/**
* Perform layout on the area.
*/
void Area::DoLayout()
{
if (Content() == NULL)
return; // empty areas need no layout
// if there is a childArea, then it is the childArea that actually contains the content
Area* area = (fChildArea != NULL) ? fChildArea : this;
// set content location and size
area->Content()->MoveTo(floor(area->Left()->Value() + 0.5),
floor(area->Top()->Value() + 0.5));
int32 width = (int32)floor(area->Right()->Value() - area->Left()->Value() + 0.5);
int32 height = (int32)floor(area->Bottom()->Value() - area->Top()->Value() + 0.5);
area->Content()->ResizeTo(width, height);
}
BALMLayoutBuilder&
BALMLayoutBuilder::AddToLeft(BView* view, XTab* _left, YTab* top, YTab* bottom)
{
Area* currentArea = _CurrentArea();
BReference<XTab> left = _left;
if (_left == NULL)
left = fLayout->AddXTab();
XTab* right = currentArea->Left();
if (!top)
top = currentArea->Top();
if (!bottom)
bottom = currentArea->Bottom();
return Add(view, left, top, right, bottom);
}
BALMLayoutBuilder&
BALMLayoutBuilder::AddBelow(BLayoutItem* item, YTab* _bottom, XTab* left,
XTab* right)
{
Area* currentArea = _CurrentArea();
if (!left)
left = currentArea->Left();
if (!right)
right = currentArea->Right();
YTab* top = currentArea->Bottom();
BReference<YTab> bottom = _bottom;
if (_bottom == NULL)
bottom = fLayout->AddYTab();
return Add(item, left, top, right, bottom);
}
BALMLayoutBuilder&
BALMLayoutBuilder::AddAbove(BLayoutItem* item, YTab* _top, XTab* left,
XTab* right)
{
Area* currentArea = _CurrentArea();
if (!left)
left = currentArea->Left();
if (!right)
right = currentArea->Right();
BReference<YTab> top = _top;
if (_top == NULL)
top = fLayout->AddYTab();
YTab* bottom = currentArea->Top();
return Add(item, left, top, right, bottom);
}