#include <QApplication>
#include <QClipboard>
+#include <QDrag>
#include <QGraphicsSceneMouseEvent>
+#include <QMenu>
#include <QPersistentModelIndex>
+#include <QWebView>
#include "chatitem.h"
#include "chatline.h"
#include "chatlinemodelitem.h"
#include "chatscene.h"
+#include "chatview.h"
#include "client.h"
#include "clientbacklogmanager.h"
#include "columnhandleitem.h"
+#include "iconloader.h"
#include "messagefilter.h"
#include "qtui.h"
#include "qtuistyle.h"
const qreal minContentsWidth = 200;
-ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent)
- : QGraphicsScene(0, 0, width, 0, parent),
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent)
+ : QGraphicsScene(0, 0, width, 0, (QObject *)parent),
+ _chatView(parent),
_idString(idString),
_model(model),
_singleBufferScene(false),
_sceneRect(0, 0, width, 0),
+ _firstLineRow(-1),
_viewportHeight(0),
+ _cutoffMode(CutoffRight),
_selectingItem(0),
_selectionStart(-1),
_isSelecting(false),
- _lastBacklogSize(0)
+ _clickMode(NoClick),
+ _clickHandled(true),
+ _leftButtonPressed(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();
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(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)));
+ this, SLOT(rowsAboutToBeRemoved(const QModelIndex &, int, int)));
if(model->rowCount() > 0)
rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+
+#ifdef HAVE_WEBKIT
+ webPreview.delayTimer.setSingleShot(true);
+ connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreviewEvent()));
+ //webPreview.deleteTimer.setInterval(600000);
+ webPreview.deleteTimer.setInterval(10000);
+ connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
+#endif
+ _showWebPreview = defaultSettings.showWebPreview();
+ defaultSettings.notify("ShowWebPreview", this, SLOT(showWebPreviewChanged()));
+
+ _clickTimer.setInterval(QApplication::doubleClickInterval());
+ _clickTimer.setSingleShot(true);
+ connect(&_clickTimer, SIGNAL(timeout()), SLOT(clickTimeout()));
+
+ setItemIndexMethod(QGraphicsScene::NoIndex);
}
ChatScene::~ChatScene() {
}
+ChatView *ChatScene::chatView() const {
+ return _chatView;
+}
+
+ColumnHandleItem *ChatScene::firstColumnHandle() const {
+ return _firstColHandle;
+}
+
+ColumnHandleItem *ChatScene::secondColumnHandle() const {
+ return _secondColHandle;
+}
+
+ChatItem *ChatScene::chatItemAt(const QPointF &scenePos) const {
+ QGraphicsItem *item = itemAt(scenePos);
+ return dynamic_cast<ChatItem *>(item);
+}
+
+bool ChatScene::containsBuffer(const BufferId &id) const {
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->containsBuffer(id);
+ else
+ return false;
+}
+
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
- clearWebPreview();
-// QModelIndex sidx = model()->index(start, 0);
-// QModelIndex eidx = model()->index(end, 0);
-// qDebug() << "rowsInserted" << start << end << "-" << sidx.data(MessageModel::MsgIdRole).value<MsgId>() << eidx.data(MessageModel::MsgIdRole).value<MsgId>();
+// QModelIndex sidx = model()->index(start, 2);
+// QModelIndex eidx = model()->index(end, 2);
+// qDebug() << "rowsInserted:";
+// if(start > 0) {
+// QModelIndex ssidx = model()->index(start - 1, 2);
+// qDebug() << "Start--:" << start - 1 << ssidx.data(MessageModel::MsgIdRole).value<MsgId>()
+// << ssidx.data(Qt::DisplayRole).toString();
+// }
+// qDebug() << "Start:" << start << sidx.data(MessageModel::MsgIdRole).value<MsgId>()
+// << sidx.data(Qt::DisplayRole).toString();
+// qDebug() << "End:" << end << eidx.data(MessageModel::MsgIdRole).value<MsgId>()
+// << eidx.data(Qt::DisplayRole).toString();
+// if(end + 1 < model()->rowCount()) {
+// QModelIndex eeidx = model()->index(end + 1, 2);
+// qDebug() << "End++:" << end + 1 << eeidx.data(MessageModel::MsgIdRole).value<MsgId>()
+// << eeidx.data(Qt::DisplayRole).toString();
+// }
qreal h = 0;
- qreal y = _sceneRect.y();
