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Add internal_filesystem/lib/mpos/indev/mpos_sdl_keyboard.py
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‎internal_filesystem/lib/mpos/indev/mpos_sdl_keyboard.py‎

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import lvgl as lv
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from micropython import const # NOQA
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import micropython # NOQA # NOQA
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import keypad_framework
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KEY_UNKNOWN = 0
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KEY_BACKSPACE = 8 # LV_KEY_BACKSPACE
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KEY_TAB = 9 # LV_KEY_NEXT
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KEY_CLEAR = 12
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KEY_RETURN = 13 # LV_KEY_ENTER
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KEY_PAUSE = 19 #
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KEY_ESCAPE = 27 # LV_KEY_ESC
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KEY_SPACE = 32 # " "
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KEY_EXCLAIM = 33 # !
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KEY_QUOTEDBL = 34 # "
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KEY_HASH = 35 # #
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KEY_DOLLAR = 36 # $
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KEY_AMPERSAND = 38 # &
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KEY_QUOTE = 39 # '
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KEY_LEFTPAREN = 40 # (
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KEY_RIGHTPAREN = 41 # )
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KEY_ASTERISK = 42 # *
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KEY_PLUS = 43 # +
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KEY_COMMA = 44 # ,
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KEY_MINUS = 45 # -
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KEY_PERIOD = 46 # .
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KEY_SLASH = 47 # /
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KEY_0 = 48 # 0
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KEY_1 = 49 # 1
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KEY_2 = 50 # 2
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KEY_3 = 51 # 3
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KEY_4 = 52 # 4
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KEY_5 = 53 # 5
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KEY_6 = 54 # 6
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KEY_7 = 55 # 7
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KEY_8 = 56 # 8
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KEY_9 = 57 # 9
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KEY_COLON = 58 # :
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KEY_SEMICOLON = 59 # ;
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KEY_LESS = 60 # <
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KEY_EQUALS = 61 # =
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KEY_GREATER = 62 # >
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KEY_QUESTION = 63 # ?
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KEY_AT = 64 # @
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KEY_LEFTBRACKET = 91 # [
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KEY_BACKSLASH = 92 # \
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KEY_RIGHTBRACKET = 93 # ]
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KEY_CARET = 94 # ^
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KEY_UNDERSCORE = 95 # _
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KEY_BACKQUOTE = 96 # `
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KEY_a = 97 # a
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KEY_z = 122 # z
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KEY_DELETE = 127 # LV_KEY_DEL
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# Numeric keypad
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# if MOD_KEY_NUM then it's numbers.
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KEYPAD_0 = 256 # 0/INS
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KEYPAD_1 = 257 # 1/END LV_KEY_END
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KEYPAD_2 = 258 # 2/DOWN LV_KEY_DOWN
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KEYPAD_3 = 259 # 3/PAGEDOWN
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KEYPAD_4 = 260 # 4/LEFT LV_KEY_LEFT
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KEYPAD_5 = 261 # 5
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KEYPAD_6 = 262 # 6/RIGHT LV_KEY_RIGHT
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KEYPAD_7 = 263 # 7/HOME LV_KEY_HOME
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KEYPAD_8 = 264 # 8/UP LV_KEY_UP
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KEYPAD_9 = 265 # 9/PAGEUP
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KEYPAD_PERIOD = 266 # ./DEL LV_KEY_DEL
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KEYPAD_DIVIDE = 267 # /
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KEYPAD_MULTIPLY = 268 # *
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KEYPAD_MINUS = 269 # -
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KEYPAD_PLUS = 270 # +
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KEYPAD_ENTER = 271 # LV_KEY_ENTER
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KEYPAD_EQUALS = 272 # =
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# Arrows + Home/End pad
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KEY_UP = 273 # LV_KEY_UP
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KEY_DOWN = 274 # LV_KEY_DOWN
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KEY_RIGHT = 275 # LV_KEY_RIGHT
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KEY_LEFT = 276 # LV_KEY_LEFT
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KEY_INSERT = 277
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KEY_HOME = 278 # LV_KEY_HOME
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KEY_END = 279 # LV_KEY_END
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KEY_PAGEUP = 280
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KEY_PAGEDOWN = 281
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KEY_F1 = 282
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KEY_F2 = 283
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KEY_F3 = 284
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KEY_F4 = 285
