X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fgltext.c;h=314a4ee622e3f385ef31432863756b251af547e3;hb=50be9bb40dc60130c99ffa568e6677779904ff70;hp=a537c374299fe7f09e6e98fb1dfa0705bdfb67e1;hpb=ffd8c0873576a9e3065696a624dce6b766b77062;p=xscreensaver diff --git a/hacks/glx/gltext.c b/hacks/glx/gltext.c index a537c374..314a4ee6 100644 --- a/hacks/glx/gltext.c +++ b/hacks/glx/gltext.c @@ -1,4 +1,4 @@ -/* gltext, Copyright (c) 2001, 2002, 2003, 2004 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: 20000 \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 +32,21 @@ extern XtAppContext app; #include "tube.h" #include "rotator.h" #include "gltrackball.h" -#include -#include + #include #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 #endif /* HAVE_UNAME */ - -#include #include "glutstroke.h" #include "glut_roman.h" #define GLUT_FONT (&glutStrokeRoman) @@ -69,9 +54,10 @@ 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 +66,45 @@ 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[] = { - {&text_fmt, "text", "Text", DEF_TEXT, t_String}, - {&do_spin, "spin", "Spin", DEF_SPIN, t_String}, - {&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; @@ -135,7 +131,7 @@ 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) { @@ -185,7 +181,42 @@ 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; @@ -207,8 +238,34 @@ parse_text (ModeInfo *mi) 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); @@ -236,19 +293,20 @@ 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, @@ -257,11 +315,21 @@ 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) { @@ -275,7 +343,7 @@ text_handle_event (ModeInfo *mi, XEvent *event) } -void +ENTRYPOINT void init_text (ModeInfo *mi) { text_configuration *tp; @@ -288,8 +356,6 @@ init_text (ModeInfo *mi) fprintf(stderr, "%s: out of memory\n", progname); exit(1); } - - tp = &tps[MI_SCREEN(mi)]; } tp = &tps[MI_SCREEN(mi)]; @@ -300,17 +366,18 @@ init_text (ModeInfo *mi) } { - Bool spinx=False, spiny=False, spinz=False; 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, @@ -321,12 +388,15 @@ 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 (); } @@ -350,7 +420,7 @@ init_text (ModeInfo *mi) static int -fill_character (GLUTstrokeFont font, int c, Bool wire) +fill_character (GLUTstrokeFont font, int c, Bool wire, int *polysP) { GLfloat tube_width = 10; @@ -379,16 +449,16 @@ fill_character (GLUTstrokeFont font, int c, Bool wire) 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; } @@ -428,17 +498,17 @@ text_extents (const char *string, int *wP, int *hP) } -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; @@ -467,7 +537,7 @@ fill_string (const char *string, Bool wire) { glPushMatrix(); glTranslatef(x, y, 0); - off = fill_character (GLUT_FONT, *s2, wire); + off = fill_character (GLUT_FONT, *s2, wire, &polys); x += off; glPopMatrix(); } @@ -480,10 +550,11 @@ fill_string (const char *string, Bool wire) } else s++; + return polys; } -void +ENTRYPOINT void draw_text (ModeInfo *mi) { text_configuration *tp = &tps[MI_SCREEN(mi)]; @@ -491,19 +562,21 @@ 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); @@ -512,6 +585,7 @@ draw_text (ModeInfo *mi) glEnable(GL_NORMALIZE); glEnable(GL_CULL_FACE); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix (); @@ -527,10 +601,21 @@ 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); + } } @@ -546,7 +631,7 @@ draw_text (ModeInfo *mi) glScalef(0.01, 0.01, 0.01); - fill_string(tp->text, wire); + mi->polygon_count = fill_string(tp->text, wire); glPopMatrix (); @@ -556,4 +641,6 @@ draw_text (ModeInfo *mi) glXSwapBuffers(dpy, window); } +XSCREENSAVER_MODULE_2 ("GLText", gltext, text) + #endif /* USE_GL */