2008-11-04 00:08:39 +01:00
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/*
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* Copyright 2008 Aaron Seigo <aseigo@kde.org>
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (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 General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "slider.h"
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2008-11-29 01:03:08 +01:00
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#include <QApplication>
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2008-11-04 00:08:39 +01:00
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#include <QPainter>
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2008-11-29 01:03:08 +01:00
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#include <QSlider>
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2008-11-04 00:08:39 +01:00
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#include <QStyleOptionSlider>
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2008-11-29 01:03:08 +01:00
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#include <QGraphicsSceneWheelEvent>
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2008-11-04 03:55:37 +01:00
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#include <kmimetype.h>
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2008-11-04 00:08:39 +01:00
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#include "theme.h"
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#include "framesvg.h"
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namespace Plasma
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{
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class SliderPrivate
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{
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public:
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SliderPrivate()
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{
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}
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~SliderPrivate()
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{
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}
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Plasma::FrameSvg *background;
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Plasma::FrameSvg *handle;
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};
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Slider::Slider(QGraphicsWidget *parent)
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: QGraphicsProxyWidget(parent),
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d(new SliderPrivate)
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{
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QSlider *native = new QSlider;
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connect(native, SIGNAL(sliderMoved(int)), this, SIGNAL(sliderMoved(int)));
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connect(native, SIGNAL(valueChanged(int)), this, SIGNAL(valueChanged(int)));
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setWidget(native);
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native->setAttribute(Qt::WA_NoSystemBackground);
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d->background = new Plasma::FrameSvg(this);
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d->background->setImagePath("widgets/frame");
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d->background->setElementPrefix("sunken");
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d->handle = new Plasma::FrameSvg(this);
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d->handle->setImagePath("widgets/button");
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d->handle->setElementPrefix("normal");
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}
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Slider::~Slider()
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{
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delete d;
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}
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void Slider::paint(QPainter *painter,
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2009-02-24 23:42:06 +01:00
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const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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2008-11-04 00:08:39 +01:00
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{
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2009-02-24 23:42:06 +01:00
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if (!styleSheet().isNull() || Theme::defaultTheme()->useNativeWidgetStyle()) {
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2008-11-04 00:08:39 +01:00
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QGraphicsProxyWidget::paint(painter, option, widget);
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return;
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}
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QSlider *slider = nativeWidget();
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QStyle *style = slider->style();
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QStyleOptionSlider sliderOpt;
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sliderOpt.initFrom(slider);
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//init the other stuff in the slider, taken from initStyleOption()
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sliderOpt.subControls = QStyle::SC_None;
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sliderOpt.activeSubControls = QStyle::SC_None;
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sliderOpt.orientation = slider->orientation();
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sliderOpt.maximum = slider->maximum();
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sliderOpt.minimum = slider->minimum();
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sliderOpt.tickPosition = (QSlider::TickPosition)slider->tickPosition();
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sliderOpt.tickInterval = slider->tickInterval();
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sliderOpt.upsideDown = (slider->orientation() == Qt::Horizontal) ?
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(slider->invertedAppearance() != (sliderOpt.direction == Qt::RightToLeft))
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: (!slider->invertedAppearance());
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sliderOpt.direction = Qt::LeftToRight; // we use the upsideDown option instead
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sliderOpt.sliderPosition = slider->sliderPosition();
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sliderOpt.sliderValue = slider->value();
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sliderOpt.singleStep = slider->singleStep();
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sliderOpt.pageStep = slider->pageStep();
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if (slider->orientation() == Qt::Horizontal) {
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sliderOpt.state |= QStyle::State_Horizontal;
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}
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QRect backgroundRect =
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style->subControlRect(QStyle::CC_Slider, &sliderOpt, QStyle::SC_SliderGroove, slider);
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d->background->resizeFrame(backgroundRect.size());
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d->background->paintFrame(painter, backgroundRect.topLeft());
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2009-02-24 23:42:06 +01:00
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//Tickmarks
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2008-11-04 00:08:39 +01:00
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if (sliderOpt.tickPosition != QSlider::NoTicks) {
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sliderOpt.subControls = QStyle::SC_SliderTickmarks;
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sliderOpt.palette.setColor(
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QPalette::WindowText, Plasma::Theme::defaultTheme()->color(Theme::TextColor));
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style->drawComplexControl(QStyle::CC_Slider, &sliderOpt, painter, slider);
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}
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QRect handleRect =
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style->subControlRect(QStyle::CC_Slider, &sliderOpt, QStyle::SC_SliderHandle, slider);
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d->handle->resizeFrame(handleRect.size());
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d->handle->paintFrame(painter, handleRect.topLeft());
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}
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2008-11-29 01:03:08 +01:00
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void Slider::wheelEvent(QGraphicsSceneWheelEvent *event)
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{
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QWheelEvent e(event->pos().toPoint(), event->delta(),event->buttons(),event->modifiers(),event->orientation());
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QApplication::sendEvent(widget(), &e);
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event->accept();
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}
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2008-11-04 00:08:39 +01:00
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void Slider::setMaximum(int max)
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{
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static_cast<QSlider*>(widget())->setMaximum(max);
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}
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int Slider::maximum() const
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{
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return static_cast<QSlider*>(widget())->maximum();
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}
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void Slider::setMinimum(int min)
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{
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static_cast<QSlider*>(widget())->setMinimum(min);
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}
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int Slider::minimum() const
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{
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return static_cast<QSlider*>(widget())->minimum();
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}
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void Slider::setRange(int min, int max)
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{
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static_cast<QSlider*>(widget())->setRange(min, max);
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}
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void Slider::setValue(int value)
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{
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static_cast<QSlider*>(widget())->setValue(value);
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}
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int Slider::value() const
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{
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return static_cast<QSlider*>(widget())->value();
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}
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void Slider::setOrientation(Qt::Orientation orientation)
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{
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static_cast<QSlider*>(widget())->setOrientation(orientation);
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}
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Qt::Orientation Slider::orientation() const
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{
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return static_cast<QSlider*>(widget())->orientation();
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}
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void Slider::setStyleSheet(const QString &stylesheet)
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{
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widget()->setStyleSheet(stylesheet);
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}
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QString Slider::styleSheet()
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{
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return widget()->styleSheet();
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}
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QSlider *Slider::nativeWidget() const
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{
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return static_cast<QSlider*>(widget());
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}
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} // namespace Plasma
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#include <slider.moc>
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