arg@644: /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
garbeam@0:  * See LICENSE file for license details.
meillo@754:  *
meillo@754:  * dynamic window manager is designed like any other X client as well. It is
meillo@754:  * driven through handling X events. In contrast to other X clients, a window
meillo@754:  * manager selects for SubstructureRedirectMask on the root window, to receive
meillo@754:  * events about window (dis-)appearance.  Only one X connection at a time is
meillo@754:  * allowed to select for this event mask.
meillo@754:  *
meillo@754:  * Calls to fetch an X event from the event queue are blocking.  Due reading
meillo@754:  * status text from standard input, a select()-driven main loop has been
meillo@754:  * implemented which selects for reads on the X connection and STDIN_FILENO to
meillo@754:  * handle all data smoothly. The event handlers of dwm are organized in an
meillo@754:  * array which is accessed whenever a new event has been fetched. This allows
meillo@754:  * event dispatching in O(1) time.
meillo@754:  *
meillo@754:  * Each child of the root window is called a client, except windows which have
meillo@754:  * set the override_redirect flag.  Clients are organized in a global
meillo@754:  * doubly-linked client list, the focus history is remembered through a global
meillo@754:  * stack list. Each client contains an array of Bools of the same size as the
meillo@754:  * global tags array to indicate the tags of a client.  For each client dwm
meillo@754:  * creates a small title window, which is resized whenever the (_NET_)WM_NAME
meillo@754:  * properties are updated or the client is moved/resized.
meillo@754:  *
meillo@754:  * Keys and tagging rules are organized as arrays and defined in the config.h
meillo@754:  * file. These arrays are kept static in event.o and tag.o respectively,
meillo@754:  * because no other part of dwm needs access to them.  The current mode is
meillo@754:  * represented by the arrange() function pointer, which wether points to
meillo@754:  * dofloat() or dotile().
meillo@754:  *
meillo@754:  * To understand everything else, start reading main.c:main().
garbeam@0:  */
garbeam@0: 
meillo@754: #include "config.h"
garbeam@59: #include <errno.h>
arg@619: #include <locale.h>
meillo@754: #include <regex.h>
garbeam@0: #include <stdio.h>
meillo@754: #include <stdarg.h>
garbeam@0: #include <stdlib.h>
garbeam@57: #include <string.h>
garbeam@59: #include <unistd.h>
arg@138: #include <sys/select.h>
meillo@754: #include <sys/types.h>
meillo@754: #include <sys/wait.h>
garbeam@0: #include <X11/cursorfont.h>
arg@291: #include <X11/keysym.h>
garbeam@0: #include <X11/Xatom.h>
meillo@754: #include <X11/Xlib.h>
garbeam@0: #include <X11/Xproto.h>
meillo@754: #include <X11/Xutil.h>
garbeam@0: 
meillo@754: /* mask shorthands, used in event.c and client.c */
meillo@754: #define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
arg@333: 
meillo@754: enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
meillo@754: enum { WMProtocols, WMDelete, WMState, WMLast };	/* default atoms */
meillo@754: enum { CurNormal, CurResize, CurMove, CurLast };	/* cursor */
meillo@754: enum { ColBorder, ColFG, ColBG, ColLast };		/* color */
meillo@754: 
meillo@754: typedef union {
meillo@754: 	const char *cmd;
meillo@754: 	int i;
meillo@754: } Arg; /* argument type */
meillo@754: 
meillo@754: typedef struct {
meillo@754: 	int ascent;
meillo@754: 	int descent;
meillo@754: 	int height;
meillo@754: 	XFontSet set;
meillo@754: 	XFontStruct *xfont;
meillo@754: } Fnt;
meillo@754: 
meillo@754: typedef struct {
meillo@754: 	int x, y, w, h;
meillo@754: 	unsigned long norm[ColLast];
meillo@754: 	unsigned long sel[ColLast];
meillo@754: 	Drawable drawable;
meillo@754: 	Fnt font;
meillo@754: 	GC gc;
meillo@754: } DC; /* draw context */
meillo@754: 
meillo@754: typedef struct Client Client;
meillo@754: struct Client {
meillo@754: 	char name[256];
meillo@754: 	int x, y, w, h;
meillo@754: 	int rx, ry, rw, rh; /* revert geometry */
meillo@754: 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
meillo@754: 	int minax, minay, maxax, maxay;
meillo@754: 	long flags;
meillo@754: 	unsigned int border;
meillo@754: 	Bool isfixed, isfloat, ismax;
meillo@755: 	Bool tag;
meillo@754: 	Client *next;
meillo@754: 	Client *prev;
meillo@754: 	Client *snext;
meillo@754: 	Window win;
meillo@754: };
meillo@754: 
meillo@754: typedef struct {
meillo@754: 	const char *clpattern;
meillo@755: 	int tag;
meillo@754: 	Bool isfloat;
meillo@754: } Rule;
meillo@754: 
meillo@754: typedef struct {
meillo@754: 	regex_t *clregex;
meillo@754: } RReg;
meillo@754: 
meillo@754: 
meillo@754: typedef struct {
meillo@754: 	unsigned long mod;
meillo@754: 	KeySym keysym;
meillo@754: 	void (*func)(Arg *arg);
meillo@754: 	Arg arg;
meillo@754: } Key;
meillo@754: 
meillo@754: 
meillo@754: #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
meillo@754: #define MOUSEMASK		(BUTTONMASK | PointerMotionMask)
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: const char *tags[];			/* all tags */
meillo@754: char stext[256];				/* status text */
meillo@754: int bh, bmw;				/* bar height, bar mode label width */
meillo@754: int screen, sx, sy, sw, sh;		/* screen geometry */
meillo@754: int wax, way, wah, waw;			/* windowarea geometry */
meillo@754: unsigned int nmaster;		/* number of master clients */
meillo@754: unsigned int ntags, numlockmask;		/* number of tags, dynamic lock mask */
meillo@754: void (*handler[LASTEvent])(XEvent *);	/* event handler */
meillo@754: void (*arrange)(void);			/* arrange function, indicates mode  */
arg@333: Atom wmatom[WMLast], netatom[NetLast];
meillo@755: Bool running, selscreen, seltag;	/* seltag is array of Bool */
meillo@754: Client *clients, *sel, *stack;		/* global client list and stack */
meillo@754: Cursor cursor[CurLast];
meillo@754: DC dc;					/* global draw context */
meillo@754: Display *dpy;
meillo@754: Window root, barwin;
meillo@754: 
arg@333: Bool running = True;
arg@716: Bool selscreen = True;
arg@333: Client *clients = NULL;
arg@333: Client *sel = NULL;
arg@446: Client *stack = NULL;
arg@333: DC dc = {0};
meillo@754: 
meillo@754: static int (*xerrorxlib)(Display *, XErrorEvent *);
meillo@754: static Bool otherwm, readin;
meillo@754: static RReg *rreg = NULL;
meillo@754: static unsigned int len = 0;
meillo@754: 
meillo@754: 
meillo@754: TAGS
meillo@754: RULES
meillo@754: 
meillo@754: 
meillo@754: /* client.c */
meillo@754: void configure(Client *c);		/* send synthetic configure event */
meillo@754: void focus(Client *c);			/* focus c, c may be NULL */
meillo@754: Client *getclient(Window w);		/* return client of w */
meillo@754: Bool isprotodel(Client *c);		/* returns True if c->win supports wmatom[WMDelete] */
meillo@756: void killclient();		/* kill c nicely */
meillo@754: void manage(Window w, XWindowAttributes *wa);	/* manage new client */
meillo@754: void resize(Client *c, Bool sizehints);	/* resize c*/
meillo@754: void updatesizehints(Client *c);		/* update the size hint variables of c */
meillo@754: void updatetitle(Client *c);		/* update the name of c */
meillo@754: void unmanage(Client *c);		/* destroy c */
meillo@754: 
meillo@754: /* draw.c */
