/***************************************************************************
- * Copyright (C) 2005-07 by the Quassel IRC Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
***************************************************************************/
#include <QGraphicsTextItem>
+#include <QScrollBar>
#include "buffer.h"
-#include "chatline.h"
+#include "chatlinemodelitem.h"
#include "chatscene.h"
#include "chatview.h"
+#include "client.h"
+#include "messagefilter.h"
#include "quasselui.h"
-ChatView::ChatView(Buffer *buf, QWidget *parent) : QGraphicsView(parent) {
- _scene = new ChatScene(buf, this);
- setScene(_scene);
-
- QGraphicsTextItem *item = scene()->addText(buf->name());
+ChatView::ChatView(Buffer *buf, QWidget *parent)
+ : QGraphicsView(parent),
+ AbstractChatView()
+{
+ QList<BufferId> filterList;
+ filterList.append(buf->bufferInfo().bufferId());
+ MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
+ init(filter);
}
-
-ChatView::~ChatView() {
-
+ChatView::ChatView(MessageFilter *filter, QWidget *parent)
+ : QGraphicsView(parent),
+ AbstractChatView()
+{
+ init(filter);
}
+void ChatView::init(MessageFilter *filter) {
+ setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ setAlignment(Qt::AlignBottom);
+ setInteractive(true);
-ChatScene *ChatView::scene() const {
- return _scene;
-}
+ _scene = new ChatScene(filter, filter->idString(), this);
+ connect(_scene, SIGNAL(heightChanged(qreal)), this, SLOT(sceneHeightChanged(qreal)));
+ setScene(_scene);
-/*
-void ChatView::clear()
-{
+ connect(verticalScrollBar(), SIGNAL(sliderPressed()), this, SLOT(sliderPressed()));
+ connect(verticalScrollBar(), SIGNAL(sliderReleased()), this, SLOT(sliderReleased()));
+ connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int)));
}
-void ChatView::prependMsg(AbstractUiMsg *msg) {
- ChatLine *line = dynamic_cast<ChatLine*>(msg);
- Q_ASSERT(line);
- prependChatLine(line);
+void ChatView::resizeEvent(QResizeEvent *event) {
+ scene()->setWidth(event->size().width() - 2); // FIXME figure out why we have to hardcode the -2 here
+ verticalScrollBar()->setValue(verticalScrollBar()->maximum());
}
-void ChatView::prependChatLine(ChatLine *line) {
- qDebug() << "prepending";
+void ChatView::sceneHeightChanged(qreal h) {
+ Q_UNUSED(h)
+ bool scrollable = qAbs(verticalScrollBar()->value() - verticalScrollBar()->maximum()) <= 2; // be a bit tolerant here, also FIXME (why we need this?)
+ setSceneRect(scene()->sceneRect());
+ if(scrollable) verticalScrollBar()->setValue(verticalScrollBar()->maximum());
}
-void ChatView::prependChatLines(QList<ChatLine *> clist) {
-
+void ChatView::setBufferForBacklogFetching(BufferId id) {
+ scene()->setBufferForBacklogFetching(id);
}
-void ChatView::appendMsg(AbstractUiMsg *msg) {
- ChatLine *line = dynamic_cast<ChatLine*>(msg);
- Q_ASSERT(line);
- appendChatLine(line);
+void ChatView::sliderPressed() {
+ verticalScrollbarChanged(verticalScrollBar()->value());
}
-void ChatView::appendChatLine(ChatLine *line) {
- qDebug() << "appending";
+void ChatView::sliderReleased() {
+ if(scene()->isFetchingBacklog()) scene()->setIsFetchingBacklog(false);
}
-
-void ChatView::appendChatLines(QList<ChatLine *> list) {
- foreach(ChatLine *line, list) {
-
+void ChatView::verticalScrollbarChanged(int newPos) {
+ Q_UNUSED(newPos);
+ if(!scene()->isBacklogFetchingEnabled()) return;
+
+ QAbstractSlider *vbar = verticalScrollBar();
+ if(!vbar)
+ return;
+ if(vbar->isSliderDown()) {
+ /*
+ int relativePos = 100;
+ if(vbar->maximum() - vbar->minimum() != 0)
+ relativePos = (newPos - vbar->minimum()) * 100 / (vbar->maximum() - vbar->minimum());
+ scene()->setIsFetchingBacklog(relativePos < 20);
+ */
+ scene()->setIsFetchingBacklog(vbar->value() == vbar->minimum());
}
}
-
-void ChatView::setContents(QList<ChatLine *> list) {
- qDebug() << "setting" << list.count();
- appendChatLines(list);
-}
-*/