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-rw-r--r--dwm/drw.c772
1 files changed, 406 insertions, 366 deletions
diff --git a/dwm/drw.c b/dwm/drw.c
index a450078..ffe9c3f 100644
--- a/dwm/drw.c
+++ b/dwm/drw.c
@@ -1,431 +1,471 @@
/* See LICENSE file for copyright and license details. */
-#include <X11/Xft/Xft.h>
-#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xft/Xft.h>
#include "drw.h"
#include "util.h"
#define UTF_INVALID 0xFFFD
-#define UTF_SIZ 4
-
-static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
-static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0,
- 0xF8};
-static const long utfmin[UTF_SIZ + 1] = {0, 0, 0x80, 0x800, 0x10000};
-static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF,
- 0x10FFFF};
-
-static long utf8decodebyte(const char c, size_t *i) {
- for (*i = 0; *i < (UTF_SIZ + 1); ++(*i))
- if (((unsigned char)c & utfmask[*i]) == utfbyte[*i])
- return (unsigned char)c & ~utfmask[*i];
- return 0;
-}
-
-static size_t utf8validate(long *u, size_t i) {
- if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
- *u = UTF_INVALID;
- for (i = 1; *u > utfmax[i]; ++i)
- ;
- return i;
-}
-static size_t utf8decode(const char *c, long *u, size_t clen) {
- size_t i, j, len, type;
- long udecoded;
-
- *u = UTF_INVALID;
- if (!clen)
- return 0;
- udecoded = utf8decodebyte(c[0], &len);
- if (!BETWEEN(len, 1, UTF_SIZ))
- return 1;
- for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
- udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
- if (type)
- return j;
- }
- if (j < len)
- return 0;
- *u = udecoded;
- utf8validate(u, len);
-
- return len;
+static int
+utf8decode(const char *s_in, long *u, int *err)
+{
+ static const unsigned char lens[] = {
+ /* 0XXXX */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 10XXX */ 0, 0, 0, 0, 0, 0, 0, 0, /* invalid */
+ /* 110XX */ 2, 2, 2, 2,
+ /* 1110X */ 3, 3,
+ /* 11110 */ 4,
+ /* 11111 */ 0, /* invalid */
+ };
+ static const unsigned char leading_mask[] = { 0x7F, 0x1F, 0x0F, 0x07 };
+ static const unsigned int overlong[] = { 0x0, 0x80, 0x0800, 0x10000 };
+
+ const unsigned char *s = (const unsigned char *)s_in;
+ int len = lens[*s >> 3];
+ *u = UTF_INVALID;
+ *err = 1;
+ if (len == 0)
+ return 1;
+
+ long cp = s[0] & leading_mask[len - 1];
+ for (int i = 1; i < len; ++i) {
+ if (s[i] == '\0' || (s[i] & 0xC0) != 0x80)
+ return i;
+ cp = (cp << 6) | (s[i] & 0x3F);
+ }
+ /* out of range, surrogate, overlong encoding */
+ if (cp > 0x10FFFF || (cp >> 11) == 0x1B || cp < overlong[len - 1])
+ return len;
+
+ *err = 0;
+ *u = cp;
+ return len;
}
-Drw *drw_create(Display *dpy, int screen, Window root, unsigned int w,
- unsigned int h, Visual *visual, unsigned int depth,
- Colormap cmap) {
- Drw *drw = ecalloc(1, sizeof(Drw));
-
- drw->dpy = dpy;
- drw->screen = screen;
- drw->root = root;
- drw->w = w;
- drw->h = h;
- drw->visual = visual;
- drw->depth = depth;
- drw->cmap = cmap;
- drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
- drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
- XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
-
- return drw;
+Drw *
+drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap)
+{
+ Drw *drw = ecalloc(1, sizeof(Drw));
+
+ drw->dpy = dpy;
+ drw->screen = screen;
+ drw->root = root;
+ drw->w = w;
+ drw->h = h;
+ drw->visual = visual;
+ drw->depth = depth;
+ drw->cmap = cmap;
+ drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
+ drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
+ XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
+
+ return drw;
}
-void drw_resize(Drw *drw, unsigned int w, unsigned int h) {
- if (!drw)
- return;
-
- drw->w = w;
- drw->h = h;
- if (drw->drawable)
- XFreePixmap(drw->dpy, drw->drawable);
- drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
+void
+drw_resize(Drw *drw, unsigned int w, unsigned int h)
+{
+ if (!drw)
+ return;
+
+ drw->w = w;
+ drw->h = h;
+ if (drw->drawable)
+ XFreePixmap(drw->dpy, drw->drawable);
+ drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
}
-void drw_free(Drw *drw) {
- XFreePixmap(drw->dpy, drw->drawable);
- XFreeGC(drw->dpy, drw->gc);
- drw_fontset_free(drw->fonts);
- free(drw);
+void
+drw_free(Drw *drw)
+{
+ XFreePixmap(drw->dpy, drw->drawable);
+ XFreeGC(drw->dpy, drw->gc);
+ drw_fontset_free(drw->fonts);
+ free(drw);
}
/* This function is an implementation detail. Library users should use
* drw_fontset_create instead.
