e16-epplets/epplets/E-Areas.c

/*
 * Copyright (C) 1999 John J. Slee <john@chirp.com.au>
 *
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program; if not, write to the Free Software
 *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "epplet.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
Epplet_gadget b_close;

static void close_cb(void *data);
static void in_cb(void *data, Window w);
static void out_cb(void *data, Window w);

static void epp_dialog_ok_f(char* fmt, ...)
{
    va_list ap;
    char buf[1024];
    va_start(ap,fmt);
    vsnprintf(buf,1023,fmt,ap);
    va_end(ap);
    Epplet_dialog_ok(buf);
}

static void
close_cb(void *data)
{
   Epplet_unremember();
   Esync();
   Epplet_cleanup();
   data = NULL;
   exit(0);
}

static void arrow_cb(void* data)
{
   char buf[128];
   sprintf(buf,"goto_area %s", (char*) data);
   Epplet_send_ipc(buf);
}

static void
in_cb(void *data, Window w)
{
   data = NULL;
   Epplet_gadget_show(b_close);
}

static void
out_cb(void *data, Window w)
{
   data = NULL;
   Epplet_gadget_hide(b_close);
}

Epplet_gadget epp_create_std_button(int x, int y, char* std, 
            void (*func) (void *data), void *data)
{
    assert(func != NULL);
    return Epplet_create_button(NULL,NULL,x,y,0,0,std,0,NULL,func,data);
}

#define AREA_UP     "prev vert"
#define AREA_DOWN   "next vert"
#define AREA_LEFT   "prev horiz"
#define AREA_RIGHT  "next horiz"

int
main(int argc, char **argv)
{
    Epplet_gadget b_up,b_down,b_left,b_right;
    Epplet_Init("E-Areas", "0.1", 
                "A desktop areas navigator; John Slee <john@chirp.com.au>",
	            3, 3, argc, argv, 0, NULL, 0);
    b_close = epp_create_std_button(18,18,"CLOSE",close_cb,NULL);
    
    b_up = epp_create_std_button(18,6,"ARROW_UP",arrow_cb,AREA_UP);
    b_down = epp_create_std_button(18,30,"ARROW_DOWN",arrow_cb,AREA_DOWN);
    b_left = epp_create_std_button(6,18,"ARROW_LEFT",arrow_cb,AREA_LEFT);
    b_right = epp_create_std_button(30,18,"ARROW_RIGHT",arrow_cb,AREA_RIGHT);
    Epplet_gadget_show(b_up);
    Epplet_gadget_show(b_down);
    Epplet_gadget_show(b_left);
    Epplet_gadget_show(b_right);
    
    Epplet_register_focus_in_handler(in_cb, NULL);
    Epplet_register_focus_out_handler(out_cb, NULL);

    Epplet_show();
    Epplet_Loop();
    return 0;
}