+ qreal y = 0;
qreal width = _sceneRect.width();
- bool atTop = true;
- bool atBottom = false;
+ bool atBottom = (start == _lines.count());
+ bool atTop = !atBottom && (start == 0);
bool moveTop = false;
- if(start > 0 && start < _lines.count()) {
+ if(start < _lines.count()) {
y = _lines.value(start)->y();
- atTop = false;
- }
- if(start == _lines.count()) {
- y = _sceneRect.bottom();
- atTop = false;
- atBottom = true;
+ } else if(atBottom && !_lines.isEmpty()) {
+ y = _lines.last()->y() + _lines.last()->height();
}
qreal contentsWidth = width - secondColumnHandle()->sceneRight();
QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
- for(int i = start; i <= end; i++) {
- ChatLine *line = new ChatLine(i, model(),
- width,
- timestampWidth, senderWidth, contentsWidth,
- senderPos, contentsPos);
- line->setPos(0, y+h);
- h += line->height();
- _lines.insert(i, line);
- addItem(line);
+ if(atTop) {
+ for(int i = end; i >= start; i--) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
+ h += line->height();
+ line->setPos(0, y-h);
+ _lines.insert(start, line);
+ addItem(line);
+ }
+ } else {
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
+ line->setPos(0, y+h);
+ h += line->height();
+ _lines.insert(i, line);
+ addItem(line);
+ }
}
// update existing items
// update selection
if(_selectionStart >= 0) {
int offset = end - start + 1;
- if(_selectionStart >= start) _selectionStart += offset;
- if(_selectionEnd >= start) _selectionEnd += offset;
- if(_firstSelectionRow >= start) _firstSelectionRow += offset;
- if(_lastSelectionRow >= start) _lastSelectionRow += offset;
+ int oldStart = _selectionStart;
+ if(_selectionStart >= start)
+ _selectionStart += offset;
+ if(_selectionEnd >= start) {
+ _selectionEnd += offset;
+ if(_selectionStart == oldStart)
+ for(int i = start; i < start + offset; i++)
+ _lines[i]->setSelected(true);
+ }
+ if(_firstSelectionRow >= start)
+ _firstSelectionRow += offset;
}
// 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)) {
- qreal offset = h;
- int moveStart = 0;
- int moveEnd = _lines.count() - 1;
// 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) {
moveEnd = end;
} else {
// move bottom part
- moveStart = start;
+ moveStart = end + 1;
}
ChatLine *line = 0;
for(int i = moveStart; i <= moveEnd; i++) {
}
}
- // update sceneRect
- if(atTop || moveTop) {
- updateSceneRect(_sceneRect.adjusted(0, -h, 0, 0));
- } else {
- updateSceneRect(_sceneRect.adjusted(0, 0, 0, h));
- emit lastLineChanged(_lines.last());
+ // check if all went right
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+// if(start != 0) {
+// if(_lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() != _lines.at(start)->pos().y()) {
+// qDebug() << "lines:" << _lines.count() << "start:" << start << "end:" << end;
+// qDebug() << "line[start - 1]:" << _lines.at(start - 1)->pos().y() << "+" << _lines.at(start - 1)->height() << "=" << _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height();
+// qDebug() << "line[start]" << _lines.at(start)->pos().y();
+// qDebug() << "needed moving:" << !(atTop || atBottom) << moveTop << moveStart << moveEnd << offset;
+// Q_ASSERT(false)
+// }
+// }
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
+// if(end + 1 < _lines.count()) {
+// if(_lines.at(end)->pos().y() + _lines.at(end)->height() != _lines.at(end + 1)->pos().y()) {
+// qDebug() << "lines:" << _lines.count() << "start:" << start << "end:" << end;
+// qDebug() << "line[end]:" << _lines.at(end)->pos().y() << "+" << _lines.at(end)->height() << "=" << _lines.at(end)->pos().y() + _lines.at(end)->height();
+// qDebug() << "line[end+1]" << _lines.at(end + 1)->pos().y();
+// qDebug() << "needed moving:" << !(atTop || atBottom) << moveTop << moveStart << moveEnd << offset;
+// Q_ASSERT(false);
+// }
+// }
+
+ if(!atBottom) {
+ if(start < _firstLineRow) {
