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// Take a look at the license at the top of the repository in the LICENSE file.

use glib::translate::*;
use std::fmt;
use std::ops;

glib::wrapper! {
    /// A struct that specifies a border around a rectangular area
    /// that can be of different width on each side.
    #[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
    #[doc(alias = "GtkBorder")]
    pub struct Border(Boxed<ffi::GtkBorder>);

    match fn {
        copy => |ptr| ffi::gtk_border_copy(mut_override(ptr)),
        free => |ptr| ffi::gtk_border_free(ptr),
        init => |_ptr| (),
        clear => |_ptr| (),
        type_ => || ffi::gtk_border_get_type(),
    }
}

impl ops::Deref for Border {
    type Target = ffi::GtkBorder;

    fn deref(&self) -> &Self::Target {
        &(*self.0)
    }
}

impl ops::DerefMut for Border {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut (*self.0)
    }
}

impl Border {
    /// Allocates a new [`Border`][crate::Border]-struct and initializes its elements to zero.
    ///
    /// # Returns
    ///
    /// a newly allocated [`Border`][crate::Border]-struct.
    ///  Free with `gtk_border_free()`
    #[doc(alias = "gtk_border_new")]
    pub fn new() -> Self {
        assert_initialized_main_thread!();
        unsafe { from_glib_full(ffi::gtk_border_new()) }
    }
}

impl Default for Border {
    fn default() -> Self {
        Self::new()
    }
}

impl fmt::Debug for Border {
    fn fmt(&self, fmt: &mut fmt::Formatter) -> Result<(), fmt::Error> {
        fmt.debug_struct("Border")
            .field("left", &self.left)
            .field("right", &self.right)
            .field("top", &self.top)
            .field("bottom", &self.bottom)
            .finish()
    }
}