-
-
Notifications
You must be signed in to change notification settings - Fork 3.2k
/
Copy pathSystemTheme.cpp
241 lines (211 loc) · 9.56 KB
/
SystemTheme.cpp
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/*
* Copyright (c) 2018-2020, Andreas Kling <[email protected]>
* Copyright (c) 2021, Sam Atkins <[email protected]>
* Copyright (c) 2022, Filiph Sandström <[email protected]>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <AK/QuickSort.h>
#include <LibCore/ConfigFile.h>
#include <LibCore/DirIterator.h>
#include <LibGfx/SystemTheme.h>
#include <string.h>
namespace Gfx {
static SystemTheme dummy_theme;
static SystemTheme const* theme_page = &dummy_theme;
static Core::AnonymousBuffer theme_buffer;
Core::AnonymousBuffer& current_system_theme_buffer()
{
VERIFY(theme_buffer.is_valid());
return theme_buffer;
}
void set_system_theme(Core::AnonymousBuffer buffer)
{
theme_buffer = move(buffer);
theme_page = theme_buffer.data<SystemTheme>();
}
ErrorOr<Core::AnonymousBuffer> load_system_theme(Core::ConfigFile const& file, Optional<ByteString> const& color_scheme)
{
auto buffer = TRY(Core::AnonymousBuffer::create_with_size(sizeof(SystemTheme)));
auto* data = buffer.data<SystemTheme>();
if (color_scheme.has_value()) {
if (color_scheme.value().length() > 255)
return Error::from_string_literal("Passed an excessively long color scheme pathname");
if (color_scheme.value() != "Custom"sv)
memcpy(data->path[(int)PathRole::ColorScheme], color_scheme.value().characters(), color_scheme.value().length());
else
memcpy(buffer.data<SystemTheme>(), theme_buffer.data<SystemTheme>(), sizeof(SystemTheme));
}
auto get_color = [&](auto& name) -> Optional<Color> {
auto color_string = file.read_entry("Colors", name);
auto color = Color::from_string(color_string);
if (color_scheme.has_value() && color_scheme.value() == "Custom"sv)
return color;
if (!color.has_value()) {
auto maybe_color_config = Core::ConfigFile::open(data->path[(int)PathRole::ColorScheme]);
if (maybe_color_config.is_error())
maybe_color_config = Core::ConfigFile::open("/res/color-schemes/Default.ini");
auto color_config = maybe_color_config.release_value();
if (name == "ColorSchemeBackground"sv)
color = Gfx::Color::from_string(color_config->read_entry("Primary", "Background"));
else if (name == "ColorSchemeForeground"sv)
color = Gfx::Color::from_string(color_config->read_entry("Primary", "Foreground"));
else if (strncmp(name, "Bright", 6) == 0)
color = Gfx::Color::from_string(color_config->read_entry("Bright", name + 6));
else
color = Gfx::Color::from_string(color_config->read_entry("Normal", name));
if (!color.has_value())
return Color(Color::Black);
}
return color.value();
};
auto get_flag = [&](auto& name) {
return file.read_bool_entry("Flags", name, false);
};
auto get_alignment = [&](auto& name, auto role) {
auto alignment = file.read_entry("Alignments", name).to_lowercase();
if (alignment.is_empty()) {
switch (role) {
case (int)AlignmentRole::TitleAlignment:
return Gfx::TextAlignment::CenterLeft;
default:
dbgln("Alignment {} has no fallback value!", name);
return Gfx::TextAlignment::CenterLeft;
}
}
if (alignment == "left" || alignment == "centerleft")
return Gfx::TextAlignment::CenterLeft;
else if (alignment == "right" || alignment == "centerright")
return Gfx::TextAlignment::CenterRight;
else if (alignment == "center")
return Gfx::TextAlignment::Center;
dbgln("Alignment {} has an invalid value!", name);
return Gfx::TextAlignment::CenterLeft;
};
auto get_window_theme = [&](auto& name, auto role) {
auto window_theme = file.read_entry("Window", name);
if (window_theme.is_empty()) {
switch (role) {
case (int)WindowThemeRole::WindowTheme:
return Gfx::WindowThemeProvider::Classic;
default:
dbgln("Window theme {} has no fallback value!", name);
return Gfx::WindowThemeProvider::Classic;
}
}
if (auto provider = window_theme_provider_from_string(window_theme); provider.has_value())
return *provider;
dbgln("Window theme {} has an invalid value!", name);
