1854 lines
50 KiB
C
1854 lines
50 KiB
C
/*
|
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* gdkscreen-x11.c
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*
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* Copyright 2001 Sun Microsystems Inc.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkscreen-x11.h"
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#include "gdkdisplay-x11.h"
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#include "gdkprivate-x11.h"
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#include "xsettings-client.h"
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xatom.h>
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#ifdef HAVE_SOLARIS_XINERAMA
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#include <X11/extensions/xinerama.h>
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#endif
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#ifdef HAVE_XFREE_XINERAMA
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#include <X11/extensions/Xinerama.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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#ifdef HAVE_XFIXES
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#include <X11/extensions/Xfixes.h>
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#endif
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static void gdk_x11_screen_dispose (GObject *object);
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static void gdk_x11_screen_finalize (GObject *object);
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static void init_randr_support (GdkScreen *screen);
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static void deinit_multihead (GdkScreen *screen);
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enum
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{
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WINDOW_MANAGER_CHANGED,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GdkX11Screen, gdk_x11_screen, GDK_TYPE_SCREEN)
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typedef struct _NetWmSupportedAtoms NetWmSupportedAtoms;
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struct _NetWmSupportedAtoms
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{
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Atom *atoms;
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gulong n_atoms;
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};
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struct _GdkX11Monitor
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{
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GdkRectangle geometry;
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XID output;
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int width_mm;
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int height_mm;
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char * output_name;
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char * manufacturer;
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};
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static void
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gdk_x11_screen_init (GdkX11Screen *screen)
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{
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}
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static GdkDisplay *
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gdk_x11_screen_get_display (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->display;
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}
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static gint
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gdk_x11_screen_get_width (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->width / GDK_X11_SCREEN (screen)->window_scale;
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}
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static gint
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gdk_x11_screen_get_height (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->height / GDK_X11_SCREEN (screen)->window_scale;
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}
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static gint
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gdk_x11_screen_get_width_mm (GdkScreen *screen)
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{
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return WidthMMOfScreen (GDK_X11_SCREEN (screen)->xscreen);
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}
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static gint
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gdk_x11_screen_get_height_mm (GdkScreen *screen)
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{
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return HeightMMOfScreen (GDK_X11_SCREEN (screen)->xscreen);
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}
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static gint
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gdk_x11_screen_get_number (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->screen_num;
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}
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static GdkWindow *
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gdk_x11_screen_get_root_window (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->root_window;
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}
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static void
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gdk_x11_screen_dispose (GObject *object)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (object);
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int i;
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for (i = 0; i < 32; ++i)
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{
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if (x11_screen->subwindow_gcs[i])
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{
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XFreeGC (x11_screen->xdisplay, x11_screen->subwindow_gcs[i]);
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x11_screen->subwindow_gcs[i] = 0;
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}
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}
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_gdk_x11_xsettings_finish (x11_screen);
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if (x11_screen->root_window)
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_gdk_window_destroy (x11_screen->root_window, TRUE);
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for (i = 0; i < x11_screen->nvisuals; i++)
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g_object_run_dispose (G_OBJECT (x11_screen->visuals[i]));
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G_OBJECT_CLASS (gdk_x11_screen_parent_class)->dispose (object);
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x11_screen->xdisplay = NULL;
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x11_screen->xscreen = NULL;
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x11_screen->screen_num = -1;
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x11_screen->xroot_window = None;
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x11_screen->wmspec_check_window = None;
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}
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static void
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gdk_x11_screen_finalize (GObject *object)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (object);
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gint i;
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if (x11_screen->root_window)
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g_object_unref (x11_screen->root_window);
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/* Visual Part */
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for (i = 0; i < x11_screen->nvisuals; i++)
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g_object_unref (x11_screen->visuals[i]);
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g_free (x11_screen->visuals);
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g_hash_table_destroy (x11_screen->visual_hash);
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g_free (x11_screen->window_manager_name);
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deinit_multihead (GDK_SCREEN (object));
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G_OBJECT_CLASS (gdk_x11_screen_parent_class)->finalize (object);
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}
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static gint
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gdk_x11_screen_get_n_monitors (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->n_monitors;
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}
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static gint
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gdk_x11_screen_get_primary_monitor (GdkScreen *screen)
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{
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return GDK_X11_SCREEN (screen)->primary_monitor;
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}
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static gint
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gdk_x11_screen_get_monitor_width_mm (GdkScreen *screen,
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gint monitor_num)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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return x11_screen->monitors[monitor_num].width_mm;
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}
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static gint
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gdk_x11_screen_get_monitor_height_mm (GdkScreen *screen,
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gint monitor_num)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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return x11_screen->monitors[monitor_num].height_mm;
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}
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static gchar *
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gdk_x11_screen_get_monitor_plug_name (GdkScreen *screen,
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gint monitor_num)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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return g_strdup (x11_screen->monitors[monitor_num].output_name);
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}
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/**
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* gdk_x11_screen_get_monitor_output:
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* @screen: (type GdkX11Screen): a #GdkScreen
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* @monitor_num: number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
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*
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* Gets the XID of the specified output/monitor.
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* If the X server does not support version 1.2 of the RANDR
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* extension, 0 is returned.
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*
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* Returns: the XID of the monitor
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*
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* Since: 2.14
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*/
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XID
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gdk_x11_screen_get_monitor_output (GdkScreen *screen,
