#include "messagefilter.h"
#include "quasselui.h"
-ChatView::ChatView(Buffer *buf, QWidget *parent) : QGraphicsView(parent), AbstractChatView() {
+ChatView::ChatView(BufferId bufferId, QWidget *parent)
+ : QGraphicsView(parent),
+ AbstractChatView()
+{
QList<BufferId> filterList;
- filterList.append(buf->bufferInfo().bufferId());
+ filterList.append(bufferId);
MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
init(filter);
-
}
-ChatView::ChatView(MessageFilter *filter, QWidget *parent) : QGraphicsView(parent), AbstractChatView() {
+ChatView::ChatView(MessageFilter *filter, QWidget *parent)
+ : QGraphicsView(parent),
+ AbstractChatView()
+{
init(filter);
}
_scene = new ChatScene(filter, filter->idString(), this);
connect(_scene, SIGNAL(heightChanged(qreal)), this, SLOT(sceneHeightChanged(qreal)));
setScene(_scene);
-}
-
-ChatView::~ChatView() {
-
-}
-
-ChatScene *ChatView::scene() const {
- return _scene;
+ connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int)));
}
void ChatView::resizeEvent(QResizeEvent *event) {
if(scrollable) verticalScrollBar()->setValue(verticalScrollBar()->maximum());
}
-void ChatView::clear()
-{
+void ChatView::verticalScrollbarChanged(int newPos) {
+ QAbstractSlider *vbar = verticalScrollBar();
+ Q_ASSERT(vbar);
+
+ int relativePos = 100;
+ if(vbar->maximum() - vbar->minimum() != 0)
+ relativePos = (newPos - vbar->minimum()) * 100 / (vbar->maximum() - vbar->minimum());
+
+ if(relativePos < 20) {
+ scene()->requestBacklog();
+ }
+}
+
+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<MsgId>();
}