+ int prevFirstLineRow = _firstLineRow + (end - start + 1);
+ for(int i = end + 1; i < prevFirstLineRow; i++) {
+ _lines.at(i)->show();
+ }
+ }
+ // force new search for first proper line
+ _firstLineRow = -1;
+ }
+ updateSceneRect();
+ if(atBottom || (!atTop && !moveTop)) {
+ emit lastLineChanged(_lines.last(), h);
}
-
}
void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
Q_UNUSED(parent);
- clearWebPreview();
-
qreal h = 0; // total height of removed items;
bool atTop = (start == 0);
bool atBottom = (end == _lines.count() - 1);
bool moveTop = false;
+ // clear selection
+ if(_selectingItem) {
+ int row = _selectingItem->row();
+ if(row >= start && row <= end)
+ setSelectingItem(0);
+ }
+
// remove items from scene
QList<ChatLine *>::iterator lineIter = _lines.begin() + start;
int lineCount = start;
if(_selectionStart >= 0) {
int offset = end - start + 1;
if(_selectionStart >= start)
- _selectionStart -= offset;
+ _selectionStart = qMax(_selectionStart -= offset, start);
if(_selectionEnd >= start)
_selectionEnd -= offset;
if(_firstSelectionRow >= start)
_firstSelectionRow -= offset;
- if(_lastSelectionRow >= start)
- _lastSelectionRow -= offset;
+
+ if(_selectionEnd < _selectionStart) {
+ _isSelecting = false;
+ _selectionStart = -1;
+ }
}
// neither removing at bottom or top means we have to move items...
}
}
+ 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
- if(atTop || moveTop) {
- updateSceneRect(_sceneRect.adjusted(0, h, 0, 0));
- } else {
- updateSceneRect(_sceneRect.adjusted(0, 0, 0, -h));
- }
+ // when searching for the first non-date-line we have to take into account that our
+ // model still contains the just removed lines so we cannot simply call updateSceneRect()
+ int numRows = model()->rowCount();
+ QModelIndex firstLineIdx;
+ _firstLineRow = -1;
+ bool needOffset = false;
+ do {
+ _firstLineRow++;
+ if(_firstLineRow >= start && _firstLineRow <= end) {
+ _firstLineRow = end + 1;
+ needOffset = true;
+ }
+ firstLineIdx = model()->index(_firstLineRow, 0);
+ } while((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) == Message::DayChange && _firstLineRow < numRows);
+
+ if(needOffset)
+ _firstLineRow -= end - start + 1;
+ updateSceneRect();
}
void ChatScene::updateForViewport(qreal width, qreal height) {
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();
- qreal yBottom = linePos;
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(QRectF(0, linePos, width, yBottom - linePos));
+ updateSceneRect(width);
setHandleXLimits();
+ emit layoutChanged();
// clock_t endT = clock();
// 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);
+
+ updateSceneRect();
+ setHandleXLimits();
+ emit layoutChanged();
- 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::startGlobalSelection(ChatItem *item, const QPointF &itemPos) {
- _selectionStart = _selectionEnd = _lastSelectionRow = _firstSelectionRow = item->row();
+ _selectionStart = _selectionEnd = _firstSelectionRow = item->row();
_selectionStartCol = _selectionMinCol = item->column();
_isSelecting = true;
_lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol);
}
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())));
- 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;
- else curColumn = ChatLineModel::TimestampColumn;
-
+ int curRow = rowByScenePos(pos);
+ if(curRow < 0) return;
+ int curColumn = (int)columnByScenePos(pos);
ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
if(minColumn != _selectionMinCol) {
_selectionMinCol = minColumn;
_selectionStart = newstart;
_selectionEnd = newend;
- _lastSelectionRow = curRow;
if(newstart == newend && minColumn == ChatLineModel::ContentsColumn) {
if(!_selectingItem) {
- qWarning() << "WARNING: ChatScene::updateSelection() has a null _selectingItem, this should never happen! Please report.";
+ // _selectingItem has been removed already
