X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.cpp;h=33a13c516af89bbbed9ca14e930f6442836d4137;hp=8207248e2d2a2f6a5d7d1fb1dde03868554bc6f0;hb=5b2f14be0d05db7c02ff0faa6513eb6b471994f0;hpb=d7acce94cb3a4090e31919c90644f9df5ad81c37 diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp index 8207248e..33a13c51 100644 --- a/src/qtui/chatscene.cpp +++ b/src/qtui/chatscene.cpp @@ -23,11 +23,14 @@ #include #include -#include "buffer.h" #include "chatitem.h" +#include "chatline.h" #include "chatlinemodelitem.h" #include "chatscene.h" +#include "client.h" +#include "clientbacklogmanager.h" #include "columnhandleitem.h" +#include "messagefilter.h" #include "qtui.h" #include "qtuisettings.h" @@ -35,18 +38,27 @@ const qreal minContentsWidth = 200; ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent) : QGraphicsScene(parent), - _idString(idString), - _model(model) + _idString(idString), + _width(0), + _height(0), + _model(model), + _singleBufferScene(false), + _selectingItem(0), + _selectionStart(-1), + _isSelecting(false), + _fetchingBacklog(false) { - _width = 0; - _selectingItem = 0; - _isSelecting = false; - _selectionStart = -1; + MessageFilter *filter = qobject_cast(model); + if(filter) { + _singleBufferScene = filter->isSingleBufferFilter(); + } + connect(this, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(rectChanged(const QRectF &))); 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(model->index(i, 0)); + ChatLine *line = new ChatLine(i, model); _lines.append(line); addItem(line); } @@ -76,7 +88,6 @@ ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject ChatScene::~ChatScene() { - } void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) { @@ -88,7 +99,7 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) { 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(model()->index(i, 0)); + ChatLine *line = new ChatLine(i, model()); _lines.insert(i, line); addItem(line); if(_width > 0) { @@ -96,6 +107,20 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) { h += line->setGeometry(_width, firstColHandlePos, secondColHandlePos); } } + // 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; + } + if(h > 0) { _height += h; for(int i = end+1; i < _lines.count(); i++) { @@ -104,6 +129,17 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) { setSceneRect(QRectF(0, 0, _width, _height)); emit heightChanged(_height); } + + requestBacklogIfNeeded(); +} + +void ChatScene::modelReset() { + foreach(ChatLine *line, _lines) { + removeItem(line); + delete line; + } + _lines.clear(); + setSceneRect(QRectF(0, 0, _width, 0)); } void ChatScene::setWidth(qreal w) { @@ -151,8 +187,8 @@ void ChatScene::setSelectingItem(ChatItem *item) { } void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos) { - _selectionStart = _selectionEnd = item->index().row(); - _selectionStartCol = _selectionMinCol = item->index().column(); + _selectionStart = _selectionEnd = _lastSelectionRow = _firstSelectionRow = item->row(); + _selectionStartCol = _selectionMinCol = item->column(); _isSelecting = true; _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol); updateSelection(item->mapToScene(itemPos)); @@ -164,7 +200,7 @@ void ChatScene::updateSelection(const QPointF &pos) { ChatItem *contentItem = static_cast(itemAt(QPointF(secondColHandlePos + secondColHandle->width()/2, pos.y()))); if(!contentItem) return; - int curRow = contentItem->index().row(); + int curRow = contentItem->row(); int curColumn; if(pos.x() > secondColHandlePos + secondColHandle->width()/2) curColumn = ChatLineModel::ContentsColumn; else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn; @@ -177,35 +213,40 @@ 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); + } + + _selectionStart = newstart; + _selectionEnd = newend; + _lastSelectionRow = curRow; - if(curRow == _selectionStart && minColumn == ChatLineModel::ContentsColumn) { + if(newstart == newend && minColumn == ChatLineModel::ContentsColumn) { _lines[curRow]->setSelected(false); _isSelecting = false; + Q_ASSERT(_selectingItem); // this seems to not always be true, but I have no idea why + // adding this assert to make sure the occasional segfault is caused by this _selectingItem->continueSelecting(_selectingItem->mapFromScene(pos)); } } void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { - if(_isSelecting && event->buttons() & Qt::LeftButton) { + if(_isSelecting && event->buttons() == Qt::LeftButton) { updateSelection(event->scenePos()); event->accept(); } else { @@ -214,7 +255,7 @@ void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { } void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *event) { - if(event->buttons() & Qt::LeftButton && _selectionStart >= 0) { + if(event->buttons() == Qt::LeftButton && _selectionStart >= 0) { for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) { _lines[l]->setSelected(false); } @@ -226,13 +267,8 @@ void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *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 + if(_isSelecting && !event->buttons() & Qt::LeftButton) { + putToClipboard(selectionToString()); _isSelecting = false; event->accept(); } else { @@ -240,17 +276,66 @@ void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *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 ""; + 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 = _selectionStart; l <= _selectionEnd; l++) { + for(int l = start; l <= end; l++) { if(_selectionMinCol == ChatLineModel::TimestampColumn) - result += _lines[l]->item(ChatLineModel::TimestampColumn)->data(MessageModel::DisplayRole).toString() + " "; + 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"; + 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::setIsFetchingBacklog(bool fetch) { + if(!isBacklogFetchingEnabled()) return; + + if(!fetch) { + _fetchingBacklog = false; + } else { + _fetchingBacklog = true; + requestBacklogIfNeeded(); + } +} + +void ChatScene::requestBacklogIfNeeded() { + const int REQUEST_COUNT = 50; + + 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(); + } +} + +int ChatScene::sectionByScenePos(int x) { + if(x < firstColHandlePos) + return ChatLineModel::TimestampColumn; + if(x < secondColHandlePos) + return ChatLineModel::SenderColumn; + + return ChatLineModel::ContentsColumn; +}