*/
-static Fnt *xfont_create(Drw *drw, const char *fontname,
- FcPattern *fontpattern) {
- Fnt *font;
- XftFont *xfont = NULL;
- FcPattern *pattern = NULL;
-
- if (fontname) {
- /* Using the pattern found at font->xfont->pattern does not yield the
- * same substitution results as using the pattern returned by
- * FcNameParse; using the latter results in the desired fallback
- * behaviour whereas the former just results in missing-character
- * rectangles being drawn, at least with some fonts. */
- if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
- fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname);
- return NULL;
- }
- if (!(pattern = FcNameParse((FcChar8 *)fontname))) {
- fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n",
- fontname);
- XftFontClose(drw->dpy, xfont);
- return NULL;
- }
- } else if (fontpattern) {
- if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
- fprintf(stderr, "error, cannot load font from pattern.\n");
- return NULL;
- }
- } else {
- die("no font specified.");
- }
-
- font = ecalloc(1, sizeof(Fnt));
- font->xfont = xfont;
- font->pattern = pattern;
- font->h = xfont->ascent + xfont->descent;
- font->dpy = drw->dpy;
-
- return font;
+static Fnt *
+xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern)
+{
+ Fnt *font;
+ XftFont *xfont = NULL;
+ FcPattern *pattern = NULL;
+
+ if (fontname) {
+ /* Using the pattern found at font->xfont->pattern does not yield the
+ * same substitution results as using the pattern returned by
+ * FcNameParse; using the latter results in the desired fallback
+ * behaviour whereas the former just results in missing-character
+ * rectangles being drawn, at least with some fonts. */
+ if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
+ fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname);
+ return NULL;
+ }
+ if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
+ fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n", fontname);
+ XftFontClose(drw->dpy, xfont);
+ return NULL;
+ }
+ } else if (fontpattern) {
+ if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
+ fprintf(stderr, "error, cannot load font from pattern.\n");
+ return NULL;
+ }
+ } else {
+ die("no font specified.");
+ }
+
+ font = ecalloc(1, sizeof(Fnt));
+ font->xfont = xfont;
+ font->pattern = pattern;
+ font->h = xfont->ascent + xfont->descent;
+ font->dpy = drw->dpy;
+
+ return font;
}
-static void xfont_free(Fnt *font) {
- if (!font)
- return;
- if (font->pattern)
- FcPatternDestroy(font->pattern);
- XftFontClose(font->dpy, font->xfont);
- free(font);
+static void
+xfont_free(Fnt *font)
+{
+ if (!font)
+ return;
+ if (font->pattern)
+ FcPatternDestroy(font->pattern);
+ XftFontClose(font->dpy, font->xfont);
+ free(font);
}
-Fnt *drw_fontset_create(Drw *drw, char *fonts[], size_t fontcount) {
- Fnt *cur, *ret = NULL;
- size_t i;
-
- if (!drw || !fonts)
- return NULL;
-
- for (i = 1; i <= fontcount; i++) {
- if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) {
- cur->next = ret;
- ret = cur;
- }
- }
- return (drw->fonts = ret);
+Fnt*
+drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount)
+{
+ Fnt *cur, *ret = NULL;
+ size_t i;
+
+ if (!drw || !fonts)
+ return NULL;
+
+ for (i = 1; i <= fontcount; i++) {
+ if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) {
+ cur->next = ret;
+ ret = cur;
+ }
+ }
+ return (drw->fonts = ret);
}
-void drw_fontset_free(Fnt *font) {
- if (font) {
- drw_fontset_free(font->next);
- xfont_free(font);
- }
+void
+drw_fontset_free(Fnt *font)
+{
