Steve Lhomme pushed to branch master at VideoLAN / VLC
Commits:
810ae8d0 by Pierre Lamot at 2025-11-17T11:19:24+00:00
qml: fix null access due to `Qt.callLater`
fix warning "TypeError: Value is null and could not be converted to an object
(exception occurred during delayed function evaluation)"
When using a lambda with `callLater`, QML doesn't check with that used objects
exists, this can be problematic during the destruction phase. Using an object
function fix the issue (observed with Qt 6.2 and 6.8)
- - - - -
1 changed file:
- modules/gui/qt/widgets/qml/FadingEdge.qml
Changes:
=====================================
modules/gui/qt/widgets/qml/FadingEdge.qml
=====================================
@@ -199,20 +199,24 @@ Item {
onBeginningFadeSizeChanged: {
if (!beginningFadeBehavior.enabled) {
- Qt.callLater(() => {
- beginningFadeBehavior.enabled = true
- })
+ Qt.callLater(effect._enableBeginningFadeBehavior)
}
}
onEndFadeSizeChanged: {
if (!endFadeBehavior.enabled) {
- Qt.callLater(() => {
- endFadeBehavior.enabled = true
- })
+ Qt.callLater(effect._enableEndFadeBehavior)
}
}
+ function _enableBeginningFadeBehavior() {
+ beginningFadeBehavior.enabled = true
+ }
+
+ function _enableEndFadeBehavior() {
+ endFadeBehavior.enabled = true
+ }
+
Component.onCompleted: {
console.assert(shaderEffectSource.shaderEffect === null)
shaderEffectSource.shaderEffect = this
View it on GitLab:
https://code.videolan.org/videolan/vlc/-/commit/810ae8d0bc235f3b6ff0b282096eba6f9c62ae25
--
View it on GitLab:
https://code.videolan.org/videolan/vlc/-/commit/810ae8d0bc235f3b6ff0b282096eba6f9c62ae25
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