/*

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

 * See LICENSE file for license details.

 */

#include <stdlib.h>

#include <string.h>

#include <X11/Xatom.h>

#include <X11/Xutil.h>

static void

resizetitle(Client *c)

{

	int i;

	c->tw = 0;

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

		if(c->tags[i])

			c->tw += textw(c->tags[i]);

	c->tw += textw(c->name);

	if(c->tw > c->w)

		c->tw = c->w + 2;

	c->tx = c->x + c->w - c->tw + 2;

	c->ty = c->y;

	XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);

}

{

void

{

}

void

focus(Client *c)

{

	Client *old = sel;

	XEvent ev;

	XFlush(dpy);

	sel = c;

	if(old && old != c)

		drawtitle(old);

	drawtitle(c);

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

	XFlush(dpy);

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

}

void

manage(Window w, XWindowAttributes *wa)

{

	Client *c, **l;

	XSetWindowAttributes twa;

	Window trans;

	c = emallocz(sizeof(Client));

	c->win = w;

	c->tx = c->x = wa->x;

	c->ty = c->y = wa->y;

	if(c->y < bh)

		c->ty = c->y += bh;

	c->tw = c->w = wa->width;

	c->h = wa->height;

	c->th = bh;

	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;

	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,

			0, DefaultDepth(dpy, screen), CopyFromParent,

			DefaultVisual(dpy, screen),

			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);

	settitle(c);

	settags(c);

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

	c->next = *l; /* *l == nil */

	*l = c;

	XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,

			GrabModeAsync, GrabModeSync, None, None);

	if(!c->dofloat)

		c->dofloat = trans

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

	arrange(NULL);

	/* mapping the window now prevents flicker */

	if(c->tags[tsel]) {

		XMapRaised(dpy, c->win);

		XMapRaised(dpy, c->title);

		focus(c);

	}

	else {

		ban(c);

		XMapRaised(dpy, c->win);

		XMapRaised(dpy, c->title);

	}

}

void

{

}

void

resize(Client *c, Bool inc)

{

	XConfigureEvent e;

	if(inc) {

		if(c->incw)

			c->w -= (c->w - c->basew) % c->incw;

		if(c->inch)

			c->h -= (c->h - c->baseh) % c->inch;

	}

	if(c->x > sw) /* might happen on restart */

		c->x = sw - c->w;

	if(c->y > sh)

		c->ty = c->y = sh - c->h;

	if(c->minw && c->w < c->minw)

		c->w = c->minw;

	if(c->minh && c->h < c->minh)

		c->h = c->minh;

	if(c->maxw && c->w > c->maxw)

		c->w = c->maxw;

	if(c->maxh && c->h > c->maxh)

		c->h = c->maxh;

	resizetitle(c);

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

	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);

	e.type = ConfigureNotify;

	e.event = c->win;

	e.window = c->win;

	e.x = c->x;

	e.y = c->y;

	e.width = c->w;

	e.height = c->h;

	e.border_width = c->border;

	e.above = None;

	e.override_redirect = False;

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

	XFlush(dpy);

}

{