+ if (font) {
+ drw_fontset_free(font->next);
+ xfont_free(font);
+ }
}
-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname,
- unsigned int alpha) {
- if (!drw || !dest || !clrname)
- return;
+void
+drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
+{
+ if (!drw || !dest || !clrname)
+ return;
- if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap, clrname, dest))
- die("error, cannot allocate color '%s'", clrname);
+ if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
+ clrname, dest))
+ die("error, cannot allocate color '%s'", clrname);
dest->pixel = (dest->pixel & 0x00ffffffU) | (alpha << 24);
}
/* Wrapper to create color schemes. The caller has to call free(3) on the
* returned color scheme when done using it. */
-Clr *drw_scm_create(Drw *drw, char *clrnames[], const unsigned int alphas[],
- size_t clrcount) {
- size_t i;
- Clr *ret;
-
- /* need at least two colors for a scheme */
- if (!drw || !clrnames || clrcount < 2 ||
- !(ret = ecalloc(clrcount, sizeof(XftColor))))
- return NULL;
-
- for (i = 0; i < clrcount; i++)
- drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
- return ret;
+Clr *
+drw_scm_create(Drw *drw, char *clrnames[], const unsigned int alphas[], size_t clrcount)
+{
+ size_t i;
+ Clr *ret;
+
+ /* need at least two colors for a scheme */
+ if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor))))
+ return NULL;
+
+ for (i = 0; i < clrcount; i++)
+ drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
+ return ret;
+}
+
+void
+drw_setfontset(Drw *drw, Fnt *set)
+{
+ if (drw)
+ drw->fonts = set;
}
-void drw_setfontset(Drw *drw, Fnt *set) {
- if (drw)
- drw->fonts = set;
+void
+drw_setscheme(Drw *drw, Clr *scm)
+{
+ if (drw)
+ drw->scheme = scm;
}
-void drw_setscheme(Drw *drw, Clr *scm) {
- if (drw)
- drw->scheme = scm;
+void
+drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert)
+{
+ if (!drw || !drw->scheme)
+ return;
+ XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel);
+ if (filled)
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+ else
+ XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1);
}
-void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h,
- int filled, int invert) {
- if (!drw || !drw->scheme)
- return;
- XSetForeground(drw->dpy, drw->gc,
- invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel);
- if (filled)
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
- else
- XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1);
+void
+drw_polygon(Drw *drw, int x, int y, int ow, int oh, int sw, int sh, const XPoint *points, int npoints, int shape, int filled) /* wrapper function to scale and draw a polygon with X11 */
+{
+ if (!drw || !drw->scheme)
+ return;
+ XSetForeground(drw->dpy, drw->gc, drw->scheme[ColFg].pixel);
+ if (!filled) { /* reduces the scaled width and height by 1 when drawing the outline to compensate for X11 drawing the line 1 pixel over */
+ sw -= 1;
+ sh -= 1;
+ }
+ XPoint scaledpoints[npoints];
+ memcpy(scaledpoints, points, npoints);
+ for (int v = 0; v < npoints; v++)
+ scaledpoints[v] = (XPoint){ .x = points[v].x * sw / ow + x, .y = points[v].y * sh / oh + y };
+ if (filled)
+ XFillPolygon(drw->dpy, drw->drawable, drw->gc, scaledpoints, npoints, shape, CoordModeOrigin); /* Change shape to 'Convex' or 'Complex' in dwm.c if the shape is not 'Nonconvex' */
+ else
+ XDrawLines(drw->dpy, drw->drawable, drw->gc, scaledpoints, npoints, CoordModeOrigin);
}
-int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h,
- unsigned int lpad, const char *text, int invert) {
