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

use crate::{
    props::Props,
    widget::{
        node::{WidgetNode, WidgetNodePrefab},
        unit::{WidgetUnit, WidgetUnitData},
        utils::{Rect, Transform, Vec2},
        WidgetId,
    },
    PrefabValue, Scalar,
};
use serde::{Deserialize, Serialize};
use std::convert::TryFrom;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContentBoxItemLayout {
    #[serde(default = "ContentBoxItemLayout::default_anchors")]
    pub anchors: Rect,
    #[serde(default)]
    pub margin: Rect,
    #[serde(default)]
    pub align: Vec2,
    #[serde(default)]
    pub offset: Vec2,
    #[serde(default)]
    pub depth: Scalar,
}
implement_props_data!(ContentBoxItemLayout);

impl ContentBoxItemLayout {
    fn default_anchors() -> Rect {
        Rect {
            left: 0.0,
            right: 1.0,
            top: 0.0,
            bottom: 1.0,
        }
    }
}

impl Default for ContentBoxItemLayout {
    fn default() -> Self {
        Self {
            anchors: Self::default_anchors(),
            margin: Default::default(),
            align: Default::default(),
            offset: Default::default(),
            depth: 0.0,
        }
    }
}

#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct ContentBoxItem {
    #[serde(default)]
    pub slot: WidgetUnit,
    #[serde(default)]
    pub layout: ContentBoxItemLayout,
}

impl TryFrom<ContentBoxItemNode> for ContentBoxItem {
    type Error = ();

    fn try_from(node: ContentBoxItemNode) -> Result<Self, Self::Error> {
        let ContentBoxItemNode { slot, layout } = node;
        Ok(Self {
            slot: WidgetUnit::try_from(slot)?,
            layout,
        })
    }
}

#[derive(Debug, Default, Clone)]
pub struct ContentBoxItemNode {
    pub slot: WidgetNode,
    pub layout: ContentBoxItemLayout,
}

#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct ContentBox {
    #[serde(default)]
    pub id: WidgetId,
    #[serde(default)]
    #[serde(skip_serializing_if = "Vec::is_empty")]
    pub items: Vec<ContentBoxItem>,
    #[serde(default)]
    pub clipping: bool,
    #[serde(default)]
    pub transform: Transform,
}

impl WidgetUnitData for ContentBox {
    fn id(&self) -> &WidgetId {
        &self.id
    }

    fn get_children(&self) -> Vec<&WidgetUnit> {
        self.items.iter().map(|item| &item.slot).collect()
    }
}

impl TryFrom<ContentBoxNode> for ContentBox {
    type Error = ();

    fn try_from(node: ContentBoxNode) -> Result<Self, Self::Error> {
        let ContentBoxNode {
            id,
            items,
            clipping,
            transform,
            ..
        } = node;
        let items = items
            .into_iter()
            .map(ContentBoxItem::try_from)
            .collect::<Result<_, _>>()?;
        Ok(Self {
            id,
            items,
            clipping,
            transform,
        })
    }
}

#[derive(Debug, Default, Clone)]
pub struct ContentBoxNode {
    pub id: WidgetId,
    pub props: Props,
    pub items: Vec<ContentBoxItemNode>,
    pub clipping: bool,
    pub transform: Transform,
}

impl ContentBoxNode {
    pub fn remap_props<F>(&mut self, mut f: F)
    where
        F: FnMut(Props) -> Props,
    {
        let props = std::mem::take(&mut self.props);
        self.props = (f)(props);
    }
}

impl From<ContentBoxNode> for WidgetNode {
    fn from(data: ContentBoxNode) -> Self {
        Self::Unit(data.into())
    }
}

#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub(crate) struct ContentBoxNodePrefab {
    #[serde(default)]
    pub id: WidgetId,
    #[serde(default)]
    pub props: PrefabValue,
    #[serde(default)]
    #[serde(skip_serializing_if = "Vec::is_empty")]
    pub items: Vec<ContentBoxItemNodePrefab>,
    #[serde(default)]
    pub clipping: bool,
    #[serde(default)]
    pub transform: Transform,
}

#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub(crate) struct ContentBoxItemNodePrefab {
    #[serde(default)]
    pub slot: WidgetNodePrefab,
    #[serde(default)]
    pub layout: ContentBoxItemLayout,
}