ENH: change base pattern "None" to "Hollow"

1. change base pattern "None" to "Hollow", and add an icon image
2. fix a bug of not initializing m_highest_overhang_layer
3. fix a bug where normal(auto) with Tree* styles won't generate any
   supports.
4. add popup message when selecting support material for interface.
5. draw connected loops when wall count is larger than 1

Change-Id: I7ea211d2971b25c65724bb10d0f6cf6e0b68c6a1
(cherry picked from commit 4c1ae7f937239fc3e1397ec2cb3b290d886bb0f0)
This commit is contained in:
Arthur 2022-12-21 19:05:14 +08:00 committed by Lane.Wei
parent 2690b5b558
commit 854eb0af95
10 changed files with 138 additions and 85 deletions

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