diff options
Diffstat (limited to 'src/xterm.c')
| -rw-r--r-- | src/xterm.c | 713 |
1 files changed, 587 insertions, 126 deletions
diff --git a/src/xterm.c b/src/xterm.c index e3fb3ae1c14..efbc3c7b7ea 100644 --- a/src/xterm.c +++ b/src/xterm.c @@ -68,6 +68,7 @@ Boston, MA 02110-1301, USA. */ /* #include <sys/param.h> */ #include "charset.h" +#include "character.h" #include "coding.h" #include "ccl.h" #include "frame.h" @@ -101,6 +102,10 @@ Boston, MA 02110-1301, USA. */ #include "gtkutil.h" #endif +#ifdef USE_FONT_BACKEND +#include "font.h" +#endif /* USE_FONT_BACKEND */ + #ifdef USE_LUCID extern int xlwmenu_window_p P_ ((Widget w, Window window)); extern void xlwmenu_redisplay P_ ((Widget)); @@ -812,7 +817,8 @@ XTreset_terminal_modes () /* Function prototypes of this page. */ -static int x_encode_char P_ ((int, XChar2b *, struct font_info *, int *)); +static int x_encode_char P_ ((int, XChar2b *, struct font_info *, + struct charset *, int *)); /* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B @@ -891,13 +897,13 @@ x_per_char_metric (font, char2b, font_type) the two-byte form of C. Encoding is returned in *CHAR2B. */ static int -x_encode_char (c, char2b, font_info, two_byte_p) +x_encode_char (c, char2b, font_info, charset, two_byte_p) int c; XChar2b *char2b; struct font_info *font_info; + struct charset *charset; int *two_byte_p; { - int charset = CHAR_CHARSET (c); XFontStruct *font = font_info->font; /* FONT_INFO may define a scheme by which to encode byte1 and byte2. @@ -911,31 +917,31 @@ x_encode_char (c, char2b, font_info, two_byte_p) check_ccl_update (ccl); if (CHARSET_DIMENSION (charset) == 1) { - ccl->reg[0] = charset; + ccl->reg[0] = CHARSET_ID (charset); ccl->reg[1] = char2b->byte2; ccl->reg[2] = -1; } else { - ccl->reg[0] = charset; + ccl->reg[0] = CHARSET_ID (charset); ccl->reg[1] = char2b->byte1; ccl->reg[2] = char2b->byte2; } - ccl_driver (ccl, NULL, NULL, 0, 0, NULL); + ccl_driver (ccl, NULL, NULL, 0, 0, Qnil); /* We assume that MSBs are appropriately set/reset by CCL program. */ if (font->max_byte1 == 0) /* 1-byte font */ - char2b->byte1 = 0, char2b->byte2 = ccl->reg[1]; + STORE_XCHAR2B (char2b, 0, ccl->reg[1]); else - char2b->byte1 = ccl->reg[1], char2b->byte2 = ccl->reg[2]; + STORE_XCHAR2B (char2b, ccl->reg[1], ccl->reg[2]); } - else if (font_info->encoding[charset]) + else if (font_info->encoding_type) { /* Fixed encoding scheme. See fontset.h for the meaning of the encoding numbers. */ - int enc = font_info->encoding[charset]; + unsigned char enc = font_info->encoding_type; if ((enc == 1 || enc == 2) && CHARSET_DIMENSION (charset) == 2) @@ -1063,15 +1069,20 @@ x_set_mouse_face_gc (s) face = FACE_FROM_ID (s->f, MOUSE_FACE_ID); if (s->first_glyph->type == CHAR_GLYPH) - face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); + face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch, -1, Qnil); else - face_id = FACE_FOR_CHAR (s->f, face, 0); + face_id = FACE_FOR_CHAR (s->f, face, 0, -1, Qnil); s->face = FACE_FROM_ID (s->f, face_id); PREPARE_FACE_FOR_DISPLAY (s->f, s->face); /* If font in this face is same as S->font, use it. */ if (s->font == s->face->font) s->gc = s->face->gc; +#ifdef USE_FONT_BACKEND + else if (enable_font_backend) + /* No need of setting a font for s->gc. */ + s->gc = s->face->gc; +#endif /* USE_FONT_BACKEND */ else { /* Otherwise construct scratch_cursor_gc with values from FACE @@ -1169,12 +1180,50 @@ x_set_glyph_string_clipping (s) XRectangle r; get_glyph_string_clip_rect (s, &r); XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted); +#ifdef USE_FONT_BACKEND + s->clip_x = r.x, s->clip_y = r.y; + s->clip_width = r.width, s->clip_height = r.height; +#endif /* USE_FONT_BACKEND */ +} + + +/* Set SRC's clipping for output of glyph string DST. This is called + when we are drawing DST's left_overhang or right_overhang only in + the area of SRC. */ + +static void +x_set_glyph_string_clipping_exactly (src, dst) + struct glyph_string *src, *dst; +{ + XRectangle r; + +#ifdef USE_FONT_BACKEND + if (enable_font_backend) + { + r.x = dst->clip_x = src->x; + r.width = dst->clip_width = src->width; + r.y = dst->clip_y = src->y; + r.height = dst->clip_height = src->height; + } + else + { +#endif /* USE_FONT_BACKEND */ + struct glyph_string *clip_head = src->clip_head; + struct glyph_string *clip_tail = src->clip_tail; + + /* This foces clipping just this glyph string. */ + src->clip_head = src->clip_tail = src; + get_glyph_string_clip_rect (src, &r); + src->clip_head = clip_head, src->clip_tail = clip_tail; +#ifdef USE_FONT_BACKEND + } +#endif /* USE_FONT_BACKEND */ + XSetClipRectangles (dst->display, dst->gc, 0, 0, &r, 1, Unsorted); } /* RIF: - Compute left and right overhang of glyph string S. If S is a glyph - string for a composition, assume overhangs don't exist. */ + Compute left and right overhang of glyph string S. */ static void x_compute_glyph_string_overhangs (s) @@ -1185,11 +1234,34 @@ x_compute_glyph_string_overhangs (s) { XCharStruct cs; int direction, font_ascent, font_descent; + +#ifdef USE_FONT_BACKEND + if (enable_font_backend) + { + unsigned *code = alloca (sizeof (unsigned) * s->nchars); + struct font *font = (struct font *) s->font_info; + struct font_metrics metrics; + int i; + + for (i = 0; i < s->nchars; i++) + code[i] = (s->char2b[i].byte1 << 8) | s->char2b[i].byte2; + font->driver->text_extents (font, code, s->nchars, &metrics); + cs.rbearing = metrics.rbearing; + cs.lbearing = metrics.lbearing; + cs.width = metrics.width; + } + else +#endif /* USE_FONT_BACKEND */ XTextExtents16 (s->font, s->char2b, s->nchars, &direction, &font_ascent, &font_descent, &cs); s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; } + else if (s->cmp) + { + s->right_overhang = s->cmp->rbearing - s->cmp->pixel_width; + s->left_overhang = - s->cmp->lbearing; + } } @@ -1279,6 +1351,30 @@ x_draw_glyph_string_foreground (s) x += g->pixel_width; } } +#ifdef USE_FONT_BACKEND + else if (enable_font_backend) + { + unsigned *code = alloca (sizeof (unsigned) * s->nchars); + int boff = s->font_info->baseline_offset; + struct font *font = (struct font *) s->font_info; + int y; + + for (i = 0; i < s->nchars; i++) + code[i] = (s->char2b[i].byte1 << 8) | s->char2b[i].byte2; + + if (s->font_info->vertical_centering) + boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; + + y = s->ybase - boff; + if (s->for_overlaps + || (s->background_filled_p && s->hl != DRAW_CURSOR)) + font->driver->draw (s, 0, s->nchars, x, y, 0); + else + font->driver->draw (s, 0, s->nchars, x, y, 1); + if (s->face->overstrike) + font->driver->draw (s, 0, s->nchars, x + 1, y, 0); + } +#endif /* USE_FONT_BACKEND */ else { char *char1b = (char *) s->char2b; @@ -1342,7 +1438,7 @@ x_draw_composite_glyph_string_foreground (s) /* If first glyph of S has a left box line, start drawing the text of S to the right of that box