_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(handlePositionChanged(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(firstHandlePositionChanged(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(handlePositionChanged(qreal)));
- connect(this, SIGNAL(sceneRectChanged(const QRectF &)), secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
+ _secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator());
+ addItem(_secondColHandle);
+ _secondColHandle->setXPos(_secondColHandlePos);
+ connect(_secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(secondHandlePositionChanged(qreal)));
+
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
setHandleXLimits();
webPreview.deleteTimer.setInterval(600000);
connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
#endif
+
+ setItemIndexMethod(QGraphicsScene::NoIndex);
}
ChatScene::~ChatScene() {
}
}
- 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);
+ //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);
+ //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();
+
+ // 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();
- 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());
+// 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) {
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