Beispiel #1
0
static void
apply_xft_settings (struct x_display_info *dpyinfo,
                    struct xsettings *settings)
{
#ifdef HAVE_XFT
  FcPattern *pat;
  struct xsettings oldsettings;
  bool changed = false;

  memset (&oldsettings, 0, sizeof (oldsettings));
  pat = FcPatternCreate ();
  XftDefaultSubstitute (dpyinfo->display,
                        XScreenNumberOfScreen (dpyinfo->screen),
                        pat);
  FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
  FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
#ifdef FC_HINT_STYLE
  FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle);
#endif
  FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
  FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
  FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);

  if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
    {
      FcPatternDel (pat, FC_ANTIALIAS);
      FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa);
      changed = true;
      oldsettings.aa = settings->aa;
    }

  if ((settings->seen & SEEN_HINTING) != 0
      && oldsettings.hinting != settings->hinting)
    {
      FcPatternDel (pat, FC_HINTING);
      FcPatternAddBool (pat, FC_HINTING, settings->hinting);
      changed = true;
      oldsettings.hinting = settings->hinting;
    }
  if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)
    {
      FcPatternDel (pat, FC_RGBA);
      FcPatternAddInteger (pat, FC_RGBA, settings->rgba);
      oldsettings.rgba = settings->rgba;
      changed = true;
    }

  /* Older fontconfig versions don't have FC_LCD_FILTER. */
  if ((settings->seen & SEEN_LCDFILTER) != 0
      && oldsettings.lcdfilter != settings->lcdfilter)
    {
      FcPatternDel (pat, FC_LCD_FILTER);
      FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter);
      changed = true;
      oldsettings.lcdfilter = settings->lcdfilter;
    }

#ifdef FC_HINT_STYLE
  if ((settings->seen & SEEN_HINTSTYLE) != 0
      && oldsettings.hintstyle != settings->hintstyle)
    {
      FcPatternDel (pat, FC_HINT_STYLE);
      FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle);
      changed = true;
      oldsettings.hintstyle = settings->hintstyle;
    }
#endif

  if ((settings->seen & SEEN_DPI) != 0
      && settings->dpi > 0
      /* The following conjunct avoids setting `changed' to true when
	 old and new dpi settings do not differ "substantially".
	 Otherwise, the dynamic-setting Elisp code may process all sorts
	 of unrelated settings that override users' font customizations,
	 among others.  Compare:

	 https://lists.gnu.org/r/emacs-devel/2016-05/msg00557.html
	 https://lists.gnu.org/r/bug-gnu-emacs/2016-12/msg00820.html

	 As soon as the dynamic-settings code has been tested and
	 verified, this Emacs 25.2 workaround should be removed.  */
      && ((oldsettings.dpi >= settings->dpi
	   && (oldsettings.dpi - settings->dpi) > 2)
	  || ((settings->dpi > oldsettings.dpi)
	      && (settings->dpi - oldsettings.dpi) > 2)))
    {
      FcPatternDel (pat, FC_DPI);
      FcPatternAddDouble (pat, FC_DPI, settings->dpi);
      changed = true;
      oldsettings.dpi = settings->dpi;

      /* Changing the DPI on this display affects all frames on it.
	 Check FRAME_RES_X and FRAME_RES_Y in frame.h to see how.  */
      dpyinfo->resy = dpyinfo->resx = settings->dpi;
    }

  if (changed)
    {
      static char const format[] =
	"Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, "
	"Hintstyle: %d, DPI: %f";
      enum
      {
	d_formats = 5,
	d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d",
	lf_formats = 1,
	max_f_integer_digits = DBL_MAX_10_EXP + 1,
	f_precision = 6,
	lf_growth = (sizeof "-." + max_f_integer_digits + f_precision
		     - sizeof "%f")
      };
      char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];

      XftDefaultSet (dpyinfo->display, pat);
      store_config_changed_event (Qfont_render,
				  XCAR (dpyinfo->name_list_element));
      Vxft_settings
	= make_formatted_string (buf, format,
				 oldsettings.aa, oldsettings.hinting,
				 oldsettings.rgba, oldsettings.lcdfilter,
				 oldsettings.hintstyle, oldsettings.dpi);

    }
  else
    FcPatternDestroy (pat);
#endif /* HAVE_XFT */
}
Beispiel #2
0
static time_t
get_boot_time (void)
{
#if defined (BOOT_TIME)
    int counter;
#endif

    if (boot_time_initialized)
        return boot_time;
    boot_time_initialized = 1;

#if defined (CTL_KERN) && defined (KERN_BOOTTIME)
    {
        int mib[2];
        size_t size;
        struct timeval boottime_val;

        mib[0] = CTL_KERN;
        mib[1] = KERN_BOOTTIME;
        size = sizeof (boottime_val);

        if (sysctl (mib, 2, &boottime_val, &size, NULL, 0) >= 0)
        {
            boot_time = boottime_val.tv_sec;
            return boot_time;
        }
    }
#endif /* defined (CTL_KERN) && defined (KERN_BOOTTIME) */

    if (BOOT_TIME_FILE)
    {
        struct stat st;
        if (stat (BOOT_TIME_FILE, &st) == 0)
        {
            boot_time = st.st_mtime;
            return boot_time;
        }
    }

#if defined (BOOT_TIME)
#ifndef CANNOT_DUMP
    /* The utmp routines maintain static state.
       Don't touch that state unless we are initialized,
       since it might not survive dumping.  */
    if (! initialized)
        return boot_time;
#endif /* not CANNOT_DUMP */

