context_menu.kv

<ContextMenu>:
    cols: 1
    size_hint: None, None
    spacing: 0, 0
    spacer: _spacer
    on_visible: self._on_visible(args[1])
    on_parent: self._on_visible(self.visible)

    Widget:
        id: _spacer
        size_hint: 1, None
        height: dp(3)
        canvas.before:
            Color:
                rgb: root.hl_color
            Rectangle:
                pos: self.pos
                size: self.size


<ContextMenuItem>:
    size_hint: None, None
    submenu_arrow: _submenu_arrow
    on_children: self._check_submenu()
    on_parent: self._check_submenu()
    canvas.before:
        Color:
            rgb: (0.15, 0.15, 0.15)
        Rectangle:
            pos: 0,0
            size: self.size

    Widget:
        id: _submenu_arrow
        size_hint: None, None
        width: dp(6)
        height: dp(11)
        pos: self.parent.width - self.width - dp(5), (self.parent.height - self.height) / 2
        canvas.before:
            Translate:
                xy: self.pos
            Color:
                rgb: (0.35, 0.35, 0.35) if self.disabled else (1, 1, 1)
            Triangle:
                points: [0,0, self.width,self.height/2, 0,self.height]
            Translate:
                xy: (-self.pos[0], -self.pos[1])


<ContextMenuText>:
    label: _label
    width: self.parent.width if self.parent else 0
    height: dp(26)
    font_size: '15sp'

    Label:
        pos: 0,0
        id: _label
        text: self.parent.text
        color: self.parent.color
        font_size: self.parent.font_size
        padding: dp(10), 0
        halign: 'left'
        valign: 'middle'
        size: self.texture_size
        size_hint: None, 1


<AbstractMenuItemHoverable>:
    on_hovered: self._on_hovered(args[1])
    canvas.before:
        Color:
            rgb: (0.25, 0.25, 0.25) if self.hovered and not self.disabled else (0.15, 0.15, 0.15)
        Rectangle:
            pos: 0,0
            size: self.size


<ContextMenuDivider>:
    font_size: '10sp'
    height: dp(20) if len(self.label.text) > 0 else dp(1)
    canvas.before:
        Color:
            rgb: (0.25, 0.25, 0.25)
        Rectangle:
            pos: 0,self.height - 1
            size: self.width, 1


<ContextMenuButton@Button>:
    size_hint: None, None
    font_size: '12sp'
    height: dp(20)
    background_normal: ""
    background_down: ""
    background_color: HIGHLIGHT_COLOR
    border: (0, 0, 0, 0)
    on_press: self.background_color = 0.10, 0.6, 0.8, 1.0
    on_release: self.background_color = HIGHLIGHT_COLOR


<ContextMenuToggleButton@ToggleButton>:
    size_hint: None, None
    font_size: '12sp'
    size: dp(30), dp(20)
    background_normal: ""
    background_down: ""
    background_color: HIGHLIGHT_COLOR if self.state == 'down' else (0.25, 0.25, 0.25, 1.0)
    border: (0, 0, 0, 0)
    on_press: self.background_color = 0.10, 0.6, 0.8, 1.0
    on_release: self.background_color = HIGHLIGHT_COLOR


<ContextMenuSmallLabel@Label>:
    size: self.texture_size[0], dp(18)
    size_hint: None, None
    font_size: '12sp'


<ContextMenuTextInput@TextInput>:
    size_hint: None, None
    height: dp(22)
    font_size: '12sp'
    padding: dp(7), dp(3)
    multiline: False