imtk

annotate test.c @ 3:038e5577d527

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added slider and progress bar widgets
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 31 Dec 2010 18:10:13 +0200
parents 3d661dd17af3
children 00a4ea4ee6dc
rev   line source
nuclear@0 1 #include <stdio.h>
nuclear@0 2 #include <stdlib.h>
nuclear@2 3 #include <assert.h>
nuclear@0 4 #ifndef __APPLE__
nuclear@0 5 #include <GL/glut.h>
nuclear@0 6 #else
nuclear@0 7 #include <GLUT/glut.h>
nuclear@0 8 #endif
nuclear@0 9 #include "imtk.h"
nuclear@0 10
nuclear@0 11 void disp(void);
nuclear@1 12 void gui(void);
nuclear@0 13 void reshape(int x, int y);
nuclear@0 14 void keyb(unsigned char key, int x, int y);
nuclear@0 15 void keyb_up(unsigned char key, int x, int y);
nuclear@0 16 void skeyb(int key, int x, int y);
nuclear@0 17 void skeyb_up(int key, int x, int y);
nuclear@0 18 void mouse(int bn, int state, int x, int y);
nuclear@0 19 void motion(int x, int y);
nuclear@0 20
nuclear@2 21 int xsz, ysz;
nuclear@3 22 float angle;
nuclear@0 23
nuclear@0 24 int main(int argc, char **argv)
nuclear@0 25 {
nuclear@2 26 float lpos[] = {-1, 1, 1, 0};
nuclear@2 27 float white[] = {1, 1, 1, 1};
nuclear@2 28 float color[] = {0.9, 0.8, 0.73, 1};
nuclear@2 29
nuclear@0 30 glutInitWindowSize(800, 600);
nuclear@0 31 glutInit(&argc, argv);
nuclear@0 32 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
nuclear@0 33 glutCreateWindow("imgui test");
nuclear@0 34
nuclear@0 35 glutDisplayFunc(disp);
nuclear@0 36 glutReshapeFunc(reshape);
nuclear@0 37 glutKeyboardFunc(keyb);
nuclear@0 38 glutKeyboardUpFunc(keyb_up);
nuclear@0 39 glutSpecialFunc(skeyb);
nuclear@0 40 glutSpecialUpFunc(skeyb_up);
nuclear@0 41 glutMouseFunc(mouse);
nuclear@0 42 glutMotionFunc(motion);
nuclear@0 43 glutPassiveMotionFunc(motion);
nuclear@0 44
nuclear@2 45 glEnable(GL_DEPTH_TEST);
nuclear@2 46 glEnable(GL_CULL_FACE);
nuclear@2 47 glEnable(GL_LIGHTING);
nuclear@2 48 glEnable(GL_LIGHT0);
nuclear@2 49 glLightfv(GL_LIGHT0, GL_POSITION, lpos);
nuclear@2 50
nuclear@2 51 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 52 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
nuclear@2 53 glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 60.0);
nuclear@2 54
nuclear@0 55 glutMainLoop();
nuclear@0 56 return 0;
nuclear@0 57 }
nuclear@0 58
nuclear@0 59 void disp(void)
nuclear@0 60 {
nuclear@0 61 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0 62
nuclear@2 63 glViewport(200, 0, xsz - 200, ysz);
nuclear@2 64
nuclear@2 65 glMatrixMode(GL_PROJECTION);
nuclear@2 66 glLoadIdentity();
nuclear@2 67 gluPerspective(45.0, (float)(xsz - 200) / (float)ysz, 1.0, 1000.0);
nuclear@2 68
nuclear@2 69 glMatrixMode(GL_MODELVIEW);
nuclear@2 70 glLoadIdentity();
nuclear@2 71 glTranslatef(0, 0, -8);
nuclear@2 72 glRotatef(25, 1, 0, 0);
nuclear@3 73 glRotatef(angle, 0, 1, 0);
nuclear@2 74
nuclear@2 75 glFrontFace(GL_CW);
nuclear@2 76 glutSolidTeapot(1.0);
nuclear@2 77 glFrontFace(GL_CCW);
nuclear@2 78
nuclear@2 79
nuclear@2 80 glViewport(0, 0, 200, ysz);
nuclear@2 81 imtk_inp_reshape(200, ysz);
nuclear@2 82
nuclear@1 83 gui();
nuclear@1 84
nuclear@1 85 glutSwapBuffers();