meillo@754: void drawstatus(void);			/* draw the bar */
meillo@754: unsigned long getcolor(const char *colstr);	/* return color of colstr */
meillo@754: void setfont(const char *fontstr);	/* set the font for DC */
meillo@754: unsigned int textw(const char *text);	/* return the width of text in px*/
meillo@754: 
meillo@754: /* event.c */
meillo@754: void grabkeys(void);			/* grab all keys defined in config.h */
meillo@754: void procevent(void);			/* process pending X events */
meillo@754: 
meillo@754: /* main.c */
meillo@756: void quit();			/* quit dwm nicely */
meillo@754: void sendevent(Window w, Atom a, long value);	/* send synthetic event to w */
meillo@754: int xerror(Display *dsply, XErrorEvent *ee);	/* dwm's X error handler */
meillo@754: 
meillo@754: /* tag.c */
meillo@754: void initrregs(void);			/* initialize regexps of rules defined in config.h */
meillo@754: Client *getnext(Client *c);		/* returns next visible client */
meillo@754: void settags(Client *c, Client *trans);	/* sets tags of c */
meillo@756: void toggletag();		/* toggles c tags with arg's index */
meillo@754: 
meillo@754: /* util.c */
meillo@754: void *emallocz(unsigned int size);	/* allocates zero-initialized memory, exits on error */
meillo@754: void eprint(const char *errstr, ...);	/* prints errstr and exits with 1 */
meillo@754: void spawn(Arg *arg);			/* forks a new subprocess with to arg's cmd */
meillo@754: 
meillo@754: /* view.c */
meillo@754: void detach(Client *c);			/* detaches c from global client list */
meillo@754: void dofloat(void);			/* arranges all windows floating */
meillo@754: void dotile(void);			/* arranges all windows tiled */
meillo@754: void domax(void);            /* arranges all windows fullscreen */
meillo@756: void focusnext();		/* focuses next visible client, arg is ignored  */
meillo@756: void incnmaster();		/* increments nmaster */
meillo@756: void decnmaster();		/* decrements nmaster */
meillo@754: Bool isvisible(Client *c);		/* returns True if client is visible */
meillo@754: void restack(void);			/* restores z layers of all clients */
meillo@756: void togglefloat();		/* toggles focusesd client between floating/non-floating state */
meillo@756: void togglemode();		/* toggles global arrange function (dotile/dofloat) */
meillo@755: void toggleview();			/* views the tag with arg's index */
meillo@756: void zoom();			/* zooms the focused client to master area, arg is ignored */
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from view.c */
meillo@754: /* static */
meillo@754: 
meillo@754: static Client *
meillo@754: nexttiled(Client *c) {
meillo@754: 	for(c = getnext(c); c && c->isfloat; c = getnext(c->next));
meillo@754: 	return c;
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: togglemax(Client *c) {
meillo@754: 	XEvent ev;
meillo@754: 		
meillo@754: 	if(c->isfixed)
meillo@754: 		return;
meillo@754: 
meillo@754: 	if((c->ismax = !c->ismax)) {
meillo@754: 		c->rx = c->x; c->x = wax;
meillo@754: 		c->ry = c->y; c->y = way;
meillo@754: 		c->rw = c->w; c->w = waw - 2 * BORDERPX;
meillo@754: 		c->rh = c->h; c->h = wah - 2 * BORDERPX;
meillo@754: 	}
meillo@754: 	else {
meillo@754: 		c->x = c->rx;
meillo@754: 		c->y = c->ry;
meillo@754: 		c->w = c->rw;
meillo@754: 		c->h = c->rh;
meillo@754: 	}
meillo@754: 	resize(c, True);
meillo@754: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: void (*arrange)(void) = DEFMODE;
meillo@754: 
meillo@754: void
meillo@754: detach(Client *c) {
meillo@754: 	if(c->prev)
meillo@754: 		c->prev->next = c->next;
meillo@754: 	if(c->next)
meillo@754: 		c->next->prev = c->prev;
meillo@754: 	if(c == clients)
meillo@754: 		clients = c->next;
meillo@754: 	c->next = c->prev = NULL;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: dofloat(void) {
meillo@754: 	Client *c;
meillo@754: 
meillo@754: 	for(c = clients; c; c = c->next) {
meillo@754: 		if(isvisible(c)) {
meillo@754: 			resize(c, True);
meillo@754: 		}
meillo@754: 		else
meillo@754: 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754: 	}
meillo@754: 	if(!sel || !isvisible(sel)) {
meillo@754: 		for(c = stack; c && !isvisible(c); c = c->snext);
meillo@754: 		focus(c);
meillo@754: 	}
meillo@754: 	restack();
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: dotile(void) {
meillo@754: 	unsigned int i, n, mw, mh, tw, th;
meillo@754: 	Client *c;
meillo@754: 
meillo@754: 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
meillo@754: 		n++;
meillo@754: 	/* window geoms */
meillo@754: 	mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
meillo@754: 	mw = (n > nmaster) ? waw / 2 : waw;
meillo@754: 	th = (n > nmaster) ? wah / (n - nmaster) : 0;
meillo@754: 	tw = waw - mw;
meillo@754: 
meillo@754: 	for(i = 0, c = clients; c; c = c->next)
meillo@754: 		if(isvisible(c)) {
meillo@754: 			if(c->isfloat) {
meillo@754: 				resize(c, True);
meillo@754: 				continue;
meillo@754: 			}
meillo@754: 			c->ismax = False;
meillo@754: 			c->x = wax;
meillo@754: 			c->y = way;
meillo@754: 			if(i < nmaster) {
meillo@754: 				c->y += i * mh;
meillo@754: 				c->w = mw - 2 * BORDERPX;
meillo@754: 				c->h = mh - 2 * BORDERPX;
meillo@754: 			}
meillo@754: 			else {  /* tile window */
meillo@754: 				c->x += mw;
meillo@754: 				c->w = tw - 2 * BORDERPX;
meillo@754: 				if(th > 2 * BORDERPX) {
meillo@754: 					c->y += (i - nmaster) * th;
meillo@754: 					c->h = th - 2 * BORDERPX;
meillo@754: 				}
meillo@754: 				else /* fallback if th <= 2 * BORDERPX */
meillo@754: 					c->h = wah - 2 * BORDERPX;
meillo@754: 			}
meillo@754: 			resize(c, False);
meillo@754: 			i++;
meillo@754: 		}
meillo@754: 		else
meillo@754: 			XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754: 	if(!sel || !isvisible(sel)) {
meillo@754: 		for(c = stack; c && !isvisible(c); c = c->snext);
meillo@754: 		focus(c);
meillo@754: 	}
meillo@754: 	restack();
meillo@754: }
meillo@754: 
meillo@754: /* begin code by mitch */
meillo@754: void
meillo@754: arrangemax(Client *c) {
meillo@754:   if(c == sel) {
meillo@754:     c->ismax = True;
meillo@754:     c->x = sx;
meillo@754:     c->y = bh;
meillo@754:     c->w = sw - 2 * BORDERPX;
meillo@754:     c->h = sh - bh - 2 * BORDERPX;
meillo@754:     XRaiseWindow(dpy, c->win);
meillo@754:   } else {
meillo@754:     c->ismax = False;
meillo@754:     XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754:     XLowerWindow(dpy, c->win);
meillo@754:   }
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: domax(void) {
meillo@754:   Client *c;
meillo@754: 
meillo@754:   for(c = clients; c; c = c->next) {
meillo@754:     if(isvisible(c)) {
meillo@754:       if(c->isfloat) {
meillo@754:         resize(c, True);
meillo@754:         continue;
meillo@754:       }
meillo@754:       arrangemax(c);
meillo@754:       resize(c, False);
meillo@754:     } else {
meillo@754:       XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754:     }
meillo@754: 
meillo@754:   }
meillo@754:   if(!sel || !isvisible(sel)) {
meillo@754:     for(c = stack; c && !isvisible(c); c = c->snext);
meillo@754:     focus(c);
meillo@754:   }
meillo@754:   restack();
meillo@754: }
meillo@754: /* end code by mitch */
meillo@754: 
meillo@754: void
meillo@756: focusnext() {
meillo@754: 	Client *c;
meillo@754: 
meillo@754: 	if(!sel)
meillo@754: 		return;
