X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=main.c;h=8ecf9fac8ee2b8bc34348b46f5d69aff07d89638;hb=cdbc84b9a87c427b3d0a202475b0f5aae315fb90;hp=5e7b4a63601f78978402ba04aae566eb4e36de23;hpb=15abade2720158fd35dcf59aa2cd5cbb325a849c;p=dwm.git

diff --git a/main.c b/main.c
index 5e7b4a6..8ecf9fa 100644
--- a/main.c
+++ b/main.c
@@ -1,10 +1,10 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 
 #include "dwm.h"
 #include <errno.h>
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -17,14 +17,13 @@
 
 /* extern */
 
-char stext[1024];
-Bool *seltag;
-int bx, by, bw, bh, bmw, mw, screen, sx, sy, sw, sh;
-unsigned int ntags, numlockmask;
+char stext[256];
+int screen, sx, sy, sw, sh, wax, way, waw, wah;
+unsigned int bh, ntags, numlockmask;
 Atom wmatom[WMLast], netatom[NetLast];
 Bool running = True;
-Bool issel = True;
-Bool maximized = False;
+Bool *seltag;
+Bool selscreen = True;
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
@@ -39,12 +38,12 @@ static int (*xerrorxlib)(Display *, XErrorEvent *);
 static Bool otherwm, readin;
 
 static void
-cleanup()
-{
+cleanup(void) {
 	close(STDIN_FILENO);
-	while(sel) {
-		resize(sel, True, TopLeft);
-		unmanage(sel);
+	while(stack) {
+		if(stack->isbanned)
+			XMoveWindow(dpy, stack->win, stack->x, stack->y);
+		unmanage(stack);
 	}
 	if(dc.font.set)
 		XFreeFontSet(dpy, dc.font.set);
@@ -54,14 +53,104 @@ cleanup()
 	XFreePixmap(dpy, dc.drawable);
 	XFreeGC(dpy, dc.gc);
 	XDestroyWindow(dpy, barwin);
+	XFreeCursor(dpy, cursor[CurNormal]);
+	XFreeCursor(dpy, cursor[CurResize]);
+	XFreeCursor(dpy, cursor[CurMove]);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 	XSync(dpy, False);
 	free(seltag);
 }
 
+static 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);
+}
+
 static void
-scan()
-{
+drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) {
+	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);
+	}
+	x = (h + 2) / 4;
+	r.x = dc.x + 1;
+	r.y = dc.y + 1;
+	if(filledsquare) {
+		r.width = r.height = x + 1;
+		XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+	}
+	else if(emptysquare) {
+		r.width = r.height = x;
+		XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+	}
+}
+
+static unsigned long
+getcolor(const char *colstr) {
+	Colormap cmap = DefaultColormap(dpy, screen);
+	XColor color;
+
+	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+		eprint("error, cannot allocate color '%s'\n", colstr);
+	return color.pixel;
+}
+
+static Bool
+isoccupied(unsigned int t) {
+	Client *c;
+
+	for(c = clients; c; c = c->next)
+		if(c->tags[t])
+			return True;
+	return False;
+}
+
+static void
+scan(void) {
 	unsigned int i, num;
 	Window *wins, d1, d2;
 	XWindowAttributes wa;
@@ -69,9 +158,8 @@ scan()
 	wins = NULL;
 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
 		for(i = 0; i < num; i++) {
-			if(!XGetWindowAttributes(dpy, wins[i], &wa))
-				continue;
-			if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+			if(!XGetWindowAttributes(dpy, wins[i], &wa)
+			|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
 				continue;
 			if(wa.map_state == IsViewable)
 				manage(wins[i], &wa);
@@ -82,8 +170,48 @@ scan()
 }
 
