Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_minimal_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/AppFramework/Apparc/Minimal/Minimal.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include "Minimal.h"</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keyword">const</span> TUid KUidMinimal = { 0xE800008B };
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// Called by the UI framework to get the application's UID</span>
<a name="l00023"></a>00023 TUid CExampleApplication::AppDllUid()<span class="keyword"> const</span>
<a name="l00024"></a>00024 <span class="keyword"> </span>{
<a name="l00025"></a>00025 <span class="keywordflow">return</span> KUidMinimal;
<a name="l00026"></a>00026 }
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">// Called by the UI framework at application start-up to</span>
<a name="l00029"></a>00029 <span class="comment">// create an instance of the document class.</span>
<a name="l00030"></a>00030 CApaDocument* CExampleApplication::CreateDocumentL()
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keywordflow">return</span> <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_example_document.html">CExampleDocument</a>(*<span class="keyword">this</span>);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">// Called by the UI framework to get the name of the resource file.</span>
<a name="l00036"></a>00036 <span class="comment">// This returns an empty filename as there is no resource file.</span>
<a name="l00037"></a>00037 TFileName CExampleApplication::ResourceFileName()<span class="keyword"> const</span>
<a name="l00038"></a>00038 <span class="keyword"> </span>{
<a name="l00039"></a>00039 <span class="keywordflow">return</span> TFileName();
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a>00042 CExampleDocument::CExampleDocument(CEikApplication& aApp)
<a name="l00043"></a>00043 : CEikDocument(aApp)
<a name="l00044"></a>00044 {}
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">// Called by the UI framework to construct</span>
<a name="l00047"></a>00047 <span class="comment">// the application UI class. Note that the app UI's</span>
<a name="l00048"></a>00048 <span class="comment">// ConstructL() is called by the UI framework.</span>
<a name="l00049"></a>00049 CEikAppUi* CExampleDocument::CreateAppUiL()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordflow">return</span> <span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_app_ui.html">CExampleAppUi</a>;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// Second phase constructor of the application UI class.</span>
<a name="l00055"></a>00055 <span class="comment">// It creates and owns a single view.</span>
<a name="l00056"></a>00056 <span class="keywordtype">void</span> CExampleAppUi::ConstructL()
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 BaseConstructL(ENoAppResourceFile | ENoScreenFurniture);
<a name="l00059"></a>00059 iAppView = CExampleAppView::NewL(ClientRect());
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">// The application UI class owns one view, and is responsible</span>
<a name="l00063"></a>00063 <span class="comment">// for destroying it.</span>
<a name="l00064"></a>00064 CExampleAppUi::~CExampleAppUi()
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keyword">delete</span> iAppView;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">// Called by the UI framework when a command has been issued.</span>
<a name="l00070"></a>00070 <span class="comment">// Minimally needs to handle the exit command.</span>
<a name="l00071"></a>00071 <span class="keywordtype">void</span> CExampleAppUi::HandleCommandL(TInt aCommand)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">switch</span> (aCommand)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="comment">// Exit the application.</span>
<a name="l00076"></a>00076 <span class="keywordflow">case</span> EEikCmdExit:
<a name="l00077"></a>00077 Exit();
<a name="l00078"></a>00078 <span class="keywordflow">break</span>;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 CExampleAppView::CExampleAppView()
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">// Static function wraps up two-phase construction for the view.</span>
<a name="l00087"></a>00087 <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>* CExampleAppView::NewL(<span class="keyword">const</span> TRect& aRect)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>* <span class="keyword">self</span> = <span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_app_view.html">CExampleAppView</a>();
<a name="l00090"></a>00090 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00091"></a>00091 <span class="keyword">self</span>->ConstructL(aRect);
<a name="l00092"></a>00092 CleanupStack::Pop();
<a name="l00093"></a>00093 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 CExampleAppView::~CExampleAppView()
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="comment">// Standard initialisation for a window-owning control.</span>
<a name="l00101"></a>00101 <span class="keywordtype">void</span> CExampleAppView::ConstructL(<span class="keyword">const</span> TRect& aRect)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="comment">// Create the window owned by the view.</span>
<a name="l00104"></a>00104 CreateWindowL();
<a name="l00105"></a>00105 <span class="comment">// Set the view's size and position.</span>
<a name="l00106"></a>00106 SetRect(aRect);
<a name="l00107"></a>00107 <span class="comment">// Activate the view.</span>
<a name="l00108"></a>00108 ActivateL();
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// Draws the view with a simple outline rectangle and then</span>
<a name="l00112"></a>00112 <span class="comment">// draws the welcome text centred.</span>
<a name="l00113"></a>00113 <span class="keywordtype">void</span> CExampleAppView::Draw(<span class="keyword">const</span> TRect& <span class="comment">/*aRect*/</span>)<span class="keyword"> const</span>
<a name="l00114"></a>00114 <span class="keyword"> </span>{
<a name="l00115"></a>00115 <span class="comment">// Use drawing parameters from the system graphics context.</span>
<a name="l00116"></a>00116 CWindowGc& gc = SystemGc();
<a name="l00117"></a>00117 TRect drawRect = Rect();
<a name="l00118"></a>00118 <span class="keyword">const</span> CFont* fontUsed;
<a name="l00119"></a>00119 gc.Clear();
<a name="l00120"></a>00120 drawRect.Shrink(10,10);
<a name="l00121"></a>00121 gc.DrawRect(drawRect);
<a name="l00122"></a>00122 fontUsed = iEikonEnv->TitleFont();
<a name="l00123"></a>00123 gc.UseFont(fontUsed);
<a name="l00124"></a>00124 TInt baselineOffset=(drawRect.Height())/2;
<a name="l00125"></a>00125 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KText,<span class="stringliteral">"Welcome to the minimal application example"</span>);
<a name="l00126"></a>00126 gc.DrawText(KText,drawRect,baselineOffset,CGraphicsContext::ECenter, 0);
<a name="l00127"></a>00127 gc.DiscardFont();
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
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