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gint monitor_num)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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g_return_val_if_fail (GDK_IS_SCREEN (screen), None);
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g_return_val_if_fail (monitor_num >= 0, None);
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g_return_val_if_fail (monitor_num < x11_screen->n_monitors, None);
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return x11_screen->monitors[monitor_num].output;
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}
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static void
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gdk_x11_screen_get_monitor_geometry (GdkScreen *screen,
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gint monitor_num,
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GdkRectangle *dest)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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if (dest)
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{
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*dest = x11_screen->monitors[monitor_num].geometry;
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dest->x /= x11_screen->window_scale;
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dest->y /= x11_screen->window_scale;
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dest->width /= x11_screen->window_scale;
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dest->height /= x11_screen->window_scale;
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}
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}
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static int
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get_current_desktop (GdkScreen *screen)
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{
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Display *display;
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Window win;
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Atom current_desktop, type;
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int format;
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unsigned long n_items, bytes_after;
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unsigned char *data_return = NULL;
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int workspace = 0;
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if (!gdk_x11_screen_supports_net_wm_hint (screen,
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gdk_atom_intern_static_string ("_NET_CURRENT_DESKTOP")))
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return workspace;
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display = GDK_DISPLAY_XDISPLAY (gdk_screen_get_display (screen));
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win = XRootWindow (display, GDK_SCREEN_XNUMBER (screen));
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current_desktop = XInternAtom (display, "_NET_CURRENT_DESKTOP", True);
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XGetWindowProperty (display,
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win,
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current_desktop,
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0, G_MAXLONG,
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False, XA_CARDINAL,
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&type, &format, &n_items, &bytes_after,
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&data_return);
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if (type == XA_CARDINAL && format == 32 && n_items > 0)
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workspace = ((long *) data_return)[0];
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if (data_return)
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XFree (data_return);
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return workspace;
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}
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static void
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get_work_area (GdkScreen *screen,
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GdkRectangle *area)
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{
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GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
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Atom workarea;
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Atom type;
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Window win;
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int format;
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gulong num;
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gulong leftovers;
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gulong max_len = 4 * 32;
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guchar *ret_workarea = NULL;
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long *workareas;
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int result;
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int disp_screen;
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int desktop;
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Display *display;
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display = GDK_DISPLAY_XDISPLAY (gdk_screen_get_display (screen));
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disp_screen = GDK_SCREEN_XNUMBER (screen);
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workarea = XInternAtom (display, "_NET_WORKAREA", True);
|
||
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/* Defaults in case of error */
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area->x = 0;
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area->y = 0;
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area->width = gdk_screen_get_width (screen) / x11_screen->window_scale;
|
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area->height = gdk_screen_get_height (screen) / x11_screen->window_scale;
|
||
|
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if (!gdk_x11_screen_supports_net_wm_hint (screen,
|
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gdk_atom_intern_static_string ("_NET_WORKAREA")))
|
||
return;
|
||
|
||
if (workarea == None)
|
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return;
|
||
|
||
win = XRootWindow (display, disp_screen);
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result = XGetWindowProperty (display,
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||
win,
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workarea,
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0,
|
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max_len,
|
||
False,
|
||
AnyPropertyType,
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||
&type,
|
||
&format,
|
||
&num,
|
||
&leftovers,
|
||
&ret_workarea);
|
||
if (result != Success ||
|
||
type == None ||
|
||
format == 0 ||
|
||
leftovers ||
|
||
num % 4 != 0)
|
||
goto out;
|
||
|
||
desktop = get_current_desktop (screen);
|
||
if (desktop + 1 > num / 4) /* fvwm gets this wrong */
|
||
goto out;
|
||
|
||
workareas = (long *) ret_workarea;
|
||
area->x = workareas[desktop * 4];
|
||
area->y = workareas[desktop * 4 + 1];
|
||
area->width = workareas[desktop * 4 + 2];
|
||
area->height = workareas[desktop * 4 + 3];
|
||
|
||
area->x /= x11_screen->window_scale;
|
||
area->y /= x11_screen->window_scale;
|
||
area->width /= x11_screen->window_scale;
|
||
area->height /= x11_screen->window_scale;
|
||
|
||
out:
|
||
if (ret_workarea)
|
||
XFree (ret_workarea);
|
||
}
|
||
|
||
static gboolean
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||
gdk_x11_screen_monitor_has_fullscreen_window (GdkScreen *screen,
|
||
gint monitor)
|
||
{
|
||
GList *toplevels, *l;
|
||
GdkWindow *window;
|
||
gboolean has_fullscreen;
|
||
|
||
toplevels = gdk_screen_get_toplevel_windows (screen);
|
||
|
||
has_fullscreen = FALSE;
|
||
|
||
for (l = toplevels; l; l = l->next)
|
||
{
|
||
window = l->data;
|
||
|
||
if ((gdk_window_get_state (window) & GDK_WINDOW_STATE_FULLSCREEN) == 0)
|
||
continue;
|
||
|
||
if (gdk_window_get_fullscreen_mode (window) == GDK_FULLSCREEN_ON_ALL_MONITORS ||
|
||
gdk_screen_get_monitor_at_window (screen, window) == monitor)
|
||
{
|
||
has_fullscreen = TRUE;
|
||
break;
|
||
}
|
||
}
|
||
|
||
g_list_free (toplevels);
|
||
|
||
return has_fullscreen;
|
||
}
|
||
|
||
static void
|
||
gdk_x11_screen_get_monitor_workarea (GdkScreen *screen,
|
||
gint monitor_num,
|
||
GdkRectangle *dest)
|
||
{
|
||
GdkRectangle workarea;
|
||
|
||
gdk_x11_screen_get_monitor_geometry (screen, monitor_num, dest);
|
||
|
||
/* The EWMH constrains workarea to be a rectangle, so it
|
||
* can't adequately deal with L-shaped monitor arrangements.
|
||
* As a workaround, we ignore the workarea for anything
|
||
* but the primary monitor. Since that is where the 'desktop
|
||
* chrome' usually lives, this works ok in practice.
|
||
*/
|
||
if (monitor_num == GDK_X11_SCREEN (screen)->primary_monitor &&
|
||
!gdk_x11_screen_monitor_has_fullscreen_window (screen, monitor_num))
|
||
{
|
||
get_work_area (screen, &workarea);
|
||
if (gdk_rectangle_intersect (dest, &workarea, &workarea))
|
||
*dest = workarea;
|
||
}
|
||
}
|
||
|
||
static gint
|
||
gdk_x11_screen_get_monitor_scale_factor (GdkScreen *screen,
|
||
gint monitor_num)
|
||
{
|
||
GdkX11Screen *screen_x11 = GDK_X11_SCREEN (screen);
|
||
|
||
return screen_x11->window_scale;
|
||
}
|
||
|
||
static GdkVisual *
|
||
gdk_x11_screen_get_rgba_visual (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
return x11_screen->rgba_visual;
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_get_xscreen:
|
||
* @screen: (type GdkX11Screen): a #GdkScreen
|
||
*
|
||
* Returns the screen of a #GdkScreen.
|
||
*
|
||
* Returns: (transfer none): an Xlib Screen*
|
||
*
|
||
* Since: 2.2
|
||
*/
|
||
Screen *
|
||
gdk_x11_screen_get_xscreen (GdkScreen *screen)
|
||
{
|
||
return GDK_X11_SCREEN (screen)->xscreen;
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_get_screen_number:
|
||
* @screen: (type GdkX11Screen): a #GdkScreen
|
||
*
|
||
* Returns the index of a #GdkScreen.
|
||
*
|
||
* Returns: the position of @screen among the screens
|
||
* of its display
|
||
*
|
||
* Since: 2.2
|
||
*/
|
||
int
|
||
gdk_x11_screen_get_screen_number (GdkScreen *screen)
|
||
{
|
||
return GDK_X11_SCREEN (screen)->screen_num;
|
||
}
|
||
|
||
static Atom
|
||
get_cm_atom (GdkX11Screen *x11_screen)
|
||
{
|
||
return _gdk_x11_get_xatom_for_display_printf (x11_screen->display, "_NET_WM_CM_S%d", x11_screen->screen_num);
|
||
}
|
||
|
||
static gboolean
|
||
check_is_composited (GdkDisplay *display,
|
||
GdkX11Screen *x11_screen)
|
||
{
|
||
Window xwindow;
|
||
|
||
xwindow = XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display), get_cm_atom (x11_screen));
|
||
|
||
return xwindow != None;
|
||
}
|
||
|
||
static void
|
||
init_monitor_geometry (GdkX11Monitor *monitor,
|
||
int x, int y, int width, int height)
|
||
{
|
||
monitor->geometry.x = x;
|
||
monitor->geometry.y = y;
|
||
monitor->geometry.width = width;
|
||
monitor->geometry.height = height;
|
||
|
||
monitor->output = None;
|
||
monitor->width_mm = -1;
|
||
monitor->height_mm = -1;
|
||
monitor->output_name = NULL;
|
||
monitor->manufacturer = NULL;
|
||
}
|
||
|
||
static gboolean
|
||
init_fake_xinerama (GdkScreen *screen)
|
||
{
|
||
#ifdef G_ENABLE_DEBUG
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
XSetWindowAttributes atts;
|
||
Window win;
|
||
gint w, h;
|
||
|
||
if (!(_gdk_debug_flags & GDK_DEBUG_XINERAMA))
|
||
return FALSE;
|
||
|
||
/* Fake Xinerama mode by splitting the screen into 4 monitors.
|
||
* Also draw a little cross to make the monitor boundaries visible.
