CategorieButton::CategorieButton(QPixmap icon, QString name, QWidget *parent) : QWidget(parent) // This widget shows the icon and name of a menu's categorie
{
resize(100, 100);
isHovered = false;
m_iconLabel = new QLabel(this);
m_iconLabel->resize(size());
m_iconLabel->setAlignment(Qt::AlignCenter);
QPixmap modifiedIcon(48, 100);
modifiedIcon.fill(Qt::transparent);
QPainter p(&modifiedIcon);
p.drawPixmap(0, 2, 48, 48, icon);
QTransform t;
p.drawPixmap(0, 50, 48, 48, icon.transformed(t.rotate(180, Qt::XAxis), Qt::SmoothTransformation));
QLinearGradient alphaGradient(0, 0, 0, height());
alphaGradient.setColorAt(0.0, Qt::black);
alphaGradient.setColorAt(0.5, Qt::black);
alphaGradient.setColorAt(0.8, Qt::transparent);
QGraphicsOpacityEffect *iconEffect = new QGraphicsOpacityEffect(this);
iconEffect->setOpacity(1);
iconEffect->setOpacityMask(alphaGradient);
m_iconLabel->setPixmap(modifiedIcon);
m_iconLabel->setGraphicsEffect(iconEffect);
m_nameLabel = new QLabel(name, this);
m_nameLabel->setStyleSheet("color: white;");
QGraphicsDropShadowEffect *nameEffect = new QGraphicsDropShadowEffect();
nameEffect->setOffset(1);
nameEffect->setColor(Qt::black);
m_nameLabel->setGraphicsEffect(nameEffect);
m_nameLabel->setAlignment(Qt::AlignCenter);
m_nameLabel->setGeometry(0, 60, width(), m_nameLabel->height());
}
void TextLabel::drawTextLayout(QPainter *painter, const QTextLayout &layout, const QRect &rect)
{
if (rect.width() < 1 || rect.height() < 1) {
return;
}
QPixmap pixmap(rect.size());
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.setPen(painter->pen());
// Create the alpha gradient for the fade out effect
QLinearGradient alphaGradient(0, 0, 1, 0);
alphaGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
if (layout.textOption().textDirection() == Qt::LeftToRight) {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 255));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 0));
} else {
alphaGradient.setColorAt(0, QColor(0, 0, 0, 0));
alphaGradient.setColorAt(1, QColor(0, 0, 0, 255));
}
QFontMetrics fm(layout.font());
int textHeight = layout.lineCount() * fm.lineSpacing();
QPointF position(0, (rect.height() - textHeight) / 2);
QList<QRect> fadeRects;
int fadeWidth = 30;
// Draw each line in the layout
for (int i = 0; i < layout.lineCount(); i++) {
QTextLine line = layout.lineAt(i);
line.draw(&p, position);
// Add a fade out rect to the list if the line is too long
if (line.naturalTextWidth() > rect.width())
{
int x = int(qMin(line.naturalTextWidth(), (qreal)pixmap.width())) - fadeWidth;
int y = int(line.position().y() + position.y());
QRect r = QStyle::visualRect(layout.textOption().textDirection(), pixmap.rect(),
QRect(x, y, fadeWidth, int(line.height())));
fadeRects.append(r);
}
}
// Reduce the alpha in each fade out rect using the alpha gradient
if (!fadeRects.isEmpty()) {
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
foreach (const QRect &rect, fadeRects) {
p.fillRect(rect, alphaGradient);
}
void MirrorItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * /*widget*/)
{
// TODO: real HQ rendering, skipping the pixmap (better result)!
// generate Reflection pixmap, if needed
if (m_dirty || m_pixmap.isNull() || RenderOpts::HQRendering) {
// change pixmap size to match the bounding rect
if (m_pixmap.size() != m_boundingRect.size().toSize())
m_pixmap = QPixmap(m_boundingRect.width(), m_boundingRect.height());
// clear pixmap
m_pixmap.fill(Qt::transparent);
// find out the Transform chain to mirror a rotated item
QRectF sceneRectF = m_source->mapToScene(m_source->boundingRect()).boundingRect();
QTransform tFromItem = m_source->transform() * QTransform(1, 0, 0, 1, m_source->pos().x(), m_source->pos().y());
QTransform tFromPixmap = QTransform(1, 0, 0, -1.0, sceneRectF.left(), sceneRectF.bottom());
QTransform tItemToPixmap = tFromItem * tFromPixmap.inverted();
// draw the transformed item onto the pixmap
QPainter p(&m_pixmap);
p.setRenderHint(QPainter::Antialiasing, true);
p.setTransform(tItemToPixmap, true);
m_source->paint(&p, 0, 0);
p.end();
// add a linear alpha channel to the image
QPixmap alphaPixmap(m_pixmap.size());
QPainter alphaPainter(&alphaPixmap);
QLinearGradient alphaGradient(0, 0, 0, alphaPixmap.height());
alphaGradient.setColorAt(0.0 , QColor(128, 128, 128));
alphaGradient.setColorAt(0.50, QColor( 32, 32, 32));
alphaGradient.setColorAt(1.0 , QColor( 0, 0, 0));
alphaPainter.fillRect(alphaPixmap.rect(), alphaGradient);
alphaPainter.end();
m_pixmap.setAlphaChannel(alphaPixmap);
// reset dirty
m_dirty = false;
}
// draw the reflection pixmap
if (!option)
painter->drawPixmap(0, 0, m_pixmap);
