source: trunk/doc/html/addressbook-example.html

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[190]1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/addressbook/addressbook.doc:4 -->
3<html>
4<head>
5<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
6<title>Simple Addressbook</title>
7<style type="text/css"><!--
8fn { margin-left: 1cm; text-indent: -1cm; }
9a:link { color: #004faf; text-decoration: none }
10a:visited { color: #672967; text-decoration: none }
11body { background: #ffffff; color: black; }
12--></style>
13</head>
14<body>
15
16<table border="0" cellpadding="0" cellspacing="0" width="100%">
17<tr bgcolor="#E5E5E5">
18<td valign=center>
19 <a href="index.html">
20<font color="#004faf">Home</font></a>
21 | <a href="classes.html">
22<font color="#004faf">All&nbsp;Classes</font></a>
23 | <a href="mainclasses.html">
24<font color="#004faf">Main&nbsp;Classes</font></a>
25 | <a href="annotated.html">
26<font color="#004faf">Annotated</font></a>
27 | <a href="groups.html">
28<font color="#004faf">Grouped&nbsp;Classes</font></a>
29 | <a href="functions.html">
30<font color="#004faf">Functions</font></a>
31</td>
32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Simple Addressbook</h1>
33
34
35<p>
36This examples shows how to write a very simple, but complete application
37using an addressbook as the example.
38<p> <hr>
39<p> Header file of the mainwindow:
40<p> <pre>/****************************************************************************
41** $Id: addressbook-example.html 2051 2007-02-21 10:04:20Z chehrlic $
42**
43** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
44**
45** This file is part of an example program for Qt. This example
46** program may be used, distributed and modified without limitation.
47**
48*****************************************************************************/
49
50#ifndef AB_MAINWINDOW_H
51#define AB_MAINWINDOW_H
52
53#include &lt;<a href="qmainwindow-h.html">qmainwindow.h</a>&gt;
54#include &lt;<a href="qstring-h.html">qstring.h</a>&gt;
55
56class QToolBar;
57class QPopupMenu;
58class ABCentralWidget;
59
60class ABMainWindow: public <a href="qmainwindow.html">QMainWindow</a>
61{
62 <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
63
64public:
65 ABMainWindow();
66 ~ABMainWindow();
67
68protected slots:
69 void fileNew();
70 void fileOpen();
71 void fileSave();
72 void fileSaveAs();
73 void filePrint();
74 void closeWindow();
75
76protected:
77 void setupMenuBar();
78 void setupFileTools();
79 void setupStatusBar();
80 void setupCentralWidget();
81
82 <a href="qtoolbar.html">QToolBar</a> *fileTools;
83 <a href="qstring.html">QString</a> filename;
84 ABCentralWidget *view;
85
86};
87
88
89#endif
90</pre>
91
92<p> <hr>
93<p> Implementation of the mainwindow:
94<p> <pre>/****************************************************************************
95** $Id: addressbook-example.html 2051 2007-02-21 10:04:20Z chehrlic $
96**
97** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
98**
99** This file is part of an example program for Qt. This example
100** program may be used, distributed and modified without limitation.
