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pokerth/src/gui/qt/gametable/myslider.h
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2013-08-28 10:49:03 +02:00

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/*****************************************************************************
* PokerTH - The open source texas holdem engine *
* Copyright (C) 2006-2012 Felix Hammer, Florian Thauer, Lothar May *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
* *
* Additional permission under GNU AGPL version 3 section 7 *
* *
* If you modify this program, or any covered work, by linking or *
* combining it with the OpenSSL project's OpenSSL library (or a *
* modified version of that library), containing parts covered by the *
* terms of the OpenSSL or SSLeay licenses, the authors of PokerTH *
* (Felix Hammer, Florian Thauer, Lothar May) grant you additional *
* permission to convey the resulting work. *
* Corresponding Source for a non-source form of such a combination *
* shall include the source code for the parts of OpenSSL used as well *
* as that of the covered work. *
*****************************************************************************/
#ifndef MYSLIDER_H
#define MYSLIDER_H
#include <QtGui>
#if QT_VERSION >= 0x050000
#include <QtWidgets>
#endif
/*
* This QSlider Extension was sponsored by: AZEVEDO Filipe aka Nox P@sNox <pasnox@gmail.com>
* http://pasnox.tuxfamily.org
* Thx a lot!
*/
class Slider : public QSlider
{
Q_OBJECT
public:
Slider( QWidget* parent = 0 )
: QSlider( parent ) {
}
Slider( Qt::Orientation orientation, QWidget* parent = 0 )
: QSlider( orientation, parent ) {
}
protected:
int pixelPosToRangeValue(int pos) const { // getted from QSlider.cpp with little adapt
QStyleOptionSlider opt;
initStyleOption(&opt);
QRect gr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderGroove, this);
QRect sr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
int sliderMin, sliderMax, sliderLength;
if (orientation() == Qt::Horizontal) {
sliderLength = sr.width();
sliderMin = gr.x();
sliderMax = gr.right() - sliderLength + 1;
} else {
sliderLength = sr.height();
sliderMin = gr.y();
sliderMax = gr.bottom() - sliderLength + 1;
}
return QStyle::sliderValueFromPosition(minimum(), maximum(), pos - sliderMin,
sliderMax - sliderMin, opt.upsideDown);
}
int pick(const QPoint &pt) const { // getted from QSlider.cpp with little adapt
return orientation() == Qt::Horizontal ? pt.x() : pt.y();
}
virtual void mousePressEvent( QMouseEvent* ev ) { // getted from QSlider.cpp with little adapt
if (maximum() == minimum() || (ev->buttons() ^ ev->button())) {
ev->ignore();
return;
}
#ifdef QT_KEYPAD_NAVIGATION
if (QApplication::keypadNavigationEnabled())
setEditFocus(true);
#endif
ev->accept();
//if ((ev->button() & style()->styleHint(QStyle::SH_Slider_AbsoluteSetButtons)) == ev->button())
{
QStyleOptionSlider opt;
initStyleOption(&opt);
const QRect sliderRect = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
const QPoint center = sliderRect.center() - sliderRect.topLeft();
// to take half of the slider off for the setSliderPosition call we use the center - topLeft
setSliderPosition(pixelPosToRangeValue(pick(ev->pos() - center)));
triggerAction(SliderMove);
setRepeatAction(SliderNoAction);
//d->pressedControl = QStyle::SC_SliderHandle;
update();
}
//if (d->pressedControl == QStyle::SC_SliderHandle)
{
QStyleOptionSlider opt;
initStyleOption(&opt);
setRepeatAction(SliderNoAction);
QRect sr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
//d->clickOffset = pick(ev->pos() - sr.topLeft());
update(sr);
setSliderDown(true);
}
QSlider::mousePressEvent( ev ); // should not be needed but as we can't update private d pointer it's needed.
}
};
#endif