SDL2/sdl_kbd.cpp

 
#include <winpr/cast.h>
 
#include "sdl_kbd.hpp"
#include "sdl_disp.hpp"
#include "sdl_freerdp.hpp"
#include "sdl_utils.hpp"
#include "sdl_prefs.hpp"
#include "sdl_touch.hpp"
 
#include <map>
 
#include <freerdp/utils/string.h>
#include <freerdp/scancode.h>
 
#include <freerdp/log.h>
#define TAG CLIENT_TAG("SDL.kbd")
 
using scancode_entry_t = struct
{
  Uint32 sdl;
  const char* sdl_name;
  UINT32 rdp;
  const char* rdp_name;
};
 
#define STR(x) #x
#define ENTRY(x, y) { x, STR(x), y, #y }
 
// clang-format off
static const scancode_entry_t map[] = {
  ENTRY(SDL_SCANCODE_UNKNOWN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_A, RDP_SCANCODE_KEY_A),
  ENTRY(SDL_SCANCODE_B, RDP_SCANCODE_KEY_B),
  ENTRY(SDL_SCANCODE_C, RDP_SCANCODE_KEY_C),
  ENTRY(SDL_SCANCODE_D, RDP_SCANCODE_KEY_D),
  ENTRY(SDL_SCANCODE_E, RDP_SCANCODE_KEY_E),
  ENTRY(SDL_SCANCODE_F, RDP_SCANCODE_KEY_F),
  ENTRY(SDL_SCANCODE_G, RDP_SCANCODE_KEY_G),
  ENTRY(SDL_SCANCODE_H, RDP_SCANCODE_KEY_H),
  ENTRY(SDL_SCANCODE_I, RDP_SCANCODE_KEY_I),
  ENTRY(SDL_SCANCODE_J, RDP_SCANCODE_KEY_J),
  ENTRY(SDL_SCANCODE_K, RDP_SCANCODE_KEY_K),
  ENTRY(SDL_SCANCODE_L, RDP_SCANCODE_KEY_L),
  ENTRY(SDL_SCANCODE_M, RDP_SCANCODE_KEY_M),
  ENTRY(SDL_SCANCODE_N, RDP_SCANCODE_KEY_N),
  ENTRY(SDL_SCANCODE_O, RDP_SCANCODE_KEY_O),
  ENTRY(SDL_SCANCODE_P, RDP_SCANCODE_KEY_P),
  ENTRY(SDL_SCANCODE_Q, RDP_SCANCODE_KEY_Q),
  ENTRY(SDL_SCANCODE_R, RDP_SCANCODE_KEY_R),
  ENTRY(SDL_SCANCODE_S, RDP_SCANCODE_KEY_S),
  ENTRY(SDL_SCANCODE_T, RDP_SCANCODE_KEY_T),
  ENTRY(SDL_SCANCODE_U, RDP_SCANCODE_KEY_U),
  ENTRY(SDL_SCANCODE_V, RDP_SCANCODE_KEY_V),
  ENTRY(SDL_SCANCODE_W, RDP_SCANCODE_KEY_W),
  ENTRY(SDL_SCANCODE_X, RDP_SCANCODE_KEY_X),
  ENTRY(SDL_SCANCODE_Y, RDP_SCANCODE_KEY_Y),
  ENTRY(SDL_SCANCODE_Z, RDP_SCANCODE_KEY_Z),
  ENTRY(SDL_SCANCODE_1, RDP_SCANCODE_KEY_1),
  ENTRY(SDL_SCANCODE_2, RDP_SCANCODE_KEY_2),
  ENTRY(SDL_SCANCODE_3, RDP_SCANCODE_KEY_3),
  ENTRY(SDL_SCANCODE_4, RDP_SCANCODE_KEY_4),
  ENTRY(SDL_SCANCODE_5, RDP_SCANCODE_KEY_5),
  ENTRY(SDL_SCANCODE_6, RDP_SCANCODE_KEY_6),
  ENTRY(SDL_SCANCODE_7, RDP_SCANCODE_KEY_7),
  ENTRY(SDL_SCANCODE_8, RDP_SCANCODE_KEY_8),
  ENTRY(SDL_SCANCODE_9, RDP_SCANCODE_KEY_9),
  ENTRY(SDL_SCANCODE_0, RDP_SCANCODE_KEY_0),
  ENTRY(SDL_SCANCODE_RETURN, RDP_SCANCODE_RETURN),
  ENTRY(SDL_SCANCODE_ESCAPE, RDP_SCANCODE_ESCAPE),
  ENTRY(SDL_SCANCODE_BACKSPACE, RDP_SCANCODE_BACKSPACE),
  ENTRY(SDL_SCANCODE_TAB, RDP_SCANCODE_TAB),
  ENTRY(SDL_SCANCODE_SPACE, RDP_SCANCODE_SPACE),
