setHandleXLimits();
+ if(model->rowCount() > 0)
+ rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
this, SLOT(rowsInserted(const QModelIndex &, int, int)));
connect(model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
this, SLOT(rowsAboutToBeRemoved(const QModelIndex &, int, int)));
-
- if(model->rowCount() > 0)
- rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+ connect(model, SIGNAL(dataChanged(QModelIndex, QModelIndex)), SLOT(dataChanged(QModelIndex, QModelIndex)));
#ifdef HAVE_WEBKIT
webPreview.timer.setSingleShot(true);
qreal width = _sceneRect.width();
bool atBottom = (start == _lines.count());
bool atTop = !atBottom && (start == 0);
- bool moveTop = false;
if(start < _lines.count()) {
y = _lines.value(start)->y();
}
// neither pre- or append means we have to do dirty work: move items...
- int moveStart = 0;
- int moveEnd = _lines.count() - 1;
- qreal offset = h;
if(!(atTop || atBottom)) {
- // move top means: moving 0 to end (aka: end + 1)
- // move top means: moving end + 1 to _lines.count() - 1 (aka: _lines.count() - (end + 1)
- if(end + 1 < _lines.count() - end - 1) {
- // move top part
- moveTop = true;
- offset = -offset;
- moveEnd = end;
- } else {
- // move bottom part
- moveStart = end + 1;
- }
ChatLine *line = 0;
- for(int i = moveStart; i <= moveEnd; i++) {
+ for(int i = 0; i <= end; i++) {
line = _lines.at(i);
- line->setPos(0, line->pos().y() + offset);
+ line->setPos(0, line->pos().y() - h);
}
}
_firstLineRow = -1;
}
updateSceneRect();
- if(atBottom || (!atTop && !moveTop)) {
+ if(atBottom) {
emit lastLineChanged(_lines.last(), h);
}
}
updateSceneRect();
}
+void ChatScene::dataChanged(const QModelIndex &tl, const QModelIndex &br) {
+ layout(tl.row(), br.row(), _sceneRect.width());
+}
+
void ChatScene::updateForViewport(qreal width, qreal height) {
_viewportHeight = height;
setWidth(width);
void ChatScene::setWidth(qreal width) {
if(width == _sceneRect.width())
return;
- layout(width);
+ layout(0, _lines.count()-1, width);
}
-void ChatScene::layout(qreal width) {
+void ChatScene::layout(int start, int end, qreal width) {
// clock_t startT = clock();
- if(width < 0)
- width = _sceneRect.width();
-
// disabling the index while doing this complex updates is about
// 2 to 10 times faster!
//setItemIndexMethod(QGraphicsScene::NoIndex);
- QList<ChatLine *>::iterator lineIter = _lines.end();
- QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
- qreal linePos = _sceneRect.y() + _sceneRect.height();
- qreal contentsWidth = width - secondColumnHandle()->sceneRight();
- while(lineIter != lineIterBegin) {
- lineIter--;
- (*lineIter)->setGeometryByWidth(width, contentsWidth, linePos);
+ if(end >= 0) {
+ int row = end;
+ qreal linePos = _lines.at(row)->scenePos().y() + _lines.at(row)->height();
+ qreal contentsWidth = width - secondColumnHandle()->sceneRight();
+ while(row >= start) {
+ _lines.at(row--)->setGeometryByWidth(width, contentsWidth, linePos);
+ }
+
+ if(row >= 0) {
+ // remaining items don't need geometry changes, but maybe repositioning?
+ ChatLine *line = _lines.at(row);
+ qreal offset = linePos - (line->scenePos().y() + line->height());
+ if(offset != 0) {
+ while(row >= 0) {
+ line = _lines.at(row--);
+ line->setPos(0, line->scenePos().y() + offset);
+ }
+ }
+ }
}
+
//setItemIndexMethod(QGraphicsScene::BspTreeIndex);
updateSceneRect(width);
if(_firstColHandlePos == xpos)
return;
- _firstColHandlePos = xpos;
+ _firstColHandlePos = xpos >= 0 ? xpos : 0;
ChatViewSettings viewSettings(this);
viewSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
ChatViewSettings defaultSettings;
// Webkit Only stuff
// ========================================
#ifdef HAVE_WEBKIT
-void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
+void ChatScene::loadWebPreview(ChatItem *parentItem, const QUrl &url, const QRectF &urlRect) {
if(!_showWebPreview)
return;
// prepare to load a different URL
if(webPreview.previewItem) {
if(webPreview.previewItem->scene())
- removeItem(webPreview.previewItem);
+ removeItem(webPreview.previewItem);
delete webPreview.previewItem;
webPreview.previewItem = 0;
}
qreal previewY = webPreview.urlRect.bottom();
qreal previewX = webPreview.urlRect.x();
if(previewY + webPreview.previewItem->boundingRect().height() > sceneRect().bottom())
- previewY = webPreview.urlRect.y() - webPreview.previewItem->boundingRect().height();
+ previewY = webPreview.urlRect.y() - webPreview.previewItem->boundingRect().height();
if(previewX + webPreview.previewItem->boundingRect().width() > sceneRect().width())
- previewX = sceneRect().right() - webPreview.previewItem->boundingRect().width();
+ previewX = sceneRect().right() - webPreview.previewItem->boundingRect().width();
webPreview.previewItem->setPos(previewX, previewY);
}
webPreview.previewItem = 0;
}
webPreview.parentItem = 0;
- webPreview.url = QString();
+ webPreview.url = QUrl();
webPreview.urlRect = QRectF();
webPreview.previewState = WebPreview::NoPreview;
}
case WebPreview::ShowPreview:
if(parentItem == 0 || webPreview.parentItem == parentItem) {
if(webPreview.previewItem && webPreview.previewItem->scene())
- removeItem(webPreview.previewItem);
+ removeItem(webPreview.previewItem);
}
// fall through into to set hidden state
case WebPreview::DelayPreview: