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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
// Take a look at the license at the top of the repository in the LICENSE file.

#![allow(clippy::needless_doctest_main)]
// rustdoc-stripper-ignore-next
//! Module containing infrastructure for subclassing `GObject`s and registering boxed types.
//!
//! # Example for registering a `glib::Object` subclass
//!
//! The following code implements a subclass of `glib::Object` with a
//! string-typed "name" property.
//!
//! ```rust
//! use glib::prelude::*;
//! use glib::subclass;
//! use glib::subclass::prelude::*;
//! use glib::{Variant, VariantType};
//!
//! use std::cell::{Cell, RefCell};
//!
//! #[derive(Debug, Eq, PartialEq, Clone, Copy, glib::Enum)]
//! #[repr(u32)]
//! // type_name: GType name of the enum (mandatory)
//! #[enum_type(name = "SimpleObjectAnimal")]
//! enum Animal {
//!     Goat = 0,
//!     #[enum_value(name = "The Dog")]
//!     Dog = 1,
//!     // name: the name of the GEnumValue (optional), default to the enum name in CamelCase
//!     // nick: the nick of the GEnumValue (optional), default to the enum name in kebab-case
//!     #[enum_value(name = "The Cat", nick = "chat")]
//!     Cat = 2,
//! }
//!
//! impl Default for Animal {
//!     fn default() -> Self {
//!         Animal::Goat
//!     }
//! }
//!
//! #[glib::flags(name = "MyFlags")]
//! enum MyFlags {
//!     #[flags_value(name = "Flag A", nick = "nick-a")]
//!     A = 0b00000001,
//!     #[flags_value(name = "Flag B")]
//!     B = 0b00000010,
//!     #[flags_value(skip)]
//!     AB = Self::A.bits() | Self::B.bits(),
//!     C = 0b00000100,
//! }
//!
//! impl Default for MyFlags {
//!     fn default() -> Self {
//!         MyFlags::A
//!     }
//! }
//!
//! mod imp {
//!     use super::*;
//!
//!     // This is the struct containing all state carried with
//!     // the new type. Generally this has to make use of
//!     // interior mutability.
//!     // If it implements the `Default` trait, then `Self::default()`
//!     // will be called every time a new instance is created.
//!     #[derive(Default)]
//!     pub struct SimpleObject {
//!         name: RefCell<Option<String>>,
//!         animal: Cell<Animal>,
//!         flags: Cell<MyFlags>,
//!         variant: RefCell<Option<Variant>>,
//!     }
//!
//!     // ObjectSubclass is the trait that defines the new type and
//!     // contains all information needed by the GObject type system,
//!     // including the new type's name, parent type, etc.
//!     // If you do not want to implement `Default`, you can provide
//!     // a `new()` method.
//!     #[glib::object_subclass]
//!     impl ObjectSubclass for SimpleObject {
//!         // This type name must be unique per process.
//!         const NAME: &'static str = "SimpleObject";
//!
//!         type Type = super::SimpleObject;
//!
//!         // The parent type this one is inheriting from.
//!         // Optional, if not specified it defaults to `glib::Object`
//!         type ParentType = glib::Object;
//!
//!         // Interfaces this type implements.
//!         // Optional, if not specified it defaults to `()`
//!         type Interfaces = ();
//!     }
//!
//!     // Trait that is used to override virtual methods of glib::Object.
//!     impl ObjectImpl for SimpleObject {
//!         // Called once in the very beginning to list all properties of this class.
//!         fn properties() -> &'static [glib::ParamSpec] {
//!             use std::sync::OnceLock;
//!             static PROPERTIES: OnceLock<Vec<glib::ParamSpec>> = OnceLock::new();
//!             PROPERTIES.get_or_init(|| {
//!                 vec![
//!                     glib::ParamSpecString::builder("name")
//!                         .build(),
//!                     glib::ParamSpecEnum::builder::<Animal>("animal")
//!                         .build(),
//!                     glib::ParamSpecFlags::builder::<MyFlags>("flags")
//!                         .build(),
//!                     glib::ParamSpecVariant::builder("variant", glib::VariantTy::ANY)
//!                         .build(),
//!                 ]
//!             })
//!         }
//!
//!         // Called whenever a property is set on this instance. The id
//!         // is the same as the index of the property in the PROPERTIES array.
//!         fn set_property(&self, _id: usize, value: &glib::Value, pspec: &glib::ParamSpec) {
//!             match pspec.name() {
//!                 "name" => {
//!                     let name = value
//!                         .get()
//!                         .expect("type conformity checked by `Object::set_property`");
//!                     self.name.replace(name);
//!                 },
//!                 "animal" => {
//!                     let animal = value
//!                         .get()
//!                         .expect("type conformity checked by `Object::set_property`");
//!                     self.animal.replace(animal);
//!                 },
//!                 "flags" => {
//!                     let flags = value
//!                         .get()
//!                         .expect("type conformity checked by `Object::set_property`");
