287 lines
9.2 KiB
C
287 lines
9.2 KiB
C
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/*
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File: TView.h
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Version: 1.0
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
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("Apple") in consideration of your agreement to the following terms, and your
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use, installation, modification or redistribution of this Apple software
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constitutes acceptance of these terms. If you do not agree with these terms,
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please do not use, install, modify or redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and subject
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to these terms, Apple grants you a personal, non-exclusive license, under Apple<EFBFBD>s
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copyrights in this original Apple software (the "Apple Software"), to use,
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reproduce, modify and redistribute the Apple Software, with or without
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modifications, in source and/or binary forms; provided that if you redistribute
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the Apple Software in its entirety and without modifications, you must retain
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this notice and the following text and disclaimers in all such redistributions of
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the Apple Software. Neither the name, trademarks, service marks or logos of
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Apple Computer, Inc. may be used to endorse or promote products derived from the
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Apple Software without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or implied,
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are granted by Apple herein, including but not limited to any patent rights that
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may be infringed by your derivative works or by other works in which the Apple
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Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
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OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Copyright <EFBFBD> 2002 Apple Computer, Inc., All Rights Reserved
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*/
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#ifndef TView_H_
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#define TView_H_
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#include <Carbon/Carbon.h>
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#include "TCarbonEvent.h"
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#include "TRect.h"
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#define PURE_VIRTUAL 0
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class TView
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{
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public:
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// Bounds and Frame
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OSStatus SetFrame(
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const HIRect& inBounds );
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HIRect Frame();
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HIRect Bounds();
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// Visibility
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OSStatus Show();
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OSStatus Hide();
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EventTargetRef GetEventTarget();
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OSStatus AddSubView(
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TView* inSubView );
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OSStatus RemoveFromSuperView();
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// Accessors
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HIViewRef GetViewRef() const
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{ return fViewRef; }
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void Hilite(
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ControlPartCode inPart );
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ControlPartCode GetHilite();
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WindowRef GetOwner();
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SInt32 GetValue();
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void SetValue(
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SInt32 inValue );
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SInt32 GetMinimum();
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void SetMinimum(
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SInt32 inMinimum );
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SInt32 GetMaximum();
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void SetMaximum(
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SInt32 inMaximum );
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// State
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Boolean IsVisible();
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Boolean IsEnabled();
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Boolean IsActive();
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OSStatus Invalidate(); // was SetNeedsDisplay()
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// A "fake" event handler
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virtual void TimerFired( EventLoopTimerRef inTimer );
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protected:
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// Autoinvalidation
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enum {
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kAutoInvalidateOnActivate = (1 << 0),
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kAutoInvalidateOnHilite = (1 << 1),
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kAutoInvalidateOnEnable = (1 << 2),
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kAutoInvalidateOnValueChange = (1 << 3),
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kAutoInvalidateOnTitleChange = (1 << 4)
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};
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void ChangeAutoInvalidateFlags(
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OptionBits inSetFlags,
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OptionBits inClearFlags );
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OptionBits GetAutoInvalidateFlags()
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{ return fAutoInvalidateFlags; }
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// Types
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typedef OSStatus (*ConstructProc)(
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ControlRef inBaseControl,
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TView** outView );
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// Construction/Destruction
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TView( HIViewRef inControl );
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virtual ~TView();
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virtual ControlKind GetKind() = PURE_VIRTUAL;
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virtual UInt32 GetBehaviors();
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// Handlers
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virtual OSStatus ActiveStateChanged();
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virtual OSStatus BoundsChanged(
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UInt32 inOptions,
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const HIRect& inOriginalBounds,
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const HIRect& inCurrentBounds,
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RgnHandle inInvalRgn );
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virtual OSStatus ControlHit(
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ControlPartCode inPart,
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UInt32 inModifiers );
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virtual OSStatus EnabledStateChanged();
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virtual void Draw(
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RgnHandle inLimitRgn,
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CGContextRef inContext );
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virtual OSStatus GetData(
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OSType inTag,
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ControlPartCode inPart,
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Size inSize,
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Size* outSize,
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void* inPtr );
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virtual OSStatus GetRegion(
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ControlPartCode inPart,
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RgnHandle outRgn );
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virtual OSStatus HiliteChanged(
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ControlPartCode inOriginalPart,
