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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #ifndef __APPLE__
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4 #include <GL/glut.h>
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5 #else
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6 #include <GLUT/glut.h>
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7 #endif
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8 #include "imtk.h"
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9
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10 void disp(void);
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11 void gui(void);
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12 void reshape(int x, int y);
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13 void keyb(unsigned char key, int x, int y);
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14 void keyb_up(unsigned char key, int x, int y);
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15 void skeyb(int key, int x, int y);
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16 void skeyb_up(int key, int x, int y);
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17 void mouse(int bn, int state, int x, int y);
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18 void motion(int x, int y);
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19
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20
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21 int main(int argc, char **argv)
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22 {
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23 glutInitWindowSize(800, 600);
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24 glutInit(&argc, argv);
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25 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
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26 glutCreateWindow("imgui test");
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27
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28 glutDisplayFunc(disp);
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29 glutReshapeFunc(reshape);
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30 glutKeyboardFunc(keyb);
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31 glutKeyboardUpFunc(keyb_up);
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32 glutSpecialFunc(skeyb);
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33 glutSpecialUpFunc(skeyb_up);
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34 glutMouseFunc(mouse);
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35 glutMotionFunc(motion);
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36 glutPassiveMotionFunc(motion);
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37
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38 glutMainLoop();
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39 return 0;
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40 }
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41
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42 void disp(void)
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43 {
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44 glClearColor(0.6, 0.6, 0.6, 0.0);
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45 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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46
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47 gui();
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48
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49 glutSwapBuffers();
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50 }
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51
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52 void gui(void)
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53 {
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54 static int bnshow;
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55
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56 imtk_begin();
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57
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58 if(imtk_button(IMUID, "foobar", 100, 100)) {
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59 printf("clicked button 0\n");
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60 }
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61 if(imtk_button(IMUID, "xyzzy", 100, 200)) {
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62 printf("clicked button 1\n");
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63 }
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64 if(imtk_button(IMUID, "Quit", 100, 500)) {
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65 exit(0);
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66 }
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67
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68 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 100, 260, bnshow))) {
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69 if(imtk_button(IMUID, "I was hidden!", 130, 300)) {
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70 printf("you clicked the hidden button!\n");
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71 }
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72 }
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73
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74 imtk_end();
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75 }
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76
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77 void reshape(int x, int y)
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78 {
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79 glViewport(0, 0, x, y);
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80 imtk_inp_reshape(x, y);
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81
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82 glMatrixMode(GL_PROJECTION);
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83 glLoadIdentity();
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84 glTranslatef(-1, -1, 0);
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85 glScalef(2.0 / x, 2.0 / y, 1.0);
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86 }
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87
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88 void keyb(unsigned char key, int x, int y)
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89 {
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90 switch(key) {
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91 case 27:
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92 exit(0);
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93
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94 default:
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95 break;
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96 }
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97
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98 imtk_inp_key(key, IMTK_DOWN);
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99 }
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100
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101 void keyb_up(unsigned char key, int x, int y)
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102 {
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103 imtk_inp_key(key, IMTK_UP);
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104 }
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105
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106 void skeyb(int key, int x, int y)
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107 {
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108 imtk_inp_key(key, IMTK_DOWN);
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109 }
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110
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111 void skeyb_up(int key, int x, int y)
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112 {
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113 imtk_inp_key(key, IMTK_UP);
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114 }
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115
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116 void mouse(int bn, int state, int x, int y)
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117 {
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118 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
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119 }
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120
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121 void motion(int x, int y)
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122 {
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123 imtk_inp_motion(x, y);
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124 }
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