/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#include <QApplication>
#include <QClipboard>
+#include <QDrag>
#include <QGraphicsSceneMouseEvent>
+#include <QMenu>
#include <QPersistentModelIndex>
-#include <QWebView>
+
+#ifdef HAVE_WEBKIT
+# include <QWebView>
+#endif
#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 "contextmenuactionprovider.h"
+#include "iconloader.h"
#include "messagefilter.h"
#include "qtui.h"
#include "qtuistyle.h"
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),
+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),
+ _singleBufferId(BufferId()),
_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) {
- _singleBufferScene = filter->isSingleBufferFilter();
+ if(filter && filter->isSingleBufferFilter()) {
+ _singleBufferId = filter->singleBufferId();
}
ChatViewSettings defaultSettings;
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();
+ if(model->rowCount() > 0)
+ rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+
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)));
+ connect(model, SIGNAL(dataChanged(QModelIndex, QModelIndex)), SLOT(dataChanged(QModelIndex, QModelIndex)));
- if(model->rowCount() > 0)
- rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+#ifdef HAVE_WEBKIT
+ webPreview.timer.setSingleShot(true);
+ connect(&webPreview.timer, SIGNAL(timeout()), this, SLOT(webPreviewNextStep()));
+#endif
+ _showWebPreview = defaultSettings.showWebPreview();
+ defaultSettings.notify("ShowWebPreview", this, SLOT(showWebPreviewChanged()));
- webPreview.delayTimer.setSingleShot(true);
- connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreview()));
+ _clickTimer.setInterval(QApplication::doubleClickInterval());
+ _clickTimer.setSingleShot(true);
+ connect(&_clickTimer, SIGNAL(timeout()), SLOT(clickTimeout()));
- // installEventFilter(this);
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);
-// 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 moveTop = false;
+ bool atBottom = (start == _lines.count());
+ bool atTop = !atBottom && (start == 0);
- 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();
if(atTop) {
for(int i = end; i >= start; i--) {
ChatLine *line = new ChatLine(i, model(),
- width,
- timestampWidth, senderWidth, contentsWidth,
- senderPos, contentsPos);
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
h += line->height();
line->setPos(0, y-h);
_lines.insert(start, line);
} else {
for(int i = start; i <= end; i++) {
ChatLine *line = new ChatLine(i, model(),
- width,
- timestampWidth, senderWidth, contentsWidth,
- senderPos, contentsPos);
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
line->setPos(0, y+h);
h += line->height();
_lines.insert(i, line);
// 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...
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) {
- // move top part
- moveTop = true;
- offset = -offset;
- moveEnd = end;
- } else {
- // move bottom part
- moveStart = end + 1;
- }
ChatLine *line = 0;
- for(int i = moveStart; i <= moveEnd; i++) {
+ for(int i = 0; i <= end; i++) {
line = _lines.at(i);
- line->setPos(0, line->pos().y() + offset);
+ line->setPos(0, line->pos().y() - h);
}
}
// 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();
+ _lines.at(i)->show();
}
}
// force new search for first proper line
_firstLineRow = -1;
}
updateSceneRect();
- if(atBottom || (!atTop && !moveTop)) {
+ if(atBottom) {
emit lastLineChanged(_lines.last(), h);
}
}
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 || _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
updateSceneRect();
}
+void ChatScene::dataChanged(const QModelIndex &tl, const QModelIndex &br) {
+ layout(tl.row(), br.row(), _sceneRect.width());
+}
+
void ChatScene::updateForViewport(qreal width, qreal height) {
_viewportHeight = 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;
+ layout(0, _lines.count()-1, width);
+}
-// clock_t startT = clock();
+void ChatScene::layout(int start, int end, qreal width) {
+ // clock_t startT = clock();
- 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 contentsWidth = width - secondColumnHandle()->sceneRight();
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ //setItemIndexMethod(QGraphicsScene::NoIndex);
- 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);
+ if(end >= 0) {
+ int row = end;
+ qreal linePos = _lines.at(row)->scenePos().y() + _lines.at(row)->height();
+ qreal contentsWidth = width - secondColumnHandle()->sceneRight();
+ while(row >= start) {
+ _lines.at(row--)->setGeometryByWidth(width, contentsWidth, linePos);
}
- } else {
- while(lineIter != lineIterBegin) {
- lineIter--;
- line = *lineIter;
- lineHeight = line->setGeometryByWidth(width, contentsWidth);
- linePos -= lineHeight;
- line->setPos(0, linePos);
+
+ if(row >= 0) {
+ // remaining items don't need geometry changes, but maybe repositioning?
