File indexing completed on 2023-10-01 04:05:52

 /*
     SPDX-FileCopyrightText: 2006-2010 Peter Penz <peter.penz@gmx.at>
     SPDX-FileCopyrightText: 2006 Aaron J. Seigo <aseigo@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kurlnavigatorbuttonbase_p.h"
 
 #include <KLocalizedString>
 #include <KUrlNavigator>
 
 #include <QStyle>
 #include <QStyleOptionViewItem>
 
 namespace KDEPrivate
 {
 KUrlNavigatorButtonBase::KUrlNavigatorButtonBase(KUrlNavigator *parent)
     : QPushButton(parent)
     , m_active(true)
     , m_displayHint(0)
 {
     setFocusPolicy(Qt::TabFocus);
     setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
     setMinimumHeight(parent->minimumHeight());
     setAttribute(Qt::WA_LayoutUsesWidgetRect);
 
     connect(this, &KUrlNavigatorButtonBase::pressed, parent, &KUrlNavigator::requestActivation);
 }
 
 KUrlNavigatorButtonBase::~KUrlNavigatorButtonBase()
 {
 }
 
 void KUrlNavigatorButtonBase::setActive(bool active)
 {
     if (m_active != active) {
         m_active = active;
         update();
     }
 }
 
 bool KUrlNavigatorButtonBase::isActive() const
 {
     return m_active;
 }
 
 void KUrlNavigatorButtonBase::setDisplayHintEnabled(DisplayHint hint, bool enable)
 {
     if (enable) {
         m_displayHint = m_displayHint | hint;
     } else {
         m_displayHint = m_displayHint & ~hint;
     }
     update();
 }
 
 bool KUrlNavigatorButtonBase::isDisplayHintEnabled(DisplayHint hint) const
 {
     return (m_displayHint & hint) > 0;
 }
 
 void KUrlNavigatorButtonBase::focusInEvent(QFocusEvent *event)
 {
     setDisplayHintEnabled(EnteredHint, true);
     QPushButton::focusInEvent(event);
 }
 
 void KUrlNavigatorButtonBase::focusOutEvent(QFocusEvent *event)
 {
     setDisplayHintEnabled(EnteredHint, false);
     QPushButton::focusOutEvent(event);
 }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 void KUrlNavigatorButtonBase::enterEvent(QEnterEvent *event)
 #else
 void KUrlNavigatorButtonBase::enterEvent(QEvent *event)
 #endif
 {
     QPushButton::enterEvent(event);
     setDisplayHintEnabled(EnteredHint, true);
     update();
 }
 
 void KUrlNavigatorButtonBase::leaveEvent(QEvent *event)
 {
     QPushButton::leaveEvent(event);
     setDisplayHintEnabled(EnteredHint, false);
     update();
 }
 
 void KUrlNavigatorButtonBase::drawHoverBackground(QPainter *painter)
 {
     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) || isDisplayHintEnabled(DraggedHint) || isDisplayHintEnabled(PopupActiveHint);
 
     QColor backgroundColor = isHighlighted ? palette().color(QPalette::Highlight) : Qt::transparent;
     if (!m_active && isHighlighted) {
         backgroundColor.setAlpha(128);
     }
 
     if (backgroundColor != Qt::transparent) {
         // TODO: the backgroundColor should be applied to the style
         QStyleOptionViewItem option;
         option.initFrom(this);
         option.state = QStyle::State_Enabled | QStyle::State_MouseOver;
         option.viewItemPosition = QStyleOptionViewItem::OnlyOne;
         style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, this);
     }
 }
 
 QColor KUrlNavigatorButtonBase::foregroundColor() const
 {
     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) || isDisplayHintEnabled(DraggedHint) || isDisplayHintEnabled(PopupActiveHint);
 
     QColor foregroundColor = palette().color(foregroundRole());
 
     int alpha = m_active ? 255 : 128;
     if (!m_active && !isHighlighted) {
         alpha -= alpha / 4;
     }
     foregroundColor.setAlpha(alpha);
 
     return foregroundColor;
 }
 
 void KUrlNavigatorButtonBase::activate()
 {
     setActive(true);
 }
 
 } // namespace KDEPrivate
 
 #include "moc_kurlnavigatorbuttonbase_p.cpp"