient.window));
|
|
|
|
tmp_list = display_x11->client_filters;
|
|
while (tmp_list)
|
|
{
|
|
GdkClientFilter *filter = tmp_list->data;
|
|
tmp_list = tmp_list->next;
|
|
|
|
if (filter->type == message_type)
|
|
{
|
|
result = (*filter->function) (xevent, event, filter->data);
|
|
if (result != GDK_FILTER_CONTINUE)
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (result)
|
|
{
|
|
case GDK_FILTER_REMOVE:
|
|
return_val = FALSE;
|
|
break;
|
|
case GDK_FILTER_TRANSLATE:
|
|
return_val = TRUE;
|
|
break;
|
|
case GDK_FILTER_CONTINUE:
|
|
/* Send unknown ClientMessage's on to Gtk for it to use */
|
|
if (window == NULL)
|
|
{
|
|
return_val = FALSE;
|
|
}
|
|
else
|
|
{
|
|
event->client.type = GDK_CLIENT_EVENT;
|
|
event->client.window = window;
|
|
event->client.message_type = message_type;
|
|
event->client.data_format = xevent->xclient.format;
|
|
memcpy(&event->client.data, &xevent->xclient.data,
|
|
sizeof(event->client.data));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case MappingNotify:
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("mapping notify"));
|
|
|
|
/* Let XLib know that there is a new keyboard mapping.
|
|
*/
|
|
XRefreshKeyboardMapping (&xevent->xmapping);
|
|
_gdk_keymap_keys_changed (display);
|
|
return_val = FALSE;
|
|
break;
|
|
|
|
default:
|
|
#ifdef HAVE_XFIXES
|
|
if (xevent->type - display_x11->xfixes_event_base == XFixesSelectionNotify)
|
|
{
|
|
XFixesSelectionNotifyEvent *selection_notify = (XFixesSelectionNotifyEvent *)xevent;
|
|
|
|
_gdk_x11_screen_process_owner_change (screen, xevent);
|
|
|
|
event->owner_change.type = GDK_OWNER_CHANGE;
|
|
event->owner_change.window = window;
|
|
event->owner_change.owner = selection_notify->owner;
|
|
event->owner_change.reason = selection_notify->subtype;
|
|
event->owner_change.selection =
|
|
gdk_x11_xatom_to_atom_for_display (display,
|
|
selection_notify->selection);
|
|
event->owner_change.time = selection_notify->timestamp;
|
|
event->owner_change.selection_time = selection_notify->selection_timestamp;
|
|
|
|
return_val = TRUE;
|
|
}
|
|
else
|
|
#endif
|
|
#ifdef HAVE_RANDR
|
|
if (xevent->type - display_x11->xrandr_event_base == RRScreenChangeNotify ||
|
|
xevent->type - display_x11->xrandr_event_base == RRNotify)
|
|
{
|
|
if (screen)
|
|
_gdk_x11_screen_size_changed (screen, xevent);
|
|
}
|
|
else
|
|
#endif
|
|
#if defined(HAVE_XCOMPOSITE) && defined (HAVE_XDAMAGE) && defined (HAVE_XFIXES)
|
|
if (display_x11->have_xdamage && window && window->composited &&
|
|
xevent->type == display_x11->xdamage_event_base + XDamageNotify &&
|
|
((XDamageNotifyEvent *) xevent)->damage == window_impl->damage)
|
|
{
|
|
XDamageNotifyEvent *damage_event = (XDamageNotifyEvent *) xevent;
|
|
XserverRegion repair;
|
|
GdkRectangle rect;
|
|
|
|
rect.x = window->x + damage_event->area.x;
|
|
rect.y = window->y + damage_event->area.y;
|
|
rect.width = damage_event->area.width;
|
|
rect.height = damage_event->area.height;
|
|
|
|
repair = XFixesCreateRegion (display_x11->xdisplay,
|
|
&damage_event->area, 1);
|
|
XDamageSubtract (display_x11->xdisplay,
|
|
window_impl->damage,
|
|
repair, None);
|
|
XFixesDestroyRegion (display_x11->xdisplay, repair);
|
|
|
|
if (window->parent != NULL)
|
|
_gdk_window_process_expose (window->parent,
|
|
damage_event->serial, &rect);
|
|
|
|
return_val = TRUE;
|
|
}
|
|
else
|
|
#endif
|
|
#ifdef HAVE_XKB
|
|
if (xevent->type == display_x11->xkb_event_type)
|
|
{
|
|
XkbEvent *xkb_event = (XkbEvent *) xevent;
|
|
|
|
switch (xkb_event->any.xkb_type)
|
|
{
|
|
case XkbNewKeyboardNotify:
|
|
case XkbMapNotify:
|
|
_gdk_keymap_keys_changed (display);
|
|
|
|
return_val = FALSE;
|
|
break;
|
|
|
|
case XkbStateNotify:
|
|
_gdk_keymap_state_changed (display, xevent);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
return_val = FALSE;
|
|
}
|
|
|
|
done:
|
|
if (return_val)
|
|
{
|
|
if (event->any.window)
|
|
g_object_ref (event->any.window);
|
|
}
|
|
else
|
|
{
|
|
/* Mark this event as having no resources to be freed */
|
|
event->any.window = NULL;
|
|
event->any.type = GDK_NOTHING;
|
|
}
|
|
|
|
if (window)
|
|
g_object_unref (window);
|
|
|
|
return return_val;
|
|
}
|
|
|
|
static GdkFilterReturn
|
|
gdk_wm_protocols_filter (GdkXEvent *xev,
|
|
GdkEvent *event,
|
|
gpointer data)
|
|
{
|
|
XEvent *xevent = (XEvent *)xev;
|
|
GdkWindow *win = event->any.window;
|
|
GdkDisplay *display;
|
|
Atom atom;
|
|
|
|
if (!win)
|
|
return GDK_FILTER_REMOVE;
|
|
|
|
display = GDK_WINDOW_DISPLAY (win);
|
|
atom = (Atom)xevent->xclient.data.l[0];
|
|
|
|
if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
|
|
{
|
|
/* The delete window request specifies a window
|
|
* to delete. We don't actually destroy the
|
|
* window because "it is only a request". (The
|
|
* window might contain vital data that the
|
|
* program does not want destroyed). Instead
|
|
* the event is passed along to the program,
|
|
* which should then destroy the window.
|
|
*/
|
|
GDK_NOTE (EVENTS,
|
|
g_message ("delete window:\t\twindow: %ld",
|
|
xevent->xclient.window));
|
|
|
|
event->any.type = GDK_DELETE;
|
|
|
|
gdk_x11_window_set_user_time (win, xevent->xclient.data.l[1]);
|
|
|
|
return GDK_FILTER_TRANSLATE;
|
|
}
|
|
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS"))
|
|
{
|
|
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
|
|
|
|
/* There is no way of knowing reliably whether we are viewable;
|
|
* _gdk_x11_set_input_focus_safe() traps errors asynchronously.
|
|
*/
|
|
if (toplevel && win->accept_focus)
|
|
_gdk_x11_set_input_focus_safe (display, toplevel->focus_window,
|
|
RevertToParent,
|
|
xevent->xclient.data.l[1]);
|
|
|
|
return GDK_FILTER_REMOVE;
|
|
}
|
|
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING") &&
|
|
!_gdk_x11_display_is_root_window (display,
|
|
xevent->xclient.window))
|
|
{
|
|
XClientMessageEvent xclient = xevent->xclient;
|
|
|
|
xclient.window = GDK_WINDOW_XROOTWIN (win);
|
|
XSendEvent (GDK_WINDOW_XDISPLAY (win),
|
|
xclient.window,
|
|
False,
|
|
SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&xclient);
|
|
|
|
return GDK_FILTER_REMOVE;
|
|
}
|
|
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_SYNC_REQUEST") &&
|
|
GDK_DISPLAY_X11 (display)->use_sync)
|
|
{
|
|
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (event->any.window);
|
|
if (toplevel)
|
|
{
|
|
#ifdef HAVE_XSYNC
|
|
XSyncIntsToValue (&toplevel->pending_counter_value,
|
|
xevent->xclient.data.l[2],
|
|
xevent->xclient.data.l[3]);
|
|
#endif
|
|
}
|
|
return GDK_FILTER_REMOVE;
|
|
}
|
|
|
|
return GDK_FILTER_CONTINUE;
|
|
}
|
|
|
|
static void
|
|
_gdk_event_init (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GdkDeviceManager *device_manager;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
display_x11->event_source = gdk_event_source_new (display);
|
|
|
|
gdk_event_source_add_translator ((GdkEventSource *) display_x11->event_source,
|
|
GDK_EVENT_TRANSLATOR (display));
|
|
|
|
device_manager = gdk_display_get_device_manager (display);
|
|
gdk_event_source_add_translator ((GdkEventSource *) display_x11->event_source,
|
|
GDK_EVENT_TRANSLATOR (device_manager));
|
|
|
|
gdk_display_add_client_message_filter (display,
|
|
gdk_atom_intern_static_string ("WM_PROTOCOLS"),
|
|
gdk_wm_protocols_filter,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
_gdk_input_init (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GdkDeviceManager *device_manager;
|
|
GdkDevice *device;
|
|
GList *list, *l;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
device_manager = gdk_display_get_device_manager (display);
|
|
|
|
/* For backwards compatibility, just add
|
|
* floating devices that are not keyboards.
