Mercurial > dwm-meillo
annotate draw.c @ 342:a1901753deef
updated man page
| author | Anselm R. Garbe <arg@10kloc.org> |
|---|---|
| date | Wed, 23 Aug 2006 18:50:46 +0200 |
| parents | ae0affabdc02 |
| children | 93192711a36a |
| rev | line source |
|---|---|
| 2 | 1 /* |
| 2 * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
| 4 */ | |
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5 #include "dwm.h" |
| 2 | 6 #include <stdio.h> |
| 7 #include <string.h> | |
| 32 | 8 #include <X11/Xlocale.h> |
| 9 | |
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10 /* static */ |
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11 |
| 77 | 12 static unsigned int |
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13 textnw(const char *text, unsigned int len) |
| 75 | 14 { |
| 77 | 15 XRectangle r; |
| 123 | 16 |
| 77 | 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); | |
| 75 | 22 } |
| 23 | |
| 77 | 24 static void |
| 342 | 25 drawborder() |
| 2 | 26 { |
| 257 | 27 XPoint points[5]; |
| 28 points[0].x = dc.x; | |
| 29 points[0].y = dc.y; | |
| 30 points[1].x = dc.w - 1; | |
| 31 points[1].y = 0; | |
| 32 points[2].x = 0; | |
| 33 points[2].y = dc.h - 1; | |
| 34 points[3].x = -(dc.w - 1); | |
| 35 points[3].y = 0; | |
| 36 points[4].x = 0; | |
| 37 points[4].y = -(dc.h - 1); | |
| 38 XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious); | |
| 342 | 39 } |
| 40 | |
| 41 static void | |
| 42 drawtext(const char *text, Bool invert, Bool highlight) | |
| 43 { | |
| 44 int x, y, w, h; | |
| 45 static char buf[256]; | |
| 46 unsigned int len, olen; | |
| 47 DC tmp; | |
| 48 XGCValues gcv; | |
| 49 XRectangle r = { dc.x, dc.y, dc.w, dc.h }; | |
| 50 | |
| 51 XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg); | |
| 52 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); | |
| 53 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); | |
| 54 XSetForeground(dpy, dc.gc, dc.border); | |
| 55 drawborder(); | |
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57 if(!text) |
| 2 | 58 return; |
| 59 | |
| 218 | 60 w = 0; |
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61 olen = len = strlen(text); |
| 2 | 62 if(len >= sizeof(buf)) |
| 63 len = sizeof(buf) - 1; | |
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64 memcpy(buf, text, len); |
| 2 | 65 buf[len] = 0; |
| 66 | |
| 34 | 67 h = dc.font.ascent + dc.font.descent; |
| 68 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; | |
| 69 x = dc.x + (h / 2); | |
| 2 | 70 |
| 71 /* shorten text if necessary */ | |
| 43 | 72 while(len && (w = textnw(buf, len)) > dc.w - h) |
| 2 | 73 buf[--len] = 0; |
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74 if(len < olen) { |
| 273 | 75 if(len > 1) |
| 76 buf[len - 1] = '.'; | |
| 77 if(len > 2) | |
| 78 buf[len - 2] = '.'; | |
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79 if(len > 3) |
| 273 | 80 buf[len - 3] = '.'; |
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81 } |
| 2 | 82 |
| 34 | 83 if(w > dc.w) |
| 2 | 84 return; /* too long */ |
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85 gcv.foreground = invert ? dc.bg : dc.fg; |
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86 gcv.background = invert ? dc.fg : dc.bg; |
| 34 | 87 if(dc.font.set) { |
| 88 XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv); | |
| 342 | 89 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); |
| 2 | 90 } |
| 91 else { | |
| 34 | 92 gcv.font = dc.font.xfont->fid; |
| 93 XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv); | |
| 342 | 94 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
| 95 } | |
| 96 if(highlight) { | |
| 97 tmp = dc; | |
| 98 dc.x += 2; | |
| 99 dc.y += 2; | |
| 100 dc.w -= 4; | |
| 101 dc.h -= 4; | |
| 102 drawborder(); | |
| 103 dc = tmp; | |
| 2 | 104 } |
| 105 } | |
| 106 | |
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107 /* extern */ |
| 77 | 108 |
| 109 void | |
| 110 drawall() | |
| 111 { | |
| 112 Client *c; | |
| 113 | |
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114 for(c = clients; c; c = getnext(c->next)) |
| 77 | 115 drawtitle(c); |
| 116 drawstatus(); | |
| 117 } | |
| 118 | |
| 119 void | |
| 120 drawstatus() | |
| 121 { | |
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122 int i, x; |
| 77 | 123 Bool istile = arrange == dotile; |
| 124 | |
| 125 dc.x = dc.y = 0; | |
| 126 dc.w = bw; | |
| 342 | 127 drawtext(NULL, !istile, False); |
| 77 | 128 |
| 129 dc.w = 0; | |
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130 for(i = 0; i < ntags; i++) { |
| 77 | 131 dc.x += dc.w; |
| 132 dc.w = textw(tags[i]); | |
| 133 if(istile) | |
| 342 | 134 drawtext(tags[i], seltag[i], sel && sel->tags[i]); |
| 77 | 135 else |