nuclear@2 86 assert(glGetError() == GL_NO_ERROR);
nuclear@1 87 }
nuclear@1 88
nuclear@1 89 void gui(void)
nuclear@1 90 {
nuclear@1 91 static int bnshow;
nuclear@2 92 static char textbuf[256];
nuclear@2 93 static char textbuf2[256];
nuclear@3 94 static float val;
nuclear@1 95
nuclear@0 96 imtk_begin();
nuclear@0 97
nuclear@2 98 glBegin(GL_QUADS);
nuclear@2 99 glColor3f(0.6, 0.6, 0.6);
nuclear@2 100 glVertex2f(0, 0);
nuclear@2 101 glVertex2f(200, 0);
nuclear@2 102 glVertex2f(200, glutGet(GLUT_WINDOW_HEIGHT));
nuclear@2 103 glVertex2f(0, glutGet(GLUT_WINDOW_HEIGHT));
nuclear@2 104 glEnd();
nuclear@2 105
nuclear@2 106 if(imtk_button(IMUID, "red", 30, 50)) {
nuclear@2 107 float color[] = {1, 0.4, 0.3, 1};
nuclear@2 108 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 109 glutPostRedisplay();
nuclear@0 110 }
nuclear@2 111 if(imtk_button(IMUID, "blue", 30, 100)) {
nuclear@2 112 float color[] = {0.3, 0.4, 1, 1};
nuclear@2 113 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 114 glutPostRedisplay();
nuclear@1 115 }
nuclear@1 116
nuclear@2 117 imtk_textbox(IMUID, textbuf, sizeof textbuf, 30, 200);
nuclear@2 118 imtk_textbox(IMUID, textbuf2, sizeof textbuf2, 30, 250);
nuclear@2 119
nuclear@2 120 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 30, 300, bnshow))) {
nuclear@2 121 if(imtk_button(IMUID, "yellow", 50, 340)) {
nuclear@2 122 float color[] = {0.8, 0.75, 0.3, 1};
nuclear@2 123 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 124 glutPostRedisplay();
nuclear@1 125 }
nuclear@1 126 }
nuclear@0 127
nuclear@3 128 val = imtk_slider(IMUID, angle, 0.0, 360.0, 30, 390);
nuclear@3 129 if(val != angle) {
nuclear@3 130 angle = val;
nuclear@3 131 glutPostRedisplay();
nuclear@3 132 }
nuclear@3 133
nuclear@3 134 imtk_progress(IMUID, val / 360.0, 30, 420);
nuclear@3 135
nuclear@2 136 if(imtk_button(IMUID, "Quit", 30, 500)) {
nuclear@2 137 exit(0);
nuclear@2 138 }
nuclear@2 139
nuclear@0 140 imtk_end();
nuclear@0 141 }
nuclear@0 142
nuclear@0 143 void reshape(int x, int y)
nuclear@0 144 {
nuclear@2 145 xsz = x;
nuclear@2 146 ysz = y;
nuclear@2 147
nuclear@0 148 glViewport(0, 0, x, y);
nuclear@0 149 }
nuclear@0 150
nuclear@0 151 void keyb(unsigned char key, int x, int y)
nuclear@0 152 {
nuclear@0 153 switch(key) {
nuclear@0 154 case 27:
nuclear@0 155 exit(0);
nuclear@0 156
nuclear@0 157 default:
nuclear@0 158 break;
nuclear@0 159 }
nuclear@0 160
nuclear@0 161 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 162 }
nuclear@0 163
nuclear@0 164 void keyb_up(unsigned char key, int x, int y)
nuclear@0 165 {
nuclear@0 166 imtk_inp_key(key, IMTK_UP);
nuclear@0 167 }
nuclear@0 168
nuclear@0 169 void skeyb(int key, int x, int y)
nuclear@0 170 {
nuclear@0 171 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 172 }
nuclear@0 173
nuclear@0 174 void skeyb_up(int key, int x, int y)
nuclear@0 175 {
nuclear@0 176 imtk_inp_key(key, IMTK_UP);
nuclear@0 177 }
nuclear@0 178
nuclear@0 179 void mouse(int bn, int state, int x, int y)
nuclear@0 180 {
nuclear@0 181 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
nuclear@0 182 }
nuclear@0 183
nuclear@0 184 void motion(int x, int y)
nuclear@0 185 {
nuclear@0 186 imtk_inp_motion(x, y);
nuclear@0 187 }