X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatview.cpp;h=17dc074042bb6134881a2ae366671710de7528de;hp=59b5681f501044b4428ba8a406be112cfa227030;hb=f04db2cb802b1296ca739c823495930c71d3b4ab;hpb=920feae12b62b749299014ce85241165e09b7f4b diff --git a/src/qtui/chatview.cpp b/src/qtui/chatview.cpp index 59b5681f..17dc0740 100644 --- a/src/qtui/chatview.cpp +++ b/src/qtui/chatview.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * 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 * @@ -15,91 +15,394 @@ * 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 +#include +#include +#include -#include "buffer.h" -#include "chatlinemodelitem.h" +#include "bufferwidget.h" #include "chatscene.h" #include "chatview.h" #include "client.h" #include "messagefilter.h" -#include "quasselui.h" +#include "qtui.h" +#include "qtuistyle.h" +#include "clientignorelistmanager.h" -ChatView::ChatView(Buffer *buf, QWidget *parent) : QGraphicsView(parent), AbstractChatView() { - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setOptimizationFlags(QGraphicsView::DontClipPainter - |QGraphicsView::DontSavePainterState - |QGraphicsView::DontAdjustForAntialiasing); +#include "chatline.h" - QList filterList; - filterList.append(buf->bufferInfo().bufferId()); - MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this); +ChatView::ChatView(BufferId bufferId, QWidget *parent) + : QGraphicsView(parent), + AbstractChatView() +{ + QList filterList; + filterList.append(bufferId); + MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this); + init(filter); +} + + +ChatView::ChatView(MessageFilter *filter, QWidget *parent) + : QGraphicsView(parent), + AbstractChatView() +{ + init(filter); +} + + +void ChatView::init(MessageFilter *filter) +{ + _bufferContainer = 0; + _currentScaleFactor = 1; + _invalidateFilter = false; + + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); + setAlignment(Qt::AlignLeft|Qt::AlignBottom); + setInteractive(true); + //setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing); + // setOptimizationFlags(QGraphicsView::DontAdjustForAntialiasing); + setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate); + // setTransformationAnchor(QGraphicsView::NoAnchor); + setTransformationAnchor(QGraphicsView::AnchorViewCenter); + + _scrollTimer.setInterval(100); + _scrollTimer.setSingleShot(true); + connect(&_scrollTimer, SIGNAL(timeout()), SLOT(scrollTimerTimeout())); + + _scene = new ChatScene(filter, filter->idString(), viewport()->width(), this); + connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(adjustSceneRect())); + connect(_scene, SIGNAL(lastLineChanged(QGraphicsItem *, qreal)), this, SLOT(lastLineChanged(QGraphicsItem *, qreal))); + connect(_scene, SIGNAL(mouseMoveWhileSelecting(const QPointF &)), this, SLOT(mouseMoveWhileSelecting(const QPointF &))); + setScene(_scene); + + connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int))); + _lastScrollbarPos = verticalScrollBar()->value(); + + connect(Client::networkModel(), SIGNAL(markerLineSet(BufferId, MsgId)), SLOT(markerLineSet(BufferId, MsgId))); + + // only connect if client is synched with a core + if (Client::isConnected()) + connect(Client::ignoreListManager(), SIGNAL(ignoreListChanged()), this, SLOT(invalidateFilter())); +} + + +bool ChatView::event(QEvent *event) +{ + if (event->type() == QEvent::KeyPress) { + QKeyEvent *keyEvent = static_cast(event); + switch (keyEvent->key()) { + case Qt::Key_Up: + case Qt::Key_Down: + case Qt::Key_PageUp: + case Qt::Key_PageDown: + if (!verticalScrollBar()->isVisible()) { + scene()->requestBacklog(); + return true; + } + default: + break; + } + } + + if (event->type() == QEvent::Wheel) { + if (!verticalScrollBar()->isVisible()) { + scene()->requestBacklog(); + return true; + } + } + + if (event->type() == QEvent::Show) { + if (_invalidateFilter) + invalidateFilter(); + } + + return QGraphicsView::event(event); +} + + +void ChatView::resizeEvent(QResizeEvent *event) +{ + QGraphicsView::resizeEvent(event); + + // FIXME: do we really need to scroll down on resize? + + // we can reduce viewport updates if we scroll to the bottom allready at the beginning + verticalScrollBar()->setValue(verticalScrollBar()->maximum()); + scene()->updateForViewport(viewport()->width(), viewport()->height()); + adjustSceneRect(); + + _lastScrollbarPos = verticalScrollBar()->maximum(); + verticalScrollBar()->setValue(verticalScrollBar()->maximum()); + + checkChatLineCaches(); +} + + +void ChatView::adjustSceneRect() +{ + // Workaround for QTBUG-6322 + // If the viewport's sceneRect() is (almost) as wide as as the viewport itself, + // Qt wants to reserve space for scrollbars even if they're turned off, resulting in + // an ugly white space at the bottom of the ChatView. + // Since the view's scene's width actually doesn't matter at all, we just adjust it + // by some hopefully large enough value to avoid this problem. + + setSceneRect(scene()->sceneRect().adjusted(0, 0, -25, 0)); +} + + +void ChatView::mouseMoveWhileSelecting(const QPointF &scenePos) +{ + int y = (int)mapFromScene(scenePos).y(); + _scrollOffset = 0; + if (y < 0) + _scrollOffset = y; + else if (y > height()) + _scrollOffset = y - height(); + + if (_scrollOffset && !_scrollTimer.isActive()) + _scrollTimer.start(); +} + + +void ChatView::scrollTimerTimeout() +{ + // scroll view + QAbstractSlider *vbar = verticalScrollBar(); + if (_scrollOffset < 0 && vbar->value() > 0) + vbar->setValue(qMax(vbar->value() + _scrollOffset, 0)); + else if (_scrollOffset > 0 && vbar->value() < vbar->maximum()) + vbar->setValue(qMin(vbar->value() + _scrollOffset, vbar->maximum())); +} + + +void ChatView::lastLineChanged(QGraphicsItem *chatLine, qreal offset) +{ + Q_UNUSED(chatLine) + // disabled until further testing/discussion + //if(!scene()->isScrollingAllowed()) + // return; + + QAbstractSlider *vbar = verticalScrollBar(); + Q_ASSERT(vbar); + if (vbar->maximum() - vbar->value() <= (offset + 5) * _currentScaleFactor) { // 5px grace area + vbar->setValue(vbar->maximum()); + } +} + + +void ChatView::verticalScrollbarChanged(int newPos) +{ + QAbstractSlider *vbar = verticalScrollBar(); + Q_ASSERT(vbar); - _scene = new ChatScene(filter, this); - connect(_scene, SIGNAL(heightChanged(int)), this, SLOT(sceneHeightChanged(int))); - setScene(_scene); - setSceneRect(0, 0, width(), 0); + // check for backlog request + if (newPos < _lastScrollbarPos) { + int relativePos = 100; + if (vbar->maximum() - vbar->minimum() != 0) + relativePos = (newPos - vbar->minimum()) * 100 / (vbar->maximum() - vbar->minimum()); + if (relativePos < 20) { + scene()->requestBacklog(); + } + } + _lastScrollbarPos = newPos; + + // FIXME: Fugly workaround for the ChatView scrolling up 1px on buffer switch + if (vbar->maximum() - newPos <= 2) + vbar->setValue(vbar->maximum()); } -ChatView::~ChatView() { +MsgId ChatView::lastMsgId() const +{ + if (!scene()) + return MsgId(); + + QAbstractItemModel *model = scene()->model(); + if (!model || model->rowCount() == 0) + return MsgId(); + return model->index(model->rowCount() - 1, 0).data(MessageModel::MsgIdRole).value(); } -ChatScene *ChatView::scene() const { - return _scene; +MsgId ChatView::lastVisibleMsgId() const +{ + ChatLine *line = lastVisibleChatLine(); + + if (line) + return line->msgId(); + + return MsgId(); } -void ChatView::resizeEvent(QResizeEvent *event) { - scene()->setWidth(event->size().width()); + +bool chatLinePtrLessThan(ChatLine *one, ChatLine *other) +{ + return one->row() < other->row(); } -void ChatView::sceneHeightChanged(int h) { - setSceneRect(0, 0, width(), h); + +// TODO: figure out if it's cheaper to use a cached list (that we'd need to keep updated) +QSet ChatView::visibleChatLines(Qt::ItemSelectionMode mode) const +{ + QSet result; + foreach(QGraphicsItem *item, items(viewport()->rect().adjusted(-1, -1, 1, 1), mode)) { + ChatLine *line = qgraphicsitem_cast(item); + if (line) + result.insert(line); + } + return result; } -void ChatView::clear() + +QList ChatView::visibleChatLinesSorted(Qt::ItemSelectionMode mode) const { + QList result = visibleChatLines(mode).toList(); + qSort(result.begin(), result.end(), chatLinePtrLessThan); + return result; } -void ChatView::prependMsg(AbstractUiMsg *msg) { - //ChatLine *line = dynamic_cast(msg); - //Q_ASSERT(line); - //prependChatLine(line); + +ChatLine *ChatView::lastVisibleChatLine(bool ignoreDayChange) const +{ + if (!scene()) + return 0; + + QAbstractItemModel *model = scene()->model(); + if (!model || model->rowCount() == 0) + return 0; + + int row = -1; + + QSet visibleLines = visibleChatLines(Qt::ContainsItemBoundingRect); + foreach(ChatLine *line, visibleLines) { + if (line->row() > row && (ignoreDayChange ? line->msgType() != Message::DayChange : true)) + row = line->row(); + } + + if (row >= 0) + return scene()->chatLine(row); + + return 0; } -void ChatView::prependChatLine(ChatLine *line) { - //qDebug() << "prepending"; + +void ChatView::setMarkerLineVisible(bool visible) +{ + scene()->setMarkerLineVisible(visible); } -void ChatView::prependChatLines(QList clist) { +void ChatView::setMarkerLine(MsgId msgId) +{ + if (!scene()->isSingleBufferScene()) + return; + + BufferId bufId = scene()->singleBufferId(); + Client::setMarkerLine(bufId, msgId); } -void ChatView::appendMsg(AbstractUiMsg *msg) { - //ChatLine *line = dynamic_cast(msg); - //Q_ASSERT(line); - //appendChatLine(line); + +void ChatView::markerLineSet(BufferId buffer, MsgId msgId) +{ + if (!scene()->isSingleBufferScene() || scene()->singleBufferId() != buffer) + return; + + scene()->setMarkerLine(msgId); + scene()->setMarkerLineVisible(true); } -void ChatView::appendChatLine(ChatLine *line) { - //qDebug() << "appending"; + +void ChatView::jumpToMarkerLine(bool requestBacklog) +{ + scene()->jumpToMarkerLine(requestBacklog); } -void ChatView::appendChatLines(QList list) { - //foreach(ChatLine *line, list) { - - //} +void ChatView::addActionsToMenu(QMenu *menu, const QPointF &pos) +{ + // zoom actions + BufferWidget *bw = qobject_cast(bufferContainer()); + if (bw) { + bw->addActionsToMenu(menu, pos); + menu->addSeparator(); + } +} + + +void ChatView::zoomIn() +{ + _currentScaleFactor *= 1.2; + scale(1.2, 1.2); + scene()->setWidth(viewport()->width() / _currentScaleFactor - 2); +} + + +void ChatView::zoomOut() +{ + _currentScaleFactor /= 1.2; + scale(1 / 1.2, 1 / 1.2); + scene()->setWidth(viewport()->width() / _currentScaleFactor - 2); +} + + +void ChatView::zoomOriginal() +{ + scale(1/_currentScaleFactor, 1/_currentScaleFactor); + _currentScaleFactor = 1; + scene()->setWidth(viewport()->width() - 2); } -void ChatView::setContents(const QList &list) { - //qDebug() << "setting" << list.count(); - //appendChatLines(list); + +void ChatView::invalidateFilter() +{ + // if this is the currently selected chatview + // invalidate immediately + if (isVisible()) { + _scene->filter()->invalidateFilter(); + _invalidateFilter = false; + } + // otherwise invalidate whenever the view is shown + else { + _invalidateFilter = true; + } } + +void ChatView::scrollContentsBy(int dx, int dy) +{ + QGraphicsView::scrollContentsBy(dx, dy); + checkChatLineCaches(); +} + + +void ChatView::setHasCache(ChatLine *line, bool hasCache) +{ + if (hasCache) + _linesWithCache.insert(line); + else + _linesWithCache.remove(line); +} + + +void ChatView::checkChatLineCaches() +{ + qreal top = mapToScene(viewport()->rect().topLeft()).y() - 10; // some grace area to avoid premature cleaning + qreal bottom = mapToScene(viewport()->rect().bottomRight()).y() + 10; + QSet::iterator iter = _linesWithCache.begin(); + while (iter != _linesWithCache.end()) { + ChatLine *line = *iter; + if (line->pos().y() + line->height() < top || line->pos().y() > bottom) { + line->clearCache(); + iter = _linesWithCache.erase(iter); + } + else + ++iter; + } +}