2 * Unified font management for GTK.
4 * PuTTY is willing to use both old-style X server-side bitmap
5 * fonts _and_ GTK2/Pango client-side fonts. This requires us to
6 * do a bit of work to wrap the two wildly different APIs into
7 * forms the rest of the code can switch between seamlessly, and
8 * also requires a custom font selector capable of handling both
16 #include <gdk/gdkkeysyms.h>
19 #include <X11/Xutil.h>
20 #include <X11/Xatom.h>
29 * - it would be nice to have a display of the current font name,
30 * and in particular whether it's client- or server-side,
31 * during the progress of the font selector.
33 * - all the GDK font functions used in the x11font subclass are
34 * deprecated, so one day they may go away. When this happens -
35 * or before, if I'm feeling proactive - it oughtn't to be too
36 * difficult in principle to convert the whole thing to use
37 * actual Xlib font calls.
39 * - it would be nice if we could move the processing of
40 * underline and VT100 double width into this module, so that
41 * instead of using the ghastly pixmap-stretching technique
42 * everywhere we could tell the Pango backend to scale its
43 * fonts to double size properly and at full resolution.
44 * However, this requires me to learn how to make Pango stretch
45 * text to an arbitrary aspect ratio (for double-width only
46 * text, which perversely is harder than DW+DH), and right now
47 * I haven't the energy.
51 * Ad-hoc vtable mechanism to allow font structures to be
54 * Any instance of `unifont' used in the vtable functions will
55 * actually be the first element of a larger structure containing
56 * data specific to the subtype. This is permitted by the ISO C
57 * provision that one may safely cast between a pointer to a
58 * structure and a pointer to its first element.
61 #define FONTFLAG_CLIENTSIDE 0x0001
62 #define FONTFLAG_SERVERSIDE 0x0002
63 #define FONTFLAG_SERVERALIAS 0x0004
64 #define FONTFLAG_NONMONOSPACED 0x0008
66 #define FONTFLAG_SORT_MASK 0x0007 /* used to disambiguate font families */
68 typedef void (*fontsel_add_entry
)(void *ctx
, const char *realfontname
,
69 const char *family
, const char *charset
,
70 const char *style
, const char *stylekey
,
72 const struct unifont_vtable
*fontclass
);
74 struct unifont_vtable
{
76 * `Methods' of the `class'.
78 unifont
*(*create
)(GtkWidget
*widget
, const char *name
, int wide
, int bold
,
79 int shadowoffset
, int shadowalways
);
80 void (*destroy
)(unifont
*font
);
81 void (*draw_text
)(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
82 int x
, int y
, const char *string
, int len
, int wide
,
83 int bold
, int cellwidth
);
84 void (*enum_fonts
)(GtkWidget
*widget
,
85 fontsel_add_entry callback
, void *callback_ctx
);
86 char *(*canonify_fontname
)(GtkWidget
*widget
, const char *name
, int *size
,
87 int *flags
, int resolve_aliases
);
88 char *(*scale_fontname
)(GtkWidget
*widget
, const char *name
, int size
);
91 * `Static data members' of the `class'.
96 /* ----------------------------------------------------------------------
97 * GDK-based X11 font implementation.
100 static void x11font_draw_text(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
101 int x
, int y
, const char *string
, int len
,
102 int wide
, int bold
, int cellwidth
);
103 static unifont
*x11font_create(GtkWidget
*widget
, const char *name
,
105 int shadowoffset
, int shadowalways
);
106 static void x11font_destroy(unifont
*font
);
107 static void x11font_enum_fonts(GtkWidget
*widget
,
108 fontsel_add_entry callback
, void *callback_ctx
);
109 static char *x11font_canonify_fontname(GtkWidget
*widget
, const char *name
,
110 int *size
, int *flags
,
111 int resolve_aliases
);
112 static char *x11font_scale_fontname(GtkWidget
*widget
, const char *name
,
118 * Actual font objects. We store a number of these, for
119 * automatically guessed bold and wide variants.
121 * The parallel array `allocated' indicates whether we've
122 * tried to fetch a subfont already (thus distinguishing NULL
123 * because we haven't tried yet from NULL because we tried and
124 * failed, so that we don't keep trying and failing
130 * `sixteen_bit' is true iff the font object is indexed by
131 * values larger than a byte. That is, this flag tells us
132 * whether we use gdk_draw_text_wc() or gdk_draw_text().
136 * `variable' is true iff the font is non-fixed-pitch. This
137 * enables some code which takes greater care over character
138 * positioning during text drawing.
142 * Data passed in to unifont_create().
144 int wide
, bold
, shadowoffset
, shadowalways
;
147 static const struct unifont_vtable x11font_vtable
= {
152 x11font_canonify_fontname
,
153 x11font_scale_fontname
,
157 char *x11_guess_derived_font_name(GdkFont
*font
, int bold
, int wide
)
159 XFontStruct
*xfs
= GDK_FONT_XFONT(font
);
160 Display
*disp
= GDK_FONT_XDISPLAY(font
);
161 Atom fontprop
= XInternAtom(disp
, "FONT", False
);
163 if (XGetFontProperty(xfs
, fontprop
, &ret
)) {
164 char *name
= XGetAtomName(disp
, (Atom
)ret
);
165 if (name
&& name
[0] == '-') {
167 char *dupname
, *extrafree
= NULL
, *ret
;
171 p
= q
= dupname
= dupstr(name
); /* skip initial minus */
174 while (*p
&& nstr
< lenof(strings
)) {
177 strings
[nstr
++] = p
+1;
182 if (nstr
< lenof(strings
))
183 return NULL
; /* XLFD was malformed */
189 /* 4 is `wideness', which obviously may have changed. */
190 /* 5 is additional style, which may be e.g. `ja' or `ko'. */
191 strings
[4] = strings
[5] = "*";
192 strings
[11] = extrafree
= dupprintf("%d", 2*atoi(strings
[11]));
195 ret
= dupcat("-", strings
[ 0], "-", strings
[ 1], "-", strings
[ 2],
196 "-", strings
[ 3], "-", strings
[ 4], "-", strings
[ 5],
197 "-", strings
[ 6], "-", strings
[ 7], "-", strings
[ 8],
198 "-", strings
[ 9], "-", strings
[10], "-", strings
[11],
199 "-", strings
[12], NULL
);
209 static int x11_font_width(GdkFont
*font
, int sixteen_bit
)
215 return gdk_text_width(font
, (const gchar
*)&space
, 2);
217 return gdk_char_width(font
, '0');
221 static unifont
*x11font_create(GtkWidget
*widget
, const char *name
,
223 int shadowoffset
, int shadowalways
)
225 struct x11font
*xfont
;
229 Atom charset_registry
, charset_encoding
, spacing
;
230 unsigned long registry_ret
, encoding_ret
, spacing_ret
;
231 int pubcs
, realcs
, sixteen_bit
, variable
;
234 font
= gdk_font_load(name
);
238 xfs
= GDK_FONT_XFONT(font
);
239 disp
= GDK_FONT_XDISPLAY(font
);
241 charset_registry
= XInternAtom(disp
, "CHARSET_REGISTRY", False
);
242 charset_encoding
= XInternAtom(disp
, "CHARSET_ENCODING", False
);
244 pubcs
= realcs
= CS_NONE
;
248 if (XGetFontProperty(xfs
, charset_registry
, ®istry_ret
) &&
249 XGetFontProperty(xfs
, charset_encoding
, &encoding_ret
)) {
251 reg
= XGetAtomName(disp
, (Atom
)registry_ret
);
252 enc
= XGetAtomName(disp
, (Atom
)encoding_ret
);
254 char *encoding
= dupcat(reg
, "-", enc
, NULL
);
255 pubcs
= realcs
= charset_from_xenc(encoding
);
258 * iso10646-1 is the only wide font encoding we
259 * support. In this case, we expect clients to give us
260 * UTF-8, which this module must internally convert
261 * into 16-bit Unicode.
263 if (!strcasecmp(encoding
, "iso10646-1")) {
265 pubcs
= realcs
= CS_UTF8
;
269 * Hack for X line-drawing characters: if the primary
270 * font is encoded as ISO-8859-1, and has valid glyphs
271 * in the first 32 char positions, it is assumed that
272 * those glyphs are the VT100 line-drawing character
275 * Actually, we'll hack even harder by only checking
276 * position 0x19 (vertical line, VT100 linedrawing
277 * `x'). Then we can check it easily by seeing if the
278 * ascent and descent differ.
280 if (pubcs
== CS_ISO8859_1
) {
281 int lb
, rb
, wid
, asc
, desc
;
286 gdk_string_extents(font
, text
, &lb
, &rb
, &wid
, &asc
, &desc
);
288 realcs
= CS_ISO8859_1_X11
;
295 spacing
= XInternAtom(disp
, "SPACING", False
);
296 if (XGetFontProperty(xfs
, spacing
, &spacing_ret
)) {
298 spc
= XGetAtomName(disp
, (Atom
)spacing_ret
);
300 if (spc
&& strchr("CcMm", spc
[0]))
304 xfont
= snew(struct x11font
);
305 xfont
->u
.vt
= &x11font_vtable
;
306 xfont
->u
.width
= x11_font_width(font
, sixteen_bit
);
307 xfont
->u
.ascent
= font
->ascent
;
308 xfont
->u
.descent
= font
->descent
;
309 xfont
->u
.height
= xfont
->u
.ascent
+ xfont
->u
.descent
;
310 xfont
->u
.public_charset
= pubcs
;
311 xfont
->u
.real_charset
= realcs
;
312 xfont
->fonts
[0] = font
;
313 xfont
->allocated
[0] = TRUE
;
314 xfont
->sixteen_bit
= sixteen_bit
;
315 xfont
->variable
= variable
;
318 xfont
->shadowoffset
= shadowoffset
;
319 xfont
->shadowalways
= shadowalways
;
321 for (i
= 1; i
< lenof(xfont
->fonts
); i
++) {
322 xfont
->fonts
[i
] = NULL
;
323 xfont
->allocated
[i
] = FALSE
;
326 return (unifont
*)xfont
;
329 static void x11font_destroy(unifont
*font
)
331 struct x11font
*xfont
= (struct x11font
*)font
;
334 for (i
= 0; i
< lenof(xfont
->fonts
); i
++)
336 gdk_font_unref(xfont
->fonts
[i
]);
340 static void x11_alloc_subfont(struct x11font
*xfont
, int sfid
)
342 char *derived_name
= x11_guess_derived_font_name
343 (xfont
->fonts
[0], sfid
& 1, !!(sfid
& 2));
344 xfont
->fonts
[sfid
] = gdk_font_load(derived_name
); /* may be NULL */
345 xfont
->allocated
[sfid
] = TRUE
;
349 static void x11font_really_draw_text(GdkDrawable
*target
, GdkFont
*font
,
350 GdkGC
*gc
, int x
, int y
,
351 const gchar
*string
, int clen
, int nchars
,
352 int shadowbold
, int shadowoffset
,
353 int fontvariable
, int cellwidth
)
355 int step
= clen
* nchars
, nsteps
= 1, centre
= FALSE
;
359 * In a variable-pitch font, we draw one character at a
360 * time, and centre it in the character cell.
