Mercurial > aewl
annotate draw.c @ 364:d955a84b7d4b
updated man page of dwm
| author | Anselm R. Garbe <arg@10kloc.org> |
|---|---|
| date | Fri, 25 Aug 2006 16:21:45 +0200 |
| parents | ba6c55e1b9b2 |
| children | fc9d35252ab4 |
| 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 |
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25 drawtext(const char *text, unsigned long col[ColLast], Bool highlight) |
| 2 | 26 { |
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27 int x, y, w, h; |
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28 static char buf[256]; |
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29 unsigned int len, olen; |
| 352 | 30 XGCValues gcv; |
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31 XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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32 |
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33 XSetForeground(dpy, dc.gc, col[ColBG]); |
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34 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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36 if(!text) |
| 2 | 37 return; |
| 38 | |
| 218 | 39 w = 0; |
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40 olen = len = strlen(text); |
| 2 | 41 if(len >= sizeof(buf)) |
| 42 len = sizeof(buf) - 1; | |
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43 memcpy(buf, text, len); |
| 2 | 44 buf[len] = 0; |
| 45 | |
| 34 | 46 h = dc.font.ascent + dc.font.descent; |
| 47 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; | |
| 48 x = dc.x + (h / 2); | |
| 2 | 49 |
| 50 /* shorten text if necessary */ | |
| 43 | 51 while(len && (w = textnw(buf, len)) > dc.w - h) |
| 2 | 52 buf[--len] = 0; |
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53 if(len < olen) { |
| 273 | 54 if(len > 1) |
| 55 buf[len - 1] = '.'; | |
| 56 if(len > 2) | |
| 57 buf[len - 2] = '.'; | |
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58 if(len > 3) |
| 273 | 59 buf[len - 3] = '.'; |
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60 } |
| 2 | 61 |
| 34 | 62 if(w > dc.w) |
| 2 | 63 return; /* too long */ |
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64 gcv.foreground = col[ColFG]; |
| 352 | 65 if(dc.font.set) { |
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66 XChangeGC(dpy, dc.gc, GCForeground, &gcv); |
| 342 | 67 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); |
| 352 | 68 } |
| 2 | 69 else { |
| 352 | 70 gcv.font = dc.font.xfont->fid; |
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71 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv); |
| 342 | 72 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
| 73 } | |
| 345 | 74 if(highlight) { |
| 352 | 75 r.x = dc.x + 2; |
| 76 r.y = dc.y + 2; | |
| 77 r.width = r.height = 3; | |
| 78 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); | |
| 2 | 79 } |
| 80 } | |
| 81 | |
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82 /* extern */ |
| 77 | 83 |
| 84 void | |
| 85 drawall() | |
| 86 { | |
| 87 Client *c; | |
| 88 | |
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89 for(c = clients; c; c = getnext(c->next)) |
| 77 | 90 drawtitle(c); |
| 91 drawstatus(); | |
| 92 } | |
| 93 | |
| 94 void | |
| 95 drawstatus() | |
| 96 { | |
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97 int i, x; |
| 77 | 98 |
| 99 dc.x = dc.y = 0; | |
| 100 dc.w = bw; | |
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101 |
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102 drawtext(NULL, dc.status, False); |
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103 for(i = 0; i < ntags; i++) { |
| 77 | 104 dc.w = textw(tags[i]); |
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105 if(seltag[i]) |
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106 drawtext(tags[i], dc.sel, sel && sel->tags[i]); |
| 77 | 107 else |
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108 drawtext(tags[i], dc.norm, sel && sel->tags[i]); |
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109 dc.x += dc.w; |
| 77 | 110 } |
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111 |
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112 dc.w = bmw; |
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113 drawtext(arrange == dotile ? TILESYMBOL : FLOATSYMBOL, dc.status, False); |
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114 |
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115 x = dc.x + dc.w; |
| 77 | 116 dc.w = textw(stext); |
| 117 dc.x = bx + bw - dc.w; | |
| 342 | 118 if(dc.x < x) { |
