X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/4e82b359897def33c90cd5465cda3ed10b5aa01a..d0c97573d4cee67974758349ddcfc2fee509785d:/src/dolphinviewautoscroller.cpp diff --git a/src/dolphinviewautoscroller.cpp b/src/dolphinviewautoscroller.cpp index 67bc696cc..04a396b9a 100644 --- a/src/dolphinviewautoscroller.cpp +++ b/src/dolphinviewautoscroller.cpp @@ -36,8 +36,7 @@ DolphinViewAutoScroller::DolphinViewAutoScroller(QAbstractItemView* parent) : { m_itemView->setAutoScroll(false); m_itemView->viewport()->installEventFilter(this); - m_itemView->installEventFilter(this); - + m_timer = new QTimer(this); m_timer->setSingleShot(false); m_timer->setInterval(1000 / 25); // 25 frames per second @@ -57,42 +56,34 @@ bool DolphinViewAutoScroller::eventFilter(QObject* watched, QEvent* event) m_rubberBandSelection = true; } break; - + case QEvent::MouseMove: if (m_rubberBandSelection) { triggerAutoScroll(); } break; - + case QEvent::MouseButtonRelease: m_rubberBandSelection = false; stopAutoScroll(); break; - + case QEvent::DragEnter: case QEvent::DragMove: m_rubberBandSelection = false; triggerAutoScroll(); break; - + case QEvent::Drop: case QEvent::DragLeave: m_rubberBandSelection = false; stopAutoScroll(); break; - + default: break; } - } else if ((watched == m_itemView) && (event->type() == QEvent::KeyPress)) { - const int key = static_cast(event)->key(); - const bool arrowKeyPressed = (key == Qt::Key_Up) || (key == Qt::Key_Down) || - (key == Qt::Key_Left) || (key == Qt::Key_Right); - if (arrowKeyPressed) { - QMetaObject::invokeMethod(this, "scrollToCurrentIndex", Qt::QueuedConnection); - } - } - + } return QObject::eventFilter(watched, event); } @@ -103,15 +94,15 @@ void DolphinViewAutoScroller::scrollViewport() if (verticalScrollBar != 0) { const int value = verticalScrollBar->value(); verticalScrollBar->setValue(value + m_scrollInc); - + } QScrollBar* horizontalScrollBar = m_itemView->horizontalScrollBar(); if (horizontalScrollBar != 0) { const int value = horizontalScrollBar->value(); horizontalScrollBar->setValue(value + m_scrollInc); - + } - + if (m_rubberBandSelection) { // The scrolling does not lead to an update of the rubberband // selection. Fake a mouse move event to let the QAbstractItemView @@ -123,12 +114,6 @@ void DolphinViewAutoScroller::scrollViewport() } } -void DolphinViewAutoScroller::scrollToCurrentIndex() -{ - const QModelIndex index = m_itemView->currentIndex(); - m_itemView->scrollTo(index); -} - void DolphinViewAutoScroller::triggerAutoScroll() { const bool verticalScrolling = (m_itemView->verticalScrollBar() != 0) && @@ -139,7 +124,7 @@ void DolphinViewAutoScroller::triggerAutoScroll() // no scrollbars are shown at all, so no autoscrolling is necessary return; } - + QWidget* viewport = m_itemView->viewport(); const QPoint pos = viewport->mapFromGlobal(QCursor::pos()); if (verticalScrolling) { @@ -148,7 +133,7 @@ void DolphinViewAutoScroller::triggerAutoScroll() if (horizontalScrolling) { calculateScrollIncrement(pos.x(), viewport->width()); } - + if (m_timer->isActive()) { if (m_scrollInc == 0) { m_timer->stop(); @@ -170,7 +155,7 @@ void DolphinViewAutoScroller::calculateScrollIncrement(int cursorPos, int rangeS const int maxSpeed = 32; const int speedLimiter = 8; const int autoScrollBorder = 32; - + if (cursorPos < autoScrollBorder) { m_scrollInc = -minSpeed + (cursorPos - autoScrollBorder) / speedLimiter; if (m_scrollInc < -maxSpeed) {