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KEY_F5 = 286
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KEY_F6 = 287
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KEY_F7 = 288
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KEY_F8 = 289
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KEY_F9 = 290
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KEY_F10 = 291
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KEY_F11 = 292
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KEY_F12 = 293
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KEY_F13 = 294
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KEY_F14 = 295
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KEY_F15 = 296
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KEY_NUMLOCK = 300
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KEY_CAPSLOCK = 301
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KEY_SCROLLOCK = 302
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KEY_RSHIFT = 303
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KEY_LSHIFT = 304
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KEY_RCTRL = 305
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KEY_LCTRL = 306
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KEY_RALT = 307
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KEY_LALT = 308
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KEY_RMETA = 309
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KEY_LMETA = 310
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# Left "Windows" key
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KEY_LSUPER = 311
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# Right "Windows" key
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KEY_RSUPER = 312
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# Alt Gr" key
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KEY_MODE = 313
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# Multi-key compose key
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KEY_COMPOSE = 314
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KEY_HELP = 315
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KEY_PRINT = 316
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KEY_SYSREQ = 317
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KEY_BREAK = 318
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KEY_MENU = 319
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# Power Macintosh power key
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KEY_POWER = 320
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# Some european keyboards
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KEY_EURO = 321
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# Atari keyboard has Undo
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KEY_UNDO = 322
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MOD_KEY_NONE = 0x0000
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MOD_KEY_LSHIFT = 0x0001
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MOD_KEY_RSHIFT = 0x0002
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MOD_KEY_LCTRL = 0x0040
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MOD_KEY_RCTRL = 0x0080
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MOD_KEY_LALT = 0x0100
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MOD_KEY_RALT = 0x0200
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MOD_KEY_LMETA = 0x0400
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MOD_KEY_RMETA = 0x0800
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MOD_KEY_NUM = 0x1000
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MOD_KEY_CAPS = 0x2000
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MOD_KEY_MODE = 0x4000
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MOD_KEY_CTRL = MOD_KEY_LCTRL | MOD_KEY_RCTRL
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MOD_KEY_SHIFT = MOD_KEY_LSHIFT | MOD_KEY_RSHIFT
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MOD_KEY_ALT = MOD_KEY_LALT | MOD_KEY_RALT
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MOD_KEY_META = MOD_KEY_LMETA | MOD_KEY_RMETA
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# SDL keycode ranges
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SDL_NAV_KEY_START = 1073741897 # Insert
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SDL_NAV_KEY_END = 1073741906 # Down Arrow
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SDL_FUNC_KEY_START = 1073741882 # F1
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SDL_FUNC_KEY_END = 1073741893 # F12
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SDL_KEYPAD_KEY_START = 1073741908 # Keypad /
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SDL_KEYPAD_KEY_END = 1073741923 # Keypad .
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# Shift key mappings for QWERTY layout
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SHIFT_KEY_MAP = {
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KEY_1: KEY_EXCLAIM, # 1 -> !
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KEY_2: KEY_AT, # 2 -> @
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KEY_3: KEY_HASH, # 3 -> #
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KEY_4: KEY_DOLLAR, # 4 -> $
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KEY_5: 37, # 5 -> % (ASCII 37)
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KEY_6: KEY_CARET, # 6 -> ^
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KEY_7: KEY_AMPERSAND, # 7 -> &
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KEY_8: KEY_ASTERISK, # 8 -> *
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KEY_9: KEY_LEFTPAREN, # 9 -> (
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KEY_0: KEY_RIGHTPAREN, # 0 -> )
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KEY_MINUS: KEY_UNDERSCORE, # - -> _
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KEY_EQUALS: KEY_PLUS, # = -> +
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KEY_LEFTBRACKET: 123, # [ -> { (ASCII 123)
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KEY_RIGHTBRACKET: 125, # ] -> } (ASCII 125)
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KEY_BACKSLASH: 124, # \ -> | (ASCII 124)
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KEY_SEMICOLON: KEY_COLON, # ; -> :
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KEY_QUOTE: KEY_QUOTEDBL, # ' -> "
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KEY_COMMA: KEY_LESS, # , -> <
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KEY_PERIOD: KEY_GREATER, # . -> >
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KEY_SLASH: KEY_QUESTION, # / -> ?
