dwm-meillo
view draw.c @ 731:29c9b557ed95
implemented aspect ratio support of windows
| author | Anselm R. Garbe <arg@suckless.org> |
|---|---|
| date | Tue, 06 Feb 2007 15:22:13 +0100 |
| parents | 4d12382fef8e |
| children | 61821891835c |
line source
1 /* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com>
2 * See LICENSE file for license details.
3 */
4 #include "dwm.h"
5 #include <stdio.h>
6 #include <string.h>
8 /* static */
10 static Bool
11 isoccupied(unsigned int t)
12 {
13 Client *c;
14 for(c = clients; c; c = c->next)
15 if(c->tags[t])
16 return True;
17 return False;
18 }
20 static unsigned int
21 textnw(const char *text, unsigned int len) {
22 XRectangle r;
24 if(dc.font.set) {
25 XmbTextExtents(dc.font.set, text, len, NULL, &r);
26 return r.width;
27 }
28 return XTextWidth(dc.font.xfont, text, len);
29 }
31 static void
32 drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) {
33 int x, y, w, h;
34 static char buf[256];
35 unsigned int len, olen;
36 XGCValues gcv;
37 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
39 XSetForeground(dpy, dc.gc, col[ColBG]);
40 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
41 if(!text)
42 return;
43 w = 0;
44 olen = len = strlen(text);
45 if(len >= sizeof buf)
46 len = sizeof buf - 1;
47 memcpy(buf, text, len);
48 buf[len] = 0;
49 h = dc.font.ascent + dc.font.descent;
50 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
51 x = dc.x + (h / 2);
52 /* shorten text if necessary */
53 while(len && (w = textnw(buf, len)) > dc.w - h)
54 buf[--len] = 0;
55 if(len < olen) {
56 if(len > 1)
57 buf[len - 1] = '.';
58 if(len > 2)
59 buf[len - 2] = '.';
60 if(len > 3)
61 buf[len - 3] = '.';
62 }
63 if(w > dc.w)
64 return; /* too long */
65 gcv.foreground = col[ColFG];
66 if(dc.font.set) {
67 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
68 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
69 }
70 else {
71 gcv.font = dc.font.xfont->fid;
72 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
73 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
74 }
75 x = (h + 2) / 4;
76 r.x = dc.x + 1;
77 r.y = dc.y + 1;
78 if(filledsquare) {
79 r.width = r.height = x + 1;
80 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
81 }
82 else if(emptysquare) {
83 r.width = r.height = x;
84 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
85 }
86 }
88 /* extern */
90 void
91 drawstatus(void) {
92 int i, x;
94 dc.x = dc.y = 0;
95 for(i = 0; i < ntags; i++) {
96 dc.w = textw(tags[i]);
97 if(seltag[i])
98 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
99 else
100 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
101 dc.x += dc.w;
102 }
103 dc.w = bmw;
104 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.norm, False, False);
105 x = dc.x + dc.w;
106 dc.w = textw(stext);
107 dc.x = sw - dc.w;
108 if(dc.x < x) {
109 dc.x = x;
110 dc.w = sw - x;
111 }
112 drawtext(stext, dc.norm, False, False);
113 if((dc.w = dc.x - x) > bh) {
114 dc.x = x;
115 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
116 }
117 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
118 XSync(dpy, False);
119 }
121 unsigned long
122 getcolor(const char *colstr) {
123 Colormap cmap = DefaultColormap(dpy, screen);
124 XColor color;
126 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
127 eprint("error, cannot allocate color '%s'\n", colstr);
128 return color.pixel;
129 }
131 void
132 setfont(const char *fontstr) {
133 char *def, **missing;
134 int i, n;
136 missing = NULL;
137 if(dc.font.set)
138 XFreeFontSet(dpy, dc.font.set);
139 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
140 if(missing) {
141 while(n--)
142 fprintf(stderr, "missing fontset: %s\n", missing[n]);
143 XFreeStringList(missing);
144 }
145 if(dc.font.set) {
146 XFontSetExtents *font_extents;
147 XFontStruct **xfonts;
148 char **font_names;
149 dc.font.ascent = dc.font.descent = 0;
150 font_extents = XExtentsOfFontSet(dc.font.set);
151 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
152 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
153 if(dc.font.ascent < (*xfonts)->ascent)
154 dc.font.ascent = (*xfonts)->ascent;
155 if(dc.font.descent < (*xfonts)->descent)
156 dc.font.descent = (*xfonts)->descent;
157 xfonts++;
158 }
159 }
160 else {
161 if(dc.font.xfont)
162 XFreeFont(dpy, dc.font.xfont);
163 dc.font.xfont = NULL;
164 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
165 eprint("error, cannot load font: '%s'\n", fontstr);
166 dc.font.ascent = dc.font.xfont->ascent;
167 dc.font.descent = dc.font.xfont->descent;
168 }
169 dc.font.height = dc.font.ascent + dc.font.descent;
170 }
172 unsigned int
173 textw(const char *text) {
174 return textnw(text, strlen(text)) + dc.font.height;
175 }