1/* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
  2 * © 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  3 * © 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  4 * © 2007 Premysl Hruby <dfenze at gmail dot com>
  5 * © 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  6 * See LICENSE file for license details. */
  7#include "dwm.h"
  8#include <string.h>
  9
 10/* static */
 11
 12static void
 13drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) {
 14	int x;
 15	XGCValues gcv;
 16	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 17
 18	gcv.foreground = col[ColFG];
 19	XChangeGC(dpy, dc.gc, GCForeground, &gcv);
 20	x = (dc.font.ascent + dc.font.descent + 2) / 4;
 21	r.x = dc.x + 1;
 22	r.y = dc.y + 1;
 23	if(filled) {
 24		r.width = r.height = x + 1;
 25		XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 26	}
 27	else if(empty) {
 28		r.width = r.height = x;
 29		XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 30	}
 31}
 32
 33static Bool
 34isoccupied(unsigned int t) {
 35	Client *c;
 36
 37	for(c = clients; c; c = c->next)
 38		if(c->tags[t])
 39			return True;
 40	return False;
 41}
 42
 43static unsigned int
 44textnw(const char *text, unsigned int len) {
 45	XRectangle r;
 46
 47	if(dc.font.set) {
 48		XmbTextExtents(dc.font.set, text, len, NULL, &r);
 49		return r.width;
 50	}
 51	return XTextWidth(dc.font.xfont, text, len);
 52}
 53
 54/* extern */
 55
 56void
 57drawstatus(void) {
 58	int i, x;
 59
 60	dc.x = dc.y = 0;
 61	for(i = 0; i < ntags; i++) {
 62		dc.w = textw(tags[i]);
 63		if(seltag[i]) {
 64			drawtext(tags[i], dc.sel);
 65			drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
 66		}
 67		else {
 68			drawtext(tags[i], dc.norm);
 69			drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
 70		}
 71		dc.x += dc.w;
 72	}
 73	dc.w = blw;
 74	drawtext(lt->symbol, dc.norm);
 75	x = dc.x + dc.w;
 76	dc.w = textw(stext);
 77	dc.x = sw - dc.w;
 78	if(dc.x < x) {
 79		dc.x = x;
 80		dc.w = sw - x;
 81	}
 82	drawtext(stext, dc.norm);
 83	if((dc.w = dc.x - x) > bh) {
 84		dc.x = x;
 85		if(sel) {
 86			drawtext(sel->name, dc.sel);
 87			drawsquare(sel->ismax, sel->isfloating, dc.sel);
 88		}
 89		else
 90			drawtext(NULL, dc.norm);
 91	}
 92	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
 93	XSync(dpy, False);
 94}
 95
 96void
 97drawtext(const char *text, unsigned long col[ColLast]) {
 98	int x, y, w, h;
 99	static char buf[256];
100	unsigned int len, olen;
101	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
102
103	XSetForeground(dpy, dc.gc, col[ColBG]);
104	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
105	if(!text)
106		return;
107	w = 0;
108	olen = len = strlen(text);
109	if(len >= sizeof buf)
110		len = sizeof buf - 1;
111	memcpy(buf, text, len);
112	buf[len] = 0;
113	h = dc.font.ascent + dc.font.descent;
114	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
115	x = dc.x + (h / 2);
116	/* shorten text if necessary */
117	while(len && (w = textnw(buf, len)) > dc.w - h)
118		buf[--len] = 0;
119	if(len < olen) {
120		if(len > 1)
121			buf[len - 1] = '.';
122		if(len > 2)
123			buf[len - 2] = '.';
124		if(len > 3)
125			buf[len - 3] = '.';
126	}
127	if(w > dc.w)
128		return; /* too long */
129	XSetForeground(dpy, dc.gc, col[ColFG]);
130	if(dc.font.set)
131		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
132	else
133		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
134}
135
136unsigned int
137textw(const char *text) {
138	return textnw(text, strlen(text)) + dc.font.height;
139}