Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/richtexteditorrte_8cpp_source.html
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    11 <h1>examples/ForumNokia/ThreadExample/src/richtexteditorrte.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
       
    12 <a name="l00002"></a>00002 <span class="comment">* ============================================================================</span>
       
    13 <a name="l00003"></a>00003 <span class="comment">*  Name     : CRichTextEditorRTE from CRichTextEditorRTE.h</span>
       
    14 <a name="l00004"></a>00004 <span class="comment">*  Part of  : Thread</span>
       
    15 <a name="l00005"></a>00005 <span class="comment">*  Created  : 04.02.2005 by Forum Nokia</span>
       
    16 <a name="l00006"></a>00006 <span class="comment">*  Version  : 1.0</span>
       
    17 <a name="l00007"></a>00007 <span class="comment">*  Copyright: Nokia Corporation</span>
       
    18 <a name="l00008"></a>00008 <span class="comment">* ============================================================================</span>
       
    19 <a name="l00009"></a>00009 <span class="comment">*/</span>
       
    20 <a name="l00010"></a>00010 
       
    21 <a name="l00011"></a>00011 <span class="comment">// INCLUDES</span>
       
    22 <a name="l00012"></a>00012 <span class="preprocessor">#include &quot;RichTextEditorRTE.h&quot;</span>
       
    23 <a name="l00013"></a>00013 <span class="preprocessor">#include &lt;barsread.h&gt;</span> <span class="comment">// TResourceReader</span>
       
    24 <a name="l00014"></a>00014 <span class="preprocessor">#include &lt;thread.rsg&gt;</span> <span class="comment">// resources</span>
       
    25 <a name="l00015"></a>00015 <span class="preprocessor">#include &lt;eikrted.h&gt;</span> <span class="comment">// CEikRichTextEditor</span>
       
    26 <a name="l00016"></a>00016 <span class="preprocessor">#include &lt;txtrich.h&gt;</span> <span class="comment">// CRichText</span>
       
    27 <a name="l00017"></a>00017 
       
    28 <a name="l00018"></a>00018 <span class="comment">// Standard EPOC 2nd phase constructor</span>
       
    29 <a name="l00019"></a>00019 <span class="keywordtype">void</span> CRichTextEditorRTE::ConstructL(<span class="keyword">const</span> CCoeControl&amp; aView)
       
    30 <a name="l00020"></a>00020         {
       
    31 <a name="l00021"></a>00021         TResourceReader reader;
       
    32 <a name="l00022"></a>00022         <span class="comment">// Construct RichTextEditor from resource</span>
       
    33 <a name="l00023"></a>00023         iCoeEnv-&gt;CreateResourceReaderLC(reader, R_RICHTEXTEDITOR_RICH_TEXT_EDITOR);
       
    34 <a name="l00024"></a>00024         SetContainerWindowL(aView);
       
    35 <a name="l00025"></a>00025         ConstructFromResourceL(reader);
       
    36 <a name="l00026"></a>00026         CleanupStack::PopAndDestroy(); <span class="comment">// reader</span>
       
    37 <a name="l00027"></a>00027         <span class="comment">// Sets that the control has keyboard focus</span>
       
    38 <a name="l00028"></a>00028         SetFocus(ETrue);
       
    39 <a name="l00029"></a>00029         }
       
    40 <a name="l00030"></a>00030 
       
    41 <a name="l00031"></a>00031 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    42 <a name="l00032"></a>00032 <span class="comment">// CRichTextEditorRTE::CRichTextEditorRTE(void) </span>
       
    43 <a name="l00033"></a>00033 <span class="comment">//</span>
       
    44 <a name="l00034"></a>00034 <span class="comment">// constructor</span>
       
    45 <a name="l00035"></a>00035 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    46 <a name="l00036"></a>00036 CRichTextEditorRTE::CRichTextEditorRTE(<span class="keywordtype">void</span>) 
       
    47 <a name="l00037"></a>00037         {
       
    48 <a name="l00038"></a>00038         }
       
    49 <a name="l00039"></a>00039 
       
    50 <a name="l00040"></a>00040 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    51 <a name="l00041"></a>00041 <span class="comment">// CRichTextEditorRTE::AddCarriageReturnL()</span>
       
    52 <a name="l00042"></a>00042 <span class="comment">//</span>
       
    53 <a name="l00043"></a>00043 <span class="comment">// Insert one line break at the end of the text.</span>
       
