File indexing completed on 2024-04-14 03:53:49

 /*
  * SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  */
 
 #include "toolbarlayoutdelegate.h"
 
 #include "loggingcategory.h"
 #include "toolbarlayout.h"
 
 ToolBarDelegateIncubator::ToolBarDelegateIncubator(QQmlComponent *component, QQmlContext *context)
     : QQmlIncubator(QQmlIncubator::Asynchronous)
     , m_component(component)
     , m_context(context)
 {
 }
 
 void ToolBarDelegateIncubator::setStateCallback(std::function<void(QQuickItem *)> callback)
 {
     m_stateCallback = callback;
 }
 
 void ToolBarDelegateIncubator::setCompletedCallback(std::function<void(ToolBarDelegateIncubator *)> callback)
 {
     m_completedCallback = callback;
 }
 
 void ToolBarDelegateIncubator::create()
 {
     m_component->create(*this, m_context);
 }
 
 bool ToolBarDelegateIncubator::isFinished()
 {
     return m_finished;
 }
 
 void ToolBarDelegateIncubator::setInitialState(QObject *object)
 {
     auto item = qobject_cast<QQuickItem *>(object);
     if (item) {
         m_stateCallback(item);
     }
 }
 
 void ToolBarDelegateIncubator::statusChanged(QQmlIncubator::Status status)
 {
     if (status == QQmlIncubator::Error) {
         qCWarning(KirigamiLog) << "Could not create delegate for ToolBarLayout";
         const auto e = errors();
         for (const auto &error : e) {
             qCWarning(KirigamiLog) << error;
         }
         m_finished = true;
     }
 
     if (status == QQmlIncubator::Ready) {
         m_completedCallback(this);
         m_finished = true;
     }
 }
 
 ToolBarLayoutDelegate::ToolBarLayoutDelegate(ToolBarLayout *parent)
     : QObject() // Note: delegates are managed by unique_ptr, so don't parent
     , m_parent(parent)
 {
 }
 
 ToolBarLayoutDelegate::~ToolBarLayoutDelegate()
 {
     if (m_fullIncubator) {
         m_fullIncubator->clear();
         delete m_fullIncubator;
     }
     if (m_iconIncubator) {
         m_iconIncubator->clear();
         delete m_iconIncubator;
     }
     if (m_full) {
         m_full->disconnect(this);
         delete m_full;
     }
     if (m_icon) {
         m_icon->disconnect(this);
         delete m_icon;
     }
 }
 
 QObject *ToolBarLayoutDelegate::action() const
 {
     return m_action;
 }
 
 void ToolBarLayoutDelegate::setAction(QObject *action)
 {
     if (action == m_action) {
         return;
     }
 
     if (m_action) {
         QObject::disconnect(m_action, SIGNAL(visibleChanged()), this, SLOT(actionVisibleChanged()));
         QObject::disconnect(m_action, SIGNAL(displayHintChanged()), this, SLOT(displayHintChanged()));
     }
 
     m_action = action;
     if (m_action) {
         if (m_action->property("visible").isValid()) {
             QObject::connect(m_action, SIGNAL(visibleChanged()), this, SLOT(actionVisibleChanged()));
             m_actionVisible = m_action->property("visible").toBool();
         }
 
         if (m_action->property("displayHint").isValid()) {
             QObject::connect(m_action, SIGNAL(displayHintChanged()), this, SLOT(displayHintChanged()));
             m_displayHint = DisplayHint::DisplayHints{m_action->property("displayHint").toInt()};
         }
     }
 }
 
 void ToolBarLayoutDelegate::createItems(QQmlComponent *fullComponent, QQmlComponent *iconComponent, std::function<void(QQuickItem *)> callback)
 {
     m_fullIncubator = new ToolBarDelegateIncubator(fullComponent, qmlContext(fullComponent));
     m_fullIncubator->setStateCallback(callback);
     m_fullIncubator->setCompletedCallback([this](ToolBarDelegateIncubator *incubator) {
         if (incubator->isError()) {
             qCWarning(KirigamiLog) << "Could not create delegate for ToolBarLayout";
             const auto errors = incubator->errors();
             for (const auto &error : errors) {
                 qCWarning(KirigamiLog) << error;
             }
             return;
         }
 
         m_full = qobject_cast<QQuickItem *>(incubator->object());
         m_full->setVisible(false);
         connect(m_full, &QQuickItem::implicitWidthChanged, this, &ToolBarLayoutDelegate::triggerRelayout);
         connect(m_full, &QQuickItem::implicitHeightChanged, this, &ToolBarLayoutDelegate::triggerRelayout);
         connect(m_full, &QQuickItem::visibleChanged, this, &ToolBarLayoutDelegate::ensureItemVisibility);
 
         if (m_icon) {
             m_ready = true;
         }
 
         m_parent->relayout();
 
