1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101

// 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::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib_sys;
use gtk_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use TreeModel;

glib_wrapper! {
    /// `TreeSortable` is an interface to be implemented by tree models which
    /// support sorting. The `TreeView` uses the methods provided by this interface
    /// to sort the model.
    ///
    /// # Implements
    ///
    /// [`TreeSortableExt`](trait.TreeSortableExt.html), [`TreeModelExt`](trait.TreeModelExt.html), [`TreeSortableExtManual`](prelude/trait.TreeSortableExtManual.html)
    pub struct TreeSortable(Interface<gtk_sys::GtkTreeSortable>) @requires TreeModel;

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

pub const NONE_TREE_SORTABLE: Option<&TreeSortable> = None;

/// Trait containing all `TreeSortable` methods.
///
/// # Implementors
///
/// [`ListStore`](struct.ListStore.html), [`TreeModelSort`](struct.TreeModelSort.html), [`TreeSortable`](struct.TreeSortable.html), [`TreeStore`](struct.TreeStore.html)
pub trait TreeSortableExt: 'static {
    /// Returns `true` if the model has a default sort function. This is used
    /// primarily by `GtkTreeViewColumns` in order to determine if a model can
    /// go back to the default state, or not.
    ///
    /// # Returns
    ///
    /// `true`, if the model has a default sort function
    fn has_default_sort_func(&self) -> bool;

    /// Emits a `TreeSortable::sort-column-changed` signal on `self`.
    fn sort_column_changed(&self);

    /// The ::sort-column-changed signal is emitted when the sort column
    /// or sort order of `sortable` is changed. The signal is emitted before
    /// the contents of `sortable` are resorted.
    fn connect_sort_column_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<TreeSortable>> TreeSortableExt for O {
    fn has_default_sort_func(&self) -> bool {
        unsafe {
            from_glib(gtk_sys::gtk_tree_sortable_has_default_sort_func(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn sort_column_changed(&self) {
        unsafe {
            gtk_sys::gtk_tree_sortable_sort_column_changed(self.as_ref().to_glib_none().0);
        }
    }

    fn connect_sort_column_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn sort_column_changed_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkTreeSortable,
            f: glib_sys::gpointer,
        ) where
            P: IsA<TreeSortable>,
        {
            let f: &F = &*(f as *const F);
            f(&TreeSortable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"sort-column-changed\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    sort_column_changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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