arg@643: /* (C)opyright MMIV-MMVII 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: 
garbeam@84: /* static */
garbeam@76: 
arg@572: static Bool
arg@572: isoccupied(unsigned int t)
arg@572: {
arg@572: 	Client *c;
arg@572: 	for(c = clients; c; c = c->next)
arg@572: 		if(c->tags[t])
arg@572: 			return True;
arg@572: 	return False;
arg@572: }
arg@572: 
garbeam@77: static unsigned int
arg@461: textnw(const char *text, unsigned int len) {
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@607: drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) {
arg@344: 	int x, y, w, h;
arg@344: 	static char buf[256];
arg@344: 	unsigned int len, olen;
arg@352: 	XGCValues gcv;
arg@344: 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
arg@606: 	XPoint pt[5];
arg@344: 
arg@353: 	XSetForeground(dpy, dc.gc, col[ColBG]);
arg@344: 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@3: 	if(!text)
garbeam@2: 		return;
arg@218: 	w = 0;
arg@269: 	olen = len = strlen(text);
arg@581: 	if(len >= sizeof buf)
arg@581: 		len = sizeof buf - 1;
garbeam@3: 	memcpy(buf, text, len);
garbeam@2: 	buf[len] = 0;
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: 	/* shorten text if necessary */
garbeam@43: 	while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2: 		buf[--len] = 0;
arg@269: 	if(len < olen) {
arg@273: 		if(len > 1)
arg@273: 			buf[len - 1] = '.';
arg@273: 		if(len > 2)
arg@273: 			buf[len - 2] = '.';
arg@269: 		if(len > 3)
arg@273: 			buf[len - 3] = '.';
arg@269: 	}
garbeam@34: 	if(w > dc.w)
garbeam@2: 		return; /* too long */
arg@353: 	gcv.foreground = col[ColFG];
arg@352: 	if(dc.font.set) {
arg@353: 		XChangeGC(dpy, dc.gc, GCForeground, &gcv);
arg@342: 		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
arg@352: 	}
garbeam@2: 	else {
arg@352: 		gcv.font = dc.font.xfont->fid;
arg@353: 		XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
arg@342: 		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
arg@342: 	}
arg@606: 	x = (h + 2) / 4;
arg@607: 	if(filledsquare) {
arg@608: 		r.x = dc.x + 1;
arg@608: 		r.y = dc.y + 1;
arg@608: 		r.width = r.height = x + 1;
arg@605: 		XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@2: 	}
arg@607: 	else if(emptysquare) {
arg@608: 		pt[0].x = dc.x + 1;
arg@608: 		pt[0].y = dc.y + 1;
arg@606: 		pt[1].x = x;
arg@606: 		pt[1].y = 0;
arg@606: 		pt[2].x = 0;
arg@606: 		pt[2].y = x;
arg@606: 		pt[3].x = -x;
arg@606: 		pt[3].y = 0;
arg@606: 		pt[4].x = 0;
arg@606: 		pt[4].y = -x;
arg@606: 		XDrawLines(dpy, dc.drawable, dc.gc, pt, 5, CoordModePrevious);
arg@604: 	}
arg@604: }
garbeam@2: 
garbeam@84: /* extern */
garbeam@77: 
garbeam@77: void
arg@487: drawall(void) {
garbeam@77: 	Client *c;
garbeam@77: 
arg@142: 	for(c = clients; c; c = getnext(c->next))
arg@647: 		drawclient(c);
garbeam@77: 	drawstatus();
garbeam@77: }
garbeam@77: 
garbeam@77: void
arg@487: drawstatus(void) {
arg@124: 	int i, x;
garbeam@77: 
garbeam@77: 	dc.x = dc.y = 0;
arg@178: 	for(i = 0; i < ntags; i++) {
garbeam@77: 		dc.w = textw(tags[i]);
arg@353: 		if(seltag[i])
arg@572: 			drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
garbeam@77: 		else
arg@572: 			drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
arg@362: 		dc.x += dc.w;
garbeam@77: 	}
arg@362: 	dc.w = bmw;
arg@688: 	drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);
arg@361: 	x = dc.x + dc.w;
garbeam@77: 	dc.w = textw(stext);
arg@570: 	dc.x = bw - dc.w;
arg@342: 	if(dc.x < x) {
arg@342: 		dc.x = x;
arg@342: 		dc.w = bw - x;
arg@342: 	}
arg@572: 	drawtext(stext, dc.status, False, False);
arg@371: 	if((dc.w = dc.x - x) > bh) {
arg@342: 		dc.x = x;
arg@572: 		drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
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
arg@647: drawclient(Client *c) {
arg@239: 	if(c == sel && issel) {
garbeam@76: 		drawstatus();
arg@353: 		XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
garbeam@76: 		return;
garbeam@76: 	}
arg@353: 	XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
garbeam@79: 	XSync(dpy, False);
garbeam@76: }
garbeam@76: 
garbeam@43: unsigned long
arg@461: getcolor(const char *colstr) {
arg@123: 	Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2: 	XColor color;
garbeam@43: 
arg@495: 	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
arg@495: 		eprint("error, cannot allocate color '%s'\n", colstr);
garbeam@2: 	return color.pixel;
garbeam@2: }
garbeam@2: 
garbeam@2: void
arg@461: setfont(const char *fontstr) {
arg@619: 	char *def, **missing;
garbeam@33: 	int i, n;
garbeam@2: 
garbeam@7: 	missing = NULL;
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@2: 	}
garbeam@43: 	if(dc.font.set) {
garbeam@2: 		XFontSetExtents *font_extents;
garbeam@2: 		XFontStruct **xfonts;
garbeam@2: 		char **font_names;
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;
arg@626: 		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
arg@627: 			eprint("error, cannot load font: '%s'\n", fontstr);
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@461: textw(const char *text) {
garbeam@76: 	return textnw(text, strlen(text)) + dc.font.height;
garbeam@76: }