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ui: replace PushOp, PopOp with a StackOp

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Before this change, there was no guarantee that a PopOp matched
the intended PushOp. With a single stack operation, the client is
forced to match pop with the right push.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-07-16 13:41:10 +02:00
parent f9fda47d25
commit 586d33c26e
7 changed files with 50 additions and 25 deletions
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ui/layout/stack.go
+3 -2
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@@ -104,10 +104,11 @@ func (s *Stack) Layout(children ...StackChild) Dimens {
case SW, S, SE:
p.Y = s.maxSZ.Y - sz.Y
}
ui.PushOp{}.Add(s.ops)
var stack ui.StackOp
stack.Push(s.ops)
ui.TransformOp{Transform: ui.Offset(toPointF(p))}.Add(s.ops)
ch.macro.Add(s.ops)
ui.PopOp{}.Add(s.ops)
stack.Pop()
}
b := s.baseline
if b == 0 {