//!                     self.flags.replace(flags);
//!                 },
//!                 "variant" => {
//!                     let variant = value
//!                         .get()
//!                         .expect("type conformity checked by `Object::set_property`");
//!                     self.variant.replace(variant);
//!                 },
//!                 _ => unimplemented!(),
//!             }
//!         }
//!
//!         // Called whenever a property is retrieved from this instance. The id
//!         // is the same as the index of the property in the PROPERTIES array.
//!         fn property(&self, _id: usize, pspec: &glib::ParamSpec) -> glib::Value {
//!             match pspec.name() {
//!                 "name" => self.name.borrow().to_value(),
//!                 "animal" => self.animal.get().to_value(),
//!                 "flags" => self.flags.get().to_value(),
//!                 "variant" => self.variant.borrow().to_value(),
//!                 _ => unimplemented!(),
//!             }
//!         }
//!
//!         // Called right after construction of the instance.
//!         fn constructed(&self) {
//!             // Chain up to the parent type's implementation of this virtual
//!             // method.
//!             self.parent_constructed();
//!
//!             // And here we could do our own initialization.
//!         }
//!     }
//! }
//!
//! // Optionally, define a wrapper type to make it more ergonomic to use from Rust
//! glib::wrapper! {
//!     pub struct SimpleObject(ObjectSubclass<imp::SimpleObject>);
//! }
//!
//! impl SimpleObject {
//!     // Create an object instance of the new type.
//!     pub fn new() -> Self {
//!         glib::Object::new()
//!     }
//! }
//!
//! pub fn main() {
//!     let obj = SimpleObject::new();
//!
//!     // Get the name property and change its value.
//!     assert_eq!(obj.property::<Option<String>>("name"), None);
//!     obj.set_property("name", "test");
//!     assert_eq!(&obj.property::<String>("name"), "test");
//!
//!     assert_eq!(obj.property::<Animal>("animal"), Animal::Goat);
//!     obj.set_property("animal", Animal::Cat);
//!     assert_eq!(obj.property::<Animal>("animal"), Animal::Cat);
//!
//!     assert_eq!(obj.property::<MyFlags>("flags"), MyFlags::A);
//!     obj.set_property("flags", MyFlags::B);
//!     assert_eq!(obj.property::<MyFlags>("flags"), MyFlags::B);
//! }
//! ```
//!
//! # Example for registering a `glib::Object` subclass within a module
//!
//! The following code implements a subclass of `glib::Object` and registers it as
//! a dynamic type.
//!
//! ```rust
//! use glib::prelude::*;
//! use glib::subclass::prelude::*;
//!
//! pub mod imp {
//!     use super::*;
//!
//!     // SimpleModuleObject is a dynamic type.
//!     #[derive(Default)]
//!     pub struct SimpleModuleObject;
//!
//!     #[glib::object_subclass]
//!     #[object_subclass_dynamic]
//!     impl ObjectSubclass for SimpleModuleObject {
//!         const NAME: &'static str = "SimpleModuleObject";
//!         type Type = super::SimpleModuleObject;
//!     }
//!
//!     impl ObjectImpl for SimpleModuleObject {}
//!
//!     // SimpleTypeModule is the type module within the object subclass is registered as a dynamic type.
//!     #[derive(Default)]
//!     pub struct SimpleTypeModule;
//!
//!     #[glib::object_subclass]
//!     impl ObjectSubclass for SimpleTypeModule {
//!         const NAME: &'static str = "SimpleTypeModule";
//!         type Type = super::SimpleTypeModule;
//!         type ParentType = glib::TypeModule;
//!         type Interfaces = (glib::TypePlugin,);
//!     }
//!
//!     impl ObjectImpl for SimpleTypeModule {}
//!
//!     impl TypeModuleImpl for SimpleTypeModule {
//!         /// Loads the module and registers the object subclass as a dynamic type.
//!         fn load(&self) -> bool {
//!             SimpleModuleObject::on_implementation_load(self.obj().upcast_ref::<glib::TypeModule>())
//!         }
//!
//!         /// Unloads the module.
//!         fn unload(&self) {
//!             SimpleModuleObject::on_implementation_unload(self.obj().upcast_ref::<glib::TypeModule>());
//!         }
//!     }
//!
//!     impl TypePluginImpl for SimpleTypeModule {}
//! }
//!
//! // Optionally, defines a wrapper type to make SimpleModuleObject more ergonomic to use from Rust.
//! glib::wrapper! {
//!     pub struct SimpleModuleObject(ObjectSubclass<imp::SimpleModuleObject>);
//! }
//!
//! // Optionally, defines a wrapper type to make SimpleTypeModule more ergonomic to use from Rust.
//! glib::wrapper! {
//!     pub struct SimpleTypeModule(ObjectSubclass<imp::SimpleTypeModule>)
//!     @extends glib::TypeModule, @implements glib::TypePlugin;
//! }
//!
//! impl SimpleTypeModule {
//!     // Creates an object instance of the new type.
//!     pub fn new() -> Self {
//!         glib::Object::new()
//!     }
//! }
//!
//! pub fn main() {
//!     let simple_type_module = SimpleTypeModule::new();
//!     // at this step, SimpleTypeModule has not been loaded therefore
//!     // SimpleModuleObject must not be registered yet.
//!     let simple_module_object_type = imp::SimpleModuleObject::type_();
