yamf/tools/view/hand.cpp

   1
   2 /***************************************************************************
   3  *   Copyright (C) 2007 by Jorge Cuadrado                                  *
   4  *   kuadrosxx@gmail.com                                                     *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  20  ***************************************************************************/
  21
  22 #include "hand.h"
  23
  24 #include <drawing/photogram.h>
  25 #include <drawing/brushmanager.h>
  26 #include <drawing/paintarea.h>
  27 #include <model/frame.h>
  28
  29 #include <dgui/action.h>
  30 #include <dgui/iconloader.h>
  31 #include <dcore/debug.h>
  32
  33 #include <QPointF>
  34 #include <QIcon>
  35 #include <QKeySequence>
  36 #include <QMatrix>
  37 #include <QGraphicsLineItem>
  38 #include <QGraphicsView>
  39 #include <QGraphicsRectItem>
  40 #include <QGraphicsSceneMouseEvent>
  41
  42 namespace YAMF {
  43
  44 namespace Drawing {
  45
  46 namespace Tool {
  47
  48 struct Hand::Private
  49 {
  50         DGui::Action *action;
  51         PaintArea *paintarea;
  52 };
  53
  54 /**
  55  * @~spanish
  56  * Construye la herramienta.
  57  */
  58 Hand::Hand(QObject *parent)
  59  : Drawing::AbstractTool(parent), d(new Private)
  60 {
  61         d->action =  new DGui::Action( DGui::IconLoader::self()->load(".svg"), tr("Hand"), this);
  62         d->paintarea = 0;
  63 }
  64
  65 /**
  66  * Destructor
  67  */
  68 Hand::~Hand()
  69 {
  70         delete d;
  71 }
  72
  73 /**
  74  * @~spanish
  75  * Inicializa la herramienta, evita que los items dentro de el fotograma se puedan mover o seleccionar.
  76  */
  77 void Hand::init(Photogram *photogram)
  78 {
  79         foreach(QGraphicsView * view, photogram->views())
  80         {
  81                 view->setDragMode ( QGraphicsView::NoDrag );
  82
  83                 if ( QGraphicsScene *photogram = qobject_cast<QGraphicsScene *>(view->scene()) )
  84                 {
  85                         foreach(QGraphicsItem *item, photogram->items() )
  86                         {
  87                                 item->setFlag(QGraphicsItem::ItemIsSelectable, false);
  88                                 item->setFlag(QGraphicsItem::ItemIsMovable, false);
  89                         }
  90                 }
  91         }
  92 }
  93
  94 /**
  95  * @~spanish
  96  * Retorna el id de la herramienta.
  97  */
  98 QString Hand::id() const
  99 {
 100         return tr("Hand");
 101 }
 102
 103 /**
 104  * @~spanish
 105  * Función sobrecargada para habilitar la carateristica de la herramieta.
 106  */
 107 void Hand::press(const QGraphicsSceneMouseEvent *input)
 108 {
 109         Q_UNUSED(input)
 110         PaintArea *paintArea = this->paintArea();
 111         paintArea->setDragMode(QGraphicsView::ScrollHandDrag);
 112         d->paintarea = paintArea;
 113 }
 114
 115 /**
 116  * @~spanish
 117  * Función sobrecargada para habilitar la carateristica de la herramieta.
 118  */
 119 void Hand::move(const QGraphicsSceneMouseEvent *input)
 120 {
 121         Q_UNUSED(input)
 122 }
 123
 124 /**
 125  * @~spanish
 126  * Función sobrecargada para habilitar la carateristica de la herramieta.
 127  */
 128 void Hand::release(const QGraphicsSceneMouseEvent *input)
 129 {
 130         Q_UNUSED(input)
 131 }
 132
 133 /**
 134  * @~spanish
 135  * Retorna la acción que representa la herramienta.
 136  */
 137 DGui::Action *Hand::action() const
 138 {
 139         return d->action;
 140 }
 141
 142 /**
 143  * @~spanish
 144  * Retorna que la herramienta es de tipo View.
 145  */
 146 int Hand::type() const
 147 {
 148         return AbstractTool::View;
 149 }
 150
 151 /**
 152  * @~spanish
 153  * Función sobrecargada para desactivar la caracteristica de la herramienta.
 154  */
 155 void Hand::aboutToChangeTool()
 156 {
 157         if(d->paintarea)
 158                 d->paintarea->setDragMode(QGraphicsView::NoDrag);
 159 }
 160
 161
 162 }
 163
 164 }
 165
 166 }