Add Xft and follback-fonts support to graphics lib
This commit is contained in:
Eric Pruitt
Anselm R Garbe
parent
35db6d8afc
commit
14343e69cc
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@ -1,7 +1,12 @@
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/* See LICENSE file for copyright and license details. */
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/* appearance */
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static const char font[] = "-*-terminus-medium-r-*-*-16-*-*-*-*-*-*-*";
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static const char *fonts[] = {
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"Sans:size=10.5",
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"VL Gothic:size=10.5",
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"WenQuanYi Micro Hei:size=10.5",
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};
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static const char dmenufont[] = "-*-terminus-medium-r-*-*-16-*-*-*-*-*-*-*";
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static const char normbordercolor[] = "#444444";
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static const char normbgcolor[] = "#222222";
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static const char normfgcolor[] = "#bbbbbb";
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@ -51,7 +56,7 @@ static const Layout layouts[] = {
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/* commands */
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static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
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static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", font, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbgcolor, "-sf", selfgcolor, NULL };
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static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbgcolor, "-sf", selfgcolor, NULL };
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static const char *termcmd[] = { "st", NULL };
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static Key keys[] = {
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@ -15,8 +15,8 @@ XINERAMALIBS = -lXinerama
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XINERAMAFLAGS = -DXINERAMA
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# includes and libs
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INCS = -I${X11INC}
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LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS}
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INCS = -I${X11INC} -I/usr/include/freetype2
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LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} -lfontconfig -lXft
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# flags
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CPPFLAGS = -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
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337
drw.c
337
drw.c
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@ -3,10 +3,59 @@
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xft/Xft.h>
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#include "drw.h"
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#include "util.h"
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#define UTF_INVALID 0xFFFD
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#define UTF_SIZ 4
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static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
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static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
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static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
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static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
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static long
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utf8decodebyte(const char c, size_t *i) {
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for(*i = 0; *i < (UTF_SIZ + 1); ++(*i))
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if(((unsigned char)c & utfmask[*i]) == utfbyte[*i])
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return (unsigned char)c & ~utfmask[*i];
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return 0;
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}
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static size_t
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utf8validate(long *u, size_t i) {
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if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
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*u = UTF_INVALID;
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for(i = 1; *u > utfmax[i]; ++i)
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;
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return i;
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}
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static size_t
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utf8decode(const char *c, long *u, size_t clen) {
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size_t i, j, len, type;
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long udecoded;
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*u = UTF_INVALID;
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if(!clen)
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return 0;
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udecoded = utf8decodebyte(c[0], &len);
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if(!BETWEEN(len, 1, UTF_SIZ))
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return 1;
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for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
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udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
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if(type != 0)
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return j;
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}
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if(j < len)
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return 0;
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*u = udecoded;
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utf8validate(u, len);
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return len;
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}
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Drw *
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drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h) {
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Drw *drw = (Drw *)calloc(1, sizeof(Drw));
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@ -19,6 +68,7 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
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drw->h = h;
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drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
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drw->gc = XCreateGC(dpy, root, 0, NULL);
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drw->fontcount = 0;
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XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
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return drw;
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}
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@ -36,56 +86,88 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h) {
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void
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drw_free(Drw *drw) {
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size_t i;
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for (i = 0; i < drw->fontcount; i++) {
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drw_font_free(drw->fonts[i]);
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}
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XFreePixmap(drw->dpy, drw->drawable);
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XFreeGC(drw->dpy, drw->gc);
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free(drw);
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}
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Fnt *
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drw_font_create(Display *dpy, const char *fontname) {
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/* This function is an implementation detail. Library users should use
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* drw_font_create instead.
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*/
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static Fnt *
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drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern) {
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Fnt *font;
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char *def, **missing;
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int n;
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font = (Fnt *)calloc(1, sizeof(Fnt));
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if(!font)
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if (!(fontname || fontpattern))
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die("No font specified.\n");
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if (!(font = (Fnt *)calloc(1, sizeof(Fnt))))
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return NULL;
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font->set = XCreateFontSet(dpy, fontname, &missing, &n, &def);
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if(missing) {
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while(n--)
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fprintf(stderr, "drw: missing fontset: %s\n", missing[n]);
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XFreeStringList(missing);
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if (fontname) {
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/* Using the pattern found at font->xfont->pattern does not yield same
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* the same substitution results as using the pattern returned by
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* FcNameParse; using the latter results in the desired fallback
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* behaviour whereas the former just results in
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* missing-character-rectangles being drawn, at least with some fonts.
