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X backend now conforms to new API

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This commit is contained in:
Sasha Koshka 2023-01-19 15:02:56 -05:00
parent 662d3464e2
commit c0d013a9fb
1 changed files with 29 additions and 16 deletions
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45
backends/x/window.go
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@ -76,26 +76,39 @@ func (backend *Backend) NewWindow (
}
func (window *Window) Adopt (child tomo.Element) {
// disown previous child
if window.child != nil {
window.child.SetParentHooks (tomo.ParentHooks { })
if previousChild, ok := window.child.(tomo.Selectable); ok {
if previousChild.Selected() {
previousChild.HandleDeselection()
}
window.child.OnDamage(nil)
window.child.OnMinimumSizeChange(nil)
}
if previousChild, ok := window.child.(tomo.Flexible); ok {
previousChild.OnFlexibleHeightChange(nil)
}
if previousChild, ok := window.child.(tomo.Selectable); ok {
previousChild.OnSelectionRequest(nil)
previousChild.OnSelectionMotionRequest(nil)
if previousChild.Selected() {
previousChild.HandleDeselection()
}
}
// adopt new child
window.child = child
if child != nil {
child.SetParentHooks (tomo.ParentHooks {
Draw: window.childDrawCallback,
MinimumSizeChange: window.childMinimumSizeChangeCallback,
FlexibleHeightChange: window.resizeChildToFit,
SelectionRequest: window.childSelectionRequestCallback,
})
window.resizeChildToFit()
if newChild, ok := child.(tomo.Flexible); ok {
newChild.OnFlexibleHeightChange(window.resizeChildToFit)
}
if newChild, ok := child.(tomo.Selectable); ok {
newChild.OnSelectionRequest(window.childSelectionRequestCallback)
}
if child != nil {
child.OnDamage(window.childDrawCallback)
child.OnMinimumSizeChange (func () {
window.childMinimumSizeChangeCallback (
child.MinimumSize())
})
window.resizeChildToFit()
window.childMinimumSizeChangeCallback(child.MinimumSize())
}
window.childMinimumSizeChangeCallback(child.MinimumSize())
}
func (window *Window) Child () (child tomo.Element) {
@ -204,7 +217,7 @@ func (window *Window) redrawChildEntirely () {
func (window *Window) resizeChildToFit () {
window.skipChildDrawCallback = true
if child, ok := window.child.(tomo.Flexible); ok {
minimumHeight := child.MinimumHeightFor(window.metrics.width)
minimumHeight := child.FlexibleHeightFor(window.metrics.width)
minimumWidth, _ := child.MinimumSize()
icccm.WmNormalHintsSet (