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view draw.c @ 360:b430e328ae03

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author Anselm R. Garbe <arg@10kloc.org>
date Fri, 25 Aug 2006 15:24:18 +0200
parents 175045ce7537
children 728e74820e1d
line source
1 /*
2 * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * See LICENSE file for license details.
4 */
5 #include "dwm.h"
6 #include <stdio.h>
7 #include <string.h>
8 #include <X11/Xlocale.h>
9
10 /* static */
11
12 static unsigned int
13 textnw(const char *text, unsigned int len)
14 {
15 XRectangle r;
16
17 if(dc.font.set) {
18 XmbTextExtents(dc.font.set, text, len, NULL, &r);
19 return r.width;
20 }
21 return XTextWidth(dc.font.xfont, text, len);
22 }
23
24 static void
25 drawtext(const char *text, unsigned long col[ColLast], Bool highlight)
26 {
27 int x, y, w, h;
28 static char buf[256];
29 unsigned int len, olen;
30 XGCValues gcv;
31 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
32
33 XSetForeground(dpy, dc.gc, col[ColBG]);
34 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
35
36 if(!text)
37 return;
38
39 w = 0;
40 olen = len = strlen(text);
41 if(len >= sizeof(buf))
42 len = sizeof(buf) - 1;
43 memcpy(buf, text, len);
44 buf[len] = 0;
45
46 h = dc.font.ascent + dc.font.descent;
47 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
48 x = dc.x + (h / 2);
49
50 /* shorten text if necessary */
51 while(len && (w = textnw(buf, len)) > dc.w - h)
52 buf[--len] = 0;
53 if(len < olen) {
54 if(len > 1)
55 buf[len - 1] = '.';
56 if(len > 2)
57 buf[len - 2] = '.';
58 if(len > 3)
59 buf[len - 3] = '.';
60 }
61
62 if(w > dc.w)
63 return; /* too long */
64 gcv.foreground = col[ColFG];
65 if(dc.font.set) {
66 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
67 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
68 }
69 else {
70 gcv.font = dc.font.xfont->fid;
71 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
72 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
73 }
74 if(highlight) {
75 r.x = dc.x + 2;
76 r.y = dc.y + 2;
77 r.width = r.height = 3;
78 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
79 }
80 }
81
82 /* extern */
83
84 void
85 drawall()
86 {
87 Client *c;
88
89 for(c = clients; c; c = getnext(c->next))
90 drawtitle(c);
91 drawstatus();
92 }
93
94 void
95 drawstatus()
96 {
97 int i, x;
98
99 dc.x = dc.y = 0;
100 dc.w = bw;
101
102 drawtext(arrange == dotile ? TILESYMBOL : FLOATSYMBOL, dc.status, False);
103 dc.w = modew;
104 for(i = 0; i < ntags; i++) {
105 dc.x += dc.w;
106 dc.w = textw(tags[i]);
107 if(seltag[i])
108 drawtext(tags[i], dc.sel, sel && sel->tags[i]);
109 else
110 drawtext(tags[i], dc.norm, sel && sel->tags[i]);
111 }
112 x = dc.x + dc.w + 1;
113 dc.w = textw(stext);
114 dc.x = bx + bw - dc.w;
115 if(dc.x < x) {
116 dc.x = x;
117 dc.w = bw - x;
118 }
119 drawtext(stext, dc.status, False);
120
121 if(sel && ((dc.w = dc.x - x) > bh)) {
122 dc.x = x;
123 drawtext(sel->name, dc.sel, False);
124 }
125 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
126 XSync(dpy, False);
127 }
128
129 void
130 drawtitle(Client *c)
131 {
132 int i;
133
134 if(c == sel && issel) {
135 drawstatus();
136 XUnmapWindow(dpy, c->twin);
137 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
138 return;
139 }
140
141 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
142 XMapWindow(dpy, c->twin);
143 dc.x = dc.y = 0;
144 dc.w = c->tw;
145 drawtext(c->name, dc.norm, False);
146 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
147 XSync(dpy, False);
148 }
149
150 unsigned long
151 getcolor(const char *colstr)
152 {
153 Colormap cmap = DefaultColormap(dpy, screen);
154 XColor color;
155
156 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
157 return color.pixel;
158 }
159
160 void
161 setfont(const char *fontstr)
162 {
163 char **missing, *def;
164 int i, n;
165
166 missing = NULL;
167 setlocale(LC_ALL, "");
168 if(dc.font.set)
169 XFreeFontSet(dpy, dc.font.set);
170 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
171 if(missing) {
172 while(n--)
173 fprintf(stderr, "missing fontset: %s\n", missing[n]);
174 XFreeStringList(missing);
175 if(dc.font.set) {
176 XFreeFontSet(dpy, dc.font.set);
177 dc.font.set = NULL;
178 }
179 }
180 if(dc.font.set) {
181 XFontSetExtents *font_extents;
182 XFontStruct **xfonts;
183 char **font_names;
184
185 dc.font.ascent = dc.font.descent = 0;
186 font_extents = XExtentsOfFontSet(dc.font.set);
187 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
188 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
189 if(dc.font.ascent < (*xfonts)->ascent)
190 dc.font.ascent = (*xfonts)->ascent;
191 if(dc.font.descent < (*xfonts)->descent)
192 dc.font.descent = (*xfonts)->descent;
193 xfonts++;
194 }
195 }
196 else {
197 if(dc.font.xfont)
198 XFreeFont(dpy, dc.font.xfont);
199 dc.font.xfont = NULL;
200 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
201 if (!dc.font.xfont)
202 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
203 if (!dc.font.xfont)
204 eprint("error, cannot init 'fixed' font\n");
205 dc.font.ascent = dc.font.xfont->ascent;
206 dc.font.descent = dc.font.xfont->descent;
207 }
208 dc.font.height = dc.font.ascent + dc.font.descent;
209 }
210
211 unsigned int
212 textw(const char *text)
213 {
214 return textnw(text, strlen(text)) + dc.font.height;
215 }