void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
Q_UNUSED(option); Q_UNUSED(widget);
painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
- //if(_selectionMode == FullSelection) {
- //painter->save();
- //painter->fillRect(boundingRect(), QApplication::palette().brush(QPalette::Highlight));
- //painter->restore();
- //}
QVector<QTextLayout::FormatRange> formats = additionalFormats();
- if(_selectionMode != NoSelection) {
- QTextLayout::FormatRange selectFmt;
- selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText));
- selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight));
- if(_selectionMode == PartialSelection) {
- selectFmt.start = qMin(_selectionStart, _selectionEnd);
- selectFmt.length = qAbs(_selectionStart - _selectionEnd);
- } else { // FullSelection
- selectFmt.start = 0;
- selectFmt.length = data(MessageModel::DisplayRole).toString().length();
- }
- formats.append(selectFmt);
- }
+ QTextLayout::FormatRange selectFmt = selectionFormat();
+ if(selectFmt.format.isValid()) formats.append(selectFmt);
layout()->draw(painter, QPointF(0,0), formats, boundingRect());
// Debuging Stuff
update();
}
+QTextLayout::FormatRange ChatItem::selectionFormat() const {
+ QTextLayout::FormatRange selectFmt;
+ if(_selectionMode != NoSelection) {
+ selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText));
+ selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight));
+ if(_selectionMode == PartialSelection) {
+ selectFmt.start = qMin(_selectionStart, _selectionEnd);
+ selectFmt.length = qAbs(_selectionStart - _selectionEnd);
+ } else { // FullSelection
+ selectFmt.start = 0;
+ selectFmt.length = data(MessageModel::DisplayRole).toString().length();
+ }
+ } else {
+ selectFmt.start = -1;
+ selectFmt.length = 0;
+ }
+ return selectFmt;
+}
+
QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
QList<QRectF> resultList;
const QAbstractItemModel *model_ = model();
// SenderChatItem
// ************************************************************
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+
+ //painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
+ qreal layoutWidth = layout()->minimumWidth();
+ qreal offset = 0;
+ if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft)
+ offset = qMin(width() - layoutWidth, (qreal)0);
+ else
+ offset = qMax(layoutWidth - width(), (qreal)0);
+
+ QTextLayout::FormatRange selectFmt = selectionFormat();
+
+ if(layoutWidth > width()) {
+ // Draw a nice gradient for longer items
+ // Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead
+ QPixmap pixmap(QSize(layout()->boundingRect().width(), layout()->boundingRect().height()));
+ pixmap.fill(Qt::transparent);
+ QPainter pixPainter(&pixmap);
+ layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector<QTextLayout::FormatRange>() << selectFmt);
+ pixPainter.end();
+
+ // Create alpha channel mask
+ QPixmap mask(pixmap.size());
+ QPainter maskPainter(&mask);
+ QLinearGradient gradient;
+ if(offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::black);
+ gradient.setColorAt(1, Qt::white);
+ } else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::black);
+ }
+ maskPainter.fillRect(boundingRect(), gradient);
+ pixmap.setAlphaChannel(mask);
+ painter->drawPixmap(0, 0, pixmap);
+ } else {
+ layout()->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());
+ }
+}
+
// ************************************************************
// ContentsChatItem
// ************************************************************