- /* Fallback on font cache, search the font cache for match. */
- for (f = 0; f < frclen; f++) {
- glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
- /* Everything correct. */
- if (glyphidx && frc[f].flags == frcflags)
- break;
- /* We got a default font for a not found glyph. */
- if (!glyphidx && frc[f].flags == frcflags
- && frc[f].unicodep == rune) {
- break;
- }
- }
-
- /* Nothing was found. Use fontconfig to find matching font. */
- if (f >= frclen) {
- if (!font->set)
- font->set = FcFontSort(0, font->pattern,
- 1, 0, &fcres);
- fcsets[0] = font->set;
-
- /*
- * Nothing was found in the cache. Now use
- * some dozen of Fontconfig calls to get the
- * font for one single character.
- *
- * Xft and fontconfig are design failures.
- */
- fcpattern = FcPatternDuplicate(font->pattern);
- fccharset = FcCharSetCreate();
-
- FcCharSetAddChar(fccharset, rune);
- FcPatternAddCharSet(fcpattern, FC_CHARSET,
- fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(0, fcpattern,
- FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
-
- fontpattern = FcFontSetMatch(0, fcsets, 1,
- fcpattern, &fcres);
-
- /*
- * Overwrite or create the new cache entry.
- */
- if (frclen >= LEN(frc)) {
- frclen = LEN(frc) - 1;
- XftFontClose(xw.dpy, frc[frclen].font);
- frc[frclen].unicodep = 0;
- }
-
- frc[frclen].font = XftFontOpenPattern(xw.dpy,
- fontpattern);
- frc[frclen].flags = frcflags;
- frc[frclen].unicodep = rune;
-
- glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
- f = frclen;
- frclen++;
-
- FcPatternDestroy(fcpattern);
- FcCharSetDestroy(fccharset);
- }
-
- specs[numspecs].font = frc[f].font;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- }
-
- return numspecs;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
-{
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
- width = charlen * xw.cw;
- Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
- XRenderColor colfg, colbg;
- XRectangle r;
-
- /* Determine foreground and background colors based on mode. */
- if (base.fg == defaultfg) {
- if (base.mode & ATTR_ITALIC)
- base.fg = defaultitalic;
- else if ((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
- base.fg = defaultitalic;
- else if (base.mode & ATTR_UNDERLINE)
- base.fg = defaultunderline;
- }
-
- if (IS_TRUECOL(base.fg)) {
- colfg.alpha = 0xffff;
- colfg.red = TRUERED(base.fg);
- colfg.green = TRUEGREEN(base.fg);
- colfg.blue = TRUEBLUE(base.fg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
- fg = &truefg;
- } else {
- fg = &dc.col[base.fg];
- }
-
- if (IS_TRUECOL(base.bg)) {
- colbg.alpha = 0xffff;
- colbg.green = TRUEGREEN(base.bg);
- colbg.red = TRUERED(base.bg);
- colbg.blue = TRUEBLUE(base.bg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
- bg = &truebg;
- } else {
- bg = &dc.col[base.bg];
- }
-
- /* Change basic system colors [0-7] to bright system colors [8-15] */
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
- fg = &dc.col[base.fg + 8];
-
- if (IS_SET(MODE_REVERSE)) {
- if (fg == &dc.col[defaultfg]) {
- fg = &dc.col[defaultbg];
- } else {
- colfg.red = ~fg->color.red;
- colfg.green = ~fg->color.green;
- colfg.blue = ~fg->color.blue;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
- &revfg);
- fg = &revfg;
- }
-
- if (bg == &dc.col[defaultbg]) {
- bg = &dc.col[defaultfg];
- } else {
- colbg.red = ~bg->color.red;
- colbg.green = ~bg->color.green;
- colbg.blue = ~bg->color.blue;
- colbg.alpha = bg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
- &revbg);
- bg = &revbg;
- }
- }
-
- if (base.mode & ATTR_REVERSE) {
- temp = fg;
- fg = bg;
- bg = temp;
- }
-
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
- colfg.red = fg->color.red / 2;
- colfg.green = fg->color.green / 2;
- colfg.blue = fg->color.blue / 2;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
- fg = &revfg;
- }
-
- if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
- fg = bg;
-
- if (base.mode & ATTR_INVISIBLE)
- fg = bg;
-
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, borderpx,
- winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
- }
- if (x + charlen >= term.col) {
- xclear(winx + width, (y == 0)? 0 : winy, xw.w,
- ((y >= term.row-1)? xw.h : (winy + xw.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, borderpx);
- if (y == term.row-1)
- xclear(winx, winy + xw.ch, winx + width, xw.h);
-
- /* Clean up the region we want to draw to. */
- XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
-
- /* Set the clip region because Xft is sometimes dirty. */
- r.x = 0;
- r.y = 0;
- r.height = xw.ch;
- r.width = width;
- XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
-
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
- width, 1);
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
- width, 1);
- }
-
- /* Reset clip to none. */
- XftDrawSetClip(xw.draw, 0);
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
- int numspecs;
- XftGlyphFontSpec spec;
-
- numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y);
-}
-
-void
-xdrawcursor(void)
-{
- static int oldx = 0, oldy = 0;
- int curx;
- Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
- int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
- Color drawcol;
-
- LIMIT(oldx, 0, term.col-1);
- LIMIT(oldy, 0, term.row-1);
-
- curx = term.c.x;
-
- /* adjust position if in dummy */
- if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
- oldx--;
- if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
- curx--;
-
- /* remove the old cursor */
- og = term.line[oldy][oldx];
- if (ena_sel && selected(oldx, oldy))
- og.mode ^= ATTR_REVERSE;
- xdrawglyph(og, oldx, oldy);
-
- g.u = term.line[term.c.y][term.c.x].u;