 static void
-setup()
-{
+setfont(const char *fontstr) {
+	char *def, **missing;
+	int i, n;
+
+	missing = NULL;
+	if(dc.font.set)
+		XFreeFontSet(dpy, dc.font.set);
+	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+	if(missing) {
+		while(n--)
+			fprintf(stderr, "missing fontset: %s\n", missing[n]);
+		XFreeStringList(missing);
+	}
+	if(dc.font.set) {
+		XFontSetExtents *font_extents;
+		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;
+			xfonts++;
+		}
+	}
+	else {
+		if(dc.font.xfont)
+			XFreeFont(dpy, dc.font.xfont);
+		dc.font.xfont = NULL;
+		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+			eprint("error, 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;
+}
+
+static void
+setup(void) {
 	int i, j;
 	unsigned int mask;
 	Window w;
@@ -93,69 +221,70 @@ setup()
 	/* init atoms */
 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
 	wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+	wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
 	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
 			PropModeReplace, (unsigned char *) netatom, NetLast);
-
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
-
+	/* init modifier map */
+	numlockmask = 0;
 	modmap = XGetModifierMapping(dpy);
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++)
 		for (j = 0; j < modmap->max_keypermod; j++) {
-			if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
+			if(modmap->modifiermap[i * modmap->max_keypermod + j]
+					== XKeysymToKeycode(dpy, XK_Num_Lock))
 				numlockmask = (1 << i);
 		}
-	}
-	XFree(modmap);
-
-	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask | EnterWindowMask | LeaveWindowMask;
+	XFreeModifiermap(modmap);
+	/* select for events */
+	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
+		| EnterWindowMask | LeaveWindowMask;
 	wa.cursor = cursor[CurNormal];
 	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
-
 	grabkeys();
-	initrregs();
-
+	compileregs();
 	for(ntags = 0; tags[ntags]; ntags++);
 	seltag = emallocz(sizeof(Bool) * ntags);
 	seltag[0] = True;
-
 	/* style */
+	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
 	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
+	dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
 	dc.sel[ColBG] = getcolor(SELBGCOLOR);
 	dc.sel[ColFG] = getcolor(SELFGCOLOR);
-	dc.status[ColBG] = getcolor(STATUSBGCOLOR);
-	dc.status[ColFG] = getcolor(STATUSFGCOLOR);
 	setfont(FONT);
-
-	bmw = textw(FLOATSYMBOL) > textw(TILESYMBOL) ? textw(FLOATSYMBOL) : textw(TILESYMBOL);
+	/* geometry */
 	sx = sy = 0;
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
-	mw = (sw * MASTERW) / 100;
-
-	bx = by = 0;
-	bw = sw;
+	initlayouts();
+	/* bar */
 	dc.h = bh = dc.font.height + 2;
 	wa.override_redirect = 1;
 	wa.background_pixmap = ParentRelative;
 	wa.event_mask = ButtonPressMask | ExposureMask;
-	barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
-			CopyFromParent, DefaultVisual(dpy, screen),
+	barwin = XCreateWindow(dpy, root, sx, sy + (TOPBAR ? 0 : sh - bh), sw, bh, 0,
+			DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
 	XMapRaised(dpy, barwin);
-
+	strcpy(stext, "dwm-"VERSION);
+	/* windowarea */
+	wax = sx;
+	way = sy + (TOPBAR ? bh : 0);
+	wah = sh - bh;
+	waw = sw;
+	/* pixmap for everything */
 	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
-
-	issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
-	strcpy(stext, "dwm-"VERSION);
+	/* multihead support */
+	selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
 }
 
 /*
@@ -163,36 +292,46 @@ setup()
  * is already running.
  */
 static int
-xerrorstart(Display *dsply, XErrorEvent *ee)
-{
+xerrorstart(Display *dsply, XErrorEvent *ee) {
 	otherwm = True;
 	return -1;
 }
 
 /* extern */
 
-int
-getproto(Window w)
-{
-	int i, format, protos, status;
-	unsigned long extra, res;
-	Atom *protocols, real;
-
-	protos = 0;
-	status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
-			XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
-	if(status != Success || protocols == 0)
-		return protos;
-	for(i = 0; i < res; i++)
-		if(protocols[i] == wmatom[WMDelete])
-			protos |= PROTODELWIN;
-	free(protocols);
-	return protos;
+void
+drawstatus(void) {
+	int i, x;
+
+	dc.x = dc.y = 0;
+	for(i = 0; i < ntags; i++) {
+		dc.w = textw(tags[i]);
+		if(seltag[i])
+			drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
+		else
+			drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
+		dc.x += dc.w;
+	}
+	dc.w = blw;
+	drawtext(lt->symbol, dc.norm, False, False);
+	x = dc.x + dc.w;
+	dc.w = textw(stext);
+	dc.x = sw - dc.w;
+	if(dc.x < x) {
+		dc.x = x;
+		dc.w = sw - x;
+	}
+	drawtext(stext, dc.norm, False, False);
+	if((dc.w = dc.x - x) > bh) {
+		dc.x = x;
+		drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
+	}
+	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
+	XSync(dpy, False);
 }
 
 void
-sendevent(Window w, Atom a, long value)
-{
+sendevent(Window w, Atom a, long value) {
 	XEvent e;
 
 	e.type = ClientMessage;
@@ -205,60 +344,61 @@ sendevent(Window w, Atom a, long value)
 	XSync(dpy, False);
 }
 
