-ChatView::ChatView(BufferId bufferId, QWidget *parent)
- : QGraphicsView(parent),
- AbstractChatView(),
- _bufferContainer(0),
- _currentScaleFactor(1),
- _invalidateFilter(false)
-{
- QList<BufferId> filterList;
- filterList.append(bufferId);
- MessageFilter *filter = new MessageFilter(Client::messageModel(), filterList, this);
- init(filter);
-}
-
-ChatView::ChatView(MessageFilter *filter, QWidget *parent)
- : QGraphicsView(parent),
- AbstractChatView(),
- _bufferContainer(0),
- _currentScaleFactor(1),
- _invalidateFilter(false)
-{
- init(filter);
-}
-
-void ChatView::init(MessageFilter *filter) {
- setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
- setAlignment(Qt::AlignBottom);
- setInteractive(true);
- //setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing);
- // setOptimizationFlags(QGraphicsView::DontAdjustForAntialiasing);
- setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
- // setTransformationAnchor(QGraphicsView::NoAnchor);
- setTransformationAnchor(QGraphicsView::AnchorViewCenter);
-
- _scrollTimer.setInterval(100);
- _scrollTimer.setSingleShot(true);
- connect(&_scrollTimer, SIGNAL(timeout()), SLOT(scrollTimerTimeout()));
-
- _scene = new ChatScene(filter, filter->idString(), viewport()->width() - 4, this); // see below: resizeEvent()
- connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(sceneRectChanged(const QRectF &)));
- connect(_scene, SIGNAL(lastLineChanged(QGraphicsItem *, qreal)), this, SLOT(lastLineChanged(QGraphicsItem *, qreal)));
- connect(_scene, SIGNAL(mouseMoveWhileSelecting(const QPointF &)), this, SLOT(mouseMoveWhileSelecting(const QPointF &)));
- setScene(_scene);
-
- connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int)));
-
- // only connect if client is synched with a core
- if(Client::isConnected())
- connect(Client::ignoreListManager(), SIGNAL(ignoreListChanged()), this, SLOT(invalidateFilter()));
-}
-
-bool ChatView::event(QEvent *event) {
- if(event->type() == QEvent::KeyPress) {
- QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
- switch(keyEvent->key()) {
- case Qt::Key_Up:
- case Qt::Key_Down:
- case Qt::Key_PageUp:
- case Qt::Key_PageDown:
- if(!verticalScrollBar()->isVisible()) {
- scene()->requestBacklog();
+ChatView::ChatView(BufferId bufferId, QWidget* parent)
+ : QGraphicsView(parent)
+ , AbstractChatView()
+{
+ QList<BufferId> filterList;
+ filterList.append(bufferId);
+ auto* filter = new MessageFilter(Client::messageModel(), filterList, this);
+ init(filter);
+}
+
+ChatView::ChatView(MessageFilter* filter, QWidget* parent)
+ : QGraphicsView(parent)
+ , AbstractChatView()
+{
+ init(filter);
+}
+
+void ChatView::init(MessageFilter* filter)
+{
+ _bufferContainer = nullptr;
+ _currentScaleFactor = 1;
+ _invalidateFilter = false;
+
+ setAttribute(Qt::WA_AcceptTouchEvents);
+ setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+ setAlignment(Qt::AlignLeft | Qt::AlignBottom);
+ setInteractive(true);
+ // setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing);
+ // setOptimizationFlags(QGraphicsView::DontAdjustForAntialiasing);
+ setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+ // setTransformationAnchor(QGraphicsView::NoAnchor);
+ setTransformationAnchor(QGraphicsView::AnchorViewCenter);
+
+ _scrollTimer.setInterval(100);
+ _scrollTimer.setSingleShot(true);
+ connect(&_scrollTimer, &QTimer::timeout, this, &ChatView::scrollTimerTimeout);
+
+ _scene = new ChatScene(filter, filter->idString(), viewport()->width(), this);
+ connect(_scene, &QGraphicsScene::sceneRectChanged, this, &ChatView::adjustSceneRect);
+ connect(_scene, &ChatScene::lastLineChanged, this, &ChatView::lastLineChanged);
+ connect(_scene, &ChatScene::mouseMoveWhileSelecting, this, &ChatView::mouseMoveWhileSelecting);
+ setScene(_scene);
+
+ connect(verticalScrollBar(), &QAbstractSlider::valueChanged, this, &ChatView::verticalScrollbarChanged);
+ _lastScrollbarPos = verticalScrollBar()->maximum();
+
+ // Workaround for the ChatView scrolling up a fair bit when scrollbar becomes visible
+ verticalScrollBar()->installEventFilter(this);
+
+ connect(Client::networkModel(), &NetworkModel::markerLineSet, this, &ChatView::markerLineSet);
+
+ // only connect if client is synched with a core
+ if (Client::isConnected())
+ connect(Client::ignoreListManager(), &ClientIgnoreListManager::ignoreListChanged, this, &ChatView::invalidateFilter);
+}
+
+bool ChatView::event(QEvent* event)
+{
+ if (event->type() == QEvent::KeyPress) {
+ auto* keyEvent = static_cast<QKeyEvent*>(event);
+ switch (keyEvent->key()) {
+ case Qt::Key_Up:
+ case Qt::Key_Down:
+ case Qt::Key_PageUp:
+ case Qt::Key_PageDown:
+ if (requestBacklogForScroll()) {
+ return true;
+ }
+ default:
+ break;
+ }
+ }
+
+ if (event->type() == QEvent::TouchBegin && ((QTouchEvent*)event)->device()->type() == QTouchDevice::TouchScreen) {
+ // Enable scrolling by draging, disable selecting/clicking content
+ setDragMode(QGraphicsView::ScrollHandDrag);
+ setInteractive(false);
+ // if scrollbar is not visible we need to request backlog below else we need to accept
+ // the event now (return true) so that we will receive TouchUpdate and TouchEnd/TouchCancel
+ if (verticalScrollBar()->isVisible())
+ return true;
+ }
+
+ if (event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
+ // End scroll and reset settings to default
+ setDragMode(QGraphicsView::NoDrag);
+ setInteractive(true);
+ _firstTouchUpdateHappened = false;