ui/uilayout/minsize.go
2024-04-03 16:07:24 +02:00

47 lines
1.2 KiB
Go

package uilayout
import "fyne.io/fyne/v2"
// MinSize implements a min size layout.
//
// The MinSize layout will ensure that the container is rendered at a size that
// is at least as large as the minimum size provided.
type MinSize struct {
minSize fyne.Size
}
// NewMinSizeLayout creates a new MinSize layout with the specified minimum size.
//
// Arguments:
// - minSize: the minimum size for the layout.
//
// Returns *MinSize: a pointer to the newly created MinSize layout.
func NewMinSizeLayout(minSize fyne.Size) *MinSize {
return &MinSize{minSize: minSize}
}
// MinSize calculates the minimum size of the layout on the current screen. The
// reported size will be at least as large as the configured minimum size.
func (l *MinSize) MinSize(objects []fyne.CanvasObject) fyne.Size {
size := l.minSize
for _, o := range objects {
childSize := o.MinSize()
if size.Width < childSize.Width {
size.Width = childSize.Width
}
if size.Height < childSize.Height {
size.Height = childSize.Height
}
}
return size
}
// Layout implements the Layout interface.
func (l *MinSize) Layout(objects []fyne.CanvasObject, containerSize fyne.Size) {
pos := fyne.NewPos(0, 0)
for _, o := range objects {
o.Resize(containerSize)
o.Move(pos)
}
}