// 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;
use glib::object::IsA;
use glib::translate::*;
use gtk_sys;
use std::fmt;
use StateFlags;
use StyleProvider;

glib_wrapper! {
    /// `[Deprecated since 3.16]` `StyleProperties` provides the storage for style information
    /// that is used by `StyleContext` and other `StyleProvider`
    /// implementations.
    ///
    /// Before style properties can be stored in `StyleProperties`, they
    /// must be registered with `StyleProperties::register_property`.
    ///
    /// Unless you are writing a `StyleProvider` implementation, you
    /// are unlikely to use this API directly, as `StyleContextExt::get`
    /// and its variants are the preferred way to access styling information
    /// from widget implementations and theming engine implementations
    /// should use the APIs provided by `ThemingEngine` instead.
    ///
    /// `StyleProperties` has been deprecated in GTK 3.16. The CSS
    /// machinery does not use it anymore and all users of this object
    /// have been deprecated.
    ///
    /// # Implements
    ///
    /// [`StylePropertiesExt`](trait.StylePropertiesExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html), [`StyleProviderExt`](trait.StyleProviderExt.html)
    pub struct StyleProperties(Object<gtk_sys::GtkStyleProperties, gtk_sys::GtkStylePropertiesClass, StylePropertiesClass>) @implements StyleProvider;

    match fn {
        get_type => || gtk_sys::gtk_style_properties_get_type(),
    }
}

impl StyleProperties {
    /// Returns a newly created `StyleProperties`
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    ///
    /// # Returns
    ///
    /// a new `StyleProperties`
    #[cfg_attr(feature = "v3_16", deprecated)]
    pub fn new() -> StyleProperties {
        assert_initialized_main_thread!();
        unsafe { from_glib_full(gtk_sys::gtk_style_properties_new()) }
    }
}

#[cfg_attr(feature = "v3_16", deprecated)]
impl Default for StyleProperties {
    fn default() -> Self {
        Self::new()
    }
}

pub const NONE_STYLE_PROPERTIES: Option<&StyleProperties> = None;

/// `[Deprecated since 3.16]` Trait containing all `StyleProperties` methods.
///
/// # Implementors
///
/// [`StyleProperties`](struct.StyleProperties.html)
pub trait StylePropertiesExt: 'static {
    /// Clears all style information from `self`.
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    #[cfg_attr(feature = "v3_16", deprecated)]
    fn clear(&self);

    //#[cfg_attr(feature = "v3_16", deprecated)]
    //fn get(&self, state: StateFlags, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs);

    /// Gets a style property from `self` for the given state. When done with `value`,
    /// `gobject::Value::unset` needs to be called to free any allocated memory.
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    /// ## `property`
    /// style property name
    /// ## `state`
    /// state to retrieve the property value for
    /// ## `value`
    /// return location for the style property value.
    ///
    /// # Returns
    ///
    /// `true` if the property exists in `self`, `false` otherwise
    #[cfg_attr(feature = "v3_16", deprecated)]
    fn get_property(&self, property: &str, state: StateFlags) -> Option<glib::Value>;

    //#[cfg_attr(feature = "v3_16", deprecated)]
    //fn get_valist(&self, state: StateFlags, args: /*Unknown conversion*//*Unimplemented*/Unsupported);

    /// Merges into `self` all the style information contained
    /// in `props_to_merge`. If `replace` is `true`, the values
    /// will be overwritten, if it is `false`, the older values
    /// will prevail.
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    /// ## `props_to_merge`
    /// a second `StyleProperties`
    /// ## `replace`
    /// whether to replace values or not
    #[cfg_attr(feature = "v3_16", deprecated)]
    fn merge<P: IsA<StyleProperties>>(&self, props_to_merge: &P, replace: bool);

    //#[cfg_attr(feature = "v3_16", deprecated)]
    //fn set(&self, state: StateFlags, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs);

    /// Sets a styling property in `self`.
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    /// ## `property`
    /// styling property to set
    /// ## `state`
    /// state to set the value for
    /// ## `value`
    /// new value for the property
    #[cfg_attr(feature = "v3_16", deprecated)]
    fn set_property(&self, property: &str, state: StateFlags, value: &glib::Value);

    //#[cfg_attr(feature = "v3_16", deprecated)]
    //fn set_valist(&self, state: StateFlags, args: /*Unknown conversion*//*Unimplemented*/Unsupported);

    /// Unsets a style property in `self`.
    ///
    /// # Deprecated since 3.16
    ///
    /// `StyleProperties` are deprecated.
    /// ## `property`
    /// property to unset
    /// ## `state`
    /// state to unset
    #[cfg_attr(feature = "v3_16", deprecated)]
    fn unset_property(&self, property: &str, state: StateFlags);
}

impl<O: IsA<StyleProperties>> StylePropertiesExt for O {
    fn clear(&self) {
        unsafe {
            gtk_sys::gtk_style_properties_clear(self.as_ref().to_glib_none().0);
        }
    }

    //fn get(&self, state: StateFlags, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) {
    //    unsafe { TODO: call gtk_sys:gtk_style_properties_get() }
    //}

    fn get_property(&self, property: &str, state: StateFlags) -> Option<glib::Value> {
        unsafe {
            let mut value = glib::Value::uninitialized();
            let ret = from_glib(gtk_sys::gtk_style_properties_get_property(
                self.as_ref().to_glib_none().0,
                property.to_glib_none().0,
                state.to_glib(),
                value.to_glib_none_mut().0,
            ));
            if ret {
                Some(value)
            } else {
                None
            }
        }
    }

    //fn get_valist(&self, state: StateFlags, args: /*Unknown conversion*//*Unimplemented*/Unsupported) {
    //    unsafe { TODO: call gtk_sys:gtk_style_properties_get_valist() }
    //}

    fn merge<P: IsA<StyleProperties>>(&self, props_to_merge: &P, replace: bool) {
        unsafe {
            gtk_sys::gtk_style_properties_merge(
                self.as_ref().to_glib_none().0,
                props_to_merge.as_ref().to_glib_none().0,
                replace.to_glib(),
            );
        }
    }

    //fn set(&self, state: StateFlags, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) {
    //    unsafe { TODO: call gtk_sys:gtk_style_properties_set() }
    //}

    fn set_property(&self, property: &str, state: StateFlags, value: &glib::Value) {
        unsafe {
            gtk_sys::gtk_style_properties_set_property(
                self.as_ref().to_glib_none().0,
                property.to_glib_none().0,
                state.to_glib(),
                value.to_glib_none().0,
            );
        }
    }

    //fn set_valist(&self, state: StateFlags, args: /*Unknown conversion*//*Unimplemented*/Unsupported) {
    //    unsafe { TODO: call gtk_sys:gtk_style_properties_set_valist() }
    //}

    fn unset_property(&self, property: &str, state: StateFlags) {
        unsafe {
            gtk_sys::gtk_style_properties_unset_property(
                self.as_ref().to_glib_none().0,
                property.to_glib_none().0,
                state.to_glib(),
            );
        }
    }
}

impl fmt::Display for StyleProperties {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "StyleProperties")
    }
}