124 lines
3 KiB
C
124 lines
3 KiB
C
/* (C)opyright MMIV-MMVI 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 **missing, *def;
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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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dc.font.xfont = XLoadQueryFont(dpy, fontstr);
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if (!dc.font.xfont)
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dc.font.xfont = XLoadQueryFont(dpy, "fixed");
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if (!dc.font.xfont)
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eprint("error, cannot init 'fixed' font\n");
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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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