void TouchDragComponent::ResetLastPos()
{
if (m_activeFingerID != -1)
{
TouchTrackInfo *pTouch = BaseApp::GetBaseApp()->GetTouch(m_activeFingerID);
m_lastPos = pTouch->GetPos();
}
}
void ScrollComponent::OnOverEnd(VariantList *pVList)
{
uint32 fingerID = pVList->Get(2).GetUINT32();
if (!isInterestingFinger(fingerID)) return;
TouchTrackInfo *pTouch = GetBaseApp()->GetTouch(fingerID);
pTouch->SetWasPreHandled(false, GetParent());
SetIsScrolling(false);
m_activeFinger = -1;
}
ScrollComponent::~ScrollComponent()
{
if (m_activeFinger != -1)
{
//mark the touch we were using as unhandled now, so if we're recreated right at the same place controls don't
//go dead until they release and touch again
TouchTrackInfo *pTouch = GetBaseApp()->GetTouch(m_activeFinger);
if (pTouch)
{
pTouch->SetWasHandled(false);
}
}
}
void ScrollComponent::OnOverMove(VariantList *pVList)
{
uint32 fingerID = 0;
fingerID = pVList->Get(2).GetUINT32();
if (*m_pEnforceFingerTracking && m_activeFinger == -1)
{
TouchTrackInfo *pTouch = GetBaseApp()->GetTouch(fingerID);
if (pTouch->WasHandled()) return;
m_activeFinger = fingerID;
}
if (!isInterestingFinger(fingerID)) return;
//LogMsg("moved %s", PrintVector2(vDisplacement).c_str());
if (*m_pScrollStyle == STYLE_EXACT)
{
m_vecDisplacement += pVList->m_variant[0].GetVector2()-m_lastTouchPos;
m_vTotalDisplacementOnCurrentSwipe += pVList->m_variant[0].GetVector2()-m_lastTouchPos;
if (m_bIsScrolling || *m_pSwipeDetectDistance != 0 || *m_pDontScrollUntilSwipeDetected == 0)
{
SetPosition(m_vecDisplacement, false);
m_vecDisplacement = CL_Vec2f(0,0);
}
} else
{
m_vecDisplacement += (pVList->m_variant[0].GetVector2()-m_lastTouchPos)* *m_pPowerMod;
m_vTotalDisplacementOnCurrentSwipe += pVList->m_variant[0].GetVector2()-m_lastTouchPos;
}
m_lastTouchPos = pVList->m_variant[0].GetVector2();
//was it a big enough swipe to switch to scroll mode? (scroll mode means they can't accidently hit any buttons/etc inside us)
//using iPadMapX will roughly allow move movement on larger screens.. not going to be perfect unless we knew the pixels per cm of
//the screen though.. hrm, not easy to get that.
if (*m_pSwipeDetectDistance != 0 && m_vTotalDisplacementOnCurrentSwipe.length() > *m_pSwipeDetectDistance)
{
//TODO: Should we check pos/size and if we don't require scrolling (everything fits on screen), not do the next call?
SetIsScrolling(true);
TouchTrackInfo *pTouch = GetBaseApp()->GetTouch(fingerID);
pTouch->SetWasHandled(true, GetParent());
}
}
void ScrollComponent::OnOverStart(VariantList *pVList)
{
uint32 fingerID = pVList->Get(2).GetUINT32();
if (!isInterestingFinger(fingerID)) return;
TouchTrackInfo *pTouch = GetBaseApp()->GetTouch(fingerID);
if (*m_pEnforceFingerTracking && m_activeFinger == -1 && *m_pDontScrollUntilSwipeDetected == 0 && *m_pEatAllInput != 0)
{
if (pTouch->WasHandled()) return;
pTouch->SetWasHandled(true, GetParent());
m_activeFinger = fingerID;
}
pTouch->SetWasPreHandled(true, GetParent());
SetIsScrolling(false);
m_lastTouchPos = pVList->m_variant[0].GetVector2();
}
void TouchDragComponent::OnInput( VariantList *pVList )
{
//0 = message type, 1 = parent coordinate offset
CL_Vec2f pt = pVList->Get(1).GetVector2();
uint32 fingerID = 0;
if (pVList->Get(2).GetType() == Variant::TYPE_UINT32)
{
fingerID = pVList->Get(2).GetUINT32();
}
//LogMsg("Detected finger %d at %s", fingerID, PrintVector2(pt).c_str());
switch (eMessageType( int(pVList->Get(0).GetFloat())))
{
case MESSAGE_TYPE_GUI_CLICK_START:
//first, determine if the click is on our area
{
if (*m_pDisabled != 0) return;
CL_Rectf r(*m_pPos2d, CL_Sizef(m_pSize2d->x, m_pSize2d->y));
ApplyPadding(&r, *m_pTouchPadding);
if (r.contains(pt))
{
if (m_activeFingerID != -1)
{
//LogMsg("Ignoring new finger..");
return;
}
TouchTrackInfo *pTouch = BaseApp::GetBaseApp()->GetTouch(pVList->Get(2).GetUINT32());
if (pTouch->WasHandled()) return;
pTouch->SetWasHandled(true);
VariantList vList(pt, GetParent(), uint32(fingerID));
GetParent()->GetFunction("OnOverStart")->m_sig_function(&vList);
m_lastPos = pt;
m_activeFingerID = fingerID;
}
}
break;
case MESSAGE_TYPE_GUI_CLICK_END:
EndDrag(fingerID, pt);
break;
case MESSAGE_TYPE_GUI_CLICK_MOVE:
if (*m_pDisabled != 0)
{
EndDrag(fingerID, pt);
return;
}
if (m_activeFingerID == fingerID)
{
SetPosition(pt);
}
break;
default: ;
}
}