Q_OBJECT
public:
- KItemListContainerViewport(QGraphicsScene* scene, QWidget* parent);
+ KItemListContainerViewport(QGraphicsScene *scene, QWidget *parent);
+
protected:
- void wheelEvent(QWheelEvent* event) override;
+ void wheelEvent(QWheelEvent *event) override;
};
-KItemListContainerViewport::KItemListContainerViewport(QGraphicsScene* scene, QWidget* parent) :
- QGraphicsView(scene, parent)
+KItemListContainerViewport::KItemListContainerViewport(QGraphicsScene *scene, QWidget *parent)
+ : QGraphicsView(scene, parent)
{
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setFrameShape(QFrame::NoFrame);
}
-void KItemListContainerViewport::wheelEvent(QWheelEvent* event)
+void KItemListContainerViewport::wheelEvent(QWheelEvent *event)
{
// Assure that the wheel-event gets forwarded to the parent
// and not handled at all by QGraphicsView.
event->ignore();
}
-KItemListContainer::KItemListContainer(KItemListController* controller, QWidget* parent) :
- QAbstractScrollArea(parent),
- m_controller(controller),
- m_horizontalSmoothScroller(nullptr),
- m_verticalSmoothScroller(nullptr),
- m_scroller(nullptr)
+KItemListContainer::KItemListContainer(KItemListController *controller, QWidget *parent)
+ : QAbstractScrollArea(parent)
+ , m_controller(controller)
+ , m_horizontalSmoothScroller(nullptr)
+ , m_verticalSmoothScroller(nullptr)
+ , m_scroller(nullptr)
{
Q_ASSERT(controller);
controller->setParent(this);
- QGraphicsView* graphicsView = new KItemListContainerViewport(new QGraphicsScene(this), this);
+ QGraphicsView *graphicsView = new KItemListContainerViewport(new QGraphicsScene(this), this);
setViewport(graphicsView);
m_horizontalSmoothScroller = new KItemListSmoothScroller(horizontalScrollBar(), this);
slotViewChanged(controller->view(), nullptr);
}
- connect(controller, &KItemListController::modelChanged,
- this, &KItemListContainer::slotModelChanged);
- connect(controller, &KItemListController::viewChanged,
- this, &KItemListContainer::slotViewChanged);
+ connect(controller, &KItemListController::modelChanged, this, &KItemListContainer::slotModelChanged);
+ connect(controller, &KItemListController::viewChanged, this, &KItemListContainer::slotViewChanged);
m_scroller = QScroller::scroller(viewport());
m_scroller->grabGesture(viewport());
- connect(controller, &KItemListController::scrollerStop,
- this, &KItemListContainer::stopScroller);
- connect(m_scroller, &QScroller::stateChanged,
- controller, &KItemListController::slotStateChanged);
+ connect(controller, &KItemListController::scrollerStop, this, &KItemListContainer::stopScroller);
+ connect(m_scroller, &QScroller::stateChanged, controller, &KItemListController::slotStateChanged);
}
KItemListContainer::~KItemListContainer()
m_controller = nullptr;
}
-KItemListController* KItemListContainer::controller() const
+KItemListController *KItemListContainer::controller() const
{
return m_controller;
}
void KItemListContainer::setEnabledFrame(bool enable)
{
- QGraphicsView* graphicsView = qobject_cast<QGraphicsView*>(viewport());
+ QGraphicsView *graphicsView = qobject_cast<QGraphicsView *>(viewport());
if (enable) {
setFrameShape(QFrame::StyledPanel);
graphicsView->setPalette(palette());
// to the text color, so that enough contrast is given for all color
// schemes
QPalette p = graphicsView->palette();
- p.setColor(QPalette::Active, QPalette::Text, p.color(QPalette::Active, QPalette::WindowText));
+ p.setColor(QPalette::Active, QPalette::Text, p.color(QPalette::Active, QPalette::WindowText));
p.setColor(QPalette::Inactive, QPalette::Text, p.color(QPalette::Inactive, QPalette::WindowText));
p.setColor(QPalette::Disabled, QPalette::Text, p.color(QPalette::Disabled, QPalette::WindowText));
graphicsView->setPalette(p);
bool KItemListContainer::enabledFrame() const
{
- const QGraphicsView* graphicsView = qobject_cast<QGraphicsView*>(viewport());
+ const QGraphicsView *graphicsView = qobject_cast<QGraphicsView *>(viewport());
return graphicsView->autoFillBackground();
}
-void KItemListContainer::keyPressEvent(QKeyEvent* event)
+void KItemListContainer::keyPressEvent(QKeyEvent *event)
{
// TODO: We should find a better way to handle the key press events in the view.