367 while (nsteps
-- > 0) {
370 X
+= (cellwidth
- gdk_text_width(font
, string
, step
)) / 2;
372 gdk_draw_text(target
, font
, gc
, X
, y
, string
, step
);
374 gdk_draw_text(target
, font
, gc
, X
+ shadowoffset
, y
, string
, step
);
381 static void x11font_draw_text(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
382 int x
, int y
, const char *string
, int len
,
383 int wide
, int bold
, int cellwidth
)
385 struct x11font
*xfont
= (struct x11font
*)font
;
387 int shadowbold
= FALSE
;
388 int mult
= (wide ?
2 : 1);
394 * Decide which subfont we're using, and whether we have to
397 if (xfont
->shadowalways
&& bold
) {
401 sfid
= 2 * wide
+ bold
;
402 if (!xfont
->allocated
[sfid
])
403 x11_alloc_subfont(xfont
, sfid
);
404 if (bold
&& !xfont
->fonts
[sfid
]) {
407 sfid
= 2 * wide
+ bold
;
408 if (!xfont
->allocated
[sfid
])
409 x11_alloc_subfont(xfont
, sfid
);
412 if (!xfont
->fonts
[sfid
])
413 return; /* we've tried our best, but no luck */
415 if (xfont
->sixteen_bit
) {
417 * This X font has 16-bit character indices, which means
418 * we expect our string to have been passed in UTF-8.
422 int nchars
, maxchars
, i
;
425 * Convert the input string to wide-character Unicode.
428 for (i
= 0; i
< len
; i
++)
429 if ((unsigned char)string
[i
] <= 0x7F ||
430 (unsigned char)string
[i
] >= 0xC0)
432 wcs
= snewn(maxchars
+1, wchar_t);
433 nchars
= charset_to_unicode((char **)&string
, &len
, wcs
, maxchars
,
434 CS_UTF8
, NULL
, NULL
, 0);
435 assert(nchars
<= maxchars
);
438 xcs
= snewn(nchars
, XChar2b
);
439 for (i
= 0; i
< nchars
; i
++) {
440 xcs
[i
].byte1
= wcs
[i
] >> 8;
441 xcs
[i
].byte2
= wcs
[i
];
444 x11font_really_draw_text(target
, xfont
->fonts
[sfid
], gc
, x
, y
,
445 (gchar
*)xcs
, 2, nchars
,
446 shadowbold
, xfont
->shadowoffset
,
447 xfont
->variable
, cellwidth
* mult
);
451 x11font_really_draw_text(target
, xfont
->fonts
[sfid
], gc
, x
, y
,
453 shadowbold
, xfont
->shadowoffset
,
454 xfont
->variable
, cellwidth
* mult
);
458 static void x11font_enum_fonts(GtkWidget
*widget
,
459 fontsel_add_entry callback
, void *callback_ctx
)
463 int nnames
, i
, max
, tmpsize
;
467 fontnames
= XListFonts(GDK_DISPLAY(), "*", max
, &nnames
);
469 XFreeFontNames(fontnames
);
477 for (i
= 0; i
< nnames
; i
++) {
478 if (fontnames
[i
][0] == '-') {
480 * Dismember an XLFD and convert it into the format
481 * we'll be using in the font selector.
483 char *components
[14];
484 char *p
, *font
, *style
, *stylekey
, *charset
;
485 int j
, weightkey
, slantkey
, setwidthkey
;
486 int thistmpsize
, fontsize
, flags
;
488 thistmpsize
= 4 * strlen(fontnames
[i
]) + 256;
489 if (tmpsize
< thistmpsize
) {
490 tmpsize
= thistmpsize
;
491 tmp
= sresize(tmp
, tmpsize
, char);
493 strcpy(tmp
, fontnames
[i
]);
496 for (j
= 0; j
< 14; j
++) {
500 while (*p
&& *p
!= '-')
506 * Font name is made up of fields 0 and 1, in reverse
507 * order with parentheses. (This is what the GTK 1.2 X
508 * font selector does, and it seems to come out
509 * looking reasonably sensible.)
512 p
+= 1 + sprintf(p
, "%s (%s)", components
[1], components
[0]);
515 * Charset is made up of fields 12 and 13.
518 p
+= 1 + sprintf(p
, "%s-%s", components
[12], components
[13]);
521 * Style is a mixture of quite a lot of the fields,
522 * with some strange formatting.
525 p
+= sprintf(p
, "%s", components
[2][0] ? components
[2] :
527 if (!g_strcasecmp(components
[3], "i"))
528 p
+= sprintf(p
, " italic");
529 else if (!g_strcasecmp(components
[3], "o"))
530 p
+= sprintf(p
, " oblique");
531 else if (!g_strcasecmp(components
[3], "ri"))
532 p
+= sprintf(p
, " reverse italic");
533 else if (!g_strcasecmp(components
[3], "ro"))
534 p
+= sprintf(p
, " reverse oblique");
535 else if (!g_strcasecmp(components
[3], "ot"))
536 p
+= sprintf(p
, " other-slant");
537 if (components
[4][0] && g_strcasecmp(components
[4], "normal"))
538 p
+= sprintf(p
, " %s", components
[4]);
539 if (!g_strcasecmp(components
[10], "m"))
540 p
+= sprintf(p
, " [M]");
541 if (!g_strcasecmp(components
[10], "c"))
542 p
+= sprintf(p
, " [C]");
543 if (components
[5][0])
544 p
+= sprintf(p
, " %s", components
[5]);
547 * Style key is the same stuff as above, but with a
548 * couple of transformations done on it to make it
549 * sort more sensibly.
553 if (!g_strcasecmp(components
[2], "medium") ||
554 !g_strcasecmp(components
[2], "regular") ||
555 !g_strcasecmp(components
[2], "normal") ||
556 !g_strcasecmp(components
[2], "book"))
558 else if (!g_strncasecmp(components
[2], "demi", 4) ||
559 !g_strncasecmp(components
[2], "semi", 4))
563 if (!g_strcasecmp(components
[3], "r"))
565 else if (!g_strncasecmp(components
[3], "r", 1))
569 if (!g_strcasecmp(components
[4], "normal"))
574 p
+= sprintf(p
, "%04d%04d%s%04d%04d%s%04d%04d%s%04d%s%04d%s",
576 (int)strlen(components
[2]), components
[2],
578 (int)strlen(components
[3]), components
[3],
580 (int)strlen(components
[4]), components
[4],
581 (int)strlen(components
[10]), components
[10],
582 (int)strlen(components
[5]), components
[5]);
584 assert(p
- tmp
< thistmpsize
);
587 * Size is in pixels, for our application, so we
588 * derive it directly from the pixel size field,
591 fontsize
= atoi(components
[6]);
594 * Flags: we need to know whether this is a monospaced
595 * font, which we do by examining the spacing field
598 flags
= FONTFLAG_SERVERSIDE
;
599 if (!strchr("CcMm", components
[10][0]))
600 flags
|= FONTFLAG_NONMONOSPACED
;
603 * Not sure why, but sometimes the X server will
604 * deliver dummy font types in which fontsize comes
605 * out as zero. Filter those out.
608 callback(callback_ctx
, fontnames
[i
], font
, charset
,
609 style
, stylekey
, fontsize
, flags
, &x11font_vtable
);
612 * This isn't an XLFD, so it must be an alias.
613 * Transmit it with mostly null data.
615 * It would be nice to work out if it's monospaced
616 * here, but at the moment I can't see that being
617 * anything but computationally hideous. Ah well.
619 callback(callback_ctx
, fontnames
[i
], fontnames
[i
], NULL
,
620 NULL
, NULL
, 0, FONTFLAG_SERVERALIAS
, &x11font_vtable
);
623 XFreeFontNames(fontnames
);
626 static char *x11font_canonify_fontname(GtkWidget
*widget
, const char *name
,
627 int *size
, int *flags
,
631 * When given an X11 font name to try to make sense of for a
632 * font selector, we must attempt to load it (to see if it
633 * exists), and then canonify it by extracting its FONT
634 * property, which should give its full XLFD even if what we
635 * originally had was a wildcard.
637 * However, we must carefully avoid canonifying font
638 * _aliases_, unless specifically asked to, because the font
639 * selector treats them as worthwhile in their own right.
641 GdkFont
*font
= gdk_font_load(name
);
644 Atom fontprop
, fontprop2
;
648 return NULL
; /* didn't make sense to us, sorry */
652 xfs
= GDK_FONT_XFONT(font
);
653 disp
= GDK_FONT_XDISPLAY(font
);
654 fontprop
= XInternAtom(disp
, "FONT", False
);
656 if (XGetFontProperty(xfs
, fontprop
, &ret
)) {
657 char *newname
= XGetAtomName(disp
, (Atom
)ret
);
659 unsigned long fsize
= 12;
661 fontprop2
= XInternAtom(disp
, "PIXEL_SIZE", False
);
662 if (XGetFontProperty(xfs
, fontprop2
, &fsize
) && fsize
> 0) {
664 gdk_font_unref(font
);
666 if (name
[0] == '-' || resolve_aliases
)
667 *flags
= FONTFLAG_SERVERSIDE
;
669 *flags
= FONTFLAG_SERVERALIAS
;
671 return dupstr(name
[0] == '-' || resolve_aliases ?
677 gdk_font_unref(font
);
678 return NULL
; /* something went wrong */
681 static char *x11font_scale_fontname(GtkWidget
*widget
, const char *name
,
684 return NULL
; /* shan't */
687 #if GTK_CHECK_VERSION(2,0,0)
689 /* ----------------------------------------------------------------------
690 * Pango font implementation (for GTK 2 only).
