rockbox/apps/plugins/frotz/hotkey.c

/* hotkey.c - Hot key functions
 *	Copyright (c) 1995-1997 Stefan Jokisch
 *
 * Changes for Rockbox copyright 2009 Torne Wuff
 *
 * This file is part of Frotz.
 *
 * Frotz 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.
 *
 * Frotz 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include "frotz.h"
#include "lib/pluginlib_exit.h"

extern int restore_undo (void);

extern int read_number (void);

extern bool read_yes_or_no (const char *);

extern void replay_open (void);
extern void replay_close (void);
extern void record_open (void);
extern void record_close (void);

extern void seed_random (int);

/*
 * hot_key_debugging
 *
 * ...allows user to toggle cheating options on/off.
 *
 */

static bool hot_key_debugging (void)
{

    f_setup.attribute_assignment = read_yes_or_no ("Watch attribute assignment");
    f_setup.attribute_testing = read_yes_or_no ("Watch attribute testing");

    f_setup.object_movement = read_yes_or_no ("Watch object movement");
    f_setup.object_locating = read_yes_or_no ("Watch object locating");

    return FALSE;

}/* hot_key_debugging */

/*
 * hot_key_playback
 *
 * ...allows user to turn playback on.
 *
 */

static bool hot_key_playback (void)
{

    rb->splash(HZ, "Playback on");

    if (!istream_replay)
	replay_open ();

    return FALSE;

}/* hot_key_playback */

/*
 * hot_key_recording
 *
 * ...allows user to turn recording on/off.
 *
 */

static bool hot_key_recording (void)
{

    if (istream_replay) {
	rb->splash(HZ, "Playback off");
	replay_close ();
    } else if (ostream_record) {
	rb->splash(HZ, "Recording off");
	record_close ();
    } else {
	rb->splash(HZ, "Recording on");
	record_open ();
    }

    return FALSE;

}/* hot_key_recording */

/*
 * hot_key_seed
 *
 * ...allows user to seed the random number seed.
 *
 */

static bool hot_key_seed (void)
{

    print_string ("Enter seed value (or return to randomize): ");
    seed_random (read_number ());

    return FALSE;

}/* hot_key_seed */

/*
 * hot_key_undo
 *
 * ...allows user to undo the previous turn.
 *
 */

static bool hot_key_undo (void)
{

    if (restore_undo ()) {

	print_string ("undo\n");

	if (h_version >= V5) {		/* for V5+ games we must */
	    store (2);			/* store 2 (for success) */
	    return TRUE;		/* and abort the input   */
	}

	if (h_version <= V3) {		/* for V3- games we must */
	    z_show_status ();		/* draw the status line  */
	    return FALSE;		/* and continue input    */
	}

    } else rb->splash(HZ, "No undo information available.");

    return FALSE;

}/* hot_key_undo */

/*
 * hot_key_restart
 *
 * ...allows user to start a new game.
 *
 */

static bool hot_key_restart (void)
{

    if (read_yes_or_no ("Do you wish to restart")) {

	z_restart ();
	return TRUE;

    } else return FALSE;

}/* hot_key_restart */

/*
 * hot_key_quit
 *
 * ...allows user to exit the game.
 *
 */

bool hot_key_quit (void)
{

    if (read_yes_or_no ("Do you wish to quit")) {

	exit(0);

    } else return FALSE;

}/* hot_key_quit */

/*
 * handle_hot_key
 *
 * Perform the action associated with a so-called hot key. Return
 * true to abort the current input action.
 *
 */

bool handle_hot_key (zchar key)
{

    if (cwin == 0) {

	bool aborting;

	aborting = FALSE;

	switch (key) {
	    case ZC_HKEY_RECORD: aborting = hot_key_recording (); break;
	    case ZC_HKEY_PLAYBACK: aborting = hot_key_playback (); break;
	    case ZC_HKEY_SEED: aborting = hot_key_seed (); break;
	    case ZC_HKEY_UNDO: aborting = hot_key_undo (); break;
	    case ZC_HKEY_RESTART: aborting = hot_key_restart (); break;
	    case ZC_HKEY_QUIT: aborting = hot_key_quit (); break;
	    case ZC_HKEY_DEBUG: aborting = hot_key_debugging (); break;
	}

	if (aborting)
	    return TRUE;

    }

    return FALSE;

}/* handle_hot_key */