meillo@754: 	if(!(c = getnext(sel->next)))
meillo@754: 		c = getnext(clients);
meillo@754: 	if(c) {
meillo@754: 		focus(c);
meillo@754: 		restack();
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: incnmaster() {
meillo@756: 	if((arrange == dofloat) || (wah / (nmaster + 1) <= 2 * BORDERPX))
meillo@754: 		return;
meillo@756: 	nmaster++;
meillo@756: 	if(sel)
meillo@756: 		arrange();
meillo@756: 	else
meillo@756: 		drawstatus();
meillo@756: }
meillo@756: 
meillo@756: void
meillo@756: decnmaster() {
meillo@756: 	if((arrange == dofloat) || (nmaster <= 1))
meillo@756: 		return;
meillo@756: 	nmaster--;
meillo@754: 	if(sel)
meillo@754: 		arrange();
meillo@754: 	else
meillo@754: 		drawstatus();
meillo@754: }
meillo@754: 
meillo@754: Bool
meillo@754: isvisible(Client *c) {
meillo@755: 	if((c->tag && seltag) || (!c->tag && !seltag)) {
meillo@755: 		return True;
meillo@755: 	}
meillo@754: 	return False;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: restack(void) {
meillo@754: 	Client *c;
meillo@754: 	XEvent ev;
meillo@754: 
meillo@754: 	drawstatus();
meillo@754: 	if(!sel)
meillo@754: 		return;
meillo@754: 	if(sel->isfloat || arrange == dofloat)
meillo@754: 		XRaiseWindow(dpy, sel->win);
meillo@754: 
meillo@754:   /* begin code by mitch */
meillo@754:   if(arrange == domax) {
meillo@754:     for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
meillo@754:       arrangemax(c);
meillo@754:       resize(c, False);
meillo@754:     }
meillo@754: 
meillo@754:   } else if (arrange == dotile) {
meillo@754:   /* end code by mitch */
meillo@754: 
meillo@754: 		if(!sel->isfloat)
meillo@754: 			XLowerWindow(dpy, sel->win);
meillo@754: 		for(c = nexttiled(clients); c; c = nexttiled(c->next)) {
meillo@754: 			if(c == sel)
meillo@754: 				continue;
meillo@754: 			XLowerWindow(dpy, c->win);
meillo@754: 		}
meillo@754: 	}
meillo@754: 	XSync(dpy, False);
meillo@754: 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: togglefloat() {
meillo@754: 	if (!sel || arrange == dofloat)
meillo@754: 		return;
meillo@754: 	sel->isfloat = !sel->isfloat;
meillo@754: 	arrange();
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: togglemode() {
meillo@754:   /* only toggle between tile and max - float is just available through togglefloat */
meillo@754:   arrange = (arrange == dotile) ? domax : dotile;
meillo@754: 	if(sel)
meillo@754: 		arrange();
meillo@754: 	else
meillo@754: 		drawstatus();
meillo@754: }
meillo@754: 
meillo@754: void
meillo@755: toggleview() {
meillo@755: 	seltag = !seltag;
meillo@754: 	arrange();
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: zoom() {
meillo@754: 	unsigned int n;
meillo@754: 	Client *c;
meillo@754: 
meillo@754: 	if(!sel)
meillo@754: 		return;
meillo@754: 	if(sel->isfloat || (arrange == dofloat)) {
meillo@754: 		togglemax(sel);
meillo@754: 		return;
meillo@754: 	}
meillo@754: 	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
meillo@754: 		n++;
meillo@754: 
meillo@754: 	if((c = sel) == nexttiled(clients))
meillo@754: 		if(!(c = nexttiled(c->next)))
meillo@754: 			return;
meillo@754: 	detach(c);
meillo@754: 	if(clients)
meillo@754: 		clients->prev = c;
meillo@754: 	c->next = clients;
meillo@754: 	clients = c;
meillo@754: 	focus(c);
meillo@754: 	arrange();
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from util.c */
meillo@754: 
meillo@754: 
meillo@754: void *
meillo@754: emallocz(unsigned int size) {
meillo@754: 	void *res = calloc(1, size);
meillo@754: 
meillo@754: 	if(!res)
meillo@754: 		eprint("fatal: could not malloc() %u bytes\n", size);
meillo@754: 	return res;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: eprint(const char *errstr, ...) {
meillo@754: 	va_list ap;
meillo@754: 
meillo@754: 	va_start(ap, errstr);
meillo@754: 	vfprintf(stderr, errstr, ap);
meillo@754: 	va_end(ap);
meillo@754: 	exit(EXIT_FAILURE);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: spawn(Arg *arg) {
meillo@754: 	static char *shell = NULL;
meillo@754: 
meillo@754: 	if(!shell && !(shell = getenv("SHELL")))
meillo@754: 		shell = "/bin/sh";
meillo@754: 	if(!arg->cmd)
meillo@754: 		return;
meillo@754: 	/* The double-fork construct avoids zombie processes and keeps the code
meillo@754: 	 * clean from stupid signal handlers. */
meillo@754: 	if(fork() == 0) {
meillo@754: 		if(fork() == 0) {
meillo@754: 			if(dpy)
meillo@754: 				close(ConnectionNumber(dpy));
meillo@754: 			setsid();
meillo@754: 			execl(shell, shell, "-c", arg->cmd, (char *)NULL);
meillo@754: 			fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
meillo@754: 			perror(" failed");
meillo@754: 		}
meillo@754: 		exit(0);
meillo@754: 	}
meillo@754: 	wait(0);
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from tag.c */
arg@333: 
garbeam@84: /* static */
garbeam@0: 
meillo@754: Client *
meillo@754: getnext(Client *c) {
meillo@754: 	for(; c && !isvisible(c); c = c->next);
meillo@754: 	return c;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: initrregs(void) {
meillo@754: 	unsigned int i;
meillo@754: 	regex_t *reg;
meillo@754: 
meillo@754: 	if(rreg)
meillo@754: 		return;
meillo@754: 	len = sizeof rule / sizeof rule[0];
meillo@754: 	rreg = emallocz(len * sizeof(RReg));
meillo@754: 	for(i = 0; i < len; i++) {
meillo@754: 		if(rule[i].clpattern) {
meillo@754: 			reg = emallocz(sizeof(regex_t));
meillo@754: 			if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
meillo@754: 				free(reg);
meillo@754: 			else
meillo@754: 				rreg[i].clregex = reg;
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: settags(Client *c, Client *trans) {
meillo@754: 	char prop[512];
meillo@756: 	unsigned int i;
meillo@754: 	regmatch_t tmp;
meillo@754: 	Bool matched = trans != NULL;
meillo@754: 	XClassHint ch = { 0 };
meillo@754: 
meillo@754: 	if(matched) {
meillo@755: 		c->tag = trans->tag;
meillo@755: 	} else {
meillo@754: 		XGetClassHint(dpy, c->win, &ch);
meillo@754: 		snprintf(prop, sizeof prop, "%s:%s:%s",
meillo@754: 				ch.res_class ? ch.res_class : "",
meillo@754: 				ch.res_name ? ch.res_name : "", c->name);
meillo@754: 		for(i = 0; i < len; i++)
meillo@754: 			if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
meillo@754: 				c->isfloat = rule[i].isfloat;
meillo@755: 				if (rule[i].tag < 0) {
meillo@755: 					c->tag = seltag;
meillo@755: 				} else if (rule[i].tag == 0) {
meillo@755: 					c->tag = True;
meillo@755: 				} else {
meillo@755: 					c->tag = False;
meillo@754: 				}
meillo@755: 				matched = True;
meillo@754:         break;  /* perform only the first rule matching */
meillo@754: 			}
meillo@754: 		if(ch.res_class)
meillo@754: 			XFree(ch.res_class);
meillo@754: 		if(ch.res_name)
meillo@754: 			XFree(ch.res_name);
meillo@754: 	}
meillo@755: 	if(!matched) {
meillo@755: 		c->tag = seltag;
meillo@755: 	}
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: toggletag() {
meillo@754: 	if(!sel)
meillo@754: 		return;
meillo@755: 	sel->tag = !sel->tag;
meillo@755: 	toggleview();
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from event.c */
meillo@754: /* static */
meillo@754: 
meillo@754: KEYS
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: static void
meillo@754: movemouse(Client *c) {
meillo@754: 	int x1, y1, ocx, ocy, di;
meillo@754: 	unsigned int dui;
meillo@754: 	Window dummy;
