TBool CHuiDeckLayout::ChildPos(TInt aOrdinal, TPoint& aPos)
{
TBool result(EFalse);
THuiRealRect rect;
TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);
childRectStatus = ChildRect(aOrdinal, rect);
if(childRectStatus != THuiLayoutChildRectNotImplemented)
{
result = (childRectStatus & THuiLayoutChildRectPosUpdateNeeded);
if(result)
{
aPos = LocalPointInPixels(rect.iTl);
}
}
return result;
}
EXPORT_C void CHuiLayout::UpdateChildLayout(TInt aIndex, TInt aTransitionTime)
{
THuiRealRect rect;
TSize size;
TPoint pos;
TInt ordinal = ChildOrdinal(aIndex);
CHuiVisual* child = iHuiLayoutPrivateData->iChildren[aIndex];
TInt flags = child->Flags();
TInt transitionTime = aTransitionTime;
if(flags & EHuiVisualFlagManualTransitionTime)
{
// override the parent's transition time with our local one.
transitionTime = TransitionTime();
}
// if either flag is missing, call child rect...
TBool bothManual = (flags & EHuiVisualFlagManualPosition) && (flags & EHuiVisualFlagManualSize);
if(!bothManual)
{
TInt childRectStatus = ChildRect(ordinal, rect);
if(childRectStatus != THuiLayoutChildRectNotImplemented)
{
if(!(flags & EHuiVisualFlagManualPosition) && (childRectStatus & THuiLayoutChildRectPosUpdateNeeded))
{
child->SetPos(rect.iTl, transitionTime);
}
if(!(flags & EHuiVisualFlagManualSize) && (childRectStatus & THuiLayoutChildRectSizeUpdateNeeded))
{
child->SetSize(rect.Size(), transitionTime);
}
}
else
{
if(!(flags & EHuiVisualFlagManualPosition) && ChildPos(ordinal, pos))
{
child->SetPos(pos, transitionTime);
}
if(!(flags & EHuiVisualFlagManualSize) && ChildSize(ordinal, size))
{
child->SetSize(size, transitionTime);
}
}
}
child->ReportLayoutUpdate();
}
TBool CHuiDeckLayout::ChildSize(TInt aOrdinal, TSize& aSize)
{
TBool result(EFalse);
THuiRealRect rect;
TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);
childRectStatus = ChildRect(aOrdinal, rect);
if(childRectStatus != THuiLayoutChildRectNotImplemented)
{
result = (childRectStatus & THuiLayoutChildRectSizeUpdateNeeded);
if(result)
{
THuiRealPoint size(rect.Width(), rect.Height());
aSize = LocalPointInPixels(size).AsSize();
}
}
return result;
}
void HorizontalScrollbar::ConstructHorizontalScrollbar(const UI::ScrollbarStyle& ScrollStyle)
{
// Create the rects we'll use
UnifiedVec2 ChildPosition(0,0,0,0);
UnifiedVec2 ChildSize(1,1,0,0);
UnifiedRect ChildRect(ChildPosition,ChildSize);
if( UI::SB_NoButtons == ScrollStyle )
{
// Create our objects
this->ScrollBack = ParentScreen->CreateButton(this->Name+".ScrollBack",ChildRect);
this->ScrollBack->SetHorizontalSizingRules(UI::SR_Fill_Available);
this->ScrollBack->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->ScrollBack,0);
this->Scroller = ParentScreen->CreateButton(this->Name+".Scroller",ChildRect);
this->Scroller->SetManualTransformUpdates(true);
this->AddChild(this->Scroller,1);
} else {
//Get the position for all items involved and configure their offsets
if(UI::SB_Separate == ScrollStyle)
{
// Create our objects
this->UpLeftButton = ParentScreen->CreateButton(this->Name+".LeftButton",ChildRect);
this->UpLeftButton->SetHorizontalPositioningRules(UI::PF_Anchor_Left);
this->UpLeftButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->UpLeftButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->UpLeftButton,0);
this->ScrollBack = ParentScreen->CreateButton(this->Name+".ScrollBack",ChildRect);
this->ScrollBack->SetHorizontalSizingRules(UI::SR_Fill_Available);
this->ScrollBack->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->ScrollBack,1);
this->DownRightButton = ParentScreen->CreateButton(this->Name+".RightButton",ChildRect);
this->DownRightButton->SetHorizontalPositioningRules(UI::PF_Anchor_Right);
this->DownRightButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->DownRightButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->DownRightButton,2);
this->Scroller = ParentScreen->CreateButton(this->Name+".Scroller",ChildRect);
this->Scroller->SetManualTransformUpdates(true);
this->AddChild(this->Scroller,3);
}
else if(UI::SB_TogetherDownRight == ScrollStyle)
{
// Create our objects
this->ScrollBack = ParentScreen->CreateButton(this->Name+".ScrollBack",ChildRect);
this->ScrollBack->SetHorizontalSizingRules(UI::SR_Fill_Available);
this->ScrollBack->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->ScrollBack,0);
this->UpLeftButton = ParentScreen->CreateButton(this->Name+".LeftButton",UnifiedRect(UnifiedVec2(-1,-1,0,0),ChildSize));
this->UpLeftButton->SetHorizontalPositioningRules(UI::PF_Anchor_Right | UI::PF_Anchor_SelfSize);
this->UpLeftButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->UpLeftButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->UpLeftButton,1);
this->DownRightButton = ParentScreen->CreateButton(this->Name+".RightButton",ChildRect);
this->DownRightButton->SetHorizontalPositioningRules(UI::PF_Anchor_Right);
this->DownRightButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->DownRightButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->DownRightButton,2);
this->Scroller = ParentScreen->CreateButton(this->Name+".Scroller",ChildRect);
this->Scroller->SetManualTransformUpdates(true);
this->AddChild(this->Scroller,3);
}
else if(UI::SB_TogetherUpLeft == ScrollStyle)
{
// Create our objects
this->UpLeftButton = ParentScreen->CreateButton(this->Name+".LeftButton",ChildRect);
this->UpLeftButton->SetHorizontalPositioningRules(UI::PF_Anchor_Left);
this->UpLeftButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->UpLeftButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->UpLeftButton,0);
this->DownRightButton = ParentScreen->CreateButton(this->Name+".RightButton",UnifiedRect(UnifiedVec2(1,1,0,0),ChildSize));
this->DownRightButton->SetHorizontalPositioningRules(UI::PF_Anchor_Left | UI::PF_Anchor_SelfSize);
this->DownRightButton->SetHorizontalSizingRules(UI::SR_Match_Other_Axis);
this->DownRightButton->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->DownRightButton,1);
this->ScrollBack = ParentScreen->CreateButton(this->Name+".ScrollBack",ChildRect);
this->ScrollBack->SetHorizontalSizingRules(UI::SR_Fill_Available);
this->ScrollBack->SetVerticalSizingRules(UI::SR_Unified_Dims);
this->AddChild(this->ScrollBack,2);
this->Scroller = ParentScreen->CreateButton(this->Name+".Scroller",ChildRect);
this->Scroller->SetManualTransformUpdates(true);
this->AddChild(this->Scroller,3);
}
}
Rect TempDims;
if( this->ActDims != TempDims ) {
TempDims = this->ActDims;
this->UpdateDimensions(TempDims,TempDims);
}
this->SubscribeToChildEvents();
}