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X backend window disowns child before closing

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This prevents elements from drawing to a closed window (causing
xgb to print an error)
This commit is contained in:
Sasha Koshka 2023-03-16 14:42:18 -04:00
parent a4ef28cdd0
commit b90ffeb4fd
1 changed files with 17 additions and 13 deletions
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30
backends/x/window.go
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@ -124,20 +124,22 @@ func (window *window) Adopt (child elements.Element) {
window.child.SetParent(nil)
window.child.DrawTo(nil, image.Rectangle { }, nil)
}
// adopt new child
window.child = child
child.SetParent(window)
if newChild, ok := child.(elements.Themeable); ok {
newChild.SetTheme(window.theme)
}
if newChild, ok := child.(elements.Configurable); ok {
newChild.SetConfig(window.config)
}
if child != nil {
if !window.childMinimumSizeChangeCallback(child.MinimumSize()) {
window.resizeChildToFit()
window.redrawChildEntirely()
// adopt new child
window.child = child
child.SetParent(window)
if newChild, ok := child.(elements.Themeable); ok {
newChild.SetTheme(window.theme)
}
if newChild, ok := child.(elements.Configurable); ok {
newChild.SetConfig(window.config)
}
if child != nil {
if !window.childMinimumSizeChangeCallback(child.MinimumSize()) {
window.resizeChildToFit()
window.redrawChildEntirely()
}
}
}
}
@ -211,6 +213,8 @@ func (window *window) Hide () {
func (window *window) Close () {
if window.onClose != nil { window.onClose() }
window.Hide()
window.Adopt(nil)
delete(window.backend.windows, window.xWindow.Id)
window.xWindow.Destroy()
}