meillo@754: 	XEvent ev;
meillo@754: 
meillo@754: 	ocx = c->x;
meillo@754: 	ocy = c->y;
meillo@754: 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
meillo@754: 			None, cursor[CurMove], CurrentTime) != GrabSuccess)
meillo@754: 		return;
meillo@754: 	c->ismax = False;
meillo@754: 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
meillo@754: 	for(;;) {
meillo@754: 		XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
meillo@754: 		switch (ev.type) {
meillo@754: 		case ButtonRelease:
meillo@754: 			resize(c, True);
meillo@754: 			XUngrabPointer(dpy, CurrentTime);
meillo@754: 			return;
meillo@754: 		case ConfigureRequest:
meillo@754: 		case Expose:
meillo@754: 		case MapRequest:
meillo@754: 			handler[ev.type](&ev);
meillo@754: 			break;
meillo@754: 		case MotionNotify:
meillo@754: 			XSync(dpy, False);
meillo@754: 			c->x = ocx + (ev.xmotion.x - x1);
meillo@754: 			c->y = ocy + (ev.xmotion.y - y1);
meillo@754: 			if(abs(wax + c->x) < SNAP)
meillo@754: 				c->x = wax;
meillo@754: 			else if(abs((wax + waw) - (c->x + c->w + 2 * c->border)) < SNAP)
meillo@754: 				c->x = wax + waw - c->w - 2 * c->border;
meillo@754: 			if(abs(way - c->y) < SNAP)
meillo@754: 				c->y = way;
meillo@754: 			else if(abs((way + wah) - (c->y + c->h + 2 * c->border)) < SNAP)
meillo@754: 				c->y = way + wah - c->h - 2 * c->border;
meillo@754: 			resize(c, False);
meillo@754: 			break;
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: resizemouse(Client *c) {
meillo@754: 	int ocx, ocy;
meillo@754: 	int nw, nh;
meillo@754: 	XEvent ev;
meillo@754: 
meillo@754: 	ocx = c->x;
meillo@754: 	ocy = c->y;
meillo@754: 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
meillo@754: 			None, cursor[CurResize], CurrentTime) != GrabSuccess)
meillo@754: 		return;
meillo@754: 	c->ismax = False;
meillo@754: 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
meillo@754: 	for(;;) {
meillo@754: 		XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
meillo@754: 		switch(ev.type) {
meillo@754: 		case ButtonRelease:
meillo@754: 			resize(c, True);
meillo@754: 			XUngrabPointer(dpy, CurrentTime);
meillo@754: 			return;
meillo@754: 		case ConfigureRequest:
meillo@754: 		case Expose:
meillo@754: 		case MapRequest:
meillo@754: 			handler[ev.type](&ev);
meillo@754: 			break;
meillo@754: 		case MotionNotify:
meillo@754: 			XSync(dpy, False);
meillo@754: 			nw = ev.xmotion.x - ocx - 2 * c->border + 1;
meillo@754: 			c->w = nw > 0 ? nw : 1;
meillo@754: 			nh = ev.xmotion.y - ocy - 2 * c->border + 1;
meillo@754: 			c->h = nh > 0 ? nh : 1;
meillo@754: 			resize(c, True);
meillo@754: 			break;
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: buttonpress(XEvent *e) {
meillo@754: 	int x;
meillo@754: 	Arg a;
meillo@754: 	Client *c;
meillo@754: 	XButtonPressedEvent *ev = &e->xbutton;
meillo@754: 
meillo@754: 	if(barwin == ev->window) {
meillo@754: 		x = 0;
meillo@754: 		for(a.i = 0; a.i < ntags; a.i++) {
meillo@754: 			x += textw(tags[a.i]);
meillo@754: 			if(ev->x < x) {
meillo@754: 				if(ev->button == Button1) {
meillo@755: 					toggleview();
meillo@754: 				}
meillo@754: 				return;
meillo@754: 			}
meillo@754: 		}
meillo@754: 		if(ev->x < x + bmw)
meillo@754: 			if (ev->button == Button1) {
meillo@754: 				togglemode(NULL);
meillo@754: 			}
meillo@754: 	}
meillo@754: 	else if((c = getclient(ev->window))) {
meillo@754: 		focus(c);
meillo@754: 		if(CLEANMASK(ev->state) != MODKEY)
meillo@754: 			return;
meillo@754: 		if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
meillo@754: 			restack();
meillo@754: 			movemouse(c);
meillo@754: 		}
meillo@754: 		else if(ev->button == Button2)
meillo@754: 			zoom(NULL);
meillo@754: 		else if(ev->button == Button3 && (arrange == dofloat || c->isfloat) &&
meillo@754: 				!c->isfixed) {
meillo@754: 			restack();
meillo@754: 			resizemouse(c);
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: configurerequest(XEvent *e) {
meillo@754: 	unsigned long newmask;
meillo@754: 	Client *c;
meillo@754: 	XConfigureRequestEvent *ev = &e->xconfigurerequest;
meillo@754: 	XWindowChanges wc;
meillo@754: 
meillo@754: 	if((c = getclient(ev->window))) {
meillo@754: 		c->ismax = False;
meillo@754: 		if(ev->value_mask & CWX)
meillo@754: 			c->x = ev->x;
meillo@754: 		if(ev->value_mask & CWY)
meillo@754: 			c->y = ev->y;
meillo@754: 		if(ev->value_mask & CWWidth)
meillo@754: 			c->w = ev->width;
meillo@754: 		if(ev->value_mask & CWHeight)
meillo@754: 			c->h = ev->height;
meillo@754: 		if(ev->value_mask & CWBorderWidth)
meillo@754: 			c->border = ev->border_width;
meillo@754: 		wc.x = c->x;
meillo@754: 		wc.y = c->y;
meillo@754: 		wc.width = c->w;
meillo@754: 		wc.height = c->h;
meillo@754: 		newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
meillo@754: 		if(newmask)
meillo@754: 			XConfigureWindow(dpy, c->win, newmask, &wc);
meillo@754: 		else
meillo@754: 			configure(c);
meillo@754: 		XSync(dpy, False);
meillo@754: 		if(c->isfloat) {
meillo@754: 			resize(c, False);
meillo@754: 			if(!isvisible(c))
meillo@754: 				XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754: 		}
meillo@754: 		else
meillo@754: 			arrange();
meillo@754: 	}
meillo@754: 	else {
meillo@754: 		wc.x = ev->x;
meillo@754: 		wc.y = ev->y;
meillo@754: 		wc.width = ev->width;
meillo@754: 		wc.height = ev->height;
meillo@754: 		wc.border_width = ev->border_width;
meillo@754: 		wc.sibling = ev->above;
meillo@754: 		wc.stack_mode = ev->detail;
meillo@754: 		XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
meillo@754: 		XSync(dpy, False);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: destroynotify(XEvent *e) {
meillo@754: 	Client *c;
meillo@754: 	XDestroyWindowEvent *ev = &e->xdestroywindow;
meillo@754: 
meillo@754: 	if((c = getclient(ev->window)))
meillo@754: 		unmanage(c);
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: enternotify(XEvent *e) {
meillo@754: 	Client *c;
meillo@754: 	XCrossingEvent *ev = &e->xcrossing;
meillo@754: 
meillo@754: 	if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
meillo@754: 		return;
meillo@754: 	if((c = getclient(ev->window)) && isvisible(c))
meillo@754: 		focus(c);
meillo@754: 	else if(ev->window == root) {
meillo@754: 		selscreen = True;
meillo@754: 		for(c = stack; c && !isvisible(c); c = c->snext);
meillo@754: 		focus(c);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: expose(XEvent *e) {
meillo@754: 	XExposeEvent *ev = &e->xexpose;
meillo@754: 
meillo@754: 	if(ev->count == 0) {
meillo@754: 		if(barwin == ev->window)
meillo@754: 			drawstatus();
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: keypress(XEvent *e) {
meillo@754: 	static unsigned int len = sizeof key / sizeof key[0];
meillo@754: 	unsigned int i;
meillo@754: 	KeySym keysym;
meillo@754: 	XKeyEvent *ev = &e->xkey;
meillo@754: 
meillo@754: 	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
meillo@754: 	for(i = 0; i < len; i++) {
meillo@756: 		if(keysym == key[i].keysym && CLEANMASK(key[i].mod) == CLEANMASK(ev->state)) {
meillo@754: 			if(key[i].func)
meillo@754: 				key[i].func(&key[i].arg);
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: leavenotify(XEvent *e) {
meillo@754: 	XCrossingEvent *ev = &e->xcrossing;
meillo@754: 
meillo@754: 	if((ev->window == root) && !ev->same_screen) {
