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55 | pj | 1 | /* |
2 | * Mesa 3-D graphics library |
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3 | * Version: 4.0 |
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4 | * Copyright (C) 1995-1998 Brian Paul |
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5 | * |
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6 | * This library is free software; you can redistribute it and/or |
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7 | * modify it under the terms of the GNU Library General Public |
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8 | * License as published by the Free Software Foundation; either |
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9 | * version 2 of the License, or (at your option) any later version. |
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10 | * |
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11 | * This library is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | * Library General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU Library General Public |
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17 | * License along with this library; if not, write to the Free |
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18 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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19 | */ |
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20 | |||
21 | /* |
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22 | * DOS/DJGPP glut driver v1.0 for Mesa 4.0 |
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23 | * |
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24 | * Copyright (C) 2002 - Borca Daniel |
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25 | * Email : dborca@yahoo.com |
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26 | * Web : http://www.geocities.com/dborca |
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27 | */ |
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28 | |||
29 | |||
30 | #include "GL/glut.h" |
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31 | #include "internal.h" |
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32 | |||
33 | |||
34 | void APIENTRY glutInit (int *argcp, char **argv) |
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35 | { |
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36 | glutGet(GLUT_ELAPSED_TIME); |
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37 | } |
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38 | |||
39 | |||
40 | void APIENTRY glutInitDisplayMode (unsigned int mode) |
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41 | { |
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42 | g_display_mode = mode; |
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43 | |||
44 | pc_install_keyb(); |
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45 | g_mouse = pc_install_mouse(); |
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46 | } |
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47 | |||
48 | |||
49 | void APIENTRY glutInitWindowPosition (int x, int y) |
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50 | { |
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51 | g_xpos = x; |
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52 | g_ypos = y; |
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53 | } |
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54 | |||
55 | |||
56 | void APIENTRY glutInitWindowSize (int width, int height) |
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57 | { |
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58 | g_width = width; |
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59 | g_height = height; |
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60 | } |
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61 | |||
62 | |||
63 | void APIENTRY glutMainLoop (void) |
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64 | { |
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65 | GLboolean idle; |
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66 | static int old_mouse_x = 0; |
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67 | static int old_mouse_y = 0; |
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68 | static int old_mouse_b = 0; |
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69 | |||
70 | glutPostRedisplay(); |
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71 | if (reshape_func) reshape_func(g_width, g_height); |
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72 | if (visibility_func) visibility_func(GLUT_VISIBLE); |
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73 | if (g_mouse) pc_show_mouse(); |
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74 | |||
75 | while (GL_TRUE) { |
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76 | idle = GL_TRUE; |
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77 | |||
78 | if (g_redisplay && display_func) { |
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79 | idle = GL_FALSE; |
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80 | g_redisplay = GL_FALSE; |
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81 | |||
82 | if (g_mouse && !(g_display_mode & GLUT_DOUBLE)) pc_scare_mouse(); |
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83 | display_func(); |
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84 | if (g_mouse && !(g_display_mode & GLUT_DOUBLE)) pc_unscare_mouse(); |
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85 | } |
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86 | |||
87 | if (pc_keypressed()) { |
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88 | int key; |
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89 | |||
90 | idle = GL_FALSE; |
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91 | key = pc_readkey(); |
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92 | |||
93 | switch (key>>16) { |
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94 | case KEY_F1: if (special_func) special_func(GLUT_KEY_F1, 0, 0); break; |
