-/* gltext, Copyright (c) 2001, 2002, 2003 Jamie Zawinski <jwz@jwz.org>
+/* gltext, Copyright (c) 2001-2008 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
* implied warranty.
*/
-#include <X11/Intrinsic.h>
-
-extern XtAppContext app;
-
-#define PROGCLASS "GLText"
-#define HACK_INIT init_text
-#define HACK_DRAW draw_text
-#define HACK_RESHAPE reshape_text
-#define HACK_HANDLE_EVENT text_handle_event
-#define EVENT_MASK PointerMotionMask
-#define sws_opts xlockmore_opts
-
-#define DEF_TEXT "(default)"
-#define DEF_SPIN "XYZ"
-#define DEF_WANDER "True"
-
-#define DEFAULTS "*delay: 10000 \n" \
- "*showFPS: False \n" \
- "*wireframe: False \n" \
- "*spin: " DEF_SPIN "\n" \
- "*wander: " DEF_WANDER "\n" \
- "*text: " DEF_TEXT "\n"
-
+#define DEFAULTS "*delay: 20000 \n" \
+ "*showFPS: False \n" \
+ "*wireframe: False \n" \
+# define refresh_text 0
+# define release_text 0
#define SMOOTH_TUBE /* whether to have smooth or faceted tubes */
#ifdef SMOOTH_TUBE
#include "tube.h"
#include "rotator.h"
#include "gltrackball.h"
-#include <time.h>
-#include <sys/time.h>
+
#include <ctype.h>
#ifdef USE_GL /* whole file */
+#define DEF_TEXT "(default)"
+#define DEF_PROGRAM "(default)"
+#define DEF_SPIN "XYZ"
+#define DEF_WANDER "True"
+#define DEF_FACE_FRONT "True"
+
#ifdef HAVE_UNAME
# include <sys/utsname.h>
#endif /* HAVE_UNAME */
-
-#include <GL/glu.h>
#include "glutstroke.h"
#include "glut_roman.h"
#define GLUT_FONT (&glutStrokeRoman)
typedef struct {
GLXContext *glx_context;
- rotator *rot;
+ rotator *rot, *rot2;
trackball_state *trackball;
Bool button_down_p;
+ Bool spinx, spiny, spinz;
GLuint text_list;
int ccolor;
char *text;
+ int reload;
+
+ time_t last_update;
} text_configuration;
static text_configuration *tps = NULL;
static char *text_fmt;
+static char *program_str;
static char *do_spin;
static Bool do_wander;
+static Bool face_front_p;
static XrmOptionDescRec opts[] = {
- { "-text", ".text", XrmoptionSepArg, 0 },
- { "-spin", ".spin", XrmoptionSepArg, 0 },
- { "+spin", ".spin", XrmoptionNoArg, "" },
- { "-wander", ".wander", XrmoptionNoArg, "True" },
- { "+wander", ".wander", XrmoptionNoArg, "False" }
+ { "-text", ".text", XrmoptionSepArg, 0 },
+ { "-program", ".program", XrmoptionSepArg, 0 },
+ { "-spin", ".spin", XrmoptionSepArg, 0 },
+ { "+spin", ".spin", XrmoptionNoArg, "" },
+ { "-wander", ".wander", XrmoptionNoArg, "True" },
+ { "+wander", ".wander", XrmoptionNoArg, "False" },
+ { "-front", ".faceFront", XrmoptionNoArg, "True" },
+ { "+front", ".faceFront", XrmoptionNoArg, "False" }
};
static argtype vars[] = {
- {(caddr_t *) &text_fmt, "text", "Text", DEF_TEXT, t_String},
- {(caddr_t *) &do_spin, "spin", "Spin", DEF_SPIN, t_String},
- {(caddr_t *) &do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
+ {&text_fmt, "text", "Text", DEF_TEXT, t_String},
+ {&program_str, "program", "Program", DEF_PROGRAM, t_String},
+ {&do_spin, "spin", "Spin", DEF_SPIN, t_String},
+ {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
+ {&face_front_p, "faceFront", "FaceFront", DEF_FACE_FRONT, t_Bool},
};
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt text_opts = {countof(opts), opts, countof(vars), vars, NULL};
/* Window management, etc
*/
-void
+ENTRYPOINT void
reshape_text (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
text_configuration *tp = &tps[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
- static GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0};
+ static const GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0};
if (!wire)
{
}
+/* The GLUT font only has ASCII characters in them, so do what we can to
+ convert Latin1 characters to the nearest ASCII equivalent...