+unsigned int
+textw(const char *text) {
+	return textnw(text, strlen(text)) + dc.font.height;
+}
+
 void
-quit(Arg *arg)
-{
+quit(Arg *arg) {
 	readin = running = False;
 }
 
-/*
- * There's no way to check accesses to destroyed windows, thus those cases are
+/* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
- * default error handler, which calls exit().
+ * default error handler, which may call exit.
  */
 int
-xerror(Display *dpy, XErrorEvent *ee)
-{
+xerror(Display *dpy, XErrorEvent *ee) {
 	if(ee->error_code == BadWindow
 	|| (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
 	|| (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
 	|| (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
-	|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess))
+	|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
+	|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
 		return 0;
 	fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
 		ee->request_code, ee->error_code);
-	return xerrorxlib(dpy, ee); /* may call exit() */
+	return xerrorxlib(dpy, ee); /* may call exit */
 }
 
 int
-main(int argc, char *argv[])
-{
+main(int argc, char *argv[]) {
+	char *p;
 	int r, xfd;
 	fd_set rd;
+	XEvent ev;
 
 	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
-		fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+		fputs("dwm-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
 		exit(EXIT_SUCCESS);
 	}
 	else if(argc != 1)
 		eprint("usage: dwm [-v]\n");
-
+	setlocale(LC_CTYPE, "");
 	dpy = XOpenDisplay(0);
 	if(!dpy)
 		eprint("dwm: cannot open display\n");
-
 	xfd = ConnectionNumber(dpy);
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
-
 	otherwm = False;
 	XSetErrorHandler(xerrorstart);
 	/* this causes an error if some other window manager is running */
 	XSelectInput(dpy, root, SubstructureRedirectMask);
 	XSync(dpy, False);
-
 	if(otherwm)
 		eprint("dwm: another window manager is already running\n");
 
@@ -266,39 +406,50 @@ main(int argc, char *argv[])
 	XSetErrorHandler(NULL);
 	xerrorxlib = XSetErrorHandler(xerror);
 	XSync(dpy, False);
-
 	setup();
 	drawstatus();
 	scan();
 
 	/* main event loop, also reads status text from stdin */
 	XSync(dpy, False);
-	procevent();
 	readin = True;
 	while(running) {
 		FD_ZERO(&rd);
 		if(readin)
 			FD_SET(STDIN_FILENO, &rd);
 		FD_SET(xfd, &rd);
-		r = select(xfd + 1, &rd, NULL, NULL, NULL);
-		if((r == -1) && (errno == EINTR))
-			continue;
-		if(r > 0) {
-			if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
-				readin = NULL != fgets(stext, sizeof(stext), stdin);
-				if(readin)
-					stext[strlen(stext) - 1] = 0;
-				else 
-					strcpy(stext, "broken pipe");
-				drawstatus();
+		if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
+			if(errno == EINTR)
+				continue;
+			eprint("select failed\n");
+		}
+		if(FD_ISSET(STDIN_FILENO, &rd)) {
+			switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
+			case -1:
+				strncpy(stext, strerror(errno), sizeof stext - 1);
+				stext[sizeof stext - 1] = '\0';
+				readin = False;
+				break;
+			case 0:
+				strncpy(stext, "EOF", 4);
+				readin = False;
+				break;
+			default:
+				for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
+				for(; p >= stext && *p != '\n'; --p);
+				if(p > stext)
+					strncpy(stext, p + 1, sizeof stext);
 			}
+			drawstatus();
 		}
-		else if(r < 0)
-			eprint("select failed\n");
-		procevent();
+		if(FD_ISSET(xfd, &rd))
+			while(XPending(dpy)) {
+				XNextEvent(dpy, &ev);
+				if(handler[ev.type])
+					(handler[ev.type])(&ev); /* call handler */
+			}
 	}
 	cleanup();
 	XCloseDisplay(dpy);
-
 	return 0;
 }