}
int ChatItem::setWidth(int w) {
- w -= 10;
if(w == _boundingRect.width()) return _boundingRect.height();
_boundingRect.setWidth(w);
int h = heightForWidth(w);
return _lines * fontMetrics()->lineSpacing();
}
+QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
+ QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
+
+ QTextOption option;
+ option.setWrapMode(wrapMode);
+ option.setAlignment(alignment);
+ layout->setTextOption(option);
+
+ QList<QTextLayout::FormatRange> formatRanges
+ = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
+ layout->setAdditionalFormats(formatRanges);
+ return layout;
+}
+
+void ChatItem::updateLayout() {
+ switch(data(ChatLineModel::ColumnTypeRole).toUInt()) {
+ case ChatLineModel::TimestampColumn:
+ if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft);
+ // fallthrough
+ case ChatLineModel::SenderColumn:
+ if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere, Qt::AlignRight);
+ _layout->beginLayout();
+ {
+ QTextLine line = _layout->createLine();
+ if(line.isValid()) {
+ line.setLineWidth(width());
+ line.setPosition(QPointF(0, fontMetrics()->leading()));
+ }
+ _layout->endLayout();
+ }
+ break;
+ case ChatLineModel::ContentsColumn: {
+ if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere);
+
+ // Now layout
+ ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ if(!wrapList.count()) return; // empty chatitem
+ int wordidx = 0;
+ ChatLineModel::Word word = wrapList.at(0);
+
+ 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());
+
+ h += fontMetrics()->leading();
+ line.setPosition(QPointF(0, h));
+ h += line.height();
+ }
+ _layout->endLayout();
+ }
+ break;
+ }
+}
+
+void ChatItem::clearLayout() {
+ delete _layout;
+ _layout = 0;
+}
+
+void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ if(!haveLayout()) updateLayout();
+ _layout->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>(), boundingRect());
+ //painter->drawRect(boundingRect());
+
+}
+
+/*
+void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
+ qDebug() << (void*)this << "moving" << event->pos();
+ if(event->pos().y() < 0) {
+ QTextCursor cursor(document());
+ //cursor.insertText("foo");
+ //cursor.select(QTextCursor::Document);
+ event->ignore();
+ } else QGraphicsTextItem::mouseMoveEvent(event);
+}
+*/
+
+/*************************************************************************************************/
+
ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) {
wrapList = item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
wordidx = 0;
line.setLineWidth(item->width());
layout->endLayout();
}
- int idx = line.xToCursor(lastwrappos + item->width());
- qreal x = line.cursorToX(idx);
+ int idx = line.xToCursor(lastwrappos + item->width(), QTextLine::CursorOnCharacter);
+ qreal x = line.cursorToX(idx, QTextLine::Trailing);
w = w - wrapList.at(wordidx).width - (x - lastwrappos);
lastwrappos = x;
lastwrapcol = idx;
}
return -1;
}
-
-QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode) {
- QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
-
- QTextOption option;
- option.setWrapMode(wrapMode);
- layout->setTextOption(option);
-
- QList<QTextLayout::FormatRange> formatRanges
- = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
- layout->setAdditionalFormats(formatRanges);
- return layout;
-}
-
-void ChatItem::updateLayout() {
- if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere);
-
- // Now layout
- ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
- if(!wrapList.count()) return; // empty chatitem
- int wordidx = 0;
- ChatLineModel::Word word = wrapList.at(0);
-
- 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());
-
- h += fontMetrics()->leading();
- line.setPosition(QPointF(0, h));
- h += line.height();
- }
- _layout->endLayout();
-}
-
-void ChatItem::clearLayout() {
- delete _layout;
- _layout = 0;
-}
-
-//int ChatItem::findNextWrapColumn(
-
-void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option); Q_UNUSED(widget);
- if(!haveLayout()) updateLayout();
- _layout->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>(), boundingRect());
- painter->drawRect(boundingRect());
- int width = 0;
- QVariantList wrapList = data(ChatLineModel::WrapListRole).toList();
- for(int i = 2; i < wrapList.count(); i+=2) {
- QRect r(wrapList[i-1].toUInt(), 0, wrapList[i+1].toUInt() - wrapList[i-1].toUInt(), fontMetrics()->lineSpacing());
- painter->drawRect(r);
- }
-}
-
-/*
-void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
- qDebug() << (void*)this << "moving" << event->pos();
- if(event->pos().y() < 0) {
- QTextCursor cursor(document());
- //cursor.insertText("foo");
- //cursor.select(QTextCursor::Document);
- event->ignore();
- } else QGraphicsTextItem::mouseMoveEvent(event);
-}
-*/