693 #if defined PANGO_PRE_1POINT4 && !defined PANGO_PRE_1POINT6
694 #define PANGO_PRE_1POINT6 /* make life easier for pre-1.4 folk */
697 static void pangofont_draw_text(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
698 int x
, int y
, const char *string
, int len
,
699 int wide
, int bold
, int cellwidth
);
700 static unifont
*pangofont_create(GtkWidget
*widget
, const char *name
,
702 int shadowoffset
, int shadowalways
);
703 static void pangofont_destroy(unifont
*font
);
704 static void pangofont_enum_fonts(GtkWidget
*widget
, fontsel_add_entry callback
,
706 static char *pangofont_canonify_fontname(GtkWidget
*widget
, const char *name
,
707 int *size
, int *flags
,
708 int resolve_aliases
);
709 static char *pangofont_scale_fontname(GtkWidget
*widget
, const char *name
,
717 PangoFontDescription
*desc
;
720 * The containing widget.
724 * Data passed in to unifont_create().
726 int bold
, shadowoffset
, shadowalways
;
729 static const struct unifont_vtable pangofont_vtable
= {
733 pangofont_enum_fonts
,
734 pangofont_canonify_fontname
,
735 pangofont_scale_fontname
,
740 * This function is used to rigorously validate a
741 * PangoFontDescription. Later versions of Pango have a nasty
742 * habit of accepting _any_ old string as input to
743 * pango_font_description_from_string and returning a font
744 * description which can actually be used to display text, even if
745 * they have to do it by falling back to their most default font.
746 * This is doubtless helpful in some situations, but not here,
747 * because we need to know if a Pango font string actually _makes
748 * sense_ in order to fall back to treating it as an X font name
749 * if it doesn't. So we check that the font family is actually one
750 * supported by Pango.
752 static int pangofont_check_desc_makes_sense(PangoContext
*ctx
,
753 PangoFontDescription
*desc
)
755 #ifndef PANGO_PRE_1POINT6
758 PangoFontFamily
**families
;
759 int i
, nfamilies
, matched
;
762 * Ask Pango for a list of font families, and iterate through
763 * them to see if one of them matches the family in the
764 * PangoFontDescription.
766 #ifndef PANGO_PRE_1POINT6
767 map
= pango_context_get_font_map(ctx
);
770 pango_font_map_list_families(map
, &families
, &nfamilies
);
772 pango_context_list_families(ctx
, &families
, &nfamilies
);
776 for (i
= 0; i
< nfamilies
; i
++) {
777 if (!g_strcasecmp(pango_font_family_get_name(families
[i
]),
778 pango_font_description_get_family(desc
))) {
788 static unifont
*pangofont_create(GtkWidget
*widget
, const char *name
,
790 int shadowoffset
, int shadowalways
)
792 struct pangofont
*pfont
;
794 #ifndef PANGO_PRE_1POINT6
797 PangoFontDescription
*desc
;
799 PangoFontMetrics
*metrics
;
801 desc
= pango_font_description_from_string(name
);
804 ctx
= gtk_widget_get_pango_context(widget
);
806 pango_font_description_free(desc
);
809 if (!pangofont_check_desc_makes_sense(ctx
, desc
)) {
810 pango_font_description_free(desc
);
813 #ifndef PANGO_PRE_1POINT6
814 map
= pango_context_get_font_map(ctx
);
816 pango_font_description_free(desc
);
819 fset
= pango_font_map_load_fontset(map
, ctx
, desc
,
820 pango_context_get_language(ctx
));
822 fset
= pango_context_load_fontset(ctx
, desc
,
823 pango_context_get_language(ctx
));
826 pango_font_description_free(desc
);
829 metrics
= pango_fontset_get_metrics(fset
);
831 pango_font_metrics_get_approximate_digit_width(metrics
) == 0) {
832 pango_font_description_free(desc
);
833 g_object_unref(fset
);
837 pfont
= snew(struct pangofont
);
838 pfont
->u
.vt
= &pangofont_vtable
;
840 PANGO_PIXELS(pango_font_metrics_get_approximate_digit_width(metrics
));
841 pfont
->u
.ascent
= PANGO_PIXELS(pango_font_metrics_get_ascent(metrics
));
842 pfont
->u
.descent
= PANGO_PIXELS(pango_font_metrics_get_descent(metrics
));
843 pfont
->u
.height
= pfont
->u
.ascent
+ pfont
->u
.descent
;
844 /* The Pango API is hardwired to UTF-8 */
845 pfont
->u
.public_charset
= CS_UTF8
;
846 pfont
->u
.real_charset
= CS_UTF8
;
849 pfont
->widget
= widget
;
851 pfont
->shadowoffset
= shadowoffset
;
852 pfont
->shadowalways
= shadowalways
;
854 pango_font_metrics_unref(metrics
);
856 return (unifont
*)pfont
;
859 static void pangofont_destroy(unifont
*font
)
861 struct pangofont
*pfont
= (struct pangofont
*)font
;
862 pango_font_description_free(pfont
->desc
);
863 g_object_unref(pfont
->fset
);
867 static void pangofont_draw_text(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
868 int x
, int y
, const char *string
, int len
,
869 int wide
, int bold
, int cellwidth
)
871 struct pangofont
*pfont
= (struct pangofont
*)font
;
874 int shadowbold
= FALSE
;
879 y
-= pfont
->u
.ascent
;
881 layout
= pango_layout_new(gtk_widget_get_pango_context(pfont
->widget
));
882 pango_layout_set_font_description(layout
, pfont
->desc
);
883 if (bold
> pfont
->bold
) {
884 if (pfont
->shadowalways
)
887 PangoFontDescription
*desc2
=
888 pango_font_description_copy_static(pfont
->desc
);
889 pango_font_description_set_weight(desc2
, PANGO_WEIGHT_BOLD
);
890 pango_layout_set_font_description(layout
, desc2
);
898 * We want to display every character from this string in
899 * the centre of its own character cell. In the worst case,
900 * this requires a separate text-drawing call for each
901 * character; but in the common case where the font is
902 * properly fixed-width, we can draw many characters in one
903 * go which is much faster.
905 * This still isn't really ideal. If you look at what
906 * happens in the X protocol as a result of all of this, you
907 * find - naturally enough - that each call to
908 * gdk_draw_layout() generates a separate set of X RENDER
909 * operations involving creating a picture, setting a clip
910 * rectangle, doing some drawing and undoing the whole lot.
911 * In an ideal world, we should _always_ be able to turn the
912 * contents of this loop into a single RenderCompositeGlyphs
913 * operation which internally specifies inter-character
914 * deltas to get the spacing right, which would give us full
915 * speed _even_ in the worst case of a non-fixed-width font.
916 * However, Pango's architecture and documentation are so
917 * unhelpful that I have no idea how if at all to persuade
922 * Start by extracting a single UTF-8 character from the
927 (unsigned char)string
[clen
] >= 0x80 &&
928 (unsigned char)string
[clen
] < 0xC0)
933 * See if that character has the width we expect.
935 pango_layout_set_text(layout
, string
, clen
);
936 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
938 if (rect
.width
== cellwidth
) {
940 * Try extracting more characters, for as long as they
945 clen
++; /* skip UTF-8 introducer byte */
947 (unsigned char)string
[clen
] >= 0x80 &&
948 (unsigned char)string
[clen
] < 0xC0)
951 pango_layout_set_text(layout
, string
, clen
);
952 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
953 if (rect
.width
!= n
* cellwidth
) {
961 pango_layout_set_text(layout
, string
, clen
);
962 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
963 gdk_draw_layout(target
, gc
, x
+ (n
*cellwidth
- rect
.width
)/2,
964 y
+ (pfont
->u
.height
- rect
.height
)/2, layout
);
966 gdk_draw_layout(target
, gc
, x
+ (n
*cellwidth
- rect
.width
)/2 + pfont
->shadowoffset
,
967 y
+ (pfont
->u
.height
- rect
.height
)/2, layout
);
974 g_object_unref(layout
);
978 * Dummy size value to be used when converting a
979 * PangoFontDescription of a scalable font to a string for
982 #define PANGO_DUMMY_SIZE 12
984 static void pangofont_enum_fonts(GtkWidget
*widget
, fontsel_add_entry callback
,
988 #ifndef PANGO_PRE_1POINT6
991 PangoFontFamily
**families
;
994 ctx
= gtk_widget_get_pango_context(widget
);
999 * Ask Pango for a list of font families, and iterate through
1002 #ifndef PANGO_PRE_1POINT6
1003 map
= pango_context_get_font_map(ctx
);
1006 pango_font_map_list_families(map
, &families
, &nfamilies
);
1008 pango_context_list_families(ctx
, &families
, &nfamilies
);
1010 for (i
= 0; i
< nfamilies
; i
++) {
1011 PangoFontFamily
*family
= families
[i
];
1012 const char *familyname
;
1014 PangoFontFace
**faces
;
1018 * Set up our flags for this font family, and get the name
1021 flags
= FONTFLAG_CLIENTSIDE
;
1022 #ifndef PANGO_PRE_1POINT4
1024 * In very early versions of Pango, we can't tell
1025 * monospaced fonts from non-monospaced.
1027 if (!pango_font_family_is_monospace(family
))
1028 flags
|= FONTFLAG_NONMONOSPACED
;
1030 familyname
= pango_font_family_get_name(family
);
1033 * Go through the available font faces in this family.
1035 pango_font_family_list_faces(family
, &faces
, &nfaces
);
1036 for (j
= 0; j
< nfaces
; j
++) {
1037 PangoFontFace
*face
= faces
[j
];
1038 PangoFontDescription
*desc
;
1039 const char *facename
;
1041 int k
, nsizes
, dummysize
;
1044 * Get the face name string.
1046 facename
= pango_font_face_get_face_name(face
);
1049 * Set up a font description with what we've got so
1050 * far. We'll fill in the size field manually and then
1051 * call pango_font_description_to_string() to give the
1052 * full real name of the specific font.
1054 desc
= pango_font_face_describe(face
);
1057 * See if this font has a list of specific sizes.
1059 #ifndef PANGO_PRE_1POINT4
1060 pango_font_face_list_sizes(face
, &sizes
, &nsizes
);
1063 * In early versions of Pango, that call wasn't
1064 * supported; we just have to assume everything is
1071 * Write a single entry with a dummy size.
