| 1 | // Copyright (C) 2017 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 | #include "qquickplaceholdertext_p.h" |
| 5 | |
| 6 | #include <QtQuick/private/qquicktext_p_p.h> |
| 7 | #include <QtQuick/private/qquicktextinput_p_p.h> |
| 8 | #include <QtQuick/private/qquicktextedit_p_p.h> |
| 9 | |
| 10 | QT_BEGIN_NAMESPACE |
| 11 | |
| 12 | QQuickPlaceholderText::QQuickPlaceholderText(QQuickItem *parent) : QQuickText(parent) |
| 13 | { |
| 14 | } |
| 15 | |
| 16 | void QQuickPlaceholderText::componentComplete() |
| 17 | { |
| 18 | QQuickText::componentComplete(); |
| 19 | |
| 20 | auto control = textControl(); |
| 21 | if (control) |
| 22 | connect(sender: control, SIGNAL(effectiveHorizontalAlignmentChanged()), receiver: this, SLOT(updateAlignment())); |
| 23 | updateAlignment(); |
| 24 | } |
| 25 | |
| 26 | /*! |
| 27 | \internal |
| 28 | |
| 29 | The control that we're representing. This exists because |
| 30 | parentItem() is not always the control - it may be a Flickable |
| 31 | in the case of TextArea. |
| 32 | */ |
| 33 | QQuickItem *QQuickPlaceholderText::textControl() const |
| 34 | { |
| 35 | return qobject_cast<QQuickItem *>(o: parent()); |
| 36 | } |
| 37 | |
| 38 | void QQuickPlaceholderText::updateAlignment() |
| 39 | { |
| 40 | if (QQuickTextInput *input = qobject_cast<QQuickTextInput *>(object: parentItem())) { |
| 41 | if (QQuickTextInputPrivate::get(t: input)->hAlignImplicit) |
| 42 | resetHAlign(); |
| 43 | else |
| 44 | setHAlign(static_cast<HAlignment>(input->hAlign())); |
| 45 | } else if (QQuickTextEdit *edit = qobject_cast<QQuickTextEdit *>(object: parentItem())) { |
| 46 | if (QQuickTextEditPrivate::get(item: edit)->hAlignImplicit) |
| 47 | resetHAlign(); |
| 48 | else |
| 49 | setHAlign(static_cast<HAlignment>(edit->hAlign())); |
| 50 | } else { |
| 51 | resetHAlign(); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | QT_END_NAMESPACE |
| 56 | |
| 57 | #include "moc_qquickplaceholdertext_p.cpp" |
| 58 |