X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fstonerview.c;h=2aa5e129a5883cadaf3e8ebab0b5ae63065e6004;hp=1ac784cb400a822f12963dd2348472f2a0d6be48;hb=49f5b54f312fe4ac2e9bc47581a72451bd0e8439;hpb=ccb7f4903325f92555a9722bba74b58346654ba0 diff --git a/hacks/glx/stonerview.c b/hacks/glx/stonerview.c index 1ac784cb..2aa5e129 100644 --- a/hacks/glx/stonerview.c +++ b/hacks/glx/stonerview.c @@ -15,43 +15,158 @@ /* Ported away from GLUT (so that it can do `-root' and work with xscreensaver) by Jamie Zawinski , 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 refresh_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" -#include -#include -#include +typedef struct { + GLXContext *glx_context; + stonerview_state *st; + trackball_state *trackball; + Bool button_down_p; +} stonerview_configuration; -#include +static stonerview_configuration *bps = NULL; -#include "yarandom.h" -#include "usleep.h" -#include "stonerview-move.h" +ENTRYPOINT ModeSpecOpt stonerview_opts = {0, NULL, 0, NULL, NULL}; -extern int init_view(int *argc, char *argv[]); -extern void win_draw(void); +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); +} -int main(int argc, char *argv[]) + +ENTRYPOINT void +init_stonerview (ModeInfo *mi) { + stonerview_configuration *bp; - /* 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); + if (!bps) { + bps = (stonerview_configuration *) + calloc (MI_NUM_SCREENS(mi), sizeof (stonerview_configuration)); + if (!bps) { + fprintf(stderr, "%s: out of memory\n", progname); + exit(1); + } + + bp = &bps[MI_SCREEN(mi)]; + } + + bp = &bps[MI_SCREEN(mi)]; + + bp->glx_context = init_GL(mi); + + bp->trackball = gltrackball_init (); + bp->st = init_view(MI_IS_WIREFRAME(mi)); + init_move(bp->st); + + reshape_stonerview (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); +} + + +ENTRYPOINT void +draw_stonerview (ModeInfo *mi) +{ + stonerview_configuration *bp = &bps[MI_SCREEN(mi)]; - if (!init_view(&argc, argv)) - return -1; - if (!init_move()) - return -1; + glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context)); - while (1) + glPushMatrix (); + gltrackball_rotate (bp->trackball); + win_draw(bp->st); + if (! bp->button_down_p) + move_increment(bp->st); + glPopMatrix (); + + mi->polygon_count = NUM_ELS; + if (mi->fps_p) do_fps (mi); + glFinish(); + + glXSwapBuffers(MI_DISPLAY (mi), MI_WINDOW(mi)); +} + +ENTRYPOINT void +release_stonerview (ModeInfo *mi) +{ + if (bps) { + int screen; + for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) { + stonerview_configuration *bp = &bps[screen]; + if (bp->st) + win_release (bp->st); + } + free (bps); + bps = 0; + } + FreeAllGL(mi); +} + +ENTRYPOINT Bool +stonerview_handle_event (ModeInfo *mi, XEvent *event) +{ + stonerview_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)) { - win_draw(); - move_increment(); - usleep (20000); + 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 0; + return False; } + +XSCREENSAVER_MODULE ("StonerView", stonerview) + +#endif /* USE_GL */