|
||
*/
|
||
w = WidthOfScreen (x11_screen->xscreen);
|
||
h = HeightOfScreen (x11_screen->xscreen);
|
||
|
||
x11_screen->n_monitors = 4;
|
||
x11_screen->monitors = g_new0 (GdkX11Monitor, 4);
|
||
init_monitor_geometry (&x11_screen->monitors[0], 0, 0, w / 2, h / 2);
|
||
init_monitor_geometry (&x11_screen->monitors[1], w / 2, 0, w / 2, h / 2);
|
||
init_monitor_geometry (&x11_screen->monitors[2], 0, h / 2, w / 2, h / 2);
|
||
init_monitor_geometry (&x11_screen->monitors[3], w / 2, h / 2, w / 2, h / 2);
|
||
|
||
atts.override_redirect = 1;
|
||
atts.background_pixel = WhitePixel(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->screen_num);
|
||
win = XCreateWindow(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->xroot_window, 0, h / 2, w, 1, 0,
|
||
DefaultDepth(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->screen_num),
|
||
InputOutput,
|
||
DefaultVisual(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->screen_num),
|
||
CWOverrideRedirect|CWBackPixel,
|
||
&atts);
|
||
XMapRaised(GDK_SCREEN_XDISPLAY (screen), win);
|
||
win = XCreateWindow(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->xroot_window, w/2 , 0, 1, h, 0,
|
||
DefaultDepth(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->screen_num),
|
||
InputOutput,
|
||
DefaultVisual(GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->screen_num),
|
||
CWOverrideRedirect|CWBackPixel,
|
||
&atts);
|
||
XMapRaised(GDK_SCREEN_XDISPLAY (screen), win);
|
||
return TRUE;
|
||
#endif
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
free_monitors (GdkX11Monitor *monitors,
|
||
gint n_monitors)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < n_monitors; ++i)
|
||
{
|
||
g_free (monitors[i].output_name);
|
||
g_free (monitors[i].manufacturer);
|
||
}
|
||
|
||
g_free (monitors);
|
||
}
|
||
|
||
#ifdef HAVE_RANDR
|
||
static int
|
||
monitor_compare_function (GdkX11Monitor *monitor1,
|
||
GdkX11Monitor *monitor2)
|
||
{
|
||
/* Sort the leftmost/topmost monitors first.
|
||
* For "cloned" monitors, sort the bigger ones first
|
||
* (giving preference to taller monitors over wider
|
||
* monitors)
|
||
*/
|
||
|
||
if (monitor1->geometry.x != monitor2->geometry.x)
|
||
return monitor1->geometry.x - monitor2->geometry.x;
|
||
|
||
if (monitor1->geometry.y != monitor2->geometry.y)
|
||
return monitor1->geometry.y - monitor2->geometry.y;
|
||
|
||
if (monitor1->geometry.height != monitor2->geometry.height)
|
||
return - (monitor1->geometry.height - monitor2->geometry.height);
|
||
|
||
if (monitor1->geometry.width != monitor2->geometry.width)
|
||
return - (monitor1->geometry.width - monitor2->geometry.width);
|
||
|
||
return 0;
|
||
}
|
||
#endif
|
||
|
||
static gboolean
|
||
init_randr13 (GdkScreen *screen)
|
||
{
|
||
#ifdef HAVE_RANDR
|
||
GdkDisplay *display = gdk_screen_get_display (screen);
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
Display *dpy = GDK_SCREEN_XDISPLAY (screen);
|
||
XRRScreenResources *resources;
|
||
RROutput primary_output;
|
||
RROutput first_output = None;
|
||
int i;
|
||
GArray *monitors;
|
||
gboolean randr12_compat = FALSE;
|
||
|
||
if (!display_x11->have_randr13)
|
||
return FALSE;
|
||
|
||
resources = XRRGetScreenResourcesCurrent (x11_screen->xdisplay,
|
||
x11_screen->xroot_window);
|
||
if (!resources)
|
||
return FALSE;
|
||
|
||
monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor),
|
||
resources->noutput);
|
||
|
||
for (i = 0; i < resources->noutput; ++i)
|
||
{
|
||
XRROutputInfo *output =
|
||
XRRGetOutputInfo (dpy, resources, resources->outputs[i]);
|
||
|
||
/* Non RandR1.2 X driver have output name "default" */
|
||
randr12_compat |= !g_strcmp0 (output->name, "default");
|
||
|
||
if (output->connection == RR_Disconnected)
|
||
{
|
||
XRRFreeOutputInfo (output);
|
||
continue;
|
||
}
|
||
|
||
if (output->crtc)
|
||
{
|
||
GdkX11Monitor monitor;
|
||
XRRCrtcInfo *crtc = XRRGetCrtcInfo (dpy, resources, output->crtc);
|
||
|
||
monitor.geometry.x = crtc->x;
|
||
monitor.geometry.y = crtc->y;
|
||
monitor.geometry.width = crtc->width;
|
||
monitor.geometry.height = crtc->height;
|
||
|
||
monitor.output = resources->outputs[i];
|
||
monitor.width_mm = output->mm_width;
|
||
monitor.height_mm = output->mm_height;
|
||
monitor.output_name = g_strdup (output->name);
|
||
/* FIXME: need EDID parser */
|
||
monitor.manufacturer = NULL;
|
||
|
||
g_array_append_val (monitors, monitor);
|
||
|
||
XRRFreeCrtcInfo (crtc);
|
||
}
|
||
|
||
XRRFreeOutputInfo (output);
|
||
}
|
||
|
||
if (resources->noutput > 0)
|
||
first_output = resources->outputs[0];
|
||
|
||
XRRFreeScreenResources (resources);
|
||
|
||
/* non RandR 1.2 X driver doesn't return any usable multihead data */
|
||
if (randr12_compat)
|
||
{
|
||
guint n_monitors = monitors->len;
|
||
|
||
free_monitors ((GdkX11Monitor *)g_array_free (monitors, FALSE),
|
||
n_monitors);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
g_array_sort (monitors,
|
||
(GCompareFunc) monitor_compare_function);
|
||
x11_screen->n_monitors = monitors->len;
|
||
x11_screen->monitors = (GdkX11Monitor *)g_array_free (monitors, FALSE);
|
||
|
||
x11_screen->primary_monitor = 0;
|
||
|
||
primary_output = XRRGetOutputPrimary (x11_screen->xdisplay,
|
||
x11_screen->xroot_window);
|
||
|
||
for (i = 0; i < x11_screen->n_monitors; ++i)
|
||
{
|
||
if (x11_screen->monitors[i].output == primary_output)
|
||
{
|
||
x11_screen->primary_monitor = i;
|
||
break;
|
||
}
|
||
|
||
/* No RandR1.3+ available or no primary set, fall back to prefer LVDS as primary if present */
|
||
if (primary_output == None &&
|
||
g_ascii_strncasecmp (x11_screen->monitors[i].output_name, "LVDS", 4) == 0)
|
||
{
|
||
x11_screen->primary_monitor = i;
|
||
break;
|
||
}
|
||
|
||
/* No primary specified and no LVDS found */
|
||
if (x11_screen->monitors[i].output == first_output)
|
||
x11_screen->primary_monitor = i;
|
||
}
|
||
|
||
return x11_screen->n_monitors > 0;
|
||
#endif
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
init_solaris_xinerama (GdkScreen *screen)
|
||
{
|
||
#ifdef HAVE_SOLARIS_XINERAMA
|
||
Display *dpy = GDK_SCREEN_XDISPLAY (screen);
|
||
int screen_no = gdk_screen_get_number (screen);
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
XRectangle monitors[MAXFRAMEBUFFERS];
|
||
unsigned char hints[16];
|
||
gint result;
|
||
int n_monitors;
|
||
int i;
|
||
|
||
if (!XineramaGetState (dpy, screen_no))
|
||
return FALSE;
|
||
|
||
result = XineramaGetInfo (dpy, screen_no, monitors, hints, &n_monitors);
|
||
|
||
/* Yes I know it should be Success but the current implementation
|
||
* returns the num of monitor
|
||
*/
|
||
if (result == 0)
|
||
{
|
||
return FALSE;
|
||
}
|
||
|
||
x11_screen->monitors = g_new0 (GdkX11Monitor, n_monitors);
|
||
x11_screen->n_monitors = n_monitors;
|
||
|
||
for (i = 0; i < n_monitors; i++)
|
||
{
|
||
init_monitor_geometry (&x11_screen->monitors[i],
|
||
monitors[i].x, monitors[i].y,
|
||
monitors[i].width, monitors[i].height);
|
||
}
|
||
|
||
x11_screen->primary_monitor = 0;
|
||
|
||
return TRUE;
|
||
#endif /* HAVE_SOLARIS_XINERAMA */
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
init_xfree_xinerama (GdkScreen *screen)
|
||
{
|
||
#ifdef HAVE_XFREE_XINERAMA
|
||
Display *dpy = GDK_SCREEN_XDISPLAY (screen);
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
XineramaScreenInfo *monitors;
|
||
int i, n_monitors;
|
||
|
||
if (!XineramaIsActive (dpy))
|
||
return FALSE;
|
||
|
||
monitors = XineramaQueryScreens (dpy, &n_monitors);
|
||
|
||
if (n_monitors <= 0 || monitors == NULL)
|
||
{
|
||
/* If Xinerama doesn't think we have any monitors, try acting as
|
||
* though we had no Xinerama. If the "no monitors" condition
|
||
* is because XRandR 1.2 is currently switching between CRTCs,
|
||
* we'll be notified again when we have our monitor back,
|
||
* and can go back into Xinerama-ish mode at that point.
