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