Mercurial > dwm-meillo
annotate draw.c @ 31:386649deb651
before leaning things up
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Thu, 13 Jul 2006 01:04:38 +0200 |
| parents | 2e0fb4130bfb |
| children | 082c75b937b5 |
| 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 */ | |
| 5 | |
| 6 #include <stdio.h> | |
| 7 #include <string.h> | |
| 8 | |
| 9 #include "draw.h" | |
| 10 #include "util.h" | |
| 11 | |
| 12 static void | |
| 13 drawborder(Display *dpy, Brush *b) | |
| 14 { | |
| 15 XPoint points[5]; | |
| 16 XSetLineAttributes(dpy, b->gc, 1, LineSolid, CapButt, JoinMiter); | |
|
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17 XSetForeground(dpy, b->gc, b->border); |
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18 points[0].x = b->x; |
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parents:
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19 points[0].y = b->y; |
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parents:
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20 points[1].x = b->w - 1; |
| 2 | 21 points[1].y = 0; |
| 22 points[2].x = 0; | |
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parents:
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23 points[2].y = b->h - 1; |
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Anselm R. Garbe <garbeam@wmii.de>
parents:
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24 points[3].x = -(b->w - 1); |
| 2 | 25 points[3].y = 0; |
| 26 points[4].x = 0; | |
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parents:
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27 points[4].y = -(b->h - 1); |
| 2 | 28 XDrawLines(dpy, b->drawable, b->gc, points, 5, CoordModePrevious); |
| 29 } | |
| 30 | |
| 31 void | |
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32 draw(Display *dpy, Brush *b, Bool border, const char *text) |
| 2 | 33 { |
| 34 unsigned int x, y, w, h, len; | |
| 35 static char buf[256]; | |
| 36 XGCValues gcv; | |
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parents:
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37 XRectangle r = { b->x, b->y, b->w, b->h }; |
| 2 | 38 |
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parents:
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39 XSetForeground(dpy, b->gc, b->bg); |
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parents:
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40 XFillRectangles(dpy, b->drawable, b->gc, &r, 1); |
| 2 | 41 |
|
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42 w = 0; |
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parents:
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43 if(border) |
| 2 | 44 drawborder(dpy, b); |
| 45 | |
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parents:
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46 if(!text) |
| 2 | 47 return; |
| 48 | |
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parents:
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49 len = strlen(text); |
| 2 | 50 if(len >= sizeof(buf)) |
| 51 len = sizeof(buf) - 1; | |
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parents:
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52 memcpy(buf, text, len); |
| 2 | 53 buf[len] = 0; |
| 54 | |
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parents:
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55 h = b->font.ascent + b->font.descent; |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
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56 y = b->y + (b->h / 2) - (h / 2) + b->font.ascent; |
|
e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
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changeset
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57 x = b->x + (h / 2); |
| 2 | 58 |
| 59 /* shorten text if necessary */ | |
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Anselm R. Garbe <garbeam@wmii.de>
parents:
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60 while(len && (w = textnw(&b->font, buf, len)) > b->w - h) |
| 2 | 61 buf[--len] = 0; |
| 62 | |
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e8f627998d6f
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Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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63 if(w > b->w) |
| 2 | 64 return; /* too long */ |
| 65 | |
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parents:
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66 gcv.foreground = b->fg; |
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parents:
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67 gcv.background = b->bg; |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
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changeset
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68 if(b->font.set) { |
| 2 | 69 XChangeGC(dpy, b->gc, GCForeground | GCBackground, &gcv); |
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several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
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70 XmbDrawImageString(dpy, b->drawable, b->font.set, b->gc, |
| 2 | 71 x, y, buf, len); |
| 72 } | |
