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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172

use crate::CursorArea;
use crate::ScrollView;
use dioxus::prelude::*;
use freya_elements::elements as dioxus_elements;
use freya_elements::events::{KeyboardData, MouseEvent};
use freya_hooks::{
    use_editable, use_focus, use_get_theme, EditableConfig, EditableEvent, EditableMode, TextEditor,
};
use winit::window::CursorIcon;

/// [`Input`] component properties.
#[derive(Props)]
pub struct InputProps<'a> {
    /// Current value of the Input
    pub value: String,
    /// Handler for the `onchange` event.
    pub onchange: EventHandler<'a, String>,
    /// Width of the Input. Default 100.
    #[props(default = "150".to_string(), into)]
    width: String,
    /// Height of the Input. Default 100.
    #[props(default = "35".to_string(), into)]
    height: String,
    /// Max lines for the Input. Default 1.
    #[props(default = "1".to_string(), into)]
    max_lines: String,
}

/// `Input` component.
///
/// # Props
/// See [`InputProps`].
///
/// # Styling
/// Inherits the [`ButtonTheme`](freya_hooks::ButtonTheme) theme.
///
/// # Example
///
/// ```rust
/// # use freya::prelude::*;
/// fn app(cx: Scope) -> Element {
///     use_init_focus(cx);
///     let value = use_state(cx, String::new);
///
///     render!(
///         label {
///             "Value: {value}"
///         }
///         Input {
///             value: value.get().clone(),
///             onchange: |e| {
///                  value.set(e)
///             }
///         }
///     )
/// }
/// ```
#[allow(non_snake_case)]
pub fn Input<'a>(cx: Scope<'a, InputProps<'a>>) -> Element {
    let editable = use_editable(
        cx,
        || EditableConfig::new(cx.props.value.to_string()),
        EditableMode::MultipleLinesSingleEditor,
    );
    let theme = use_get_theme(cx);
    let focus_manager = use_focus(cx);

    let text = &cx.props.value;
    let button_theme = &theme.button;
    let cursor_attr = editable.cursor_attr(cx);
    let highlights_attr = editable.highlights_attr(cx, 0);
    let width = &cx.props.width;
    let height = &cx.props.height;
    let max_lines = &cx.props.max_lines;

    use_effect(cx, &(cx.props.value.to_string(),), {
        to_owned![editable];
        move |(text,)| {
            editable.editor().with_mut(|editor| {
                editor.set(&text);
            });
            async move {}
        }
    });

    let onkeydown = {
        to_owned![editable, focus_manager];
        move |e: Event<KeyboardData>| {
            if focus_manager.is_focused() {
                editable.process_event(&EditableEvent::KeyDown(e.data));
                cx.props
                    .onchange
                    .call(editable.editor().current().to_string());
            }
        }
    };

    let onmousedown = {
        to_owned![editable];
        move |e: MouseEvent| {
            editable.process_event(&EditableEvent::MouseDown(e.data, 0));
        }
    };

    let onmouseover = {
        to_owned![editable];
        move |e: MouseEvent| {
            editable.process_event(&EditableEvent::MouseOver(e.data, 0));
        }
    };

    let onclick = {
        to_owned![editable];
        move |_: MouseEvent| {
            editable.process_event(&EditableEvent::Click);
        }
    };

    let cursor_char = if focus_manager.is_focused() {
        editable.editor().cursor_pos().to_string()
    } else {
        "none".to_string()
    };
    let background = button_theme.background;
    let color = button_theme.font_theme.color;

    render!(
        CursorArea {
            icon: CursorIcon::Text,
            rect {
                onkeydown: onkeydown,
                onclick: move |_| {
                    focus_manager.focus();
                },
                width: "auto",
                height: "auto",
                direction: "both",
                padding: "1.5",
                rect {
                    width: "{width}",
                    height: "{height}",
                    direction: "vertical",
                    display: "center",
                    color: "{color}",
                    background: "{background}",
                    shadow: "0 3 15 0 rgb(0, 0, 0, 70)",
                    corner_radius: "5",
                    padding: "8",
                    cursor_reference: cursor_attr,
                    ScrollView {
                        scroll_with_arrows: false,
                        paragraph {
                            width: "100%",
                            cursor_id: "0",
                            cursor_index: "{cursor_char}",
                            cursor_mode: "editable",
                            cursor_color: "{color}",
                            max_lines: "{max_lines}",
                            onclick: onclick,
                            onmouseover: onmouseover,
                            onmousedown: onmousedown,
                            highlights: highlights_attr,
                            text {
                                "{text}"
                            }
                        }
                    }
                }
            }
        }
    )
}