bool Scrollbar::mouseMoved(const PlatformMouseEvent& evt)
{
if (m_pressedPart == ThumbPart) {
moveThumb(m_orientation == HorizontalScrollbar ?
convertFromContainingWindow(evt.pos()).x() :
convertFromContainingWindow(evt.pos()).y());
return true;
}
if (m_pressedPart != NoPart)
m_pressedPos = (orientation() == HorizontalScrollbar ? convertFromContainingWindow(evt.pos()).x() : convertFromContainingWindow(evt.pos()).y());
ScrollbarPart part = theme()->hitTest(this, evt);
if (part != m_hoveredPart) {
if (m_pressedPart != NoPart) {
if (part == m_pressedPart) {
// The mouse is moving back over the pressed part. We
// need to start up the timer action again.
startTimerIfNeeded(theme()->autoscrollTimerDelay());
theme()->invalidatePart(this, m_pressedPart);
} else if (m_hoveredPart == m_pressedPart) {
// The mouse is leaving the pressed part. Kill our timer
// if needed.
stopTimerIfNeeded();
theme()->invalidatePart(this, m_pressedPart);
}
}
setHoveredPart(part);
}
return true;
}
void Scrollbar::mouseMoved(const PlatformMouseEvent& evt)
{
if (m_pressedPart == ThumbPart) {
moveThumb(m_orientation == HorizontalScrollbar ?
convertFromContainingView(evt.position()).x() :
convertFromContainingView(evt.position()).y());
return;
}
if (m_pressedPart != NoPart)
m_pressedPos = orientation() == HorizontalScrollbar ? convertFromContainingView(evt.position()).x() : convertFromContainingView(evt.position()).y();
// FIXME(sky): Cleanup this code now that part is always NoPart.
ScrollbarPart part = NoPart;
if (part != m_hoveredPart) {
if (m_pressedPart != NoPart) {
if (part == m_pressedPart) {
// The mouse is moving back over the pressed part. We
// need to start up the timer action again.
startTimerIfNeeded(autoscrollTimerDelay());
invalidatePart(m_pressedPart);
} else if (m_hoveredPart == m_pressedPart) {
// The mouse is leaving the pressed part. Kill our timer
// if needed.
stopTimerIfNeeded();
invalidatePart(m_pressedPart);
}
}
setHoveredPart(part);
}
return;
}
Scrollbar::~Scrollbar()
{
if (AXObjectCache::accessibilityEnabled() && axObjectCache())
axObjectCache()->remove(this);
stopTimerIfNeeded();
m_theme->unregisterScrollbar(this);
}
Scrollbar::~Scrollbar()
{
if (AXObjectCache* cache = existingAXObjectCache())
cache->remove(this);
stopTimerIfNeeded();
m_theme->unregisterScrollbar(this);
}
bool Scrollbar::mouseUp()
{
setPressedPart(NoPart);
m_pressedPos = 0;
stopTimerIfNeeded();
if (parent() && parent()->isFrameView())
static_cast<FrameView*>(parent())->frame()->eventHandler()->setMousePressed(false);
return true;
}
void Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent)
{
setPressedPart(NoPart);
m_pressedPos = 0;
stopTimerIfNeeded();
if (m_scrollableArea) {
// m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so we have to hit test
// to really know if the mouse has exited the scrollbar on a mouseUp.
m_scrollableArea->mouseExitedScrollbar(this);
}
}
void Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent)
{
setPressedPart(NoPart);
m_pressedPos = 0;
m_draggingDocument = false;
stopTimerIfNeeded();
if (m_scrollableArea) {
// m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so we have to hit test
// to really know if the mouse has exited the scrollbar on a mouseUp.