101**
102*****************************************************************************/
103
104#include "mainwindow.h"
105#include "centralwidget.h"
106
107#include &lt;<a href="qtoolbar-h.html">qtoolbar.h</a>&gt;
108#include &lt;<a href="qtoolbutton-h.html">qtoolbutton.h</a>&gt;
109#include &lt;<a href="qpopupmenu-h.html">qpopupmenu.h</a>&gt;
110#include &lt;<a href="qmenubar-h.html">qmenubar.h</a>&gt;
111#include &lt;<a href="qstatusbar-h.html">qstatusbar.h</a>&gt;
112#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
113#include &lt;<a href="qfiledialog-h.html">qfiledialog.h</a>&gt;
114
115<a name="f263"></a>ABMainWindow::ABMainWindow()
116 : <a href="qmainwindow.html">QMainWindow</a>( 0, "example addressbook application" ),
117 filename( <a href="qstring.html#QString-null">QString::null</a> )
118{
119 setupMenuBar();
120 setupFileTools();
121 setupStatusBar();
122 setupCentralWidget();
123}
124
125
126ABMainWindow::~ABMainWindow()
127{
128}
129
130void <a name="f264"></a>ABMainWindow::setupMenuBar()
131{
132 <a href="qpopupmenu.html">QPopupMenu</a> *file = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
133 <a href="qmainwindow.html#menuBar">menuBar</a>()-&gt;insertItem( "&amp;File", file );
134
135<a name="x569"></a> file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "New", this, SLOT( fileNew() ), CTRL + Key_N );
136 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "fileopen.xpm" ), "Open", this, SLOT( fileOpen() ), CTRL + Key_O );
137<a name="x570"></a> file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
138 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "filesave.xpm" ), "Save", this, SLOT( fileSave() ), CTRL + Key_S );
139 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Save As...", this, SLOT( fileSaveAs() ) );
140 file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
141 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "fileprint.xpm" ), "Print...", this, SLOT( filePrint() ), CTRL + Key_P );
142 file-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
143 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Close", this, SLOT( closeWindow() ), CTRL + Key_W );
144 file-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "Quit", qApp, SLOT( <a href="qapplication.html#quit">quit</a>() ), CTRL + Key_Q );
145}
146
147void <a name="f265"></a>ABMainWindow::setupFileTools()
148{
149 //fileTools = new <a href="qtoolbar.html">QToolBar</a>( this, "file operations" );
150}
151
152void <a name="f266"></a>ABMainWindow::setupStatusBar()
153{
154 //statusBar()-&gt;message( "Ready", 2000 );
155}
156
157void <a name="f267"></a>ABMainWindow::setupCentralWidget()
158{
159 view = new ABCentralWidget( this );
160 <a href="qmainwindow.html#setCentralWidget">setCentralWidget</a>( view );
161}
162
163void <a name="f268"></a>ABMainWindow::closeWindow()
164{
165 <a href="qwidget.html#close">close</a>();
166}
167
168void <a name="f269"></a>ABMainWindow::fileNew()
169{
170}
171
172void <a name="f270"></a>ABMainWindow::fileOpen()
173{
174<a name="x567"></a> <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>( QString::null, QString::null, this );
175<a name="x571"></a> if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() ) {
176 filename = fn;
177 view-&gt;load( filename );
178 }
179}
180
181void <a name="f271"></a>ABMainWindow::fileSave()
182{
183 if ( filename.isEmpty() ) {
184 fileSaveAs();
185 return;
186 }
187
188 view-&gt;save( filename );
189}
190
191void <a name="f272"></a>ABMainWindow::fileSaveAs()
192{
193<a name="x568"></a> <a href="qstring.html">QString</a> fn = QFileDialog::<a href="qfiledialog.html#getSaveFileName">getSaveFileName</a>( QString::null, QString::null, this );
194 if ( !fn.<a href="qstring.html#isEmpty">isEmpty</a>() ) {
195 filename = fn;
196 fileSave();
197 }
198}
199
200void <a name="f273"></a>ABMainWindow::filePrint()
201{
202}
203</pre>
204
205<p> <hr>
206<p> Header file of the centralwidget:
207<p> <pre>/****************************************************************************
208** $Id: addressbook-example.html 2051 2007-02-21 10:04:20Z chehrlic $
209**
210** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
211**
212** This file is part of an example program for Qt. This example
213** program may be used, distributed and modified without limitation.
214**
215*****************************************************************************/
216
217#ifndef AB_CENTRALWIDGET_H
218#define AB_CENTRALWIDGET_H
219
220#include &lt;<a href="qwidget-h.html">qwidget.h</a>&gt;
221#include &lt;<a href="qstring-h.html">qstring.h</a>&gt;
222
223class QTabWidget;
224class QListView;
225class QGridLayout;
226class QLineEdit;
227class QPushButton;
228class QListViewItem;
229class QCheckBox;
230
231class ABCentralWidget : public <a href="qwidget.html">QWidget</a>
232{
233 Q_OBJECT
234
235public:
236 ABCentralWidget( <a href="qwidget.html">QWidget</a> *parent, const char *name = 0 );
237
238 void save( const <a href="qstring.html">QString</a> &amp;filename );
239 void load( const <a href="qstring.html">QString</a> &amp;filename );
240
241protected slots:
242 void addEntry();
243 void changeEntry();
244 void itemSelected( <a href="qlistviewitem.html">QListViewItem</a>* );
245 void selectionChanged();
246 void toggleFirstName();
247 void toggleLastName();
248 void toggleAddress();
249 void toggleEMail();
250 void findEntries();
251
252protected:
253 void setupTabWidget();
254 void setupListView();
255
256 <a href="qgridlayout.html">QGridLayout</a> *mainGrid;
257 <a href="qtabwidget.html">QTabWidget</a> *tabWidget;
258 <a href="qlistview.html">QListView</a> *listView;
259 <a href="qpushbutton.html">QPushButton</a> *add, *change, *find;
260 <a href="qlineedit.html">QLineEdit</a> *iFirstName, *iLastName, *iAddress, *iEMail,
261 *sFirstName, *sLastName, *sAddress, *sEMail;
262 <a href="qcheckbox.html">QCheckBox</a> *cFirstName, *cLastName, *cAddress, *cEMail;
263
264};
265
266#endif
267</pre>
268
269<p> <hr>
270<p> Implementation of the centralwidget:
271<p> <pre>/****************************************************************************
272** $Id: addressbook-example.html 2051 2007-02-21 10:04:20Z chehrlic $
273**
274** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
275**
276** This file is part of an example program for Qt. This example
277** program may be used, distributed and modified without limitation.
