diff options
Diffstat (limited to 'draw.c')
-rw-r--r-- | draw.c | 136 |
1 files changed, 0 insertions, 136 deletions
@@ -1,136 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include <ctype.h> -#include <locale.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <strings.h> -#include <X11/Xlib.h> -#include "draw.h" - -/* macros */ -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#define MAX(a, b) ((a) > (b) ? (a) : (b)) - -/* variables */ -const char *progname; - -void -cleanupdraw(DC *dc) { - if(dc->font.set) - XFreeFontSet(dc->dpy, dc->font.set); - else - XFreeFont(dc->dpy, dc->font.xfont); - XFreePixmap(dc->dpy, dc->drawable); - XFreeGC(dc->dpy, dc->gc); -} - -void -setupdraw(DC *dc, Window w) { - XWindowAttributes wa; - - XGetWindowAttributes(dc->dpy, w, &wa); - dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height, - DefaultDepth(dc->dpy, DefaultScreen(dc->dpy))); - dc->gc = XCreateGC(dc->dpy, w, 0, NULL); - XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter); - if(!dc->font.set) - XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid); -} - -void -drawtext(DC *dc, const char *text, unsigned long col[ColLast]) { - char buf[256]; - int i, x, y, h, len, olen; - XRectangle r = { dc->x, dc->y, dc->w, dc->h }; - - XSetForeground(dc->dpy, dc->gc, col[ColBG]); - XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1); - if(!text) - return; - olen = strlen(text); - h = dc->font.height; - y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent; - x = dc->x + (h / 2); - /* shorten text if necessary */ - for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--); - if(!len) - return; - memcpy(buf, text, len); - if(len < olen) - for(i = len; i && i > len - 3; buf[--i] = '.'); - XSetForeground(dc->dpy, dc->gc, col[ColFG]); - if(dc->font.set) - XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len); - else - XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len); -} - -void -eprint(const char *fmt, ...) { - va_list ap; - - fprintf(stderr, "%s: ", progname); - va_start(ap, fmt); - vfprintf(stderr, fmt, ap); - va_end(ap); - exit(EXIT_FAILURE); -} - -unsigned long -getcolor(DC *dc, const char *colstr) { - Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy)); - XColor color; - - if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color)) - eprint("cannot allocate color '%s'\n", colstr); - return color.pixel; -} - -void -initfont(DC *dc, const char *fontstr) { - char *def, **missing = NULL; - int i, n; - - if(!fontstr || !*fontstr) - eprint("cannot load null font\n"); - dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def); - if(missing) - XFreeStringList(missing); - if(dc->font.set) { - XFontStruct **xfonts; - char **font_names; - dc->font.ascent = dc->font.descent = 0; - n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names); - for(i = 0; i < n; i++) { - dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent); - dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent); - xfonts++; - } - } - else { - if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr)) - && !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed"))) - eprint("cannot load font '%s'\n", fontstr); - dc->font.ascent = dc->font.xfont->ascent; - dc->font.descent = dc->font.xfont->descent; - } - dc->font.height = dc->font.ascent + dc->font.descent; -} - -int -textnw(DC *dc, const char *text, unsigned int len) { - XRectangle r; - - if(dc->font.set) { - XmbTextExtents(dc->font.set, text, len, NULL, &r); - return r.width; - } - return XTextWidth(dc->font.xfont, text, len); -} - -int -textw(DC *dc, const char *text) { - return textnw(dc, text, strlen(text)) + dc->font.height; -} |