/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2013 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QApplication>
#include <QClipboard>
+#include <QDrag>
#include <QGraphicsSceneMouseEvent>
+#include <QMenu>
+#include <QMenuBar>
+#include <QMimeData>
#include <QPersistentModelIndex>
+#ifdef HAVE_KDE
+# include <KMenuBar>
+#else
+# include <QMenuBar>
+#endif
+
+#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 "mainwin.h"
+#include "markerlineitem.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),
+ _singleBufferId(BufferId()),
_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),
_isSelecting(false),
- _lastBacklogSize(0)
-{
- MessageFilter *filter = qobject_cast<MessageFilter*>(model);
- if(filter) {
- _singleBufferScene = filter->isSingleBufferFilter();
- }
-
- ChatViewSettings defaultSettings;
- int defaultFirstColHandlePos = defaultSettings.value("FirstColumnHandlePos", 80).toInt();
- int defaultSecondColHandlePos = defaultSettings.value("SecondColumnHandlePos", 200).toInt();
-
- ChatViewSettings viewSettings(this);
- 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 &)));
-
- 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 &)));
-
- setHandleXLimits();
-
- connect(model, SIGNAL(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)));
-
- if(model->rowCount() > 0)
- rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
-}
-
-ChatScene::~ChatScene() {
-}
-
-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>();
-
- qreal h = 0;
- qreal y = _sceneRect.y();
- qreal width = _sceneRect.width();
- bool atTop = true;
- bool atBottom = false;
- bool moveTop = false;
-
- if(start > 0 && start < _lines.count()) {
- y = _lines.value(start)->y();
- atTop = false;
- }
- if(start == _lines.count()) {
- y = _sceneRect.bottom();
- atTop = false;
- atBottom = true;
- }
-
- qreal contentsWidth = width - secondColumnHandle()->sceneRight();
- qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
- qreal timestampWidth = firstColumnHandle()->sceneLeft();
- 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);
- if(atTop) {
- h += line->height();
- line->setPos(0, y-h);
- } else {
- line->setPos(0, y+h);
- h += line->height();
- }
- _lines.insert(i, line);
- addItem(line);
- }
-
- // update existing items
- for(int i = end+1; i < _lines.count(); i++) {
- _lines[i]->setRow(i);
- }
-
- // 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;
- }
-
- // 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 = start;
- }
- ChatLine *line = 0;
- for(int i = moveStart; i <= moveEnd; i++) {
- line = _lines.at(i);
- line->setPos(0, line->pos().y() + offset);
- }
- }
-
- 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
+ _clickMode(NoClick),
+ _clickHandled(true),
+ _leftButtonPressed(false)
+{
+ MessageFilter *filter = qobject_cast<MessageFilter *>(model);
+ if (filter && filter->isSingleBufferFilter()) {
+ _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();
+
+ ChatViewSettings viewSettings(this);
+ _firstColHandlePos = viewSettings.value("FirstColumnHandlePos", defaultFirstColHandlePos).toInt();
+ _secondColHandlePos = viewSettings.value("SecondColumnHandlePos", defaultSecondColHandlePos).toInt();
+
+ _firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator());
+ addItem(_firstColHandle);
+ _firstColHandle->setXPos(_firstColHandlePos);
+ connect(_firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(firstHandlePositionChanged(qreal)));
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _firstColHandle, SLOT(sceneRectChanged(const QRectF &)));
+
+ _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)));
+ 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
+ webPreview.timer.setSingleShot(true);
+ connect(&webPreview.timer, SIGNAL(timeout()), this, SLOT(webPreviewNextStep()));
+#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;
+}
+
+
