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),
_sceneRect(0, 0, width, 0),
_firstLineRow(-1),
_viewportHeight(0),
+ _cutoffMode(CutoffRight),
_selectingItem(0),
_selectionStart(-1),
- _isSelecting(false),
- _lastBacklogSize(0)
+ _isSelecting(false)
{
MessageFilter *filter = qobject_cast<MessageFilter*>(model);
if(filter) {
int defaultSecondColHandlePos = defaultSettings.value("SecondColumnHandlePos", 200).toInt();
ChatViewSettings viewSettings(this);
- firstColHandlePos = viewSettings.value("FirstColumnHandlePos", defaultFirstColHandlePos).toInt();
- secondColHandlePos = viewSettings.value("SecondColumnHandlePos", defaultSecondColHandlePos).toInt();
+ _firstColHandlePos = viewSettings.value("FirstColumnHandlePos", defaultFirstColHandlePos).toInt();
+ _secondColHandlePos = viewSettings.value("SecondColumnHandlePos", defaultSecondColHandlePos).toInt();
+
+ _firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator());
+ addItem(_firstColHandle);
+ _firstColHandle->setXPos(_firstColHandlePos);
+ connect(_firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(firstHandlePositionChanged(qreal)));
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _firstColHandle, SLOT(sceneRectChanged(const QRectF &)));
- firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator());
- addItem(firstColHandle);
- firstColHandle->setXPos(firstColHandlePos);
- connect(firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
- connect(this, SIGNAL(sceneRectChanged(const QRectF &)), firstColHandle, SLOT(sceneRectChanged(const QRectF &)));
+ _secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator());
+ addItem(_secondColHandle);
+ _secondColHandle->setXPos(_secondColHandlePos);
+ connect(_secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(secondHandlePositionChanged(qreal)));
- secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator());
- addItem(secondColHandle);
- secondColHandle->setXPos(secondColHandlePos);
- connect(secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
- connect(this, SIGNAL(sceneRectChanged(const QRectF &)), secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
setHandleXLimits();
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(deleteWebPreviewEvent()));
+#endif
- // installEventFilter(this);
setItemIndexMethod(QGraphicsScene::NoIndex);
}
}
}
- Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
- Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
+ Q_ASSERT(start == 0 || start >= _lines.count() || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
// update sceneRect
// when searching for the first non-date-line we have to take into account that our
setWidth(width);
}
-// setWidth is used for 2 things:
-// a) updating the scene to fit the width of the corresponding view
-// b) to update the positions of the items if a columhandle has changed it's position
-// forceReposition is true in the second case
-// this method features some codeduplication for the sake of performance
-void ChatScene::setWidth(qreal width, bool forceReposition) {
- if(width == _sceneRect.width() && !forceReposition)
+void ChatScene::setWidth(qreal width) {
+ if(width == _sceneRect.width())
return;
-// clock_t startT = clock();
+ // 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();
- ChatLine *line = 0;
- qreal lineHeight = 0;
+ qreal linePos = _sceneRect.y() + _sceneRect.height();
qreal contentsWidth = width - secondColumnHandle()->sceneRight();
-
- if(forceReposition) {
- qreal timestampWidth = firstColumnHandle()->sceneLeft();
- qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
- QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
- QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
- while(lineIter != lineIterBegin) {
- lineIter--;
- line = *lineIter;
