/* Ported away from GLUT (so that it can do `-root' and work with xscreensaver)
by Jamie Zawinski <jwz@jwz.org>, 22-Jan-2001.
+
+ Revamped to work in the xlockmore framework so that it will also work
+ with the MacOS X port of xscreensaver by jwz, 21-Feb-2006.
*/
-#include "config.h"
+#define DEFAULTS "*delay: 20000 \n" \
+ "*showFPS: False \n" \
+ "*wireframe: False \n"
+
+# define release_stonerview 0
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+#include "xlockmore.h"
+
+#ifdef USE_GL /* whole file */
+
+#include "stonerview.h"
+#include "gltrackball.h"
+
+#define DEF_TRANSPARENT "True"
+
+typedef struct {
+ GLXContext *glx_context;
+ stonerview_state *st;
+ trackball_state *trackball;
+ Bool button_down_p;
+} stonerview_configuration;
+
+static stonerview_configuration *bps = NULL;
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
+static Bool transparent_p;
-#include <GL/gl.h>
-#include "yarandom.h"
-#include "stonerview-move.h"
+static XrmOptionDescRec opts[] = {
+ { "-transparent", ".transparent", XrmoptionNoArg, "True" },
+ { "+transparent", ".transparent", XrmoptionNoArg, "False" },
+};
-extern int init_view(int *argc, char *argv[]);
-extern void win_draw(void);
+static argtype vars[] = {
+ {&transparent_p, "transparent", "Transparent", DEF_TRANSPARENT, t_Bool},
+};
+ENTRYPOINT ModeSpecOpt stonerview_opts = {countof(opts), opts, countof(vars), vars, NULL};
-static void
-stonerview_usleep (unsigned long usecs)
+
+ENTRYPOINT void
+reshape_stonerview (ModeInfo *mi, int width, int height)
+{
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -40.0);
+}
+
+
+ENTRYPOINT void
+init_stonerview (ModeInfo *mi)
{
- struct timeval tv;
- tv.tv_sec = usecs / 1000000L;
- tv.tv_usec = usecs % 1000000L;
- (void) select (0, 0, 0, 0, &tv);
+ stonerview_configuration *bp;
+
+ MI_INIT (mi, bps);
+
+ bp = &bps[MI_SCREEN(mi)];
+
+ bp->glx_context = init_GL(mi);
+
+ bp->trackball = gltrackball_init (False);
+ bp->st = stonerview_init_view(MI_IS_WIREFRAME(mi), transparent_p);
+ stonerview_init_move(bp->st);
+
+ reshape_stonerview (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+ clear_gl_error(); /* WTF? sometimes "invalid op" from glViewport! */
}
-int main(int argc, char *argv[])
+
+ENTRYPOINT void
+draw_stonerview (ModeInfo *mi)
{
+ stonerview_configuration *bp = &bps[MI_SCREEN(mi)];
+
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context));
+
+ glPushMatrix ();
+ glRotatef( current_device_rotation(), 0, 0, 1);
+ gltrackball_rotate (bp->trackball);
+
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ GLfloat h = MI_HEIGHT(mi) / (GLfloat) MI_WIDTH(mi);
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180)
+ glScalef (h, h, h);
+ }
+# endif
+
+ stonerview_win_draw(bp->st);
+ if (! bp->button_down_p)
+ stonerview_move_increment(bp->st);
+ glPopMatrix ();
- /* Randomize -- only need to do this here because this program
- doesn't use the `screenhack.h' or `lockmore.h' APIs. */
-# undef ya_rand_init
- ya_rand_init (0);
+ mi->polygon_count = NUM_ELS;
+ if (mi->fps_p) do_fps (mi);
+ glFinish();
- if (!init_view(&argc, argv))
- return -1;
- if (!init_move())
- return -1;
+ glXSwapBuffers(MI_DISPLAY (mi), MI_WINDOW(mi));
+}
+
+ENTRYPOINT void
+free_stonerview (ModeInfo *mi)
+{
+ stonerview_configuration *bp = &bps[MI_SCREEN(mi)];
+ if (bp->st)
+ stonerview_win_release (bp->st);
+}
- while (1)
- {
- win_draw();
- move_increment();
- stonerview_usleep (20000);
- }
+ENTRYPOINT Bool
+stonerview_handle_event (ModeInfo *mi, XEvent *event)
+{
+ stonerview_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;
- return 0;
+ return False;
}
+
+XSCREENSAVER_MODULE ("StonerView", stonerview)
+
+#endif /* USE_GL */