TB9.2 Example Applications: examples/ForumNokia/ThreadExample/src/richtexteditorrte.cpp Source File

00001 /*
+00002 * ============================================================================
+00003 *  Name     : CRichTextEditorRTE from CRichTextEditorRTE.h
+00004 *  Part of  : Thread
+00005 *  Created  : 04.02.2005 by Forum Nokia
+00006 *  Version  : 1.0
+00007 *  Copyright: Nokia Corporation
+00008 * ============================================================================
+00009 */
+00010 
+00011 // INCLUDES
+00012 #include "RichTextEditorRTE.h"
+00013 #include <barsread.h> // TResourceReader
+00014 #include <thread.rsg> // resources
+00015 #include <eikrted.h> // CEikRichTextEditor
+00016 #include <txtrich.h> // CRichText
+00017 
+00018 // Standard EPOC 2nd phase constructor
+00019 void CRichTextEditorRTE::ConstructL(const CCoeControl& aView)
+00020         {
+00021         TResourceReader reader;
+00022         // Construct RichTextEditor from resource
+00023         iCoeEnv->CreateResourceReaderLC(reader, R_RICHTEXTEDITOR_RICH_TEXT_EDITOR);
+00024         SetContainerWindowL(aView);
+00025         ConstructFromResourceL(reader);
+00026         CleanupStack::PopAndDestroy(); // reader
+00027         // Sets that the control has keyboard focus
+00028         SetFocus(ETrue);
+00029         }
+00030 
+00031 // ----------------------------------------------------------------------------
+00032 // CRichTextEditorRTE::CRichTextEditorRTE(void) 
+00033 //
+00034 // constructor
+00035 // ----------------------------------------------------------------------------
+00036 CRichTextEditorRTE::CRichTextEditorRTE(void) 
+00037         {
+00038         }
+00039 
+00040 // ----------------------------------------------------------------------------
+00041 // CRichTextEditorRTE::AddCarriageReturnL()
+00042 //
+00043 // Insert one line break at the end of the text.
+00044 // ----------------------------------------------------------------------------
+00045 void CRichTextEditorRTE::AddCarriageReturnL()
+00046         {
+00047         CRichText* richText = RichText();
+00048         richText->InsertL(richText->DocumentLength(), CEditableText::ELineBreak);
+00049         }
+00050 
+00051 // ----------------------------------------------------------------------------
+00052 // CRichTextEditorRTE::AddTextL(const TDesC& aText)
+00053 //
+00054 // Draws text using black color.
+00055 // ----------------------------------------------------------------------------
+00056 void CRichTextEditorRTE::AddTextL(const TDesC& aText)
+00057         {
+00058         CRichText* text = RichText();
+00059         TInt textSize = text->DocumentLength();
+00060 
+00061         // Interested in color
+00062         iCharacterFormatMask.SetAttrib(EAttColor); 
+00063         // Set it to Black
+00064         iCharacterFormat.iFontPresentation.iTextColor = KRgbBlack; 
+00065         text->InsertL (textSize, aText);
+00066         // Apply formatting
+00067         text->ApplyCharFormatL(iCharacterFormat, iCharacterFormatMask,textSize,aText.Length());
+00068         AddCarriageReturnL();
+00069         HandleTextChangedL();
+00070 
+00071         //Keep displaying the bottom of the screen
+00072         MoveCursorL (TCursorPosition::EFPageDown, EFalse);
+00073         }
+00074 
+00075 CRichTextEditorRTE* CRichTextEditorRTE::NewL(const CCoeControl& aView)
+00076         {
+00077         CRichTextEditorRTE* self = CRichTextEditorRTE::NewLC(aView);
+00078         CleanupStack::Pop(self);
+00079         return self;
+00080         }
+00081 
+00082 CRichTextEditorRTE* CRichTextEditorRTE::NewLC(const CCoeControl& aView)
+00083         {
+00084         CRichTextEditorRTE* self = new (ELeave) CRichTextEditorRTE;
+00085         CleanupStack::PushL(self);
+00086         self->ConstructL(aView);
+00087         return self;
+00088         }
+00089 
+00090 // ----------------------------------------------------------------------------
+00091 // TKeyResponse CRichTextEditorRTE::OfferKeyEventL(const TKeyEvent& aKeyEvent,
+00092 //              TEventCode aType)
+00093 //
+00094 // Called by the framework whenever a key event occurs. Handles scrolling 
+00095 // events.
+00096 // ----------------------------------------------------------------------------
+00097 TKeyResponse CRichTextEditorRTE::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
+00098         {       
+00099         if (aType == EEventKey)
+00100                 {
+00101                 if (aKeyEvent.iCode == EKeyDownArrow)
+00102                         {
+00103                         MoveCursorL (TCursorPosition::EFPageDown, EFalse);
+00104                         
+00105                         return EKeyWasConsumed;
+00106                         }
+00107                 else if (aKeyEvent.iCode == EKeyUpArrow)
+00108                         {
+00109                         MoveCursorL (TCursorPosition::EFPageUp, EFalse);
+00110                         
+00111                         return EKeyWasConsumed;
+00112                         }
+00113                 else
+00114                         {
+00115                         return CEikRichTextEditor::OfferKeyEventL(aKeyEvent, aType);
+00116                         }
+00117                 }
+00118                 
+00119         return EKeyWasNotConsumed;
+00120         }
+