VuoRendererComment.hh

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#pragma once
 
#include "VuoBaseDetail.hh"
#include "VuoHeap.h"
#include "VuoRendererColors.hh"
#include "VuoRendererItem.hh"
 
class VuoRendererSignaler;
class VuoComment;
 
class VuoRendererComment : public VuoRendererItem, public VuoBaseDetail<VuoComment>
{
public:
    VuoRendererComment(VuoComment *baseComment, VuoRendererSignaler *signaler);
 
    QRectF boundingRect(void) const;
    QPainterPath shape(void) const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 
    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
    void updateGeometry(void);
    void updateColor(void);
 
    void setContent(string content);
    void setBodySelectable(bool bodySelectable);
 
protected:
    bool sceneEventFilter(QGraphicsItem *watched, QEvent *event) VuoWarnUnusedResult;
    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
    void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
 
    VuoRendererSignaler *signaler; 
 
private:
    // Drawing configuration
    static const qreal cornerRadius;
    static const qreal borderWidth;
    static const qreal textMargin;
 
    QRectF frameRect;
    QPainterPath commentFrame;
    QGraphicsTextItem *textItem;
 
    bool resizeDragInProgress;
    QPointF resizeDeltaIgnored;
    bool dragHandleHovered;
    bool titleHandleHovered;
    bool bodySelectable;
 
    // Internal methods
    void updateFrameRect(void);
    QPainterPath getCommentFrame(QRectF frameRect) const;
    QPainterPath getTitleHandlePath(QRectF frameRect) const;
    QPainterPath getDragHandlePath(QRectF frameRect) const;
    QRectF extendedTitleHandleBoundingRect(void) const;
    QRectF extendedDragHandleBoundingRect(void) const;
 
    bool titleHandleActiveForEventPos(QPointF pos);
    bool titleHandleHoveredForEventPos(QPointF pos);
    bool dragHandleHoveredForEventPos(QPointF pos);
 
    void updateFormattedCommentText();
    QString generateTextStyleString();
 
    void drawCommentFrame(QPainter *painter, VuoRendererColors *colors) const;
    void drawTextContent(QPainter *painter) const;
    void drawTitleHandle(QPainter *painter, VuoRendererColors *colors) const;
    void drawDragHandle(QPainter *painter, VuoRendererColors *colors) const;
};