#include <assert.h>
#include <stdlib.h>
#include <string.h>
+
#include <gtk/gtk.h>
#if !GTK_CHECK_VERSION(3,0,0)
#include <gdk/gdkkeysyms.h>
#endif
+
+#define MAY_REFER_TO_GTK_IN_HEADERS
+
+#include "putty.h"
+#include "gtkfont.h"
+#include "gtkcompat.h"
+#include "gtkmisc.h"
+#include "tree234.h"
+
#ifndef NOT_X_WINDOWS
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#endif
-#include "putty.h"
-#include "gtkfont.h"
-#include "gtkcompat.h"
-#include "tree234.h"
-
/*
* Future work:
*
void (*draw_text)(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth);
+ void (*draw_combining)(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth);
void (*enum_fonts)(GtkWidget *widget,
fontsel_add_entry callback, void *callback_ctx);
char *(*canonify_fontname)(GtkWidget *widget, const char *name, int *size,
int *flags, int resolve_aliases);
char *(*scale_fontname)(GtkWidget *widget, const char *name, int size);
+ char *(*size_increment)(unifont *font, int increment);
/*
* `Static data members' of the `class'.
static void x11font_draw_text(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth);
+static void x11font_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth);
static unifont *x11font_create(GtkWidget *widget, const char *name,
int wide, int bold,
int shadowoffset, int shadowalways);
int resolve_aliases);
static char *x11font_scale_fontname(GtkWidget *widget, const char *name,
int size);
+static char *x11font_size_increment(unifont *font, int increment);
#ifdef DRAW_TEXT_CAIRO
struct cairo_cached_glyph {
x11font_destroy,
x11font_has_glyph,
x11font_draw_text,
+ x11font_draw_combining,
x11font_enum_fonts,
x11font_canonify_fontname,
x11font_scale_fontname,
+ x11font_size_increment,
"server",
};
+#define XLFD_STRING_PARTS_LIST(S,I) \
+ S(foundry) \
+ S(family_name) \
+ S(weight_name) \
+ S(slant) \
+ S(setwidth_name) \
+ S(add_style_name) \
+ I(pixel_size) \
+ I(point_size) \
+ I(resolution_x) \
+ I(resolution_y) \
+ S(spacing) \
+ I(average_width) \
+ S(charset_registry) \
+ S(charset_encoding) \
+ /* end of list */
+
+/* Special value for int fields that xlfd_recompose will render as "*" */
+#define XLFD_INT_WILDCARD INT_MIN
+
+struct xlfd_decomposed {
+#define STR_FIELD(f) const char *f;
+#define INT_FIELD(f) int f;
+ XLFD_STRING_PARTS_LIST(STR_FIELD, INT_FIELD)
+#undef STR_FIELD
+#undef INT_FIELD
+};
+
+static struct xlfd_decomposed *xlfd_decompose(const char *xlfd)
+{
+ void *mem;
+ char *p, *components[14];
+ struct xlfd_decomposed *dec;
+ int i;
+
+ if (!xlfd)
+ return NULL;
+
+ mem = smalloc(sizeof(struct xlfd_decomposed) + strlen(xlfd) + 1);
+ p = ((char *)mem) + sizeof(struct xlfd_decomposed);
+ strcpy(p, xlfd);
+ dec = (struct xlfd_decomposed *)mem;
+
+ for (i = 0; i < 14; i++) {
+ if (*p != '-') {
+ /* Malformed XLFD: not enough '-' */
+ sfree(mem);
+ return NULL;
+ }
+ *p++ = '\0';
+ components[i] = p;
+ p += strcspn(p, "-");
+ }
+ if (*p) {
+ /* Malformed XLFD: too many '-' */
+ sfree(mem);
+ return NULL;
+ }
+
+ i = 0;
+#define STORE_STR(f) dec->f = components[i++];
+#define STORE_INT(f) dec->f = atoi(components[i++]);
+ XLFD_STRING_PARTS_LIST(STORE_STR, STORE_INT)
+#undef STORE_STR
+#undef STORE_INT
+
+ return dec;
+}
+
+static char *xlfd_recompose(const struct xlfd_decomposed *dec)
+{
+#define FMT_STR(f) "-%s"
+#define ARG_STR(f) , dec->f
+#define FMT_INT(f) "%s%.*d"
+#define ARG_INT(f) \
+ , dec->f == XLFD_INT_WILDCARD ? "-*" : "-" \
+ , dec->f == XLFD_INT_WILDCARD ? 0 : 1 \
+ , dec->f == XLFD_INT_WILDCARD ? 0 : dec->f
+ return dupprintf(XLFD_STRING_PARTS_LIST(FMT_STR, FMT_INT)
+ XLFD_STRING_PARTS_LIST(ARG_STR, ARG_INT));