// The reasons why we need this hack are:
// 2. By default, the KItemListView does not have the keyboard focus in the QGraphicsScene, so
// simply sending the event to the QGraphicsView which is the KItemListContainer's viewport
// does not work.
- KItemListView* view = m_controller->view();
+ KItemListView *view = m_controller->view();
if (view) {
QApplication::sendEvent(view, event);
}
}
-void KItemListContainer::showEvent(QShowEvent* event)
+void KItemListContainer::showEvent(QShowEvent *event)
{
QAbstractScrollArea::showEvent(event);
updateGeometries();
}
-void KItemListContainer::resizeEvent(QResizeEvent* event)
+void KItemListContainer::resizeEvent(QResizeEvent *event)
{
QAbstractScrollArea::resizeEvent(event);
updateGeometries();
m_verticalSmoothScroller->scrollContentsBy(dy);
}
-void KItemListContainer::wheelEvent(QWheelEvent* event)
+void KItemListContainer::wheelEvent(QWheelEvent *event)
{
if (event->modifiers().testFlag(Qt::ControlModifier)) {
event->ignore();
return;
}
- KItemListView* view = m_controller->view();
+ KItemListView *view = m_controller->view();
if (!view) {
event->ignore();
return;
}
- const bool scrollHorizontally = (qAbs(event->angleDelta().y()) < qAbs(event->angleDelta().x())) ||
- (!verticalScrollBar()->isVisible());
- KItemListSmoothScroller* smoothScroller = scrollHorizontally ?
- m_horizontalSmoothScroller : m_verticalSmoothScroller;
+ const bool scrollHorizontally = (qAbs(event->angleDelta().y()) < qAbs(event->angleDelta().x())) || (!verticalScrollBar()->isVisible());
+ KItemListSmoothScroller *smoothScroller = scrollHorizontally ? m_horizontalSmoothScroller : m_verticalSmoothScroller;
smoothScroller->handleWheelEvent(event);
}
updateSmoothScrollers(current);
}
-void KItemListContainer::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
+void KItemListContainer::slotModelChanged(KItemModelBase *current, KItemModelBase *previous)
{
Q_UNUSED(current)
Q_UNUSED(previous)
}
-void KItemListContainer::slotViewChanged(KItemListView* current, KItemListView* previous)
+void KItemListContainer::slotViewChanged(KItemListView *current, KItemListView *previous)
{
- QGraphicsScene* scene = static_cast<QGraphicsView*>(viewport())->scene();
+ QGraphicsScene *scene = static_cast<QGraphicsView *>(viewport())->scene();
if (previous) {
scene->removeItem(previous);
- disconnect(previous, &KItemListView::scrollOrientationChanged,
- this, &KItemListContainer::slotScrollOrientationChanged);
- disconnect(previous, &KItemListView::scrollOffsetChanged,
- this, &KItemListContainer::updateScrollOffsetScrollBar);
- disconnect(previous, &KItemListView::maximumScrollOffsetChanged,
- this, &KItemListContainer::updateScrollOffsetScrollBar);
- disconnect(previous, &KItemListView::itemOffsetChanged,
- this, &KItemListContainer::updateItemOffsetScrollBar);
- disconnect(previous, &KItemListView::maximumItemOffsetChanged,
- this, &KItemListContainer::updateItemOffsetScrollBar);
+ disconnect(previous, &KItemListView::scrollOrientationChanged, this, &KItemListContainer::slotScrollOrientationChanged);
