garbeam@2: /*
garbeam@2:  * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@2:  * See LICENSE file for license details.
garbeam@2:  */
garbeam@76: #include "dwm.h"
garbeam@2: #include <stdio.h>
garbeam@2: #include <string.h>
garbeam@32: #include <X11/Xlocale.h>
garbeam@32: 
garbeam@84: /* static */
garbeam@76: 
garbeam@77: static unsigned int
arg@173: textnw(const char *text, unsigned int len)
garbeam@75: {
garbeam@77: 	XRectangle r;
arg@123: 
garbeam@77: 	if(dc.font.set) {
garbeam@77: 		XmbTextExtents(dc.font.set, text, len, NULL, &r);
garbeam@77: 		return r.width;
garbeam@77: 	}
garbeam@77: 	return XTextWidth(dc.font.xfont, text, len);
garbeam@75: }
garbeam@75: 
garbeam@77: static void
arg@218: drawtext(const char *text, Bool invert)
garbeam@2: {
garbeam@33: 	int x, y, w, h;
arg@123: 	static char buf[256];
garbeam@33: 	unsigned int len;
garbeam@2: 	XGCValues gcv;
garbeam@34: 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
garbeam@2: 
garbeam@66: 	XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
garbeam@34: 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@2: 
garbeam@3: 	if(!text)
garbeam@2: 		return;
garbeam@2: 
arg@218: 	w = 0;
garbeam@3: 	len = strlen(text);
garbeam@2: 	if(len >= sizeof(buf))
garbeam@2: 		len = sizeof(buf) - 1;
garbeam@3: 	memcpy(buf, text, len);
garbeam@2: 	buf[len] = 0;
garbeam@2: 
garbeam@34: 	h = dc.font.ascent + dc.font.descent;
garbeam@34: 	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
garbeam@34: 	x = dc.x + (h / 2);
garbeam@2: 
garbeam@2: 	/* shorten text if necessary */
garbeam@43: 	while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2: 		buf[--len] = 0;
garbeam@2: 
garbeam@34: 	if(w > dc.w)
garbeam@2: 		return; /* too long */
garbeam@2: 
garbeam@66: 	gcv.foreground = invert ? dc.bg : dc.fg;
garbeam@66: 	gcv.background = invert ? dc.fg : dc.bg;
garbeam@34: 	if(dc.font.set) {
garbeam@34: 		XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
garbeam@34: 		XmbDrawImageString(dpy, dc.drawable, dc.font.set, dc.gc,
garbeam@2: 				x, y, buf, len);
garbeam@2: 	}
garbeam@2: 	else {
garbeam@34: 		gcv.font = dc.font.xfont->fid;
garbeam@34: 		XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
garbeam@34: 		XDrawImageString(dpy, dc.drawable, dc.gc, x, y, buf, len);
garbeam@2: 	}
garbeam@2: }
garbeam@2: 
garbeam@84: /* extern */
garbeam@77: 
garbeam@77: void
garbeam@77: drawall()
garbeam@77: {
garbeam@77: 	Client *c;
garbeam@77: 
arg@142: 	for(c = clients; c; c = getnext(c->next))
garbeam@77: 		drawtitle(c);
garbeam@77: 	drawstatus();
garbeam@77: }
garbeam@77: 
garbeam@77: void
garbeam@77: drawstatus()
garbeam@77: {
arg@124: 	int i, x;
garbeam@77: 	Bool istile = arrange == dotile;
garbeam@77: 
garbeam@77: 	dc.x = dc.y = 0;
garbeam@77: 	dc.w = bw;
arg@218: 	drawtext(NULL, !istile);
garbeam@77: 
garbeam@77: 	dc.w = 0;
arg@178: 	for(i = 0; i < ntags; i++) {
garbeam@77: 		dc.x += dc.w;
garbeam@77: 		dc.w = textw(tags[i]);
garbeam@77: 		if(istile)
arg@218: 			drawtext(tags[i], (i == tsel));
garbeam@77: 		else
arg@218: 			drawtext(tags[i], (i != tsel));
garbeam@77: 	}
arg@124: 	x = dc.x + dc.w;
garbeam@77: 	dc.w = textw(stext);
garbeam@77: 	dc.x = bx + bw - dc.w;
arg@218: 	drawtext(stext, !istile);
arg@124: 	if(sel && ((dc.w = dc.x - x) >= bh)) {
arg@124: 		dc.x = x;
arg@218: 		drawtext(sel->name, istile);
arg@124: 	}
garbeam@77: 	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
