#include <memory>
+
+namespace lyx {
+
+class InsetBase;
class MetricsInfo;
class PainterInfo;
public:
virtual ~RenderBase() {}
- virtual std::auto_ptr<RenderBase> clone() const = 0;
+ virtual std::auto_ptr<RenderBase> clone(InsetBase const *) const = 0;
- /// compute the size of the object returned in dim
- virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
+ /// compute the size of the object returned in dim.
+ /// \retval true if the metrics has changed.
+ virtual bool metrics(MetricsInfo & mi, Dimension & dim) const = 0;
/// draw inset and update (xo, yo)-cache
virtual void draw(PainterInfo & pi, int x, int y) const = 0;
+ /// render state, exact meaning of state is render-specific
+ void setRenderState(int state) { state_ = state; }
+ /// get render state
+ int renderState() const { return state_; }
/// equivalent to dynamic_cast
virtual RenderButton * asButton() { return 0; }
protected:
RenderBase() {}
RenderBase(RenderBase const &) {}
- void operator=(RenderBase const &) {}
+ RenderBase & operator=(RenderBase const &) { return *this; }
+ /// render state. currently, render_button uses this to store mouse_hover_
+ int state_;
/// Cached
mutable Dimension dim_;
};
+
+} // namespace lyx
+
#endif // NOT RENDER_BASE_H