+ ChatLine *line = _lines.at(row);
+ qreal offset = linePos - (line->scenePos().y() + line->height());
+ if(offset != 0) {
+ while(row >= 0) {
+ line = _lines.at(row--);
+ line->setPos(0, line->scenePos().y() + offset);
+ }
+ }
}
}
+ //setItemIndexMethod(QGraphicsScene::BspTreeIndex);
+
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 >= 0 ? xpos : 0;
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);
- 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 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();
+
+// 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));
+ else
+ // no item -> default scene actions
+ GraphicalUi::contextMenuActionProvider()->addActions(&menu, filter(), BufferId());
+
+ 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 && _clickMode < DoubleClick)
+ 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()) {
+ switch(_clickMode) {
+ case NoClick: _clickMode = SingleClick; break;
+ case SingleClick: _clickMode = DoubleClick; break;
+ case DoubleClick: _clickMode = TripleClick; break;
+ case TripleClick: _clickMode = DoubleClick; break;
+ case DragStartClick: break;
+ }
+ handleClick(Qt::LeftButton, _clickPos);
+ } else {
+ _clickMode = SingleClick;
+ _clickPos = event->scenePos();
+ }
+ _clickTimer.start();
}
+ 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->button() == Qt::LeftButton && _leftButtonPressed) {
+ _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::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::clickTimeout() {
+ if(!_leftButtonPressed && _clickMode == SingleClick)
+ handleClick(Qt::LeftButton, _clickPos);
+}
+
+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) {
+ QString str = str_;
+ // remove trailing linefeeds
+ if(str.endsWith('\n'))
+ str.chop(1);
+
+ 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;
}
-void ChatScene::updateSceneRect() {
+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, _sceneRect.width(), 0));
+ updateSceneRect(QRectF(0, 0, width, 0));
return;
}
while(_firstLineRow < numRows) {
firstLineIdx = model()->index(_firstLineRow, 0);
if((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) != Message::DayChange)
- break;
+ break;
_lines.at(_firstLineRow)->hide();
_firstLineRow++;
}
}
// 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) {
update();
}
-void ChatScene::customEvent(QEvent *event) {
- switch(event->type()) {
- case ClearWebPreviewEventType:
- clearWebPreviewEvent((ClearWebPreviewEvent *)event);
- break;
- default:
- return;
+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);
}
-void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
-#ifndef HAVE_WEBKIT
- Q_UNUSED(parentItem)
- Q_UNUSED(url)
- Q_UNUSED(urlRect)
-#else
+// ========================================
+// Webkit Only stuff
+// ========================================
+#ifdef HAVE_WEBKIT
+void ChatScene::loadWebPreview(ChatItem *parentItem, const QUrl &url, const QRectF &urlRect) {
+ if(!_showWebPreview)
+ return;
+
+ if(webPreview.urlRect != urlRect)
+ webPreview.urlRect = urlRect;
+
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)
+ // prepare to load a different URL
if(webPreview.previewItem) {
- removeItem(webPreview.previewItem);
+ if(webPreview.previewItem->scene())
+ removeItem(webPreview.previewItem);
delete webPreview.previewItem;
+ webPreview.previewItem = 0;
}
- webPreview.previewItem = new WebPreviewItem(url);
- webPreview.delayTimer.start(2000);
+ webPreview.previewState = WebPreview::NoPreview;
}
- if(webPreview.urlRect != urlRect) {
- webPreview.urlRect = urlRect;
- qreal previewY = urlRect.bottom();
- qreal previewX = urlRect.x();
- if(previewY + webPreview.previewItem->boundingRect().height() > sceneRect().bottom())
- previewY = urlRect.y() - webPreview.previewItem->boundingRect().height();
- if(previewX + webPreview.previewItem->boundingRect().width() > sceneRect().width())
- previewX = sceneRect().right() - webPreview.previewItem->boundingRect().width();
-
- webPreview.previewItem->setPos(previewX, previewY);
- }
-#endif
-}
+ if(webPreview.url.isEmpty())
+ return;
