-/* xscreensaver, Copyright (c) 1998-2004 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1998-2006 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
* Pty and vt100 emulation by Fredrik Tolf <fredrik@dolda2000.com>
*/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
#include <math.h>
#include <ctype.h>
-#include "screenhack.h"
-#include "apple2.h"
-#include <X11/Xutil.h>
-#include <X11/Intrinsic.h>
-#define XK_MISCELLANY
-#include <X11/keysymdef.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifndef HAVE_COCOA
+# define XK_MISCELLANY
+# include <X11/keysymdef.h>
+# include <X11/Xlib.h>
+# include <X11/Xutil.h>
+# include <X11/Intrinsic.h>
+#endif
#ifdef HAVE_FORKPTY
+# include <sys/ioctl.h>
# ifdef HAVE_PTY_H
# include <pty.h>
# endif
# endif
#endif /* HAVE_FORKPTY */
+#include "screenhack.h"
+#include "apple2.h"
+
#undef countof
#define countof(x) (sizeof((x))/sizeof((*x)))
#define DEBUG
-extern XtAppContext app;
-
-Time subproc_relaunch_delay = 3000;
+static Time subproc_relaunch_delay = 3000;
/* Given a bitmask, returns the position and width of the field.
dw = (in->width - fromw) / 2; /* near the center! */
dh = (in->height - fromh) / 2;
- fromx = (random() % dw) + (dw/2);
- fromy = (random() % dh) + (dh/2);
+ fromx = (dw <= 0 ? 0 : (random() % dw) + (dw/2));
+ fromy = (dh <= 0 ? 0 : (random() % dh) + (dh/2));
}
scale_image (dpy, window, in,
#endif
}
+typedef struct slideshow_data_s {
+ int slideno;
+ int render_img_lineno;
+ unsigned char *render_img;
+ char *img_filename;
+ Bool image_loading_p;
+} slideshow_data;
+
-static unsigned char *
-load_image (Display *dpy, Window window, char **image_filename_r)
+static void
+image_loaded_cb (Screen *screen, Window window, Drawable p,
+ const char *name, XRectangle *geometry,
+ void *closure)
{
+ Display *dpy = DisplayOfScreen (screen);
+ apple2_sim_t *sim = (apple2_sim_t *) closure;
+ slideshow_data *mine = (slideshow_data *) sim->controller_data;
XWindowAttributes xgwa;
- Pixmap p;
-
int w = 280;
int h = 192;
XImage *image;
}
XGetWindowAttributes (dpy, window, &xgwa);
- p = XCreatePixmap (dpy, window, xgwa.width, xgwa.height, xgwa.depth);
- load_random_image (xgwa.screen, window, p, image_filename_r);
+
image = XGetImage (dpy, p, 0, 0, xgwa.width, xgwa.height, ~0, ZPixmap);
XFreePixmap (dpy, p);
p = 0;
- /* Make sure the window's background is not set to None, and get the
- grabbed bits (if any) off it as soon as possible. */
- XSetWindowBackground (dpy, window,
- get_pixel_resource ("background", "Background",
- dpy, xgwa.colormap));
- XClearWindow (dpy, window);
-
/* Scale the XImage down to Apple][ size, and convert it to a 32bpp
image (regardless of whether it started as TrueColor/PseudoColor.)
*/
a2_dither (buf32, buf8, w, h);
free (buf32);
- return buf8;
+
+ mine->image_loading_p = False;
+ mine->img_filename = (name ? strdup (name) : 0);
+ mine->render_img = buf8;
}
\f
-char *progclass = "Apple2";
-char *defaults [] = {
+static const char *apple2_defaults [] = {
".background: black",
".foreground: white",
"*mode: random",
- "*duration: 20",
+ "*duration: 60",
+ "*program: xscreensaver-text --cols 40",
"*metaSendsESC: True",
"*swapBSDEL: True",
"*fast: False",
0
};
-XrmOptionDescRec options [] = {
+static XrmOptionDescRec apple2_options [] = {
+ { "-mode", ".mode", XrmoptionSepArg, 0 },
{ "-slideshow", ".mode", XrmoptionNoArg, "slideshow" },
{ "-basic", ".mode", XrmoptionNoArg, "basic" },
{ "-text", ".mode", XrmoptionNoArg, "text" },
to avoid the pause while it loads.
