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Diffstat (limited to 'libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.h')
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diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.h b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.h new file mode 100644 index 0000000000..3d5f975614 --- /dev/null +++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.h @@ -0,0 +1,230 @@ +/* + File: AUCarbonViewControl.h + Abstract: Part of CoreAudio Utility Classes + Version: 1.1 + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple + Inc. ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or redistribution of + this Apple software constitutes acceptance of these terms. If you do + not agree with these terms, please do not use, install, modify or + redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and + subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software (the + "Apple Software"), to use, reproduce, modify and redistribute the Apple + Software, with or without modifications, in source and/or binary forms; + provided that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the following + text and disclaimers in all such redistributions of the Apple Software. + Neither the name, trademarks, service marks or logos of Apple Inc. may + be used to endorse or promote products derived from the Apple Software + without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, express or + implied, are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or by other + works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + Copyright (C) 2014 Apple Inc. All Rights Reserved. + +*/ +#ifndef __AUCarbonViewControl_h__ +#define __AUCarbonViewControl_h__ + +#include <Carbon/Carbon.h> +#include <AudioUnit/AudioUnitCarbonView.h> +#include <AudioToolbox/AudioUnitUtilities.h> +#include "CarbonEventHandler.h" +#include "CAAUParameter.h" + +class AUCarbonViewBase; + +// ____________________________________________________________________________ +// AUCarbonViewControl +// Wrapper for a control that is wired to an AudioUnit parameter. + /*! @class AUCarbonViewControl */ +class AUCarbonViewControl : public CarbonEventHandler { + // note that the controls are never disposed; that's managed by the AUCarbonViewBase's + // parent pane which contains all of them ... if we later need to be able to delete + // individual controls on the fly, extra work needed +public: + enum ControlType { + kTypeContinuous, // e.g. slider + kTypeDiscrete, // e.g. pop-up menu + kTypeText + }; + + AUCarbonViewControl(AUCarbonViewBase *ownerView, AUParameterListenerRef listener, ControlType type, const CAAUParameter ¶m, ControlRef control); + ~AUCarbonViewControl(); + + /*! @method Bind */ + virtual void Bind(); // second-stage construction + + /*! @method ControlToParameter */ + virtual void ControlToParameter(); + /*! @method ParameterToControl */ + virtual void ParameterToControl(Float32 newValue); + + /*! @method SetValueFract */ + virtual void SetValueFract(double value); + /*! @method GetValueFract */ + virtual double GetValueFract(); + /*! @method SetTextValue */ + virtual void SetTextValue(CFStringRef str); + /*! @method GetTextValue */ + virtual CFStringRef GetTextValue(); + /*! @method SetValue */ + virtual void SetValue(long value); + /*! @method GetValue */ + virtual long GetValue(); + + /*! @method GetOwnerView */ + AUCarbonViewBase * GetOwnerView() {return mOwnerView;} + + /*! @method Update */ + void Update (bool inUIThread) + { + if (inUIThread) + ParameterToControl (mParam.GetValue()); + else + AUParameterListenerNotify (mListener, this, &mParam); + } + + + // CarbonEventHandler overrides + /*! @method HandleEvent */ + virtual bool HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event); + + /*! @method ControlRef */ + operator ControlRef() { return mControl; } + + /*! @method SizeControlToFit */ + static Boolean SizeControlToFit(ControlRef inControl, SInt16 *outWidth = NULL, SInt16 *outHeight = NULL); + + /*! @method SliderTrackProc */ + static pascal void SliderTrackProc(ControlRef theControl, ControlPartCode partCode); + /*! @method NumericKeyFilterCallback */ + static pascal ControlKeyFilterResult NumericKeyFilterCallback(ControlRef theControl, SInt16 *keyCode, SInt16 *charCode, + EventModifiers *modifiers); +protected: + /*! @method ParamInfo */ + const AudioUnitParameterInfo &ParamInfo() { return mParam.ParamInfo(); } + + /*! @var mOwnerView */ + AUCarbonViewBase * mOwnerView; + /*! @var mListener */ + AUParameterListenerRef mListener; + /*! @var mType */ + ControlType mType; + /*! @var mParam */ + CAAUParameter mParam; + + /*! @var mControl */ + ControlRef mControl; + + /*! @method StdKeyFilterCallback */ + static pascal ControlKeyFilterResult StdKeyFilterCallback(ControlRef theControl, SInt16 *keyCode, SInt16 *charCode, + EventModifiers *modifiers); + SInt16 mInControlInitialization; + + static AUCarbonViewControl* mLastControl; +}; + + /*! @class AUPropertyControl */ +class AUPropertyControl : public CarbonEventHandler { +public: + /*! @ctor AUPropertyControl */ + AUPropertyControl (AUCarbonViewBase * inBase) : mControl(0), mView (inBase), mHeight(0) {} + + /*! @method HandleEvent */ + virtual bool HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event); + + /*! @method HandlePropertyChange */ + virtual bool HandlePropertyChange (const AudioUnitProperty &inProp) = 0; + + /*! @method AddInterest */ + virtual void AddInterest (AUEventListenerRef inListener, + void * inObject) = 0; + + /*! @method RemoveInterest */ + virtual void RemoveInterest (AUEventListenerRef inListener, + void * inObject) = 0; + + /*! @method GetHeight */ + int GetHeight() { return mHeight;} + +protected: + /*! @method HandleControlChange */ + virtual void HandleControlChange () = 0; + + /*! @method RegisterEvents */ + void RegisterEvents (); + + /*! @method EmbedControl */ + void EmbedControl (ControlRef theControl); + + /*! @method GetCarbonWindow */ + WindowRef GetCarbonWindow(); + + /*! @var mControl */ + ControlRef mControl; + /*! @var mView */ + AUCarbonViewBase* mView; + /*! @var mHeight */ + SInt16 mHeight; +}; + + /*! @class AUVPresets */ +class AUVPresets : public AUPropertyControl { +public: + /*! @ctor HandleControlChange */ + AUVPresets (AUCarbonViewBase * inBase, + CFArrayRef& inPresets, + Point inLocation, + int nameWidth, + int controlWidth, + ControlFontStyleRec & inFontStyle); + + virtual ~AUVPresets () { CFRelease (mPresets); } + + /*! @method HandlePropertyChange */ + virtual bool HandlePropertyChange (const AudioUnitProperty &inProp); + + /*! @method AddInterest */ + virtual void AddInterest (AUEventListenerRef inListener, + void * inObject); + + /*! @method RemoveInterest */ + virtual void RemoveInterest (AUEventListenerRef inListener, + void * inObject); + +protected: + /*! @method HandleControlChange */ + virtual void HandleControlChange (); + + /*! @var mPresets */ + CFArrayRef mPresets; + /*! @var mView */ + AUCarbonViewBase* mView; + AudioUnitPropertyID mPropertyID; + + void HandlePropertyChange(AUPreset &preset); +}; + +#endif // __AUCarbonViewControl_h__ |