1073 dummysize
= PANGO_DUMMY_SIZE
* PANGO_SCALE
;
1079 * If so, go through them one by one.
1081 for (k
= 0; k
< nsizes
; k
++) {
1085 pango_font_description_set_size(desc
, sizes
[k
]);
1087 fullname
= pango_font_description_to_string(desc
);
1090 * Construct the sorting key for font styles.
1096 n
= pango_font_description_get_weight(desc
);
1097 /* Weight: normal, then lighter, then bolder */
1098 if (n
<= PANGO_WEIGHT_NORMAL
)
1099 n
= PANGO_WEIGHT_NORMAL
- n
;
1100 p
+= sprintf(p
, "%4d", n
);
1102 n
= pango_font_description_get_style(desc
);
1103 p
+= sprintf(p
, " %2d", n
);
1105 n
= pango_font_description_get_stretch(desc
);
1106 /* Stretch: closer to normal sorts earlier */
1107 n
= 2 * abs(PANGO_STRETCH_NORMAL
- n
) +
1108 (n
< PANGO_STRETCH_NORMAL
);
1109 p
+= sprintf(p
, " %2d", n
);
1111 n
= pango_font_description_get_variant(desc
);
1112 p
+= sprintf(p
, " %2d", n
);
1117 * Got everything. Hand off to the callback.
1118 * (The charset string is NULL, because only
1119 * server-side X fonts use it.)
1121 callback(callback_ctx
, fullname
, familyname
, NULL
, facename
,
1123 (sizes
== &dummysize ?
0 : PANGO_PIXELS(sizes
[k
])),
1124 flags
, &pangofont_vtable
);
1128 if (sizes
!= &dummysize
)
1131 pango_font_description_free(desc
);
1138 static char *pangofont_canonify_fontname(GtkWidget
*widget
, const char *name
,
1139 int *size
, int *flags
,
1140 int resolve_aliases
)
1143 * When given a Pango font name to try to make sense of for a
1144 * font selector, we must normalise it to PANGO_DUMMY_SIZE and
1145 * extract its original size (in pixels) into the `size' field.
1148 #ifndef PANGO_PRE_1POINT6
1151 PangoFontDescription
*desc
;
1153 PangoFontMetrics
*metrics
;
1154 char *newname
, *retname
;
1156 desc
= pango_font_description_from_string(name
);
1159 ctx
= gtk_widget_get_pango_context(widget
);
1161 pango_font_description_free(desc
);
1164 if (!pangofont_check_desc_makes_sense(ctx
, desc
)) {
1165 pango_font_description_free(desc
);
1168 #ifndef PANGO_PRE_1POINT6
1169 map
= pango_context_get_font_map(ctx
);
1171 pango_font_description_free(desc
);
1174 fset
= pango_font_map_load_fontset(map
, ctx
, desc
,
1175 pango_context_get_language(ctx
));
1177 fset
= pango_context_load_fontset(ctx
, desc
,
1178 pango_context_get_language(ctx
));
1181 pango_font_description_free(desc
);
1184 metrics
= pango_fontset_get_metrics(fset
);
1186 pango_font_metrics_get_approximate_digit_width(metrics
) == 0) {
1187 pango_font_description_free(desc
);
1188 g_object_unref(fset
);
1192 *size
= PANGO_PIXELS(pango_font_description_get_size(desc
));
1193 *flags
= FONTFLAG_CLIENTSIDE
;
1194 pango_font_description_set_size(desc
, PANGO_DUMMY_SIZE
* PANGO_SCALE
);
1195 newname
= pango_font_description_to_string(desc
);
1196 retname
= dupstr(newname
);
1199 pango_font_metrics_unref(metrics
);
1200 pango_font_description_free(desc
);
1201 g_object_unref(fset
);
1206 static char *pangofont_scale_fontname(GtkWidget
*widget
, const char *name
,
1209 PangoFontDescription
*desc
;
1210 char *newname
, *retname
;
1212 desc
= pango_font_description_from_string(name
);
1215 pango_font_description_set_size(desc
, size
* PANGO_SCALE
);
1216 newname
= pango_font_description_to_string(desc
);
1217 retname
= dupstr(newname
);
1219 pango_font_description_free(desc
);
1224 #endif /* GTK_CHECK_VERSION(2,0,0) */
1226 /* ----------------------------------------------------------------------
1227 * Outermost functions which do the vtable dispatch.
1231 * Complete list of font-type subclasses. Listed in preference
1232 * order for unifont_create(). (That is, in the extremely unlikely
1233 * event that the same font name is valid as both a Pango and an
1234 * X11 font, it will be interpreted as the former in the absence
1235 * of an explicit type-disambiguating prefix.)
1237 static const struct unifont_vtable
*unifont_types
[] = {
1238 #if GTK_CHECK_VERSION(2,0,0)
1245 * Function which takes a font name and processes the optional
1246 * scheme prefix. Returns the tail of the font name suitable for
1247 * passing to individual font scheme functions, and also provides
1248 * a subrange of the unifont_types[] array above.
1250 * The return values `start' and `end' denote a half-open interval
1251 * in unifont_types[]; that is, the correct way to iterate over
1254 * for (i = start; i < end; i++) {...}
1256 static const char *unifont_do_prefix(const char *name
, int *start
, int *end
)
1258 int colonpos
= strcspn(name
, ":");
1261 if (name
[colonpos
]) {
1263 * There's a colon prefix on the font name. Use it to work
1264 * out which subclass to use.
1266 for (i
= 0; i
< lenof(unifont_types
); i
++) {
1267 if (strlen(unifont_types
[i
]->prefix
) == colonpos
&&
1268 !strncmp(unifont_types
[i
]->prefix
, name
, colonpos
)) {
1271 return name
+ colonpos
+ 1;
1275 * None matched, so return an empty scheme list to prevent
1276 * any scheme from being called at all.
1279 return name
+ colonpos
+ 1;
1282 * No colon prefix, so just use all the subclasses.
1285 *end
= lenof(unifont_types
);
1290 unifont
*unifont_create(GtkWidget
*widget
, const char *name
, int wide
,
1291 int bold
, int shadowoffset
, int shadowalways
)
1295 name
= unifont_do_prefix(name
, &start
, &end
);
1297 for (i
= start
; i
< end
; i
++) {
1298 unifont
*ret
= unifont_types
[i
]->create(widget
, name
, wide
, bold
,
1299 shadowoffset
, shadowalways
);
1303 return NULL
; /* font not found in any scheme */
1306 void unifont_destroy(unifont
*font
)
1308 font
->vt
->destroy(font
);
1311 void unifont_draw_text(GdkDrawable
*target
, GdkGC
*gc
, unifont
*font
,
1312 int x
, int y
, const char *string
, int len
,
1313 int wide
, int bold
, int cellwidth
)
1315 font
->vt
->draw_text(target
, gc
, font
, x
, y
, string
, len
,
1316 wide
, bold
, cellwidth
);
1319 #if GTK_CHECK_VERSION(2,0,0)
1321 /* ----------------------------------------------------------------------
1322 * Implementation of a unified font selector. Used on GTK 2 only;
1323 * for GTK 1 we still use the standard font selector.
1326 typedef struct fontinfo fontinfo
;
1328 typedef struct unifontsel_internal
{
1329 /* This must be the structure's first element, for cross-casting */
1331 GtkListStore
*family_model
, *style_model
, *size_model
;
1332 GtkWidget
*family_list
, *style_list
, *size_entry
, *size_list
;
1333 GtkWidget
*filter_buttons
[4];
1334 GtkWidget
*preview_area
;
1335 GdkPixmap
*preview_pixmap
;
1336 int preview_width
, preview_height
;
1337 GdkColor preview_fg
, preview_bg
;
1339 tree234
*fonts_by_realname
, *fonts_by_selorder
;
1341 int selsize
, intendedsize
;
1342 int inhibit_response
; /* inhibit callbacks when we change GUI controls */
1343 } unifontsel_internal
;
1346 * The structure held in the tree234s. All the string members are
1347 * part of the same allocated area, so don't need freeing
1352 char *family
, *charset
, *style
, *stylekey
;
1355 * Fallback sorting key, to permit multiple identical entries
1356 * to exist in the selorder tree.
1360 * Indices mapping fontinfo structures to indices in the list
1361 * boxes. sizeindex is irrelevant if the font is scalable
1364 int familyindex
, styleindex
, sizeindex
;
1366 * The class of font.
1368 const struct unifont_vtable
*fontclass
;
1371 struct fontinfo_realname_find
{
1372 const char *realname
;
1376 static int strnullcasecmp(const char *a
, const char *b
)
1381 * If exactly one of the inputs is NULL, it compares before
1384 if ((i
= (!b
) - (!a
)) != 0)
1388 * NULL compares equal.
1394 * Otherwise, ordinary strcasecmp.
1396 return g_strcasecmp(a
, b
);
1399 static int fontinfo_realname_compare(void *av
, void *bv
)
1401 fontinfo
*a
= (fontinfo
*)av
;
1402 fontinfo
*b
= (fontinfo
*)bv
;
1405 if ((i
= strnullcasecmp(a
->realname
, b
->realname
)) != 0)
1407 if ((a
->flags
& FONTFLAG_SORT_MASK
) != (b
->flags
& FONTFLAG_SORT_MASK
))
1408 return ((a
->flags
& FONTFLAG_SORT_MASK
) <
1409 (b
->flags
& FONTFLAG_SORT_MASK
) ?
-1 : +1);
1413 static int fontinfo_realname_find(void *av
, void *bv
)
1415 struct fontinfo_realname_find
*a
= (struct fontinfo_realname_find
*)av
;
1416 fontinfo
*b
= (fontinfo
*)bv
;
1419 if ((i
= strnullcasecmp(a
->realname
, b
->realname
)) != 0)
1421 if ((a
->flags
& FONTFLAG_SORT_MASK
) != (b
->flags
& FONTFLAG_SORT_MASK
))
1422 return ((a
->flags
& FONTFLAG_SORT_MASK
) <
1423 (b
->flags
& FONTFLAG_SORT_MASK
) ?