|
|
*/
|
|
list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
|
|
|
|
for (l = list; l; l = l->next)
|
|
{
|
|
device = l->data;
|
|
|
|
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
|
|
continue;
|
|
|
|
display_x11->input_devices = g_list_prepend (display_x11->input_devices,
|
|
g_object_ref (l->data));
|
|
}
|
|
|
|
g_list_free (list);
|
|
|
|
/* Now set "core" pointer to the first
|
|
* master device that is a pointer.
|
|
*/
|
|
list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
|
|
|
|
for (l = list; l; l = l->next)
|
|
{
|
|
device = list->data;
|
|
|
|
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
|
|
continue;
|
|
|
|
display->core_pointer = device;
|
|
break;
|
|
}
|
|
|
|
/* Add the core pointer to the devices list */
|
|
display_x11->input_devices = g_list_prepend (display_x11->input_devices,
|
|
g_object_ref (display->core_pointer));
|
|
|
|
g_list_free (list);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_open:
|
|
* @display_name: the name of the display to open
|
|
*
|
|
* Opens a display.
|
|
*
|
|
* Return value: (transfer none): a #GdkDisplay, or %NULL if the display
|
|
* could not be opened.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
GdkDisplay *
|
|
gdk_display_open (const gchar *display_name)
|
|
{
|
|
Display *xdisplay;
|
|
GdkDisplay *display;
|
|
GdkDisplayX11 *display_x11;
|
|
GdkWindowAttr attr;
|
|
gint argc;
|
|
gchar *argv[1];
|
|
const char *sm_client_id;
|
|
|
|
XClassHint *class_hint;
|
|
gulong pid;
|
|
gint i;
|
|
gint ignore;
|
|
gint maj, min;
|
|
|
|
xdisplay = XOpenDisplay (display_name);
|
|
if (!xdisplay)
|
|
return NULL;
|
|
|
|
display = g_object_new (GDK_TYPE_DISPLAY_X11, NULL);
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
display_x11->xdisplay = xdisplay;
|
|
|
|
#ifdef HAVE_X11R6
|
|
/* Set up handlers for Xlib internal connections */
|
|
XAddConnectionWatch (xdisplay, gdk_internal_connection_watch, NULL);
|
|
#endif /* HAVE_X11R6 */
|
|
|
|
_gdk_x11_precache_atoms (display, precache_atoms, G_N_ELEMENTS (precache_atoms));
|
|
|
|
/* RandR must be initialized before we initialize the screens */
|
|
display_x11->have_randr13 = FALSE;
|
|
#ifdef HAVE_RANDR
|
|
if (XRRQueryExtension (display_x11->xdisplay,
|
|
&display_x11->xrandr_event_base, &ignore))
|
|
{
|
|
int major, minor;
|
|
|
|
XRRQueryVersion (display_x11->xdisplay, &major, &minor);
|
|
|
|
if ((major == 1 && minor >= 3) || major > 1)
|
|
display_x11->have_randr13 = TRUE;
|
|
|
|
gdk_x11_register_standard_event_type (display, display_x11->xrandr_event_base, RRNumberEvents);
|
|
}
|
|
#endif
|
|
|
|
/* initialize the display's screens */
|
|
display_x11->screens = g_new (GdkScreen *, ScreenCount (display_x11->xdisplay));
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
display_x11->screens[i] = _gdk_x11_screen_new (display, i);
|
|
|
|
/* We need to initialize events after we have the screen
|
|
* structures in places
|
|
*/
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
_gdk_screen_x11_events_init (display_x11->screens[i]);
|
|
|
|
/*set the default screen */
|
|
display_x11->default_screen = display_x11->screens[DefaultScreen (display_x11->xdisplay)];
|
|
|
|
display->device_manager = _gdk_device_manager_new (display);
|
|
|
|
_gdk_event_init (display);
|
|
|
|
attr.window_type = GDK_WINDOW_TOPLEVEL;
|
|
attr.wclass = GDK_INPUT_OUTPUT;
|
|
attr.x = 10;
|
|
attr.y = 10;
|
|
attr.width = 10;
|
|
attr.height = 10;
|
|
attr.event_mask = 0;
|
|
|
|
display_x11->leader_gdk_window = gdk_window_new (GDK_SCREEN_X11 (display_x11->default_screen)->root_window,
|
|
&attr, GDK_WA_X | GDK_WA_Y);
|
|
(_gdk_x11_window_get_toplevel (display_x11->leader_gdk_window))->is_leader = TRUE;
|
|
|
|
display_x11->leader_window = GDK_WINDOW_XID (display_x11->leader_gdk_window);
|
|
|
|
display_x11->leader_window_title_set = FALSE;
|
|
|
|
#ifdef HAVE_XFIXES
|
|
if (XFixesQueryExtension (display_x11->xdisplay,
|
|
&display_x11->xfixes_event_base,
|
|
&ignore))
|
|
{
|
|
display_x11->have_xfixes = TRUE;
|
|
|
|
gdk_x11_register_standard_event_type (display,
|
|
display_x11->xfixes_event_base,
|
|
XFixesNumberEvents);
|
|
}
|
|
else
|
|
#endif
|
|
display_x11->have_xfixes = FALSE;
|
|
|
|
#ifdef HAVE_XCOMPOSITE
|
|
if (XCompositeQueryExtension (display_x11->xdisplay,
|
|
&ignore, &ignore))
|
|
{
|
|
int major, minor;
|
|
|
|
XCompositeQueryVersion (display_x11->xdisplay, &major, &minor);
|
|
|
|
/* Prior to Composite version 0.4, composited windows clipped their
|
|
* parents, so you had to use IncludeInferiors to draw to the parent
|
|
* This isn't useful for our purposes, so require 0.4
|
|
*/
|
|
display_x11->have_xcomposite = major > 0 || (major == 0 && minor >= 4);
|
|
}
|
|
else
|
|
#endif
|
|
display_x11->have_xcomposite = FALSE;
|
|
|
|
#ifdef HAVE_XDAMAGE
|
|
if (XDamageQueryExtension (display_x11->xdisplay,
|
|
&display_x11->xdamage_event_base,
|
|
&ignore))
|
|
{
|
|
display_x11->have_xdamage = TRUE;
|
|
|
|
gdk_x11_register_standard_event_type (display,
|
|
display_x11->xdamage_event_base,
|
|
XDamageNumberEvents);
|
|
}
|
|
else
|
|
#endif
|
|
display_x11->have_xdamage = FALSE;
|
|
|
|
display_x11->have_shapes = FALSE;
|
|
display_x11->have_input_shapes = FALSE;
|
|
|
|
if (XShapeQueryExtension (GDK_DISPLAY_XDISPLAY (display), &display_x11->shape_event_base, &ignore))
|
|
{
|
|
display_x11->have_shapes = TRUE;
|
|
#ifdef ShapeInput
|
|
if (XShapeQueryVersion (GDK_DISPLAY_XDISPLAY (display), &maj, &min))
|
|
display_x11->have_input_shapes = (maj == 1 && min >= 1);
|
|
#endif
|
|
}
|
|
|
|
display_x11->trusted_client = TRUE;
|
|
{
|
|
Window root, child;
|
|
int rootx, rooty, winx, winy;
|
|
unsigned int xmask;
|
|
|
|
gdk_error_trap_push ();
|
|
XQueryPointer (display_x11->xdisplay,
|
|
GDK_SCREEN_X11 (display_x11->default_screen)->xroot_window,
|
|
&root, &child, &rootx, &rooty, &winx, &winy, &xmask);
|
|
if (G_UNLIKELY (gdk_error_trap_pop () == BadWindow))
|
|
{
|
|
g_warning ("Connection to display %s appears to be untrusted. Pointer and keyboard grabs and inter-client communication may not work as expected.", gdk_display_get_name (display));
|
|
display_x11->trusted_client = FALSE;
|
|
}
|
|
}
|
|
|
|
if (_gdk_synchronize)
|
|
XSynchronize (display_x11->xdisplay, True);
|
|
|
|
class_hint = XAllocClassHint();
|
|
class_hint->res_name = g_get_prgname ();
|
|
|
|
class_hint->res_class = (char *)gdk_get_program_class ();
|
|
|
|
/* XmbSetWMProperties sets the RESOURCE_NAME environment variable
|
|
* from argv[0], so we just synthesize an argument array here.
