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[Freeglut-cvs] SF.net SVN: freeglut:[1876] trunk/freeglut/freeglut
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From: <jt...@us...> - 2022-03-08 01:11:40
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Revision: 1876
http://sourceforge.net/p/freeglut/code/1876
Author: jtsiomb
Date: 2022-03-08 01:11:38 +0000 (Tue, 08 Mar 2022)
Log Message:
-----------
Added keyboard demo, and changed the spaceball demo to also build on windows
Modified Paths:
--------------
trunk/freeglut/freeglut/CMakeLists.txt
Added Paths:
-----------
trunk/freeglut/freeglut/progs/demos/keyboard/
trunk/freeglut/freeglut/progs/demos/keyboard/keyboard.c
Modified: trunk/freeglut/freeglut/CMakeLists.txt
===================================================================
--- trunk/freeglut/freeglut/CMakeLists.txt 2022-03-07 05:57:37 UTC (rev 1875)
+++ trunk/freeglut/freeglut/CMakeLists.txt 2022-03-08 01:11:38 UTC (rev 1876)
@@ -567,14 +567,13 @@
progs/demos/shapes/glmatrix.h
progs/demos/shapes/glmatrix.c)
ADD_DEMO(smooth_opengl3 progs/demos/smooth_opengl3/smooth_opengl3.c)
-IF(UNIX)
- ADD_DEMO(spaceball progs/demos/spaceball/spaceball.c
- progs/demos/spaceball/vmath.c
- progs/demos/spaceball/vmath.h)
-ENDIF()
+ADD_DEMO(spaceball progs/demos/spaceball/spaceball.c
+ progs/demos/spaceball/vmath.c
+ progs/demos/spaceball/vmath.h)
ADD_DEMO(subwin progs/demos/subwin/subwin.c)
ADD_DEMO(timer progs/demos/timer/timer.c)
ADD_DEMO(timer_callback progs/demos/timer_callback/timer.c)
+ADD_DEMO(keyboard progs/demos/keyboard/keyboard.c)
Added: trunk/freeglut/freeglut/progs/demos/keyboard/keyboard.c
===================================================================
--- trunk/freeglut/freeglut/progs/demos/keyboard/keyboard.c (rev 0)
+++ trunk/freeglut/freeglut/progs/demos/keyboard/keyboard.c 2022-03-08 01:11:38 UTC (rev 1876)
@@ -0,0 +1,156 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <GL/freeglut.h>
+
+void display(void);
+void draw_text(int x, int y, const char *str);
+const char *skeyname(int skey);
+void reshape(int x, int y);
+void keypress(unsigned char key, int x, int y);
+void keyrelease(unsigned char key, int x, int y);
+void skeypress(int key, int x, int y);
+void skeyrelease(int key, int x, int y);
+
+unsigned int modstate;
+int cur_key = -1;
+int cur_skey = -1;
+int win_width, win_height;
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitWindowSize(400, 200);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+ glutCreateWindow("Keyboard demo");
+
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keypress);
+ glutKeyboardUpFunc(keyrelease);
+ glutSpecialFunc(skeypress);
+ glutSpecialUpFunc(skeyrelease);
+
+ glutMainLoop();
+ return 0;
+}
+
+void display(void)
+{
+ char str[256];
+
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ strcpy(str, "Key:");
+ if(cur_key > 0) {
+ if(isprint(cur_key)) {
+ sprintf(str + 4, " '%c'", cur_key);
+ } else {
+ sprintf(str + 4, " 0x%02x", cur_key);
+ }
+
+
+ if(modstate & GLUT_ACTIVE_SHIFT) {
+ strcat(str, " shift");
+ }
+ if(modstate & GLUT_ACTIVE_CTRL) {
+ strcat(str, " ctrl");
+ }
+ if(modstate & GLUT_ACTIVE_ALT) {
+ strcat(str, " alt");
+ }
+ if(modstate & GLUT_ACTIVE_SUPER) {
+ strcat(str, " super");
+ }
+ }
+ draw_text(win_width / 3, 2 * win_height / 3, str);
+
+ strcpy(str, "Special key: ");
+ if(cur_skey > 0) {
+ strcat(str, skeyname(cur_skey));
+ }
+ draw_text(win_width / 3, win_height / 3, str);
+
+ glutSwapBuffers();
+}
+
+void draw_text(int x, int y, const char *str)
+{
+ glRasterPos2i(x, y);
+ while(*str) {
+ glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, *str++);
+ }
+}
+
+const char *skeyname(int skey)
+{
+ static const char *fkeys[] = {"F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12"};
+
+ switch(skey) {
+ case GLUT_KEY_LEFT: return "left";
+ case GLUT_KEY_UP: return "up";
+ case GLUT_KEY_RIGHT: return "right";
+ case GLUT_KEY_DOWN: return "down";
+ case GLUT_KEY_PAGE_UP: return "page up";
+ case GLUT_KEY_PAGE_DOWN: return "page down";
+ case GLUT_KEY_HOME: return "home";
+ case GLUT_KEY_END: return "end";
+ case GLUT_KEY_INSERT: return "insert";
+ case GLUT_KEY_NUM_LOCK: return "num lock";
+ case GLUT_KEY_BEGIN: return "begin";
+ case GLUT_KEY_DELETE: return "delete";
+ case GLUT_KEY_SHIFT_L: return "L Shift";
+ case GLUT_KEY_SHIFT_R: return "R Shift";
+ case GLUT_KEY_CTRL_L: return "L Ctrl";
+ case GLUT_KEY_CTRL_R: return "R Ctrl";
+ case GLUT_KEY_ALT_L: return "L Alt";
+ case GLUT_KEY_ALT_R: return "R Alt";
+ case GLUT_KEY_SUPER_L: return "L Super";
+ case GLUT_KEY_SUPER_R: return "R Super";
+ default:
+ if(skey >= GLUT_KEY_F1 && skey <= GLUT_KEY_F12) {
+ return fkeys[skey - GLUT_KEY_F1];
+ }
+
+ break;
+ }
+ return "<unknown>";
+}
+
+void reshape(int x, int y)
+{
+ win_width = x;
+ win_height = y;
+ glViewport(0, 0, x, y);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0, x, 0, y, -1, 1);
+}
+
+void keypress(unsigned char key, int x, int y)
+{
+ if(key == 27) exit(0);
+
+ modstate = glutGetModifiers();
+ cur_key = key;
+ glutPostRedisplay();
+}
+
+void keyrelease(unsigned char key, int x, int y)
+{
+ cur_key = -1;
+ glutPostRedisplay();
+}
+
+void skeypress(int key, int x, int y)
+{
+ cur_skey = key;
+ glutPostRedisplay();
+}
+
+void skeyrelease(int key, int x, int y)
+{
+ cur_skey = -1;
+ glutPostRedisplay();
+}
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