1// Copyright (C) 2023 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQUICKMATERIALPLACEHOLDERTEXT_P_H
5#define QQUICKMATERIALPLACEHOLDERTEXT_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtCore/private/qglobal_p.h>
19#include <QtGui/qcolor.h>
20#include <QtQuickControls2Impl/private/qquickplaceholdertext_p.h>
21
22#include <QtCore/qpointer.h>
23
24QT_BEGIN_NAMESPACE
25
26class QParallelAnimationGroup;
27
28class QQuickMaterialPlaceholderText : public QQuickPlaceholderText
29{
30 Q_OBJECT
31 Q_PROPERTY(bool filled READ isFilled WRITE setFilled NOTIFY filledChanged FINAL)
32 Q_PROPERTY(bool controlHasActiveFocus READ controlHasActiveFocus
33 WRITE setControlHasActiveFocus NOTIFY controlHasActiveFocusChanged FINAL)
34 Q_PROPERTY(bool controlHasText READ controlHasText WRITE setControlHasText NOTIFY controlHasTextChanged FINAL)
35 Q_PROPERTY(int largestHeight READ largestHeight NOTIFY largestHeightChanged FINAL)
36 Q_PROPERTY(qreal verticalPadding READ verticalPadding WRITE setVerticalPadding NOTIFY verticalPaddingChanged FINAL)
37 Q_PROPERTY(qreal controlImplicitBackgroundHeight READ controlImplicitBackgroundHeight
38 WRITE setControlImplicitBackgroundHeight NOTIFY controlImplicitBackgroundHeightChanged FINAL)
39 Q_PROPERTY(qreal controlHeight READ controlHeight WRITE setControlHeight FINAL)
40 Q_PROPERTY(int leftPadding WRITE setLeftPadding FINAL)
41 Q_PROPERTY(int floatingLeftPadding WRITE setFloatingLeftPadding FINAL)
42 QML_NAMED_ELEMENT(FloatingPlaceholderText)
43 QML_ADDED_IN_VERSION(6, 5)
44
45public:
46 explicit QQuickMaterialPlaceholderText(QQuickItem *parent = nullptr);
47
48 bool isFilled() const;
49 void setFilled(bool filled);
50
51 int largestHeight() const;
52
53 bool controlHasActiveFocus() const;
54 void setControlHasActiveFocus(bool controlHasActiveFocus);
55
56 bool controlHasText() const;
57 void setControlHasText(bool controlHasText);
58
59 qreal controlImplicitBackgroundHeight() const;
60 void setControlImplicitBackgroundHeight(qreal controlImplicitBackgroundHeight);
61
62 qreal controlHeight() const;
63 void setControlHeight(qreal controlHeight);
64
65 qreal verticalPadding() const;
66 void setVerticalPadding(qreal verticalPadding);
67
68 void setLeftPadding(int leftPadding);
69 void setFloatingLeftPadding(int floatingLeftPadding);
70signals:
71 void filledChanged();
72 void largestHeightChanged();
73 void controlHasActiveFocusChanged();
74 void controlHasTextChanged();
75 void controlImplicitBackgroundHeightChanged();
76 void verticalPaddingChanged();
77
78private slots:
79 void adjustTransformOrigin();
80
81private:
82 bool shouldFloat() const;
83 bool shouldAnimate() const;
84
85 void updateY();
86 void updateX();
87 qreal normalTargetY() const;
88 qreal floatingTargetY() const;
89 qreal normalTargetX() const;
90 qreal floatingTargetX() const;
91
92 void controlGotActiveFocus();
93 void controlLostActiveFocus();
94
95 void maybeSetFocusAnimationProgress();
96
97 void componentComplete() override;
98
99 bool m_filled = false;
100 bool m_controlHasActiveFocus = false;
101 bool m_controlHasText = false;
102 int m_largestHeight = 0;
103 qreal m_verticalPadding = 0;
104 qreal m_controlImplicitBackgroundHeight = 0;
105 qreal m_controlHeight = 0;
106 int m_leftPadding = 0;
107 int m_floatingLeftPadding = 0;
108 QPointer<QParallelAnimationGroup> m_focusInAnimation;
109 QPointer<QParallelAnimationGroup> m_focusOutAnimation;
110};
111
112QT_END_NAMESPACE
113
114#endif // QQUICKMATERIALPLACEHOLDERTEXT_P_H
115

source code of qtdeclarative/src/quickcontrols/material/impl/qquickmaterialplaceholdertext_p.h