X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fmemscroller.c;h=b1ca148644c290322b27c6b7fcdd18a5fd6aa508;hb=aa75c7476aeaa84cf3abc192b376a8b03c325213;hp=fca2459e8a0de7d4ff3f8ffa5a8a159f45ae718d;hpb=49f5b54f312fe4ac2e9bc47581a72451bd0e8439;p=xscreensaver

diff --git a/hacks/memscroller.c b/hacks/memscroller.c
index fca2459e..b1ca1486 100644
--- a/hacks/memscroller.c
+++ b/hacks/memscroller.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 2002, 2004, 2006 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 2002-2015 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
@@ -21,6 +21,10 @@
 #undef countof
 #define countof(x) (sizeof(x)/sizeof(*(x)))
 
+#ifndef HAVE_MOBILE
+# define READ_FILES
+#endif
+
 typedef struct {
   int which;
   XRectangle rect;
@@ -38,7 +42,7 @@ typedef struct {
   Window window;
   XWindowAttributes xgwa;
   GC draw_gc, erase_gc, text_gc;
-  XFontStruct *fonts[4];
+  XFontStruct *fonts[6];
   int border;
 
   enum { SEED_RAM, SEED_RANDOM, SEED_FILE } seed_mode;
@@ -82,7 +86,7 @@ memscroller_init (Display *dpy, Window window)
   {
     int ncolors = 255;
     XColor colors[256];
-    make_random_colormap (st->dpy, st->xgwa.visual, st->xgwa.colormap,
+    make_random_colormap (st->xgwa.screen, st->xgwa.visual, st->xgwa.colormap,
                           colors, &ncolors, True, True, 0, False);
   }
 
@@ -97,14 +101,31 @@ memscroller_init (Display *dpy, Window window)
         char res[20];
         sprintf (res, "font%d", i+1);
         fontname = get_string_resource (dpy, res, "Font");
-        st->fonts[i] = XLoadQueryFont (dpy, fontname);
-        if (!st->fonts[i] && i < nfonts-1)
+        /* Each resource can be a comma-separated list of font names.
+           We use the first one that exists. */
+        if (fontname && *fontname) 
           {
-            fprintf (stderr, "%s: unable to load font: \"%s\"\n",
-                     progname, fontname);
-            st->fonts[i] = st->fonts[i+1];
+            char *f2 = strdup(fontname);
+            char *f, *token = f2;
+            while ((f = strtok(token, ",")) && !st->fonts[i])
+              {
+                token = 0;
+                while (*f == ' ' || *f == '\t') f++;
+                st->fonts[i] = XLoadQueryFont (dpy, f);
+              }
+            free (f2);
+            if (!st->fonts[i] && i < nfonts-1)
+              {
+                fprintf (stderr, "%s: unable to load font: \"%s\"\n",
+                         progname, fontname);
+                st->fonts[i] = st->fonts[i+1];
+              }
           }
       }
+
+    if (!st->fonts[0])
+      st->fonts[0] = XLoadQueryFont (dpy, "fixed");
+
     if (!st->fonts[0])
       {
         fprintf (stderr, "%s: unable to load any fonts!", progname);
@@ -146,7 +167,9 @@ memscroller_init (Display *dpy, Window window)
   s = 0;
 
 
+# ifdef READ_FILES
   st->filename = get_string_resource (dpy, "filename", "Filename");
+# endif
 
   if (!st->filename ||
       !*st->filename ||
@@ -154,12 +177,16 @@ memscroller_init (Display *dpy, Window window)
       !strcasecmp (st->filename, "(mem)") ||
       !strcasecmp (st->filename, "(memory)"))
     st->seed_mode = SEED_RAM;
+# ifdef READ_FILES
   else if (st->filename &&
            (!strcasecmp (st->filename, "(rand)") ||
             !strcasecmp (st->filename, "(random)")))
     st->seed_mode = SEED_RANDOM;
   else
     st->seed_mode = SEED_FILE;
+# else
+  st->seed_mode = SEED_RANDOM;
+# endif
 
   st->nscrollers = 3;
   st->scrollers = (scroller *) calloc (st->nscrollers, sizeof(scroller));
@@ -253,6 +280,7 @@ reshape_memscroller (state *st)
 
 
 
+# ifdef READ_FILES
 static void
 open_file (state *st)
 {
@@ -271,6 +299,19 @@ open_file (state *st)
       exit (1);
     }
 }
+#endif
+
+
+/* "The brk and sbrk functions are historical curiosities left over
+   from earlier days before the advent of virtual memory management."
+      -- sbrk(2) man page on BSD systems, as of 1995 or so.
+ */
+#ifdef HAVE_SBRK
+# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 2)) /* gcc >= 4.2 */
+   /* Don't print "warning: 'sbrk' is deprecated". */
+#  pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+# endif
+#endif
 
 
 static unsigned int
@@ -294,7 +335,7 @@ more_bits (state *st, scroller *sc)
   vv = sc->value;
 
