/***************************************************************************
- * 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 *
***************************************************************************/
#include <QGraphicsTextItem>
+#include <QKeyEvent>
+#include <QMenu>
+#include <QScrollBar>
-#include "buffer.h"
-#include "chatline.h"
+#include "bufferwidget.h"
#include "chatscene.h"
#include "chatview.h"
-#include "quasselui.h"
+#include "client.h"
+#include "messagefilter.h"
+#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<BufferId> filterList;
+ filterList.append(bufferId);
+ MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
+ init(filter);
+}
-ChatView::ChatView(Buffer *buf, QWidget *parent) : QGraphicsView(parent) {
- _scene = new ChatScene(buf, this);
+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);
- QGraphicsTextItem *item = scene()->addText(buf->bufferInfo().bufferName());
+ 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()));
}
+bool ChatView::event(QEvent *event) {
+ if(event->type() == QEvent::KeyPress) {
+ QKeyEvent *keyEvent = static_cast<QKeyEvent*>(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;
+ }
+ }
-ChatView::~ChatView() {
+ if(event->type() == QEvent::Show) {
+ if(_invalidateFilter)
+ invalidateFilter();
+ }
+ return QGraphicsView::event(event);
}
+void ChatView::resizeEvent(QResizeEvent *event) {
+ QGraphicsView::resizeEvent(event);
-ChatScene *ChatView::scene() const {
- return _scene;
+ // 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());
}
+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::clear()
-{
+ setSceneRect(scene()->sceneRect().adjusted(0, 0, -25 ,0));
}
-void ChatView::prependMsg(AbstractUiMsg *msg) {
- ChatLine *line = dynamic_cast<ChatLine*>(msg);
- Q_ASSERT(line);
- prependChatLine(line);
+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::prependChatLine(ChatLine *line) {
- //qDebug() << "prepending";
+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::prependChatLines(QList<ChatLine *> clist) {
+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<ChatLine*>(msg);
- Q_ASSERT(line);
- appendChatLine(line);
-}
+void ChatView::verticalScrollbarChanged(int newPos) {
+ QAbstractSlider *vbar = verticalScrollBar();
+ Q_ASSERT(vbar);
-void ChatView::appendChatLine(ChatLine *line) {
- //qDebug() << "appending";
+ // 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());
}
+MsgId ChatView::lastMsgId() const {
+ if(!scene())
+ return MsgId();
+
+ QAbstractItemModel *model = scene()->model();
+ if(!model || model->rowCount() == 0)
+ return MsgId();
-void ChatView::appendChatLines(QList<ChatLine *> list) {
- foreach(ChatLine *line, list) {
-
+ return model->data(model->index(model->rowCount() - 1, 0), MessageModel::MsgIdRole).value<MsgId>();
+}
+
+void ChatView::addActionsToMenu(QMenu *menu, const QPointF &pos) {
+ // zoom actions
+ BufferWidget *bw = qobject_cast<BufferWidget *>(bufferContainer());
+ if(bw) {
+ bw->addActionsToMenu(menu, pos);
+ menu->addSeparator();
}
}
-void ChatView::setContents(QList<ChatLine *> list) {
- qDebug() << "setting" << list.count();
- appendChatLines(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::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;
+ }
+}
projects / quassel.git / blobdiff