void AutoscrollController::updatePanScrollState(FrameView* view, const IntPoint& lastKnownMousePosition)
{
// At the original click location we draw a 4 arrowed icon. Over this icon there won't be any scroll
// So we don't want to change the cursor over this area
bool east = m_panScrollStartPos.x() < (lastKnownMousePosition.x() - noPanScrollRadius);
bool west = m_panScrollStartPos.x() > (lastKnownMousePosition.x() + noPanScrollRadius);
bool north = m_panScrollStartPos.y() > (lastKnownMousePosition.y() + noPanScrollRadius);
bool south = m_panScrollStartPos.y() < (lastKnownMousePosition.y() - noPanScrollRadius);
if (m_autoscrollType == AutoscrollForPan && (east || west || north || south))
m_autoscrollType = AutoscrollForPanCanStop;
if (north) {
if (east)
view->setCursor(northEastPanningCursor());
else if (west)
view->setCursor(northWestPanningCursor());
else
view->setCursor(northPanningCursor());
} else if (south) {
if (east)
view->setCursor(southEastPanningCursor());
else if (west)
view->setCursor(southWestPanningCursor());
else
view->setCursor(southPanningCursor());
} else if (east) {
view->setCursor(eastPanningCursor());
} else if (west) {
view->setCursor(westPanningCursor());
} else {
view->setCursor(middlePanningCursor());
}
}
void AutoscrollController::updateMiddleClickAutoscrollState(
FrameView* view,
const IntPoint& lastKnownMousePosition) {
DCHECK(RuntimeEnabledFeatures::middleClickAutoscrollEnabled());
// At the original click location we draw a 4 arrowed icon. Over this icon
// there won't be any scroll, So don't change the cursor over this area.
bool east = m_middleClickAutoscrollStartPos.x() <
(lastKnownMousePosition.x() - noMiddleClickAutoscrollRadius);
bool west = m_middleClickAutoscrollStartPos.x() >
(lastKnownMousePosition.x() + noMiddleClickAutoscrollRadius);
bool north = m_middleClickAutoscrollStartPos.y() >
(lastKnownMousePosition.y() + noMiddleClickAutoscrollRadius);
bool south = m_middleClickAutoscrollStartPos.y() <
(lastKnownMousePosition.y() - noMiddleClickAutoscrollRadius);
if (m_autoscrollType == AutoscrollForMiddleClick &&
(east || west || north || south))
m_autoscrollType = AutoscrollForMiddleClickCanStop;
if (north) {
if (east)
view->setCursor(northEastPanningCursor());
else if (west)
view->setCursor(northWestPanningCursor());
else
view->setCursor(northPanningCursor());
} else if (south) {
if (east)
view->setCursor(southEastPanningCursor());
else if (west)
view->setCursor(southWestPanningCursor());
else
view->setCursor(southPanningCursor());
} else if (east) {
view->setCursor(eastPanningCursor());
} else if (west) {
view->setCursor(westPanningCursor());
} else {
view->setCursor(middlePanningCursor());
}
}
const Cursor& Cursor::fromType(Cursor::Type type)
{
switch (type) {
case Cursor::Pointer:
return pointerCursor();
case Cursor::Cross:
return crossCursor();
case Cursor::Hand:
return handCursor();
case Cursor::IBeam:
return iBeamCursor();
case Cursor::Wait:
return waitCursor();
case Cursor::Help:
return helpCursor();
case Cursor::EastResize:
return eastResizeCursor();
case Cursor::NorthResize:
return northResizeCursor();
case Cursor::NorthEastResize:
return northEastResizeCursor();
case Cursor::NorthWestResize:
return northWestResizeCursor();
case Cursor::SouthResize:
return southResizeCursor();
case Cursor::SouthEastResize:
return southEastResizeCursor();
case Cursor::SouthWestResize:
return southWestResizeCursor();
case Cursor::WestResize:
return westResizeCursor();
case Cursor::NorthSouthResize:
return northSouthResizeCursor();
case Cursor::EastWestResize:
return eastWestResizeCursor();
case Cursor::NorthEastSouthWestResize:
return northEastSouthWestResizeCursor();
case Cursor::NorthWestSouthEastResize:
return northWestSouthEastResizeCursor();
case Cursor::ColumnResize:
return columnResizeCursor();
case Cursor::RowResize:
return rowResizeCursor();
case Cursor::MiddlePanning:
return middlePanningCursor();
case Cursor::EastPanning:
return eastPanningCursor();
case Cursor::NorthPanning:
return northPanningCursor();
case Cursor::NorthEastPanning:
return northEastPanningCursor();
case Cursor::NorthWestPanning:
return northWestPanningCursor();
case Cursor::SouthPanning:
return southPanningCursor();
case Cursor::SouthEastPanning:
return southEastPanningCursor();
case Cursor::SouthWestPanning:
return southWestPanningCursor();
case Cursor::WestPanning:
return westPanningCursor();
case Cursor::Move:
return moveCursor();
case Cursor::VerticalText:
return verticalTextCursor();
case Cursor::Cell:
return cellCursor();
case Cursor::ContextMenu:
return contextMenuCursor();
case Cursor::Alias:
return aliasCursor();
case Cursor::Progress:
return progressCursor();
case Cursor::NoDrop:
return noDropCursor();
case Cursor::Copy:
return copyCursor();
case Cursor::None:
return noneCursor();
case Cursor::NotAllowed:
return notAllowedCursor();
case Cursor::ZoomIn:
return zoomInCursor();
case Cursor::ZoomOut:
return zoomOutCursor();
case Cursor::Grab:
return grabCursor();
case Cursor::Grabbing:
return grabbingCursor();
case Cursor::Custom:
ASSERT_NOT_REACHED();
}
return pointerCursor();
}