dwm-meillo

view draw.c @ 352:5a8bdc3b37cb

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back to 3 colors
author Anselm R. Garbe <arg@10kloc.org>
date Fri, 25 Aug 2006 07:54:49 +0200
parents d822b5fbe11e
children 8a06efe5b563
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, Bool invert, Bool highlight)
26 {
27 int x, y, w, h;
28 static char buf[256];
29 unsigned int len, olen;
30 XGCValues gcv;
31 XPoint points[5];
32 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
33
34 XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
35 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
36 points[0].x = dc.x;
37 points[0].y = dc.y;
38 points[1].x = dc.w - 1;
39 points[1].y = 0;
40 points[2].x = 0;
41 points[2].y = dc.h - 1;
42 points[3].x = -(dc.w - 1);
43 points[3].y = 0;
44 points[4].x = 0;
45 points[4].y = -(dc.h - 1);
46 XSetForeground(dpy, dc.gc, dc.border);
47 XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious);
48
49 if(!text)
50 return;
51
52 w = 0;
53 olen = len = strlen(text);
54 if(len >= sizeof(buf))
55 len = sizeof(buf) - 1;
56 memcpy(buf, text, len);
57 buf[len] = 0;
58
59 h = dc.font.ascent + dc.font.descent;
60 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
61 x = dc.x + (h / 2);
62
63 /* shorten text if necessary */
64 while(len && (w = textnw(buf, len)) > dc.w - h)
65 buf[--len] = 0;
66 if(len < olen) {
67 if(len > 1)
68 buf[len - 1] = '.';
69 if(len > 2)
70 buf[len - 2] = '.';
71 if(len > 3)
72 buf[len - 3] = '.';
73 }
74
75 if(w > dc.w)
76 return; /* too long */
77 gcv.foreground = invert ? dc.bg : dc.fg;
78 gcv.background = invert ? dc.fg : dc.bg;
79 if(dc.font.set) {
80 XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
81 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
82 }
83 else {
84 gcv.font = dc.font.xfont->fid;
85 XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
86 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
87 }
88 if(highlight) {
89 r.x = dc.x + 2;
90 r.y = dc.y + 2;
91 r.width = r.height = 3;
92 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
93 }
94 }
95
96 /* extern */
97
98 void
99 drawall()
100 {
101 Client *c;
102
103 for(c = clients; c; c = getnext(c->next))
104 drawtitle(c);
105 drawstatus();
106 }
107
108 void
109 drawstatus()
110 {
111 int i, x;
112 Bool istile = arrange == dotile;
113
114 dc.x = dc.y = 0;
115 dc.w = bw;
116 drawtext(NULL, !istile, False);
117
118 dc.w = 0;
119 for(i = 0; i < ntags; i++) {
120 dc.x += dc.w;
121 dc.w = textw(tags[i]);
122 if(istile)
123 drawtext(tags[i], seltag[i], sel && sel->tags[i]);
124 else
125 drawtext(tags[i], !seltag[i], sel && sel->tags[i]);
126 }
127 x = dc.x + dc.w;
128 dc.w = textw(stext);
129 dc.x = bx + bw - dc.w;
130 if(dc.x < x) {
131 dc.x = x;
132 dc.w = bw - x;
133 }
134 drawtext(stext, !istile, False);
135
136 if(sel && ((dc.w = dc.x - x) > bh)) {
137 dc.x = x;
138 drawtext(sel->name, istile, False);
139 }
140 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
141 XSync(dpy, False);
142 }
143
144 void
145 drawtitle(Client *c)
146 {
147 int i;
148 Bool istile = arrange == dotile;
149
150 if(c == sel && issel) {
151 drawstatus();
152 XUnmapWindow(dpy, c->twin);
153 XSetWindowBorder(dpy, c->win, dc.fg);
154 return;
155 }
156
157 XSetWindowBorder(dpy, c->win, dc.bg);
158 XMapWindow(dpy, c->twin);
159 dc.x = dc.y = 0;
160 dc.w = c->tw;
161 drawtext(c->name, !istile, False);
162 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
163 XSync(dpy, False);
164 }
165
166 unsigned long
167 getcolor(const char *colstr)
168 {
169 Colormap cmap = DefaultColormap(dpy, screen);
170 XColor color;
171
172 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
173 return color.pixel;
174 }
175
176 void
177 setfont(const char *fontstr)
178 {
179 char **missing, *def;
180 int i, n;
181
182 missing = NULL;
183 setlocale(LC_ALL, "");
184 if(dc.font.set)
185 XFreeFontSet(dpy, dc.font.set);
186 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
187 if(missing) {
188 while(n--)
189 fprintf(stderr, "missing fontset: %s\n", missing[n]);
190 XFreeStringList(missing);
191 if(dc.font.set) {
192 XFreeFontSet(dpy, dc.font.set);
193 dc.font.set = NULL;
194 }
195 }
196 if(dc.font.set) {
197 XFontSetExtents *font_extents;
198 XFontStruct **xfonts;
199 char **font_names;
200
201 dc.font.ascent = dc.font.descent = 0;
202 font_extents = XExtentsOfFontSet(dc.font.set);
203 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
204 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
205 if(dc.font.ascent < (*xfonts)->ascent)
206 dc.font.ascent = (*xfonts)->ascent;
207 if(dc.font.descent < (*xfonts)->descent)
208 dc.font.descent = (*xfonts)->descent;
209 xfonts++;
210 }
211 }
212 else {
213 if(dc.font.xfont)
214 XFreeFont(dpy, dc.font.xfont);
215 dc.font.xfont = NULL;
216 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
217 if (!dc.font.xfont)
218 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
219 if (!dc.font.xfont)
220 eprint("error, cannot init 'fixed' font\n");
221 dc.font.ascent = dc.font.xfont->ascent;
222 dc.font.descent = dc.font.xfont->descent;
223 }
224 dc.font.height = dc.font.ascent + dc.font.descent;
225 }
226
227 unsigned int
228 textw(const char *text)
229 {
230 return textnw(text, strlen(text)) + dc.font.height;
231 }