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@ -63,9 +63,8 @@ utf8decode(const char *c, long *u, size_t clen)
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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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{
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Drw *drw;
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Drw *drw = ecalloc(1, sizeof(Drw));
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drw = ecalloc(1, sizeof(Drw));
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drw->dpy = dpy;
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drw->screen = screen;
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drw->root = root;
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@ -73,7 +72,6 @@ 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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@ -82,6 +80,9 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
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void
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drw_resize(Drw *drw, unsigned int w, unsigned int h)
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{
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if (!drw)
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return;
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drw->w = w;
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drw->h = h;
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if (drw->drawable)
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@ -92,44 +93,39 @@ 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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{
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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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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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/* This function is an implementation detail. Library users should use
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* drw_font_create instead.
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* drw_fontset_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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xfont_create(Drw *drw, const char *fontname, FcPattern *fontpattern)
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{
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Fnt *font;
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XftFont *xfont = NULL;
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FcPattern *pattern = NULL;
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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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/* Using the pattern found at font->xfont->pattern does not yield the
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* 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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* behaviour whereas the former just results in missing-character
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* rectangles being drawn, at least with some fonts. */
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if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
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fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
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fprintf(stderr, "error, cannot load font from name: '%s'\n", fontname);
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return NULL;
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}
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if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
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fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
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fprintf(stderr, "error, cannot parse font name to pattern: '%s'\n", fontname);
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XftFontClose(drw->dpy, xfont);
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return NULL;
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}
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} else if (fontpattern) {
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if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
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fprintf(stderr, "error, cannot load font pattern.\n");
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fprintf(stderr, "error, cannot load font from pattern.\n");
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return NULL;
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}
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} else {
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@ -139,95 +135,115 @@ drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
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font = ecalloc(1, sizeof(Fnt));
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font->xfont = xfont;
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font->pattern = pattern;
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font->ascent = xfont->ascent;
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font->descent = xfont->descent;
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font->h = font->ascent + font->descent;
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font->h = xfont->ascent + xfont->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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static void
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xfont_free(Fnt *font)
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{
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return drw_font_xcreate(drw, fontname, NULL);
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if (!font)
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return;
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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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void
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drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount)
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Fnt*
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drw_fontset_create(Drw* drw, const char *fonts[], size_t fontcount)
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{
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Fnt *cur, *ret = NULL;
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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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if (!drw || !fonts)
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return NULL;
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for (i = 1; i <= fontcount; i++) {
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if ((cur = xfont_create(drw, fonts[fontcount - i], NULL))) {
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cur->next = ret;
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ret = cur;
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}
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}
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return (drw->fonts = ret);
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}
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void
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drw_font_free(Fnt *font)
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drw_fontset_free(Fnt *font)
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{
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if (!font)
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return;
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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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if (font) {
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drw_fontset_free(font->next);
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xfont_free(font);
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}
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}
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Clr *
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drw_clr_create(Drw *drw, const char *clrname)
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void
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drw_clr_create(Drw *drw, XftColor *dest, const char *clrname)
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{
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Clr *clr;
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if (!drw || !dest || !clrname)
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return;
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clr = ecalloc(1, sizeof(Clr));
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if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
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DefaultColormap(drw->dpy, drw->screen),
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clrname, &clr->rgb))
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clrname, dest))
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die("error, cannot allocate color '%s'\n", clrname);
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clr->pix = clr->rgb.pixel;
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}
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/* Wrapper to create color schemes. The caller has to call free(3) on the
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* returned color scheme when done using it. */
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Scm
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drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
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{
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size_t i;
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Scm ret;
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/* need at least two colors for a scheme */
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if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor))))
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return NULL;
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return clr;
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for (i = 0; i < clrcount; i++)
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drw_clr_create(drw, &ret[i], clrnames[i]);
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return ret;
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}
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void
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drw_clr_free(Clr *clr)
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drw_setfontset(Drw *drw, Fnt *set)
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{
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free(clr);
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if (drw)
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drw->fonts = set;
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}
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void
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drw_setscheme(Drw *drw, ClrScheme *scheme)
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drw_setscheme(Drw *drw, Scm scm)
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{
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drw->scheme = scheme;
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if (drw)
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drw->scheme = scm;
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}
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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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drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int invert)
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{
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if (!drw->scheme)
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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->bg->pix : drw->scheme->fg->pix);
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XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme[ColBg].pixel : drw->scheme[ColFg].pixel);
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if (filled)
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w + 1, h + 1);
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else if (empty)
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XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
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else
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XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w - 1, h - 1);
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}
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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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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 tx, ty, th;
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Extnts tex;
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int ty;
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unsigned int ew;
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XftDraw *d = NULL;
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Fnt *curfont, *nextfont;
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Fnt *usedfont, *curfont, *nextfont;
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size_t i, len;
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int utf8strlen, utf8charlen, render;
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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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FcCharSet *fccharset;
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@ -236,66 +252,67 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
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XftResult result;
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int charexists = 0;
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if (!drw->scheme || !drw->fontcount)
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if (!drw || (render && !drw->scheme) || !text || !drw->fonts)
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return 0;
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if (!(render = x || y || w || h)) {
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if (!render) {
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w = ~w;
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} else {
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XSetForeground(drw->dpy, drw->gc, invert ?
