void
BTwoDimensionalLayout::VerticalCompoundLayouter::DoLayout(float size,
LocalLayouter* localLayouter, BLayoutContext* context)
{
Layouter* layouter;
if (_HasHeightForWidth()) {
float minHeight, maxHeight, preferredHeight;
InternalGetHeightForWidth(localLayouter, context, true, &minHeight,
&maxHeight, &preferredHeight);
size = max_c(size, minHeight);
layouter = fHeightForWidthLayouter;
} else
layouter = fLayouter;
layouter->Layout(fLayoutInfo, size);
}
void
BSplitLayout::DoLayout()
{
_ValidateMinMax();
// layout the elements
BSize size = _SubtractInsets(LayoutArea().Size());
fHorizontalLayouter->Layout(fHorizontalLayoutInfo, size.width);
Layouter* verticalLayouter;
if (HasHeightForWidth()) {
float minHeight, maxHeight, preferredHeight;
_InternalGetHeightForWidth(size.width, true, &minHeight, &maxHeight,
&preferredHeight);
size.height = max_c(size.height, minHeight);
verticalLayouter = fHeightForWidthVerticalLayouter;
} else
verticalLayouter = fVerticalLayouter;
verticalLayouter->Layout(fVerticalLayoutInfo, size.height);
float xOffset = fLeftInset;
float yOffset = fTopInset;
float splitterWidth = 0; // pixel counts, no distances
float splitterHeight = 0; //
float xSpacing = 0;
float ySpacing = 0;
if (fOrientation == B_HORIZONTAL) {
splitterWidth = fSplitterSize;
splitterHeight = size.height + 1;
xSpacing = fSpacing;
} else {
splitterWidth = size.width + 1;
splitterHeight = fSplitterSize;
ySpacing = fSpacing;
}
int itemCount = CountItems();
for (int i = 0; i < itemCount; i++) {
// layout the splitter
if (i > 0) {
SplitterItem* splitterItem = _SplitterItemAt(i - 1);
_LayoutItem(splitterItem, BRect(xOffset, yOffset,
xOffset + splitterWidth - 1, yOffset + splitterHeight - 1),
true);
if (fOrientation == B_HORIZONTAL)
xOffset += splitterWidth + xSpacing;
else
yOffset += splitterHeight + ySpacing;
}
// layout the item
BLayoutItem* item = ItemAt(i);
int32 visibleIndex = fVisibleItems.IndexOf(item);
if (visibleIndex < 0) {
_LayoutItem(item, BRect(), false);
continue;
}
// get the dimensions of the item
float width = fHorizontalLayoutInfo->ElementSize(visibleIndex);
float height = fVerticalLayoutInfo->ElementSize(visibleIndex);
// place the component
_LayoutItem(item, BRect(xOffset, yOffset, xOffset + width,
yOffset + height), true);
if (fOrientation == B_HORIZONTAL)
xOffset += width + xSpacing + 1;
else
yOffset += height + ySpacing + 1;
}
fLayoutValid = true;
}
