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FreeRDP/client/SDL/SDL2/sdl_kbd.cpp
akallabeth 221a442270
[client,sdl] keep hotkey state of keyboard grab 
keep the keyboard grab state from:
1. +/-grab-keyboard command line as default
2. toggle this state by hotkey later on
2024-06-08 09:30:28 +02:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP SDL keyboard helper
*
* Copyright 2022 Armin Novak <armin.novak@thincast.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sdl_kbd.hpp"
#include "sdl_disp.hpp"
#include "sdl_freerdp.hpp"
#include "sdl_utils.hpp"
#include "sdl_prefs.hpp"
#include <map>
#include <freerdp/scancode.h>
#include <freerdp/log.h>
#define TAG CLIENT_TAG("SDL.kbd")
typedef struct
{
Uint32 sdl;
const char* sdl_name;
UINT32 rdp;
const char* rdp_name;
} scancode_entry_t;
#define STR(x) #x
#define ENTRY(x, y) \
{ \
x, STR(x), y, #y \
}
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),
#if 1 // 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)
#endif
};
static UINT32 sdl_get_kbd_flags(void)
{
UINT32 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 UINT32 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, syncFlags);
/* finish with a mouse pointer position like mstsc.exe if required */
#if 0
if (xfc->remote_app)
return;
if (XQueryPointer(xfc->display, xfc->window->handle, &w, &w, &d, &d, &x, &y, &state))
{
if ((x >= 0) && (x < xfc->window->width) && (y >= 0) && (y < xfc->window->height))
{
xf_event_adjust_coordinates(xfc, &x, &y);
freerdp_client_send_button_event(&xfc->common, FALSE, PTR_FLAGS_MOVE, x, y);
}
}
#endif
return TRUE;
}
/* 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 const char* sdl_scancode_name(Uint32 scancode)
{
for (const auto& cur : map)
{
if (cur.sdl == scancode)
return cur.sdl_name;
}
return "SDL_SCANCODE_UNKNOWN";
}
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 const char* sdl_rdp_scancode_name(UINT32 scancode)
{
for (const auto& cur : map)
{
if (cur.rdp == scancode)
return cur.rdp_name;
}
return "RDP_SCANCODE_UNKNOWN";
}
static UINT32 sdl_rdp_scancode_val(const char* scancodeName)
{
for (const auto& cur : map)
{
if (strcmp(cur.rdp_name, scancodeName) == 0)
return cur.rdp;
}
return RDP_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 [%s] -> [%s]", SDL_GetScancodeName(code), sdl_scancode_name(scancode),
sdl_rdp_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(token);
}
auto token = data.substr(lastpos);
list.push_back(token);
return list;
}
bool sdlInput::extract(const std::string& token, uint32_t& key, uint32_t& value)
{
int rc = sscanf(token.c_str(), "%" PRIu32 "=%" PRIu32, &key, &value);
if (rc != 2)
rc = sscanf(token.c_str(), "%" PRIx32 "=%" PRIx32 "", &key, &value);
if (rc != 2)
rc = sscanf(token.c_str(), "%" PRIu32 "=%" PRIx32, &key, &value);
if (rc != 2)
rc = sscanf(token.c_str(), "%" PRIx32 "=%" PRIu32, &key, &value);
return (rc == 2);
}
uint32_t sdlInput::remapScancode(uint32_t scancode)
{
if (!_remapInitialized.exchange(true))
remapInitialize();
auto it = _remapList.find(scancode);
if (it != _remapList.end())
return it->second;
return scancode;
}
void sdlInput::remapInitialize()
{
WINPR_ASSERT(_sdl);
auto context = _sdl->context();
WINPR_ASSERT(context);
auto KeyboardRemappingList =
freerdp_settings_get_string(context->settings, FreeRDP_KeyboardRemappingList);
if (!KeyboardRemappingList)
return;
auto list = tokenize(KeyboardRemappingList);
for (auto& token : list)
{
uint32_t key = 0;
uint32_t value = 0;
if (!extract(token, key, value))
continue;
_remapList.emplace(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)
{
_sdl->grab_kbd_enabled = !_sdl->grab_kbd_enabled;
keyboard_grab(ev->windowID, _sdl->grab_kbd ? SDL_FALSE : SDL_TRUE);
return TRUE;
}
if (ev->keysym.scancode == _hotkeyDisconnect)
{
freerdp_abort_connect_context(_sdl->context());
return TRUE;
}
}
}
auto scancode = remapScancode(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, SDL_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();
_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);
}
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