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