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addressbook-example.html@ 208

Last change on this file since 208 was 190, checked in by rudi, 14 years ago
reference documentation added
File size: 31.3 KB

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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"><!--
8	fn { margin-left: 1cm; text-indent: -1cm; }
9	a:link { color: #004faf; text-decoration: none }
10	a:visited { color: #672967; text-decoration: none }
11	body { 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 Classes</font></a>
23	\| <a href="mainclasses.html">
24	<font color="#004faf">Main 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 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>
36	This examples shows how to write a very simple, but complete application
37	using 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 <<a href="qmainwindow-h.html">qmainwindow.h</a>>
54	#include <<a href="qstring-h.html">qstring.h</a>>
55
56	class QToolBar;
57	class QPopupMenu;
58	class ABCentralWidget;
59
60	class ABMainWindow: public <a href="qmainwindow.html">QMainWindow</a>
61	{
62	<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
63
64	public:
65	ABMainWindow();
66	~ABMainWindow();
67
68	protected slots:
69	void fileNew();
70	void fileOpen();
71	void fileSave();
72	void fileSaveAs();
73	void filePrint();
74	void closeWindow();
75
76	protected:
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 <<a href="qtoolbar-h.html">qtoolbar.h</a>>
108	#include <<a href="qtoolbutton-h.html">qtoolbutton.h</a>>
109	#include <<a href="qpopupmenu-h.html">qpopupmenu.h</a>>
110	#include <<a href="qmenubar-h.html">qmenubar.h</a>>
111	#include <<a href="qstatusbar-h.html">qstatusbar.h</a>>
112	#include <<a href="qapplication-h.html">qapplication.h</a>>
113	#include <<a href="qfiledialog-h.html">qfiledialog.h</a>>
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
126	ABMainWindow::~ABMainWindow()
127	{
128	}
129
130	void <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>()->insertItem( "&File", file );
134
135	<a name="x569"></a> file-><a href="qmenudata.html#insertItem">insertItem</a>( "New", this, SLOT( fileNew() ), CTRL + Key_N );
136	file-><a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "fileopen.xpm" ), "Open", this, SLOT( fileOpen() ), CTRL + Key_O );
137	<a name="x570"></a> file-><a href="qmenudata.html#insertSeparator">insertSeparator</a>();
138	file-><a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "filesave.xpm" ), "Save", this, SLOT( fileSave() ), CTRL + Key_S );
139	file-><a href="qmenudata.html#insertItem">insertItem</a>( "Save As...", this, SLOT( fileSaveAs() ) );
140	file-><a href="qmenudata.html#insertSeparator">insertSeparator</a>();
141	file-><a href="qmenudata.html#insertItem">insertItem</a>( QPixmap( "fileprint.xpm" ), "Print...", this, SLOT( filePrint() ), CTRL + Key_P );
142	file-><a href="qmenudata.html#insertSeparator">insertSeparator</a>();
143	file-><a href="qmenudata.html#insertItem">insertItem</a>( "Close", this, SLOT( closeWindow() ), CTRL + Key_W );
144	file-><a href="qmenudata.html#insertItem">insertItem</a>( "Quit", qApp, SLOT( <a href="qapplication.html#quit">quit</a>() ), CTRL + Key_Q );
145	}
146
147	void <a name="f265"></a>ABMainWindow::setupFileTools()
148	{
149	//fileTools = new <a href="qtoolbar.html">QToolBar</a>( this, "file operations" );
150	}
151
152	void <a name="f266"></a>ABMainWindow::setupStatusBar()
153	{
154	//statusBar()->message( "Ready", 2000 );
155	}
156
157	void <a name="f267"></a>ABMainWindow::setupCentralWidget()
158	{
159	view = new ABCentralWidget( this );
160	<a href="qmainwindow.html#setCentralWidget">setCentralWidget</a>( view );
161	}
162
163	void <a name="f268"></a>ABMainWindow::closeWindow()
164	{
165	<a href="qwidget.html#close">close</a>();
166	}
167
168	void <a name="f269"></a>ABMainWindow::fileNew()
169	{
170	}
171
172	void <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->load( filename );
178	}
179	}
180
181	void <a name="f271"></a>ABMainWindow::fileSave()
182	{
