/*

    File: InkTextPane.h

    Contains: Declaration of InkTextPane class which manages content in a single tab control

    content area, and registration function for HIView callback.

    Version: InkSample 1.1

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        please do not use, install, modify or redistribute this Apple software.

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        copyrights in this original Apple software (the "Apple Software"), to use,

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        this notice and the following text and disclaimers in all such redistributions of

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        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

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        ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

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    Copyright (c) 2003 Apple Computer, Inc. All rights reserved.

*/

#ifndef InkSample_INKTEXTPANE

#define InkSample_INKTEXTPANE

#include <Carbon/Carbon.h>

// -----------------------------------------------------------------------------

// Control Types

// -----------------------------------------------------------------------------

extern CFStringRef gInkTextPaneClassID;

// -----------------------------------------------------------------------------

// Registration

// -----------------------------------------------------------------------------

OSStatus InkTextPaneRegister( void );

class InkTextPane

{

public:

    InkTextPane( HIViewRef parentInstance );

    virtual ~InkTextPane( void );

    virtual OSStatus Initialize( EventRef inEvent );

    virtual OSStatus ControlInitialize( EventRef inEvent );

    virtual OSStatus Draw( EventRef inEvent );

    virtual OSStatus Activate( EventRef inEvent );

    virtual OSStatus Deactivate( EventRef inEvent );

    Boolean IsParentVisible() { return ::IsControlVisible( fParentInstance ) ; }

    Boolean IsMyWindowActive() { return ( fHIViewWindow != NULL ) && IsWindowActive( fHIViewWindow ); };

    WindowRef GetWindow() { return fHIViewWindow; };

    // init static class globals

    static void StaticInit();

    // The InkTextPane uses a text view to display results of ink

    // input and gestures.  The text view interface is abstracted

    // by using only this API to interact with the text view.

    OSStatus TextViewCreate( WindowRef window, Rect& bounds );

    void TextViewSetVisibility( Boolean vis );

    void TextViewDraw();

    void TextViewFocus( Boolean focus );

    OSStatus TextViewAppendCFString( CFStringRef cfString );

    OSStatus TextViewAppendString( char* string, CFIndex len );

    OSStatus TextViewReplaceCFString( CFStringRef cfString, UInt32 start = kTXNUseCurrentSelection, UInt32 end = kTXNUseCurrentSelection );

    OSStatus TextViewReplaceString( char* str, CFIndex len, UInt32 start = kTXNUseCurrentSelection, UInt32 end = kTXNUseCurrentSelection );

    OSStatus TextViewProcessHICommand( const HICommand& cmd );

    OSStatus TextViewKeyDown( UniChar uChar );

    OSStatus TextViewSetOffsetWithHIPoint( HIPoint pt );

    OSStatus TextViewSetOffsetWithQDPoint( Point pt );

    OSStatus TextViewSetSelectionOffsets( UInt32 start, UInt32 end );

    OSStatus TextViewJoin( HIRect bounds );

    OSStatus TextViewHIPointToOffset( HIPoint& pt, UInt32& offset );

    OSStatus TextViewQDPointToOffset( Point& pt, UInt32& offset );

    // Use some UI to indicate what type of Ink Event

    // was handled by the ink handlers.

    OSStatus UISignalInkEvent( UInt32 signalInkEventKind );

    void DebugDrawPoint( HIPoint hiPt );

    void DebugDrawMLTEOffsetToPoint( TXNOffset start, TXNOffset end );

protected:

    // CARBON EVENT HANDLER RELATED METHODS

    virtual OSStatus InstallTextInputHandlersOnTarget( EventTargetRef targetRef );

    virtual OSStatus InstallInkHandlersOnTarget( EventTargetRef targetRef );

    virtual OSStatus InstallMenuHandlersOnTarget( EventTargetRef targetRef );

    // STATIC

    static OSStatus MenuEventHandler( EventHandlerCallRef inHandlerRef,

                                      EventRef inEvent, void *userData );

    static OSStatus TextInputHandler( EventHandlerCallRef inHandlerRef,

                                      EventRef inEvent, void *userData );

    static OSStatus InkHandler( EventHandlerCallRef inCallRef,

                                EventRef inEvent, void* inUserData );

    virtual OSStatus ProcessHICommand( const HICommand& cmd );

    virtual OSStatus HandleInkTextEvent( EventHandlerCallRef inCallRef, EventRef inEvent );

    virtual OSStatus HandleGestureEvent( EventHandlerCallRef inCallRef, EventRef inEvent );

    HIViewRef fParentInstance; // this is the userpane control in the window that

                               // specifies our bounds

    WindowRef fHIViewWindow;

    WindowRef fWindowRef;

    EventHandlerRef fMenuEventHandler;

    EventHandlerRef fTextInputHandler;

    EventHandlerRef fInkEventHandler;

    Boolean fAnnotateInkInput; // put markup around ink text, to prove it came from ink handler

private:

    TXNObject fMLTEObj;

};

#endif // InkSample_INKTEXTPANE