RetroArch/menu/widgets/menu_input_dialog.c

/*  RetroArch - A frontend for libretro.
 *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
 *  Copyright (C) 2011-2016 - Daniel De Matteis
 *
 *  RetroArch 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 Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  RetroArch 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 RetroArch.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#include <compat/strl.h>

#include "menu_input_dialog.h"

#include "../menu_driver.h"
#include "../menu_navigation.h"
#include "../../input/input_driver.h"

static const char **menu_input_dialog_keyboard_buffer      = {NULL};
static bool menu_input_dialog_keyboard_display             = false;
static unsigned menu_input_dialog_keyboard_type            = 0;
static unsigned menu_input_dialog_keyboard_idx             = 0;
static char menu_input_dialog_keyboard_label_setting[256]  = {0};
static char menu_input_dialog_keyboard_label[256]          = {0};

static void menu_input_search_cb(void *userdata, const char *str)
{
   size_t idx = 0;
   file_list_t *selection_buf = menu_entries_get_selection_buf_ptr(0);

   if (!selection_buf)
      return;

   if (str && *str && file_list_search(selection_buf, str, &idx))
   {
      bool scroll = true;
      menu_navigation_ctl(MENU_NAVIGATION_CTL_SET_SELECTION, &idx);
      menu_navigation_ctl(MENU_NAVIGATION_CTL_SET, &scroll);
   }

   menu_input_dialog_end();
}

const char *menu_input_dialog_get_label_buffer(void)
{
   return menu_input_dialog_keyboard_label;
}

const char *menu_input_dialog_get_label_setting_buffer(void)
{
   return menu_input_dialog_keyboard_label_setting;
}

void menu_input_dialog_end(void)
{
   menu_input_dialog_keyboard_type             = 0;
   menu_input_dialog_keyboard_idx              = 0;
   menu_input_dialog_keyboard_display          = false; 
   menu_input_dialog_keyboard_label[0]         = '\0';
   menu_input_dialog_keyboard_label_setting[0] = '\0';

   /* Avoid triggering states on pressing return. */
   input_driver_set_flushing_input();
}

const char *menu_input_dialog_get_buffer(void)
{
   if (!(*menu_input_dialog_keyboard_buffer))
      return "";
   return *menu_input_dialog_keyboard_buffer;
}

unsigned menu_input_dialog_get_kb_type(void)
{
   return menu_input_dialog_keyboard_type;
}

unsigned menu_input_dialog_get_kb_idx(void)
{
   return menu_input_dialog_keyboard_idx;
}

bool menu_input_dialog_get_display_kb(void)
{
   return menu_input_dialog_keyboard_display; 
}

void menu_input_dialog_display_kb(void)
{
   menu_input_dialog_keyboard_display = true; 
}

void menu_input_dialog_hide_kb(void)
{
   menu_input_dialog_keyboard_display = false; 
}

bool menu_input_dialog_start_search(void)
{
   menu_handle_t      *menu = NULL;

   if (!menu_driver_ctl(
            RARCH_MENU_CTL_DRIVER_DATA_GET, &menu))
      return false;

   menu_input_dialog_display_kb();
   strlcpy(menu_input_dialog_keyboard_label, msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SEARCH),
         sizeof(menu_input_dialog_keyboard_label));
   menu_input_dialog_keyboard_buffer   =
      input_keyboard_start_line(menu, menu_input_search_cb);

   return true;
}

bool menu_input_dialog_start(menu_input_ctx_line_t *line)
{
   menu_handle_t    *menu      = NULL;
   if (!line)
      return false;
   if (!menu_driver_ctl(RARCH_MENU_CTL_DRIVER_DATA_GET, &menu))
      return false;

   menu_input_dialog_display_kb();
   strlcpy(menu_input_dialog_keyboard_label, line->label, 
         sizeof(menu_input_dialog_keyboard_label));
   strlcpy(menu_input_dialog_keyboard_label_setting,
         line->label_setting, sizeof(menu_input_dialog_keyboard_label_setting));

   menu_input_dialog_keyboard_type   = line->type;
   menu_input_dialog_keyboard_idx    = line->idx;
   menu_input_dialog_keyboard_buffer =
      input_keyboard_start_line(menu, line->cb);

   return true;
}