183	if ( filename.isEmpty() ) {
184	fileSaveAs();
185	return;
186	}
187
188	view->save( filename );
189	}
190
191	void <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
200	void <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 <<a href="qwidget-h.html">qwidget.h</a>>
221	#include <<a href="qstring-h.html">qstring.h</a>>
222
223	class QTabWidget;
224	class QListView;
225	class QGridLayout;
226	class QLineEdit;
227	class QPushButton;
228	class QListViewItem;
229	class QCheckBox;
230
231	class ABCentralWidget : public <a href="qwidget.html">QWidget</a>
232	{
233	Q_OBJECT
234
235	public:
236	ABCentralWidget( <a href="qwidget.html">QWidget</a> parent, const char name = 0 );
237
238	void save( const <a href="qstring.html">QString</a> &filename );
239	void load( const <a href="qstring.html">QString</a> &filename );
240
241	protected 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
252	protected:
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 <<a href="qtabwidget-h.html">qtabwidget.h</a>>
284	#include <<a href="qlistview-h.html">qlistview.h</a>>
285	#include <<a href="qlayout-h.html">qlayout.h</a>>
286	#include <<a href="qwidget-h.html">qwidget.h</a>>
287	#include <<a href="qlabel-h.html">qlabel.h</a>>
288	#include <<a href="qpushbutton-h.html">qpushbutton.h</a>>
289	#include <<a href="qlineedit-h.html">qlineedit.h</a>>
290	#include <<a href="qlabel-h.html">qlabel.h</a>>
291	#include <<a href="qcheckbox-h.html">qcheckbox.h</a>>
292	#include <<a href="qfile-h.html">qfile.h</a>>
293	#include <<a href="qtextstream-h.html">qtextstream.h</a>>
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-><a href="qgridlayout.html#setRowStretch">setRowStretch</a>( 0, 0 );
304	mainGrid-><a href="qgridlayout.html#setRowStretch">setRowStretch</a>( 1, 1 );
305	}
306
307	void <a name="f275"></a>ABCentralWidget::save( const <a href="qstring.html">QString</a> &filename )
308	{
309	<a name="x590"></a> if ( !listView-><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( &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 < 4; i++ )
323	t << it.<a href="qlistviewitemiterator.html#current">current</a>()->text( i ) << "\n";
324
325	f.<a href="qfile.html#close">close</a>();
326	}
327
328	void <a name="f276"></a>ABCentralWidget::load( const <a href="qstring.html">QString</a> &filename )
329	{
330	<a name="x586"></a> listView-><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( &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 < 4; i++ )
342	<a name="x602"></a><a name="x595"></a> item-><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
348	void <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 &Name", input );
356	<a name="x604"></a><a name="x581"></a> liFirstName-><a href="qwidget.html#resize">resize</a>( liFirstName-><a href="qwidget.html#sizeHint">sizeHint</a>() );
357	<a name="x578"></a> grid1-><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>( "&Last Name", input );
360	liLastName-><a href="qwidget.html#resize">resize</a>( liLastName-><a href="qwidget.html#sizeHint">sizeHint</a>() );
361	grid1-><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&ress", input );
364	liAddress-><a href="qwidget.html#resize">resize</a>( liAddress-><a href="qwidget.html#sizeHint">sizeHint</a>() );
365	grid1-><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>( "&E-Mail", input );
368	liEMail-><a href="qwidget.html#resize">resize</a>( liEMail-><a href="qwidget.html#sizeHint">sizeHint</a>() );
369	grid1-><a href="qgridlayout.html#addWidget">addWidget</a>( liEMail, 0, 3 );
370
371	add = new <a href="qpushbutton.html">QPushButton</a>( "A&dd", input );
372	<a name="x599"></a><a name="x598"></a> add-><a href="qwidget.html#resize">resize</a>( add-><a href="qwidget.html#sizeHint">sizeHint</a>() );
373	grid1-><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-><a href="qwidget.html#resize">resize</a>( iFirstName-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
378	grid1-><a href="qgridlayout.html#addWidget">addWidget</a>( iFirstName, 1, 0 );
