Fix validation text doesn't update on mouse click selection

src/gui/fspathedit_p.cpp

@@ -162,6 +162,8 @@ Private::FileLineEdit::FileLineEdit(QWidget *parent)
 
     m_completer->setModel(m_completerModel);
     setCompleter(m_completer);
+
+    connect(this, &QLineEdit::textChanged, this, &FileLineEdit::validateText);
 }
 
 Private::FileLineEdit::~FileLineEdit()
@@ -215,12 +217,37 @@ void Private::FileLineEdit::keyPressEvent(QKeyEvent *e)
         m_completerModel->setRootPath(Path(text()).data());
         showCompletionPopup();
     }
+}
 
-    const auto *validator = qobject_cast<const FileSystemPathValidator *>(this->validator());
-    if (validator)
+void Private::FileLineEdit::contextMenuEvent(QContextMenuEvent *event)
+{
+    QMenu *menu = createStandardContextMenu();
+    menu->setAttribute(Qt::WA_DeleteOnClose);
+
+    if (m_browseAction)
     {
+        menu->addSeparator();
+        menu->addAction(m_browseAction);
+    }
+
+    menu->popup(event->globalPos());
+}
+
+void Private::FileLineEdit::showCompletionPopup()
+{
+    m_completer->setCompletionPrefix(text());
+    m_completer->complete();
+}
+
+void Private::FileLineEdit::validateText()
+{
+    const auto *validator = qobject_cast<const FileSystemPathValidator *>(this->validator());
+    if (!validator)
+        return;
+
     const FileSystemPathValidator::TestResult lastTestResult = validator->lastTestResult();
     const QValidator::State lastState = validator->lastValidationState();
+
     if (lastTestResult == FileSystemPathValidator::TestResult::OK)
     {
         delete m_warningAction;
@@ -243,27 +270,6 @@ void Private::FileLineEdit::keyPressEvent(QKeyEvent *e)
             m_warningAction->setIcon(style()->standardIcon(QStyle::SP_MessageBoxInformation));
         m_warningAction->setToolTip(warningText(lastTestResult));
     }
-    }
-}
-
-void Private::FileLineEdit::contextMenuEvent(QContextMenuEvent *event)
-{
-    QMenu *menu = createStandardContextMenu();
-    menu->setAttribute(Qt::WA_DeleteOnClose);
-
-    if (m_browseAction)
-    {
-        menu->addSeparator();
-        menu->addAction(m_browseAction);
-    }
-
-    menu->popup(event->globalPos());
-}
-
-void Private::FileLineEdit::showCompletionPopup()
-{
-    m_completer->setCompletionPrefix(text());
-    m_completer->complete();
 }
 
 QString Private::FileLineEdit::warningText(const FileSystemPathValidator::TestResult result)

src/gui/fspathedit_p.h

@@ -130,8 +130,10 @@ namespace Private
         void contextMenuEvent(QContextMenuEvent *event) override;
 
     private:
-        static QString warningText(FileSystemPathValidator::TestResult result);
         void showCompletionPopup();
+        void validateText();
+
+        static QString warningText(FileSystemPathValidator::TestResult result);
 
         QFileSystemModel *m_completerModel = nullptr;
         QCompleter *m_completer = nullptr;