meillo@754: 		selscreen = False;
meillo@754: 		focus(NULL);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: mappingnotify(XEvent *e) {
meillo@754: 	XMappingEvent *ev = &e->xmapping;
meillo@754: 
meillo@754: 	XRefreshKeyboardMapping(ev);
meillo@754: 	if(ev->request == MappingKeyboard)
meillo@754: 		grabkeys();
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: maprequest(XEvent *e) {
meillo@754: 	static XWindowAttributes wa;
meillo@754: 	XMapRequestEvent *ev = &e->xmaprequest;
meillo@754: 
meillo@754: 	if(!XGetWindowAttributes(dpy, ev->window, &wa))
meillo@754: 		return;
meillo@754: 	if(wa.override_redirect) {
meillo@754: 		XSelectInput(dpy, ev->window,
meillo@754: 				(StructureNotifyMask | PropertyChangeMask));
meillo@754: 		return;
meillo@754: 	}
meillo@754: 	if(!getclient(ev->window))
meillo@754: 		manage(ev->window, &wa);
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: propertynotify(XEvent *e) {
meillo@754: 	Client *c;
meillo@754: 	Window trans;
meillo@754: 	XPropertyEvent *ev = &e->xproperty;
meillo@754: 
meillo@754: 	if(ev->state == PropertyDelete)
meillo@754: 		return; /* ignore */
meillo@754: 	if((c = getclient(ev->window))) {
meillo@754: 		switch (ev->atom) {
meillo@754: 			default: break;
meillo@754: 			case XA_WM_TRANSIENT_FOR:
meillo@754: 				XGetTransientForHint(dpy, c->win, &trans);
meillo@754: 				if(!c->isfloat && (c->isfloat = (trans != 0)))
meillo@754: 					arrange();
meillo@754: 				break;
meillo@754: 			case XA_WM_NORMAL_HINTS:
meillo@754: 				updatesizehints(c);
meillo@754: 				break;
meillo@754: 		}
meillo@754: 		if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
meillo@754: 			updatetitle(c);
meillo@754: 			if(c == sel)
meillo@754: 				drawstatus();
meillo@754: 		}
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: unmapnotify(XEvent *e) {
meillo@754: 	Client *c;
meillo@754: 	XUnmapEvent *ev = &e->xunmap;
meillo@754: 
meillo@754: 	if((c = getclient(ev->window)))
meillo@754: 		unmanage(c);
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: void (*handler[LASTEvent]) (XEvent *) = {
meillo@754: 	[ButtonPress] = buttonpress,
meillo@754: 	[ConfigureRequest] = configurerequest,
meillo@754: 	[DestroyNotify] = destroynotify,
meillo@754: 	[EnterNotify] = enternotify,
meillo@754: 	[LeaveNotify] = leavenotify,
meillo@754: 	[Expose] = expose,
meillo@754: 	[KeyPress] = keypress,
meillo@754: 	[MappingNotify] = mappingnotify,
meillo@754: 	[MapRequest] = maprequest,
meillo@754: 	[PropertyNotify] = propertynotify,
meillo@754: 	[UnmapNotify] = unmapnotify
meillo@754: };
meillo@754: 
meillo@754: void
meillo@754: grabkeys(void) {
meillo@754: 	static unsigned int len = sizeof key / sizeof key[0];
meillo@754: 	unsigned int i;
meillo@754: 	KeyCode code;
meillo@754: 
meillo@754: 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
meillo@754: 	for(i = 0; i < len; i++) {
meillo@754: 		code = XKeysymToKeycode(dpy, key[i].keysym);
meillo@754: 		XGrabKey(dpy, code, key[i].mod, root, True,
meillo@754: 				GrabModeAsync, GrabModeAsync);
meillo@754: 		XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
meillo@754: 				GrabModeAsync, GrabModeAsync);
meillo@754: 		XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
meillo@754: 				GrabModeAsync, GrabModeAsync);
meillo@754: 		XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
meillo@754: 				GrabModeAsync, GrabModeAsync);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: procevent(void) {
meillo@754: 	XEvent ev;
meillo@754: 
meillo@754: 	while(XPending(dpy)) {
meillo@754: 		XNextEvent(dpy, &ev);
meillo@754: 		if(handler[ev.type])
meillo@754: 			(handler[ev.type])(&ev); /* call handler */
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from draw.c */
meillo@754: /* static */
meillo@754: 
meillo@754: static unsigned int
meillo@754: textnw(const char *text, unsigned int len) {
meillo@754: 	XRectangle r;
meillo@754: 
meillo@754: 	if(dc.font.set) {
meillo@754: 		XmbTextExtents(dc.font.set, text, len, NULL, &r);
meillo@754: 		return r.width;
meillo@754: 	}
meillo@754: 	return XTextWidth(dc.font.xfont, text, len);
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: drawtext(const char *text, unsigned long col[ColLast]) {
meillo@754: 	int x, y, w, h;
meillo@754: 	static char buf[256];
meillo@754: 	unsigned int len, olen;
meillo@754: 	XGCValues gcv;
meillo@754: 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
meillo@754: 
meillo@754: 	XSetForeground(dpy, dc.gc, col[ColBG]);
meillo@754: 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
meillo@754: 	if(!text)
meillo@754: 		return;
meillo@754: 	w = 0;
meillo@754: 	olen = len = strlen(text);
meillo@754: 	if(len >= sizeof buf)
meillo@754: 		len = sizeof buf - 1;
meillo@754: 	memcpy(buf, text, len);
meillo@754: 	buf[len] = 0;
meillo@754: 	h = dc.font.ascent + dc.font.descent;
meillo@754: 	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
meillo@754: 	x = dc.x + (h / 2);
meillo@754: 	/* shorten text if necessary */
meillo@754: 	while(len && (w = textnw(buf, len)) > dc.w - h)
meillo@754: 		buf[--len] = 0;
meillo@754: 	if(len < olen) {
meillo@754: 		if(len > 1)
meillo@754: 			buf[len - 1] = '.';
meillo@754: 		if(len > 2)
meillo@754: 			buf[len - 2] = '.';
meillo@754: 		if(len > 3)
meillo@754: 			buf[len - 3] = '.';
meillo@754: 	}
meillo@754: 	if(w > dc.w)
meillo@754: 		return; /* too long */
meillo@754: 	gcv.foreground = col[ColFG];
meillo@754: 	if(dc.font.set) {
meillo@754: 		XChangeGC(dpy, dc.gc, GCForeground, &gcv);
meillo@754: 		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
meillo@754: 	} else {
meillo@754: 		gcv.font = dc.font.xfont->fid;
meillo@754: 		XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
meillo@754: 		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: void
meillo@754: drawstatus(void) {
meillo@756: 	int x;
meillo@756: 	unsigned int i;
meillo@754: 
meillo@754: 	dc.x = dc.y = 0;
meillo@754: 	for(i = 0; i < ntags; i++) {
meillo@754: 		dc.w = textw(tags[i]);
meillo@756: 		drawtext(tags[i], ( ((i == 0 && seltag) || (i == 1 && !seltag)) ? dc.sel : dc.norm));
meillo@754: 		dc.x += dc.w + 1;
meillo@754: 	}
meillo@754: 	dc.w = bmw;
meillo@754: 	drawtext("", dc.norm);
meillo@754: 	x = dc.x + dc.w;
meillo@754: 	dc.w = textw(stext);
meillo@754: 	dc.x = sw - dc.w;
meillo@754: 	if(dc.x < x) {
meillo@754: 		dc.x = x;
meillo@754: 		dc.w = sw - x;
meillo@754: 	}
meillo@754: 	drawtext(stext, dc.norm);
meillo@754: 	if((dc.w = dc.x - x) > bh) {
meillo@754: 		dc.x = x;
meillo@754: 		drawtext(sel ? sel->name : NULL, dc.norm);
meillo@754: 	}
meillo@754: 	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
meillo@754: 	XSync(dpy, False);
meillo@754: }
meillo@754: 
meillo@754: unsigned long
meillo@754: getcolor(const char *colstr) {
meillo@754: 	Colormap cmap = DefaultColormap(dpy, screen);
meillo@754: 	XColor color;
meillo@754: 
meillo@754: 	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
meillo@754: 		eprint("error, cannot allocate color '%s'\n", colstr);
meillo@754: 	return color.pixel;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: setfont(const char *fontstr) {
meillo@754: 	char *def, **missing;
meillo@754: 	int i, n;
meillo@754: 
meillo@754: 	missing = NULL;
meillo@754: 	if(dc.font.set)
meillo@754: 		XFreeFontSet(dpy, dc.font.set);