+#undef FMT_STR
+#undef ARG_STR
+#undef FMT_INT
+#undef ARG_INT
+}
+
static char *x11_guess_derived_font_name(XFontStruct *xfs, int bold, int wide)
{
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
unsigned long ret;
if (XGetFontProperty(xfs, fontprop, &ret)) {
char *name = XGetAtomName(disp, (Atom)ret);
- if (name && name[0] == '-') {
- const char *strings[13];
- char *dupname, *extrafree = NULL, *ret;
- char *p, *q;
- int nstr;
-
- p = q = dupname = dupstr(name); /* skip initial minus */
- nstr = 0;
-
- while (*p && nstr < lenof(strings)) {
- if (*p == '-') {
- *p = '\0';
- strings[nstr++] = p+1;
- }
- p++;
- }
-
- if (nstr < lenof(strings)) {
- sfree(dupname);
- return NULL; /* XLFD was malformed */
- }
+ struct xlfd_decomposed *xlfd = xlfd_decompose(name);
+ if (!xlfd)
+ return NULL;
- if (bold)
- strings[2] = "bold";
+ if (bold)
+ xlfd->weight_name = "bold";
- if (wide) {
- /* 4 is `wideness', which obviously may have changed. */
- /* 5 is additional style, which may be e.g. `ja' or `ko'. */
- strings[4] = strings[5] = "*";
- strings[11] = extrafree = dupprintf("%d", 2*atoi(strings[11]));
- }
+ if (wide) {
+ /* Width name obviously may have changed. */
+ /* Additional style may now become e.g. `ja' or `ko'. */
+ xlfd->setwidth_name = xlfd->add_style_name = "*";
- ret = dupcat("-", strings[ 0], "-", strings[ 1], "-", strings[ 2],
- "-", strings[ 3], "-", strings[ 4], "-", strings[ 5],
- "-", strings[ 6], "-", strings[ 7], "-", strings[ 8],
- "-", strings[ 9], "-", strings[10], "-", strings[11],
- "-", strings[12], NULL);
- sfree(extrafree);
- sfree(dupname);
+ /* Expect to double the average width. */
+ xlfd->average_width *= 2;
+ }
- return ret;
- }
+ {
+ char *ret = xlfd_recompose(xlfd);
+ sfree(xlfd);
+ return ret;
+ }
}
return NULL;
}
}
}
-static int x11_font_has_glyph(XFontStruct *xfs, int byte1, int byte2)
+static const XCharStruct *x11_char_struct(
+ XFontStruct *xfs, unsigned char byte1, unsigned char byte2)
{
int index;
/*
- * Not to be confused with x11font_has_glyph, which is a method of
- * the x11font 'class' and hence takes a unifont as argument. This
- * is the low-level function which grubs about in an actual
- * XFontStruct to see if a given glyph exists.
- *
- * We must do this ourselves rather than letting Xlib's
- * XTextExtents16 do the job, because XTextExtents will helpfully
- * substitute the font's default_char for any missing glyph and
- * not tell us it did so, which precisely won't help us find out
- * which glyphs _are_ missing.
- *
* The man page for XQueryFont is rather confusing about how the
* per_char array in the XFontStruct is laid out, because it gives
* formulae for determining the two-byte X character code _from_
}
if (!xfs->per_char) /* per_char NULL => everything in range exists */
- return TRUE;
+ return &xfs->max_bounds;
+
+ return &xfs->per_char[index];
+}
- return (xfs->per_char[index].ascent + xfs->per_char[index].descent > 0 ||
- xfs->per_char[index].width > 0);
+static int x11_font_has_glyph(
+ XFontStruct *xfs, unsigned char byte1, unsigned char byte2)
+{
+ /*
+ * Not to be confused with x11font_has_glyph, which is a method of
+ * the x11font 'class' and hence takes a unifont as argument. This
+ * is the low-level function which grubs about in an actual
+ * XFontStruct to see if a given glyph exists.
+ *
+ * We must do this ourselves rather than letting Xlib's
+ * XTextExtents16 do the job, because XTextExtents will helpfully
+ * substitute the font's default_char for any missing glyph and
+ * not tell us it did so, which precisely won't help us find out
+ * which glyphs _are_ missing.
