64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package npc
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import (
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/theme"
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)
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type FlowLayout struct {
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LastKnownParentSize fyne.Size
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}
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func (fl *FlowLayout) MinSize(objects []fyne.CanvasObject) fyne.Size {
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return fyne.NewSize(0, 0)
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}
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func getMinHeight(objects []fyne.CanvasObject) fyne.Size {
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ret := fyne.NewSize(0, 0)
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for _, v := range objects {
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if v.MinSize().Height > ret.Height {
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ret.Height = v.MinSize().Height
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}
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}
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return ret
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}
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func (fl *FlowLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
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fl.LastKnownParentSize = size
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if fl.LastKnownParentSize.Height > size.Height {
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i, x, y := 0, float32(0), float32(0)
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lastRowMaxH, lastRowEnd := float32(0), 0
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for _, child := range objects {
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if !child.Visible() {
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continue
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}
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if i > 1 {
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if x+objects[i-1].MinSize().Width > size.Width {
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x = 0
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y = y + getMinHeight(objects[lastRowEnd:i]).Height
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lastRowEnd = i
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} else {
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x = x + objects[i-1].MinSize().Width
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}
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}
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if i%g.colCount == 0 {
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g.rowCount++
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}
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child.Move(fyne.NewPos(x, y))
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child.Resize(g.CellSize)
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if (i+1)%g.colCount == 0 {
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x = 0
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y += g.CellSize.Height + theme.Padding()
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} else {
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x += g.CellSize.Width + theme.Padding()
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}
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i++
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}
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}
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}
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