87 lines
1.4 KiB
Go
87 lines
1.4 KiB
Go
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package views
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import (
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"math"
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"git.tordarus.net/Tordarus/tui"
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)
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func min(x, y int) int {
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if x < y {
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return x
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}
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return y
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}
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func max(x, y int) int {
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if x > y {
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return x
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}
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return y
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}
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func iff[T any](condition bool, trueValue, falseValue T) T {
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if condition {
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return trueValue
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}
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return falseValue
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}
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type LayoutResult struct {
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Sizes map[tui.View]tui.Size
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Sum tui.Size
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Min tui.Size
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Max tui.Size
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Pref tui.Size
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Count int
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VerticalNegativeCount int
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HorizontalNegativeCount int
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}
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func CalculateLayoutResult(views []tui.View) *LayoutResult {
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result := &LayoutResult{
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Sizes: map[tui.View]tui.Size{},
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Sum: tui.Size{Width: 0, Height: 0},
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Min: tui.Size{Width: math.MaxInt, Height: math.MaxInt},
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Max: tui.Size{Width: -1, Height: -1},
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Count: 0,
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VerticalNegativeCount: 0,
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HorizontalNegativeCount: 0,
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}
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for _, view := range views {
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if view == nil {
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continue
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}
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result.Count++
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width, height := view.Layout()
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result.Sizes[view] = tui.Size{Width: width, Height: height}
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if width > 0 {
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result.Sum.Width += width
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result.Min.Width = min(result.Min.Width, width)
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result.Max.Width = max(result.Max.Width, width)
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} else if width < 0 {
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result.HorizontalNegativeCount++
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}
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if height > 0 {
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result.Sum.Height += height
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result.Min.Height = min(result.Min.Height, height)
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result.Max.Height = max(result.Max.Height, height)
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} else if height < 0 {
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result.VerticalNegativeCount++
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}
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}
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return result
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}
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