- int i, ty, ellipsis_x = 0;
- unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len;
- XftDraw *d = NULL;
- Fnt *usedfont, *curfont, *nextfont;
- int utf8strlen, utf8charlen, render = x || y || w || h;
- long utf8codepoint = 0;
- const char *utf8str;
- FcCharSet *fccharset;
- FcPattern *fcpattern;
- FcPattern *match;
- XftResult result;
- int charexists = 0, overflow = 0;
- /* keep track of a couple codepoints for which we have no match. */
- enum { nomatches_len = 64 };
- static struct {
- long codepoint[nomatches_len];
- unsigned int idx;
- } nomatches;
- static unsigned int ellipsis_width = 0;
-
- if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
- return 0;
-
- if (!render) {
- w = invert ? invert : ~invert;
- } else {
- XSetForeground(drw->dpy, drw->gc,
- drw->scheme[invert ? ColFg : ColBg].pixel);
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
- d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
- x += lpad;
- w -= lpad;
- }
-
- usedfont = drw->fonts;
- if (!ellipsis_width && render)
- ellipsis_width = drw_fontset_getwidth(drw, "...");
- while (1) {
- ew = ellipsis_len = utf8strlen = 0;
- utf8str = text;
- nextfont = NULL;
- while (*text) {
- utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
- for (curfont = drw->fonts; curfont; curfont = curfont->next) {
- charexists = charexists ||
- XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
- if (charexists) {
- drw_font_getexts(curfont, text, utf8charlen, &tmpw, NULL);
- if (ew + ellipsis_width <= w) {
- /* keep track where the ellipsis still fits */
- ellipsis_x = x + ew;
- ellipsis_w = w - ew;
- ellipsis_len = utf8strlen;
- }
-
- if (ew + tmpw > w) {
- overflow = 1;
- /* called from drw_fontset_getwidth_clamp():
- * it wants the width AFTER the overflow
- */
- if (!render)
- x += tmpw;
- else
- utf8strlen = ellipsis_len;
- } else if (curfont == usedfont) {
- utf8strlen += utf8charlen;
- text += utf8charlen;
- ew += tmpw;
- } else {
- nextfont = curfont;
- }
- break;
- }
- }
-
- if (overflow || !charexists || nextfont)
- break;
- else
- charexists = 0;
- }
-
- if (utf8strlen) {
- if (render) {
- ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
- XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
- usedfont->xfont, x, ty, (XftChar8 *)utf8str,
- utf8strlen);
- }
- x += ew;
- w -= ew;
- }
- if (render && overflow)
- drw_text(drw, ellipsis_x, y, ellipsis_w, h, 0, "...", invert);
-
- if (!*text || overflow) {
- break;
- } else if (nextfont) {
- charexists = 0;
- usedfont = nextfont;
- } else {
- /* Regardless of whether or not a fallback font is found, the
- * character must be drawn. */
- charexists = 1;
-
- for (i = 0; i < nomatches_len; ++i) {
- /* avoid calling XftFontMatch if we know we won't find a match */
- if (utf8codepoint == nomatches.codepoint[i])
- goto no_match;
- }
-
- fccharset = FcCharSetCreate();
- FcCharSetAddChar(fccharset, utf8codepoint);
-
- if (!drw->fonts->pattern) {
- /* Refer to the comment in xfont_create for more information. */
- die("the first font in the cache must be loaded from a font string.");
- }
-
- fcpattern = FcPatternDuplicate(drw->fonts->pattern);
- FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
- FcPatternAddBool(fcpattern, FC_COLOR, FcFalse);
-
- FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
- match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
-
- FcCharSetDestroy(fccharset);
- FcPatternDestroy(fcpattern);
-
- if (match) {
- usedfont = xfont_create(drw, NULL, match);
- if (usedfont &&
