richtexteditorcontainer.h

symbian C++ 开发学习的一个很好的例子

/*
* ============================================================================
*  Name     : CRTEContainer from RichTextEditorContainer.h
*  Part of  : RichTextEditor
*  Created  : 05/08/2006 by Forum Nokia 
*  Version  : 2.0
*  Copyright: Forum Nokia
* ============================================================================
*/

#ifndef RTECONTAINER_H
#define RTECONTAINER_H

// INCLUDES
#include <coecntrl.h>
#include <eikrted.h>

#include "eiklabel.h"  //CEikLabel

#include "mypicture.h"   
// FORWARD DECLARATIONS

// CLASS DECLARATION

/**
*  CRTEContainer  container control class.
*  
*/
class CRTEContainer : public CCoeControl
    {
    public: // Constructors and destructor
        
        /**
        * EPOC default constructor.
        * @param aRect Frame rectangle for container.
        */
        void ConstructL(const TRect& aRect);

        /**
        * Destructor.
        */
        ~CRTEContainer();
        
        // Toggle -left-center-right- alignment within the actual paragraph
	void SetAlignment(CParaFormat::TAlignment );
		// Select an area of text
	void SetSelectionL(TInt,TInt);
		// Swicht on/off the Bold/Italic/Underline attributes
	void SetCharacterBIUAttribL(CEikGlobalTextEditor::TFontStyleFlags );

	#ifdef __SERIES60_3X__
		// Change the text's font from 3rd Edition onwards
		void SetFont(TInt aFontId);
	#else
		// Change the text's font
		void SetFont(const CFont* );
	#endif
		// Toggle between strikethrough or not strikethrough text	
	void Strike();
		// Change the text's color
	void SetColor(TRgb );
		// Demonstrate the how program use some Richtext feature
	void IntroL();
        
    		// Create Demo Content 
		void DemoL();
    
    
    public: // Functions from base classes
	
    private: 
	// New functions
	
		// Prepare the Richtext Editor, set the Editor flags
		void Prepare();
	
		// Apply the final settings after the Editor is activated
		void SetupL();
		
		// Append Bitmap to iBitmap Array
		void PrepareBitmapL();
		// Call Richtext's InsertL() with the CPicture
		void InsertMyPictureL(TInt aPos);
	
		//Echo the last engine operation to the status line
	void Echo(TInt );
	
	
		// Functions from base classes

       /**
        * From CoeControl,SizeChanged.
        */
        void SizeChanged();


       /**
        * From CoeControl,CountComponentControls.
        */
        TInt CountComponentControls() const;

       /**
        * From CCoeControl,ComponentControl.
        */
        CCoeControl* ComponentControl(TInt aIndex) const;

       /**
        * From CCoeControl,Draw.
        */
        void Draw(const TRect& aRect) const;

		/**
        * From CCoeControl,OfferKeyEventL.
        */
		TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
      
    private: //data
        
		CEikRichTextEditor* iRtEd; // Rich Text Editor
		CArrayFixFlat<CFbsBitmap*>* iBitmap; // Reference Array for Images
		CEikLabel* iStatusLine; // Status line Label
		TBool iStrike;// Strikethrough Switch
    };

#endif

// End of File