379	<a name="x580"></a> liFirstName-><a href="qlabel.html#setBuddy">setBuddy</a>( iFirstName );
380
381	iLastName = new <a href="qlineedit.html">QLineEdit</a>( input );
382	iLastName-><a href="qwidget.html#resize">resize</a>( iLastName-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
383	grid1-><a href="qgridlayout.html#addWidget">addWidget</a>( iLastName, 1, 1 );
384	liLastName-><a href="qlabel.html#setBuddy">setBuddy</a>( iLastName );
385
386	iAddress = new <a href="qlineedit.html">QLineEdit</a>( input );
387	iAddress-><a href="qwidget.html#resize">resize</a>( iAddress-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
388	grid1-><a href="qgridlayout.html#addWidget">addWidget</a>( iAddress, 1, 2 );
389	liAddress-><a href="qlabel.html#setBuddy">setBuddy</a>( iAddress );
390
391	iEMail = new <a href="qlineedit.html">QLineEdit</a>( input );
392	iEMail-><a href="qwidget.html#resize">resize</a>( iEMail-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
393	grid1-><a href="qgridlayout.html#addWidget">addWidget</a>( iEMail, 1, 3 );
394	liEMail-><a href="qlabel.html#setBuddy">setBuddy</a>( iEMail );
395
396	change = new <a href="qpushbutton.html">QPushButton</a>( "&Change", input );
397	change-><a href="qwidget.html#resize">resize</a>( change-><a href="qwidget.html#sizeHint">sizeHint</a>() );
398	grid1-><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-><a href="qtabwidget.html#addTab">addTab</a>( input, "&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 &Name", search );
409	<a name="x575"></a> cFirstName-><a href="qwidget.html#resize">resize</a>( cFirstName-><a href="qwidget.html#sizeHint">sizeHint</a>() );
410	grid2-><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>( "&Last Name", search );
414	cLastName-><a href="qwidget.html#resize">resize</a>( cLastName-><a href="qwidget.html#sizeHint">sizeHint</a>() );
415	grid2-><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&ress", search );
419	cAddress-><a href="qwidget.html#resize">resize</a>( cAddress-><a href="qwidget.html#sizeHint">sizeHint</a>() );
420	grid2-><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>( "&E-Mail", search );
424	cEMail-><a href="qwidget.html#resize">resize</a>( cEMail-><a href="qwidget.html#sizeHint">sizeHint</a>() );
425	grid2-><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-><a href="qwidget.html#resize">resize</a>( sFirstName-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
430	grid2-><a href="qgridlayout.html#addWidget">addWidget</a>( sFirstName, 1, 0 );
431
432	sLastName = new <a href="qlineedit.html">QLineEdit</a>( search );
433	sLastName-><a href="qwidget.html#resize">resize</a>( sLastName-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
434	grid2-><a href="qgridlayout.html#addWidget">addWidget</a>( sLastName, 1, 1 );
435
436	sAddress = new <a href="qlineedit.html">QLineEdit</a>( search );
437	sAddress-><a href="qwidget.html#resize">resize</a>( sAddress-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
438	grid2-><a href="qgridlayout.html#addWidget">addWidget</a>( sAddress, 1, 2 );
439
440	sEMail = new <a href="qlineedit.html">QLineEdit</a>( search );
441	sEMail-><a href="qwidget.html#resize">resize</a>( sEMail-><a href="qlineedit.html#sizeHint">sizeHint</a>() );
442	grid2-><a href="qgridlayout.html#addWidget">addWidget</a>( sEMail, 1, 3 );
443
444	find = new <a href="qpushbutton.html">QPushButton</a>( "F&ind", search );
445	find-><a href="qwidget.html#resize">resize</a>( find-><a href="qwidget.html#sizeHint">sizeHint</a>() );
446	grid2-><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-><a href="qcheckbox.html#setChecked">setChecked</a>( TRUE );
450	<a name="x605"></a> sFirstName-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
451	sLastName-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
452	sAddress-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
453	sEMail-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
454
455	tabWidget-><a href="qtabwidget.html#addTab">addTab</a>( search, "&Search" );
456
457	mainGrid-><a href="qgridlayout.html#addWidget">addWidget</a>( tabWidget, 0, 0 );
