sync latest drw.{c,h} changes from dmenu
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cd0773cee9
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78
drw.c
78
drw.c
@ -251,12 +251,10 @@ drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int
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int
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drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lpad, const char *text, int invert)
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{
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char buf[1024];
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int ty;
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unsigned int ew;
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int i, ty, ellipsis_x = 0;
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unsigned int tmpw, ew, ellipsis_w = 0, ellipsis_len;
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XftDraw *d = NULL;
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Fnt *usedfont, *curfont, *nextfont;
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size_t i, len;
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int utf8strlen, utf8charlen, render = x || y || w || h;
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long utf8codepoint = 0;
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const char *utf8str;
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@ -264,13 +262,17 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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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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int charexists = 0, overflow = 0;
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/* keep track of a couple codepoints for which we have no match. */
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enum { nomatches_len = 64 };
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static struct { long codepoint[nomatches_len]; unsigned int idx; } nomatches;
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static unsigned int ellipsis_width = 0;
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if (!drw || (render && !drw->scheme) || !text || !drw->fonts)
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if (!drw || (render && (!drw->scheme || !w)) || !text || !drw->fonts)
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return 0;
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if (!render) {
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w = ~w;
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w = invert ? invert : ~invert;
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} else {
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XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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@ -282,8 +284,10 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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}
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usedfont = drw->fonts;
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if (!ellipsis_width && render)
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ellipsis_width = drw_fontset_getwidth(drw, "...");
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while (1) {
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utf8strlen = 0;
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ew = ellipsis_len = utf8strlen = 0;
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utf8str = text;
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nextfont = NULL;
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while (*text) {
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@ -291,9 +295,27 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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for (curfont = drw->fonts; curfont; curfont = curfont->next) {
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charexists = charexists || XftCharExists(drw->dpy, curfont->xfont, utf8codepoint);
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if (charexists) {
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if (curfont == usedfont) {
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drw_font_getexts(curfont, text, utf8charlen, &tmpw, NULL);
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if (ew + ellipsis_width <= w) {
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/* keep track where the ellipsis still fits */
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ellipsis_x = x + ew;
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ellipsis_w = w - ew;
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ellipsis_len = utf8strlen;
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}
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if (ew + tmpw > w) {
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overflow = 1;
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/* called from drw_fontset_getwidth_clamp():
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* it wants the width AFTER the overflow
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*/
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if (!render)
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x += tmpw;
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else
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utf8strlen = ellipsis_len;
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} else if (curfont == usedfont) {
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utf8strlen += utf8charlen;
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text += utf8charlen;
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ew += tmpw;
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} else {
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nextfont = curfont;
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}
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@ -301,36 +323,25 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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}
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}
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if (!charexists || nextfont)
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if (overflow || !charexists || nextfont)
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break;
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else
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charexists = 0;
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}
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if (utf8strlen) {
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drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL);
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/* shorten text if necessary */
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for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--)
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drw_font_getexts(usedfont, utf8str, len, &ew, NULL);
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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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; /* NOP */
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if (render) {
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ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
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XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
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usedfont->xfont, x, ty, (XftChar8 *)buf, len);
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usedfont->xfont, x, ty, (XftChar8 *)utf8str, utf8strlen);
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}
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x += ew;
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w -= ew;
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}
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}
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if (render && overflow)
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drw_text(drw, ellipsis_x, y, ellipsis_w, h, 0, "...", invert);
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if (!*text) {
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if (!*text || overflow) {
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break;
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} else if (nextfont) {
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charexists = 0;
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@ -340,6 +351,12 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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* character must be drawn. */
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charexists = 1;
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for (i = 0; i < nomatches_len; ++i) {
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/* avoid calling XftFontMatch if we know we won't find a match */
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if (utf8codepoint == nomatches.codepoint[i])
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goto no_match;
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}
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fccharset = FcCharSetCreate();
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FcCharSetAddChar(fccharset, utf8codepoint);
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@ -368,6 +385,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
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curfont->next = usedfont;
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} else {
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xfont_free(usedfont);
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nomatches.codepoint[++nomatches.idx % nomatches_len] = utf8codepoint;
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no_match:
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usedfont = drw->fonts;
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}
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}
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@ -397,6 +416,15 @@ drw_fontset_getwidth(Drw *drw, const char *text)
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return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
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}
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unsigned int
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drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n)
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{
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unsigned int tmp = 0;
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if (drw && drw->fonts && text && n)
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tmp = drw_text(drw, 0, 0, 0, 0, 0, text, n);
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return MIN(n, tmp);
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}
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void
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drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h)
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{
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1
drw.h
1
drw.h
@ -35,6 +35,7 @@ void drw_free(Drw *drw);
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Fnt *drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount);
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void drw_fontset_free(Fnt* set);
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unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
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unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int n);
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void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
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/* Colorscheme abstraction */
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