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);
firstColHandle->sceneRectChanged(rect);
secondColHandle->sceneRectChanged(rect);
}
+
+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());
+}
class ColumnHandleItem : public QObject, public QGraphicsItem {
Q_OBJECT
-public:
- ColumnHandleItem(qreal width, QGraphicsItem *parent = 0);
-
- inline qreal width() const { return _width; }
- inline QRectF boundingRect() const { return QRectF(0, 0, _width, scene()->height()); }
- void setXPos(qreal xpos);
-
- void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
-
- void sceneRectChanged(const QRectF &);
- void setXLimits(qreal min, qreal max);
-
-protected:
- void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
- void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
- void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
- void mousePressEvent(QGraphicsSceneMouseEvent *event);
- void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
-
-private slots:
- void hoverChanged(qreal value);
-
-private:
- qreal _width;
- qreal _hover;
- bool _moving;
- qreal _minXPos, _maxXPos;
- QTimeLine _timeLine;
+ public:
+ ColumnHandleItem(qreal width, QGraphicsItem *parent = 0);
+
+ inline qreal width() const { return _width; }
+ inline QRectF boundingRect() const { return QRectF(0, 0, _width, scene()->height()); }
+ void setXPos(qreal xpos);
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+
+ void sceneRectChanged(const QRectF &);
+ void setXLimits(qreal min, qreal max);
+
+ protected:
+ void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+ void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+
+ signals:
+ void positionChanged(qreal x);
+
+ private slots:
+ void hoverChanged(qreal value);
+
+ private:
+ qreal _width;
+ qreal _hover;
+ bool _moving;
+ qreal _minXPos, _maxXPos;
+ QTimeLine _timeLine;
};
#endif