Add cleared property to Clear* classes

widgets/clearcombobox.h

@@ -9,6 +9,8 @@ namespace QtUtilities {
 
 class QT_UTILITIES_EXPORT ClearComboBox : public QComboBox, public ButtonOverlay {
     Q_OBJECT
+    Q_PROPERTY(bool cleared READ isCleared)
+
 public:
     explicit ClearComboBox(QWidget *parent = nullptr);
     ~ClearComboBox() override;

widgets/clearlineedit.h

@@ -13,6 +13,8 @@ class IconButton;
 
 class QT_UTILITIES_EXPORT ClearLineEdit : public QLineEdit, public ButtonOverlay {
     Q_OBJECT
+    Q_PROPERTY(bool cleared READ isCleared)
+
 public:
     explicit ClearLineEdit(QWidget *parent = nullptr);
     ~ClearLineEdit() override;

widgets/clearplaintextedit.h

@@ -9,6 +9,8 @@ namespace QtUtilities {
 
 class QT_UTILITIES_EXPORT ClearPlainTextEdit : public QPlainTextEdit, public ButtonOverlay {
     Q_OBJECT
+    Q_PROPERTY(bool cleared READ isCleared)
+
 public:
     explicit ClearPlainTextEdit(QWidget *parent = nullptr);
     ~ClearPlainTextEdit() override;

widgets/clearspinbox.h

@@ -14,9 +14,9 @@ class IconButton;
 
 class QT_UTILITIES_EXPORT ClearSpinBox : public QSpinBox, public ButtonOverlay {
     Q_OBJECT
+    Q_PROPERTY(bool cleared READ isCleared)
     Q_PROPERTY(bool minimumHidden READ minimumHidden WRITE setMinimumHidden)
     Q_PROPERTY(QString placeholderText READ placeholderText WRITE setPlaceholderText)
-    Q_PROPERTY(bool isCleared READ isCleared)
 
 public:
     explicit ClearSpinBox(QWidget *parent = nullptr);