diff options
Diffstat (limited to 'draw.c')
| -rw-r--r-- | draw.c | 121 |
1 files changed, 0 insertions, 121 deletions
| @@ -1,121 +0,0 @@ | |||
| 1 | /* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com> | ||
| 2 | * See LICENSE file for license details. | ||
| 3 | */ | ||
| 4 | #include "dmenu.h" | ||
| 5 | #include <stdio.h> | ||
| 6 | #include <string.h> | ||
| 7 | |||
| 8 | /* static */ | ||
| 9 | |||
| 10 | static unsigned int | ||
| 11 | textnw(const char *text, unsigned int len) { | ||
| 12 | XRectangle r; | ||
| 13 | |||
| 14 | if(dc.font.set) { | ||
| 15 | XmbTextExtents(dc.font.set, text, len, NULL, &r); | ||
| 16 | return r.width; | ||
| 17 | } | ||
| 18 | return XTextWidth(dc.font.xfont, text, len); | ||
| 19 | } | ||
| 20 | |||
| 21 | /* extern */ | ||
| 22 | |||
| 23 | void | ||
| 24 | drawtext(const char *text, unsigned long col[ColLast]) { | ||
| 25 | int x, y, w, h; | ||
| 26 | static char buf[256]; | ||
| 27 | unsigned int len, olen; | ||
| 28 | XGCValues gcv; | ||
| 29 | XRectangle r = { dc.x, dc.y, dc.w, dc.h }; | ||
| 30 | |||
| 31 | XSetForeground(dpy, dc.gc, col[ColBG]); | ||
| 32 | XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); | ||
| 33 | if(!text) | ||
| 34 | return; | ||
| 35 | w = 0; | ||
| 36 | olen = len = strlen(text); | ||
| 37 | if(len >= sizeof buf) | ||
| 38 | len = sizeof buf - 1; | ||
| 39 | memcpy(buf, text, len); | ||
| 40 | buf[len] = 0; | ||
| 41 | h = dc.font.ascent + dc.font.descent; | ||
| 42 | y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; | ||
| 43 | x = dc.x + (h / 2); | ||
| 44 | /* shorten text if necessary */ | ||
| 45 | while(len && (w = textnw(buf, len)) > dc.w - h) | ||
| 46 | buf[--len] = 0; | ||
| 47 | if(len < olen) { | ||
| 48 | if(len > 1) | ||
| 49 | buf[len - 1] = '.'; | ||
| 50 | if(len > 2) | ||
| 51 | buf[len - 2] = '.'; | ||
| 52 | if(len > 3) | ||
| 53 | buf[len - 3] = '.'; | ||
| 54 | } | ||
| 55 | if(w > dc.w) | ||
| 56 | return; /* too long */ | ||
| 57 | gcv.foreground = col[ColFG]; | ||
| 58 | if(dc.font.set) { | ||
| 59 | XChangeGC(dpy, dc.gc, GCForeground, &gcv); | ||
| 60 | XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, | ||
| 61 | x, y, buf, len); | ||
| 62 | } | ||
| 63 | else { | ||
| 64 | gcv.font = dc.font.xfont->fid; | ||
| 65 | XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv); | ||
| 66 | XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); | ||
| 67 | } | ||
| 68 | } | ||
| 69 | |||
| 70 | unsigned long | ||
| 71 | getcolor(const char *colstr) { | ||
| 72 | Colormap cmap = DefaultColormap(dpy, screen); | ||
| 73 | XColor color; | ||
| 74 | |||
| 75 | if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) | ||
| 76 | eprint("error, cannot allocate color '%s'\n", colstr); | ||
| 77 | return color.pixel; | ||
| 78 | } | ||
| 79 | |||
| 80 | void | ||
| 81 | setfont(const char *fontstr) { | ||
| 82 | char *def, **missing; | ||
| 83 | int i, n; | ||
| 84 | |||
| 85 | missing = NULL; | ||
| 86 | if(dc.font.set) | ||
| 87 | XFreeFontSet(dpy, dc.font.set); | ||
| 88 | dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); | ||
| 89 | if(missing) | ||
| 90 | XFreeStringList(missing); | ||
| 91 | if(dc.font.set) { | ||
| 92 | XFontSetExtents *font_extents; | ||
| 93 | XFontStruct **xfonts; | ||
| 94 | char **font_names; | ||
| 95 | dc.font.ascent = dc.font.descent = 0; | ||
| 96 | font_extents = XExtentsOfFontSet(dc.font.set); | ||
| 97 | n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); | ||
| 98 | for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { | ||
| 99 | if(dc.font.ascent < (*xfonts)->ascent) | ||
| 100 | dc.font.ascent = (*xfonts)->ascent; | ||
| 101 | if(dc.font.descent < (*xfonts)->descent) | ||
| 102 | dc.font.descent = (*xfonts)->descent; | ||
| 103 | xfonts++; | ||
| 104 | } | ||
| 105 | } | ||
| 106 | else { | ||
| 107 | if(dc.font.xfont) | ||
| 108 | XFreeFont(dpy, dc.font.xfont); | ||
| 109 | dc.font.xfont = NULL; | ||
| 110 | if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) | ||
| 111 | eprint("error, cannot load font: '%s'\n", fontstr); | ||
| 112 | dc.font.ascent = dc.font.xfont->ascent; | ||
| 113 | dc.font.descent = dc.font.xfont->descent; | ||
| 114 | } | ||
| 115 | dc.font.height = dc.font.ascent + dc.font.descent; | ||
| 116 | } | ||
| 117 | |||
| 118 | unsigned int | ||
| 119 | textw(const char *text) { | ||
| 120 | return textnw(text, strlen(text)) + dc.font.height; | ||
| 121 | } | ||