+ disconnect(previous, &KItemListView::scrollOffsetChanged, this, &KItemListContainer::updateScrollOffsetScrollBar);
+ disconnect(previous, &KItemListView::maximumScrollOffsetChanged, this, &KItemListContainer::updateScrollOffsetScrollBar);
+ disconnect(previous, &KItemListView::itemOffsetChanged, this, &KItemListContainer::updateItemOffsetScrollBar);
+ disconnect(previous, &KItemListView::maximumItemOffsetChanged, this, &KItemListContainer::updateItemOffsetScrollBar);
disconnect(previous, &KItemListView::scrollTo, this, &KItemListContainer::scrollTo);
disconnect(m_horizontalSmoothScroller, &KItemListSmoothScroller::scrollingStopped, previous, &KItemListView::scrollingStopped);
disconnect(m_verticalSmoothScroller, &KItemListSmoothScroller::scrollingStopped, previous, &KItemListView::scrollingStopped);
}
if (current) {
scene->addItem(current);
- connect(current, &KItemListView::scrollOrientationChanged,
- this, &KItemListContainer::slotScrollOrientationChanged);
- connect(current, &KItemListView::scrollOffsetChanged,
- this, &KItemListContainer::updateScrollOffsetScrollBar);
- connect(current, &KItemListView::maximumScrollOffsetChanged,
- this, &KItemListContainer::updateScrollOffsetScrollBar);
- connect(current, &KItemListView::itemOffsetChanged,
- this, &KItemListContainer::updateItemOffsetScrollBar);
- connect(current, &KItemListView::maximumItemOffsetChanged,
- this, &KItemListContainer::updateItemOffsetScrollBar);
+ connect(current, &KItemListView::scrollOrientationChanged, this, &KItemListContainer::slotScrollOrientationChanged);
+ connect(current, &KItemListView::scrollOffsetChanged, this, &KItemListContainer::updateScrollOffsetScrollBar);
+ connect(current, &KItemListView::maximumScrollOffsetChanged, this, &KItemListContainer::updateScrollOffsetScrollBar);
+ connect(current, &KItemListView::itemOffsetChanged, this, &KItemListContainer::updateItemOffsetScrollBar);
+ connect(current, &KItemListView::maximumItemOffsetChanged, this, &KItemListContainer::updateItemOffsetScrollBar);
connect(current, &KItemListView::scrollTo, this, &KItemListContainer::scrollTo);
connect(m_horizontalSmoothScroller, &KItemListSmoothScroller::scrollingStopped, current, &KItemListView::scrollingStopped);
connect(m_verticalSmoothScroller, &KItemListSmoothScroller::scrollingStopped, current, &KItemListView::scrollingStopped);
void KItemListContainer::scrollTo(qreal offset)
{
- const KItemListView* view = m_controller->view();
+ const KItemListView *view = m_controller->view();
if (view) {
if (view->scrollOrientation() == Qt::Vertical) {
m_verticalSmoothScroller->scrollTo(offset);
void KItemListContainer::updateScrollOffsetScrollBar()
{
- const KItemListView* view = m_controller->view();
+ const KItemListView *view = m_controller->view();
if (!view) {
return;
}
- KItemListSmoothScroller* smoothScroller = nullptr;
- QScrollBar* scrollOffsetScrollBar = nullptr;
+ KItemListSmoothScroller *smoothScroller = nullptr;
+ QScrollBar *scrollOffsetScrollBar = nullptr;
int singleStep = 0;
int pageStep = 0;
int maximum = 0;
const int value = view->scrollOffset();
if (smoothScroller->requestScrollBarUpdate(maximum)) {
