bool IgnoreKeyCode()

in src/modules/keyboardmanager/common/Shortcut.cpp [607:644]

• 25 lines of code
• 27 McCabe index (conditional complexity)

bool IgnoreKeyCode(DWORD key)
{
    // Ignore mouse buttons. Keeping this could cause a remapping to fail if a mouse button is also pressed at the same time
    switch (key)
    {
    case VK_LBUTTON:
    case VK_RBUTTON:
    case VK_MBUTTON:
    case VK_XBUTTON1:
    case VK_XBUTTON2:
        return true;
    }

    // As per docs: https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
    // Undefined keys
    bool isUndefined = equals(key, 0x07) || in_range(key, 0x0E, 0x0F) || in_range(key, 0x3A, 0x40);

    // Reserved keys
    bool isReserved = in_range(key, 0x0A, 0x0B) || equals(key, 0x5E) || in_range(key, 0xB8, 0xB9) || in_range(key, 0xC1, 0xD7) || equals(key, 0xE0) || equals(key, VK_NONAME);

    // Unassigned keys
    bool isUnassigned = in_range(key, 0x88, 0x8F) || in_range(key, 0x97, 0x9F) || in_range(key, 0xD8, 0xDA) || equals(key, 0xE8);

    // OEM Specific keys. Ignore these key codes as some of them are used by IME keyboards. More information at https://github.com/microsoft/PowerToys/issues/5225
    bool isOEMSpecific = in_range(key, 0x92, 0x96) || equals(key, 0xE1) || in_range(key, 0xE3, 0xE4) || equals(key, 0xE6) || in_range(key, 0xE9, 0xF5);

    // IME keys. Ignore these key codes as some of them are used by IME keyboards. More information at https://github.com/microsoft/PowerToys/issues/6951
    bool isIME = in_range(key, VK_KANA, 0x1A) || in_range(key, VK_CONVERT, VK_MODECHANGE) || equals(key, VK_PROCESSKEY);

    if (isUndefined || isReserved || isUnassigned || isOEMSpecific || isIME)
    {
        return true;
    }
    else
    {
        return false;
    }
}