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95 | case KEY_F2: if (special_func) special_func(GLUT_KEY_F2, 0, 0); break; |
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96 | case KEY_F3: if (special_func) special_func(GLUT_KEY_F3, 0, 0); break; |
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97 | case KEY_F4: if (special_func) special_func(GLUT_KEY_F4, 0, 0); break; |
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98 | case KEY_F5: if (special_func) special_func(GLUT_KEY_F5, 0, 0); break; |
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99 | case KEY_F6: if (special_func) special_func(GLUT_KEY_F6, 0, 0); break; |
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100 | case KEY_F7: if (special_func) special_func(GLUT_KEY_F7, 0, 0); break; |
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101 | case KEY_F8: if (special_func) special_func(GLUT_KEY_F8, 0, 0); break; |
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102 | case KEY_F9: if (special_func) special_func(GLUT_KEY_F9, 0, 0); break; |
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103 | case KEY_F10: if (special_func) special_func(GLUT_KEY_F10, 0, 0); break; |
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104 | case KEY_F11: if (special_func) special_func(GLUT_KEY_F11, 0, 0); break; |
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105 | case KEY_F12: if (special_func) special_func(GLUT_KEY_F12, 0, 0); break; |
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106 | case KEY_LEFT: if (special_func) special_func(GLUT_KEY_LEFT, 0, 0); break; |
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107 | case KEY_UP: if (special_func) special_func(GLUT_KEY_UP, 0, 0); break; |
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108 | case KEY_RIGHT: if (special_func) special_func(GLUT_KEY_RIGHT, 0, 0); break; |
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109 | case KEY_DOWN: if (special_func) special_func(GLUT_KEY_DOWN, 0, 0); break; |
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110 | case KEY_PGUP: if (special_func) special_func(GLUT_KEY_PAGE_UP, 0, 0); break; |
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111 | case KEY_PGDN: if (special_func) special_func(GLUT_KEY_PAGE_DOWN, 0, 0); break; |
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112 | case KEY_HOME: if (special_func) special_func(GLUT_KEY_HOME, 0, 0); break; |
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113 | case KEY_END: if (special_func) special_func(GLUT_KEY_END, 0, 0); break; |
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114 | case KEY_INSERT: if (special_func) special_func(GLUT_KEY_INSERT, 0, 0); break; |
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115 | default: if (keyboard_func) keyboard_func(key & 0xFF, 0, 0); |
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116 | } |
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117 | } |
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118 | |||
119 | if (g_mouse) { |
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120 | int mouse_x; |
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121 | int mouse_y; |
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122 | int mouse_b; |
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123 | |||
124 | mouse_b = pc_query_mouse(&mouse_x, &mouse_y); |
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125 | |||
126 | if (motion_func && ((mouse_x != old_mouse_x) || (mouse_y != old_mouse_y))) { |
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127 | idle = GL_FALSE; |
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128 | old_mouse_x = mouse_x; |
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129 | old_mouse_y = mouse_y; |
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130 | |||
131 | motion_func(old_mouse_x, old_mouse_y); |
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132 | } |
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133 | |||
134 | if (mouse_func && (mouse_b != old_mouse_b)) { |
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135 | int new_mouse_b = mouse_b; |
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136 | |||
137 | if ((old_mouse_b & 1) && !(new_mouse_b & 1)) |
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138 | mouse_func(GLUT_LEFT_BUTTON, GLUT_UP, mouse_x, mouse_y); |
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139 | else if (!(old_mouse_b & 1) && (new_mouse_b & 1)) |
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140 | mouse_func(GLUT_LEFT_BUTTON, GLUT_DOWN, mouse_x, mouse_y); |
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141 | |||
142 | if ((old_mouse_b & 2) && !(new_mouse_b & 2)) |
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143 | mouse_func(GLUT_RIGHT_BUTTON, GLUT_UP, mouse_x, mouse_y); |
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144 | else if (!(old_mouse_b & 2) && (new_mouse_b & 2)) |
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145 | mouse_func(GLUT_RIGHT_BUTTON, GLUT_DOWN, mouse_x, mouse_y); |
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146 | |||
147 | if ((old_mouse_b & 4) && !(new_mouse_b & 4)) |
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148 | mouse_func(GLUT_MIDDLE_BUTTON, GLUT_UP, mouse_x, mouse_y); |
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149 | else if (!(old_mouse_b & 3) && (new_mouse_b & 4)) |
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150 | mouse_func(GLUT_MIDDLE_BUTTON, GLUT_DOWN, mouse_x, mouse_y); |
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151 | |||
152 | idle = GL_FALSE; |
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153 | old_mouse_b = new_mouse_b; |
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154 | } |
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155 | } |
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156 | |||
157 | if (idle && idle_func) |
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158 | idle_func(); |
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159 | } |
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160 | } |