fb0b49af8c
REVIEW: 103728
356 lines
9.4 KiB
C++
356 lines
9.4 KiB
C++
/*
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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 "combobox.h"
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#include <QPainter>
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#include <QGraphicsView>
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#include <kcombobox.h>
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#include <kiconeffect.h>
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#include <kiconloader.h>
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#include <kmimetype.h>
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#include "applet.h"
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#include "framesvg.h"
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#include "private/style_p.h"
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#include "private/focusindicator_p.h"
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#include "private/themedwidgetinterface_p.h"
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#include "theme.h"
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namespace Plasma
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{
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class ComboBoxPrivate : public ThemedWidgetInterface<ComboBox>
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{
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public:
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ComboBoxPrivate(ComboBox *comboBox)
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: ThemedWidgetInterface<ComboBox>(comboBox),
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background(0),
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underMouse(false)
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{
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}
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~ComboBoxPrivate()
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{
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}
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void syncActiveRect();
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void syncBorders();
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FrameSvg *background;
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FrameSvg *lineEditBackground;
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FocusIndicator *focusIndicator;
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int animId;
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qreal opacity;
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QRectF activeRect;
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Style::Ptr style;
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bool underMouse;
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};
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void ComboBoxPrivate::syncActiveRect()
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{
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background->setElementPrefix("normal");
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qreal left, top, right, bottom;
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background->getMargins(left, top, right, bottom);
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background->setElementPrefix("active");
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qreal activeLeft, activeTop, activeRight, activeBottom;
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background->getMargins(activeLeft, activeTop, activeRight, activeBottom);
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activeRect = QRectF(QPointF(0, 0), q->size());
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activeRect.adjust(left - activeLeft, top - activeTop,
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-(right - activeRight), -(bottom - activeBottom));
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background->setElementPrefix("normal");
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}
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void ComboBoxPrivate::syncBorders()
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{
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//set margins from the normal element
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qreal left, top, right, bottom;
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background->setElementPrefix("normal");
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background->getMargins(left, top, right, bottom);
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q->setContentsMargins(left, top, right, bottom);
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//calc the rect for the over effect
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syncActiveRect();
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if (customFont) {
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q->setFont(q->font());
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} else {
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q->setFont(Theme::defaultTheme()->font(Theme::DefaultFont));
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customFont = false;
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}
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if (q->nativeWidget()->isEditable()) {
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focusIndicator->setFrameSvg(lineEditBackground);
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} else {
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focusIndicator->setFrameSvg(background);
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}
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focusIndicator->setFlag(QGraphicsItem::ItemStacksBehindParent, !q->nativeWidget()->isEditable() || !lineEditBackground->hasElement("hint-focus-over-base"));
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}
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ComboBox::ComboBox(QGraphicsWidget *parent)
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: QGraphicsProxyWidget(parent),
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d(new ComboBoxPrivate(this))
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{
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d->background = new FrameSvg(this);
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d->background->setImagePath("widgets/button");
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d->background->setCacheAllRenderedFrames(true);
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d->background->setElementPrefix("normal");
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d->lineEditBackground = new FrameSvg(this);
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d->lineEditBackground->setImagePath("widgets/lineedit");
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d->lineEditBackground->setCacheAllRenderedFrames(true);
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setZValue(900);
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setAcceptHoverEvents(true);
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d->style = Style::sharedStyle();
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d->focusIndicator = new FocusIndicator(this, d->background);
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setNativeWidget(new KComboBox);
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connect(d->background, SIGNAL(repaintNeeded()), SLOT(syncBorders()));
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d->initTheming();
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}
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ComboBox::~ComboBox()
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{
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delete d;
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Style::doneWithSharedStyle();
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}
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QString ComboBox::text() const
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{
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return static_cast<KComboBox*>(widget())->currentText();
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}
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void ComboBox::setStyleSheet(const QString &stylesheet)
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{
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widget()->setStyleSheet(stylesheet);
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}
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QString ComboBox::styleSheet()
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{
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return widget()->styleSheet();
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}
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void ComboBox::setNativeWidget(KComboBox *nativeWidget)
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{
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if (widget()) {
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widget()->deleteLater();
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}
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connect(nativeWidget, SIGNAL(activated(QString)), this, SIGNAL(activated(QString)));
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connect(nativeWidget, SIGNAL(currentIndexChanged(int)),
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this, SIGNAL(currentIndexChanged(int)));
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connect(nativeWidget, SIGNAL(currentIndexChanged(QString)),
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this, SIGNAL(textChanged(QString)));
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d->setWidget(nativeWidget);
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nativeWidget->setWindowIcon(QIcon());
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nativeWidget->setAttribute(Qt::WA_NoSystemBackground);
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nativeWidget->setStyle(d->style.data());
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d->syncBorders();
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}
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KComboBox *ComboBox::nativeWidget() const
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{
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return static_cast<KComboBox*>(widget());
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}
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void ComboBox::addItem(const QString &text)
