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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "listboxcombo.h"
#include <tqcombobox.h>
#include <tqlistbox.h>
#include <ntqhbox.h>
#include <tqpushbutton.h>
#include <tqstring.h>
#include <tqpixmap.h>
#include <tqlabel.h>
#include <tqimage.h>
#include <tqpainter.h>
#include <tqstyle.h>
class MyListBoxItem : public TQListBoxItem
{
public:
MyListBoxItem()
: TQListBoxItem()
{
setCustomHighlighting( TRUE );
}
protected:
virtual void paint( TQPainter * );
virtual int width( const TQListBox* ) const { return 100; }
virtual int height( const TQListBox* ) const { return 16; }
};
void MyListBoxItem::paint( TQPainter *painter )
{
// evil trick: find out whether we are painted onto our listbox
bool in_list_box = listBox() && listBox()->viewport() == painter->device();
TQRect r ( 0, 0, width( listBox() ), height( listBox() ) );
if ( in_list_box && isSelected() )
painter->eraseRect( r );
painter->fillRect( 5, 5, width( listBox() ) - 10, height( listBox() ) - 10, TQt::red );
if ( in_list_box && isCurrent() )
listBox()->style().drawPrimitive( TQStyle::PE_FocusRect, painter, r, listBox()->colorGroup() );
}
/*
* Constructor
*
* Creates child widgets of the ListBoxCombo widget
*/
ListBoxCombo::ListBoxCombo( TQWidget *parent, const char *name )
: TQVBox( parent, name )
{
setMargin( 5 );
setSpacing( 5 );
unsigned int i;
TQString str;
TQHBox *row1 = new TQHBox( this );
row1->setSpacing( 5 );
// Create a multi-selection ListBox...
lb1 = new TQListBox( row1 );
lb1->setSelectionMode( TQListBox::Multi );
// ...insert a pixmap item...
lb1->insertItem( TQPixmap( "qtlogo.png" ) );
// ...and 100 text items
for ( i = 0; i < 100; i++ ) {
str = TQString( "Listbox Item %1" ).arg( i );
if ( !( i % 4 ) )
lb1->insertItem( TQPixmap( "fileopen.xpm" ), str );
else
lb1->insertItem( str );
}
// Create a pushbutton...
TQPushButton *arrow1 = new TQPushButton( " -> ", row1 );
// ...and connect the clicked TQ_SIGNAL with the TQ_SLOT slotLeft2Right
connect( arrow1, TQ_SIGNAL( clicked() ), this, TQ_SLOT( slotLeft2Right() ) );
// create an empty single-selection ListBox
lb2 = new TQListBox( row1 );
TQHBox *row2 = new TQHBox( this );
row2->setSpacing( 5 );
TQVBox *box1 = new TQVBox( row2 );
box1->setSpacing( 5 );
// Create a non-editable Combobox and a label below...
TQComboBox *cb1 = new TQComboBox( FALSE, box1 );
label1 = new TQLabel( "Current Item: Combobox Item 0", box1 );
label1->setMaximumHeight( label1->sizeHint().height() * 2 );
label1->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
//...and insert 50 items into the Combobox
for ( i = 0; i < 50; i++ ) {
str = TQString( "Combobox Item %1" ).arg( i );
if ( i % 9 )
cb1->insertItem( str );
else
cb1->listBox()->insertItem( new MyListBoxItem );
}
TQVBox *box2 = new TQVBox( row2 );
box2->setSpacing( 5 );
// Create an editable Combobox and a label below...
TQComboBox *cb2 = new TQComboBox( TRUE, box2 );
label2 = new TQLabel( "Current Item: Combobox Item 0", box2 );
label2->setMaximumHeight( label2->sizeHint().height() * 2 );
label2->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
// ... and insert 50 items into the Combobox
for ( i = 0; i < 50; i++ ) {
str = TQString( "Combobox Item %1" ).arg( i );
if ( !( i % 4 ) )
cb2->insertItem( TQPixmap( "fileopen.xpm" ), str );
else
cb2->insertItem( str );
}
// Connect the activated SIGNALs of the Comboboxes with SLOTs
connect( cb1, TQ_SIGNAL( activated( const TQString & ) ), this, TQ_SLOT( slotCombo1Activated( const TQString & ) ) );
connect( cb2, TQ_SIGNAL( activated( const TQString & ) ), this, TQ_SLOT( slotCombo2Activated( const TQString & ) ) );
}
/*
* TQ_SLOT slotLeft2Right
*
* Copies all selected items of the first ListBox into the
* second ListBox
*/
void ListBoxCombo::slotLeft2Right()
{
// Go through all items of the first ListBox
for ( unsigned int i = 0; i < lb1->count(); i++ ) {
TQListBoxItem *item = lb1->item( i );
// if the item is selected...
if ( item->isSelected() ) {
// ...and it is a text item...
if ( item->pixmap() && !item->text().isEmpty() )
lb2->insertItem( *item->pixmap(), item->text() );
else if ( !item->pixmap() )
lb2->insertItem( item->text() );
else if ( item->text().isEmpty() )
lb2->insertItem( *item->pixmap() );
}
}
}
/*
* TQ_SLOT slotCombo1Activated( const TQString &s )
*
* Sets the text of the item which the user just selected
* in the first Combobox (and is now the value of s) to
* the first Label.
*/
void ListBoxCombo::slotCombo1Activated( const TQString &s )
{
label1->setText( TQString( "Current Item: %1" ).arg( s ) );
}
/*
* TQ_SLOT slotCombo2Activated( const TQString &s )
*
* Sets the text of the item which the user just selected
* in the second Combobox (and is now the value of s) to
* the second Label.
*/
void ListBoxCombo::slotCombo2Activated( const TQString &s )
{
label2->setText( TQString( "Current Item: %1" ).arg( s ) );
}
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