-1 : +1);
1427 static int fontinfo_selorder_compare(void *av
, void *bv
)
1429 fontinfo
*a
= (fontinfo
*)av
;
1430 fontinfo
*b
= (fontinfo
*)bv
;
1432 if ((i
= strnullcasecmp(a
->family
, b
->family
)) != 0)
1435 * Font class comes immediately after family, so that fonts
1436 * from different classes with the same family
1438 if ((a
->flags
& FONTFLAG_SORT_MASK
) != (b
->flags
& FONTFLAG_SORT_MASK
))
1439 return ((a
->flags
& FONTFLAG_SORT_MASK
) <
1440 (b
->flags
& FONTFLAG_SORT_MASK
) ?
-1 : +1);
1441 if ((i
= strnullcasecmp(a
->charset
, b
->charset
)) != 0)
1443 if ((i
= strnullcasecmp(a
->stylekey
, b
->stylekey
)) != 0)
1445 if ((i
= strnullcasecmp(a
->style
, b
->style
)) != 0)
1447 if (a
->size
!= b
->size
)
1448 return (a
->size
< b
->size ?
-1 : +1);
1449 if (a
->index
!= b
->index
)
1450 return (a
->index
< b
->index ?
-1 : +1);
1454 static void unifontsel_deselect(unifontsel_internal
*fs
)
1456 fs
->selected
= NULL
;
1457 gtk_list_store_clear(fs
->style_model
);
1458 gtk_list_store_clear(fs
->size_model
);
1459 gtk_widget_set_sensitive(fs
->u
.ok_button
, FALSE
);
1460 gtk_widget_set_sensitive(fs
->size_entry
, FALSE
);
1463 static void unifontsel_setup_familylist(unifontsel_internal
*fs
)
1466 int i
, listindex
, minpos
= -1, maxpos
= -1;
1467 char *currfamily
= NULL
;
1471 gtk_list_store_clear(fs
->family_model
);
1475 * Search through the font tree for anything matching our
1476 * current filter criteria. When we find one, add its font
1477 * name to the list box.
1479 for (i
= 0 ;; i
++) {
1480 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, i
);
1482 * info may be NULL if we've just run off the end of the
1483 * tree. We must still do a processing pass in that
1484 * situation, in case we had an unfinished font record in
1487 if (info
&& (info
->flags
&~ fs
->filter_flags
)) {
1488 info
->familyindex
= -1;
1489 continue; /* we're filtering out this font */
1491 if (!info
|| strnullcasecmp(currfamily
, info
->family
) ||
1492 currflags
!= (info
->flags
& FONTFLAG_SORT_MASK
)) {
1494 * We've either finished a family, or started a new
1498 gtk_list_store_append(fs
->family_model
, &iter
);
1499 gtk_list_store_set(fs
->family_model
, &iter
,
1500 0, currfamily
, 1, minpos
, 2, maxpos
+1, -1);
1505 currfamily
= info
->family
;
1506 currflags
= info
->flags
& FONTFLAG_SORT_MASK
;
1510 break; /* now we're done */
1511 info
->familyindex
= listindex
;
1516 * If we've just filtered out the previously selected font,
1517 * deselect it thoroughly.
1519 if (fs
->selected
&& fs
->selected
->familyindex
< 0)
1520 unifontsel_deselect(fs
);
1523 static void unifontsel_setup_stylelist(unifontsel_internal
*fs
,
1527 int i
, listindex
, minpos
= -1, maxpos
= -1, started
= FALSE
;
1528 char *currcs
= NULL
, *currstyle
= NULL
;
1531 gtk_list_store_clear(fs
->style_model
);
1536 * Search through the font tree for anything matching our
1537 * current filter criteria. When we find one, add its charset
1538 * and/or style name to the list box.
1540 for (i
= start
; i
<= end
; i
++) {
1544 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, i
);
1546 * info may be NULL if we've just run off the end of the
1547 * relevant data. We must still do a processing pass in
1548 * that situation, in case we had an unfinished font
1549 * record in progress.
1551 if (info
&& (info
->flags
&~ fs
->filter_flags
)) {
1552 info
->styleindex
= -1;
1553 continue; /* we're filtering out this font */
1555 if (!info
|| !started
|| strnullcasecmp(currcs
, info
->charset
) ||
1556 strnullcasecmp(currstyle
, info
->style
)) {
1558 * We've either finished a style/charset, or started a
1563 gtk_list_store_append(fs
->style_model
, &iter
);
1564 gtk_list_store_set(fs
->style_model
, &iter
,
1565 0, currstyle
, 1, minpos
, 2, maxpos
+1,
1571 if (info
->charset
&& strnullcasecmp(currcs
, info
->charset
)) {
1572 gtk_list_store_append(fs
->style_model
, &iter
);
1573 gtk_list_store_set(fs
->style_model
, &iter
,
1574 0, info
->charset
, 1, -1, 2, -1,
1578 currcs
= info
->charset
;
1579 currstyle
= info
->style
;
1583 break; /* now we're done */
1584 info
->styleindex
= listindex
;
1589 static const int unifontsel_default_sizes
[] = { 10, 12, 14, 16, 20, 24, 32 };
1591 static void unifontsel_setup_sizelist(unifontsel_internal
*fs
,
1599 gtk_list_store_clear(fs
->size_model
);
1603 * Search through the font tree for anything matching our
1604 * current filter criteria. When we find one, add its font
1605 * name to the list box.
1607 for (i
= start
; i
< end
; i
++) {
1608 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, i
);
1609 if (info
->flags
&~ fs
->filter_flags
) {
1610 info
->sizeindex
= -1;
1611 continue; /* we're filtering out this font */
1614 sprintf(sizetext
, "%d", info
->size
);
1615 info
->sizeindex
= listindex
;
1616 gtk_list_store_append(fs
->size_model
, &iter
);
1617 gtk_list_store_set(fs
->size_model
, &iter
,
1618 0, sizetext
, 1, i
, 2, info
->size
, -1);
1626 for (j
= 0; j
< lenof(unifontsel_default_sizes
); j
++) {
1627 sprintf(sizetext
, "%d", unifontsel_default_sizes
[j
]);
1628 gtk_list_store_append(fs
->size_model
, &iter
);
1629 gtk_list_store_set(fs
->size_model
, &iter
, 0, sizetext
, 1, i
,
1630 2, unifontsel_default_sizes
[j
], -1);
1637 static void unifontsel_set_filter_buttons(unifontsel_internal
*fs
)
1641 for (i
= 0; i
< lenof(fs
->filter_buttons
); i
++) {
1642 int flagbit
= GPOINTER_TO_INT(gtk_object_get_data
1643 (GTK_OBJECT(fs
->filter_buttons
[i
]),
1645 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fs
->filter_buttons
[i
]),
1646 !!(fs
->filter_flags
& flagbit
));
1650 static void unifontsel_draw_preview_text(unifontsel_internal
*fs
)
1653 char *sizename
= NULL
;
1654 fontinfo
*info
= fs
->selected
;
1657 sizename
= info
->fontclass
->scale_fontname
1658 (GTK_WIDGET(fs
->u
.window
), info
->realname
, fs
->selsize
);
1659 font
= info
->fontclass
->create(GTK_WIDGET(fs
->u
.window
),
1660 sizename ? sizename
: info
->realname
,
1661 FALSE
, FALSE
, 0, 0);
1665 if (fs
->preview_pixmap
) {
1666 GdkGC
*gc
= gdk_gc_new(fs
->preview_pixmap
);
1667 gdk_gc_set_foreground(gc
, &fs
->preview_bg
);
1668 gdk_draw_rectangle(fs
->preview_pixmap
, gc
, 1, 0, 0,
1669 fs
->preview_width
, fs
->preview_height
);
1670 gdk_gc_set_foreground(gc
, &fs
->preview_fg
);
1673 * The pangram used here is rather carefully
1674 * constructed: it contains a sequence of very narrow
1675 * letters (`jil') and a pair of adjacent very wide
1678 * If the user selects a proportional font, it will be
1679 * coerced into fixed-width character cells when used
1680 * in the actual terminal window. We therefore display
1681 * it the same way in the preview pane, so as to show
1682 * it the way it will actually be displayed - and we
1683 * deliberately pick a pangram which will show the
1684 * resulting miskerning at its worst.
1686 * We aren't trying to sell people these fonts; we're
1687 * trying to let them make an informed choice. Better
1688 * that they find out the problems with using
1689 * proportional fonts in terminal windows here than
1690 * that they go to the effort of selecting their font
1691 * and _then_ realise it was a mistake.
1693 info
->fontclass
->draw_text(fs
->preview_pixmap
, gc
, font
,
1695 "bankrupt jilted showmen quiz convex fogey",
1696 41, FALSE
, FALSE
, font
->width
);
1697 info
->fontclass
->draw_text(fs
->preview_pixmap
, gc
, font
,
1698 0, font
->ascent
+ font
->height
,
1699 "BANKRUPT JILTED SHOWMEN QUIZ CONVEX FOGEY",
1700 41, FALSE
, FALSE
, font
->width
);
1702 * The ordering of punctuation here is also selected
1703 * with some specific aims in mind. I put ` and '
1704 * together because some software (and people) still
1705 * use them as matched quotes no matter what Unicode
1706 * might say on the matter, so people can quickly
1707 * check whether they look silly in a candidate font.
1708 * The sequence #_@ is there to let people judge the
1709 * suitability of the underscore as an effectively
1710 * alphabetic character (since that's how it's often
1711 * used in practice, at least by programmers).
1713 info
->fontclass
->draw_text(fs
->preview_pixmap
, gc
, font
,
1714 0, font
->ascent
+ font
->height
* 2,
1715 "0123456789!?,.:;<>()[]{}\\/`'\"+*-=~#_@|%&^$",
1716 42, FALSE
, FALSE
, font
->width
);
1719 gdk_window_invalidate_rect(fs
->preview_area
->window
, NULL
, FALSE
);
1722 info
->fontclass
->destroy(font
);
1727 static void unifontsel_select_font(unifontsel_internal
*fs
,
1728 fontinfo
*info
, int size
, int leftlist
,
1729 int size_is_explicit
)
1733 GtkTreePath
*treepath
;
1736 fs
->inhibit_response
= TRUE
;
1738 fs
->selected
= info
;
1740 if (size_is_explicit
)
1741 fs
->intendedsize
= size
;
1743 gtk_widget_set_sensitive(fs
->u
.ok_button
, TRUE
);
1746 * Find the index of this fontinfo in the selorder list.
