sceneTools.hh 5.27 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
2
3
/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
Martin Schultz's avatar
Martin Schultz committed
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
Jan Möbius's avatar
Jan Möbius committed
39
40
41
42
43
44
45
46
47
48
*                                                                            *
\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

#ifndef VSI_SCENETOOLS_HH
#define VSI_SCENETOOLS_HH

//== INCLUDES =================================================================
#include <QGraphicsProxyWidget>
#include <QString>

//== NAMESPACES ===============================================================
namespace VSI {

//== FORWARDDECLARATIONS ======================================================
class GraphicsScene;
class Arrow;
class Trash;
class ZoomButton;
class FunctionDisplay;

//== CLASS DEFINITION =========================================================

/** Widget that acts as parent for the scene manipulation widgets (Arrows, ZoomButtons, Trash, ...)
  * It layouts itself (and also its childs) to the visible scene rectangle. It also
  * forwards events from the scene to its child widgets
  */
class SceneTools : public QGraphicsWidget
{
  Q_OBJECT

  public:

    /// Constructor
Jan Möbius's avatar
Jan Möbius committed
80
    explicit SceneTools (GraphicsScene *_scene);
Jan Möbius's avatar
 
Jan Möbius committed
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113

    /// Destructor
    ~SceneTools ();

    /// Handles mouse movement (will be called by the scene, if the mouse with a draged element is moved)
    void mouseMove (QPointF _pos);

    /// Handles mouse release (will be called by the scene, if the element is dropped)
    void mouseRelease (QPointF _pos, QGraphicsItem *_item);

  private slots:

    // handle scene size changes
    void sceneRectChanged (const QRectF &_rect);

    // update arrow depending on visible scene rect
    void updateArrows ();

  private:
    GraphicsScene *scene_;

    Arrow *arrows_[5];
    Trash *trash_;
    ZoomButton *zoom_[2];

    FunctionDisplay *fDisplay_;
};

//=============================================================================
}
//=============================================================================

#endif