return;
}
_lines[curRow]->setSelected(false);
_isSelecting = false;
+ _selectionStart = -1;
_selectingItem->continueSelecting(_selectingItem->mapFromScene(pos));
}
}
-void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && event->buttons() == Qt::LeftButton) {
- updateSelection(event->scenePos());
- event->accept();
+bool ChatScene::isPosOverSelection(const QPointF &pos) const {
+ ChatItem *chatItem = chatItemAt(pos);
+ if(!chatItem)
+ return false;
+ if(hasGlobalSelection()) {
+ int row = chatItem->row();
+ if(row >= qMin(_selectionStart, _selectionEnd) && row <= qMax(_selectionStart, _selectionEnd))
+ return columnByScenePos(pos) >= _selectionMinCol;
} else {
- QGraphicsScene::mouseMoveEvent(event);
+ return chatItem->isPosOverSelection(chatItem->mapFromScene(pos));
}
+ return false;
+}
+
+bool ChatScene::isScrollingAllowed() const {
+ if(_isSelecting)
+ return false;
+
+ // TODO: Handle clicks and single-item selections too
+
+ return true;
+}
+
+/******** MOUSE HANDLING **************************************************************************/
+
+void ChatScene::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+ QPointF pos = event->scenePos();
+ QMenu menu;
+
+ // zoom actions and similar
+ chatView()->addActionsToMenu(&menu, pos);
+ menu.addSeparator();
+
+ if(isPosOverSelection(pos))
+ menu.addAction(SmallIcon("edit-copy"), tr("Copy Selection"),
+ this, SLOT(selectionToClipboard()),
+ QKeySequence::Copy);
+
+ // item-specific options (select link etc)
+ ChatItem *item = chatItemAt(pos);
+ if(item)
+ item->addActionsToMenu(&menu, item->mapFromScene(pos));
+
+ menu.exec(event->screenPos());
+
+}
+
+void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton) {
+ if(!_clickHandled && (event->scenePos() - _clickPos).toPoint().manhattanLength() >= QApplication::startDragDistance()) {
+ if(_clickTimer.isActive()) _clickTimer.stop();
+ if(_clickMode == SingleClick && isPosOverSelection(_clickPos))
+ initiateDrag(event->widget());
+ else {
+ _clickMode = DragStartClick;
+ handleClick(Qt::LeftButton, _clickPos);
+ }
+ _clickMode = NoClick;
+ }
+ if(_isSelecting) {
+ updateSelection(event->scenePos());
+ emit mouseMoveWhileSelecting(event->scenePos());
+ event->accept();
+ } else if(_clickHandled)
+ QGraphicsScene::mouseMoveEvent(event);
+ } else
+ QGraphicsScene::mouseMoveEvent(event);
}
void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- if(event->buttons() == Qt::LeftButton && _selectionStart >= 0) {
- for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
- _lines[l]->setSelected(false);
+ if(event->buttons() == Qt::LeftButton) {
+ _leftButtonPressed = true;
+ _clickHandled = false;
+ if(!isPosOverSelection(event->scenePos())) {
+ // immediately clear selection if clicked outside; otherwise, wait for potential drag
+ clearSelection();
}
- _selectionStart = -1;
- QGraphicsScene::mousePressEvent(event); // so we can start a new local selection
- } else {
- QGraphicsScene::mousePressEvent(event);
+ if(_clickMode != NoClick && _clickTimer.isActive()) {
+ _clickMode = (ClickMode)(_clickMode == TripleClick ? DoubleClick : _clickMode + 1);
+ handleClick(Qt::LeftButton, event->scenePos());
+ } else {
+ _clickMode = SingleClick;
+ _clickPos = event->scenePos();
+ }
+ _clickTimer.start();
+ } else if(event->buttons() == Qt::RightButton) {
+ handleClick(Qt::RightButton, event->scenePos());
}
+ if(event->type() == QEvent::GraphicsSceneMouseDoubleClick)
+ QGraphicsScene::mouseDoubleClickEvent(event);
+ else
+ QGraphicsScene::mousePressEvent(event);
+}
+
+void ChatScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
+ // we check for doubleclick ourselves, so just call press handler
+ mousePressEvent(event);
}
void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && !event->buttons() & Qt::LeftButton) {
- putToClipboard(selectionToString());
