forked from AuroraMiddleware/gtk
46d2f38b8d
Thu Aug 8 23:26:05 2002 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkmain-x11.c gdk/x11/gdkscreen-x11.c: Remove
explicit calls to pango_x/xft_shutdown_display() since
Pango now does it by itself on XCloseDisplay().
486 lines
12 KiB
C
486 lines
12 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, 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 <glib.h>
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#include "gdkscreen.h"
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#include "gdkscreen-x11.h"
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#include "gdkdisplay.h"
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#include "gdkdisplay-x11.h"
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#include "gdkx.h"
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#ifdef HAVE_XFT
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#include <pango/pangoxft.h>
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#endif
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#include <pango/pangox.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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static void gdk_screen_x11_class_init (GdkScreenX11Class *klass);
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static void gdk_screen_x11_dispose (GObject *object);
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static void gdk_screen_x11_finalize (GObject *object);
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static void init_xinerama_support (GdkScreen *screen);
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static gpointer parent_class = NULL;
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GType
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_gdk_screen_x11_get_type ()
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{
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static GType object_type = 0;
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if (!object_type)
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{
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static const GTypeInfo object_info =
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{
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sizeof (GdkScreenX11Class),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) gdk_screen_x11_finalize,
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(GClassInitFunc) gdk_screen_x11_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkScreenX11),
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0, /* n_preallocs */
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(GInstanceInitFunc) NULL,
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};
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object_type = g_type_register_static (GDK_TYPE_SCREEN,
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"GdkScreenX11",
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&object_info, 0);
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}
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return object_type;
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}
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void
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gdk_screen_x11_class_init (GdkScreenX11Class *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = gdk_screen_x11_dispose;
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object_class->finalize = gdk_screen_x11_finalize;
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parent_class = g_type_class_peek_parent (klass);
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}
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/**
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* gdk_screen_get_display:
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* @screen: a #GdkScreen
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*
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* Gets the display to which the @screen belongs.
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*
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* Returns: the display to which @screen belongs
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**/
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GdkDisplay *
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gdk_screen_get_display (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return GDK_SCREEN_X11 (screen)->display;
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}
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/**
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* gdk_screen_get_width:
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* @screen: a #GdkScreen
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*
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* Gets the width of @screen in pixels
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*
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* Returns: the width of @screen in pixels.
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**/
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gint
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gdk_screen_get_width (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return WidthOfScreen (GDK_SCREEN_X11 (screen)->xscreen);
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}
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/**
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* gdk_screen_get_height:
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* @screen: a #GdkScreen
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*
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* Gets the height of @screen in pixels
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*
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* Returns: the height of @screen in pixels.
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**/
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gint
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gdk_screen_get_height (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return HeightOfScreen (GDK_SCREEN_X11 (screen)->xscreen);
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}
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/**
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* gdk_screen_get_width_mm:
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* @screen: a #GdkScreen
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*
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* Gets the width of @screen in millimeters.
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* Note that on some X servers this value will not be correct.
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*
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* Returns: the width of @screen in pixels.
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**/
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gint
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gdk_screen_get_width_mm (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return WidthMMOfScreen (GDK_SCREEN_X11 (screen)->xscreen);
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}
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/**
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* gdk_screen_get_height_mm:
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* @screen: a #GdkScreen
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*
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* Returns the height of @screen in millimeters.
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* Note that on some X servers this value will not be correct.
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*
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* Returns: the heigth of @screen in pixels.
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**/
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gint
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gdk_screen_get_height_mm (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return HeightMMOfScreen (GDK_SCREEN_X11 (screen)->xscreen);
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}
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/**
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* gdk_screen_get_number:
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* @screen: a #GdkScreen
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*
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* Gets the index of @screen among the screens in the display
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* to which it belongs. (See gdk_screen_get_display())
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*
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* Returns: the index
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**/
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gint
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gdk_screen_get_number (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return GDK_SCREEN_X11 (screen)->screen_num;
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}
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/**
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* gdk_screen_get_root_window:
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* @screen: a #GdkScreen
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*
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* Gets the root window of @screen.
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*
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* Returns: the root window
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**/
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GdkWindow *
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gdk_screen_get_root_window (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return GDK_SCREEN_X11 (screen)->root_window;
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}
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/**
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* gdk_screen_get_default_colormap:
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* @screen: a #GdkScreen
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*
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* Gets the default colormap for @screen.
