X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatview.cpp;h=71c14276b5cfb676a5245779f371573c0de85c1b;hp=5bc02c5758bc7ef5ad3714232ece98d30812e27f;hb=dfcf836c5f1f57cadcdbea5c5a7a7034d21ce332;hpb=9ce42695baef3bdd6f61aaff23c4b59061e46fe6 diff --git a/src/qtui/chatview.cpp b/src/qtui/chatview.cpp index 5bc02c57..71c14276 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) 2005-09 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -19,89 +19,228 @@ ***************************************************************************/ #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" - -ChatView::ChatView(Buffer *buf, QWidget *parent) : QGraphicsView(parent), AbstractChatView() { - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setAlignment(Qt::AlignBottom); - setInteractive(true); - +#include "qtui.h" +#include "qtuistyle.h" +#include "clientignorelistmanager.h" + +ChatView::ChatView(BufferId bufferId, QWidget *parent) + : QGraphicsView(parent), + AbstractChatView(), + _bufferContainer(0), + _currentScaleFactor(1), + _invalidateFilter(false) +{ QList filterList; - filterList.append(buf->bufferInfo().bufferId()); + filterList.append(bufferId); MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this); + init(filter); +} - _scene = new ChatScene(filter, filter->idString(), this); - connect(_scene, SIGNAL(heightChanged(qreal)), this, SLOT(sceneHeightChanged(qreal))); - setScene(_scene); +ChatView::ChatView(MessageFilter *filter, QWidget *parent) + : QGraphicsView(parent), + AbstractChatView(), + _bufferContainer(0), + _currentScaleFactor(1), + _invalidateFilter(false) +{ + init(filter); } +void ChatView::init(MessageFilter *filter) { + 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); -ChatView::~ChatView() { + connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int))); + _lastScrollbarPos = verticalScrollBar()->value(); + // only connect if client is synched with a core + if(Client::isConnected()) + connect(Client::ignoreListManager(), SIGNAL(ignoreListChanged()), this, SLOT(invalidateFilter())); } - -ChatScene *ChatView::scene() const { - return _scene; +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) { - scene()->setWidth(event->size().width() - 2); // FIXME figure out why we have to hardcode the -2 here + QGraphicsView::resizeEvent(event); + + // 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(); -void ChatView::sceneHeightChanged(qreal h) { - Q_UNUSED(h) - bool scrollable = verticalScrollBar()->value() == verticalScrollBar()->maximum(); - setSceneRect(scene()->sceneRect()); - if(scrollable) verticalScrollBar()->setValue(verticalScrollBar()->maximum()); + _lastScrollbarPos = verticalScrollBar()->maximum(); + verticalScrollBar()->setValue(verticalScrollBar()->maximum()); } -void ChatView::clear() -{ -} +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. -void ChatView::prependMsg(AbstractUiMsg *msg) { - //ChatLine *line = dynamic_cast(msg); - //Q_ASSERT(line); - //prependChatLine(line); + setSceneRect(scene()->sceneRect().adjusted(0, 0, -25 ,0)); } -void ChatView::prependChatLine(ChatLine *line) { - //qDebug() << "prepending"; +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::prependChatLines(QList clist) { +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::appendMsg(AbstractUiMsg *msg) { - //ChatLine *line = dynamic_cast(msg); - //Q_ASSERT(line); - //appendChatLine(line); +void ChatView::verticalScrollbarChanged(int newPos) { + QAbstractSlider *vbar = verticalScrollBar(); + Q_ASSERT(vbar); + + // 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()); } -void ChatView::appendChatLine(ChatLine *line) { - //qDebug() << "appending"; +MsgId ChatView::lastMsgId() const { + if(!scene()) + return MsgId(); + + QAbstractItemModel *model = scene()->model(); + if(!model || model->rowCount() == 0) + return MsgId(); + + return model->data(model->index(model->rowCount() - 1, 0), MessageModel::MsgIdRole).value(); } +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::appendChatLines(QList list) { - //foreach(ChatLine *line, list) { +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::setContents(const QList &list) { - //qDebug() << "setting" << list.count(); - //appendChatLines(list); +void ChatView::zoomOriginal() { + scale(1/_currentScaleFactor, 1/_currentScaleFactor); + _currentScaleFactor = 1; + scene()->setWidth(viewport()->width() - 2); } +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; + } +}