dwm-meillo

view draw.c @ 74:5370ef170cc9

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author Anselm R. Garbe <garbeam@wmii.de>
date Fri, 14 Jul 2006 22:54:09 +0200
parents c2ddb9dbbd10
children f08271b7cb20
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
6 #include <stdio.h>
7 #include <string.h>
8
9 #include <X11/Xlocale.h>
10
11 #include "dwm.h"
12
13 void
14 drawstatus()
15 {
16 int i;
17
18 dc.x = dc.y = 0;
19 dc.w = bw;
20 drawtext(NULL, False, False);
21
22 if(arrange == floating) {
23 dc.w = textw("~");
24 drawtext("~", False, False);
25 }
26 else
27 dc.w = 0;
28 for(i = 0; i < TLast; i++) {
29 dc.x += dc.w;
30 dc.w = textw(tags[i]);
31 drawtext(tags[i], i == tsel, True);
32 }
33 if(sel) {
34 dc.x += dc.w;
35 dc.w = textw(sel->name);
36 drawtext(sel->name, True, True);
37 }
38 dc.w = textw(stext);
39 dc.x = bx + bw - dc.w;
40 drawtext(stext, False, False);
41
42 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
43 XFlush(dpy);
44 }
45
46 void
47 drawtitle(Client *c)
48 {
49 int i;
50 if(c == sel) {
51 drawstatus();
52 XUnmapWindow(dpy, c->title);
53 XSetWindowBorder(dpy, c->win, dc.fg);
54 return;
55 }
56
57 XSetWindowBorder(dpy, c->win, dc.bg);
58 XMapWindow(dpy, c->title);
59
60 dc.x = dc.y = 0;
61
62 dc.w = 0;
63 for(i = 0; i < TLast; i++) {
64 if(c->tags[i]) {
65 dc.x += dc.w;
66 dc.w = textw(c->tags[i]);
67 drawtext(c->tags[i], False, True);
68 }
69 }
70 dc.x += dc.w;
71 dc.w = textw(c->name);
72 drawtext(c->name, False, True);
73 XCopyArea(dpy, dc.drawable, c->title, dc.gc,
74 0, 0, c->tw, c->th, 0, 0);
75 XFlush(dpy);
76 }
77
78 static void
79 drawborder(void)
80 {
81 XPoint points[5];
82 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
83 XSetForeground(dpy, dc.gc, dc.border);
84 points[0].x = dc.x;
85 points[0].y = dc.y;
86 points[1].x = dc.w - 1;
87 points[1].y = 0;
88 points[2].x = 0;
89 points[2].y = dc.h - 1;
90 points[3].x = -(dc.w - 1);
91 points[3].y = 0;
92 points[4].x = 0;
93 points[4].y = -(dc.h - 1);
94 XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious);
95 }
96
97 void
98 drawtext(const char *text, Bool invert, Bool border)
99 {
100 int x, y, w, h;
101 unsigned int len;
102 static char buf[256];
103 XGCValues gcv;
104 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
105
106 XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
107 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
108
109 w = 0;
110 if(border)
111 drawborder();
112
113 if(!text)
114 return;
115
116 len = strlen(text);
117 if(len >= sizeof(buf))
118 len = sizeof(buf) - 1;
119 memcpy(buf, text, len);
120 buf[len] = 0;
121
122 h = dc.font.ascent + dc.font.descent;
123 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
124 x = dc.x + (h / 2);
125
126 /* shorten text if necessary */
127 while(len && (w = textnw(buf, len)) > dc.w - h)
128 buf[--len] = 0;
129
130 if(w > dc.w)
131 return; /* too long */
132
133 gcv.foreground = invert ? dc.bg : dc.fg;
134 gcv.background = invert ? dc.fg : dc.bg;
135 if(dc.font.set) {
136 XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
137 XmbDrawImageString(dpy, dc.drawable, dc.font.set, dc.gc,
138 x, y, buf, len);
139 }
140 else {
141 gcv.font = dc.font.xfont->fid;
142 XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
143 XDrawImageString(dpy, dc.drawable, dc.gc, x, y, buf, len);
144 }
145 }
146
147 unsigned long
148 getcolor(const char *colstr)
149 {
150 XColor color;
151 Colormap cmap = DefaultColormap(dpy, screen);
152
153 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
154 return color.pixel;
155 }
156
157 unsigned int
158 textnw(char *text, unsigned int len)
159 {
160 XRectangle r;
161 if(dc.font.set) {
162 XmbTextExtents(dc.font.set, text, len, NULL, &r);
163 return r.width;
164 }
165 return XTextWidth(dc.font.xfont, text, len);
166 }
167
168 unsigned int
169 textw(char *text)
170 {
171 return textnw(text, strlen(text)) + dc.font.height;
172 }
173
174 void
175 setfont(const char *fontstr)
176 {
177 char **missing, *def;
178 int i, n;
179
180 missing = NULL;
181 setlocale(LC_ALL, "");
182 if(dc.font.set)
183 XFreeFontSet(dpy, dc.font.set);
184 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
185 if(missing) {
186 while(n--)
187 fprintf(stderr, "missing fontset: %s\n", missing[n]);
188 XFreeStringList(missing);
189 if(dc.font.set) {
190 XFreeFontSet(dpy, dc.font.set);
191 dc.font.set = NULL;
192 }
193 }
194 if(dc.font.set) {
195 XFontSetExtents *font_extents;
196 XFontStruct **xfonts;
197 char **font_names;
198
199 dc.font.ascent = dc.font.descent = 0;
200 font_extents = XExtentsOfFontSet(dc.font.set);
201 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
202 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
203 if(dc.font.ascent < (*xfonts)->ascent)
204 dc.font.ascent = (*xfonts)->ascent;
205 if(dc.font.descent < (*xfonts)->descent)
206 dc.font.descent = (*xfonts)->descent;
207 xfonts++;
208 }
209 }
210 else {
211 if(dc.font.xfont)
212 XFreeFont(dpy, dc.font.xfont);
213 dc.font.xfont = NULL;
214 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
215 if (!dc.font.xfont)
216 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
217 if (!dc.font.xfont)
218 error("error, cannot init 'fixed' font\n");
219 dc.font.ascent = dc.font.xfont->ascent;
220 dc.font.descent = dc.font.xfont->descent;
221 }
222 dc.font.height = dc.font.ascent + dc.font.descent;
223 }