return model()->data(index, role);
}
+qint16 ChatItem::posToCursor(const QPointF &pos) const {
+ if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
+ if(pos.y() < 0) return 0;
+
+ QTextLayout layout;
+ initLayout(&layout);
+ for(int l = layout.lineCount() - 1; l >= 0; l--) {
+ QTextLine line = layout.lineAt(l);
+ if(pos.y() >= line.y()) {
+ return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
+ }
+ }
+ return 0;
+}
+
void ChatItem::initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
Q_ASSERT(layout);
layout->setTextOption(option);
QList<QTextLayout::FormatRange> formatRanges
- = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
+ = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length(), data(ChatLineModel::MsgLabelRole).toUInt());
layout->setAdditionalFormats(formatRanges);
}
void ChatItem::doLayout(QTextLayout *layout) const {
+ qreal h = 0;
layout->beginLayout();
- QTextLine line = layout->createLine();
- if(line.isValid()) {
+ forever {
+ QTextLine line = layout->createLine();
+ if(!line.isValid())
+ break;
line.setLineWidth(width());
- line.setPosition(QPointF(0,0));
+ line.setPosition(QPointF(0, h));
+ h += line.height();
}
layout->endLayout();
}
+void ChatItem::paintBackground(QPainter *painter) {
+ painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
+
+ QVariant bgBrush;
+ if(_selectionMode == FullSelection)
+ bgBrush = data(ChatLineModel::SelectedBackgroundRole);
+ else
+ bgBrush = data(ChatLineModel::BackgroundRole);
+ if(bgBrush.isValid())
+ painter->fillRect(boundingRect(), bgBrush.value<QBrush>());
+}
// NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data
// This is a deliberate trade-off. (-> selectFmt creation, data() call)
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
- QVector<QTextLayout::FormatRange> formats = additionalFormats();
- QTextLayout::FormatRange selectFmt = selectionFormat();
- if(selectFmt.format.isValid()) formats.append(selectFmt);
+ paintBackground(painter);
+
QTextLayout layout;
initLayout(&layout);
- layout.draw(painter, QPointF(0,0), formats, boundingRect());
+ layout.draw(painter, QPointF(0,0), selectionFormats(), boundingRect());
// layout()->draw(painter, QPointF(0,0), formats, boundingRect());
// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
}
-qint16 ChatItem::posToCursor(const QPointF &pos) const {
- if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
- if(pos.y() < 0) return 0;
+QVector<QTextLayout::FormatRange> ChatItem::selectionFormats() const {
+ if(!hasSelection())
+ return QVector<QTextLayout::FormatRange>();
- QTextLayout layout;
- initLayout(&layout);
- for(int l = layout.lineCount() - 1; l >= 0; l--) {
- QTextLine line = layout.lineAt(l);
- if(pos.y() >= line.y()) {
- return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
- }
+ int start, end;
+ if(_selectionMode == FullSelection) {
+ start = 0;
+ end = data(MessageModel::DisplayRole).toString().length();
+ } else {
+ start = qMin(_selectionStart, _selectionEnd);
+ end = qMax(_selectionStart, _selectionEnd);
}
- return 0;
+
+ UiStyle::FormatList fmtList = data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+
+ while(fmtList.count() >=2 && fmtList.at(1).first <= start)
+ fmtList.removeFirst();
+
+ fmtList.first().first = start;
+
+ while(fmtList.count() >= 2 && fmtList.last().first >= end)
+ fmtList.removeLast();
+
+ return QtUi::style()->toTextLayoutList(fmtList, end, UiStyle::Selected|data(ChatLineModel::MsgLabelRole).toUInt()).toVector();
}
bool ChatItem::hasSelection() const {
return false;
}
-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();
void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
Q_UNUSED(option); Q_UNUSED(widget);
+ paintBackground(painter);
- painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
QTextLayout layout;
initLayout(&layout);
qreal layoutWidth = layout.minimumWidth();
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(layout.boundingRect().toRect().size());
pixmap.fill(Qt::transparent);
QPainter pixPainter(&pixmap);
- layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector<QTextLayout::FormatRange>() << selectFmt);
+ layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), selectionFormats());
