Besides hiding the details of the raw input, the window manager did not support all the new HIDs. For example, the keyboard generates the device-specific scan code but the system provides an application with the virtual key code. The system interpreted the data coming from these devices in a way that eliminated the device-specific details of the raw information. Previously, the keyboard and mouse typically generated input data. This section covers the following topics: The raw input API provides a stable and robust way for applications to accept raw input from any HID, including the keyboard and mouse. These devices are collectively known as Human Interface Devices (HIDs). For example, user input can come from a joystick, a touch screen, a microphone, or other devices that allow great flexibility in user input. There are many user-input devices beside the traditional keyboard and mouse.
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