1 files changed, 105 insertions, 0 deletions
diff --git a/src/quickcontrols/material/impl/qquickmaterialplaceholdertext_p.h b/src/quickcontrols/material/impl/qquickmaterialplaceholdertext_p.h
new file mode 100644
index 0000000000..bf851d367a
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+++ b/src/quickcontrols/material/impl/qquickmaterialplaceholdertext_p.h
@@ -0,0 +1,105 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QQUICKMATERIALPLACEHOLDERTEXT_P_H
+#define QQUICKMATERIALPLACEHOLDERTEXT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/private/qglobal_p.h>
+#include <QtGui/qcolor.h>
+#include <QtQuickControls2Impl/private/qquickplaceholdertext_p.h>
+
+#include <QtCore/qpointer.h>
+
+QT_BEGIN_NAMESPACE
+
+class QParallelAnimationGroup;
+
+class QQuickMaterialPlaceholderText : public QQuickPlaceholderText
+{
+    Q_OBJECT
+    Q_PROPERTY(bool filled READ isFilled WRITE setFilled NOTIFY filledChanged FINAL)
+    Q_PROPERTY(bool controlHasActiveFocus READ controlHasActiveFocus
+        WRITE setControlHasActiveFocus NOTIFY controlHasActiveFocusChanged FINAL)
+    Q_PROPERTY(bool controlHasText READ controlHasText WRITE setControlHasText NOTIFY controlHasTextChanged FINAL)
+    Q_PROPERTY(int largestHeight READ largestHeight NOTIFY largestHeightChanged FINAL)
+    Q_PROPERTY(qreal verticalPadding READ verticalPadding WRITE setVerticalPadding NOTIFY verticalPaddingChanged FINAL)
+    Q_PROPERTY(qreal controlImplicitBackgroundHeight READ controlImplicitBackgroundHeight
+        WRITE setControlImplicitBackgroundHeight NOTIFY controlImplicitBackgroundHeightChanged FINAL)
+    Q_PROPERTY(qreal controlHeight READ controlHeight WRITE setControlHeight FINAL)
+    QML_NAMED_ELEMENT(FloatingPlaceholderText)
+    QML_ADDED_IN_VERSION(6, 5)
+
+public:
+    explicit QQuickMaterialPlaceholderText(QQuickItem *parent = nullptr);
+
+    bool isFilled() const;
+    void setFilled(bool filled);
+
+    int largestHeight() const;
+
+    bool controlHasActiveFocus() const;
+    void setControlHasActiveFocus(bool controlHasActiveFocus);
+
+    bool controlHasText() const;
+    void setControlHasText(bool controlHasText);
+
+    qreal controlImplicitBackgroundHeight() const;
+    void setControlImplicitBackgroundHeight(qreal controlImplicitBackgroundHeight);
+
+    qreal controlHeight() const;
+    void setControlHeight(qreal controlHeight);
+
+    qreal verticalPadding() const;
+    void setVerticalPadding(qreal verticalPadding);
+
+signals:
+    void filledChanged();
+    void largestHeightChanged();
+    void controlHasActiveFocusChanged();
+    void controlHasTextChanged();
+    void controlImplicitBackgroundHeightChanged();
+    void verticalPaddingChanged();
+
+private slots:
+    void adjustTransformOrigin();
+
+private:
+    bool shouldFloat() const;
+    bool shouldAnimate() const;
+
+    void updateY();
+    qreal normalTargetY() const;
+    qreal floatingTargetY() const;
+
+    void controlGotActiveFocus();
+    void controlLostActiveFocus();
+
+    void maybeSetFocusAnimationProgress();
+
+    void componentComplete() override;
+
+    bool m_filled = false;
+    bool m_controlHasActiveFocus = false;
+    bool m_controlHasText = false;
+    int m_largestHeight = 0;
+    qreal m_verticalPadding = 0;
+    qreal m_controlImplicitBackgroundHeight = 0;
+    qreal m_controlHeight = 0;
+    QPointer<QParallelAnimationGroup> m_focusInAnimation;
+    QPointer<QParallelAnimationGroup> m_focusOutAnimation;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKMATERIALPLACEHOLDERTEXT_P_H