41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
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package ui
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// Recursively removes border margins and padding from controls, replaces
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// nil values with stretchy spaces and reorients nested stack to have
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// opposing orientations.
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func resetControls(parent *Stack) {
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for i, control := range parent.controls {
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switch control.(type) {
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case *Stack:
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stack := control.(*Stack)
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stack.borderMargin = 0
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stack.orientation = !parent.orientation
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resetControls(stack)
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case nil:
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emptySpace := newStack(horizontal)
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parent.controls[i] = emptySpace
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parent.stretchy[i] = true
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}
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}
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}
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// Creates a new Stack from the given controls. The topmost Stack will have
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// vertical orientation and margin borders, with each nested stack being
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// oriented oppositely. Controls are displayed with a default padding
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// between them.
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func Layout(controls ...Control) *Stack {
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stack := &Stack{
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orientation: vertical,
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controls: controls,
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stretchy: make([]bool, len(controls)),
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width: make([]int, len(controls)),
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height: make([]int, len(controls)),
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padding: 10,
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borderMargin: 15,
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}
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resetControls(stack)
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return stack
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}
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