+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
+{
+ 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;
+}
+
+
+bool ChatScene::containsBuffer(const BufferId &id) const
+{
+ MessageFilter *filter = qobject_cast<MessageFilter *>(model());
+ if (filter)
+ return filter->containsBuffer(id);
+ else
+ 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:";
+// 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 = 0;
+ qreal width = _sceneRect.width();
+ bool atBottom = (start == _lines.count());
+ bool atTop = !atBottom && (start == 0);
+
+ if (start < _lines.count()) {
+ y = _lines.value(start)->y();
+ }
+ else if (atBottom && !_lines.isEmpty()) {
+ y = _lines.last()->y() + _lines.last()->height();
+ }
+
+ qreal contentsWidth = width - secondColumnHandle()->sceneRight();
+ qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ qreal timestampWidth = firstColumnHandle()->sceneLeft();
+ QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
+ QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
+
+ 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
+ for (int i = end+1; i < _lines.count(); i++) {
+ _lines[i]->setRow(i);
+ }
+
+ // update selection
+ if (_selectionStart >= 0) {
+ int offset = end - start + 1;
+ 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)) {
+ ChatLine *line = 0;
+ 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()));
+ }
+ }
+
+ // 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) {
+ 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)
+{
+ Q_UNUSED(parent);
+
+ qreal h = 0; // total height of removed items;
+
+ bool atTop = (start == 0);
+ bool atBottom = (end == _lines.count() - 1);
+
+ // 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;
+ while (lineIter != _lines.end() && lineCount <= end) {
+ if ((*lineIter) == markerLine()->chatLine())
+ markerLine()->setChatLine(0);
+ h += (*lineIter)->height();
+ delete *lineIter;
+ lineIter = _lines.erase(lineIter);
+ lineCount++;
+ }
+
+ // update rows of remaining chatlines
+ for (int i = start; i < _lines.count(); i++) {
+ _lines.at(i)->setRow(i);
+ }
+
+ // update selection
+ if (_selectionStart >= 0) {
+ int offset = end - start + 1;
+ if (_selectionStart >= start)
+ _selectionStart = qMax(_selectionStart - offset, start);
+ if (_selectionEnd >= start)
+ _selectionEnd -= offset;
+ if (_firstSelectionRow >= start)
+ _firstSelectionRow -= offset;
+
+ if (_selectionEnd < _selectionStart) {
+ _isSelecting = false;
+ _selectionStart = -1;
+ }
+ }
+
+ // neither removing at bottom or top means we have to move items...
+ if (!(atTop || atBottom)) {
+ qreal offset = h;
+ int moveStart = 0;
+ int moveEnd = _lines.count() - 1;
+ if (start < _lines.count() - start) {
+ // move top part
+ moveEnd = start - 1;
+ }
+ else {
+ // move bottom part
+ moveStart = start;
+ offset = -offset;
+ }
+ ChatLine *line = 0;
+ for (int i = moveStart; i <= moveEnd; i++) {
+ line = _lines.at(i);
+ line->setPos(0, line->pos().y() + offset);
+ }
+ }
+
+ 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
+ // model still contains the just removed lines so we cannot simply call updateSceneRect()
+ int numRows = model()->rowCount();
+ QModelIndex firstLineIdx;
_firstLineRow = -1;
- }
- updateSceneRect();
- if(atBottom) {
- emit lastLineChanged(_lines.last());
- }
-
-}
-
-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;
-
- // remove items from scene
- QList<ChatLine *>::iterator lineIter = _lines.begin() + start;
- int lineCount = start;
- while(lineIter != _lines.end() && lineCount <= end) {
- h += (*lineIter)->height();
- delete *lineIter;
- lineIter = _lines.erase(lineIter);
- lineCount++;
- }
-
- // update rows of remaining chatlines
- for(int i = start; i < _lines.count(); i++) {
- _lines.at(i)->setRow(i);
- }
-
- // 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;
- }
-
- // neither removing at bottom or top means we have to move items...