- XftCharExists(drw->dpy, usedfont->xfont, utf8codepoint)) {
- for (curfont = drw->fonts; curfont->next; curfont = curfont->next)
- ; /* NOP */
- curfont->next = usedfont;
- } else {
- xfont_free(usedfont);
- nomatches.codepoint[++nomatches.idx % nomatches_len] = utf8codepoint;
- no_match:
- usedfont = drw->fonts;
- }
- }
- }
- }
- if (d)
- XftDrawDestroy(d);
-
- return x + (render ? w : 0);
+int
+drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert)
+{
+ int ty, ellipsis_x = 0;
+ unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len, hash, h0, h1;
+ XftDraw *d = NULL;
+ Fnt *usedfont, *curfont, *nextfont;
+ int utf8strlen, utf8charlen, utf8err, render = x || y || w || h;
+ long utf8codepoint = 0;
+ const char *utf8str;
+ FcCharSet *fccharset;
+ FcPattern *fcpattern;
+ FcPattern *match;
+ XftResult result;
+ int charexists = 0, overflow = 0;
+ /* keep track of a couple codepoints for which we have no match. */
+ static unsigned int nomatches[128], ellipsis_width, invalid_width;
+ static const char invalid[] = "�";
+
+ if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
+ return 0;
+
+ if (!render) {
+ w = invert ? invert : ~invert;
+ } else {
+ XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+ if (w < lpad)
+ return x + w;
+ d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
+ x += lpad;
+ w -= lpad;
+ }
+
+ usedfont = drw->fonts;
+ if (!ellipsis_width && render)
+ ellipsis_width = drw_fontset_getwidth(drw, "…");
+ if (!invalid_width && render)
+ invalid_width = drw_fontset_getwidth(drw, invalid);
+ while (1) {
+ ew = ellipsis_len = utf8err = utf8charlen = utf8strlen = 0;
+ utf8str = text;
+ nextfont = NULL;
+ while (*text) {
+ utf8charlen = utf8decode(text, &utf8codepoint, &utf8err);
+ for (curfont = drw->fonts; curfont; curfont = curfont->next) {
+ charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
+ if (charexists) {
+ drw_font_getexts(curfont, text, utf8charlen, &tmpw, NULL);
+ if (ew + ellipsis_width <= w) {
+ /* keep track where the ellipsis still fits */
+ ellipsis_x = x + ew;
+ ellipsis_w = w - ew;
+ ellipsis_len = utf8strlen;
+ }
+
+ if (ew + tmpw > w) {
+ overflow = 1;
+ /* called from drw_fontset_getwidth_clamp():
+ * it wants the width AFTER the overflow
+ */
+ if (!render)
+ x += tmpw;
+ else
+ utf8strlen = ellipsis_len;
+ } else if (curfont == usedfont) {
+ text += utf8charlen;
+ utf8strlen += utf8err ? 0 : utf8charlen;
+ ew += utf8err ? 0 : tmpw;
+ } else {
+ nextfont = curfont;
+ }
+ break;
+ }
+ }
+
+ if (overflow || !charexists || nextfont || utf8err)
+ break;
+ else
+ charexists = 0;
+ }
+
+ if (utf8strlen) {
+ if (render) {
+ ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
+ XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
+ usedfont->xfont, x, ty, (XftChar8 *)utf8str, utf8strlen);
+ }
+ x += ew;
+ w -= ew;
+ }
+ if (utf8err && (!render || invalid_width < w)) {
+ if (render)
+ drw_text(drw, x, y, w, h, 0, invalid, invert);
+ x += invalid_width;
+ w -= invalid_width;
+ }
+ if (render && overflow)
+ drw_text(drw, ellipsis_x, y, ellipsis_w, h, 0, "…", invert);
+
+ if (!*text || overflow) {
+ break;
+ } else if (nextfont) {
+ charexists = 0;
+ usedfont = nextfont;
+ } else {
+ /* Regardless of whether or not a fallback font is found, the
+ * character must be drawn. */
+ charexists = 1;
+
+ hash = (unsigned int)utf8codepoint;
+ hash = ((hash >> 16) ^ hash) * 0x21F0AAAD;
+ hash = ((hash >> 15) ^ hash) * 0xD35A2D97;
+ h0 = ((hash >> 15) ^ hash) % LENGTH(nomatches);
+ h1 = (hash >> 17) % LENGTH(nomatches);
