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1 /* See LICENSE file for copyright and license details. */ |
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2 #include "dwm.h" |
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3 #include <string.h> |
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4 #include <stdio.h> |
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5 |
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6 /* static */ |
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7 |
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8 static void |
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9 drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) { |
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10 int x; |
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11 XGCValues gcv; |
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12 XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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13 |
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14 gcv.foreground = col[ColFG]; |
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15 XChangeGC(dpy, dc.gc, GCForeground, &gcv); |
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16 x = (dc.font.ascent + dc.font.descent + 2) / 4; |
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17 r.x = dc.x + 1; |
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18 r.y = dc.y + 1; |
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19 if(filled) { |
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20 r.width = r.height = x + 1; |
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21 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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22 } |
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23 else if(empty) { |
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24 r.width = r.height = x; |
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25 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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26 } |
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27 } |
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28 |
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29 static unsigned long |
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30 initcolor(const char *colstr) { |
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31 Colormap cmap = DefaultColormap(dpy, screen); |
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32 XColor color; |
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33 |
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34 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) |
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35 eprint("error, cannot allocate color '%s'\n", colstr); |
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36 return color.pixel; |
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37 } |
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38 |
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39 static void |
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40 initfont(const char *fontstr) { |
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41 char *def, **missing; |
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42 int i, n; |
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43 |
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44 missing = NULL; |
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45 if(dc.font.set) |
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46 XFreeFontSet(dpy, dc.font.set); |
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47 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); |
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48 if(missing) { |
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49 while(n--) |
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50 fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]); |
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51 XFreeStringList(missing); |
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52 } |
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53 if(dc.font.set) { |
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54 XFontSetExtents *font_extents; |
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55 XFontStruct **xfonts; |
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56 char **font_names; |
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57 dc.font.ascent = dc.font.descent = 0; |
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58 font_extents = XExtentsOfFontSet(dc.font.set); |
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59 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); |
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60 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { |
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61 if(dc.font.ascent < (*xfonts)->ascent) |
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62 dc.font.ascent = (*xfonts)->ascent; |
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63 if(dc.font.descent < (*xfonts)->descent) |
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64 dc.font.descent = (*xfonts)->descent; |
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65 xfonts++; |
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66 } |
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67 } |
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68 else { |
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69 if(dc.font.xfont) |
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70 XFreeFont(dpy, dc.font.xfont); |
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71 dc.font.xfont = NULL; |
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72 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) |
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73 eprint("error, cannot load font: '%s'\n", fontstr); |
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74 dc.font.ascent = dc.font.xfont->ascent; |
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75 dc.font.descent = dc.font.xfont->descent; |
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76 } |
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77 dc.font.height = dc.font.ascent + dc.font.descent; |
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78 } |
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79 |
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80 static Bool |
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81 isoccupied(unsigned int t) { |
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82 Client *c; |
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83 |
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84 for(c = clients; c; c = c->next) |
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85 if(c->tags[t]) |
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86 return True; |
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87 return False; |
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88 } |
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89 |
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90 static unsigned int |
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91 textnw(const char *text, unsigned int len) { |
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92 XRectangle r; |
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93 |
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94 if(dc.font.set) { |
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95 XmbTextExtents(dc.font.set, text, len, NULL, &r); |
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96 return r.width; |
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97 } |
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98 return XTextWidth(dc.font.xfont, text, len); |
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99 } |
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100 |
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101 static void |
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102 drawtext(const char *text, unsigned long col[ColLast]) { |
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103 int x, y, w, h; |
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104 static char buf[256]; |
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105 unsigned int len, olen; |
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106 XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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107 |
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108 XSetForeground(dpy, dc.gc, col[ColBG]); |
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109 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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110 if(!text) |
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111 return; |
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112 w = 0; |
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113 olen = len = strlen(text); |
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114 if(len >= sizeof buf) |
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115 len = sizeof buf - 1; |
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116 memcpy(buf, text, len); |
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117 buf[len] = 0; |
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118 h = dc.font.ascent + dc.font.descent; |
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119 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; |
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120 x = dc.x + (h / 2); |
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121 /* shorten text if necessary */ |
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122 while(len && (w = textnw(buf, len)) > dc.w - h) |
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123 buf[--len] = 0; |
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124 if(len < olen) { |
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125 if(len > 1) |
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126 buf[len - 1] = '.'; |
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127 if(len > 2) |