- if(!(atTop || atBottom)) {
- qreal offset = h;
- int moveStart = 0;
- int moveEnd = _lines.count() - 1;
- if(start < _lines.count() - start) {
- // move top part
- moveTop = true;
- moveEnd = start - 1;
- } else {
- // move bottom part
- moveStart = start;
- offset = -offset;
- }
- ChatLine *line = 0;
- for(int i = moveStart; i <= moveEnd; i++) {
- line = _lines.at(i);
- line->setPos(0, line->pos().y() + offset);
- }
- }
-
-
- // update sceneRect
- // 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) {
- _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)
- return;
+ 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);
-// clock_t startT = clock();
+ if (needOffset)
+ _firstLineRow -= end - start + 1;
+ 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());
+}
+
+
+void ChatScene::updateForViewport(qreal width, qreal height)
+{
+ _viewportHeight = height;
+ setWidth(width);
+}
+
+
+void ChatScene::setWidth(qreal width)
+{
+ if (width == _sceneRect.width())
+ return;
+ layout(0, _lines.count()-1, width);
+}
+
+
+void ChatScene::layout(int start, int end, qreal width)
+{
+ // clock_t startT = clock();
+
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ //setItemIndexMethod(QGraphicsScene::NoIndex);
+
+ 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);
+ }
+
+ 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();
+ setMarkerLine();
+ emit layoutChanged();
+
+// clock_t endT = clock();
+// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec";
+}
+
+
+void ChatScene::firstHandlePositionChanged(qreal xpos)
+{
+ if (_firstColHandlePos == xpos)
+ return;
- 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();
+ _firstColHandlePos = xpos >= 0 ? xpos : 0;
+ ChatViewSettings viewSettings(this);
+ viewSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
+ ChatViewSettings defaultSettings;
+ defaultSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
- if(forceReposition) {
+ // 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("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--;
- 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);
- }
- }
-
- updateSceneRect(width);
- setHandleXLimits();
+ 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::handlePositionChanged(qreal xpos) {
- bool first = (sender() == firstColHandle);
- qreal oldx;
- if(first) {
- oldx = firstColHandlePos;
- firstColHandlePos = xpos;
- } else {
- oldx = secondColHandlePos;
- secondColHandlePos = xpos;
- }
-
- ChatViewSettings viewSettings(this);
- viewSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- viewSettings.setValue("SecondColumnHandlePos", secondColHandlePos);
-
- ChatViewSettings defaultSettings;
- defaultSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- 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());
-}
-
-void ChatScene::setHandleXLimits() {
- firstColHandle->setXLimits(0, secondColHandle->sceneLeft());
- secondColHandle->setXLimits(firstColHandle->sceneRight(), width() - minContentsWidth);
-}
-
-void ChatScene::setSelectingItem(ChatItem *item) {
- if(_selectingItem) _selectingItem->clearSelection();
- _selectingItem = item;
-}
-
-void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos) {
- _selectionStart = _selectionEnd = _lastSelectionRow = _firstSelectionRow = item->row();
- _selectionStartCol = _selectionMinCol = item->column();
- _isSelecting = true;
- _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol);
- updateSelection(item->mapToScene(itemPos));
-}
-
-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;
-
- ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
- if(minColumn != _selectionMinCol) {
- _selectionMinCol = minColumn;
- for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
- _lines[l]->setSelected(true, minColumn);
- }
- }
- int newstart = qMin(curRow, _firstSelectionRow);
- int newend = qMax(curRow, _firstSelectionRow);
- if(newstart < _selectionStart) {
- for(int l = newstart; l < _selectionStart; l++)
- _lines[l]->setSelected(true, minColumn);
- }
- if(newstart > _selectionStart) {
- for(int l = _selectionStart; l < newstart; l++)
