_contentsItem = new ChatItem(QPersistentModelIndex(index.sibling(index.row(), ChatLineModel::ContentsColumn)), this);
_timestampItem->setPos(0,0);
+ _width = _height = 0;
}
ChatLine::~ChatLine() {
delete _contentsItem;
}
-// FIXME make more efficient by caching width/height
QRectF ChatLine::boundingRect () const {
- return childrenBoundingRect();
+ //return childrenBoundingRect();
+ return QRectF(0, 0, _width, _height);
}
int ChatLine::setColumnWidths(int ts, int sender, int contents) {
_timestampItem->setWidth(ts);
_senderItem->setWidth(sender);
- int h = _contentsItem->setWidth(contents);
+ _height = _contentsItem->setWidth(contents);
_senderItem->setPos(ts, 0);
_contentsItem->setPos(ts + sender, 0);
- return h;
+ _width = ts + sender + contents;
+ return _height;
}
void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
virtual ~ChatLine();
virtual QRectF boundingRect () const;
+ inline int width() const { return _width; }
+ inline int height() const { return _height; }
+
virtual void paint (QPainter * painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
//void layout();
private:
ChatItem *_timestampItem, *_senderItem, *_contentsItem;
+ int _width, _height;
};
#endif
#include "quasselui.h"
ChatScene::ChatScene(MessageModel *model, QObject *parent) : QGraphicsScene(parent), _model(model) {
+ _width = 0;
+ _timestampWidth = 60;
+ _senderWidth = 80;
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(rowsInserted(const QModelIndex &, int, int)));
for(int i = 0; i < model->rowCount(); i++) {
ChatLine *line = new ChatLine(model->index(i, 0));
}
+void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
+ Q_UNUSED(index);
+ // maybe make this more efficient by prepending stuff with negative yval
+ // dunno if that's worth not guranteeing that 0 is on the top...
+ // TODO bulk inserts, iterators
+ int h = 0;
+ int y = 0;
+ if(_width && start > 0) y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(model()->index(i, 0));
+ _lines.insert(i, line);
+ addItem(line);
+ if(_width > 0) {
+ line->setPos(0, y+h);
+ h += line->setColumnWidths(_timestampWidth, _senderWidth, _width - _timestampWidth - _senderWidth);
+ }
+ }
+ if(h > 0) {
+ _height += h;
+ for(int i = end+1; i < _lines.count(); i++) {
+ _lines.value(i)->moveBy(0, h);
+ }
+ setSceneRect(QRectF(0, 0, _width, _height));
+ }
+}
+
void ChatScene::setWidth(int w) {
_width = w;
- int h = 0;
+ _height = 0;
foreach(ChatLine *line, _lines) {
- line->setPos(0, h);
- h += line->setColumnWidths(60, 80, w - 60 - 80);
+ line->setPos(0, _height);
+ _height += line->setColumnWidths(_timestampWidth, _senderWidth, w - _timestampWidth - _senderWidth);
}
- setSceneRect(QRectF(0, 0, w, h));
+ setSceneRect(QRectF(0, 0, _width, _height));
}
void ChatScene::mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent ) {