| 119 dc.x = x; | |
| 120 dc.w = bw - x; | |
| 121 } | |
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122 drawtext(stext, dc.status, False); |
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123 |
| 342 | 124 if(sel && ((dc.w = dc.x - x) > bh)) { |
| 125 dc.x = x; | |
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126 drawtext(sel->name, dc.sel, False); |
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127 } |
| 77 | 128 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0); |
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129 XSync(dpy, False); |
| 77 | 130 } |
| 131 | |
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132 void |
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133 drawtitle(Client *c) |
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134 { |
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135 int i; |
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136 |
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137 if(c == sel && issel) { |
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138 drawstatus(); |
| 342 | 139 XUnmapWindow(dpy, c->twin); |
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140 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]); |
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141 return; |
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142 } |
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143 |
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144 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]); |
| 342 | 145 XMapWindow(dpy, c->twin); |
| 146 dc.x = dc.y = 0; | |
| 147 dc.w = c->tw; | |
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148 drawtext(c->name, dc.norm, False); |
| 342 | 149 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0); |
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150 XSync(dpy, False); |
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151 } |
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152 |
| 43 | 153 unsigned long |
| 74 | 154 getcolor(const char *colstr) |
| 2 | 155 { |
| 123 | 156 Colormap cmap = DefaultColormap(dpy, screen); |
| 2 | 157 XColor color; |
| 43 | 158 |
| 2 | 159 XAllocNamedColor(dpy, cmap, colstr, &color, &color); |
| 160 return color.pixel; | |
| 161 } | |
| 162 | |
| 163 void | |
| 74 | 164 setfont(const char *fontstr) |
| 2 | 165 { |
| 166 char **missing, *def; | |
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167 int i, n; |
| 2 | 168 |
| 7 | 169 missing = NULL; |
| 2 | 170 setlocale(LC_ALL, ""); |
| 43 | 171 if(dc.font.set) |
| 172 XFreeFontSet(dpy, dc.font.set); | |
| 173 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); | |
| 2 | 174 if(missing) { |
| 175 while(n--) | |
| 176 fprintf(stderr, "missing fontset: %s\n", missing[n]); | |
| 177 XFreeStringList(missing); | |
| 43 | 178 if(dc.font.set) { |
| 179 XFreeFontSet(dpy, dc.font.set); | |
| 180 dc.font.set = NULL; | |
| 2 | 181 } |
| 182 } | |
| 43 | 183 if(dc.font.set) { |
| 2 | 184 XFontSetExtents *font_extents; |
| 185 XFontStruct **xfonts; | |
| 186 char **font_names; | |
| 187 | |
| 43 | 188 dc.font.ascent = dc.font.descent = 0; |
| 189 font_extents = XExtentsOfFontSet(dc.font.set); | |
| 190 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); | |
| 191 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { | |
| 192 if(dc.font.ascent < (*xfonts)->ascent) | |
| 193 dc.font.ascent = (*xfonts)->ascent; | |
| 194 if(dc.font.descent < (*xfonts)->descent) | |
| 195 dc.font.descent = (*xfonts)->descent; | |
| 2 | 196 xfonts++; |
| 197 } | |
| 198 } | |
| 199 else { | |
| 43 | 200 if(dc.font.xfont) |
| 201 XFreeFont(dpy, dc.font.xfont); | |
| 202 dc.font.xfont = NULL; | |
| 203 dc.font.xfont = XLoadQueryFont(dpy, fontstr); | |
| 204 if (!dc.font.xfont) | |
| 205 dc.font.xfont = XLoadQueryFont(dpy, "fixed"); | |
| 206 if (!dc.font.xfont) | |
| 75 | 207 eprint("error, cannot init 'fixed' font\n"); |
| 43 | 208 dc.font.ascent = dc.font.xfont->ascent; |
| 209 dc.font.descent = dc.font.xfont->descent; | |
| 2 | 210 } |
| 43 | 211 dc.font.height = dc.font.ascent + dc.font.descent; |
| 2 | 212 } |
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213 |
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214 unsigned int |
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215 textw(const char *text) |
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216 { |
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217 return textnw(text, strlen(text)) + dc.font.height; |
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218 } |