Flutter Linux Embedder
fl_gnome_settings.cc
Go to the documentation of this file.
1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
6 
7 #include <gio/gio.h>
8 #include <glib.h>
9 
10 static constexpr char kDesktopInterfaceSchema[] = "org.gnome.desktop.interface";
11 static constexpr char kDesktopTextScalingFactorKey[] = "text-scaling-factor";
12 static constexpr char kDesktopClockFormatKey[] = "clock-format";
13 static constexpr char kDesktopGtkThemeKey[] = "gtk-theme";
14 
15 static constexpr char kClockFormat12Hour[] = "12h";
16 static constexpr char kGtkThemeDarkSuffix[] = "-dark";
17 static constexpr char kInterfaceSettings[] = "interface-settings";
18 
20  GObject parent_instance;
21 
22  GSettings* interface_settings;
23 };
24 
26 
27 static void fl_gnome_settings_iface_init(FlSettingsInterface* iface);
28 
29 G_DEFINE_TYPE_WITH_CODE(FlGnomeSettings,
30  fl_gnome_settings,
31  G_TYPE_OBJECT,
32  G_IMPLEMENT_INTERFACE(fl_settings_get_type(),
34 
35 static FlClockFormat fl_gnome_settings_get_clock_format(FlSettings* settings) {
36  FlGnomeSettings* self = FL_GNOME_SETTINGS(settings);
37 
38  FlClockFormat clock_format = FL_CLOCK_FORMAT_24H;
39 
40  if (self->interface_settings != nullptr) {
41  g_autofree gchar* value =
42  g_settings_get_string(self->interface_settings, kDesktopClockFormatKey);
43  if (g_strcmp0(value, kClockFormat12Hour) == 0) {
44  clock_format = FL_CLOCK_FORMAT_12H;
45  }
46  }
47  return clock_format;
48 }
49 
50 static FlColorScheme fl_gnome_settings_get_color_scheme(FlSettings* settings) {
51  FlGnomeSettings* self = FL_GNOME_SETTINGS(settings);
52 
53  FlColorScheme color_scheme = FL_COLOR_SCHEME_LIGHT;
54 
55  if (self->interface_settings != nullptr) {
56  // check whether org.gnome.desktop.interface.gtk-theme ends with "-dark"
57  g_autofree gchar* value =
58  g_settings_get_string(self->interface_settings, kDesktopGtkThemeKey);
59  if (g_str_has_suffix(value, kGtkThemeDarkSuffix)) {
60  color_scheme = FL_COLOR_SCHEME_DARK;
61  }
62  }
63  return color_scheme;
64 }
65 
66 static gboolean fl_gnome_settings_get_enable_animations(FlSettings* settings) {
67  return true;
68 }
69 
70 static gboolean fl_gnome_settings_get_high_contrast(FlSettings* settings) {
71  return false;
72 }
73 
74 static gdouble fl_gnome_settings_get_text_scaling_factor(FlSettings* settings) {
75  FlGnomeSettings* self = FL_GNOME_SETTINGS(settings);
76 
77  gdouble scaling_factor = 1.0;
78 
79  if (self->interface_settings != nullptr) {
80  scaling_factor = g_settings_get_double(self->interface_settings,
82  }
83  return scaling_factor;
84 }
85 
86 static void fl_gnome_settings_set_interface_settings(FlGnomeSettings* self,
87  GSettings* settings) {
88  g_return_if_fail(G_IS_SETTINGS(settings));
89 
90  g_signal_connect_object(settings, "changed::clock-format",
91  G_CALLBACK(fl_settings_emit_changed), self,
92  G_CONNECT_SWAPPED);
93  g_signal_connect_object(settings, "changed::gtk-theme",
94  G_CALLBACK(fl_settings_emit_changed), self,
95  G_CONNECT_SWAPPED);
96  g_signal_connect_object(settings, "changed::text-scaling-factor",
97  G_CALLBACK(fl_settings_emit_changed), self,
98  G_CONNECT_SWAPPED);
99 
