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// 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 glib::object::IsA; use glib::translate::*; use std::fmt; use std::ptr; glib::wrapper! { /// [`Icon`][crate::Icon] is a very minimal interface for icons. It provides functions /// for checking the equality of two icons, hashing of icons and /// serializing an icon to and from strings. /// /// [`Icon`][crate::Icon] does not provide the actual pixmap for the icon as this is out /// of GIO's scope, however implementations of [`Icon`][crate::Icon] may contain the name /// of an icon (see [`ThemedIcon`][crate::ThemedIcon]), or the path to an icon (see [`LoadableIcon`][crate::LoadableIcon]). /// /// To obtain a hash of a [`Icon`][crate::Icon], see `g_icon_hash()`. /// /// To check if two `GIcons` are equal, see `g_icon_equal()`. /// /// For serializing a [`Icon`][crate::Icon], use [`IconExt::serialize()`][crate::prelude::IconExt::serialize()] and /// [`deserialize()`][Self::deserialize()]. /// /// If you want to consume [`Icon`][crate::Icon] (for example, in a toolkit) you must /// be prepared to handle at least the three following cases: /// [`LoadableIcon`][crate::LoadableIcon], [`ThemedIcon`][crate::ThemedIcon] and [`EmblemedIcon`][crate::EmblemedIcon]. It may also make /// sense to have fast-paths for other cases (like handling `GdkPixbuf` /// directly, for example) but all compliant [`Icon`][crate::Icon] implementations /// outside of GIO must implement [`LoadableIcon`][crate::LoadableIcon]. /// /// If your application or library provides one or more [`Icon`][crate::Icon] /// implementations you need to ensure that your new implementation also /// implements [`LoadableIcon`][crate::LoadableIcon]. Additionally, you must provide an /// implementation of [`IconExt::serialize()`][crate::prelude::IconExt::serialize()] that gives a result that is /// understood by [`deserialize()`][Self::deserialize()], yielding one of the built-in icon /// types. /// /// # Implements /// /// [`IconExt`][trait@crate::prelude::IconExt] #[doc(alias = "GIcon")] pub struct Icon(Interface<ffi::GIcon, ffi::GIconIface>); match fn { type_ => || ffi::g_icon_get_type(), } } impl Icon { /// Deserializes a [`Icon`][crate::Icon] previously serialized using [`IconExt::serialize()`][crate::prelude::IconExt::serialize()]. /// ## `value` /// a [`glib::Variant`][crate::glib::Variant] created with [`IconExt::serialize()`][crate::prelude::IconExt::serialize()] /// /// # Returns /// /// a [`Icon`][crate::Icon], or [`None`] when deserialization fails. #[doc(alias = "g_icon_deserialize")] pub fn deserialize(value: &glib::Variant) -> Option<Icon> { unsafe { from_glib_full(ffi::g_icon_deserialize(value.to_glib_none().0)) } } /// Gets a hash for an icon. /// ## `icon` /// `gconstpointer` to an icon object. /// /// # Returns /// /// a `guint` containing a hash for the `icon`, suitable for /// use in a `GHashTable` or similar data structure. #[doc(alias = "g_icon_hash")] pub fn hash(&self) -> u32 { unsafe { ffi::g_icon_hash( ToGlibPtr::<*mut ffi::GIcon>::to_glib_none(self).0 as glib::ffi::gconstpointer, ) } } /// Generate a [`Icon`][crate::Icon] instance from `str`. This function can fail if /// `str` is not valid - see [`IconExt::to_string()`][crate::prelude::IconExt::to_string()] for discussion. /// /// If your application or library provides one or more [`Icon`][crate::Icon] /// implementations you need to ensure that each `GType` is registered /// with the type system prior to calling [`for_string()`][Self::for_string()]. /// ## `str` /// A string obtained via [`IconExt::to_string()`][crate::prelude::IconExt::to_string()]. /// /// # Returns /// /// An object implementing the [`Icon`][crate::Icon] /// interface or [`None`] if `error` is set. #[doc(alias = "g_icon_new_for_string")] #[doc(alias = "new_for_string")] pub fn for_string(str: &str) -> Result<Icon, glib::Error> { unsafe { let mut error = ptr::null_mut(); let ret = ffi::g_icon_new_for_string(str.to_glib_none().0, &mut error); if error.is_null() { Ok(from_glib_full(ret)) } else { Err(from_glib_full(error)) } } } } pub const NONE_ICON: Option<&Icon> = None; /// Trait containing all [`struct@Icon`] methods. /// /// # Implementors /// /// [`BytesIcon`][struct@crate::BytesIcon], [`Emblem`][struct@crate::Emblem], [`EmblemedIcon`][struct@crate::EmblemedIcon], [`FileIcon`][struct@crate::FileIcon], [`Icon`][struct@crate::Icon], [`LoadableIcon`][struct@crate::LoadableIcon], [`ThemedIcon`][struct@crate::ThemedIcon] pub trait IconExt: 'static { /// Checks if two icons are equal. /// ## `icon2` /// pointer to the second [`Icon`][crate::Icon]. /// /// # Returns /// /// [`true`] if `self` is equal to `icon2`. [`false`] otherwise. #[doc(alias = "g_icon_equal")] fn equal<P: IsA<Icon>>(&self, icon2: Option<&P>) -> bool; /// Serializes a [`Icon`][crate::Icon] into a [`glib::Variant`][crate::glib::Variant]. An equivalent [`Icon`][crate::Icon] can be retrieved /// back by calling [`Icon::deserialize()`][crate::Icon::deserialize()] on the returned value. /// As serialization will avoid using raw icon data when possible, it only /// makes sense to transfer the [`glib::Variant`][crate::glib::Variant] between processes on the same machine, /// (as opposed to over the network), and within the same file system namespace. /// /// # Returns /// /// a [`glib::Variant`][crate::glib::Variant], or [`None`] when serialization fails. The [`glib::Variant`][crate::glib::Variant] will not be floating. #[doc(alias = "g_icon_serialize")] fn serialize(&self) -> Option<glib::Variant>; /// Generates a textual representation of `self` that can be used for /// serialization such as when passing `self` to a different process or /// saving it to persistent storage. Use [`Icon::for_string()`][crate::Icon::for_string()] to /// get `self` back from the returned string. /// /// The encoding of the returned string is proprietary to [`Icon`][crate::Icon] except /// in the following two cases /// /// - If `self` is a [`FileIcon`][crate::FileIcon], the returned string is a native path /// (such as `/path/to/my icon.png`) without escaping /// if the [`File`][crate::File] for `self` is a native file. If the file is not /// native, the returned string is the result of [`FileExt::uri()`][crate::prelude::FileExt::uri()] /// (such as `sftp://path/to/my`20icon``). /// /// - If `self` is a [`ThemedIcon`][crate::ThemedIcon] with exactly one name and no fallbacks, /// the encoding is simply the name (such as `network-server`). /// /// # Returns /// /// An allocated NUL-terminated UTF8 string or /// [`None`] if `self` can't be serialized. Use `g_free()` to free. #[doc(alias = "g_icon_to_string")] fn to_string(&self) -> Option<glib::GString>; } impl<O: IsA<Icon>> IconExt for O { fn equal<P: IsA<Icon>>(&self, icon2: Option<&P>) -> bool { unsafe { from_glib(ffi::g_icon_equal( self.as_ref().to_glib_none().0, icon2.map(|p| p.as_ref()).to_glib_none().0, )) } } fn serialize(&self) -> Option<glib::Variant> { unsafe { from_glib_full(ffi::g_icon_serialize(self.as_ref().to_glib_none().0)) } } fn to_string(&self) -> Option<glib::GString> { unsafe { from_glib_full(ffi::g_icon_to_string(self.as_ref().to_glib_none().0)) } } } impl fmt::Display for Icon { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { f.write_str("Icon") } }