1.1 --- a/client.c	Tue Feb 06 15:29:19 2007 +0100
     1.2 +++ b/client.c	Wed Feb 07 12:37:06 2007 +0100
     1.3 @@ -120,11 +120,26 @@
     1.4  	return NULL;
     1.5  }
     1.6  
     1.7 +Bool
     1.8 +isprotodel(Client *c) {
     1.9 +	int i, n;
    1.10 +	Atom *protocols;
    1.11 +	Bool ret = False;
    1.12 +
    1.13 +	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
    1.14 +		for(i = 0; !ret && i < n; i++)
    1.15 +			if(protocols[i] == wmatom[WMDelete])
    1.16 +				ret = True;
    1.17 +		XFree(protocols);
    1.18 +	}
    1.19 +	return ret;
    1.20 +}
    1.21 +
    1.22  void
    1.23  killclient(Arg *arg) {
    1.24  	if(!sel)
    1.25  		return;
    1.26 -	if(sel->proto & PROTODELWIN)
    1.27 +	if(isprotodel(sel))
    1.28  		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
    1.29  	else
    1.30  		XKillClient(dpy, sel->win);
    1.31 @@ -159,7 +174,6 @@
    1.32  			c->y = way;
    1.33  	}
    1.34  	updatesizehints(c);
    1.35 -	c->proto = getproto(c->win);
    1.36  	XSelectInput(dpy, c->win,
    1.37  		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
    1.38  	XGetTransientForHint(dpy, c->win, &trans);

     2.1 --- a/config.mk	Tue Feb 06 15:29:19 2007 +0100
     2.2 +++ b/config.mk	Wed Feb 07 12:37:06 2007 +0100
     2.3 @@ -17,8 +17,8 @@
     2.4  # flags
     2.5  CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
     2.6  LDFLAGS = ${LIBS}
     2.7 -#CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
     2.8 -#LDFLAGS = -g ${LIBS}
     2.9 +CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
    2.10 +LDFLAGS = -g ${LIBS}
    2.11  
    2.12  # Solaris
    2.13  #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"

     3.1 --- a/dwm.h	Tue Feb 06 15:29:19 2007 +0100
     3.2 +++ b/dwm.h	Wed Feb 07 12:37:06 2007 +0100
     3.3 @@ -36,8 +36,6 @@
     3.4  
     3.5  /* mask shorthands, used in event.c and client.c */
     3.6  #define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
     3.7 -/* other stuff used in different places */
     3.8 -#define PROTODELWIN		1
     3.9  
    3.10  enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
    3.11  enum { WMProtocols, WMDelete, WMState, WMLast };	/* default atoms */
    3.12 @@ -69,14 +67,13 @@
    3.13  typedef struct Client Client;
    3.14  struct Client {
    3.15  	char name[256];
    3.16 -	int proto;
    3.17  	int x, y, w, h;
    3.18  	int rx, ry, rw, rh; /* revert geometry */
    3.19  	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
    3.20  	int minax, minay, maxax, maxay;
    3.21  	long flags; 
    3.22  	unsigned int border;
    3.23 -	Bool isfloat, isfixed, ismax;
    3.24 +	Bool isfixed, isfloat, ismax;
    3.25  	Bool *tags;
    3.26  	Client *next;
    3.27  	Client *prev;
    3.28 @@ -105,6 +102,7 @@
    3.29  extern void configure(Client *c);		/* send synthetic configure event */
    3.30  extern void focus(Client *c);			/* focus c, c may be NULL */
    3.31  extern Client *getclient(Window w);		/* return client of w */
    3.32 +extern Bool isprotodel(Client *c);		/* returns True if c->win supports wmatom[WMDelete] */
    3.33  extern void killclient(Arg *arg);		/* kill c nicely */
    3.34  extern void manage(Window w, XWindowAttributes *wa);	/* manage new client */
    3.35  extern void resize(Client *c, Bool sizehints);	/* resize c*/
    3.36 @@ -123,7 +121,6 @@
    3.37  extern void procevent(void);			/* process pending X events */
    3.38  
    3.39  /* main.c */
    3.40 -extern int getproto(Window w);			/* return protocol mask of WMProtocols property of w */
    3.41  extern void quit(Arg *arg);			/* quit dwm nicely */
    3.42  extern void sendevent(Window w, Atom a, long value);	/* send synthetic event to w */
    3.43  extern int xerror(Display *dsply, XErrorEvent *ee);	/* dwm's X error handler */

     4.1 --- a/event.c	Tue Feb 06 15:29:19 2007 +0100
     4.2 +++ b/event.c	Wed Feb 07 12:37:06 2007 +0100
     4.3 @@ -308,10 +308,6 @@
     4.4  	if(ev->state == PropertyDelete)
     4.5  		return; /* ignore */
     4.6  	if((c = getclient(ev->window))) {
     4.7 -		if(ev->atom == wmatom[WMProtocols]) {
     4.8 -			c->proto = getproto(c->win);
     4.9 -			return;
    4.10 -		}
    4.11  		switch (ev->atom) {
    4.12  			default: break;
    4.13  			case XA_WM_TRANSIENT_FOR:

     5.1 --- a/main.c	Tue Feb 06 15:29:19 2007 +0100
     5.2 +++ b/main.c	Wed Feb 07 12:37:06 2007 +0100
     5.3 @@ -172,24 +172,6 @@
     5.4  
     5.5  /* extern */
     5.6  
     5.7 -int
     5.8 -getproto(Window w) {
     5.9 -	int i, format, protos, status;
    5.10 -	unsigned long extra, res;
    5.11 -	Atom *protocols, real;
    5.12 -
    5.13 -	protos = 0;
    5.14 -	status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
    5.15 -			XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
    5.16 -	if(status != Success || protocols == 0)
    5.17 -		return protos;
    5.18 -	for(i = 0; i < res; i++)
    5.19 -		if(protocols[i] == wmatom[WMDelete])
    5.20 -			protos |= PROTODELWIN;
    5.21 -	free(protocols);
    5.22 -	return protos;
    5.23 -}
    5.24 -
    5.25  void
    5.26  sendevent(Window w, Atom a, long value) {
    5.27  	XEvent e;