- _lines[l]->setSelected(false);
- }
- if(newend > _selectionEnd) {
- for(int l = _selectionEnd+1; l <= newend; l++)
- _lines[l]->setSelected(true, minColumn);
- }
- if(newend < _selectionEnd) {
- for(int l = newend+1; l <= _selectionEnd; l++)
- _lines[l]->setSelected(false);
- }
-
- _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.";
- return;
- }
- _lines[curRow]->setSelected(false);
- _isSelecting = false;
- _selectingItem->continueSelecting(_selectingItem->mapFromScene(pos));
- }
-}
-
-void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && event->buttons() == Qt::LeftButton) {
- updateSelection(event->scenePos());
- event->accept();
- } 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);
- }
- _selectionStart = -1;
- QGraphicsScene::mousePressEvent(event); // so we can start a new local selection
- } else {
- QGraphicsScene::mousePressEvent(event);
- }
-}
-
-void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && !event->buttons() & Qt::LeftButton) {
- putToClipboard(selectionToString());
- _isSelecting = false;
- event->accept();
- } else {
+
+void ChatScene::setHandleXLimits()
+{
+ _firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
+ _secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);
+ update();
+}
+
+
+void ChatScene::setSelectingItem(ChatItem *item)
+{
+ if (_selectingItem) _selectingItem->clearSelection();
+ _selectingItem = item;
+}
+
+
+void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos)
+{
+ _selectionStart = _selectionEnd = _firstSelectionRow = item->row();
+ _selectionStartCol = _selectionMinCol = item->column();
+ _isSelecting = true;
+ _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol);
+ updateSelection(item->mapToScene(itemPos));
+}
+
+
+void ChatScene::updateSelection(const QPointF &pos)
+{
+ 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;
+ for (int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
+ _lines[l]->setSelected(true, minColumn);
+ }
+ }
+ int newstart = qMin(curRow, _firstSelectionRow);
+ int newend = qMax(curRow, _firstSelectionRow);
+ if (newstart < _selectionStart) {
+ for (int l = newstart; l < _selectionStart; l++)
+ _lines[l]->setSelected(true, minColumn);
+ }
+ if (newstart > _selectionStart) {
+ for (int l = _selectionStart; l < newstart; l++)
+ _lines[l]->setSelected(false);
+ }
+ if (newend > _selectionEnd) {
+ for (int l = _selectionEnd+1; l <= newend; l++)
+ _lines[l]->setSelected(true, minColumn);
+ }
+ if (newend < _selectionEnd) {
+ for (int l = newend+1; l <= _selectionEnd; l++)
+ _lines[l]->setSelected(false);
+ }
+
+ _selectionStart = newstart;
+ _selectionEnd = newend;
+
+ if (newstart == newend && minColumn == ChatLineModel::ContentsColumn) {
+ if (!_selectingItem) {
+ // _selectingItem has been removed already
+ return;
+ }
+ _lines[curRow]->setSelected(false);
+ _isSelecting = false;
+ _selectionStart = -1;
+ _selectingItem->continueSelecting(_selectingItem->mapFromScene(pos));
+ }
+}
+
+
+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 {
+ 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();
+
+ // 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());
+
+ // If we have text selected, insert the Copy Selection as first item
+ if (isPosOverSelection(pos)) {
+ QAction *act = new Action(SmallIcon("edit-copy"), tr("Copy Selection"), &menu, this,
+ SLOT(selectionToClipboard()), QKeySequence::Copy);
+ menu.insertAction(menu.actions().at(0), act);
+ }
+
+ if (QtUi::mainWindow()->menuBar()->isHidden())
+ menu.addAction(QtUi::actionCollection("General")->action("ToggleMenuBar"));
+
+ 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) {
+ _leftButtonPressed = true;
+ _clickHandled = false;
+ if (!isPosOverSelection(event->scenePos())) {
+ // immediately clear selection if clicked outside; otherwise, wait for potential drag
+ clearSelection();
+ }
+ 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 (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 {
- //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;
+QString ChatScene::selection() const
+{
+ //TODO Make selection format configurable!
