/* * Copyright 2008 Aaron Seigo * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License as * published by the Free Software Foundation; either version 2, 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 General Public License for more details * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "combobox.h" #include #include #include #include #include #include #include #include "theme.h" #include "framesvg.h" #include "animator.h" #include "paintutils.h" namespace Plasma { class ComboBoxPrivate { public: ComboBoxPrivate(ComboBox *comboBox) : q(comboBox), background(0), customFont(0), underMouse(false) { } ~ComboBoxPrivate() { } void syncActiveRect(); void syncBorders(); void animationUpdate(qreal progress); void animationFinished(int id); ComboBox *q; FrameSvg *background; FrameSvg *lineEditBackground; int animId; bool fadeIn; qreal opacity; QRectF activeRect; Style::Ptr style; bool customFont; bool underMouse; }; void ComboBoxPrivate::syncActiveRect() { background->setElementPrefix("normal"); qreal left, top, right, bottom; background->getMargins(left, top, right, bottom); background->setElementPrefix("active"); qreal activeLeft, activeTop, activeRight, activeBottom; background->getMargins(activeLeft, activeTop, activeRight, activeBottom); activeRect = QRectF(QPointF(0, 0), q->size()); activeRect.adjust(left - activeLeft, top - activeTop, -(right - activeRight), -(bottom - activeBottom)); background->setElementPrefix("normal"); } void ComboBoxPrivate::syncBorders() { //set margins from the normal element qreal left, top, right, bottom; background->setElementPrefix("normal"); background->getMargins(left, top, right, bottom); q->setContentsMargins(left, top, right, bottom); //calc the rect for the over effect syncActiveRect(); KComboBox *native = q->nativeWidget(); if (customFont) { native->setFont(Theme::defaultTheme()->font(Theme::DefaultFont)); } else { native->setFont(q->font()); } } void ComboBoxPrivate::animationUpdate(qreal progress) { if (progress == 1) { animId = -1; fadeIn = true; } opacity = fadeIn ? progress : 1 - progress; // explicit update q->update(); } void ComboBoxPrivate::animationFinished(int id) { if (id == animId) { animId = -1; } } ComboBox::ComboBox(QGraphicsWidget *parent) : QGraphicsProxyWidget(parent), d(new ComboBoxPrivate(this)) { d->background = new FrameSvg(this); d->background->setImagePath("widgets/button"); d->background->setCacheAllRenderedFrames(true); d->background->setElementPrefix("normal"); d->lineEditBackground = new FrameSvg(this); d->lineEditBackground->setImagePath("widgets/lineedit"); d->lineEditBackground->setCacheAllRenderedFrames(true); setAcceptHoverEvents(true); d->style = Style::sharedStyle(); setNativeWidget(new KComboBox); connect(Theme::defaultTheme(), SIGNAL(themeChanged()), SLOT(syncBorders())); connect(Plasma::Animator::self(), SIGNAL(customAnimationFinished(int)), this, SLOT(animationFinished(int))); } ComboBox::~ComboBox() { delete d; Style::doneWithSharedStyle(); } QString ComboBox::text() const { return static_cast(widget())->currentText(); } void ComboBox::setStyleSheet(const QString &stylesheet) { widget()->setStyleSheet(stylesheet); } QString ComboBox::styleSheet() { return widget()->styleSheet(); } void ComboBox::setNativeWidget(KComboBox *nativeWidget) { if (widget()) { widget()->deleteLater(); } connect(nativeWidget, SIGNAL(activated(const QString &)), this, SIGNAL(activated(const QString &))); connect(nativeWidget, SIGNAL(currentIndexChanged(const QString &)), this, SIGNAL(textChanged(const QString &))); setWidget(nativeWidget); nativeWidget->setAttribute(Qt::WA_NoSystemBackground); nativeWidget->setStyle(d->style.data()); d->syncBorders(); } KComboBox *ComboBox::nativeWidget() const { return static_cast(widget()); } void ComboBox::addItem(const QString &text) { static_cast(widget())->addItem(text); } void ComboBox::clear() { static_cast(widget())->clear(); } void ComboBox::resizeEvent(QGraphicsSceneResizeEvent *event) { if (d->background) { //resize needed panels d->syncActiveRect(); d->background->setElementPrefix("focus"); d->background->resizeFrame(size()); d->background->setElementPrefix("active"); d->background->resizeFrame(d->activeRect.size()); d->background->setElementPrefix("normal"); d->background->resizeFrame(size()); } QGraphicsProxyWidget::resizeEvent(event); } void ComboBox::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { if (!styleSheet().isNull() || Theme::defaultTheme()->useNativeWidgetStyle()) { QGraphicsProxyWidget::paint(painter, option, widget); return; } if (nativeWidget()->isEditable()) { if (d->animId != -1 || hasFocus() || d->underMouse) { if (hasFocus()) { d->lineEditBackground->setElementPrefix("focus"); } else { d->lineEditBackground->setElementPrefix("hover"); } qreal left, top, right, bottom; d->lineEditBackground->getMargins(left, top, right, bottom); d->lineEditBackground->resizeFrame(size()+QSizeF(left+right, top+bottom)); if (qFuzzyCompare(d->opacity, (qreal)1.0)) { d->lineEditBackground->paintFrame(painter, QPoint(-left, -top)); } else { QPixmap bufferPixmap = d->lineEditBackground->framePixmap(); QPainter buffPainter(&bufferPixmap); buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn); buffPainter.fillRect(bufferPixmap.rect(), QColor(0, 0, 0, 256*d->opacity)); buffPainter.end(); painter->drawPixmap(bufferPixmap.rect().translated(QPoint(-left, -top)), bufferPixmap, bufferPixmap.rect()); } } QGraphicsProxyWidget::paint(painter, option, widget); return; } QPixmap bufferPixmap; //normal button if (isEnabled()) { d->background->setElementPrefix("normal"); if (d->animId == -1) { d->background->paintFrame(painter); } //disabled widget } else { bufferPixmap = QPixmap(rect().size().toSize()); bufferPixmap.fill(Qt::transparent); QPainter buffPainter(&bufferPixmap); d->background->paintFrame(&buffPainter); buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn); buffPainter.fillRect(bufferPixmap.rect(), QColor(0, 0, 0, 128)); painter->drawPixmap(0, 0, bufferPixmap); } //if is under mouse draw the animated glow overlay if (isEnabled() && acceptHoverEvents()) { if (d->animId != -1) { d->background->setElementPrefix("normal"); QPixmap normalPix = d->background->framePixmap(); d->background->setElementPrefix("active"); painter->drawPixmap( d->activeRect.topLeft(), PaintUtils::transition(d->background->framePixmap(), normalPix, 1 - d->opacity)); } else if (isUnderMouse()) { d->background->setElementPrefix("active"); d->background->paintFrame(painter, d->activeRect.topLeft()); } } if (nativeWidget()->hasFocus()) { d->background->setElementPrefix("focus"); d->background->paintFrame(painter); } painter->setPen(Theme::defaultTheme()->color(Theme::ButtonTextColor)); QStyleOptionComboBox comboOpt; comboOpt.initFrom(nativeWidget()); comboOpt.palette.setColor( QPalette::ButtonText, Theme::defaultTheme()->color(Theme::ButtonTextColor)); comboOpt.currentIcon = nativeWidget()->itemIcon( nativeWidget()->currentIndex()); comboOpt.currentText = nativeWidget()->itemText( nativeWidget()->currentIndex()); comboOpt.editable = false; nativeWidget()->style()->drawControl( QStyle::CE_ComboBoxLabel, &comboOpt, painter, nativeWidget()); comboOpt.rect = nativeWidget()->style()->subControlRect( QStyle::CC_ComboBox, &comboOpt, QStyle::SC_ComboBoxArrow, nativeWidget()); nativeWidget()->style()->drawPrimitive( QStyle::PE_IndicatorArrowDown, &comboOpt, painter, nativeWidget()); } void ComboBox::focusInEvent(QFocusEvent *event) { if (nativeWidget()->isEditable() && !d->underMouse) { const int FadeInDuration = 75; if (d->animId != -1) { Animator::self()->stopCustomAnimation(d->animId); } d->animId = Animator::self()->customAnimation( 40 / (1000 / FadeInDuration), FadeInDuration, Animator::LinearCurve, this, "animationUpdate"); } QGraphicsProxyWidget::focusInEvent(event); } void ComboBox::focusOutEvent(QFocusEvent *event) { if (nativeWidget()->isEditable() && !d->underMouse) { const int FadeOutDuration = 150; if (d->animId != -1) { Animator::self()->stopCustomAnimation(d->animId != -1); } d->fadeIn = false; d->animId = Animator::self()->customAnimation( 40 / (1000 / FadeOutDuration), FadeOutDuration, Animator::LinearCurve, this, "animationUpdate"); } QGraphicsProxyWidget::focusInEvent(event); } void ComboBox::hoverEnterEvent(QGraphicsSceneHoverEvent *event) { d->underMouse = true; if (nativeWidget()->isEditable() && hasFocus()) { return; } const int FadeInDuration = 75; if (d->animId != -1) { Animator::self()->stopCustomAnimation(d->animId); } d->animId = Animator::self()->customAnimation( 40 / (1000 / FadeInDuration), FadeInDuration, Animator::LinearCurve, this, "animationUpdate"); d->background->setElementPrefix("active"); QGraphicsProxyWidget::hoverEnterEvent(event); } void ComboBox::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { d->underMouse = false; if (nativeWidget()->isEditable() && hasFocus()) { return; } const int FadeOutDuration = 150; if (d->animId != -1) { Animator::self()->stopCustomAnimation(d->animId != -1); } d->fadeIn = false; d->animId = Animator::self()->customAnimation( 40 / (1000 / FadeOutDuration), FadeOutDuration, Animator::LinearCurve, this, "animationUpdate"); d->background->setElementPrefix("active"); QGraphicsProxyWidget::hoverLeaveEvent(event); } void ComboBox::changeEvent(QEvent *event) { if (event->type() == QEvent::FontChange) { d->customFont = true; nativeWidget()->setFont(font()); } QGraphicsProxyWidget::changeEvent(event); } } // namespace Plasma #include