         QMetaObject::invokeMethod(this, &ToolBarLayoutDelegate::cleanupIncubators, Qt::QueuedConnection);
     });
     m_iconIncubator = new ToolBarDelegateIncubator(iconComponent, qmlContext(iconComponent));
     m_iconIncubator->setStateCallback(callback);
     m_iconIncubator->setCompletedCallback([this](ToolBarDelegateIncubator *incubator) {
         if (incubator->isError()) {
             qCWarning(KirigamiLog) << "Could not create delegate for ToolBarLayout";
             const auto errors = incubator->errors();
             for (const auto &error : errors) {
                 qCWarning(KirigamiLog) << error;
             }
             return;
         }
 
         m_icon = qobject_cast<QQuickItem *>(incubator->object());
         m_icon->setVisible(false);
         connect(m_icon, &QQuickItem::implicitWidthChanged, this, &ToolBarLayoutDelegate::triggerRelayout);
         connect(m_icon, &QQuickItem::implicitHeightChanged, this, &ToolBarLayoutDelegate::triggerRelayout);
         connect(m_icon, &QQuickItem::visibleChanged, this, &ToolBarLayoutDelegate::ensureItemVisibility);
 
         if (m_full) {
             m_ready = true;
         }
 
         m_parent->relayout();
 
         QMetaObject::invokeMethod(this, &ToolBarLayoutDelegate::cleanupIncubators, Qt::QueuedConnection);
     });
 
     m_fullIncubator->create();
     m_iconIncubator->create();
 }
 
 bool ToolBarLayoutDelegate::isReady() const
 {
     return m_ready;
 }
 
 bool ToolBarLayoutDelegate::isActionVisible() const
 {
     return m_actionVisible;
 }
 
 bool ToolBarLayoutDelegate::isHidden() const
 {
     return DisplayHint::isDisplayHintSet(m_displayHint, DisplayHint::AlwaysHide);
 }
 
 bool ToolBarLayoutDelegate::isIconOnly() const
 {
     return DisplayHint::isDisplayHintSet(m_displayHint, DisplayHint::IconOnly);
 }
 
 bool ToolBarLayoutDelegate::isKeepVisible() const
 {
     return DisplayHint::isDisplayHintSet(m_displayHint, DisplayHint::KeepVisible);
 }
 
 bool ToolBarLayoutDelegate::isVisible() const
 {
     return m_iconVisible || m_fullVisible;
 }
 
 void ToolBarLayoutDelegate::hide()
 {
     m_iconVisible = false;
     m_fullVisible = false;
     ensureItemVisibility();
 }
 
 void ToolBarLayoutDelegate::showFull()
 {
     m_iconVisible = false;
     m_fullVisible = true;
 }
 
 void ToolBarLayoutDelegate::showIcon()
 {
     m_iconVisible = true;
     m_fullVisible = false;
 }
 
 void ToolBarLayoutDelegate::show()
 {
     ensureItemVisibility();
 }
 
 void ToolBarLayoutDelegate::setPosition(qreal x, qreal y)
 {
     m_full->setX(x);
     m_icon->setX(x);
     m_full->setY(y);
     m_icon->setY(y);
 }
 
 void ToolBarLayoutDelegate::setHeight(qreal height)
 {
     m_full->setHeight(height);
     m_icon->setHeight(height);
 }
 
 void ToolBarLayoutDelegate::resetHeight()
 {
     m_full->resetHeight();
     m_icon->resetHeight();
 }
 
 qreal ToolBarLayoutDelegate::width() const
 {
     if (m_iconVisible) {
         return m_icon->width();
     }
     return m_full->width();
 }
 
 qreal ToolBarLayoutDelegate::height() const
 {
     if (m_iconVisible) {
         return m_icon->height();
     }
     return m_full->height();
 }
 
 qreal ToolBarLayoutDelegate::implicitWidth() const
 {
     if (m_iconVisible) {
         return m_icon->implicitWidth();
     }
     return m_full->implicitWidth();
 }
 
 qreal ToolBarLayoutDelegate::implicitHeight() const
 {
     if (m_iconVisible) {
         return m_icon->implicitHeight();
     }
     return m_full->implicitHeight();
 }
 
 qreal ToolBarLayoutDelegate::maxHeight() const
 {
     return std::max(m_full->implicitHeight(), m_icon->implicitHeight());
 }
 
 qreal ToolBarLayoutDelegate::iconWidth() const
 {
     return m_icon->width();
 }
 
 qreal ToolBarLayoutDelegate::fullWidth() const
 {
     return m_full->width();
 }
 
 void ToolBarLayoutDelegate::actionVisibleChanged()
 {
     m_actionVisible = m_action->property("visible").toBool();
     m_parent->relayout();
 }
 
 void ToolBarLayoutDelegate::displayHintChanged()
 {
     m_displayHint = DisplayHint::DisplayHints{m_action->property("displayHint").toInt()};
     m_parent->relayout();
 }
 
 void ToolBarLayoutDelegate::cleanupIncubators()
 {
     if (m_fullIncubator && m_fullIncubator->isFinished()) {
         delete m_fullIncubator;
         m_fullIncubator = nullptr;
     }
 
     if (m_iconIncubator && m_iconIncubator->isFinished()) {
         delete m_iconIncubator;
         m_iconIncubator = nullptr;
     }
 }
 
 void ToolBarLayoutDelegate::triggerRelayout()
 {
     m_parent->relayout();
 }
 
 #include "moc_toolbarlayoutdelegate.cpp"