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*/
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if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) ||
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!(font->pattern = FcNameParse((FcChar8 *) fontname))) {
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if (font->xfont) {
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XftFontClose(drw->dpy, font->xfont);
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font->xfont = NULL;
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}
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if(font->set) {
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XFontStruct **xfonts;
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char **font_names;
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XExtentsOfFontSet(font->set);
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n = XFontsOfFontSet(font->set, &xfonts, &font_names);
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while(n--) {
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font->ascent = MAX(font->ascent, (*xfonts)->ascent);
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font->descent = MAX(font->descent,(*xfonts)->descent);
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xfonts++;
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fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
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}
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} else if (fontpattern) {
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if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
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fprintf(stderr, "error, cannot load font pattern.\n");
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} else {
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font->pattern = NULL;
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}
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}
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else {
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if(!(font->xfont = XLoadQueryFont(dpy, fontname))
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&& !(font->xfont = XLoadQueryFont(dpy, "fixed")))
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die("error, cannot load font: '%s'\n", fontname);
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if (!font->xfont) {
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free(font);
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return NULL;
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}
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font->ascent = font->xfont->ascent;
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font->descent = font->xfont->descent;
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}
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font->h = font->ascent + font->descent;
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font->dpy = drw->dpy;
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return font;
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}
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Fnt*
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drw_font_create(Drw *drw, const char *fontname) {
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return drw_font_xcreate(drw, fontname, NULL);
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}
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void
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drw_font_free(Display *dpy, Fnt *font) {
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drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount) {
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size_t i;
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Fnt *font;
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for (i = 0; i < fontcount; i++) {
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if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
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die("Font cache exhausted.\n");
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} else if ((font = drw_font_xcreate(drw, fonts[i], NULL))) {
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drw->fonts[drw->fontcount++] = font;
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}
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}
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}
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void
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drw_font_free(Fnt *font) {
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if(!font)
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return;
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if(font->set)
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XFreeFontSet(dpy, font->set);
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else
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XFreeFont(dpy, font->xfont);
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if(font->pattern)
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FcPatternDestroy(font->pattern);
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XftFontClose(font->dpy, font->xfont);
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free(font);
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}
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@ -93,7 +175,7 @@ Clr *
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drw_clr_create(Drw *drw, const char *clrname) {
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Clr *clr;
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Colormap cmap;
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XColor color;
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Visual *vis;
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if(!drw)
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return NULL;
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@ -101,9 +183,10 @@ drw_clr_create(Drw *drw, const char *clrname) {
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if(!clr)
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return NULL;
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cmap = DefaultColormap(drw->dpy, drw->screen);
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if(!XAllocNamedColor(drw->dpy, cmap, clrname, &color, &color))
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vis = DefaultVisual(drw->dpy, drw->screen);
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if(!XftColorAllocName(drw->dpy, vis, cmap, clrname, &clr->rgb))
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die("error, cannot allocate color '%s'\n", clrname);
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clr->rgb = color.pixel;
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clr->pix = clr->rgb.pixel;
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return clr;
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}
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@ -113,12 +196,6 @@ drw_clr_free(Clr *clr) {
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free(clr);
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}
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void
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drw_setfont(Drw *drw, Fnt *font) {
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if(drw)
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drw->font = font;
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}
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void
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drw_setscheme(Drw *drw, ClrScheme *scheme) {
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if(drw && scheme)
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@ -129,46 +206,160 @@ void
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drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert) {
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int dx;
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if(!drw || !drw->font || !drw->scheme)
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if(!drw || !drw->fontcount || !drw->scheme)
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return;
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->rgb : drw->scheme->fg->rgb);
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dx = (drw->font->ascent + drw->font->descent + 2) / 4;
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix);
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dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4;
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if(filled)
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx+1, dx+1);
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else if(empty)
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XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx, dx);
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}
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void
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int
