static void
store_tool_bar_style_changed (const char *newstyle,
struct x_display_info *dpyinfo)
{
Lisp_Object style = map_tool_bar_style (newstyle);
if (EQ (current_tool_bar_style, style))
return; /* No change. */
current_tool_bar_style = style;
if (dpyinfo_valid (dpyinfo))
store_config_changed_event (Qtool_bar_style,
XCAR (dpyinfo->name_list_element));
}
static void
store_monospaced_changed (const char *newfont)
{
if (current_mono_font != NULL && strcmp (newfont, current_mono_font) == 0)
return; /* No change. */
dupstring (¤t_mono_font, newfont);
if (dpyinfo_valid (first_dpyinfo) && use_system_font)
{
store_config_changed_event (Qmonospace_font_name,
XCAR (first_dpyinfo->name_list_element));
}
}
static void
store_font_name_changed (const char *newfont)
{
if (current_font != NULL && strcmp (newfont, current_font) == 0)
return; /* No change. */
xfree (current_font);
current_font = xstrdup (newfont);
if (dpyinfo_valid (first_dpyinfo))
{
store_config_changed_event (Qfont_name,
XCAR (first_dpyinfo->name_list_element));
}
}
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 */
}
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 */
}
