Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/helloworldbasicappview_8cpp_source.html
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<h1>examples/S60CppExamples/helloworldbasic/src/helloworldbasicappview.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">* ==============================================================================</span>
<a name="l00003"></a>00003 <span class="comment">* Name : helloworldbasicappview.cpp</span>
<a name="l00004"></a>00004 <span class="comment">* Part of : Helloworldbasic</span>
<a name="l00005"></a>00005 <span class="comment">* Interface :</span>
<a name="l00006"></a>00006 <span class="comment">* Description :</span>
<a name="l00007"></a>00007 <span class="comment">* Version :</span>
<a name="l00008"></a>00008 <span class="comment">*</span>
<a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2005-2006 Nokia Corporation.</span>
<a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related</span>
<a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by</span>
<a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span>
<a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span>
<a name="l00014"></a>00014 <span class="comment">*/</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">// INCLUDE FILES</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <coemain.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <aknutils.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "HelloWorldBasicAppView.h"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="comment">// ============================ MEMBER FUNCTIONS ===============================</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00024"></a>00024 <span class="comment">// CHelloWorldBasicAppView::NewL()</span>
<a name="l00025"></a>00025 <span class="comment">// Two-phased constructor.</span>
<a name="l00026"></a>00026 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00027"></a>00027 <span class="comment">//</span>
<a name="l00028"></a><a class="code" href="class_c_hello_world_basic_app_view.html#af938676f7eee65925c90b654b5a5034f">00028</a> <a class="code" href="class_c_hello_world_basic_app_view.html">CHelloWorldBasicAppView</a>* <a class="code" href="class_c_hello_world_basic_app_view.html#af938676f7eee65925c90b654b5a5034f">CHelloWorldBasicAppView::NewL</a>( <span class="keyword">const</span> TRect& aRect )
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <a class="code" href="class_c_hello_world_basic_app_view.html">CHelloWorldBasicAppView</a>* <span class="keyword">self</span> = <a class="code" href="class_c_hello_world_basic_app_view.html#a804eda405da415cc0e58824a44d3c622">CHelloWorldBasicAppView::NewLC</a>( aRect );
<a name="l00031"></a>00031 CleanupStack::Pop( <span class="keyword">self</span> );
<a name="l00032"></a>00032 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00036"></a>00036 <span class="comment">// CHelloWorldBasicAppView::NewLC()</span>
<a name="l00037"></a>00037 <span class="comment">// Two-phased constructor.</span>
<a name="l00038"></a>00038 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00039"></a>00039 <span class="comment">//</span>
<a name="l00040"></a><a class="code" href="class_c_hello_world_basic_app_view.html#a804eda405da415cc0e58824a44d3c622">00040</a> <a class="code" href="class_c_hello_world_basic_app_view.html">CHelloWorldBasicAppView</a>* <a class="code" href="class_c_hello_world_basic_app_view.html#a804eda405da415cc0e58824a44d3c622">CHelloWorldBasicAppView::NewLC</a>( <span class="keyword">const</span> TRect& aRect )
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <a class="code" href="class_c_hello_world_basic_app_view.html">CHelloWorldBasicAppView</a>* <span class="keyword">self</span> = <span class="keyword">new</span> ( ELeave ) <a class="code" href="class_c_hello_world_basic_app_view.html">CHelloWorldBasicAppView</a>;
<a name="l00043"></a>00043 CleanupStack::PushL( <span class="keyword">self</span> );
<a name="l00044"></a>00044 <span class="keyword">self</span>->ConstructL( aRect );
<a name="l00045"></a>00045 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00049"></a>00049 <span class="comment">// CHelloWorldBasicAppView::ConstructL()</span>
<a name="l00050"></a>00050 <span class="comment">// Symbian 2nd phase constructor can leave.</span>
<a name="l00051"></a>00051 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00052"></a>00052 <span class="comment">//</span>
<a name="l00053"></a>00053 <span class="keywordtype">void</span> CHelloWorldBasicAppView::ConstructL( <span class="keyword">const</span> TRect& aRect )
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 <span class="comment">// Create a window for this application view</span>
<a name="l00056"></a>00056 CreateWindowL();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// set the font</span>
<a name="l00059"></a>00059 iFont = AknLayoutUtils::FontFromId(EAknLogicalFontPrimaryFont);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 iText.Zero();
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">// Set the windows size</span>