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drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert) {
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char buf[256];
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int i, tx, ty, th, len, olen;
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char buf[1024];
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int tx, ty, th;
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Extnts tex;
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Colormap cmap;
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Visual *vis;
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XftDraw *d;
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Fnt *curfont, *nextfont;
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size_t i, len;
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int utf8strlen, utf8charlen, render;
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long utf8codepoint = 0;
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const char *utf8str;
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FcCharSet *fccharset;
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FcPattern *fcpattern;
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FcPattern *match;
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XftResult result;
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int charexists = 0;
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if(!drw || !drw->scheme)
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return;
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->rgb : drw->scheme->bg->rgb);
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if (!(render = x || y || w || h)) {
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w = ~w;
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}
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if (!drw || !drw->scheme) {
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return 0;
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} else if (render) {
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->pix : drw->scheme->bg->pix);
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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if(!text || !drw->font)
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return;
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olen = strlen(text);
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drw_font_getexts(drw->font, text, olen, &tex);
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th = drw->font->ascent + drw->font->descent;
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ty = y + (h / 2) - (th / 2) + drw->font->ascent;
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tx = x + (h / 2);
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}
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if (!text || !drw->fontcount) {
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return 0;
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} else if (render) {
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cmap = DefaultColormap(drw->dpy, drw->screen);
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vis = DefaultVisual(drw->dpy, drw->screen);
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d = XftDrawCreate(drw->dpy, drw->drawable, vis, cmap);
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}
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curfont = drw->fonts[0];
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while (1) {
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utf8strlen = 0;
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utf8str = text;
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nextfont = NULL;
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while (*text) {
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utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
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for (i = 0; i < drw->fontcount; i++) {
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charexists = charexists || XftCharExists(drw->dpy, drw->fonts[i]->xfont, utf8codepoint);
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if (charexists) {
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if (drw->fonts[i] == curfont) {
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utf8strlen += utf8charlen;
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text += utf8charlen;
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} else {
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nextfont = drw->fonts[i];
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}
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break;
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}
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}
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if (!charexists || (nextfont && nextfont != curfont)) {
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break;
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} else {
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charexists = 0;
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}
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}
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if (utf8strlen) {
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drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
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/* shorten text if necessary */
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for(len = MIN(olen, sizeof buf); len && (tex.w > w - tex.h || w < tex.h); len--)
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drw_font_getexts(drw->font, text, len, &tex);
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if(!len)
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return;
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memcpy(buf, text, len);
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if(len < olen)
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for(len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
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drw_font_getexts(curfont, utf8str, len, &tex);
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if (len) {
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memcpy(buf, utf8str, len);
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buf[len] = '\0';
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if(len < utf8strlen)
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for(i = len; i && i > len - 3; buf[--i] = '.');
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->rgb : drw->scheme->fg->rgb);
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if(drw->font->set)
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XmbDrawString(drw->dpy, drw->drawable, drw->font->set, drw->gc, tx, ty, buf, len);
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else
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XDrawString(drw->dpy, drw->drawable, drw->gc, tx, ty, buf, len);
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if (render) {
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th = curfont->ascent + curfont->descent;
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ty = y + (h / 2) - (th / 2) + curfont->ascent;
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tx = x + (h / 2);
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XftDrawStringUtf8(d, invert ? &drw->scheme->bg->rgb : &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
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}
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x += tex.w;
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w -= tex.w;
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}
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}
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if (!*text) {
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break;
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} else if (nextfont) {
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charexists = 0;
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curfont = nextfont;
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} else {
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/* Regardless of whether or not a fallback font is found, the
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* character must be drawn.
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*/
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charexists = 1;
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if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
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continue;
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}
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fccharset = FcCharSetCreate();
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FcCharSetAddChar(fccharset, utf8codepoint);
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if (!drw->fonts[0]->pattern) {
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/* Refer to the comment in drw_font_xcreate for more
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* information.
