[plasmashell] [Bug 445512] When switching between app categories, one random app from the last category appears in the next category

[Jin Liu]

https://bugs.kde.org/show_bug.cgi?id=445512

--- Comment #11 from Jin Liu <ad.liu....@gmail.com> ---
Found a "workaround": force the code to re-create listview when switching
categories, instead of reusing views and restoring bindings.

diff --git a/applets/kickoff/package/contents/ui/ApplicationsPage.qml
b/applets/kickoff/package/contents/ui/ApplicationsPage.qml
index 0987ce175..4403796e9 100644
--- a/applets/kickoff/package/contents/ui/ApplicationsPage.qml
+++ b/applets/kickoff/package/contents/ui/ApplicationsPage.qml
@@ -106,7 +106,7 @@ BasePage {
                     // TODO: maybe find a way to have a list view with grids
in each section?
                     stackView.replace(applicationsListViewComponent)
                 } else if (root.sideBarItem.currentIndex > 1
-                    && stackView.currentItem.objectName !==
stackView.preferredAppsViewObjectName) {
+                    /*&& stackView.currentItem.objectName !==
stackView.preferredAppsViewObjectName*/) {
                     stackView.replace(stackView.preferredAppsViewComponent)
                 }
             }

However this is only a hack. It causes visible flicking. So I guess that's why
views are reused there in the first place.

But that's a hint that there might be some timing/sequencing issue among
RestoreBinding, currentItem.forceActiveFocus and mouse hovering, which caused
"currentItem" drawn in the old model while the rest in the new model?

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