File indexing completed on 2024-04-14 14:31:55

 /*
  * Copyright 1999 by Martin R. Jones <mjones@kde.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 #include "amorwidget.h"
 
 #include <QBitmap>
 #include <QPainter>
 #include <QMouseEvent>
 #include <QApplication>
 
 #include <QDebug>
 
 AmorWidget::AmorWidget()
   : QWidget( nullptr, Qt::X11BypassWindowManagerHint | Qt::WindowStaysOnTopHint ),
     m_pixmap( nullptr ),
     m_dragging( false )
 {
 }
 
 
 #include <iostream>
 
 void AmorWidget::setPixmap(const QPixmap *pixmap)
 {
     m_pixmap = pixmap;
 
     if ( pixmap ) {
         const auto dpr = qApp->devicePixelRatio();
         const auto mask = m_pixmap->scaled(m_pixmap->width() * dpr, m_pixmap->height() * dpr,
                                            Qt::KeepAspectRatio, Qt::FastTransformation).mask();
         if (!mask.isNull()) {
             setMask(mask);
             repaint();
         }
         update();
     }
 }
 
 
 void AmorWidget::paintEvent(QPaintEvent *)
 {
     if( m_pixmap ) {
         QPainter p( this );
         p.drawPixmap( 0, 0, *m_pixmap);
     }
 }
 
 
 void AmorWidget::mousePressEvent(QMouseEvent *me)
 {
     m_clickPos = me->globalPos();
 }
 
 
 void AmorWidget::mouseMoveEvent(QMouseEvent *me)
 {
     if( me->buttons() & Qt::LeftButton ) {
         if( !m_dragging && ( m_clickPos-me->globalPos() ).manhattanLength() > 3 ) {
             m_dragging = true;
         }
         if( m_dragging ) {
             Q_EMIT dragged( me->globalPos() - m_clickPos, false );
             m_clickPos = me->globalPos();
         }
     }
 }
 
 
 void AmorWidget::mouseReleaseEvent(QMouseEvent *me)
 {
     if( m_dragging ) {
         Q_EMIT dragged( me->globalPos() - m_clickPos, true );
     }
     else if( me->button() == Qt::RightButton ) {
         Q_EMIT mouseClicked(me->globalPos());
     }
 
     m_clickPos = QPoint();
     m_dragging = false;
 }
 
 
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