meillo@754: 	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
meillo@754: 	if(missing) {
meillo@754: 		while(n--)
meillo@754: 			fprintf(stderr, "missing fontset: %s\n", missing[n]);
meillo@754: 		XFreeStringList(missing);
meillo@754: 	}
meillo@754: 	if(dc.font.set) {
meillo@754: 		XFontSetExtents *font_extents;
meillo@754: 		XFontStruct **xfonts;
meillo@754: 		char **font_names;
meillo@754: 		dc.font.ascent = dc.font.descent = 0;
meillo@754: 		font_extents = XExtentsOfFontSet(dc.font.set);
meillo@754: 		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
meillo@754: 		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
meillo@754: 			if(dc.font.ascent < (*xfonts)->ascent)
meillo@754: 				dc.font.ascent = (*xfonts)->ascent;
meillo@754: 			if(dc.font.descent < (*xfonts)->descent)
meillo@754: 				dc.font.descent = (*xfonts)->descent;
meillo@754: 			xfonts++;
meillo@754: 		}
meillo@754: 	} else {
meillo@754: 		if(dc.font.xfont)
meillo@754: 			XFreeFont(dpy, dc.font.xfont);
meillo@754: 		dc.font.xfont = NULL;
meillo@754: 		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
meillo@754: 			eprint("error, cannot load font: '%s'\n", fontstr);
meillo@754: 		dc.font.ascent = dc.font.xfont->ascent;
meillo@754: 		dc.font.descent = dc.font.xfont->descent;
meillo@754: 	}
meillo@754: 	dc.font.height = dc.font.ascent + dc.font.descent;
meillo@754: }
meillo@754: 
meillo@754: unsigned int
meillo@754: textw(const char *text) {
meillo@754: 	return textnw(text, strlen(text)) + dc.font.height;
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* from client.c */
meillo@754: /* static */
meillo@754: 
meillo@754: static void
meillo@754: detachstack(Client *c) {
meillo@754: 	Client **tc;
meillo@754: 	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
meillo@754: 	*tc = c->snext;
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: grabbuttons(Client *c, Bool focused) {
meillo@754: 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
meillo@754: 
meillo@754: 	if(focused) {
meillo@754: 		XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 
meillo@754: 		XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 
meillo@754: 		XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 		XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 	} else {
meillo@754: 		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
meillo@754: 				GrabModeAsync, GrabModeSync, None, None);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: static void
meillo@754: setclientstate(Client *c, long state) {
meillo@754: 	long data[] = {state, None};
meillo@754: 	XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
meillo@754: 			PropModeReplace, (unsigned char *)data, 2);
meillo@754: }
meillo@754: 
meillo@754: static int
meillo@754: xerrordummy(Display *dsply, XErrorEvent *ee) {
meillo@754: 	return 0;
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: void
meillo@754: configure(Client *c) {
meillo@754: 	XEvent synev;
meillo@754: 
meillo@754: 	synev.type = ConfigureNotify;
meillo@754: 	synev.xconfigure.display = dpy;
meillo@754: 	synev.xconfigure.event = c->win;
meillo@754: 	synev.xconfigure.window = c->win;
meillo@754: 	synev.xconfigure.x = c->x;
meillo@754: 	synev.xconfigure.y = c->y;
meillo@754: 	synev.xconfigure.width = c->w;
meillo@754: 	synev.xconfigure.height = c->h;
meillo@754: 	synev.xconfigure.border_width = c->border;
meillo@754: 	synev.xconfigure.above = None;
meillo@754: 	XSendEvent(dpy, c->win, True, NoEventMask, &synev);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: focus(Client *c) {
meillo@754: 	if(c && !isvisible(c))
meillo@754: 		return;
meillo@754: 	if(sel && sel != c) {
meillo@754: 		grabbuttons(sel, False);
meillo@754: 		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
meillo@754: 	}
meillo@754: 	if(c) {
meillo@754: 		detachstack(c);
meillo@754: 		c->snext = stack;
meillo@754: 		stack = c;
meillo@754: 		grabbuttons(c, True);
meillo@754: 	}
meillo@754: 	sel = c;
meillo@754: 	drawstatus();
meillo@754: 	if(!selscreen)
meillo@754: 		return;
meillo@754: 	if(c) {
meillo@754: 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
meillo@754: 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
meillo@754: 	} else {
meillo@754: 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
meillo@754: 	}
meillo@754: }
meillo@754: 
meillo@754: Client *
meillo@754: getclient(Window w) {
meillo@754: 	Client *c;
meillo@754: 
meillo@754: 	for(c = clients; c; c = c->next) {
meillo@754: 		if(c->win == w) {
meillo@754: 			return c;
meillo@754: 		}
meillo@754: 	}
meillo@754: 	return NULL;
meillo@754: }
meillo@754: 
meillo@754: Bool
meillo@754: isprotodel(Client *c) {
meillo@754: 	int i, n;
meillo@754: 	Atom *protocols;
meillo@754: 	Bool ret = False;
meillo@754: 
meillo@754: 	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
meillo@754: 		for(i = 0; !ret && i < n; i++)
meillo@754: 			if(protocols[i] == wmatom[WMDelete])
meillo@754: 				ret = True;
meillo@754: 		XFree(protocols);
meillo@754: 	}
meillo@754: 	return ret;
meillo@754: }
meillo@754: 
meillo@754: void
meillo@756: killclient() {
meillo@754: 	if(!sel)
meillo@754: 		return;
meillo@754: 	if(isprotodel(sel))
meillo@754: 		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
meillo@754: 	else
meillo@754: 		XKillClient(dpy, sel->win);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: manage(Window w, XWindowAttributes *wa) {
meillo@754: 	Client *c;
meillo@754: 	Window trans;
meillo@754: 
meillo@754: 	c = emallocz(sizeof(Client));
meillo@755: 	c->tag = True;
meillo@754: 	c->win = w;
meillo@754: 	c->x = wa->x;
meillo@754: 	c->y = wa->y;
meillo@754: 	c->w = wa->width;
meillo@754: 	c->h = wa->height;
meillo@754: 	if(c->w == sw && c->h == sh) {
meillo@754: 		c->border = 0;
meillo@754: 		c->x = sx;
meillo@754: 		c->y = sy;
meillo@754: 	} else {
meillo@754: 		c->border = BORDERPX;
meillo@754: 		if(c->x + c->w + 2 * c->border > wax + waw)
meillo@754: 			c->x = wax + waw - c->w - 2 * c->border;
meillo@754: 		if(c->y + c->h + 2 * c->border > way + wah)
meillo@754: 			c->y = way + wah - c->h - 2 * c->border;
meillo@754: 		if(c->x < wax)
meillo@754: 			c->x = wax;
meillo@754: 		if(c->y < way)
meillo@754: 			c->y = way;
meillo@754: 	}
meillo@754: 	updatesizehints(c);
meillo@754: 	XSelectInput(dpy, c->win,
meillo@754: 		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
meillo@754: 	XGetTransientForHint(dpy, c->win, &trans);
meillo@754: 	grabbuttons(c, False);
meillo@754: 	XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
meillo@754: 	updatetitle(c);
meillo@754: 	settags(c, getclient(trans));
meillo@754: 	if(!c->isfloat)
meillo@754: 		c->isfloat = trans || c->isfixed;
meillo@754: 	if(clients)
meillo@754: 		clients->prev = c;
meillo@754: 	c->next = clients;
meillo@754: 	c->snext = stack;
meillo@754: 	stack = clients = c;
meillo@754: 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
meillo@754: 	XMapWindow(dpy, c->win);
meillo@754: 	setclientstate(c, NormalState);
meillo@754: 	if(isvisible(c))
meillo@754: 		focus(c);
meillo@754: 	arrange();
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: resize(Client *c, Bool sizehints) {
meillo@754: 	float actual, dx, dy, max, min;
meillo@754: 	XWindowChanges wc;
meillo@754: 
