serenity/Kernel/Graphics/Console/VGATextModeConsole.h
Liav A 0a5416a87a Kernel: Mark Console::{hide,show}_cursor methods protected
Only the Console code in the Graphics directory should be able to call
on these methods. The set_cursor method stays public as VirtualConsole
uses that method to change the cursor position.
2022-09-20 20:51:03 +01:00

47 lines
1.5 KiB
C++

/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Graphics/Console/Console.h>
#include <Kernel/Locking/Spinlock.h>
namespace Kernel::Graphics {
class VGATextModeConsole final : public Console {
public:
static NonnullLockRefPtr<VGATextModeConsole> initialize();
virtual size_t chars_per_line() const override { return width(); };
virtual bool has_hardware_cursor() const override { return true; }
virtual bool is_hardware_paged_capable() const override { return true; }
virtual size_t bytes_per_base_glyph() const override { return 2; }
virtual void set_cursor(size_t x, size_t y) override;
virtual void clear(size_t x, size_t y, size_t length) override;
virtual void write(size_t x, size_t y, char ch, bool critical = false) override;
virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) override;
virtual void write(char ch, bool critical = false) override;
virtual void flush(size_t, size_t, size_t, size_t) override { }
virtual void enable() override { }
virtual void disable() override { }
private:
virtual void hide_cursor() override;
virtual void show_cursor() override;
void clear_vga_row(u16 row);
explicit VGATextModeConsole(NonnullOwnPtr<Memory::Region>);
mutable Spinlock m_vga_lock { LockRank::None };
NonnullOwnPtr<Memory::Region> m_vga_window_region;
VirtualAddress m_current_vga_window;
};
}