dwm-meillo
view draw.c @ 597:7a48d1f06223
improved tag indicator
| author | arg@mig29 |
|---|---|
| date | Fri, 01 Dec 2006 09:52:15 +0100 |
| parents | 601842ee4484 |
| children | 38bbcf31accc |
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 border, Bool ldot) {
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[5];
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(ldot) {
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(border) {
84 pt[0].x = dc.x;
85 pt[0].y = dc.y;
86 pt[1].x = dc.w - 1;
87 pt[1].y = 0;
88 pt[2].x = 0;
89 pt[2].y = dc.h - 1;
90 pt[3].x = -(dc.w - 1);
91 pt[3].y = 0;
92 pt[4].x = 0;
93 pt[4].y = -(dc.h - 1);
94 XDrawLines(dpy, dc.drawable, dc.gc, pt, 5, CoordModePrevious);
95 }
96 }
98 /* extern */
100 void
101 drawall(void) {
102 Client *c;
104 for(c = clients; c; c = getnext(c->next))
105 drawtitle(c);
106 drawstatus();
107 }
109 void
110 drawstatus(void) {
111 int i, x;
113 dc.x = dc.y = 0;
114 for(i = 0; i < ntags; i++) {
115 dc.w = textw(tags[i]);
116 if(seltag[i])
117 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
118 else
119 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
120 dc.x += dc.w;
121 }
122 dc.w = bmw;
123 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);
124 x = dc.x + dc.w;
125 dc.w = textw(stext);
126 dc.x = bw - dc.w;
127 if(dc.x < x) {
128 dc.x = x;
129 dc.w = bw - x;
130 }
131 drawtext(stext, dc.status, False, False);
132 if((dc.w = dc.x - x) > bh) {
133 dc.x = x;
134 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
135 }
136 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
137 XSync(dpy, False);
138 }
140 void
141 drawtitle(Client *c) {
142 if(c == sel && issel) {
143 drawstatus();
144 XUnmapWindow(dpy, c->twin);
145 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
146 return;
147 }
148 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
149 XMapWindow(dpy, c->twin);
150 dc.x = dc.y = 0;
151 dc.w = c->tw;
152 drawtext(c->name, dc.norm, False,False);
153 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
154 XSync(dpy, False);
155 }
157 unsigned long
158 getcolor(const char *colstr) {
159 Colormap cmap = DefaultColormap(dpy, screen);
160 XColor color;
162 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
163 eprint("error, cannot allocate color '%s'\n", colstr);
164 return color.pixel;
165 }
167 void
168 setfont(const char *fontstr) {
169 char **missing, *def;
170 int i, n;
172 missing = NULL;
173 setlocale(LC_ALL, "");
174 if(dc.font.set)
175 XFreeFontSet(dpy, dc.font.set);
176 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
177 if(missing) {
178 while(n--)
179 fprintf(stderr, "missing fontset: %s\n", missing[n]);
180 XFreeStringList(missing);
181 if(dc.font.set) {
182 XFreeFontSet(dpy, dc.font.set);
183 dc.font.set = NULL;
184 }
185 }
186 if(dc.font.set) {
187 XFontSetExtents *font_extents;
188 XFontStruct **xfonts;
189 char **font_names;
190 dc.font.ascent = dc.font.descent = 0;
191 font_extents = XExtentsOfFontSet(dc.font.set);
192 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
193 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
194 if(dc.font.ascent < (*xfonts)->ascent)
195 dc.font.ascent = (*xfonts)->ascent;
196 if(dc.font.descent < (*xfonts)->descent)
197 dc.font.descent = (*xfonts)->descent;
198 xfonts++;
199 }
200 }
201 else {
202 if(dc.font.xfont)
203 XFreeFont(dpy, dc.font.xfont);
204 dc.font.xfont = NULL;
205 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
206 if (!dc.font.xfont)
207 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
208 if (!dc.font.xfont)
209 eprint("error, cannot init 'fixed' font\n");
210 dc.font.ascent = dc.font.xfont->ascent;
211 dc.font.descent = dc.font.xfont->descent;
212 }
213 dc.font.height = dc.font.ascent + dc.font.descent;
214 }
216 unsigned int
217 textw(const char *text) {
218 return textnw(text, strlen(text)) + dc.font.height;
219 }