The "New Event" menu item is confusing and misleading, since
it is contextless item that has a context-aware action. The
result varies depending on which view you are, but this is in
no way communicated.
So just remove that, and all the GcalWindow API that is not
used anymore altogether.
gcal-window changes:
1. Added #GtkStackSwitcher for view-switching handling
2. Reworked view switching behavior
3. Added window states: search-mode, new-event-mode
4. Implemented search using #GtkSearchBar, allowing to handle [Esc] keys closing the search
5. Removed temporally SourcesView
gcal-application changes:
1. Added actions for [Search] and [New Event] with its keyboard-shorcut
A lot of ground work is set here, the code is fill with FIXMEs and comment
for stuff-TODO
Added GcalEventView::will-delete to let thw window knows about the change.
GcalWindow will handle the hiding of the event-widget till the notification goes
away or the user click "Undo".
Added method in GcalView interface to retrieve and event-widget by it's uuid.
Added some cosmetic changes in GcalMonthView as well.
Warning: this particular commit may not build.
Added GtkNotification widget migrated from gnome-contacts.
Added methods in GcalWindow to show a notification.