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*/
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die("The first font in the cache must be loaded from a font string.\n");
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}
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fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
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FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
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FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
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FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
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FcDefaultSubstitute(fcpattern);
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match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
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FcCharSetDestroy(fccharset);
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FcPatternDestroy(fcpattern);
|
||||
|
||||
if (match) {
|
||||
curfont = drw_font_xcreate(drw, NULL, match);
|
||||
if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
|
||||
drw->fonts[drw->fontcount++] = curfont;
|
||||
} else {
|
||||
if (curfont) {
|
||||
drw_font_free(curfont);
|
||||
}
|
||||
curfont = drw->fonts[0];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (render) {
|
||||
XftDrawDestroy(d);
|
||||
}
|
||||
|
||||
return x;
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -182,19 +373,13 @@ drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) {
|
|||
|
||||
void
|
||||
drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex) {
|
||||
XRectangle r;
|
||||
XGlyphInfo ext;
|
||||
|
||||
if(!font || !text)
|
||||
return;
|
||||
if(font->set) {
|
||||
XmbTextExtents(font->set, text, len, NULL, &r);
|
||||
tex->w = r.width;
|
||||
tex->h = r.height;
|
||||
}
|
||||
else {
|
||||
tex->h = font->ascent + font->descent;
|
||||
tex->w = XTextWidth(font->xfont, text, len);
|
||||
}
|
||||
XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
|
||||
tex->h = font->h;
|
||||
tex->w = ext.xOff;
|
||||
}
|
||||
|
||||
unsigned int
|
||||
|
|
|
|||
19
drw.h
19
drw.h
|
|
@ -1,7 +1,9 @@
|
|||
/* See LICENSE file for copyright and license details. */
|
||||
#define DRW_FONT_CACHE_SIZE 32
|
||||
|
||||
typedef struct {
|
||||
unsigned long rgb;
|
||||
unsigned long pix;
|
||||
XftColor rgb;
|
||||
} Clr;
|
||||
|
||||
typedef struct {
|
||||
|
|
@ -9,11 +11,12 @@ typedef struct {
|
|||
} Cur;
|
||||
|
||||
typedef struct {
|
||||
Display *dpy;
|
||||
int ascent;
|
||||
int descent;
|
||||
unsigned int h;
|
||||
XFontSet set;
|
||||
XFontStruct *xfont;
|
||||
XftFont *xfont;
|
||||
FcPattern *pattern;
|
||||
} Fnt;
|
||||
|
||||
typedef struct {
|
||||
|
|
@ -30,7 +33,8 @@ typedef struct {
|
|||
Drawable drawable;
|
||||
GC gc;
|
||||
ClrScheme *scheme;
|
||||
Fnt *font;
|
||||
size_t fontcount;
|
||||
Fnt *fonts[DRW_FONT_CACHE_SIZE];
|
||||
} Drw;
|
||||
|
||||
typedef struct {
|
||||
|
|
@ -44,8 +48,9 @@ void drw_resize(Drw *drw, unsigned int w, unsigned int h);
|
|||
void drw_free(Drw *drw);
|
||||
|
||||
/* Fnt abstraction */
|
||||
Fnt *drw_font_create(Display *dpy, const char *fontname);
|
||||
void drw_font_free(Display *dpy, Fnt *font);
|
||||
Fnt *drw_font_create(Drw *drw, const char *fontname);
|
||||
void drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount);
|
||||
void drw_font_free(Fnt *font);
|
||||
void drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *extnts);
|
||||
unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int len);