else
painter->drawPixmap(option->rect, m_pixmap, option->rect);
}
bool ElideFadeDrawer::eventFilter(QObject *obj, QEvent *event) {
if ( event->type() == QEvent::Paint ) {
QLabel *q = static_cast<QLabel*>(obj);
QPainter painter(q);
QFontMetrics fm(q->font());
QRect rect = q->contentsRect();
int flags = q->alignment() | Qt::TextSingleLine;
if ( fm.width(q->text()) > rect.width() ) {
//QPixmap pixmap(rect.size());//, QImage::Format_ARGB32);
QImage pixmap(rect.size(), QImage::Format_ARGB32);
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.setPen(painter.pen());
p.setFont(painter.font());
/*
QLinearGradient gradient(rect.topLeft(), rect.topRight());
QColor from = q->palette().color(QPalette::WindowText);
QColor to = from;
to.setAlpha(0);
gradient.setColorAt(0.8, from);
gradient.setColorAt(1.0, to);
p.setPen(QPen(gradient, 0));
*/
p.drawText(pixmap.rect(), flags, q->text());
QLinearGradient alphaGradient(rect.topLeft(), rect.topRight());
alphaGradient.setColorAt(0.8, QColor(0,0,0,255));
alphaGradient.setColorAt(1.0, QColor(0,0,0,0));
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.fillRect(pixmap.rect(), alphaGradient);
painter.drawImage(rect.topLeft(), pixmap);
}
else {
painter.setPen(q->palette().color(QPalette::WindowText));
painter.drawText(rect, flags, q->text());
}
return true;
}
// standard event processing
return QObject::eventFilter(obj, event);
}
void Carton::paintFaceReflectionTexture(QPainter *painter, Faces face)
{
if (m_specularityValue <= 0)
return;
const Faces emittingFace =
face == FrontReflection?Front
:face == BackReflection?Back
:face == LeftReflection?Left
:/* face == RightReflection? */Right;
const QSizeF faceSize(this->faceSize(face));
const qreal faceWith = faceSize.width();
const qreal faceHeight = faceSize.height();
const qreal reflectionHeight = faceHeight/100 * m_specularityValue;
const qreal remainingFaceHeight = faceHeight - reflectionHeight;
QImage blendImage(QSizeF(faceWith, reflectionHeight).toSize(), QImage::Format_ARGB32);
QPainter blendPainter(&blendImage);
blendPainter.translate(0, -remainingFaceHeight);
paintFaceTexture(&blendPainter, emittingFace);
blendPainter.end();
QImage alphaImage(QSizeF(faceWith, reflectionHeight).toSize(), QImage::Format_ARGB32);
QPainter alphaPainter(&alphaImage);
QLinearGradient alphaGradient(0, 0, 0, faceHeight);
alphaGradient.setColorAt(0, Qt::black);
alphaGradient.setColorAt(1, Qt::lightGray);
alphaPainter.setPen(Qt::NoPen);
alphaPainter.fillRect(QRectF(0, 0, faceWith, reflectionHeight), alphaGradient);
blendImage.setAlphaChannel(alphaImage);
alphaPainter.end();
painter->save();
painter->drawImage(0, int(remainingFaceHeight), blendImage);
painter->restore();
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void FilterParameterWidget::fadeWidget(QWidget* widget, bool in)
{
#if 0
if (m_FaderWidget)
{
m_FaderWidget->close();
}
m_FaderWidget = new FaderWidget(widget);
if(in)
{
setVisible(true);
m_FaderWidget->setFadeIn();
connect(m_FaderWidget, SIGNAL(animationComplete() ),
this, SLOT(show()));
connect(m_FaderWidget, SIGNAL(animationComplete()),
this, SLOT(showBorder()));
widget->setStyleSheet("border: 2px solid MediumBlue;");
}
else
{
m_FaderWidget->setFadeOut();
connect(m_FaderWidget, SIGNAL(animationComplete() ),
this, SLOT(hide()));
}
m_FaderWidget->setStartColor(palette().color(QWidget::backgroundRole()));
m_FaderWidget->start();
#else
fadeIn = in;
QString styleSheet;
QTextStream ss (&styleSheet);
ss << "QFrame#" << this->objectName() << " { ";
ss << "background-color: rgb(223, 183, 175);";
ss << "border: 0px Solid;";
ss << "border-color: rgb(223, 183, 175);";
ss << "border-radius: 5px;";
ss << "}";
if(!fadeIn)
{
startValue = detail::Max;
endValue = 0;
}
else
{
widget->show();
widget->setStyleSheet(styleSheet);
//qDebug() << styleSheet();
fadeIn = in;
startValue = 0;
endValue = detail::Max;
}
QRect rect = geometry();
QLinearGradient alphaGradient(rect.topLeft(), rect.bottomLeft());
alphaGradient.setColorAt(0.5, Qt::black);
alphaGradient.setColorAt(1.0, Qt::black);
if(!effect)
{
effect = new QGraphicsOpacityEffect(this);
effect->setOpacityMask(alphaGradient);
//this->setGraphicsEffect(effect);
}
if(!animation)
{
animation = new QPropertyAnimation(effect, "opacity", this);
animation->setDuration(detail::Duration);
connect(animation, SIGNAL(finished()),
this, SLOT(animationFinished()));
connect(animation, SIGNAL(finished()),
this, SLOT(showBorder()));
}
animation->setStartValue(startValue);
animation->setEndValue(endValue);
animation->start();
#endif
}
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());
}
}
