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81 lines
2.2 KiB
C++
81 lines
2.2 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 on_key_pressed(Keyboard::Event) override;
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// ^ConsoleImplementation
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virtual void on_sysconsole_receive(byte) override;
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// ^TTY
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virtual ssize_t on_tty_write(const byte*, size_t) override;
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virtual String tty_name() const override;
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// ^CharacterDevice
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virtual const char* class_name() const override { return "VirtualConsole"; }
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void set_active(bool);
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void on_char(byte);
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void get_vga_cursor(byte& row, byte& column);
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void flush_vga_cursor();
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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$A(const Vector<unsigned>&);
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void escape$D(const Vector<unsigned>&);
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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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void clear();
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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 clear_vga_row(word row);
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void set_vga_start_row(word row);
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word m_vga_start_row { 0 };
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word m_current_vga_start_address { 0 };
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byte* m_current_vga_window { nullptr };
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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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byte* m_horizontal_tabs { nullptr };
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};
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