    /* Try to get boot time from utmp before wtmp,
       since utmp is typically much smaller than wtmp.
       Passing a null pointer causes get_boot_time_1
       to inspect the default file, namely utmp.  */
    get_boot_time_1 (0, 0);
    if (boot_time)
        return boot_time;

    /* Try to get boot time from the current wtmp file.  */
    get_boot_time_1 (WTMP_FILE, 1);

    /* If we did not find a boot time in wtmp, look at wtmp, and so on.  */
    for (counter = 0; counter < 20 && ! boot_time; counter++)
    {
        char cmd_string[sizeof WTMP_FILE ".19.gz"];
        Lisp_Object tempname, filename;
        bool delete_flag = 0;

        filename = Qnil;

        tempname = make_formatted_string
                   (cmd_string, "%s.%d", WTMP_FILE, counter);
        if (! NILP (Ffile_exists_p (tempname)))
            filename = tempname;
        else
        {
            tempname = make_formatted_string (cmd_string, "%s.%d.gz",
                                              WTMP_FILE, counter);
            if (! NILP (Ffile_exists_p (tempname)))
            {
                Lisp_Object args[6];

                /* The utmp functions on mescaline.gnu.org accept only
                file names up to 8 characters long.  Choose a 2
                 character long prefix, and call make_temp_file with
                 second arg non-zero, so that it will add not more
                 than 6 characters to the prefix.  */
                filename = Fexpand_file_name (build_string ("wt"),
                                              Vtemporary_file_directory);
                filename = make_temp_name (filename, 1);
                args[0] = build_string ("gzip");
                args[1] = Qnil;
                args[2] = list2 (QCfile, filename);
                args[3] = Qnil;
                args[4] = build_string ("-cd");
                args[5] = tempname;
                Fcall_process (6, args);
                delete_flag = 1;
            }
        }

        if (! NILP (filename))
        {
            get_boot_time_1 (SSDATA (filename), 1);
            if (delete_flag)
                unlink (SSDATA (filename));
        }
    }

    return boot_time;
#else
    return 0;
#endif
}
Beispiel #3
0
static void
apply_xft_settings (struct x_display_info *dpyinfo,
                    struct xsettings *settings)
{
#ifdef HAVE_XFT
  FcPattern *pat;
  struct xsettings oldsettings;
  bool changed = false;

  memset (&oldsettings, 0, sizeof (oldsettings));
  pat = FcPatternCreate ();
  XftDefaultSubstitute (dpyinfo->display,
                        XScreenNumberOfScreen (dpyinfo->screen),
                        pat);
  FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
  FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
#ifdef FC_HINT_STYLE
  FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle);
#endif
  FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
  FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
  FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);

  if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
    {
      FcPatternDel (pat, FC_ANTIALIAS);
      FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa);
      changed = true;
      oldsettings.aa = settings->aa;
    }

  if ((settings->seen & SEEN_HINTING) != 0
      && oldsettings.hinting != settings->hinting)
    {
      FcPatternDel (pat, FC_HINTING);
      FcPatternAddBool (pat, FC_HINTING, settings->hinting);
      changed = true;
      oldsettings.hinting = settings->hinting;
    }
  if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)
    {
      FcPatternDel (pat, FC_RGBA);
      FcPatternAddInteger (pat, FC_RGBA, settings->rgba);
      oldsettings.rgba = settings->rgba;
      changed = true;
    }

  /* Older fontconfig versions don't have FC_LCD_FILTER. */
  if ((settings->seen & SEEN_LCDFILTER) != 0
      && oldsettings.lcdfilter != settings->lcdfilter)
    {
      FcPatternDel (pat, FC_LCD_FILTER);
      FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter);
      changed = true;
      oldsettings.lcdfilter = settings->lcdfilter;
    }

#ifdef FC_HINT_STYLE
  if ((settings->seen & SEEN_HINTSTYLE) != 0
      && oldsettings.hintstyle != settings->hintstyle)
    {
      FcPatternDel (pat, FC_HINT_STYLE);
      FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle);
      changed = true;
      oldsettings.hintstyle = settings->hintstyle;
    }
#endif

  if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi
      && settings->dpi > 0)
    {
      FcPatternDel (pat, FC_DPI);
      FcPatternAddDouble (pat, FC_DPI, settings->dpi);
      changed = true;
      oldsettings.dpi = settings->dpi;

      /* Changing the DPI on this display affects all frames on it.
	 Check FRAME_RES_X and FRAME_RES_Y in frame.h to see how.  */
      dpyinfo->resy = dpyinfo->resx = settings->dpi;
    }

  if (changed)
    {
      static char const format[] =
	"Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, "
	"Hintstyle: %d, DPI: %f";
      enum
      {
	d_formats = 5,
	d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d",
	lf_formats = 1,
	max_f_integer_digits = DBL_MAX_10_EXP + 1,
	f_precision = 6,
	lf_growth = (sizeof "-." + max_f_integer_digits + f_precision
		     - sizeof "%f")
      };
      char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];

      XftDefaultSet (dpyinfo->display, pat);
      store_config_changed_event (Qfont_render,
				  XCAR (dpyinfo->name_list_element));
      Vxft_settings
	= make_formatted_string (buf, format,
				 oldsettings.aa, oldsettings.hinting,
				 oldsettings.rgba, oldsettings.lcdfilter,
				 oldsettings.hintstyle, oldsettings.dpi);

    }
  else
    FcPatternDestroy (pat);
#endif /* HAVE_XFT */
}