- const bool updatePolicy = (scrollOffsetScrollBar->maximum() > 0 && maximum == 0)
- || horizontalScrollBarPolicy() == Qt::ScrollBarAlwaysOn;
+ const bool updatePolicy = (scrollOffsetScrollBar->maximum() > 0 && maximum == 0) || horizontalScrollBarPolicy() == Qt::ScrollBarAlwaysOn;
scrollOffsetScrollBar->setSingleStep(singleStep);
scrollOffsetScrollBar->setPageStep(pageStep);
void KItemListContainer::updateItemOffsetScrollBar()
{
- const KItemListView* view = m_controller->view();
+ const KItemListView *view = m_controller->view();
if (!view) {
return;
}
- KItemListSmoothScroller* smoothScroller = nullptr;
- QScrollBar* itemOffsetScrollBar = nullptr;
+ KItemListSmoothScroller *smoothScroller = nullptr;
+ QScrollBar *itemOffsetScrollBar = nullptr;
int singleStep = 0;
int pageStep = 0;
if (view->scrollOrientation() == Qt::Vertical) {
scrollbarSpacing = style()->pixelMetric(QStyle::PM_ScrollView_ScrollBarSpacing, &option, this);
}
- const int widthDec = verticalScrollBar()->isVisible()
- ? extra + scrollbarSpacing + style()->pixelMetric(QStyle::PM_ScrollBarExtent, &option, this)
- : extra;
+ const int widthDec = verticalScrollBar()->isVisible() ? extra + scrollbarSpacing + style()->pixelMetric(QStyle::PM_ScrollBarExtent, &option, this) : extra;
- const int heightDec = horizontalScrollBar()->isVisible()
- ? extra + scrollbarSpacing + style()->pixelMetric(QStyle::PM_ScrollBarExtent, &option, this)
- : extra;
+ const int heightDec =
+ horizontalScrollBar()->isVisible() ? extra + scrollbarSpacing + style()->pixelMetric(QStyle::PM_ScrollBarExtent, &option, this) : extra;
- const QRectF newGeometry(0, 0, rect.width() - widthDec,
- rect.height() - heightDec);
+ const QRectF newGeometry(0, 0, rect.width() - widthDec, rect.height() - heightDec);
if (m_controller->view()->geometry() != newGeometry) {
m_controller->view()->setGeometry(newGeometry);
// Get the real geometry of the view again since the scrollbars
// visibilities and the view geometry may have changed in re-layout.
- static_cast<KItemListContainerViewport*>(viewport())->scene()->setSceneRect(m_controller->view()->geometry());
- static_cast<KItemListContainerViewport*>(viewport())->viewport()->setGeometry(m_controller->view()->geometry().toRect());
+ static_cast<KItemListContainerViewport *>(viewport())->scene()->setSceneRect(m_controller->view()->geometry());
+ static_cast<KItemListContainerViewport *>(viewport())->viewport()->setGeometry(m_controller->view()->geometry().toRect());
updateScrollOffsetScrollBar();
updateItemOffsetScrollBar();
void KItemListContainer::updateScrollOffsetScrollBarPolicy()
{
- const KItemListView* view = m_controller->view();
+ const KItemListView *view = m_controller->view();
Q_ASSERT(view);
const bool vertical = (view->scrollOrientation() == Qt::Vertical);
newViewSize.rheight() += scrollBarInc;
}
- const Qt::ScrollBarPolicy policy = view->scrollBarRequired(newViewSize)
- ? Qt::ScrollBarAlwaysOn : Qt::ScrollBarAsNeeded;
+ const Qt::ScrollBarPolicy policy = view->scrollBarRequired(newViewSize) ? Qt::ScrollBarAlwaysOn : Qt::ScrollBarAsNeeded;
if (vertical) {
setVerticalScrollBarPolicy(policy);
} else {