Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/txtshell_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/txtshell/txtshell.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 1997-2009 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 <span class="preprocessor">#include <e32keys.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <coemain.h></span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <eikenv.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <eikdef.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <eikon.hrh></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <eiklabel.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <eikstart.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <txtshell.rsg></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "txtshell.hrh"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "txtshell.h"</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">// TExampleShellModel</span>
<a name="l00032"></a>00032 <span class="comment">//</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 TExampleShellModel::TExampleShellModel()
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 iLibrary=KNullDesC;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 TBool TExampleShellModel::Differs(<span class="keyword">const</span> <a class="code" href="class_t_example_shell_model.html">TExampleShellModel</a>* aCompare)<span class="keyword"> const</span>
<a name="l00040"></a>00040 <span class="keyword"> </span>{
<a name="l00041"></a>00041 <span class="keywordflow">return</span>((*(TInt32*)<span class="keyword">this</span>)!=(*(TInt32*)aCompare));
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">//</span>
<a name="l00045"></a>00045 <span class="comment">// class CExampleShellContainer</span>
<a name="l00046"></a>00046 <span class="comment">//</span>
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keywordtype">void</span> CExampleShellContainer::ConstructL(<span class="keyword">const</span> TRect& aRect, <a class="code" href="class_t_example_shell_model.html">TExampleShellModel</a>* aModel)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 iModel=aModel;
<a name="l00051"></a>00051 CreateWindowL();
<a name="l00052"></a>00052 Window().SetShadowDisabled(ETrue);
<a name="l00053"></a>00053 iContext=<span class="keyword">this</span>;
<a name="l00054"></a>00054 iBrushStyle=CGraphicsContext::ESolidBrush;
<a name="l00055"></a>00055 iBrushColor=KRgbWhite;
<a name="l00056"></a>00056 SetRect(aRect);
<a name="l00057"></a>00057 CreateLabelL();
<a name="l00058"></a>00058 ActivateL();
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061 CExampleShellContainer::~CExampleShellContainer()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keyword">delete</span> iExampleControl;
<a name="l00064"></a>00064 <span class="keyword">delete</span> iLabel;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 TInt CExampleShellContainer::CountComponentControls()<span class="keyword"> const</span>
<a name="l00068"></a>00068 <span class="keyword"> </span>{
<a name="l00069"></a>00069 <span class="keywordflow">return</span> 1 + (iExampleControl ? 1 : 0);
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 CCoeControl* CExampleShellContainer::ComponentControl(TInt aIndex)<span class="keyword"> const</span>
<a name="l00073"></a>00073 <span class="keyword"> </span>{
<a name="l00074"></a>00074 <span class="keywordflow">switch</span> (aIndex)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> iLabel;
<a name="l00077"></a>00077 <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> iExampleControl;
<a name="l00078"></a>00078 <span class="keywordflow">default</span>: <span class="keywordflow">return</span> 0;
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">const</span> TInt KLabelHeight=20;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordtype">void</span> CExampleShellContainer::CreateLabelL()
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 iLabel=<span class="keyword">new</span> (ELeave) CEikLabel;
<a name="l00087"></a>00087 TRect rect=Rect();
<a name="l00088"></a>00088 rect.iTl.iY=rect.iBr.iY-KLabelHeight; <span class="comment">// make it bottom 20 pixels</span>
<a name="l00089"></a>00089 iLabel->SetContainerWindowL(*<span class="keyword">this</span>);
<a name="l00090"></a>00090 iLabel->SetRect(rect);
<a name="l00091"></a>00091 iLabel->SetAlignment(EHCenterVCenter); <span class="comment">// center text</span>
<a name="l00092"></a>00092 iLabel->SetBufferReserveLengthL(200); <span class="comment">// nice long buffer</span>
<a name="l00093"></a>00093 iLabel->SetFont(iEikonEnv->AnnotationFont());
<a name="l00094"></a>00094 iLabel->ActivateL(); <span class="comment">// now ready</span>
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordtype">void</span> CExampleShellContainer::ResetExampleL(<a class="code" href="class_c_graphic_example_control.html">CGraphicExampleControl</a>* aExample)
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 <span class="comment">// get rid of old control</span>
<a name="l00100"></a>00100 <span class="keyword">delete</span> iExampleControl;
<a name="l00101"></a>00101 <span class="comment">// set up new one</span>
<a name="l00102"></a>00102 iExampleControl=aExample;
<a name="l00103"></a>00103 <span class="comment">// if non-zero, then carry on</span>
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (!iExampleControl) <span class="keywordflow">return</span>;
<a name="l00105"></a>00105 TRect rect=Rect(); <span class="comment">// get our rect</span>
<a name="l00106"></a>00106 rect.iBr.iY-=KLabelHeight; <span class="comment">// make way for label</span>
<a name="l00107"></a>00107 rect.Shrink(2,2); <span class="comment">// shrink it a bit</span>
<a name="l00108"></a>00108 iExampleControl->ConstructL(rect,<span class="keyword">this</span>,*<span class="keyword">this</span>); <span class="comment">// construct, giving rect, observer, and parent</span>
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">void</span> CExampleShellContainer::NotifyGraphicExampleFinished()
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KStatus,<span class="stringliteral">"example finished"</span>);
<a name="l00114"></a>00114 NotifyStatus(KStatus);