| 73 else { | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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74 gcv.font = b->font.xfont->fid; |
| 2 | 75 XChangeGC(dpy, b->gc, GCForeground | GCBackground | GCFont, &gcv); |
| 76 XDrawImageString(dpy, b->drawable, b->gc, x, y, buf, len); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 static unsigned long | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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81 xloadcolors(Display *dpy, Colormap cmap, const char *colstr) |
| 2 | 82 { |
| 83 XColor color; | |
| 84 XAllocNamedColor(dpy, cmap, colstr, &color, &color); | |
| 85 return color.pixel; | |
| 86 } | |
| 87 | |
| 88 void | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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89 loadcolors(Display *dpy, int screen, Brush *b, |
| 2 | 90 const char *bg, const char *fg, const char *border) |
| 91 { | |
| 92 Colormap cmap = DefaultColormap(dpy, screen); | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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93 b->bg = xloadcolors(dpy, cmap, bg); |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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94 b->fg = xloadcolors(dpy, cmap, fg); |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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95 b->border = xloadcolors(dpy, cmap, border); |
| 2 | 96 } |
| 97 | |
| 98 unsigned int | |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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99 textnw(Fnt *font, char *text, unsigned int len) |
| 2 | 100 { |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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101 XRectangle r; |
| 2 | 102 if(font->set) { |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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103 XmbTextExtents(font->set, text, len, NULL, &r); |
| 2 | 104 return r.width; |
| 105 } | |
| 106 return XTextWidth(font->xfont, text, len); | |
| 107 } | |
| 108 | |
| 109 unsigned int | |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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110 textw(Fnt *font, char *text) |
| 2 | 111 { |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
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changeset
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112 return textnw(font, text, strlen(text)); |
|
e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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113 } |
|
e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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114 |
|
e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
|
115 unsigned int |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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116 texth(Fnt *font) |
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e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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117 { |
|
e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
Anselm R. Garbe <garbeam@wmii.de>
parents:
7
diff
changeset
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118 return font->height + 4; |
| 2 | 119 } |
| 120 | |
| 121 void | |
| 122 loadfont(Display *dpy, Fnt *font, const char *fontstr) | |
| 123 { | |
| 124 char **missing, *def; | |
| 125 int n; | |
| 126 | |
| 7 | 127 missing = NULL; |
| 2 | 128 def = "?"; |
| 129 setlocale(LC_ALL, ""); | |
| 130 if(font->set) | |
| 131 XFreeFontSet(dpy, font->set); | |
| 132 font->set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); | |
| 133 if(missing) { | |
| 134 while(n--) | |
| 135 fprintf(stderr, "missing fontset: %s\n", missing[n]); | |
| 136 XFreeStringList(missing); | |
| 137 if(font->set) { | |
| 138 XFreeFontSet(dpy, font->set); | |
| 7 | 139 font->set = NULL; |
| 2 | 140 } |
| 141 } | |
| 142 if(font->set) { | |
| 143 XFontSetExtents *font_extents; | |
| 144 XFontStruct **xfonts; | |
| 145 char **font_names; | |
| 146 unsigned int i; | |
| 147 | |
| 148 font->ascent = font->descent = 0; | |
| 149 font_extents = XExtentsOfFontSet(font->set); | |
| 150 n = XFontsOfFontSet(font->set, &xfonts, &font_names); | |
| 151 for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) { | |
| 152 if(font->ascent < (*xfonts)->ascent) | |
| 153 font->ascent = (*xfonts)->ascent; | |
| 154 if(font->descent < (*xfonts)->descent) | |
| 155 font->descent = (*xfonts)->descent; | |
| 156 xfonts++; | |
| 157 } | |
| 158 } | |
| 159 else { | |
| 160 if(font->xfont) | |
| 161 XFreeFont(dpy, font->xfont); | |
| 7 | 162 font->xfont = NULL; |
| 2 | 163 font->xfont = XLoadQueryFont(dpy, fontstr); |
| 164 if (!font->xfont) | |
| 165 font->xfont = XLoadQueryFont(dpy, "fixed"); | |
| 166 if (!font->xfont) | |
| 167 error("error, cannot load 'fixed' font\n"); | |
| 168 font->ascent = font->xfont->ascent; | |
| 169 font->descent = font->xfont->descent; | |
| 170 } | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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171 font->height = font->ascent + font->descent; |
| 2 | 172 } |