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{
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static_cast<KComboBox*>(widget())->addItem(text);
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}
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void ComboBox::clear()
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{
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static_cast<KComboBox*>(widget())->clear();
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}
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void ComboBox::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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if (d->background) {
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//resize needed panels
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d->syncActiveRect();
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d->background->setElementPrefix("focus");
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d->background->resizeFrame(size());
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d->background->setElementPrefix("active");
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d->background->resizeFrame(d->activeRect.size());
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d->background->setElementPrefix("normal");
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d->background->resizeFrame(size());
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}
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QGraphicsProxyWidget::resizeEvent(event);
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}
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void ComboBox::paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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{
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if (!styleSheet().isNull() ||
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Theme::defaultTheme()->useNativeWidgetStyle()) {
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QGraphicsProxyWidget::paint(painter, option, widget);
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return;
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}
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if (nativeWidget()->isEditable()) {
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QGraphicsProxyWidget::paint(painter, option, widget);
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return;
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}
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QPixmap bufferPixmap;
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//normal button
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if (isEnabled()) {
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d->background->setElementPrefix("normal");
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d->background->paintFrame(painter);
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//disabled widget
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} else {
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bufferPixmap = QPixmap(rect().size().toSize());
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bufferPixmap.fill(Qt::transparent);
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QPainter buffPainter(&bufferPixmap);
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d->background->paintFrame(&buffPainter);
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buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
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buffPainter.fillRect(bufferPixmap.rect(), QColor(0, 0, 0, 128));
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painter->drawPixmap(0, 0, bufferPixmap);
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}
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painter->setPen(Theme::defaultTheme()->color(Theme::ButtonTextColor));
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QStyleOptionComboBox comboOpt;
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comboOpt.initFrom(nativeWidget());
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comboOpt.palette.setColor(
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QPalette::ButtonText, Theme::defaultTheme()->color(Theme::ButtonTextColor));
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comboOpt.currentIcon = nativeWidget()->itemIcon(
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nativeWidget()->currentIndex());
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comboOpt.currentText = nativeWidget()->itemText(
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nativeWidget()->currentIndex());
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comboOpt.editable = false;
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nativeWidget()->style()->drawControl(
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QStyle::CE_ComboBoxLabel, &comboOpt, painter, nativeWidget());
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comboOpt.rect = nativeWidget()->style()->subControlRect(
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QStyle::CC_ComboBox, &comboOpt, QStyle::SC_ComboBoxArrow, nativeWidget());
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nativeWidget()->style()->drawPrimitive(
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QStyle::PE_IndicatorArrowDown, &comboOpt, painter, nativeWidget());
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}
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void ComboBox::focusInEvent(QFocusEvent *event)
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{
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QGraphicsProxyWidget::focusInEvent(event);
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}
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void ComboBox::focusOutEvent(QFocusEvent *event)
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{
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QGraphicsWidget *widget = parentWidget();
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Plasma::Applet *applet = qobject_cast<Plasma::Applet *>(widget);
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while (!applet && widget) {
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widget = widget->parentWidget();
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applet = qobject_cast<Plasma::Applet *>(widget);
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}
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if (applet) {
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applet->setStatus(Plasma::UnknownStatus);
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}
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if (nativeWidget()->isEditable()) {
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QEvent closeEvent(QEvent::CloseSoftwareInputPanel);
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if (qApp) {
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if (QGraphicsView *view = qobject_cast<QGraphicsView*>(qApp->focusWidget())) {
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if (view->scene() && view->scene() == scene()) {
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QApplication::sendEvent(view, &closeEvent);
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}
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}
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}
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}
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QGraphicsProxyWidget::focusOutEvent(event);
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}
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void ComboBox::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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d->underMouse = true;
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QGraphicsProxyWidget::hoverEnterEvent(event);
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}
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void ComboBox::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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d->underMouse = false;
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QGraphicsProxyWidget::hoverLeaveEvent(event);
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}
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void ComboBox::changeEvent(QEvent *event)
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{
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d->changeEvent(event);
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QGraphicsProxyWidget::changeEvent(event);
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}
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void ComboBox::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsWidget *widget = parentWidget();
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Plasma::Applet *applet = qobject_cast<Plasma::Applet *>(widget);
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while (!applet && widget) {
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widget = widget->parentWidget();
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applet = qobject_cast<Plasma::Applet *>(widget);
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}
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if (applet) {
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applet->setStatus(Plasma::AcceptingInputStatus);
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}
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QGraphicsProxyWidget::mousePressEvent(event);
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}
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int ComboBox::count() const
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{
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return nativeWidget()->count();
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}
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int ComboBox::currentIndex() const
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{
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return nativeWidget()->currentIndex();
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}
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void ComboBox::setCurrentIndex(int index)
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{
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nativeWidget()->setCurrentIndex(index);
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}
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} // namespace Plasma
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#include <combobox.moc>
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