|
||
*/
|
||
if (monitors)
|
||
XFree (monitors);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
x11_screen->n_monitors = n_monitors;
|
||
x11_screen->monitors = g_new0 (GdkX11Monitor, n_monitors);
|
||
|
||
for (i = 0; i < n_monitors; ++i)
|
||
{
|
||
init_monitor_geometry (&x11_screen->monitors[i],
|
||
monitors[i].x_org, monitors[i].y_org,
|
||
monitors[i].width, monitors[i].height);
|
||
}
|
||
|
||
XFree (monitors);
|
||
|
||
x11_screen->primary_monitor = 0;
|
||
|
||
return TRUE;
|
||
#endif /* HAVE_XFREE_XINERAMA */
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
init_solaris_xinerama_indices (GdkX11Screen *x11_screen)
|
||
{
|
||
#ifdef HAVE_SOLARIS_XINERAMA
|
||
XRectangle x_monitors[MAXFRAMEBUFFERS];
|
||
unsigned char hints[16];
|
||
gint result;
|
||
gint monitor_num;
|
||
gint x_n_monitors;
|
||
gint i;
|
||
|
||
if (!XineramaGetState (x11_screen->xdisplay, x11_screen->screen_num))
|
||
return FALSE;
|
||
|
||
result = XineramaGetInfo (x11_screen->xdisplay, x11_screen->screen_num,
|
||
x_monitors, hints, &x_n_monitors);
|
||
|
||
if (result == 0)
|
||
return FALSE;
|
||
|
||
|
||
for (monitor_num = 0; monitor_num < x11_screen->n_monitors; ++monitor_num)
|
||
{
|
||
for (i = 0; i < x_n_monitors; ++i)
|
||
{
|
||
if (x11_screen->monitors[monitor_num].geometry.x == x_monitors[i].x &&
|
||
x11_screen->monitors[monitor_num].geometry.y == x_monitors[i].y &&
|
||
x11_screen->monitors[monitor_num].geometry.width == x_monitors[i].width &&
|
||
x11_screen->monitors[monitor_num].geometry.height == x_monitors[i].height)
|
||
{
|
||
g_hash_table_insert (x11_screen->xinerama_matches,
|
||
GINT_TO_POINTER (monitor_num),
|
||
GINT_TO_POINTER (i));
|
||
}
|
||
}
|
||
}
|
||
return TRUE;
|
||
#endif /* HAVE_SOLARIS_XINERAMA */
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
init_xfree_xinerama_indices (GdkX11Screen *x11_screen)
|
||
{
|
||
#ifdef HAVE_XFREE_XINERAMA
|
||
XineramaScreenInfo *x_monitors;
|
||
gint monitor_num;
|
||
gint x_n_monitors;
|
||
gint i;
|
||
|
||
if (!XineramaIsActive (x11_screen->xdisplay))
|
||
return FALSE;
|
||
|
||
x_monitors = XineramaQueryScreens (x11_screen->xdisplay, &x_n_monitors);
|
||
if (x_n_monitors <= 0 || x_monitors == NULL)
|
||
{
|
||
if (x_monitors)
|
||
XFree (x_monitors);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
for (monitor_num = 0; monitor_num < x11_screen->n_monitors; ++monitor_num)
|
||
{
|
||
for (i = 0; i < x_n_monitors; ++i)
|
||
{
|
||
if (x11_screen->monitors[monitor_num].geometry.x == x_monitors[i].x_org &&
|
||
x11_screen->monitors[monitor_num].geometry.y == x_monitors[i].y_org &&
|
||
x11_screen->monitors[monitor_num].geometry.width == x_monitors[i].width &&
|
||
x11_screen->monitors[monitor_num].geometry.height == x_monitors[i].height)
|
||
{
|
||
g_hash_table_insert (x11_screen->xinerama_matches,
|
||
GINT_TO_POINTER (monitor_num),
|
||
GINT_TO_POINTER (i));
|
||
}
|
||
}
|
||
}
|
||
XFree (x_monitors);
|
||
return TRUE;
|
||
#endif /* HAVE_XFREE_XINERAMA */
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
init_xinerama_indices (GdkX11Screen *x11_screen)
|
||
{
|
||
int opcode, firstevent, firsterror;
|
||
|
||
x11_screen->xinerama_matches = g_hash_table_new (g_direct_hash, g_direct_equal);
|
||
if (XQueryExtension (x11_screen->xdisplay, "XINERAMA",
|
||
&opcode, &firstevent, &firsterror))
|
||
{
|
||
x11_screen->xinerama_matches = g_hash_table_new (g_direct_hash, g_direct_equal);
|
||
|
||
/* Solaris Xinerama first, then XFree/Xorg Xinerama
|
||
* to match the order in init_multihead()
|
||
*/
|
||
if (init_solaris_xinerama_indices (x11_screen) == FALSE)
|
||
init_xfree_xinerama_indices (x11_screen);
|
||
}
|
||
}
|
||
|
||
gint
|
||
_gdk_x11_screen_get_xinerama_index (GdkScreen *screen,
|
||
gint monitor_num)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
gpointer val;
|
||
|
||
g_return_val_if_fail (monitor_num < x11_screen->n_monitors, -1);
|
||
|
||
if (x11_screen->xinerama_matches == NULL)
|
||
init_xinerama_indices (x11_screen);
|
||
|
||
if (g_hash_table_lookup_extended (x11_screen->xinerama_matches, GINT_TO_POINTER (monitor_num), NULL, &val))
|
||
return (GPOINTER_TO_INT(val));
|
||
|
||
return -1;
|
||
}
|
||
|
||
void
|
||
_gdk_x11_screen_get_edge_monitors (GdkScreen *screen,
|
||
gint *top,
|
||
gint *bottom,
|
||
gint *left,
|
||
gint *right)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
gint top_most_pos = x11_screen->height;
|
||
gint left_most_pos = x11_screen->width;
|
||
gint bottom_most_pos = 0;
|
||
gint right_most_pos = 0;
|
||
gint monitor_num;
|
||
|
||
for (monitor_num = 0; monitor_num < x11_screen->n_monitors; monitor_num++)
|
||
{
|
||
gint monitor_x = x11_screen->monitors[monitor_num].geometry.x;
|
||
gint monitor_y = x11_screen->monitors[monitor_num].geometry.y;
|
||
gint monitor_max_x = monitor_x + x11_screen->monitors[monitor_num].geometry.width;
|
||
gint monitor_max_y = monitor_y + x11_screen->monitors[monitor_num].geometry.height;
|
||
|
||
if (left && left_most_pos > monitor_x)
|
||
{
|
||
left_most_pos = monitor_x;
|
||
*left = monitor_num;
|
||
}
|
||
if (right && right_most_pos < monitor_max_x)
|
||
{
|
||
right_most_pos = monitor_max_x;
|
||
*right = monitor_num;
|
||
}
|
||
if (top && top_most_pos > monitor_y)
|
||
{
|
||
top_most_pos = monitor_y;
|
||
*top = monitor_num;
|
||
}
|
||
if (bottom && bottom_most_pos < monitor_max_y)
|
||
{
|
||
bottom_most_pos = monitor_max_y;
|
||
*bottom = monitor_num;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
deinit_multihead (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
free_monitors (x11_screen->monitors, x11_screen->n_monitors);
|
||
g_clear_pointer (&x11_screen->xinerama_matches, g_hash_table_destroy);
|
||
|
||
x11_screen->n_monitors = 0;
|
||
x11_screen->monitors = NULL;
|
||
}
|
||
|
||
static gboolean
|
||
compare_monitor (GdkX11Monitor *m1,
|
||
GdkX11Monitor *m2)
|
||
{
|
||
if (m1->geometry.x != m2->geometry.x ||
|
||
m1->geometry.y != m2->geometry.y ||
|
||
m1->geometry.width != m2->geometry.width ||
|
||
m1->geometry.height != m2->geometry.height)
|
||
return FALSE;
|
||
|
||
if (m1->width_mm != m2->width_mm ||
|
||
m1->height_mm != m2->height_mm)
|
||
return FALSE;
|
||
|
||
if (g_strcmp0 (m1->output_name, m2->output_name) != 0)
|
||
return FALSE;
|
||
|
||
if (g_strcmp0 (m1->manufacturer, m2->manufacturer) != 0)
|
||
return FALSE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
compare_monitors (GdkX11Monitor *monitors1, gint n_monitors1,
|
||
GdkX11Monitor *monitors2, gint n_monitors2)
|
||
{
|
||
gint i;
|
||
|
||
if (n_monitors1 != n_monitors2)
|
||
return FALSE;
|
||
|
||
for (i = 0; i < n_monitors1; i++)
|
||
{
|
||
if (!compare_monitor (monitors1 + i, monitors2 + i))
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
init_multihead (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
int opcode, firstevent, firsterror;
|
||
|
||
/* There are four different implementations of multihead support:
|
||
*
|
||
* 1. Fake Xinerama for debugging purposes
|
||
* 2. RandR 1.2
|
||
* 3. Solaris Xinerama
|
||
* 4. XFree86/Xorg Xinerama
|
||
*
|
||
* We use them in that order.
