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DPI might get set to 0 if we saw some Xsettings, but not DPI.

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xsettings.c (struct xsettings): Add member seen.
(parse_xft_settings): Update member seen with what we have read.
Return 0 if Xft-settings have been parsed, 0 otherwise.
(apply_xft_settings): Only update Xft settings with what member seen
indicates as new.
This commit is contained in:
Jan Djärv 2009-12-12 16:12:59 +00:00
parent 05fe33ff4c
commit 3c055b77ae
2 changed files with 52 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/ChangeLog
View File

@ -1,3 +1,11 @@
2009-12-12 Jan Djärv <jan.h.d@swipnet.se>
* xsettings.c (struct xsettings): Add member seen.
(parse_xft_settings): Update member seen with what we have read.
Return 0 if Xft-settings have been parsed, 0 otherwise.
(apply_xft_settings): Only update Xft settings with what member seen
indicates as new.
2009-12-12 Eli Zaretskii <eliz@gnu.org>
* dispextern.h (struct text_pos): Use EMACS_INT;

55
src/xsettings.c
View File

@ -138,11 +138,21 @@ get_prop_window (dpyinfo)
XUngrabServer (dpy);
}
enum {
SEEN_AA = 0x01,
SEEN_HINTING = 0x02,
SEEN_RGBA = 0x04,
SEEN_LCDFILTER = 0x08,
SEEN_HINTSTYLE = 0x10,
SEEN_DPI = 0x20,
};
struct xsettings
{
FcBool aa, hinting;
int rgba, lcdfilter, hintstyle;
double dpi;
unsigned seen;
};
#define SWAP32(nr) (((nr) << 24) | (((nr) << 8) & 0xff0000) \
@ -197,6 +207,7 @@ struct xsettings
2 CARD16 green
2 CARD16 alpha
Returns non-zero if some Xft settings was seen, zero otherwise.
*/
static int
@ -294,11 +305,18 @@ parse_xft_settings (prop, bytes, settings)
{
++settings_seen;
if (strcmp (name, "Xft/Antialias") == 0)
settings->aa = ival != 0;
{
settings->seen |= SEEN_AA;
settings->aa = ival != 0;
}
else if (strcmp (name, "Xft/Hinting") == 0)
settings->hinting = ival != 0;
{
settings->seen |= SEEN_HINTING;
settings->hinting = ival != 0;
}
else if (strcmp (name, "Xft/HintStyle") == 0)
{
settings->seen |= SEEN_HINTSTYLE;
if (strcmp (sval, "hintnone") == 0)
settings->hintstyle = FC_HINT_NONE;
else if (strcmp (sval, "hintslight") == 0)
@ -307,9 +325,12 @@ parse_xft_settings (prop, bytes, settings)
settings->hintstyle = FC_HINT_MEDIUM;
else if (strcmp (sval, "hintfull") == 0)
settings->hintstyle = FC_HINT_FULL;
else
settings->seen &= ~SEEN_HINTSTYLE;
}
else if (strcmp (name, "Xft/RGBA") == 0)
{
settings->seen |= SEEN_RGBA;
if (strcmp (sval, "none") == 0)
settings->rgba = FC_RGBA_NONE;
else if (strcmp (sval, "rgb") == 0)
@ -320,20 +341,28 @@ parse_xft_settings (prop, bytes, settings)
settings->rgba = FC_RGBA_VRGB;
else if (strcmp (sval, "vbgr") == 0)
settings->rgba = FC_RGBA_VBGR;
else
settings->seen &= ~SEEN_RGBA;
}
else if (strcmp (name, "Xft/DPI") == 0)
settings->dpi = (double)ival/1024.0;
{
settings->seen |= SEEN_DPI;
settings->dpi = (double)ival/1024.0;
}
else if (strcmp (name, "Xft/lcdfilter") == 0)
{
settings->seen |= SEEN_LCDFILTER;
if (strcmp (sval, "none") == 0)
settings->lcdfilter = FC_LCD_NONE;
else if (strcmp (sval, "lcddefault") == 0)
settings->lcdfilter = FC_LCD_DEFAULT;
else
settings->seen &= ~SEEN_LCDFILTER;
}
}
}
return Success;
return settings_seen;
}
static int
@ -365,7 +394,7 @@ read_xft_settings (dpyinfo, settings)
x_uncatch_errors ();
return rc == Success;
return rc != 0;
}
@ -394,38 +423,42 @@ apply_xft_settings (dpyinfo, send_event_p)
FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);
if (oldsettings.aa != settings.aa)
if ((settings.seen & SEEN_AA) != 0 && oldsettings.aa != settings.aa)
{
FcPatternDel (pat, FC_ANTIALIAS);
FcPatternAddBool (pat, FC_ANTIALIAS, settings.aa);
++changed;
}
if (oldsettings.hinting != settings.hinting)
if ((settings.seen & SEEN_HINTING) != 0
&& oldsettings.hinting != settings.hinting)
{
FcPatternDel (pat, FC_HINTING);
FcPatternAddBool (pat, FC_HINTING, settings.hinting);
++changed;
}
if (oldsettings.rgba != settings.rgba)
if ((settings.seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings.rgba)
{
FcPatternDel (pat, FC_RGBA);
FcPatternAddInteger (pat, FC_RGBA, settings.rgba);
++changed;
}
/* Older fontconfig versions don't have FC_LCD_FILTER. */
if (oldsettings.lcdfilter != settings.lcdfilter)
if ((settings.seen & SEEN_LCDFILTER) != 0
&& oldsettings.lcdfilter != settings.lcdfilter)
{
FcPatternDel (pat, FC_LCD_FILTER);
FcPatternAddInteger (pat, FC_LCD_FILTER, settings.lcdfilter);
++changed;
}
if (oldsettings.hintstyle != settings.hintstyle)
if ((settings.seen & SEEN_HINTSTYLE) != 0
&& oldsettings.hintstyle != settings.hintstyle)
{
FcPatternDel (pat, FC_HINT_STYLE);
FcPatternAddInteger (pat, FC_HINT_STYLE, settings.hintstyle);
++changed;
}
if (oldsettings.dpi != settings.dpi)
if ((settings.seen & SEEN_DPI) != 0 && oldsettings.dpi != settings.dpi
&& settings.dpi > 0)
{
Lisp_Object frame, tail;