[Marble-bugs] [Bug 299362] New: Mutually exclusive texture layers

[Dennis Nienhüser]

https://bugs.kde.org/show_bug.cgi?id=299362

            Bug ID: 299362
          Severity: wishlist
           Version: unspecified
          Priority: NOR
          Assignee: marble-bugs at kde.org
           Summary: Mutually exclusive texture layers
    Classification: Unclassified
                OS: Linux
          Reporter: earthwings at gentoo.org
          Hardware: Other
            Status: NEW
         Component: general
           Product: marble

Some map themes have optional texture layers that are mutually exclusive, for
example blending place names in different languages on top of an unlabeled base
map. In such a case users currently have to use the checkboxes like radio
buttons. It would be nicer if map themes authors could note that restriction
down in .dgml and have marble render radio buttons instead of check boxes.

A possible implementation could be to add a "group" property to sections, e.g.

                <section name="i18n-en" checkable="true" group="i18n"
connect="i18n-en" spacing="12">
                    <heading>English</heading>
                </section>
                <section name="i18n-fr" checkable="true" group="i18n"
connect="i18n-fr" spacing="12">
                    <heading>French</heading>
                </section>
                <section name="i18n-de" checkable="true" group="i18n"
connect="i18n-de" spacing="12">
                    <heading>German</heading>
                </section>
                <section name="i18n-es" checkable="true" group="i18n"
connect="i18n-es" spacing="12">
                    <heading>Spanish</heading>
                </section>

sections that are checkable and have an empty group name would then be rendered
as check boxes, while sections that are checkable and have a non-empty group
name would be rendered as radio buttons belonging to the same radio group. This
should even be backward compatible (i.e. the new .dgml file would still work in
older Marble versions, just show check boxes instead of radio buttons).


Reproducible: Always

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