FMudanyali/FreeGLUT-Vita
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timer demo now has a menu to:

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- set flicker tempo
- test whether menus can be modified in the callback (there was a regression with this in freeglut 2.8.1 that was perchance already fixed in r1583, but make sure we're testing this from now on)

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1637 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2014-01-17 16:18:46 +00:00
parent 5757433d2a
commit 0be6109313
1 changed files with 70 additions and 2 deletions
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72
freeglut/freeglut/progs/demos/timer/timer.c
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@ -22,6 +22,62 @@ float color[][3] = {
{0, 1, 1},
{1, 0, 1}
};
int timerInts[] = {
250,
500,
1000
};
int timerSurroundInt = 1000, timerCenterInt = 1000;
/* menu IDs, creation/update funcs and callback */
int menuID, subMenuSurround, subMenuCenter;
void createMenuEntries(int which)
{
for (int i = 0; i < sizeof(timerInts) / sizeof(*timerInts); i++)
{
char temp[10] = {'\0'};
/* flag current value */
if ((which == 1 ? timerSurroundInt : timerCenterInt) == timerInts[i])
temp[0] = '+';
else
temp[0] = '-';
sprintf(temp + 1, " %4d ms", timerInts[i]);
glutAddMenuEntry(temp, timerInts[i]);
}
}
void updateMenuEntries(int which)
{
for (int i = 0; i < sizeof(timerInts) / sizeof(*timerInts); i++)
{
char temp[10] = { '\0' };
/* flag current value */
if ((which == 1 ? timerSurroundInt : timerCenterInt) == timerInts[i])
temp[0] = '+';
else
temp[0] = '-';
sprintf(temp + 1, " %4d ms", timerInts[i]);
glutChangeToMenuEntry(i+1, temp, timerInts[i]);
}
}
void MenuSurround(int timerInt)
{
timerSurroundInt = timerInt;
glutSetMenu(subMenuSurround);
updateMenuEntries(1);
}
void MenuCenter(int timerInt)
{
timerCenterInt = timerInt;
glutSetMenu(subMenuCenter);
updateMenuEntries(2);
}
int main(int argc, char **argv)
{
@ -36,6 +92,18 @@ int main(int argc, char **argv)
glutTimerFunc(1000, timer_func, 1);
glutTimerFunc(500, timer_func, 2);
/* menus for setting timing */
subMenuSurround = glutCreateMenu(MenuSurround);
createMenuEntries(1);
subMenuCenter = glutCreateMenu(MenuCenter);
createMenuEntries(2);
menuID = glutCreateMenu(MenuSurround); /* doesn't matter, no clickable entries in this menu */
glutAddSubMenu("Center", subMenuCenter);
glutAddSubMenu("Surround", subMenuSurround);
glutAttachMenu(GLUT_RIGHT_BUTTON);
glutMainLoop();
return 0;
}
@ -69,6 +137,6 @@ void timer_func(int which)
glutPostRedisplay();
/* (re)set the timer callback and ask glut to call it in 1 second */
glutTimerFunc(1000, timer_func, which);
/* (re)set the timer callback and ask glut to call it in x ms */
glutTimerFunc(which == 1 ? timerSurroundInt:timerCenterInt, timer_func, which);
}