From 1e12bfe8ca3b3bd8838e99ea06133659f4a38cd5 Mon Sep 17 00:00:00 2001 From: Marco Martin Date: Tue, 30 Sep 2008 16:17:49 +0000 Subject: [PATCH] style with the PushButton svg elements when is not editable svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=866345 --- widgets/combobox.cpp | 199 ++++++++++++++++++++++++++++++++++++++++++- widgets/combobox.h | 9 ++ 2 files changed, 205 insertions(+), 3 deletions(-) diff --git a/widgets/combobox.cpp b/widgets/combobox.cpp index 84c39098a..bd282d337 100644 --- a/widgets/combobox.cpp +++ b/widgets/combobox.cpp @@ -21,11 +21,15 @@ #include #include +#include #include +#include +#include #include "theme.h" -#include "svg.h" +#include "panelsvg.h" +#include "animator.h" namespace Plasma { @@ -33,23 +37,97 @@ namespace Plasma class ComboBoxPrivate { public: - ComboBoxPrivate() + ComboBoxPrivate(ComboBox *comboBox) + : q(comboBox), + background(0), + activeBackgroundPixmap(0) { } ~ComboBoxPrivate() { } + + void renderActiveBackgroundPixmap(); + void syncActiveRect(); + void syncBorders(); + void elementAnimationFinished(int id); + + ComboBox *q; + + PanelSvg *background; + QPixmap *activeBackgroundPixmap; + int animId; + QRectF activeRect; }; +void ComboBoxPrivate::renderActiveBackgroundPixmap() +{ + background->setElementPrefix("active"); + + activeBackgroundPixmap = new QPixmap(activeRect.size().toSize()); + activeBackgroundPixmap->fill(Qt::transparent); + + QPainter painter(activeBackgroundPixmap); + background->paintPanel(&painter); +} + +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(); +} + +void ComboBoxPrivate::elementAnimationFinished(int id) +{ + if (id == animId) { + animId = -1; + } +} + + ComboBox::ComboBox(QGraphicsWidget *parent) : QGraphicsProxyWidget(parent), - d(new ComboBoxPrivate) + d(new ComboBoxPrivate(this)) { KComboBox* native = new KComboBox; connect(native, SIGNAL(activated(const QString &)), this, SIGNAL(activated(const QString &))); setWidget(native); native->setAttribute(Qt::WA_NoSystemBackground); + + d->background = new PanelSvg(this); + d->background->setImagePath("widgets/button"); + d->background->setCacheAllRenderedPanels(true); + d->background->setElementPrefix("normal"); + + d->syncBorders(); + setAcceptHoverEvents(true); + connect(Plasma::Animator::self(), SIGNAL(elementAnimationFinished(int)), this, SLOT(elementAnimationFinished(int))); + connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), SLOT(syncBorders())); } ComboBox::~ComboBox() @@ -89,9 +167,124 @@ void ComboBox::clear() void ComboBox::resizeEvent(QGraphicsSceneResizeEvent *event) { + if (d->background) { + //resize needed panels + d->syncActiveRect(); + + d->background->setElementPrefix("focus"); + d->background->resizePanel(size()); + + d->background->setElementPrefix("active"); + d->background->resizePanel(d->activeRect.size()); + + d->background->setElementPrefix("normal"); + d->background->resizePanel(size()); + + if (d->activeBackgroundPixmap) { + delete d->activeBackgroundPixmap; + d->activeBackgroundPixmap = 0; + } + } + QGraphicsProxyWidget::resizeEvent(event); } +void ComboBox::paint(QPainter *painter, + const QStyleOptionGraphicsItem *option, + QWidget *widget) +{ + if (!styleSheet().isNull() || nativeWidget()->isEditable()) { + QGraphicsProxyWidget::paint(painter, option, widget); + return; + } + + QPixmap bufferPixmap; + + //Normal button, pressed or not + if (isEnabled()) { + d->background->setElementPrefix("normal"); + d->background->paintPanel(painter); + //flat or disabled + } else if (!isEnabled()) { + bufferPixmap = QPixmap(rect().size().toSize()); + bufferPixmap.fill(Qt::transparent); + + QPainter buffPainter(&bufferPixmap); + d->background->paintPanel(&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) { + painter->drawPixmap(d->activeRect.topLeft(), Plasma::Animator::self()->currentPixmap(d->animId) ); + } else if (isUnderMouse()) { + if (d->activeBackgroundPixmap == 0) { + d->renderActiveBackgroundPixmap(); + } + painter->drawPixmap( d->activeRect.topLeft(), *d->activeBackgroundPixmap ); + } + } + + if (nativeWidget()->hasFocus()) { + d->background->setElementPrefix("focus"); + d->background->paintPanel(painter); + } + + + painter->setPen(Plasma::Theme::defaultTheme()->color(Theme::ButtonTextColor)); + + QStyleOptionComboBox comboOpt; + + comboOpt.initFrom(nativeWidget()); + + comboOpt.palette.setColor(QPalette::ButtonText, Plasma::Theme::defaultTheme()->color(Plasma::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::hoverEnterEvent(QGraphicsSceneHoverEvent *event) +{ + if (d->animId != -1) { + Plasma::Animator::self()->stopElementAnimation(d->animId); + } + d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::AppearAnimation); + + d->background->setElementPrefix("active"); + + if (!d->activeBackgroundPixmap) { + d->renderActiveBackgroundPixmap(); + } + Plasma::Animator::self()->setInitialPixmap( d->animId, *d->activeBackgroundPixmap ); + + QGraphicsProxyWidget::hoverEnterEvent(event); +} + +void ComboBox::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) +{ + if (d->animId != -1) { + Plasma::Animator::self()->stopElementAnimation(d->animId); + } + d->animId = Plasma::Animator::self()->animateElement(this, Plasma::Animator::DisappearAnimation); + + d->background->setElementPrefix("active"); + + if (!d->activeBackgroundPixmap) { + d->renderActiveBackgroundPixmap(); + } + Plasma::Animator::self()->setInitialPixmap( d->animId, *d->activeBackgroundPixmap ); + + QGraphicsProxyWidget::hoverLeaveEvent(event); +} + } // namespace Plasma #include diff --git a/widgets/combobox.h b/widgets/combobox.h index dc372708c..a3d55cf37 100644 --- a/widgets/combobox.h +++ b/widgets/combobox.h @@ -86,9 +86,18 @@ Q_SIGNALS: protected: void resizeEvent(QGraphicsSceneResizeEvent *event); + void paint(QPainter *painter, + const QStyleOptionGraphicsItem *option, + QWidget *widget); + void hoverEnterEvent(QGraphicsSceneHoverEvent *event); + void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); private: ComboBoxPrivate * const d; + + friend class ComboBoxPrivate; + Q_PRIVATE_SLOT(d, void syncBorders()) + Q_PRIVATE_SLOT(d, void elementAnimationFinished(int id)) }; } // namespace Plasma