458	}
459
460	void <a name="f278"></a>ABCentralWidget::setupListView()
461	{
462	listView = new <a href="qlistview.html">QListView</a>( this );
463	<a name="x585"></a> listView-><a href="qlistview.html#addColumn">addColumn</a>( "First Name" );
464	listView-><a href="qlistview.html#addColumn">addColumn</a>( "Last Name" );
465	listView-><a href="qlistview.html#addColumn">addColumn</a>( "Address" );
466	listView-><a href="qlistview.html#addColumn">addColumn</a>( "E-Mail" );
467
468	<a name="x592"></a> listView-><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-><a href="qgridlayout.html#addWidget">addWidget</a>( listView, 1, 0 );
473	<a name="x591"></a> listView-><a href="qlistview.html#setAllColumnsShowFocus">setAllColumnsShowFocus</a>( TRUE );
474	}
475
476	void <a name="f279"></a>ABCentralWidget::addEntry()
477	{
478	<a name="x584"></a> if ( !iFirstName-><a href="qlineedit.html#text">text</a>().isEmpty() \|\| !iLastName-><a href="qlineedit.html#text">text</a>().isEmpty() \|\|
479	!iAddress-><a href="qlineedit.html#text">text</a>().isEmpty() \|\| !iEMail-><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-><a href="qlistviewitem.html#setText">setText</a>( 0, iFirstName-><a href="qlineedit.html#text">text</a>() );
482	item-><a href="qlistviewitem.html#setText">setText</a>( 1, iLastName-><a href="qlineedit.html#text">text</a>() );
483	item-><a href="qlistviewitem.html#setText">setText</a>( 2, iAddress-><a href="qlineedit.html#text">text</a>() );
484	item-><a href="qlistviewitem.html#setText">setText</a>( 3, iEMail-><a href="qlineedit.html#text">text</a>() );
485	}
486
487	<a name="x582"></a> iFirstName-><a href="qlineedit.html#setText">setText</a>( "" );
488	iLastName-><a href="qlineedit.html#setText">setText</a>( "" );
489	iAddress-><a href="qlineedit.html#setText">setText</a>( "" );
490	iEMail-><a href="qlineedit.html#setText">setText</a>( "" );
491	}
492
493	void <a name="f280"></a>ABCentralWidget::changeEntry()
494	{
495	<a name="x589"></a> <a href="qlistviewitem.html">QListViewItem</a> *item = listView-><a href="qlistview.html#currentItem">currentItem</a>();
496
497	if ( item &&
498	( !iFirstName-><a href="qlineedit.html#text">text</a>().isEmpty() \|\| !iLastName-><a href="qlineedit.html#text">text</a>().isEmpty() \|\|
499	!iAddress-><a href="qlineedit.html#text">text</a>().isEmpty() \|\| !iEMail-><a href="qlineedit.html#text">text</a>().isEmpty() ) ) {
500	item-><a href="qlistviewitem.html#setText">setText</a>( 0, iFirstName-><a href="qlineedit.html#text">text</a>() );
501	item-><a href="qlistviewitem.html#setText">setText</a>( 1, iLastName-><a href="qlineedit.html#text">text</a>() );
502	item-><a href="qlistviewitem.html#setText">setText</a>( 2, iAddress-><a href="qlineedit.html#text">text</a>() );
503	item-><a href="qlistviewitem.html#setText">setText</a>( 3, iEMail-><a href="qlineedit.html#text">text</a>() );
504	}
505	}
506
507	void <a name="f281"></a>ABCentralWidget::selectionChanged()
508	{
509	iFirstName-><a href="qlineedit.html#setText">setText</a>( "" );
510	iLastName-><a href="qlineedit.html#setText">setText</a>( "" );
511	iAddress-><a href="qlineedit.html#setText">setText</a>( "" );
512	iEMail-><a href="qlineedit.html#setText">setText</a>( "" );
513	}
514
515	void <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-><a href="qlistviewitem.html#setSelected">setSelected</a>( TRUE );
520	<a name="x593"></a> item-><a href="qlistviewitem.html#repaint">repaint</a>();
521
522	<a name="x596"></a> iFirstName-><a href="qlineedit.html#setText">setText</a>( item-><a href="qlistviewitem.html#text">text</a>( 0 ) );
523	iLastName-><a href="qlineedit.html#setText">setText</a>( item-><a href="qlistviewitem.html#text">text</a>( 1 ) );
524	iAddress-><a href="qlineedit.html#setText">setText</a>( item-><a href="qlistviewitem.html#text">text</a>( 2 ) );
525	iEMail-><a href="qlineedit.html#setText">setText</a>( item-><a href="qlistviewitem.html#text">text</a>( 3 ) );
526	}
527
528	void <a name="f283"></a>ABCentralWidget::toggleFirstName()
529	{
