CTRL + ALT is not always interpreted as ALT GR on Windows

[fredizzimo]

Description

See neovide/neovide#2899 for the full description

But in short, on a Nordic layout ctrl + alt + 2 sends ctr + alt + @, while ctrl + alt + 3 correctly sends just £ as it should.

Logs from Neovide

TRACE [neovide::window::keyboard_manager] Modifiers { state: ModifiersState(ALT), pressed_mods: ModifiersKeys(0x0) }
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        AltLeft,
    ),
    logical_key: Named(
        Alt,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: false,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Alt,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] Modifiers { state: ModifiersState(CONTROL | ALT), pressed_mods: ModifiersKeys(0x0) }
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: false,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: true,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        Digit2,
    ),
    logical_key: Character(
        "@",
    ),
    text: Some(
        "@",
    ),
    location: Standard,
    state: Pressed,
    repeat: false,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: Some(
            "@",
        ),
        key_without_modifiers: Character(
            "2",
        ),
    },
}
TRACE [neovide::window::keyboard_manager] Key pressed <C-M-@> ModifiersState(CONTROL | ALT)
TRACE [neovide::channel_utils] UIComand Serial(Keyboard("<C-M-@>"))
TRACE [neovide::bridge::ui_commands] In Serial Command
TRACE [neovide::bridge::ui_commands] Keyboard Input Sent: <C-M-@>
TRACE [neovide::bridge::handler] Neovim notification: "redraw"
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 3, row: 0, column_start: 0, cells: [GridLineCell { text: " ", highlight_id: Some(1), repeat: Some(12) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 1, row: 32, column_start: 84, cells: [GridLineCell { text: "0", highlight_id: Some(36), repeat: None }, GridLineCell { text: "-", highlight_id: None, repeat: None }, GridLineCell { text: "1", highlight_id: None, repeat: None }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 3, row: 0, column_start: 89, cells: [GridLineCell { text: "~", highlight_id: Some(1), repeat: None }, GridLineCell { text: "@", highlight_id: None, repeat: None }, GridLineCell { text: "", highlight_id: None, repeat: None }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 3, row: 0, column_start: 89, cells: [GridLineCell { text: " ", highlight_id: Some(1), repeat: Some(3) }, GridLineCell { text: " ", highlight_id: Some(0), repeat: Some(0) }] }
TRACE [neovide::channel_utils] neovim_handler ModeChange { mode: Normal, mode_index: 0 }
TRACE [neovide::channel_utils] neovim_handler Flush
TRACE [neovide::editor] Image flushed
TRACE [neovide::editor] send_batch
TRACE [neovide::window::keyboard_manager] Modifiers { state: ModifiersState(CONTROL | ALT), pressed_mods: ModifiersKeys(0x0) }
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        ControlLeft,
    ),
    logical_key: Named(
        Control,
    ),
    text: None,
    location: Left,
    state: Pressed,
    repeat: false,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: None,
        key_without_modifiers: Named(
            Control,
        ),
    },
}
TRACE [neovide::window::keyboard_manager] KeyEvent {
    physical_key: Code(
        Digit3,
    ),
    logical_key: Character(
        "£",
    ),
    text: Some(
        "£",
    ),
    location: Standard,
    state: Pressed,
    repeat: false,
    platform_specific: KeyEventExtra {
        text_with_all_modifers: Some(
            "£",
        ),
        key_without_modifiers: Character(
            "3",
        ),
    },
}
TRACE [neovide::window::keyboard_manager] Key pressed <C-M-£> ModifiersState(CONTROL | ALT)
TRACE [neovide::channel_utils] UIComand Serial(Keyboard("<C-M-£>"))
TRACE [neovide::bridge::ui_commands] In Serial Command
TRACE [neovide::bridge::ui_commands] Keyboard Input Sent: <C-M-£>
TRACE [neovide::bridge::handler] Neovim notification: "redraw"
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 0, column_start: 0, cells: [GridLineCell { text: "£", highlight_id: Some(0), repeat: None }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 10, column_start: 34, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(32) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 12, column_start: 28, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(44) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 13, column_start: 38, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(23) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 15, column_start: 27, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(46) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 16, column_start: 27, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(46) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 17, column_start: 27, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(46) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 18, column_start: 27, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(46) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 20, column_start: 26, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(47) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 22, column_start: 35, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(29) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 2, row: 23, column_start: 27, cells: [GridLineCell { text: " ", highlight_id: Some(12), repeat: Some(46) }] }
TRACE [neovide::channel_utils] neovim_handler GridLine { grid: 1, row: 32, column_start: 10, cells: [GridLineCell { text: "[", highlight_id: Some(36), repeat: None }, GridLineCell { text: "+", highlight_id: None, repeat: None }, GridLineCell { text: "]", highlight_id: None, repeat: None }, GridLineCell { text: " ", highlight_id: Some(36), repeat: Some(69) }, GridLineCell { text: "1", highlight_id: None, repeat: None }, GridLineCell { text: ",", highlight_id: None, repeat: None }, GridLineCell { text: "3", highlight_id: None, repeat: None }, GridLineCell { text: "-", highlight_id: None, repeat: None }, GridLineCell { text: "2", highlight_id: None, repeat: None }] }
TRACE [neovide::channel_utils] neovim_handler WindowViewport { grid: 2, top_line: 0.0, bottom_line: 2.0, current_line: 0.0, current_column: 2.0, line_count: Some(1.0), scroll_delta: Some(0.0) }
TRACE [neovide::channel_utils] neovim_handler CursorGoto { grid: 2, row: 0, column: 1 }
TRACE [neovide::channel_utils] neovim_handler Flush
TRACE [neovide::editor] Image flushed
TRACE [neovide::editor] send_batch

Note that there's a similar but almost opposite bug, that when pressing ctrl + altgr the ctrl is not reported when it should

• Ctrl is reported as not pressed when combining Ctrl+Altgr on Windows #3012

Windows version

Windows 11

Winit version

0.29.15