    54 <a name="l00044"></a>00044 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    55 <a name="l00045"></a>00045 <span class="keywordtype">void</span> <a class="code" href="class_c_rich_text_editor_r_t_e.html#a5a57f8dee12cf629be85b72d6c398608">CRichTextEditorRTE::AddCarriageReturnL</a>()
       
    56 <a name="l00046"></a>00046         {
       
    57 <a name="l00047"></a>00047         CRichText* richText = RichText();
       
    58 <a name="l00048"></a>00048         richText-&gt;InsertL(richText-&gt;DocumentLength(), CEditableText::ELineBreak);
       
    59 <a name="l00049"></a>00049         }
       
    60 <a name="l00050"></a>00050 
       
    61 <a name="l00051"></a>00051 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    62 <a name="l00052"></a>00052 <span class="comment">// CRichTextEditorRTE::AddTextL(const TDesC&amp; aText)</span>
       
    63 <a name="l00053"></a>00053 <span class="comment">//</span>
       
    64 <a name="l00054"></a>00054 <span class="comment">// Draws text using black color.</span>
       
    65 <a name="l00055"></a>00055 <span class="comment">// ----------------------------------------------------------------------------</span>
       
    66 <a name="l00056"></a>00056 <span class="keywordtype">void</span> <a class="code" href="class_c_rich_text_editor_r_t_e.html#a55419e53857c052199a26977966eca71">CRichTextEditorRTE::AddTextL</a>(<span class="keyword">const</span> TDesC&amp; aText)
       
    67 <a name="l00057"></a>00057         {
       
    68 <a name="l00058"></a>00058         CRichText* text = RichText();
       
    69 <a name="l00059"></a>00059         TInt textSize = text-&gt;DocumentLength();
       
    70 <a name="l00060"></a>00060 
       
    71 <a name="l00061"></a>00061         <span class="comment">// Interested in color</span>
       
    72 <a name="l00062"></a>00062         iCharacterFormatMask.SetAttrib(EAttColor); 
       
    73 <a name="l00063"></a>00063         <span class="comment">// Set it to Black</span>
       
    74 <a name="l00064"></a>00064         iCharacterFormat.iFontPresentation.iTextColor = KRgbBlack; 
       
    75 <a name="l00065"></a>00065         text-&gt;InsertL (textSize, aText);
       
    76 <a name="l00066"></a>00066         <span class="comment">// Apply formatting</span>
       
    77 <a name="l00067"></a>00067         text-&gt;ApplyCharFormatL(iCharacterFormat, iCharacterFormatMask,textSize,aText.Length());
       
    78 <a name="l00068"></a>00068         <a class="code" href="class_c_rich_text_editor_r_t_e.html#a5a57f8dee12cf629be85b72d6c398608">AddCarriageReturnL</a>();
       
    79 <a name="l00069"></a>00069         HandleTextChangedL();
       
    80 <a name="l00070"></a>00070 
       
    81 <a name="l00071"></a>00071         <span class="comment">//Keep displaying the bottom of the screen</span>
       
    82 <a name="l00072"></a>00072         MoveCursorL (TCursorPosition::EFPageDown, EFalse);
       
    83 <a name="l00073"></a>00073         }
       
    84 <a name="l00074"></a>00074 
       
    85 <a name="l00075"></a><a class="code" href="class_c_rich_text_editor_r_t_e.html#aba44d99d192b4fdd2e9540bebee50b9e">00075</a> <a class="code" href="class_c_rich_text_editor_r_t_e.html">CRichTextEditorRTE</a>* <a class="code" href="class_c_rich_text_editor_r_t_e.html#a8485f9c132993b4586536724a8ad1d99">CRichTextEditorRTE::NewL</a>(<span class="keyword">const</span> CCoeControl&amp; aView)
       
    86 <a name="l00076"></a>00076         {
       
    87 <a name="l00077"></a>00077         <a class="code" href="class_c_rich_text_editor_r_t_e.html">CRichTextEditorRTE</a>* <span class="keyword">self</span> = <a class="code" href="class_c_rich_text_editor_r_t_e.html#af6b32a535f84a829fd49160d70e91614">CRichTextEditorRTE::NewLC</a>(aView);
       
    88 <a name="l00078"></a>00078         CleanupStack::Pop(<span class="keyword">self</span>);
       
    89 <a name="l00079"></a>00079         <span class="keywordflow">return</span> <span class="keyword">self</span>;
       