| 342 | 136 drawtext(tags[i], !seltag[i], sel && sel->tags[i]); |
| 77 | 137 } |
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138 x = dc.x + dc.w; |
| 77 | 139 dc.w = textw(stext); |
| 140 dc.x = bx + bw - dc.w; | |
| 342 | 141 if(dc.x < x) { |
| 142 dc.x = x; | |
| 143 dc.w = bw - x; | |
| 144 } | |
| 145 drawtext(stext, !istile, False); | |
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146 |
| 342 | 147 if(sel && ((dc.w = dc.x - x) > bh)) { |
| 148 dc.x = x; | |
| 149 drawtext(sel->name, istile, False); | |
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150 } |
| 77 | 151 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0); |
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152 XSync(dpy, False); |
| 77 | 153 } |
| 154 | |
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155 void |
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156 drawtitle(Client *c) |
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157 { |
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158 int i; |
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159 Bool istile = arrange == dotile; |
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160 |
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161 if(c == sel && issel) { |
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162 drawstatus(); |
| 342 | 163 XUnmapWindow(dpy, c->twin); |
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164 XSetWindowBorder(dpy, c->win, dc.fg); |
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165 return; |
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166 } |
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167 |
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168 XSetWindowBorder(dpy, c->win, dc.bg); |
| 342 | 169 XMapWindow(dpy, c->twin); |
| 170 dc.x = dc.y = 0; | |
| 171 dc.w = c->tw; | |
| 172 drawtext(c->name, !istile, False); | |
| 173 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0); | |
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174 XSync(dpy, False); |
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175 } |
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176 |
| 43 | 177 unsigned long |
| 74 | 178 getcolor(const char *colstr) |
| 2 | 179 { |
| 123 | 180 Colormap cmap = DefaultColormap(dpy, screen); |
| 2 | 181 XColor color; |
| 43 | 182 |
| 2 | 183 XAllocNamedColor(dpy, cmap, colstr, &color, &color); |
| 184 return color.pixel; | |
| 185 } | |
| 186 | |
| 187 void | |
| 74 | 188 setfont(const char *fontstr) |
| 2 | 189 { |
| 190 char **missing, *def; | |
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191 int i, n; |
| 2 | 192 |
| 7 | 193 missing = NULL; |
| 2 | 194 setlocale(LC_ALL, ""); |
| 43 | 195 if(dc.font.set) |
| 196 XFreeFontSet(dpy, dc.font.set); | |
| 197 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); | |
| 2 | 198 if(missing) { |
| 199 while(n--) | |
| 200 fprintf(stderr, "missing fontset: %s\n", missing[n]); | |
| 201 XFreeStringList(missing); | |
| 43 | 202 if(dc.font.set) { |
| 203 XFreeFontSet(dpy, dc.font.set); | |
| 204 dc.font.set = NULL; | |
| 2 | 205 } |
| 206 } | |
| 43 | 207 if(dc.font.set) { |
| 2 | 208 XFontSetExtents *font_extents; |
| 209 XFontStruct **xfonts; | |
| 210 char **font_names; | |
| 211 | |
| 43 | 212 dc.font.ascent = dc.font.descent = 0; |
| 213 font_extents = XExtentsOfFontSet(dc.font.set); | |
| 214 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); | |
| 215 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { | |
| 216 if(dc.font.ascent < (*xfonts)->ascent) | |
| 217 dc.font.ascent = (*xfonts)->ascent; | |
| 218 if(dc.font.descent < (*xfonts)->descent) | |
| 219 dc.font.descent = (*xfonts)->descent; | |
| 2 | 220 xfonts++; |
| 221 } | |
| 222 } | |
| 223 else { | |
| 43 | 224 if(dc.font.xfont) |
| 225 XFreeFont(dpy, dc.font.xfont); | |
| 226 dc.font.xfont = NULL; | |
| 227 dc.font.xfont = XLoadQueryFont(dpy, fontstr); | |
| 228 if (!dc.font.xfont) | |
| 229 dc.font.xfont = XLoadQueryFont(dpy, "fixed"); | |
| 230 if (!dc.font.xfont) | |
| 75 | 231 eprint("error, cannot init 'fixed' font\n"); |
| 43 | 232 dc.font.ascent = dc.font.xfont->ascent; |
| 233 dc.font.descent = dc.font.xfont->descent; | |
| 2 | 234 } |
| 43 | 235 dc.font.height = dc.font.ascent + dc.font.descent; |
| 2 | 236 } |
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237 |
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238 unsigned int |
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239 textw(const char *text) |
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240 { |
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241 return textnw(text, strlen(text)) + dc.font.height; |
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242 } |