|
|
*/
|
|
argc = 1;
|
|
argv[0] = g_get_prgname ();
|
|
|
|
XmbSetWMProperties (display_x11->xdisplay,
|
|
display_x11->leader_window,
|
|
NULL, NULL, argv, argc, NULL, NULL,
|
|
class_hint);
|
|
XFree (class_hint);
|
|
|
|
sm_client_id = _gdk_get_sm_client_id ();
|
|
if (sm_client_id)
|
|
_gdk_windowing_display_set_sm_client_id (display, sm_client_id);
|
|
|
|
pid = getpid ();
|
|
XChangeProperty (display_x11->xdisplay,
|
|
display_x11->leader_window,
|
|
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PID"),
|
|
XA_CARDINAL, 32, PropModeReplace, (guchar *) & pid, 1);
|
|
|
|
/* We don't yet know a valid time. */
|
|
display_x11->user_time = 0;
|
|
|
|
#ifdef HAVE_XKB
|
|
{
|
|
gint xkb_major = XkbMajorVersion;
|
|
gint xkb_minor = XkbMinorVersion;
|
|
if (XkbLibraryVersion (&xkb_major, &xkb_minor))
|
|
{
|
|
xkb_major = XkbMajorVersion;
|
|
xkb_minor = XkbMinorVersion;
|
|
|
|
if (XkbQueryExtension (display_x11->xdisplay,
|
|
NULL, &display_x11->xkb_event_type, NULL,
|
|
&xkb_major, &xkb_minor))
|
|
{
|
|
Bool detectable_autorepeat_supported;
|
|
|
|
display_x11->use_xkb = TRUE;
|
|
|
|
XkbSelectEvents (display_x11->xdisplay,
|
|
XkbUseCoreKbd,
|
|
XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask,
|
|
XkbNewKeyboardNotifyMask | XkbMapNotifyMask | XkbStateNotifyMask);
|
|
|
|
/* keep this in sync with _gdk_keymap_state_changed() */
|
|
XkbSelectEventDetails (display_x11->xdisplay,
|
|
XkbUseCoreKbd, XkbStateNotify,
|
|
XkbAllStateComponentsMask,
|
|
XkbGroupLockMask|XkbModifierLockMask);
|
|
|
|
XkbSetDetectableAutoRepeat (display_x11->xdisplay,
|
|
True,
|
|
&detectable_autorepeat_supported);
|
|
|
|
GDK_NOTE (MISC, g_message ("Detectable autorepeat %s.",
|
|
detectable_autorepeat_supported ?
|
|
"supported" : "not supported"));
|
|
|
|
display_x11->have_xkb_autorepeat = detectable_autorepeat_supported;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
display_x11->use_sync = FALSE;
|
|
#ifdef HAVE_XSYNC
|
|
{
|
|
int major, minor;
|
|
int error_base, event_base;
|
|
|
|
if (XSyncQueryExtension (display_x11->xdisplay,
|
|
&event_base, &error_base) &&
|
|
XSyncInitialize (display_x11->xdisplay,
|
|
&major, &minor))
|
|
display_x11->use_sync = TRUE;
|
|
}
|
|
#endif
|
|
|
|
_gdk_input_init (display);
|
|
_gdk_dnd_init (display);
|
|
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
_gdk_x11_screen_setup (display_x11->screens[i]);
|
|
|
|
g_signal_emit_by_name (display, "opened");
|
|
g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
|
|
|
|
return display;
|
|
}
|
|
|
|
#ifdef HAVE_X11R6
|
|
/*
|
|
* XLib internal connection handling
|
|
*/
|
|
typedef struct _GdkInternalConnection GdkInternalConnection;
|
|
|
|
struct _GdkInternalConnection
|
|
{
|
|
gint fd;
|
|
GSource *source;
|
|
Display *display;
|
|
};
|
|
|
|
static gboolean
|
|
process_internal_connection (GIOChannel *gioc,
|
|
GIOCondition cond,
|
|
gpointer data)
|
|
{
|
|
GdkInternalConnection *connection = (GdkInternalConnection *)data;
|
|
|
|
GDK_THREADS_ENTER ();
|
|
|
|
XProcessInternalConnection ((Display*)connection->display, connection->fd);
|
|
|
|
GDK_THREADS_LEAVE ();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gulong
|
|
_gdk_windowing_window_get_next_serial (GdkDisplay *display)
|
|
{
|
|
return NextRequest (GDK_DISPLAY_XDISPLAY (display));
|
|
}
|
|
|
|
|
|
static GdkInternalConnection *
|
|
gdk_add_connection_handler (Display *display,
|
|
guint fd)
|
|
{
|
|
GIOChannel *io_channel;
|
|
GdkInternalConnection *connection;
|
|
|
|
connection = g_new (GdkInternalConnection, 1);
|
|
|
|
connection->fd = fd;
|
|
connection->display = display;
|
|
|
|
io_channel = g_io_channel_unix_new (fd);
|
|
|
|
connection->source = g_io_create_watch (io_channel, G_IO_IN);
|
|
g_source_set_callback (connection->source,
|
|
(GSourceFunc)process_internal_connection, connection, NULL);
|
|
g_source_attach (connection->source, NULL);
|
|
|
|
g_io_channel_unref (io_channel);
|
|
|
|
return connection;
|
|
}
|
|
|
|
static void
|
|
gdk_remove_connection_handler (GdkInternalConnection *connection)
|
|
{
|
|
g_source_destroy (connection->source);
|
|
g_free (connection);
|
|
}
|
|
|
|
static void
|
|
gdk_internal_connection_watch (Display *display,
|
|
XPointer arg,
|
|
gint fd,
|
|
gboolean opening,
|
|
XPointer *watch_data)
|
|
{
|
|
if (opening)
|
|
*watch_data = (XPointer)gdk_add_connection_handler (display, fd);
|
|
else
|
|
gdk_remove_connection_handler ((GdkInternalConnection *)*watch_data);
|
|
}
|
|
#endif /* HAVE_X11R6 */
|
|
|
|
/**
|
|
* gdk_display_get_name:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Gets the name of the display.
|
|
*
|
|
* Returns: a string representing the display name. This string is owned
|
|
* by GDK and should not be modified or freed.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
G_CONST_RETURN gchar *
|
|
gdk_display_get_name (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
return (gchar *) DisplayString (GDK_DISPLAY_X11 (display)->xdisplay);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_get_n_screens:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Gets the number of screen managed by the @display.
|
|
*
|
|
* Returns: number of screens.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
gint
|
|
gdk_display_get_n_screens (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
|
|
|
|
return ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_get_screen:
|
|
* @display: a #GdkDisplay
|
|
* @screen_num: the screen number
|
|
*
|
|
* Returns a screen object for one of the screens of the display.
|
|
*
|
|
* Returns: (transfer none): the #GdkScreen object
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
GdkScreen *
|
|
gdk_display_get_screen (GdkDisplay *display,
|
|
gint screen_num)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
g_return_val_if_fail (ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay) > screen_num, NULL);
|
|
|
|
return GDK_DISPLAY_X11 (display)->screens[screen_num];
|
|
}
|
|
|
|
/**
|
|
* gdk_display_get_default_screen:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Get the default #GdkScreen for @display.