|
||||
|
||||
|
|
@ -63,7 +68,7 @@ void drw_setscheme(Drw *drw, ClrScheme *scheme);
|
|||
|
||||
/* Drawing functions */
|
||||
void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert);
|
||||
void drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert);
|
||||
int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert);
|
||||
|
||||
/* Map functions */
|
||||
void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h);
|
||||
|
|
|
|||
20
dwm.c
20
dwm.c
|
|
@ -39,6 +39,7 @@
|
|||
#ifdef XINERAMA
|
||||
#include <X11/extensions/Xinerama.h>
|
||||
#endif /* XINERAMA */
|
||||
#include <X11/Xft/Xft.h>
|
||||
|
||||
#include "drw.h"
|
||||
#include "util.h"
|
||||
|
|
@ -54,7 +55,7 @@
|
|||
#define WIDTH(X) ((X)->w + 2 * (X)->bw)
|
||||
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
|
||||
#define TAGMASK ((1 << LENGTH(tags)) - 1)
|
||||
#define TEXTW(X) (drw_font_getexts_width(drw->font, X, strlen(X)) + drw->font->h)
|
||||
#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
|
||||
|
||||
/* enums */
|
||||
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
|
||||
|
|
@ -263,7 +264,6 @@ static Cur *cursor[CurLast];
|
|||
static ClrScheme scheme[SchemeLast];
|
||||
static Display *dpy;
|
||||
static Drw *drw;
|
||||
static Fnt *fnt;
|
||||
static Monitor *mons, *selmon;
|
||||
static Window root;
|
||||
|
||||
|
|
@ -474,7 +474,6 @@ cleanup(void) {
|
|||
drw_cur_free(drw, cursor[CurNormal]);
|
||||
drw_cur_free(drw, cursor[CurResize]);
|
||||
drw_cur_free(drw, cursor[CurMove]);
|
||||
drw_font_free(dpy, fnt);
|
||||
drw_clr_free(scheme[SchemeNorm].border);
|
||||
drw_clr_free(scheme[SchemeNorm].bg);
|
||||
drw_clr_free(scheme[SchemeNorm].fg);
|
||||
|
|
@ -792,7 +791,7 @@ focus(Client *c) {
|
|||
detachstack(c);
|
||||
attachstack(c);
|
||||
grabbuttons(c, True);
|
||||
XSetWindowBorder(dpy, c->win, scheme[SchemeSel].border->rgb);
|
||||
XSetWindowBorder(dpy, c->win, scheme[SchemeSel].border->pix);
|
||||
setfocus(c);
|
||||
}
|
||||
else {
|
||||
|
|
@ -1040,7 +1039,7 @@ manage(Window w, XWindowAttributes *wa) {
|
|||
|
||||
wc.border_width = c->bw;
|
||||
XConfigureWindow(dpy, w, CWBorderWidth, &wc);
|
||||
XSetWindowBorder(dpy, w, scheme[SchemeNorm].border->rgb);
|
||||
XSetWindowBorder(dpy, w, scheme[SchemeNorm].border->pix);
|
||||
configure(c); /* propagates border_width, if size doesn't change */
|
||||
updatewindowtype(c);
|
||||
updatesizehints(c);
|
||||
|
|
@ -1505,13 +1504,14 @@ setup(void) {
|
|||
|
||||
/* init screen */
|
||||
screen = DefaultScreen(dpy);
|
||||
root = RootWindow(dpy, screen);
|
||||
fnt = drw_font_create(dpy, font);
|
||||
sw = DisplayWidth(dpy, screen);
|
||||
sh = DisplayHeight(dpy, screen);
|
||||
bh = fnt->h + 2;
|
||||
root = RootWindow(dpy, screen);
|
||||
drw = drw_create(dpy, screen, root, sw, sh);
|
||||
drw_setfont(drw, fnt);
|
||||
drw_load_fonts(drw, fonts, LENGTH(fonts));
|
||||
if (!drw->fontcount)
|
||||
die("No fonts could be loaded.\n");
|
||||
bh = drw->fonts[0]->h + 2;
|
||||
updategeom();
|
||||
/* init atoms */
|
||||
wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
|
||||
|
|
@ -1685,7 +1685,7 @@ unfocus(Client *c, Bool setfocus) {
|
|||
if(!c)
|
||||
return;
|
||||
grabbuttons(c, False);
|
||||
XSetWindowBorder(dpy, c->win, scheme[SchemeNorm].border->rgb);
|
||||
XSetWindowBorder(dpy, c->win, scheme[SchemeNorm].border->pix);
|
||||
if(setfocus) {
|
||||
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
|
||||
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
|
||||
|
|
|
|||
Loading…
Reference in a new issue