Bug 372607 - Tree should expand/collapse on Arrow_Left/Arrow_Right

Define keybinding via css to expand/collapse with arrows. Tested to work
on GTK 3.20. Adjusted selector for previous version.

Small adjustment:
< Gtk3.20 :  gtk-key-bindings
>=Gtk3.20 : -gtk-key-bindings
- Works on Gtk3.8, 3.10, ... 3.20, 3.22(beta)
- CSS has no effect on <=Gtk3.6 (but 3.6 is 4 years old)

Change-Id: Ifa0a0b226e0003d55c44e2e1a4093e09e275fe1e
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Signed-off-by: Lev Ufimtsev <lufimtse@redhat.com>
1 file changed
tree: faf7b59ef5c0ef3e30a60e78127e583323d7829b
  1. .gitignore
  2. README.md
  3. bundles/
  4. examples/
  5. features/
  6. local-build/
  7. pom.xml
  8. tests/

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