//!     assert!(!simple_module_object_type.is_valid());
//!
//!     // simulates the GLib type system to load the module.
//!     TypeModuleExt::use_(&simple_type_module);
//!
//!     // at this step, SimpleModuleObject must have been registered.
//!     let simple_module_object_type = imp::SimpleModuleObject::type_();
//!     assert!(simple_module_object_type.is_valid());
//! }
//! ```
//!
//! # Example for registering a `glib::Object` subclass within a plugin
//!
//! The following code implements a subclass of `glib::Object` and registers it as
//! a dynamic type.
//!
//! ```rust
//! use glib::prelude::*;
//! use glib::subclass::prelude::*;
//!
//! pub mod imp {
//!     use super::*;
//!
//!     // SimplePluginObject is a dynamic type.
//!     #[derive(Default)]
//!     pub struct SimplePluginObject;
//!
//!     #[glib::object_subclass]
//!     #[object_subclass_dynamic(plugin_type = super::SimpleTypePlugin)]
//!     impl ObjectSubclass for SimplePluginObject {
//!         const NAME: &'static str = "SimplePluginObject";
//!         type Type = super::SimplePluginObject;
//!     }
//!
//!     impl ObjectImpl for SimplePluginObject {}
//!
//!     // SimpleTypePlugin is the type plugin within the object subclass is registered as a dynamic type.
//!     #[derive(Default)]
//!     pub struct SimpleTypePlugin {
//!         type_info: std::cell::Cell<Option<glib::TypeInfo>>
//!     }
//!
//!     #[glib::object_subclass]
//!     impl ObjectSubclass for SimpleTypePlugin {
//!         const NAME: &'static str = "SimpleTypePlugin";
//!         type Type = super::SimpleTypePlugin;
//!         type Interfaces = (glib::TypePlugin,);
//!     }
//!
//!     impl ObjectImpl for SimpleTypePlugin {}
//!
//!     impl TypePluginImpl for SimpleTypePlugin {
//!         /// Uses the plugin and registers the object subclass as a dynamic type.
//!         fn use_plugin(&self) {
//!             SimplePluginObject::on_implementation_load(self.obj().as_ref());
//!         }
//!
//!         /// Unuses the plugin.
//!         fn unuse_plugin(&self) {
//!             SimplePluginObject::on_implementation_unload(self.obj().as_ref());
//!         }
//!
//!         /// Returns type information about the object subclass registered as a dynamic type.
//!         fn complete_type_info(&self, _type_: glib::Type) -> (glib::TypeInfo, glib::TypeValueTable) {
//!             assert!(self.type_info.get().is_some());
//!             // returns type info.
//!             (self.type_info.get().unwrap(), glib::TypeValueTable::default())
//!         }
//!     }
//!
//!     impl TypePluginRegisterImpl for SimpleTypePlugin {
//!         fn register_dynamic_type(&self, parent_type: glib::Type, type_name: &str, type_info: &glib::TypeInfo, flags: glib::TypeFlags) -> glib::Type {
//!             let type_ = glib::Type::from_name(type_name).unwrap_or_else(|| {
//!                 glib::Type::register_dynamic(parent_type, type_name, self.obj().upcast_ref::<glib::TypePlugin>(), flags)
//!             });
//!             if type_.is_valid() {
//!                 // saves type info.
//!                 self.type_info.set(Some(*type_info));
//!             }
//!             type_
//!         }
//!     }
//! }
//!
//! // Optionally, defines a wrapper type to make SimplePluginObject more ergonomic to use from Rust.
//! glib::wrapper! {
//!     pub struct SimplePluginObject(ObjectSubclass<imp::SimplePluginObject>);
//! }
//!
//! // Optionally, defines a wrapper type to make SimpleTypePlugin more ergonomic to use from Rust.
//! glib::wrapper! {
//!     pub struct SimpleTypePlugin(ObjectSubclass<imp::SimpleTypePlugin>)
//!     @implements glib::TypePlugin;
//! }
//!
//! impl SimpleTypePlugin {
//!     // Creates an object instance of the new type.
//!     pub fn new() -> Self {
//!         glib::Object::new()
//!     }
//! }
//!
//! pub fn main() {
//!     let simple_type_plugin = SimpleTypePlugin::new();
//!     // at this step, SimpleTypePlugin has not been used therefore
//!     // SimplePluginObject must not be registered yet.
//!     let simple_plugin_object_type = imp::SimplePluginObject::type_();
//!     assert!(!simple_plugin_object_type.is_valid());
//!
//!     // simulates the GLib type system to use the plugin.
//!     TypePluginExt::use_(&simple_type_plugin);
//!
//!     // at this step, SimplePluginObject must have been registered.
//!     let simple_plugin_object_type = imp::SimplePluginObject::type_();
//!     assert!(simple_plugin_object_type.is_valid());
//! }
//! ```
//!
//!//! # Example for registering a boxed type for a Rust struct
//!
//! The following code boxed type for a tuple struct around `String` and uses it in combination
//! with `glib::Value`.
//!
//! ```rust
//! use glib::prelude::*;
//! use glib::subclass;
//! use glib::subclass::prelude::*;
//!
//! #[derive(Clone, Debug, PartialEq, Eq, glib::Boxed)]
//! #[boxed_type(name = "MyBoxed")]
//! struct MyBoxed(String);
//!
//! pub fn main() {
//!     assert!(MyBoxed::static_type().is_valid());
//!
//!     let b = MyBoxed(String::from("abc"));
//!     let v = b.to_value();
//!     let b2 = v.get::<&MyBoxed>().unwrap();
//!     assert_eq!(&b, b2);
//! }
//! ```

