weird keyup keydown behavior

diff --git a/src/main.cc b/src/main.cc
index a23fcb5..5a93d0e 100644 (file)
--- a/src/main.cc
+++ b/src/main.cc
@@ -17,6 +17,7 @@ static void cleanup();
 static void display();
 static void reshape(int x, int y);
 static void keydown(unsigned char key, int x, int y);
+static void keyup(unsigned char key, int x, int y);
 static void mouse(int bn, int st, int x, int y);
 static void motion(int x, int y);
 
@@ -26,6 +27,7 @@ static Hair hair;
 
 static int win_width, win_height;
 static float cam_theta, cam_phi = 25, cam_dist = 8;
+static float hair_deg;
 
 int main(int argc, char **argv)
 {
@@ -37,6 +39,7 @@ int main(int argc, char **argv)
        glutDisplayFunc(display);
        glutReshapeFunc(reshape);
        glutKeyboardFunc(keydown);
+       glutKeyboardUpFunc(keyup);
        glutMouseFunc(mouse);
        glutMotionFunc(motion);
 
@@ -141,8 +144,26 @@ static void reshape(int x, int y)
 static void keydown(unsigned char key, int /*x*/, int /*y*/)
 {
        switch(key) {
+       case 'h':
+       case 'H':
+               printf("key %u down\n", key);
+               break;
        case 27:
                exit(0);
+       default:
+               break;
+       }
+}
+
+static void keyup(unsigned char key, int /*x*/, int /*y*/)
+{
+       switch(key) {
+               case 'h':
+               case 'H':
+                       printf("key %u up\n", key);
+                       break;
+               default:
+                       break;
        }
 }