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121 lines
4.0 KiB
121 lines
4.0 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 Qt. 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 "buttongroups.h"
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#include <qpopupmenu.h>
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#include <qbuttongroup.h>
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#include <qlayout.h>
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#include <qradiobutton.h>
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#include <qcheckbox.h>
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#include <qgroupbox.h>
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#include <qpushbutton.h>
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/*
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* Constructor
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*
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* Creates all child widgets of the ButtonGroups window
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*/
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ButtonsGroups::ButtonsGroups( QWidget *parent, const char *name )
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: QWidget( parent, name )
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{
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// Create Widgets which allow easy layouting
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QVBoxLayout *vbox = new QVBoxLayout( this, 11, 6 );
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QHBoxLayout *box1 = new QHBoxLayout( vbox );
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QHBoxLayout *box2 = new QHBoxLayout( vbox );
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// ------- first group
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// Create an exclusive button group
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QButtonGroup *bgrp1 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 1 (exclusive)", this);
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box1->addWidget( bgrp1 );
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bgrp1->setExclusive( TRUE );
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// insert 3 radiobuttons
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QRadioButton *rb11 = new QRadioButton( "&Radiobutton 1", bgrp1 );
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rb11->setChecked( TRUE );
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(void)new QRadioButton( "R&adiobutton 2", bgrp1 );
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(void)new QRadioButton( "Ra&diobutton 3", bgrp1 );
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// ------- second group
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// Create a non-exclusive buttongroup
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QButtonGroup *bgrp2 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 2 (non-exclusive)", this );
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box1->addWidget( bgrp2 );
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bgrp2->setExclusive( FALSE );
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// insert 3 checkboxes
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(void)new QCheckBox( "&Checkbox 1", bgrp2 );
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QCheckBox *cb12 = new QCheckBox( "C&heckbox 2", bgrp2 );
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cb12->setChecked( TRUE );
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QCheckBox *cb13 = new QCheckBox( "Triple &State Button", bgrp2 );
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cb13->setTristate( TRUE );
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cb13->setChecked( TRUE );
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// ------------ third group
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// create a buttongroup which is exclusive for radiobuttons and non-exclusive for all other buttons
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QButtonGroup *bgrp3 = new QButtonGroup( 1, QGroupBox::Horizontal, "Button Group 3 (Radiobutton-exclusive)", this );
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box2->addWidget( bgrp3 );
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bgrp3->setRadioButtonExclusive( TRUE );
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// insert three radiobuttons
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rb21 = new QRadioButton( "Rad&iobutton 1", bgrp3 );
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rb22 = new QRadioButton( "Radi&obutton 2", bgrp3 );
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rb23 = new QRadioButton( "Radio&button 3", bgrp3 );
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rb23->setChecked( TRUE );
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// insert a checkbox...
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state = new QCheckBox( "E&nable Radiobuttons", bgrp3 );
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state->setChecked( TRUE );
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// ...and connect its SIGNAL clicked() with the SLOT slotChangeGrp3State()
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connect( state, SIGNAL( clicked() ), this, SLOT( slotChangeGrp3State() ) );
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// ------------ fourth group
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// create a groupbox which layouts its childs in a columns
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QGroupBox *bgrp4 = new QButtonGroup( 1, QGroupBox::Horizontal, "Groupbox with normal buttons", this );
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box2->addWidget( bgrp4 );
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// insert four pushbuttons...
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(void)new QPushButton( "&Push Button", bgrp4, "push" );
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// now make the second one a toggle button
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QPushButton *tb2 = new QPushButton( "&Toggle Button", bgrp4, "toggle" );
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tb2->setToggleButton( TRUE );
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tb2->setOn( TRUE );
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// ... and make the third one a flat button
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QPushButton *tb3 = new QPushButton( "&Flat Button", bgrp4, "flat" );
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tb3->setFlat(TRUE);
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// .. and the fourth a button with a menu
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QPushButton *tb4 = new QPushButton( "Popup Button", bgrp4, "popup" );
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QPopupMenu *menu = new QPopupMenu(tb4);
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menu->insertItem("Item1", 0);
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menu->insertItem("Item2", 1);
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menu->insertItem("Item3", 2);
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menu->insertItem("Item4", 3);
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tb4->setPopup(menu);
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}
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/*
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* SLOT slotChangeGrp3State()
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*
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* enables/disables the radiobuttons of the third buttongroup
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*/
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void ButtonsGroups::slotChangeGrp3State()
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{
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rb21->setEnabled( state->isChecked() );
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rb22->setEnabled( state->isChecked() );
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rb23->setEnabled( state->isChecked() );
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}
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