31 lines
677 B
Go
31 lines
677 B
Go
package views
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import (
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"git.tordarus.net/Tordarus/tui"
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)
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// ConstrainView is a tui.Wrapper which constrains the dimensions of its View
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type ConstrainView struct {
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tui.WrapperTmpl
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MaxWidth int
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MaxHeight int
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}
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var _ tui.Wrapper = &ConstrainView{}
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func NewConstrainView(view tui.View, maxWidth, maxHeight int) *ConstrainView {
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v := new(ConstrainView)
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v.SetView(view)
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v.Constrain(maxWidth, maxHeight)
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return v
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}
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func (v *ConstrainView) Constrain(maxWidth, maxHeight int) {
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v.MaxWidth, v.MaxHeight = maxWidth, maxHeight
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}
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func (v *ConstrainView) Layout() (prefWidth, prefHeight int) {
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vw, vh := v.View().Layout()
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return min(vw, v.MaxWidth), min(vh, v.MaxHeight)
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}
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