gtk-rs · sdroege · Dec 5, 2022 · Nov 17, 2022 · Nov 18, 2022 · Dec 4, 2022
diff --git a/cairo/Cargo.toml b/cairo/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The gtk-rs Project Developers"]
 keywords = ["cairo", "gtk-rs", "gnome", "GUI"]
 readme = "README.md"
 documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/cairo/"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the Cairo library"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 edition = "2021"

diff --git a/cairo/sys/Cargo.toml b/cairo/sys/Cargo.toml
@@ -4,7 +4,7 @@ license = "MIT"
 authors = ["The gtk-rs Project Developers"]
 homepage = "https://gtk-rs.org/"
 description = "FFI bindings to libcairo"
-version = "0.16.4"
+version = "0.16.5"
 keywords = ["cairo", "ffi", "gtk-rs", "gnome"]
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 build = "build.rs"

diff --git a/gdk-pixbuf/Cargo.toml b/gdk-pixbuf/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The gtk-rs Project Developers"]
 keywords = ["gdk-pixbuf", "gtk-rs", "gnome"]
 readme = "README.md"
 documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/gdk_pixbuf/"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the GdkPixbuf library"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 exclude = [

diff --git a/gdk-pixbuf/sys/Cargo.toml b/gdk-pixbuf/sys/Cargo.toml
@@ -40,7 +40,7 @@ keywords = ["gdk-pixbuf", "ffi", "gtk-rs", "gnome"]
 license = "MIT"
 name = "gdk-pixbuf-sys"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
-version = "0.16.4"
+version = "0.16.5"
 edition = "2021"
 rust-version = "1.63"
 [package.metadata.docs.rs]

diff --git a/gio/Cargo.toml b/gio/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The gtk-rs Project Developers"]
 keywords = ["glib", "gio", "gtk-rs", "gnome"]
 readme = "README.md"
 documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/gio/"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the Gio library"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 exclude = [

diff --git a/gio/sys/Cargo.toml b/gio/sys/Cargo.toml
@@ -45,7 +45,7 @@ keywords = ["gio", "ffi", "gtk-rs", "gnome"]
 license = "MIT"
 name = "gio-sys"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
-version = "0.16.4"
+version = "0.16.5"
 edition = "2021"
 rust-version = "1.63"
 [package.metadata.docs.rs]

diff --git a/glib-build-tools/Cargo.toml b/glib-build-tools/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The gtk-rs Project Developers"]
 keywords = ["glib", "gio", "gtk-rs", "gnome", "build-dependencies"]
 readme = "README.md"
 documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/glib-build-tools"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the Gio library, build script utils crate"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 edition = "2021"

diff --git a/glib-macros/Cargo.toml b/glib-macros/Cargo.toml
@@ -4,7 +4,7 @@ documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/glib_macros/"
 homepage = "https://gtk-rs.org/"
 authors = ["The gtk-rs Project Developers"]
 description = "Rust bindings for the GLib library, proc macros crate"
-version = "0.16.4"
+version = "0.16.5"
 keywords = ["glib", "gtk-rs", "gnome", "GUI"]
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 license = "MIT"

diff --git a/glib/Cargo.toml b/glib/Cargo.toml
@@ -5,7 +5,7 @@ homepage = "https://gtk-rs.org/"
 authors = ["The gtk-rs Project Developers"]
 description = "Rust bindings for the GLib library"
 readme = "README.md"
-version = "0.16.4"
+version = "0.16.5"
 keywords = ["glib", "gtk-rs", "gnome", "GUI"]
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 license = "MIT"

diff --git a/glib/gobject-sys/Cargo.toml b/glib/gobject-sys/Cargo.toml
@@ -35,7 +35,7 @@ keywords = ["gobject", "ffi", "gtk-rs", "gnome"]
 license = "MIT"
 name = "gobject-sys"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
-version = "0.16.4"
+version = "0.16.5"
 edition = "2021"
 rust-version = "1.63"
 [package.metadata.docs.rs]

diff --git a/glib/src/lib.rs b/glib/src/lib.rs
@@ -29,8 +29,8 @@ pub use self::bytes::Bytes;
 pub use self::closure::{Closure, RustClosure};
 pub use self::error::{BoolError, Error};
 pub use self::object::{
-    BorrowedObject, Cast, Class, InitiallyUnowned, Interface, IsA, Object, ObjectExt, ObjectType,
-    SendWeakRef, WeakRef,
+    BorrowedObject, Cast, CastNone, Class, InitiallyUnowned, Interface, IsA, Object, ObjectExt,
+    ObjectType, SendWeakRef, WeakRef,
 };
 pub use self::signal::{
     signal_handler_block, signal_handler_disconnect, signal_handler_unblock,

diff --git a/glib/src/object.rs b/glib/src/object.rs
@@ -288,6 +288,79 @@ pub trait Cast: ObjectType {
 