meillo@754: 	if(c->w <= 0 || c->h <= 0)
meillo@754: 		return;
meillo@754: 	if(sizehints) {
meillo@754: 		if(c->minw && c->w < c->minw)
meillo@754: 			c->w = c->minw;
meillo@754: 		if(c->minh && c->h < c->minh)
meillo@754: 			c->h = c->minh;
meillo@754: 		if(c->maxw && c->w > c->maxw)
meillo@754: 			c->w = c->maxw;
meillo@754: 		if(c->maxh && c->h > c->maxh)
meillo@754: 			c->h = c->maxh;
meillo@754: 		/* inspired by algorithm from fluxbox */
meillo@754: 		if(c->minay > 0 && c->maxay && (c->h - c->baseh) > 0) {
meillo@754: 			dx = (float)(c->w - c->basew);
meillo@754: 			dy = (float)(c->h - c->baseh);
meillo@754: 			min = (float)(c->minax) / (float)(c->minay);
meillo@754: 			max = (float)(c->maxax) / (float)(c->maxay);
meillo@754: 			actual = dx / dy;
meillo@754: 			if(max > 0 && min > 0 && actual > 0) {
meillo@754: 				if(actual < min) {
meillo@754: 					dy = (dx * min + dy) / (min * min + 1);
meillo@754: 					dx = dy * min;
meillo@754: 					c->w = (int)dx + c->basew;
meillo@754: 					c->h = (int)dy + c->baseh;
meillo@754: 				}
meillo@754: 				else if(actual > max) {
meillo@754: 					dy = (dx * min + dy) / (max * max + 1);
meillo@754: 					dx = dy * min;
meillo@754: 					c->w = (int)dx + c->basew;
meillo@754: 					c->h = (int)dy + c->baseh;
meillo@754: 				}
meillo@754: 			}
meillo@754: 		}
meillo@754: 		if(c->incw)
meillo@754: 			c->w -= (c->w - c->basew) % c->incw;
meillo@754: 		if(c->inch)
meillo@754: 			c->h -= (c->h - c->baseh) % c->inch;
meillo@754: 	}
meillo@754: 	if(c->w == sw && c->h == sh)
meillo@754: 		c->border = 0;
meillo@754: 	else
meillo@754: 		c->border = BORDERPX;
meillo@754: 	/* offscreen appearance fixes */
meillo@754: 	if(c->x > sw)
meillo@754: 		c->x = sw - c->w - 2 * c->border;
meillo@754: 	if(c->y > sh)
meillo@754: 		c->y = sh - c->h - 2 * c->border;
meillo@754: 	if(c->x + c->w + 2 * c->border < sx)
meillo@754: 		c->x = sx;
meillo@754: 	if(c->y + c->h + 2 * c->border < sy)
meillo@754: 		c->y = sy;
meillo@754: 	wc.x = c->x;
meillo@754: 	wc.y = c->y;
meillo@754: 	wc.width = c->w;
meillo@754: 	wc.height = c->h;
meillo@754: 	wc.border_width = c->border;
meillo@754: 	XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
meillo@754: 	configure(c);
meillo@754: 	XSync(dpy, False);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: updatesizehints(Client *c) {
meillo@754: 	long msize;
meillo@754: 	XSizeHints size;
meillo@754: 
meillo@754: 	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
meillo@754: 		size.flags = PSize;
meillo@754: 	c->flags = size.flags;
meillo@754: 	if(c->flags & PBaseSize) {
meillo@754: 		c->basew = size.base_width;
meillo@754: 		c->baseh = size.base_height;
meillo@754: 	} else {
meillo@754: 		c->basew = c->baseh = 0;
meillo@754: 	}
meillo@754: 	if(c->flags & PResizeInc) {
meillo@754: 		c->incw = size.width_inc;
meillo@754: 		c->inch = size.height_inc;
meillo@754: 	} else {
meillo@754: 		c->incw = c->inch = 0;
meillo@754: 	}
meillo@754: 	if(c->flags & PMaxSize) {
meillo@754: 		c->maxw = size.max_width;
meillo@754: 		c->maxh = size.max_height;
meillo@754: 	} else {
meillo@754: 		c->maxw = c->maxh = 0;
meillo@754: 	}
meillo@754: 	if(c->flags & PMinSize) {
meillo@754: 		c->minw = size.min_width;
meillo@754: 		c->minh = size.min_height;
meillo@754: 	} else {
meillo@754: 		c->minw = c->minh = 0;
meillo@754: 	}
meillo@754: 	if(c->flags & PAspect) {
meillo@754: 		c->minax = size.min_aspect.x;
meillo@754: 		c->minay = size.min_aspect.y;
meillo@754: 		c->maxax = size.max_aspect.x;
meillo@754: 		c->maxay = size.max_aspect.y;
meillo@754: 	} else {
meillo@754: 		c->minax = c->minay = c->maxax = c->maxay = 0;
meillo@754: 	}
meillo@754: 	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
meillo@754: 				c->maxw == c->minw && c->maxh == c->minh);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: updatetitle(Client *c) {
meillo@754: 	char **list = NULL;
meillo@754: 	int n;
meillo@754: 	XTextProperty name;
meillo@754: 
meillo@754: 	name.nitems = 0;
meillo@754: 	c->name[0] = 0;
meillo@754: 	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
meillo@754: 	if(!name.nitems)
meillo@754: 		XGetWMName(dpy, c->win, &name);
meillo@754: 	if(!name.nitems)
meillo@754: 		return;
meillo@754: 	if(name.encoding == XA_STRING)
meillo@754: 		strncpy(c->name, (char *)name.value, sizeof c->name);
meillo@754: 	else {
meillo@754: 		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
meillo@754: 			strncpy(c->name, *list, sizeof c->name);
meillo@754: 			XFreeStringList(list);
meillo@754: 		}
meillo@754: 	}
meillo@754: 	XFree(name.value);
meillo@754: }
meillo@754: 
meillo@754: void
meillo@754: unmanage(Client *c) {
meillo@754: 	Client *nc;
meillo@754: 
meillo@754: 	/* The server grab construct avoids race conditions. */
meillo@754: 	XGrabServer(dpy);
meillo@754: 	XSetErrorHandler(xerrordummy);
meillo@754: 	detach(c);
meillo@754: 	detachstack(c);
meillo@754: 	if(sel == c) {
meillo@754: 		for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
meillo@754: 		focus(nc);
meillo@754: 	}
meillo@754: 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
meillo@754: 	setclientstate(c, WithdrawnState);
meillo@754: 	free(c);
meillo@754: 	XSync(dpy, False);
meillo@754: 	XSetErrorHandler(xerror);
meillo@754: 	XUngrabServer(dpy);
meillo@754: 	arrange();
meillo@754: }
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: 
meillo@754: /* static */
meillo@754: 
garbeam@0: 
garbeam@0: static void
arg@487: cleanup(void) {
arg@302: 	close(STDIN_FILENO);
arg@645: 	while(stack) {
arg@708: 		resize(stack, True);
arg@645: 		unmanage(stack);
garbeam@76: 	}
arg@295: 	if(dc.font.set)
arg@295: 		XFreeFontSet(dpy, dc.font.set);
arg@295: 	else
arg@295: 		XFreeFont(dpy, dc.font.xfont);
arg@292: 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
arg@295: 	XFreePixmap(dpy, dc.drawable);
arg@295: 	XFreeGC(dpy, dc.gc);
arg@309: 	XDestroyWindow(dpy, barwin);
arg@616: 	XFreeCursor(dpy, cursor[CurNormal]);
arg@616: 	XFreeCursor(dpy, cursor[CurResize]);
arg@616: 	XFreeCursor(dpy, cursor[CurMove]);
garbeam@76: 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
arg@292: 	XSync(dpy, False);
garbeam@76: }
garbeam@0: 
garbeam@0: static void
arg@487: scan(void) {
garbeam@0: 	unsigned int i, num;
arg@123: 	Window *wins, d1, d2;
garbeam@0: 	XWindowAttributes wa;
garbeam@0: 
arg@292: 	wins = NULL;
garbeam@0: 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
garbeam@0: 		for(i = 0; i < num; i++) {
garbeam@0: 			if(!XGetWindowAttributes(dpy, wins[i], &wa))
garbeam@0: 				continue;
garbeam@0: 			if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
garbeam@0: 				continue;
garbeam@0: 			if(wa.map_state == IsViewable)
garbeam@10: 				manage(wins[i], &wa);
garbeam@0: 		}
garbeam@0: 	}
garbeam@0: 	if(wins)
garbeam@0: 		XFree(wins);
garbeam@0: }
garbeam@0: 
arg@333: static void
arg@487: setup(void) {
arg@333: 	int i, j;
arg@333: 	unsigned int mask;
arg@333: 	Window w;
arg@333: 	XModifierKeymap *modmap;
arg@333: 	XSetWindowAttributes wa;
arg@333: 
arg@333: 	/* init atoms */
arg@333: 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
arg@333: 	wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
arg@725: 	wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
arg@333: 	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
