QPixmap texturedText(const QString &text, const QFont &font, Plasma::Svg *texture)
{
QFontMetrics fm(font);
//the text will be moved a bit from contentsRect
QRect contentsRect = fm.boundingRect(text).adjusted(0, 0, 2, 2);
contentsRect.moveTo(0,0);
QPixmap pixmap(contentsRect.size());
pixmap.fill(Qt::transparent);
QPainter buffPainter(&pixmap);
buffPainter.setPen(Qt::black);
buffPainter.setFont(font);
buffPainter.drawText(contentsRect, Qt::AlignCenter, text);
buffPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
texture->paint(&buffPainter, contentsRect, "foreground");
buffPainter.end();
//do the shadow
QImage image(pixmap.size() + QSize(2, 2), QImage::Format_ARGB32_Premultiplied);
image.fill(Qt::transparent);
buffPainter.begin(&image);
buffPainter.setFont(font);
buffPainter.drawText(contentsRect.translated(1, 1), Qt::AlignCenter, text);
buffPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
texture->paint(&buffPainter, contentsRect.adjusted(-1, -1, 1, 1), "shadow");
buffPainter.end();
expblur<16, 7>(image, 1);
//hole in the shadow
buffPainter.begin(&image);
buffPainter.setCompositionMode(QPainter::CompositionMode_DestinationOut);
buffPainter.setFont(font);
buffPainter.drawText(contentsRect.translated(1, 1), Qt::AlignCenter, text);
buffPainter.end();
QPixmap ret(image.size());
ret.fill(Qt::transparent);
buffPainter.begin(&ret);
buffPainter.setCompositionMode(QPainter::CompositionMode_SourceOver);
buffPainter.drawImage(QPoint(0,0), image);
buffPainter.drawPixmap(QPoint(1,1), pixmap);
return ret;
}
void PushButton::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
if (!styleSheet().isNull() || Theme::defaultTheme()->useNativeWidgetStyle()) {
QGraphicsProxyWidget::paint(painter, option, widget);
return;
}
QPixmap bufferPixmap;
//Normal button, pressed or not
if (isEnabled()) {
if (nativeWidget()->isDown() || nativeWidget()->isChecked()) {
d->background->setElementPrefix("pressed");
} else {
d->background->setElementPrefix("normal");
}
//flat or disabled
} else if (!isEnabled() || nativeWidget()->isFlat()) {
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 (!nativeWidget()->isDown() && !nativeWidget()->isChecked() && isEnabled() && acceptHoverEvents() && d->background->hasElementPrefix("active")) {
if (d->hoverAnimation->state() == QAbstractAnimation::Running && !isUnderMouse() && !nativeWidget()->isDefault()) {
d->background->setElementPrefix("active");
d->background->paintFrame(painter, d->activeRect.topLeft());
} else {
painter->drawPixmap(
d->activeRect.topLeft(),
d->hoverAnimation->property("currentPixmap").value<QPixmap>());
}
} else if (isEnabled()) {
d->background->paintFrame(painter);
}
painter->setPen(Plasma::Theme::defaultTheme()->color(Theme::ButtonTextColor));
if (nativeWidget()->isDown()) {
painter->translate(QPoint(1, 1));
}
QRectF rect = contentsRect();
if (!nativeWidget()->icon().isNull()) {
const qreal iconSize = qMin(rect.width(), rect.height());
QPixmap iconPix = nativeWidget()->icon().pixmap(iconSize);
if (!isEnabled()) {
KIconEffect *effect = KIconLoader::global()->iconEffect();
iconPix = effect->apply(iconPix, KIconLoader::Toolbar, KIconLoader::DisabledState);
}
QRect pixmapRect;
if (nativeWidget()->text().isEmpty()) {
pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignCenter, iconPix.size(), rect.toRect());
} else {
pixmapRect = nativeWidget()->style()->alignedRect(option->direction, Qt::AlignLeft|Qt::AlignVCenter, iconPix.size(), rect.toRect());
}
painter->drawPixmap(pixmapRect.topLeft(), iconPix);
if (option->direction == Qt::LeftToRight) {
rect.adjust(rect.height(), 0, 0, 0);
} else {
rect.adjust(0, 0, -rect.height(), 0);
}
}
QFontMetricsF fm(font());
// If the height is too small increase the Height of the button to shall the whole text #192988
if (rect.height() < fm.height()) {
rect.setHeight(fm.height());
rect.moveTop(boundingRect().center().y() - rect.height() / 2);
}
// If there is not enough room for the text make it to fade out
if (rect.width() < fm.width(nativeWidget()->text())) {
if (bufferPixmap.isNull()) {
bufferPixmap = QPixmap(rect.size().toSize());
}
bufferPixmap.fill(Qt::transparent);
QPainter p(&bufferPixmap);
p.setPen(painter->pen());
p.setFont(font());
// Create the alpha gradient for the fade out effect
QLinearGradient alphaGradient(0, 0, 1, 0);
alphaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
if (option->direction == Qt::LeftToRight) {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 255));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 0));
p.drawText(bufferPixmap.rect(), Qt::AlignLeft|Qt::AlignVCenter|Qt::TextShowMnemonic,
nativeWidget()->text());
} else {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 0));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 255));
p.drawText(bufferPixmap.rect(), Qt::AlignRight|Qt::AlignVCenter|Qt::TextShowMnemonic,
nativeWidget()->text());
}
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.fillRect(bufferPixmap.rect(), alphaGradient);
painter->drawPixmap(rect.topLeft(), bufferPixmap);
} else {
painter->setFont(font());
painter->drawText(rect, Qt::AlignCenter|Qt::TextShowMnemonic, nativeWidget()->text());
}
}