|
|
*
|
|
* Returns: (transfer none): the default #GdkScreen object for @display
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
GdkScreen *
|
|
gdk_display_get_default_screen (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
return GDK_DISPLAY_X11 (display)->default_screen;
|
|
}
|
|
|
|
gboolean
|
|
_gdk_x11_display_is_root_window (GdkDisplay *display,
|
|
Window xroot_window)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
gint i;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
{
|
|
if (GDK_SCREEN_XROOTWIN (display_x11->screens[i]) == xroot_window)
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
struct XPointerUngrabInfo {
|
|
GdkDisplay *display;
|
|
guint32 time;
|
|
};
|
|
|
|
static void
|
|
device_ungrab_callback (GdkDisplay *display,
|
|
gpointer data,
|
|
gulong serial)
|
|
{
|
|
GdkDevice *device = data;
|
|
|
|
_gdk_display_device_grab_update (display, device, serial);
|
|
}
|
|
|
|
|
|
#define XSERVER_TIME_IS_LATER(time1, time2) \
|
|
( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
|
|
(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
|
|
)
|
|
|
|
/**
|
|
* gdk_device_ungrab:
|
|
* @device: a #GdkDevice
|
|
* @time_: a timestap (e.g. %GDK_CURRENT_TIME).
|
|
*
|
|
* Release any grab on @device.
|
|
*
|
|
* Since: 3.0
|
|
*/
|
|
void
|
|
gdk_device_ungrab (GdkDevice *device,
|
|
guint32 time_)
|
|
{
|
|
GdkDisplay *display;
|
|
Display *xdisplay;
|
|
GdkDeviceGrabInfo *grab;
|
|
unsigned long serial;
|
|
|
|
g_return_if_fail (GDK_IS_DEVICE (device));
|
|
|
|
display = gdk_device_get_display (device);
|
|
xdisplay = GDK_DISPLAY_XDISPLAY (display);
|
|
|
|
serial = NextRequest (xdisplay);
|
|
|
|
GDK_DEVICE_GET_CLASS (device)->ungrab (device, time_);
|
|
XFlush (xdisplay);
|
|
|
|
grab = _gdk_display_get_last_device_grab (display, device);
|
|
if (grab &&
|
|
(time_ == GDK_CURRENT_TIME ||
|
|
grab->time == GDK_CURRENT_TIME ||
|
|
!XSERVER_TIME_IS_LATER (grab->time, time_)))
|
|
{
|
|
grab->serial_end = serial;
|
|
_gdk_x11_roundtrip_async (display,
|
|
device_ungrab_callback,
|
|
device);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gdk_display_beep:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Emits a short beep on @display
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
void
|
|
gdk_display_beep (GdkDisplay *display)
|
|
{
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
#ifdef HAVE_XKB
|
|
XkbBell (GDK_DISPLAY_XDISPLAY (display), None, 0, None);
|
|
#else
|
|
XBell (GDK_DISPLAY_XDISPLAY (display), 0);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* gdk_display_sync:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Flushes any requests queued for the windowing system and waits until all
|
|
* requests have been handled. This is often used for making sure that the
|
|
* display is synchronized with the current state of the program. Calling
|
|
* gdk_display_sync() before gdk_error_trap_pop() makes sure that any errors
|
|
* generated from earlier requests are handled before the error trap is
|
|
* removed.
|
|
*
|
|
* This is most useful for X11. On windowing systems where requests are
|
|
* handled synchronously, this function will do nothing.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
void
|
|
gdk_display_sync (GdkDisplay *display)
|
|
{
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
XSync (GDK_DISPLAY_XDISPLAY (display), False);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_flush:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Flushes any requests queued for the windowing system; this happens automatically
|
|
* when the main loop blocks waiting for new events, but if your application
|
|
* is drawing without returning control to the main loop, you may need
|
|
* to call this function explicitely. A common case where this function
|
|
* needs to be called is when an application is executing drawing commands
|
|
* from a thread other than the thread where the main loop is running.
|
|
*
|
|
* This is most useful for X11. On windowing systems where requests are
|
|
* handled synchronously, this function will do nothing.
|
|
*
|
|
* Since: 2.4
|
|
*/
|
|
void
|
|
gdk_display_flush (GdkDisplay *display)
|
|
{
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
if (!display->closed)
|
|
XFlush (GDK_DISPLAY_XDISPLAY (display));
|
|
}
|
|
|
|
/**
|
|
* gdk_display_get_default_group:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns the default group leader window for all toplevel windows
|
|
* on @display. This window is implicitly created by GDK.
|
|
* See gdk_window_set_group().
|
|
*
|
|
* Return value: (transfer none): The default group leader window
|
|
* for @display
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
GdkWindow *
|
|
gdk_display_get_default_group (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
return GDK_DISPLAY_X11 (display)->leader_gdk_window;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_grab:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Call XGrabServer() on @display.
|
|
* To ungrab the display again, use gdk_x11_display_ungrab().
|
|
*
|
|
* gdk_x11_display_grab()/gdk_x11_display_ungrab() calls can be nested.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gdk_x11_display_grab (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
if (display_x11->grab_count == 0)
|
|
XGrabServer (display_x11->xdisplay);
|
|
display_x11->grab_count++;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_ungrab:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Ungrab @display after it has been grabbed with
|
|
* gdk_x11_display_grab().
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gdk_x11_display_ungrab (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);;
|
|
g_return_if_fail (display_x11->grab_count > 0);
|
|
|
|
display_x11->grab_count--;
|
|
if (display_x11->grab_count == 0)
|
|
{
|
|
XUngrabServer (display_x11->xdisplay);
|
|
XFlush (display_x11->xdisplay);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_display_x11_dispose (GObject *object)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (object);
|
|
gint i;
|
|
|
|
g_list_foreach (display_x11->input_devices, (GFunc) g_object_run_dispose, NULL);
|
|
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
_gdk_screen_close (display_x11->screens[i]);
|
|
|
|
if (display_x11->event_source)
|
|
{
|
|
g_source_destroy (display_x11->event_source);
|
|
g_source_unref (display_x11->event_source);
|
|
display_x11->event_source = NULL;
|
|
}
|
|
|
|
G_OBJECT_CLASS (_gdk_display_x11_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
gdk_display_x11_finalize (GObject *object)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (object);
|
|
gint i;
|
|
|
|
/* Keymap */
|
|
if (display_x11->keymap)
|
|
g_object_unref (display_x11->keymap);
|
|
|
|
/* Free motif Dnd */
|
|
if (display_x11->motif_target_lists)
|
|
{
|
|
for (i = 0; i < display_x11->motif_n_target_lists; i++)
|
|
g_list_free (display_x11->motif_target_lists[i]);
|
|
g_free (display_x11->motif_target_lists);
|
|
}
|
|
|
|
_gdk_x11_cursor_display_finalize (GDK_DISPLAY_OBJECT(display_x11));
|
|
|
|
/* Atom Hashtable */
|
|
g_hash_table_destroy (display_x11->atom_from_virtual);
|
|
g_hash_table_destroy (display_x11->atom_to_virtual);
|
|
|
|
/* Leader Window */
|
|
XDestroyWindow (display_x11->xdisplay, display_x11->leader_window);
|
|
|
|
/* list of filters for client messages */
|
|
g_list_foreach (display_x11->client_filters, (GFunc) g_free, NULL);
|
|
g_list_free (display_x11->client_filters);
|
|
|
|
/* List of event window extraction functions */
|
|
g_slist_foreach (display_x11->event_types, (GFunc)g_free, NULL);
|
|
g_slist_free (display_x11->event_types);
|
|
|
|
/* input GdkDevice list */
|
|
g_list_foreach (display_x11->input_devices, (GFunc) g_object_unref, NULL);
|
|
g_list_free (display_x11->input_devices);
|
|
|
|
/* input GdkWindow list */
|
|
g_list_foreach (display_x11->input_windows, (GFunc) g_free, NULL);
|
|
g_list_free (display_x11->input_windows);
|
|
|
|
/* Free all GdkScreens */
|
|
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
|
|
g_object_unref (display_x11->screens[i]);
|
|
g_free (display_x11->screens);
|
|
|
|
g_free (display_x11->startup_notification_id);
|
|
|
|
/* X ID hashtable */
|
|
g_hash_table_destroy (display_x11->xid_ht);
|
|
|
|
XCloseDisplay (display_x11->xdisplay);
|
|
|
|
/* error traps */
|
|
while (display_x11->error_traps != NULL)
|
|
{
|
|
GdkErrorTrap *trap = display_x11->error_traps->data;
|
|
|
|
display_x11->error_traps =
|
|
g_slist_delete_link (display_x11->error_traps,
|
|
display_x11->error_traps);
|
|
|
|
if (trap->end_sequence == 0)
|
|
g_warning ("Display finalized with an unpopped error trap");
|
|
|
|
g_slice_free (GdkErrorTrap, trap);
|
|
}
|
|
|
|
G_OBJECT_CLASS (_gdk_display_x11_parent_class)->finalize (object);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_lookup_xdisplay:
|
|
* @xdisplay: a pointer to an X Display
|
|
*
|
|
* Find the #GdkDisplay corresponding to @display, if any exists.
