const qreal minContentsWidth = 200;
-class ChatScene::ClearWebPreviewEvent : public QEvent {
-public:
- inline ClearWebPreviewEvent() : QEvent((QEvent::Type)ChatScene::ClearWebPreviewEventType) {}
-};
-
ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent)
: QGraphicsScene(0, 0, width, 0, parent),
_idString(idString),
if(model->rowCount() > 0)
rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+#ifdef HAVE_WEBKIT
webPreview.delayTimer.setSingleShot(true);
- connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreview()));
+ connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreviewEvent()));
webPreview.deleteTimer.setInterval(600000);
- connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreview()));
+ connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
+#endif
}
ChatScene::~ChatScene() {
// clock_t startT = clock();
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ setItemIndexMethod(QGraphicsScene::NoIndex);
+
qreal linePos = _sceneRect.y() + _sceneRect.height();
QList<ChatLine *>::iterator lineIter = _lines.end();
QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
line->setPos(0, linePos);
}
}
+ setItemIndexMethod(QGraphicsScene::BspTreeIndex);
updateSceneRect(width);
setHandleXLimits();
void ChatScene::customEvent(QEvent *event) {
switch(event->type()) {
- case ClearWebPreviewEventType:
- clearWebPreviewEvent((ClearWebPreviewEvent *)event);
- break;
default:
return;
}
#endif
}
-void ChatScene::clearWebPreview(ChatItem *parentItem) {
-#ifndef HAVE_WEBKIT
- Q_UNUSED(parentItem)
-#else
- if(parentItem == 0 || webPreview.parentItem == parentItem) {
- // posting an event ensures that the item will not be removed as
- // the result of another event. this could result in bad segfaults
- QCoreApplication::postEvent(this, new ClearWebPreviewEvent());
- }
-#endif
-}
-
-void ChatScene::showWebPreview() {
+void ChatScene::showWebPreviewEvent() {
#ifdef HAVE_WEBKIT
if(webPreview.previewItem)
addItem(webPreview.previewItem);
#endif
}
-void ChatScene::clearWebPreviewEvent(ClearWebPreviewEvent *event) {
-#ifdef HAVE_WEBKIT
- event->accept();
- if(webPreview.previewItem && webPreview.previewItem->scene()) {
- removeItem(webPreview.previewItem);
- webPreview.deleteTimer.start();
+void ChatScene::clearWebPreview(ChatItem *parentItem) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(parentItem)
+#else
+ if(parentItem == 0 || webPreview.parentItem == parentItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
+ removeItem(webPreview.previewItem);
+ webPreview.deleteTimer.start();
+ }
+ webPreview.delayTimer.stop();
}
- webPreview.delayTimer.stop();
#endif
}
-void ChatScene::deleteWebPreview() {
+void ChatScene::deleteWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
if(webPreview.previewItem) {
delete webPreview.previewItem;
webPreview.previewItem = 0;
webPreview.parentItem = 0;
webPreview.url = QString();
webPreview.urlRect = QRectF();
+#endif
}