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/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>

/* static */

static void
bad_malloc(unsigned int size)
{
	eprint("fatal: could not malloc() %u bytes\n", size);
}

/* extern */

void *
emallocz(unsigned int size)
{
	void *res = calloc(1, size);

	if(!res)
		bad_malloc(size);
	return res;
}

void
eprint(const char *errstr, ...)
{
	va_list ap;

	va_start(ap, errstr);
	vfprintf(stderr, errstr, ap);
	va_end(ap);
	exit(EXIT_FAILURE);
}

void *
erealloc(void *ptr, unsigned int size)
{
	void *res = realloc(ptr, size);
	if(!res)
		bad_malloc(size);
	return res;
}

void
spawn(Arg *arg)
{
	static char *shell = NULL;

	if(!shell && !(shell = getenv("SHELL")))
		shell = "/bin/sh";

	if(!arg->cmd)
		return;
	if(fork() == 0) {
		if(fork() == 0) {
			if(dpy)
				close(ConnectionNumber(dpy));
			setsid();
			execl(shell, shell, "-c", arg->cmd, NULL);
			fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
			perror(" failed");
		}
		exit(0);
	}
	wait(0);
}
n class="w"> { /* symbol arrange function */ { "[]=", tile }, /* first entry is default */ { "><>", NULL }, /* no layout function means floating behavior */ { "[M]", monocle }, }; /* key definitions */ #define MODKEY Mod1Mask #define TAGKEYS(KEY,TAG) \ { MODKEY, KEY, view, {.ui = 1 << TAG} }, \ { MODKEY|ControlMask, KEY, toggleview, {.ui = 1 << TAG} }, \ { MODKEY|ShiftMask, KEY, tag, {.ui = 1 << TAG} }, \ { MODKEY|ControlMask|ShiftMask, KEY, toggletag, {.ui = 1 << TAG} }, /* helper for spawning shell commands in the pre dwm-5.0 fashion */ #define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } } /* commands */ static const char *dmenucmd[] = { "dmenu_run", "-fn", font, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbgcolor, "-sf", selfgcolor, NULL }; static const char *termcmd[] = { "uxterm", NULL }; static Key keys[] = { /* modifier key function argument */ { MODKEY, XK_p, spawn, {.v = dmenucmd } }, { MODKEY|ShiftMask, XK_Return, spawn, {.v = termcmd } }, { MODKEY, XK_b, togglebar, {0} }, { MODKEY, XK_j, focusstack, {.i = +1 } }, { MODKEY, XK_k, focusstack, {.i = -1 } }, { MODKEY, XK_h, setmfact, {.f = -0.05} }, { MODKEY, XK_l, setmfact, {.f = +0.05} }, { MODKEY, XK_Return, zoom, {0} }, { MODKEY, XK_Tab, view, {0} }, { MODKEY|ShiftMask, XK_c, killclient, {0} }, { MODKEY, XK_t, setlayout, {.v = &layouts[0]} }, { MODKEY, XK_f, setlayout, {.v = &layouts[1]} }, { MODKEY, XK_m, setlayout, {.v = &layouts[2]} }, { MODKEY, XK_space, setlayout, {0} }, { MODKEY|ShiftMask, XK_space, togglefloating, {0} }, { MODKEY, XK_0, view, {.ui = ~0 } }, { MODKEY|ShiftMask, XK_0, tag, {.ui = ~0 } }, TAGKEYS( XK_1, 0) TAGKEYS( XK_2, 1) TAGKEYS( XK_3, 2) TAGKEYS( XK_4, 3) TAGKEYS( XK_5, 4) TAGKEYS( XK_6, 5) TAGKEYS( XK_7, 6) TAGKEYS( XK_8, 7) TAGKEYS( XK_9, 8) { MODKEY|ShiftMask, XK_q, quit, {0} }, }; /* button definitions */ /* click can be a tag number (starting at 0), * ClkLtSymbol, ClkStatusText, ClkWinTitle, ClkClientWin, or ClkRootWin */ static Button buttons[] = { /* click event mask button function argument */ { ClkLtSymbol, 0, Button1, setlayout, {0} }, { ClkLtSymbol, 0, Button3, setlayout, {.v = &layouts[2]} }, { ClkWinTitle, 0, Button2, zoom, {0} }, { ClkStatusText, 0, Button2, spawn, {.v = termcmd } }, { ClkClientWin, MODKEY, Button1, movemouse, {0} }, { ClkClientWin, MODKEY, Button2, togglefloating, {0} }, { ClkClientWin, MODKEY, Button3, resizemouse, {0} }, { ClkTagBar, 0, Button1, view, {0} }, { ClkTagBar, 0, Button3, toggleview, {0} }, { ClkTagBar, MODKEY, Button1, tag, {0} }, { ClkTagBar, MODKEY, Button3, toggletag, {0} }, };