native-windows-gui 1.0.13

A rust library to develop native GUI applications on the desktop for Microsoft Windows. Native-windows-gui wraps the native win32 window controls in a rustic API
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
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135

/*!

    An application that load different interfaces using the partial feature.
    All partials are represented as the same generic struct.

    Requires the following features: `cargo run --example partials_generic_d --features "listbox frame combobox"`
*/

extern crate native_windows_gui as nwg;
extern crate native_windows_derive as nwd;

use std::fmt::Display;
use std::cell::RefCell;

use nwd::{NwgUi, NwgPartial};
use nwg::NativeUi;


#[derive(NwgUi)]
pub struct PartialGenericDemo<T1: Display + Default + 'static, T2, T3>
    where T2: Display + Default + 'static,
          T3: Display + Default + 'static {
    #[nwg_control(size: (500, 200), position: (300, 300), title: "Many generic UI", flags: "WINDOW|VISIBLE")]
    #[nwg_events(OnWindowClose: [PartialGenericDemo::exit])]
    window: nwg::Window,

    #[nwg_control(collection: vec![data.f1_ui.title, data.f2_ui.title, data.f3_ui.title], size: (180, 180), position: (10, 10))]
    #[nwg_events(OnListBoxSelect: [PartialGenericDemo::change_interface])]
    menu: nwg::ListBox<&'static str>,

    #[nwg_control(size: (290, 180), position: (200, 10))]
    frame1: nwg::Frame,

    #[nwg_control(size: (290, 180), position: (200, 10), flags: "BORDER")]
    frame2: nwg::Frame,

    #[nwg_control(size: (290, 180), position: (200, 10), flags: "BORDER")]
    frame3: nwg::Frame,

    #[nwg_partial(parent: frame1)]
    #[nwg_events((save_btn, OnButtonClick): [PartialGenericDemo::show(SELF, CTRL)])]
    f1_ui: GenericFrameUi<T1>,

    #[nwg_partial(parent: frame2)]
    #[nwg_events((save_btn, OnButtonClick): [PartialGenericDemo::show(SELF, CTRL)])]
    f2_ui: GenericFrameUi<T2>,

    #[nwg_partial(parent: frame3)]
    #[nwg_events((save_btn, OnButtonClick): [PartialGenericDemo::show(SELF, CTRL)])]
    f3_ui: GenericFrameUi<T3>,
}

impl<T1, T2, T3> PartialGenericDemo<T1, T2, T3>
    where T1: Display + Default,
          T2: Display + Default,
          T3: Display + Default {
    fn change_interface(&self) {
        let frames = [&self.frame1, &self.frame2, &self.frame3];
        frames.iter().for_each(|f| f.set_visible(false));

        let selected_frame = match self.menu.selection() {
            Some(x) => frames[x],
            None => frames[0],
        };
        selected_frame.set_visible(true);
    }

    fn show<T: Display + Default>(&self, frame: &GenericFrameUi<T>) {
        let message = match frame.combobox.selection() {
            Some(v) => format!("'{}' is our choice from '{}' frame", frame.combobox.collection()[v], frame.title),
            None => "Please choose something".to_owned(),
        };
        nwg::simple_message("Show message", &message);
    }

    fn exit(&self) {
        nwg::stop_thread_dispatch();
    }
}

#[derive(NwgPartial)]
pub struct GenericFrameUi<T: Display + Default + 'static> {
    title: &'static str,

    #[nwg_control(size: (270, 40), position: (10, 10), text: data.text)]
    l: nwg::Label,
    text: &'static str,

    #[nwg_control(collection: data.combo_items.borrow_mut().take().unwrap_or_default(), selected_index: Some(0), size: (270, 40), position: (10, 60))]
    combobox: nwg::ComboBox<T>,
    combo_items: RefCell<Option<Vec<T>>>,

    #[nwg_control(text: "Show", size: (270, 40), position: (10, 110))]
    save_btn: nwg::Button,
}

fn main() {
    nwg::init().expect("Failed to init Native Windows GUI");
    nwg::Font::set_global_family("Segoe UI").expect("Failed to set default font");

    let demo = PartialGenericDemo {
        window: Default::default(),
        menu: Default::default(),
        frame1: Default::default(),
        frame2: Default::default(),
        frame3: Default::default(),
        f1_ui: GenericFrameUi {
            title: "Numbers",
            text: "i32 numbers",
            combo_items: Some(vec![1, 2, 3]).into(),
            l: Default::default(),
            combobox: Default::default(),
            save_btn: Default::default(),
        },
        f2_ui: GenericFrameUi {
            title: "Strings",
            text: "Static strings",
            combo_items: Some(vec!["String 1", "String 2", "String 3"]).into(),
            l: Default::default(),
            combobox: Default::default(),
            save_btn: Default::default(),
        },
        f3_ui: GenericFrameUi {
            title: "Booleans",
            text: "Bool values",
            combo_items: Some(vec![true, false, false]).into(),
            l: Default::default(),
            combobox: Default::default(),
            save_btn: Default::default(),
        },
    };

    let _ui = PartialGenericDemo::build_ui(demo).expect("Failed to build UI");

    nwg::dispatch_thread_events();
}