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-rw-r--r--kdevdesigner/designer/listboxrename.cpp157
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diff --git a/kdevdesigner/designer/listboxrename.cpp b/kdevdesigner/designer/listboxrename.cpp
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+/**********************************************************************
+** Copyright (C) 2002 Trolltech AS. All rights reserved.
+**
+** This file is part of Qt Designer.
+**
+** 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.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** 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.
+** See http://www.trolltech.com/pricing.html or email [email protected] for
+** information about Qt Commercial License Agreements.
+**
+** Contact [email protected] if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include <qheader.h>
+#include <qlineedit.h>
+#include <qtimer.h>
+#include "listboxrename.h"
+
+class EditableListBoxItem : public QListBoxItem
+{
+public:
+ void setText( const QString & text )
+ {
+ QListBoxItem::setText( text );
+ }
+};
+
+ListBoxRename::ListBoxRename( QListBox * eventSource, const char * name )
+ : QObject( eventSource, name ),
+ clickedItem( 0 ), activity( FALSE )
+{
+ src = eventSource;
+ src->installEventFilter( this );
+ ed = new QLineEdit( src->viewport() );
+ ed->hide();
+ ed->setFrame( FALSE );
+
+ QObject::connect( ed, SIGNAL( returnPressed() ),
+ this, SLOT( renameClickedItem() ) );
+}
+
+bool ListBoxRename::eventFilter( QObject *, QEvent * event )
+{
+ switch ( event->type() ) {
+
+ case QEvent::MouseButtonPress:
+ {
+ QPoint pos = ((QMouseEvent *) event)->pos();
+
+ if ( clickedItem &&
+ clickedItem->isSelected() &&
+ (clickedItem == src->itemAt( pos )) ) {
+ QTimer::singleShot( 500, this, SLOT( showLineEdit() ) );
+ activity = FALSE; // no drags or clicks for 500 ms before we start the renaming
+ } else { // new item clicked
+ activity = TRUE;
+ clickedItem = src->itemAt( pos );
+ ed->hide();
+ }
+ }
+ break;
+
+ case QEvent::MouseMove:
+
+ if ( ((QMouseEvent *) event)->state() & Qt::LeftButton ) {
+ activity = TRUE; // drag
+ }
+ break;
+
+ case QEvent::KeyPress:
+
+ switch ( ((QKeyEvent *) event)->key() ) {
+
+ case Qt::Key_F2:
+
+ activity = FALSE;
+ clickedItem = src->item( src->currentItem() );
+ showLineEdit();
+ break;
+
+ case Qt::Key_Escape:
+ if ( !ed->isHidden() ) {
+ hideLineEdit(); // abort rename
+ return TRUE;
+ }
+ break;
+
+ case Qt::Key_Up:
+ case Qt::Key_Down:
+ case Qt::Key_PageUp:
+ case Qt::Key_PageDown:
+
+ if ( !ed->isHidden() )
+ return TRUE; // Filter out the keystrokes
+ break;
+
+ }
+ break;
+
+ case QEvent::Resize:
+
+ if ( clickedItem && ed && !ed->isHidden() ) {
+ QRect rect = src->itemRect( clickedItem );
+ ed->resize( rect.right() - rect.left() - 1,
+ rect.bottom() - rect.top() - 1 );
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return FALSE;
+}
+
+void ListBoxRename::showLineEdit()
+{
+ if ( !clickedItem || activity )
+ return;
+ QRect rect = src->itemRect( clickedItem );
+ ed->resize( rect.right() - rect.left() - 1,
+ rect.bottom() - rect.top() - 1 );
+ ed->move( rect.left() + 1, rect.top() + 1 );
+ ed->setText( clickedItem->text() );
+ ed->selectAll();
+ ed->show();
+ ed->setFocus();
+}
+
+void ListBoxRename::hideLineEdit()
+{
+ ed->hide();
+ clickedItem = 0;
+ src->setFocus();
+}
+
+void ListBoxRename::renameClickedItem()
+{
+ if ( clickedItem && ed ) {
+ ( (EditableListBoxItem *) clickedItem )->setText( ed->text() );
+ emit itemTextChanged( ed->text() );
+ }
+ hideLineEdit();
+}