SVG2FontBuilder/MetricScreen.kv at master · NightFurySL2001/SVG2FontBuilder · GitHub

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#: import _ localization._

<MetricScreen>
    # get id inside out to root for object reference
    font_upm: font_upm
    ascender: ascender
    descender: descender
    line_gap: line_gap
    auto_calc_safebox: auto_calc_safebox
    safe_ascender: safe_ascender
    safe_descender: safe_descender

    MDGridLayout:
        cols: 1
        padding: "24dp", "8dp"

        SetupRow:
            MDTextField:
                id: font_upm
                pos_hint: {'center_y': .5}
                hint_text: _("UPM")
                helper_text: _("Ascender and descender value should add up to UPM value.")
                # allow tabbing to next input field
                write_tab: False
                text: "1000"
                on_focus:
                    if root.font_upm_menu is None: root.init_upm_menu()
                    if self.focus: root.font_upm_menu.open()

        SetupRow:
            MDTextField:
                id: ascender
                pos_hint: {'center_y': .5}
                hint_text: _("Ascender")
                input_filter: "int"
                required: True
                write_tab: False
                text: "880"
                on_text: root.calc_safe_box()
                error: int(ascender.text or 0) > int(font_upm.text or 0)

            MDTextField:
                id: descender
                pos_hint: {'center_y': .5}
                hint_text: _("Descender")
                input_filter: "int"
                required: True
                write_tab: False
                text: "120"
                on_text: root.calc_safe_box()
                error: int(descender.text or 0) > int(font_upm.text or 0)

        SetupRow:
            MDTextField:
                id: line_gap
                pos_hint: {'center_y': .5}
                size_hint_x: 2
                hint_text: _("Line gap")
                helper_text: _("The distance between descender of first line and ascender of second line")
                input_filter: "int"
                required: True
                write_tab: False
                text: "0"

            MDTextField:
                pos_hint: {'center_y': .5}
                disabled: True
                line_color_normal: (0, 0, 0, 0)

        SetupRow:
            spacing: "32dp"
            MDSwitch:
                id: auto_calc_safebox
                size_hint: None, None
                active: True
                on_active: root.calc_safe_box()

            MDLabel:
                size_hint_y:  None
                height: auto_calc_safebox.height
                text: _("Auto calculate safe box metrics")

        SetupRow:
            MDTextField:
                id: safe_ascender
                readonly: auto_calc_safebox.active
                pos_hint: {'center_y': .5}
                hint_text: _("Safe ascender")
                input_filter: "int"
                required: True
                write_tab: False
                text: "1100"

            MDTextField:
                id: safe_descender
                readonly: auto_calc_safebox.active
                pos_hint: {'center_y': .5}
                hint_text: _("Safe descender")
                input_filter: "int"
                required: True
                write_tab: False
                text: "250"

        MDRaisedButton:
            text: _("Save metrics")
            md_bg_color: app.theme_cls.accent_color
            on_press: root.prepare_metrics()