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*
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* Returns: the default #GdkColormap.
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**/
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GdkColormap *
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gdk_screen_get_default_colormap (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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return GDK_SCREEN_X11 (screen)->default_colormap;
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}
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/**
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* gdk_screen_set_default_colormap:
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* @screen: a #GdkScreen
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* @colormap: a #GdkColormap
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*
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* Sets the default @colormap for @screen.
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**/
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void
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gdk_screen_set_default_colormap (GdkScreen *screen,
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GdkColormap *colormap)
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{
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g_return_if_fail (GDK_IS_SCREEN (screen));
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g_return_if_fail (GDK_IS_COLORMAP (colormap));
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GDK_SCREEN_X11 (screen)->default_colormap = colormap;
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}
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static void
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gdk_screen_x11_dispose (GObject *object)
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{
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GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (object);
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_gdk_x11_events_uninit_screen (GDK_SCREEN (object));
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screen_x11->root_window = NULL;
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screen_x11->xdisplay = NULL;
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screen_x11->xscreen = NULL;
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screen_x11->screen_num = -1;
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screen_x11->xroot_window = None;
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screen_x11->wmspec_check_window = None;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gdk_screen_x11_finalize (GObject *object)
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{
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GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (object);
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/* int i; */
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g_object_unref (G_OBJECT (screen_x11->root_window));
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/* Visual Part (Need to implement finalize for Visuals for a clean
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* finalize) */
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/* for (i=0;i<screen_x11->nvisuals;i++)
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g_object_unref (G_OBJECT (screen_x11->visuals[i]));*/
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g_free (screen_x11->visuals);
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g_hash_table_destroy (screen_x11->visual_hash);
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/* X settings */
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g_free (screen_x11->xsettings_client);
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g_free (screen_x11->monitors);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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/**
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* gdk_screen_get_n_monitors:
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* @screen : a #GdkScreen.
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*
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* Returns the number of monitors being part of the virtual screen
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*
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* Returns: number of monitors part of the virtual screen or
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* 0 if @screen is not in virtual screen mode.
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**/
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gint
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gdk_screen_get_n_monitors (GdkScreen *screen)
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{
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g_return_val_if_fail (GDK_IS_SCREEN (screen), 0);
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return GDK_SCREEN_X11 (screen)->num_monitors;
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}
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/**
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* gdk_screen_get_monitor_geometry:
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* @screen : a #GdkScreen.
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* @monitor_num: the monitor number.
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* @dest : a #GdkRectangle to be filled with the monitor geometry
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*
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* Retrieves the #GdkRectangle representing the size and start
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* coordinates of the individual monitor within the the entire virtual
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* screen.
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*
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* Note that the virtual screen coordinates can be retrieved via
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* gdk_screen_get_width() and gdk_screen_get_height().
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*
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**/
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void
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gdk_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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g_return_if_fail (GDK_IS_SCREEN (screen));
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g_return_if_fail (monitor_num < GDK_SCREEN_X11 (screen)->num_monitors);
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*dest = GDK_SCREEN_X11 (screen)->monitors[monitor_num];
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}
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/**
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* gdk_x11_screen_get_xscreen:
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* @screen: a #GdkScreen.
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* @returns: an Xlib <type>Screen*</type>
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*
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* Returns the screen of a #GdkScreen.
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*/
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Screen *
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gdk_x11_screen_get_xscreen (GdkScreen *screen)
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{
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return GDK_SCREEN_X11 (screen)->xscreen;
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}
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/**
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* gdk_x11_screen_get_screen_number:
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* @screen: a #GdkScreen.
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* @returns: the position of @screen among the screens of
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* its display.
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*
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* Returns the index of a #GdkScreen.
