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#include "cru/ui/render/StackLayoutRenderObject.hpp"
#include "cru/common/Logger.hpp"
#include "cru/ui/render/LayoutHelper.hpp"
#include <algorithm>
namespace cru::ui::render {
Size StackLayoutRenderObject::OnMeasureContent(
const MeasureRequirement& requirement, const MeasureSize& preferred_size) {
Size max_size;
for (const auto child : GetChildren()) {
child->Measure(
MeasureRequirement{
MeasureSize{StackLayoutCalculateChildMaxLength(
preferred_size.width, requirement.max.width,
child->GetMinSize().width, log_tag,
"(Measure) Child's min width is bigger than "
"parent's max width."),
StackLayoutCalculateChildMaxLength(
preferred_size.height, requirement.max.height,
child->GetMinSize().height, log_tag,
"(Measure) Child's min height is bigger than "
"parent's max height.")},
MeasureSize::NotSpecified()},
MeasureSize::NotSpecified());
const auto size = child->GetSize();
max_size.width = std::max(max_size.width, size.width);
max_size.height = std::max(max_size.height, size.height);
}
max_size = Max(preferred_size.GetSizeOr0(), max_size);
max_size = Max(requirement.min.GetSizeOr0(), max_size);
return max_size;
}
void StackLayoutRenderObject::OnLayoutContent(const Rect& content_rect) {
const auto count = GetChildCount();
const auto& children = GetChildren();
for (int i = 0; i < count; i++) {
const auto child = children[i];
const auto& layout_data = GetChildLayoutData(i);
const auto& size = child->GetSize();
child->Layout(Point{
CalculateAnchorByAlignment(layout_data.horizontal, content_rect.left,
content_rect.width, size.width),
CalculateAnchorByAlignment(layout_data.vertical, content_rect.top,
content_rect.height, size.height)});
}
}
} // namespace cru::ui::render
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