pixPainter.end();
// Create alpha channel mask
pixmap.setAlphaChannel(mask);
painter->drawPixmap(0, 0, pixmap);
} else {
- layout.draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());
+ layout.draw(painter, QPointF(0,0), selectionFormats(), boundingRect());
}
}
: ChatItem(0, 0, pos, parent),
_data(0)
{
- const QAbstractItemModel *model_ = model();
- QModelIndex index = model_->index(row(), column());
- _fontMetrics = QtUi::style()->fontMetrics(model_->data(index, ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
-
setGeometryByWidth(width);
}
+QFontMetricsF *ContentsChatItem::fontMetrics() const {
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
+}
+
ContentsChatItem::~ContentsChatItem() {
delete _data;
}
}
qreal ContentsChatItem::setGeometryByWidth(qreal w) {
- if(w != width()) {
+ if(w == width()) {
+ //qDebug() << Q_FUNC_INFO << "Geometry change requested with identical width!";
+ }
+ // We use this for reloading layout info as well
+ //if(w != width()) {
prepareGeometryChange();
setWidth(w);
- // compute height
- int lines = 1;
- WrapColumnFinder finder(this);
- while(finder.nextWrapColumn() > 0)
- lines++;
- setHeight(lines * fontMetrics()->lineSpacing());
+ QTextLayout layout;
+ initLayout(&layout);
+ setHeight(layout.boundingRect().height());
delete _data;
_data = 0;
- }
+ //}
return height();
}
-void ContentsChatItem::doLayout(QTextLayout *layout) const {
- ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
- if(!wrapList.count()) return; // empty chatitem
-
- qreal h = 0;
- WrapColumnFinder finder(this);
- layout->beginLayout();
- forever {
- QTextLine line = layout->createLine();
- if(!line.isValid())
- break;
-
- int col = finder.nextWrapColumn();
- line.setNumColumns(col >= 0 ? col - line.textStart() : layout->text().length());
- line.setPosition(QPointF(0, h));
- h += fontMetrics()->lineSpacing();
- }
- layout->endLayout();
-}
-
// NOTE: This method is not threadsafe and not reentrant!
// (RegExps are not constant while matching, and they are static here for efficiency)
QList<ContentsChatItem::Clickable> ContentsChatItem::findClickables() const {
// For matching URLs
static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
- static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]'])");
+ static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]'^])");
static QRegExp regExp[] = {
// URL
/*************************************************************************************************/
-ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item)
- : item(_item),
- wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
- wordidx(0),
- lineCount(0),
- choppedTrailing(0)
-{
-}
-
-ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
-}
-
-qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() {
- if(wordidx >= wrapList.count())
- return -1;
-
- lineCount++;
- qreal targetWidth = lineCount * item->width() + choppedTrailing;
-
- qint16 start = wordidx;
- qint16 end = wrapList.count() - 1;
-
- // check if the whole line fits
- if(wrapList.at(end).endX <= targetWidth) // || start == end)
- return -1;
-
- // check if we have a very long word that needs inter word wrap
- if(wrapList.at(start).endX > targetWidth) {
- if(!line.isValid()) {
- item->initLayoutHelper(&layout, QTextOption::NoWrap);
- layout.beginLayout();
- line = layout.createLine();
- layout.endLayout();
- }
- return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
- }
-
- while(true) {
- if(start + 1 == end) {
- wordidx = end;
- const ChatLineModel::Word &lastWord = wrapList.at(start); // the last word we were able to squeeze in
-
- // both cases should be cought preliminary
- Q_ASSERT(lastWord.endX <= targetWidth); // ensure that "start" really fits in
- Q_ASSERT(end < wrapList.count()); // ensure that start isn't the last word
-
- choppedTrailing += lastWord.trailing - (targetWidth - lastWord.endX);
- return wrapList.at(wordidx).start;
- }
-
- qint16 pivot = (end + start) / 2;
- if(wrapList.at(pivot).endX > targetWidth) {
- end = pivot;
- } else {
- start = pivot;
- }
- }
- Q_ASSERT(false);
- return -1;
-}
-
-/*************************************************************************************************/
-