fn decode_mouse_record, InputEvent)>()

in crates/figterm/src/input/mod.rs [1123:1166]
39 lines of code
9 McCabe index (conditional complexity)

        fn decode_mouse_record<F: FnMut(Option<Bytes>, InputEvent)>(
            &self,
            event: &MOUSE_EVENT_RECORD,
            callback: &mut F,
        ) {
            use winapi::um::wincon::*;
            let mut buttons = MouseButtons::NONE;

            if (event.dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED) != 0 {
                buttons |= MouseButtons::LEFT;
            }
            if (event.dwButtonState & RIGHTMOST_BUTTON_PRESSED) != 0 {
                buttons |= MouseButtons::RIGHT;
            }
            if (event.dwButtonState & FROM_LEFT_2ND_BUTTON_PRESSED) != 0 {
                buttons |= MouseButtons::MIDDLE;
            }

            let modifiers = modifiers_from_ctrl_key_state(event.dwControlKeyState);

            if (event.dwEventFlags & MOUSE_WHEELED) != 0 {
                buttons |= MouseButtons::VERT_WHEEL;
                if (event.dwButtonState >> 8) != 0 {
                    buttons |= MouseButtons::WHEEL_POSITIVE;
                }
            } else if (event.dwEventFlags & MOUSE_HWHEELED) != 0 {
                buttons |= MouseButtons::HORZ_WHEEL;
                if (event.dwButtonState >> 8) != 0 {
                    buttons |= MouseButtons::WHEEL_POSITIVE;
                }
            }

            let mouse = InputEvent::Mouse(MouseEvent {
                x: event.dwMousePosition.X as u16,
                y: event.dwMousePosition.Y as u16,
                mouse_buttons: buttons,
                modifiers,
            });

            if (event.dwEventFlags & DOUBLE_CLICK) != 0 {
                callback(None, mouse.clone());
            }
            callback(None, mouse);
        }