+ 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();
- }
- 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;
-}
-
-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());
- }
-}
-
-int ChatScene::sectionByScenePos(int x) {
- if(x < firstColHandle->x())
- return ChatLineModel::TimestampColumn;
- if(x < secondColHandle->x())
- return ChatLineModel::SenderColumn;
-
- return ChatLineModel::ContentsColumn;
-}
-
-void ChatScene::updateSceneRect() {
- if(_lines.isEmpty()) {
- updateSceneRect(QRectF(0, 0, _sceneRect.width(), 0));
+}
+
+
+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;
+ }
+}
+
+
+void ChatScene::clearSelection()
+{
+ clearGlobalSelection();
+ if (selectingItem())
+ selectingItem()->clearSelection();
+}
+
+
+/******** *************************************************************************************/
+
+void ChatScene::requestBacklog()
+{
+ MessageFilter *filter = qobject_cast<MessageFilter *>(model());
+ if (filter)
+ return filter->requestBacklog();
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++;
+}
+
+
+ChatLineModel::ColumnType ChatScene::columnByScenePos(qreal x) const
+{
+ if (x < _firstColHandle->x())
+ return ChatLineModel::TimestampColumn;
+ if (x < _secondColHandle->x())
+ return ChatLineModel::SenderColumn;
+
+ return ChatLineModel::ContentsColumn;
+}
+
+
+int ChatScene::rowByScenePos(qreal y) const
+{
+ QList<QGraphicsItem *> itemList = items(QPointF(0, y));
+
+ // ChatLine should be at the bottom of the list
+ for (int i = itemList.count()-1; i >= 0; i--) {
+ ChatLine *line = qgraphicsitem_cast<ChatLine *>(itemList.at(i));
+ if (line)
+ return line->row();
+ }
+ return -1;
+}
+
+
+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));
}
- }
+}
+
- // 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(const QRectF &rect)
+{
+ _sceneRect = rect;
+ setSceneRect(rect);
+ update();
}
-void ChatScene::updateSceneRect(qreal width) {
- _sceneRect.setWidth(width);
- updateSceneRect();
+
+// ========================================
+// 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;
+ // prepare to load a different URL
+ if (webPreview.previewItem) {
+ if (webPreview.previewItem->scene())
+ removeItem(webPreview.previewItem);
+ delete webPreview.previewItem;
+ webPreview.previewItem = 0;
+ }
+ webPreview.previewState = WebPreview::NoPreview;
+ }
+
+ if (webPreview.url.isEmpty())
+ return;
+
+ // 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;
+ }
+ // qDebug() << " new State:" << webPreview.previewState << webPreview.timer.isActive();
}
-void ChatScene::updateSceneRect(const QRectF &rect) {
- _sceneRect = rect;
- setSceneRect(rect);
+
+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);
+ 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;
+ }
+ webPreview.parentItem = 0;
+ webPreview.url = QUrl();
+ webPreview.urlRect = QRectF();
+ webPreview.previewState = WebPreview::NoPreview;
+ }
+ // qDebug() << " new State:" << webPreview.previewState << webPreview.timer.isActive();
}
-void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
-#ifndef HAVE_WEBKIT
- Q_UNUSED(parentItem)
- Q_UNUSED(url)
- Q_UNUSED(urlRect)
-#else
- 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) {
- removeItem(webPreview.previewItem);
- delete webPreview.previewItem;
- }
- webPreview.previewItem = new WebPreviewItem(url);
- addItem(webPreview.previewItem);
- }
- 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
+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();
}
-void ChatScene::clearWebPreview(ChatItem *parentItem) {
-#ifndef HAVE_WEBKIT
- Q_UNUSED(parentItem)
-#else
- if(parentItem == 0 || webPreview.parentItem == parentItem) {
- if(webPreview.previewItem) {
- removeItem(webPreview.previewItem);
- delete webPreview.previewItem;
- webPreview.previewItem = 0;
- }
- webPreview.parentItem = 0;
- webPreview.url = QString();
- webPreview.urlRect = QRectF();
- }
+
#endif
+
+// ========================================
+// end of webkit only
+// ========================================
+
+void ChatScene::showWebPreviewChanged()
+{
+ ChatViewSettings settings;
+ _showWebPreview = settings.showWebPreview();
}
projects / quassel.git / blobdiff