+ /* avoid expensive XftFontMatch call when we know we won't find a match */
+ if (nomatches[h0] == utf8codepoint || nomatches[h1] == utf8codepoint)
+ goto no_match;
+
+ fccharset = FcCharSetCreate();
+ FcCharSetAddChar(fccharset, utf8codepoint);
+
+ if (!drw->fonts->pattern) {
+ /* Refer to the comment in xfont_create for more information. */
+ die("the first font in the cache must be loaded from a font string.");
+ }
+
+ fcpattern = FcPatternDuplicate(drw->fonts->pattern);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
+
+ FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+ match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
+
+ FcCharSetDestroy(fccharset);
+ FcPatternDestroy(fcpattern);
+
+ if (match) {
+ usedfont = xfont_create(drw, NULL, match);
+ if (usedfont && XftCharExists(drw->dpy, usedfont->xfont, utf8codepoint)) {
+ for (curfont = drw->fonts; curfont->next; curfont = curfont->next)
+ ; /* NOP */
+ curfont->next = usedfont;
+ } else {
+ xfont_free(usedfont);
+ nomatches[nomatches[h0] ? h1 : h0] = utf8codepoint;
+no_match:
+ usedfont = drw->fonts;
+ }
+ }
+ }
+ }
+ if (d)
+ XftDrawDestroy(d);
+
+ return x + (render ? w : 0);
}
-void drw_map(Drw *drw, Window win, int x, int y, unsigned int w,
- unsigned int h) {
- if (!drw)
- return;
+void
+drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
+{
+ if (!drw)
+ return;
- XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
- XSync(drw->dpy, False);
+ XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
+ XSync(drw->dpy, False);
}
-unsigned int drw_fontset_getwidth(Drw *drw, const char *text) {
- if (!drw || !drw->fonts || !text)
- return 0;
- return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
+unsigned int
+drw_fontset_getwidth(Drw *drw, const char *text)
+{
+ if (!drw || !drw->fonts || !text)
+ return 0;
+ return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
}
-unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text,
- unsigned int n) {
- unsigned int tmp = 0;
- if (drw && drw->fonts && text && n)
- tmp = drw_text(drw, 0, 0, 0, 0, 0, text, n);
- return MIN(n, tmp);
+unsigned int
+drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n)
+{
+ unsigned int tmp = 0;
+ if (drw && drw->fonts && text && n)
+ tmp = drw_text(drw, 0, 0, 0, 0, 0, text, n);
+ return MIN(n, tmp);
}
-void drw_font_getexts(Fnt *font, const char *text, unsigned int len,
- unsigned int *w, unsigned int *h) {
- XGlyphInfo ext;
+void
+drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h)
+{
+ XGlyphInfo ext;
- if (!font || !text)
- return;
+ if (!font || !text)
+ return;
- XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
- if (w)
- *w = ext.xOff;
- if (h)
- *h = font->h;
+ XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
+ if (w)
+ *w = ext.xOff;
+ if (h)
+ *h = font->h;
}
-Cur *drw_cur_create(Drw *drw, int shape) {
- Cur *cur;
+Cur *
+drw_cur_create(Drw *drw, int shape)
+{
+ Cur *cur;
- if (!drw || !(cur = ecalloc(1, sizeof(Cur))))
- return NULL;
+ if (!drw || !(cur = ecalloc(1, sizeof(Cur))))
+ return NULL;
- cur->cursor = XCreateFontCursor(drw->dpy, shape);
+ cur->cursor = XCreateFontCursor(drw->dpy, shape);
- return cur;
+ return cur;
}
-void drw_cur_free(Drw *drw, Cur *cursor) {
- if (!cursor)
- return;
+void
+drw_cur_free(Drw *drw, Cur *cursor)
+{
+ if (!cursor)
+ return;
- XFreeCursor(drw->dpy, cursor->cursor);
- free(cursor);
+ XFreeCursor(drw->dpy, cursor->cursor);
+ free(cursor);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-07 06:29:27 +0000