bool QuartzWindow::pre_draw(bool incremental) {
if ( get_graphics_semaphore()) return false;
if (!_is_open) return false;
if (_was_closed) {
TheSpy->deactivate();
_was_closed = false;
return false;
}
if ( myContext == NULL ) {
// Self does this for Self windows, so only do it for Spy windows--that's why it's here and not in open
SetPortWindowPort(my_window());
QDBeginCGContext( GetWindowPort(my_window()), &myContext);
setupCTM();
CGContextSetTextMatrix(myContext, CGAffineTransformMake( 1, 0, 0, -1, 0, 0));
CGContextSelectFont(myContext,
default_fixed_font_name(), default_fixed_font_size(), kCGEncodingMacRoman);
CGContextSetShouldAntialias(myContext, false);
EventTypeSpec es[] = {
{kEventClassWindow, kEventWindowBoundsChanged},
{kEventClassWindow, kEventWindowClose}
};
OSStatus e = AddEventTypesToHandler(_my_spy_event_handler, sizeof(es) / sizeof(es[0]), es);
if (e != noErr) fatal1("could not add types to handler %d\n", e);
}
if (_bounds_changed) {
_bounds_changed = false;
adjust_after_resize();
}
if (!incremental) {
Rect r; get_window_region_rect( kWindowContentRgn, &r);
clear_rectangle(0, 0, r.right - r.left, r.bottom - r.top);
}
return true;
}
OSStatus QuartzWindow::AddHandledEvent_wrap( uint32* eclass, uint ec_len, uint ekind, void* FH) {
if (ec_len != 1) { failure( FH, "class needs to have four bytes"); return NULL; }
EventTypeSpec es;
es.eventClass = EndianU32_BtoN(*eclass);
es.eventKind = ekind;
return AddEventTypesToHandler(_my_event_handler, 1, &es);
}
void CarbonEventHandler::WantEventTypes(EventTargetRef target, UInt32 inNumTypes, const EventTypeSpec *inList)
{
if (mHandlers == NULL)
mHandlers = CFDictionaryCreateMutable(NULL, 0, NULL, NULL);
EventHandlerRef handler;
if (CFDictionaryGetValueIfPresent (mHandlers, target, (const void **)&handler)) // if there is already a handler for the target, add the type
verify_noerr(AddEventTypesToHandler(handler, inNumTypes, inList));
else {
verify_noerr(InstallEventHandler(target, TheEventHandler, inNumTypes, inList, this, &handler));
CFDictionaryAddValue(mHandlers, target, handler);
}
}
