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