  ENTRY(SDL_SCANCODE_MINUS, RDP_SCANCODE_OEM_MINUS),
  ENTRY(SDL_SCANCODE_CAPSLOCK, RDP_SCANCODE_CAPSLOCK),
  ENTRY(SDL_SCANCODE_F1, RDP_SCANCODE_F1),
  ENTRY(SDL_SCANCODE_F2, RDP_SCANCODE_F2),
  ENTRY(SDL_SCANCODE_F3, RDP_SCANCODE_F3),
  ENTRY(SDL_SCANCODE_F4, RDP_SCANCODE_F4),
  ENTRY(SDL_SCANCODE_F5, RDP_SCANCODE_F5),
  ENTRY(SDL_SCANCODE_F6, RDP_SCANCODE_F6),
  ENTRY(SDL_SCANCODE_F7, RDP_SCANCODE_F7),
  ENTRY(SDL_SCANCODE_F8, RDP_SCANCODE_F8),
  ENTRY(SDL_SCANCODE_F9, RDP_SCANCODE_F9),
  ENTRY(SDL_SCANCODE_F10, RDP_SCANCODE_F10),
  ENTRY(SDL_SCANCODE_F11, RDP_SCANCODE_F11),
  ENTRY(SDL_SCANCODE_F12, RDP_SCANCODE_F12),
  ENTRY(SDL_SCANCODE_F13, RDP_SCANCODE_F13),
  ENTRY(SDL_SCANCODE_F14, RDP_SCANCODE_F14),
  ENTRY(SDL_SCANCODE_F15, RDP_SCANCODE_F15),
  ENTRY(SDL_SCANCODE_F16, RDP_SCANCODE_F16),
  ENTRY(SDL_SCANCODE_F17, RDP_SCANCODE_F17),
  ENTRY(SDL_SCANCODE_F18, RDP_SCANCODE_F18),
  ENTRY(SDL_SCANCODE_F19, RDP_SCANCODE_F19),
  ENTRY(SDL_SCANCODE_F20, RDP_SCANCODE_F20),
  ENTRY(SDL_SCANCODE_F21, RDP_SCANCODE_F21),
  ENTRY(SDL_SCANCODE_F22, RDP_SCANCODE_F22),
  ENTRY(SDL_SCANCODE_F23, RDP_SCANCODE_F23),
  ENTRY(SDL_SCANCODE_F24, RDP_SCANCODE_F24),
  ENTRY(SDL_SCANCODE_NUMLOCKCLEAR, RDP_SCANCODE_NUMLOCK),
  ENTRY(SDL_SCANCODE_KP_DIVIDE, RDP_SCANCODE_DIVIDE),
  ENTRY(SDL_SCANCODE_KP_MULTIPLY, RDP_SCANCODE_MULTIPLY),
  ENTRY(SDL_SCANCODE_KP_MINUS, RDP_SCANCODE_SUBTRACT),
  ENTRY(SDL_SCANCODE_KP_PLUS, RDP_SCANCODE_ADD),
  ENTRY(SDL_SCANCODE_KP_ENTER, RDP_SCANCODE_RETURN_KP),
  ENTRY(SDL_SCANCODE_KP_1, RDP_SCANCODE_NUMPAD1),
  ENTRY(SDL_SCANCODE_KP_2, RDP_SCANCODE_NUMPAD2),
  ENTRY(SDL_SCANCODE_KP_3, RDP_SCANCODE_NUMPAD3),
  ENTRY(SDL_SCANCODE_KP_4, RDP_SCANCODE_NUMPAD4),
  ENTRY(SDL_SCANCODE_KP_5, RDP_SCANCODE_NUMPAD5),
  ENTRY(SDL_SCANCODE_KP_6, RDP_SCANCODE_NUMPAD6),
  ENTRY(SDL_SCANCODE_KP_7, RDP_SCANCODE_NUMPAD7),
  ENTRY(SDL_SCANCODE_KP_8, RDP_SCANCODE_NUMPAD8),
  ENTRY(SDL_SCANCODE_KP_9, RDP_SCANCODE_NUMPAD9),
  ENTRY(SDL_SCANCODE_KP_0, RDP_SCANCODE_NUMPAD0),
  ENTRY(SDL_SCANCODE_KP_PERIOD, RDP_SCANCODE_OEM_PERIOD),
  ENTRY(SDL_SCANCODE_LCTRL, RDP_SCANCODE_LCONTROL),
  ENTRY(SDL_SCANCODE_LSHIFT, RDP_SCANCODE_LSHIFT),
  ENTRY(SDL_SCANCODE_LALT, RDP_SCANCODE_LMENU),
  ENTRY(SDL_SCANCODE_LGUI, RDP_SCANCODE_LWIN),
  ENTRY(SDL_SCANCODE_RCTRL, RDP_SCANCODE_RCONTROL),
  ENTRY(SDL_SCANCODE_RSHIFT, RDP_SCANCODE_RSHIFT),
  ENTRY(SDL_SCANCODE_RALT, RDP_SCANCODE_RMENU),
  ENTRY(SDL_SCANCODE_RGUI, RDP_SCANCODE_RWIN),
  ENTRY(SDL_SCANCODE_MODE, RDP_SCANCODE_APPS),
  ENTRY(SDL_SCANCODE_MUTE, RDP_SCANCODE_VOLUME_MUTE),