1749 findpos234(fs
->fonts_by_selorder
, info
, NULL
, &index
);
1753 * Adjust the font selector flags and redo the font family
1754 * list box, if necessary.
1756 if (leftlist
<= 0 &&
1757 (fs
->filter_flags
| info
->flags
) != fs
->filter_flags
) {
1758 fs
->filter_flags
|= info
->flags
;
1759 unifontsel_set_filter_buttons(fs
);
1760 unifontsel_setup_familylist(fs
);
1764 * Find the appropriate family name and select it in the list.
1766 assert(info
->familyindex
>= 0);
1767 treepath
= gtk_tree_path_new_from_indices(info
->familyindex
, -1);
1768 gtk_tree_selection_select_path
1769 (gtk_tree_view_get_selection(GTK_TREE_VIEW(fs
->family_list
)),
1771 gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(fs
->family_list
),
1772 treepath
, NULL
, FALSE
, 0.0, 0.0);
1773 gtk_tree_model_get_iter(GTK_TREE_MODEL(fs
->family_model
), &iter
, treepath
);
1774 gtk_tree_path_free(treepath
);
1777 * Now set up the font style list.
1779 gtk_tree_model_get(GTK_TREE_MODEL(fs
->family_model
), &iter
,
1780 1, &minval
, 2, &maxval
, -1);
1782 unifontsel_setup_stylelist(fs
, minval
, maxval
);
1785 * Find the appropriate style name and select it in the list.
1788 assert(info
->styleindex
>= 0);
1789 treepath
= gtk_tree_path_new_from_indices(info
->styleindex
, -1);
1790 gtk_tree_selection_select_path
1791 (gtk_tree_view_get_selection(GTK_TREE_VIEW(fs
->style_list
)),
1793 gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(fs
->style_list
),
1794 treepath
, NULL
, FALSE
, 0.0, 0.0);
1795 gtk_tree_model_get_iter(GTK_TREE_MODEL(fs
->style_model
),
1797 gtk_tree_path_free(treepath
);
1800 * And set up the size list.
1802 gtk_tree_model_get(GTK_TREE_MODEL(fs
->style_model
), &iter
,
1803 1, &minval
, 2, &maxval
, -1);
1805 unifontsel_setup_sizelist(fs
, minval
, maxval
);
1808 * Find the appropriate size, and select it in the list.
1811 assert(info
->sizeindex
>= 0);
1812 treepath
= gtk_tree_path_new_from_indices(info
->sizeindex
, -1);
1813 gtk_tree_selection_select_path
1814 (gtk_tree_view_get_selection(GTK_TREE_VIEW(fs
->size_list
)),
1816 gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(fs
->size_list
),
1817 treepath
, NULL
, FALSE
, 0.0, 0.0);
1818 gtk_tree_path_free(treepath
);
1822 for (j
= 0; j
< lenof(unifontsel_default_sizes
); j
++)
1823 if (unifontsel_default_sizes
[j
] == size
) {
1824 treepath
= gtk_tree_path_new_from_indices(j
, -1);
1825 gtk_tree_view_set_cursor(GTK_TREE_VIEW(fs
->size_list
),
1826 treepath
, NULL
, FALSE
);
1827 gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(fs
->size_list
),
1828 treepath
, NULL
, FALSE
, 0.0,
1830 gtk_tree_path_free(treepath
);
1835 * And set up the font size text entry box.
1839 sprintf(sizetext
, "%d", size
);
1840 gtk_entry_set_text(GTK_ENTRY(fs
->size_entry
), sizetext
);
1844 unifontsel_setup_sizelist(fs
, 0, 0);
1845 gtk_entry_set_text(GTK_ENTRY(fs
->size_entry
), "");
1849 * Grey out the font size edit box if we're not using a
1852 gtk_entry_set_editable(GTK_ENTRY(fs
->size_entry
), fs
->selected
->size
== 0);
1853 gtk_widget_set_sensitive(fs
->size_entry
, fs
->selected
->size
== 0);
1855 unifontsel_draw_preview_text(fs
);
1857 fs
->inhibit_response
= FALSE
;
1860 static void unifontsel_button_toggled(GtkToggleButton
*tb
, gpointer data
)
1862 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
1863 int newstate
= gtk_toggle_button_get_active(tb
);
1865 int flagbit
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(tb
),
1869 newflags
= fs
->filter_flags
| flagbit
;
1871 newflags
= fs
->filter_flags
& ~flagbit
;
1873 if (fs
->filter_flags
!= newflags
) {
1874 fs
->filter_flags
= newflags
;
1875 unifontsel_setup_familylist(fs
);
1879 static void unifontsel_add_entry(void *ctx
, const char *realfontname
,
1880 const char *family
, const char *charset
,
1881 const char *style
, const char *stylekey
,
1882 int size
, int flags
,
1883 const struct unifont_vtable
*fontclass
)
1885 unifontsel_internal
*fs
= (unifontsel_internal
*)ctx
;
1890 totalsize
= sizeof(fontinfo
) + strlen(realfontname
) +
1891 (family ?
strlen(family
) : 0) + (charset ?
strlen(charset
) : 0) +
1892 (style ?
strlen(style
) : 0) + (stylekey ?
strlen(stylekey
) : 0) + 10;
1893 info
= (fontinfo
*)smalloc(totalsize
);
1894 info
->fontclass
= fontclass
;
1895 p
= (char *)info
+ sizeof(fontinfo
);
1897 strcpy(p
, realfontname
);
1904 info
->family
= NULL
;
1910 info
->charset
= NULL
;
1919 strcpy(p
, stylekey
);
1922 info
->stylekey
= NULL
;
1923 assert(p
- (char *)info
<= totalsize
);
1925 info
->flags
= flags
;
1926 info
->index
= count234(fs
->fonts_by_selorder
);
1929 * It's just conceivable that a misbehaving font enumerator
1930 * might tell us about the same font real name more than once,
1931 * in which case we should silently drop the new one.
1933 if (add234(fs
->fonts_by_realname
, info
) != info
) {
1938 * However, we should never get a duplicate key in the
1939 * selorder tree, because the index field carefully
1940 * disambiguates otherwise identical records.
1942 add234(fs
->fonts_by_selorder
, info
);
1945 static fontinfo
*update_for_intended_size(unifontsel_internal
*fs
,
1948 fontinfo info2
, *below
, *above
;
1952 * Copy the info structure. This doesn't copy its dynamic
1953 * string fields, but that's unimportant because all we're
1954 * going to do is to adjust the size field and use it in one
1958 info2
.size
= fs
->intendedsize
;
1961 * Search in the tree to find the fontinfo structure which
1962 * best approximates the size the user last requested.
1964 below
= findrelpos234(fs
->fonts_by_selorder
, &info2
, NULL
,
1966 above
= index234(fs
->fonts_by_selorder
, pos
+1);
1969 * See if we've found it exactly, which is an easy special
1970 * case. If we have, it'll be in `below' and not `above',
1971 * because we did a REL234_LE rather than REL234_LT search.
1973 if (!fontinfo_selorder_compare(&info2
, below
))
1977 * Now we've either found two suitable fonts, one smaller and
1978 * one larger, or we're at one or other extreme end of the
1979 * scale. Find out which, by NULLing out either of below and
1980 * above if it differs from this one in any respect but size
1981 * (and the disambiguating index field). Bear in mind, also,
1982 * that either one might _already_ be NULL if we're at the
1983 * extreme ends of the font list.
1986 info2
.size
= below
->size
;
1987 info2
.index
= below
->index
;
1988 if (fontinfo_selorder_compare(&info2
, below
))
1992 info2
.size
= above
->size
;
1993 info2
.index
= above
->index
;
1994 if (fontinfo_selorder_compare(&info2
, above
))
1999 * Now return whichever of above and below is non-NULL, if
2000 * that's unambiguous.
2008 * And now we really do have to make a choice about whether to
2009 * round up or down. We'll do it by rounding to nearest,
2010 * breaking ties by rounding up.
2012 if (above
->size
- fs
->intendedsize
<= fs
->intendedsize
- below
->size
)
2018 static void family_changed(GtkTreeSelection
*treeselection
, gpointer data
)
2020 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2021 GtkTreeModel
*treemodel
;
2022 GtkTreeIter treeiter
;
2026 if (fs
->inhibit_response
) /* we made this change ourselves */
2029 if (!gtk_tree_selection_get_selected(treeselection
, &treemodel
, &treeiter
))
2032 gtk_tree_model_get(treemodel
, &treeiter
, 1, &minval
, -1);
2033 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, minval
);
2034 info
= update_for_intended_size(fs
, info
);
2036 return; /* _shouldn't_ happen unless font list is completely funted */
2038 fs
->selsize
= fs
->intendedsize
; /* font is scalable */
2039 unifontsel_select_font(fs
, info
, info
->size ? info
->size
: fs
->selsize
,
2043 static void style_changed(GtkTreeSelection
*treeselection
, gpointer data
)
2045 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2046 GtkTreeModel
*treemodel
;
2047 GtkTreeIter treeiter
;
2051 if (fs
->inhibit_response
) /* we made this change ourselves */
2054 if (!gtk_tree_selection_get_selected(treeselection
, &treemodel
, &treeiter
))
2057 gtk_tree_model_get(treemodel
, &treeiter
, 1, &minval
, -1);
2059 return; /* somehow a charset heading got clicked */
2060 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, minval
);
2061 info
= update_for_intended_size(fs
, info
);
2063 return; /* _shouldn't_ happen unless font list is completely funted */
2065 fs
->selsize
= fs
->intendedsize
; /* font is scalable */
2066 unifontsel_select_font(fs
, info
, info
->size ? info
->size
: fs
->selsize
,
2070 static void size_changed(GtkTreeSelection
*treeselection
, gpointer data
)
2072 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2073 GtkTreeModel
*treemodel
;
2074 GtkTreeIter treeiter
;
2078 if (fs
->inhibit_response
) /* we made this change ourselves */
2081 if (!gtk_tree_selection_get_selected(treeselection
, &treemodel
, &treeiter
))
2084 gtk_tree_model_get(treemodel
, &treeiter
, 1, &minval
, 2, &size
, -1);
2085 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, minval
);
2086 unifontsel_select_font(fs
, info
, info
->size ? info
->size
: size
, 3, TRUE
);
2089 static void size_entry_changed(GtkEditable
*ed
, gpointer data
)
2091 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2095 if (fs
->inhibit_response
) /* we made this change ourselves */
2098 text
= gtk_entry_get_text(GTK_ENTRY(ed
));
2102 assert(fs
->selected
->size
== 0);
2103 unifontsel_select_font(fs
, fs
->selected
, size
, 3, TRUE
);
2107 static void alias_resolve(GtkTreeView
*treeview
, GtkTreePath
*path
,
2108 GtkTreeViewColumn
*column
, gpointer data
)
2110 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2112 int minval
, newsize
;
2113 fontinfo
*info
, *newinfo
;
2116 if (fs
->inhibit_response
) /* we made this change ourselves */
2119 gtk_tree_model_get_iter(GTK_TREE_MODEL(fs
->family_model
), &iter
, path
);
2120 gtk_tree_model_get(GTK_TREE_MODEL(fs
->family_model
), &iter
, 1,&minval
, -1);
2121 info
= (fontinfo
*)index234(fs
->fonts_by_selorder
, minval
);
2124 struct fontinfo_realname_find f
;
2126 newname
= info
->fontclass
->canonify_fontname
2127 (GTK_WIDGET(fs
->u
.window
), info
->realname
, &newsize
, &flags
, TRUE
);
2129 f
.realname
= newname
;
2131 newinfo
= find234(fs
->fonts_by_realname
, &f
, fontinfo_realname_find
);
2135 return; /* font name not in our index */
2136 if (newinfo
== info
)
2137 return; /* didn't change under canonification => not an alias */
2138 unifontsel_select_font(fs
, newinfo
,
2139 newinfo
->size ? newinfo
->size
: newsize
,
2144 static gint
unifontsel_expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
2147 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2149 if (fs
->preview_pixmap
) {
2150 gdk_draw_pixmap(widget
->window
,
2151 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
2153 event
->area
.x
, event
->area
.y
,
2154 event
->area
.x
, event
->area
.y
,
2155 event
->area
.width
, event
->area
.height
);
2160 static gint
unifontsel_configure_area(GtkWidget
*widget
,
2161 GdkEventConfigure
*event
, gpointer data
)
2163 unifontsel_internal
*fs
= (unifontsel_internal
*)data
;
2164 int ox
, oy
, nx
, ny
, x
, y
;
2167 * Enlarge the pixmap, but never shrink it.