|
||
*/
|
||
if (init_fake_xinerama (screen))
|
||
return;
|
||
|
||
if (init_randr13 (screen))
|
||
return;
|
||
|
||
if (XQueryExtension (GDK_SCREEN_XDISPLAY (screen), "XINERAMA",
|
||
&opcode, &firstevent, &firsterror))
|
||
{
|
||
if (init_solaris_xinerama (screen))
|
||
return;
|
||
|
||
if (init_xfree_xinerama (screen))
|
||
return;
|
||
}
|
||
|
||
/* No multihead support of any kind for this screen */
|
||
x11_screen->n_monitors = 1;
|
||
x11_screen->monitors = g_new0 (GdkX11Monitor, 1);
|
||
x11_screen->primary_monitor = 0;
|
||
|
||
init_monitor_geometry (x11_screen->monitors, 0, 0,
|
||
WidthOfScreen (x11_screen->xscreen),
|
||
HeightOfScreen (x11_screen->xscreen));
|
||
}
|
||
|
||
static void
|
||
update_bounding_box (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
gint i, x1, y1, x2, y2;
|
||
|
||
x1 = y1 = G_MAXINT;
|
||
x2 = y2 = G_MININT;
|
||
|
||
for (i = 0; i < x11_screen->n_monitors; i++)
|
||
{
|
||
GdkX11Monitor *monitor;
|
||
|
||
monitor = &x11_screen->monitors[i];
|
||
x1 = MIN (x1, monitor->geometry.x);
|
||
y1 = MIN (y1, monitor->geometry.y);
|
||
x2 = MAX (x2, monitor->geometry.x + monitor->geometry.width);
|
||
y2 = MAX (y2, monitor->geometry.y + monitor->geometry.height);
|
||
}
|
||
|
||
x11_screen->width = x2 - x1;
|
||
x11_screen->height = y2 - y1;
|
||
}
|
||
|
||
GdkScreen *
|
||
_gdk_x11_screen_new (GdkDisplay *display,
|
||
gint screen_number)
|
||
{
|
||
GdkScreen *screen;
|
||
GdkX11Screen *x11_screen;
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
|
||
const char *scale_str;
|
||
|
||
screen = g_object_new (GDK_TYPE_X11_SCREEN, NULL);
|
||
|
||
x11_screen = GDK_X11_SCREEN (screen);
|
||
x11_screen->display = display;
|
||
x11_screen->xdisplay = display_x11->xdisplay;
|
||
x11_screen->xscreen = ScreenOfDisplay (display_x11->xdisplay, screen_number);
|
||
x11_screen->screen_num = screen_number;
|
||
x11_screen->xroot_window = RootWindow (display_x11->xdisplay,screen_number);
|
||
x11_screen->wmspec_check_window = None;
|
||
/* we want this to be always non-null */
|
||
x11_screen->window_manager_name = g_strdup ("unknown");
|
||
|
||
scale_str = g_getenv ("GDK_SCALE");
|
||
if (scale_str)
|
||
{
|
||
x11_screen->fixed_window_scale = TRUE;
|
||
x11_screen->window_scale = atol (scale_str);
|
||
if (x11_screen->window_scale == 0)
|
||
x11_screen->window_scale = 1;
|
||
}
|
||
else
|
||
x11_screen->window_scale = 1;
|
||
|
||
init_multihead (screen);
|
||
init_randr_support (screen);
|
||
|
||
_gdk_x11_screen_init_visuals (screen);
|
||
_gdk_x11_screen_init_root_window (screen);
|
||
update_bounding_box (screen);
|
||
|
||
return screen;
|
||
}
|
||
|
||
void
|
||
_gdk_x11_screen_set_window_scale (GdkX11Screen *x11_screen,
|
||
gint scale)
|
||
{
|
||
GList *toplevels, *l;
|
||
GdkWindow *root;
|
||
|
||
if (x11_screen->window_scale == scale)
|
||
return;
|
||
|
||
x11_screen->window_scale = scale;
|
||
|
||
root = x11_screen->root_window;
|
||
GDK_WINDOW_IMPL_X11 (root->impl)->window_scale = scale;
|
||
|
||
toplevels = gdk_screen_get_toplevel_windows (GDK_SCREEN (x11_screen));
|
||
|
||
for (l = toplevels; l != NULL; l = l->next)
|
||
{
|
||
GdkWindow *window = l->data;
|
||
|
||
_gdk_x11_window_set_window_scale (window, scale);
|
||
}
|
||
|
||
g_signal_emit_by_name (GDK_SCREEN (x11_screen), "monitors-changed");
|
||
}
|
||
|
||
/*
|
||
* It is important that we first request the selection
|
||
* notification, and then setup the initial state of
|
||
* is_composited to avoid a race condition here.
