screen_win.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246
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) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/base/win/dpi.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/display.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MONITORINFO GetMonitorInfoForMonitor(HMONITOR monitor) { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO monitor_info = { 0 }; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetMonitorInfo(monitor, &monitor_info); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return monitor_info; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display GetDisplay(MONITORINFO& monitor_info) { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(oshima): Implement ID and Observer. 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect bounds = gfx::Rect(monitor_info.rcMonitor); 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Display display(0, bounds); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) display.set_work_area(gfx::Rect(monitor_info.rcWork)); 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) display.SetScaleAndBounds(ui::win::GetDeviceScaleFactor(), bounds); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::ScreenWin() { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScreenWin::~ScreenWin() { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ScreenWin::IsDIPEnabled() { 427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return ui::IsInHighDPIMode(); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Point ScreenWin::GetCursorScreenPoint() { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT pt; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetCursorPos(&pt); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Point(pt); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::NativeWindow ScreenWin::GetWindowAtCursorScreenPoint() { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT location; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window_hwnd = GetCursorPos(&location) ? WindowFromPoint(location) : NULL; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetNativeWindowFromHWND(window_hwnd); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ScreenWin::GetNumDisplays() { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetSystemMetrics(SM_CMONITORS); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestWindow(gfx::NativeView window) const { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window_hwnd = GetHWNDFromNativeView(window); 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!window_hwnd) { 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // When |window| isn't rooted to a display, we should just return the 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // default display so we get some correct display information like the 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // scaling factor. 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetPrimaryDisplay(); 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO monitor_info; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetMonitorInfo(MonitorFromWindow(window_hwnd, MONITOR_DEFAULTTONEAREST), 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &monitor_info); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayNearestPoint(const gfx::Point& point) const { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT initial_loc = { point.x(), point.y() }; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor = MonitorFromPoint(initial_loc, MONITOR_DEFAULTTONEAREST); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO mi = {0}; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.cbSize = sizeof(mi); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (monitor && GetMonitorInfo(monitor, &mi)) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(mi); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Display(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetDisplayMatching(const gfx::Rect& match_rect) const { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT other_bounds_rect = match_rect.ToRECT(); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO monitor_info = GetMonitorInfoForMonitor(MonitorFromRect( 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &other_bounds_rect, MONITOR_DEFAULTTONEAREST)); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDisplay(monitor_info); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Display ScreenWin::GetPrimaryDisplay() const { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO mi = GetMonitorInfoForMonitor( 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY)); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Display display = GetDisplay(mi); 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(kevers|girard): Test if these checks can be reintroduced for high-DIP 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // once more of the app is DIP-aware. 1007d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!ui::IsInHighDPIMode()) { 1017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CXSCREEN), display.size().width()); 1027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_EQ(GetSystemMetrics(SM_CYSCREEN), display.size().height()); 1037d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return display; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::AddObserver(DisplayObserver* observer) { 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ScreenWin::RemoveObserver(DisplayObserver* observer) { 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(oshima): crbug.com/122863. 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HWND ScreenWin::GetHWNDFromNativeView(NativeView window) const { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return window; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // USE_AURA 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeWindow ScreenWin::GetNativeWindowFromHWND(HWND hwnd) const { 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return hwnd; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // USE_AURA 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(USE_AURA) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Screen* CreateNativeScreen() { 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new ScreenWin; 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // !USE_AURA 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 140