-/* gears, Copyright (c) 2007-2008 Jamie Zawinski <jwz@jwz.org>
+/* gears, Copyright (c) 2007-2014 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
}
-ENTRYPOINT Bool
-gears_handle_event (ModeInfo *mi, XEvent *event)
-{
- gears_configuration *bp = &bps[MI_SCREEN(mi)];
-
- if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button1)
- {
- bp->button_down_p = True;
- gltrackball_start (bp->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)
- {
- bp->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 (bp->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
- }
- else if (event->xany.type == MotionNotify &&
- bp->button_down_p)
- {
- gltrackball_track (bp->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
-
- return False;
-}
-
-
-
static void
free_gear (gear *g)
{
glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
}
- {
- double spin_speed = 0.5;
- double wander_speed = 0.01;
- double spin_accel = 0.25;
-
- bp->rot = make_rotator (do_spin ? spin_speed : 0,
- do_spin ? spin_speed : 0,
- do_spin ? spin_speed : 0,
- spin_accel,
- do_wander ? wander_speed : 0,
- True
- );
- bp->trackball = gltrackball_init ();
- }
+ if (! bp->rot)
+ {
+ double spin_speed = 0.5;
+ double wander_speed = 0.01;
+ double spin_accel = 0.25;
+
+ bp->rot = make_rotator (do_spin ? spin_speed : 0,
+ do_spin ? spin_speed : 0,
+ do_spin ? spin_speed : 0,
+ spin_accel,
+ do_wander ? wander_speed : 0,
+ True
+ );
+ bp->trackball = gltrackball_init (True);
+ }
+
+ if (bp->gears)
+ {
+ for (i = 0; i < bp->ngears; i++)
+ free_gear (bp->gears[i]);
+ free (bp->gears);
+ bp->gears = 0;
+ bp->ngears = 0;
+ }
if (!(random() % 8))
{
{
gear *g = 0;
int total_gears = MI_COUNT (mi);
- int i;
+
+ bp->planetary_p = False;
+
if (total_gears <= 0)
total_gears = 3 + abs (BELLRAND (8) - 4); /* 3 - 7, mostly 3. */
-
bp->gears = (gear **) calloc (total_gears+2, sizeof(**bp->gears));
bp->ngears = 0;
(y - 0.5) * 4,
(z - 0.5) * 7);
- /* Do it twice because we don't track the device's orientation. */
- glRotatef( current_device_rotation(), 0, 0, 1);
gltrackball_rotate (bp->trackball);
- glRotatef(-current_device_rotation(), 0, 0, 1);
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
glXSwapBuffers(dpy, window);
}
+ENTRYPOINT Bool
+gears_handle_event (ModeInfo *mi, XEvent *event)
+{
+ gears_configuration *bp = &bps[MI_SCREEN(mi)];
+
+ if (gltrackball_event_handler (event, bp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &bp->button_down_p))
+ return True;
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+ {
+ init_gears (mi);
+ return True;
+ }
+
+ return False;
+}
+
XSCREENSAVER_MODULE ("Gears", gears)
#endif /* USE_GL */