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/*
* Bespin style for Qt4
* Copyright 2007-2012 by Thomas Lübking <thomas.luebking@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QTimerEvent>
#include <QWidget>
#define ANIMATOR_IMPL 1
#include "hovercomplex.h"
using namespace Animator;
INSTANCE(HoverComplex)
SET_FPS(HoverComplex)
SET_DURATION(HoverComplex)
#undef ANIMATOR_IMPL
const ComplexInfo *
HoverComplex::info(const QWidget *widget, QStyle::SubControls active)
{
if (!widget)
return 0;
if (!instance)
instance = new HoverComplex;
return instance->_info(widget, active);
}
const ComplexInfo *
HoverComplex::_info(const QWidget *widget, QStyle::SubControls active) const
{
QWidget *w = const_cast<QWidget*>(widget);
HoverComplex *that = const_cast<HoverComplex*>(this);
Items::iterator it = that->items.find(w);
if (it == items.end())
{
// we have no entry yet
if (active == QStyle::SC_None)
return 0; // no need here
// ...but we'll need one
it = that->items.insert(w, ComplexInfo());
connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(release(QObject*)));
that->timer.start(timeStep, that);
}
// we now have an entry - check for validity and update in case
ComplexInfo *info = &it.value();
if (info->active != active)
{ // sth. changed
QStyle::SubControls diff = info->active ^ active;
QStyle::SubControls newActive = diff & active;
QStyle::SubControls newDead = diff & info->active;
info->fades[In] &= ~newDead; info->fades[In] |= newActive;
info->fades[Out] &= ~newActive; info->fades[Out] |= newDead;
info->active = active;
for (QStyle::SubControl control = (QStyle::SubControl)0x01;
control <= (QStyle::SubControl)0x80;
control = (QStyle::SubControl)(control<<1))
{
if (newActive & control)
info->steps[control] = 1;
// else if (newDead & control)
// {
// info->steps[control] = maxSteps;
// }
}
}
return info;
}
void
HoverComplex::timerEvent(QTimerEvent * event)
{
if (event->timerId() != timer.timerId() || items.isEmpty())
return;
bool update;
Items::iterator it = items.begin();
ComplexInfo *info;
while (it != items.end())
{
if (!it.key())
{
it = items.erase(it);
continue;
}
info = &it.value();
update = false;
for (QStyle::SubControl control = (QStyle::SubControl)0x01;
control <= (QStyle::SubControl)0x80;
control = (QStyle::SubControl)(control<<1))
{
if (info->fades[In] & control)
{
update = true;
info->steps[control] += 2;
if (info->steps.value(control) > 4)
info->fades[In] &= ~control;
}
else if (info->fades[Out] & control)
{
update = true;
--info->steps[control];
if (info->steps.value(control) < 1)
info->fades[Out] &= ~control;
}
}
if (update)
it.key()->update();
if (info->active == QStyle::SC_None && // needed to detect changes!
info->fades[Out] == QStyle::SC_None &&
info->fades[In] == QStyle::SC_None)
it = items.erase(it);
else
++it;
}
if (items.isEmpty())
timer.stop();
}
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