  ENTRY(SDL_SCANCODE_VOLUMEUP, RDP_SCANCODE_VOLUME_UP),
  ENTRY(SDL_SCANCODE_VOLUMEDOWN, RDP_SCANCODE_VOLUME_DOWN),
  ENTRY(SDL_SCANCODE_GRAVE, RDP_SCANCODE_OEM_3),
  ENTRY(SDL_SCANCODE_COMMA, RDP_SCANCODE_OEM_COMMA),
  ENTRY(SDL_SCANCODE_PERIOD, RDP_SCANCODE_OEM_PERIOD),
  ENTRY(SDL_SCANCODE_SLASH, RDP_SCANCODE_OEM_2),
  ENTRY(SDL_SCANCODE_BACKSLASH, RDP_SCANCODE_OEM_5),
  ENTRY(SDL_SCANCODE_SCROLLLOCK, RDP_SCANCODE_SCROLLLOCK),
  ENTRY(SDL_SCANCODE_INSERT, RDP_SCANCODE_INSERT),
  ENTRY(SDL_SCANCODE_PRINTSCREEN, RDP_SCANCODE_PRINTSCREEN),
  ENTRY(SDL_SCANCODE_HOME, RDP_SCANCODE_HOME),
  ENTRY(SDL_SCANCODE_DELETE, RDP_SCANCODE_DELETE),
  ENTRY(SDL_SCANCODE_RIGHT, RDP_SCANCODE_RIGHT),
  ENTRY(SDL_SCANCODE_LEFT, RDP_SCANCODE_LEFT),
  ENTRY(SDL_SCANCODE_DOWN, RDP_SCANCODE_DOWN),
  ENTRY(SDL_SCANCODE_UP, RDP_SCANCODE_UP),
  ENTRY(SDL_SCANCODE_SEMICOLON, RDP_SCANCODE_OEM_1),
  ENTRY(SDL_SCANCODE_PAUSE, RDP_SCANCODE_PAUSE),
  ENTRY(SDL_SCANCODE_PAGEUP, RDP_SCANCODE_PRIOR),
  ENTRY(SDL_SCANCODE_END, RDP_SCANCODE_END),
  ENTRY(SDL_SCANCODE_PAGEDOWN, RDP_SCANCODE_NEXT),
  ENTRY(SDL_SCANCODE_AUDIONEXT, RDP_SCANCODE_MEDIA_NEXT_TRACK),
  ENTRY(SDL_SCANCODE_AUDIOPREV, RDP_SCANCODE_MEDIA_PREV_TRACK),
  ENTRY(SDL_SCANCODE_AUDIOSTOP, RDP_SCANCODE_MEDIA_STOP),
  ENTRY(SDL_SCANCODE_AUDIOPLAY, RDP_SCANCODE_MEDIA_PLAY_PAUSE),
  ENTRY(SDL_SCANCODE_AUDIOMUTE, RDP_SCANCODE_VOLUME_MUTE),
  ENTRY(SDL_SCANCODE_MEDIASELECT, RDP_SCANCODE_LAUNCH_MEDIA_SELECT),
  ENTRY(SDL_SCANCODE_MAIL, RDP_SCANCODE_LAUNCH_MAIL),
  ENTRY(SDL_SCANCODE_APP1, RDP_SCANCODE_LAUNCH_APP1),
  ENTRY(SDL_SCANCODE_APP2, RDP_SCANCODE_LAUNCH_APP2),
  ENTRY(SDL_SCANCODE_SYSREQ, RDP_SCANCODE_SYSREQ),
  ENTRY(SDL_SCANCODE_WWW, RDP_SCANCODE_BROWSER_HOME),
  ENTRY(SDL_SCANCODE_LEFTBRACKET, RDP_SCANCODE_OEM_4),
  ENTRY(SDL_SCANCODE_RIGHTBRACKET, RDP_SCANCODE_OEM_6),
  ENTRY(SDL_SCANCODE_APOSTROPHE, RDP_SCANCODE_OEM_7),
  ENTRY(SDL_SCANCODE_NONUSBACKSLASH, RDP_SCANCODE_OEM_102),
  ENTRY(SDL_SCANCODE_SLEEP, RDP_SCANCODE_SLEEP),
  ENTRY(SDL_SCANCODE_EQUALS, RDP_SCANCODE_OEM_PLUS),
  ENTRY(SDL_SCANCODE_KP_COMMA, RDP_SCANCODE_DECIMAL),
  ENTRY(SDL_SCANCODE_FIND, RDP_SCANCODE_BROWSER_SEARCH),
  ENTRY(SDL_SCANCODE_RETURN2, RDP_SCANCODE_RETURN_KP),
  ENTRY(SDL_SCANCODE_AC_SEARCH, RDP_SCANCODE_BROWSER_SEARCH),
  ENTRY(SDL_SCANCODE_AC_HOME, RDP_SCANCODE_BROWSER_HOME),
  ENTRY(SDL_SCANCODE_AC_BACK, RDP_SCANCODE_BROWSER_BACK),
  ENTRY(SDL_SCANCODE_AC_FORWARD, RDP_SCANCODE_BROWSER_FORWARD),
  ENTRY(SDL_SCANCODE_AC_STOP, RDP_SCANCODE_BROWSER_STOP),
 