ScrollbarPart part = theme()->hitTest(this, mouseEvent.position());
if (part == NoPart)
m_scrollableArea->mouseExitedScrollbar(this);
}
}
Scrollbar::~Scrollbar()
{
stopTimerIfNeeded();
m_theme->unregisterScrollbar(this);
#if ENABLE(OILPAN)
if (!m_animator)
return;
ASSERT(m_scrollableArea);
if (m_orientation == VerticalScrollbar)
m_animator->willRemoveVerticalScrollbar(this);
else
m_animator->willRemoveHorizontalScrollbar(this);
#endif
}
void Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent) {
bool isCaptured = m_pressedPart == ThumbPart;
setPressedPart(NoPart);
m_pressedPos = 0;
m_draggingDocument = false;
stopTimerIfNeeded();
if (m_scrollableArea) {
if (isCaptured)
m_scrollableArea->mouseReleasedScrollbar();
// m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so
// we have to hit test to really know if the mouse has exited the scrollbar
// on a mouseUp.
ScrollbarPart part = theme().hitTest(*this, mouseEvent.position());
if (part == NoPart)
m_scrollableArea->mouseExitedScrollbar(*this);
}
}
bool PlatformScrollbar::handleMouseReleaseEvent(const PlatformMouseEvent& evt)
{
const QPoint pos = convertFromContainingWindow(evt.pos());
const QPoint topLeft = m_opt.rect.topLeft();
m_opt.rect.moveTo(QPoint(0, 0));
QStyle::SubControl scAtMousePoint = QApplication::style()->hitTestComplexControl(QStyle::CC_ScrollBar, &m_opt, pos, 0);
m_opt.rect.moveTo(topLeft);
m_hoveredPart = scAtMousePoint;
if (m_hoveredPart == QStyle::SC_None)
m_opt.state &= ~QStyle::State_MouseOver;
m_opt.state &= ~QStyle::State_Sunken;
m_pressedPart = QStyle::SC_None;
m_pressedPos = 0;
stopTimerIfNeeded();
invalidate();
return true;
}
void Scrollbar::mouseMoved(const PlatformMouseEvent& evt) {
if (m_pressedPart == ThumbPart) {
if (theme().shouldSnapBackToDragOrigin(*this, evt)) {
if (m_scrollableArea) {
m_scrollableArea->setScrollOffsetSingleAxis(
m_orientation,
m_dragOrigin + m_scrollableArea->minimumScrollOffset(m_orientation),
UserScroll);
}
} else {
moveThumb(m_orientation == HorizontalScrollbar
? convertFromRootFrame(evt.position()).x()
: convertFromRootFrame(evt.position()).y(),
theme().shouldDragDocumentInsteadOfThumb(*this, evt));
}
return;
}
if (m_pressedPart != NoPart)
m_pressedPos = orientation() == HorizontalScrollbar
? convertFromRootFrame(evt.position()).x()
: convertFromRootFrame(evt.position()).y();
ScrollbarPart part = theme().hitTest(*this, evt.position());
if (part != m_hoveredPart) {
if (m_pressedPart != NoPart) {
if (part == m_pressedPart) {
// The mouse is moving back over the pressed part. We
// need to start up the timer action again.
startTimerIfNeeded(theme().autoscrollTimerDelay());
} else if (m_hoveredPart == m_pressedPart) {
// The mouse is leaving the pressed part. Kill our timer
// if needed.
stopTimerIfNeeded();
}
}
setHoveredPart(part);
}
return;
}
bool Scrollbar::mouseUp(const PlatformMouseEvent& mouseEvent)
{
setPressedPart(NoPart);
m_pressedPos = 0;
m_draggingDocument = false;
stopTimerIfNeeded();
if (m_scrollableArea) {
// m_hoveredPart won't be updated until the next mouseMoved or mouseDown, so we have to hit test
// to really know if the mouse has exited the scrollbar on a mouseUp.
