/*

 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

 * See LICENSE file for license details.

 */

#include "dwm.h"

#include <stdlib.h>

#include <string.h>

#include <X11/Xatom.h>

#include <X11/Xutil.h>

/* static functions */

static void

resizetitle(Client *c)

{

	int i;

	for(i = 0; i < TLast; i++)

		if(c->tags[i])

	if(c->tags[tsel])

	else

}

static int

xerrordummy(Display *dsply, XErrorEvent *ee)

{

	return 0;

}

/* extern functions */

void

ban(Client *c)

{

}

void

focus(Client *c)

{

	Client *old = sel;

	XEvent ev;

	sel = c;

	if(old && old != c)

		drawtitle(old);

	drawtitle(c);

	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);

	XSync(dpy, False);

	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));

}

void

focusnext(Arg *arg)

{

	Client *c;

	if(!sel)

		return;

	if(!(c = getnext(sel->next, tsel)))

		c = getnext(clients, tsel);

	if(c) {

		higher(c);

		c->revert = sel;

		focus(c);

	}

}

void

focusprev(Arg *arg)

{

	Client *c;

	if(!sel)

		return;

	if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {

		higher(c);

		focus(c);

	}

}

Client *

getclient(Window w)

{

	Client *c;

	for(c = clients; c; c = c->next)

		if(c->win == w)

			return c;

	return NULL;

}

Client *

getctitle(Window w)

{

	Client *c;

	for(c = clients; c; c = c->next)

		if(c->title == w)

			return c;

	return NULL;

}

void

gravitate(Client *c, Bool invert)

{

	int dx = 0, dy = 0;

	switch(c->grav) {

	case StaticGravity:

	case NorthWestGravity:

	case NorthGravity:

	case NorthEastGravity:

		dy = c->border;

		break;

	case EastGravity:

	case CenterGravity:

	case WestGravity:

		break;

	case SouthEastGravity:

	case SouthGravity:

	case SouthWestGravity:

		break;

	default:

		break;

	}

	switch (c->grav) {

	case StaticGravity:

	case NorthWestGravity:

	case WestGravity:

	case SouthWestGravity:

		dx = c->border;

		break;

	case NorthGravity:

	case CenterGravity:

	case SouthGravity:

		break;

	case NorthEastGravity:

	case EastGravity:

	case SouthEastGravity:

		break;

	default:

		break;

	}

	if(invert) {

		dx = -dx;

		dy = -dy;

	}

}

void

higher(Client *c)

{

	XRaiseWindow(dpy, c->win);

	XRaiseWindow(dpy, c->title);

}

void

killclient(Arg *arg)

{

	if(!sel)

		return;

	if(sel->proto & WM_PROTOCOL_DELWIN)

		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);

	else

		XKillClient(dpy, sel->win);

}

void

lower(Client *c)

{

	XLowerWindow(dpy, c->title);

	XLowerWindow(dpy, c->win);

}

void

manage(Window w, XWindowAttributes *wa)

{

	int diff;

	Client *c;

	XSetWindowAttributes twa;

	Window trans;

	c = emallocz(sizeof(Client));

	c->win = w;

	c->border = 1;

	c->proto = getproto(c->win);

	setsize(c);

	XSelectInput(dpy, c->win,

			StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

	XGetTransientForHint(dpy, c->win, &trans);

	twa.override_redirect = 1;

	twa.background_pixmap = ParentRelative;

	twa.event_mask = ExposureMask;

			0, DefaultDepth(dpy, screen), CopyFromParent,

			DefaultVisual(dpy, screen),

			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	settags(c);

	c->next = clients;

	clients = c;

	XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	if(!c->isfloat)

		c->isfloat = trans || (c->maxw && c->minw &&

				(c->maxw == c->minw) && (c->maxh == c->minh));

	settitle(c);

	arrange(NULL);

	/* mapping the window now prevents flicker */

	if(c->tags[tsel]) {

		XMapRaised(dpy, c->win);

		XMapRaised(dpy, c->title);

		focus(c);

	}

	else {

		XMapRaised(dpy, c->win);

		XMapRaised(dpy, c->title);

	}

}

void

maximize(Arg *arg)

{

	if(!sel)

		return;

	higher(sel);

	resize(sel, False, TopLeft);

}

void

pop(Client *c)

{

	Client **l;

	for(l = &clients; *l && *l != c; l = &(*l)->next);

	*l = c->next;

	c->next = clients; /* pop */

	clients = c;

	arrange(NULL);

}

void

resize(Client *c, Bool inc, Corner sticky)

{

	XConfigureEvent e;

	if(inc) {

		if(c->incw)

		if(c->inch)

	}

	if(sticky == TopRight || sticky == BotRight)

	if(sticky == BotLeft || sticky == BotRight)

	resizetitle(c);

	XSetWindowBorderWidth(dpy, c->win, 1);

	e.type = ConfigureNotify;

	e.event = c->win;

	e.window = c->win;

	e.border_width = c->border;

	e.above = None;

	e.override_redirect = False;

	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);

	XSync(dpy, False);