+ */
+static void
+latin1_to_ascii (char *s)
+{
+ unsigned char *us = (unsigned char *) s;
+ const unsigned char ascii[95] = {
+ '!', 'C', '#', '#', 'Y', '|', 'S', '_', 'C', '?', '<', '=', '-', 'R', '_',
+ '?', '?', '2', '3', '\'','u', 'P', '.', ',', '1', 'o', '>', '?', '?', '?',
+ '?', 'A', 'A', 'A', 'A', 'A', 'A', 'E', 'C', 'E', 'E', 'E', 'E', 'I', 'I',
+ 'I', 'I', 'D', 'N', 'O', 'O', 'O', 'O', 'O', 'x', '0', 'U', 'U', 'U', 'U',
+ 'Y', 'p', 'S', 'a', 'a', 'a', 'a', 'a', 'a', 'e', 'c', 'e', 'e', 'e', 'e',
+ 'i', 'i', 'i', 'i', 'o', 'n', 'o', 'o', 'o', 'o', 'o', '/', 'o', 'u', 'u',
+ 'u', 'u', 'y', 'p', 'y' };
+ while (*us)
+ {
+ if (*us >= 161)
+ *us = ascii[*us - 161];
+ else if (*us > 127)
+ *us = '?';
+ us++;
+ }
+}
+
+
static void
parse_text (ModeInfo *mi)
{
if (tp->text) free (tp->text);
- if (!text_fmt || !*text_fmt || !strcmp(text_fmt, "(default)"))
+ if (program_str && *program_str && !!strcmp(program_str, "(default)"))
+ {
+ FILE *p;
+ int i;
+ char buf[1024];
+ sprintf (buf, "( %.900s ) 2>&1", program_str);
+ p = popen (buf, "r");
+ if (! p)
+ sprintf (buf, "error running '%.900s'", program_str);
+ else
+ {
+ char *out = buf;
+ char *end = out + sizeof(buf) - 1;
+ int n;
+ do {
+ n = fread (out, 1, end - out, p);
+ if (n > 0)
+ out += n;
+ *out = 0;
+ } while (n > 0);
+ fclose (p);
+ }
+
+ /* Truncate it to 10 lines */
+ {
+ char *s = buf;
+ for (i = 0; i < 10; i++)
+ if (s && (s = strchr (s, '\n')))
+ s++;
+ if (s) *s = 0;
+ }
+
+ tp->text = strdup (buf);
+ tp->reload = 5;
+ }
+ else if (!text_fmt || !*text_fmt || !strcmp(text_fmt, "(default)"))
{
# ifdef HAVE_UNAME
struct utsname uts;
sprintf(tp->text, "%s\n%s %s.%s",
uts.nodename, uts.sysname, uts.version, uts.release);
# elif defined(__APPLE__) /* MacOS X + XDarwin */
- sprintf(tp->text, "%s\n%s %s\n%s",
- uts.nodename, uts.sysname, uts.release, uts.machine);
+ {
+ const char *file =
+ "/System/Library/CoreServices/SystemVersion.plist";
+ FILE *f = fopen (file, "r");
+ char *pbv = 0, *pn = 0, *puvv = 0;
+ if (f) {
+ char *s, buf[255];
+
+ while (fgets (buf, sizeof(buf)-1, f)) {
+# define GRAB(S,V) \
+ if (strstr(buf, S)) { \
+ fgets (buf, sizeof(buf)-1, f); \
+ if ((s = strchr (buf, '>'))) V = strdup(s+1); \
+ if ((s = strchr (V, '<'))) *s = 0; \
+ }
+ GRAB ("ProductName", pn)
+ GRAB ("ProductBuildVersion", pbv)
+ GRAB ("ProductUserVisibleVersion", puvv)
+# undef GRAB
+ }
+ }
+ if (pbv)
+ sprintf (tp->text, "%s\n%s\n%s\n%s",
+ uts.nodename, pn, puvv, uts.machine);
+ else
+ sprintf(tp->text, "%s\n%s %s\n%s",
+ uts.nodename, uts.sysname, uts.release, uts.machine);
+ }
# else
sprintf(tp->text, "%s\n%s %s",
uts.nodename, uts.sysname, uts.release);
strftime (tp->text, L-1, text_fmt, tm);
if (!*tp->text)
sprintf (tp->text, "strftime error:\n%s", text_fmt);
+ tp->reload = 1;
}
+
+ latin1_to_ascii (tp->text);
}
-Bool
+ENTRYPOINT Bool
text_handle_event (ModeInfo *mi, XEvent *event)
{
text_configuration *tp = &tps[MI_SCREEN(mi)];
if (event->xany.type == ButtonPress &&
- event->xbutton.button & Button1)
+ event->xbutton.button == Button1)
{
tp->button_down_p = True;
gltrackball_start (tp->trackball,
return True;
}
else if (event->xany.type == ButtonRelease &&
- event->xbutton.button & Button1)
+ event->xbutton.button == Button1)
{
tp->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 (tp->trackball, event->xbutton.button, 10,
+ !!event->xbutton.state);
+ return True;
+ }
else if (event->xany.type == MotionNotify &&
tp->button_down_p)
{
}
-void
+ENTRYPOINT void
init_text (ModeInfo *mi)
{
text_configuration *tp;
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
-
- tp = &tps[MI_SCREEN(mi)];
}
tp = &tps[MI_SCREEN(mi)];
}
{
- Bool spinx=False, spiny=False, spinz=False;
- double spin_speed = 1.0;
- double wander_speed = 0.05;
- double spin_accel = 1.0;
+ double spin_speed = 0.5;