|
|
*
|
|
* Return value: (transfer none): the #GdkDisplay, if found, otherwise %NULL.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
GdkDisplay *
|
|
gdk_x11_lookup_xdisplay (Display *xdisplay)
|
|
{
|
|
GSList *tmp_list;
|
|
|
|
for (tmp_list = _gdk_displays; tmp_list; tmp_list = tmp_list->next)
|
|
{
|
|
if (GDK_DISPLAY_XDISPLAY (tmp_list->data) == xdisplay)
|
|
return tmp_list->data;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* _gdk_x11_display_screen_for_xrootwin:
|
|
* @display: a #GdkDisplay
|
|
* @xrootwin: window ID for one of of the screen's of the display.
|
|
*
|
|
* Given the root window ID of one of the screen's of a #GdkDisplay,
|
|
* finds the screen.
|
|
*
|
|
* Return value: the #GdkScreen corresponding to @xrootwin, or %NULL.
|
|
**/
|
|
GdkScreen *
|
|
_gdk_x11_display_screen_for_xrootwin (GdkDisplay *display,
|
|
Window xrootwin)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay); i++)
|
|
{
|
|
GdkScreen *screen = gdk_display_get_screen (display, i);
|
|
if (GDK_SCREEN_XROOTWIN (screen) == xrootwin)
|
|
return screen;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_get_xdisplay:
|
|
* @display: a #GdkDisplay
|
|
* @returns: an X display.
|
|
*
|
|
* Returns the X display of a #GdkDisplay.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
Display *
|
|
gdk_x11_display_get_xdisplay (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
return GDK_DISPLAY_X11 (display)->xdisplay;
|
|
}
|
|
|
|
void
|
|
_gdk_windowing_set_default_display (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
const gchar *startup_id;
|
|
|
|
if (!display)
|
|
return;
|
|
|
|
g_free (display_x11->startup_notification_id);
|
|
display_x11->startup_notification_id = NULL;
|
|
|
|
startup_id = g_getenv ("DESKTOP_STARTUP_ID");
|
|
if (startup_id && *startup_id != '\0')
|
|
{
|
|
if (!g_utf8_validate (startup_id, -1, NULL))
|
|
g_warning ("DESKTOP_STARTUP_ID contains invalid UTF-8");
|
|
else
|
|
gdk_x11_display_set_startup_notification_id (display, startup_id);
|
|
|
|
/* Clear the environment variable so it won't be inherited by
|
|
* child processes and confuse things.
|
|
*/
|
|
g_unsetenv ("DESKTOP_STARTUP_ID");
|
|
}
|
|
}
|
|
|
|
static void
|
|
broadcast_xmessage (GdkDisplay *display,
|
|
const char *message_type,
|
|
const char *message_type_begin,
|
|
const char *message)
|
|
{
|
|
Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
|
|
GdkScreen *screen = gdk_display_get_default_screen (display);
|
|
GdkWindow *root_window = gdk_screen_get_root_window (screen);
|
|
Window xroot_window = GDK_WINDOW_XID (root_window);
|
|
|
|
Atom type_atom;
|
|
Atom type_atom_begin;
|
|
Window xwindow;
|
|
|
|
if (!G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
|
|
return;
|
|
|
|
{
|
|
XSetWindowAttributes attrs;
|
|
|
|
attrs.override_redirect = True;
|
|
attrs.event_mask = PropertyChangeMask | StructureNotifyMask;
|
|
|
|
xwindow =
|
|
XCreateWindow (xdisplay,
|
|
xroot_window,
|
|
-100, -100, 1, 1,
|
|
0,
|
|
CopyFromParent,
|
|
CopyFromParent,
|
|
(Visual *)CopyFromParent,
|
|
CWOverrideRedirect | CWEventMask,
|
|
&attrs);
|
|
}
|
|
|
|
type_atom = gdk_x11_get_xatom_by_name_for_display (display,
|
|
message_type);
|
|
type_atom_begin = gdk_x11_get_xatom_by_name_for_display (display,
|
|
message_type_begin);
|
|
|
|
{
|
|
XClientMessageEvent xclient;
|
|
const char *src;
|
|
const char *src_end;
|
|
char *dest;
|
|
char *dest_end;
|
|
|
|
memset(&xclient, 0, sizeof (xclient));
|
|
xclient.type = ClientMessage;
|
|
xclient.message_type = type_atom_begin;
|
|
xclient.display =xdisplay;
|
|
xclient.window = xwindow;
|
|
xclient.format = 8;
|
|
|
|
src = message;
|
|
src_end = message + strlen (message) + 1; /* +1 to include nul byte */
|
|
|
|
while (src != src_end)
|
|
{
|
|
dest = &xclient.data.b[0];
|
|
dest_end = dest + 20;
|
|
|
|
while (dest != dest_end &&
|
|
src != src_end)
|
|
{
|
|
*dest = *src;
|
|
++dest;
|
|
++src;
|
|
}
|
|
|
|
while (dest != dest_end)
|
|
{
|
|
*dest = 0;
|
|
++dest;
|
|
}
|
|
|
|
XSendEvent (xdisplay,
|
|
xroot_window,
|
|
False,
|
|
PropertyChangeMask,
|
|
(XEvent *)&xclient);
|
|
|
|
xclient.message_type = type_atom;
|
|
}
|
|
}
|
|
|
|
XDestroyWindow (xdisplay, xwindow);
|
|
XFlush (xdisplay);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_broadcast_startup_message:
|
|
* @display: a #GdkDisplay
|
|
* @message_type: startup notification message type ("new", "change",
|
|
* or "remove")
|
|
* @...: a list of key/value pairs (as strings), terminated by a
|
|
* %NULL key. (A %NULL value for a key will cause that key to be
|
|
* skipped in the output.)
|
|
*
|
|
* Sends a startup notification message of type @message_type to
|
|
* @display.
|
|
*
|
|
* This is a convenience function for use by code that implements the
|
|
* freedesktop startup notification specification. Applications should
|
|
* not normally need to call it directly. See the <ulink
|
|
* url="http://standards.freedesktop.org/startup-notification-spec/startup-notification-latest.txt">Startup
|
|
* Notification Protocol specification</ulink> for
|
|
* definitions of the message types and keys that can be used.
|
|
*
|
|
* Since: 2.12
|
|
**/
|
|
void
|
|
gdk_x11_display_broadcast_startup_message (GdkDisplay *display,
|
|
const char *message_type,
|
|
...)
|
|
{
|
|
GString *message;
|
|
va_list ap;
|
|
const char *key, *value, *p;
|
|
|
|
message = g_string_new (message_type);
|
|
g_string_append_c (message, ':');
|
|
|
|
va_start (ap, message_type);
|
|
while ((key = va_arg (ap, const char *)))
|
|
{
|
|
value = va_arg (ap, const char *);
|
|
if (!value)
|
|
continue;
|
|
|
|
g_string_append_printf (message, " %s=\"", key);
|
|
for (p = value; *p; p++)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case ' ':
|
|
case '"':
|
|
case '\\':
|
|
g_string_append_c (message, '\\');
|
|
break;
|
|
}
|
|
|
|
g_string_append_c (message, *p);
|
|
}
|
|
g_string_append_c (message, '\"');
|
|
}
|
|
va_end (ap);
|
|
|
|
broadcast_xmessage (display,
|
|
"_NET_STARTUP_INFO",
|
|
"_NET_STARTUP_INFO_BEGIN",
|
|
message->str);
|
|
|
|
g_string_free (message, TRUE);
|
|
}
|
|
|
|
/**
|
|
* gdk_notify_startup_complete:
|
|
*
|
|
* Indicates to the GUI environment that the application has finished
|
|
* loading. If the applications opens windows, this function is
|
|
* normally called after opening the application's initial set of
|
|
* windows.
