#include "columnhandleitem.h"
#include "contextmenuactionprovider.h"
#include "iconloader.h"
+#include "mainwin.h"
+#include "markerlineitem.h"
#include "messagefilter.h"
#include "qtui.h"
#include "qtuistyle.h"
_sceneRect(0, 0, width, 0),
_firstLineRow(-1),
_viewportHeight(0),
+ _markerLine(new MarkerLineItem(width)),
+ _markerLineVisible(false),
+ _markerLineValid(false),
+ _markerLineJumpPending(false),
_cutoffMode(CutoffRight),
_selectingItem(0),
_selectionStart(-1),
_singleBufferId = filter->singleBufferId();
}
+ addItem(_markerLine);
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _markerLine, SLOT(sceneRectChanged(const QRectF &)));
+
ChatViewSettings defaultSettings;
int defaultFirstColHandlePos = defaultSettings.value("FirstColumnHandlePos", 80).toInt();
int defaultSecondColHandlePos = defaultSettings.value("SecondColumnHandlePos", 200).toInt();
this, SLOT(rowsInserted(const QModelIndex &, int, int)));
connect(model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
this, SLOT(rowsAboutToBeRemoved(const QModelIndex &, int, int)));
+ connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
+ this, SLOT(rowsRemoved()));
connect(model, SIGNAL(dataChanged(QModelIndex, QModelIndex)), SLOT(dataChanged(QModelIndex, QModelIndex)));
#ifdef HAVE_WEBKIT
return _secondColHandle;
}
+ChatLine *ChatScene::chatLine(MsgId msgId, bool matchExact, bool ignoreDayChange) const {
+ if(!_lines.count())
+ return 0;
+
+ QList<ChatLine*>::ConstIterator start = _lines.begin();
+ QList<ChatLine*>::ConstIterator end = _lines.end();
+ QList<ChatLine*>::ConstIterator middle;
+
+ int n = int(end - start);
+ int half;
+
+ while(n > 0) {
+ half = n >> 1;
+ middle = start + half;
+ if((*middle)->msgId() < msgId) {
+ start = middle + 1;
+ n -= half + 1;
+ } else {
+ n = half;
+ }
+ }
+
+ if(start != end && (*start)->msgId() == msgId && (ignoreDayChange? (*start)->msgType() != Message::DayChange : true))
+ return *start;
+
+ if(matchExact)
+ return 0;
+
+ if(start == _lines.begin()) // not (yet?) in our scene
+ return 0;
+
+ // if we didn't find the exact msgId, take the next-lower one (this makes sense for lastSeen)
+
+ if(start == end) { // higher than last element
+ if(!ignoreDayChange)
+ return _lines.last();
+
+ for(int i = _lines.count() -1; i >= 0; i--) {
+ if(_lines.at(i)->msgType() != Message::DayChange)
+ return _lines.at(i);
+ }
+ return 0;
+ }
+
+ // return the next-lower line
+ if(!ignoreDayChange)
+ return *(--start);
+
+ do {
+ if((*(--start))->msgType() != Message::DayChange)
+ return *start;
+ } while(start != _lines.begin());
+ return 0;
+}
+
ChatItem *ChatScene::chatItemAt(const QPointF &scenePos) const {
- ChatLine *line = qgraphicsitem_cast<ChatLine*>(itemAt(scenePos));
- if(line)
- return line->itemAt(line->mapFromScene(scenePos));
+ foreach(QGraphicsItem *item, items(scenePos, Qt::IntersectsItemBoundingRect, Qt::AscendingOrder)) {
+ ChatLine *line = qgraphicsitem_cast<ChatLine*>(item);
+ if(line)
+ return line->itemAt(line->mapFromScene(scenePos));
+ }
return 0;
}
return false;
}
+void ChatScene::setMarkerLineVisible(bool visible) {
+ _markerLineVisible = visible;
+ if(visible && _markerLineValid)
+ markerLine()->setVisible(true);
+ else
+ markerLine()->setVisible(false);
+}
+
+void ChatScene::setMarkerLine(MsgId msgId) {
+ if(!isSingleBufferScene())
+ return;
+
+ if(!msgId.isValid())
+ msgId = Client::markerLine(singleBufferId());
+
+ if(msgId.isValid()) {
+ ChatLine *line = chatLine(msgId, false, true);
+ if(line) {
+ markerLine()->setChatLine(line);
+ // if this was the last line, we won't see it because it's outside the sceneRect
+ // .. which is exactly what we want :)
+ markerLine()->setPos(line->pos() + QPointF(0, line->height()));
+
+ // DayChange messages might have been hidden outside the scene rect, don't make the markerline visible then!
