forked from Bananymous/banan-os
105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
#pragma once
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#include <BAN/Array.h>
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#include <kernel/Device/Device.h>
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#include <kernel/Lock/SpinLock.h>
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#include <kernel/Terminal/TerminalDriver.h>
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#include <kernel/ThreadBlocker.h>
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#include <LibInput/KeyEvent.h>
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#include <termios.h>
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namespace Kernel
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{
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class TTY : public CharacterDevice
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{
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public:
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virtual void set_font(const LibFont::Font&) {};
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void set_foreground_pgrp(pid_t pgrp) { m_foreground_pgrp = pgrp; }
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pid_t foreground_pgrp() const { return m_foreground_pgrp; }
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BAN::ErrorOr<void> tty_ctrl(int command, int flags);
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// for kprint
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static void putchar_current(uint8_t ch);
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static bool is_initialized();
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static BAN::RefPtr<TTY> current();
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void set_as_current();
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static void initialize_devices();
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void on_key_event(LibInput::KeyEvent);
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void handle_input_byte(uint8_t);
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void get_termios(termios* termios) { *termios = m_termios; }
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// FIXME: validate termios
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BAN::ErrorOr<void> set_termios(const termios* termios) { m_termios = *termios; return {}; }
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virtual bool is_tty() const override { return true; }
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virtual uint32_t height() const = 0;
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virtual uint32_t width() const = 0;
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void putchar(uint8_t ch);
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virtual void clear() = 0;
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virtual BAN::ErrorOr<void> chmod_impl(mode_t) override;
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virtual BAN::ErrorOr<void> chown_impl(uid_t, gid_t) override;
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virtual BAN::ErrorOr<long> ioctl_impl(int, void*) override;
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virtual bool can_read_impl() const override { return m_output.flush; }
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virtual bool can_write_impl() const override { return true; }
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virtual bool has_error_impl() const override { return false; }
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protected:
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TTY(mode_t mode, uid_t uid, gid_t gid)
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: CharacterDevice(mode, uid, gid)
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{
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// FIXME: add correct baud and flags
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m_termios.c_iflag = 0;
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m_termios.c_oflag = 0;
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m_termios.c_cflag = CS8;
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m_termios.c_lflag = ECHO | ICANON;
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m_termios.c_ospeed = B38400;
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m_termios.c_ispeed = B38400;
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}
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virtual void putchar_impl(uint8_t ch) = 0;
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virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
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virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
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private:
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void do_backspace();
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protected:
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TerminalDriver::Color m_foreground { TerminalColor::BRIGHT_WHITE };
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TerminalDriver::Color m_background { TerminalColor::BLACK };
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termios m_termios;
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private:
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pid_t m_foreground_pgrp { 0 };
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struct tty_ctrl_t
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{
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bool draw_graphics { true };
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bool receive_input { true };
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ThreadBlocker thread_blocker;
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};
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tty_ctrl_t m_tty_ctrl;
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struct Buffer
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{
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BAN::Array<uint8_t, 1024> buffer;
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size_t bytes { 0 };
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bool flush { false };
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ThreadBlocker thread_blocker;
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};
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Buffer m_output;
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RecursiveSpinLock m_write_lock;
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};
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}
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