|
|
*
|
|
* GTK+ will call this function automatically after opening the first
|
|
* #GtkWindow unless gtk_window_set_auto_startup_notification() is called
|
|
* to disable that feature.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gdk_notify_startup_complete (void)
|
|
{
|
|
GdkDisplay *display;
|
|
GdkDisplayX11 *display_x11;
|
|
|
|
display = gdk_display_get_default ();
|
|
if (!display)
|
|
return;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
if (display_x11->startup_notification_id == NULL)
|
|
return;
|
|
|
|
gdk_notify_startup_complete_with_id (display_x11->startup_notification_id);
|
|
}
|
|
|
|
/**
|
|
* gdk_notify_startup_complete_with_id:
|
|
* @startup_id: a startup-notification identifier, for which notification
|
|
* process should be completed
|
|
*
|
|
* Indicates to the GUI environment that the application has finished
|
|
* loading, using a given identifier.
|
|
*
|
|
* GTK+ will call this function automatically for #GtkWindow with custom
|
|
* startup-notification identifier unless
|
|
* gtk_window_set_auto_startup_notification() is called to disable
|
|
* that feature.
|
|
*
|
|
* Since: 2.12
|
|
**/
|
|
void
|
|
gdk_notify_startup_complete_with_id (const gchar* startup_id)
|
|
{
|
|
GdkDisplay *display;
|
|
|
|
display = gdk_display_get_default ();
|
|
if (!display)
|
|
return;
|
|
|
|
gdk_x11_display_broadcast_startup_message (display, "remove",
|
|
"ID", startup_id,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_supports_selection_notification:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns whether #GdkEventOwnerChange events will be
|
|
* sent when the owner of a selection changes.
|
|
*
|
|
* Return value: whether #GdkEventOwnerChange events will
|
|
* be sent.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
gboolean
|
|
gdk_display_supports_selection_notification (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
return display_x11->have_xfixes;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_request_selection_notification:
|
|
* @display: a #GdkDisplay
|
|
* @selection: the #GdkAtom naming the selection for which
|
|
* ownership change notification is requested
|
|
*
|
|
* Request #GdkEventOwnerChange events for ownership changes
|
|
* of the selection named by the given atom.
|
|
*
|
|
* Return value: whether #GdkEventOwnerChange events will
|
|
* be sent.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
gboolean
|
|
gdk_display_request_selection_notification (GdkDisplay *display,
|
|
GdkAtom selection)
|
|
|
|
{
|
|
#ifdef HAVE_XFIXES
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
Atom atom;
|
|
|
|
if (display_x11->have_xfixes)
|
|
{
|
|
atom = gdk_x11_atom_to_xatom_for_display (display,
|
|
selection);
|
|
XFixesSelectSelectionInput (display_x11->xdisplay,
|
|
display_x11->leader_window,
|
|
atom,
|
|
XFixesSetSelectionOwnerNotifyMask |
|
|
XFixesSelectionWindowDestroyNotifyMask |
|
|
XFixesSelectionClientCloseNotifyMask);
|
|
return TRUE;
|
|
}
|
|
else
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_supports_clipboard_persistence
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns whether the speicifed display supports clipboard
|
|
* persistance; i.e. if it's possible to store the clipboard data after an
|
|
* application has quit. On X11 this checks if a clipboard daemon is
|
|
* running.
|
|
*
|
|
* Returns: %TRUE if the display supports clipboard persistance.
|
|
*
|
|
* Since: 2.6
|
|
*/
|
|
gboolean
|
|
gdk_display_supports_clipboard_persistence (GdkDisplay *display)
|
|
{
|
|
Atom clipboard_manager;
|
|
|
|
/* It might make sense to cache this */
|
|
clipboard_manager = gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER");
|
|
return XGetSelectionOwner (GDK_DISPLAY_X11 (display)->xdisplay, clipboard_manager) != None;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_store_clipboard
|
|
* @display: a #GdkDisplay
|
|
* @clipboard_window: a #GdkWindow belonging to the clipboard owner
|
|
* @time_: a timestamp
|
|
* @targets: an array of targets that should be saved, or %NULL
|
|
* if all available targets should be saved.
|
|
* @n_targets: length of the @targets array
|
|
*
|
|
* Issues a request to the clipboard manager to store the
|
|
* clipboard data. On X11, this is a special program that works
|
|
* according to the freedesktop clipboard specification, available at
|
|
* <ulink url="http://www.freedesktop.org/Standards/clipboard-manager-spec">
|
|
* http://www.freedesktop.org/Standards/clipboard-manager-spec</ulink>.
|
|
*
|
|
* Since: 2.6
|
|
*/
|
|
void
|
|
gdk_display_store_clipboard (GdkDisplay *display,
|
|
GdkWindow *clipboard_window,
|
|
guint32 time_,
|
|
const GdkAtom *targets,
|
|
gint n_targets)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
Atom clipboard_manager, save_targets;
|
|
|
|
g_return_if_fail (GDK_WINDOW_IS_X11 (clipboard_window));
|
|
|
|
clipboard_manager = gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER");
|
|
save_targets = gdk_x11_get_xatom_by_name_for_display (display, "SAVE_TARGETS");
|
|
|
|
gdk_error_trap_push ();
|
|
|
|
if (XGetSelectionOwner (display_x11->xdisplay, clipboard_manager) != None)
|
|
{
|
|
Atom property_name = None;
|
|
Atom *xatoms;
|
|
int i;
|
|
|
|
if (n_targets > 0)
|
|
{
|
|
property_name = gdk_x11_atom_to_xatom_for_display (display, _gdk_selection_property);
|
|
|
|
xatoms = g_new (Atom, n_targets);
|
|
for (i = 0; i < n_targets; i++)
|
|
xatoms[i] = gdk_x11_atom_to_xatom_for_display (display, targets[i]);
|
|
|
|
XChangeProperty (display_x11->xdisplay, GDK_WINDOW_XID (clipboard_window),
|
|
property_name, XA_ATOM,
|
|
32, PropModeReplace, (guchar *)xatoms, n_targets);
|
|
g_free (xatoms);
|
|
|
|
}
|
|
|
|
XConvertSelection (display_x11->xdisplay,
|
|
clipboard_manager, save_targets, property_name,
|
|
GDK_WINDOW_XID (clipboard_window), time_);
|
|
|
|
}
|
|
gdk_error_trap_pop_ignored ();
|
|
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_get_user_time:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns the timestamp of the last user interaction on
|
|
* @display. The timestamp is taken from events caused
|
|
* by user interaction such as key presses or pointer
|
|
* movements. See gdk_x11_window_set_user_time().
|
|
*
|
|
* Returns: the timestamp of the last user interaction
|
|
*
|
|
* Since: 2.8
|
|
*/
|
|
guint32
|
|
gdk_x11_display_get_user_time (GdkDisplay *display)
|
|
{
|
|
return GDK_DISPLAY_X11 (display)->user_time;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_supports_shapes:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns %TRUE if gdk_window_shape_combine_mask() can
|
|
* be used to create shaped windows on @display.
|
|
*
|
|
* Returns: %TRUE if shaped windows are supported
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
gboolean
|
|
gdk_display_supports_shapes (GdkDisplay *display)
|
|
{
|
|
return GDK_DISPLAY_X11 (display)->have_shapes;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_supports_input_shapes:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns %TRUE if gdk_window_input_shape_combine_mask() can
|
|
* be used to modify the input shape of windows on @display.
|
|
*
|
|
* Returns: %TRUE if windows with modified input shape are supported
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
gboolean
|
|
gdk_display_supports_input_shapes (GdkDisplay *display)
|
|
{
|
|
return GDK_DISPLAY_X11 (display)->have_input_shapes;
|
|
}
|
|
|
|
|
|
/**
|
|
* gdk_x11_display_get_startup_notification_id:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Gets the startup notification ID for a display.
|
|
*
|
|
* Returns: the startup notification ID for @display
|
|
*
|
|
* Since: 2.12
|
|
*/
|
|
G_CONST_RETURN gchar *
|
|
gdk_x11_display_get_startup_notification_id (GdkDisplay *display)
|
|
{
|
|
return GDK_DISPLAY_X11 (display)->startup_notification_id;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_set_startup_notification_id:
|
|
* @display: a #GdkDisplay
|
|
* @startup_id: the startup notification ID (must be valid utf8)
|
|
*
|
|
* Sets the startup notification ID for a display.
|
|
*
|
|
* This is usually taken from the value of the DESKTOP_STARTUP_ID
|
|
* environment variable, but in some cases (such as the application not
|
|
* being launched using exec()) it can come from other sources.
|
|
*
|
|
* If the ID contains the string "_TIME" then the portion following that
|
|
* string is taken to be the X11 timestamp of the event that triggered
|
|
* the application to be launched and the GDK current event time is set
|
|
* accordingly.
