examples/S60CppExamples/helloworldbasic/doc/helloworldbasicappview_8cpp-source.html

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00020 <h1>helloworldbasicappview.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
00021 <a name="l00002"></a>00002 <span class="comment">* ==============================================================================</span>
00022 <a name="l00003"></a>00003 <span class="comment">*  Name        : helloworldbasicappview.cpp</span>
00023 <a name="l00004"></a>00004 <span class="comment">*  Part of     : Helloworldbasic</span>
00024 <a name="l00005"></a>00005 <span class="comment">*  Interface   :</span>
00025 <a name="l00006"></a>00006 <span class="comment">*  Description :</span>
00026 <a name="l00007"></a>00007 <span class="comment">*  Version     :</span>
00027 <a name="l00008"></a>00008 <span class="comment">*</span>
00028 <a name="l00009"></a>00009 <span class="comment">*  Copyright (c) 2005-2006 Nokia Corporation.</span>
00029 <a name="l00010"></a>00010 <span class="comment">*  This material, including documentation and any related</span>
00030 <a name="l00011"></a>00011 <span class="comment">*  computer programs, is protected by copyright controlled by</span>
00031 <a name="l00012"></a>00012 <span class="comment">*  Nokia Corporation.</span>
00032 <a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span>
00033 <a name="l00014"></a>00014 <span class="comment">*/</span>
00034 <a name="l00015"></a>00015 
00035 <a name="l00016"></a>00016 <span class="comment">// INCLUDE FILES</span>
00036 <a name="l00017"></a>00017 <span class="preprocessor">#include &lt;coemain.h&gt;</span>
00037 <a name="l00018"></a>00018 <span class="preprocessor">#include &lt;aknutils.h&gt;</span>
00038 <a name="l00019"></a>00019 <span class="preprocessor">#include "HelloWorldBasicAppView.h"</span>
00039 <a name="l00020"></a>00020 
00040 <a name="l00021"></a>00021 <span class="comment">// ============================ MEMBER FUNCTIONS ===============================</span>
00041 <a name="l00022"></a>00022 
00042 <a name="l00023"></a>00023 <span class="comment">// -----------------------------------------------------------------------------</span>
00043 <a name="l00024"></a>00024 <span class="comment">// CHelloWorldBasicAppView::NewL()</span>
00044 <a name="l00025"></a>00025 <span class="comment">// Two-phased constructor.</span>
00045 <a name="l00026"></a>00026 <span class="comment">// -----------------------------------------------------------------------------</span>
00046 <a name="l00027"></a>00027 <span class="comment">//</span>
00047 <a name="l00028"></a><a class="code" href="class_c_hello_world_basic_app_view.html#5891ab00f23b517058efe213c1febfd2">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#5891ab00f23b517058efe213c1febfd2">CHelloWorldBasicAppView::NewL</a>( <span class="keyword">const</span> TRect&amp; aRect )
00048 <a name="l00029"></a>00029     {
00049 <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#910d18e663ad77c3995c0313f3bd65bd">CHelloWorldBasicAppView::NewLC</a>( aRect );
00050 <a name="l00031"></a>00031     CleanupStack::Pop( <span class="keyword">self</span> );
00051 <a name="l00032"></a>00032     <span class="keywordflow">return</span> <span class="keyword">self</span>;
00052 <a name="l00033"></a>00033     }
00053 <a name="l00034"></a>00034 
00054 <a name="l00035"></a>00035 <span class="comment">// -----------------------------------------------------------------------------</span>
00055 <a name="l00036"></a>00036 <span class="comment">// CHelloWorldBasicAppView::NewLC()</span>
00056 <a name="l00037"></a>00037 <span class="comment">// Two-phased constructor.</span>
00057 <a name="l00038"></a>00038 <span class="comment">// -----------------------------------------------------------------------------</span>
00058 <a name="l00039"></a>00039 <span class="comment">//</span>
00059 <a name="l00040"></a><a class="code" href="class_c_hello_world_basic_app_view.html#910d18e663ad77c3995c0313f3bd65bd">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#910d18e663ad77c3995c0313f3bd65bd">CHelloWorldBasicAppView::NewLC</a>( <span class="keyword">const</span> TRect&amp; aRect )
00060 <a name="l00041"></a>00041     {
00061 <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>;
00062 <a name="l00043"></a>00043     CleanupStack::PushL( <span class="keyword">self</span> );
00063 <a name="l00044"></a>00044     <span class="keyword">self</span>-&gt;<a class="code" href="class_c_hello_world_basic_app_view.html#bf31593b337cbf3fb671382cf773281c">ConstructL</a>( aRect );
00064 <a name="l00045"></a>00045     <span class="keywordflow">return</span> <span class="keyword">self</span>;
00065 <a name="l00046"></a>00046     }
00066 <a name="l00047"></a>00047 
