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