dwm-meillo
view draw.c @ 605:755d8dcb8a05
sander1 proposal
| author | arg@mig29 |
|---|---|
| date | Fri, 01 Dec 2006 17:36:37 +0100 |
| parents | 2c366b252717 |
| children | 44b5617c78b3 |
line source
1 /* (C)opyright MMIV-MMVI 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>
7 #include <X11/Xlocale.h>
9 /* static */
11 static Bool
12 isoccupied(unsigned int t)
13 {
14 Client *c;
15 for(c = clients; c; c = c->next)
16 if(c->tags[t])
17 return True;
18 return False;
19 }
21 static unsigned int
22 textnw(const char *text, unsigned int len) {
23 XRectangle r;
25 if(dc.font.set) {
26 XmbTextExtents(dc.font.set, text, len, NULL, &r);
27 return r.width;
28 }
29 return XTextWidth(dc.font.xfont, text, len);
30 }
32 static void
33 drawtext(const char *text, unsigned long col[ColLast], Bool dot, Bool corner) {
34 int x, y, w, h;
35 static char buf[256];
36 unsigned int len, olen;
37 XGCValues gcv;
38 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
39 XPoint pt[3];
41 XSetForeground(dpy, dc.gc, col[ColBG]);
42 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
43 if(!text)
44 return;
45 w = 0;
46 olen = len = strlen(text);
47 if(len >= sizeof buf)
48 len = sizeof buf - 1;
49 memcpy(buf, text, len);
50 buf[len] = 0;
51 h = dc.font.ascent + dc.font.descent;
52 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
53 x = dc.x + (h / 2);
54 /* shorten text if necessary */
55 while(len && (w = textnw(buf, len)) > dc.w - h)
56 buf[--len] = 0;
57 if(len < olen) {
58 if(len > 1)
59 buf[len - 1] = '.';
60 if(len > 2)
61 buf[len - 2] = '.';
62 if(len > 3)
63 buf[len - 3] = '.';
64 }
65 if(w > dc.w)
66 return; /* too long */
67 gcv.foreground = col[ColFG];
68 if(dc.font.set) {
69 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
70 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
71 }
72 else {
73 gcv.font = dc.font.xfont->fid;
74 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
75 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
76 }
77 if(dot) {
78 r.x = dc.x + 2;
79 r.y = dc.y + 2;
80 r.width = r.height = (h + 2) / 4;
81 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
82 }
83 if(corner) {
84 pt[0].x = dc.x + 1;
85 pt[0].y = dc.y + dc.h / 2 + 1;
86 pt[1].x = 0;
87 pt[1].y = - dc.h / 2;
88 pt[2].x = dc.h / 2;
89 pt[2].y = 0;
90 XDrawLines(dpy, dc.drawable, dc.gc, pt, 3, CoordModePrevious);
91 }
92 }
94 /* extern */
96 void
97 drawall(void) {
98 Client *c;
100 for(c = clients; c; c = getnext(c->next))
101 drawtitle(c);
102 drawstatus();
103 }
105 void
106 drawstatus(void) {
107 int i, x;
109 dc.x = dc.y = 0;
110 for(i = 0; i < ntags; i++) {
111 dc.w = textw(tags[i]);
112 if(seltag[i])
113 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
114 else
115 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
116 dc.x += dc.w;
117 }
118 dc.w = bmw;
119 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);
120 x = dc.x + dc.w;
121 dc.w = textw(stext);
122 dc.x = bw - dc.w;
123 if(dc.x < x) {
124 dc.x = x;
125 dc.w = bw - x;
126 }
127 drawtext(stext, dc.status, False, False);
128 if((dc.w = dc.x - x) > bh) {
129 dc.x = x;
130 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
131 }
132 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
133 XSync(dpy, False);
134 }
136 void
137 drawtitle(Client *c) {
138 if(c == sel && issel) {
139 drawstatus();
140 XUnmapWindow(dpy, c->twin);
141 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
142 return;
143 }
144 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
145 XMapWindow(dpy, c->twin);
146 dc.x = dc.y = 0;
147 dc.w = c->tw;
148 drawtext(c->name, dc.norm, False,False);
149 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
150 XSync(dpy, False);
151 }
153 unsigned long
154 getcolor(const char *colstr) {
155 Colormap cmap = DefaultColormap(dpy, screen);
156 XColor color;
158 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
159 eprint("error, cannot allocate color '%s'\n", colstr);
160 return color.pixel;
161 }
163 void
164 setfont(const char *fontstr) {
165 char **missing, *def;
166 int i, n;
168 missing = NULL;
169 setlocale(LC_ALL, "");
170 if(dc.font.set)
171 XFreeFontSet(dpy, dc.font.set);
172 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
173 if(missing) {
174 while(n--)
175 fprintf(stderr, "missing fontset: %s\n", missing[n]);
176 XFreeStringList(missing);
177 if(dc.font.set) {
178 XFreeFontSet(dpy, dc.font.set);
179 dc.font.set = NULL;
180 }
181 }
182 if(dc.font.set) {
183 XFontSetExtents *font_extents;
184 XFontStruct **xfonts;
185 char **font_names;
186 dc.font.ascent = dc.font.descent = 0;
187 font_extents = XExtentsOfFontSet(dc.font.set);
188 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
189 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
190 if(dc.font.ascent < (*xfonts)->ascent)
191 dc.font.ascent = (*xfonts)->ascent;
192 if(dc.font.descent < (*xfonts)->descent)
193 dc.font.descent = (*xfonts)->descent;
194 xfonts++;
195 }
196 }
197 else {
198 if(dc.font.xfont)
199 XFreeFont(dpy, dc.font.xfont);
200 dc.font.xfont = NULL;
201 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
202 if (!dc.font.xfont)
203 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
204 if (!dc.font.xfont)
205 eprint("error, cannot init 'fixed' font\n");
206 dc.font.ascent = dc.font.xfont->ascent;
207 dc.font.descent = dc.font.xfont->descent;
208 }
209 dc.font.height = dc.font.ascent + dc.font.descent;
210 }
212 unsigned int
213 textw(const char *text) {
214 return textnw(text, strlen(text)) + dc.font.height;
215 }