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128 buf[len - 2] = '.'; |
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129 if(len > 3) |
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130 buf[len - 3] = '.'; |
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131 } |
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132 if(w > dc.w) |
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133 return; /* too long */ |
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134 XSetForeground(dpy, dc.gc, col[ColFG]); |
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135 if(dc.font.set) |
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136 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); |
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137 else |
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138 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
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139 } |
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140 |
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141 /* extern */ |
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142 |
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143 unsigned int bh; |
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144 unsigned int bpos = BARPOS; |
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145 DC dc = {0}; |
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146 Window barwin; |
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147 |
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148 void |
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149 drawbar(void) { |
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150 int i, x; |
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151 |
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152 dc.x = dc.y = 0; |
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153 for(i = 0; i < ntags; i++) { |
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154 dc.w = textw(tags[i]); |
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155 if(seltags[i]) { |
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156 drawtext(tags[i], dc.sel); |
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157 drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel); |
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158 } |
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159 else { |
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160 drawtext(tags[i], dc.norm); |
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161 drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm); |
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162 } |
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163 dc.x += dc.w; |
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164 } |
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165 dc.w = blw; |
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166 drawtext(getsymbol(), dc.norm); |
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167 x = dc.x + dc.w; |
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168 dc.w = textw(stext); |
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169 dc.x = sw - dc.w; |
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170 if(dc.x < x) { |
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171 dc.x = x; |
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172 dc.w = sw - x; |
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173 } |
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174 drawtext(stext, dc.norm); |
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175 if((dc.w = dc.x - x) > bh) { |
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176 dc.x = x; |
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177 if(sel) { |
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178 drawtext(sel->name, dc.sel); |
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179 drawsquare(sel->ismax, sel->isfloating, dc.sel); |
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180 } |
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181 else |
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182 drawtext(NULL, dc.norm); |
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183 } |
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184 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0); |
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185 XSync(dpy, False); |
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186 } |
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187 |
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188 void |
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189 initbar(void) { |
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190 XSetWindowAttributes wa; |
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191 |
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192 dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR); |
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193 dc.norm[ColBG] = initcolor(NORMBGCOLOR); |
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194 dc.norm[ColFG] = initcolor(NORMFGCOLOR); |
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195 dc.sel[ColBorder] = initcolor(SELBORDERCOLOR); |
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196 dc.sel[ColBG] = initcolor(SELBGCOLOR); |
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197 dc.sel[ColFG] = initcolor(SELFGCOLOR); |
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198 initfont(FONT); |
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199 dc.h = bh = dc.font.height + 2; |
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200 wa.override_redirect = 1; |
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201 wa.background_pixmap = ParentRelative; |
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202 wa.event_mask = ButtonPressMask | ExposureMask; |
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203 barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0, |
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204 DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), |
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205 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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206 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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207 updatebarpos(); |
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208 XMapRaised(dpy, barwin); |
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209 strcpy(stext, "dwm-"VERSION); |
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210 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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211 dc.gc = XCreateGC(dpy, root, 0, 0); |
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212 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); |
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213 if(!dc.font.set) |
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214 XSetFont(dpy, dc.gc, dc.font.xfont->fid); |
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215 } |
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216 |
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217 unsigned int |
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218 textw(const char *text) { |
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219 return textnw(text, strlen(text)) + dc.font.height; |
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220 } |
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221 |
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222 void |
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223 togglebar(const char *arg) { |
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224 if(bpos == BarOff) |
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225 bpos = (BARPOS == BarOff) ? BarTop : BARPOS; |
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226 else |
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227 bpos = BarOff; |
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228 updatebarpos(); |
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229 arrange(); |
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230 } |
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231 |
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232 void |
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233 updatebarpos(void) { |
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234 XEvent ev; |
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235 |
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236 wax = sx; |
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237 way = sy; |
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238 wah = sh; |
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239 waw = sw; |
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240 switch(bpos) { |
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241 default: |
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242 wah -= bh; |
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243 way += bh; |
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244 XMoveWindow(dpy, barwin, sx, sy); |
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245 break; |
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246 case BarBot: |
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247 wah -= bh; |
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248 XMoveWindow(dpy, barwin, sx, sy + wah); |
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249 break; |
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250 case BarOff: |
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251 XMoveWindow(dpy, barwin, sx, sy - bh); |
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252 break; |
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253 } |
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254 XSync(dpy, False); |
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255 while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); |
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256 } |
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257 |
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258 |