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-/*
- File: TView.h
-
- Version: 1.0
-
- Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
- 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 Computer, 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 © 2002 Apple Computer, Inc., All Rights Reserved
-*/
-
-#ifndef TView_H_
-#define TView_H_
-
-#include <Carbon/Carbon.h>
-
-#include "TCarbonEvent.h"
-#include "TRect.h"
-
-#define PURE_VIRTUAL 0
-
-class TView
-{
-public:
- // Bounds and Frame
- OSStatus SetFrame(
- const HIRect& inBounds );
- HIRect Frame();
- HIRect Bounds();
-
- // Visibility
- OSStatus Show();
- OSStatus Hide();
-
- EventTargetRef GetEventTarget();
-
- OSStatus AddSubView(
- TView* inSubView );
- OSStatus RemoveFromSuperView();
-
- // Accessors
- HIViewRef GetViewRef() const
- { return fViewRef; }
- void Hilite(
- ControlPartCode inPart );
- ControlPartCode GetHilite();
- WindowRef GetOwner();
- SInt32 GetValue();
- void SetValue(
- SInt32 inValue );
- SInt32 GetMinimum();
- void SetMinimum(
- SInt32 inMinimum );
- SInt32 GetMaximum();
- void SetMaximum(
- SInt32 inMaximum );
-
- // State
- Boolean IsVisible();
- Boolean IsEnabled();
- Boolean IsActive();
-
- OSStatus Invalidate(); // was SetNeedsDisplay()
-
- // A "fake" event handler
- virtual void TimerFired( EventLoopTimerRef inTimer );
-
-protected:
- // Autoinvalidation
- enum {
- kAutoInvalidateOnActivate = (1 << 0),
- kAutoInvalidateOnHilite = (1 << 1),
- kAutoInvalidateOnEnable = (1 << 2),
- kAutoInvalidateOnValueChange = (1 << 3),
- kAutoInvalidateOnTitleChange = (1 << 4)
- };
- void ChangeAutoInvalidateFlags(
- OptionBits inSetFlags,
- OptionBits inClearFlags );
- OptionBits GetAutoInvalidateFlags()
- { return fAutoInvalidateFlags; }
-
- // Types
- typedef OSStatus (*ConstructProc)(
- ControlRef inBaseControl,
- TView** outView );
-
- // Construction/Destruction
- TView( HIViewRef inControl );
- virtual ~TView();
-
- virtual ControlKind GetKind() = PURE_VIRTUAL;
- virtual UInt32 GetBehaviors();
-
- // Handlers
- virtual OSStatus ActiveStateChanged();
- virtual OSStatus BoundsChanged(
- UInt32 inOptions,
- const HIRect& inOriginalBounds,
- const HIRect& inCurrentBounds,
- RgnHandle inInvalRgn );
- virtual OSStatus ControlHit(
- ControlPartCode inPart,
- UInt32 inModifiers );
- virtual OSStatus EnabledStateChanged();
- virtual void Draw(
- RgnHandle inLimitRgn,
- CGContextRef inContext );
- virtual OSStatus GetData(
- OSType inTag,
- ControlPartCode inPart,
- Size inSize,
- Size* outSize,
- void* inPtr );
- virtual OSStatus GetRegion(
- ControlPartCode inPart,
- RgnHandle outRgn );
- virtual OSStatus HiliteChanged(
- ControlPartCode inOriginalPart,
- ControlPartCode inCurrentPart,
- RgnHandle inInvalRgn );
- virtual ControlPartCode HitTest(
- const HIPoint& inWhere );
- virtual OSStatus Initialize(
- TCarbonEvent& inEvent );
- virtual OSStatus SetData(
- OSType inTag,
- ControlPartCode inPart,
- Size inSize,
- const void* inPtr );
- virtual OSStatus SetFocusPart(
- ControlPartCode inDesiredFocus,
- RgnHandle inNnvalidRgn,