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordtype">void</span> CExampleShellContainer::NotifyStatus(<span class="keyword">const</span> TDesC& aMessage)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 TRAPD(err,iLabel->SetTextL(aMessage));
<a name="l00120"></a>00120 <span class="keywordflow">if</span>(err)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordflow">return</span>;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (IsActivated()) iLabel->DrawNow();
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 TKeyResponse CExampleShellContainer::OfferKeyEventL(<span class="keyword">const</span> TKeyEvent& aKeyEvent,TEventCode aType)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (iExampleControl)
<a name="l00130"></a>00130 <span class="keywordflow">return</span> iExampleControl->OfferKeyEventL(aKeyEvent,aType);
<a name="l00131"></a>00131 <span class="keywordflow">else</span>
<a name="l00132"></a>00132 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> CExampleShellContainer::Draw(<span class="keyword">const</span> TRect& <span class="comment">/*aRect*/</span>)<span class="keyword"> const</span>
<a name="l00136"></a>00136 <span class="keyword"> </span>{
<a name="l00137"></a>00137 CWindowGc& gc = SystemGc();
<a name="l00138"></a>00138 gc.SetPenStyle(CGraphicsContext::ENullPen);
<a name="l00139"></a>00139 gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
<a name="l00140"></a>00140 gc.DrawRect(Rect());
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">//</span>
<a name="l00144"></a>00144 <span class="comment">// CExampleShellAppUi</span>
<a name="l00145"></a>00145 <span class="comment">//</span>
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordtype">void</span> CExampleShellAppUi::ConstructL()
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KStatus,<span class="stringliteral">"initialized"</span>);
<a name="l00150"></a>00150 BaseConstructL();
<a name="l00151"></a>00151 iModel=((<a class="code" href="class_c_example_shell_document.html">CExampleShellDocument</a>*)iDocument)->Model();
<a name="l00152"></a>00152 iContainer=<span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_shell_container.html">CExampleShellContainer</a>;
<a name="l00153"></a>00153 iContainer->ConstructL(ClientRect(),iModel);
<a name="l00154"></a>00154 iContainer->NotifyStatus(KStatus);
<a name="l00155"></a>00155 <span class="comment">// add container to stack; enables key event handling.</span>
<a name="l00156"></a>00156 AddToStackL(iContainer);
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordtype">void</span> CExampleShellAppUi::HandleCommandL(TInt aCommand)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">switch</span> (aCommand)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="keywordflow">case</span> EExampleShellSelectGlobal:
<a name="l00164"></a>00164 iContainer->ResetExampleL(<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_global_control.html">CGlobalControl</a>);
<a name="l00165"></a>00165 <span class="keywordflow">return</span>;
<a name="l00166"></a>00166 <span class="keywordflow">case</span> EExampleShellSelectRich:
<a name="l00167"></a>00167 iContainer->ResetExampleL(<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_rich_control.html">CRichControl</a>);
<a name="l00168"></a>00168 <span class="keywordflow">return</span>;
<a name="l00169"></a>00169 <span class="keywordflow">case</span> EExampleShellSelectStyled:
<a name="l00170"></a>00170 iContainer->ResetExampleL(<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_style_control.html">CStyleControl</a>);
<a name="l00171"></a>00171 <span class="keywordflow">return</span>;
<a name="l00172"></a>00172 <span class="keywordflow">case</span> EExampleShellSelectView:
<a name="l00173"></a>00173 iContainer->ResetExampleL(<span class="keyword">new</span> (ELeave) <a class="code" href="class_c_view_control.html">CViewControl</a>);
<a name="l00174"></a>00174 <span class="keywordflow">return</span>;
<a name="l00175"></a>00175 <span class="keywordflow">case</span> EEikCmdExit:
<a name="l00176"></a>00176 Exit();
<a name="l00177"></a>00177 <span class="keywordflow">return</span>;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 CExampleShellAppUi::~CExampleShellAppUi()
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 RemoveFromStack(iContainer);
<a name="l00184"></a>00184 <span class="keyword">delete</span> iContainer;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="comment">//</span>
<a name="l00188"></a>00188 <span class="comment">// CExampleShellDocument</span>
<a name="l00189"></a>00189 <span class="comment">//</span>
<a name="l00190"></a>00190
<a name="l00191"></a>00191 CEikAppUi* CExampleShellDocument::CreateAppUiL()
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 <span class="keywordflow">return</span>(<span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_shell_app_ui.html">CExampleShellAppUi</a>);
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="comment">//</span>
<a name="l00197"></a>00197 <span class="comment">// CExampleShellApplication</span>
<a name="l00198"></a>00198 <span class="comment">//</span>
<a name="l00199"></a>00199
<a name="l00200"></a>00200 TUid CExampleShellApplication::AppDllUid()<span class="keyword"> const</span>
<a name="l00201"></a>00201 <span class="keyword"> </span>{
<a name="l00202"></a>00202 <span class="keywordflow">return</span> KUidExampleShellApp;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 CApaDocument* CExampleShellApplication::CreateDocumentL()
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordflow">return</span> <span class="keyword">new</span>(ELeave) <a class="code" href="class_c_example_shell_document.html">CExampleShellDocument</a>(*<span class="keyword">this</span>);
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210 LOCAL_C CApaApplication* NewApplication()
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_c_example_shell_application.html">CExampleShellApplication</a>;
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 GLDEF_C TInt E32Main()
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 <span class="keywordflow">return</span> EikStart::RunApplication(NewApplication);
<a name="l00218"></a>00218 }
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