mirror of https://github.com/axmolengine/axmol.git
126 lines
4.3 KiB
C++
126 lines
4.3 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "UIFocusManager.h"
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#include "ui/UIWidget.h"
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NS_CC_BEGIN
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namespace ui {
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static const int keyboardEventPriority = 1;
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FocusManager* FocusManager::_instance = nullptr;
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FocusManager* FocusManager::getInstance()
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{
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if (nullptr == _instance)
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{
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_instance = new FocusManager;
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}
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return _instance;
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}
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void FocusManager::destroyInstance()
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{
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CC_SAFE_DELETE(_instance);
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}
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FocusManager::~FocusManager()
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{
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if (nullptr != _keyboardListener)
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{
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EventDispatcher* dispatcher = Director::getInstance()->getEventDispatcher();
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dispatcher->removeEventListener(_keyboardListener);
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_keyboardListener = nullptr;
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}
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}
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void FocusManager::onKeypadKeyPressed(EventKeyboard::KeyCode keyCode, Event *event)
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{
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if (onKeypadReleased != nullptr)
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{
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onKeypadReleased(keyCode, event);
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}
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if (_enableAndroidDpad)
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{
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if (keyCode == EventKeyboard::KeyCode::KEY_DPAD_DOWN)
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{
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_firstFocusedWidget = _firstFocusedWidget->findNextFocusedWidget(Widget::FocusDirection::DOWN, _firstFocusedWidget);
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}
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if (keyCode == EventKeyboard::KeyCode::KEY_DPAD_UP)
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{
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_firstFocusedWidget = _firstFocusedWidget->findNextFocusedWidget(Widget::FocusDirection::UP, _firstFocusedWidget);
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}
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if (keyCode == EventKeyboard::KeyCode::KEY_DPAD_LEFT)
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{
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_firstFocusedWidget = _firstFocusedWidget->findNextFocusedWidget(Widget::FocusDirection::LEFT, _firstFocusedWidget);
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}
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if (keyCode == EventKeyboard::KeyCode::KEY_DPAD_RIGHT)
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{
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_firstFocusedWidget = _firstFocusedWidget->findNextFocusedWidget(Widget::FocusDirection::RIGHT, _firstFocusedWidget);
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}
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}
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}
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void FocusManager::enableAndroidDpad(bool flag)
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{
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if (_enableAndroidDpad == flag)
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{
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return;
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}
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_enableAndroidDpad = flag;
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if (flag)
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{
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if (nullptr == _keyboardListener)
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{
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_keyboardListener = EventListenerKeyboard::create();
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_keyboardListener->onKeyReleased = CC_CALLBACK_2(FocusManager::onKeypadKeyPressed, this);
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EventDispatcher* dispatcher = Director::getInstance()->getEventDispatcher();
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dispatcher->addEventListenerWithFixedPriority(_keyboardListener, keyboardEventPriority);
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}
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}
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else
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{
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if (nullptr != _keyboardListener)
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{
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EventDispatcher* dispatcher = Director::getInstance()->getEventDispatcher();
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dispatcher->removeEventListener(_keyboardListener);
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_keyboardListener = nullptr;
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}
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}
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}
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void FocusManager::setFirstFocsuedWidget(Widget* widget)
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{
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_firstFocusedWidget = widget;
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}
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}
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NS_CC_END |