/*

 * (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 <unistd.h>

#include <X11/keysym.h>

/********** 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 };

static 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_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_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 } }, 

};

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

void

update_keys(void)

{

	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;

		}

}

#define ButtonMask      (ButtonPressMask | ButtonReleaseMask)

#define MouseMask       (ButtonMask | PointerMotionMask)

void

mresize(Client *c)

{

	XEvent ev;

	int ocx, ocy;

	ocx = c->x;

	ocy = c->y;

	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,

				None, cursor[CurResize], CurrentTime) != GrabSuccess)

		return;

	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);

	for(;;) {

		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);

		switch(ev.type) {

		default: break;

		case Expose:

			handler[Expose](&ev);

			break;

		case MotionNotify:

			XFlush(dpy);

			c->w = abs(ocx - ev.xmotion.x);

			c->h = abs(ocy - ev.xmotion.y);

			c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;

			c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;

			resize(c, True);

			break;

		case ButtonRelease:

			XUngrabPointer(dpy, CurrentTime);

			return;

		}

	}

}

void

mmove(Client *c)

{

	XEvent ev;

	int x1, y1, ocx, ocy, di;

	unsigned int dui;

	Window dummy;

	ocx = c->x;

	ocy = c->y;

	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,

				None, cursor[CurMove], CurrentTime) != GrabSuccess)

		return;

	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);

	for(;;) {

		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);

		switch (ev.type) {

		default: break;

		case Expose:

			handler[Expose](&ev);

			break;

		case MotionNotify:

			XFlush(dpy);

			c->x = ocx + (ev.xmotion.x - x1);

			c->y = ocy + (ev.xmotion.y - y1);

			resize(c, False);

			break;

		case ButtonRelease:

			XUngrabPointer(dpy, CurrentTime);

			return;

		}

	}

}