 impl<T: ObjectType> Cast for T {}
 
+// rustdoc-stripper-ignore-next
+/// Convenience trait mirroring `Cast`, implemented on `Option<Object>` types.
+///
+/// # Warning
+/// Inveitably this trait will discard informations about a downcast failure:
+/// you don't know if the object was not of the expected type, or if it was `None`.
+/// If you need to handle the downcast error, use `Cast` over a `glib::Object`.
+///
+/// # Example
+/// ```ignore
+/// let widget: Option<Widget> = list_item.child();
+///
+/// // Without using `CastNone`
+/// let label = widget.unwrap().downcast::<gtk::Label>().unwrap();
+///
+/// // Using `CastNone` we can avoid the first `unwrap()` call
+/// let label = widget.and_downcast::<gtk::Label>().unwrap();
+/// ````
+pub trait CastNone: Sized {
+    type Inner;
+    fn and_downcast<T: ObjectType>(self) -> Option<T>
+    where
+        Self::Inner: CanDowncast<T>;
+    fn and_downcast_ref<T: ObjectType>(&self) -> Option<&T>
+    where
+        Self::Inner: CanDowncast<T>;
+    fn and_upcast<T: ObjectType>(self) -> Option<T>
+    where
+        Self::Inner: IsA<T>;
+    fn and_upcast_ref<T: ObjectType>(&self) -> Option<&T>
+    where
+        Self::Inner: IsA<T>;
+    fn and_dynamic_cast<T: ObjectType>(self) -> Result<T, Self>;
+    fn and_dynamic_cast_ref<T: ObjectType>(&self) -> Option<&T>;
+}
+impl<I: ObjectType + Sized> CastNone for Option<I> {
+    type Inner = I;
+
+    fn and_downcast<T: ObjectType>(self) -> Option<T>
+    where
+        Self::Inner: CanDowncast<T>,
+    {
+        self.and_then(|i| i.downcast().ok())
+    }
+
+    fn and_downcast_ref<T: ObjectType>(&self) -> Option<&T>
+    where
+        Self::Inner: CanDowncast<T>,
+    {
+        self.as_ref().and_then(|i| i.downcast_ref())
+    }
+    fn and_upcast<T: ObjectType>(self) -> Option<T>
+    where
+        Self::Inner: IsA<T>,
+    {
+        self.map(|i| i.upcast())
+    }
+
+    fn and_upcast_ref<T: ObjectType>(&self) -> Option<&T>
+    where
+        Self::Inner: IsA<T>,
+    {
+        self.as_ref().map(|i| i.upcast_ref())
+    }
+    fn and_dynamic_cast<T: ObjectType>(self) -> Result<T, Self> {
+        self.ok_or(None)
+            .and_then(|i| i.dynamic_cast().map_err(|e| Some(e)))
+    }
+    fn and_dynamic_cast_ref<T: ObjectType>(&self) -> Option<&T> {
+        self.as_ref().and_then(|i| i.dynamic_cast_ref())
+    }
+}
+
 // rustdoc-stripper-ignore-next
 /// Marker trait for the statically known possibility of downcasting from `Self` to `T`.
 pub trait CanDowncast<T> {}

diff --git a/glib/src/prelude.rs b/glib/src/prelude.rs
@@ -5,6 +5,6 @@
 
 pub use crate::param_spec::ParamSpecBuilderExt;
 pub use crate::{
-    Cast, Continue, IsA, ObjectExt, ObjectType, ParamSpecType, StaticType, StaticTypeExt,
+    Cast, CastNone, Continue, IsA, ObjectExt, ObjectType, ParamSpecType, StaticType, StaticTypeExt,
     StaticVariantType, ToSendValue, ToValue, ToVariant,
 };
diff --git a/glib/sys/Cargo.toml b/glib/sys/Cargo.toml
@@ -32,7 +32,7 @@ keywords = ["glib", "ffi", "gtk-rs", "gnome"]
 license = "MIT"
 name = "glib-sys"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
-version = "0.16.4"
+version = "0.16.5"
 edition = "2021"
 rust-version = "1.63"
 [package.metadata.docs.rs]

diff --git a/graphene/Cargo.toml b/graphene/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["The gtk-rs Project Developers"]
 keywords = ["graphene", "graphene-rs", "gtk-rs", "gnome", "GUI"]
 readme = "README.md"
 documentation = "https://gtk-rs.org/gtk-rs-core/stable/latest/docs/graphene/"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the Graphene library"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 exclude = [

diff --git a/graphene/sys/Cargo.toml b/graphene/sys/Cargo.toml
@@ -29,7 +29,7 @@ keywords = ["graphene", "ffi", "gtk-rs", "gnome"]
 license = "MIT"
 name = "graphene-sys"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
-version = "0.16.4"
+version = "0.16.5"
 edition = "2021"
 rust-version = "1.63"
 [package.metadata.docs.rs]

diff --git a/pango/Cargo.toml b/pango/Cargo.toml
@@ -5,7 +5,7 @@ homepage = "https://gtk-rs.org/"
 authors = ["The gtk-rs Project Developers"]
 keywords = ["pango", "gtk-rs", "gnome"]
 readme = "README.md"
-version = "0.16.4"
+version = "0.16.5"
 description = "Rust bindings for the Pango library"
 repository = "https://github.com/gtk-rs/gtk-rs-core"
 license = "MIT"

diff --git a/pango/Gir.toml b/pango/Gir.toml
@@ -69,7 +69,6 @@ manual = [
     "Pango.Coverage",
     "Pango.GlyphGeometry",
     "Pango.GlyphInfo",
-    "Pango.Language",
     "Pango.LayoutDeserializeError",
     "Pango.Rectangle",
 ]
@@ -332,6 +331,26 @@ concurrency = "send+sync"
         name = "glyphs"
         const = true
 
