Add Qt3 development HEAD version

1 files changed, 162 insertions, 0 deletions

diff --git a/examples/checklists/checklists.cpp b/examples/checklists/checklists.cpp
new file mode 100644
index 0000000..fd17d09
--- /dev/null
+++ b/examples/checklists/checklists.cpp
@@ -0,0 +1,162 @@
+/****************************************************************************
+**
+** 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 "checklists.h"
+
+#include <qlistview.h>
+#include <qvbox.h>
+#include <qlabel.h>
+#include <qvaluelist.h>
+#include <qstring.h>
+#include <qpushbutton.h>
+#include <qlayout.h>
+
+/*
+ * Constructor
+ *
+ * Create all child widgets of the CheckList Widget
+ */
+
+CheckLists::CheckLists( QWidget *parent, const char *name )
+    : QWidget( parent, name )
+{
+    QHBoxLayout *lay = new QHBoxLayout( this );
+    lay->setMargin( 5 );
+
+    // create a widget which layouts its childs in a column
+    QVBoxLayout *vbox1 = new QVBoxLayout( lay );
+    vbox1->setMargin( 5 );
+
+    // First child: a Label
+    vbox1->addWidget( new QLabel( "Check some items!", this ) );
+
+    // Second child: the ListView
+    lv1 = new QListView( this );
+    vbox1->addWidget( lv1 );
+    lv1->addColumn( "Items" );
+    lv1->setRootIsDecorated( TRUE );
+
+    // create a list with 4 ListViewItems which will be parent items of other ListViewItems
+    QValueList<QListViewItem *> parentList;
+
+    parentList.append( new QCheckListItem( lv1, "Parent Item 1", QCheckListItem::CheckBoxController ) );
+    parentList.append( new QCheckListItem( lv1, "Parent Item 2", QCheckListItem::CheckBoxController ) );
+    parentList.append( new QCheckListItem( lv1, "Parent Item 3", QCheckListItem::CheckBoxController ) );
+    parentList.append( new QCheckListItem( lv1, "Parent Item 4", QCheckListItem::CheckBoxController ) );
+
+    QListViewItem *item = 0;
+    unsigned int num = 1;
+    // go through the list of parent items...
+    for ( QValueList<QListViewItem*>::Iterator it = parentList.begin(); it != parentList.end();
+	  ( *it )->setOpen( TRUE ), ++it, num++ ) {
+	item = *it;
+	// ...and create 5 checkable child ListViewItems for each parent item
+	for ( unsigned int i = 1; i <= 5; i++ )
+	    (void)new QCheckListItem( item, QString( "%1. Child of Parent %2" ).arg( i ).arg( num ), QCheckListItem::CheckBox );
+    }
+
+    // Create another widget for layouting
+    QVBoxLayout *tmp = new QVBoxLayout( lay );
+    tmp->setMargin( 5 );
+
+    // create a pushbutton
+    QPushButton *copy1 = new QPushButton( "  ->  ", this );
+    tmp->addWidget( copy1 );
+    copy1->setMaximumWidth( copy1->sizeHint().width() );
+    // connect the SIGNAL clicked() of the pushbutton with the SLOT copy1to2()
+    connect( copy1, SIGNAL( clicked() ), this, SLOT( copy1to2() ) );
+
+    // another widget for layouting
+    QVBoxLayout *vbox2 = new QVBoxLayout( lay );
+    vbox2->setMargin( 5 );
+
+    // and another label
+    vbox2->addWidget( new QLabel( "Check one item!", this ) );
+
+    // create the second listview
+    lv2 = new QListView( this );
+    vbox2->addWidget( lv2 );
+    lv2->addColumn( "Items" );
+    lv2->setRootIsDecorated( TRUE );
+
+    // another widget needed for layouting only
+    tmp = new QVBoxLayout( lay );
+    tmp->setMargin( 5 );
+
+    // create another pushbutton...
+    QPushButton *copy2 = new QPushButton( "  ->  ", this );
+    lay->addWidget( copy2 );
+    copy2->setMaximumWidth( copy2->sizeHint().width() );
+    // ...and connect its clicked() SIGNAL to the copy2to3() SLOT
+    connect( copy2, SIGNAL( clicked() ), this, SLOT( copy2to3() ) );
+
+    tmp = new QVBoxLayout( lay );
+    tmp->setMargin( 5 );
+
+    // and create a label which will be at the right of the window
+    label = new QLabel( "No Item yet...", this );
+    tmp->addWidget( label );
+}
+
+/*
+ * SLOT copy1to2()
+ *
+ * Copies all checked ListViewItems from the first ListView to
+ * the second one, and inserts them as Radio-ListViewItem.
+ */
+
+void CheckLists::copy1to2()
+{
+    // create an iterator which operates on the first ListView
+    QListViewItemIterator it( lv1 );
+
+    lv2->clear();
+
+    // Insert first a controller Item into the second ListView. Always if Radio-ListViewItems
+    // are inserted into a Listview, the parent item of these MUST be a controller Item!
+    QCheckListItem *item = new QCheckListItem( lv2, "Controller", QCheckListItem::Controller );
+    item->setOpen( TRUE );
+
+    // iterate through the first ListView...
+    for ( ; it.current(); ++it )
+	// ...check state of childs, and...
+	if ( it.current()->parent() )
+	    // ...if the item is checked...
+	    if ( ( (QCheckListItem*)it.current() )->isOn() )
+		// ...insert a Radio-ListViewItem with the same text into the second ListView
+		(void)new QCheckListItem( item, it.current()->text( 0 ), QCheckListItem::RadioButton );
+
+    if ( item->firstChild() )
+	( ( QCheckListItem* )item->firstChild() )->setOn( TRUE );
+}
+
+/*
+ * SLOT copy2to3()
+ *
+ * Copies the checked item of the second ListView into the
+ * Label at the right.
+ */
+
+void CheckLists::copy2to3()
+{
+    // create an iterator which operates on the second ListView
+    QListViewItemIterator it( lv2 );
+
+    label->setText( "No Item checked" );
+
+    // iterate through the second ListView...
+    for ( ; it.current(); ++it )
+	// ...check state of childs, and...
+	if ( it.current()->parent() )
+	    // ...if the item is checked...
+	    if ( ( (QCheckListItem*)it.current() )->isOn() )
+		// ...set the text of the item to the label
+		label->setText( it.current()->text( 0 ) );
+}
+