*/
-void slideshow_controller(apple2_sim_t *sim, int *stepno,
- double *next_actiontime)
+static void slideshow_controller(apple2_sim_t *sim, int *stepno,
+ double *next_actiontime)
{
apple2_state_t *st=sim->st;
int i;
- struct mydata {
- int slideno;
- int render_img_lineno;
- u_char *render_img;
- char *img_filename;
- } *mine;
+ slideshow_data *mine;
if (!sim->controller_data)
- sim->controller_data = calloc(sizeof(struct mydata),1);
- mine=(struct mydata *) sim->controller_data;
+ sim->controller_data = calloc (1, sizeof(*mine));
+ mine = (slideshow_data *) sim->controller_data;
switch(*stepno) {
a2_goto(st,23,0);
a2_printc(st,']');
- *next_actiontime += 4.0;
*stepno=10;
+ break;
case 10:
- mine->render_img = load_image (sim->dpy, sim->window, &mine->img_filename);
- if (st->gr_mode) {
- *stepno=30;
- } else {
- *stepno=20;
+ {
+ XWindowAttributes xgwa;
+ Pixmap p;
+ XGetWindowAttributes (sim->dpy, sim->window, &xgwa);
+ p = XCreatePixmap (sim->dpy, sim->window, xgwa.width, xgwa.height,
+ xgwa.depth);
+ mine->image_loading_p = True;
+ load_image_async (xgwa.screen, sim->window, p, image_loaded_cb, sim);
+
+ /* pause with a blank screen for a bit, while the image loads in the
+ background. */
+ *next_actiontime += 2.0;
+ *stepno=11;
+ }
+ break;
+
+ case 11:
+ if (! mine->image_loading_p) { /* image is finally loaded */
+ if (st->gr_mode) {
+ *stepno=30;
+ } else {
+ *stepno=20;
+ }
+ *next_actiontime += 3.0;
}
- *next_actiontime += 3.0;
break;
case 20:
if (dot) *dot=0;
}
if (strlen(basename)>20) basename[20]=0;
- for (s=basename; *s; s++) *s = toupper (*s);
+ for (s=basename; *s; s++) {
+ *s = toupper (*s);
+ if (*s <= ' ') *s = '_';
+ }
sprintf(sim->typing_buf, "BLOAD %s\n", basename);
sim->typing = sim->typing_buf;
case 50:
st->gr_mode |= A2_GR_FULL;
*stepno=60;
- *next_actiontime += sim->delay;
+ /* Note that sim->delay is sometimes "infinite" in this controller.
+ These images are kinda dull anyway, so don't leave it on too long. */
+ *next_actiontime += 2;
break;
case 60:
#define NPAR 16
struct terminal_controller_data {
+ Display *dpy;
FILE *pipe;
- int pipe_id;
+ XtInputId pipe_id;
pid_t pid;
int input_available_p;
XtIntervalId timeout_id;
static void
launch_text_generator (struct terminal_controller_data *mine)
{
+ XtAppContext app = XtDisplayToApplicationContext (mine->dpy);
char buf[255];
- char *oprogram = get_string_resource ("program", "Program");
- char *program;
-
- if (!oprogram || !*oprogram)
- oprogram = FORTUNE_PROGRAM;
-
- program = (char *) malloc (strlen (oprogram) + 10);
+ char *oprogram = get_string_resource (mine->dpy, "program", "Program");
+ char *program = (char *) malloc (strlen (oprogram) + 10);
strcpy (program, "( ");
strcat (program, oprogram);
if (mine->pipe) abort();
# ifdef HAVE_FORKPTY
- if (get_boolean_resource ("usePty", "Boolean"))
+ if (get_boolean_resource (mine->dpy, "usePty", "Boolean"))
{
int fd;
struct winsize ws;
else if(!mine->pid)
{
/* This is the child fork. */
+ char *av[10];
+ int i = 0;
if (putenv("TERM=vt100"))
abort();
- execl("/bin/sh", "/bin/sh", "-c", oprogram, NULL);
+ av[i++] = "/bin/sh";
+ av[i++] = "-c";
+ av[i++] = oprogram;
+ av[i] = 0;
+ execvp (av[0], av);
sprintf (buf, "%.100s: %.100s", progname, oprogram);
perror(buf);
exit(1);
static int
terminal_read(struct terminal_controller_data *mine, unsigned char *buf, int n)
{
+ XtAppContext app = XtDisplayToApplicationContext (mine->dpy);
int rc;
if (mine->fake_nl) {
buf[0]='\n';
do_icccm_meta_key_stupidity (Display *dpy)
{
unsigned int modbits = 0;
+# ifndef HAVE_COCOA
int i, j, k;
XModifierKeymap *modmap = XGetModifierMapping (dpy);
for (i = 3; i < 8; i++)
XFree (syms);
}
XFreeModifiermap (modmap);
+# endif /* HAVE_COCOA */
return modbits;
}
event->xany.type = 0; /* do not process this event further */
+ mine->dpy = dpy;
return 0;
}
GNU/Linux dammit) occupies an entire screen on the Apple ][.