00067 <a name="l00048"></a>00048 <span class="comment">// -----------------------------------------------------------------------------</span>
00068 <a name="l00049"></a>00049 <span class="comment">// CHelloWorldBasicAppView::ConstructL()</span>
00069 <a name="l00050"></a>00050 <span class="comment">// Symbian 2nd phase constructor can leave.</span>
00070 <a name="l00051"></a>00051 <span class="comment">// -----------------------------------------------------------------------------</span>
00071 <a name="l00052"></a>00052 <span class="comment">//</span>
00072 <a name="l00053"></a><a class="code" href="class_c_hello_world_basic_app_view.html#bf31593b337cbf3fb671382cf773281c">00053</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_view.html#bf31593b337cbf3fb671382cf773281c">CHelloWorldBasicAppView::ConstructL</a>( <span class="keyword">const</span> TRect&amp; aRect )
00073 <a name="l00054"></a>00054     {
00074 <a name="l00055"></a>00055     <span class="comment">// Create a window for this application view</span>
00075 <a name="l00056"></a>00056     CreateWindowL();
00076 <a name="l00057"></a>00057 
00077 <a name="l00058"></a>00058     <span class="comment">// set the font</span>
00078 <a name="l00059"></a>00059     <a class="code" href="class_c_hello_world_basic_app_view.html#4faf9e48cb813e0be080fe4270d15573">iFont</a> = AknLayoutUtils::FontFromId(EAknLogicalFontPrimaryFont);
00079 <a name="l00060"></a>00060 
00080 <a name="l00061"></a>00061     <a class="code" href="class_c_hello_world_basic_app_view.html#3acc54dfc6520e11f5c51f4cd887a7d0">iText</a>.Zero();
00081 <a name="l00062"></a>00062 
00082 <a name="l00063"></a>00063     <span class="comment">// Set the windows size</span>
00083 <a name="l00064"></a>00064     SetRect( aRect );
00084 <a name="l00065"></a>00065 
00085 <a name="l00066"></a>00066     <span class="comment">// Activate the window, which makes it ready to be drawn</span>
00086 <a name="l00067"></a>00067     ActivateL();
00087 <a name="l00068"></a>00068     }
00088 <a name="l00069"></a>00069 
00089 <a name="l00070"></a>00070 <span class="comment">// -----------------------------------------------------------------------------</span>
00090 <a name="l00071"></a>00071 <span class="comment">// CHelloWorldBasicAppView::CHelloWorldBasicAppView()</span>
00091 <a name="l00072"></a>00072 <span class="comment">// C++ default constructor can NOT contain any code, that might leave.</span>
00092 <a name="l00073"></a>00073 <span class="comment">// -----------------------------------------------------------------------------</span>
00093 <a name="l00074"></a>00074 <span class="comment">//</span>
00094 <a name="l00075"></a><a class="code" href="class_c_hello_world_basic_app_view.html#5e4d6585c0318638ef415fa23ee6a14d">00075</a> <a class="code" href="class_c_hello_world_basic_app_view.html#5e4d6585c0318638ef415fa23ee6a14d">CHelloWorldBasicAppView::CHelloWorldBasicAppView</a>()
00095 <a name="l00076"></a>00076     {
00096 <a name="l00077"></a>00077     <span class="comment">// No implementation required</span>
00097 <a name="l00078"></a>00078     }
00098 <a name="l00079"></a>00079 
00099 <a name="l00080"></a>00080 
00100 <a name="l00081"></a>00081 <span class="comment">// -----------------------------------------------------------------------------</span>
00101 <a name="l00082"></a>00082 <span class="comment">// CHelloWorldBasicAppView::~CHelloWorldBasicAppView()</span>
00102 <a name="l00083"></a>00083 <span class="comment">// Destructor.</span>
00103 <a name="l00084"></a>00084 <span class="comment">// -----------------------------------------------------------------------------</span>
00104 <a name="l00085"></a>00085 <span class="comment">//</span>
00105 <a name="l00086"></a><a class="code" href="class_c_hello_world_basic_app_view.html#86b9b8317b30af7e92818502b4bfdb34">00086</a> <a class="code" href="class_c_hello_world_basic_app_view.html#86b9b8317b30af7e92818502b4bfdb34">CHelloWorldBasicAppView::~CHelloWorldBasicAppView</a>()
00106 <a name="l00087"></a>00087     {
00107 <a name="l00088"></a>00088     <span class="comment">// No implementation required</span>
00108 <a name="l00089"></a>00089     }
00109 <a name="l00090"></a>00090 
00110 <a name="l00091"></a>00091 
00111 <a name="l00092"></a>00092 <span class="comment">// -----------------------------------------------------------------------------</span>
00112 <a name="l00093"></a>00093 <span class="comment">// CHelloWorldBasicAppView::Draw()</span>
00113 <a name="l00094"></a>00094 <span class="comment">// Draws the display.</span>
00114 <a name="l00095"></a>00095 <span class="comment">// -----------------------------------------------------------------------------</span>
00115 <a name="l00096"></a>00096 <span class="comment">//</span>