+ */
+ const XCharStruct *xcs = x11_char_struct(xfs, byte1, byte2);
+ return xcs && (xcs->ascent + xcs->descent > 0 || xcs->width > 0);
}
static unifont *x11font_create(GtkWidget *widget, const char *name,
int x, y;
unsigned char *bitmap;
Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ const XCharStruct *xcs = x11_char_struct(xfi->xfs, glyphindex >> 8,
+ glyphindex & 0xFF);
bitmap = snewn(xfi->allsize, unsigned char);
memset(bitmap, 0, xfi->allsize);
image = XGetImage(disp, xfi->pixmap, 0, 0,
xfi->pixwidth, xfi->pixheight, AllPlanes, XYPixmap);
- for (y = 0; y < xfi->pixheight; y++) {
- for (x = 0; x < xfi->pixwidth; x++) {
+ for (y = xfi->pixoriginy - xcs->ascent;
+ y < xfi->pixoriginy + xcs->descent; y++) {
+ for (x = xfi->pixoriginx + xcs->lbearing;
+ x < xfi->pixoriginx + xcs->rbearing; x++) {
unsigned long pixel = XGetPixel(image, x, y);
if (pixel) {
int byteindex = y * xfi->rowsize + x/8;
}
}
+static void x11font_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth)
+{
+ /*
+ * For server-side fonts, there's no sophisticated system for
+ * combining characters intelligently, so the best we can do is to
+ * overprint them on each other in the obvious way.
+ */
+ int i;
+ for (i = 0; i < len; i++)
+ x11font_draw_text(ctx, font, x, y, string+i, 1, wide, bold, cellwidth);
+}
+
static void x11font_enum_fonts(GtkWidget *widget,
fontsel_add_entry callback, void *callback_ctx)
{
tmpsize = 0;
for (i = 0; i < nnames; i++) {
- if (fontnames[i][0] == '-') {
+ struct xlfd_decomposed *xlfd = xlfd_decompose(fontnames[i]);
+ if (xlfd) {
+ char *p, *font, *style, *stylekey, *charset;
+ int weightkey, slantkey, setwidthkey;
+ int thistmpsize;
+
/*
- * Dismember an XLFD and convert it into the format
- * we'll be using in the font selector.
+ * Convert a dismembered XLFD into the format we'll be
+ * using in the font selector.
*/
- char *components[14];
- char *p, *font, *style, *stylekey, *charset;
- int j, weightkey, slantkey, setwidthkey;
- int thistmpsize, fontsize, flags;
-
- thistmpsize = 4 * strlen(fontnames[i]) + 256;
- if (tmpsize < thistmpsize) {
- tmpsize = thistmpsize;
- tmp = sresize(tmp, tmpsize, char);
- }
- strcpy(tmp, fontnames[i]);
+ thistmpsize = 4 * strlen(fontnames[i]) + 256;
+ if (tmpsize < thistmpsize) {
+ tmpsize = thistmpsize;
+ tmp = sresize(tmp, tmpsize, char);
+ }
p = tmp;
- for (j = 0; j < 14; j++) {
- if (*p)
- *p++ = '\0';
- components[j] = p;
- while (*p && *p != '-')
- p++;
- }
- *p++ = '\0';
/*
- * Font name is made up of fields 0 and 1, in reverse
- * order with parentheses. (This is what the GTK 1.2 X
- * font selector does, and it seems to come out
- * looking reasonably sensible.)
+ * Font name is in the form "family (foundry)". (This is
+ * what the GTK 1.2 X font selector does, and it seems to
+ * come out looking reasonably sensible.)
*/
font = p;
- p += 1 + sprintf(p, "%s (%s)", components[1], components[0]);
+ p += 1 + sprintf(p, "%s (%s)", xlfd->family_name, xlfd->foundry);
/*
- * Charset is made up of fields 12 and 13.
+ * Character set.
*/
charset = p;
- p += 1 + sprintf(p, "%s-%s", components[12], components[13]);
+ p += 1 + sprintf(p, "%s-%s", xlfd->charset_registry,
+ xlfd->charset_encoding);
/*
* Style is a mixture of quite a lot of the fields,
* with some strange formatting.
