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#ifndef _PAINTCB_H
#define _PAINTCB_H
#include <bfc/depview.h>
#include <bfc/dispatch.h>
#include <api/wnd/api_window.h>
class Canvas;
class api_region;
class PaintCallbackInfo : public Dispatchable {
public:
Canvas *getCanvas();
api_region *getRegion();
enum {
PAINTCBINFO_GETCANVAS = 10,
PAINTCBINFO_GETREGION = 20,
};
};
inline Canvas *PaintCallbackInfo::getCanvas() {
return _call(PAINTCBINFO_GETCANVAS, (Canvas *)NULL);
}
inline api_region *PaintCallbackInfo::getRegion() {
return _call(PAINTCBINFO_GETREGION, (api_region *)NULL);
}
class PaintCallbackInfoI : public PaintCallbackInfo {
public:
PaintCallbackInfoI(Canvas *_canvas, api_region *_region) : canvas(_canvas), region(_region) {}
virtual ~PaintCallbackInfoI() {}
virtual Canvas *getCanvas() { return canvas; }
virtual api_region *getRegion() { return region; }
private:
Canvas *canvas;
api_region *region;
protected:
RECVS_DISPATCH;
};
class PaintCallback : DependentViewerTPtr<ifc_window> {
public:
PaintCallback() { wnd = NULL; };
PaintCallback(ifc_window *w);
virtual ~PaintCallback();
virtual void monitorWindow(ifc_window *w);
virtual int viewer_onEvent(ifc_window *item, int event, intptr_t param, void *ptr, size_t ptrlen);
virtual int viewer_onItemDeleted(ifc_window *item);
// override those
virtual void onBeforePaint(PaintCallbackInfo *info) { }
virtual void onAfterPaint(PaintCallbackInfo *info) { }
virtual void onWindowDeleted(ifc_window *w)=0; // warning, pointer invalid
virtual void onInvalidation(PaintCallbackInfo *info) { }
enum {
BEFOREPAINT = 10,
AFTERPAINT = 20,
};
private:
ifc_window *wnd;
};
#endif
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