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CursorPainter.hh
1/*===========================================================================*\
2* *
3* OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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39* *
40\*===========================================================================*/
41
42
43
44#ifndef CURSORPAINTER_HH
45#define CURSORPAINTER_HH
46
47//== INCLUDES =================================================================
48
49#include <QObject>
50#include <QCursor>
51#include <QVector>
52#include <QRectF>
53
54#include <ACG/GL/GLState.hh>
56
57//== NAMESPACES ===============================================================
58
59//== FORWARDDECLARATIONS ======================================================
60class glViewer;
61
62//== CLASS DEFINITION =========================================================
63
64
68class DLLEXPORT CursorPainter : public QObject
69{
70 Q_OBJECT
71
72 public:
74 explicit CursorPainter (QObject *_parent = 0);
75
78
80 void setCursor (const QCursor &_cursor);
81
83 void initializeGL ();
84
86 void registerViewer (glViewer *_viewer);
87
89 void paintCursor (ACG::GLState *_state);
90
92 void updateCursorPosition (QPointF _scenePos);
93
95 QPointF cursorPosition ();
96
98 void setEnabled (bool _enabled);
99
101 void setForceNative (bool _enabled);
102
104 bool enabled ();
105
107 void setMouseIn (bool _in);
108
110 QRectF cursorBoundingBox ();
111
112 private:
113 // Create a texture for the cursor
114 void cursorToTexture ();
115 void cursorToCursor ();
116
117 private:
118 QCursor cursor_;
119 QCursor nativeCursor_;
120 QPointF cursorPos_;
121
122 bool initialized_;
123
124 QVector<glViewer *> views_;
125
126 bool enabled_;
127 bool mouseIn_;
128 bool forceNative_;
129
130 // x and y offset between click position and texture (hotspot)
131 int xOff_;
132 int yOff_;
133 GLuint texture_;
134 bool hasCursor_;
135};
136
137//=============================================================================
138#endif
139//=============================================================================
#define DLLEXPORT