*/
style = p;
- p += sprintf(p, "%s", components[2][0] ? components[2] :
+ p += sprintf(p, "%s", xlfd->weight_name[0] ? xlfd->weight_name :
"regular");
- if (!g_ascii_strcasecmp(components[3], "i"))
+ if (!g_ascii_strcasecmp(xlfd->slant, "i"))
p += sprintf(p, " italic");
- else if (!g_ascii_strcasecmp(components[3], "o"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "o"))
p += sprintf(p, " oblique");
- else if (!g_ascii_strcasecmp(components[3], "ri"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ri"))
p += sprintf(p, " reverse italic");
- else if (!g_ascii_strcasecmp(components[3], "ro"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ro"))
p += sprintf(p, " reverse oblique");
- else if (!g_ascii_strcasecmp(components[3], "ot"))
+ else if (!g_ascii_strcasecmp(xlfd->slant, "ot"))
p += sprintf(p, " other-slant");
- if (components[4][0] && g_ascii_strcasecmp(components[4], "normal"))
- p += sprintf(p, " %s", components[4]);
- if (!g_ascii_strcasecmp(components[10], "m"))
+ if (xlfd->setwidth_name[0] &&
+ g_ascii_strcasecmp(xlfd->setwidth_name, "normal"))
+ p += sprintf(p, " %s", xlfd->setwidth_name);
+ if (!g_ascii_strcasecmp(xlfd->spacing, "m"))
p += sprintf(p, " [M]");
- if (!g_ascii_strcasecmp(components[10], "c"))
+ if (!g_ascii_strcasecmp(xlfd->spacing, "c"))
p += sprintf(p, " [C]");
- if (components[5][0])
- p += sprintf(p, " %s", components[5]);
+ if (xlfd->add_style_name[0])
+ p += sprintf(p, " %s", xlfd->add_style_name);
/*
* Style key is the same stuff as above, but with a
*/
p++;
stylekey = p;
- if (!g_ascii_strcasecmp(components[2], "medium") ||
- !g_ascii_strcasecmp(components[2], "regular") ||
- !g_ascii_strcasecmp(components[2], "normal") ||
- !g_ascii_strcasecmp(components[2], "book"))
+ if (!g_ascii_strcasecmp(xlfd->weight_name, "medium") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "regular") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "normal") ||
+ !g_ascii_strcasecmp(xlfd->weight_name, "book"))
weightkey = 0;
- else if (!g_ascii_strncasecmp(components[2], "demi", 4) ||
- !g_ascii_strncasecmp(components[2], "semi", 4))
+ else if (!g_ascii_strncasecmp(xlfd->weight_name, "demi", 4) ||
+ !g_ascii_strncasecmp(xlfd->weight_name, "semi", 4))
weightkey = 1;
else
weightkey = 2;
- if (!g_ascii_strcasecmp(components[3], "r"))
+ if (!g_ascii_strcasecmp(xlfd->slant, "r"))
slantkey = 0;
- else if (!g_ascii_strncasecmp(components[3], "r", 1))
+ else if (!g_ascii_strncasecmp(xlfd->slant, "r", 1))
slantkey = 2;
else
slantkey = 1;
- if (!g_ascii_strcasecmp(components[4], "normal"))
+ if (!g_ascii_strcasecmp(xlfd->setwidth_name, "normal"))
setwidthkey = 0;
else
setwidthkey = 1;
- p += sprintf(p, "%04d%04d%s%04d%04d%s%04d%04d%s%04d%s%04d%s",
- weightkey,
- (int)strlen(components[2]), components[2],
- slantkey,
- (int)strlen(components[3]), components[3],
- setwidthkey,
- (int)strlen(components[4]), components[4],
- (int)strlen(components[10]), components[10],
- (int)strlen(components[5]), components[5]);
+ p += sprintf(
+ p, "%04d%04d%s%04d%04d%s%04d%04d%s%04d%s%04d%s",
+ weightkey, (int)strlen(xlfd->weight_name), xlfd->weight_name,
+ slantkey, (int)strlen(xlfd->slant), xlfd->slant,
+ setwidthkey,
+ (int)strlen(xlfd->setwidth_name), xlfd->setwidth_name,
+ (int)strlen(xlfd->spacing), xlfd->spacing,
+ (int)strlen(xlfd->add_style_name), xlfd->add_style_name);
assert(p - tmp < thistmpsize);
- /*
- * Size is in pixels, for our application, so we
- * derive it directly from the pixel size field,
- * number 6.
- */
- fontsize = atoi(components[6]);
-
/*
* Flags: we need to know whether this is a monospaced
* font, which we do by examining the spacing field
* again.
*/
flags = FONTFLAG_SERVERSIDE;
- if (!strchr("CcMm", components[10][0]))
+ if (!strchr("CcMm", xlfd->spacing[0]))
flags |= FONTFLAG_NONMONOSPACED;
/*
- * Not sure why, but sometimes the X server will
- * deliver dummy font types in which fontsize comes
- * out as zero. Filter those out.
+ * Some fonts have a pixel size of zero, meaning they're
+ * treated as scalable. For these purposes, we only want
+ * fonts whose pixel size we actually know, so filter
+ * those out.
*/
- if (fontsize)
- callback(callback_ctx, fontnames[i], font, charset,
- style, stylekey, fontsize, flags, &x11font_vtable);
+ if (xlfd->pixel_size)
+ callback(callback_ctx, fontnames[i], font, charset,
+ style, stylekey, xlfd->pixel_size, flags,
+ &x11font_vtable);
+
+ sfree(xlfd);
} else {
/*
* This isn't an XLFD, so it must be an alias.
