Add Qt3 development HEAD version

1 files changed, 351 insertions, 0 deletions

diff --git a/examples/addressbook/centralwidget.cpp b/examples/addressbook/centralwidget.cpp
new file mode 100644
index 0000000..195cb14
--- /dev/null
+++ b/examples/addressbook/centralwidget.cpp
@@ -0,0 +1,351 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "centralwidget.h"
+
+#include <qtabwidget.h>
+#include <qlistview.h>
+#include <qlayout.h>
+#include <qwidget.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qlineedit.h>
+#include <qlabel.h>
+#include <qcheckbox.h>
+#include <qfile.h>
+#include <qtextstream.h>
+
+ABCentralWidget::ABCentralWidget( QWidget *parent, const char *name )
+    : QWidget( parent, name )
+{
+    mainGrid = new QGridLayout( this, 2, 1, 5, 5 );
+
+    setupTabWidget();
+    setupListView();
+
+    mainGrid->setRowStretch( 0, 0 );
+    mainGrid->setRowStretch( 1, 1 );
+}
+
+void ABCentralWidget::save( const QString &filename )
+{
+    if ( !listView->firstChild() )
+        return;
+
+    QFile f( filename );
+    if ( !f.open( IO_WriteOnly ) )
+        return;
+
+    QTextStream t( &f );
+    t.setEncoding(QTextStream::UnicodeUTF8);
+
+    QListViewItemIterator it( listView );
+
+    for ( ; it.current(); ++it )
+        for ( unsigned int i = 0; i < 4; i++ )
+            t << it.current()->text( i ) << "\n";
+
+    f.close();
+}
+
+void ABCentralWidget::load( const QString &filename )
+{
+    listView->clear();
+
+    QFile f( filename );
+    if ( !f.open( IO_ReadOnly ) )
+        return;
+
+    QTextStream t( &f );
+    t.setEncoding(QTextStream::UnicodeUTF8);
+
+    while ( !t.atEnd() ) {
+        QListViewItem *item = new QListViewItem( listView );
+        for ( unsigned int i = 0; i < 4; i++ )
+            item->setText( i, t.readLine() );
+    }
+
+    f.close();
+}
+
+void ABCentralWidget::setupTabWidget()
+{
+    tabWidget = new QTabWidget( this );
+
+    QWidget *input = new QWidget( tabWidget );
+    QGridLayout *grid1 = new QGridLayout( input, 2, 5, 5, 5 );
+
+    QLabel *liFirstName = new QLabel( "First &Name", input );
+    liFirstName->resize( liFirstName->sizeHint() );
+    grid1->addWidget( liFirstName, 0, 0 );
+
+    QLabel *liLastName = new QLabel( "&Last Name", input );
+    liLastName->resize( liLastName->sizeHint() );
+    grid1->addWidget( liLastName, 0, 1 );
+
+    QLabel *liAddress = new QLabel( "Add&ress", input );
+    liAddress->resize( liAddress->sizeHint() );
+    grid1->addWidget( liAddress, 0, 2 );
+
+    QLabel *liEMail = new QLabel( "&E-Mail", input );
+    liEMail->resize( liEMail->sizeHint() );
+    grid1->addWidget( liEMail, 0, 3 );
+
+    add = new QPushButton( "A&dd", input );
+    add->resize( add->sizeHint() );
+    grid1->addWidget( add, 0, 4 );
+    connect( add, SIGNAL( clicked() ), this, SLOT( addEntry() ) );
+
+    iFirstName = new QLineEdit( input );
+    iFirstName->resize( iFirstName->sizeHint() );
+    grid1->addWidget( iFirstName, 1, 0 );
+    liFirstName->setBuddy( iFirstName );
+
+    iLastName = new QLineEdit( input );
+    iLastName->resize( iLastName->sizeHint() );
+    grid1->addWidget( iLastName, 1, 1 );
+    liLastName->setBuddy( iLastName );
+
+    iAddress = new QLineEdit( input );
+    iAddress->resize( iAddress->sizeHint() );
+    grid1->addWidget( iAddress, 1, 2 );
+    liAddress->setBuddy( iAddress );
+
+    iEMail = new QLineEdit( input );
+    iEMail->resize( iEMail->sizeHint() );