- _isSelecting = false;
- event->accept();
- } else {
- QGraphicsScene::mouseReleaseEvent(event);
+ if(!event->buttons() & Qt::LeftButton) {
+ _leftButtonPressed = false;
+ if(_clickMode != NoClick) {
+ if(_clickMode == SingleClick)
+ clearSelection();
+ event->accept();
+ if(!_clickTimer.isActive())
+ handleClick(Qt::LeftButton, _clickPos);
+ } else {
+ // no click -> drag or selection move
+ if(isGloballySelecting()) {
+ selectionToClipboard(QClipboard::Selection);
+ _isSelecting = false;
+ event->accept();
+ return;
+ }
+ }
}
+ QGraphicsScene::mouseReleaseEvent(event);
+}
+
+void ChatScene::clickTimeout() {
+ if(!_leftButtonPressed && _clickMode == SingleClick)
+ handleClick(Qt::LeftButton, _clickPos);
}
-void ChatScene::putToClipboard(const QString &selection) {
- // TODO Configure clipboards
-# ifdef Q_WS_X11
- QApplication::clipboard()->setText(selection, QClipboard::Selection);
-# endif
-//# else
- QApplication::clipboard()->setText(selection);
-//# endif
+void ChatScene::handleClick(Qt::MouseButton button, const QPointF &scenePos) {
+ if(button == Qt::LeftButton) {
+ clearSelection();
+
+ // Now send click down to items
+ ChatItem *chatItem = chatItemAt(scenePos);
+ if(chatItem) {
+ chatItem->handleClick(chatItem->mapFromScene(scenePos), _clickMode);
+ }
+ _clickHandled = true;
+ }
+}
+
+void ChatScene::initiateDrag(QWidget *source) {
+ QDrag *drag = new QDrag(source);
+ QMimeData *mimeData = new QMimeData;
+ mimeData->setText(selection());
+ drag->setMimeData(mimeData);
+
+ drag->exec(Qt::CopyAction);
+}
+
+/******** SELECTIONS ******************************************************************************/
+
+void ChatScene::selectionToClipboard(QClipboard::Mode mode) {
+ if(!hasSelection())
+ return;
+
+ stringToClipboard(selection(), mode);
+}
+
+void ChatScene::stringToClipboard(const QString &str, QClipboard::Mode mode) {
+ switch(mode) {
+ case QClipboard::Clipboard:
+ QApplication::clipboard()->setText(str);
+ break;
+ case QClipboard::Selection:
+ if(QApplication::clipboard()->supportsSelection())
+ QApplication::clipboard()->setText(str, QClipboard::Selection);
+ break;
+ default:
+ break;
+ };
}
//!\brief Convert current selection to human-readable string.
-QString ChatScene::selectionToString() const {
+QString ChatScene::selection() const {
//TODO Make selection format configurable!
- if(!_isSelecting) return QString();
- int start = qMin(_selectionStart, _selectionEnd);
- int end = qMax(_selectionStart, _selectionEnd);
- if(start < 0 || end >= _lines.count()) {
- qDebug() << "Invalid selection range:" << start << end;
- return QString();
- }
- QString result;
- for(int l = start; l <= end; l++) {
- if(_selectionMinCol == ChatLineModel::TimestampColumn)
- result += _lines[l]->item(ChatLineModel::TimestampColumn).data(MessageModel::DisplayRole).toString() + " ";
- if(_selectionMinCol <= ChatLineModel::SenderColumn)
- result += _lines[l]->item(ChatLineModel::SenderColumn).data(MessageModel::DisplayRole).toString() + " ";
- result += _lines[l]->item(ChatLineModel::ContentsColumn).data(MessageModel::DisplayRole).toString() + "\n";
+ if(hasGlobalSelection()) {
+ int start = qMin(_selectionStart, _selectionEnd);
+ int end = qMax(_selectionStart, _selectionEnd);
+ if(start < 0 || end >= _lines.count()) {
+ qDebug() << "Invalid selection range:" << start << end;
+ return QString();
+ }
+ QString result;
+ for(int l = start; l <= end; l++) {
+ if(_selectionMinCol == ChatLineModel::TimestampColumn)
+ result += _lines[l]->item(ChatLineModel::TimestampColumn).data(MessageModel::DisplayRole).toString() + " ";
+ if(_selectionMinCol <= ChatLineModel::SenderColumn)
+ result += _lines[l]->item(ChatLineModel::SenderColumn).data(MessageModel::DisplayRole).toString() + " ";
+ result += _lines[l]->item(ChatLineModel::ContentsColumn).data(MessageModel::DisplayRole).toString() + "\n";
