X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.cpp;h=86a461bbf55394c48cd588fea7b4bdaa65cd2ca7;hp=8bf8adde4988c2a35674e69c9dae86d28b4c78d7;hb=d36a37a4a2e2fa889cf12d596258f9ba4dfcc5ed;hpb=9d22ec1fd8e8652744e6ea6c91de4a6ec5b2146c diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp index 8bf8adde..86a461bb 100644 --- a/src/qtui/chatscene.cpp +++ b/src/qtui/chatscene.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * 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 * @@ -20,157 +20,493 @@ #include #include +#include #include +#include #include +#ifdef HAVE_WEBKIT +# include +#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 "qtuisettings.h" +#include "qtuistyle.h" +#include "chatviewsettings.h" +#include "webpreviewitem.h" const qreal minContentsWidth = 200; -ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent) - : QGraphicsScene(parent), +ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent) + : QGraphicsScene(0, 0, width, 0, (QObject *)parent), + _chatView(parent), _idString(idString), - _width(0), - _height(0), _model(model), - _singleBufferScene(false), + _singleBufferId(BufferId()), + _sceneRect(0, 0, width, 0), + _firstLineRow(-1), + _viewportHeight(0), + _cutoffMode(CutoffRight), _selectingItem(0), - _lastItem(0), _selectionStart(-1), _isSelecting(false), - _fetchingBacklog(false) + _clickMode(NoClick), + _clickHandled(true), + _leftButtonPressed(false) { MessageFilter *filter = qobject_cast(model); - if(filter) { - _singleBufferScene = filter->isSingleBufferFilter(); + if(filter && filter->isSingleBufferFilter()) { + _singleBufferId = filter->singleBufferId(); } - connect(this, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(rectChanged(const QRectF &))); + ChatViewSettings defaultSettings; + int defaultFirstColHandlePos = defaultSettings.value("FirstColumnHandlePos", 80).toInt(); + int defaultSecondColHandlePos = defaultSettings.value("SecondColumnHandlePos", 200).toInt(); - connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(rowsInserted(const QModelIndex &, int, int))); - connect(model, SIGNAL(modelAboutToBeReset()), this, SLOT(modelReset())); - for(int i = 0; i < model->rowCount(); i++) { - ChatLine *line = new ChatLine(i, model); - _lines.append(line); - addItem(line); - } + 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 &))); - QtUiSettings s; - int defaultFirstColHandlePos = s.value("ChatView/DefaultFirstColumnHandlePos", 80).toInt(); - int defaultSecondColHandlePos = s.value("ChatView/DefaultSecondColumnHandlePos", 200).toInt(); + _secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator()); + addItem(_secondColHandle); + _secondColHandle->setXPos(_secondColHandlePos); + connect(_secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(secondHandlePositionChanged(qreal))); - firstColHandlePos = s.value(QString("ChatView/%1/FirstColumnHandlePos").arg(_idString), - defaultFirstColHandlePos).toInt(); - secondColHandlePos = s.value(QString("ChatView/%1/SecondColumnHandlePos").arg(_idString), - defaultSecondColHandlePos).toInt(); + connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _secondColHandle, SLOT(sceneRectChanged(const QRectF &))); - firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator()); addItem(firstColHandle); - secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator()); addItem(secondColHandle); + setHandleXLimits(); - connect(firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal))); - connect(secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal))); + if(model->rowCount() > 0) + rowsInserted(QModelIndex(), 0, model->rowCount() - 1); - firstColHandle->setXPos(firstColHandlePos); - firstColHandle->setXLimits(0, secondColHandlePos); - secondColHandle->setXPos(secondColHandlePos); - secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth); + 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(dataChanged(QModelIndex, QModelIndex)), SLOT(dataChanged(QModelIndex, QModelIndex))); - emit heightChanged(height()); +#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; +} +ChatItem *ChatScene::chatItemAt(const QPointF &scenePos) const { + QGraphicsItem *item = itemAt(scenePos); + return dynamic_cast(item); +} + +bool ChatScene::containsBuffer(const BufferId &id) const { + MessageFilter *filter = qobject_cast(model()); + if(filter) + return filter->containsBuffer(id); + else + return false; } 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 + + +// 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() +// << ssidx.data(Qt::DisplayRole).toString(); +// } +// qDebug() << "Start:" << start << sidx.data(MessageModel::MsgIdRole).value() +// << sidx.data(Qt::DisplayRole).toString(); +// qDebug() << "End:" << end << eidx.data(MessageModel::MsgIdRole).value() +// << 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() +// << eeidx.data(Qt::DisplayRole).toString(); +// } + qreal h = 0; qreal 