X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/f0a5b75d6a0d2a62da45e9f65d92ea4a6a2d5831..HEAD:/drw.c?ds=inline
diff --git a/drw.c b/drw.c
index c638323..1630777 100644
--- a/drw.c
+++ b/drw.c
@@ -61,7 +61,7 @@ utf8decode(const char *c, long *u, size_t clen)
}
Drw *
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
+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));
@@ -70,8 +70,11 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
drw->root = root;
drw->w = w;
drw->h = h;
- drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
- drw->gc = XCreateGC(dpy, root, 0, NULL);
+ 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;
@@ -87,7 +90,7 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h)
drw->h = h;
if (drw->drawable)
XFreePixmap(drw->dpy, drw->drawable);
- drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
+ drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
}
void
@@ -95,6 +98,7 @@ drw_free(Drw *drw)
{
XFreePixmap(drw->dpy, drw->drawable);
XFreeGC(drw->dpy, drw->gc);
+ drw_fontset_free(drw->fonts);
free(drw);
}
@@ -132,6 +136,19 @@ xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern)
die("no font specified.");
}
+ /* Do not allow using color fonts. This is a workaround for a BadLength
+ * error from Xft with color glyphs. Modelled on the Xterm workaround. See
+ * https://bugzilla.redhat.com/show_bug.cgi?id=1498269
+ * https://lists.suckless.org/dev/1701/30932.html
+ * https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916349
+ * and lots more all over the internet.
+ */
+ FcBool iscol;
+ if(FcPatternGetBool(xfont->pattern, FC_COLOR, 0, &iscol) == FcResultMatch && iscol) {
+ XftFontClose(drw->dpy, xfont);
+ return NULL;
+ }
+
font = ecalloc(1, sizeof(Fnt));
font->xfont = xfont;
font->pattern = pattern;
@@ -180,31 +197,32 @@ drw_fontset_free(Fnt *font)
}
void
-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
+drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
{
if (!drw || !dest || !clrname)
return;
- if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
- DefaultColormap(drw->dpy, drw->screen),
+ 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, const char *clrnames[], size_t clrcount)
+drw_scm_create(Drw *drw, const 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(Clr))))
+ 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]);
+ drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
return ret;
}
@@ -237,12 +255,10 @@ drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int
int
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert)
{
- char buf[1024];
- int ty;
- unsigned int ew;
+ int i, ty, ellipsis_x = 0;
+ unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len, ellipsis_width;
XftDraw *d = NULL;
Fnt *usedfont, *curfont, *nextfont;
- size_t i, len;
int utf8strlen, utf8charlen, render = x || y || w || h;
long utf8codepoint = 0;
const char *utf8str;
@@ -250,26 +266,28 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
FcPattern *fcpattern;
FcPattern *match;
XftResult result;
- int charexists = 0;
+ 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;
if (!drw || (render && !drw->scheme) || !text || !drw->fonts)
return 0;
if (!render) {
- w = ~w;
+ 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,
- DefaultVisual(drw->dpy, drw->screen),
- DefaultColormap(drw->dpy, drw->screen));
+ d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
x += lpad;
w -= lpad;
}
usedfont = drw->fonts;
+ drw_font_getexts(usedfont, "...", 3, &ellipsis_width, NULL);
while (1) {
- utf8strlen = 0;
+ ew = ellipsis_len = utf8strlen = 0;
utf8str = text;
nextfont = NULL;
while (*text) {
@@ -277,9 +295,27 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
for (curfont = drw->fonts; curfont; curfont = curfont->next) {
charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
if (charexists) {
- if (curfont == usedfont) {
+ 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;
}
@@ -287,36 +323,25 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
}
}
- if (!charexists || nextfont)
+ if (overflow || !charexists || nextfont)
break;
else
charexists = 0;
}
if (utf8strlen) {
- drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL);
- /* shorten text if necessary */
- for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--)
- drw_font_getexts(usedfont, utf8str, len, &ew, NULL);
-
- if (len) {
- memcpy(buf, utf8str, len);
- buf[len] = '\0';
- if (len < utf8strlen)
- for (i = len; i && i > len - 3; buf[--i] = '.')
- ; /* NOP */
-
- if (render) {
- ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
- XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
- usedfont->xfont, x, ty, (XftChar8 *)buf, len);
- }
- x += ew;
- w -= ew;
+ 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) {
+ if (!*text || overflow) {
break;
} else if (nextfont) {
charexists = 0;
@@ -326,6 +351,12 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
* 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);
@@ -337,6 +368,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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);
@@ -353,6 +385,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
curfont->next = usedfont;
} else {
xfont_free(usedfont);
+ nomatches.codepoint[++nomatches.idx % nomatches_len] = utf8codepoint;
+no_match:
usedfont = drw->fonts;
}
}
@@ -382,6 +416,15 @@ drw_fontset_getwidth(Drw *drw, const char *text)
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);
+}
+
void
drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h)
{