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150 lines
3.2 KiB
150 lines
3.2 KiB
/*
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* khexedit - Versatile hex editor
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* Copyright (C) 1999-2000 Espen Sand, espensa@online.no
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include <stdlib.h>
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#include <tqbitmap.h>
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#include <tqpainter.h>
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#include <kurldrag.h>
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#include "draglabel.h"
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CDragLabel::CDragLabel( TQWidget *parent )
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: TQLabel( "draglabel", parent, "tde toolbar widget" )
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{
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mValid = true;
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mDragPending = false;
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setBackgroundMode( TQt::PaletteButton );
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}
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CDragLabel::~CDragLabel( void )
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{
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}
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void CDragLabel::mousePressEvent( TQMouseEvent *e )
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{
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if( mValid == false || e->button() != Qt::LeftButton || mUrl.isEmpty() == true )
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{
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return;
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}
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mDragOrigin = e->pos();
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mDragPending = true;
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}
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void CDragLabel::mouseMoveEvent( TQMouseEvent *e )
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{
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if( mDragPending == true )
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{
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if( abs(e->x() - mDragOrigin.x()) + abs(e->y() - mDragOrigin.y()) > 5 )
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{
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mDragPending = false;
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//
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// Make drag object, assign pixmap and grab keyboard. The grabbing
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// will allow ESC to abort the drag
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//
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KURL::List uris;
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uris.append(KURL(mUrl));
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KURLDrag *uriDrag = new KURLDrag( uris, this );
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if( uriDrag == 0 ) { return; }
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prepPixmap( *uriDrag );
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grabKeyboard();
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uriDrag->drag();
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releaseKeyboard();
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}
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}
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}
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void CDragLabel::mouseReleaseEvent( TQMouseEvent * )
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{
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mDragPending = false;
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}
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void CDragLabel::setUrl( const TQString &url )
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{
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mUrl = url;
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}
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void CDragLabel::setDragMask( const TQPixmap pix )
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{
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mDragMask = pix;
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}
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void CDragLabel::prepPixmap( KURLDrag &uriDrag )
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{
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if( pixmap() == 0 )
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{
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return;
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}
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TQString text;
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int index = mUrl.findRev( '/', mUrl.length() );
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if( index < 0 )
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{
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text = mUrl;
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}
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else
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{
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text = mUrl.right( mUrl.length() - index - 1 );
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}
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int sep = 2;
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TQRect rect = fontMetrics().boundingRect(text);
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int w = pixmap()->width() + rect.width() + sep + 2;
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int h = fontMetrics().lineSpacing();
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if( pixmap()->height() > h ) { h = pixmap()->height(); }
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TQBitmap mask( w, h, TRUE );
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TQPixmap dragPixmap( w, h );
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dragPixmap.fill( black );
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TQPainter p;
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p.begin( &mask );
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p.setPen( white );
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p.drawPixmap( 0, 0, mDragMask );
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p.drawText( pixmap()->width()+sep, 0, w-pixmap()->width()+sep,
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h, AlignVCenter|AlignLeft, text );
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p.end();
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p.begin( &dragPixmap );
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p.drawPixmap( 0, 0, *pixmap() );
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p.end();
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dragPixmap.setMask( mask );
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TQPoint hotspot( pixmap()->width(), pixmap()->height()/2 );
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uriDrag.setPixmap( dragPixmap, hotspot );
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}
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#include "draglabel.moc"
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