#include "chatitem.h"
#include "chatlinemodelitem.h"
#include "chatscene.h"
-#include "quasselui.h"
+#include "columnhandleitem.h"
+#include "qtui.h"
+
+const qreal minContentsWidth = 200;
+
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent)
+ : QGraphicsScene(parent),
+ _idString(idString),
+ _model(model)
+{
+ _width = 0;
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(rectChanged(const QRectF &)));
-ChatScene::ChatScene(MessageModel *model, QObject *parent) : QGraphicsScene(parent), _model(model) {
connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(rowsInserted(const QModelIndex &, int, int)));
for(int i = 0; i < model->rowCount(); i++) {
ChatLine *line = new ChatLine(model->index(i, 0));
+ _lines.append(line);
addItem(line);
- line->setPos(30, i*line->boundingRect().height());
}
-
+ firstColHandlePos = 80;
+ secondColHandlePos = 200;
+
+ firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator()); addItem(firstColHandle);
+ secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator()); addItem(secondColHandle);
+
+ connect(firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+ connect(secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+
+ firstColHandle->setXPos(firstColHandlePos);
+ firstColHandle->setXLimits(0, secondColHandlePos);
+ secondColHandle->setXPos(secondColHandlePos);
+ secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth);
+
+ emit heightChanged(height());
}
ChatScene::~ChatScene() {
}
+void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
+ Q_UNUSED(index);
+ // maybe make this more efficient by prepending stuff with negative yval
+ // dunno if that's worth not guranteeing that 0 is on the top...
+ // TODO bulk inserts, iterators
+ qreal h = 0;
+ qreal y = 0;
+ if(_width && start > 0) y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(model()->index(i, 0));
+ _lines.insert(i, line);
+ addItem(line);
+ if(_width > 0) {
+ line->setPos(0, y+h);
+ h += line->setGeometry(_width, firstColHandlePos, secondColHandlePos);
+ }
+ }
+ if(h > 0) {
+ _height += h;
+ for(int i = end+1; i < _lines.count(); i++) {
+ _lines.value(i)->moveBy(0, h);
+ }
+ setSceneRect(QRectF(0, 0, _width, _height));
+ emit heightChanged(_height);
+ }
+}
+
+void ChatScene::setWidth(qreal w) {
+ _width = w;
+ _height = 0;
+ foreach(ChatLine *line, _lines) {
+ line->setPos(0, _height);
+ _height += line->setGeometry(_width, firstColHandlePos, secondColHandlePos);
+ }
+ setSceneRect(QRectF(0, 0, w, _height));
+ secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth);
+ emit heightChanged(_height);
+}
+
+void ChatScene::rectChanged(const QRectF &rect) {
+ firstColHandle->sceneRectChanged(rect);
+ secondColHandle->sceneRectChanged(rect);
+}
-void ChatScene::mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent ) {
- /*
- qDebug() << "recv" << mouseEvent->scenePos();
- ChatLine *line = static_cast<ChatLine*>(itemAt(mouseEvent->scenePos()));
- ChatItem *item = static_cast<ChatItem*>(itemAt(mouseEvent->scenePos()));
- qDebug() << (void*)line << (void*)item;
- if(line) {
- line->myMousePressEvent(mouseEvent);
- } else QGraphicsScene::mousePressEvent(mouseEvent);
- */
+void ChatScene::handlePositionChanged(qreal xpos) {
+ bool first = (sender() == firstColHandle);
+ qreal oldx;
+ if(first) {
+ oldx = firstColHandlePos;
+ firstColHandlePos = xpos;
+ } else {
+ oldx = secondColHandlePos;
+ secondColHandlePos = xpos;
+ }
+ setWidth(width()); // readjust all chatlines
+ // we get ugly redraw errors if we don't update this explicitly... :(
+ // width() should be the same for both handles, so just use firstColHandle regardless
+ update(qMin(oldx, xpos) - firstColHandle->width()/2, 0, qMax(oldx, xpos) + firstColHandle->width()/2, height());
}