+    grid1->addWidget( iEMail, 1, 3 );
+    liEMail->setBuddy( iEMail );
+
+    change = new QPushButton( "&Change", input );
+    change->resize( change->sizeHint() );
+    grid1->addWidget( change, 1, 4 );
+    connect( change, SIGNAL( clicked() ), this, SLOT( changeEntry() ) );
+
+    tabWidget->addTab( input, "&Add/Change Entry" );
+
+    // --------------------------------------
+
+    QWidget *search = new QWidget( this );
+    QGridLayout *grid2 = new QGridLayout( search, 2, 5, 5, 5 );
+
+    cFirstName = new QCheckBox( "First &Name", search );
+    cFirstName->resize( cFirstName->sizeHint() );
+    grid2->addWidget( cFirstName, 0, 0 );
+    connect( cFirstName, SIGNAL( clicked() ), this, SLOT( toggleFirstName() ) );
+
+    cLastName = new QCheckBox( "&Last Name", search );
+    cLastName->resize( cLastName->sizeHint() );
+    grid2->addWidget( cLastName, 0, 1 );
+    connect( cLastName, SIGNAL( clicked() ), this, SLOT( toggleLastName() ) );
+
+    cAddress = new QCheckBox( "Add&ress", search );
+    cAddress->resize( cAddress->sizeHint() );
+    grid2->addWidget( cAddress, 0, 2 );
+    connect( cAddress, SIGNAL( clicked() ), this, SLOT( toggleAddress() ) );
+
+    cEMail = new QCheckBox( "&E-Mail", search );
+    cEMail->resize( cEMail->sizeHint() );
+    grid2->addWidget( cEMail, 0, 3 );
+    connect( cEMail, SIGNAL( clicked() ), this, SLOT( toggleEMail() ) );
+
+    sFirstName = new QLineEdit( search );
+    sFirstName->resize( sFirstName->sizeHint() );
+    grid2->addWidget( sFirstName, 1, 0 );
+
+    sLastName = new QLineEdit( search );
+    sLastName->resize( sLastName->sizeHint() );
+    grid2->addWidget( sLastName, 1, 1 );
+
+    sAddress = new QLineEdit( search );
+    sAddress->resize( sAddress->sizeHint() );
+    grid2->addWidget( sAddress, 1, 2 );
+
+    sEMail = new QLineEdit( search );
+    sEMail->resize( sEMail->sizeHint() );
+    grid2->addWidget( sEMail, 1, 3 );
+
+    find = new QPushButton( "F&ind", search );
+    find->resize( find->sizeHint() );
+    grid2->addWidget( find, 1, 4 );
+    connect( find, SIGNAL( clicked() ), this, SLOT( findEntries() ) );
+
+    cFirstName->setChecked( TRUE );
+    sFirstName->setEnabled( TRUE );
+    sLastName->setEnabled( FALSE );
+    sAddress->setEnabled( FALSE );
+    sEMail->setEnabled( FALSE );
+
+    tabWidget->addTab( search, "&Search" );
+
+    mainGrid->addWidget( tabWidget, 0, 0 );
+}
+
+void ABCentralWidget::setupListView()
+{
+    listView = new QListView( this );
+    listView->addColumn( "First Name" );
+    listView->addColumn( "Last Name" );
+    listView->addColumn( "Address" );
+    listView->addColumn( "E-Mail" );
+
+    listView->setSelectionMode( QListView::Single );
+
+    connect( listView, SIGNAL( clicked( QListViewItem* ) ), this, SLOT( itemSelected( QListViewItem* ) ) );
+
+    mainGrid->addWidget( listView, 1, 0 );
+    listView->setAllColumnsShowFocus( TRUE );
+}
+
+void ABCentralWidget::addEntry()
+{
+    if ( !iFirstName->text().isEmpty() || !iLastName->text().isEmpty() ||
+         !iAddress->text().isEmpty() || !iEMail->text().isEmpty() ) {
+        QListViewItem *item = new QListViewItem( listView );
+        item->setText( 0, iFirstName->text() );
+        item->setText( 1, iLastName->text() );
+        item->setText( 2, iAddress->text() );
+        item->setText( 3, iEMail->text() );
+    }
+
+    iFirstName->setText( "" );
+    iLastName->setText( "" );
