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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 crate::StateFlags;
use crate::WidgetPath;
use glib::object::IsA;
use glib::translate::*;
use std::fmt;
glib::wrapper! {
/// GtkStyleProvider is an interface used to provide style information to a [`StyleContext`][crate::StyleContext].
/// See [`StyleContextExt::add_provider()`][crate::prelude::StyleContextExt::add_provider()] and [`StyleContext::add_provider_for_screen()`][crate::StyleContext::add_provider_for_screen()].
///
/// # Implements
///
/// [`StyleProviderExt`][trait@crate::prelude::StyleProviderExt]
#[doc(alias = "GtkStyleProvider")]
pub struct StyleProvider(Interface<ffi::GtkStyleProvider, ffi::GtkStyleProviderIface>);
match fn {
type_ => || ffi::gtk_style_provider_get_type(),
}
}
impl StyleProvider {
pub const NONE: Option<&'static StyleProvider> = None;
}
/// Trait containing all [`struct@StyleProvider`] methods.
///
/// # Implementors
///
/// [`CssProvider`][struct@crate::CssProvider], [`Settings`][struct@crate::Settings], [`StyleProperties`][struct@crate::StyleProperties], [`StyleProvider`][struct@crate::StyleProvider]
pub trait StyleProviderExt: 'static {
/// Looks up a widget style property as defined by `self` for
/// the widget represented by `path`.
/// ## `path`
/// [`WidgetPath`][crate::WidgetPath] to query
/// ## `state`
/// state to query the style property for
/// ## `pspec`
/// The [`glib::ParamSpec`][crate::glib::ParamSpec] to query
///
/// # Returns
///
/// [`true`] if the property was found and has a value, [`false`] otherwise
///
/// ## `value`
/// return location for the property value
#[doc(alias = "gtk_style_provider_get_style_property")]
#[doc(alias = "get_style_property")]
fn style_property(
&self,
path: &WidgetPath,
state: StateFlags,
pspec: impl AsRef<glib::ParamSpec>,
) -> Option<glib::Value>;
}
impl<O: IsA<StyleProvider>> StyleProviderExt for O {
fn style_property(
&self,
path: &WidgetPath,
state: StateFlags,
pspec: impl AsRef<glib::ParamSpec>,
) -> Option<glib::Value> {
unsafe {
let mut value = glib::Value::uninitialized();
let ret = from_glib(ffi::gtk_style_provider_get_style_property(
self.as_ref().to_glib_none().0,
path.to_glib_none().0,
state.into_glib(),
pspec.as_ref().to_glib_none().0,
value.to_glib_none_mut().0,
));
if ret {
Some(value)
} else {
None
}
}
}
}
impl fmt::Display for StyleProvider {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("StyleProvider")
}
}