su.kv

#:set unit 16

<Canvas>:
    translation_touches: 2
    do_rotation: False
    scale_min: 0.5
    scale_max: 2
    do_collide_after_children: True

<NodeContainer>:
    col_force_default: True
    col_default_width: unit*4
    row_force_default: True
    row_default_height: unit

    nameSize: 0,0

    canvas.after:
        Rectangle:
            texture: root.nameTexture
            pos: root.center_x - self.nameSize[0]/2, root.top - self.nameSize[1]
            size: root.nameSize

<Edge>:
    fromX: 0
    fromY: 0
    toX: 0
    toY: 0

    width: 2

    canvas:
        Color:
            rgba: 1,1,1, .5
        Line:
            bezier: (self.fromX, self.fromY, self.fromX + abs(self.fromX - self.toX)*45.0/100.0, self.fromY, self.toX - abs(self.fromX - self.toX)*45.0/100.0, self.toY, self.toX, self.toY)
            width: self.width

<Port>:
    isInPort: False
    edge: edge
    size: unit*4,unit

    source: 'res/port.png'

    Edge:
        id: edge
        app: root.app

        width: 0.1

        fromX: root.center_x
        fromY: root.center_y
        toX: root.center_x
        toY: root.center_y

<NodeEmpty>:
    port: None
    size: unit*4,unit
    source: 'res/default.png'

<NodeTopLeft>:
    port: None
    size: unit*4,unit
    source: 'res/leftTopCorner.png'

<NodeTopRight>:
    port: None
    size: unit*4,unit
    source: 'res/rightTopCorner.png'

<NodeBottomLeft>:
    port: None
    size: unit*4,unit
    source: 'res/leftBottomCorner.png'

<NodeBottomRight>:
    port: None
    size: unit*4,unit
    source: 'res/rightBottomCorner.png'

<NodeIn>:
    port: port
    size: unit*4,unit
    source: 'res/in.png'

    textSize: 0,0

    canvas.after:
        Rectangle:
            texture: root.textTexture
            pos: root.x + unit/2, root.top - self.textSize[1]
            size: root.textSize

    Port:
        id: port
        app: root.app

        isInPort: True
        center: root.center_x - root.width/2, root.center_y

<NodeOut>:
    port: port
    size: unit*4,unit
    source: 'res/out.png'

    textSize: 0,0

    canvas.after:
        Rectangle:
            texture: root.textTexture
            pos: root.right - root.textSize[0] - unit/2, root.top - self.textSize[1]
            size: root.textSize

    Port:
        id: port
        app: root.app

        center: root.center_x + root.width/2, root.center_y