#:import DampedScrollEffect kivy.effects.dampedscroll.DampedScrollEffect


<MDTabsLabel>
    _set_start_tab: False
    size_hint: None, 1
    halign: "center"
    valign: "center"
    group: "tabs"
    font: root.font_name
    allow_no_selection: False
    markup: True
    on_width:
        if not self._set_start_tab: \
        self.tab_bar.parent._update_indicator( \
        self.tab_bar.parent.carousel.current_slide.tab_label); \
        self._set_start_tab = True
    on_tab_bar:
        self.text_size = (None, None) \
        if self.tab_bar.parent.allow_stretch else (self.width, None)
    on_ref_press:
        self.tab_bar.parent.dispatch( \
        "on_ref_press",
        self, \
        self.tab, \
        self.tab_bar, \
        self.tab_bar.parent.carousel)
    color:
        ( \
        self.text_color_active \
        if self.text_color_active else self.specific_secondary_text_color \
        ) \
        if self.state == "down" else \
        ( \
        self.text_color_normal \
        if self.text_color_normal else self.theme_cls.text_color \
        )


<MDTabsScrollView>
    size_hint: 1, 1
    do_scroll_y: False
    bar_color: 0, 0, 0, 0
    bar_inactive_color: 0, 0, 0, 0
    bar_width: 0
    effect_cls: DampedScrollEffect


<MDTabs>
    carousel: carousel
    tab_bar: tab_bar
    anchor_y: "top"
    background_palette: "Primary"

    _line_x: 0
    _line_width: 0
    _line_height: 0
    _line_radius: 0

    on_size:
        root._update_padding(layout)

    MDTabsMain:
        padding: 0, tab_bar.height, 0, 0

        MDTabsCarousel:
            id: carousel
            lock_swiping: root.lock_swiping
            ignore_perpendicular_swipes: True
            anim_move_duration: root.anim_duration
            on_index: root.on_carousel_index(*args)
            on__offset: tab_bar.android_animation(*args)

    MDTabsBar:
        id: tab_bar
        padding: root.tab_padding
        carousel: carousel
        scrollview: scrollview
        layout: layout
        size_hint: 1, None
        elevation: root.elevation
        height: root.tab_bar_height
        md_bg_color:
            self.theme_cls.primary_color \
            if not root.background_color else \
            root.background_color

        MDTabsScrollView:
            id: scrollview
            do_scroll_x: False if layout.width <= self.width else True

            MDGridLayout:
                id: layout
                rows: 1
                size_hint_y: 1
                adaptive_width: True
                on_size: root._update_padding(layout)

                canvas.before:
                    Color:
                        rgba: root.underline_color
                    Line:
                        width: dp(2)
                        rectangle: [0, 0, layout.width, dp(2)]
                    Color:
                        rgba:
                            root.theme_cls.accent_color \
                            if not root.indicator_color else \
                            root.indicator_color
                    RoundedRectangle:
                        group: "Indicator_line"
                        pos: self.pos
                        size: 0, root.tab_indicator_height
                        radius: [0,]
                    Line:
                        width: dp(2)
                        rounded_rectangle:
                            [ \
                            root._line_x, \
                            self.pos[1], \
                            root._line_width, \
                            root._line_height, \
                            root._line_radius \
                            ]
