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![Andreas Kling](/assets/img/avatar_default.png)
For testing, I made cat put itself into a new process group. This should eventually be done by sh between fork() and exec().
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#pragma once
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#include <AK/Types.h>
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#include <AK/DoublyLinkedList.h>
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#include <AK/CircularQueue.h>
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#include <VirtualFileSystem/CharacterDevice.h>
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#include "IRQHandler.h"
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class KeyboardClient;
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class Keyboard final : public IRQHandler, public CharacterDevice {
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AK_MAKE_ETERNAL
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public:
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enum Modifier {
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Mod_Alt = 0x01,
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Mod_Ctrl = 0x02,
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Mod_Shift = 0x04,
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};
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struct Key {
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byte character { 0 };
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byte modifiers { 0 };
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bool alt() { return modifiers & Mod_Alt; }
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bool ctrl() { return modifiers & Mod_Ctrl; }
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bool shift() { return modifiers & Mod_Shift; }
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};
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static Keyboard& the() PURE;
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virtual ~Keyboard() override;
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Keyboard();
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void setClient(KeyboardClient* client) { m_client = client; }
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private:
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// ^IRQHandler
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virtual void handleIRQ() override;
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// ^CharacterDevice
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virtual ssize_t read(byte* buffer, size_t) override;
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virtual ssize_t write(const byte* buffer, size_t) override;
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virtual bool hasDataAvailableForRead() const override;
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void emit(byte);
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KeyboardClient* m_client { nullptr };
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CircularQueue<Key, 16> m_queue;
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byte m_modifiers { 0 };
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};
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class KeyboardClient {
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public:
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virtual ~KeyboardClient();
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virtual void onKeyPress(Keyboard::Key) = 0;
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};
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