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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>focuseventappui.cpp Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"><tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a>S60 3rd Edition SDK FP1 for Symbian OS </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>focuseventappui.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 : focuseventappui.cpp</span><a name="l00004"></a>00004 <span class="comment">* Part of : Focus event example</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) 2004 - 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 <avkon.hrh></span><a name="l00018"></a>00018 <span class="preprocessor">#include <aknnotewrappers.h></span><a name="l00019"></a>00019 <span class="preprocessor">#include <stringloader.h></span><a name="l00020"></a>00020 <span class="preprocessor">#include <FocusEvent.rsg></span><a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="preprocessor">#include "FocusEvent.pan"</span><a name="l00023"></a>00023 <span class="preprocessor">#include "FocusEventAppUi.h"</span><a name="l00024"></a>00024 <span class="preprocessor">#include "FocusEventAppView.h"</span><a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="comment">// ============================ MEMBER FUNCTIONS ===============================</span><a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00029"></a>00029 <span class="comment">// CFocusEventAppUi::CFocusEventAppUi()</span><a name="l00030"></a>00030 <span class="comment">// C++ default constructor can NOT contain any code, that might leave.</span><a name="l00031"></a>00031 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00032"></a>00032 <span class="comment">//</span><a name="l00033"></a><a class="code" href="class_c_focus_event_app_ui.html#200ee3b36e56213ee1a3c193757fcfe9">00033</a> <a class="code" href="class_c_focus_event_app_ui.html#200ee3b36e56213ee1a3c193757fcfe9">CFocusEventAppUi::CFocusEventAppUi</a>()<a name="l00034"></a>00034 {<a name="l00035"></a>00035 <span class="comment">// No implementation required</span><a name="l00036"></a>00036 }<a name="l00037"></a>00037 <a name="l00038"></a>00038 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00039"></a>00039 <span class="comment">// CFocusEventAppUi::ConstructL()</span><a name="l00040"></a>00040 <span class="comment">// Symbian 2nd phase constructor can leave.</span><a name="l00041"></a>00041 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00042"></a>00042 <span class="comment">//</span><a name="l00043"></a><a class="code" href="class_c_focus_event_app_ui.html#9ce34ba0b947863222da3c63d0481044">00043</a> <span class="keywordtype">void</span> <a class="code" href="class_c_focus_event_app_ui.html#9ce34ba0b947863222da3c63d0481044">CFocusEventAppUi::ConstructL</a>()<a name="l00044"></a>00044 {<a name="l00045"></a>00045 BaseConstructL( EAknEnableSkin );<a name="l00046"></a>00046 <a name="l00047"></a>00047 <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> = <a class="code" href="class_c_focus_event_app_view.html#5891ab00f23b517058efe213c1febfd2">CFocusEventAppView::NewL</a>( ClientRect() );<a name="l00048"></a>00048 AddToStackL( <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> );<a name="l00049"></a>00049 }<a name="l00050"></a>00050 <a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00053"></a>00053 <span class="comment">// CFocusEventAppUi::~CFocusEventAppUi()</span><a name="l00054"></a>00054 <span class="comment">// Destructor.</span><a name="l00055"></a>00055 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00056"></a>00056 <span class="comment">//</span><a name="l00057"></a><a class="code" href="class_c_focus_event_app_ui.html#e6e1a0c6a31601eb0674658efa64e7fc">00057</a> <a class="code" href="class_c_focus_event_app_ui.html#e6e1a0c6a31601eb0674658efa64e7fc">CFocusEventAppUi::~CFocusEventAppUi</a>()<a name="l00058"></a>00058 {<a name="l00059"></a>00059 <span class="keywordflow">if</span> ( <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> )<a name="l00060"></a>00060 {<a name="l00061"></a>00061 iEikonEnv->RemoveFromStack( <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> );<a name="l00062"></a>00062 <span class="keyword">delete</span> iAppView;<a name="l00063"></a>00063 iAppView = NULL;<a name="l00064"></a>00064 }<a name="l00065"></a>00065 }<a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00068"></a>00068 <span class="comment">// CFocusEventAppUi::HandleCommandL()</span><a name="l00069"></a>00069 <span class="comment">// Takes care of key event handling.