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-rw-r--r--src/ui/render/flex_layout_render_object.cpp66
-rw-r--r--src/ui/render/stack_layout_render_object.cpp49
2 files changed, 59 insertions, 56 deletions
diff --git a/src/ui/render/flex_layout_render_object.cpp b/src/ui/render/flex_layout_render_object.cpp
index 1cac6899..791e705a 100644
--- a/src/ui/render/flex_layout_render_object.cpp
+++ b/src/ui/render/flex_layout_render_object.cpp
@@ -7,60 +7,14 @@
#include <functional>
namespace cru::ui::render {
-FlexLayoutRenderObject::FlexLayoutRenderObject() {
- SetChildMode(ChildMode::Multiple);
-}
-
-void FlexLayoutRenderObject::Draw(platform::graph::IPainter* painter) {
- for (const auto child : GetChildren()) {
- auto offset = child->GetOffset();
- platform::graph::util::WithTransform(
- painter, platform::Matrix::Translation(offset.x, offset.y),
- [child](auto p) { child->Draw(p); });
- }
-}
-
-RenderObject* FlexLayoutRenderObject::HitTest(const Point& point) {
- const auto& children = GetChildren();
- for (auto i = children.crbegin(); i != children.crend(); ++i) {
- auto offset = (*i)->GetOffset();
- Point p{point.x - offset.x, point.y - offset.y};
- const auto result = (*i)->HitTest(p);
- if (result != nullptr) {
- return result;
- }
- }
-
- const auto margin = GetMargin();
- const auto size = GetSize();
- return Rect{margin.left, margin.top,
- std::max(size.width - margin.GetHorizontalTotal(), 0.0f),
- std::max(size.height - margin.GetVerticalTotal(), 0.0f)}
- .IsPointInside(point)
- ? this
- : nullptr;
-} // namespace cru::ui::render
-
-void FlexLayoutRenderObject::OnAddChild(RenderObject* new_child, int position) {
- CRU_UNUSED(new_child)
-
- child_layout_data_.emplace(child_layout_data_.cbegin() + position);
-}
-
-void FlexLayoutRenderObject::OnRemoveChild(RenderObject* removed_child,
- int position) {
- CRU_UNUSED(removed_child)
-
- child_layout_data_.erase(child_layout_data_.cbegin() + position);
-}
-
Size FlexLayoutRenderObject::OnMeasureContent(const Size& available_size) {
std::vector<int> has_basis_children;
std::vector<int> no_basis_children;
std::vector<int> grow_children;
std::vector<int> shrink_chilren;
- for (int i = 0; i < static_cast<int>(child_layout_data_.size()); i++) {
- const auto& layout_data = child_layout_data_[i];
+ const auto child_count = GetChildCount();
+ for (int i = 0; i < child_count; i++) {
+ const auto& layout_data = *GetChildLayoutData(i);
if (layout_data.flex_basis.has_value())
has_basis_children.push_back(i);
else
@@ -91,7 +45,7 @@ Size FlexLayoutRenderObject::OnMeasureContent(const Size& available_size) {
for (const int i : has_basis_children) {
const auto child = children[i];
- const float basis = child_layout_data_[i].flex_basis.value();
+ const float basis = GetChildLayoutData(i)->flex_basis.value();
child->Measure(create_size(basis, get_cross_length(available_size)));
remain_main_length -= basis;
const float child_preferred_cross_length =
@@ -112,11 +66,11 @@ Size FlexLayoutRenderObject::OnMeasureContent(const Size& available_size) {
if (remain_main_length > 0) {
float total_grow = 0;
for (const int i : grow_children)
- total_grow += child_layout_data_[i].flex_grow;
+ total_grow += GetChildLayoutData(i)->flex_grow;
for (const int i : grow_children) {
const float distributed_grow_length =
- remain_main_length * (child_layout_data_[i].flex_grow / total_grow);
+ remain_main_length * (GetChildLayoutData(i)->flex_grow / total_grow);
const auto child = children[i];
const float new_main_length =
get_main_length(child->GetPreferredSize()) + distributed_grow_length;
@@ -134,12 +88,12 @@ Size FlexLayoutRenderObject::OnMeasureContent(const Size& available_size) {
if (remain_main_length < 0) {
float total_shrink = 0;
for (const int i : shrink_chilren)
- total_shrink += child_layout_data_[i].flex_shrink;
+ total_shrink += GetChildLayoutData(i)->flex_shrink;
for (const int i : shrink_chilren) {
const float distributed_shrink_length = // negative
remain_main_length *
- (child_layout_data_[i].flex_shrink / total_shrink);
+ (GetChildLayoutData(i)->flex_shrink / total_shrink);
const auto child = children[i];
float new_main_length = get_main_length(child->GetPreferredSize()) +
distributed_shrink_length;
@@ -201,7 +155,7 @@ void FlexLayoutRenderObject::OnLayoutContent(const Rect& content_rect) {
child->Layout(Rect{
real_anchor_x,
calculate_anchor(
- static_cast<int>(child_layout_data_[i].cross_alignment.value_or(
+ static_cast<int>(GetChildLayoutData(i)->cross_alignment.value_or(
this->item_cross_align_)),
content_rect.top, content_rect.height, size.height),
size.width, size.height});
@@ -232,7 +186,7 @@ void FlexLayoutRenderObject::OnLayoutContent(const Rect& content_rect) {
child->Layout(Rect{
real_anchor_y,
calculate_anchor(
- static_cast<int>(child_layout_data_[i].cross_alignment.value_or(
+ static_cast<int>(GetChildLayoutData(i)->cross_alignment.value_or(
this->item_cross_align_)),
content_rect.left, content_rect.width, size.width),
size.width, size.height});
diff --git a/src/ui/render/stack_layout_render_object.cpp b/src/ui/render/stack_layout_render_object.cpp
new file mode 100644
index 00000000..1cb31252
--- /dev/null
+++ b/src/ui/render/stack_layout_render_object.cpp
@@ -0,0 +1,49 @@
+#include "cru/ui/render/stack_layout_render_object.hpp"
+
+#include <algorithm>
+
+namespace cru::ui::render {
+Size StackLayoutRenderObject::OnMeasureContent(const Size& available_size) {
+ auto size = Size{};
+ for (const auto child : GetChildren()) {
+ child->Measure(available_size);
+ const auto& preferred_size = child->GetPreferredSize();
+ size.width = std::max(size.width, preferred_size.width);
+ size.height = std::max(size.height, preferred_size.height);
+ }
+ return size;
+}
+
+void StackLayoutRenderObject::OnLayoutContent(const Rect& rect) {
+ auto calculate_anchor = [](int alignment, float start_point,
+ float total_length,
+ float content_length) -> float {
+ switch (alignment) {
+ case internal::align_start:
+ return start_point;
+ case internal::align_center:
+ return start_point + (total_length - content_length) / 2.0f;
+ case internal::align_end:
+ return start_point + total_length - content_length;
+ default:
+ return 0;
+ }
+ };
+
+ const auto count = GetChildCount();
+ const auto& children = GetChildren();
+
+ for (int i = 0; i < count; i++) {
+ const auto layout_data = GetChildLayoutData(i);
+ const auto child = children[i];
+ const auto& size = child->GetPreferredSize();
+ child->Layout(
+ Rect{calculate_anchor(static_cast<int>(layout_data->horizontal),
+ rect.left, rect.width, size.width),
+ calculate_anchor(static_cast<int>(layout_data->vertical), rect.top,
+ rect.height, size.height),
+ size.width, size.height});
+ }
+}
+
+} // namespace cru::ui::render
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-28 21:07:04 +0000