+ if(markerLine()->pos().y() >= sceneRect().y()) {
+ _markerLineValid = true;
+ if(_markerLineVisible)
+ markerLine()->setVisible(true);
+ if(_markerLineJumpPending) {
+ _markerLineJumpPending = false;
+ if(markerLine()->isVisible()) {
+ markerLine()->ensureVisible(QRectF(), 50, 50);
+ }
+ }
+ return;
+ }
+ }
+ }
+ _markerLineValid = false;
+ markerLine()->setVisible(false);
+}
+
+void ChatScene::jumpToMarkerLine(bool requestBacklog) {
+ if(!isSingleBufferScene())
+ return;
+
+ if(markerLine()->isVisible()) {
+ markerLine()->ensureVisible(QRectF(), 50, 50);
+ return;
+ }
+ if(!_markerLineValid && requestBacklog) {
+ MsgId msgId = Client::markerLine(singleBufferId());
+ if(msgId.isValid()) {
+ _markerLineJumpPending = true;
+ Client::backlogManager()->requestBacklog(singleBufferId(), msgId, -1, -1, 0);
+
+ // If we filtered out the lastSeenMsg (by changing filters after setting it), we'd never jump because the above request
+ // won't fetch any prior lines. Thus, trigger a dynamic backlog request just in case, so repeated
+ // jump tries will eventually cause enough backlog to be fetched.
+ // This is a bit hackish, but not wasteful, as jumping to the top of the ChatView would trigger a dynamic fetch anyway.
+ this->requestBacklog();
+ }
+ }
+}
+
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
-
// QModelIndex sidx = model()->index(start, 2);
// QModelIndex eidx = model()->index(end, 2);
// qDebug() << "rowsInserted:";
for(int i = 0; i <= end; i++) {
line = _lines.at(i);
line->setPos(0, line->pos().y() - h);
+ if(line == markerLine()->chatLine())
+ markerLine()->setPos(line->pos() + QPointF(0, line->height()));
}
}
if(atBottom) {
emit lastLineChanged(_lines.last(), h);
}
+
+ // now move the marker line if necessary. we don't need to do anything if we appended lines though...
+ if(!_markerLineValid)
+ setMarkerLine();
}
void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
bool atTop = (start == 0);
bool atBottom = (end == _lines.count() - 1);
- bool moveTop = false;
// clear selection
if(_selectingItem) {
QList<ChatLine *>::iterator lineIter = _lines.begin() + start;
int lineCount = start;
while(lineIter != _lines.end() && lineCount <= end) {
+ if((*lineIter) == markerLine()->chatLine())
+ markerLine()->setChatLine(0);
h += (*lineIter)->height();
delete *lineIter;
lineIter = _lines.erase(lineIter);
if(_selectionStart >= 0) {
int offset = end - start + 1;
if(_selectionStart >= start)
- _selectionStart = qMax(_selectionStart -= offset, start);
+ _selectionStart = qMax(_selectionStart - offset, start);
if(_selectionEnd >= start)
_selectionEnd -= offset;
if(_firstSelectionRow >= start)
int moveEnd = _lines.count() - 1;
if(start < _lines.count() - start) {
// move top part
- moveTop = true;
moveEnd = start - 1;
} else {
// move bottom part
updateSceneRect();
}
+void ChatScene::rowsRemoved() {
+ // move the marker line if necessary
+ setMarkerLine();
+}
+
void ChatScene::dataChanged(const QModelIndex &tl, const QModelIndex &br) {
layout(tl.row(), br.row(), _sceneRect.width());
}
updateSceneRect(width);
setHandleXLimits();
+ setMarkerLine();
emit layoutChanged();
// clock_t endT = clock();
void ChatScene::setHandleXLimits() {
_firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
_secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);
+ update();
}
void ChatScene::setSelectingItem(ChatItem *item) {
update();
}
-bool ChatScene::event(QEvent *e) {
- if(e->type() == QEvent::ApplicationPaletteChange) {
- _firstColHandle->setColor(QApplication::palette().windowText().color());
- _secondColHandle->setColor(QApplication::palette().windowText().color());
- }
- return QGraphicsScene::event(e);
-}
-
// ========================================
// Webkit Only stuff
// ========================================