screen_win.cc revision 5c02ac1a9c1b504631c0a3d2b6e737b5d738bae1
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); 225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetMonitorInfo(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. 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int64 id = static_cast<int64>( 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Hash(base::WideToUTF8(monitor_info.szDevice))); 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect bounds = gfx::Rect(monitor_info.rcMonitor); 3158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Display display(id, bounds); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) display.set_work_area(gfx::Rect(monitor_info.rcWork)); 3358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) display.SetScaleAndBounds(gfx::win::GetDeviceScaleFactor(), bounds); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)BOOL CALLBACK EnumMonitorCallback(HMONITOR monitor, 3858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) HDC hdc, 3958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) LPRECT rect, 4058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) LPARAM data) { 4158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::vector<gfx::Display>* all_displays = 4258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) reinterpret_cast<std::vector<gfx::Display>*>(data); 4358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DCHECK(all_displays); 4458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 4558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info = GetMonitorInfoForMonitor(monitor); 4658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) gfx::Display display = GetDisplay(monitor_info); 4758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) all_displays->push_back(display); 4858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return TRUE; 4958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 5058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::ScreenWin() { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::~ScreenWin() { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ScreenWin::IsDIPEnabled() { 6258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return IsInHighDPIMode(); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Point ScreenWin::GetCursorScreenPoint() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT pt; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetCursorPos(&pt); 685c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu gfx::Point cursor_pos_pixels(pt); 695c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu return gfx::win::ScreenToDIPPoint(cursor_pos_pixels); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 72424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)gfx::NativeWindow ScreenWin::GetWindowUnderCursor() { 73424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) POINT cursor_loc; 74424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) HWND hwnd = GetCursorPos(&cursor_loc) ? WindowFromPoint(cursor_loc) : NULL; 75424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return GetNativeWindowFromHWND(hwnd); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 78424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)gfx::NativeWindow ScreenWin::GetWindowAtScreenPoint(const gfx::Point& point) { 79424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return GetNativeWindowFromHWND(WindowFromPoint(point.ToPOINT())); 80424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)} 81424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 82424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)int ScreenWin::GetNumDisplays() const { 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetSystemMetrics(SM_CMONITORS); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 86424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)std::vector<gfx::Display> ScreenWin::GetAllDisplays() const { 8758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) std::vector<gfx::Display> all_displays; 8858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) EnumDisplayMonitors(NULL, NULL, EnumMonitorCallback, 8958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) reinterpret_cast<LPARAM>(&all_displays)); 9058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return all_displays; 91424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)} 92424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestWindow(gfx::NativeView window) const { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window_hwnd = GetHWNDFromNativeView(window); 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!window_hwnd) { 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // When |window| isn't rooted to a display, we should just return the 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // default display so we get some correct display information like the 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // scaling factor. 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetPrimaryDisplay(); 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 1045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetMonitorInfo(MonitorFromWindow(window_hwnd, MONITOR_DEFAULTTONEAREST), 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) &monitor_info); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestPoint(const gfx::Point& point) const { 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT initial_loc = { point.x(), point.y() }; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor = MonitorFromPoint(initial_loc, MONITOR_DEFAULTTONEAREST); 11258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX mi; 11358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ZeroMemory(&mi, sizeof(MONITORINFOEX)); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.cbSize = sizeof(mi); 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (monitor && GetMonitorInfo(monitor, &mi)) { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(mi); 1173551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Display(); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayMatching(const gfx::Rect& match_rect) const { 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT other_bounds_rect = match_rect.ToRECT(); 12358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX monitor_info = GetMonitorInfoForMonitor(MonitorFromRect( 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &other_bounds_rect, MONITOR_DEFAULTTONEAREST)); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetPrimaryDisplay() const { 12958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MONITORINFOEX mi = GetMonitorInfoForMonitor( 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY)); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Display display = GetDisplay(mi); 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(kevers|girard): Test if these checks can be reintroduced for high-DIP 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // once more of the app is DIP-aware. 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(IsInHighDPIMode() || IsHighDPIEnabled())) { 1357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CXSCREEN), display.size().width()); 1367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CYSCREEN), display.size().height()); 1377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::AddObserver(DisplayObserver* observer) { 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::RemoveObserver(DisplayObserver* observer) { 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HWND ScreenWin::GetHWNDFromNativeView(NativeView window) const { 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeWindow ScreenWin::GetNativeWindowFromHWND(HWND hwnd) const { 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 160