*/
callback(callback_ctx, fontnames[i], fontnames[i], NULL,
NULL, NULL, 0, FONTFLAG_SERVERALIAS, &x11font_vtable);
+
+ sfree(xlfd);
}
}
XFreeFontNames(fontnames);
+ sfree(tmp);
}
static char *x11font_canonify_fontname(GtkWidget *widget, const char *name,
return NULL; /* shan't */
}
+static char *x11font_size_increment(unifont *font, int increment)
+{
+ struct x11font *xfont = (struct x11font *)font;
+ Display *disp = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+ Atom fontprop = XInternAtom(disp, "FONT", False);
+ char *returned_name = NULL;
+ unsigned long ret;
+ if (XGetFontProperty(xfont->fonts[0].xfs, fontprop, &ret)) {
+ struct xlfd_decomposed *xlfd;
+ struct xlfd_decomposed *xlfd_best;
+ char *wc;
+ char **fontnames;
+ int nnames, i, max;
+
+ xlfd = xlfd_decompose(XGetAtomName(disp, (Atom)ret));
+ if (!xlfd)
+ return NULL;
+
+ /*
+ * Form a wildcard consisting of everything in the
+ * original XLFD except for the size-related fields.
+ */
+ {
+ struct xlfd_decomposed xlfd_wc = *xlfd; /* structure copy */
+ xlfd_wc.pixel_size = XLFD_INT_WILDCARD;
+ xlfd_wc.point_size = XLFD_INT_WILDCARD;
+ xlfd_wc.average_width = XLFD_INT_WILDCARD;
+ wc = xlfd_recompose(&xlfd_wc);
+ }
+
+ /*
+ * Fetch all the font names matching that wildcard.
+ */
+ max = 32768;
+ while (1) {
+ fontnames = XListFonts(disp, wc, max, &nnames);
+ if (nnames >= max) {
+ XFreeFontNames(fontnames);
+ max *= 2;
+ } else
+ break;
+ }
+
+ sfree(wc);
+
+ /*
+ * Iterate over those to find the one closest in size to the
+ * original font, in the correct direction.
+ */
+
+#define FLIPPED_SIZE(xlfd) \
+ (((xlfd)->pixel_size + (xlfd)->point_size) * \
+ (increment < 0 ? -1 : +1))
+
+ xlfd_best = NULL;
+ for (i = 0; i < nnames; i++) {
+ struct xlfd_decomposed *xlfd2 = xlfd_decompose(fontnames[i]);
+ if (!xlfd2)
+ continue;
+
+ if (xlfd2->pixel_size != 0 &&
+ FLIPPED_SIZE(xlfd2) > FLIPPED_SIZE(xlfd) &&
+ (!xlfd_best || FLIPPED_SIZE(xlfd2)<FLIPPED_SIZE(xlfd_best))) {
+ sfree(xlfd_best);
+ xlfd_best = xlfd2;
+ xlfd2 = NULL;
+ }
+
+ sfree(xlfd2);
+ }
+
+#undef FLIPPED_SIZE
+
+ if (xlfd_best) {
+ char *bare_returned_name = xlfd_recompose(xlfd_best);
+ returned_name = dupcat(
+ xfont->u.vt->prefix, ":", bare_returned_name,
+ (const char *)NULL);
+ sfree(bare_returned_name);
+ }
+
+ XFreeFontNames(fontnames);
+ sfree(xlfd);
+ sfree(xlfd_best);
+ }
+ return returned_name;
+}
+
#endif /* NOT_X_WINDOWS */
#if GTK_CHECK_VERSION(2,0,0)
static void pangofont_draw_text(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth);
+static void pangofont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
static unifont *pangofont_create(GtkWidget *widget, const char *name,
int wide, int bold,
int shadowoffset, int shadowalways);
int resolve_aliases);
static char *pangofont_scale_fontname(GtkWidget *widget, const char *name,
int size);
+static char *pangofont_size_increment(unifont *font, int increment);
struct pangofont {
struct unifont u;
pangofont_destroy,
pangofont_has_glyph,
pangofont_draw_text,
+ pangofont_draw_combining,
pangofont_enum_fonts,
pangofont_canonify_fontname,
pangofont_scale_fontname,
+ pangofont_size_increment,
"client",
};
/*
* Here we check whether a character has the same width as the
* character cell it'll be drawn in. Because profiling showed that
- * pango_layout_get_pixel_extents() was a huge bottleneck when we
- * were calling it every time we needed to know this, we instead
- * call it only on characters we don't already know about, and
- * cache the results.