278**
279*****************************************************************************/
280
281#include "centralwidget.h"
282
283#include &lt;<a href="qtabwidget-h.html">qtabwidget.h</a>&gt;
284#include &lt;<a href="qlistview-h.html">qlistview.h</a>&gt;
285#include &lt;<a href="qlayout-h.html">qlayout.h</a>&gt;
286#include &lt;<a href="qwidget-h.html">qwidget.h</a>&gt;
287#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
288#include &lt;<a href="qpushbutton-h.html">qpushbutton.h</a>&gt;
289#include &lt;<a href="qlineedit-h.html">qlineedit.h</a>&gt;
290#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
291#include &lt;<a href="qcheckbox-h.html">qcheckbox.h</a>&gt;
292#include &lt;<a href="qfile-h.html">qfile.h</a>&gt;
293#include &lt;<a href="qtextstream-h.html">qtextstream.h</a>&gt;
294
295<a name="f274"></a>ABCentralWidget::ABCentralWidget( <a href="qwidget.html">QWidget</a> *parent, const char *name )
296 : <a href="qwidget.html">QWidget</a>( parent, name )
297{
298 mainGrid = new <a href="qgridlayout.html">QGridLayout</a>( this, 2, 1, 5, 5 );
299
300 setupTabWidget();
301 setupListView();
302
303<a name="x579"></a> mainGrid-&gt;<a href="qgridlayout.html#setRowStretch">setRowStretch</a>( 0, 0 );
304 mainGrid-&gt;<a href="qgridlayout.html#setRowStretch">setRowStretch</a>( 1, 1 );
305}
306
307void <a name="f275"></a>ABCentralWidget::save( const <a href="qstring.html">QString</a> &amp;filename )
308{
309<a name="x590"></a> if ( !listView-&gt;<a href="qlistview.html#firstChild">firstChild</a>() )
310 return;
311
312 <a href="qfile.html">QFile</a> f( filename );
313 if ( !f.<a href="qfile.html#open">open</a>( <a href="qfile.html#open">IO_WriteOnly</a> ) )
314 return;
315
316 <a href="qtextstream.html">QTextStream</a> t( &amp;f );
317<a name="x603"></a> t.<a href="qtextstream.html#setEncoding">setEncoding</a>(QTextStream::UnicodeUTF8);
318
319 <a href="qlistviewitemiterator.html">QListViewItemIterator</a> it( listView );
320
321<a name="x597"></a> for ( ; it.<a href="qlistviewitemiterator.html#current">current</a>(); ++it )
322 for ( unsigned int i = 0; i &lt; 4; i++ )
323 t &lt;&lt; it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;text( i ) &lt;&lt; "\n";
324
325 f.<a href="qfile.html#close">close</a>();
326}
327
328void <a name="f276"></a>ABCentralWidget::load( const <a href="qstring.html">QString</a> &amp;filename )
329{
330<a name="x586"></a> listView-&gt;<a href="qlistview.html#clear">clear</a>();
331
332 <a href="qfile.html">QFile</a> f( filename );
333 if ( !f.<a href="qfile.html#open">open</a>( <a href="qfile.html#open">IO_ReadOnly</a> ) )
334 return;
335
336 <a href="qtextstream.html">QTextStream</a> t( &amp;f );
337 t.<a href="qtextstream.html#setEncoding">setEncoding</a>(QTextStream::UnicodeUTF8);
338
339<a name="x601"></a> while ( !t.<a href="qtextstream.html#atEnd">atEnd</a>() ) {
340 <a href="qlistviewitem.html">QListViewItem</a> *item = new <a href="qlistviewitem.html">QListViewItem</a>( listView );
341 for ( unsigned int i = 0; i &lt; 4; i++ )
342<a name="x602"></a><a name="x595"></a> item-&gt;<a href="qlistviewitem.html#setText">setText</a>( i, t.<a href="qtextstream.html#readLine">readLine</a>() );
343 }
344
345 f.<a href="qfile.html#close">close</a>();
346}
347
348void <a name="f277"></a>ABCentralWidget::setupTabWidget()
349{
350 tabWidget = new <a href="qtabwidget.html">QTabWidget</a>( this );
351
352 <a href="qwidget.html">QWidget</a> *input = new <a href="qwidget.html">QWidget</a>( tabWidget );
353 <a href="qgridlayout.html">QGridLayout</a> *grid1 = new <a href="qgridlayout.html">QGridLayout</a>( input, 2, 5, 5, 5 );
354
355 <a href="qlabel.html">QLabel</a> *liFirstName = new <a href="qlabel.html">QLabel</a>( "First &amp;Name", input );
356<a name="x604"></a><a name="x581"></a> liFirstName-&gt;<a href="qwidget.html#resize">resize</a>( liFirstName-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
357<a name="x578"></a> grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( liFirstName, 0, 0 );
358
359 <a href="qlabel.html">QLabel</a> *liLastName = new <a href="qlabel.html">QLabel</a>( "&amp;Last Name", input );
360 liLastName-&gt;<a href="qwidget.html#resize">resize</a>( liLastName-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
361 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( liLastName, 0, 1 );
