1/* © 2004-2007 Anselm R. Garbe <garbeam at gmail dot com>
  2 * See LICENSE file for license details. */
  3#include "dwm.h"
  4#include <string.h>
  5
  6/* static */
  7
  8static void
  9drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) {
 10	int x;
 11	XGCValues gcv;
 12	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 13
 14	gcv.foreground = col[ColFG];
 15	XChangeGC(dpy, dc.gc, GCForeground, &gcv);
 16	x = (dc.font.ascent + dc.font.descent + 2) / 4;
 17	r.x = dc.x + 1;
 18	r.y = dc.y + 1;
 19	if(filled) {
 20		r.width = r.height = x + 1;
 21		XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 22	}
 23	else if(empty) {
 24		r.width = r.height = x;
 25		XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 26	}
 27}
 28
 29static Bool
 30isoccupied(unsigned int t) {
 31	Client *c;
 32
 33	for(c = clients; c; c = c->next)
 34		if(c->tags[t])
 35			return True;
 36	return False;
 37}
 38
 39static unsigned int
 40textnw(const char *text, unsigned int len) {
 41	XRectangle r;
 42
 43	if(dc.font.set) {
 44		XmbTextExtents(dc.font.set, text, len, NULL, &r);
 45		return r.width;
 46	}
 47	return XTextWidth(dc.font.xfont, text, len);
 48}
 49
 50/* extern */
 51
 52void
 53drawstatus(void) {
 54	int i, x;
 55
 56	dc.x = dc.y = 0;
 57	for(i = 0; i < ntags; i++) {
 58		dc.w = textw(tags[i]);
 59		if(seltag[i]) {
 60			drawtext(tags[i], dc.sel);
 61			drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
 62		}
 63		else {
 64			drawtext(tags[i], dc.norm);
 65			drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
 66		}
 67		dc.x += dc.w;
 68	}
 69	dc.w = blw;
 70	drawtext(lt->symbol, dc.norm);
 71	x = dc.x + dc.w;
 72	dc.w = textw(stext);
 73	dc.x = sw - dc.w;
 74	if(dc.x < x) {
 75		dc.x = x;
 76		dc.w = sw - x;
 77	}
 78	drawtext(stext, dc.norm);
 79	if((dc.w = dc.x - x) > bh) {
 80		dc.x = x;
 81		if(sel) {
 82			drawtext(sel->name, dc.sel);
 83			drawsquare(sel->ismax, sel->isfloating, dc.sel);
 84		}
 85		else
 86			drawtext(NULL, dc.norm);
 87	}
 88	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
 89	XSync(dpy, False);
 90}
 91
 92void
 93drawtext(const char *text, unsigned long col[ColLast]) {
 94	int x, y, w, h;
 95	static char buf[256];
 96	unsigned int len, olen;
 97	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 98
 99	XSetForeground(dpy, dc.gc, col[ColBG]);
100	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
101	if(!text)
102		return;
103	w = 0;
104	olen = len = strlen(text);
105	if(len >= sizeof buf)
106		len = sizeof buf - 1;
107	memcpy(buf, text, len);
108	buf[len] = 0;
109	h = dc.font.ascent + dc.font.descent;
110	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
111	x = dc.x + (h / 2);
112	/* shorten text if necessary */
113	while(len && (w = textnw(buf, len)) > dc.w - h)
114		buf[--len] = 0;
115	if(len < olen) {
116		if(len > 1)
117			buf[len - 1] = '.';
118		if(len > 2)
119			buf[len - 2] = '.';
120		if(len > 3)
121			buf[len - 3] = '.';
122	}
123	if(w > dc.w)
124		return; /* too long */
125	XSetForeground(dpy, dc.gc, col[ColFG]);
126	if(dc.font.set)
127		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
128	else
129		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
130}
131
132unsigned int
133textw(const char *text) {
134	return textnw(text, strlen(text)) + dc.font.height;
135}