garbeam@79: 	XSync(dpy, False);
garbeam@77: }
garbeam@77: 
garbeam@76: void
garbeam@76: drawtitle(Client *c)
garbeam@76: {
garbeam@76: 	int i;
garbeam@76: 	Bool istile = arrange == dotile;
garbeam@76: 
garbeam@76: 	if(c == sel) {
garbeam@76: 		drawstatus();
garbeam@76: 		XUnmapWindow(dpy, c->title);
garbeam@76: 		XSetWindowBorder(dpy, c->win, dc.fg);
garbeam@76: 		return;
garbeam@76: 	}
garbeam@76: 
garbeam@76: 	XSetWindowBorder(dpy, c->win, dc.bg);
garbeam@76: 	XMapWindow(dpy, c->title);
garbeam@76: 
garbeam@76: 	dc.x = dc.y = 0;
garbeam@76: 
garbeam@76: 	dc.w = 0;
arg@178: 	for(i = 0; i < ntags; i++) {
garbeam@76: 		if(c->tags[i]) {
garbeam@76: 			dc.x += dc.w;
arg@173: 			dc.w = textw(tags[i]);
arg@218: 			drawtext(tags[i], !istile);
garbeam@76: 		}
garbeam@76: 	}
garbeam@76: 	dc.x += dc.w;
garbeam@76: 	dc.w = textw(c->name);
arg@218: 	drawtext(c->name, !istile);
garbeam@79: 	XCopyArea(dpy, dc.drawable, c->title, dc.gc, 0, 0, c->tw, c->th, 0, 0);
garbeam@79: 	XSync(dpy, False);
garbeam@76: }
garbeam@76: 
garbeam@43: unsigned long
garbeam@74: getcolor(const char *colstr)
garbeam@2: {
arg@123: 	Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2: 	XColor color;
garbeam@43: 
garbeam@2: 	XAllocNamedColor(dpy, cmap, colstr, &color, &color);
garbeam@2: 	return color.pixel;
garbeam@2: }
garbeam@2: 
garbeam@2: void
garbeam@74: setfont(const char *fontstr)
garbeam@2: {
garbeam@2: 	char **missing, *def;
garbeam@33: 	int i, n;
garbeam@2: 
garbeam@7: 	missing = NULL;
garbeam@2: 	setlocale(LC_ALL, "");
garbeam@43: 	if(dc.font.set)
garbeam@43: 		XFreeFontSet(dpy, dc.font.set);
garbeam@43: 	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
garbeam@2: 	if(missing) {
garbeam@2: 		while(n--)
garbeam@2: 			fprintf(stderr, "missing fontset: %s\n", missing[n]);
garbeam@2: 		XFreeStringList(missing);
garbeam@43: 		if(dc.font.set) {
garbeam@43: 			XFreeFontSet(dpy, dc.font.set);
garbeam@43: 			dc.font.set = NULL;
garbeam@2: 		}
garbeam@2: 	}
garbeam@43: 	if(dc.font.set) {
garbeam@2: 		XFontSetExtents *font_extents;
garbeam@2: 		XFontStruct **xfonts;
garbeam@2: 		char **font_names;
garbeam@2: 
garbeam@43: 		dc.font.ascent = dc.font.descent = 0;
garbeam@43: 		font_extents = XExtentsOfFontSet(dc.font.set);
garbeam@43: 		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
garbeam@43: 		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
garbeam@43: 			if(dc.font.ascent < (*xfonts)->ascent)
garbeam@43: 				dc.font.ascent = (*xfonts)->ascent;
garbeam@43: 			if(dc.font.descent < (*xfonts)->descent)
garbeam@43: 				dc.font.descent = (*xfonts)->descent;
garbeam@2: 			xfonts++;
garbeam@2: 		}
garbeam@2: 	}
garbeam@2: 	else {
garbeam@43: 		if(dc.font.xfont)
garbeam@43: 			XFreeFont(dpy, dc.font.xfont);
garbeam@43: 		dc.font.xfont = NULL;
garbeam@43: 		dc.font.xfont = XLoadQueryFont(dpy, fontstr);
garbeam@43: 		if (!dc.font.xfont)
garbeam@43: 			dc.font.xfont = XLoadQueryFont(dpy, "fixed");
garbeam@43: 		if (!dc.font.xfont)
garbeam@75: 			eprint("error, cannot init 'fixed' font\n");
garbeam@43: 		dc.font.ascent = dc.font.xfont->ascent;
garbeam@43: 		dc.font.descent = dc.font.xfont->descent;
garbeam@2: 	}
garbeam@43: 	dc.font.height = dc.font.ascent + dc.font.descent;
garbeam@2: }
garbeam@76: 
garbeam@76: unsigned int
arg@173: textw(const char *text)
garbeam@76: {
garbeam@76: 	return textnw(text, strlen(text)) + dc.font.height;
garbeam@76: }