362
363 <a href="qlabel.html">QLabel</a> *liAddress = new <a href="qlabel.html">QLabel</a>( "Add&amp;ress", input );
364 liAddress-&gt;<a href="qwidget.html#resize">resize</a>( liAddress-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
365 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( liAddress, 0, 2 );
366
367 <a href="qlabel.html">QLabel</a> *liEMail = new <a href="qlabel.html">QLabel</a>( "&amp;E-Mail", input );
368 liEMail-&gt;<a href="qwidget.html#resize">resize</a>( liEMail-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
369 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( liEMail, 0, 3 );
370
371 add = new <a href="qpushbutton.html">QPushButton</a>( "A&amp;dd", input );
372<a name="x599"></a><a name="x598"></a> add-&gt;<a href="qwidget.html#resize">resize</a>( add-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
373 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( add, 0, 4 );
374 <a href="qobject.html#connect">connect</a>( add, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( addEntry() ) );
375
376 iFirstName = new <a href="qlineedit.html">QLineEdit</a>( input );
377<a name="x583"></a> iFirstName-&gt;<a href="qwidget.html#resize">resize</a>( iFirstName-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
378 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( iFirstName, 1, 0 );
379<a name="x580"></a> liFirstName-&gt;<a href="qlabel.html#setBuddy">setBuddy</a>( iFirstName );
380
381 iLastName = new <a href="qlineedit.html">QLineEdit</a>( input );
382 iLastName-&gt;<a href="qwidget.html#resize">resize</a>( iLastName-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
383 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( iLastName, 1, 1 );
384 liLastName-&gt;<a href="qlabel.html#setBuddy">setBuddy</a>( iLastName );
385
386 iAddress = new <a href="qlineedit.html">QLineEdit</a>( input );
387 iAddress-&gt;<a href="qwidget.html#resize">resize</a>( iAddress-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
388 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( iAddress, 1, 2 );
389 liAddress-&gt;<a href="qlabel.html#setBuddy">setBuddy</a>( iAddress );
390
391 iEMail = new <a href="qlineedit.html">QLineEdit</a>( input );
392 iEMail-&gt;<a href="qwidget.html#resize">resize</a>( iEMail-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
393 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( iEMail, 1, 3 );
394 liEMail-&gt;<a href="qlabel.html#setBuddy">setBuddy</a>( iEMail );
395
396 change = new <a href="qpushbutton.html">QPushButton</a>( "&amp;Change", input );
397 change-&gt;<a href="qwidget.html#resize">resize</a>( change-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
398 grid1-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( change, 1, 4 );
399 <a href="qobject.html#connect">connect</a>( change, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( changeEntry() ) );
400
401<a name="x600"></a> tabWidget-&gt;<a href="qtabwidget.html#addTab">addTab</a>( input, "&amp;Add/Change Entry" );
402
403 // --------------------------------------
404
405 <a href="qwidget.html">QWidget</a> *search = new <a href="qwidget.html">QWidget</a>( this );
406 <a href="qgridlayout.html">QGridLayout</a> *grid2 = new <a href="qgridlayout.html">QGridLayout</a>( search, 2, 5, 5, 5 );
407
408 cFirstName = new <a href="qcheckbox.html">QCheckBox</a>( "First &amp;Name", search );
409<a name="x575"></a> cFirstName-&gt;<a href="qwidget.html#resize">resize</a>( cFirstName-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
410 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cFirstName, 0, 0 );
411 <a href="qobject.html#connect">connect</a>( cFirstName, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( toggleFirstName() ) );
412
413 cLastName = new <a href="qcheckbox.html">QCheckBox</a>( "&amp;Last Name", search );
414 cLastName-&gt;<a href="qwidget.html#resize">resize</a>( cLastName-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
415 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cLastName, 0, 1 );
416 <a href="qobject.html#connect">connect</a>( cLastName, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( toggleLastName() ) );
417
418 cAddress = new <a href="qcheckbox.html">QCheckBox</a>( "Add&amp;ress", search );