return Gfx::WindowThemeProvider::Classic;
};
auto get_metric = [&](auto& name, auto role) {
int metric = file.read_num_entry("Metrics", name, -1);
if (metric == -1) {
switch (role) {
case (int)MetricRole::BorderThickness:
return 4;
case (int)MetricRole::BorderRadius:
return 0;
case (int)MetricRole::TitleHeight:
return 19;
case (int)MetricRole::TitleButtonHeight:
return 15;
case (int)MetricRole::TitleButtonWidth:
return 15;
case (int)MetricRole::TitleButtonInactiveAlpha:
return 255;
default:
dbgln("Metric {} has no fallback value!", name);
return 16;
}
}
return metric;
};
auto get_path = [&](auto& name, auto role, bool allow_empty) {
auto path = file.read_entry("Paths", name);
if (path.is_empty()) {
switch (role) {
case (int)PathRole::TitleButtonIcons:
return "/res/icons/16x16/";
default:
return allow_empty ? "" : "/res/";
}
}
return &path[0];
};
#define ENCODE_PATH(x, allow_empty) \
do { \
auto path = get_path(#x, (int)PathRole::x, allow_empty); \
memcpy(data->path[(int)PathRole::x], path, min(strlen(path) + 1, sizeof(data->path[(int)PathRole::x]))); \
data->path[(int)PathRole::x][sizeof(data->path[(int)PathRole::x]) - 1] = '\0'; \
} while (0)
ENCODE_PATH(TitleButtonIcons, false);
ENCODE_PATH(ActiveWindowShadow, true);
ENCODE_PATH(InactiveWindowShadow, true);
ENCODE_PATH(TaskbarShadow, true);
ENCODE_PATH(MenuShadow, true);
ENCODE_PATH(TooltipShadow, true);
if (!color_scheme.has_value())
ENCODE_PATH(ColorScheme, true);
#undef __ENUMERATE_COLOR_ROLE
#define __ENUMERATE_COLOR_ROLE(role) \
{ \
Optional<Color> result = get_color(#role); \
if (result.has_value()) \
data->color[(int)ColorRole::role] = result.value().value(); \
}
ENUMERATE_COLOR_ROLES(__ENUMERATE_COLOR_ROLE)
#undef __ENUMERATE_COLOR_ROLE
#undef __ENUMERATE_ALIGNMENT_ROLE
#define __ENUMERATE_ALIGNMENT_ROLE(role) \
data->alignment[(int)AlignmentRole::role] = get_alignment(#role, (int)AlignmentRole::role);
ENUMERATE_ALIGNMENT_ROLES(__ENUMERATE_ALIGNMENT_ROLE)
#undef __ENUMERATE_ALIGNMENT_ROLE
#undef __ENUMERATE_WINDOW_THEME_ROLE
#define __ENUMERATE_WINDOW_THEME_ROLE(role) \
data->window_theme[(int)WindowThemeRole::role] = get_window_theme(#role, (int)WindowThemeRole::role);
ENUMERATE_WINDOW_THEME_ROLES(__ENUMERATE_WINDOW_THEME_ROLE)
#undef __ENUMERATE_WINDOW_THEME_ROLE
#undef __ENUMERATE_FLAG_ROLE
#define __ENUMERATE_FLAG_ROLE(role) \
{ \
if (#role != "BoldTextAsBright"sv) \
data->flag[(int)FlagRole::role] = get_flag(#role); \
}
ENUMERATE_FLAG_ROLES(__ENUMERATE_FLAG_ROLE)
#undef __ENUMERATE_FLAG_ROLE
#undef __ENUMERATE_METRIC_ROLE
#define __ENUMERATE_METRIC_ROLE(role) \
data->metric[(int)MetricRole::role] = get_metric(#role, (int)MetricRole::role);
ENUMERATE_METRIC_ROLES(__ENUMERATE_METRIC_ROLE)
#undef __ENUMERATE_METRIC_ROLE
if (!color_scheme.has_value() || color_scheme.value() != "Custom"sv) {
auto maybe_color_config = Core::ConfigFile::open(data->path[(int)PathRole::ColorScheme]);
if (!maybe_color_config.is_error()) {
auto color_config = maybe_color_config.release_value();
data->flag[(int)FlagRole::BoldTextAsBright] = color_config->read_bool_entry("Options", "ShowBoldTextAsBright", true);
}
}
return buffer;
}
ErrorOr<Core::AnonymousBuffer> load_system_theme(ByteString const& path, Optional<ByteString> const& color_scheme)
{
auto config_file = TRY(Core::ConfigFile::open(path));
return TRY(load_system_theme(config_file, color_scheme));
}
ErrorOr<Vector<SystemThemeMetaData>> list_installed_system_themes()
{
Vector<SystemThemeMetaData> system_themes;
Core::DirIterator dt("/res/themes", Core::DirIterator::SkipDots);
while (dt.has_next()) {
auto theme_name = dt.next_path();
auto theme_path = ByteString::formatted("/res/themes/{}", theme_name);
auto config_file = TRY(Core::ConfigFile::open(theme_path));
auto menu_name = config_file->read_entry("Menu", "Name", theme_name);
TRY(system_themes.try_append({ LexicalPath::title(theme_name), menu_name, theme_path }));
}
quick_sort(system_themes, [](auto& a, auto& b) { return a.name < b.name; });
return system_themes;
}
}