*/
-void
+static void
terminal_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
{
apple2_state_t *st=sim->st;
if (!sim->controller_data)
sim->controller_data=calloc(sizeof(struct terminal_controller_data),1);
mine=(struct terminal_controller_data *) sim->controller_data;
+ mine->dpy = sim->dpy;
- mine->meta_sends_esc_p = get_boolean_resource ("metaSendsESC", "Boolean");
- mine->swap_bs_del_p = get_boolean_resource ("swapBSDEL", "Boolean");
- mine->fast_p = get_boolean_resource ("fast", "Boolean");
-
- sim->dec->key_handler = terminal_keypress_handler;
- sim->dec->key_data = mine;
+ mine->meta_sends_esc_p = get_boolean_resource (mine->dpy, "metaSendsESC",
+ "Boolean");
+ mine->swap_bs_del_p = get_boolean_resource (mine->dpy, "swapBSDEL",
+ "Boolean");
+ mine->fast_p = get_boolean_resource (mine->dpy, "fast", "Boolean");
switch(*stepno) {
struct basic_controller_data {
int prog_line;
int x,y,k;
- char **progtext;
+ const char * const * progtext;
int progstep;
char *rep_str;
int rep_pos;
Adding more programs is easy. Just add a listing here and to all_programs,
then add the state machine to actually execute it to basic_controller.
*/
-static char *moire_program[]={
+static const char * const moire_program[]={
"10 HGR2\n",
- "20 FOR Y = 0 TO 191 STEP 2\n",
+ "20 FOR Y = 0 TO 190 STEP 2\n",
"30 HCOLOR=4 : REM BLACK\n",
- "40 HLINE 0,191-Y TO 279,Y\n",
+ "40 HPLOT 0,191-Y TO 279,Y\n",
"60 HCOLOR=7 : REM WHITE\n",
- "80 HLINE 0,190-Y TO 279,Y+1\n",
+ "80 HPLOT 0,190-Y TO 279,Y+1\n",
"90 NEXT Y\n",
- "100 FOR X = 0 TO 279 STEP 3\n",
+ "100 FOR X = 0 TO 278 STEP 3\n",
"110 HCOLOR=4\n",
- "120 HLINE 279-X,0 TO X,192\n",
+ "120 HPLOT 279-X,0 TO X,191\n",
"140 HCOLOR=7\n",
- "150 HLINE 278-X,0 TO X+1,192\n",
+ "150 HPLOT 278-X,0 TO X+1,191\n",
"160 NEXT X\n",
NULL
};
-static char *sinewave_program[] = {
+static const char * const sinewave_program[] = {
"10 HGR\n",
"25 K=0\n",
"30 FOR X = 0 TO 279\n",
"32 HCOLOR= 0\n",
- "35 HLINE X,0 TO X,159\n",
+ "35 HPLOT X,0 TO X,159\n",
"38 HCOLOR= 3\n",
- "40 Y = 80 + SIN(15*(X-K)/279)\n",
+ "40 Y = 80 + SIN(15*(X-K)/279) * 40\n",
"50 HPLOT X,Y\n",
"60 NEXT X\n",
"70 K=K+4\n",
};
#if 0
-static char *dumb_program[]={
+static const char * const dumb_program[]={
"10 PRINT \"APPLE ][ ROOLZ! TRS-80 DROOLZ!\"\n",
"20 GOTO 10\n",
NULL
};
#endif
-static char *random_lores_program[]={
+static const char * const random_lores_program[]={
"1 REM APPLE ][ SCREEN SAVER\n",
"10 GR\n",
"100 COLOR= RND(1)*16\n",
"110 X=RND(1)*40\n",
- "120 Y1=RND(1)*48\n",
- "130 Y2=RND(1)*48\n",
+ "120 Y1=RND(1)*40\n",
+ "130 Y2=RND(1)*40\n",
"140 FOR Y = Y1 TO Y2\n",
"150 PLOT X,Y\n",
"160 NEXT Y\n",
- "210 Y=RND(1)*48\n",
+ "210 Y=RND(1)*40\n",
"220 X1=RND(1)*40\n",
"230 X2=RND(1)*40\n",
"240 FOR X = X1 TO X2\n",
static char typo_map[256];
-int make_typo(char *out_buf, char *orig, char *err_buf)
+static int make_typo(char *out_buf, const char *orig, char *err_buf)
{
int i,j;
int errc;
break;
}
- if (random()%10==0 && strlen(p)>=4 && (errc=typo_map[(int)(u_char)p[0]])) {
+ if (random()%10==0 && strlen(p)>=4 && (errc=typo_map[(int)(unsigned char)p[0]])) {
int remain=strlen(p);
int past=random()%(remain-2)+1;
memmove(p+past+past, p, remain+1);
return success;
}
-struct {
- char **progtext;
+static const struct {
+ const char * const * progtext;
int progstep;
} all_programs[]={
{moire_program, 100},
{random_lores_program, 500},
};
-void
+static void
