/**

  * $Id:  $

  *

  * Handles hotkeys for pause/continue, save states, quit, etc

  *

  * Copyright (c) 2009 wahrhaft

  *

  * 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.

  */

 #include <assert.h>

 #include <glib.h>

 #include <sys/stat.h>

 #include <stdint.h>

 #include <stdlib.h>

 #include "lxdream.h"

 #include "dreamcast.h"

 #include "display.h"

 #include "hotkeys.h"

 #include "gui.h"

 #include "config.h"

 static void hotkey_resume_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_stop_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_reset_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_exit_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_state_select_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_state_save_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static void hotkey_state_load_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown );

 static char *set_current_state_filename(int filenum);

 static char *current_save_state;

 struct lxdream_config_entry hotkeys_config[] = {

         {"resume", N_("Resume emulation"), CONFIG_TYPE_KEY},

         {"stop", N_("Stop emulation"), CONFIG_TYPE_KEY},

         {"reset", N_("Reset emulator"), CONFIG_TYPE_KEY},

         {"exit", N_("Exit emulator"), CONFIG_TYPE_KEY},

         {"save", N_("Save current quick save"), CONFIG_TYPE_KEY},

         {"load", N_("Load current quick save"), CONFIG_TYPE_KEY},

         {"state1", N_("Select quick save state 1"), CONFIG_TYPE_KEY},

         {"state2", N_("Select quick save state 2"), CONFIG_TYPE_KEY},

         {"state3", N_("Select quick save state 3"), CONFIG_TYPE_KEY},

         {"state4", N_("Select quick save state 4"), CONFIG_TYPE_KEY},

         {"state5", N_("Select quick save state 5"), CONFIG_TYPE_KEY},

         {"state6", N_("Select quick save state 6"), CONFIG_TYPE_KEY},

         {"state7", N_("Select quick save state 7"), CONFIG_TYPE_KEY},

         {"state8", N_("Select quick save state 8"), CONFIG_TYPE_KEY},

         {"state9", N_("Select quick save state 9"), CONFIG_TYPE_KEY},

         {NULL, CONFIG_TYPE_NONE}

 };

 void hotkeys_init() {

     char *home = getenv("HOME");

     char *save_path = g_strdup_printf("%s/.lxdream", home);

     mkdir(save_path, S_IRWXU);

     g_free(save_path);

     set_current_state_filename(1);

     hotkeys_register_keys();

 }

 void hotkeys_register_keys()

 {

     input_register_key(hotkeys_config[0].value, &hotkey_resume_callback, NULL, 0);

     input_register_key(hotkeys_config[1].value, &hotkey_stop_callback, NULL, 0);

     input_register_key(hotkeys_config[2].value, &hotkey_reset_callback, NULL, 0);

     input_register_key(hotkeys_config[3].value, &hotkey_exit_callback, NULL, 0);

     input_register_key(hotkeys_config[4].value, &hotkey_state_save_callback, NULL, 0);

     input_register_key(hotkeys_config[5].value, &hotkey_state_load_callback, NULL, 0);

     for (int i = 0; i < 9; i++)

     {

         input_register_key(hotkeys_config[6 + i].value, &hotkey_state_select_callback, NULL, i);

     }

 }

 void hotkeys_unregister_keys()

 {

     input_unregister_key(hotkeys_config[0].value, &hotkey_resume_callback, NULL, 0);

     input_unregister_key(hotkeys_config[1].value, &hotkey_stop_callback, NULL, 0);

     input_unregister_key(hotkeys_config[2].value, &hotkey_reset_callback, NULL, 0);

     input_unregister_key(hotkeys_config[3].value, &hotkey_exit_callback, NULL, 0);

     input_unregister_key(hotkeys_config[4].value, &hotkey_state_save_callback, NULL, 0);

     input_unregister_key(hotkeys_config[5].value, &hotkey_state_load_callback, NULL, 0);

     for (int i = 0; i < 9; i++)

     {

         input_unregister_key(hotkeys_config[6 + i].value, &hotkey_state_select_callback, NULL, i);

     }

 }

 lxdream_config_entry_t hotkeys_get_config()

 {

     return hotkeys_config;

 }

 static void hotkey_resume_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown && !dreamcast_is_running() ) {

         gui_do_later(dreamcast_run);

     }

 }

 static void hotkey_stop_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown && dreamcast_is_running() ) {

         gui_do_later(dreamcast_stop);

     }

 }

 static void hotkey_reset_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown) {

         dreamcast_reset();

     }

 }

 static void hotkey_exit_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown) {

         dreamcast_shutdown();

     }

     exit(0);

 }

 static void hotkey_state_select_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown) {

         INFO("state select callback called (%d)", value);

         assert(value > 0 && value <= 9);

         set_current_state_filename(value);

     }

 }

 static void hotkey_state_save_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown) {

         if (current_save_state != NULL)

             dreamcast_save_state(current_save_state);

     }

 }

 static void hotkey_state_load_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )

 {

     if (isKeyDown) {

         if (current_save_state != NULL)

             dreamcast_load_state(current_save_state);

     }

 }

 static char *set_current_state_filename(int filenum)

 {

     char *home = getenv("HOME");

     if (current_save_state != NULL)

         g_free(current_save_state);

     current_save_state = g_strdup_printf("%s/.lxdream/quicksave%d.dst", home, filenum);

 }