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