+ * asking Pango for text sizes was a huge bottleneck when we were
+ * calling it every time we needed to know this, we instead call
+ * it only on characters we don't already know about, and cache
+ * the results.
*/
if ((unsigned)uchr >= pfont->nwidthcache) {
if (pfont->widthcache[uchr] < 0) {
PangoRectangle rect;
pango_layout_set_text(layout, utfchr, utflen);
- pango_layout_get_pixel_extents(layout, NULL, &rect);
+ pango_layout_get_extents(layout, NULL, &rect);
pfont->widthcache[uchr] = rect.width;
}
}
#endif
-static void pangofont_draw_text(unifont_drawctx *ctx, unifont *font,
- int x, int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth)
+static void pangofont_draw_internal(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold, int cellwidth,
+ int combining)
{
struct pangofont *pfont = (struct pangofont *)font;
PangoLayout *layout;
utfptr = utfstring;
while (utflen > 0) {
int clen, n;
+ int desired = cellwidth * PANGO_SCALE;
/*
* We want to display every character from this string in
* them to do that.
*/
- /*
- * Start by extracting a single UTF-8 character from the
- * string.
- */
- clen = 1;
- while (clen < utflen &&
- (unsigned char)utfptr[clen] >= 0x80 &&
- (unsigned char)utfptr[clen] < 0xC0)
- clen++;
- n = 1;
-
- if (is_rtl(string[0]) ||
- pangofont_char_width(layout, pfont, string[n-1],
- utfptr, clen) != cellwidth) {
+ if (combining) {
/*
- * If this character is a right-to-left one, or has an
- * unusual width, then we must display it on its own.
+ * For a character with combining stuff, we just dump the
+ * whole lot in one go, and expect it to take up just one
+ * character cell.
*/
+ clen = utflen;
+ n = 1;
} else {
/*
- * Try to amalgamate a contiguous string of characters
- * with the expected sensible width, for the common case
- * in which we're using a monospaced font and everything
- * works as expected.
+ * Start by extracting a single UTF-8 character from the
+ * string.
*/
- while (clen < utflen) {
- int oldclen = clen;
- clen++; /* skip UTF-8 introducer byte */
- while (clen < utflen &&
- (unsigned char)utfptr[clen] >= 0x80 &&
- (unsigned char)utfptr[clen] < 0xC0)
- clen++;
- n++;
- if (pangofont_char_width(layout, pfont,
- string[n-1], utfptr + oldclen,
- clen - oldclen) != cellwidth) {
- clen = oldclen;
- n--;
- break;
+ clen = 1;
+ while (clen < utflen &&
+ (unsigned char)utfptr[clen] >= 0x80 &&
+ (unsigned char)utfptr[clen] < 0xC0)
+ clen++;
+ n = 1;
+
+ if (is_rtl(string[0]) ||
+ pangofont_char_width(layout, pfont, string[n-1],
+ utfptr, clen) != desired) {
+ /*
+ * If this character is a right-to-left one, or has an
+ * unusual width, then we must display it on its own.
+ */
+ } else {
+ /*
+ * Try to amalgamate a contiguous string of characters
+ * with the expected sensible width, for the common case
+ * in which we're using a monospaced font and everything
+ * works as expected.
+ */
+ while (clen < utflen) {
+ int oldclen = clen;
+ clen++; /* skip UTF-8 introducer byte */
+ while (clen < utflen &&
+ (unsigned char)utfptr[clen] >= 0x80 &&
+ (unsigned char)utfptr[clen] < 0xC0)
+ clen++;
+ n++;
+ if (is_rtl(string[n-1]) ||
+ pangofont_char_width(layout, pfont,
+ string[n-1], utfptr + oldclen,
+ clen - oldclen) != desired) {
+ clen = oldclen;
+ n--;
+ break;
+ }
}
}
}
g_object_unref(layout);
}
+static void pangofont_draw_text(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ pangofont_draw_internal(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, FALSE);
+}
+
+static void pangofont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth)
+{
+ wchar_t *tmpstring = NULL;
+ if (mk_wcwidth(string[0]) == 0) {
+ /*
+ * If we've been told to draw a sequence of _only_ combining
+ * characters, prefix a space so that they have something to
+ * combine with.