530	sFirstName-><a href="qlineedit.html#setText">setText</a>( "" );
531
532	<a name="x573"></a> if ( cFirstName-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
533	sFirstName-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
534	<a name="x606"></a> sFirstName-><a href="qwidget.html#setFocus">setFocus</a>();
535	}
536	else
537	sFirstName-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
538	}
539
540	void <a name="f284"></a>ABCentralWidget::toggleLastName()
541	{
542	sLastName-><a href="qlineedit.html#setText">setText</a>( "" );
543
544	if ( cLastName-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
545	sLastName-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
546	sLastName-><a href="qwidget.html#setFocus">setFocus</a>();
547	}
548	else
549	sLastName-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
550	}
551
552	void <a name="f285"></a>ABCentralWidget::toggleAddress()
553	{
554	sAddress-><a href="qlineedit.html#setText">setText</a>( "" );
555
556	if ( cAddress-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
557	sAddress-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
558	sAddress-><a href="qwidget.html#setFocus">setFocus</a>();
559	}
560	else
561	sAddress-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
562	}
563
564	void <a name="f286"></a>ABCentralWidget::toggleEMail()
565	{
566	sEMail-><a href="qlineedit.html#setText">setText</a>( "" );
567
568	if ( cEMail-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
569	sEMail-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE );
570	sEMail-><a href="qwidget.html#setFocus">setFocus</a>();
571	}
572	else
573	sEMail-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE );
574	}
575
576	void <a name="f287"></a>ABCentralWidget::findEntries()
577	{
578	if ( !cFirstName-><a href="qcheckbox.html#isChecked">isChecked</a>() &&
579	!cLastName-><a href="qcheckbox.html#isChecked">isChecked</a>() &&
580	!cAddress-><a href="qcheckbox.html#isChecked">isChecked</a>() &&
581	!cEMail-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
582	<a name="x587"></a> listView-><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-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
592	if ( select && it.<a href="qlistviewitemiterator.html#current">current</a>()->text( 0 ).contains( sFirstName-><a href="qlineedit.html#text">text</a>() ) )
593	select = TRUE;
594	else
595	select = FALSE;
596	}
597	if ( cLastName-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
598	if ( select && it.<a href="qlistviewitemiterator.html#current">current</a>()->text( 1 ).contains( sLastName-><a href="qlineedit.html#text">text</a>() ) )
599	select = TRUE;
600	else
601	select = FALSE;
602	}
603	if ( cAddress-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
604	if ( select && it.<a href="qlistviewitemiterator.html#current">current</a>()->text( 2 ).contains( sAddress-><a href="qlineedit.html#text">text</a>() ) )
605	select = TRUE;
606	else
607	select = FALSE;
608	}
609	if ( cEMail-><a href="qcheckbox.html#isChecked">isChecked</a>() ) {
610	if ( select && it.<a href="qlistviewitemiterator.html#current">current</a>()->text( 3 ).contains( sEMail-><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>()->setSelected( TRUE );
618	else
619	it.<a href="qlistviewitemiterator.html#current">current</a>()->setSelected( FALSE );
620	it.<a href="qlistviewitemiterator.html#current">current</a>()->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 <<a href="qapplication-h.html">qapplication.h</a>>
638
639	#include "mainwindow.h"
640
641	int main( int argc, char ** argv )
642	{
643	<a href="qapplication.html">QApplication</a> a( argc, argv );
644
645	ABMainWindow *mw = new ABMainWindow();
646	mw-><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-><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>( &a, SIGNAL( <a href="qapplication.html#lastWindowClosed">lastWindowClosed</a>() ), &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 © 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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