* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#include <QApplication>
+#include <QClipboard>
#include <QGraphicsSceneMouseEvent>
#include <QPersistentModelIndex>
+#include <QWebView>
-#include "buffer.h"
#include "chatitem.h"
+#include "chatline.h"
#include "chatlinemodelitem.h"
#include "chatscene.h"
-#include "quasselui.h"
+#include "client.h"
+#include "clientbacklogmanager.h"
+#include "columnhandleitem.h"
+#include "messagefilter.h"
+#include "qtui.h"
+#include "qtuistyle.h"
+#include "chatviewsettings.h"
+#include "webpreviewitem.h"
-ChatScene::ChatScene(MessageModel *model, QObject *parent) : QGraphicsScene(parent), _model(model) {
- _width = 0;
- _timestampWidth = 60;
- _senderWidth = 80;
- connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(rowsInserted(const QModelIndex &, int, int)));
- for(int i = 0; i < model->rowCount(); i++) {
- ChatLine *line = new ChatLine(model->index(i, 0));
- _lines.append(line);
- addItem(line);
+const qreal minContentsWidth = 200;
+
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent)
+ : QGraphicsScene(0, 0, width, 0, parent),
+ _idString(idString),
+ _model(model),
+ _singleBufferScene(false),
+ _sceneRect(0, 0, width, 0),
+ _firstLineRow(-1),
+ _viewportHeight(0),
+ _cutoffMode(CutoffRight),
+ _selectingItem(0),
+ _selectionStart(-1),
+ _isSelecting(false)
+{
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model);
+ if(filter) {
+ _singleBufferScene = filter->isSingleBufferFilter();
}
- emit heightChanged(height());
-}
-ChatScene::~ChatScene() {
+ 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();
+
+ 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);
+#ifdef HAVE_WEBKIT
+ webPreview.delayTimer.setSingleShot(true);
+ connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreviewEvent()));
+ webPreview.deleteTimer.setInterval(600000);
+ connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
+#endif
+ setItemIndexMethod(QGraphicsScene::NoIndex);
+}
+
+ChatScene::~ChatScene() {
}
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
- // maybe make this more efficient by prepending stuff with negative yval
- // dunno if that's worth not guranteeing that 0 is on the top...
- // TODO bulk inserts, iterators
- int h = 0;
- int y = 0;
- if(_width && start > 0) y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
- for(int i = start; i <= end; i++) {
- ChatLine *line = new ChatLine(model()->index(i, 0));
- _lines.insert(i, line);
- addItem(line);
- if(_width > 0) {
+// 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 = 0;
+ qreal width = _sceneRect.width();
+ bool atBottom = (start == _lines.count());
+ bool atTop = !atBottom && (start == 0);
+ bool moveTop = false;
+
+ 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->setColumnWidths(_timestampWidth, _senderWidth, _width - _timestampWidth - _senderWidth);
+ 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...
+ int moveStart = 0;
+ int moveEnd = _lines.count() - 1;
+ qreal offset = h;
+ if(!(atTop || atBottom)) {
+ // 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++) {
+ line = _lines.at(i);
+ line->setPos(0, line->pos().y() + offset);
+ }
+ }
+
+ // check if all went right
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+// if(start != 0) {
+// if(_lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() != _lines.at(start)->pos().y()) {
+// qDebug() << "lines:" << _lines.count() << "start:" << start << "end:" << end;
+// qDebug() << "line[start - 1]:" << _lines.at(start - 1)->pos().y() << "+" << _lines.at(start - 1)->height() << "=" << _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height();
+// qDebug() << "line[start]" << _lines.at(start)->pos().y();
+// qDebug() << "needed moving:" << !(atTop || atBottom) << moveTop << moveStart << moveEnd << offset;
+// Q_ASSERT(false)
+// }
+// }
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
+// if(end + 1 < _lines.count()) {
+// if(_lines.at(end)->pos().y() + _lines.at(end)->height() != _lines.at(end + 1)->pos().y()) {
+// qDebug() << "lines:" << _lines.count() << "start:" << start << "end:" << end;
+// qDebug() << "line[end]:" << _lines.at(end)->pos().y() << "+" << _lines.at(end)->height() << "=" << _lines.at(end)->pos().y() + _lines.at(end)->height();
+// qDebug() << "line[end+1]" << _lines.at(end + 1)->pos().y();
+// qDebug() << "needed moving:" << !(atTop || atBottom) << moveTop << moveStart << moveEnd << offset;
+// Q_ASSERT(false);
+// }
+// }
+
+ if(!atBottom) {
+ if(start < _firstLineRow) {
+ int prevFirstLineRow = _firstLineRow + (end - start + 1);
+ for(int i = end + 1; i < prevFirstLineRow; i++) {
+ _lines.at(i)->show();
+ }
+ }
+ // force new search for first proper line
+ _firstLineRow = -1;
+ }
+ updateSceneRect();
+ if(atBottom || (!atTop && !moveTop)) {
+ emit lastLineChanged(_lines.last(), h);
+ }
+}
+
+void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
+ Q_UNUSED(parent);
+
+ qreal h = 0; // total height of removed items;
+
+ bool atTop = (start == 0);
+ bool atBottom = (end == _lines.count() - 1);
+ bool moveTop = false;
+
+ // clear selection
+ if(_selectingItem) {
+ int row = _selectingItem->row();
+ if(row >= start && row <= end)
+ setSelectingItem(0);
+ }
+
+ // remove items from scene
+ QList<ChatLine *>::iterator lineIter = _lines.begin() + start;
+ int lineCount = start;
+ 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 = 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
+ 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);
+ }
+ }
+
+ 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;
+ 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);
+}
+
+void ChatScene::setWidth(qreal width) {
