Mercurial > projects > qtd
annotate examples/opengl/hellogl/glwidget.d @ 323:7a3c43424dca signals
make all examples compile with new signals/slots
| author | eldar_ins@eldar-laptop |
|---|---|
| date | Mon, 28 Dec 2009 16:28:55 +0500 |
| parents | 1f6923c8cba0 |
| children |
| rev | line source |
|---|---|
| 1 | 1 /**************************************************************************** |
| 2 ** | |
| 3 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). | |
| 4 ** Contact: Qt Software Information (qt-info@nokia.com) | |
| 5 ** | |
| 6 ** This file is part of the example classes of the Qt Toolkit. | |
| 7 ** | |
| 8 ** Commercial Usage | |
| 9 ** Licensees holding valid Qt Commercial licenses may use this file in | |
| 10 ** accordance with the Qt Commercial License Agreement provided with the | |
| 11 ** Software or, alternatively, in accordance with the terms contained in | |
| 12 ** a written agreement between you and Nokia. | |
| 13 ** | |
| 14 ** | |
| 15 ** GNU General Public License Usage | |
| 16 ** Alternatively, this file may be used under the terms of the GNU | |
| 17 ** General Public License versions 2.0 or 3.0 as published by the Free | |
| 18 ** Software Foundation and appearing in the file LICENSE.GPL included in | |
| 19 ** the packaging of this file. Please review the following information | |
| 20 ** to ensure GNU General Public Licensing requirements will be met: | |
| 21 ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and | |
| 22 ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special | |
| 23 ** exception, Nokia gives you certain additional rights. These rights | |
| 24 ** are described in the Nokia Qt GPL Exception version 1.3, included in | |
| 25 ** the file GPL_EXCEPTION.txt in this package. | |
| 26 ** | |
| 27 ** Qt for Windows(R) Licensees | |
| 28 ** As a special exception, Nokia, as the sole copyright holder for Qt | |
| 29 ** Designer, grants users of the Qt/Eclipse Integration plug-in the | |
| 30 ** right for the Qt/Eclipse Integration to link to functionality | |
| 31 ** provided by Qt Designer and its related libraries. | |
| 32 ** | |
| 33 ** If you are unsure which license is appropriate for your use, please | |
| 34 ** contact the sales department at qt-sales@nokia.com. | |
| 35 ** | |
| 36 ****************************************************************************/ | |
| 37 | |
| 215 | 38 import std.math; |
| 39 import std.conv; | |
| 1 | 40 |
| 41 import qt.core.QPoint; | |
| 42 import qt.gui.QMouseEvent; | |
| 43 import qt.opengl.QGLWidget; | |
| 44 import qt.gui.QColor; | |
| 45 import qt.core.QSize; | |
| 46 import qt.opengl.gl; | |
| 47 import qt.opengl.glu; | |
| 48 | |
| 49 class GLWidget : QGLWidget | |
| 50 { | |
| 51 // Q_OBJECT | |
| 5 | 52 |
| 1 | 53 public: |
| 54 this(QWidget parent = null) | |
| 55 { | |
| 56 super(parent); | |
| 57 object = 0; | |
| 58 xRot = 0; | |
| 59 yRot = 0; | |
| 60 zRot = 0; | |
| 5 | 61 |
| 1 | 62 trolltechGreen = QColor.fromCmykF(0.40, 0.0, 1.0, 0.0); |
| 63 trolltechPurple = QColor.fromCmykF(0.39, 0.39, 0.0, 0.0); | |
| 64 } | |
| 5 | 65 |
| 1 | 66 ~this() |
| 67 { | |
| 68 makeCurrent(); | |
| 69 glDeleteLists(object, 1); | |
| 5 | 70 } |
| 71 | |