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(i, model()); - _lines.insert(i, line); - addItem(line); - if(_width > 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->setGeometry(_width, firstColHandlePos, secondColHandlePos); + 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); } - if(h > 0) { - _height += h; - for(int i = end+1; i < _lines.count(); i++) { - _lines.value(i)->moveBy(0, h); + // 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); } - setSceneRect(QRectF(0, 0, _width, _height)); - emit heightChanged(_height); + if(_firstSelectionRow >= start) + _firstSelectionRow += offset; } - requestBacklogIfNeeded(); + // 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::modelReset() { - foreach(ChatLine *line, _lines) { - removeItem(line); - delete line; +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::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); } - _lines.clear(); - setSceneRect(QRectF(0, 0, _width, 0)); + + // 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::setWidth(qreal w) { - _width = w; - _height = 0; - foreach(ChatLine *line, _lines) { - line->setPos(0, _height); - _height += line->setGeometry(_width, firstColHandlePos, secondColHandlePos); +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); + } + } + } } - setSceneRect(QRectF(0, 0, w, _height)); - secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth); - emit heightChanged(_height); + + //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::rectChanged(const QRectF &rect) { - firstColHandle->sceneRectChanged(rect); - secondColHandle->sceneRectChanged(rect); +void ChatScene::firstHandlePositionChanged(qreal xpos) { + if(_firstColHandlePos == xpos) + return; + + _firstColHandlePos = xpos >= 0 ? xpos : 0; + 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::iterator lineIter = _lines.end(); + QList::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::handlePositionChanged(qreal xpos) { - bool first = (sender() == firstColHandle); - qreal oldx; - if(first) { - oldx = firstColHandlePos; - firstColHandlePos = xpos; - } else { - oldx = secondColHandlePos; - secondColHandlePos = xpos; +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::iterator lineIter = _lines.end(); + QList::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); } - QtUiSettings s; - s.setValue(QString("ChatView/%1/FirstColumnHandlePos").arg(_idString), firstColHandlePos); - s.setValue(QString("ChatView/%1/SecondColumnHandlePos").arg(_idString), secondColHandlePos); - s.setValue(QString("ChatView/DefaultFirstColumnHandlePos"), firstColHandlePos); - s.setValue(QString("ChatView/DefaultSecondColumnHandlePos"), secondColHandlePos); + //setItemIndexMethod(QGraphicsScene::BspTreeIndex); + + updateSceneRect(); + setHandleXLimits(); + emit layoutChanged(); - setWidth(width()); // 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) - firstColHandle->width()/2, 0, qMax(oldx, xpos) + firstColHandle->width()/2, height()); +// clock_t endT = clock(); +// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec"; +} + +void ChatScene::setHandleXLimits() { + _firstColHandle->setXLimits(0, _secondColHandle->sceneLeft()); + _secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth); } void ChatScene::setSelectingItem(ChatItem *item) { @@ -179,7 +515,7 @@ void ChatScene::setSelectingItem(ChatItem *item) { } void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos) { - _selectionStart = _selectionEnd = item->row(); + _selectionStart = _selectionEnd = _firstSelectionRow = item->row(); _selectionStartCol = _selectionMinCol = item->column(); _isSelecting = true; _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol); @@ -187,17 +523,9 @@ void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &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(itemAt(QPointF(secondColHandlePos + secondColHandle->width()/2, pos.y()))); - if(!contentItem) return; - - int curRow = contentItem->row(); - int curColumn; - if(pos.x() > secondColHandlePos + secondColHandle->width()/2) 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; @@ -205,119 +533,477 @@ void ChatScene::updateSelection(const QPointF &pos) { _lines[l]->setSelected(true, minColumn); } } - - if(curRow > _selectionEnd && curRow > _selectionStart) { // select further towards bottom - for(int l = _selectionEnd + 1; l <= curRow; l++) { + 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); - } - } else if(curRow > _selectionEnd && curRow <= _selectionStart) { // deselect towards bottom - for(int l = _selectionEnd; l < curRow; l++) { - _lines[l]->setSelected(false); - } - } else if(curRow < _selectionEnd && curRow >= _selectionStart) { - for(int l = _selectionEnd; l > curRow; l--) { + } + if(newstart > _selectionStart) { + for(int l = _selectionStart; l < newstart; l++) _lines[l]->setSelected(false); - } - } else if(curRow < _selectionEnd && curRow < _selectionStart) { - for(int l = _selectionEnd - 1; l >= curRow; l--) { + } + if(newend > _selectionEnd) { + for(int l = _selectionEnd+1; l <= newend; l++) _lines[l]->setSelected(true, minColumn); - } } - _selectionEnd = curRow; + if(newend < _selectionEnd) { + for(int l = newend+1; l <= _selectionEnd; l++) + _lines[l]->setSelected(false); + } - if(curRow == _selectionStart && minColumn == ChatLineModel::ContentsColumn) { + _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)); } } -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; - event->accept(); - } 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) { -# ifdef Q_WS_X11 - QApplication::clipboard()->setText(selectionToString(), QClipboard::Selection); -# endif -//# else - QApplication::clipboard()->setText(selectionToString()); -//# endif - _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::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"; - } - return result; + 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(); } -void ChatScene::setIsFetchingBacklog(bool fetch) { - if(!isBacklogFetchingEnabled()) return; +bool ChatScene::hasSelection() const { + return hasGlobalSelection() || (selectingItem() && selectingItem()->hasSelection()); +} - if(!fetch) { - _fetchingBacklog = false; - } else { - _fetchingBacklog = true; - requestBacklogIfNeeded(); +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::requestBacklogIfNeeded() { - const int REQUEST_COUNT = 50; +void ChatScene::clearSelection() { + clearGlobalSelection(); + if(selectingItem()) + selectingItem()->clearSelection(); +} - if(!isBacklogFetchingEnabled() || !isFetchingBacklog() || !model()->rowCount()) return; +/******** *************************************************************************************/ - MsgId msgId = model()->data(model()->index(0, 0), ChatLineModel::MsgIdRole).value(); - if(!_lastBacklogOffset.isValid() || (msgId < _lastBacklogOffset && _lastBacklogSize + REQUEST_COUNT <= model()->rowCount())) { - Client::backlogManager()->requestBacklog(bufferForBacklogFetching(), REQUEST_COUNT, msgId.toInt()); - _lastBacklogOffset = msgId; - _lastBacklogSize = model()->rowCount(); - } +void ChatScene::requestBacklog() { + MessageFilter *filter = qobject_cast(model()); + if(filter) + return filter->requestBacklog(); + return; } -int ChatScene::sectionByScenePos(int x) { - if(x < firstColHandlePos) +ChatLineModel::ColumnType ChatScene::columnByScenePos(qreal x) const { + if(x < _firstColHandle->x()) return ChatLineModel::TimestampColumn; - if(x < secondColHandlePos) + if(x < _secondColHandle->x()) return ChatLineModel::SenderColumn; return ChatLineModel::ContentsColumn; } + +int ChatScene::rowByScenePos(qreal y) const { + // This is somewhat hacky... we look at the contents item that is at the given y position, since + // it has the full height. From this item, we can then determine the row index and hence the ChatLine. + // ChatItems cover their ChatLine, so we won't get to the latter directly. + ChatItem *contentItem = static_cast(itemAt(QPointF(_secondColHandle->sceneRight() + 1, y))); + if(!contentItem) return -1; + return contentItem->row(); +} + +void ChatScene::updateSceneRect(qreal width) { + if(_lines.isEmpty()) { + updateSceneRect(QRectF(0, 0, width, 0)); + return; + } + + // we hide day change messages at the top by making the scene rect smaller + // and by calling QGraphicsItem::hide() on all leading day change messages + // the first one is needed to ensure proper scrollbar ranges + // the second for cases where the viewport is larger then the set scenerect + // (in this case the items are shown anyways) + if(_firstLineRow == -1) { + int numRows = model()->rowCount(); + _firstLineRow = 0; + QModelIndex firstLineIdx; + while(_firstLineRow < numRows) { + firstLineIdx = model()->index(_firstLineRow, 0); + if((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) != Message::DayChange) + break; + _lines.at(_firstLineRow)->hide(); + _firstLineRow++; + } + } + + // the following call should be safe. If it crashes something went wrong during insert/remove + if(_firstLineRow < _lines.count()) { + ChatLine *firstLine = _lines.at(_firstLineRow); + ChatLine *lastLine = _lines.last(); + updateSceneRect(QRectF(0, firstLine->pos().y(), width, lastLine->pos().y() + lastLine->height() - firstLine->pos().y())); + } else { + // empty scene rect + updateSceneRect(QRectF(0, 0, width, 0)); + } +} + +void ChatScene::updateSceneRect(const QRectF &rect) { + _sceneRect = rect; + setSceneRect(rect); + update(); +} + +bool ChatScene::event(QEvent *e) { + if(e->type() == QEvent::ApplicationPaletteChange) { + _firstColHandle->setColor(QApplication::palette().windowText().color()); + _secondColHandle->setColor(QApplication::palette().windowText().color()); + } + return QGraphicsScene::event(e); +} + +// ======================================== +// 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::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::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(); +}