+ if(width == _sceneRect.width())
+ return;
+
+ // 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 contentsWidth = width - secondColumnHandle()->sceneRight();
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ (*lineIter)->setGeometryByWidth(width, contentsWidth, linePos);
+ }
+ //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::firstHandlePositionChanged(qreal xpos) {
+ if(_firstColHandlePos == xpos)
+ return;
+
+ _firstColHandlePos = xpos;
+ ChatViewSettings viewSettings(this);
+ 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("SecondColumnHandlePos", _secondColHandlePos);
+
+ // clock_t startT = clock();
+
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ //setItemIndexMethod(QGraphicsScene::NoIndex);
+
+ QList<ChatLine *>::iterator lineIter = _lines.end();
+ QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
+ qreal linePos = _sceneRect.y() + _sceneRect.height();
+ qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ qreal contentsWidth = _sceneRect.width() - secondColumnHandle()->sceneRight();
+ QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ (*lineIter)->setSecondColumn(senderWidth, contentsWidth, contentsPos, linePos);
+ }
+ //setItemIndexMethod(QGraphicsScene::BspTreeIndex);
+
+ updateSceneRect();
+ setHandleXLimits();
+ emit layoutChanged();
+
+// 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);
+}
+
+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) {
+ // 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;
+
+ if(newstart == newend && minColumn == ChatLineModel::ContentsColumn) {
+ if(!_selectingItem) {
+ // _selectingItem has been removed already
+ 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(_selectionStart >= 0 && event->buttons() == Qt::LeftButton) {
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
+ _lines[l]->setSelected(false);
}
+ _isSelecting = false;
+ _selectionStart = -1;
+ QGraphicsScene::mousePressEvent(event); // so we can start a new local selection
+ } else {
+ QGraphicsScene::mousePressEvent(event);
}
- if(h > 0) {
- _height += h;
- for(int i = end+1; i < _lines.count(); i++) {
- _lines.value(i)->moveBy(0, h);
+}
+
+void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ if(_isSelecting && !event->buttons() & Qt::LeftButton) {
+ putToClipboard(selectionToString());
+ _isSelecting = false;
+ event->accept();
+ } else {
+ 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
+}
+
+//!\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;
+ 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() {
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->requestBacklog();
+ return;
+}
+
+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(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++;
}
- emit heightChanged(height());
}
+
+ // the following call should be safe. If it crashes something went wrong during insert/remove
+ if(_firstLineRow < _lines.count()) {
+ ChatLine *firstLine = _lines.at(_firstLineRow);
+ ChatLine *lastLine = _lines.last();
+ updateSceneRect(QRectF(0, firstLine->pos().y(), width, lastLine->pos().y() + lastLine->height() - firstLine->pos().y()));
+ } else {
+ // empty scene rect
+ updateSceneRect(QRectF(0, 0, width, 0));
+ }
+}
+
+void ChatScene::updateSceneRect(const QRectF &rect) {
+ _sceneRect = rect;
+ setSceneRect(rect);
+ update();
+}
+
+bool ChatScene::event(QEvent *e) {
+ if(e->type() == QEvent::ApplicationPaletteChange) {
+ _firstColHandle->setColor(QApplication::palette().windowText().color());
+ _secondColHandle->setColor(QApplication::palette().windowText().color());
+ }
+ return QGraphicsScene::event(e);
+}
+
+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 && webPreview.previewItem->scene()) {
+ removeItem(webPreview.previewItem);
+ delete webPreview.previewItem;
+ }
+ webPreview.previewItem = new WebPreviewItem(url);
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
+ } else if(webPreview.previewItem && !webPreview.previewItem->scene()) {
+ // we just have to readd the item to the scene
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
+ }
+ if(webPreview.urlRect != urlRect) {
+ webPreview.urlRect = urlRect;
+ 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::setWidth(int w) {
- _width = w;
- _height = 0;
- foreach(ChatLine *line, _lines) {
- line->setPos(0, _height);
- _height += line->setColumnWidths(_timestampWidth, _senderWidth, w - _timestampWidth - _senderWidth);
+void ChatScene::showWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem)
+ addItem(webPreview.previewItem);
+#endif
+}
+
+void ChatScene::clearWebPreview(ChatItem *parentItem) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(parentItem)
+#else
+ if(parentItem == 0 || webPreview.parentItem == parentItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
+ removeItem(webPreview.previewItem);
+ webPreview.deleteTimer.start();
+ }
+ webPreview.delayTimer.stop();
}
- emit heightChanged(_height);
+#endif
}
-void ChatScene::mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent ) {
- /*
- qDebug() << "recv" << mouseEvent->scenePos();
- ChatLine *line = static_cast<ChatLine*>(itemAt(mouseEvent->scenePos()));
- ChatItem *item = static_cast<ChatItem*>(itemAt(mouseEvent->scenePos()));
- qDebug() << (void*)line << (void*)item;
- if(line) {
- line->myMousePressEvent(mouseEvent);
- } else QGraphicsScene::mousePressEvent(mouseEvent);
- */
+void ChatScene::deleteWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem) {
+ delete webPreview.previewItem;
+ webPreview.previewItem = 0;
+ }
+ webPreview.parentItem = 0;
+ webPreview.url = QString();
+ webPreview.urlRect = QRectF();
+#endif
}
projects / quassel.git / blobdiff