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// Copyright (c) 2012 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 <windows.h>
#include "base/logging.h"
#include "ui/gfx/monitor.h"
namespace {
MONITORINFO GetMonitorInfoForMonitor(HMONITOR monitor) {
MONITORINFO monitor_info = { 0 };
monitor_info.cbSize = sizeof(monitor_info);
GetMonitorInfo(monitor, &monitor_info);
return monitor_info;
}
gfx::Monitor GetMonitor(MONITORINFO& monitor_info) {
// TODO(oshima): Implement ID and Observer.
gfx::Monitor monitor(0, gfx::Rect(monitor_info.rcMonitor));
monitor.set_work_area(gfx::Rect(monitor_info.rcWork));
return monitor;
}
} // namespace
namespace gfx {
// static
gfx::Point Screen::GetCursorScreenPoint() {
POINT pt;
GetCursorPos(&pt);
return gfx::Point(pt);
}
// static
gfx::NativeWindow Screen::GetWindowAtCursorScreenPoint() {
POINT location;
return GetCursorPos(&location) ? WindowFromPoint(location) : NULL;
}
// static
int Screen::GetNumMonitors() {
return GetSystemMetrics(SM_CMONITORS);
}
// static
gfx::Monitor Screen::GetMonitorNearestWindow(gfx::NativeWindow window) {
MONITORINFO monitor_info;
monitor_info.cbSize = sizeof(monitor_info);
GetMonitorInfo(MonitorFromWindow(window, MONITOR_DEFAULTTONEAREST),
&monitor_info);
return GetMonitor(monitor_info);
}
// static
gfx::Monitor Screen::GetMonitorNearestPoint(const gfx::Point& point) {
POINT initial_loc = { point.x(), point.y() };
HMONITOR monitor = MonitorFromPoint(initial_loc, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = {0};
mi.cbSize = sizeof(mi);
if (monitor && GetMonitorInfo(monitor, &mi))
return GetMonitor(mi);
return gfx::Monitor();
}
// static
gfx::Monitor Screen::GetPrimaryMonitor() {
MONITORINFO mi = GetMonitorInfoForMonitor(
MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY));
gfx::Monitor monitor = GetMonitor(mi);
DCHECK_EQ(GetSystemMetrics(SM_CXSCREEN), monitor.size().width());
DCHECK_EQ(GetSystemMetrics(SM_CYSCREEN), monitor.size().height());
return monitor;
}
// static
gfx::Monitor Screen::GetMonitorMatching(const gfx::Rect& match_rect) {
RECT other_bounds_rect = match_rect.ToRECT();
MONITORINFO monitor_info = GetMonitorInfoForMonitor(MonitorFromRect(
&other_bounds_rect, MONITOR_DEFAULTTONEAREST));
return GetMonitor(monitor_info);
}
} // namespace gfx
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