Draft: Properly handle read-only calendars and hidden calendars in the Event Editor and .ics file import dialogs
requested to merge jfft/gnome-calendar:readonly_and_invisible_calendar_sources_handling_revamp_for_event_editor_and_importer into main
Fixes #957, #950, #1134, #1184.
Vastly reduces visual information overload and unactionable things, especially for those who have over 15 calendars, half of which are read-only webcal subscriptions, and some of the remaining "writable" calendars being hidden due to occasional use.
Event Editor dialog
| Before (grayed-out calendars were read-only) | After (only writable calendars, invisible calendars now have an icon) |
|---|---|
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.ics files event importer dialog
| Before | After |
|---|---|
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