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libcalamaresui: support Qt6 QMLViewStep

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This commit is contained in:
Adriaan de Groot 2023-10-10 23:24:12 +02:00
parent 628c98becb
commit 4a5e7af9a4
2 changed files with 36 additions and 8 deletions
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34
src/libcalamaresui/viewpages/QmlViewStep.cpp
View File

@ -24,7 +24,12 @@
#include <QQmlContext>
#include <QQmlEngine>
#include <QQuickItem>
#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
#include <QQuickWindow>
#else
#include <QQuickWidget>
#endif
#include <QVBoxLayout>
#include <QWidget>
@ -66,16 +71,22 @@ QmlViewStep::QmlViewStep( QObject* parent )
: ViewStep( parent )
, m_widget( new QWidget )
, m_spinner( new WaitingWidget( tr( "Loading ..." ) ) )
, m_qmlWidget( new QQuickWidget )
{
Calamares::registerQmlModels();
#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
m_qmlEngine = new QQmlEngine( this );
#else
m_qmlWidget = new QQuickWidget;
m_qmlWidget->setResizeMode( QQuickWidget::SizeRootObjectToView );
m_qmlWidget->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
m_qmlEngine = m_qmlWidget->engine();
#endif
QVBoxLayout* layout = new QVBoxLayout( m_widget );
layout->addWidget( m_spinner );
m_qmlWidget->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
m_qmlWidget->setResizeMode( QQuickWidget::SizeRootObjectToView );
m_qmlWidget->engine()->addImportPath( Calamares::qmlModulesDir().absolutePath() );
m_qmlEngine->addImportPath( Calamares::qmlModulesDir().absolutePath() );
// QML Loading starts when the configuration for the module is set.
}
@ -181,11 +192,20 @@ QmlViewStep::loadComplete()
}
else
{
#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
auto* quick = new QQuickWindow;
auto* root = quick->contentItem();
m_qmlObject->setParentItem( root );
m_qmlObject->bindableWidth().setBinding( [ = ]() { return root->width(); } );
m_qmlObject->bindableHeight().setBinding( [ = ]() { return root->height(); } );
m_qmlWidget = QWidget::createWindowContainer( quick, m_widget );
#else
// setContent() is public API, but not documented publicly.
// It is marked \internal in the Qt sources, but does exactly
// what is needed: sets up visual parent by replacing the root
// item, and handling resizes.
m_qmlWidget->setContent( QUrl( m_qmlFileName ), m_qmlComponent, m_qmlObject );
#endif
showQml();
}
}
@ -241,8 +261,8 @@ QmlViewStep::setConfigurationMap( const QVariantMap& configurationMap )
}
cDebug() << "QmlViewStep" << moduleInstanceKey() << "loading" << m_qmlFileName;
m_qmlComponent = new QQmlComponent(
m_qmlWidget->engine(), QUrl( m_qmlFileName ), QQmlComponent::CompilationMode::Asynchronous );
m_qmlComponent
= new QQmlComponent( m_qmlEngine, QUrl( m_qmlFileName ), QQmlComponent::CompilationMode::Asynchronous );
connect( m_qmlComponent, &QQmlComponent::statusChanged, this, &QmlViewStep::loadComplete );
if ( m_qmlComponent->status() == QQmlComponent::Error )
{
@ -275,7 +295,7 @@ QmlViewStep::getConfig()
void
QmlViewStep::setContextProperty( const char* name, QObject* property )
{
m_qmlWidget->engine()->rootContext()->setContextProperty( name, property );
m_qmlEngine->rootContext()->setContextProperty( name, property );
}
} // namespace Calamares

10
src/libcalamaresui/viewpages/QmlViewStep.h
View File

@ -14,6 +14,7 @@
#include "viewpages/ViewStep.h"
class QQmlComponent;
class QQmlEngine;
class QQuickItem;
class QQuickWidget;
class WaitingWidget;
@ -109,7 +110,14 @@ private:
QWidget* m_widget = nullptr;
WaitingWidget* m_spinner = nullptr;
QQuickWidget* m_qmlWidget = nullptr;
#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
QWidget* m_qmlWidget = nullptr; // Qt6: container for QQuickWindow
#else
QQuickWidget * m_qmlWidget = nullptr;
#endif
QQmlEngine* m_qmlEngine = nullptr; // Qt5: points to QuickWidget engine, Qt6: separate engine
QQmlComponent* m_qmlComponent = nullptr;
QQuickItem* m_qmlObject = nullptr;
};