|
|
*
|
|
* The startup ID is also what is used to signal that the startup is
|
|
* complete (for example, when opening a window or when calling
|
|
* gdk_notify_startup_complete()).
|
|
*
|
|
* Since: 3.0
|
|
**/
|
|
void
|
|
gdk_x11_display_set_startup_notification_id (GdkDisplay *display,
|
|
const gchar *startup_id)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
gchar *time_str;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
g_free (display_x11->startup_notification_id);
|
|
display_x11->startup_notification_id = g_strdup (startup_id);
|
|
|
|
/* Find the launch time from the startup_id, if it's there. Newer spec
|
|
* states that the startup_id is of the form <unique>_TIME<timestamp>
|
|
*/
|
|
time_str = g_strrstr (startup_id, "_TIME");
|
|
if (time_str != NULL)
|
|
{
|
|
gulong retval;
|
|
gchar *end;
|
|
errno = 0;
|
|
|
|
/* Skip past the "_TIME" part */
|
|
time_str += 5;
|
|
|
|
retval = strtoul (time_str, &end, 0);
|
|
if (end != time_str && errno == 0)
|
|
display_x11->user_time = retval;
|
|
}
|
|
|
|
/* Set the startup id on the leader window so it
|
|
* applies to all windows we create on this display
|
|
*/
|
|
XChangeProperty (display_x11->xdisplay,
|
|
display_x11->leader_window,
|
|
gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"),
|
|
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
|
|
PropModeReplace,
|
|
(guchar *)startup_id, strlen (startup_id));
|
|
}
|
|
|
|
/**
|
|
* gdk_display_supports_composite:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns %TRUE if gdk_window_set_composited() can be used
|
|
* to redirect drawing on the window using compositing.
|
|
*
|
|
* Currently this only works on X11 with XComposite and
|
|
* XDamage extensions available.
|
|
*
|
|
* Returns: %TRUE if windows may be composited.
|
|
*
|
|
* Since: 2.12
|
|
*/
|
|
gboolean
|
|
gdk_display_supports_composite (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *x11_display = GDK_DISPLAY_X11 (display);
|
|
|
|
return x11_display->have_xcomposite &&
|
|
x11_display->have_xdamage &&
|
|
x11_display->have_xfixes;
|
|
}
|
|
|
|
/**
|
|
* gdk_display_list_devices:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Returns the list of available input devices attached to @display.
|
|
* The list is statically allocated and should not be freed.
|
|
*
|
|
* Return value: (transfer none) (element-type GdkDevice):
|
|
* a list of #GdkDevice
|
|
*
|
|
* Since: 2.2
|
|
*
|
|
* Deprecated: 3.0: Use gdk_device_manager_list_devices() instead.
|
|
**/
|
|
GList *
|
|
gdk_display_list_devices (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
return GDK_DISPLAY_X11 (display)->input_devices;
|
|
}
|
|
|
|
/**
|
|
* gdk_event_send_client_message_for_display:
|
|
* @display: the #GdkDisplay for the window where the message is to be sent.
|
|
* @event: the #GdkEvent to send, which should be a #GdkEventClient.
|
|
* @winid: the window to send the client message to.
|
|
*
|
|
* On X11, sends an X ClientMessage event to a given window. On
|
|
* Windows, sends a message registered with the name
|
|
* GDK_WIN32_CLIENT_MESSAGE.
|
|
*
|
|
* This could be used for communicating between different
|
|
* applications, though the amount of data is limited to 20 bytes on
|
|
* X11, and to just four bytes on Windows.
|
|
*
|
|
* Returns: non-zero on success.
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
gboolean
|
|
gdk_event_send_client_message_for_display (GdkDisplay *display,
|
|
GdkEvent *event,
|
|
GdkNativeWindow winid)
|
|
{
|
|
XEvent sev;
|
|
|
|
g_return_val_if_fail(event != NULL, FALSE);
|
|
|
|
/* Set up our event to send, with the exception of its target window */
|
|
sev.xclient.type = ClientMessage;
|
|
sev.xclient.display = GDK_DISPLAY_XDISPLAY (display);
|
|
sev.xclient.format = event->client.data_format;
|
|
sev.xclient.window = winid;
|
|
memcpy(&sev.xclient.data, &event->client.data, sizeof (sev.xclient.data));
|
|
sev.xclient.message_type = gdk_x11_atom_to_xatom_for_display (display, event->client.message_type);
|
|
|
|
return _gdk_send_xevent (display, winid, False, NoEventMask, &sev);
|
|
}
|
|
|
|
/**
|
|
* gdk_display_add_client_message_filter:
|
|
* @display: a #GdkDisplay for which this message filter applies
|
|
* @message_type: the type of ClientMessage events to receive.
|
|
* This will be checked against the @message_type field
|
|
* of the XClientMessage event struct.
|
|
* @func: the function to call to process the event.
|
|
* @data: user data to pass to @func.
|
|
*
|
|
* Adds a filter to be called when X ClientMessage events are received.
|
|
* See gdk_window_add_filter() if you are interested in filtering other
|
|
* types of events.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gdk_display_add_client_message_filter (GdkDisplay *display,
|
|
GdkAtom message_type,
|
|
GdkFilterFunc func,
|
|
gpointer data)
|
|
{
|
|
GdkClientFilter *filter;
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
filter = g_new (GdkClientFilter, 1);
|
|
|
|
filter->type = message_type;
|
|
filter->function = func;
|
|
filter->data = data;
|
|
|
|
GDK_DISPLAY_X11(display)->client_filters =
|
|
g_list_append (GDK_DISPLAY_X11 (display)->client_filters,
|
|
filter);
|
|
}
|
|
|
|
/**
|
|
* gdk_add_client_message_filter:
|
|
* @message_type: the type of ClientMessage events to receive. This will be
|
|
* checked against the <structfield>message_type</structfield> field of the
|
|
* XClientMessage event struct.
|
|
* @func: the function to call to process the event.
|
|
* @data: user data to pass to @func.
|
|
*
|
|
* Adds a filter to the default display to be called when X ClientMessage events
|
|
* are received. See gdk_display_add_client_message_filter().
|
|
**/
|
|
void
|
|
gdk_add_client_message_filter (GdkAtom message_type,
|
|
GdkFilterFunc func,
|
|
gpointer data)
|
|
{
|
|
gdk_display_add_client_message_filter (gdk_display_get_default (),
|
|
message_type, func, data);
|
|
}
|
|
|
|
/*
|
|
*--------------------------------------------------------------
|
|
* gdk_flush
|
|
*
|
|
* Flushes the Xlib output buffer and then waits
|
|
* until all requests have been received and processed
|
|
* by the X server. The only real use for this function
|
|
* is in dealing with XShm.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* Results:
|
|
*
|
|
* Side effects:
|
|
*
|
|
*--------------------------------------------------------------
|
|
*/
|
|
void
|
|
gdk_flush (void)
|
|
{
|
|
GSList *tmp_list = _gdk_displays;
|
|
|
|
while (tmp_list)
|
|
{
|
|
XSync (GDK_DISPLAY_XDISPLAY (tmp_list->data), False);
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_register_standard_event_type:
|
|
* @display: a #GdkDisplay
|
|
* @event_base: first event type code to register
|
|
* @n_events: number of event type codes to register
|
|
*
|
|
* Registers interest in receiving extension events with type codes
|
|
* between @event_base and <literal>event_base + n_events - 1</literal>.
|
|
* The registered events must have the window field in the same place
|
|
* as core X events (this is not the case for e.g. XKB extension events).
|
|
*
|
|
* If an event type is registered, events of this type will go through
|
|
* global and window-specific filters (see gdk_window_add_filter()).
|
|
* Unregistered events will only go through global filters.
|
|
* GDK may register the events of some X extensions on its own.
|
|
*
|
|
* This function should only be needed in unusual circumstances, e.g.
|
|
* when filtering XInput extension events on the root window.