- lineHeight = line->setColumns(timestampWidth, senderWidth, contentsWidth, senderPos, contentsPos);
- linePos -= lineHeight;
- line->setPos(0, linePos);
- }
- } else {
- while(lineIter != lineIterBegin) {
- lineIter--;
- line = *lineIter;
- lineHeight = line->setGeometryByWidth(width, contentsWidth);
- linePos -= lineHeight;
- line->setPos(0, linePos);
- }
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ (*lineIter)->setGeometryByWidth(width, contentsWidth, linePos);
}
+ //setItemIndexMethod(QGraphicsScene::BspTreeIndex);
updateSceneRect(width);
setHandleXLimits();
// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec";
}
-void ChatScene::handlePositionChanged(qreal xpos) {
- bool first = (sender() == firstColHandle);
- qreal oldx;
- if(first) {
- oldx = firstColHandlePos;
- firstColHandlePos = xpos;
- } else {
- oldx = secondColHandlePos;
- secondColHandlePos = xpos;
- }
+void ChatScene::firstHandlePositionChanged(qreal xpos) {
+ if(_firstColHandlePos == xpos)
+ return;
+ _firstColHandlePos = xpos;
ChatViewSettings viewSettings(this);
- viewSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- viewSettings.setValue("SecondColumnHandlePos", secondColHandlePos);
+ viewSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
+ ChatViewSettings defaultSettings;
+ defaultSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
+
+ // clock_t startT = clock();
+ // 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 timestampWidth = firstColumnHandle()->sceneLeft();
+ qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
+
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ (*lineIter)->setFirstColumn(timestampWidth, senderWidth, senderPos);
+ }
+ //setItemIndexMethod(QGraphicsScene::BspTreeIndex);
+
+ setHandleXLimits();
+
+// clock_t endT = clock();
+// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec";
+}
+
+void ChatScene::secondHandlePositionChanged(qreal xpos) {
+ if(_secondColHandlePos == xpos)
+ return;
+
+ _secondColHandlePos = xpos;
+ ChatViewSettings viewSettings(this);
+ viewSettings.setValue("SecondColumnHandlePos", _secondColHandlePos);
ChatViewSettings defaultSettings;
- defaultSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- defaultSettings.setValue("SecondColumnHandlePos", secondColHandlePos);
+ defaultSettings.setValue("SecondColumnHandlePos", _secondColHandlePos);
+
+ // clock_t startT = clock();
- setWidth(width(), true); // readjust all chatlines
- // we get ugly redraw errors if we don't update this explicitly... :(
- // width() should be the same for both handles, so just use firstColHandle regardless
- //update(qMin(oldx, xpos), 0, qMax(oldx, xpos) + firstColHandle->width(), height());
+ // 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 senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ qreal contentsWidth = _sceneRect.width() - secondColumnHandle()->sceneRight();
+ QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ (*lineIter)->setSecondColumn(senderWidth, contentsWidth, contentsPos, linePos);
+ }
+ //setItemIndexMethod(QGraphicsScene::BspTreeIndex);
+
+ setHandleXLimits();
+
+// clock_t endT = clock();
+// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec";
}
void ChatScene::setHandleXLimits() {
- firstColHandle->setXLimits(0, secondColHandle->sceneLeft());
- secondColHandle->setXLimits(firstColHandle->sceneRight(), width() - minContentsWidth);
+ _firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
+ _secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);
}
void ChatScene::setSelectingItem(ChatItem *item) {
void ChatScene::updateSelection(const QPointF &pos) {
// This is somewhat hacky... we look at the contents item that is at the cursor's y position (ignoring x), since
// it has the full height. From this item, we can then determine the row index and hence the ChatLine.
- ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(secondColHandle->sceneRight() + 1, pos.y())));
+ ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(_secondColHandle->sceneRight() + 1, pos.y())));
if(!contentItem) return;
int curRow = contentItem->row();
int curColumn;
- if(pos.x() > secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
- else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
+ if(pos.x() > _secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
+ else if(pos.x() > _firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
else curColumn = ChatLineModel::TimestampColumn;
ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
}
void ChatScene::requestBacklog() {
- static const int REQUEST_COUNT = 500;
- int backlogSize = model()->rowCount();
- if(isSingleBufferScene() && backlogSize != 0 && _lastBacklogSize + REQUEST_COUNT <= backlogSize) {
- QModelIndex msgIdx = model()->index(0, 0);
- while((Message::Type)(model()->data(msgIdx, ChatLineModel::TypeRole).toInt()) == Message::DayChange) {
- msgIdx = msgIdx.sibling(msgIdx.row() + 1, 0);
- }
- MsgId msgId = model()->data(msgIdx, ChatLineModel::MsgIdRole).value<MsgId>();
- BufferId bufferId = model()->data(msgIdx, ChatLineModel::BufferIdRole).value<BufferId>();
- _lastBacklogSize = backlogSize;
- Client::backlogManager()->requestBacklog(bufferId, REQUEST_COUNT, msgId.toInt());
- }
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->requestBacklog();
+ return;
}
int ChatScene::sectionByScenePos(int x) {
- if(x < firstColHandle->x())
+ if(x < _firstColHandle->x())
return ChatLineModel::TimestampColumn;
- if(x < secondColHandle->x())
+ if(x < _secondColHandle->x())
return ChatLineModel::SenderColumn;
return ChatLineModel::ContentsColumn;
}
-void ChatScene::updateSceneRect() {
+void ChatScene::updateSceneRect(qreal width) {
if(_lines.isEmpty()) {
- updateSceneRect(QRectF(0, 0, _sceneRect.width(), 0));
+ updateSceneRect(QRectF(0, 0, width, 0));
return;
}
}
// the following call should be safe. If it crashes something went wrong during insert/remove
- ChatLine *firstLine = _lines.at(_firstLineRow);
- ChatLine *lastLine = _lines.last();
- updateSceneRect(QRectF(0, firstLine->pos().y(), _sceneRect.width(), lastLine->pos().y() + lastLine->height() - firstLine->pos().y()));
-}
-
-void ChatScene::updateSceneRect(qreal width) {
- _sceneRect.setWidth(width);
- updateSceneRect();
+ if(_firstLineRow < _lines.count()) {
+ ChatLine *firstLine = _lines.at(_firstLineRow);
+ ChatLine *lastLine = _lines.last();
+ updateSceneRect(QRectF(0, firstLine->pos().y(), width, lastLine->pos().y() + lastLine->height() - firstLine->pos().y()));
+ } else {
+ // empty scene rect
+ updateSceneRect(QRectF(0, 0, width, 0));
+ }
}
void ChatScene::updateSceneRect(const QRectF &rect) {
void ChatScene::customEvent(QEvent *event) {
switch(event->type()) {
- case ClearWebPreviewEventType:
- clearWebPreviewEvent((ClearWebPreviewEvent *)event);
- break;
default:
return;
}
if(webPreview.url != url) {
webPreview.url = url;
// load a new web view and delete the old one (if exists)
- if(webPreview.previewItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
removeItem(webPreview.previewItem);
delete webPreview.previewItem;
}
webPreview.previewItem = new WebPreviewItem(url);
webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
+ } else if(webPreview.previewItem && !webPreview.previewItem->scene()) {
+ // we just have to readd the item to the scene
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
}
if(webPreview.urlRect != urlRect) {
webPreview.urlRect = urlRect;
#endif
}
+void ChatScene::showWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem)
+ addItem(webPreview.previewItem);
+#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());
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
+ removeItem(webPreview.previewItem);
+ webPreview.deleteTimer.start();
+ }
+ webPreview.delayTimer.stop();
}
#endif
}
-void ChatScene::showWebPreview() {
+void ChatScene::deleteWebPreviewEvent() {
#ifdef HAVE_WEBKIT
- if(webPreview.previewItem)
- addItem(webPreview.previewItem);
-#endif
-}
-
-void ChatScene::clearWebPreviewEvent(ClearWebPreviewEvent *event) {
-#ifdef HAVE_WEBKIT
- event->accept();
if(webPreview.previewItem) {
- if(webPreview.previewItem->scene()) {
- removeItem(webPreview.previewItem);
- }
delete webPreview.previewItem;
webPreview.previewItem = 0;
}
webPreview.urlRect = QRectF();
#endif
}
-
-bool ChatScene::eventFilter(QObject *watched, QEvent *event) {
- qDebug() << watched << event;
- return false;
-}
-
projects / quassel.git / blobdiff