1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ui/views/focus/accelerator_handler.h" 6 7 #include "ui/events/event.h" 8 #include "ui/events/keycodes/keyboard_code_conversion_win.h" 9 #include "ui/events/keycodes/keyboard_codes.h" 10 #include "ui/views/focus/focus_manager.h" 11 #include "ui/views/widget/widget.h" 12 13 namespace views { 14 15 AcceleratorHandler::AcceleratorHandler() { 16 } 17 18 bool AcceleratorHandler::Dispatch(const base::NativeEvent& msg) { 19 if (msg.message >= WM_KEYFIRST && msg.message <= WM_KEYLAST) { 20 Widget* widget = Widget::GetTopLevelWidgetForNativeView(msg.hwnd); 21 FocusManager* focus_manager = widget ? widget->GetFocusManager() : NULL; 22 if (focus_manager) { 23 switch (msg.message) { 24 case WM_KEYDOWN: 25 case WM_SYSKEYDOWN: { 26 ui::KeyEvent event(msg, false); 27 if (!focus_manager->OnKeyEvent(event)) { 28 // Record that this key is pressed so we can remember not to 29 // translate and dispatch the associated WM_KEYUP. 30 pressed_keys_.insert(msg.wParam); 31 return true; 32 } 33 break; 34 } 35 case WM_KEYUP: 36 case WM_SYSKEYUP: { 37 std::set<WPARAM>::iterator iter = pressed_keys_.find(msg.wParam); 38 if (iter != pressed_keys_.end()) { 39 // Don't translate/dispatch the KEYUP since we have eaten the 40 // associated KEYDOWN. 41 pressed_keys_.erase(iter); 42 return true; 43 } 44 break; 45 } 46 } 47 } 48 } 49 50 TranslateMessage(&msg); 51 DispatchMessage(&msg); 52 return true; 53 } 54 55 } // namespace views 56