|
|
*
|
|
* Since: 2.4
|
|
**/
|
|
void
|
|
gdk_x11_register_standard_event_type (GdkDisplay *display,
|
|
gint event_base,
|
|
gint n_events)
|
|
{
|
|
GdkEventTypeX11 *event_type;
|
|
GdkDisplayX11 *display_x11;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
event_type = g_new (GdkEventTypeX11, 1);
|
|
|
|
event_type->base = event_base;
|
|
event_type->n_events = n_events;
|
|
|
|
display_x11->event_types = g_slist_prepend (display_x11->event_types, event_type);
|
|
}
|
|
|
|
/* compare X sequence numbers handling wraparound */
|
|
#define SEQUENCE_COMPARE(a,op,b) (((long) (a) - (long) (b)) op 0)
|
|
|
|
/* delivers an error event from the error handler in gdkmain-x11.c */
|
|
void
|
|
_gdk_x11_display_error_event (GdkDisplay *display,
|
|
XErrorEvent *error)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GSList *tmp_list;
|
|
gboolean ignore;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
ignore = FALSE;
|
|
for (tmp_list = display_x11->error_traps;
|
|
tmp_list != NULL;
|
|
tmp_list = tmp_list->next)
|
|
{
|
|
GdkErrorTrap *trap;
|
|
|
|
trap = tmp_list->data;
|
|
|
|
if (SEQUENCE_COMPARE (trap->start_sequence, <=, error->serial) &&
|
|
(trap->end_sequence == 0 ||
|
|
SEQUENCE_COMPARE (trap->end_sequence, >, error->serial)))
|
|
{
|
|
ignore = TRUE;
|
|
trap->error_code = error->error_code;
|
|
break; /* only innermost trap gets the error code */
|
|
}
|
|
}
|
|
|
|
if (!ignore)
|
|
{
|
|
gchar buf[64];
|
|
gchar *msg;
|
|
|
|
XGetErrorText (display_x11->xdisplay, error->error_code, buf, 63);
|
|
|
|
msg =
|
|
g_strdup_printf ("The program '%s' received an X Window System error.\n"
|
|
"This probably reflects a bug in the program.\n"
|
|
"The error was '%s'.\n"
|
|
" (Details: serial %ld error_code %d request_code %d minor_code %d)\n"
|
|
" (Note to programmers: normally, X errors are reported asynchronously;\n"
|
|
" that is, you will receive the error a while after causing it.\n"
|
|
" To debug your program, run it with the --sync command line\n"
|
|
" option to change this behavior. You can then get a meaningful\n"
|
|
" backtrace from your debugger if you break on the gdk_x_error() function.)",
|
|
g_get_prgname (),
|
|
buf,
|
|
error->serial,
|
|
error->error_code,
|
|
error->request_code,
|
|
error->minor_code);
|
|
|
|
#ifdef G_ENABLE_DEBUG
|
|
g_error ("%s", msg);
|
|
#else /* !G_ENABLE_DEBUG */
|
|
g_warning ("%s\n", msg);
|
|
|
|
exit (1);
|
|
#endif /* G_ENABLE_DEBUG */
|
|
}
|
|
}
|
|
|
|
static void
|
|
delete_outdated_error_traps (GdkDisplayX11 *display_x11)
|
|
{
|
|
GSList *tmp_list;
|
|
gulong processed_sequence;
|
|
|
|
processed_sequence = XLastKnownRequestProcessed (display_x11->xdisplay);
|
|
|
|
tmp_list = display_x11->error_traps;
|
|
while (tmp_list != NULL)
|
|
{
|
|
GdkErrorTrap *trap = tmp_list->data;
|
|
|
|
if (trap->end_sequence != 0 &&
|
|
SEQUENCE_COMPARE (trap->end_sequence, <=, processed_sequence))
|
|
{
|
|
GSList *free_me = tmp_list;
|
|
|
|
tmp_list = tmp_list->next;
|
|
display_x11->error_traps =
|
|
g_slist_delete_link (display_x11->error_traps, free_me);
|
|
g_slice_free (GdkErrorTrap, trap);
|
|
}
|
|
else
|
|
{
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_error_trap_push:
|
|
* @display: a #GdkDisplay
|
|
*
|
|
* Begins a range of X requests on @display for which X error events
|
|
* will be ignored. Unignored errors (when no trap is pushed) will abort
|
|
* the application. Use gdk_x11_display_error_trap_pop() or
|
|
* gdk_x11_display_error_trap_pop_ignored()to lift a trap pushed
|
|
* with this function.
|
|
*
|
|
* See also gdk_error_trap_push() to push a trap on all displays.
|
|
*
|
|
* Since: 3.0
|
|
*/
|
|
void
|
|
gdk_x11_display_error_trap_push (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GdkErrorTrap *trap;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
delete_outdated_error_traps (display_x11);
|
|
|
|
/* set up the Xlib callback to tell us about errors */
|
|
_gdk_x11_error_handler_push ();
|
|
|
|
trap = g_slice_new0 (GdkErrorTrap);
|
|
|
|
trap->start_sequence = XNextRequest (display_x11->xdisplay);
|
|
trap->error_code = Success;
|
|
|
|
display_x11->error_traps =
|
|
g_slist_prepend (display_x11->error_traps, trap);
|
|
}
|
|
|
|
static gint
|
|
gdk_x11_display_error_trap_pop_internal (GdkDisplay *display,
|
|
gboolean need_code)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GdkErrorTrap *trap;
|
|
GSList *tmp_list;
|
|
int result;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
g_return_val_if_fail (display_x11->error_traps != NULL, Success);
|
|
|
|
/* Find the first trap that hasn't been popped already */
|
|
trap = NULL; /* quiet gcc */
|
|
for (tmp_list = display_x11->error_traps;
|
|
tmp_list != NULL;
|
|
tmp_list = tmp_list->next)
|
|
{
|
|
trap = tmp_list->data;
|
|
|
|
if (trap->end_sequence == 0)
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_fail (trap != NULL, Success);
|
|
g_assert (trap->end_sequence == 0);
|
|
|
|
/* May need to sync to fill in trap->error_code if we care about
|
|
* getting an error code.
|
|
*/
|
|
if (need_code)
|
|
{
|
|
gulong processed_sequence;
|
|
gulong next_sequence;
|
|
|
|
next_sequence = XNextRequest (display_x11->xdisplay);
|
|
processed_sequence = XLastKnownRequestProcessed (display_x11->xdisplay);
|
|
|
|
/* If our last request was already processed, there is no point
|
|
* in syncing. i.e. if last request was a round trip (or even if
|
|
* we got an event with the serial of a non-round-trip)
|
|
*/
|
|
if ((next_sequence - 1) != processed_sequence)
|
|
{
|
|
XSync (display_x11->xdisplay, False);
|
|
}
|
|
|
|
result = trap->error_code;
|
|
}
|
|
else
|
|
{
|
|
result = Success;
|
|
}
|
|
|
|
/* record end of trap, giving us a range of
|
|
* error sequences we'll ignore.
|
|
*/
|
|
trap->end_sequence = XNextRequest (display_x11->xdisplay);
|
|
|
|
/* remove the Xlib callback */
|
|
_gdk_x11_error_handler_pop ();
|
|
|
|
/* we may already be outdated */
|
|
delete_outdated_error_traps (display_x11);
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_error_trap_pop:
|
|
* @display: the display
|
|
*
|
|
* Pops the error trap pushed by gdk_x11_display_error_trap_push().
|
|
* Will XSync() if necessary and will always block until
|
|
* the error is known to have occurred or not occurred,
|
|
* so the error code can be returned.
|
|
*
|
|
* If you don't need to use the return value,
|
|
* gdk_x11_display_error_trap_pop_ignored() would be more efficient.
|
|
*
|
|
* See gdk_error_trap_pop() for the all-displays-at-once
|
|
* equivalent.
|
|
*
|
|
* Since: 3.0
|
|
*
|
|
* Return value: X error code or 0 on success
|
|
*/
|
|
gint
|
|
gdk_x11_display_error_trap_pop (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY_X11 (display), Success);
|
|
|
|
return gdk_x11_display_error_trap_pop_internal (display, TRUE);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_display_error_trap_pop_ignored:
|
|
* @display: the display
|
|
*
|
|
* Pops the error trap pushed by gdk_x11_display_error_trap_push().
|
|
* Does not block to see if an error occurred; merely records the
|
|
* range of requests to ignore errors for, and ignores those errors
|
|
* if they arrive asynchronously.
|
|
*
|
|
* See gdk_error_trap_pop_ignored() for the all-displays-at-once
|
|
* equivalent.
|
|
*
|
|
* Since: 3.0
|
|
*/
|
|
void
|
|
gdk_x11_display_error_trap_pop_ignored (GdkDisplay *display)
|
|
{
|
|
g_return_if_fail (GDK_IS_DISPLAY_X11 (display));
|
|
|
|
gdk_x11_display_error_trap_pop_internal (display, FALSE);
|
|
}
|