72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
"""
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Turn a key press in the GUI into a name macropad.py understands.
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The pad sends HID usage codes, which identify a physical key position, not
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a character - your keyboard layout decides what that position types. So the
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recorder uses the physical key too: on Linux (X11 and Wayland) Qt reports
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the xkb keycode, which is the evdev code + 8. That keeps 'record' correct on
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UK, German, AZERTY and so on. Letters and digits fall back to Qt's key
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value if the scancode is missing.
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"""
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from PySide6.QtCore import Qt
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import macropad as proto
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# evdev KEY_* code -> macropad.KEYCODES name. Only keys macropad.py can send.
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EVDEV = {
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1: "esc", 14: "backspace", 15: "tab", 28: "enter", 57: "space",
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12: "minus", 13: "equal", 26: "leftbracket", 27: "rightbracket",
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43: "backslash", 39: "semicolon", 40: "quote", 41: "grave",
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51: "comma", 52: "period", 53: "slash", 58: "capslock",
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99: "printscreen", 70: "scrolllock", 119: "pause",
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110: "insert", 102: "home", 104: "pageup", 111: "delete", 107: "end",
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109: "pagedown", 106: "right", 105: "left", 108: "down", 103: "up",
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87: "f11", 88: "f12",
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}
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for _i, _c in enumerate("1234567890"):
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EVDEV[2 + _i] = _c
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for _row, _start in (("qwertyuiop", 16), ("asdfghjkl", 30), ("zxcvbnm", 44)):
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for _i, _c in enumerate(_row):
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EVDEV[_start + _i] = _c
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for _i in range(1, 11):
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EVDEV[58 + _i] = f"f{_i}" # F1 = 59 .. F10 = 68
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for _i in range(13, 25):
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EVDEV[170 + _i] = f"f{_i}" # F13 = 183 .. F24 = 194
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for _name in EVDEV.values():
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assert _name in proto.KEYCODES, _name
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MODIFIER_KEYS = {Qt.Key_Control, Qt.Key_Shift, Qt.Key_Alt, Qt.Key_Meta,
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Qt.Key_Super_L, Qt.Key_Super_R, Qt.Key_AltGr}
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_QT_FALLBACK = {}
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for _c in "abcdefghijklmnopqrstuvwxyz":
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_QT_FALLBACK[getattr(Qt, f"Key_{_c.upper()}")] = _c
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for _c in "0123456789":
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_QT_FALLBACK[getattr(Qt, f"Key_{_c}")] = _c
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for _i in range(1, 13):
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_QT_FALLBACK[getattr(Qt, f"Key_F{_i}")] = f"f{_i}"
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def key_name(event):
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"""HID key name for a QKeyEvent, or None if the pad can't send it."""
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code = event.nativeScanCode() - 8
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if code in EVDEV:
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return EVDEV[code]
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return _QT_FALLBACK.get(Qt.Key(event.key()))
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def modifier_names(event):
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m = event.modifiers()
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out = []
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if m & Qt.ControlModifier:
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out.append("ctrl")
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if m & Qt.ShiftModifier:
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out.append("shift")
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if m & Qt.AltModifier:
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out.append("alt")
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if m & Qt.MetaModifier:
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out.append("super")
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return out
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