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10b666f69a
For testing, I made cat put itself into a new process group. This should eventually be done by sh between fork() and exec().
66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
#pragma once
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#include "TTY.h"
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#include "Keyboard.h"
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#include "Console.h"
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class VirtualConsole final : public TTY, public KeyboardClient, public ConsoleImplementation {
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AK_MAKE_ETERNAL
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public:
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enum InitialContents { Cleared, AdoptCurrentVGABuffer };
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VirtualConsole(unsigned index, InitialContents = Cleared);
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virtual ~VirtualConsole() override;
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static void switch_to(unsigned);
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static void initialize();
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private:
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// ^KeyboardClient
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virtual void onKeyPress(Keyboard::Key) override;
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// ^ConsoleImplementation
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virtual void onConsoleReceive(byte) override;
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// ^TTY
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virtual void onTTYWrite(byte) override;
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virtual String ttyName() const override;
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void set_active(bool);
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void on_char(byte, bool shouldEmit);
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byte* m_buffer;
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unsigned m_index;
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bool m_active { false };
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void scroll_up();
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void set_cursor(unsigned row, unsigned column);
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void put_character_at(unsigned row, unsigned column, byte ch);
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void escape$H(const Vector<unsigned>&);
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void escape$J(const Vector<unsigned>&);
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void escape$m(const Vector<unsigned>&);
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void escape$s(const Vector<unsigned>&);
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void escape$u(const Vector<unsigned>&);
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const byte m_rows { 25 };
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const byte m_columns { 80 };
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byte m_cursor_row { 0 };
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byte m_cursor_column { 0 };
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byte m_saved_cursor_row { 0 };
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byte m_saved_cursor_column { 0 };
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byte m_current_attribute { 0x07 };
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void execute_escape_sequence(byte final);
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enum EscapeState {
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Normal,
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ExpectBracket,
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ExpectParameter,
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ExpectIntermediate,
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ExpectFinal,
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};
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EscapeState m_escape_state { Normal };
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Vector<byte> m_parameters;
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Vector<byte> m_intermediates;
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};
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