mirror of
https://github.com/RGBCube/serenity
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e5e295052f
Render the mouse cursor by xor'ing the pixels. I don't know anything about hardware cursors yet and this way we don't need to recompose the window hierarchy every time you move the mouse. :^)
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#pragma once
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#include <VirtualFileSystem/CharacterDevice.h>
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#include "IRQHandler.h"
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class MouseClient;
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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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void set_client(MouseClient* client) { m_client = client; }
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private:
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virtual bool has_data_available_for_reading() const override;
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virtual ssize_t read(byte* buffer, size_t buffer_size) override;
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virtual ssize_t write(const byte* buffer, size_t buffer_size) override;
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virtual void handle_irq() override;
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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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MouseClient* m_client { nullptr };
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byte m_data_state { 0 };
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signed_byte m_data[3];
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};
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class MouseClient {
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public:
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virtual ~MouseClient();
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virtual void did_receive_mouse_data(int dx, int dy, bool left_button, bool right_button) = 0;
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};
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