newt 0.7.2

Rust bindings for the Newt console UI library
Documentation 
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

//
// Copyright (C) 2019 Robert Gill <rtgill82@gmail.com>
//
// This file is a part of newt-rs.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License version 2.1 as published by the Free Software Foundation.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

use std::cell::Cell;
use std::os::raw::c_void;

use newt_sys::*;
use crate::component::Component;
use crate::asm;

///
/// Arrange components horizontally.
///
#[derive(Grid)]
pub struct HorizontalGrid<'a> {
    co: Cell<newtGrid>,
    added_to_parent: Cell<bool>,
    children: Vec<&'a dyn Component>
}

impl<'a> HorizontalGrid<'a> {
    ///
    /// Create a new Grid in which the added components are stacked in a
    /// single row.
    ///
    pub fn new<'t>(components: &'t [&'a dyn Component])
      -> HorizontalGrid<'a> {
        let func = newtGridHStacked as *const c_void;
        let (grid, children) = unsafe {
            asm::grid_new(components, func)
        };

        HorizontalGrid {
            co: Cell::new(grid),
            added_to_parent: Cell::new(false),
            children
        }
    }

    ///
    /// Create a new Grid in which the added components are closely
    /// stacked in a single row.
    ///
    pub fn new_close_stacked<'t>(components: &'t [&'a dyn Component])
      -> HorizontalGrid<'a> {
        let func = newtGridHCloseStacked as *const c_void;
        let (grid, children) = unsafe {
            asm::grid_new(components, func)
        };

        HorizontalGrid {
            co: Cell::new(grid),
            added_to_parent: Cell::new(false),
            children
        }
    }
}