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drw->scheme->fg->pix : drw->scheme->bg->pix);
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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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d = XftDrawCreate(drw->dpy, drw->drawable,
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DefaultVisual(drw->dpy, drw->screen),
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DefaultColormap(drw->dpy, drw->screen));
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x += lpad;
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w -= lpad;
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}
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curfont = drw->fonts[0];
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usedfont = drw->fonts;
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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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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 (drw->fonts[i] == curfont) {
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if (curfont == usedfont) {
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utf8strlen += utf8charlen;
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text += utf8charlen;
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} else {
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|
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nextfont = drw->fonts[i];
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nextfont = curfont;
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}
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break;
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}
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}
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|
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if (!charexists || (nextfont && nextfont != curfont))
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if (!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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|
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drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
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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 && (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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|
|
for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--)
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|
|
|
|
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] = '.');
|
|
|
|
|
for (i = len; i && i > len - 3; buf[--i] = '.')
|
|
|
|
|
; /* NOP */
|
|
|
|
|
|
|
|
|
|
if (render) {
|
|
|
|
|
th = curfont->ascent + curfont->descent;
|
|
|
|
|
ty = y + (h / 2) - (th / 2) + curfont->ascent;
|
|
|
|
|
tx = x + (h / 2);
|
|
|
|
|
XftDrawStringUtf8(d, invert ? &drw->scheme->bg->rgb : &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
|
|
|
|
|
ty = y + (h - usedfont->h) / 2 + usedfont->xfont->ascent;
|
|
|
|
|
XftDrawStringUtf8(d, &drw->scheme[invert ? ColBg : ColFg],
|
|
|
|
|
usedfont->xfont, x, ty, (XftChar8 *)buf, len);
|
|
|
|
|
}
|
|
|
|
|
x += tex.w;
|
|
|
|
|
w -= tex.w;
|
|
|
|
|
x += ew;
|
|
|
|
|
w -= ew;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -303,26 +320,21 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
|
|
|
|
|
break;
|
|
|
|
|
} else if (nextfont) {
|
|
|
|
|
charexists = 0;
|
|
|
|
|
curfont = nextfont;
|
|
|
|
|
usedfont = nextfont;
|
|
|
|
|
} else {
|
|
|
|
|
/* Regardless of whether or not a fallback font is found, the
|
|
|
|
|
* character must be drawn.
|
|
|
|
|
*/
|
|
|
|
|
* character must be drawn. */
|
|
|
|
|
charexists = 1;
|
|
|
|
|
|
|
|
|
|
if (drw->fontcount >= DRW_FONT_CACHE_SIZE)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
fccharset = FcCharSetCreate();
|
|
|
|
|
FcCharSetAddChar(fccharset, utf8codepoint);
|
|
|
|
|
|
|
|
|
|
if (!drw->fonts[0]->pattern) {
|
|
|
|
|
/* Refer to the comment in drw_font_xcreate for more
|
|
|
|
|
* information. */
|
|
|
|
|
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.\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
|
|
|
|
|
fcpattern = FcPatternDuplicate(drw->fonts->pattern);
|
|
|
|
|
FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
|
|
|
|
|
FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
|
|
|
|
|
|
|
|
|
@ -334,12 +346,14 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
|
|
|
|
|
FcPatternDestroy(fcpattern);
|
|
|
|
|
|
|
|
|
|
if (match) {
|
|
|
|
|
curfont = drw_font_xcreate(drw, NULL, match);
|
|
|
|
|
if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
|
|
|
|
|
drw->fonts[drw->fontcount++] = curfont;
|
|
|
|
|
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 {
|
|
|
|
|
drw_font_free(curfont);
|
|
|
|
|
curfont = drw->fonts[0];
|
|
|
|
|
xfont_free(usedfont);
|
|
|
|
|
usedfont = drw->fonts;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -347,34 +361,40 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
|
|
|
|
|
if (d)
|
|
|
|
|
XftDrawDestroy(d);
|
|
|
|
|
|
|
|
|
|
return x;
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
|
|
|
|
|
XSync(drw->dpy, False);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex)
|
|
|
|
|
unsigned int
|
|
|
|
|
drw_fontset_getwidth(Drw *drw, const char *text)
|
|
|
|
|
{
|
|
|
|
|
XGlyphInfo ext;
|
|
|
|
|
|
|
|
|
|
XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
|
|
|
|
|
tex->h = font->h;
|
|
|
|
|
tex->w = ext.xOff;
|
|
|
|
|
if (!drw || !drw->fonts || !text)
|
|
|
|
|
return 0;
|
|
|
|
|
return drw_text(drw, 0, 0, 0, 0, 0, text, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
unsigned int
|
|
|
|
|
drw_font_getexts_width(Fnt *font, const char *text, unsigned int len)
|
|
|
|
|
void
|
|
|
|
|
drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h)
|
|
|
|
|
{
|
|
|
|
|
Extnts tex;
|
|
|
|
|
XGlyphInfo ext;
|
|
|
|
|
|
|
|
|
|
drw_font_getexts(font, text, len, &tex);
|
|
|
|
|
if (!font || !text)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
return tex.w;
|
|
|
|
|
XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
|
|
|
|
|
if (w)
|
|
|
|
|
*w = ext.xOff;
|
|
|
|
|
if (h)
|
|
|
|
|
*h = font->h;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Cur *
|
|
|
|
@ -382,7 +402,9 @@ drw_cur_create(Drw *drw, int shape)
|
|
|
|
|
{
|
|
|
|
|
Cur *cur;
|
|
|
|
|
|
|
|
|
|
cur = ecalloc(1, sizeof(Cur));
|
|
|
|
|
if (!drw || !(cur = ecalloc(1, sizeof(Cur))))
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
cur->cursor = XCreateFontCursor(drw->dpy, shape);
|
|
|
|
|
|
|
|
|
|
return cur;
|
|
|
|
@ -393,6 +415,7 @@ drw_cur_free(Drw *drw, Cur *cursor)
|
|
|
|
|
{
|
|
|
|
|
if (!cursor)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
XFreeCursor(drw->dpy, cursor->cursor);
|
|
|
|
|
free(cursor);
|
|
|
|
|
}
|
|
|
|
|