Initial revision

1 files changed, 187 insertions, 0 deletions

diff --git a/library/menubutton.cpp b/library/menubutton.cpp
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--- a/dev/null
+++ b/library/menubutton.cpp
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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=QString::null )
+{
+    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);
+}
+