  // TODO: unmapped
  ENTRY(SDL_SCANCODE_NONUSHASH, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_APPLICATION, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_POWER, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_EQUALS, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_EXECUTE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_HELP, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_MENU, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_SELECT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_STOP, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_AGAIN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_UNDO, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CUT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_COPY, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_PASTE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_EQUALSAS400, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL1, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL2, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL3, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL4, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL5, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL6, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL7, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL8, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_INTERNATIONAL9, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG1, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG2, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG3, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG4, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG5, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG6, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG7, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG8, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_LANG9, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_ALTERASE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CANCEL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CLEAR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_PRIOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_SEPARATOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_OUT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_OPER, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CLEARAGAIN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CRSEL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_EXSEL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_00, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_000, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_THOUSANDSSEPARATOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_DECIMALSEPARATOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CURRENCYUNIT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CURRENCYSUBUNIT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_LEFTPAREN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_RIGHTPAREN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_LEFTBRACE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_RIGHTBRACE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_TAB, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_BACKSPACE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_A, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_B, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_C, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_D, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_E, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_F, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_XOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_POWER, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_PERCENT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_LESS, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_GREATER, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_AMPERSAND, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_DBLAMPERSAND, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_VERTICALBAR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_DBLVERTICALBAR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_COLON, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_HASH, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_SPACE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_AT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_EXCLAM, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMSTORE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMRECALL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMCLEAR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMADD, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMSUBTRACT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMMULTIPLY, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_MEMDIVIDE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_PLUSMINUS, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_CLEAR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_CLEARENTRY, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_BINARY, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_OCTAL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_DECIMAL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KP_HEXADECIMAL, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_CALCULATOR, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_COMPUTER, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_AC_REFRESH, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_AC_BOOKMARKS, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_BRIGHTNESSDOWN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_BRIGHTNESSUP, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_DISPLAYSWITCH, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KBDILLUMTOGGLE, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KBDILLUMDOWN, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_KBDILLUMUP, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_EJECT, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_AUDIOREWIND, RDP_SCANCODE_UNKNOWN),
  ENTRY(SDL_SCANCODE_AUDIOFASTFORWARD, RDP_SCANCODE_UNKNOWN)
};
// clang-format on
 
