juicysfplugin/modules/juce_audio_plugin_client/utility/juce_CarbonVisibility.h

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
#if JUCE_SUPPORT_CARBON && JUCE_MAC_WINDOW_VISIBITY_BODGE
/* When you wrap a WindowRef as an NSWindow, it seems to bugger up the HideWindow
function, so when the host tries (and fails) to hide the window, this stuff catches
the event and forces it to update.
*/
static pascal OSStatus windowVisibilityBodge (EventHandlerCallRef, EventRef e, void* user)
{
NSWindow* hostWindow = (NSWindow*) user;
switch (GetEventKind (e))
{
case kEventWindowInit: [hostWindow display]; break;
case kEventWindowShown: [hostWindow orderFront: nil]; break;
case kEventWindowHidden: [hostWindow orderOut: nil]; break;
}
return eventNotHandledErr;
}
inline void attachWindowHidingHooks (Component* comp, void* hostWindowRef, NSWindow* nsWindow)
{
const EventTypeSpec eventsToCatch[] =
{
{ kEventClassWindow, kEventWindowInit },
{ kEventClassWindow, kEventWindowShown },
{ kEventClassWindow, kEventWindowHidden }
};
EventHandlerRef ref;
InstallWindowEventHandler ((WindowRef) hostWindowRef,
NewEventHandlerUPP (windowVisibilityBodge),
GetEventTypeCount (eventsToCatch), eventsToCatch,
(void*) nsWindow, &ref);
comp->getProperties().set ("carbonEventRef", String::toHexString ((pointer_sized_int) (void*) ref));
}
inline void removeWindowHidingHooks (Component* comp)
{
if (comp != nullptr)
RemoveEventHandler ((EventHandlerRef) (void*) (pointer_sized_int)
comp->getProperties() ["carbonEventRef"].toString().getHexValue64());
}
#elif JUCE_MAC
inline void attachWindowHidingHooks (void*, void*, void*) {}
inline void removeWindowHidingHooks (void*) {}
#endif
} // namespace juce