2169 ox
= fs
->preview_width
;
2170 oy
= fs
->preview_height
;
2173 if (x
> ox
|| y
> oy
) {
2174 if (fs
->preview_pixmap
)
2175 gdk_pixmap_unref(fs
->preview_pixmap
);
2177 nx
= (x
> ox ? x
: ox
);
2178 ny
= (y
> oy ? y
: oy
);
2179 fs
->preview_pixmap
= gdk_pixmap_new(widget
->window
, nx
, ny
, -1);
2180 fs
->preview_width
= nx
;
2181 fs
->preview_height
= ny
;
2183 unifontsel_draw_preview_text(fs
);
2186 gdk_window_invalidate_rect(widget
->window
, NULL
, FALSE
);
2191 unifontsel
*unifontsel_new(const char *wintitle
)
2193 unifontsel_internal
*fs
= snew(unifontsel_internal
);
2194 GtkWidget
*table
, *label
, *w
, *ww
, *scroll
;
2195 GtkListStore
*model
;
2196 GtkTreeViewColumn
*column
;
2197 int lists_height
, preview_height
, font_width
, style_width
, size_width
;
2200 fs
->inhibit_response
= FALSE
;
2201 fs
->selected
= NULL
;
2205 * Invent some magic size constants.
2208 label
= gtk_label_new("Quite Long Font Name (Foundry)");
2209 gtk_widget_size_request(label
, &req
);
2210 font_width
= req
.width
;
2211 lists_height
= 14 * req
.height
;
2212 preview_height
= 5 * req
.height
;
2213 gtk_label_set_text(GTK_LABEL(label
), "Italic Extra Condensed");
2214 gtk_widget_size_request(label
, &req
);
2215 style_width
= req
.width
;
2216 gtk_label_set_text(GTK_LABEL(label
), "48000");
2217 gtk_widget_size_request(label
, &req
);
2218 size_width
= req
.width
;
2219 #if GTK_CHECK_VERSION(2,10,0)
2220 g_object_ref_sink(label
);
2221 g_object_unref(label
);
2223 gtk_object_sink(GTK_OBJECT(label
));
2228 * Create the dialog box and initialise the user-visible
2229 * fields in the returned structure.
2231 fs
->u
.user_data
= NULL
;
2232 fs
->u
.window
= GTK_WINDOW(gtk_dialog_new());
2233 gtk_window_set_title(fs
->u
.window
, wintitle
);
2234 fs
->u
.cancel_button
= gtk_dialog_add_button
2235 (GTK_DIALOG(fs
->u
.window
), GTK_STOCK_CANCEL
, GTK_RESPONSE_CANCEL
);
2236 fs
->u
.ok_button
= gtk_dialog_add_button
2237 (GTK_DIALOG(fs
->u
.window
), GTK_STOCK_OK
, GTK_RESPONSE_OK
);
2238 gtk_widget_grab_default(fs
->u
.ok_button
);
2241 * Now set up the internal fields, including in particular all
2242 * the controls that actually allow the user to select fonts.
2244 table
= gtk_table_new(8, 3, FALSE
);
2245 gtk_widget_show(table
);
2246 gtk_table_set_col_spacings(GTK_TABLE(table
), 8);
2247 #if GTK_CHECK_VERSION(2,4,0)
2248 /* GtkAlignment seems to be the simplest way to put padding round things */
2249 w
= gtk_alignment_new(0, 0, 1, 1);
2250 gtk_alignment_set_padding(GTK_ALIGNMENT(w
), 8, 8, 8, 8);
2251 gtk_container_add(GTK_CONTAINER(w
), table
);
2256 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fs
->u
.window
)->vbox
),
2259 label
= gtk_label_new_with_mnemonic("_Font:");
2260 gtk_widget_show(label
);
2261 gtk_misc_set_alignment(GTK_MISC(label
), 0.0, 0.0);
2262 gtk_table_attach(GTK_TABLE(table
), label
, 0, 1, 0, 1, GTK_FILL
, 0, 0, 0);
2265 * The Font list box displays only a string, but additionally
2266 * stores two integers which give the limits within the
2267 * tree234 of the font entries covered by this list entry.
2269 model
= gtk_list_store_new(3, G_TYPE_STRING
, G_TYPE_INT
, G_TYPE_INT
);
2270 w
= gtk_tree_view_new_with_model(GTK_TREE_MODEL(model
));
2271 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w
), FALSE
);
2272 gtk_label_set_mnemonic_widget(GTK_LABEL(label
), w
);
2274 column
= gtk_tree_view_column_new_with_attributes
2275 ("Font", gtk_cell_renderer_text_new(),
2276 "text", 0, (char *)NULL
);
2277 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_AUTOSIZE
);
2278 gtk_tree_view_append_column(GTK_TREE_VIEW(w
), column
);
2279 g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(w
))),
2280 "changed", G_CALLBACK(family_changed
), fs
);
2281 g_signal_connect(G_OBJECT(w
), "row-activated",
2282 G_CALLBACK(alias_resolve
), fs
);
2284 scroll
= gtk_scrolled_window_new(NULL
, NULL
);
2285 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll
),
2287 gtk_container_add(GTK_CONTAINER(scroll
), w
);
2288 gtk_widget_show(scroll
);
2289 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll
),
2290 GTK_POLICY_AUTOMATIC
, GTK_POLICY_ALWAYS
);
2291 gtk_widget_set_size_request(scroll
, font_width
, lists_height
);
2292 gtk_table_attach(GTK_TABLE(table
), scroll
, 0, 1, 1, 3, GTK_FILL
,
2293 GTK_EXPAND
| GTK_FILL
, 0, 0);
2294 fs
->family_model
= model
;
2295 fs
->family_list
= w
;
2297 label
= gtk_label_new_with_mnemonic("_Style:");
2298 gtk_widget_show(label
);
2299 gtk_misc_set_alignment(GTK_MISC(label
), 0.0, 0.0);
2300 gtk_table_attach(GTK_TABLE(table
), label
, 1, 2, 0, 1, GTK_FILL
, 0, 0, 0);
2303 * The Style list box can contain insensitive elements
2304 * (character set headings for server-side fonts), so we add
2305 * an extra column to the list store to hold that information.
2307 model
= gtk_list_store_new(4, G_TYPE_STRING
, G_TYPE_INT
, G_TYPE_INT
,
2309 w
= gtk_tree_view_new_with_model(GTK_TREE_MODEL(model
));
2310 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w
), FALSE
);
2311 gtk_label_set_mnemonic_widget(GTK_LABEL(label
), w
);
2313 column
= gtk_tree_view_column_new_with_attributes
2314 ("Style", gtk_cell_renderer_text_new(),
2315 "text", 0, "sensitive", 3, (char *)NULL
);
2316 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_AUTOSIZE
);
2317 gtk_tree_view_append_column(GTK_TREE_VIEW(w
), column
);
2318 g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(w
))),
2319 "changed", G_CALLBACK(style_changed
), fs
);
2321 scroll
= gtk_scrolled_window_new(NULL
, NULL
);
2322 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll
),
2324 gtk_container_add(GTK_CONTAINER(scroll
), w
);
2325 gtk_widget_show(scroll
);
2326 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll
),
2327 GTK_POLICY_AUTOMATIC
, GTK_POLICY_ALWAYS
);
2328 gtk_widget_set_size_request(scroll
, style_width
, lists_height
);
2329 gtk_table_attach(GTK_TABLE(table
), scroll
, 1, 2, 1, 3, GTK_FILL
,
2330 GTK_EXPAND
| GTK_FILL
, 0, 0);
2331 fs
->style_model
= model
;
2334 label
= gtk_label_new_with_mnemonic("Si_ze:");
2335 gtk_widget_show(label
);
2336 gtk_misc_set_alignment(GTK_MISC(label
), 0.0, 0.0);
2337 gtk_table_attach(GTK_TABLE(table
), label
, 2, 3, 0, 1, GTK_FILL
, 0, 0, 0);
2340 * The Size label attaches primarily to a text input box so
2341 * that the user can select a size of their choice. The list
2342 * of available sizes is secondary.
