43 lines
986 B
Go
43 lines
986 B
Go
package ui
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import (
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"opslag.de/schobers/geom"
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)
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var _ Control = &stretch{}
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type fixed struct {
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Proxy
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size geom.PointF32
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}
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func (f *fixed) DesiredSize(ctx Context) geom.PointF32 {
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w, h := f.size.X, f.size.Y
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if geom.IsNaN32(w) || geom.IsNaN32(h) {
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child := f.Content.DesiredSize(ctx)
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if geom.IsNaN32(w) {
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w = child.X
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}
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if geom.IsNaN32(h) {
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h = child.Y
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}
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}
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return geom.PtF32(w, h)
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}
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// Fixed wraps the supplied control to fill exactly the space specified.
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func Fixed(c Control, w, h float32) Control {
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return &fixed{Proxy{Content: c}, geom.PtF32(w, h)}
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}
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// FixedHeight wraps the supplied control to fill exactly the height specified. Width is taken from wrapped control.
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func FixedHeight(c Control, h float32) Control {
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return Fixed(c, geom.NaN32(), h)
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}
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// FixedWidth wraps the supplied control to fill exactly the width specified. Height is taken from wrapped control.
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func FixedWidth(c Control, w float32) Control {
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return Fixed(c, w, geom.NaN32())
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}
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