--- a/client.c	Sat Sep 15 20:39:31 2007 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,386 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "dwm.h"
-#include <stdlib.h>
-#include <X11/Xutil.h>
-
-/* static */
-
-static void
-attachstack(Client *c) {
-	c->snext = stack;
-	stack = c;
-}
-
-static void
-detachstack(Client *c) {
-	Client **tc;
-
-	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
-	*tc = c->snext;
-}
-
-static void
-grabbuttons(Client *c, Bool focused) {
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-
-	if(focused) {
-		XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-
-		XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-
-		XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-		XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-	}
-	else
-		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
-				GrabModeAsync, GrabModeSync, None, None);
-}
-
-static Bool
-isprotodel(Client *c) {
-	int i, n;
-	Atom *protocols;
-	Bool ret = False;
-
-	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
-		for(i = 0; !ret && i < n; i++)
-			if(protocols[i] == wmatom[WMDelete])
-				ret = True;
-		XFree(protocols);
-	}
-	return ret;
-}
-
-static void
-setclientstate(Client *c, long state) {
-	long data[] = {state, None};
-
-	XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
-			PropModeReplace, (unsigned char *)data, 2);
-}
-
-static int
-xerrordummy(Display *dsply, XErrorEvent *ee) {
-	return 0;
-}
-
-/* extern */
-
-void
-attach(Client *c) {
-	if(clients)
-		clients->prev = c;
-	c->next = clients;
-	clients = c;
-}
-
-void
-ban(Client *c) {
-	if(c->isbanned)
-		return;
-	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-	c->isbanned = True;
-}
-
-void
-configure(Client *c) {
-	XConfigureEvent ce;
-
-	ce.type = ConfigureNotify;
-	ce.display = dpy;
-	ce.event = c->win;
-	ce.window = c->win;
-	ce.x = c->x;
-	ce.y = c->y;
-	ce.width = c->w;
-	ce.height = c->h;
-	ce.border_width = c->border;
-	ce.above = None;
-	ce.override_redirect = False;
-	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
-}
-
-void
-detach(Client *c) {
-	if(c->prev)
-		c->prev->next = c->next;
-	if(c->next)
-		c->next->prev = c->prev;
-	if(c == clients)
-		clients = c->next;
-	c->next = c->prev = NULL;
-}
-
-void
-focus(Client *c) {
-	if((!c && selscreen) || (c && !isvisible(c)))
-		for(c = stack; c && !isvisible(c); c = c->snext);
-	if(sel && sel != c) {
-		grabbuttons(sel, False);
-		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
-	}
-	if(c) {
-		detachstack(c);
-		attachstack(c);
-		grabbuttons(c, True);
-	}
-	sel = c;
-	drawbar();
-	if(!selscreen)
-		return;
-	if(c) {
-		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
-		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-	}
-	else
-		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
-}
-
-void
-killclient(const char *arg) {
-	XEvent ev;
-
-	if(!sel)
-		return;
-	if(isprotodel(sel)) {
-		ev.type = ClientMessage;
-		ev.xclient.window = sel->win;
-		ev.xclient.message_type = wmatom[WMProtocols];
-		ev.xclient.format = 32;
-		ev.xclient.data.l[0] = wmatom[WMDelete];
-		ev.xclient.data.l[1] = CurrentTime;
-		XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
-	}
-	else
-		XKillClient(dpy, sel->win);
-}
-
-void
-manage(Window w, XWindowAttributes *wa) {
-	unsigned int i;
-	Client *c, *t = NULL;
-	Window trans;
-	Status rettrans;
-	XWindowChanges wc;
-
-	c = emallocz(sizeof(Client));
-	c->tags = emallocz(ntags * sizeof(Bool));
-	c->win = w;
-	c->x = wa->x;
-	c->y = wa->y;
-	c->w = wa->width;
-	c->h = wa->height;
-	c->oldborder = wa->border_width;
-	if(c->w == sw && c->h == sh) {
-		c->x = sx;
-		c->y = sy;
-		c->border = wa->border_width;
-	}
-	else {
-		if(c->x + c->w + 2 * c->border > wax + waw)
-			c->x = wax + waw - c->w - 2 * c->border;
-		if(c->y + c->h + 2 * c->border > way + wah)
-			c->y = way + wah - c->h - 2 * c->border;
-		if(c->x < wax)
-			c->x = wax;
-		if(c->y < way)
-			c->y = way;
-		c->border = BORDERPX;
-	}
-	wc.border_width = c->border;
-	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
-	XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
-	configure(c); /* propagates border_width, if size doesn't change */