ScrollbarPart part = theme()->hitTest(this, mouseEvent.position());
if (part == NoPart)
m_scrollableArea->mouseExitedScrollbar(this);
}
if (parent() && parent()->isFrameView())
static_cast<FrameView*>(parent())->frame()->eventHandler()->setMousePressed(false);
return true;
}
bool Scrollbar::mouseMoved(const PlatformMouseEvent& evt)
{
if (m_pressedPart == ThumbPart) {
if (theme()->shouldSnapBackToDragOrigin(this, evt)) {
if (m_scrollableArea)
m_scrollableArea->scrollToOffsetWithoutAnimation(m_orientation, m_dragOrigin);
} else {
moveThumb(m_orientation == HorizontalScrollbar ?
convertFromContainingWindow(evt.pos()).x() :
convertFromContainingWindow(evt.pos()).y(), theme()->shouldDragDocumentInsteadOfThumb(this, evt));
}
return true;
}
if (m_pressedPart != NoPart)
m_pressedPos = (orientation() == HorizontalScrollbar ? convertFromContainingWindow(evt.pos()).x() : convertFromContainingWindow(evt.pos()).y());
ScrollbarPart part = theme()->hitTest(this, evt);
if (part != m_hoveredPart) {
if (m_pressedPart != NoPart) {
if (part == m_pressedPart) {
// The mouse is moving back over the pressed part. We
// need to start up the timer action again.
startTimerIfNeeded(theme()->autoscrollTimerDelay());
theme()->invalidatePart(this, m_pressedPart);
} else if (m_hoveredPart == m_pressedPart) {
// The mouse is leaving the pressed part. Kill our timer
// if needed.
stopTimerIfNeeded();
theme()->invalidatePart(this, m_pressedPart);
}
}
setHoveredPart(part);
}
return true;
}
Scrollbar::~Scrollbar()
{
stopTimerIfNeeded();
}
Scrollbar::~Scrollbar()
{
stopTimerIfNeeded();
theme().unregisterScrollbar(*this);
}
Scrollbar::~Scrollbar()
{
stopTimerIfNeeded();
m_theme->unregisterScrollbar(this);
}
bool PlatformScrollbar::handleMouseMoveEvent(const PlatformMouseEvent& evt)
{
const QPoint pos = convertFromContainingWindow(evt.pos());
//qDebug() << "PlatformScrollbar::handleMouseMoveEvent" << m_opt.rect << pos << evt.pos();
m_opt.state |= QStyle::State_MouseOver;
const QPoint topLeft = m_opt.rect.topLeft();
m_opt.rect.moveTo(QPoint(0, 0));
QStyle::SubControl sc = QApplication::style()->hitTestComplexControl(QStyle::CC_ScrollBar, &m_opt, pos, 0);
m_opt.rect.moveTo(topLeft);
if (m_pressedPart == QStyle::SC_ScrollBarSlider) {
// Drag the thumb.
int thumbPos = thumbPosition();
int thumbLen = thumbLength();
int trackLen = trackLength();
int maxPos = trackLen - thumbLen;
int delta = 0;
if (m_orientation == HorizontalScrollbar)
delta = pos.x() - m_pressedPos;
else
delta = pos.y() - m_pressedPos;
if (delta > 0)
// The mouse moved down/right.
delta = min(maxPos - thumbPos, delta);
else if (delta < 0)
// The mouse moved up/left.
delta = max(-thumbPos, delta);
if (delta != 0) {
setValue((int)((float)(thumbPos + delta) * (m_totalSize - m_visibleSize) / (trackLen - thumbLen)));
m_pressedPos += thumbPosition() - thumbPos;
}
return true;
}
if (m_pressedPart != QStyle::SC_None)
m_pressedPos = m_orientation == HorizontalScrollbar ? pos.x() : pos.y();
if (sc != m_hoveredPart) {
if (m_pressedPart != QStyle::SC_None) {
if (sc == m_pressedPart) {
// The mouse is moving back over the pressed part. We
// need to start up the timer action again.
startTimerIfNeeded(cNormalTimerDelay);
invalidate();
} else if (m_hoveredPart == m_pressedPart) {
// The mouse is leaving the pressed part. Kill our timer
// if needed.
stopTimerIfNeeded();
invalidate();
}
} else {
invalidate();
}
m_hoveredPart = sc;
}
return true;
}
PlatformScrollbar::~PlatformScrollbar()
{
stopTimerIfNeeded();
}