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KEY_BACKQUOTE: 126, # ` -> ~ (ASCII 126)
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}
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class MposSDLKeyboard(keypad_framework.KeypadDriver):
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def __init__(self, *args, **kwargs): # NOQA
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super().__init__()
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self.__last_key = -1
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self.__current_state = self.RELEASED
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self.group = lv.group_create()
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self.group.set_default() # NOQA
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self.set_group(self.group)
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self.set_mode(lv.INDEV_MODE.EVENT) # NOQA
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self._py_disp_drv._data_bus.register_keypad_callback(self._keypad_cb) # NOQA
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self.paste_text_callback = None
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def set_paste_text_callback(self, callback):
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self.paste_text_callback = callback
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def set_mode(self, mode):
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self._indev_drv.set_mode(mode) # NOQA
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def _keypad_cb(self, *args):
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if len(args) == 5: # Special case for paste
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_, state, key, mod, clipboard_text = args
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print(f"got clipboard paste arg: {clipboard_text}")
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if self.paste_text_callback and state == 1 and key == 118 and mod & MOD_KEY_CTRL: # CTRL-V
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self.paste_text_callback(clipboard_text)
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return
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else:
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_, state, key, mod = args
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print(f"sdl_keyboard.py _keypad_cb got {_}, {state} {key} {mod}")
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# Skip modifier keys and SDL-specific large keycodes (>= 2^30), except keypad, nav, and func keys
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if (key in {KEY_LSHIFT, KEY_RSHIFT, KEY_LCTRL, KEY_RCTRL, KEY_LALT, KEY_RALT,
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KEY_LMETA, KEY_RMETA, KEY_LSUPER, KEY_RSUPER, KEY_MODE, KEY_COMPOSE,
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KEY_NUMLOCK, KEY_CAPSLOCK, KEY_SCROLLOCK} or
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(key >= 1 << 30 and not (SDL_NAV_KEY_START <= key <= SDL_NAV_KEY_END or
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SDL_FUNC_KEY_START <= key <= SDL_FUNC_KEY_END or
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SDL_KEYPAD_KEY_START <= key <= SDL_KEYPAD_KEY_END))):
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self.__last_key = -1 # Do not send modifier keys to LVGL
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return
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if key == KEY_PAUSE:
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return
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# Handle numeric keypad keys (SDL keycodes and original KEYPAD_* range)
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if (KEYPAD_0 <= key <= KEYPAD_EQUALS or
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SDL_KEYPAD_KEY_START <= key <= SDL_KEYPAD_KEY_END):
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if mod & MOD_KEY_NUM:
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mapping = {
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KEYPAD_0: KEY_0,
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KEYPAD_1: KEY_1,
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KEYPAD_2: KEY_2,
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KEYPAD_3: KEY_3,
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KEYPAD_4: KEY_4,
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KEYPAD_5: KEY_5,
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KEYPAD_6: KEY_6,
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KEYPAD_7: KEY_7,
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KEYPAD_8: KEY_8,
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KEYPAD_9: KEY_9,
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KEYPAD_PERIOD: KEY_PERIOD,
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KEYPAD_DIVIDE: KEY_SLASH,
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KEYPAD_MULTIPLY: KEY_ASTERISK,
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KEYPAD_MINUS: KEY_MINUS,
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KEYPAD_PLUS: KEY_PLUS,
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KEYPAD_ENTER: KEY_EQUALS,
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KEYPAD_EQUALS: KEY_EQUALS,
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1073741908: KEY_SLASH, # Keypad /
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1073741909: KEY_ASTERISK, # Keypad *
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1073741910: KEY_MINUS, # Keypad -
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1073741911: KEY_PLUS, # Keypad +
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1073741912: lv.KEY.ENTER, # Keypad ENTER
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1073741913: KEY_1, # Keypad 1
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1073741914: KEY_2, # Keypad 2
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1073741915: KEY_3, # Keypad 3
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1073741916: KEY_4, # Keypad 4
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1073741917: KEY_5, # Keypad 5
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1073741918: KEY_6, # Keypad 6
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1073741919: KEY_7, # Keypad 7
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1073741920: KEY_8, # Keypad 8
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1073741921: KEY_9, # Keypad 9
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1073741922: KEY_0, # Keypad 0
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1073741923: KEY_PERIOD # Keypad .
