diff options
Diffstat (limited to 'src/quickdialogs/quickdialogsquickimpl/qquickplatformfontdialog.cpp')
-rw-r--r-- | src/quickdialogs/quickdialogsquickimpl/qquickplatformfontdialog.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/quickdialogs/quickdialogsquickimpl/qquickplatformfontdialog.cpp b/src/quickdialogs/quickdialogsquickimpl/qquickplatformfontdialog.cpp new file mode 100644 index 0000000000..4ef0b1bec6 --- /dev/null +++ b/src/quickdialogs/quickdialogsquickimpl/qquickplatformfontdialog.cpp @@ -0,0 +1,145 @@ +// Copyright (C) 2021 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 + +#include "qquickplatformfontdialog_p.h" + +#include <QtCore/qloggingcategory.h> +#include <QtGui/qwindow.h> +#include <QtQml/qqmlcontext.h> +#include <QtQml/qqmlinfo.h> +#include <QtQuick/qquickwindow.h> +#include <QtQuickTemplates2/private/qquickdialog_p.h> +#include <QtQuickTemplates2/private/qquickpopup_p_p.h> +#include <QtQuickTemplates2/private/qquickpopupanchors_p.h> + +#include "qquickfontdialogimpl_p.h" + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(lcQuickPlatformFontDialog, "qt.quick.dialogs.quickplatformfontdialog") + +/*! + \class QQuickPlatformFontDialog + \internal + + An interface that QQuickFontDialog can use to access the non-native Qt Quick FontDialog. + + Both this and the native implementations are created in QQuickAbstractDialog::create(). + +*/ +QQuickPlatformFontDialog::QQuickPlatformFontDialog(QObject *parent) +{ + qCDebug(lcQuickPlatformFontDialog) + << "creating non-native Qt Quick FontDialog with parent" << parent; + + // Set a parent so that we get deleted if we can't be shown for whatever reason. + // Our eventual parent should be the window, though. + setParent(parent); + + auto qmlContext = ::qmlContext(parent); + if (!qmlContext) { + qmlWarning(parent) << "No QQmlContext for QQuickPlatformFontDialog; can't create " + "non-native FontDialog implementation"; + return; + } + + const auto dialogQmlUrl = QUrl(QStringLiteral( + "qrc:/qt-project.org/imports/QtQuick/Dialogs/quickimpl/qml/FontDialog.qml")); + + QQmlComponent fontDialogComponent(qmlContext->engine(), dialogQmlUrl, parent); + if (!fontDialogComponent.isReady()) { + qmlWarning(parent) << "Failed to load non-native FontDialog implementation:\n" + << fontDialogComponent.errorString(); + return; + } + + m_dialog = qobject_cast<QQuickFontDialogImpl *>(fontDialogComponent.create()); + + if (!m_dialog) { + qmlWarning(parent) << "Failed to create an instance of the non-native FontDialog:\n" + << fontDialogComponent.errorString(); + return; + } + + m_dialog->setParent(this); + + connect(m_dialog, &QQuickDialog::accepted, this, &QPlatformDialogHelper::accept); + connect(m_dialog, &QQuickDialog::rejected, this, &QPlatformDialogHelper::reject); + + connect(m_dialog, &QQuickFontDialogImpl::currentFontChanged, + this, &QQuickPlatformFontDialog::currentFontChanged); +} + +bool QQuickPlatformFontDialog::isValid() const +{ + return m_dialog; +} + +void QQuickPlatformFontDialog::setCurrentFont(const QFont &font) +{ + if (m_dialog) { + if (!m_dialog->options()) + m_dialog->setOptions(QPlatformFontDialogHelper::options()); + m_dialog->setCurrentFont(font, true); + } +} + +QFont QQuickPlatformFontDialog::currentFont() const +{ + return m_dialog ? m_dialog->currentFont() : QFont(); +} + +void QQuickPlatformFontDialog::exec() +{ + qCWarning(lcQuickPlatformFontDialog) + << "exec() is not supported for the Qt Quick FontDialog fallback"; +} + +bool QQuickPlatformFontDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, + QWindow *parent) +{ + qCDebug(lcQuickPlatformFontDialog) + << "show called with flags" << flags << "modality" << modality << "parent" << parent; + + if (!isValid()) + return false; + + if (!parent) + return false; + + auto quickWindow = qobject_cast<QQuickWindow *>(parent); + if (!quickWindow) { + qmlInfo(this->parent()) << "Parent window (" << parent + << ") of non-native dialog is not a QQuickWindow"; + return false; + } + m_dialog->setParent(parent); + m_dialog->resetParentItem(); + + auto popupPrivate = QQuickPopupPrivate::get(m_dialog); + popupPrivate->getAnchors()->setCenterIn(m_dialog->parentItem()); + + QSharedPointer<QFontDialogOptions> options = QPlatformFontDialogHelper::options(); + m_dialog->setTitle(options->windowTitle()); + m_dialog->setOptions(options); + + m_dialog->init(); + + m_dialog->open(); + return true; +} + +void QQuickPlatformFontDialog::hide() +{ + if (isValid()) + m_dialog->close(); +} + +QQuickFontDialogImpl *QQuickPlatformFontDialog::dialog() const +{ + return m_dialog; +} + +QT_END_NAMESPACE + +#include "moc_qquickplatformfontdialog_p.cpp" |