basic_controller(apple2_sim_t *sim, int *stepno, double *next_actiontime)
{
apple2_state_t *st=sim->st;
}
-void (*controllers[])(apple2_sim_t *sim, int *stepno,
- double *next_actiontime) = {
+static void (* const controllers[]) (apple2_sim_t *sim, int *stepno,
+ double *next_actiontime) = {
slideshow_controller,
terminal_controller,
basic_controller
};
-void
-screenhack (Display *dpy, Window window)
+
+
+struct state {
+ int duration;
+ Bool random_p;
+ apple2_sim_t *sim;
+ void (*controller) (apple2_sim_t *sim, int *stepno, double *next_actiontime);
+};
+
+
+static void *
+apple2_init (Display *dpy, Window window)
{
- int duration = get_integer_resource ("duration", "Integer");
+ struct state *st = (struct state *) calloc (1, sizeof(*st));
char *s;
- void (*controller)(apple2_sim_t *sim, int *stepno, double *next_actiontime);
- if (duration < 1) duration = 1;
+ st->duration = get_integer_resource (dpy, "duration", "Integer");
- s = get_string_resource ("mode", "Mode");
+ st->controller = 0;
+ if (st->duration < 1) st->duration = 1;
+
+ s = get_string_resource (dpy, "mode", "Mode");
if (!s || !*s || !strcasecmp(s, "random"))
- controller = controllers[random() % (countof(controllers))];
+ st->random_p = True;
else if (!strcasecmp(s, "text"))
- controller = terminal_controller;
+ st->controller = terminal_controller;
else if (!strcasecmp(s, "slideshow"))
- controller = slideshow_controller;
+ st->controller = slideshow_controller;
else if (!strcasecmp(s, "basic"))
- controller = basic_controller;
+ st->controller = basic_controller;
else
{
fprintf (stderr, "%s: mode must be text, slideshow, or random; not %s\n",
progname, s);
exit (1);
}
+ if (s) free (s);
- if (!get_boolean_resource ("root", "Boolean"))
- {
- XWindowAttributes xgwa;
- XGetWindowAttributes (dpy, window, &xgwa);
- XSelectInput (dpy, window,
- xgwa.your_event_mask |
- KeyPressMask | ButtonPressMask | ExposureMask);
- }
+ if (! st->random_p) {
+ if (st->controller == terminal_controller ||
+ st->controller == slideshow_controller)
+ st->duration = 999999; /* these run "forever" */
+ }
- apple2 (dpy, window, duration, controller);
- XSync (dpy, False);
+ return st;
}
+
+static unsigned long
+apple2_draw (Display *dpy, Window window, void *closure)
+{
+ struct state *st = (struct state *) closure;
+
+ if (! st->sim) {
+ if (st->random_p)
+ st->controller = controllers[random() % (countof(controllers))];
+ st->sim = apple2_start (dpy, window, st->duration, st->controller);
+ }
+
+ if (! apple2_one_frame (st->sim)) {
+ st->sim = 0;
+ }
+
+ return 10000;
+}
+
+static void
+apple2_reshape (Display *dpy, Window window, void *closure,
+ unsigned int w, unsigned int h)
+{
+ struct state *st = (struct state *) closure;
+ analogtv_reconfigure (st->sim->dec);
+}
+
+static Bool
+apple2_event (Display *dpy, Window window, void *closure, XEvent *event)
+{
+ struct state *st = (struct state *) closure;
+
+ if (st->controller == terminal_controller &&
+ event->xany.type == KeyPress) {
+ terminal_keypress_handler (dpy, event, st->sim->controller_data);
+ return True;
+ }
+
+ return False;
+}
+
+static void
+apple2_free (Display *dpy, Window window, void *closure)
+{
+ struct state *st = (struct state *) closure;
+ if (st->sim) {
+ st->sim->stepno = A2CONTROLLER_DONE;
+ if (apple2_one_frame (st->sim))
+ abort(); /* should have freed! */
+ }
+ free (st);
+}
+
+
+XSCREENSAVER_MODULE ("Apple2", apple2)
projects / xscreensaver / blobdiff