+ double wander_speed = 0.02;
+ double tilt_speed = 0.03;
+ double spin_accel = 0.5;
char *s = do_spin;
while (*s)
{
- if (*s == 'x' || *s == 'X') spinx = True;
- else if (*s == 'y' || *s == 'Y') spiny = True;
- else if (*s == 'z' || *s == 'Z') spinz = True;
+ if (*s == 'x' || *s == 'X') tp->spinx = True;
+ else if (*s == 'y' || *s == 'Y') tp->spiny = True;
+ else if (*s == 'z' || *s == 'Z') tp->spinz = True;
+ else if (*s == '0') ;
else
{
fprintf (stderr,
s++;
}
- tp->rot = make_rotator (spinx ? spin_speed : 0,
- spiny ? spin_speed : 0,
- spinz ? spin_speed : 0,
+ tp->rot = make_rotator (tp->spinx ? spin_speed : 0,
+ tp->spiny ? spin_speed : 0,
+ tp->spinz ? spin_speed : 0,
spin_accel,
do_wander ? wander_speed : 0,
False);
+ tp->rot2 = (face_front_p
+ ? make_rotator (0, 0, 0, 0, tilt_speed, True)
+ : 0);
tp->trackball = gltrackball_init ();
}
static int
-fill_character (GLUTstrokeFont font, int c, Bool wire)
+fill_character (GLUTstrokeFont font, int c, Bool wire, int *polysP)
{
GLfloat tube_width = 10;
int smooth = False;
# endif
if (j != stroke->num_coords)
- tube (lx, ly, 0,
- coord->x, coord->y, 0,
- tube_width,
- tube_width * 0.15,
- TUBE_FACES, smooth, True, wire);
+ *polysP += tube (lx, ly, 0,
+ coord->x, coord->y, 0,
+ tube_width,
+ tube_width * 0.15,
+ TUBE_FACES, smooth, True, wire);
lx = coord->x;
ly = coord->y;
}
}
- return (int) (ch->right + tube_width/2);
+ return (int) (ch->right + tube_width);
}
return 0;
}
}
-static void
+static unsigned long
fill_string (const char *string, Bool wire)
{
+ int polys = 0;
const char *s, *start;
int line_height = GLUT_FONT->top - GLUT_FONT->bottom;
int off;
GLfloat x = 0, y = 0;
- int lines;
int ow, oh;
- lines = text_extents (string, &ow, &oh);
+ text_extents (string, &ow, &oh);
y = oh / 2 - line_height;
{
glPushMatrix();
glTranslatef(x, y, 0);
- off = fill_character (GLUT_FONT, *s2, wire);
+ off = fill_character (GLUT_FONT, *s2, wire, &polys);
x += off;
glPopMatrix();
}
}
else
s++;
+ return polys;
}
-void
+ENTRYPOINT void
draw_text (ModeInfo *mi)
{
text_configuration *tp = &tps[MI_SCREEN(mi)];
Window window = MI_WINDOW(mi);
int wire = MI_IS_WIREFRAME(mi);
- static GLfloat color[4] = {0.0, 0.0, 0.0, 1.0};
- static GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat white[4] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat color[4] = {0.0, 0.0, 0.0, 1.0};
if (!tp->glx_context)
return;
- if (strchr (text_fmt, '%'))
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(tp->glx_context));
+
+ if (tp->reload)
{
- static time_t last_update = -1;
- time_t now = time ((time_t *) 0);
- if (now != last_update) /* do it once a second */
- parse_text (mi);
- last_update = now;
+ if (time ((time_t *) 0) >= tp->last_update + tp->reload)
+ {
+ parse_text (mi);
+ tp->last_update = time ((time_t *) 0);
+ }
}
glShadeModel(GL_SMOOTH);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix ();
gltrackball_rotate (tp->trackball);
- get_rotation (tp->rot, &x, &y, &z, !tp->button_down_p);
- glRotatef (x * 360, 1.0, 0.0, 0.0);
- glRotatef (y * 360, 0.0, 1.0, 0.0);
- glRotatef (z * 360, 0.0, 0.0, 1.0);
+ if (face_front_p)
+ {
+ double max = 90;
+ get_position (tp->rot2, &x, &y, &z, !tp->button_down_p);
+ if (tp->spinx) glRotatef (max/2 - x*max, 1, 0, 0);
+ if (tp->spiny) glRotatef (max/2 - y*max, 0, 1, 0);
+ if (tp->spinz) glRotatef (max/2 - z*max, 0, 0, 1);
+ }
+ else
+ {
+ get_rotation (tp->rot, &x, &y, &z, !tp->button_down_p);
+ glRotatef (x * 360, 1, 0, 0);
+ glRotatef (y * 360, 0, 1, 0);
+ glRotatef (z * 360, 0, 0, 1);
+ }
}
glScalef(0.01, 0.01, 0.01);
- fill_string(tp->text, wire);
+ mi->polygon_count = fill_string(tp->text, wire);
glPopMatrix ();
glXSwapBuffers(dpy, window);
}
+XSCREENSAVER_MODULE_2 ("GLText", gltext, text)
+
#endif /* USE_GL */
projects / xscreensaver / blobdiff