1// Copyright (C) 2022 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 "qquickplatformcolordialog_p.h"
5
6#include <QtCore/qloggingcategory.h>
7#include <QtGui/qwindow.h>
8#include <QtQml/qqmlcontext.h>
9#include <QtQml/qqmlinfo.h>
10#include <QtQml/qqmlcomponent.h>
11#include <QtQuick/qquickwindow.h>
12#include <QtQuickTemplates2/private/qquickdialog_p.h>
13#include <QtQuickTemplates2/private/qquickdialog_p_p.h>
14#include <QtQuickTemplates2/private/qquickpopup_p_p.h>
15#include <QtQuickTemplates2/private/qquickpopupanchors_p.h>
16
17#include "qquickcolordialogimpl_p.h"
18
19QT_BEGIN_NAMESPACE
20
21Q_STATIC_LOGGING_CATEGORY(lcQuickPlatformColorDialog, "qt.quick.dialogs.quickplatformcolordialog")
22
23QQuickPlatformColorDialog::QQuickPlatformColorDialog(QObject *parent)
24{
25 qCDebug(lcQuickPlatformColorDialog)
26 << "creating non-native Qt Quick ColorDialog with parent" << parent;
27
28 // Set a parent so that we get deleted if we can't be shown for whatever reason.
29 // Our eventual parent should be the window, however.
30 setParent(parent);
31
32 auto qmlContext = ::qmlContext(parent);
33 if (!qmlContext) {
34 qmlWarning(me: parent) << "No QQmlContext for QQuickPlatformColorDialog; can't create "
35 "non-native ColorDialog implementation";
36 return;
37 }
38
39 const auto dialogQmlUrl = QUrl(QStringLiteral(
40 "qrc:/qt-project.org/imports/QtQuick/Dialogs/quickimpl/qml/ColorDialog.qml"));
41 QQmlComponent colorDialogComponent(qmlContext->engine(), dialogQmlUrl, parent);
42 if (!colorDialogComponent.isReady()) {
43 qmlWarning(me: parent) << "Failed to load non-native ColorDialog implementation:\n"
44 << colorDialogComponent.errorString();
45 return;
46 }
47
48 m_dialog = qobject_cast<QQuickColorDialogImpl *>(object: colorDialogComponent.create());
49 if (!m_dialog) {
50 qmlWarning(me: parent) << "Failed to create an instance of the non-native ColorDialog:\n"
51 << colorDialogComponent.errorString();
52 return;
53 }
54 // Give it a parent until it's parented to the window in show().
55 m_dialog->setParent(this);
56
57 connect(sender: m_dialog, signal: &QQuickDialog::accepted, context: this, slot: &QPlatformDialogHelper::accept);
58 connect(sender: m_dialog, signal: &QQuickDialog::rejected, context: this, slot: &QPlatformDialogHelper::reject);
59
60 connect(sender: m_dialog, signal: &QQuickColorDialogImpl::colorChanged, context: this,
61 slot: &QQuickPlatformColorDialog::currentColorChanged);
62}
63
64bool QQuickPlatformColorDialog::isValid() const
65{
66 return m_dialog;
67}
68
69void QQuickPlatformColorDialog::setCurrentColor(const QColor &color)
70{
71 if (m_dialog)
72 m_dialog->setColor(color);
73}
74
75QColor QQuickPlatformColorDialog::currentColor() const
76{
77 return m_dialog ? m_dialog->color().toRgb() : QColor();
78}
79
80void QQuickPlatformColorDialog::exec()
81{
82 qCWarning(lcQuickPlatformColorDialog)
83 << "exec() is not supported for the Qt Quick ColorDialog fallback";
84}
85
86bool QQuickPlatformColorDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality,
87 QWindow *parent)
88{
89 qCDebug(lcQuickPlatformColorDialog)
90 << "show called with flags" << flags << "modality" << modality << "parent" << parent;
91
92 if (!m_dialog || !parent)
93 return false;
94
95 auto quickWindow = qobject_cast<QQuickWindow *>(object: parent);
96
97 if (!quickWindow) {
98 qmlInfo(me: this->parent()) << "Parent window (" << parent
99 << ") of non-native dialog is not a QQuickWindow";
100 return false;
101 }
102
103 m_dialog->setParent(parent);
104 m_dialog->resetParentItem();
105
106 auto popupPrivate = QQuickPopupPrivate::get(popup: m_dialog);
107 popupPrivate->getAnchors()->setCenterIn(m_dialog->parentItem());
108
109 QSharedPointer<QColorDialogOptions> options = QPlatformColorDialogHelper::options();
110
111 m_dialog->setTitle(options->windowTitle());
112 m_dialog->setOptions(options);
113 m_dialog->setWindowModality(modality);
114 m_dialog->open();
115 return true;
116}
117
118void QQuickPlatformColorDialog::hide()
119{
120 if (!m_dialog)
121 return;
122
123 m_dialog->close();
124}
125
126QQuickColorDialogImpl *QQuickPlatformColorDialog::dialog() const
127{
128 return m_dialog;
129}
130
131QT_END_NAMESPACE
132

source code of qtdeclarative/src/quickdialogs/quickdialogsquickimpl/qquickplatformcolordialog.cpp