<a name="l00064"></a>00064 SetRect( aRect );
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">// Activate the window, which makes it ready to be drawn</span>
<a name="l00067"></a>00067 ActivateL();
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00071"></a>00071 <span class="comment">// CHelloWorldBasicAppView::CHelloWorldBasicAppView()</span>
<a name="l00072"></a>00072 <span class="comment">// C++ default constructor can NOT contain any code, that might leave.</span>
<a name="l00073"></a>00073 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00074"></a>00074 <span class="comment">//</span>
<a name="l00075"></a>00075 CHelloWorldBasicAppView::CHelloWorldBasicAppView()
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="comment">// No implementation required</span>
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00082"></a>00082 <span class="comment">// CHelloWorldBasicAppView::~CHelloWorldBasicAppView()</span>
<a name="l00083"></a>00083 <span class="comment">// Destructor.</span>
<a name="l00084"></a>00084 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00085"></a>00085 <span class="comment">//</span>
<a name="l00086"></a><a class="code" href="class_c_hello_world_basic_app_view.html#ab9c5fcaf63dadb3ac256da16250232aa">00086</a> <a class="code" href="class_c_hello_world_basic_app_view.html#ab9c5fcaf63dadb3ac256da16250232aa">CHelloWorldBasicAppView::~CHelloWorldBasicAppView</a>()
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="comment">// No implementation required</span>
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00093"></a>00093 <span class="comment">// CHelloWorldBasicAppView::Draw()</span>
<a name="l00094"></a>00094 <span class="comment">// Draws the display.</span>
<a name="l00095"></a>00095 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00096"></a>00096 <span class="comment">//</span>
<a name="l00097"></a><a class="code" href="class_c_hello_world_basic_app_view.html#a4cd95207d54ed5b6d226e4f7ecdf60c3">00097</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_view.html#a4cd95207d54ed5b6d226e4f7ecdf60c3">CHelloWorldBasicAppView::Draw</a>( <span class="keyword">const</span> TRect& <span class="comment">/*aRect*/</span> )<span class="keyword"> const</span>
<a name="l00098"></a>00098 <span class="keyword"> </span>{
<a name="l00099"></a>00099 <span class="comment">// note that the whole screen is drawn everytime, so aRect-parameter</span>
<a name="l00100"></a>00100 <span class="comment">// is ignored</span>
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">// Get the standard graphics context</span>
<a name="l00103"></a>00103 CWindowGc& gc = SystemGc();
<a name="l00104"></a>00104 gc.SetPenStyle( CGraphicsContext::ENullPen );
<a name="l00105"></a>00105 gc.SetBrushColor( KRgbWhite);
<a name="l00106"></a>00106 gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">// Gets the control's extent</span>
<a name="l00109"></a>00109 TRect rect( Rect());
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// draw also text, if user has given it via dialog</span>
<a name="l00112"></a>00112 <span class="keywordflow">if</span> (iText.Length() > 0)
<a name="l00113"></a>00113 {
<a name="l00114"></a>00114 gc.UseFont(iFont);
<a name="l00115"></a>00115 gc.DrawText(iText, rect, Rect().Height()/3, CGraphicsContext::ECenter );
<a name="l00116"></a>00116 gc.DiscardFont();
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118 <span class="keywordflow">else</span>
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 gc.Clear( rect );
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00125"></a>00125 <span class="comment">// CHelloWorldBasicAppView::SizeChanged()</span>
<a name="l00126"></a>00126 <span class="comment">// Called by framework when the view size is changed.</span>
<a name="l00127"></a>00127 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00128"></a>00128 <span class="comment">//</span>
<a name="l00129"></a><a class="code" href="class_c_hello_world_basic_app_view.html#aca7c3b8a59edd4f59b8923e2a89a7fc3">00129</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_view.html#aca7c3b8a59edd4f59b8923e2a89a7fc3">CHelloWorldBasicAppView::SizeChanged</a>()
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00134"></a>00134 <span class="comment">// CHelloWorldBasicAppView::GetText()</span>
<a name="l00135"></a>00135 <span class="comment">// Called by AppUi to either set the text (via dialog) or zero the contents.</span>
<a name="l00136"></a>00136 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00137"></a>00137 <span class="comment">//</span>
<a name="l00138"></a><a class="code" href="class_c_hello_world_basic_app_view.html#a06d9ceabab68ab2e9935b1af116b654c">00138</a> TDes & <a class="code" href="class_c_hello_world_basic_app_view.html#a06d9ceabab68ab2e9935b1af116b654c">CHelloWorldBasicAppView::GetText</a>()
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <span class="keywordflow">return</span> iText;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// End of File</span>
<a name="l00144"></a>00144
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