# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
+ "*suppressRotationAnimation: True\n" \
# define refresh_gasket 0
+# define release_gasket 0
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
#ifdef USE_MODULES
ModStruct gasket_description =
-{"gasket", "init_gasket", "draw_gasket", "release_gasket",
+{"gasket", "init_gasket", "draw_gasket", NULL,
"draw_gasket", "init_gasket", NULL, &gasket_opts,
1000, 1, 2, 1, 4, 1.0, "",
"Shows GL's Sierpinski gasket", 0, NULL};
(y - 0.5) * 10,
(z - 0.5) * 20);
- /* Do it twice because we don't track the device's orientation. */
- glRotatef( current_device_rotation(), 0, 0, 1);
gltrackball_rotate (gp->trackball);
- glRotatef(-current_device_rotation(), 0, 0, 1);
get_rotation (gp->rot, &x, &y, &z, !gp->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180)
+ glScalef (1/h, 1/h, 1/h);
+ }
+# endif
+
glClear(GL_COLOR_BUFFER_BIT);
}
{
gasketstruct *gp = &gasket[MI_SCREEN(mi)];
- if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button1)
- {
- gp->button_down_p = True;
- gltrackball_start (gp->trackball,
- event->xbutton.x, event->xbutton.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
- else if (event->xany.type == ButtonRelease &&
- event->xbutton.button == Button1)
+ if (gltrackball_event_handler (event, gp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &gp->button_down_p))
+ return True;
+ else if (event->xany.type == KeyPress)
{
- gp->button_down_p = False;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5 ||
- event->xbutton.button == Button6 ||
- event->xbutton.button == Button7))
- {
- gltrackball_mousewheel (gp->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
+ KeySym keysym;
+ char c = 0;
+ XLookupString (&event->xkey, &c, 1, &keysym, 0);
+ if (c == '+' || c == '=' ||
+ keysym == XK_Up || keysym == XK_Right || keysym == XK_Next)
+ {
+ gp->tick = speed;
+ gp->current_depth += (gp->current_depth > 0 ? 1 : -1);
+ gp->current_depth--;
+ return True;
+ }
+ else if (c == '-' || c == '_' ||
+ keysym == XK_Down || keysym == XK_Left || keysym == XK_Prior)
+ {
+ gp->tick = speed;
+ gp->current_depth -= (gp->current_depth > 0 ? 1 : -1);
+ gp->current_depth--;
+ return True;
+ }
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+ goto DEF;
}
- else if (event->xany.type == MotionNotify &&
- gp->button_down_p)
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
{
- gltrackball_track (gp->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
+ DEF:
+ gp->tick = speed;
return True;
}
}
+static void free_gasket(ModeInfo * mi);
+
+
ENTRYPOINT void
init_gasket(ModeInfo *mi)
{
int screen = MI_SCREEN(mi);
gasketstruct *gp;
- if (gasket == NULL)
- {
- if ((gasket = (gasketstruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (gasketstruct))) == NULL)
- return;
- }
+ MI_INIT (mi, gasket, free_gasket);
gp = &gasket[screen];
gp->window = MI_WINDOW(mi);
1.0,
do_wander ? wander_speed : 0,
True);
- gp->trackball = gltrackball_init ();
+ gp->trackball = gltrackball_init (True);
}
gp->ncolors = 255;
}
ENTRYPOINT void
-release_gasket(ModeInfo * mi)
+free_gasket(ModeInfo * mi)
{
- if (gasket != NULL)
- {
- int screen;
-
- for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++)
- {
- gasketstruct *gp = &gasket[screen];
+ gasketstruct *gp = &gasket[MI_SCREEN(mi)];
- if (gp->glx_context)
- {
+ if (gp->glx_context)
+ {
/* Display lists MUST be freed while their glXContext is current. */
- glXMakeCurrent(MI_DISPLAY(mi), gp->window, *(gp->glx_context));
+ glXMakeCurrent(MI_DISPLAY(mi), gp->window, *(gp->glx_context));
- if (glIsList(gp->gasket0)) glDeleteLists(gp->gasket0, 1);
- if (glIsList(gp->gasket1)) glDeleteLists(gp->gasket1, 1);
- if (glIsList(gp->gasket2)) glDeleteLists(gp->gasket2, 1);
- if (glIsList(gp->gasket3)) glDeleteLists(gp->gasket3, 1);
- }
- }
- (void) free((void *) gasket);
- gasket = NULL;
+ if (glIsList(gp->gasket0)) glDeleteLists(gp->gasket0, 1);
+ if (glIsList(gp->gasket1)) glDeleteLists(gp->gasket1, 1);
+ if (glIsList(gp->gasket2)) glDeleteLists(gp->gasket2, 1);
+ if (glIsList(gp->gasket3)) glDeleteLists(gp->gasket3, 1);
}
- FreeAllGL(mi);
}
XSCREENSAVER_MODULE_2 ("Sierpinski3D", sierpinski3d, gasket)