|
||
*/
|
||
void
|
||
_gdk_x11_screen_setup (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
gdk_display_request_selection_notification (x11_screen->display,
|
||
gdk_x11_xatom_to_atom_for_display (x11_screen->display, get_cm_atom (x11_screen)));
|
||
x11_screen->is_composited = check_is_composited (x11_screen->display, x11_screen);
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_screen_is_composited (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
return x11_screen->is_composited;
|
||
}
|
||
|
||
static void
|
||
init_randr_support (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
/* NB: This is also needed for XSettings, so don't remove. */
|
||
XSelectInput (GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->xroot_window,
|
||
StructureNotifyMask);
|
||
|
||
#ifdef HAVE_RANDR
|
||
if (!GDK_X11_DISPLAY (gdk_screen_get_display (screen))->have_randr12)
|
||
return;
|
||
|
||
XRRSelectInput (GDK_SCREEN_XDISPLAY (screen),
|
||
x11_screen->xroot_window,
|
||
RRScreenChangeNotifyMask
|
||
| RRCrtcChangeNotifyMask
|
||
| RROutputPropertyNotifyMask);
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
process_monitors_change (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
gint n_monitors;
|
||
gint primary_monitor;
|
||
GdkX11Monitor *monitors;
|
||
gboolean changed;
|
||
|
||
primary_monitor = x11_screen->primary_monitor;
|
||
n_monitors = x11_screen->n_monitors;
|
||
monitors = x11_screen->monitors;
|
||
|
||
x11_screen->n_monitors = 0;
|
||
x11_screen->monitors = NULL;
|
||
|
||
init_multihead (screen);
|
||
|
||
changed =
|
||
!compare_monitors (monitors, n_monitors,
|
||
x11_screen->monitors, x11_screen->n_monitors) ||
|
||
x11_screen->primary_monitor != primary_monitor;
|
||
|
||
free_monitors (monitors, n_monitors);
|
||
|
||
if (changed)
|
||
{
|
||
update_bounding_box (screen);
|
||
g_signal_emit_by_name (screen, "monitors-changed");
|
||
}
|
||
}
|
||
|
||
void
|
||
_gdk_x11_screen_size_changed (GdkScreen *screen,
|
||
XEvent *event)
|
||
{
|
||
gint width, height;
|
||
#ifdef HAVE_RANDR
|
||
GdkX11Display *display_x11;
|
||
#endif
|
||
|
||
width = gdk_screen_get_width (screen);
|
||
height = gdk_screen_get_height (screen);
|
||
|
||
#ifdef HAVE_RANDR
|
||
display_x11 = GDK_X11_DISPLAY (gdk_screen_get_display (screen));
|
||
|
||
if (display_x11->have_randr13 && event->type == ConfigureNotify)
|
||
return;
|
||
|
||
XRRUpdateConfiguration (event);
|
||
#else
|
||
if (event->type == ConfigureNotify)
|
||
{
|
||
XConfigureEvent *rcevent = (XConfigureEvent *) event;
|
||
Screen *xscreen = gdk_x11_screen_get_xscreen (screen);
|
||
|
||
xscreen->width = rcevent->width;
|
||
xscreen->height = rcevent->height;
|
||
}
|
||
else
|
||
return;
|
||
#endif
|
||
|
||
process_monitors_change (screen);
|
||
|
||
if (width != gdk_screen_get_width (screen) ||
|
||
height != gdk_screen_get_height (screen))
|
||
g_signal_emit_by_name (screen, "size-changed");
|
||
}
|
||
|
||
void
|
||
_gdk_x11_screen_window_manager_changed (GdkScreen *screen)
|
||
{
|
||
g_signal_emit (screen, signals[WINDOW_MANAGER_CHANGED], 0);
|
||
}
|
||
|
||
void
|
||
_gdk_x11_screen_process_owner_change (GdkScreen *screen,
|
||
XEvent *event)
|
||
{
|
||
#ifdef HAVE_XFIXES
|
||
XFixesSelectionNotifyEvent *selection_event = (XFixesSelectionNotifyEvent *)event;
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
|
||
if (selection_event->selection == get_cm_atom (x11_screen))
|
||
{
|
||
gboolean composited = selection_event->owner != None;
|
||
|
||
if (composited != x11_screen->is_composited)
|
||
{
|
||
x11_screen->is_composited = composited;
|
||
|
||
g_signal_emit_by_name (screen, "composited-changed");
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
|
||
static gchar *
|
||
substitute_screen_number (const gchar *display_name,
|
||
gint screen_number)
|
||
{
|
||
GString *str;
|
||
gchar *p;
|
||
|
||
str = g_string_new (display_name);
|
||
|
||
p = strrchr (str->str, '.');
|
||
if (p && p > strchr (str->str, ':'))
|
||
g_string_truncate (str, p - str->str);
|
||
|
||
g_string_append_printf (str, ".%d", screen_number);
|
||
|
||
return g_string_free (str, FALSE);
|
||
}
|
||
|
||
static gchar *
|
||
gdk_x11_screen_make_display_name (GdkScreen *screen)
|
||
{
|
||
const gchar *old_display;
|
||
|
||
old_display = gdk_display_get_name (gdk_screen_get_display (screen));
|
||
|
||
return substitute_screen_number (old_display,
|
||
gdk_screen_get_number (screen));
|
||
}
|
||
|
||
static GdkWindow *
|
||
gdk_x11_screen_get_active_window (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
GdkWindow *ret = NULL;
|
||
Atom type_return;
|
||
gint format_return;
|
||
gulong nitems_return;
|
||
gulong bytes_after_return;
|
||
guchar *data = NULL;
|
||
|
||
if (!gdk_x11_screen_supports_net_wm_hint (screen,
|
||
gdk_atom_intern_static_string ("_NET_ACTIVE_WINDOW")))
|
||
return NULL;
|
||
|
||
if (XGetWindowProperty (x11_screen->xdisplay, x11_screen->xroot_window,
|
||
gdk_x11_get_xatom_by_name_for_display (x11_screen->display,
|
||
"_NET_ACTIVE_WINDOW"),
|
||
0, 1, False, XA_WINDOW, &type_return,
|
||
&format_return, &nitems_return,
|
||
&bytes_after_return, &data)
|
||
== Success)
|
||
{
|
||
if ((type_return == XA_WINDOW) && (format_return == 32) && (data))
|
||
{
|
||
Window window = *(Window *) data;
|
||
|
||
if (window != None)
|
||
{
|
||
ret = gdk_x11_window_foreign_new_for_display (x11_screen->display,
|
||
window);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (data)
|
||
XFree (data);
|
||
|
||
return ret;
|
||
}
|
||
|
||
static GList *
|
||
gdk_x11_screen_get_window_stack (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
GList *ret = NULL;
|
||
Atom type_return;
|
||
gint format_return;
|
||
gulong nitems_return;
|
||
gulong bytes_after_return;
|
||
guchar *data = NULL;
|
||
|
||
if (!gdk_x11_screen_supports_net_wm_hint (screen,
|
||
gdk_atom_intern_static_string ("_NET_CLIENT_LIST_STACKING")))
|
||
return NULL;
|
||
|
||
if (XGetWindowProperty (x11_screen->xdisplay, x11_screen->xroot_window,
|
||
gdk_x11_get_xatom_by_name_for_display (x11_screen->display,
|
||
"_NET_CLIENT_LIST_STACKING"),
|
||
0, G_MAXLONG, False, XA_WINDOW, &type_return,
|
||
&format_return, &nitems_return,
|
||
&bytes_after_return, &data)
|
||
== Success)
|
||
{
|
||
if ((type_return == XA_WINDOW) && (format_return == 32) &&
|
||
(data) && (nitems_return > 0))
|
||
{
|
||
gulong *stack = (gulong *) data;
|
||
GdkWindow *win;
|
||
int i;
|
||
|
||
for (i = 0; i < nitems_return; i++)
|
||
{
|
||
win = gdk_x11_window_foreign_new_for_display (x11_screen->display,
|
||
(Window)stack[i]);
|
||
|
||
if (win != NULL)
|
||
ret = g_list_append (ret, win);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (data)
|
||
XFree (data);
|
||
|
||
return ret;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_screen_get_setting (GdkScreen *screen,