419 cAddress-&gt;<a href="qwidget.html#resize">resize</a>( cAddress-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
420 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cAddress, 0, 2 );
421 <a href="qobject.html#connect">connect</a>( cAddress, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( toggleAddress() ) );
422
423 cEMail = new <a href="qcheckbox.html">QCheckBox</a>( "&amp;E-Mail", search );
424 cEMail-&gt;<a href="qwidget.html#resize">resize</a>( cEMail-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
425 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cEMail, 0, 3 );
426 <a href="qobject.html#connect">connect</a>( cEMail, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( toggleEMail() ) );
427
428 sFirstName = new <a href="qlineedit.html">QLineEdit</a>( search );
429 sFirstName-&gt;<a href="qwidget.html#resize">resize</a>( sFirstName-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
430 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( sFirstName, 1, 0 );
431
432 sLastName = new <a href="qlineedit.html">QLineEdit</a>( search );
433 sLastName-&gt;<a href="qwidget.html#resize">resize</a>( sLastName-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
434 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( sLastName, 1, 1 );
435
436 sAddress = new <a href="qlineedit.html">QLineEdit</a>( search );
437 sAddress-&gt;<a href="qwidget.html#resize">resize</a>( sAddress-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
438 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( sAddress, 1, 2 );
439
440 sEMail = new <a href="qlineedit.html">QLineEdit</a>( search );
441 sEMail-&gt;<a href="qwidget.html#resize">resize</a>( sEMail-&gt;<a href="qlineedit.html#sizeHint">sizeHint</a>() );
442 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( sEMail, 1, 3 );
443
444 find = new <a href="qpushbutton.html">QPushButton</a>( "F&amp;ind", search );
445 find-&gt;<a href="qwidget.html#resize">resize</a>( find-&gt;<a href="qwidget.html#sizeHint">sizeHint</a>() );
446 grid2-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( find, 1, 4 );
447 <a href="qobject.html#connect">connect</a>( find, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( findEntries() ) );
448
449<a name="x574"></a> cFirstName-&gt;<a href="qcheckbox.html#setChecked">setChecked</a>( TRUE );
450<a name="x605"></a> sFirstName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
451 sLastName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
452 sAddress-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
453 sEMail-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
454
455 tabWidget-&gt;<a href="qtabwidget.html#addTab">addTab</a>( search, "&amp;Search" );
456
457 mainGrid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( tabWidget, 0, 0 );
458}
459
460void <a name="f278"></a>ABCentralWidget::setupListView()
461{
462 listView = new <a href="qlistview.html">QListView</a>( this );
463<a name="x585"></a> listView-&gt;<a href="qlistview.html#addColumn">addColumn</a>( "First Name" );
464 listView-&gt;<a href="qlistview.html#addColumn">addColumn</a>( "Last Name" );
465 listView-&gt;<a href="qlistview.html#addColumn">addColumn</a>( "Address" );
466 listView-&gt;<a href="qlistview.html#addColumn">addColumn</a>( "E-Mail" );
467
468<a name="x592"></a> listView-&gt;<a href="qlistview.html#setSelectionMode">setSelectionMode</a>( QListView::Single );
469
470<a name="x588"></a> <a href="qobject.html#connect">connect</a>( listView, SIGNAL( <a href="qlistview.html#clicked">clicked</a>( <a href="qlistviewitem.html">QListViewItem</a>* ) ), this, SLOT( itemSelected( <a href="qlistviewitem.html">QListViewItem</a>* ) ) );
471
472 mainGrid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( listView, 1, 0 );
473<a name="x591"></a> listView-&gt;<a href="qlistview.html#setAllColumnsShowFocus">setAllColumnsShowFocus</a>( TRUE );
474}
475
476void <a name="f279"></a>ABCentralWidget::addEntry()
477{
478<a name="x584"></a> if ( !iFirstName-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() || !iLastName-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() ||
479 !iAddress-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() || !iEMail-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() ) {
480 <a href="qlistviewitem.html">QListViewItem</a> *item = new <a href="qlistviewitem.html">QListViewItem</a>( listView );
