-/*
- * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dmenu.h"
+/* 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 <X11/Xlocale.h>
+#include <strings.h>
+#include <X11/Xlib.h>
+#include "draw.h"
-/* static */
+/* macros */
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
-static unsigned int
-textnw(const char *text, unsigned int len) {
- XRectangle r;
+/* variables */
+const char *progname;
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(dc.font.xfont, text, len);
+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);
}
-/* 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 };
+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);
+}
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+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;
-
- 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);
-
+ 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 */
- 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 */
+ 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);
+}
- 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);
- }
+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(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
+getcolor(DC *dc, const char *colstr) {
+ Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
XColor color;
- XAllocNamedColor(dpy, cmap, colstr, &color, &color);
+ if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color))
+ eprint("cannot allocate color '%s'\n", colstr);
return color.pixel;
}
void
-setfont(const char *fontstr) {
- char **missing, *def;
+initfont(DC *dc, const char *fontstr) {
+ char *def, **missing = NULL;
int i, n;
- missing = NULL;
- setlocale(LC_ALL, "");
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing) {
+ 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) {
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = NULL;
- }
- }
- if(dc.font.set) {
- XFontSetExtents *font_extents;
+ if(dc->font.set) {
XFontStruct **xfonts;
char **font_names;
-
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
+ 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)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- dc.font.xfont = XLoadQueryFont(dpy, fontstr);
- if (!dc.font.xfont)
- dc.font.xfont = XLoadQueryFont(dpy, "fixed");
- if (!dc.font.xfont)
- eprint("error, cannot init 'fixed' font\n");
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
+ 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;
}
- dc.font.height = dc.font.ascent + dc.font.descent;
+ return XTextWidth(dc->font.xfont, text, len);
}
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+int
+textw(DC *dc, const char *text) {
+ return textnw(dc, text, strlen(text)) + dc->font.height;
}