line. */ - if (s->face->box != FACE_NO_BOX + if (s->face && s->face->box != FACE_NO_BOX && s->first_glyph->left_box_line_p) x = s->x + abs (s->face->box_line_width); else @@ -1361,20 +1457,78 @@ x_draw_composite_glyph_string_foreground (s) XDrawRectangle (s->display, s->window, s->gc, x, s->y, s->width - 1, s->height - 1); } +#ifdef USE_FONT_BACKEND + else if (enable_font_backend) + { + struct font *font = (struct font *) s->font_info; + int y = s->ybase; + int width = 0; + + if (s->cmp->method == COMPOSITION_WITH_GLYPH_STRING) + { + Lisp_Object gstring = AREF (XHASH_TABLE (composition_hash_table) + ->key_and_value, + s->cmp->hash_index * 2); + int from; + + for (i = from = 0; i < s->nchars; i++) + { + Lisp_Object g = LGSTRING_GLYPH (gstring, i); + Lisp_Object adjustment = LGLYPH_ADJUSTMENT (g); + int xoff, yoff, wadjust; + + if (! VECTORP (adjustment)) + { + width += XINT (LGLYPH_WIDTH (g)); + continue; + } + if (from < i) + { + font->driver->draw (s, from, i, x, y, 0); + x += width; + } + xoff = XINT (AREF (adjustment, 0)); + yoff = XINT (AREF (adjustment, 1)); + wadjust = XINT (AREF (adjustment, 2)); + + font->driver->draw (s, i, i + 1, x + xoff, y + yoff, 0); + x += XINT (LGLYPH_WIDTH (g)) + wadjust; + from = i + 1; + width = 0; + } + if (from < i) + font->driver->draw (s, from, i, x, y, 0); + } + else + { + for (i = 0; i < s->nchars; i++, ++s->gidx) + if (COMPOSITION_GLYPH (s->cmp, s->gidx) != '\t') + { + int xx = x + s->cmp->offsets[s->gidx * 2]; + int yy = y - s->cmp->offsets[s->gidx * 2 + 1]; + + font->driver->draw (s, s->gidx, s->gidx + 1, xx, yy, 0); + if (s->face->overstrike) + font->driver->draw (s, s->gidx, s->gidx + 1, xx + 1, yy, 0); + } + } + } +#endif /* USE_FONT_BACKEND */ else { for (i = 0; i < s->nchars; i++, ++s->gidx) - { - XDrawString16 (s->display, s->window, s->gc, - x + s->cmp->offsets[s->gidx * 2], - s->ybase - s->cmp->offsets[s->gidx * 2 + 1], - s->char2b + i, 1); - if (s->face->overstrike) + if (s->face) + { XDrawString16 (s->display, s->window, s->gc, - x + s->cmp->offsets[s->gidx * 2] + 1, + x + s->cmp->offsets[s->gidx * 2], s->ybase - s->cmp->offsets[s->gidx * 2 + 1], - s->char2b + i, 1); - } + s->char2b + s->gidx, 1); + if (s->face->overstrike) + XDrawString16 (s->display, s->window, s->gc, + x + s->cmp->offsets[s->gidx * 2] + 1, + s->ybase - s->cmp->offsets[s->gidx * 2 + 1], + s->char2b + s->gidx, 1); + } } } @@ -2620,15 +2774,25 @@ x_draw_glyph_string (s) { int relief_drawn_p = 0; - /* If S draws into the background of its successor, draw the - background of the successor first so that S can draw into it. + /* If S draws into the background of its successors, draw the + background of the successors first so that S can draw into it. This makes S->next use XDrawString instead of XDrawImageString. */ if (s->next && s->right_overhang && !s->for_overlaps) { - xassert (s->next->img == NULL); - x_set_glyph_string_gc (s->next); - x_set_glyph_string_clipping (s->next); - x_draw_glyph_string_background (s->next, 1); + int width; + struct glyph_string *next; + + for (width = 0, next = s->next; next; + width += next->width, next = next->next) + if (next->first_glyph->type != IMAGE_GLYPH) + { + x_set_glyph_string_gc (next); + x_set_glyph_string_clipping (next); + x_draw_glyph_string_background (next, 1); +#ifdef USE_FONT_BACKEND + next->clip_width = 0; +#endif /* USE_FONT_BACKEND */ + } } /* Set up S->gc, set clipping and draw S. */ @@ -2648,6 +2812,12 @@ x_draw_glyph_string (s) x_set_glyph_string_clipping (s); relief_drawn_p = 1; } + else if ((s->prev && s->prev->hl != s->hl && s->left_overhang) + || (s->next && s->next->hl != s->hl && s->right_overhang)) + /* We must clip just this glyph. left_overhang part has already + drawn when s->prev was drawn, and right_overhang part will be + drawn later when s->next is drawn. */ + x_set_glyph_string_clipping_exactly (s, s); else x_set_glyph_string_clipping (s); @@ -2690,26 +2860,45 @@ x_draw_glyph_string (s) int y; /* Get the underline thickness. Default is 1 pixel. */ +#ifdef USE_FONT_BACKEND + if (enable_font_backend) + /* In the future, we must use information of font. */ + h = 1; + else +#endif /* USE_FONT_BACKEND */ if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h)) h = 1; - y = s->y + s->height - h; - if (!x_underline_at_descent_line) - { - /* Get the underline position. This is the recommended - vertical offset in pixels from the baseline to the top of - the underline. This is a signed value according to the - specs, and its default is - - ROUND ((maximum descent) / 2), with - ROUND(x) = floor (x + 0.5) */ - - if (x_use_underline_position_properties - && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem)) - y = s->ybase + (long) tem; - else if (s->face->font) - y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2; - } +#ifdef USE_FONT_BACKEND + if (enable_font_backend) + { + if (s->face->font) + /* In the future, we must use information of font. */ + y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2; + else + y = s->y + s->height - h; + } + else +#endif + { + y = s->y + s->height - h; + if (!x_underline_at_descent_line) + { + /* Get the underline position. This is the recommended + vertical offset in pixels from the baseline to the top of + the underline. This is a signed value according to the + specs, and its default is + + ROUND ((maximum descent) / 2), with + ROUND(x) = floor (x + 0.5) */ + + if (x_use_underline_position_properties + && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem)) + y = s->ybase + (long) tem; + else if (s->face->font) + y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2; + } + } if (s->face->underline_defaulted_p) XFillRectangle (s->display, s->window, s->gc, @@ -2767,10 +2956,67 @@ x_draw_glyph_string (s) /* Draw relief if not yet drawn. */ if (!relief_drawn_p && s->face->box != FACE_NO_BOX) x_draw_glyph_string_box (s); + + if (s->prev) + { + struct glyph_string *prev; + + for (prev = s->prev; prev; prev = prev->prev) + if (prev->hl != s->hl + && prev->x + prev->width + prev->right_overhang > s->x) + { + /* As prev was drawn while clipped to its own area, we + must draw the right_overhang part using s->hl now. */ + enum draw_glyphs_face save = prev->hl; + + prev->hl = s->hl; + x_set_glyph_string_gc (prev); + x_set_glyph_string_clipping_exactly (s, prev); + if (prev->first_glyph->type == CHAR_GLYPH) + x_draw_glyph_string_foreground (prev); + else + x_draw_composite_glyph_string_foreground (prev); + XSetClipMask (prev->display, prev->gc, None); + prev->hl = save; +#ifdef USE_FONT_BACKEND + prev->clip_width = 0; +#endif /* USE_FONT_BACKEND */ + } + } + + if (s->next) + { + struct glyph_string *next; + + for (next = s->next; next; next = next->next) + if (next->hl != s->hl + && next->x - next->left_overhang < s->x + s->width) + { + /* As next will be drawn while clipped to its own area, + we