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121 lines
2.9 KiB
121 lines
2.9 KiB
/* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com> |
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* See LICENSE file for license details. |
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*/ |
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#include "dmenu.h" |
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#include <stdio.h> |
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#include <string.h> |
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/* static */ |
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static unsigned int |
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textnw(const char *text, unsigned int len) { |
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XRectangle r; |
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if(dc.font.set) { |
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XmbTextExtents(dc.font.set, text, len, NULL, &r); |
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return r.width; |
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} |
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return XTextWidth(dc.font.xfont, text, len); |
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} |
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/* extern */ |
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void |
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drawtext(const char *text, unsigned long col[ColLast]) { |
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int x, y, w, h; |
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static char buf[256]; |
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unsigned int len, olen; |
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XGCValues gcv; |
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XRectangle r = { dc.x, dc.y, dc.w, dc.h }; |
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XSetForeground(dpy, dc.gc, col[ColBG]); |
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XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); |
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if(!text) |
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return; |
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w = 0; |
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olen = len = strlen(text); |
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if(len >= sizeof buf) |
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len = sizeof buf - 1; |
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memcpy(buf, text, len); |
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buf[len] = 0; |
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h = dc.font.ascent + dc.font.descent; |
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y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; |
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x = dc.x + (h / 2); |
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/* shorten text if necessary */ |
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while(len && (w = textnw(buf, len)) > dc.w - h) |
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buf[--len] = 0; |
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if(len < olen) { |
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if(len > 1) |
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buf[len - 1] = '.'; |
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if(len > 2) |
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buf[len - 2] = '.'; |
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if(len > 3) |
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buf[len - 3] = '.'; |
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} |
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if(w > dc.w) |
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return; /* too long */ |
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gcv.foreground = col[ColFG]; |
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if(dc.font.set) { |
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XChangeGC(dpy, dc.gc, GCForeground, &gcv); |
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XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, |
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x, y, buf, len); |
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} |
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else { |
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gcv.font = dc.font.xfont->fid; |
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XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv); |
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XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); |
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} |
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} |
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unsigned long |
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getcolor(const char *colstr) { |
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Colormap cmap = DefaultColormap(dpy, screen); |
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XColor color; |
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if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) |
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eprint("error, cannot allocate color '%s'\n", colstr); |
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return color.pixel; |
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} |
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void |
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setfont(const char *fontstr) { |
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char *def, **missing; |
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int i, n; |
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missing = NULL; |
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if(dc.font.set) |
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XFreeFontSet(dpy, dc.font.set); |
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dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); |
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if(missing) |
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XFreeStringList(missing); |
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if(dc.font.set) { |
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XFontSetExtents *font_extents; |
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XFontStruct **xfonts; |
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char **font_names; |
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dc.font.ascent = dc.font.descent = 0; |
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font_extents = XExtentsOfFontSet(dc.font.set); |
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n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); |
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for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) { |
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if(dc.font.ascent < (*xfonts)->ascent) |
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dc.font.ascent = (*xfonts)->ascent; |
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if(dc.font.descent < (*xfonts)->descent) |
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dc.font.descent = (*xfonts)->descent; |
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xfonts++; |
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} |
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} |
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else { |
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if(dc.font.xfont) |
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XFreeFont(dpy, dc.font.xfont); |
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dc.font.xfont = NULL; |
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if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) |
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eprint("error, cannot load font: '%s'\n", fontstr); |
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dc.font.ascent = dc.font.xfont->ascent; |
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dc.font.descent = dc.font.xfont->descent; |
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} |
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dc.font.height = dc.font.ascent + dc.font.descent; |
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} |
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unsigned int |
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textw(const char *text) { |
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return textnw(text, strlen(text)) + dc.font.height; |
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}
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