2344 fs
->size_entry
= w
= gtk_entry_new();
2345 gtk_label_set_mnemonic_widget(GTK_LABEL(label
), w
);
2346 gtk_widget_set_size_request(w
, size_width
, -1);
2348 gtk_table_attach(GTK_TABLE(table
), w
, 2, 3, 1, 2, GTK_FILL
, 0, 0, 0);
2349 g_signal_connect(G_OBJECT(w
), "changed", G_CALLBACK(size_entry_changed
),
2352 model
= gtk_list_store_new(3, G_TYPE_STRING
, G_TYPE_INT
, G_TYPE_INT
);
2353 w
= gtk_tree_view_new_with_model(GTK_TREE_MODEL(model
));
2354 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w
), FALSE
);
2356 column
= gtk_tree_view_column_new_with_attributes
2357 ("Size", gtk_cell_renderer_text_new(),
2358 "text", 0, (char *)NULL
);
2359 gtk_tree_view_column_set_sizing(column
, GTK_TREE_VIEW_COLUMN_AUTOSIZE
);
2360 gtk_tree_view_append_column(GTK_TREE_VIEW(w
), column
);
2361 g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(w
))),
2362 "changed", G_CALLBACK(size_changed
), fs
);
2364 scroll
= gtk_scrolled_window_new(NULL
, NULL
);
2365 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll
),
2367 gtk_container_add(GTK_CONTAINER(scroll
), w
);
2368 gtk_widget_show(scroll
);
2369 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll
),
2370 GTK_POLICY_AUTOMATIC
, GTK_POLICY_ALWAYS
);
2371 gtk_table_attach(GTK_TABLE(table
), scroll
, 2, 3, 2, 3, GTK_FILL
,
2372 GTK_EXPAND
| GTK_FILL
, 0, 0);
2373 fs
->size_model
= model
;
2379 fs
->preview_area
= gtk_drawing_area_new();
2380 fs
->preview_pixmap
= NULL
;
2381 fs
->preview_width
= 0;
2382 fs
->preview_height
= 0;
2383 fs
->preview_fg
.pixel
= fs
->preview_bg
.pixel
= 0;
2384 fs
->preview_fg
.red
= fs
->preview_fg
.green
= fs
->preview_fg
.blue
= 0x0000;
2385 fs
->preview_bg
.red
= fs
->preview_bg
.green
= fs
->preview_bg
.blue
= 0xFFFF;
2386 gdk_colormap_alloc_color(gdk_colormap_get_system(), &fs
->preview_fg
,
2388 gdk_colormap_alloc_color(gdk_colormap_get_system(), &fs
->preview_bg
,
2390 gtk_signal_connect(GTK_OBJECT(fs
->preview_area
), "expose_event",
2391 GTK_SIGNAL_FUNC(unifontsel_expose_area
), fs
);
2392 gtk_signal_connect(GTK_OBJECT(fs
->preview_area
), "configure_event",
2393 GTK_SIGNAL_FUNC(unifontsel_configure_area
), fs
);
2394 gtk_widget_set_size_request(fs
->preview_area
, 1, preview_height
);
2395 gtk_widget_show(fs
->preview_area
);
2396 ww
= fs
->preview_area
;
2397 w
= gtk_frame_new(NULL
);
2398 gtk_container_add(GTK_CONTAINER(w
), ww
);
2400 #if GTK_CHECK_VERSION(2,4,0)
2402 /* GtkAlignment seems to be the simplest way to put padding round things */
2403 w
= gtk_alignment_new(0, 0, 1, 1);
2404 gtk_alignment_set_padding(GTK_ALIGNMENT(w
), 8, 8, 8, 8);
2405 gtk_container_add(GTK_CONTAINER(w
), ww
);
2409 w
= gtk_frame_new("Preview of font");
2410 gtk_container_add(GTK_CONTAINER(w
), ww
);
2412 gtk_table_attach(GTK_TABLE(table
), w
, 0, 3, 3, 4,
2413 GTK_EXPAND
| GTK_FILL
, GTK_EXPAND
| GTK_FILL
, 0, 8);
2416 w
= gtk_check_button_new_with_label("Show client-side fonts");
2417 gtk_object_set_data(GTK_OBJECT(w
), "user-data",
2418 GINT_TO_POINTER(FONTFLAG_CLIENTSIDE
));
2419 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
2420 GTK_SIGNAL_FUNC(unifontsel_button_toggled
), fs
);
2422 fs
->filter_buttons
[i
++] = w
;
2423 gtk_table_attach(GTK_TABLE(table
), w
, 0, 3, 4, 5, GTK_FILL
, 0, 0, 0);
2424 w
= gtk_check_button_new_with_label("Show server-side fonts");
2425 gtk_object_set_data(GTK_OBJECT(w
), "user-data",
2426 GINT_TO_POINTER(FONTFLAG_SERVERSIDE
));
2427 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
2428 GTK_SIGNAL_FUNC(unifontsel_button_toggled
), fs
);
2430 fs
->filter_buttons
[i
++] = w
;
2431 gtk_table_attach(GTK_TABLE(table
), w
, 0, 3, 5, 6, GTK_FILL
, 0, 0, 0);
2432 w
= gtk_check_button_new_with_label("Show server-side font aliases");
2433 gtk_object_set_data(GTK_OBJECT(w
), "user-data",
2434 GINT_TO_POINTER(FONTFLAG_SERVERALIAS
));
2435 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
2436 GTK_SIGNAL_FUNC(unifontsel_button_toggled
), fs
);
2438 fs
->filter_buttons
[i
++] = w
;
2439 gtk_table_attach(GTK_TABLE(table
), w
, 0, 3, 6, 7, GTK_FILL
, 0, 0, 0);
2440 w
= gtk_check_button_new_with_label("Show non-monospaced fonts");
2441 gtk_object_set_data(GTK_OBJECT(w
), "user-data",
2442 GINT_TO_POINTER(FONTFLAG_NONMONOSPACED
));
2443 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
2444 GTK_SIGNAL_FUNC(unifontsel_button_toggled
), fs
);
2446 fs
->filter_buttons
[i
++] = w
;
2447 gtk_table_attach(GTK_TABLE(table
), w
, 0, 3, 7, 8, GTK_FILL
, 0, 0, 0);
2449 assert(i
== lenof(fs
->filter_buttons
));
2450 fs
->filter_flags
= FONTFLAG_CLIENTSIDE
| FONTFLAG_SERVERSIDE
|
2451 FONTFLAG_SERVERALIAS
;
2452 unifontsel_set_filter_buttons(fs
);
2455 * Go and find all the font names, and set up our master font
2458 fs
->fonts_by_realname
= newtree234(fontinfo_realname_compare
);
2459 fs
->fonts_by_selorder
= newtree234(fontinfo_selorder_compare
);
2460 for (i
= 0; i
< lenof(unifont_types
); i
++)
2461 unifont_types
[i
]->enum_fonts(GTK_WIDGET(fs
->u
.window
),
2462 unifontsel_add_entry
, fs
);
2465 * And set up the initial font names list.
2467 unifontsel_setup_familylist(fs
);
2469 fs
->selsize
= fs
->intendedsize
= 13; /* random default */
2470 gtk_widget_set_sensitive(fs
->u
.ok_button
, FALSE
);
2472 return (unifontsel
*)fs
;
2475 void unifontsel_destroy(unifontsel
*fontsel
)
2477 unifontsel_internal
*fs
= (unifontsel_internal
*)fontsel
;
2480 if (fs
->preview_pixmap
)
2481 gdk_pixmap_unref(fs
->preview_pixmap
);
2483 freetree234(fs
->fonts_by_selorder
);
2484 while ((info
= delpos234(fs
->fonts_by_realname
, 0)) != NULL
)
2486 freetree234(fs
->fonts_by_realname
);
2488 gtk_widget_destroy(GTK_WIDGET(fs
->u
.window
));
2492 void unifontsel_set_name(unifontsel
*fontsel
, const char *fontname
)
2494 unifontsel_internal
*fs
= (unifontsel_internal
*)fontsel
;
2495 int i
, start
, end
, size
, flags
;
2496 const char *fontname2
= NULL
;
2500 * Provide a default if given an empty or null font name.
2502 if (!fontname
|| !*fontname
)
2503 fontname
= "server:fixed";
2506 * Call the canonify_fontname function.
2508 fontname
= unifont_do_prefix(fontname
, &start
, &end
);
2509 for (i
= start
; i
< end
; i
++) {
2510 fontname2
= unifont_types
[i
]->canonify_fontname
2511 (GTK_WIDGET(fs
->u
.window
), fontname
, &size
, &flags
, FALSE
);
2516 return; /* font name not recognised */
2519 * Now look up the canonified font name in our index.
2522 struct fontinfo_realname_find f
;
2523 f
.realname
= fontname2
;
2525 info
= find234(fs
->fonts_by_realname
, &f
, fontinfo_realname_find
);
2529 * If we've found the font, and its size field is either
2530 * correct or zero (the latter indicating a scalable font),
2531 * then we're done. Otherwise, try looking up the original
2532 * font name instead.
2534 if (!info
|| (info
->size
!= size
&& info
->size
!= 0)) {
2535 struct fontinfo_realname_find f
;
2536 f
.realname
= fontname
;
2539 info
= find234(fs
->fonts_by_realname
, &f
, fontinfo_realname_find
);
2540 if (!info
|| info
->size
!= size
)
2541 return; /* font name not in our index */
2545 * Now we've got a fontinfo structure and a font size, so we
2546 * know everything we need to fill in all the fields in the
2549 unifontsel_select_font(fs
, info
, size
, 0, TRUE
);
2552 char *unifontsel_get_name(unifontsel
*fontsel
)
2554 unifontsel_internal
*fs
= (unifontsel_internal
*)fontsel
;
2560 if (fs
->selected
->size
== 0) {
2561 name
= fs
->selected
->fontclass
->scale_fontname
2562 (GTK_WIDGET(fs
->u
.window
), fs
->selected
->realname
, fs
->selsize
);
2564 char *ret
= dupcat(fs
->selected
->fontclass
->prefix
, ":",
2571 return dupcat(fs
->selected
->fontclass
->prefix
, ":",
2572 fs
->selected
->realname
, NULL
);
2575 #endif /* GTK_CHECK_VERSION(2,0,0) */