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,
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);
x11font_destroy,
x11font_has_glyph,
x11font_draw_text,
+ x11font_draw_combining,
x11font_enum_fonts,
x11font_canonify_fontname,
x11font_scale_fontname,
}
}
-static int x11_font_has_glyph(XFontStruct *xfs, int byte1, int byte2)
+static const XCharStruct *x11_char_struct(XFontStruct *xfs,
+ int byte1, int 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].ascent + xfs->per_char[index].descent > 0 ||
- xfs->per_char[index].width > 0);
+ return &xfs->per_char[index];
+}
+
+static int x11_font_has_glyph(XFontStruct *xfs, int byte1, int 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)
{
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);
pangofont_destroy,
pangofont_has_glyph,
pangofont_draw_text,
+ pangofont_draw_combining,
pangofont_enum_fonts,
pangofont_canonify_fontname,
pangofont_scale_fontname,
}
#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;
* 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) != desired) {
+ 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) != desired) {
- 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
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);
+}
+
/* ----------------------------------------------------------------------
* 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);
struct multifont {
multifont_destroy,
NULL,
multifont_draw_text,
+ multifont_draw_combining,
NULL,
NULL,
NULL,
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);
+}
+
#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;
#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))),
projects / PuTTY.git / blobdiff