bool Scrollbar::mouseDown(const PlatformMouseEvent& evt)
{
// Early exit for right click
if (evt.button() == RightButton)
return true; // FIXME: Handled as context menu by Qt right now. Should just avoid even calling this method on a right click though.
setPressedPart(theme()->hitTest(this, evt));
int pressedPos = (orientation() == HorizontalScrollbar ? convertFromContainingWindow(evt.pos()).x() : convertFromContainingWindow(evt.pos()).y());
if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) && theme()->shouldCenterOnThumb(this, evt)) {
setHoveredPart(ThumbPart);
setPressedPart(ThumbPart);
m_dragOrigin = m_currentPos;
int thumbLen = theme()->thumbLength(this);
int desiredPos = pressedPos;
// Set the pressed position to the middle of the thumb so that when we do the move, the delta
// will be from the current pixel position of the thumb to the new desired position for the thumb.
m_pressedPos = theme()->trackPosition(this) + theme()->thumbPosition(this) + thumbLen / 2;
moveThumb(desiredPos);
return true;
} else if (m_pressedPart == ThumbPart)
m_dragOrigin = m_currentPos;
m_pressedPos = pressedPos;
autoscrollPressedPart(theme()->initialAutoscrollTimerDelay());
return true;
}
bool Scrollbar::mouseDown(const PlatformMouseEvent& evt)
{
ScrollbarPart pressedPart = theme().hitTest(*this, evt.position());
auto action = theme().handleMousePressEvent(*this, evt, pressedPart);
if (action == ScrollbarButtonPressAction::None)
return true;
m_scrollableArea.mouseIsDownInScrollbar(this, true);
setPressedPart(pressedPart);
int pressedPosition = (orientation() == HorizontalScrollbar ? convertFromContainingWindow(evt.position()).x() : convertFromContainingWindow(evt.position()).y());
if (action == ScrollbarButtonPressAction::CenterOnThumb) {
setHoveredPart(ThumbPart);
setPressedPart(ThumbPart);
m_dragOrigin = m_currentPos;
// Set the pressed position to the middle of the thumb so that when we do the move, the delta
// will be from the current pixel position of the thumb to the new desired position for the thumb.
m_pressedPos = theme().trackPosition(*this) + theme().thumbPosition(*this) + theme().thumbLength(*this) / 2;
moveThumb(pressedPosition);
return true;
}
m_pressedPos = pressedPosition;
if (action == ScrollbarButtonPressAction::StartDrag)
m_dragOrigin = m_currentPos;
if (action == ScrollbarButtonPressAction::Scroll)
autoscrollPressedPart(theme().initialAutoscrollTimerDelay());
return true;
}
void Scrollbar::mouseDown(const PlatformMouseEvent& evt) {
// Early exit for right click
if (evt.pointerProperties().button == WebPointerProperties::Button::Right)
return;
setPressedPart(theme().hitTest(*this, evt.position()));
int pressedPos = orientation() == HorizontalScrollbar
? convertFromRootFrame(evt.position()).x()
: convertFromRootFrame(evt.position()).y();
if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) &&
theme().shouldCenterOnThumb(*this, evt)) {
setHoveredPart(ThumbPart);
setPressedPart(ThumbPart);
m_dragOrigin = m_currentPos;
int thumbLen = theme().thumbLength(*this);
int desiredPos = pressedPos;
// Set the pressed position to the middle of the thumb so that when we do
// the move, the delta will be from the current pixel position of the thumb
// to the new desired position for the thumb.
m_pressedPos = theme().trackPosition(*this) + theme().thumbPosition(*this) +
thumbLen / 2;
moveThumb(desiredPos);
return;
}
if (m_pressedPart == ThumbPart) {
m_dragOrigin = m_currentPos;
if (m_scrollableArea)
m_scrollableArea->mouseCapturedScrollbar();
}
m_pressedPos = pressedPos;
autoscrollPressedPart(theme().initialAutoscrollTimerDelay());
}
void Scrollbar::mouseDown(const PlatformMouseEvent& evt)
{
// Early exit for right click
if (evt.button() == RightButton)
return;
// FIXME(sky): Do we still need setPressedPart now that we only set it to NoPart?
setPressedPart(NoPart);
int pressedPos = orientation() == HorizontalScrollbar ? convertFromContainingView(evt.position()).x() : convertFromContainingView(evt.position()).y();
if (m_pressedPart == ThumbPart)
m_dragOrigin = m_currentPos;
m_pressedPos = pressedPos;
autoscrollPressedPart(initialAutoscrollTimerDelay());
}
bool PlatformScrollbar::handleMousePressEvent(const PlatformMouseEvent& evt)
{
// Early exit for right click
if (evt.button() == RightButton)
return true; // Handled as context menu
const QPoint pos = convertFromContainingWindow(evt.pos());
bool midButtonAbsPos = QApplication::style()->styleHint(QStyle::SH_ScrollBar_MiddleClickAbsolutePosition);
// Middle click centers slider thumb, if supported
if (midButtonAbsPos && evt.button() == MiddleButton) {
setValue(pixelPosToRangeValue((m_orientation == HorizontalScrollbar ?
pos.x() : pos.y()) - thumbLength() / 2));
} else { // Left button, or if middle click centering is not supported
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);
switch (sc) {
case QStyle::SC_ScrollBarAddLine:
case QStyle::SC_ScrollBarSubLine:
case QStyle::SC_ScrollBarSlider:
m_opt.state |= QStyle::State_Sunken;
case QStyle::SC_ScrollBarAddPage:
case QStyle::SC_ScrollBarSubPage:
case QStyle::SC_ScrollBarGroove:
m_pressedPart = sc;
break;
default:
m_pressedPart = QStyle::SC_None;
return false;
}
m_pressedPos = m_orientation == HorizontalScrollbar ? pos.x() : pos.y();
autoscrollPressedPart(cInitialTimerDelay);
invalidate();
}
return true;
}
void Scrollbar::autoscrollTimerFired(Timer<Scrollbar>*)
{
autoscrollPressedPart(theme()->autoscrollTimerDelay());
}
void Scrollbar::autoscrollTimerFired()
{
autoscrollPressedPart(theme().autoscrollTimerDelay());
}
void PlatformScrollbar::autoscrollTimerFired(Timer<PlatformScrollbar>*)
{
autoscrollPressedPart(cNormalTimerDelay);
}
