X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fgltext.c;h=f9e6f156488bef3026c74a9d5d74072019cc19c2;hp=aa3e876e4e333d075b1e30220298f2b1cf977b83;hb=6b1c86cf395f59389e4ece4ea8f4bea2c332745b;hpb=96a411663168b0ba5432b407a83be55f3df0c802 diff --git a/hacks/glx/gltext.c b/hacks/glx/gltext.c index aa3e876e..f9e6f156 100644 --- a/hacks/glx/gltext.c +++ b/hacks/glx/gltext.c @@ -1,4 +1,4 @@ -/* gltext, Copyright (c) 2001, 2002, 2003 Jamie Zawinski +/* gltext, Copyright (c) 2001-2008 Jamie Zawinski * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that @@ -9,30 +9,12 @@ * implied warranty. */ -#include - -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 @@ -50,18 +32,26 @@ extern XtAppContext app; #include "tube.h" #include "rotator.h" #include "gltrackball.h" -#include -#include + #include #ifdef USE_GL /* whole file */ +#ifdef HAVE_COCOA +# define DEF_TEXT "%A%n%d %b %Y%n%r" +#else +# define DEF_TEXT "(default)" +#endif + +#define DEF_PROGRAM "(default)" +#define DEF_SPIN "XYZ" +#define DEF_WANDER "True" +#define DEF_FRONT "True" + #ifdef HAVE_UNAME # include #endif /* HAVE_UNAME */ - -#include #include "glutstroke.h" #include "glut_roman.h" #define GLUT_FONT (&glutStrokeRoman) @@ -69,9 +59,10 @@ extern XtAppContext app; typedef struct { GLXContext *glx_context; - rotator *rot; + rotator *rot, *rot2; trackball_state *trackball; Bool button_down_p; + Bool spinx, spiny, spinz; GLuint text_list; @@ -80,35 +71,45 @@ typedef struct { 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_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; @@ -135,7 +136,7 @@ gl_init (ModeInfo *mi) 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) { @@ -152,6 +153,32 @@ gl_init (ModeInfo *mi) } +/* 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) { @@ -159,7 +186,42 @@ 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; @@ -210,17 +272,20 @@ parse_text (ModeInfo *mi) 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, @@ -229,11 +294,21 @@ text_handle_event (ModeInfo *mi, XEvent *event) 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) { @@ -247,7 +322,7 @@ text_handle_event (ModeInfo *mi, XEvent *event) } -void +ENTRYPOINT void init_text (ModeInfo *mi) { text_configuration *tp; @@ -272,17 +347,18 @@ init_text (ModeInfo *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, @@ -293,12 +369,15 @@ init_text (ModeInfo *mi) 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 (); } @@ -360,7 +439,7 @@ fill_character (GLUTstrokeFont font, int c, Bool wire) ly = coord->y; } } - return (int) (ch->right + tube_width/2); + return (int) (ch->right + tube_width); } return 0; } @@ -455,7 +534,7 @@ fill_string (const char *string, Bool wire) } -void +ENTRYPOINT void draw_text (ModeInfo *mi) { text_configuration *tp = &tps[MI_SCREEN(mi)]; @@ -463,19 +542,21 @@ draw_text (ModeInfo *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); @@ -484,6 +565,7 @@ draw_text (ModeInfo *mi) glEnable(GL_NORMALIZE); glEnable(GL_CULL_FACE); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix (); @@ -499,10 +581,21 @@ draw_text (ModeInfo *mi) 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); + } } @@ -528,4 +621,6 @@ draw_text (ModeInfo *mi) glXSwapBuffers(dpy, window); } +XSCREENSAVER_MODULE_2 ("GLText", gltext, text) + #endif /* USE_GL */