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Serenity Operating System
1/*
2 * Copyright (c) 2020, the SerenityOS developers.
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <AK/DeprecatedString.h>
10#include <AK/Vector.h>
11#include <LibCore/ConfigFile.h>
12#include <LibGfx/Rect.h>
13#include <LibGfx/Size.h>
14#include <LibIPC/Forward.h>
15
16namespace WindowServer {
17
18class ScreenLayout {
19public:
20 struct Screen {
21 enum class Mode {
22 Invalid,
23 Device,
24 Virtual,
25 } mode;
26 Optional<DeprecatedString> device;
27 Gfx::IntPoint location;
28 Gfx::IntSize resolution;
29 int scale_factor;
30
31 Gfx::IntRect virtual_rect() const
32 {
33 return { location, { resolution.width() / scale_factor, resolution.height() / scale_factor } };
34 }
35
36 static StringView mode_to_string(Mode mode)
37 {
38#define __ENUMERATE_MODE_ENUM(val) \
39 case Mode::val: \
40 return #val##sv;
41
42 switch (mode) {
43 __ENUMERATE_MODE_ENUM(Invalid)
44 __ENUMERATE_MODE_ENUM(Device)
45 __ENUMERATE_MODE_ENUM(Virtual)
46 }
47 VERIFY_NOT_REACHED();
48
49#undef __ENUMERATE_MODE_ENUM
50 }
51
52 bool operator==(Screen const&) const = default;
53 };
54
55 Vector<Screen> screens;
56 unsigned main_screen_index { 0 };
57
58 bool is_valid(DeprecatedString* error_msg = nullptr) const;
59 bool normalize();
60 bool load_config(Core::ConfigFile const& config_file, DeprecatedString* error_msg = nullptr);
61 bool save_config(Core::ConfigFile& config_file, bool sync = true) const;
62 bool try_auto_add_display_connector(DeprecatedString const&);
63
64 // TODO: spaceship operator
65 bool operator!=(ScreenLayout const& other) const;
66 bool operator==(ScreenLayout const& other) const
67 {
68 return !(*this != other);
69 }
70};
71
72}
73
74namespace IPC {
75
76template<>
77ErrorOr<void> encode(Encoder&, WindowServer::ScreenLayout::Screen const&);
78
79template<>
80ErrorOr<WindowServer::ScreenLayout::Screen> decode(Decoder&);
81
82template<>
83ErrorOr<void> encode(Encoder&, WindowServer::ScreenLayout const&);
84
85template<>
86ErrorOr<WindowServer::ScreenLayout> decode(Decoder&);
87
88}