|
||
const gchar *name,
|
||
GValue *value)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
const GValue *setting;
|
||
|
||
if (x11_screen->xsettings == NULL)
|
||
goto out;
|
||
setting = g_hash_table_lookup (x11_screen->xsettings, name);
|
||
if (setting == NULL)
|
||
goto out;
|
||
|
||
if (!g_value_type_transformable (G_VALUE_TYPE (setting), G_VALUE_TYPE (value)))
|
||
{
|
||
g_warning ("Cannot transform xsetting %s of type %s to type %s\n",
|
||
name,
|
||
g_type_name (G_VALUE_TYPE (setting)),
|
||
g_type_name (G_VALUE_TYPE (value)));
|
||
goto out;
|
||
}
|
||
|
||
g_value_transform (setting, value);
|
||
|
||
return TRUE;
|
||
|
||
out:
|
||
return _gdk_x11_get_xft_setting (screen, name, value);
|
||
}
|
||
|
||
static void
|
||
cleanup_atoms(gpointer data)
|
||
{
|
||
NetWmSupportedAtoms *supported_atoms = data;
|
||
if (supported_atoms->atoms)
|
||
XFree (supported_atoms->atoms);
|
||
g_free (supported_atoms);
|
||
}
|
||
|
||
static Window
|
||
get_net_supporting_wm_check (GdkX11Screen *screen,
|
||
Window window)
|
||
{
|
||
GdkDisplay *display;
|
||
Atom type;
|
||
gint format;
|
||
gulong n_items;
|
||
gulong bytes_after;
|
||
guchar *data;
|
||
Window value;
|
||
|
||
display = screen->display;
|
||
type = None;
|
||
data = NULL;
|
||
value = None;
|
||
|
||
gdk_x11_display_error_trap_push (display);
|
||
XGetWindowProperty (screen->xdisplay, window,
|
||
gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTING_WM_CHECK"),
|
||
0, G_MAXLONG, False, XA_WINDOW, &type, &format,
|
||
&n_items, &bytes_after, &data);
|
||
gdk_x11_display_error_trap_pop_ignored (display);
|
||
|
||
if (type == XA_WINDOW)
|
||
value = *(Window *)data;
|
||
|
||
if (data)
|
||
XFree (data);
|
||
|
||
return value;
|
||
}
|
||
|
||
static void
|
||
fetch_net_wm_check_window (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen;
|
||
GdkDisplay *display;
|
||
Window window;
|
||
GTimeVal tv;
|
||
gint error;
|
||
|
||
x11_screen = GDK_X11_SCREEN (screen);
|
||
display = x11_screen->display;
|
||
|
||
g_return_if_fail (GDK_X11_DISPLAY (display)->trusted_client);
|
||
|
||
if (x11_screen->wmspec_check_window != None)
|
||
return; /* already have it */
|
||
|
||
g_get_current_time (&tv);
|
||
|
||
if (ABS (tv.tv_sec - x11_screen->last_wmspec_check_time) < 15)
|
||
return; /* we've checked recently */
|
||
|
||
window = get_net_supporting_wm_check (x11_screen, x11_screen->xroot_window);
|
||
if (window == None)
|
||
return;
|
||
|
||
if (window != get_net_supporting_wm_check (x11_screen, window))
|
||
return;
|
||
|
||
gdk_x11_display_error_trap_push (display);
|
||
|
||
/* Find out if this WM goes away, so we can reset everything. */
|
||
XSelectInput (x11_screen->xdisplay, window, StructureNotifyMask);
|
||
|
||
error = gdk_x11_display_error_trap_pop (display);
|
||
if (!error)
|
||
{
|
||
/* We check the window property again because after XGetWindowProperty()
|
||
* and before XSelectInput() the window may have been recycled in such a
|
||
* way that XSelectInput() doesn't fail but the window is no longer what
|
||
* we want.
|
||
*/
|
||
if (window != get_net_supporting_wm_check (x11_screen, window))
|
||
return;
|
||
|
||
x11_screen->wmspec_check_window = window;
|
||
x11_screen->last_wmspec_check_time = tv.tv_sec;
|
||
x11_screen->need_refetch_net_supported = TRUE;
|
||
x11_screen->need_refetch_wm_name = TRUE;
|
||
|
||
/* Careful, reentrancy */
|
||
_gdk_x11_screen_window_manager_changed (screen);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_supports_net_wm_hint:
|
||
* @screen: (type GdkX11Screen): the relevant #GdkScreen.
|
||
* @property: a property atom.
|
||
*
|
||
* This function is specific to the X11 backend of GDK, and indicates
|
||
* whether the window manager supports a certain hint from the
|
||
* [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec) specification.
|
||
*
|
||
* When using this function, keep in mind that the window manager
|
||
* can change over time; so you shouldn’t use this function in
|
||
* a way that impacts persistent application state. A common bug
|
||
* is that your application can start up before the window manager
|
||
* does when the user logs in, and before the window manager starts
|
||
* gdk_x11_screen_supports_net_wm_hint() will return %FALSE for every property.
|
||
* You can monitor the window_manager_changed signal on #GdkScreen to detect
|
||
* a window manager change.
|
||
*
|
||
* Returns: %TRUE if the window manager supports @property
|
||
*
|
||
* Since: 2.2
|
||
**/
|
||
gboolean
|
||
gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen,
|
||
GdkAtom property)
|
||
{
|
||
gulong i;
|
||
GdkX11Screen *x11_screen;
|
||
NetWmSupportedAtoms *supported_atoms;
|
||
GdkDisplay *display;
|
||
Atom atom;
|
||
|
||
g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
|
||
|
||
x11_screen = GDK_X11_SCREEN (screen);
|
||
display = x11_screen->display;
|
||
|
||
if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
|
||
return FALSE;
|
||
|
||
supported_atoms = g_object_get_data (G_OBJECT (screen), "gdk-net-wm-supported-atoms");
|
||
if (!supported_atoms)
|
||
{
|
||
supported_atoms = g_new0 (NetWmSupportedAtoms, 1);
|
||
g_object_set_data_full (G_OBJECT (screen), "gdk-net-wm-supported-atoms", supported_atoms, cleanup_atoms);
|
||
}
|
||
|
||
fetch_net_wm_check_window (screen);
|
||
|
||
if (x11_screen->wmspec_check_window == None)
|
||
return FALSE;
|
||
|
||
if (x11_screen->need_refetch_net_supported)
|
||
{
|
||
/* WM has changed since we last got the supported list,
|
||
* refetch it.
|
||
*/
|
||
Atom type;
|
||
gint format;
|
||
gulong bytes_after;
|
||
|
||
x11_screen->need_refetch_net_supported = FALSE;
|
||
|
||
if (supported_atoms->atoms)
|
||
XFree (supported_atoms->atoms);
|
||
|
||
supported_atoms->atoms = NULL;
|
||
supported_atoms->n_atoms = 0;
|
||
|
||
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), x11_screen->xroot_window,
|
||
gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTED"),
|
||
0, G_MAXLONG, False, XA_ATOM, &type, &format,
|
||
&supported_atoms->n_atoms, &bytes_after,
|
||
(guchar **)&supported_atoms->atoms);
|
||
|
||
if (type != XA_ATOM)
|
||
return FALSE;
|
||
}
|
||
|
||
if (supported_atoms->atoms == NULL)
|
||
return FALSE;
|
||
|
||
atom = gdk_x11_atom_to_xatom_for_display (display, property);
|
||
|
||
for (i = 0; i < supported_atoms->n_atoms; i++)
|
||
{
|
||
if (supported_atoms->atoms[i] == atom)
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_get_window_manager_name:
|
||
* @screen: (type GdkX11Screen): a #GdkScreen
|
||
*
|
||
* Returns the name of the window manager for @screen.
|
||
*
|
||
* Returns: the name of the window manager screen @screen, or
|
||
* "unknown" if the window manager is unknown. The string is owned by GDK
|
||
* and should not be freed.
