/* static */ bool
WheelTransaction::WillHandleDefaultAction(WidgetWheelEvent* aWheelEvent,
nsWeakFrame& aTargetWeakFrame)
{
nsIFrame* lastTargetFrame = GetTargetFrame();
if (!lastTargetFrame) {
BeginTransaction(aTargetWeakFrame.GetFrame(), aWheelEvent);
} else if (lastTargetFrame != aTargetWeakFrame.GetFrame()) {
EndTransaction();
BeginTransaction(aTargetWeakFrame.GetFrame(), aWheelEvent);
} else {
UpdateTransaction(aWheelEvent);
}
// When the wheel event will not be handled with any frames,
// UpdateTransaction() fires MozMouseScrollFailed event which is for
// automated testing. In the event handler, the target frame might be
// destroyed. Then, the caller shouldn't try to handle the default action.
if (!aTargetWeakFrame.IsAlive()) {
EndTransaction();
return false;
}
return true;
}
/* static */ bool
WheelTransaction::UpdateTransaction(WidgetWheelEvent* aEvent)
{
nsIFrame* scrollToFrame = GetTargetFrame();
nsIScrollableFrame* scrollableFrame = scrollToFrame->GetScrollTargetFrame();
if (scrollableFrame) {
scrollToFrame = do_QueryFrame(scrollableFrame);
}
if (!WheelHandlingUtils::CanScrollOn(scrollToFrame,
aEvent->deltaX, aEvent->deltaY)) {
OnFailToScrollTarget();
// We should not modify the transaction state when the view will not be
// scrolled actually.
return false;
}
SetTimeout();
if (sScrollSeriesCounter != 0 && OutOfTime(sTime, kScrollSeriesTimeout)) {
sScrollSeriesCounter = 0;
}
sScrollSeriesCounter++;
// We should use current time instead of WidgetEvent.time.
// 1. Some events doesn't have the correct creation time.
// 2. If the computer runs slowly by other processes eating the CPU resource,
// the event creation time doesn't keep real time.
sTime = PR_IntervalToMilliseconds(PR_IntervalNow());
sMouseMoved = 0;
return true;
}
// not the fastest of routines, but I only call it occasionally...
//
LPCSTR CSequence::GetDisplayNameForTree(CModel* pModel, bool bIncludeAnimEnum, bool bIncludeFrameDetails, bool bViewFrameDetails_Additional, CDC* pDC)
{
if (pModel->IsGhoul2())
{
// bIncludeAnimEnum = false; // :-)
}
#define ACCOUNTFORWIDTH(width) \
iWidthSoFar+=width; \
while (1) \
{ \
size = pDC->GetOutputTextExtent(string); \
if (size.cx>=iWidthSoFar) \
break; \
string+=" "; \
}
static CString string;
int iWidthSoFar=0;
CSize size;
string.Empty();
if (bIncludeFrameDetails)
{
CString temp;
temp.Format("( Frames: Target %4d, Count %4d%sLoop %4d, Speed %4d )",GetTargetFrame(),GetFrameCount(),GetGenLoopFrame()?"+1, ":", ",GetLoopFrame(),GetFrameSpeed());
string += temp;
ACCOUNTFORWIDTH(400);
}
string += GetName();
ACCOUNTFORWIDTH(250);
if (bIncludeAnimEnum && strlen(GetEnum())) //ValidEnum())
{
CString _enum;
if (ValidEnum())
{
_enum.Format("( %s",GetEnum());
}
else
{
_enum.Format("( (BAD: %s)",GetEnum());
}
string += _enum;
for (int i=0; i<MAX_ADDITIONAL_SEQUENCES; i++)
{
if (AdditionalSeqs[i]->AdditionalSequenceIsValid())
{
string += ", "; // spaces seem pretty small in default font
string += AdditionalSeqs[i]->GetEnum();
if (bViewFrameDetails_Additional)
{
CString temp;
temp.Format("(T:%d C:%d L:%d S:%d)",
AdditionalSeqs[i]->GetTargetFrame(),
AdditionalSeqs[i]->GetFrameCount(),
AdditionalSeqs[i]->GetLoopFrame(),
AdditionalSeqs[i]->GetFrameSpeed()
);
string += temp;
}
}
else
{
// either empty string, or a bad enum... (because of anims.h being edited)
//
if (strlen(AdditionalSeqs[i]->GetEnum()))
{
string += ", ";
string += va("(BAD: %s)",AdditionalSeqs[i]->GetEnum());
}
}
}
string += " )";
ACCOUNTFORWIDTH(200); // this is flawed now because of additional-seqs, so keep this string as the last one
}
return string;
}