static UINT16 sdl_get_kbd_flags()
{
  UINT16 flags = 0;
 
  SDL_Keymod mod = SDL_GetModState();
  if ((mod & KMOD_NUM) != 0)
    flags |= KBD_SYNC_NUM_LOCK;
  if ((mod & KMOD_CAPS) != 0)
    flags |= KBD_SYNC_CAPS_LOCK;
#if SDL_VERSION_ATLEAST(2, 0, 18)
  if ((mod & KMOD_SCROLL) != 0)
    flags |= KBD_SYNC_SCROLL_LOCK;
#endif
 
  // TODO: KBD_SYNC_KANA_LOCK
 
  return flags;
}
 
BOOL sdlInput::keyboard_sync_state()
{
  const auto syncFlags = sdl_get_kbd_flags();
  return freerdp_input_send_synchronize_event(_sdl->context()->input, syncFlags);
}
 
BOOL sdlInput::keyboard_focus_in()
{
  auto input = _sdl->context()->input;
  WINPR_ASSERT(input);
 
  auto syncFlags = sdl_get_kbd_flags();
  freerdp_input_send_focus_in_event(input, WINPR_ASSERTING_INT_CAST(UINT16, syncFlags));
 
  /* finish with a mouse pointer position like mstsc.exe if required */
  // TODO: fullscreen/remote app
  int x = 0;
  int y = 0;
  if (_sdl->fullscreen)
  {
    SDL_GetGlobalMouseState(&x, &y);
  }
  else
  {
    SDL_GetMouseState(&x, &y);
  }
  auto w = SDL_GetMouseFocus();
  if (w)
  {
    auto id = SDL_GetWindowID(w);
    sdl_scale_coordinates(_sdl, id, &x, &y, TRUE, TRUE);
  }
  return freerdp_client_send_button_event(_sdl->common(), FALSE, PTR_FLAGS_MOVE, x, y);
}
 
/* This function is called to update the keyboard indicator LED */
BOOL sdlInput::keyboard_set_indicators(rdpContext* context, UINT16 led_flags)
{
  WINPR_UNUSED(context);
 
  int state = KMOD_NONE;
 
  if ((led_flags & KBD_SYNC_NUM_LOCK) != 0)
    state |= KMOD_NUM;
  if ((led_flags & KBD_SYNC_CAPS_LOCK) != 0)
    state |= KMOD_CAPS;
#if SDL_VERSION_ATLEAST(2, 0, 18)
  if ((led_flags & KBD_SYNC_SCROLL_LOCK) != 0)
    state |= KMOD_SCROLL;
#endif
 
