53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
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#include "precomp.h"
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#include "paintcb.h"
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#include "api_window.h"
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#define CBCLASS PaintCallbackInfoI
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START_DISPATCH;
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CB(PAINTCBINFO_GETCANVAS, getCanvas);
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CB(PAINTCBINFO_GETREGION, getRegion);
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END_DISPATCH;
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PaintCallback::PaintCallback(ifc_window *w) {
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monitorWindow(w);
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}
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PaintCallback::~PaintCallback() {
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if (wnd != NULL) viewer_delViewItem(wnd);
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}
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void PaintCallback::monitorWindow(ifc_window *w) {
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if (wnd != NULL) {
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viewer_delViewItem(wnd);
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wnd = NULL;
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}
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if (w != NULL) {
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viewer_addViewItem(w);
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wnd = w;
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}
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}
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int PaintCallback::viewer_onItemDeleted(ifc_window *item) {
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ASSERT(item == wnd);//jic
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onWindowDeleted(wnd);
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wnd = NULL;
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return 1;
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}
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int PaintCallback::viewer_onEvent(ifc_window *item, int event, intptr_t param, void *ptr, size_t ptrlen) {
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PaintCallbackInfo *info = reinterpret_cast<PaintCallbackInfo *>(ptr);
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switch (event) {
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case ifc_window::Event_ONPAINT:
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if (param == BEFOREPAINT)
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onBeforePaint(info);
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else
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onAfterPaint(info);
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break;
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case ifc_window::Event_ONINVALIDATE:
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onInvalidation(info);
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break;
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}
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return 1;
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}
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