+ }
+ return result;
+ } else if(selectingItem())
+ return selectingItem()->selection();
+ return QString();
+}
+
+bool ChatScene::hasSelection() const {
+ return hasGlobalSelection() || (selectingItem() && selectingItem()->hasSelection());
+}
+
+bool ChatScene::hasGlobalSelection() const {
+ return _selectionStart >= 0;
+}
+
+bool ChatScene::isGloballySelecting() const {
+ return _isSelecting;
+}
+
+void ChatScene::clearGlobalSelection() {
+ if(hasGlobalSelection()) {
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++)
+ _lines[l]->setSelected(false);
+ _isSelecting = false;
+ _selectionStart = -1;
}
- return result;
}
+void ChatScene::clearSelection() {
+ clearGlobalSelection();
+ if(selectingItem())
+ selectingItem()->clearSelection();
+}
+
+/******** *************************************************************************************/
+
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())
+ChatLineModel::ColumnType ChatScene::columnByScenePos(qreal x) const {
+ if(x < _firstColHandle->x())
return ChatLineModel::TimestampColumn;
- if(x < secondColHandle->x())
+ if(x < _secondColHandle->x())
return ChatLineModel::SenderColumn;
return ChatLineModel::ContentsColumn;
}
+int ChatScene::rowByScenePos(qreal y) const {
+ // This is somewhat hacky... we look at the contents item that is at the given y position, since
+ // it has the full height. From this item, we can then determine the row index and hence the ChatLine.
+ // ChatItems cover their ChatLine, so we won't get to the latter directly.
+ ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(_secondColHandle->sceneRight() + 1, y)));
+ if(!contentItem) return -1;
+ return contentItem->row();
+}
+
+void ChatScene::updateSceneRect(qreal width) {
+ if(_lines.isEmpty()) {
+ updateSceneRect(QRectF(0, 0, width, 0));
+ return;
+ }
+
+ // we hide day change messages at the top by making the scene rect smaller
+ // and by calling QGraphicsItem::hide() on all leading day change messages
+ // the first one is needed to ensure proper scrollbar ranges
+ // the second for cases where the viewport is larger then the set scenerect
+ // (in this case the items are shown anyways)
+ if(_firstLineRow == -1) {
+ int numRows = model()->rowCount();
+ _firstLineRow = 0;
+ QModelIndex firstLineIdx;
+ while(_firstLineRow < numRows) {
+ firstLineIdx = model()->index(_firstLineRow, 0);
+ if((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) != Message::DayChange)
+ break;
+ _lines.at(_firstLineRow)->hide();
+ _firstLineRow++;
+ }
+ }
+
+ // the following call should be safe. If it crashes something went wrong during insert/remove
+ 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) {
_sceneRect = rect;
setSceneRect(rect);
+ 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);
+}
+
+/******** WEB PREVIEW *****************************************************************************/
void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
#ifndef HAVE_WEBKIT
Q_UNUSED(url)
Q_UNUSED(urlRect)
#else
+ if(!_showWebPreview)
+ return;
+
if(webPreview.parentItem != parentItem)
webPreview.parentItem = parentItem;
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);
- addItem(webPreview.previewItem);
+ 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) {
- if(webPreview.previewItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
removeItem(webPreview.previewItem);
- delete webPreview.previewItem;
- webPreview.previewItem = 0;
+ webPreview.deleteTimer.start();
}
- webPreview.parentItem = 0;
- webPreview.url = QString();
- webPreview.urlRect = QRectF();
+ webPreview.delayTimer.stop();
}
#endif
}
+
+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
+}
+
+void ChatScene::showWebPreviewChanged() {
+ ChatViewSettings settings;
+ _showWebPreview = settings.showWebPreview();
+}
projects / quassel.git / blobdiff