-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());
+ // qDebug() << Q_FUNC_INFO << webPreview.previewState;
+ switch(webPreview.previewState) {
+ case WebPreview::NoPreview:
+ webPreview.previewState = WebPreview::NewPreview;
+ webPreview.timer.start(500);
+ break;
+ case WebPreview::NewPreview:
+ case WebPreview::DelayPreview:
+ case WebPreview::ShowPreview:
+ // we're already waiting for the next step or showing the preview
+ break;
+ case WebPreview::HidePreview:
+ // we still have a valid preview
+ webPreview.previewState = WebPreview::DelayPreview;
+ webPreview.timer.start(1000);
+ break;
}
-#endif
+ // qDebug() << " new State:" << webPreview.previewState << webPreview.timer.isActive();
}
-void ChatScene::showWebPreview() {
-#ifdef HAVE_WEBKIT
- if(webPreview.previewItem)
+void ChatScene::webPreviewNextStep() {
+ // qDebug() << Q_FUNC_INFO << webPreview.previewState;
+ switch(webPreview.previewState) {
+ case WebPreview::NoPreview:
+ break;
+ case WebPreview::NewPreview:
+ Q_ASSERT(!webPreview.previewItem);
+ webPreview.previewItem = new WebPreviewItem(webPreview.url);
+ webPreview.previewState = WebPreview::DelayPreview;
+ webPreview.timer.start(1000);
+ break;
+ case WebPreview::DelayPreview:
+ Q_ASSERT(webPreview.previewItem);
+ // calc position and show
+ {
+ qreal previewY = webPreview.urlRect.bottom();
+ qreal previewX = webPreview.urlRect.x();
+ if(previewY + webPreview.previewItem->boundingRect().height() > sceneRect().bottom())
+ previewY = webPreview.urlRect.y() - webPreview.previewItem->boundingRect().height();
+
+ if(previewX + webPreview.previewItem->boundingRect().width() > sceneRect().width())
+ previewX = sceneRect().right() - webPreview.previewItem->boundingRect().width();
+
+ webPreview.previewItem->setPos(previewX, previewY);
+ }
addItem(webPreview.previewItem);
-#endif
-}
-
-void ChatScene::clearWebPreviewEvent(ClearWebPreviewEvent *event) {
-#ifdef HAVE_WEBKIT
- event->accept();
- if(webPreview.previewItem) {
- if(webPreview.previewItem->scene()) {
+ webPreview.previewState = WebPreview::ShowPreview;
+ break;
+ case WebPreview::ShowPreview:
+ qWarning() << "ChatScene::webPreviewNextStep() called while in ShowPreview Step!";
+ qWarning() << "removing preview";
+ if(webPreview.previewItem && webPreview.previewItem->scene())
removeItem(webPreview.previewItem);
+ // Fall through to deletion!
+ case WebPreview::HidePreview:
+ if(webPreview.previewItem) {
+ delete webPreview.previewItem;
+ webPreview.previewItem = 0;
}
- delete webPreview.previewItem;
- webPreview.previewItem = 0;
+ webPreview.parentItem = 0;
+ webPreview.url = QUrl();
+ webPreview.urlRect = QRectF();
+ webPreview.previewState = WebPreview::NoPreview;
}
- webPreview.parentItem = 0;
- webPreview.url = QString();
- webPreview.urlRect = QRectF();
-#endif
+ // qDebug() << " new State:" << webPreview.previewState << webPreview.timer.isActive();
}
-bool ChatScene::eventFilter(QObject *watched, QEvent *event) {
- qDebug() << watched << event;
- return false;
+void ChatScene::clearWebPreview(ChatItem *parentItem) {
+ // qDebug() << Q_FUNC_INFO << webPreview.previewState;
+ switch(webPreview.previewState) {
+ case WebPreview::NewPreview:
+ webPreview.previewState = WebPreview::NoPreview; // we haven't loaded anything yet
+ break;
+ case WebPreview::ShowPreview:
+ if(parentItem == 0 || webPreview.parentItem == parentItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene())
+ removeItem(webPreview.previewItem);
+ }
+ // fall through into to set hidden state
+ case WebPreview::DelayPreview:
+ // we're just loading, so haven't shown the preview yet.
+ webPreview.previewState = WebPreview::HidePreview;
+ webPreview.timer.start(5000);
+ break;
+ case WebPreview::NoPreview:
+ case WebPreview::HidePreview:
+ break;
+ }
+ // qDebug() << " new State:" << webPreview.previewState << webPreview.timer.isActive();
}
+#endif
+
+// ========================================
+// end of webkit only
+// ========================================
+void ChatScene::showWebPreviewChanged() {
+ ChatViewSettings settings;
+ _showWebPreview = settings.showWebPreview();
+}