Fixed a rare issue in warning bar geometry

ChangeLog

@@ -9,6 +9,7 @@ V1.1.1
  * Protect the file type filters of file dialogs from bad translations.
  * Don't insert garbage when an image can't be loaded.
  * Start searching in node names when Slash is pressed inside the side-pane.
+ * Fixed a rare issue in the geometry of a warning bar animated during window resizing.
  * Changed "Qt5" to "Qt" in the meta-info file (the Qt5 support cannot last indefinitely).
 
 V1.1.0

NEWS

@@ -1,5 +1,5 @@
 Latest version:
 
-	15 Aug 2023, V1.1.1
+	29 Aug 2023, V1.1.1
 
 See "ChangeLog" for changes.

feathernotes/warningbar.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) Pedram Pourang (aka Tsu Jan) 2022 <[email protected]>
+ * Copyright (C) Pedram Pourang (aka Tsu Jan) 2022-2023 <[email protected]>
  *
  * FeatherNotes is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -78,7 +78,7 @@ class WarningBar : public QWidget
 
         if (parent)
         { // compress the bar vertically and show it with animation
-            QTimer::singleShot (anotherBar ? DURATION + 10 : 0, this, [=]() {
+            QTimer::singleShot (anotherBar ? DURATION + 10 : 0, this, [this, parent]() {
                 parent->installEventFilter (this);
                 int h = grid_->minimumHeightForWidth (parent->width()) + grid_->contentsMargins().bottom();
                 QRect g (0, parent->height() - h, parent->width(), h);
@@ -133,7 +133,17 @@ class WarningBar : public QWidget
             if (QWidget *w = qobject_cast<QWidget*>(o))
             {
                 if (w == parentWidget())
-                { // compress the bar as far as its text is shown completely
+                {
+                    if (animation_)
+                    {
+                        animation_->stop();
+                        if (isClosing_)
+                        {
+                            this->deleteLater();
+                            return false;
+                        }
+                    }
+                    /* compress the bar as far as its text is shown completely */
                     int h = grid_->minimumHeightForWidth (w->width()) + grid_->contentsMargins().bottom();
                     setGeometry (QRect (0, w->height() - h, w->width(), h));
                 }
@@ -157,7 +167,6 @@ public slots:
             if (!isClosing_)
             {
                 isClosing_ = true;
-                parentWidget()->removeEventFilter (this); // no movement on closing
                 animation_->stop();
                 animation_->setStartValue (geometry());
                 animation_->setEndValue (QRect (0, parentWidget()->height(), parentWidget()->width(), 0));