|
||
*
|
||
* Since: 2.2
|
||
**/
|
||
const char*
|
||
gdk_x11_screen_get_window_manager_name (GdkScreen *screen)
|
||
{
|
||
GdkX11Screen *x11_screen;
|
||
GdkDisplay *display;
|
||
|
||
x11_screen = GDK_X11_SCREEN (screen);
|
||
display = x11_screen->display;
|
||
|
||
if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
|
||
return x11_screen->window_manager_name;
|
||
|
||
fetch_net_wm_check_window (screen);
|
||
|
||
if (x11_screen->need_refetch_wm_name)
|
||
{
|
||
/* Get the name of the window manager */
|
||
x11_screen->need_refetch_wm_name = FALSE;
|
||
|
||
g_free (x11_screen->window_manager_name);
|
||
x11_screen->window_manager_name = g_strdup ("unknown");
|
||
|
||
if (x11_screen->wmspec_check_window != None)
|
||
{
|
||
Atom type;
|
||
gint format;
|
||
gulong n_items;
|
||
gulong bytes_after;
|
||
gchar *name;
|
||
|
||
name = NULL;
|
||
|
||
gdk_x11_display_error_trap_push (display);
|
||
|
||
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
|
||
x11_screen->wmspec_check_window,
|
||
gdk_x11_get_xatom_by_name_for_display (display,
|
||
"_NET_WM_NAME"),
|
||
0, G_MAXLONG, False,
|
||
gdk_x11_get_xatom_by_name_for_display (display,
|
||
"UTF8_STRING"),
|
||
&type, &format,
|
||
&n_items, &bytes_after,
|
||
(guchar **)&name);
|
||
|
||
gdk_x11_display_error_trap_pop_ignored (display);
|
||
|
||
if (name != NULL)
|
||
{
|
||
g_free (x11_screen->window_manager_name);
|
||
x11_screen->window_manager_name = g_strdup (name);
|
||
XFree (name);
|
||
}
|
||
}
|
||
}
|
||
|
||
return GDK_X11_SCREEN (screen)->window_manager_name;
|
||
}
|
||
|
||
static void
|
||
gdk_x11_screen_class_init (GdkX11ScreenClass *klass)
|
||
{
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
GdkScreenClass *screen_class = GDK_SCREEN_CLASS (klass);
|
||
|
||
object_class->dispose = gdk_x11_screen_dispose;
|
||
object_class->finalize = gdk_x11_screen_finalize;
|
||
|
||
screen_class->get_display = gdk_x11_screen_get_display;
|
||
screen_class->get_width = gdk_x11_screen_get_width;
|
||
screen_class->get_height = gdk_x11_screen_get_height;
|
||
screen_class->get_width_mm = gdk_x11_screen_get_width_mm;
|
||
screen_class->get_height_mm = gdk_x11_screen_get_height_mm;
|
||
screen_class->get_number = gdk_x11_screen_get_number;
|
||
screen_class->get_root_window = gdk_x11_screen_get_root_window;
|
||
screen_class->get_n_monitors = gdk_x11_screen_get_n_monitors;
|
||
screen_class->get_primary_monitor = gdk_x11_screen_get_primary_monitor;
|
||
screen_class->get_monitor_width_mm = gdk_x11_screen_get_monitor_width_mm;
|
||
screen_class->get_monitor_height_mm = gdk_x11_screen_get_monitor_height_mm;
|
||
screen_class->get_monitor_plug_name = gdk_x11_screen_get_monitor_plug_name;
|
||
screen_class->get_monitor_geometry = gdk_x11_screen_get_monitor_geometry;
|
||
screen_class->get_monitor_workarea = gdk_x11_screen_get_monitor_workarea;
|
||
screen_class->get_monitor_scale_factor = gdk_x11_screen_get_monitor_scale_factor;
|
||
screen_class->get_system_visual = _gdk_x11_screen_get_system_visual;
|
||
screen_class->get_rgba_visual = gdk_x11_screen_get_rgba_visual;
|
||
screen_class->is_composited = gdk_x11_screen_is_composited;
|
||
screen_class->make_display_name = gdk_x11_screen_make_display_name;
|
||
screen_class->get_active_window = gdk_x11_screen_get_active_window;
|
||
screen_class->get_window_stack = gdk_x11_screen_get_window_stack;
|
||
screen_class->get_setting = gdk_x11_screen_get_setting;
|
||
screen_class->visual_get_best_depth = _gdk_x11_screen_visual_get_best_depth;
|
||
screen_class->visual_get_best_type = _gdk_x11_screen_visual_get_best_type;
|
||
screen_class->visual_get_best = _gdk_x11_screen_visual_get_best;
|
||
screen_class->visual_get_best_with_depth = _gdk_x11_screen_visual_get_best_with_depth;
|
||
screen_class->visual_get_best_with_type = _gdk_x11_screen_visual_get_best_with_type;
|
||
screen_class->visual_get_best_with_both = _gdk_x11_screen_visual_get_best_with_both;
|
||
screen_class->query_depths = _gdk_x11_screen_query_depths;
|
||
screen_class->query_visual_types = _gdk_x11_screen_query_visual_types;
|
||
screen_class->list_visuals = _gdk_x11_screen_list_visuals;
|
||
|
||
signals[WINDOW_MANAGER_CHANGED] =
|
||
g_signal_new (g_intern_static_string ("window-manager-changed"),
|
||
G_OBJECT_CLASS_TYPE (object_class),
|
||
G_SIGNAL_RUN_LAST,
|
||
G_STRUCT_OFFSET (GdkX11ScreenClass, window_manager_changed),
|
||
NULL, NULL,
|
||
g_cclosure_marshal_VOID__VOID,
|
||
G_TYPE_NONE,
|
||
0);
|
||
}
|
||
|
||
static guint32
|
||
get_netwm_cardinal_property (GdkScreen *screen,
|
||
const gchar *name)
|
||
{
|
||
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
|
||
GdkAtom atom;
|
||
guint32 prop = 0;
|
||
Atom type;
|
||
gint format;
|
||
gulong nitems;
|
||
gulong bytes_after;
|
||
guchar *data;
|
||
|
||
atom = gdk_atom_intern_static_string (name);
|
||
|
||
if (!gdk_x11_screen_supports_net_wm_hint (screen, atom))
|
||
return 0;
|
||
|
||
XGetWindowProperty (x11_screen->xdisplay,
|
||
x11_screen->xroot_window,
|
||
gdk_x11_get_xatom_by_name_for_display (GDK_SCREEN_DISPLAY (screen), name),
|
||
0, G_MAXLONG,
|
||
False, XA_CARDINAL, &type, &format, &nitems,
|
||
&bytes_after, &data);
|
||
if (type == XA_CARDINAL)
|
||
{
|
||
prop = *(gulong *)data;
|
||
XFree (data);
|
||
}
|
||
|
||
return prop;
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_get_number_of_desktops:
|
||
* @screen: (type GdkX11Screen): a #GdkScreen
|
||
*
|
||
* Returns the number of workspaces for @screen when running under a
|
||
* window manager that supports multiple workspaces, as described
|
||
* in the
|
||
* [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec) specification.
|
||
*
|
||
* Returns: the number of workspaces, or 0 if workspaces are not supported
|
||
*
|
||
* Since: 3.10
|
||
*/
|
||
guint32
|
||
gdk_x11_screen_get_number_of_desktops (GdkScreen *screen)
|
||
{
|
||
return get_netwm_cardinal_property (screen, "_NET_NUMBER_OF_DESKTOPS");
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_screen_get_current_desktop:
|
||
* @screen: (type GdkX11Screen): a #GdkScreen
|
||
*
|
||
* Returns the current workspace for @screen when running under a
|
||
* window manager that supports multiple workspaces, as described
|
||
* in the
|
||
* [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec) specification.
|
||
*
|
||
* Returns: the current workspace, or 0 if workspaces are not supported
|
||
*
|
||
* Since: 3.10
|
||
*/
|
||
guint32
|
||
gdk_x11_screen_get_current_desktop (GdkScreen *screen)
|
||
{
|
||
return get_netwm_cardinal_property (screen, "_NET_CURRENT_DESKTOP");
|
||
}
|