  // TODO: KBD_SYNC_KANA_LOCK
 
  SDL_SetModState(static_cast<SDL_Keymod>(state));
 
  return TRUE;
}
 
/* This function is called to set the IME state */
BOOL sdlInput::keyboard_set_ime_status(rdpContext* context, UINT16 imeId, UINT32 imeState,
                                       UINT32 imeConvMode)
{
  if (!context)
    return FALSE;
 
  WLog_WARN(TAG,
            "KeyboardSetImeStatus(unitId=%04" PRIx16 ", imeState=%08" PRIx32
            ", imeConvMode=%08" PRIx32 ") ignored",
            imeId, imeState, imeConvMode);
  return TRUE;
}
 
uint32_t sdlInput::prefToMask()
{
  const std::map<std::string, uint32_t> mapping = {
    { "KMOD_LSHIFT", KMOD_LSHIFT }, { "KMOD_RSHIFT", KMOD_RSHIFT },
    { "KMOD_LCTRL", KMOD_LCTRL },   { "KMOD_RCTRL", KMOD_RCTRL },
    { "KMOD_LALT", KMOD_LALT },     { "KMOD_RALT", KMOD_RALT },
    { "KMOD_LGUI", KMOD_LGUI },     { "KMOD_RGUI", KMOD_RGUI },
    { "KMOD_NUM", KMOD_NUM },       { "KMOD_CAPS", KMOD_CAPS },
    { "KMOD_MODE", KMOD_MODE },
#if SDL_VERSION_ATLEAST(2, 0, 18)
    { "KMOD_SCROLL", KMOD_SCROLL },
#endif
    { "KMOD_CTRL", KMOD_CTRL },     { "KMOD_SHIFT", KMOD_SHIFT },
    { "KMOD_ALT", KMOD_ALT },       { "KMOD_GUI", KMOD_GUI }
  };
  uint32_t mod = KMOD_NONE;
  for (const auto& val : SdlPref::instance()->get_array("SDL_KeyModMask", { "KMOD_RSHIFT" }))
  {
    auto it = mapping.find(val);
    if (it != mapping.end())
    {
      mod |= it->second;
    }
  }
  return mod;
}
 
static Uint32 sdl_scancode_val(const char* scancodeName)
{
  for (const auto& cur : map)
  {
    if (strcmp(cur.sdl_name, scancodeName) == 0)
      return cur.sdl;
  }
 
  return SDL_SCANCODE_UNKNOWN;
}
 
static UINT32 sdl_scancode_to_rdp(Uint32 scancode)
{
  UINT32 rdp = RDP_SCANCODE_UNKNOWN;
 
  for (const auto& cur : map)
  {
    if (cur.sdl == scancode)
    {
      rdp = cur.rdp;
      break;
    }
  }
 
#if defined(WITH_DEBUG_SDL_KBD_EVENTS)
  auto code = static_cast<SDL_Scancode>(scancode);
  WLog_DBG(TAG, "got %s [0x%08" PRIx32 "] -> [%s]", SDL_GetScancodeName(code), scancode,
           freerdp_keyboard_scancode_name(rdp));
#endif
  return rdp;
}
 
uint32_t sdlInput::prefKeyValue(const std::string& key, uint32_t fallback)
{
  auto item = SdlPref::instance()->get_string(key);
  if (item.empty())
    return fallback;
  auto val = sdl_scancode_val(item.c_str());
  if (val == SDL_SCANCODE_UNKNOWN)
    return fallback;
  return val;
}
 
std::list<std::string> sdlInput::tokenize(const std::string& data, const std::string& delimiter)
{
  size_t lastpos = 0;
  size_t pos = 0;
  std::list<std::string> list;
  while ((pos = data.find(delimiter, lastpos)) != std::string::npos)
  {
    auto token = data.substr(lastpos, pos);
    lastpos = pos + 1;
    list.push_back(std::move(token));
  }
  auto token = data.substr(lastpos);
  list.push_back(std::move(token));
  return list;
}
 
bool sdlInput::extract(const std::string& token, uint32_t& key, uint32_t& value)
{
  return freerdp_extract_key_value(token.c_str(), &key, &value);
}
 
