142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
/*
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* Copyright © 2008 Fredrik Höglund <fredrik@kde.org>
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* Copyright © 2008 Marco Martin <notmart@gmail.com>
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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 "style.h"
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#include <QPainter>
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#include <QStyleOptionComplex>
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#include <KDebug>
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#include <plasma/panelsvg.h>
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namespace Plasma {
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class StylePrivate
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{
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public:
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StylePrivate()
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: scrollbar(0)
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{
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}
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~StylePrivate()
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{
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}
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Plasma::PanelSvg *scrollbar;
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};
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Style::Style()
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: QCommonStyle(),
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d(new StylePrivate)
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{
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d->scrollbar = new Plasma::PanelSvg(this);
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d->scrollbar->setImagePath("widgets/scrollbar");
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d->scrollbar->setCacheAllRenderedPanels(true);
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}
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Style::~Style()
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{
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delete d;
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}
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void Style::drawComplexControl(ComplexControl control,
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const QStyleOptionComplex *option,
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QPainter *painter,
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const QWidget *widget) const
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{
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if (control != CC_ScrollBar) {
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QCommonStyle::drawComplexControl(control, option, painter, widget);
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return;
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}
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing);
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const bool sunken = option->state & State_Sunken;
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const QStyleOptionSlider *scrollOption = qstyleoption_cast<const QStyleOptionSlider *>(option);
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QString prefix;
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if (option->state & State_MouseOver) {
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prefix= "mouseover-";
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}
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QRect subLine;
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QRect addLine;
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if (scrollOption && scrollOption->orientation == Qt::Horizontal) {
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subLine = d->scrollbar->elementRect(prefix + "arrow-left").toRect();
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addLine = d->scrollbar->elementRect(prefix + "arrow-right").toRect();
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} else {
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subLine = d->scrollbar->elementRect(prefix + "arrow-up").toRect();
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addLine = d->scrollbar->elementRect(prefix + "arrow-down").toRect();
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}
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subLine.moveCenter(subControlRect(control, option, SC_ScrollBarSubLine, widget).center());
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addLine.moveCenter(subControlRect(control, option, SC_ScrollBarAddLine, widget).center());
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const QRect slider =
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subControlRect(control, option, SC_ScrollBarSlider, widget).adjusted(1, 0, -1, 0);
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d->scrollbar->setElementPrefix("background");
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d->scrollbar->resizePanel(option->rect.size());
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d->scrollbar->paintPanel(painter);
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if (sunken && scrollOption && scrollOption->activeSubControls & SC_ScrollBarSlider) {
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d->scrollbar->setElementPrefix("sunken-slider");
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} else {
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d->scrollbar->setElementPrefix(prefix + "slider");
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}
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d->scrollbar->resizePanel(slider.size());
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d->scrollbar->paintPanel(painter, slider.topLeft());
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if (scrollOption && scrollOption->orientation == Qt::Horizontal) {
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if (sunken && scrollOption->activeSubControls & SC_ScrollBarAddLine) {
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d->scrollbar->paint(painter, addLine, "sunken-arrow-right");
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} else {
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d->scrollbar->paint(painter, addLine, prefix + "arrow-right");
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}
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if (sunken && scrollOption->activeSubControls & SC_ScrollBarSubLine) {
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d->scrollbar->paint(painter, subLine, "sunken-arrow-left");
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} else {
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d->scrollbar->paint(painter, subLine, prefix + "arrow-left");
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}
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} else {
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if (sunken && scrollOption && scrollOption->activeSubControls & SC_ScrollBarAddLine) {
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d->scrollbar->paint(painter, addLine, "sunken-arrow-down");
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} else {
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d->scrollbar->paint(painter, addLine, prefix + "arrow-down");
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}
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if (sunken && scrollOption && scrollOption->activeSubControls & SC_ScrollBarSubLine) {
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d->scrollbar->paint(painter, subLine, "sunken-arrow-up");
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} else {
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d->scrollbar->paint(painter, subLine, prefix + "arrow-up");
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}
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}
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painter->restore();
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}
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}
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