gtk/auto/
style_provider.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use crate::{StateFlags, WidgetPath};
6use glib::{prelude::*, translate::*};
7use std::fmt;
8
9glib::wrapper! {
10    /// GtkStyleProvider is an interface used to provide style information to a [`StyleContext`][crate::StyleContext].
11    /// See [`StyleContextExt::add_provider()`][crate::prelude::StyleContextExt::add_provider()] and [`StyleContext::add_provider_for_screen()`][crate::StyleContext::add_provider_for_screen()].
12    ///
13    /// # Implements
14    ///
15    /// [`StyleProviderExt`][trait@crate::prelude::StyleProviderExt]
16    #[doc(alias = "GtkStyleProvider")]
17    pub struct StyleProvider(Interface<ffi::GtkStyleProvider, ffi::GtkStyleProviderIface>);
18
19    match fn {
20        type_ => || ffi::gtk_style_provider_get_type(),
21    }
22}
23
24impl StyleProvider {
25    pub const NONE: Option<&'static StyleProvider> = None;
26}
27
28mod sealed {
29    pub trait Sealed {}
30    impl<T: super::IsA<super::StyleProvider>> Sealed for T {}
31}
32
33/// Trait containing all [`struct@StyleProvider`] methods.
34///
35/// # Implementors
36///
37/// [`CssProvider`][struct@crate::CssProvider], [`Settings`][struct@crate::Settings], [`StyleProperties`][struct@crate::StyleProperties], [`StyleProvider`][struct@crate::StyleProvider]
38pub trait StyleProviderExt: IsA<StyleProvider> + sealed::Sealed + 'static {
39    /// Looks up a widget style property as defined by `self` for
40    /// the widget represented by `path`.
41    /// ## `path`
42    /// [`WidgetPath`][crate::WidgetPath] to query
43    /// ## `state`
44    /// state to query the style property for
45    /// ## `pspec`
46    /// The [`glib::ParamSpec`][crate::glib::ParamSpec] to query
47    ///
48    /// # Returns
49    ///
50    /// [`true`] if the property was found and has a value, [`false`] otherwise
51    ///
52    /// ## `value`
53    /// return location for the property value
54    #[doc(alias = "gtk_style_provider_get_style_property")]
55    #[doc(alias = "get_style_property")]
56    fn style_property(
57        &self,
58        path: &WidgetPath,
59        state: StateFlags,
60        pspec: impl AsRef<glib::ParamSpec>,
61    ) -> Option<glib::Value> {
62        unsafe {
63            let mut value = glib::Value::uninitialized();
64            let ret = from_glib(ffi::gtk_style_provider_get_style_property(
65                self.as_ref().to_glib_none().0,
66                path.to_glib_none().0,
67                state.into_glib(),
68                pspec.as_ref().to_glib_none().0,
69                value.to_glib_none_mut().0,
70            ));
71            if ret {
72                Some(value)
73            } else {
74                None
75            }
76        }
77    }
78}
79
80impl<O: IsA<StyleProvider>> StyleProviderExt for O {}
81
82impl fmt::Display for StyleProvider {
83    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
84        f.write_str("StyleProvider")
85    }
86}
gtk/auto/style_provider.rs

gtk/auto/
style_provider.rs