</span><a name="l00070"></a>00070 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00071"></a>00071 <span class="comment">//</span><a name="l00072"></a><a class="code" href="class_c_focus_event_app_ui.html#a682d228622cea7790645ce10f591242">00072</a> <span class="keywordtype">void</span> <a class="code" href="class_c_focus_event_app_ui.html#a682d228622cea7790645ce10f591242">CFocusEventAppUi::HandleCommandL</a>( TInt aCommand )<a name="l00073"></a>00073 {<a name="l00074"></a>00074 <span class="keywordflow">switch</span> ( aCommand )<a name="l00075"></a>00075 {<a name="l00076"></a>00076 <span class="keywordflow">case</span> EEikCmdExit:<a name="l00077"></a>00077 <span class="keywordflow">case</span> EAknSoftkeyExit:<a name="l00078"></a>00078 Exit();<a name="l00079"></a>00079 <span class="keywordflow">break</span>;<a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordflow">default</span>:<a name="l00082"></a>00082 Panic(EFocusEventBasicUi);<a name="l00083"></a>00083 <span class="keywordflow">break</span>;<a name="l00084"></a>00084 }<a name="l00085"></a>00085 }<a name="l00086"></a>00086 <a name="l00087"></a>00087 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00088"></a>00088 <span class="comment">// CFocusEventAppUi::HandleForegroundEventL()</span><a name="l00089"></a>00089 <span class="comment">// Displays message every time focus is gained or lost.</span><a name="l00090"></a>00090 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00091"></a>00091 <span class="comment">//</span><a name="l00092"></a><a class="code" href="class_c_focus_event_app_ui.html#a5d42e049d7c33367af550ae356b7f8d">00092</a> <span class="keywordtype">void</span> <a class="code" href="class_c_focus_event_app_ui.html#a5d42e049d7c33367af550ae356b7f8d">CFocusEventAppUi::HandleForegroundEventL</a>( TBool aForeground )<a name="l00093"></a>00093 {<a name="l00094"></a>00094 <span class="keywordflow">if</span> ( !aForeground ) <span class="comment">// Focus lost</span><a name="l00095"></a>00095 {<a name="l00096"></a>00096 <span class="comment">// Load a string from the resource file.</span><a name="l00097"></a>00097 HBufC* lostFocusMessage = StringLoader::LoadLC<a name="l00098"></a>00098 ( R_FOCU_LOST_FOCUS_TEXT );<a name="l00099"></a>00099 #ifdef __WINS__<a name="l00100"></a>00100 User::InfoPrint( *lostFocusMessage );<a name="l00101"></a>00101 <span class="preprocessor">#endif </span><span class="comment">/* __WINS__ */</span><a name="l00102"></a>00102 <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_focus_event_app_view.html#cb774d5077102fc3c5dbdb7df1261389">Print</a>( *lostFocusMessage );<a name="l00103"></a>00103 <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_focus_event_app_view.html#07d5ce838d6f875de7f10db4e60a0f6a">PrintNewLineL</a>();<a name="l00104"></a>00104 <span class="comment">// Pop HBuf from CleanupStack and destroy it.</span><a name="l00105"></a>00105 CleanupStack::PopAndDestroy( lostFocusMessage );<a name="l00106"></a>00106 }<a name="l00107"></a>00107 <span class="keywordflow">else</span> <span class="comment">// Focus gained</span><a name="l00108"></a>00108 {<a name="l00109"></a>00109 <span class="comment">// Load a string from the resource file.</span><a name="l00110"></a>00110 HBufC* gainedFocusMessage = StringLoader::LoadLC<a name="l00111"></a>00111 ( R_FOCU_GAINED_FOCUS_TEXT );<a name="l00112"></a>00112 #ifdef __WINS__<a name="l00113"></a>00113 User::InfoPrint( *gainedFocusMessage );<a name="l00114"></a>00114 <span class="preprocessor">#endif </span><span class="comment">/* __WINS__ */</span><a name="l00115"></a>00115 <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_focus_event_app_view.html#cb774d5077102fc3c5dbdb7df1261389">Print</a>( *gainedFocusMessage );<a name="l00116"></a>00116 <a class="code" href="class_c_focus_event_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_focus_event_app_view.html#07d5ce838d6f875de7f10db4e60a0f6a">PrintNewLineL</a>();<a name="l00117"></a>00117 <span class="comment">// Pop HBuf from CleanupStack and Destroy it.</span><a name="l00118"></a>00118 CleanupStack::PopAndDestroy( gainedFocusMessage );<a name="l00119"></a>00119 }<a name="l00120"></a>00120 <a name="l00121"></a>00121 CAknAppUi::HandleForegroundEventL( aForeground );<a name="l00122"></a>00122 }<a name="l00123"></a>00123 <a name="l00124"></a>00124 <span class="comment">// End of File</span></pre></div><hr><table x-use-null-cells style="x-cell-content-align: top; width: 100%; border-spacing: 0px; border-spacing: 0px;" cellspacing=0 width=100%> <col style="width: 50%;"> <col style="width: 50%;"> <tr style="x-cell-content-align: top;" valign=top> <td style="width: 50%; padding-right: 10px; padding-left: 10px; border-right-style: None; border-left-style: None; border-top-style: None; border-bottom-style: None;" width=50%> <p style="font-family: Arial;"><small style="font-size: smaller;">⌨️ 快捷键说明
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