1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <Kernel/Console.h>
#include <Kernel/Devices/KeyboardDevice.h>
#include <Kernel/TTY/TTY.h>
#include <LibVT/Terminal.h>
namespace Kernel {
static constexpr unsigned s_max_virtual_consoles = 6;
class VirtualConsole final : public TTY
, public KeyboardClient
, public VT::TerminalClient {
AK_MAKE_ETERNAL
public:
VirtualConsole(const unsigned index);
virtual ~VirtualConsole() override;
static void switch_to(unsigned);
static void initialize();
bool is_graphical() { return m_graphical; }
void set_graphical(bool graphical);
private:
// ^KeyboardClient
virtual void on_key_pressed(KeyboardDevice::Event) override;
// ^TTY
virtual ssize_t on_tty_write(const u8*, ssize_t) override;
virtual String tty_name() const override { return m_tty_name; }
virtual void echo(u8) override;
// ^TerminalClient
virtual void beep() override;
virtual void set_window_title(const StringView&) override;
virtual void set_window_progress(int, int) override;
virtual void terminal_did_resize(u16 columns, u16 rows) override;
virtual void terminal_history_changed() override;
virtual void emit(const u8*, size_t) override;
// ^CharacterDevice
virtual const char* class_name() const override { return "VirtualConsole"; }
void set_active(bool);
void flush_vga_cursor();
void flush_dirty_lines();
unsigned m_index;
bool m_active { false };
bool m_graphical { false };
void clear_vga_row(u16 row);
void set_vga_start_row(u16 row);
u16 m_vga_start_row { 0 };
u16 m_current_vga_start_address { 0 };
u8* m_current_vga_window { nullptr };
VT::Terminal m_terminal;
String m_tty_name;
};
}
|
