text: /********************
   * about_screen.cpp *
   ********************/
  
  /****************************************************************************
   *   Written By Mark Pelletier  2017 - Aleph Objects, Inc.                  *
   *   Written By Marcio Teixeira 2018 - Aleph Objects, Inc.                  *
   *                                                                          *
   *   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 3 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.                           *
   *                                                                          *
   *   To view a copy of the GNU General Public License, go to the following  *
   *   location: <https://www.gnu.org/licenses/>.                             *
   ****************************************************************************/
  
  #include "../config.h"
  #include "../screens.h"
  
  #ifdef FTDI_ABOUT_SCREEN
  
  #define GRID_COLS 4
  #define GRID_ROWS 8
  
  using namespace FTDI;
  using namespace Theme;
  using namespace ExtUI;
  
  void AboutScreen::onEntry() {
    BaseScreen::onEntry();
    sound.play(chimes, PLAY_ASYNCHRONOUS);
  }
  
  void AboutScreen::onRedraw(draw_mode_t) {
    CommandProcessor cmd;
    cmd.cmd(CLEAR_COLOR_RGB(bg_color))
       .cmd(CLEAR(true,true,true))
       .cmd(COLOR_RGB(bg_text_enabled))
       .tag(0);
  
    #define HEADING_POS BTN_POS(1,1), BTN_SIZE(4,2)
    #define FW_VERS_POS BTN_POS(1,3), BTN_SIZE(4,1)
    #define FW_INFO_POS BTN_POS(1,4), BTN_SIZE(4,1)
    #define LICENSE_POS BTN_POS(1,5), BTN_SIZE(4,3)
    #define STATS_POS   BTN_POS(1,8), BTN_SIZE(2,1)
    #define BACK_POS    BTN_POS(3,8), BTN_SIZE(2,1)
  
    char about_str[1
      + strlen_P(GET_TEXT(MSG_ABOUT_TOUCH_PANEL_2))
      #ifdef TOOLHEAD_NAME
        + strlen_P(TOOLHEAD_NAME)
      #endif
    ];
    #ifdef TOOLHEAD_NAME
      // If MSG_ABOUT_TOUCH_PANEL_2 has %s, substitute in the toolhead name.
      // But this is optional, so squelch the compiler warning here.
      #pragma GCC diagnostic push
      #pragma GCC diagnostic ignored "-Wformat-extra-args"
      sprintf_P(about_str, GET_TEXT(MSG_ABOUT_TOUCH_PANEL_2), TOOLHEAD_NAME);
      #pragma GCC diagnostic pop
    #else
      strcpy_P(about_str, GET_TEXT(MSG_ABOUT_TOUCH_PANEL_2));
    #endif
  
    draw_text_box(cmd, HEADING_POS,
      #ifdef CUSTOM_MACHINE_NAME
        F(CUSTOM_MACHINE_NAME)
      #else
        GET_TEXT_F(MSG_ABOUT_TOUCH_PANEL_1)
      #endif
      , OPT_CENTER, font_xlarge
    );
    #if BOTH(TOUCH_UI_DEVELOPER_MENU, FTDI_DEVELOPER_MENU)
      cmd.tag(3);
    #endif
    draw_text_box(cmd, FW_VERS_POS,
    #ifdef TOUCH_UI_VERSION
      F(TOUCH_UI_VERSION)
    #else
      progmem_str(getFirmwareName_str())
    #endif
    , OPT_CENTER, font_medium);
    cmd.tag(0);
    draw_text_box(cmd, FW_INFO_POS, about_str, OPT_CENTER, font_medium);
    draw_text_box(cmd, LICENSE_POS, GET_TEXT_F(MSG_LICENSE), OPT_CENTER, font_tiny);
  
    cmd.font(font_medium);
    #if BOTH(PRINTCOUNTER, FTDI_STATISTICS_SCREEN)
      cmd.colors(normal_btn)
         .tag(2).button(STATS_POS, GET_TEXT_F(MSG_INFO_STATS_MENU));
    #endif
    cmd.colors(action_btn)
       .tag(1).button(BACK_POS,  GET_TEXT_F(MSG_BUTTON_DONE));
  }
  
  bool AboutScreen::onTouchEnd(uint8_t tag) {
    switch (tag) {
      case 1: GOTO_PREVIOUS(); break;
      #if BOTH(PRINTCOUNTER, FTDI_STATISTICS_SCREEN)
        case 2: GOTO_SCREEN(StatisticsScreen); break;
      #endif
      #if BOTH(TOUCH_UI_DEVELOPER_MENU, FTDI_DEVELOPER_MENU)
        case 3: GOTO_SCREEN(DeveloperMenu); break;
      #endif
      default: return false;
    }
    return true;
  }
  
  #endif // FTDI_ABOUT_SCREEN
  