00116 <a name="l00097"></a><a class="code" href="class_c_hello_world_basic_app_view.html#67f946ca7848ec78de4961c5bcefdb72">00097</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_view.html#67f946ca7848ec78de4961c5bcefdb72">CHelloWorldBasicAppView::Draw</a>( <span class="keyword">const</span> TRect&amp; <span class="comment">/*aRect*/</span> )<span class="keyword"> const</span>
00117 <a name="l00098"></a>00098 <span class="keyword">    </span>{
00118 <a name="l00099"></a>00099     <span class="comment">// note that the whole screen is drawn everytime, so aRect-parameter</span>
00119 <a name="l00100"></a>00100     <span class="comment">// is ignored</span>
00120 <a name="l00101"></a>00101 
00121 <a name="l00102"></a>00102     <span class="comment">// Get the standard graphics context</span>
00122 <a name="l00103"></a>00103     CWindowGc&amp; gc = SystemGc();
00123 <a name="l00104"></a>00104     gc.SetPenStyle( CGraphicsContext::ENullPen );
00124 <a name="l00105"></a>00105     gc.SetBrushColor( KRgbWhite);
00125 <a name="l00106"></a>00106     gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
00126 <a name="l00107"></a>00107 
00127 <a name="l00108"></a>00108     <span class="comment">// Gets the control's extent</span>
00128 <a name="l00109"></a>00109     TRect rect( Rect());
00129 <a name="l00110"></a>00110 
00130 <a name="l00111"></a>00111     <span class="comment">// draw also text, if user has given it via dialog</span>
00131 <a name="l00112"></a>00112     <span class="keywordflow">if</span> (<a class="code" href="class_c_hello_world_basic_app_view.html#3acc54dfc6520e11f5c51f4cd887a7d0">iText</a>.Length() &gt; 0)
00132 <a name="l00113"></a>00113         {
00133 <a name="l00114"></a>00114         gc.UseFont(<a class="code" href="class_c_hello_world_basic_app_view.html#4faf9e48cb813e0be080fe4270d15573">iFont</a>);
00134 <a name="l00115"></a>00115         gc.DrawText(<a class="code" href="class_c_hello_world_basic_app_view.html#3acc54dfc6520e11f5c51f4cd887a7d0">iText</a>, rect, Rect().Height()/3, CGraphicsContext::ECenter );
00135 <a name="l00116"></a>00116         gc.DiscardFont();
00136 <a name="l00117"></a>00117         }
00137 <a name="l00118"></a>00118     <span class="keywordflow">else</span>
00138 <a name="l00119"></a>00119         {
00139 <a name="l00120"></a>00120         gc.Clear( rect );
00140 <a name="l00121"></a>00121         }
00141 <a name="l00122"></a>00122     }
00142 <a name="l00123"></a>00123 
00143 <a name="l00124"></a>00124 <span class="comment">// -----------------------------------------------------------------------------</span>
00144 <a name="l00125"></a>00125 <span class="comment">// CHelloWorldBasicAppView::SizeChanged()</span>
00145 <a name="l00126"></a>00126 <span class="comment">// Called by framework when the view size is changed.</span>
00146 <a name="l00127"></a>00127 <span class="comment">// -----------------------------------------------------------------------------</span>
00147 <a name="l00128"></a>00128 <span class="comment">//</span>
00148 <a name="l00129"></a><a class="code" href="class_c_hello_world_basic_app_view.html#9f9bb5a2110532e2f2909eaefb44d36a">00129</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_view.html#9f9bb5a2110532e2f2909eaefb44d36a">CHelloWorldBasicAppView::SizeChanged</a>()
00149 <a name="l00130"></a>00130     {
00150 <a name="l00131"></a>00131     }
00151 <a name="l00132"></a>00132 
00152 <a name="l00133"></a>00133 <span class="comment">// -----------------------------------------------------------------------------</span>
00153 <a name="l00134"></a>00134 <span class="comment">// CHelloWorldBasicAppView::GetText()</span>
00154 <a name="l00135"></a>00135 <span class="comment">// Called by AppUi to either set the text (via dialog) or zero the contents.</span>
00155 <a name="l00136"></a>00136 <span class="comment">// -----------------------------------------------------------------------------</span>
00156 <a name="l00137"></a>00137 <span class="comment">//</span>
00157 <a name="l00138"></a><a class="code" href="class_c_hello_world_basic_app_view.html#59cee462c5e06d883260d21037a3ebd7">00138</a> TDes &amp; <a class="code" href="class_c_hello_world_basic_app_view.html#59cee462c5e06d883260d21037a3ebd7">CHelloWorldBasicAppView::GetText</a>()
00158 <a name="l00139"></a>00139     {
00159 <a name="l00140"></a>00140     <span class="keywordflow">return</span> <a class="code" href="class_c_hello_world_basic_app_view.html#3acc54dfc6520e11f5c51f4cd887a7d0">iText</a>;
00160 <a name="l00141"></a>00141     }
00161 <a name="l00142"></a>00142 
00162 <a name="l00143"></a>00143 <span class="comment">// End of File</span>
00163 <a name="l00144"></a>00144 
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