481 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 0, iFirstName-&gt;<a href="qlineedit.html#text">text</a>() );
482 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 1, iLastName-&gt;<a href="qlineedit.html#text">text</a>() );
483 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 2, iAddress-&gt;<a href="qlineedit.html#text">text</a>() );
484 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 3, iEMail-&gt;<a href="qlineedit.html#text">text</a>() );
485 }
486
487<a name="x582"></a> iFirstName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
488 iLastName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
489 iAddress-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
490 iEMail-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
491}
492
493void <a name="f280"></a>ABCentralWidget::changeEntry()
494{
495<a name="x589"></a> <a href="qlistviewitem.html">QListViewItem</a> *item = listView-&gt;<a href="qlistview.html#currentItem">currentItem</a>();
496
497 if ( item &amp;&amp;
498 ( !iFirstName-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() || !iLastName-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() ||
499 !iAddress-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() || !iEMail-&gt;<a href="qlineedit.html#text">text</a>().isEmpty() ) ) {
500 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 0, iFirstName-&gt;<a href="qlineedit.html#text">text</a>() );
501 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 1, iLastName-&gt;<a href="qlineedit.html#text">text</a>() );
502 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 2, iAddress-&gt;<a href="qlineedit.html#text">text</a>() );
503 item-&gt;<a href="qlistviewitem.html#setText">setText</a>( 3, iEMail-&gt;<a href="qlineedit.html#text">text</a>() );
504 }
505}
506
507void <a name="f281"></a>ABCentralWidget::selectionChanged()
508{
509 iFirstName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
510 iLastName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
511 iAddress-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
512 iEMail-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
513}
514
515void <a name="f282"></a>ABCentralWidget::itemSelected( <a href="qlistviewitem.html">QListViewItem</a> *item )
516{
517 if ( !item )
518 return;
519<a name="x594"></a> item-&gt;<a href="qlistviewitem.html#setSelected">setSelected</a>( TRUE );
520<a name="x593"></a> item-&gt;<a href="qlistviewitem.html#repaint">repaint</a>();
521
522<a name="x596"></a> iFirstName-&gt;<a href="qlineedit.html#setText">setText</a>( item-&gt;<a href="qlistviewitem.html#text">text</a>( 0 ) );
523 iLastName-&gt;<a href="qlineedit.html#setText">setText</a>( item-&gt;<a href="qlistviewitem.html#text">text</a>( 1 ) );
524 iAddress-&gt;<a href="qlineedit.html#setText">setText</a>( item-&gt;<a href="qlistviewitem.html#text">text</a>( 2 ) );
525 iEMail-&gt;<a href="qlineedit.html#setText">setText</a>( item-&gt;<a href="qlistviewitem.html#text">text</a>( 3 ) );
526}
527
528void <a name="f283"></a>ABCentralWidget::toggleFirstName()
529{
530 sFirstName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
531
532<a name="x573"></a> if ( cFirstName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
533 sFirstName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
534<a name="x606"></a> sFirstName-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
535 }
536 else
537 sFirstName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
538}
539
540void <a name="f284"></a>ABCentralWidget::toggleLastName()
541{
542 sLastName-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
543
544 if ( cLastName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
545 sLastName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
546 sLastName-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
547 }
548 else
549 sLastName-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
550}
551
552void <a name="f285"></a>ABCentralWidget::toggleAddress()
553{
554 sAddress-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
555
556 if ( cAddress-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
557 sAddress-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
558 sAddress-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
559 }
560 else
561 sAddress-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
