1 /* See LICENSE file for copyright and license details. */
13 #define MIN(a, b) ((a) < (b) ? (a) : (b))
14 #define MAX(a, b) ((a) > (b) ? (a) : (b))
22 XFreeFontSet(dpy, dc.font.set);
24 XFreeFont(dpy, dc.font.xfont);
25 XFreePixmap(dpy, dc.drawable);
32 dc.norm[ColBG] = getcolor(normbgcolor);
33 dc.norm[ColFG] = getcolor(normfgcolor);
34 dc.sel[ColBG] = getcolor(selbgcolor);
35 dc.sel[ColFG] = getcolor(selfgcolor);
38 dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
39 dc.gc = XCreateGC(dpy, parent, 0, NULL);
40 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
42 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
46 drawtext(const char *text, unsigned long col[ColLast]) {
48 int i, x, y, h, len, olen;
49 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
51 XSetForeground(dpy, dc.gc, col[ColBG]);
52 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
57 y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
59 /* shorten text if necessary */
60 for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
63 memcpy(buf, text, len);
65 for(i = len; i && i > len - 3; buf[--i] = '.');
66 XSetForeground(dpy, dc.gc, col[ColFG]);
68 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
70 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
74 eprint(const char *errstr, ...) {
77 fprintf(stderr, "%s: ", progname);
79 vfprintf(stderr, errstr, ap);
85 getcolor(const char *colstr) {
86 Colormap cmap = DefaultColormap(dpy, screen);
89 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
90 eprint("cannot allocate color '%s'\n", colstr);
95 initfont(const char *fontstr) {
96 char *def, **missing = NULL;
99 if(!fontstr || !*fontstr)
100 eprint("cannot load null font\n");
101 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
103 XFreeStringList(missing);
105 XFontStruct **xfonts;
107 dc.font.ascent = dc.font.descent = 0;
108 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
109 for(i = 0; i < n; i++) {
110 dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
111 dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
116 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
117 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
118 eprint("cannot load font '%s'\n", fontstr);
119 dc.font.ascent = dc.font.xfont->ascent;
120 dc.font.descent = dc.font.xfont->descent;
122 dc.font.height = dc.font.ascent + dc.font.descent;
126 textnw(const char *text, unsigned int len) {
130 XmbTextExtents(dc.font.set, text, len, NULL, &r);
133 return XTextWidth(dc.font.xfont, text, len);
137 textw(const char *text) {
138 return textnw(text, strlen(text)) + dc.font.height;