File indexing completed on 2024-12-22 04:39:54

 /***************************************************************************
  *   Copyright (C) 2005-2014 by Linuxstopmotion contributors;              *
  *   see the AUTHORS file for details.                                     *
  *                                                                         *
  *   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.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "framethumbview.h"
 
 #include "framebar.h"
 #include "logger.h"
 #include "thumbdragger.h"
 #include "thumbview.h"
 #include "filenamesfromurlsiterator.h"
 #include "src/domain/domainfacade.h"
 #include "graphics/icons/note.xpm"
 
 #include <QApplication>
 #include <QPainter>
 #include <QStringList>
 #include <QMouseEvent>
 #include <QPixmap>
 #include <QPaintEvent>
 #include <QDropEvent>
 #include <QDrag>
 #include <QMimeData>
 #include <QList>
 #include <QUrl>
 
 class QWidget;
 
 
 FrameThumbView::FrameThumbView(FrameBar *frameBar, QWidget *parent, int number,
         const char *name)
         : ThumbView(frameBar, parent, number, name) {
     stringNumber = QString("%1").arg(number + 1);
     textWidth = 5 + stringNumber.length() * 8;
     selected = false;
     hasSounds = false;
 }
 
 
 FrameThumbView::~FrameThumbView() {
 }
 
 
 void FrameThumbView::mousePressEvent( QMouseEvent * e ) {
     if (e->button() == Qt::LeftButton) {
         if ( !getFrameBar()->isSelecting() ) {
             int selectionFrame = getFrameBar()->getSelectionAnchor();
             int activeScene = getFrameBar()->getActiveScene();
             int activeFrame = getFrameBar()->getActiveFrame();
             int highend = (selectionFrame > activeFrame ) ? selectionFrame : activeFrame;
             int lowend = (selectionFrame < activeFrame ) ? selectionFrame : activeFrame;
             
             // If the user presses inside the selection area this shouldn't trigger
             // setActiveFrame before the mouse button is released. The reason for this is
             // to give the user a chance to drag the items. See mouseReleaseEvent(...)
             if (getNumber() > highend || getNumber() < lowend) {
                 getFrameBar()->updateNewActiveFrame(activeScene, getNumber());
             }
             dragPos = e->pos();
         } else {
             getFrameBar()->setSelection(getNumber());
         }
     }
 }
 
 
 void FrameThumbView::mouseReleaseEvent( QMouseEvent * e ) {
     Logger::get().logDebug("Releasing mouse button inside thumbview");
     if (e->button() == Qt::LeftButton) {
         if ( !getFrameBar()->isSelecting() ) {
             int selectionFrame = getFrameBar()->getSelectionAnchor();
             int activeScene = getFrameBar()->getActiveScene();
             int activeFrame = getFrameBar()->getActiveFrame();
             int highend = (selectionFrame > activeFrame ) ? selectionFrame : activeFrame;
             int lowend = (selectionFrame < activeFrame ) ? selectionFrame : activeFrame;
             if (getNumber() <= highend || getNumber() >= lowend) {
                 getFrameBar()->updateNewActiveFrame(activeScene, getNumber());
             }
         }
     }
 }
 
 
 void FrameThumbView::mouseMoveEvent(QMouseEvent *me) {
     if (me->buttons() & Qt::LeftButton) {
         int distance = (me->pos() - dragPos).manhattanLength();
         if (distance > QApplication::startDragDistance()) {
             startDrag();
         }
     }
     QLabel::mouseMoveEvent(me);
 }
 
 
 void FrameThumbView::mouseDoubleClickEvent( QMouseEvent * ) {
     getFrameBar()->showPreferencesMenu();
 }
 
 
 void FrameThumbView::paintEvent (QPaintEvent * paintEvent) {
     QLabel::paintEvent(paintEvent);
     QPainter painter( this );
     
     if (selected) {
         painter.fillRect( 4, 5, textWidth, 14, QBrush(Qt::white) );
         painter.setPen( Qt::black );
     } else {
         painter.fillRect( 4, 5, textWidth, 14, QBrush(Qt::black) );
         painter.setPen( Qt::white );
     }
         
     painter.drawText(5, 17, stringNumber);
     
     if (this->hasSounds) {
         painter.drawPixmap( width() - 32, 0, QPixmap(note) );
     }
 }
     
 
 void FrameThumbView::startDrag() {
     // If the drag ends on a scene this tells the scene that it is frames that
     // are being moved.
     getFrameBar()->setMovingScene(-1);
 
     QList<QUrl> urls;
 
     int selectionFrame = getFrameBar()->getSelectionAnchor();
     int activeScene = getFrameBar()->getActiveScene();
     int activeFrame = getFrameBar()->getActiveFrame();
     int highend = (selectionFrame > activeFrame ) ? selectionFrame : activeFrame;
     int lowend = (selectionFrame < activeFrame ) ? selectionFrame : activeFrame;
     DomainFacade* facade = DomainFacade::getFacade();
     for (int i = lowend; i <= highend; ++i) {
         const char* imagePath = facade->getImagePath(activeScene, i);
         if (imagePath)
             urls.append(QUrl::fromLocalFile(imagePath));
     }
 
     QDrag *drag = new ThumbDragger(this);
     QMimeData *mimeData = new QMimeData;
 
     mimeData->setUrls(urls);
     drag->setMimeData(mimeData);
 #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
     drag->setPixmap(pixmap(Qt::ReturnByValue));
 #else
     drag->setPixmap(*pixmap());
 #endif
 
     drag->exec(Qt::MoveAction);
 }
 
 
 void FrameThumbView::setHasSounds( bool hasSounds ) {
     this->hasSounds = hasSounds;
     update();
 }
 
 
 void FrameThumbView::setNumber( int number ) {
     ThumbView::setNumber(number);
     stringNumber = QString("%1").arg(number + 1);
     textWidth = 5 + stringNumber.length() * 8;
     update();
 }
 
 
 void FrameThumbView::setSelected(bool selected) {
     this->selected = selected;
     if (selected) {
         setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
         setLineWidth(5);
         setMidLineWidth(6);
     } else {
         setFrameShape(QFrame::NoFrame);
     }
 }
 
 /**
  * Moves the frames dropped to just after this frame if the frames are being
  * moved to the right, or just before this frame if the frames are being moved
  * to the left. This slightly bizarre behaviour feels right to users who expect
  * a moved frame to appear where they dropped it.
  */
 void FrameThumbView::contentsDropped(QDropEvent * event) {
     DomainFacade* facade = DomainFacade::getFacade();
     int activeScene = getFrameBar()->getActiveScene();
     if (event->source() == 0) {
         Logger::get().logDebug("Adding picture(s)");
         if ( event->mimeData()->hasUrls() ) {
             QList<QUrl> urls = event->mimeData()->urls();
             FileNamesFromUrlsIterator fNames(urls.begin(), urls.end());
             DomainFacade::getFacade()->addFrames(activeScene, getNumber(), fNames);
         }
     } else if (getFrameBar()->getMovingScene() == -1) {
         Logger::get().logDebug("Moving picture");
         int selectionFrame = getFrameBar()->getSelectionAnchor();
         int activeFrame = getFrameBar()->getActiveFrame();
         int highend = (selectionFrame > activeFrame)?
                 selectionFrame : activeFrame;
         int lowend = (selectionFrame < activeFrame )?
                 selectionFrame : activeFrame;
         int destination = activeFrame < getNumber()? getNumber() + 1 : getNumber();
         facade->moveFrames(activeScene, lowend,
                 highend - lowend + 1, activeScene, destination);
     }
 }