pub mod basic;
#[macro_use]
pub mod types;

#[macro_use]
pub mod interface;

#[macro_use]
pub mod object;

#[macro_use]
pub mod boxed;

pub mod shared;

pub mod signal;

mod object_impl_ref;
pub use object_impl_ref::{ObjectImplRef, ObjectImplWeakRef};

pub mod type_module;

pub mod type_plugin;

pub mod prelude {
    // rustdoc-stripper-ignore-next
    //! Prelude that re-exports all important traits from this crate.
    pub use super::{
        boxed::BoxedType,
        interface::{ObjectInterface, ObjectInterfaceExt, ObjectInterfaceType},
        object::{DerivedObjectProperties, ObjectClassSubclassExt, ObjectImpl, ObjectImplExt},
        shared::{RefCounted, SharedType},
        type_module::{TypeModuleImpl, TypeModuleImplExt},
        type_plugin::{TypePluginImpl, TypePluginImplExt, TypePluginRegisterImpl},
        types::{
            ClassStruct, InstanceStruct, InstanceStructExt, IsImplementable, IsSubclassable,
            IsSubclassableExt, ObjectSubclass, ObjectSubclassExt, ObjectSubclassIsExt,
            ObjectSubclassType,
        },
    };
}

pub use self::{
    boxed::register_boxed_type,
    interface::{register_dynamic_interface, register_interface},
    signal::{
        Signal, SignalClassHandlerToken, SignalId, SignalInvocationHint, SignalQuery, SignalType,
    },
    types::{register_dynamic_type, register_type, InitializingObject, InitializingType, TypeData},
};