dwm-meillo

view draw.c @ 344:93192711a36a

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changing tag indicator through underline
author Anselm R. Garbe <arg@10kloc.org>
date Thu, 24 Aug 2006 09:25:10 +0200
parents a1901753deef
children 977585eb2d35
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 underline)
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(underline) {
89 points[0].x = dc.x + (h / 2) - 1;
90 points[0].y = dc.y + dc.h - 3;
91 points[1].x = dc.w - h + 2;
92 points[1].y = 0;
93 XDrawLines(dpy, dc.drawable, dc.gc, points, 2, CoordModePrevious);
94 }
95 }
96
97 /* extern */
98
99 void
100 drawall()
101 {
102 Client *c;
103
104 for(c = clients; c; c = getnext(c->next))
105 drawtitle(c);
106 drawstatus();
107 }
108
109 void
110 drawstatus()
111 {
112 int i, x;
113 Bool istile = arrange == dotile;
114
115 dc.x = dc.y = 0;
116 dc.w = bw;
117 drawtext(NULL, !istile, False);
118
119 dc.w = 0;
120 for(i = 0; i < ntags; i++) {
121 dc.x += dc.w;
122 dc.w = textw(tags[i]);
123 if(istile)
124 drawtext(tags[i], seltag[i], sel && sel->tags[i]);
125 else
126 drawtext(tags[i], !seltag[i], sel && sel->tags[i]);
127 }
128 x = dc.x + dc.w;
129 dc.w = textw(stext);
130 dc.x = bx + bw - dc.w;
131 if(dc.x < x) {
132 dc.x = x;
133 dc.w = bw - x;
134 }
135 drawtext(stext, !istile, False);
136
137 if(sel && ((dc.w = dc.x - x) > bh)) {
138 dc.x = x;
139 drawtext(sel->name, istile, False);
140 }
141 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
142 XSync(dpy, False);
143 }
144
145 void
146 drawtitle(Client *c)
147 {
148 int i;
149 Bool istile = arrange == dotile;
150
151 if(c == sel && issel) {
152 drawstatus();
153 XUnmapWindow(dpy, c->twin);
154 XSetWindowBorder(dpy, c->win, dc.fg);
155 return;
156 }
157
158 XSetWindowBorder(dpy, c->win, dc.bg);
159 XMapWindow(dpy, c->twin);
160 dc.x = dc.y = 0;
161 dc.w = c->tw;
162 drawtext(c->name, !istile, False);
163 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
164 XSync(dpy, False);
165 }
166
167 unsigned long
168 getcolor(const char *colstr)
169 {
170 Colormap cmap = DefaultColormap(dpy, screen);
171 XColor color;
172
173 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
174 return color.pixel;
175 }
176
177 void
178 setfont(const char *fontstr)
179 {
180 char **missing, *def;
181 int i, n;
182
183 missing = NULL;
184 setlocale(LC_ALL, "");
185 if(dc.font.set)
186 XFreeFontSet(dpy, dc.font.set);
187 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
188 if(missing) {
189 while(n--)
190 fprintf(stderr, "missing fontset: %s\n", missing[n]);
191 XFreeStringList(missing);
192 if(dc.font.set) {
193 XFreeFontSet(dpy, dc.font.set);
194 dc.font.set = NULL;
195 }
196 }
197 if(dc.font.set) {
198 XFontSetExtents *font_extents;
199 XFontStruct **xfonts;
200 char **font_names;
201
202 dc.font.ascent = dc.font.descent = 0;
203 font_extents = XExtentsOfFontSet(dc.font.set);
204 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
205 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
206 if(dc.font.ascent < (*xfonts)->ascent)
207 dc.font.ascent = (*xfonts)->ascent;
208 if(dc.font.descent < (*xfonts)->descent)
209 dc.font.descent = (*xfonts)->descent;
210 xfonts++;
211 }
212 }
213 else {
214 if(dc.font.xfont)
215 XFreeFont(dpy, dc.font.xfont);
216 dc.font.xfont = NULL;
217 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
218 if (!dc.font.xfont)
219 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
220 if (!dc.font.xfont)
221 eprint("error, cannot init 'fixed' font\n");
222 dc.font.ascent = dc.font.xfont->ascent;
223 dc.font.descent = dc.font.xfont->descent;
224 }
225 dc.font.height = dc.font.ascent + dc.font.descent;
226 }
227
228 unsigned int
229 textw(const char *text)
230 {
231 return textnw(text, strlen(text)) + dc.font.height;
232 }