_ocr_example_text_container_8cpp-source.html

基于symbian 平台 ocr 示例程序

<a name="l00077"></a>00077     <span class="comment">// we should have active scrollbar, but let's do paranoia check anyway</span>
<a name="l00078"></a>00078     <span class="keywordflow">if</span> (<a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;ScrollBarFrame())
<a name="l00079"></a>00079         {
<a name="l00080"></a>00080         size.iWidth -= <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;ScrollBarFrame()-&gt;VerticalScrollBar()-&gt;ScrollBarBreadth();
<a name="l00081"></a>00081         }
<a name="l00082"></a>00082     iEditor-&gt;SetExtent(TPoint(0,0), size);
<a name="l00083"></a>00083     }
<a name="l00084"></a>00084 
<a name="l00085"></a><a class="code" href="class_c_ocr_example_text_container.html#0bcd5d2c740b8093d9a148427f81851f">00085</a> <span class="keywordtype">void</span> <a class="code" href="class_c_ocr_example_text_container.html#0bcd5d2c740b8093d9a148427f81851f">COcrExampleTextContainer::ActivateL</a>()
<a name="l00086"></a>00086     {
<a name="l00087"></a>00087     <a class="code" href="class_c_ocr_example_text_container.html#a83681f065b17f7bc3b5e9f30fe67cf6">ReadTextFromFileL</a>();
<a name="l00088"></a>00088     CCoeControl::ActivateL();
<a name="l00089"></a>00089     <a class="code" href="class_c_ocr_example_text_container.html#8c27b9d1c80c83eee68cc2015a85277d">AdjustCursorL</a>(); <span class="comment">// has to be done after activation</span>
<a name="l00090"></a>00090     }
<a name="l00091"></a>00091 
<a name="l00092"></a><a class="code" href="class_c_ocr_example_text_container.html#195be64c0e5b9f91ce87699e499af01c">00092</a> TInt <a class="code" href="class_c_ocr_example_text_container.html#195be64c0e5b9f91ce87699e499af01c">COcrExampleTextContainer::CountComponentControls</a>()<span class="keyword"> const</span>
<a name="l00093"></a>00093 <span class="keyword">    </span>{
<a name="l00094"></a>00094     <span class="keywordflow">return</span> 1; <span class="comment">// return number of controls inside this container</span>
<a name="l00095"></a>00095     }
<a name="l00096"></a>00096 
<a name="l00097"></a><a class="code" href="class_c_ocr_example_text_container.html#c1d1ba8d1c19e939c47fb73d50cb5432">00097</a> CCoeControl* <a class="code" href="class_c_ocr_example_text_container.html#c1d1ba8d1c19e939c47fb73d50cb5432">COcrExampleTextContainer::ComponentControl</a>(TInt aIndex)<span class="keyword"> const</span>
<a name="l00098"></a>00098 <span class="keyword">    </span>{
<a name="l00099"></a>00099     <span class="keywordflow">switch</span> (aIndex)
<a name="l00100"></a>00100         {
<a name="l00101"></a>00101         <span class="keywordflow">case</span> 0:
<a name="l00102"></a>00102             <span class="keywordflow">return</span> <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>;
<a name="l00103"></a>00103         <span class="keywordflow">default</span>:
<a name="l00104"></a>00104             <span class="keywordflow">return</span> NULL;
<a name="l00105"></a>00105         }
<a name="l00106"></a>00106     }
<a name="l00107"></a>00107 
<a name="l00108"></a><a class="code" href="class_c_ocr_example_text_container.html#67f946ca7848ec78de4961c5bcefdb72">00108</a> <span class="keywordtype">void</span> <a class="code" href="class_c_ocr_example_text_container.html#67f946ca7848ec78de4961c5bcefdb72">COcrExampleTextContainer::Draw</a>(<span class="keyword">const</span> TRect&amp; aRect)<span class="keyword"> const</span>
<a name="l00109"></a>00109 <span class="keyword">    </span>{
<a name="l00110"></a>00110     CWindowGc&amp; gc = SystemGc();
<a name="l00111"></a>00111     gc.Clear(aRect);
<a name="l00112"></a>00112     }
<a name="l00113"></a>00113 
