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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "menubutton.h"
#include <qpopupmenu.h>
/*!
\class MenuButton menubutton.h
\brief The MenuButton class is a pushbutton with a menu.
Similar in function to a QComboBox.
*/
/*!
\fn void MenuButton::selected(int index)
This signal is emitted when the item at \a index is selected.
*/
/*!
\fn void MenuButton::selected(const QString& text)
This signal is emitted when the item with the given \a text is selected.
*/
/*!
Constructs a MenuButton with the given \a items added (see insertItems()).
The standard \a parent an \a name arguments are passed to the base class.
*/
MenuButton::MenuButton( const QStringList& items, QWidget* parent, const char* name) :
QPushButton(parent,name)
{
init();
insertItems(items);
}
/*!
Constructs an empty MenuButton.
The standard \a parent an \a name arguments are passed to the base class.
\sa insertItems()
*/
MenuButton::MenuButton( QWidget* parent, const char* name) :
QPushButton(parent,name)
{
init();
}
void MenuButton::init()
{
setAutoDefault(FALSE);
pop = new QPopupMenu(this);
nitems=0;
connect(pop, SIGNAL(activated(int)), this, SLOT(select(int)));
setPopup(pop);
//setPopupDelay(0);
}
/*!
Removes all items from the button and menu.
*/
void MenuButton::clear()
{
delete pop;
init();
}
/*!
Inserts string \a items into the menu. The string "--" represents
a separator.
*/
void MenuButton::insertItems( const QStringList& items )
{
QStringList::ConstIterator it=items.begin();
for (; it!=items.end(); ++it) {
if ( (*it) == "--" )
insertSeparator();
else
insertItem(*it);
}
}
/*!
Inserts an \a icon and \a text into the menu.
*/
void MenuButton::insertItem( const QIconSet& icon, const QString& text )
{
pop->insertItem(icon, text, nitems++);
if ( nitems==1 ) select(0);
}
/*!
Inserts \a text into the menu.
*/
void MenuButton::insertItem( const QString& text )
{
pop->insertItem(text, nitems++);
if ( nitems==1 ) select(0);
}
/*!
Inserts a visual separator into the menu.
*/
void MenuButton::insertSeparator()
{
pop->insertSeparator();
}
/*!
Selects the items with text \a s.
*/
void MenuButton::select(const QString& s)
{
for (int i=0; i<nitems; i++) {
if ( pop->text(i) == s ) {
select(i);
break;
}
}
}
/*!
Selects the item at index \a s.
*/
void MenuButton::select(int s)
{
cur = s;
updateLabel();
if ( pop->iconSet(cur) )
setIconSet(*pop->iconSet(cur));
emit selected(cur);
emit selected(currentText());
}
/*!
Returns the index of the current item.
*/
int MenuButton::currentItem() const
{
return cur;
}
/*!
Returns the text of the current item.
*/
QString MenuButton::currentText() const
{
return pop->text(cur);
}
/*!
Sets the label. If \a label is empty, the
current item text is displayed, otherwise \a label should contain
"%1", which will be replaced by the current item text.
*/
void MenuButton::setLabel(const QString& label)
{
lab = label;
updateLabel();
}
void MenuButton::updateLabel()
{
QString t = pop->text(cur);
if ( !lab.isEmpty() )
t = lab.arg(t);
setText(t);
}
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