diff options
Diffstat (limited to 'draw.c')
| -rw-r--r-- | draw.c | 71 |
1 files changed, 71 insertions, 0 deletions
@@ -0,0 +1,71 @@ +/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com> + * (C)opyright MMVI-MMVII Sander van Dijk <a dot h dot vandijk at gmail dot com> + * See LICENSE file for license details. + */ +#include "dmenu.h" +#include <string.h> + +/* extern */ + +void +drawtext(const char *text, unsigned long col[ColLast]) { + int x, y, w, h; + static char buf[256]; + unsigned int len, olen; + XGCValues gcv; + XRectangle r = { dc.x, dc.y, dc.w, dc.h }; + + XSetForeground(dpy, dc.gc, col[ColBG]); + XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); + if(!text) + return; + w = 0; + olen = len = strlen(text); + if(len >= sizeof buf) + len = sizeof buf - 1; + memcpy(buf, text, len); + buf[len] = 0; + h = dc.font.ascent + dc.font.descent; + y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent; + x = dc.x + (h / 2); + /* shorten text if necessary */ + while(len && (w = textnw(buf, len)) > dc.w - h) + buf[--len] = 0; + if(len < olen) { + if(len > 1) + buf[len - 1] = '.'; + if(len > 2) + buf[len - 2] = '.'; + if(len > 3) + buf[len - 3] = '.'; + } + if(w > dc.w) + return; /* too long */ + gcv.foreground = col[ColFG]; + if(dc.font.set) { + XChangeGC(dpy, dc.gc, GCForeground, &gcv); + XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, + x, y, buf, len); + } + else { + gcv.font = dc.font.xfont->fid; + XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv); + XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); + } +} + +unsigned int +textw(const char *text) { + return textnw(text, strlen(text)) + dc.font.height; +} + +unsigned int +textnw(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); +} |