+[[object]]
+name = "Pango.Language"
+status = "generate"
+    [[object.function]]
+    pattern = "get_(scripts|preferred)"
+    manual = true # probably needs annotation fixes upstream (array zero-terminated=1)
+    [[object.function]]
+    pattern = "(get_sample_string|includes_script|matches|to_string)"
+        [[object.function.parameter]]
+        name = "language"
+        const = true
+    [[object.function]]
+    name = "from_string"
+    # This only returns NULL when passing NULL
+        [[object.function.parameter]]
+        name = "language"
+        nullable = false
+        [object.function.return]
+        nullable = false
+
 [[object]]
 name = "Pango.Layout"
 status = "generate"

diff --git a/pango/src/attr_language.rs b/pango/src/attr_language.rs
@@ -8,7 +8,11 @@ define_attribute_struct!(AttrLanguage, ffi::PangoAttrLanguage, &[AttrType::Langu
 impl AttrLanguage {
     #[doc(alias = "pango_attr_language_new")]
     pub fn new(language: &Language) -> Self {
-        unsafe { from_glib_full(ffi::pango_attr_language_new(language.to_glib_none().0)) }
+        unsafe {
+            from_glib_full(ffi::pango_attr_language_new(mut_override(
+                language.to_glib_none().0,
+            )))
+        }
     }
 
     pub fn value(&self) -> Language {

diff --git a/pango/src/auto/language.rs b/pango/src/auto/language.rs
@@ -0,0 +1,79 @@
+// This file was generated by gir (https://github.com/gtk-rs/gir)
+// from gir-files (https://github.com/gtk-rs/gir-files)
+// DO NOT EDIT
+
+use crate::Script;
+use glib::translate::*;
+use std::fmt;
+
+glib::wrapper! {
+    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+    pub struct Language(Boxed<ffi::PangoLanguage>);
+
+    match fn {
+        copy => |ptr| glib::gobject_ffi::g_boxed_copy(ffi::pango_language_get_type(), ptr as *mut _) as *mut ffi::PangoLanguage,
+        free => |ptr| glib::gobject_ffi::g_boxed_free(ffi::pango_language_get_type(), ptr as *mut _),
+        type_ => || ffi::pango_language_get_type(),
+    }
+}
+
+impl Language {
+    #[doc(alias = "pango_language_get_sample_string")]
+    #[doc(alias = "get_sample_string")]
+    pub fn sample_string(&self) -> glib::GString {
+        unsafe {
+            from_glib_none(ffi::pango_language_get_sample_string(mut_override(
+                self.to_glib_none().0,
+            )))
+        }
+    }
+
+    #[doc(alias = "pango_language_includes_script")]
+    pub fn includes_script(&self, script: Script) -> bool {
+        unsafe {
+            from_glib(ffi::pango_language_includes_script(
+                mut_override(self.to_glib_none().0),
+                script.into_glib(),
+            ))
+        }
+    }
+
+    #[doc(alias = "pango_language_matches")]
+    pub fn matches(&self, range_list: &str) -> bool {
+        unsafe {
+            from_glib(ffi::pango_language_matches(
+                mut_override(self.to_glib_none().0),
+                range_list.to_glib_none().0,
+            ))
+        }
+    }
+
+    #[doc(alias = "pango_language_to_string")]
+    #[doc(alias = "to_string")]
+    pub fn to_str(&self) -> glib::GString {
+        unsafe {
+            from_glib_none(ffi::pango_language_to_string(mut_override(
+                self.to_glib_none().0,
+            )))
+        }
+    }
+
+    #[doc(alias = "pango_language_from_string")]
+    pub fn from_string(language: &str) -> Language {
+        unsafe { from_glib_none(ffi::pango_language_from_string(language.to_glib_none().0)) }
+    }
+
+    #[doc(alias = "pango_language_get_default")]
+    #[doc(alias = "get_default")]
+    #[allow(clippy::should_implement_trait)]
+    pub fn default() -> Language {
+        unsafe { from_glib_none(ffi::pango_language_get_default()) }
+    }
+}
+
+impl fmt::Display for Language {
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.write_str(&self.to_str())
+    }
+}
diff --git a/pango/src/auto/mod.rs b/pango/src/auto/mod.rs
@@ -53,6 +53,9 @@ pub use self::glyph_string::GlyphString;
 mod item;
 pub use self::item::Item;
 
+mod language;
+pub use self::language::Language;
+
 mod layout_iter;
 pub use self::layout_iter::LayoutIter;