<a name="l00114"></a><a class="code" href="class_c_ocr_example_text_container.html#6775621e6d3ce05d6685555c939c7706">00114</a> TKeyResponse <a class="code" href="class_c_ocr_example_text_container.html#6775621e6d3ce05d6685555c939c7706">COcrExampleTextContainer::OfferKeyEventL</a>(<span class="keyword">const</span> TKeyEvent&amp; aKeyEvent,TEventCode aType)
<a name="l00115"></a>00115     {
<a name="l00116"></a>00116     <span class="keywordflow">if</span> (<a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>)
<a name="l00117"></a>00117         {
<a name="l00118"></a>00118         <span class="keywordflow">if</span> (aKeyEvent.iCode == EKeyDownArrow)
<a name="l00119"></a>00119             {
<a name="l00120"></a>00120             <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;MoveCursorL(TCursorPosition::EFLineDown, EFalse);
<a name="l00121"></a>00121             <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00122"></a>00122             }
<a name="l00123"></a>00123         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (aKeyEvent.iCode == EKeyUpArrow)
<a name="l00124"></a>00124             {
<a name="l00125"></a>00125             <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;MoveCursorL(TCursorPosition::EFLineUp, EFalse);
<a name="l00126"></a>00126             <span class="keywordflow">return</span> EKeyWasConsumed;
<a name="l00127"></a>00127             }
<a name="l00128"></a>00128                 <span class="keywordflow">else</span>
<a name="l00129"></a>00129                     {
<a name="l00130"></a>00130                         <span class="keywordflow">return</span> <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;OfferKeyEventL(aKeyEvent, aType);
<a name="l00131"></a>00131                     }
<a name="l00132"></a>00132         }
<a name="l00133"></a>00133     <span class="keywordflow">else</span>
<a name="l00134"></a>00134         <span class="keywordflow">return</span> CCoeControl::OfferKeyEventL(aKeyEvent, aType);
<a name="l00135"></a>00135     }
<a name="l00136"></a>00136 
<a name="l00137"></a><a class="code" href="class_c_ocr_example_text_container.html#a83681f065b17f7bc3b5e9f30fe67cf6">00137</a> <span class="keywordtype">void</span> <a class="code" href="class_c_ocr_example_text_container.html#a83681f065b17f7bc3b5e9f30fe67cf6">COcrExampleTextContainer::ReadTextFromFileL</a>()
<a name="l00138"></a>00138     {
<a name="l00139"></a>00139         TFileName file(KLogFile);
<a name="l00140"></a>00140     <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;InsertFromTextFileL(file, CPlainText::EOrganiseByParagraph);
<a name="l00141"></a>00141     }
<a name="l00142"></a>00142 
<a name="l00143"></a><a class="code" href="class_c_ocr_example_text_container.html#8c27b9d1c80c83eee68cc2015a85277d">00143</a> <span class="keywordtype">void</span> <a class="code" href="class_c_ocr_example_text_container.html#8c27b9d1c80c83eee68cc2015a85277d">COcrExampleTextContainer::AdjustCursorL</a>()
<a name="l00144"></a>00144     {
<a name="l00145"></a>00145     <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;SetCursorPosL(<a class="code" href="class_c_ocr_example_text_container.html#e72899bf23845a10c6b7559c2e896baa">iData</a>.<a class="code" href="struct_t_text_container_data.html#5fe8bfc5dd9d83c0ace5811640a956c1">iStartPosition</a>, EFalse);
<a name="l00146"></a>00146     <a class="code" href="class_c_ocr_example_text_container.html#e72899bf23845a10c6b7559c2e896baa">iData</a>.<a class="code" href="struct_t_text_container_data.html#5fe8bfc5dd9d83c0ace5811640a956c1">iStartPosition</a> = <a class="code" href="class_c_ocr_example_text_container.html#916b0cc0d7c67ddc4587c342efe57725">iEditor</a>-&gt;TextLength();
<a name="l00147"></a>00147     }
<a name="l00148"></a>00148 
<a name="l00149"></a>00149 <span class="comment">// End of File</span>
</pre></div><hr>

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