-	updatesizehints(c);
-	XSelectInput(dpy, w,
-		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
-	grabbuttons(c, False);
-	updatetitle(c);
-	if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
-		for(t = clients; t && t->win != trans; t = t->next);
-	if(t)
-		for(i = 0; i < ntags; i++)
-			c->tags[i] = t->tags[i];
-	applyrules(c);
-	if(!c->isfloating)
-		c->isfloating = (rettrans == Success) || c->isfixed;
-	attach(c);
-	attachstack(c);
-	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
-	ban(c);
-	XMapWindow(dpy, c->win);
-	setclientstate(c, NormalState);
-	arrange();
-}
-
-void
-resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
-	double dx, dy, max, min, ratio;
-	XWindowChanges wc; 
-
-	if(sizehints) {
-		if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) {
-			dx = (double)(w - c->basew);
-			dy = (double)(h - c->baseh);
-			min = (double)(c->minax) / (double)(c->minay);
-			max = (double)(c->maxax) / (double)(c->maxay);
-			ratio = dx / dy;
-			if(max > 0 && min > 0 && ratio > 0) {
-				if(ratio < min) {
-					dy = (dx * min + dy) / (min * min + 1);
-					dx = dy * min;
-					w = (int)dx + c->basew;
-					h = (int)dy + c->baseh;
-				}
-				else if(ratio > max) {
-					dy = (dx * min + dy) / (max * max + 1);
-					dx = dy * min;
-					w = (int)dx + c->basew;
-					h = (int)dy + c->baseh;
-				}
-			}
-		}
-		if(c->minw && w < c->minw)
-			w = c->minw;
-		if(c->minh && h < c->minh)
-			h = c->minh;
-		if(c->maxw && w > c->maxw)
-			w = c->maxw;
-		if(c->maxh && h > c->maxh)
-			h = c->maxh;
-		if(c->incw)
-			w -= (w - c->basew) % c->incw;
-		if(c->inch)
-			h -= (h - c->baseh) % c->inch;
-	}
-	if(w <= 0 || h <= 0)
-		return;
-	/* offscreen appearance fixes */
-	if(x > sw)
-		x = sw - w - 2 * c->border;
-	if(y > sh)
-		y = sh - h - 2 * c->border;
-	if(x + w + 2 * c->border < sx)
-		x = sx;
-	if(y + h + 2 * c->border < sy)
-		y = sy;
-	if(c->x != x || c->y != y || c->w != w || c->h != h) {
-		c->x = wc.x = x;
-		c->y = wc.y = y;
-		c->w = wc.width = w;
-		c->h = wc.height = h;
-		wc.border_width = c->border;
-		XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
-		configure(c);
-		XSync(dpy, False);
-	}
-}
-
-void
-unban(Client *c) {
-	if(!c->isbanned)
-		return;
-	XMoveWindow(dpy, c->win, c->x, c->y);
-	c->isbanned = False;
-}
-
-void
-unmanage(Client *c) {
-	XWindowChanges wc;
-
-	wc.border_width = c->oldborder;
-	/* The server grab construct avoids race conditions. */
-	XGrabServer(dpy);
-	XSetErrorHandler(xerrordummy);
-	XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
-	detach(c);
-	detachstack(c);
-	if(sel == c)
-		focus(NULL);
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	setclientstate(c, WithdrawnState);
-	free(c->tags);
-	free(c);
-	XSync(dpy, False);
-	XSetErrorHandler(xerror);
-	XUngrabServer(dpy);
-	arrange();
-}
-
-void
-updatesizehints(Client *c) {
-	long msize;
-	XSizeHints size;
-
-	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
-		size.flags = PSize;
-	c->flags = size.flags;
-	if(c->flags & PBaseSize) {
-		c->basew = size.base_width;
-		c->baseh = size.base_height;
-	}
-	else if(c->flags & PMinSize) {
-		c->basew = size.min_width;
-		c->baseh = size.min_height;
-	}
-	else
-		c->basew = c->baseh = 0;
-	if(c->flags & PResizeInc) {
-		c->incw = size.width_inc;
-		c->inch = size.height_inc;
-	}
-	else
-		c->incw = c->inch = 0;
-	if(c->flags & PMaxSize) {
-		c->maxw = size.max_width;
-		c->maxh = size.max_height;
-	}
-	else
-		c->maxw = c->maxh = 0;
-	if(c->flags & PMinSize) {
-		c->minw = size.min_width;
-		c->minh = size.min_height;
-	}
-	else if(c->flags & PBaseSize) {
-		c->minw = size.base_width;
-		c->minh = size.base_height;
-	}
-	else
-		c->minw = c->minh = 0;
-	if(c->flags & PAspect) {
-		c->minax = size.min_aspect.x;
-		c->maxax = size.max_aspect.x;
-		c->minay = size.min_aspect.y;
-		c->maxay = size.max_aspect.y;
-	}
-	else
-		c->minax = c->maxax = c->minay = c->maxay = 0;
-	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
-			&& c->maxw == c->minw && c->maxh == c->minh);
-}
-
-void
-updatetitle(Client *c) {
-	if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
-		gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name);
-}