100  self->interface_settings = G_SETTINGS(g_object_ref(settings));
101 }
102 
103 static void fl_gnome_settings_set_property(GObject* object,
104  guint prop_id,
105  const GValue* value,
106  GParamSpec* pspec) {
107  FlGnomeSettings* self = FL_GNOME_SETTINGS(object);
108  switch (prop_id) {
111  self, G_SETTINGS(g_value_get_object(value)));
112  break;
113  default:
114  G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
115  break;
116  }
117 }
118 
119 static void fl_gnome_settings_dispose(GObject* object) {
120  FlGnomeSettings* self = FL_GNOME_SETTINGS(object);
121 
122  g_clear_object(&self->interface_settings);
123 
124  G_OBJECT_CLASS(fl_gnome_settings_parent_class)->dispose(object);
125 }
126 
127 static void fl_gnome_settings_class_init(FlGnomeSettingsClass* klass) {
128  GObjectClass* object_class = G_OBJECT_CLASS(klass);
129  object_class->dispose = fl_gnome_settings_dispose;
130  object_class->set_property = fl_gnome_settings_set_property;
131 
132  g_object_class_install_property(
133  object_class, kPropInterfaceSettings,
134  g_param_spec_object(
136  g_settings_get_type(),
137  static_cast<GParamFlags>(G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
138  G_PARAM_STATIC_STRINGS)));
139 }
140 
141 static void fl_gnome_settings_iface_init(FlSettingsInterface* iface) {
142  iface->get_clock_format = fl_gnome_settings_get_clock_format;
143  iface->get_color_scheme = fl_gnome_settings_get_color_scheme;
144  iface->get_enable_animations = fl_gnome_settings_get_enable_animations;
145  iface->get_high_contrast = fl_gnome_settings_get_high_contrast;
146  iface->get_text_scaling_factor = fl_gnome_settings_get_text_scaling_factor;
147 }
148 
149 static void fl_gnome_settings_init(FlGnomeSettings* self) {}
150 
151 static GSettings* create_settings(const gchar* schema_id) {
152  GSettings* settings = nullptr;
153  GSettingsSchemaSource* source = g_settings_schema_source_get_default();
154  if (source != nullptr) {
155  g_autoptr(GSettingsSchema) schema =
156  g_settings_schema_source_lookup(source, schema_id, TRUE);
157  if (schema != nullptr) {
158  settings = g_settings_new_full(schema, nullptr, nullptr);
159  }
160  }
161  return settings;
162 }
163 
164 FlSettings* fl_gnome_settings_new() {
165  g_autoptr(GSettings) interface_settings =
167  return FL_SETTINGS(g_object_new(fl_gnome_settings_get_type(),
168  kInterfaceSettings, interface_settings,
169  nullptr));
170 }
prop_id
guint prop_id
Definition: fl_standard_method_codec.cc:31
fl_gnome_settings_get_color_scheme
static FlColorScheme fl_gnome_settings_get_color_scheme(FlSettings *settings)
Definition: fl_gnome_settings.cc:50
fl_gnome_settings_get_text_scaling_factor
static gdouble fl_gnome_settings_get_text_scaling_factor(FlSettings *settings)
Definition: fl_gnome_settings.cc:74
kDesktopClockFormatKey
static constexpr char kDesktopClockFormatKey[]
Definition: fl_gnome_settings.cc:12
G_DEFINE_TYPE_WITH_CODE
G_DEFINE_TYPE_WITH_CODE(FlGnomeSettings, fl_gnome_settings, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE(fl_settings_get_type(), fl_gnome_settings_iface_init)) static FlClockFormat fl_gnome_settings_get_clock_format(FlSettings *settings)