   /* Pack RGB into a pixel according to the XImage component masks;
-     set the remaining bits to 1 for the benefit of HAVE_COCOA alpha.
+     set the remaining bits to 1 for the benefit of HAVE_JWXYZ alpha.
    */
 # undef PACK
 # define PACK() ((((r << 24) | (r << 16) | (r << 8) | r) & rmsk) | \
@@ -316,10 +357,6 @@ more_bits (state *st, scroller *sc)
         sc->data = lomem;
 
 # ifdef HAVE_SBRK  /* re-get it each time through */
-      /* "The brk and sbrk functions are historical curiosities left over
-         from earlier days before the advent of virtual memory management."
-            -- sbrk(2) man page on MacOS
-       */
       himem = ((unsigned char *) sbrk(0)) - (2 * sizeof(void *));
 # endif
 
@@ -331,13 +368,13 @@ more_bits (state *st, scroller *sc)
         }
 
       /* I don't understand what's going on there, but on MacOS X, we're
-         getting insane values for lomem and himem (both Xlib and HAVE_COCOA).
+         getting insane values for lomem and himem (both Xlib and HAVE_JWXYZ).
          Does malloc() draw from more than one heap? */
       if ((unsigned long) himem - (unsigned long) lomem > 0x0FFFFFFF) {
 # if 0
         fprintf (stderr, "%s: wonky: 0x%08x - 0x%08x = 0x%08x\n", progname,
-                 (unsigned long) himem,  (unsigned long) lomem,
-                 (unsigned long) himem - (unsigned long) lomem);
+                 (unsigned int) himem,  (unsigned int) lomem,
+                 (unsigned int) himem - (unsigned int) lomem);
 # endif
         himem = lomem + 0xFFFF;
       }
@@ -399,6 +436,7 @@ more_bits (state *st, scroller *sc)
       pv = PACK();
       break;
 
+# ifdef READ_FILES
     case SEED_FILE:
       {
         int i;
@@ -443,6 +481,7 @@ more_bits (state *st, scroller *sc)
         pv = PACK();
       }
       break;
+# endif /* READ_FILES */
 
     default:
       abort();
@@ -483,7 +522,7 @@ draw_string (state *st)
       x = (st->xgwa.width - w) / 2;
       y = (bot - h) / 2;
 
-      if (y + h + 10 <= bot)
+      if (y + h + 10 <= bot && x > -10)
         {
           XSetFont (st->dpy, st->text_gc, st->fonts[i]->fid);
           XFillRectangle (st->dpy, st->window, st->erase_gc,
@@ -580,14 +619,29 @@ memscroller_free (Display *dpy, Window window, void *closure)
 static const char *memscroller_defaults [] = {
   ".background:		   black",
   "*drawMode:		   color",
+  "*fpsSolid:		   true",
+  "*fpsTop:		   true",
   "*filename:		   (RAM)",
   ".textColor:		   #00FF00",
   ".foreground:		   #00FF00",
   "*borderSize:		   2",
-  ".font1:		   -*-courier-medium-r-*-*-*-1400-*-*-m-*-*-*",
-  ".font2:		   -*-courier-medium-r-*-*-*-600-*-*-m-*-*-*",
-  ".font3:		   -*-courier-medium-r-*-*-*-180-*-*-m-*-*-*",
-  ".font4:		   fixed",
+
+#if defined(HAVE_COCOA) || defined(HAVE_ANDROID)
+  ".font1:		   OCR A Std 192, Lucida Console 192, Monaco 192",
+  ".font2:		   OCR A Std 144, Lucida Console 144, Monaco 144",
+  ".font3:		   OCR A Std 128, Lucida Console 128, Monaco 128",
+  ".font4:		   OCR A Std 96,  Lucida Console 96,  Monaco 96",
+  ".font5:		   OCR A Std 48,  Lucida Console 48,  Monaco 48",
+  ".font6:		   OCR A Std 24,  Lucida Console 24,  Monaco 24",
+#else  /* real X11 */
+  ".font1:		   -*-courier-bold-r-*-*-*-1440-*-*-m-*-*-*",
+  ".font2:		   -*-courier-bold-r-*-*-*-960-*-*-m-*-*-*",
+  ".font3:		   -*-courier-bold-r-*-*-*-480-*-*-m-*-*-*",
+  ".font4:		   -*-courier-bold-r-*-*-*-320-*-*-m-*-*-*",
+  ".font5:		   -*-courier-bold-r-*-*-*-180-*-*-m-*-*-*",
+  ".font6:		   fixed",
+#endif /* real X11 */
+
   "*delay:		   10000",
   "*offset:		   0",
   0