64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package system
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import "image"
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type boxQuerier []anyBox
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func (querier boxQuerier) Len () int {
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return len(querier)
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}
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func (querier boxQuerier) MinimumSize (index int) image.Point {
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if box, ok := querier.box(index); ok {
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return box.minimumSize()
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}
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return image.Point { }
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}
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func (querier boxQuerier) RecommendedWidth (index int, height int) int {
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if box, ok := querier.box(index); ok {
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if box, ok := box.(anyContentBox); ok {
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return box.recommendedWidth(height)
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}
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}
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return 0
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}
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func (querier boxQuerier) RecommendedHeight (index int, width int) int {
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if box, ok := querier.box(index); ok {
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if box, ok := box.(anyContentBox); ok {
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return box.recommendedHeight(width)
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}
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}
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return 0
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}
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func (querier boxQuerier) box (index int) (anyBox, bool) {
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if index < 0 || index >= len(querier) { return nil, false }
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return querier[index], true
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}
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type boxArranger []anyBox
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func (arranger boxArranger) Len () int {
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return boxQuerier(arranger).Len()
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}
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func (arranger boxArranger) MinimumSize (index int) image.Point {
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return boxQuerier(arranger).MinimumSize(index)
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}
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func (arranger boxArranger) RecommendedWidth (index int, height int) int {
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return boxQuerier(arranger).RecommendedWidth(index, height)
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}
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func (arranger boxArranger) RecommendedHeight (index int, width int) int {
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return boxQuerier(arranger).RecommendedHeight(index, width)
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}
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func (arranger boxArranger) SetBounds (index int, bounds image.Rectangle) {
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if box, ok := boxQuerier(arranger).box(index); ok {
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box.setBounds(bounds)
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}
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}
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