flycast/core/linux-dist/x11_keyboard.h

#pragma once
#include "input/keyboard_device.h"
#include "input/gamepad_device.h"
#include "x11.h"

class X11KeyboardDevice : public KeyboardDeviceTemplate<int>
{
public:
	X11KeyboardDevice(int maple_port) : KeyboardDeviceTemplate(maple_port)
	{
		//04-1D Letter keys A-Z (in alphabetic order)
		kb_map[KEY_A] = 0x04;
		kb_map[KEY_B] = 0x05;
		kb_map[KEY_C] = 0x06;
		kb_map[KEY_D] = 0x07;
		kb_map[KEY_E] = 0x08;
		kb_map[KEY_F] = 0x09;
		kb_map[KEY_G] = 0x0A;
		kb_map[KEY_H] = 0x0B;
		kb_map[KEY_I] = 0x0C;
		kb_map[KEY_J] = 0x0D;
		kb_map[KEY_K] = 0x0E;
		kb_map[KEY_L] = 0x0F;
		kb_map[KEY_M] = 0x10;
		kb_map[KEY_N] = 0x11;
		kb_map[KEY_O] = 0x12;
		kb_map[KEY_P] = 0x13;
		kb_map[KEY_Q] = 0x14;
		kb_map[KEY_R] = 0x15;
		kb_map[KEY_S] = 0x16;
		kb_map[KEY_T] = 0x17;
		kb_map[KEY_U] = 0x18;
		kb_map[KEY_V] = 0x19;
		kb_map[KEY_W] = 0x1A;
		kb_map[KEY_X] = 0x1B;
		kb_map[KEY_Y] = 0x1C;
		kb_map[KEY_Z] = 0x1D;

		//1E-27 Number keys 1-0
		kb_map[KEY_1] = 0x1E;
		kb_map[KEY_2] = 0x1F;
		kb_map[KEY_3] = 0x20;
		kb_map[KEY_4] = 0x21;
		kb_map[KEY_5] = 0x22;
		kb_map[KEY_6] = 0x23;
		kb_map[KEY_7] = 0x24;
		kb_map[KEY_8] = 0x25;
		kb_map[KEY_9] = 0x26;
		kb_map[KEY_0] = 0x27;

		kb_map[KEY_RETURN] = 0x28;
		kb_map[KEY_ESC] = 0x29;
		kb_map[KEY_BACKSPACE] = 0x2A;
		kb_map[KEY_TAB] = 0x2B;
		kb_map[KEY_SPACE] = 0x2C;

		kb_map[20] = 0x2D;	// -
		kb_map[21] = 0x2E;	// =
		kb_map[34] = 0x2F;	// [
		kb_map[35] = 0x30;	// ]

		kb_map[94] = 0x31;	// \ (US) unsure of keycode

		//32-34 "]", ";" and ":" (the 3 keys right of L)
		kb_map[51] = 0x32;	// ~ (non-US) *,µ in FR layout
		kb_map[47] = 0x33;	// ;
		kb_map[48] = 0x34;	// '

		//35 hankaku/zenkaku / kanji (top left)
		kb_map[49] = 0x35;	// `~ (US)

		//36-38 ",", "." and "/" (the 3 keys right of M)
		kb_map[59] = 0x36;
		kb_map[60] = 0x37;
		kb_map[61] = 0x38;

		// CAPSLOCK
		kb_map[66] = 0x39;

		//3A-45 Function keys F1-F12
		for (int i = 0;i < 10; i++)
			kb_map[KEY_F1 + i] = 0x3A + i;
		kb_map[KEY_F11] = 0x44;
		kb_map[KEY_F12] = 0x45;

		//46-4E Control keys above cursor keys
		kb_map[107] = 0x46;		// Print Screen
		kb_map[78] = 0x47;		// Scroll Lock
		kb_map[127] = 0x48;		// Pause
		kb_map[KEY_INS] = 0x49;
		kb_map[KEY_HOME] = 0x4A;
		kb_map[KEY_PGUP] = 0x4B;
		kb_map[KEY_DEL] = 0x4C;
		kb_map[KEY_END] = 0x4D;
		kb_map[KEY_PGDOWN] = 0x4E;

		//4F-52 Cursor keys
		kb_map[KEY_RIGHT] = 0x4F;
		kb_map[KEY_LEFT] = 0x50;
		kb_map[KEY_DOWN] = 0x51;
		kb_map[KEY_UP] = 0x52;

		//53 Num Lock (Numeric keypad)
		kb_map[77] = 0x53;
		//54 "/" (Numeric keypad)
		kb_map[106] = 0x54;
		//55 "*" (Numeric keypad)
		kb_map[63] = 0x55;
		//56 "-" (Numeric keypad)
		kb_map[82] = 0x56;
		//57 "+" (Numeric keypad)
		kb_map[86] = 0x57;
		//58 Enter (Numeric keypad)
		kb_map[104] = 0x58;
		//59-62 Number keys 1-0 (Numeric keypad)
		kb_map[87] = 0x59;
		kb_map[88] = 0x5A;
		kb_map[89] = 0x5B;
		kb_map[83] = 0x5C;
		kb_map[84] = 0x5D;
		kb_map[85] = 0x5E;
		kb_map[79] = 0x5F;
		kb_map[80] = 0x60;
		kb_map[81] = 0x61;
		kb_map[90] = 0x62;
		//63 "." (Numeric keypad)
		kb_map[91] = 0x63;
		//64 #| (non-US)
		//kb_map[94] = 0x64;
		//65 S3 key
		//66-A4 Not used
		//A5-DF Reserved
		kb_map[KEY_LCTRL] = 0xE0;  // Left Control
		kb_map[KEY_LSHIFT] = 0xE1; // Left Shift
		//E2 Left Alt
		//E3 Left S1
		kb_map[KEY_RCTRL] = 0xE4;  // Right Control
		kb_map[KEY_RSHIFT] = 0xE5; // Right Shift
		//E6 Right Alt
		//E7 Right S3
		//E8-FF Reserved
	}
	virtual const char* name() override { return "X11 Keyboard"; }

protected:
	virtual u8 convert_keycode(int keycode) override
	{
		return kb_map[keycode];
	}

private:
	std::map<int, u8> kb_map;
};

class KbInputMapping : public InputMapping
{
public:
	KbInputMapping()
	{
		name = "X11 Keyboard";
		set_button(DC_BTN_A, KEY_X);
		set_button(DC_BTN_B, KEY_C);
		set_button(DC_BTN_X, KEY_S);
		set_button(DC_BTN_Y, KEY_D);
		set_button(DC_DPAD_UP, KEY_UP);
		set_button(DC_DPAD_DOWN, KEY_DOWN);
		set_button(DC_DPAD_LEFT, KEY_LEFT);
		set_button(DC_DPAD_RIGHT, KEY_RIGHT);
		set_button(DC_BTN_START, KEY_RETURN);
		set_button(EMU_BTN_TRIGGER_LEFT, KEY_F);
		set_button(EMU_BTN_TRIGGER_RIGHT, KEY_V);
		set_button(EMU_BTN_MENU, KEY_TAB);

		dirty = false;
	}
};

class X11KbGamepadDevice : public GamepadDevice
{
public:
	X11KbGamepadDevice(int maple_port) : GamepadDevice(maple_port, "X11")
	{
		_name = "Keyboard";
		_unique_id = "x11_keyboard";
		if (!find_mapping())
			input_mapper = new KbInputMapping();
	}
};