}
ChatItem::~ChatItem() {
-
+ delete _layout;
}
QVariant ChatItem::data(int role) const {
}
int ChatItem::setWidth(int w) {
- w -= 10;
if(w == _boundingRect.width()) return _boundingRect.height();
+ prepareGeometryChange();
_boundingRect.setWidth(w);
int h = heightForWidth(w);
_boundingRect.setHeight(h);
return fontMetrics()->lineSpacing(); // only contents can be multi-line
_lines = 1;
- QTextLine line;
WrapColumnFinder finder(this);
- while(finder.nextWrapColumn(line) > 0) _lines++;
+ while(finder.nextWrapColumn() > 0) _lines++;
return _lines * fontMetrics()->lineSpacing();
}
-ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) {
- wrapList = item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
- wordidx = 0;
- layout = 0;
- lastwrapcol = 0;
- lastwrappos = 0;
- w = 0;
-}
-
-ChatItem::WrapColumnFinder::~WrapColumnFinder() {
- delete layout;
-}
-
-int ChatItem::WrapColumnFinder::nextWrapColumn(QTextLine &line) {
- while(wordidx < wrapList.count()) {
- w += wrapList.at(wordidx).width;
- if(w >= item->width()) {
- if(lastwrapcol == wrapList.at(wordidx).start) {
- // first word, and it doesn't fit
- if(!line.isValid()) {
- layout = item->createLayout();
- layout->beginLayout();
- line = layout->createLine();
- line.setLineWidth(item->width());
- layout->endLayout();
- }
- int idx = line.xToCursor((line.textStart() ? 0 : lastwrappos) + item->width());
- qreal x = line.cursorToX(idx);
- idx += line.textStart();
- w = w - x - wrapList.at(wordidx).width;
- if(line.textStart()) lastwrappos += x;
- else lastwrappos = x;
- lastwrapcol = idx;
- return idx;
- }
- // not the first word, so just wrap before this
- lastwrapcol = wrapList.at(wordidx).start;
- lastwrappos = lastwrappos + w - wrapList.at(wordidx).width;
- w = 0;
- return lastwrapcol;
- }
- w += wrapList.at(wordidx).trailing;
- wordidx++;
- }
- return -1;
-}
-
-QTextLayout *ChatItem::createLayout() {
+QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
QTextOption option;
- option.setWrapMode(QTextOption::WrapAnywhere);
+ option.setWrapMode(wrapMode);
+ option.setAlignment(alignment);
layout->setTextOption(option);
QList<QTextLayout::FormatRange> formatRanges
}
void ChatItem::updateLayout() {
- if(!haveLayout()) _layout = createLayout();
-
- // 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())
+ 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;
-
- int col = finder.nextWrapColumn(line);
- line.setNumColumns(col >= 0 ? col - line.textStart() : _layout->text().length());
-
- h += fontMetrics()->leading();
- line.setPosition(QPointF(0, h));
- h += line.height();
+ 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;
}
- _layout->endLayout();
}
void ChatItem::clearLayout() {
_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);
- }
-}
+ //painter->drawRect(boundingRect());
-
-/*
-void ChatItem::layout() {
- if(!_layout.additionalFormats().count()) return; // no text set
- if(_width <= 0) return;
- prepareGeometryChange();
- QFontMetrics metrics(_layout.additionalFormats()[0].format.font());
- int leading = metrics.leading();
- int height = 0;
- _layout.setTextOption(textOption());
- _layout.beginLayout();
- while(1) {
- QTextLine line = _layout.createLine();
- if(!line.isValid()) break;
- line.setLineWidth(_width);
- if(textOption().wrapMode() != QTextOption::NoWrap && line.naturalTextWidth() > _width) {
- // word did not fit, we need to wrap it in the middle
- // this is a workaround for Qt failing to handle WrapAtWordBoundaryOrAnywhere correctly
- QTextOption::WrapMode mode = textOption().wrapMode();
- textOption().setWrapMode(QTextOption::WrapAnywhere);
- _layout.setTextOption(textOption());
- line.setLineWidth(_width);
- textOption().setWrapMode(mode);
- _layout.setTextOption(textOption());
- }
- height += leading;
- line.setPosition(QPoint(0, height));
- height += line.height();
- }
- _layout.endLayout();
- update();
-} QDateTime _timestamp;
- MsgId _msgId;
-
-
-QRectF ChatItem::boundingRect() const {
- return _layout.boundingRect();
}
-void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option); Q_UNUSED(widget);
- _layout.draw(painter, QPointF(0, 0));
-
-}
-*/
-
/*
void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
qDebug() << (void*)this << "moving" << event->pos();
} else QGraphicsTextItem::mouseMoveEvent(event);
}
*/
+
+/*************************************************************************************************/
+
+ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) {
+ wrapList = item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ wordidx = 0;
+ layout = 0;
+ lastwrapcol = 0;
+ lastwrappos = 0;
+ w = 0;
+}
+
+ChatItem::WrapColumnFinder::~WrapColumnFinder() {
+ delete layout;
+}
+
+int ChatItem::WrapColumnFinder::nextWrapColumn() {
+ while(wordidx < wrapList.count()) {
+ w += wrapList.at(wordidx).width;
+ if(w >= item->width()) {
+ if(lastwrapcol >= wrapList.at(wordidx).start) {
+ // first word, and it doesn't fit
+ if(!line.isValid()) {
+ layout = item->createLayout(QTextOption::NoWrap);
+ layout->beginLayout();
+ line = layout->createLine();
+ line.setLineWidth(item->width());
+ layout->endLayout();
+ }
+ 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 idx;
+ }
+ // not the first word, so just wrap before this
+ lastwrapcol = wrapList.at(wordidx).start;
+ lastwrappos = lastwrappos + w - wrapList.at(wordidx).width;
+ w = 0;
+ return lastwrapcol;
+ }
+ w += wrapList.at(wordidx).trailing;
+ wordidx++;
+ }
+ return -1;
+}
projects / quassel.git / blobdiff