+    iAddress->setText( "" );
+    iEMail->setText( "" );
+}
+
+void ABCentralWidget::changeEntry()
+{
+    QListViewItem *item = listView->currentItem();
+
+    if ( item &&
+         ( !iFirstName->text().isEmpty() || !iLastName->text().isEmpty() ||
+           !iAddress->text().isEmpty() || !iEMail->text().isEmpty() ) ) {
+        item->setText( 0, iFirstName->text() );
+        item->setText( 1, iLastName->text() );
+        item->setText( 2, iAddress->text() );
+        item->setText( 3, iEMail->text() );
+    }
+}
+
+void ABCentralWidget::selectionChanged()
+{
+    iFirstName->setText( "" );
+    iLastName->setText( "" );
+    iAddress->setText( "" );
+    iEMail->setText( "" );
+}
+
+void ABCentralWidget::itemSelected( QListViewItem *item )
+{
+    if ( !item )
+	return;
+    item->setSelected( TRUE );
+    item->repaint();
+
+    iFirstName->setText( item->text( 0 ) );
+    iLastName->setText( item->text( 1 ) );
+    iAddress->setText( item->text( 2 ) );
+    iEMail->setText( item->text( 3 ) );
+}
+
+void ABCentralWidget::toggleFirstName()
+{
+    sFirstName->setText( "" );
+
+    if ( cFirstName->isChecked() ) {
+        sFirstName->setEnabled( TRUE );
+        sFirstName->setFocus();
+    }
+    else
+        sFirstName->setEnabled( FALSE );
+}
+
+void ABCentralWidget::toggleLastName()
+{
+    sLastName->setText( "" );
+
+    if ( cLastName->isChecked() ) {
+        sLastName->setEnabled( TRUE );
+        sLastName->setFocus();
+    }
+    else
+        sLastName->setEnabled( FALSE );
+}
+
+void ABCentralWidget::toggleAddress()
+{
+    sAddress->setText( "" );
+
+    if ( cAddress->isChecked() ) {
+        sAddress->setEnabled( TRUE );
+        sAddress->setFocus();
+    }
+    else
+        sAddress->setEnabled( FALSE );
+}
+
+void ABCentralWidget::toggleEMail()
+{
+    sEMail->setText( "" );
+
+    if ( cEMail->isChecked() ) {
+        sEMail->setEnabled( TRUE );
+        sEMail->setFocus();
+    }
+    else
+        sEMail->setEnabled( FALSE );
+}
+
+void ABCentralWidget::findEntries()
+{
+    if ( !cFirstName->isChecked() &&
+         !cLastName->isChecked() &&
+         !cAddress->isChecked() &&
+         !cEMail->isChecked() ) {
+        listView->clearSelection();
+        return;
+    }
+
+    QListViewItemIterator it( listView );
+
+    for ( ; it.current(); ++it ) {
+        bool select = TRUE;
+
+        if ( cFirstName->isChecked() ) {
+            if ( select && it.current()->text( 0 ).contains( sFirstName->text() ) )
+                select = TRUE;
+            else
+                select = FALSE;
+        }
+        if ( cLastName->isChecked() ) {
+            if ( select && it.current()->text( 1 ).contains( sLastName->text() ) )
+                select = TRUE;
+            else
+                select = FALSE;
+        }
+        if ( cAddress->isChecked() ) {
+            if ( select && it.current()->text( 2 ).contains( sAddress->text() ) )
+                select = TRUE;
+            else
+                select = FALSE;
+        }
+        if ( cEMail->isChecked() ) {
+            if ( select && it.current()->text( 3 ).contains( sEMail->text() ) )
+                select = TRUE;
+            else
+                select = FALSE;
+        }
+
+        if ( select )
+            it.current()->setSelected( TRUE );
+        else
+            it.current()->setSelected( FALSE );
+        it.current()->repaint();
+    }
+}