+ */
+ tmpstring = snewn(len+1, wchar_t);
+ memcpy(tmpstring+1, string, len * sizeof(wchar_t));
+ tmpstring[0] = L' ';
+ string = tmpstring;
+ len++;
+ }
+ pangofont_draw_internal(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, TRUE);
+ sfree(tmpstring);
+}
+
/*
* Dummy size value to be used when converting a
* PangoFontDescription of a scalable font to a string for
return retname;
}
+static char *pangofont_size_increment(unifont *font, int increment)
+{
+ struct pangofont *pfont = (struct pangofont *)font;
+ PangoFontDescription *desc;
+ int size;
+ char *newname, *retname;
+
+ desc = pango_font_description_copy_static(pfont->desc);
+
+ size = pango_font_description_get_size(desc);
+ size += PANGO_SCALE * increment;
+
+ if (size <= 0) {
+ retname = NULL;
+ } else {
+ pango_font_description_set_size(desc, size);
+ newname = pango_font_description_to_string(desc);
+ retname = dupcat(pfont->u.vt->prefix, ":",
+ newname, (const char *)NULL);
+ g_free(newname);
+ }
+
+ pango_font_description_free(desc);
+ return retname;
+}
+
#endif /* GTK_CHECK_VERSION(2,0,0) */
/* ----------------------------------------------------------------------
font->vt->draw_text(ctx, font, x, y, string, len, wide, bold, cellwidth);
}
+void unifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ font->vt->draw_combining(ctx, font, x, y, string, len, wide, bold,
+ cellwidth);
+}
+
+char *unifont_size_increment(unifont *font, int increment)
+{
+ return font->vt->size_increment(font, increment);
+}
+
/* ----------------------------------------------------------------------
* Multiple-font wrapper. This is a type of unifont which encapsulates
* up to two other unifonts, permitting missing glyphs in the main
static void multifont_draw_text(unifont_drawctx *ctx, unifont *font,
int x, int y, const wchar_t *string, int len,
int wide, int bold, int cellwidth);
+static void multifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
static void multifont_destroy(unifont *font);
+static char *multifont_size_increment(unifont *font, int increment);
struct multifont {
struct unifont u;
multifont_destroy,
NULL,
multifont_draw_text,
+ multifont_draw_combining,
NULL,
NULL,
NULL,
+ multifont_size_increment,
"client",
};
sfree(font);
}
-static void multifont_draw_text(unifont_drawctx *ctx, unifont *font, int x,
+typedef void (*unifont_draw_func_t)(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth);
+
+static void multifont_draw_main(unifont_drawctx *ctx, unifont *font, int x,
int y, const wchar_t *string, int len,
- int wide, int bold, int cellwidth)
+ int wide, int bold, int cellwidth,
+ int cellinc, unifont_draw_func_t draw)
{
struct multifont *mfont = (struct multifont *)font;
unifont *f;
*/
f = ok ? mfont->main : mfont->fallback;
if (f)
- unifont_draw_text(ctx, f, x, y, string, i, wide, bold, cellwidth);
+ draw(ctx, f, x, y, string, i, wide, bold, cellwidth);
string += i;
len -= i;
- x += i * cellwidth;
+ x += i * cellinc;
}
}
+static void multifont_draw_text(unifont_drawctx *ctx, unifont *font, int x,
+ int y, const wchar_t *string, int len,
+ int wide, int bold, int cellwidth)
+{
+ multifont_draw_main(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, cellwidth, unifont_draw_text);
+}
+
+static void multifont_draw_combining(unifont_drawctx *ctx, unifont *font,
+ int x, int y, const wchar_t *string,
+ int len, int wide, int bold,
+ int cellwidth)
+{
+ multifont_draw_main(ctx, font, x, y, string, len, wide, bold,
+ cellwidth, 0, unifont_draw_combining);
+}
+
+static char *multifont_size_increment(unifont *font, int increment)
+{
+ struct multifont *mfont = (struct multifont *)font;
+ return unifont_size_increment(mfont->main, increment);
+}
+
#if GTK_CHECK_VERSION(2,0,0)
/* ----------------------------------------------------------------------
gtk_list_store_append(fs->style_model, &iter);
gtk_list_store_set(fs->style_model, &iter,
0, currstyle, 1, minpos, 2, maxpos+1,
- 3, TRUE, -1);
+ 3, TRUE, 4, PANGO_WEIGHT_NORMAL, -1);
listindex++;
}
if (info) {
gtk_list_store_append(fs->style_model, &iter);
gtk_list_store_set(fs->style_model, &iter,
0, info->charset, 1, -1, 2, -1,
- 3, FALSE, -1);
+ 3, FALSE, 4, PANGO_WEIGHT_BOLD, -1);
listindex++;
}
currcs = info->charset;
return TRUE;
}
-static void get_label_text_dimensions(const char *text,
- int *width, int *height)
-{
- /*
- * Determine the dimensions of a piece of text in the standard
- * font used in GTK interface elements like labels. We do this by
- * instantiating an actual GtkLabel, and then querying its size.
- *
- * But GTK2 and GTK3 require us to query the size completely
- * differently. I'm sure there ought to be an easier approach than
- * the way I'm doing this in GTK3, too!
