1 /* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com> |
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2 * See LICENSE file for license details. |
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3 */ |
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4 #include "dwm.h" |
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5 #include <stdio.h> |
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6 #include <string.h> |
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7 |
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8 /* static */ |
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9 |
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10 static Bool |
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11 isoccupied(unsigned int t) |
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12 { |
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13 Client *c; |
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14 for(c = clients; c; c = c->next) |
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15 if(c->tags[t]) |
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16 return True; |
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17 return False; |
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18 } |
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19 |
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20 static unsigned int |
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21 textnw(const char *text, unsigned int len) { |
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22 XRectangle r; |
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23 |
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24 if(dc.font.set) { |
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25 XmbTextExtents(dc.font.set, text, len, NULL, &r); |
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26 return r.width; |
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27 } |
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28 return XTextWidth(dc.font.xfont, text, len); |
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29 } |
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30 |
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31 static void |
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32 drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) { |
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33 int x, y, w, h; |
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34 static char buf[256]; |
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35 unsigned int len, olen; |
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36 XGCValues gcv; |
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37 XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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38 |
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39 XSetForeground(dpy, dc.gc, col[ColBG]); |
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40 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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41 if(!text) |
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42 return; |
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43 w = 0; |
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44 olen = len = strlen(text); |
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45 if(len >= sizeof buf) |
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46 len = sizeof buf - 1; |
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47 memcpy(buf, text, len); |
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48 buf[len] = 0; |
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49 h = dc.font.ascent + dc.font.descent; |
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50 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; |
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51 x = dc.x + (h / 2); |
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52 /* shorten text if necessary */ |
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53 while(len && (w = textnw(buf, len)) > dc.w - h) |
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54 buf[--len] = 0; |
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55 if(len < olen) { |
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56 if(len > 1) |
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57 buf[len - 1] = '.'; |
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58 if(len > 2) |
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59 buf[len - 2] = '.'; |
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60 if(len > 3) |
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61 buf[len - 3] = '.'; |
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62 } |
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63 if(w > dc.w) |
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64 return; /* too long */ |
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65 gcv.foreground = col[ColFG]; |
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66 if(dc.font.set) { |
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67 XChangeGC(dpy, dc.gc, GCForeground, &gcv); |
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68 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); |
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69 } |
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70 else { |
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71 gcv.font = dc.font.xfont->fid; |
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72 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv); |
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73 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
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74 } |
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75 x = (h + 2) / 4; |
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76 r.x = dc.x + 1; |
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77 r.y = dc.y + 1; |
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78 if(filledsquare) { |
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79 r.width = r.height = x + 1; |
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80 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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81 } |
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82 else if(emptysquare) { |
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83 r.width = r.height = x; |
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84 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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85 } |
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86 } |
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87 |
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88 /* extern */ |
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89 |
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90 void |
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91 drawstatus(void) { |
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92 int i, x; |
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93 |
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94 dc.x = dc.y = 0; |
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95 for(i = 0; i < ntags; i++) { |
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96 dc.w = textw(tags[i]); |
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97 if(seltag[i]) |
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98 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i)); |
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99 else |
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100 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i)); |
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101 dc.x += dc.w; |
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102 } |
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103 dc.w = bmw; |
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104 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.norm, False, False); |
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105 x = dc.x + dc.w; |
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106 dc.w = textw(stext); |
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107 dc.x = sw - dc.w; |
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108 if(dc.x < x) { |
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109 dc.x = x; |
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110 dc.w = sw - x; |
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111 } |
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112 drawtext(stext, dc.norm, False, False); |
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113 if((dc.w = dc.x - x) > bh) { |
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114 dc.x = x; |
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115 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False); |
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116 } |
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117 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0); |
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118 XSync(dpy, False); |
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119 } |
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120 |
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121 unsigned long |
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122 getcolor(const char *colstr) { |
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123 Colormap cmap = DefaultColormap(dpy, screen); |
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124 XColor color; |
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125 |
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126 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) |
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127 eprint("error, cannot allocate color '%s'\n", colstr); |
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128 return color.pixel; |
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129 } |
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130 |
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131 void |
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132 setfont(const char *fontstr) { |
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133 char *def, **missing; |
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134 int i, n; |
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135 |
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136 missing = NULL; |
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137 if(dc.font.set) |
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138 XFreeFontSet(dpy, dc.font.set); |
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139 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); |
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140 if(missing) { |
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141 while(n--) |
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142 fprintf(stderr, "missing fontset: %s\n", missing[n]); |
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143 XFreeStringList(missing); |
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144 } |
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145 if(dc.font.set) { |
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146 XFontSetExtents *font_extents; |
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147 XFontStruct **xfonts; |
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148 char **font_names; |
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149 dc.font.ascent = dc.font.descent = 0; |
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150 font_extents = XExtentsOfFontSet(dc.font.set); |
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151 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); |
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152 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { |
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153 if(dc.font.ascent < (*xfonts)->ascent) |
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154 dc.font.ascent = (*xfonts)->ascent; |
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155 if(dc.font.descent < (*xfonts)->descent) |
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156 dc.font.descent = (*xfonts)->descent; |
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157 xfonts++; |
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158 } |
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159 } |
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160 else { |
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161 if(dc.font.xfont) |
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162 XFreeFont(dpy, dc.font.xfont); |
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163 dc.font.xfont = NULL; |
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164 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) |
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165 eprint("error, cannot load font: '%s'\n", fontstr); |
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166 dc.font.ascent = dc.font.xfont->ascent; |
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167 dc.font.descent = dc.font.xfont->descent; |
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168 } |
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169 dc.font.height = dc.font.ascent + dc.font.descent; |
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170 } |
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171 |
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172 unsigned int |
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173 textw(const char *text) { |
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174 return textnw(text, strlen(text)) + dc.font.height; |
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175 } |
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