must draw the left_overhang part using s->hl now. */ + enum draw_glyphs_face save = next->hl; + + next->hl = s->hl; + x_set_glyph_string_gc (next); + x_set_glyph_string_clipping_exactly (s, next); + if (next->first_glyph->type == CHAR_GLYPH) + x_draw_glyph_string_foreground (next); + else + x_draw_composite_glyph_string_foreground (next); + XSetClipMask (next->display, next->gc, None); + next->hl = save; +#ifdef USE_FONT_BACKEND + next->clip_width = 0; +#endif /* USE_FONT_BACKEND */ + } + } } /* Reset clipping. */ XSetClipMask (s->display, s->gc, None); +#ifdef USE_FONT_BACKEND + s->clip_width = 0; +#endif /* USE_FONT_BACKEND */ } /* Shift display to make room for inserted glyphs. */ @@ -6277,41 +6523,14 @@ handle_one_xevent (dpyinfo, eventp, finish, hold_quit) goto done_keysym; } - /* Keysyms directly mapped to supported Unicode characters. */ - if ((keysym >= 0x01000000 && keysym <= 0x010033ff) - || (keysym >= 0x0100e000 && keysym <= 0x0100ffff)) + /* Keysyms directly mapped to Unicode characters. */ + if (keysym >= 0x01000000 && keysym <= 0x0110FFFF) { - int code = keysym & 0xFFFF, charset_id, c1, c2; - - if (code < 0x80) - { - inev.ie.kind = ASCII_KEYSTROKE_EVENT; - inev.ie.code = code; - } - else if (code < 0x100) - { - if (code < 0xA0) - charset_id = CHARSET_8_BIT_CONTROL; - else - charset_id = charset_latin_iso8859_1; - inev.ie.kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; - inev.ie.code = MAKE_CHAR (charset_id, code, 0); - } + if (keysym < 0x01000080) + inev.ie.kind = ASCII_KEYSTROKE_EVENT; else - { - if (code < 0x2500) - charset_id = charset_mule_unicode_0100_24ff, - code -= 0x100; - else if (code < 0xE000) - charset_id = charset_mule_unicode_2500_33ff, - code -= 0x2500; - else - charset_id = charset_mule_unicode_e000_ffff, - code -= 0xE000; - c1 = (code / 96) + 32, c2 = (code % 96) + 32; - inev.ie.kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; - inev.ie.code = MAKE_CHAR (charset_id, c1, c2); - } + inev.ie.kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; + inev.ie.code = keysym & 0xFFFFFF; goto done_keysym; } @@ -6424,38 +6643,39 @@ handle_one_xevent (dpyinfo, eventp, finish, hold_quit) register int c; int nchars, len; - /* The input should be decoded with `coding_system' - which depends on which X*LookupString function - we used just above and the locale. */ - setup_coding_system (coding_system, &coding); - coding.src_multibyte = 0; - coding.dst_multibyte = 1; - /* The input is converted to events, thus we can't - handle composition. Anyway, there's no XIM that - gives us composition information. */ - coding.composing = COMPOSITION_DISABLED; - - for (i = 0; i < nbytes; i++) + for (i = 0, nchars = 0; i < nbytes; i++) { + if (ASCII_BYTE_P (copy_bufptr[i])) + nchars++; STORE_KEYSYM_FOR_DEBUG (copy_bufptr[i]); } - { - /* Decode the input data. */ - int require; - unsigned char *p; - - require = decoding_buffer_size (&coding, nbytes); - p = (unsigned char *) alloca (require); - coding.mode |= CODING_MODE_LAST_BLOCK; - /* We explicitly disable composition handling because - key data should not contain any composition sequence. */ - coding.composing = COMPOSITION_DISABLED; - decode_coding (&coding, copy_bufptr, p, nbytes, require); - nbytes = coding.produced; - nchars = coding.produced_char; - copy_bufptr = p; - } + if (nchars < nbytes) + { + /* Decode the input data. */ + int require; + unsigned char *p; + + /* The input should be