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(dc->dpy, dc->font.set);
24 XFreeFont(dc->dpy, dc->font.xfont);
25 XFreePixmap(dc->dpy, dc->drawable);
26 XFreeGC(dc->dpy, dc->gc);
30 setupdraw(DC *dc, Window w) {
33 XGetWindowAttributes(dc->dpy, w, &wa);
34 dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height,
35 DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
36 dc->gc = XCreateGC(dc->dpy, w, 0, NULL);
37 XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter);
39 XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid);
43 drawtext(DC *dc, const char *text, unsigned long col[ColLast]) {
45 int i, x, y, h, len, olen;
46 XRectangle r = { dc->x, dc->y, dc->w, dc->h };
48 XSetForeground(dc->dpy, dc->gc, col[ColBG]);
49 XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1);
54 y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent;
56 /* shorten text if necessary */
57 for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--);
60 memcpy(buf, text, len);
62 for(i = len; i && i > len - 3; buf[--i] = '.');
63 XSetForeground(dc->dpy, dc->gc, col[ColFG]);
65 XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len);
67 XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len);
71 eprint(const char *fmt, ...) {
74 fprintf(stderr, "%s: ", progname);
76 vfprintf(stderr, fmt, ap);
82 getcolor(DC *dc, const char *colstr) {
83 Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
86 if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color))
87 eprint("cannot allocate color '%s'\n", colstr);
92 initfont(DC *dc, const char *fontstr) {
93 char *def, **missing = NULL;
96 if(!fontstr || !*fontstr)
97 eprint("cannot load null font\n");
98 dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def);
100 XFreeStringList(missing);
102 XFontStruct **xfonts;
104 dc->font.ascent = dc->font.descent = 0;
105 n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names);
106 for(i = 0; i < n; i++) {
107 dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent);
108 dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent);
113 if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr))
114 && !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed")))
115 eprint("cannot load font '%s'\n", fontstr);
116 dc->font.ascent = dc->font.xfont->ascent;
117 dc->font.descent = dc->font.xfont->descent;
119 dc->font.height = dc->font.ascent + dc->font.descent;
123 textnw(DC *dc, const char *text, unsigned int len) {
127 XmbTextExtents(dc->font.set, text, len, NULL, &r);
130 return XTextWidth(dc->font.xfont, text, len);
134 textw(DC *dc, const char *text) {
135 return textnw(dc, text, strlen(text)) + dc->font.height;