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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2008 Christian Dywan <christian@imendio.com>
* Copyright (C) 2008 Collabora Ltd.
* Copyright (C) 2009 Holger Hans Peter Freyther
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PlatformScreen.h"
#include "GtkVersioning.h"
#include "HostWindow.h"
#include "ScrollView.h"
#include "Widget.h"
#include <gtk/gtk.h>
#if PLATFORM(X11)
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#endif
namespace WebCore {
static GdkVisual* getVisual(Widget* widget)
{
if (!widget)
return 0;
GtkWidget* container = GTK_WIDGET(widget->root()->hostWindow()->platformPageClient());
if (!container)
return 0;
if (!gtk_widget_get_realized(container)) {
GtkWidget* toplevel = gtk_widget_get_toplevel(container);
if (gtk_widget_is_toplevel(toplevel))
container = toplevel;
else
return 0;
}
return gdk_window_get_visual(gtk_widget_get_window(container));
}
int screenDepth(Widget* widget)
{
GdkVisual* visual = getVisual(widget);
if (!visual)
return 24;
return gdk_visual_get_depth(visual);
}
int screenDepthPerComponent(Widget* widget)
{
GdkVisual* visual = getVisual(widget);
if (!visual)
return 8;
return gdk_visual_get_bits_per_rgb(visual);
}
bool screenIsMonochrome(Widget* widget)
{
return screenDepth(widget) < 2;
}
FloatRect screenRect(Widget* widget)
{
if (!widget)
return FloatRect();
GtkWidget* container = gtk_widget_get_toplevel(GTK_WIDGET(widget->root()->hostWindow()->platformPageClient()));
if (!gtk_widget_is_toplevel(container))
return FloatRect();
GdkScreen* screen = gtk_widget_has_screen(container) ? gtk_widget_get_screen(container) : gdk_screen_get_default();
if (!screen)
return FloatRect();
gint monitor = gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(GTK_WIDGET(container)));
GdkRectangle geometry;
gdk_screen_get_monitor_geometry(screen, monitor, &geometry);
return FloatRect(geometry.x, geometry.y, geometry.width, geometry.height);
}
FloatRect screenAvailableRect(Widget* widget)
{
if (!widget)
return FloatRect();
#if PLATFORM(X11)
GtkWidget* container = GTK_WIDGET(widget->root()->hostWindow()->platformPageClient());
if (!container)
return FloatRect();
if (!gtk_widget_get_realized(container))
return screenRect(widget);
GdkWindow* rootWindow = gtk_widget_get_root_window(container);
GdkDisplay* display = gdk_window_get_display(rootWindow);
Atom xproperty = gdk_x11_get_xatom_by_name_for_display(display, "_NET_WORKAREA");
Atom retType;
int retFormat;
long *workAreaPos = NULL;
unsigned long retNItems;
unsigned long retAfter;
int xRes = XGetWindowProperty(GDK_DISPLAY_XDISPLAY(display), GDK_WINDOW_XWINDOW(rootWindow), xproperty,
0, 4, FALSE, XA_CARDINAL, &retType, &retFormat, &retNItems, &retAfter, (guchar**)&workAreaPos);
FloatRect rect;
if (xRes == Success && workAreaPos != NULL && retType == XA_CARDINAL && retNItems == 4 && retFormat == 32) {
rect = FloatRect(workAreaPos[0], workAreaPos[1], workAreaPos[2], workAreaPos[3]);
// rect contains the available space in the whole screen not just in the monitor
// containing the widget, so we intersect it with the monitor rectangle.
rect.intersect(screenRect(widget));
} else
rect = screenRect(widget);
if (workAreaPos)
XFree(workAreaPos);
return rect;
#else
return screenRect(widget);
#endif
}
} // namespace WebCore
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