562}
563
564void <a name="f286"></a>ABCentralWidget::toggleEMail()
565{
566 sEMail-&gt;<a href="qlineedit.html#setText">setText</a>( "" );
567
568 if ( cEMail-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
569 sEMail-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
570 sEMail-&gt;<a href="qwidget.html#setFocus">setFocus</a>();
571 }
572 else
573 sEMail-&gt;<a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
574}
575
576void <a name="f287"></a>ABCentralWidget::findEntries()
577{
578 if ( !cFirstName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() &amp;&amp;
579 !cLastName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() &amp;&amp;
580 !cAddress-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() &amp;&amp;
581 !cEMail-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
582<a name="x587"></a> listView-&gt;<a href="qlistview.html#clearSelection">clearSelection</a>();
583 return;
584 }
585
586 <a href="qlistviewitemiterator.html">QListViewItemIterator</a> it( listView );
587
588 for ( ; it.<a href="qlistviewitemiterator.html#current">current</a>(); ++it ) {
589 bool select = TRUE;
590
591 if ( cFirstName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
592 if ( select &amp;&amp; it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;text( 0 ).contains( sFirstName-&gt;<a href="qlineedit.html#text">text</a>() ) )
593 select = TRUE;
594 else
595 select = FALSE;
596 }
597 if ( cLastName-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
598 if ( select &amp;&amp; it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;text( 1 ).contains( sLastName-&gt;<a href="qlineedit.html#text">text</a>() ) )
599 select = TRUE;
600 else
601 select = FALSE;
602 }
603 if ( cAddress-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
604 if ( select &amp;&amp; it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;text( 2 ).contains( sAddress-&gt;<a href="qlineedit.html#text">text</a>() ) )
605 select = TRUE;
606 else
607 select = FALSE;
608 }
609 if ( cEMail-&gt;<a href="qcheckbox.html#isChecked">isChecked</a>() ) {
610 if ( select &amp;&amp; it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;text( 3 ).contains( sEMail-&gt;<a href="qlineedit.html#text">text</a>() ) )
611 select = TRUE;
612 else
613 select = FALSE;
614 }
615
616 if ( select )
617 it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;setSelected( TRUE );
618 else
619 it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;setSelected( FALSE );
620 it.<a href="qlistviewitemiterator.html#current">current</a>()-&gt;repaint();
621 }
622}
623</pre>
624
625<p> <hr>
626<p> Main:
627<p> <pre>/****************************************************************************
628** $Id: addressbook-example.html 2051 2007-02-21 10:04:20Z chehrlic $
629**
630** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
631**
632** This file is part of an example program for Qt. This example
633** program may be used, distributed and modified without limitation.
634**
635*****************************************************************************/
636
637#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
638
639#include "mainwindow.h"
640
641int main( int argc, char ** argv )
642{
643 <a href="qapplication.html">QApplication</a> a( argc, argv );
644
645 ABMainWindow *mw = new ABMainWindow();
646 mw-&gt;<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Addressbook" );
647 a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( mw );
648<a name="x611"></a> mw-&gt;<a href="qwidget.html#show">show</a>();
649
650<a name="x609"></a><a name="x608"></a> a.<a href="qobject.html#connect">connect</a>( &amp;a, SIGNAL( <a href="qapplication.html#lastWindowClosed">lastWindowClosed</a>() ), &amp;a, SLOT( <a href="qapplication.html#quit">quit</a>() ) );
651 int result = a.<a href="qapplication.html#exec">exec</a>();
652 delete mw;
653 return result;
654}
655</pre>
656
657<p>See also <a href="examples.html">Examples</a>.
658
659<!-- eof -->
660<p><address><hr><div align=center>
661<table width=100% cellspacing=0 border=0><tr>
662<td>Copyright &copy; 2007
663<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
664<td align=right><div align=right>Qt 3.3.8</div>
665</table></div></address></body>
666</html>
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