decoded with `coding_system' + which depends on which X*LookupString function + we used just above and the locale. */ + setup_coding_system (coding_system, &coding); + coding.src_multibyte = 0; + coding.dst_multibyte = 1; + /* The input is converted to events, thus we can't + handle composition. Anyway, there's no XIM that + gives us composition information. */ + coding.common_flags &= ~CODING_ANNOTATION_MASK; + + require = MAX_MULTIBYTE_LENGTH * nbytes; + coding.destination = alloca (require); + coding.dst_bytes = require; + coding.mode |= CODING_MODE_LAST_BLOCK; + decode_coding_c_string (&coding, copy_bufptr, nbytes, Qnil); + nbytes = coding.produced; + nchars = coding.produced_char; + copy_bufptr = coding.destination; + } /* Convert the input data to a sequence of character events. */ @@ -7886,11 +8106,16 @@ x_new_font (f, fontname) register char *fontname; { struct font_info *fontp - = FS_LOAD_FONT (f, 0, fontname, -1); + = FS_LOAD_FONT (f, fontname); if (!fontp) return Qnil; + if (FRAME_FONT (f) == (XFontStruct *) (fontp->font)) + /* This font is already set in frame F. There's nothing more to + do. */ + return build_string (fontp->full_name); + FRAME_FONT (f) = (XFontStruct *) (fontp->font); FRAME_BASELINE_OFFSET (f) = fontp->baseline_offset; FRAME_FONTSET (f) = -1; @@ -7934,33 +8159,45 @@ x_new_font (f, fontname) return build_string (fontp->full_name); } -/* Give frame F the fontset named FONTSETNAME as its default font, and - return the full name of that fontset. FONTSETNAME may be a wildcard - pattern; in that case, we choose some fontset that fits the pattern. - The return value shows which fontset we chose. */ +/* Give frame F the fontset named FONTSETNAME as its default fontset, + and return the full name of that fontset. FONTSETNAME may be a + wildcard pattern; in that case, we choose some fontset that fits + the pattern. FONTSETNAME may be a font name for ASCII characters; + in that case, we create a fontset from that font name. + + The return value shows which fontset we chose. + If FONTSETNAME specifies the default fontset, return Qt. + If an ASCII font in the specified fontset can't be loaded, return + Qnil. */ Lisp_Object x_new_fontset (f, fontsetname) struct frame *f; - char *fontsetname; + Lisp_Object fontsetname; { - int fontset = fs_query_fontset (build_string (fontsetname), 0); + int fontset = fs_query_fontset (fontsetname, 0); Lisp_Object result; - if (fontset < 0) - return Qnil; - - if (FRAME_FONTSET (f) == fontset) + if (fontset > 0 && f->output_data.x->fontset == fontset) /* This fontset is already set in frame F. There's nothing more to do. */ return fontset_name (fontset); + else if (fontset == 0) + /* The default fontset can't be the default font. */ + return Qt; - result = x_new_font (f, (SDATA (fontset_ascii (fontset)))); + if (fontset > 0) + result = x_new_font (f, (SDATA (fontset_ascii (fontset)))); + else + result = x_new_font (f, SDATA (fontsetname)); if (!STRINGP (result)) /* Can't load ASCII font. */ return Qnil; + if (fontset < 0) + fontset = new_fontset_from_font_name (result); + /* Since x_new_font doesn't update any fontset information, do it now. */ FRAME_FONTSET (f) = fontset; @@ -7970,9 +8207,71 @@ x_new_fontset (f, fontsetname) xic_set_xfontset (f, SDATA (fontset_ascii (fontset))); #endif - return build_string (fontsetname); + return fontset_name (fontset); } +#ifdef USE_FONT_BACKEND +Lisp_Object +x_new_fontset2 (f, fontset, font_object) + struct frame *f; + int fontset; + Lisp_Object font_object; +{ + struct font *font = XSAVE_VALUE (font_object)->pointer; + + if (FRAME_FONT_OBJECT (f) == font) + /* This font is already set in frame F. There's nothing more to + do. */ + return fontset_name (fontset); + + BLOCK_INPUT; + + FRAME_FONT_OBJECT (f) = font; + FRAME_FONT (f) = font->font.font; + FRAME_BASELINE_OFFSET (f) = font->font.baseline_offset; + FRAME_FONTSET (f) = fontset; + + FRAME_COLUMN_WIDTH (f) = font->font.average_width; + FRAME_SPACE_WIDTH (f) = font->font.space_width; + FRAME_LINE_HEIGHT (f) = font->font.height; + + compute_fringe_widths (f, 1); + + /* Compute the scroll bar width in character columns. */ + if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0) + { + int wid = FRAME_COLUMN_WIDTH (f); + FRAME_CONFIG_SCROLL_BAR_COLS (f) + = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid; + } + else + { + int wid = FRAME_COLUMN_WIDTH (f); + FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; + } + + /* Now make the frame display the given font. */ + if (FRAME_X_WINDOW (f) != 0) + { + /* Don't change the size of a tip frame; there's no point in + doing it because it's done in Fx_show_tip, and it leads to + problems because the tip frame has no widget. */ + if (NILP (tip_frame) || XFRAME (tip_frame) != f) + x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f)); + } + +#ifdef HAVE_X_I18N + if (FRAME_XIC (f) + && (FRAME_XIC_STYLE (f) & (XIMPreeditPosition | XIMStatusArea))) + xic_set_xfontset (f, SDATA (fontset_ascii (fontset))); +#endif + + UNBLOCK_INPUT; + + return fontset_name (fontset); +} +#endif /* USE_FONT_BACKEND */ + /*********************************************************************** X Input Methods @@ -9263,6 +9562,15 @@ x_free_frame_resources (f) commands to the X server. */ if (dpyinfo->display) { +#ifdef USE_FONT_BACKEND + /* We must free faces before destroying windows because some + font-driver (e.g. xft) access a window while finishing a + face. */ + if (enable_font_backend + && FRAME_FACE_CACHE (f)) + free_frame_faces (f); +#endif /* USE_FONT_BACKEND */ + if (f->output_data.x->icon_desc) XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); @@ -9657,7 +9965,7 @@ x_get_font_info (f, font_idx) If SIZE is > 0, it is the size (maximum bounds width) of fonts to be listed. - SIZE < 0 means include scalable fonts. + SIZE < 0 means include auto scaled fonts. Frame F null means we have not yet created any frame on X, and consult the first display in x_display_list. MAXNAMES sets a limit @@ -10130,6 +10438,7 @@ x_load_font (f, fontname, size) bzero (fontp, sizeof (*fontp)); fontp->font = font; fontp->font_idx = i; + fontp->charset = -1; /* fs_load_font sets it. */ fontp->name = (char *) xmalloc (strlen (fontname) + 1); bcopy (fontname, fontp->name, strlen (fontname) + 1); @@ -10241,10 +10550,10 @@ x_load_font (f, fontname, size) the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, 2:0xA020..0xFF7F). For the moment, we don't know which charset - uses this font. So, we set information in fontp->encoding[1] + uses this font. So, we set information in fontp->encoding_type which is never used by any charset. If mapping can't be decided, set FONT_ENCODING_NOT_DECIDED. */ - fontp->encoding[1] + fontp->encoding_type = (font->max_byte1 == 0 /* 1-byte font */ ? (font->min_char_or_byte2 < 0x80 @@ -10344,6 +10653,160 @@ x_find_ccl_program (fontp) } +/* Return a char-table whose elements are t if the font FONT_INFO + contains a glyph for the corresponding character, and nil if + not. */ + +Lisp_Object +x_get_font_repertory (f, font_info) + FRAME_PTR f; + struct font_info *font_info; +{ + XFontStruct *font = (XFontStruct *) font_info->font; + Lisp_Object table; + int min_byte1, max_byte1, min_byte2, max_byte2; + int c; + struct charset *charset = CHARSET_FROM_ID (font_info->charset); + int offset = CHARSET_OFFSET (charset); + + table = Fmake_char_table (Qnil, Qnil); + + min_byte1 = font->min_byte1; + max_byte1 = font->max_byte1; + min_byte2 = font->min_char_or_byte2; + max_byte2 = font->max_char_or_byte2; + if (min_byte1 == 0 && max_byte1 == 0) + { + if (! font->per_char || font->all_chars_exist == True) + { + if (offset >= 0) + char_table_set_range (table, offset + min_byte2, + offset + max_byte2, Qt); + else + for (; min_byte2 <= max_byte2; min_byte2++) + { + c = DECODE_CHAR (charset, min_byte2); + CHAR_TABLE_SET (table, c, Qt); + } + } + else + { + XCharStruct *pcm = font->per_char; + int from = -1; + int i; + + for (i = min_byte2; i <= max_byte2; i++, pcm++) + { + if (pcm->width == 0 && pcm->rbearing == pcm->lbearing) + { + if (from >= 0) + { + if (offset >= 0) + char_table_set_range (table, offset + from, + offset + i - 1, Qt); + else + for (; from < i; from++) + { + c = DECODE_CHAR (charset, from); + CHAR_TABLE_SET (table, c, Qt); + } + from = -1; + } + } + else if (from < 0) + from = i; + } + if (from >= 0) + { + if (offset >= 0) + char_table_set_range (table, offset + from, offset + i - 1, + Qt); + else + for (; from < i; from++) + { + c = DECODE_CHAR (charset, from); + CHAR_TABLE_SET (table, c, Qt); + } + } + } + } + else + { + if (! font->per_char || font->all_chars_exist == True) + { + int i, j; + + if (offset >= 0) + for (i = min_byte1; i <= max_byte1; i++) + char_table_set_range + (table, offset + ((i << 8) | min_byte2), + offset + ((i << 8) | max_byte2), Qt); + else + for (i = min_byte1; i <= max_byte1; i++) + for (j = min_byte2; j <= max_byte2; j++) + { + unsigned code = (i << 8) | j; + c = DECODE_CHAR (charset, code); + CHAR_TABLE_SET (table, c, Qt); + } + } + else + { + XCharStruct *pcm = font->per_char; + int i; + + for (i = min_byte1; i <= max_byte1; i++) + { + int from = -1; + int j; + + for (j = min_byte2; j <= max_byte2; j++, pcm++) + { + if (pcm->width == 0 && pcm->rbearing == pcm->lbearing) + { + if (from >= 0) + { + if (offset >= 0) + char_table_set_range + (table, offset + ((i << 8) | from), + offset + ((i << 8) | (j - 1)), Qt); + else + { + for (; from < j; from++) + { + unsigned code = (i << 8) | from; + c = ENCODE_CHAR (charset, code); + CHAR_TABLE_SET (table, c, Qt); + } + } + from = -1; + } + } + else if (from < 0) + from = j; + } + if (from >= 0) + { + if (offset >= 0) + char_table_set_range + (table, offset + ((i << 8) | from), + offset + ((i << 8) | (j - 1)), Qt); + else + { + for (; from < j; from++) + { + unsigned code = (i << 8) | from; + c = DECODE_CHAR (charset, code); + CHAR_TABLE_SET (table, c, Qt); + } + } + } + } + } + } + + return table; +} /*********************************************************************** Initialization @@ -11232,8 +11695,6 @@ syms_of_xterm () staticpro (&Qvendor_specific_keysyms); Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); - staticpro (&Qutf_8); - Qutf_8 = intern ("utf-8"); staticpro (&Qlatin_1); Qlatin_1 = intern ("latin-1"); |