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fix(bar): defer ListModel sync to prevent re-entrant incubation SIGSEGV

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This commit is contained in:
Lemmy
2026-03-09 12:34:25 -04:00
parent 4d0897d6ed
commit 54ec0878fe
1 changed files with 18 additions and 7 deletions
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Modules/Bar/Bar.qml
+18 -7
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@@ -129,18 +129,29 @@ Item {
target: BarService
function onWidgetsRevisionChanged() {
Logger.d("Bar", "onWidgetsRevisionChanged, revision:", BarService.widgetsRevision, "screen:", root.screen?.name);
var widgets = Settings.getBarWidgetsForScreen(root.screen?.name);
if (widgets) {
root.syncWidgetModel(root.leftWidgetsModel, widgets.left);
root.syncWidgetModel(root.centerWidgetsModel, widgets.center);
root.syncWidgetModel(root.rightWidgetsModel, widgets.right);
}
Qt.callLater(root._syncFromRevision);
}
}
// Initialize models
function _syncFromRevision() {
var widgets = Settings.getBarWidgetsForScreen(screen?.name);
if (widgets) {
syncWidgetModel(leftWidgetsModel, widgets.left);
syncWidgetModel(centerWidgetsModel, widgets.center);
syncWidgetModel(rightWidgetsModel, widgets.right);
}
}
// Initialize models — deferred to next event-loop tick via Qt.callLater to avoid
// re-entrant incubation: Component.onCompleted fires during QQmlObjectCreator::finalize,
// and ListModel.append synchronously creates Repeater delegates whose own finalization
// can corrupt the V4 heap (SIGSEGV in QV4::Object::insertMember).
Component.onCompleted: {
Logger.d("Bar", "Bar Component.onCompleted for screen:", screen?.name);
Qt.callLater(root._initModels);
}
function _initModels() {
var widgets = Settings.getBarWidgetsForScreen(screen?.name);
if (widgets) {
syncWidgetModel(leftWidgetsModel, widgets.left);