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ControlPartCode inCurrentPart,
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RgnHandle inInvalRgn );
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virtual ControlPartCode HitTest(
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const HIPoint& inWhere );
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virtual OSStatus Initialize(
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TCarbonEvent& inEvent );
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virtual OSStatus SetData(
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OSType inTag,
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ControlPartCode inPart,
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Size inSize,
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const void* inPtr );
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virtual OSStatus SetFocusPart(
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ControlPartCode inDesiredFocus,
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RgnHandle inNnvalidRgn,
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Boolean inFocusEverything,
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ControlPartCode* outActualFocus );
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virtual OSStatus TextInput(
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TCarbonEvent& inEvent );
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virtual OSStatus TitleChanged();
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virtual OSStatus Track(
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TCarbonEvent& inEvent,
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ControlPartCode* outPartHit );
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virtual OSStatus ValueChanged();
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// Sizing
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virtual OSStatus GetSizeConstraints(
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HISize* outMin,
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HISize* outMax );
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virtual OSStatus GetOptimalSize(
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HISize* outSize,
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float* outBaseLine );
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// Accessors
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WindowRef GetWindowRef()
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{ return GetControlOwner( GetViewRef() ); }
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// Drag and drop
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virtual bool DragEnter(
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DragRef inDrag );
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virtual bool DragWithin(
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DragRef inDrag );
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virtual bool DragLeave(
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DragRef inDrag );
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virtual OSStatus DragReceive(
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DragRef inDrag );
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// Command processing
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virtual OSStatus ProcessCommand(
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const HICommand& inCommand );
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virtual OSStatus UpdateCommandStatus(
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const HICommand& inCommand );
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// Mouse events
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virtual OSStatus MouseDown(
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HIPoint& inMouseLocation,
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UInt32 inKeyModifiers,
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EventMouseButton inMouseButton,
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UInt32 inClickCount,
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TCarbonEvent& inEvent);
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virtual OSStatus MouseUp(
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HIPoint& inMouseLocation,
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UInt32 inKeyModifiers,
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EventMouseButton inMouseButton,
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UInt32 inClickCount );
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virtual OSStatus MouseDragged(
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HIPoint& inMouseLocation,
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UInt32 inKeyModifiers,
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EventMouseButton inMouseButton,
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UInt32 inClickCount );
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virtual OSStatus MouseEntered(
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HIPoint& inMouseLocation,
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UInt32 inKeyModifiers,
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EventMouseButton inMouseButton,
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UInt32 inClickCount );
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virtual OSStatus MouseExited(
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HIPoint& inMouseLocation,
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UInt32 inKeyModifiers,
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EventMouseButton inMouseButton,
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UInt32 inClickCount );
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virtual OSStatus MouseWheelMoved( EventMouseWheelAxis inAxis, SInt32 inDelta, UInt32 inKeyModifiers );
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virtual OSStatus ContextualMenuClick( HIPoint& inMouseLocation );
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// Utility
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static OSStatus RegisterSubclass(
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CFStringRef inID,
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ConstructProc inProc );
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static EventRef CreateInitializationEvent();
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enum Interface {
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kDragAndDrop = 1,
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kKeyboardFocus,
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kMouse,
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kMouseTracking
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};
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virtual OSStatus ActivateInterface(
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Interface inInterface );
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OSStatus InstallTimer(
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EventTimerInterval inFireDelay,
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EventLoopTimerRef* outTimer );
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// Debugging
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virtual void PrintDebugInfo();
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Boolean debugPrint;
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private:
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static pascal OSStatus ObjectEventHandler(
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EventHandlerCallRef inCallRef,
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EventRef inEvent,
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void* inUserData );
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static pascal OSStatus ViewEventHandler(
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EventHandlerCallRef inCallRef,
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EventRef inEvent,
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void* inUserData );
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static pascal OSStatus WindowEventHandler(
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EventHandlerCallRef inCallRef,
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EventRef inEvent,
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void* inUserData );
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static pascal void TimerEventHandler(
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EventLoopTimerRef inTimer,
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void* inUserData );
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OSStatus HandleEvent(
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EventHandlerCallRef inCallRef,
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TCarbonEvent& inEvent );
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HIViewRef fViewRef;
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EventHandlerRef fHandler;
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EventHandlerRef mouseEventHandler;
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OptionBits fAutoInvalidateFlags;
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};
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typedef TView* TViewPtr;
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#endif // TView_H_
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