screen_win.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/screen_win.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/hash.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 1158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/strings/utf_string_conversions.h" 123551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "base/win/win_util.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/display.h" 14d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/gfx/win/dpi.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)MONITORINFOEX GetMonitorInfoForMonitor(HMONITOR monitor) { 1958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info; 2058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ZeroMemory(&monitor_info, sizeof(MONITORINFOEX)); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 223551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::win::GetMonitorInfoWrapper(monitor, &monitor_info); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return monitor_info; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)gfx::Display GetDisplay(MONITORINFOEX& monitor_info) { 2758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // TODO(oshima): Implement Observer. 2858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) int64 id = static_cast<int64>(base::Hash(WideToUTF8(monitor_info.szDevice))); 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect bounds = gfx::Rect(monitor_info.rcMonitor); 3058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Display display(id, bounds); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) display.set_work_area(gfx::Rect(monitor_info.rcWork)); 3258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) display.SetScaleAndBounds(gfx::win::GetDeviceScaleFactor(), bounds); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)BOOL CALLBACK EnumMonitorCallback(HMONITOR monitor, 3758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) HDC hdc, 3858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) LPRECT rect, 3958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) LPARAM data) { 4058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::vector<gfx::Display>* all_displays = 4158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) reinterpret_cast<std::vector<gfx::Display>*>(data); 4258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DCHECK(all_displays); 4358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 4458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info = GetMonitorInfoForMonitor(monitor); 4558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Display display = GetDisplay(monitor_info); 4658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) all_displays->push_back(display); 4758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return TRUE; 4858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 4958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::ScreenWin() { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::~ScreenWin() { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ScreenWin::IsDIPEnabled() { 6158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return IsInHighDPIMode(); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Point ScreenWin::GetCursorScreenPoint() { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT pt; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetCursorPos(&pt); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Point(pt); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 70424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)gfx::NativeWindow ScreenWin::GetWindowUnderCursor() { 71424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) POINT cursor_loc; 72424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) HWND hwnd = GetCursorPos(&cursor_loc) ? WindowFromPoint(cursor_loc) : NULL; 73424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return GetNativeWindowFromHWND(hwnd); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 76424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)gfx::NativeWindow ScreenWin::GetWindowAtScreenPoint(const gfx::Point& point) { 77424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return GetNativeWindowFromHWND(WindowFromPoint(point.ToPOINT())); 78424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)} 79424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 80424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)int ScreenWin::GetNumDisplays() const { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetSystemMetrics(SM_CMONITORS); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 84424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)std::vector<gfx::Display> ScreenWin::GetAllDisplays() const { 8558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::vector<gfx::Display> all_displays; 8658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) EnumDisplayMonitors(NULL, NULL, EnumMonitorCallback, 8758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) reinterpret_cast<LPARAM>(&all_displays)); 8858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return all_displays; 89424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)} 90424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestWindow(gfx::NativeView window) const { 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window_hwnd = GetHWNDFromNativeView(window); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!window_hwnd) { 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // When |window| isn't rooted to a display, we should just return the 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // default display so we get some correct display information like the 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // scaling factor. 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetPrimaryDisplay(); 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 1023551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::win::GetMonitorInfoWrapper( 1033551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) MonitorFromWindow(window_hwnd, MONITOR_DEFAULTTONEAREST), &monitor_info); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestPoint(const gfx::Point& point) const { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT initial_loc = { point.x(), point.y() }; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor = MonitorFromPoint(initial_loc, MONITOR_DEFAULTTONEAREST); 11058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX mi; 11158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ZeroMemory(&mi, sizeof(MONITORINFOEX)); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.cbSize = sizeof(mi); 1133551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (monitor && base::win::GetMonitorInfoWrapper(monitor, &mi)) { 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(mi); 1153551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Display(); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayMatching(const gfx::Rect& match_rect) const { 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT other_bounds_rect = match_rect.ToRECT(); 12158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info = GetMonitorInfoForMonitor(MonitorFromRect( 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &other_bounds_rect, MONITOR_DEFAULTTONEAREST)); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetPrimaryDisplay() const { 12758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX mi = GetMonitorInfoForMonitor( 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY)); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Display display = GetDisplay(mi); 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(kevers|girard): Test if these checks can be reintroduced for high-DIP 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // once more of the app is DIP-aware. 13258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!IsInHighDPIMode()) { 1337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CXSCREEN), display.size().width()); 1347d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CYSCREEN), display.size().height()); 1357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::AddObserver(DisplayObserver* observer) { 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::RemoveObserver(DisplayObserver* observer) { 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HWND ScreenWin::GetHWNDFromNativeView(NativeView window) const { 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return window; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // USE_AURA 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeWindow ScreenWin::GetNativeWindowFromHWND(HWND hwnd) const { 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return hwnd; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // USE_AURA 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(USE_AURA) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Screen* CreateNativeScreen() { 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new ScreenWin; 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // !USE_AURA 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 172