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*/
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int
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gdk_x11_screen_get_screen_number (GdkScreen *screen)
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{
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return GDK_SCREEN_X11 (screen)->screen_num;
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}
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GdkScreen *
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_gdk_x11_screen_new (GdkDisplay *display,
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gint screen_number)
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{
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GdkScreen *screen;
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GdkScreenX11 *screen_x11;
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GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
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screen = g_object_new (GDK_TYPE_SCREEN_X11, NULL);
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screen_x11 = GDK_SCREEN_X11 (screen);
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screen_x11->display = display;
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screen_x11->xdisplay = display_x11->xdisplay;
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screen_x11->xscreen = ScreenOfDisplay (display_x11->xdisplay, screen_number);
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screen_x11->screen_num = screen_number;
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screen_x11->xroot_window = RootWindow (display_x11->xdisplay,screen_number);
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screen_x11->wmspec_check_window = None;
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init_xinerama_support (screen);
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_gdk_visual_init (screen);
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_gdk_windowing_window_init (screen);
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return screen;
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}
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#ifdef HAVE_XINERAMA
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static gboolean
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check_solaris_xinerama (GdkScreen *screen)
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{
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#ifdef HAVE_SOLARIS_XINERAMA
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if (XineramaGetState (GDK_SCREEN_XDISPLAY (screen),
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gdk_screen_get_number (screen)))
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{
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XRectangle monitors[MAXFRAMEBUFFERS];
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unsigned char hints[16];
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gint result;
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GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
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result = XineramaGetInfo (GDK_SCREEN_XDISPLAY (screen),
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gdk_screen_get_number (screen),
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monitors, hints,
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&screen_x11->num_monitors);
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/* Yes I know it should be Success but the current implementation
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returns the num of monitor*/
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if (result == 0)
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{
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/* FIXME: We need to trap errors, since XINERAMA isn't always XINERAMA.
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*/
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g_error ("error while retrieving Xinerama information");
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}
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else
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{
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int i;
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screen_x11->monitors = g_new0 (GdkRectangle, screen_x11->num_monitors);
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for (i = 0; i < screen_x11->num_monitors; i++)
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{
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screen_x11->monitors[i].x = monitors[i].x;
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screen_x11->monitors[i].y = monitors[i].y;
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screen_x11->monitors[i].width = monitors[i].width;
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screen_x11->monitors[i].height = monitors[i].height;
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}
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return TRUE;
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}
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}
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#endif /* HAVE_SOLARIS_XINERAMA */
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return FALSE;
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}
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static gboolean
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check_xfree_xinerama (GdkScreen *screen)
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{
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#ifdef HAVE_XFREE_XINERAMA
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if (XineramaIsActive (GDK_SCREEN_XDISPLAY (screen)))
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{
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GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
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XineramaScreenInfo *monitors = XineramaQueryScreens (GDK_SCREEN_XDISPLAY (screen),
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&screen_x11->num_monitors);
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if (screen_x11->num_monitors <= 0)
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{
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/* FIXME: We need to trap errors, since XINERAMA isn't always XINERAMA.
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* I don't think the num_monitors <= 0 check has any validity.
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*/
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g_error ("error while retrieving Xinerama information");
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}
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else
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{
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int i;
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screen_x11->monitors = g_new0 (GdkRectangle, screen_x11->num_monitors);
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for (i = 0; i < screen_x11->num_monitors; i++)
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{
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screen_x11->monitors[i].x = monitors[i].x_org;
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screen_x11->monitors[i].y = monitors[i].y_org;
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screen_x11->monitors[i].width = monitors[i].width;
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screen_x11->monitors[i].height = monitors[i].height;
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}
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XFree (monitors);
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return TRUE;
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}
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}
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#endif /* HAVE_XFREE_XINERAMA */
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return FALSE;
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}
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#endif /* HAVE_XINERAMA */
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static void
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init_xinerama_support (GdkScreen * screen)
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{
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GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (screen);
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#ifdef HAVE_XINERAMA
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int opcode, firstevent, firsterror;
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gint result;
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if (XQueryExtension (GDK_SCREEN_XDISPLAY (screen), "XINERAMA",
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&opcode, &firstevent, &firsterror))
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{
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if (check_solaris_xinerama (screen) ||
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check_xfree_xinerama (screen))
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return;
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}
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#endif /* HAVE_XINERAMA */
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/* No Xinerama
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*/
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screen_x11->num_monitors = 1;
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screen_x11->monitors = g_new0 (GdkRectangle, 1);
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screen_x11->monitors[0].x = 0;
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screen_x11->monitors[0].y = 0;
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screen_x11->monitors[0].width = WidthOfScreen (screen_x11->xscreen);
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screen_x11->monitors[0].height = HeightOfScreen (screen_x11->xscreen);
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}
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