- Boolean inFocusEverything,
- ControlPartCode* outActualFocus );
- virtual OSStatus TextInput(
- TCarbonEvent& inEvent );
- virtual OSStatus TitleChanged();
- virtual OSStatus Track(
- TCarbonEvent& inEvent,
- ControlPartCode* outPartHit );
- virtual OSStatus ValueChanged();
-
- // Sizing
- virtual OSStatus GetSizeConstraints(
- HISize* outMin,
- HISize* outMax );
- virtual OSStatus GetOptimalSize(
- HISize* outSize,
- float* outBaseLine );
-
- // Accessors
- WindowRef GetWindowRef()
- { return GetControlOwner( GetViewRef() ); }
-
-
- // Drag and drop
- virtual bool DragEnter(
- DragRef inDrag );
- virtual bool DragWithin(
- DragRef inDrag );
- virtual bool DragLeave(
- DragRef inDrag );
- virtual OSStatus DragReceive(
- DragRef inDrag );
-
- // Command processing
- virtual OSStatus ProcessCommand(
- const HICommand& inCommand );
- virtual OSStatus UpdateCommandStatus(
- const HICommand& inCommand );
-
- // Mouse events
- virtual OSStatus MouseDown(
- HIPoint& inMouseLocation,
- UInt32 inKeyModifiers,
- EventMouseButton inMouseButton,
- UInt32 inClickCount,
- TCarbonEvent& inEvent);
- virtual OSStatus MouseUp(
- HIPoint& inMouseLocation,
- UInt32 inKeyModifiers,
- EventMouseButton inMouseButton,
- UInt32 inClickCount );
- virtual OSStatus MouseDragged(
- HIPoint& inMouseLocation,
- UInt32 inKeyModifiers,
- EventMouseButton inMouseButton,
- UInt32 inClickCount );
- virtual OSStatus MouseEntered(
- HIPoint& inMouseLocation,
- UInt32 inKeyModifiers,
- EventMouseButton inMouseButton,
- UInt32 inClickCount );
- virtual OSStatus MouseExited(
- HIPoint& inMouseLocation,
- UInt32 inKeyModifiers,
- EventMouseButton inMouseButton,
- UInt32 inClickCount );
- virtual OSStatus MouseWheelMoved( EventMouseWheelAxis inAxis, SInt32 inDelta, UInt32 inKeyModifiers );
- virtual OSStatus ContextualMenuClick( HIPoint& inMouseLocation );
-
- // Utility
- static OSStatus RegisterSubclass(
- CFStringRef inID,
- ConstructProc inProc );
- static EventRef CreateInitializationEvent();
- enum Interface {
- kDragAndDrop = 1,
- kKeyboardFocus,
- kMouse,
- kMouseTracking
- };
- virtual OSStatus ActivateInterface(
- Interface inInterface );
-
- OSStatus InstallTimer(
- EventTimerInterval inFireDelay,
- EventLoopTimerRef* outTimer );
-
- // Debugging
- virtual void PrintDebugInfo();
- Boolean debugPrint;
-private:
- static pascal OSStatus ObjectEventHandler(
- EventHandlerCallRef inCallRef,
- EventRef inEvent,
- void* inUserData );
- static pascal OSStatus ViewEventHandler(
- EventHandlerCallRef inCallRef,
- EventRef inEvent,
- void* inUserData );
- static pascal OSStatus WindowEventHandler(
- EventHandlerCallRef inCallRef,
- EventRef inEvent,
- void* inUserData );
- static pascal void TimerEventHandler(
- EventLoopTimerRef inTimer,
- void* inUserData );
- OSStatus HandleEvent(
- EventHandlerCallRef inCallRef,
- TCarbonEvent& inEvent );
-
- HIViewRef fViewRef;
- EventHandlerRef fHandler;
-
- EventHandlerRef mouseEventHandler;
- OptionBits fAutoInvalidateFlags;
-
-};
-
-typedef TView* TViewPtr;
-
-#endif // TView_H_
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