/*

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

 * See LICENSE file for license details.

 */

#include <fcntl.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <X11/keysym.h>

#include <X11/Xatom.h>

#include "dwm.h"

static void ckill(Arg *arg);

static void nextc(Arg *arg);

static void prevc(Arg *arg);

static void max(Arg *arg);

static void ttrunc(Arg *arg);

static void tappend(Arg *arg);

static void zoom(Arg *arg);

/********** CUSTOMIZE **********/

const char *term[] = { 

	"urxvtc", "-tr", "+sb", "-bg", "black", "-fg", "white", "-fn",

	"-*-terminus-medium-*-*-*-13-*-*-*-*-*-iso10646-*",NULL

};

const char *browse[] = { "firefox", NULL };

const char *xlock[] = { "xlock", NULL };

Key key[] = {

	/* modifier				key			function	arguments */

	{ Mod1Mask,				XK_Return,	zoom,		{ 0 } },

	{ Mod1Mask,				XK_k,		prevc,		{ 0 } },

	{ Mod1Mask,				XK_j,		nextc,		{ 0 } }, 

	{ Mod1Mask,				XK_m,		max,		{ 0 } }, 

	{ Mod1Mask,				XK_0,		view,		{ .i = Tscratch } }, 

	{ Mod1Mask,				XK_1,		view,		{ .i = Tdev } }, 

	{ Mod1Mask,				XK_2,		view,		{ .i = Twww } }, 

	{ Mod1Mask,				XK_3,		view,		{ .i = Twork } }, 

	{ Mod1Mask,				XK_space,	tiling,		{ 0 } }, 

	{ Mod1Mask|ShiftMask,	XK_space,	floating,	{ 0 } }, 

	{ Mod1Mask|ShiftMask,	XK_0,		ttrunc,		{ .i = Tscratch } }, 

	{ Mod1Mask|ShiftMask,	XK_1,		ttrunc,		{ .i = Tdev } }, 

	{ Mod1Mask|ShiftMask,	XK_2,		ttrunc,		{ .i = Twww } }, 

	{ Mod1Mask|ShiftMask,	XK_3,		ttrunc,		{ .i = Twork } }, 

	{ Mod1Mask|ShiftMask,	XK_c,		ckill,		{ 0 } }, 

	{ Mod1Mask|ShiftMask,	XK_q,		quit,		{ 0 } },

	{ Mod1Mask|ShiftMask,	XK_Return,	spawn,		{ .argv = term } },

	{ Mod1Mask|ShiftMask,	XK_w,		spawn,		{ .argv = browse } },

	{ Mod1Mask|ShiftMask,	XK_l,		spawn,		{ .argv = xlock } },

	{ ControlMask,			XK_0,		tappend,	{ .i = Tscratch } }, 

	{ ControlMask,			XK_1,		tappend,	{ .i = Tdev } }, 

	{ ControlMask,			XK_2,		tappend,	{ .i = Twww } }, 

	{ ControlMask,			XK_3,		tappend,	{ .i = Twork } }, 

};

/********** CUSTOMIZE **********/

void

grabkeys()

{

	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;

	unsigned int i;

	KeyCode code;

	for(i = 0; i < len; i++) {

		code = XKeysymToKeycode(dpy, key[i].keysym);

		XUngrabKey(dpy, code, key[i].mod, root);

		XGrabKey(dpy, code, key[i].mod, root, True,

				GrabModeAsync, GrabModeAsync);

	}

}

void

keypress(XEvent *e)

{

	XKeyEvent *ev = &e->xkey;

	static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;

	unsigned int i;

	KeySym keysym;

	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);

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

		if((keysym == key[i].keysym) && (key[i].mod == ev->state)) {

			if(key[i].func)

				key[i].func(&key[i].arg);

			return;

		}

}

static void

zoom(Arg *arg)

{

	Client **l, *c;

	if(!sel)

		return;

	if(sel == next(clients) && sel->next)  {

		if((c = next(sel->next)))

			sel = c;

	}

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

	*l = sel->next;

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

	clients = sel;

	arrange(NULL);

	focus(sel);

}

static void

max(Arg *arg)

{

	if(!sel)

		return;

	sel->x = sx;

	sel->y = sy + bh;

	sel->w = sw - 2 * sel->border;

	sel->h = sh - 2 * sel->border - bh;

	craise(sel);

	resize(sel, False);

}

static void

tappend(Arg *arg)

{

	if(!sel)

		return;

	sel->tags[arg->i] = tags[arg->i];

	arrange(NULL);

}

static void

ttrunc(Arg *arg)

{

	int i;

	if(!sel)

		return;

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

		sel->tags[i] = NULL;

	tappend(arg);

}

static void

prevc(Arg *arg)

{

	Client *c;

	if(!sel)

		return;

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

		craise(c);

		focus(c);

	}

}

static void

nextc(Arg *arg)

{

	Client *c;

	if(!sel)

		return;

	if(!(c = next(sel->next)))

		c = next(clients);

	if(c) {

		craise(c);

		c->revert = sel;

		focus(c);

	}

}

static void

ckill(Arg *arg)

{

	if(!sel)

		return;

	if(sel->proto & WM_PROTOCOL_DELWIN)

		send_message(sel->win, wm_atom[WMProtocols], wm_atom[WMDelete]);

	else

		XKillClient(dpy, sel->win);

}