BOOL sdlInput::keyboard_handle_event(const SDL_KeyboardEvent* ev)
{
  WINPR_ASSERT(ev);
  const UINT32 rdp_scancode = sdl_scancode_to_rdp(ev->keysym.scancode);
  const SDL_Keymod mods = SDL_GetModState();
 
  if ((mods & _hotkeyModmask) == _hotkeyModmask)
  {
    if (ev->type == SDL_KEYDOWN)
    {
      if (ev->keysym.scancode == _hotkeyFullscreen)
      {
        _sdl->update_fullscreen(!_sdl->fullscreen);
        return TRUE;
      }
      if (ev->keysym.scancode == _hotkeyResizable)
      {
        _sdl->update_resizeable(!_sdl->resizeable);
        return TRUE;
      }
 
      if (ev->keysym.scancode == _hotkeyGrab)
      {
        keyboard_grab(ev->windowID, !_sdl->grab_kbd);
        return TRUE;
      }
      if (ev->keysym.scancode == _hotkeyDisconnect)
      {
        freerdp_abort_connect_context(_sdl->context());
        return TRUE;
      }
      if (ev->keysym.scancode == _hotkeyMinimize)
      {
        _sdl->update_minimize();
        return TRUE;
      }
    }
  }
 
  auto scancode = freerdp_keyboard_remap_key(_remapTable, rdp_scancode);
  return freerdp_input_send_keyboard_event_ex(_sdl->context()->input, ev->type == SDL_KEYDOWN,
                                              ev->repeat, scancode);
}
 
BOOL sdlInput::keyboard_grab(Uint32 windowID, bool enable)
{
  auto it = _sdl->windows.find(windowID);
  if (it == _sdl->windows.end())
    return FALSE;
 
  auto status = enable && _sdl->grab_kbd_enabled;
  _sdl->grab_kbd = status;
  return it->second.grabKeyboard(status);
}
 
BOOL sdlInput::mouse_focus(Uint32 windowID)
{
  if (_lastWindowID != windowID)
  {
    _lastWindowID = windowID;
    auto it = _sdl->windows.find(windowID);
    if (it == _sdl->windows.end())
      return FALSE;
 
    it->second.raise();
  }
  return TRUE;
}
 
BOOL sdlInput::mouse_grab(Uint32 windowID, SDL_bool enable)
{
  auto it = _sdl->windows.find(windowID);
  if (it == _sdl->windows.end())
    return FALSE;
  _sdl->grab_mouse = enable;
  return it->second.grabMouse(enable);
}
 
sdlInput::sdlInput(SdlContext* sdl)
    : _sdl(sdl), _lastWindowID(UINT32_MAX), _hotkeyModmask(prefToMask())
{
  auto list =
      freerdp_settings_get_string(_sdl->context()->settings, FreeRDP_KeyboardRemappingList);
  _remapTable = freerdp_keyboard_remap_string_to_list(list);
  assert(_remapTable);
  _hotkeyFullscreen = prefKeyValue("SDL_Fullscreen", SDL_SCANCODE_RETURN);
  _hotkeyResizable = prefKeyValue("SDL_Resizeable", SDL_SCANCODE_R);
  _hotkeyGrab = prefKeyValue("SDL_Grab", SDL_SCANCODE_G);
  _hotkeyDisconnect = prefKeyValue("SDL_Disconnect", SDL_SCANCODE_D);
  _hotkeyMinimize = prefKeyValue("SDL_Minimize", SDL_SCANCODE_M);
}
 
sdlInput::~sdlInput()
{
  freerdp_keyboard_remap_free(_remapTable);
}