diff options
Diffstat (limited to 'kdevdesigner/designer/listboxrename.cpp')
| -rw-r--r-- | kdevdesigner/designer/listboxrename.cpp | 157 | 
1 files changed, 157 insertions, 0 deletions
| diff --git a/kdevdesigner/designer/listboxrename.cpp b/kdevdesigner/designer/listboxrename.cpp new file mode 100644 index 00000000..0a32d292 --- /dev/null +++ b/kdevdesigner/designer/listboxrename.cpp @@ -0,0 +1,157 @@ +/********************************************************************** +** Copyright (C) 2002 Trolltech AS.  All rights reserved. +** +** This file is part of TQt 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 TQt Enterprise Edition or TQt Professional Edition +** licenses may use this file in accordance with the TQt 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 sales@trolltech.com for +**   information about TQt Commercial License Agreements. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include <tqheader.h> +#include <tqlineedit.h> +#include <tqtimer.h> +#include "listboxrename.h" + +class EditableListBoxItem : public TQListBoxItem +{ +public: +    void setText( const TQString & text ) +    { +	TQListBoxItem::setText( text ); +    } +}; + +ListBoxRename::ListBoxRename( TQListBox * eventSource, const char * name ) +    : TQObject( eventSource, name ), +      clickedItem( 0 ), activity( FALSE ) +{ +    src = eventSource; +    src->installEventFilter( this ); +    ed = new TQLineEdit( src->viewport() ); +    ed->hide(); +    ed->setFrame( FALSE ); + +    TQObject::connect( ed, TQT_SIGNAL( returnPressed() ), +		      this, TQT_SLOT( renameClickedItem() ) ); +} + +bool ListBoxRename::eventFilter( TQObject *, TQEvent * event ) +{ +    switch ( event->type() ) { +	 +    case TQEvent::MouseButtonPress: +        { +	    TQPoint pos = ((TQMouseEvent *) event)->pos(); +	     +	    if ( clickedItem && +		 clickedItem->isSelected() && +		 (clickedItem == src->itemAt( pos )) ) { +		TQTimer::singleShot( 500, this, TQT_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 TQEvent::MouseMove: + +	if ( ((TQMouseEvent *) event)->state() & Qt::LeftButton ) { +	    activity = TRUE;  // drag +	} +	break; +	 +    case TQEvent::KeyPress: +	 +	switch ( ((TQKeyEvent *) event)->key() ) { + +	case TQt::Key_F2: +	     +	    activity = FALSE; +	    clickedItem = src->item( src->currentItem() ); +	    showLineEdit(); +	    break; + +	case TQt::Key_Escape: +	    if ( !ed->isHidden() ) { +		hideLineEdit(); // abort rename +		return TRUE; +	    } +	    break; + +	case TQt::Key_Up: +	case TQt::Key_Down: +	case TQt::Key_PageUp: +	case TQt::Key_PageDown: +	     +	    if ( !ed->isHidden() ) +		return TRUE; // Filter out the keystrokes +	    break; + +	} +	break; + +    case TQEvent::Resize: + +	if ( clickedItem && ed && !ed->isHidden() ) { +	    TQRect 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; +    TQRect 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(); +} | 
