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/*!
@file
@author Albert Semenov
@date 08/2010
*/
#include "Precompiled.h"
#include "MessageBoxFadeControl.h"
#include "MessageBoxManager.h"
namespace tools
{
MessageBoxFadeControl::MessageBoxFadeControl() :
mMaxAlpha(1)
{
}
MessageBoxFadeControl::~MessageBoxFadeControl()
{
MyGUI::Gui::getInstance().eventFrameStart -= MyGUI::newDelegate(this, &MessageBoxFadeControl::notifyFrameStart);
}
void MessageBoxFadeControl::OnInitialise(Control* _parent, MyGUI::Widget* _place, const std::string& _layoutName)
{
Control::OnInitialise(_parent, _place, "MessageBoxFadeControl.layout");
MyGUI::Gui::getInstance().eventFrameStart += MyGUI::newDelegate(this, &MessageBoxFadeControl::notifyFrameStart);
mMaxAlpha = mMainWidget->getAlpha();
mMainWidget->setAlpha(0);
}
void MessageBoxFadeControl::notifyFrameStart(float _time)
{
const float coef = 1;
bool visible = MessageBoxManager::getInstance().hasAny();
if (visible)
{
if (!mMainWidget->getVisible())
{
mMainWidget->setVisible(true);
mMainWidget->setAlpha(0);
}
else
{
float alpha = mMainWidget->getAlpha();
if (alpha < mMaxAlpha)
{
alpha += _time * coef;
if (alpha > mMaxAlpha)
alpha = mMaxAlpha;
mMainWidget->setAlpha(alpha);
}
}
}
else
{
if (mMainWidget->getVisible())
{
float alpha = mMainWidget->getAlpha();
alpha -= _time * coef;
if (alpha <= 0)
{
mMainWidget->setVisible(false);
}
else
{
mMainWidget->setAlpha(alpha);
}
}
}
}
}
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