Struct gdk4::ContentProvider
source · #[repr(transparent)]pub struct ContentProvider { /* private fields */ }
Expand description
A ContentProvider
is used to provide content for the clipboard or
for drag-and-drop operations in a number of formats.
To create a ContentProvider
, use for_value()
or for_bytes()
.
GDK knows how to handle common text and image formats out-of-the-box. See
ContentSerializer
and ContentDeserializer
if you want
to add support for application-specific data formats.
Properties
formats
The possible formats that the provider can provide its data in.
Readable
storable-formats
The subset of formats that clipboard managers should store this provider’s data in.
Readable
Signals
content-changed
Emitted whenever the content provided by this provider has changed.
Implements
Implementations§
source§impl ContentProvider
impl ContentProvider
pub const NONE: Option<&'static ContentProvider> = None
sourcepub fn for_bytes(mime_type: &str, bytes: &Bytes) -> ContentProvider
pub fn for_bytes(mime_type: &str, bytes: &Bytes) -> ContentProvider
Create a content provider that provides the given @bytes as data for the given @mime_type.
mime_type
the mime type
bytes
a GBytes
with the data for @mime_type
Returns
a new ContentProvider
sourcepub fn for_value(value: &Value) -> ContentProvider
pub fn for_value(value: &Value) -> ContentProvider
Create a content provider that provides the given @value.
value
a GValue
Returns
a new ContentProvider
sourcepub fn new_union(providers: &[ContentProvider]) -> ContentProvider
pub fn new_union(providers: &[ContentProvider]) -> ContentProvider
Creates a content provider that represents all the given @providers.
Whenever data needs to be written, the union provider will try the given @providers in the given order and the first one supporting a format will be chosen to provide it.
This allows an easy way to support providing data in different formats. For example, an image may be provided by its file and by the image contents with a call such as ⚠️ The following code is in c ⚠️
gdk_content_provider_new_union ((GdkContentProvider *[2]) {
gdk_content_provider_new_typed (G_TYPE_FILE, file),
gdk_content_provider_new_typed (G_TYPE_TEXTURE, texture)
}, 2);
providers
The ContentProvider
s to present the union of
Returns
a new ContentProvider
Trait Implementations§
source§impl Clone for ContentProvider
impl Clone for ContentProvider
source§impl Debug for ContentProvider
impl Debug for ContentProvider
source§impl Display for ContentProvider
impl Display for ContentProvider
source§impl HasParamSpec for ContentProvider
impl HasParamSpec for ContentProvider
type ParamSpec = ParamSpecObject
§type SetValue = ContentProvider
type SetValue = ContentProvider
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, ContentProvider>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for ContentProvider
impl Hash for ContentProvider
source§impl<T: ContentProviderImpl> IsSubclassable<T> for ContentProvider
impl<T: ContentProviderImpl> IsSubclassable<T> for ContentProvider
source§fn class_init(class: &mut Class<Self>)
fn class_init(class: &mut Class<Self>)
source§fn instance_init(instance: &mut InitializingObject<T>)
fn instance_init(instance: &mut InitializingObject<T>)
source§impl Ord for ContentProvider
impl Ord for ContentProvider
source§impl ParentClassIs for ContentProvider
impl ParentClassIs for ContentProvider
source§impl<OT: ObjectType> PartialEq<OT> for ContentProvider
impl<OT: ObjectType> PartialEq<OT> for ContentProvider
source§impl<OT: ObjectType> PartialOrd<OT> for ContentProvider
impl<OT: ObjectType> PartialOrd<OT> for ContentProvider
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for ContentProvider
impl StaticType for ContentProvider
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for ContentProvider
Auto Trait Implementations§
impl RefUnwindSafe for ContentProvider
impl !Send for ContentProvider
impl !Sync for ContentProvider
impl Unpin for ContentProvider
impl UnwindSafe for ContentProvider
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impl<T> Cast for Twhere T: ObjectType,
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