arg@333: 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
arg@333: 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
arg@333: 			PropModeReplace, (unsigned char *) netatom, NetLast);
arg@333: 	/* init cursors */
arg@333: 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
arg@333: 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
arg@333: 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
arg@532: 	/* init modifier map */
arg@679: 	numlockmask = 0;
arg@333: 	modmap = XGetModifierMapping(dpy);
arg@333: 	for (i = 0; i < 8; i++) {
arg@333: 		for (j = 0; j < modmap->max_keypermod; j++) {
arg@333: 			if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
arg@333: 				numlockmask = (1 << i);
arg@333: 		}
arg@333: 	}
arg@616: 	XFreeModifiermap(modmap);
arg@532: 	/* select for events */
arg@461: 	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
arg@461: 		| EnterWindowMask | LeaveWindowMask;
arg@333: 	wa.cursor = cursor[CurNormal];
arg@333: 	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
arg@333: 	grabkeys();
arg@333: 	initrregs();
meillo@755: 	ntags = 2;
meillo@755: 	seltag = True;
arg@333: 	/* style */
arg@689: 	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
arg@353: 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
arg@353: 	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
arg@689: 	dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
arg@353: 	dc.sel[ColBG] = getcolor(SELBGCOLOR);
arg@353: 	dc.sel[ColFG] = getcolor(SELFGCOLOR);
arg@333: 	setfont(FONT);
arg@532: 	/* geometry */
arg@333: 	sx = sy = 0;
arg@333: 	sw = DisplayWidth(dpy, screen);
arg@333: 	sh = DisplayHeight(dpy, screen);
arg@650: 	nmaster = NMASTER;
meillo@754: 	bmw = 1;
arg@532: 	/* bar */
arg@353: 	dc.h = bh = dc.font.height + 2;
arg@333: 	wa.override_redirect = 1;
arg@333: 	wa.background_pixmap = ParentRelative;
arg@333: 	wa.event_mask = ButtonPressMask | ExposureMask;
meillo@754: 	barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0,
arg@739: 			DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
arg@333: 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
arg@333: 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
arg@333: 	XMapRaised(dpy, barwin);
arg@532: 	strcpy(stext, "dwm-"VERSION);
arg@565: 	/* windowarea */
arg@565: 	wax = sx;
meillo@754: 	way = sy + bh;
arg@565: 	wah = sh - bh;
arg@565: 	waw = sw;
arg@532: 	/* pixmap for everything */
arg@333: 	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
arg@333: 	dc.gc = XCreateGC(dpy, root, 0, 0);
arg@344: 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
arg@532: 	/* multihead support */
arg@716: 	selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
arg@333: }
arg@333: 
garbeam@76: /*
garbeam@76:  * Startup Error handler to check if another window manager
garbeam@76:  * is already running.
garbeam@76:  */
garbeam@76: static int
arg@461: xerrorstart(Display *dsply, XErrorEvent *ee) {
garbeam@76: 	otherwm = True;
garbeam@76: 	return -1;
garbeam@76: }
garbeam@76: 
meillo@754: 
garbeam@84: 
garbeam@13: void
arg@461: sendevent(Window w, Atom a, long value) {
garbeam@13: 	XEvent e;
garbeam@13: 
garbeam@13: 	e.type = ClientMessage;
garbeam@13: 	e.xclient.window = w;
garbeam@13: 	e.xclient.message_type = a;
garbeam@13: 	e.xclient.format = 32;
garbeam@13: 	e.xclient.data.l[0] = value;
garbeam@13: 	e.xclient.data.l[1] = CurrentTime;
garbeam@13: 	XSendEvent(dpy, w, False, NoEventMask, &e);
garbeam@79: 	XSync(dpy, False);
garbeam@13: }
garbeam@13: 
garbeam@76: void
meillo@756: quit() {
arg@302: 	readin = running = False;
garbeam@75: }
garbeam@75: 
arg@532: /* There's no way to check accesses to destroyed windows, thus those cases are
garbeam@84:  * ignored (especially on UnmapNotify's).  Other types of errors call Xlibs
arg@455:  * default error handler, which may call exit.
garbeam@0:  */
garbeam@10: int
arg@461: xerror(Display *dpy, XErrorEvent *ee) {
garbeam@75: 	if(ee->error_code == BadWindow
arg@123: 	|| (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
arg@123: 	|| (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
arg@123: 	|| (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
arg@123: 	|| (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
arg@123: 	|| (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
arg@458: 	|| (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
arg@458: 	|| (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
garbeam@0: 		return 0;
garbeam@34: 	fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
arg@123: 		ee->request_code, ee->error_code);
arg@455: 	return xerrorxlib(dpy, ee); /* may call exit */
garbeam@27: }
garbeam@27: 
garbeam@0: int
arg@461: main(int argc, char *argv[]) {
arg@581: 	char *p;
arg@333: 	int r, xfd;
garbeam@59: 	fd_set rd;
garbeam@0: 
arg@137: 	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
arg@644: 		fputs("dwm-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
arg@137: 		exit(EXIT_SUCCESS);
meillo@755: 	} else if(argc != 1) {
meillo@755: 		eprint("usage: dwm [-v]\n");
garbeam@0: 	}
arg@619: 	setlocale(LC_CTYPE, "");
garbeam@0: 	dpy = XOpenDisplay(0);
meillo@755: 	if(!dpy) {
arg@197: 		eprint("dwm: cannot open display\n");
meillo@755: 	}
arg@265: 	xfd = ConnectionNumber(dpy);
garbeam@0: 	screen = DefaultScreen(dpy);
garbeam@0: 	root = RootWindow(dpy, screen);
garbeam@75: 	otherwm = False;
garbeam@75: 	XSetErrorHandler(xerrorstart);
arg@197: 	/* this causes an error if some other window manager is running */
garbeam@0: 	XSelectInput(dpy, root, SubstructureRedirectMask);
garbeam@78: 	XSync(dpy, False);
meillo@755: 	if(otherwm) {
garbeam@75: 		eprint("dwm: another window manager is already running\n");
meillo@755: 	}
garbeam@0: 
arg@292: 	XSync(dpy, False);
garbeam@78: 	XSetErrorHandler(NULL);
garbeam@75: 	xerrorxlib = XSetErrorHandler(xerror);
arg@275: 	XSync(dpy, False);
arg@333: 	setup();
garbeam@74: 	drawstatus();
garbeam@75: 	scan();
garbeam@3: 
arg@214: 	/* main event loop, also reads status text from stdin */
arg@242: 	XSync(dpy, False);
arg@292: 	procevent();
arg@302: 	readin = True;
garbeam@5: 	while(running) {
garbeam@59: 		FD_ZERO(&rd);
arg@164: 		if(readin)
arg@164: 			FD_SET(STDIN_FILENO, &rd);
arg@265: 		FD_SET(xfd, &rd);
arg@578: 		if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
arg@578: 			if(errno == EINTR)
arg@578: 				continue;
arg@581: 			eprint("select failed\n");
arg@578: 		}
arg@578: 		if(FD_ISSET(STDIN_FILENO, &rd)) {
arg@581: 			switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
arg@578: 			case -1:
arg@581: 				strncpy(stext, strerror(errno), sizeof stext - 1);
arg@583: 				stext[sizeof stext - 1] = '\0';
arg@578: 				readin = False;
arg@578: 				break;
arg@578: 			case 0:
arg@583: 				strncpy(stext, "EOF", 4);
arg@578: 				readin = False;
arg@578: 				break;
arg@578: 			default:
arg@582: 				for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
arg@744: 				for(; p >= stext && *p != '\n'; --p);
arg@581: 				if(p > stext)
arg@581: 					strncpy(stext, p + 1, sizeof stext);
garbeam@59: 			}
arg@578: 			drawstatus();
garbeam@59: 		}
arg@578: 		if(FD_ISSET(xfd, &rd))
arg@578: 			procevent();
garbeam@5: 	}
garbeam@0: 	cleanup();
garbeam@0: 	XCloseDisplay(dpy);
garbeam@0: 	return 0;
garbeam@0: }