Definition: fl_gnome_settings.cc:29
kDesktopInterfaceSchema
static constexpr char kDesktopInterfaceSchema[]
Definition: fl_gnome_settings.cc:10
_FlGnomeSettings::parent_instance
GObject parent_instance
Definition: fl_gnome_settings.cc:20
fl_gnome_settings_iface_init
static void fl_gnome_settings_iface_init(FlSettingsInterface *iface)
Definition: fl_gnome_settings.cc:141
fl_gnome_settings_set_interface_settings
static void fl_gnome_settings_set_interface_settings(FlGnomeSettings *self, GSettings *settings)
Definition: fl_gnome_settings.cc:86
FL_CLOCK_FORMAT_12H
@ FL_CLOCK_FORMAT_12H
Definition: fl_settings.h:23
FL_CLOCK_FORMAT_24H
@ FL_CLOCK_FORMAT_24H
Definition: fl_settings.h:24
kPropLast
@ kPropLast
Definition: fl_gnome_settings.cc:25
pspec
guint const GValue GParamSpec * pspec
Definition: fl_standard_method_codec.cc:33
fl_gnome_settings_get_high_contrast
static gboolean fl_gnome_settings_get_high_contrast(FlSettings *settings)
Definition: fl_gnome_settings.cc:70
fl_gnome_settings_new
FlSettings * fl_gnome_settings_new()
Definition: fl_gnome_settings.cc:164
fl_gnome_settings_class_init
static void fl_gnome_settings_class_init(FlGnomeSettingsClass *klass)
Definition: fl_gnome_settings.cc:127
fl_gnome_settings.h
FlColorScheme
FlColorScheme
Definition: fl_settings.h:35
kGtkThemeDarkSuffix
static constexpr char kGtkThemeDarkSuffix[]
Definition: fl_gnome_settings.cc:16
_FlGnomeSettings
Definition: fl_gnome_settings.cc:19
fl_settings_emit_changed
void fl_settings_emit_changed(FlSettings *self)
Definition: fl_settings.cc:50
TRUE
return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
kPropInterfaceSettings
@ kPropInterfaceSettings
Definition: fl_gnome_settings.cc:25
kInterfaceSettings
static constexpr char kInterfaceSettings[]
Definition: fl_gnome_settings.cc:17
create_settings
static GSettings * create_settings(const gchar *schema_id)
Definition: fl_gnome_settings.cc:151
_FlGnomeSettings::interface_settings
GSettings * interface_settings
Definition: fl_gnome_settings.cc:22
FL_COLOR_SCHEME_LIGHT
@ FL_COLOR_SCHEME_LIGHT
Definition: fl_settings.h:37
kDesktopGtkThemeKey
static constexpr char kDesktopGtkThemeKey[]
Definition: fl_gnome_settings.cc:13
kDesktopTextScalingFactorKey
static constexpr char kDesktopTextScalingFactorKey[]
Definition: fl_gnome_settings.cc:11
FL_COLOR_SCHEME_DARK
@ FL_COLOR_SCHEME_DARK
Definition: fl_settings.h:38
fl_gnome_settings_dispose
static void fl_gnome_settings_dispose(GObject *object)
Definition: fl_gnome_settings.cc:119
kProp0
@ kProp0
Definition: fl_gnome_settings.cc:25
fl_gnome_settings_set_property
static void fl_gnome_settings_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
Definition: fl_gnome_settings.cc:103
fl_gnome_settings_init
static void fl_gnome_settings_init(FlGnomeSettings *self)
Definition: fl_gnome_settings.cc:149
FlClockFormat
FlClockFormat
Definition: fl_settings.h:21
value
uint8_t value
Definition: fl_standard_message_codec.cc:36
kClockFormat12Hour
static constexpr char kClockFormat12Hour[]
Definition: fl_gnome_settings.cc:15
fl_gnome_settings_get_enable_animations
static gboolean fl_gnome_settings_get_enable_animations(FlSettings *settings)
Definition: fl_gnome_settings.cc:66