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}
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else:
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mapping = {
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KEYPAD_0: KEY_INSERT,
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KEYPAD_1: lv.KEY.END, # NOQA
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KEYPAD_2: lv.KEY.DOWN, # NOQA
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KEYPAD_3: lv.KEY.PREV, # NOQA
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KEYPAD_4: lv.KEY.LEFT, # NOQA
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KEYPAD_5: KEY_5,
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KEYPAD_6: lv.KEY.RIGHT, # NOQA
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KEYPAD_7: lv.KEY.HOME, # NOQA
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KEYPAD_8: lv.KEY.UP, # NOQA
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KEYPAD_9: lv.KEY.NEXT, # NOQA
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KEYPAD_PERIOD: lv.KEY.DEL, # NOQA
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KEYPAD_DIVIDE: KEY_SLASH,
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KEYPAD_MULTIPLY: KEY_ASTERISK,
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KEYPAD_MINUS: KEY_MINUS,
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KEYPAD_PLUS: KEY_PLUS,
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KEYPAD_ENTER: lv.KEY.ENTER, # NOQA
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KEYPAD_EQUALS: KEY_EQUALS,
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1073741908: KEY_SLASH, # Keypad /
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1073741909: KEY_ASTERISK, # Keypad *
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1073741910: KEY_MINUS, # Keypad -
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1073741911: KEY_PLUS, # Keypad +
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1073741912: lv.KEY.ENTER, # Keypad ENTER
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1073741913: lv.KEY.END, # Keypad 1
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1073741914: lv.KEY.DOWN, # Keypad 2
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1073741915: lv.KEY.PREV, # Keypad 3
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1073741916: lv.KEY.LEFT, # Keypad 4
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1073741917: KEY_5, # Keypad 5
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1073741918: lv.KEY.RIGHT, # Keypad 6
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1073741919: lv.KEY.HOME, # Keypad 7
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1073741920: lv.KEY.UP, # Keypad 8
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1073741921: lv.KEY.NEXT, # Keypad 9
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1073741922: KEY_INSERT, # Keypad 0
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1073741923: lv.KEY.DEL # Keypad .
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}
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self.__last_key = mapping[key]
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# Apply Shift for keypad symbols if applicable
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if mod & MOD_KEY_SHIFT and self.__last_key in SHIFT_KEY_MAP:
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self.__last_key = SHIFT_KEY_MAP[self.__last_key]
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else:
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mapping = {
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KEY_BACKSPACE: lv.KEY.BACKSPACE, # NOQA
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KEY_TAB: lv.KEY.NEXT, # NOQA
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KEY_RETURN: lv.KEY.ENTER, # NOQA
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KEY_ESCAPE: lv.KEY.ESC, # NOQA
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KEY_DELETE: lv.KEY.DEL, # NOQA
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KEY_UP: lv.KEY.UP, # NOQA
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KEY_DOWN: lv.KEY.DOWN, # NOQA
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KEY_RIGHT: lv.KEY.RIGHT, # NOQA
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KEY_LEFT: lv.KEY.LEFT, # NOQA
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KEY_HOME: lv.KEY.HOME, # NOQA
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KEY_END: lv.KEY.END, # NOQA
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KEY_PAGEDOWN: lv.KEY.PREV, # NOQA
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KEY_PAGEUP: lv.KEY.NEXT, # NOQA
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1073741897: KEY_INSERT, # SDL Insert
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1073741898: lv.KEY.HOME, # SDL Home
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1073741899: lv.KEY.PREV, # SDL PageUp
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1073741900: lv.KEY.DEL, # SDL Delete (unconfirmed)
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1073741901: lv.KEY.END, # SDL End
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1073741902: lv.KEY.NEXT, # SDL PageDown
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1073741903: lv.KEY.RIGHT, # SDL Right Arrow
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1073741904: lv.KEY.LEFT, # SDL Left Arrow
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1073741905: lv.KEY.UP, # SDL Up Arrow
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1073741906: lv.KEY.DOWN, # SDL Down Arrow
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1073741882: KEY_F1, # SDL F1
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1073741883: KEY_F2, # SDL F2
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1073741884: KEY_F3, # SDL F3
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1073741885: KEY_F4, # SDL F4
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1073741886: KEY_F5, # SDL F5
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1073741887: KEY_F6, # SDL F6
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1073741888: KEY_F7, # SDL F7
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1073741889: KEY_F8, # SDL F8
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1073741890: KEY_F9, # SDL F9
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1073741891: KEY_F10, # SDL F10
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1073741892: KEY_F11, # SDL F11
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1073741893: KEY_F12 # SDL F12
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}
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# Handle Shift or Caps Lock for letters and symbols
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if mod & (MOD_KEY_SHIFT | MOD_KEY_CAPS) and KEY_a <= key <= KEY_z:
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# Convert lowercase to uppercase
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self.__last_key = key - 32 # ASCII lowercase to uppercase
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elif mod & MOD_KEY_SHIFT and key in SHIFT_KEY_MAP:
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# Apply Shift mapping for numbers and punctuation
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self.__last_key = SHIFT_KEY_MAP[key]
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else:
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# Use standard mapping or key as-is
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self.__last_key = mapping.get(key, key)
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if state:
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self.__current_state = self.PRESSED
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else:
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self.__current_state = self.RELEASED
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micropython.schedule(MposSDLKeyboard.read, self)
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def _get_key(self):
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return self.__current_state, self.__last_key

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