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72 QSize minimumSizeHint() const |
| 1 | 73 { |
| 74 return QSize(50, 50); | |
| 75 } | |
| 76 | |
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77 QSize sizeHint() const |
| 1 | 78 { |
| 79 return QSize(400, 400); | |
| 80 } | |
| 81 | |
| 82 | |
| 83 public: // slots: | |
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84 void slot_setXRotation(int angle) |
| 1 | 85 { |
| 86 normalizeAngle(&angle); | |
| 87 if (angle != xRot) { | |
| 88 xRot = angle; | |
| 284 | 89 xRotationChanged(angle); |
| 1 | 90 updateGL(); |
| 91 } | |
| 92 } | |
| 5 | 93 |
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94 void slot_setYRotation(int angle) |
| 1 | 95 { |
| 96 normalizeAngle(&angle); | |
| 97 if (angle != yRot) { | |
| 98 yRot = angle; | |
| 284 | 99 yRotationChanged(angle); |
| 1 | 100 updateGL(); |
| 101 } | |
| 102 } | |
| 5 | 103 |
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104 void slot_setZRotation(int angle) |
| 1 | 105 { |
| 106 normalizeAngle(&angle); | |
| 107 if (angle != zRot) { | |
| 108 zRot = angle; | |
| 284 | 109 zRotationChanged(angle); |
| 1 | 110 updateGL(); |
| 111 } | |
| 112 } | |
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113 |
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114 final // signals |
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115 { |
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116 void signal_xRotationChanged(int); |
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117 void signal_yRotationChanged(int); |
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118 void signal_zRotationChanged(int); |
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119 } |
| 1 | 120 |
| 121 protected: | |
| 122 void initializeGL() | |
| 123 { | |
| 124 qglClearColor(trolltechPurple.darker()); | |
| 125 object = makeObject(); | |
| 126 glShadeModel(GL_FLAT); | |
| 127 glEnable(GL_DEPTH_TEST); | |
| 128 glEnable(GL_CULL_FACE); | |
| 129 } | |
| 130 | |
| 131 void paintGL() | |
| 132 { | |
| 133 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 134 glLoadIdentity(); | |
| 135 glTranslated(0.0, 0.0, -10.0); | |
| 136 glRotated(xRot / 16.0, 1.0, 0.0, 0.0); | |
| 137 glRotated(yRot / 16.0, 0.0, 1.0, 0.0); | |
| 138 glRotated(zRot / 16.0, 0.0, 0.0, 1.0); | |
| 139 glCallList(object); | |
| 140 } | |
| 141 | |
| 142 void resizeGL(int width, int height) | |
| 143 { | |
| 144 int side = qMin(width, height); | |
| 145 glViewport((width - side) / 2, (height - side) / 2, side, side); | |
| 5 | 146 |
| 1 | 147 glMatrixMode(GL_PROJECTION); |
| 148 glLoadIdentity(); | |
| 149 glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0); | |
| 150 glMatrixMode(GL_MODELVIEW); | |
| 151 } | |
| 152 | |
| 153 void mousePressEvent(QMouseEvent event) | |
| 154 { | |
| 155 lastPos = QPoint(event.pos.x, event.pos.y); | |
| 156 } | |
| 5 | 157 |
| 1 | 158 void mouseMoveEvent(QMouseEvent event) |
| 159 { | |
| 160 int dx = event.x - lastPos.x; | |
| 161 int dy = event.y - lastPos.y; | |
| 5 | 162 |
| 1 | 163 if (event.buttons() & Qt.LeftButton) { |
| 164 setXRotation(xRot + 8 * dy); | |
| 165 setYRotation(yRot + 8 * dx); | |
| 166 } else if (event.buttons() & Qt.RightButton) { | |
| 167 setXRotation(xRot + 8 * dy); | |
