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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/screen.h"
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "base/logging.h"
namespace gfx {
// static
gfx::Point Screen::GetCursorScreenPoint() {
gint x, y;
gdk_display_get_pointer(gdk_display_get_default(), NULL, &x, &y, NULL);
return gfx::Point(x, y);
}
// static
gfx::Rect Screen::GetMonitorWorkAreaNearestWindow(gfx::NativeView view) {
// Do not use the _NET_WORKAREA here, this is supposed to be an area on a
// specific monitor, and _NET_WORKAREA is a hint from the WM that generally
// spans across all monitors. This would make the work area larger than the
// monitor.
// TODO(danakj) This is a work-around as there is no standard way to get this
// area, but it is a rect that we should be computing. The standard means
// to compute this rect would be to watch all windows with
// _NET_WM_STRUT(_PARTIAL) hints, and subtract their space from the physical
// area of the monitor to construct a work area.
return GetMonitorAreaNearestWindow(view);
}
// static
gfx::Rect Screen::GetMonitorAreaNearestWindow(gfx::NativeView view) {
GdkScreen* screen = gdk_screen_get_default();
gint monitor_num = 0;
if (view) {
GtkWidget* top_level = gtk_widget_get_toplevel(view);
DCHECK(GTK_IS_WINDOW(top_level));
GtkWindow* window = GTK_WINDOW(top_level);
screen = gtk_window_get_screen(window);
monitor_num = gdk_screen_get_monitor_at_window(screen, top_level->window);
}
GdkRectangle bounds;
gdk_screen_get_monitor_geometry(screen, monitor_num, &bounds);
return gfx::Rect(bounds);
}
// static
gfx::Rect Screen::GetMonitorWorkAreaNearestPoint(const gfx::Point& point) {
// TODO(jamiewalch): Restrict this to the work area of the monitor.
return GetMonitorAreaNearestPoint(point);
}
// static
gfx::Rect Screen::GetMonitorAreaNearestPoint(const gfx::Point& point) {
GdkScreen* screen = gdk_screen_get_default();
gint monitor = gdk_screen_get_monitor_at_point(screen, point.x(), point.y());
GdkRectangle bounds;
gdk_screen_get_monitor_geometry(screen, monitor, &bounds);
return gfx::Rect(bounds);
}
// static
gfx::NativeWindow Screen::GetWindowAtCursorScreenPoint() {
GdkWindow* window = gdk_window_at_pointer(NULL, NULL);
if (!window)
return NULL;
gpointer data = NULL;
gdk_window_get_user_data(window, &data);
GtkWidget* widget = reinterpret_cast<GtkWidget*>(data);
if (!widget)
return NULL;
widget = gtk_widget_get_toplevel(widget);
return GTK_IS_WINDOW(widget) ? GTK_WINDOW(widget) : NULL;
}
// static
gfx::Size Screen::GetPrimaryMonitorSize() {
GdkScreen* screen = gdk_screen_get_default();
return gfx::Size(gdk_screen_get_width(screen), gdk_screen_get_height(screen));
}
// static
int Screen::GetNumMonitors() {
// This query is kinda bogus for Linux -- do we want number of X screens?
// The number of monitors Xinerama has? We'll just use whatever GDK uses.
GdkScreen* screen = gdk_screen_get_default();
return gdk_screen_get_n_monitors(screen);
}
} // namespace gfx
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