    90 <a name="l00080"></a>00080         }
       
    91 <a name="l00081"></a>00081 
       
    92 <a name="l00082"></a><a class="code" href="class_c_rich_text_editor_r_t_e.html#ae6ee8012092e261bcf4c88e3d1b9c735">00082</a> <a class="code" href="class_c_rich_text_editor_r_t_e.html">CRichTextEditorRTE</a>* <a class="code" href="class_c_rich_text_editor_r_t_e.html#af6b32a535f84a829fd49160d70e91614">CRichTextEditorRTE::NewLC</a>(<span class="keyword">const</span> CCoeControl&amp; aView)
       
    93 <a name="l00083"></a>00083         {
       
    94 <a name="l00084"></a>00084         <a class="code" href="class_c_rich_text_editor_r_t_e.html">CRichTextEditorRTE</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_rich_text_editor_r_t_e.html">CRichTextEditorRTE</a>;
       
    95 <a name="l00085"></a>00085         CleanupStack::PushL(<span class="keyword">self</span>);
       
    96 <a name="l00086"></a>00086         <span class="keyword">self</span>-&gt;ConstructL(aView);
       
    97 <a name="l00087"></a>00087         <span class="keywordflow">return</span> <span class="keyword">self</span>;
       
    98 <a name="l00088"></a>00088         }
       
    99 <a name="l00089"></a>00089 
       
   100 <a name="l00090"></a>00090 <span class="comment">// ----------------------------------------------------------------------------</span>
       
   101 <a name="l00091"></a>00091 <span class="comment">// TKeyResponse CRichTextEditorRTE::OfferKeyEventL(const TKeyEvent&amp; aKeyEvent,</span>
       
   102 <a name="l00092"></a>00092 <span class="comment">//              TEventCode aType)</span>
       
   103 <a name="l00093"></a>00093 <span class="comment">//</span>
       
   104 <a name="l00094"></a>00094 <span class="comment">// Called by the framework whenever a key event occurs. Handles scrolling </span>
       
   105 <a name="l00095"></a>00095 <span class="comment">// events.</span>
       
   106 <a name="l00096"></a>00096 <span class="comment">// ----------------------------------------------------------------------------</span>
       
   107 <a name="l00097"></a>00097 TKeyResponse CRichTextEditorRTE::OfferKeyEventL(<span class="keyword">const</span> TKeyEvent&amp; aKeyEvent,TEventCode aType)
       
   108 <a name="l00098"></a>00098         {       
       
   109 <a name="l00099"></a>00099         <span class="keywordflow">if</span> (aType == EEventKey)
       
   110 <a name="l00100"></a>00100                 {
       
   111 <a name="l00101"></a>00101                 <span class="keywordflow">if</span> (aKeyEvent.iCode == EKeyDownArrow)
       
   112 <a name="l00102"></a>00102                         {
       
   113 <a name="l00103"></a>00103                         MoveCursorL (TCursorPosition::EFPageDown, EFalse);
       
   114 <a name="l00104"></a>00104                         
       
   115 <a name="l00105"></a>00105                         <span class="keywordflow">return</span> EKeyWasConsumed;
       
   116 <a name="l00106"></a>00106                         }
       
   117 <a name="l00107"></a>00107                 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aKeyEvent.iCode == EKeyUpArrow)
       
   118 <a name="l00108"></a>00108                         {
       
   119 <a name="l00109"></a>00109                         MoveCursorL (TCursorPosition::EFPageUp, EFalse);
       
   120 <a name="l00110"></a>00110                         
       
   121 <a name="l00111"></a>00111                         <span class="keywordflow">return</span> EKeyWasConsumed;
       
   122 <a name="l00112"></a>00112                         }
       
   123 <a name="l00113"></a>00113                 <span class="keywordflow">else</span>
       
   124 <a name="l00114"></a>00114                         {
       
   125 <a name="l00115"></a>00115                         <span class="keywordflow">return</span> CEikRichTextEditor::OfferKeyEventL(aKeyEvent, aType);
       
   126 <a name="l00116"></a>00116                         }
       
   127 <a name="l00117"></a>00117                 }
       
   128 <a name="l00118"></a>00118                 
       
   129 <a name="l00119"></a>00119         <span class="keywordflow">return</span> EKeyWasNotConsumed;
       
   130 <a name="l00120"></a>00120         }
       
   131 </pre></div></div>
       
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