| 168 setZRotation(zRot + 8 * dx); | |
| 169 } | |
| 170 lastPos = QPoint(event.pos.x, event.pos.y); | |
| 171 } | |
| 172 private: | |
| 173 GLuint makeObject() | |
| 174 { | |
| 175 GLuint list = glGenLists(1); | |
| 176 glNewList(list, GL_COMPILE); | |
| 5 | 177 |
| 1 | 178 glBegin(GL_QUADS); |
| 5 | 179 |
| 1 | 180 GLdouble x1 = +0.06; |
| 181 GLdouble y1 = -0.14; | |
| 182 GLdouble x2 = +0.14; | |
| 183 GLdouble y2 = -0.06; | |
| 184 GLdouble x3 = +0.08; | |
| 185 GLdouble y3 = +0.00; | |
| 186 GLdouble x4 = +0.30; | |
| 187 GLdouble y4 = +0.22; | |
| 5 | 188 |
| 1 | 189 quad(x1, y1, x2, y2, y2, x2, y1, x1); |
| 190 quad(x3, y3, x4, y4, y4, x4, y3, x3); | |
| 5 | 191 |
| 1 | 192 extrude(x1, y1, x2, y2); |
| 193 extrude(x2, y2, y2, x2); | |
| 194 extrude(y2, x2, y1, x1); | |
| 195 extrude(y1, x1, x1, y1); | |
| 196 extrude(x3, y3, x4, y4); | |
| 197 extrude(x4, y4, y4, x4); | |
| 198 extrude(y4, x4, y3, x3); | |
| 5 | 199 |
| 1 | 200 const double Pi = 3.14159265358979323846; |
| 201 const int NumSectors = 200; | |
| 5 | 202 |
| 1 | 203 for (int i = 0; i < NumSectors; ++i) { |
| 204 double angle1 = (i * 2 * Pi) / NumSectors; | |
| 205 GLdouble x5 = 0.30 * sin(angle1); | |
| 206 GLdouble y5 = 0.30 * cos(angle1); | |
| 207 GLdouble x6 = 0.20 * sin(angle1); | |
| 208 GLdouble y6 = 0.20 * cos(angle1); | |
| 5 | 209 |
| 1 | 210 double angle2 = ((i + 1) * 2 * Pi) / NumSectors; |
| 211 GLdouble x7 = 0.20 * sin(angle2); | |
| 212 GLdouble y7 = 0.20 * cos(angle2); | |
| 213 GLdouble x8 = 0.30 * sin(angle2); | |
| 214 GLdouble y8 = 0.30 * cos(angle2); | |
| 5 | 215 |
| 1 | 216 quad(x5, y5, x6, y6, x7, y7, x8, y8); |
| 5 | 217 |
| 1 | 218 extrude(x6, y6, x7, y7); |
| 219 extrude(x8, y8, x5, y5); | |
| 220 } | |
| 5 | 221 |
| 1 | 222 glEnd(); |
| 223 | |
| 224 glEndList(); | |
| 225 return list; | |
| 226 } | |
| 5 | 227 |
| 1 | 228 void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2, |
| 229 GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4) | |
| 230 { | |
| 231 qglColor(trolltechGreen); | |
| 5 | 232 |
| 1 | 233 glVertex3d(x1, y1, -0.05); |
| 234 glVertex3d(x2, y2, -0.05); | |
| 235 glVertex3d(x3, y3, -0.05); | |
| 236 glVertex3d(x4, y4, -0.05); | |
| 5 | 237 |
| 1 | 238 glVertex3d(x4, y4, +0.05); |
| 239 glVertex3d(x3, y3, +0.05); | |
| 240 glVertex3d(x2, y2, +0.05); | |
| 241 glVertex3d(x1, y1, +0.05); | |
| 242 } | |
| 5 | 243 |
| 1 | 244 void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2) |
| 245 { | |
| 215 | 246 qglColor(trolltechGreen.darker(to!(int)(rndtol(250 + (100 * x1))))); |
| 5 | 247 |
| 1 | 248 glVertex3d(x1, y1, +0.05); |
| 249 glVertex3d(x2, y2, +0.05); | |
| 250 glVertex3d(x2, y2, -0.05); | |
| 251 glVertex3d(x1, y1, -0.05); | |
| 252 } | |
| 5 | 253 |
| 1 | 254 void normalizeAngle(int *angle) |
| 255 { | |
| 256 while (*angle < 0) | |
| 257 *angle += 360 * 16; | |
| 258 while (*angle > 360 * 16) | |
| 259 *angle -= 360 * 16; | |
| 260 } | |
| 5 | 261 |
| 1 | 262 GLuint object; |
| 263 int xRot; | |
| 264 int yRot; | |
| 265 int zRot; | |
| 266 QPoint lastPos; | |
| 267 QColor trolltechGreen; | |
| 268 QColor trolltechPurple; | |
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269 |
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270 mixin Q_OBJECT; |
| 1 | 271 } |