- */
- GtkWidget *label = gtk_label_new(text);
-
-#if GTK_CHECK_VERSION(3,0,0)
- PangoLayout *layout = gtk_label_get_layout(GTK_LABEL(label));
- PangoRectangle logrect;
- pango_layout_get_extents(layout, NULL, &logrect);
- *width = logrect.width / PANGO_SCALE;
- *height = logrect.height / PANGO_SCALE;
-#else
- GtkRequisition req;
- gtk_widget_size_request(label, &req);
- *width = req.width;
- *height = req.height;
-#endif
-
- g_object_ref_sink(G_OBJECT(label));
-#if GTK_CHECK_VERSION(2,10,0)
- g_object_unref(label);
-#endif
-}
-
unifontsel *unifontsel_new(const char *wintitle)
{
unifontsel_internal *fs = snew(unifontsel_internal);
gtk_table_set_col_spacings(GTK_TABLE(table), 8);
#endif
gtk_widget_show(table);
-#if GTK_CHECK_VERSION(2,4,0)
+
+#if GTK_CHECK_VERSION(3,0,0)
+ /* GtkAlignment has become deprecated and we use the "margin"
+ * property */
+ w = table;
+ g_object_set(G_OBJECT(w), "margin", 8, (const char *)NULL);
+#elif GTK_CHECK_VERSION(2,4,0)
/* GtkAlignment seems to be the simplest way to put padding round things */
w = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(w), 8, 8, 8, 8);
gtk_container_add(GTK_CONTAINER(w), table);
gtk_widget_show(w);
#else
+ /* In GTK < 2.4, even that isn't available */
w = table;
#endif
+
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area
(GTK_DIALOG(fs->u.window))),
w, TRUE, TRUE, 0);
label = gtk_label_new_with_mnemonic("_Font:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
#if GTK_CHECK_VERSION(3,0,0)
gtk_grid_attach(GTK_GRID(table), label, 0, 0, 1, 1);
g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
label = gtk_label_new_with_mnemonic("_Style:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
#if GTK_CHECK_VERSION(3,0,0)
gtk_grid_attach(GTK_GRID(table), label, 1, 0, 1, 1);
g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
#endif
/*
- * The Style list box can contain insensitive elements
- * (character set headings for server-side fonts), so we add
- * an extra column to the list store to hold that information.
+ * The Style list box can contain insensitive elements (character
+ * set headings for server-side fonts), so we add an extra column
+ * to the list store to hold that information. Also, since GTK3 at
+ * least doesn't seem to display insensitive elements differently
+ * by default, we add a further column to change their style.
*/
- model = gtk_list_store_new(4, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT,
- G_TYPE_BOOLEAN);
+ model = gtk_list_store_new(5, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT,
+ G_TYPE_BOOLEAN, G_TYPE_INT);
w = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w), FALSE);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), w);
gtk_widget_show(w);
column = gtk_tree_view_column_new_with_attributes
("Style", gtk_cell_renderer_text_new(),
- "text", 0, "sensitive", 3, (char *)NULL);
+ "text", 0, "sensitive", 3, "weight", 4, (char *)NULL);
gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(w), column);
g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(w))),
label = gtk_label_new_with_mnemonic("Si_ze:");
gtk_widget_show(label);
- gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
+ align_label_left(GTK_LABEL(label));
#if GTK_CHECK_VERSION(3,0,0)
gtk_grid_attach(GTK_GRID(table), label, 2, 0, 1, 1);
g_object_set(G_OBJECT(label), "hexpand", TRUE, (const char *)NULL);
w = gtk_frame_new(NULL);
gtk_container_add(GTK_CONTAINER(w), ww);
gtk_widget_show(w);
-#if GTK_CHECK_VERSION(2,4,0)
+
+#if GTK_CHECK_VERSION(3,0,0)
+ /* GtkAlignment has become deprecated and we use the "margin"
+ * property */
+ g_object_set(G_OBJECT(w), "margin", 8, (const char *)NULL);
+#elif GTK_CHECK_VERSION(2,4,0)
ww = w;
/* GtkAlignment seems to be the simplest way to put padding round things */
w = gtk_alignment_new(0, 0, 1, 1);
gtk_container_add(GTK_CONTAINER(w), ww);
gtk_widget_show(w);
#endif
+
ww = w;
w = gtk_frame_new("Preview of font");
gtk_container_add(GTK_CONTAINER(w), ww);
* Provide a default if given an empty or null font name.
*/
if (!fontname || !*fontname)
- fontname = "server:fixed";
+ fontname = DEFAULT_GTK_FONT;
/*
* Call the canonify_fontname function.
projects / PuTTY.git / blobdiff