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106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
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/*!
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@file
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@author Albert Semenov
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@date 01/2008
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@module
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "MyGUI_Precompiled.h"
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#include "MyGUI_ControllerFadeAlpha.h"
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#include "MyGUI_Gui.h"
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#include "MyGUI_InputManager.h"
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#include "MyGUI_WidgetManager.h"
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#include "MyGUI_Widget.h"
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namespace MyGUI
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{
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ControllerFadeAlpha::ControllerFadeAlpha() :
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mAlpha(1),
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mCoef(1),
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mEnabled(true)
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{
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}
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void ControllerFadeAlpha::prepareItem(Widget* _widget)
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{
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// подготовка виджета, блокируем если только нужно
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if (!mEnabled) _widget->setEnabledSilent(mEnabled);
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if ((ALPHA_MIN != mAlpha) && (!_widget->isVisible()))
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{
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_widget->setAlpha(ALPHA_MIN);
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_widget->setVisible(true);
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}
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// отписываем его от ввода
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if (!mEnabled) InputManager::getInstance().unlinkWidget(_widget);
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// вызываем пользовательский делегат для подготовки
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eventPreAction(_widget);
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}
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bool ControllerFadeAlpha::addTime(Widget* _widget, float _time)
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{
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float alpha = _widget->getAlpha();
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// проверяем нужно ли к чему еще стремиться
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if (mAlpha > alpha)
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{
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alpha += _time * mCoef;
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if (mAlpha > alpha)
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{
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_widget->setAlpha(alpha);
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eventUpdateAction(_widget);
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return true;
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}
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else
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{
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_widget->setAlpha(mAlpha);
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}
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}
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else if (mAlpha < alpha)
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{
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alpha -= _time * mCoef;
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if (mAlpha < alpha)
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{
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_widget->setAlpha(alpha);
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eventUpdateAction(_widget);
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return true;
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}
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else
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{
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_widget->setAlpha(mAlpha);
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}
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}
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// вызываем пользовательский делегат пост обработки
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eventPostAction(_widget);
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return false;
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}
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void ControllerFadeAlpha::setProperty(const std::string& _key, const std::string& _value)
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{
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if (_key == "Alpha") setAlpha(utility::parseValue<float>(_value));
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else if (_key == "Coef") setCoef(utility::parseValue<float>(_value));
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else if (_key == "Enabled") setEnabled(utility::parseValue<bool>(_value));
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}
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} // namespace MyGUI
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