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