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26a9d662f4
It was silly for the WindowServer to have to know anything about the format of PS/2 mouse packets. This patch also enables use of the middle mouse button.
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#pragma once
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#include <Kernel/CharacterDevice.h>
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#include <Kernel/MousePacket.h>
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#include <Kernel/IRQHandler.h>
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class PS2MouseDevice final : public IRQHandler, public CharacterDevice {
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public:
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PS2MouseDevice();
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virtual ~PS2MouseDevice() override;
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static PS2MouseDevice& the();
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// ^CharacterDevice
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virtual bool can_read(Process&) const override;
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virtual ssize_t read(Process&, byte*, ssize_t) override;
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virtual ssize_t write(Process&, const byte*, ssize_t) override;
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virtual bool can_write(Process&) const override { return true; }
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private:
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// ^IRQHandler
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virtual void handle_irq() override;
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// ^CharacterDevice
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virtual const char* class_name() const override { return "PS2MouseDevice"; }
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void initialize();
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void prepare_for_input();
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void prepare_for_output();
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void mouse_write(byte);
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byte mouse_read();
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void wait_then_write(byte port, byte data);
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byte wait_then_read(byte port);
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void parse_data_packet();
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CircularQueue<MousePacket, 100> m_queue;
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byte m_data_state { 0 };
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byte m_data[3];
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};
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