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-rw-r--r--src/ui/control.cpp182
1 files changed, 60 insertions, 122 deletions
diff --git a/src/ui/control.cpp b/src/ui/control.cpp
index 0fec1ef8..8c9578df 100644
--- a/src/ui/control.cpp
+++ b/src/ui/control.cpp
@@ -180,27 +180,25 @@ namespace cru::ui
Point Control::GetPositionRelative()
{
- return position_;
+ return rect_.GetLeftTop();
}
- void Control::SetPositionRelative(const Point & position)
+ Size Control::GetSize()
{
- if (position != position_)
- {
- if (old_position_ == position) // if cache has been refreshed and no pending notify
- old_position_ = position_;
- position_ = position;
- LayoutManager::GetInstance()->InvalidateControlPositionCache(this);
- if (auto window = GetWindow())
- {
- window->InvalidateDraw();
- }
- }
+ return rect_.GetSize();
}
- Size Control::GetSize()
+ void Control::SetRect(const Rect& rect)
{
- return size_;
+ const auto old_rect = rect_;
+ rect_ = rect;
+
+ RegenerateGeometryInfo();
+
+ OnRectChange(old_rect, rect);
+
+ if (auto window = GetWindow())
+ window->InvalidateDraw();
}
namespace
@@ -224,24 +222,6 @@ namespace cru::ui
#endif
}
- void Control::SetSize(const Size & size)
- {
- const auto old_size = size_;
- size_ = size;
- events::SizeChangedEventArgs args(this, this, old_size, size);
- size_changed_event.Raise(args);
-
- RegenerateGeometryInfo();
-
-#ifdef CRU_DEBUG_LAYOUT
- margin_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Margin), GetRect(RectRange::FullBorder));
- padding_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Padding), GetRect(RectRange::Content));
-#endif
-
- if (auto window = GetWindow())
- window->InvalidateDraw();
- }
-
Point Control::GetPositionAbsolute() const
{
return position_cache_.lefttop_position_absolute;
@@ -377,17 +357,21 @@ namespace cru::ui
window->WindowInvalidateLayout();
}
- void Control::Measure(const Size& available_size)
+ void Control::Measure(const Size& available_size, const AdditionalMeasureInfo& additional_info)
{
- SetDesiredSize(OnMeasureCore(available_size));
+ SetDesiredSize(OnMeasureCore(available_size, additional_info));
}
- void Control::Layout(const Rect& rect)
+ void Control::Layout(const Rect& rect, const AdditionalLayoutInfo& additional_info)
{
- SetPositionRelative(rect.GetLeftTop());
- SetSize(rect.GetSize());
- AfterLayoutSelf();
- OnLayoutCore(Rect(Point::Zero(), rect.GetSize()));
+ auto my_additional_info = additional_info;
+ my_additional_info.total_offset.x += rect.left;
+ my_additional_info.total_offset.y += rect.top;
+ position_cache_.lefttop_position_absolute.x = my_additional_info.total_offset.x;
+ position_cache_.lefttop_position_absolute.y = my_additional_info.total_offset.y;
+
+ SetRect(rect);
+ OnLayoutCore(Rect(Point::Zero(), rect.GetSize()), my_additional_info);
}
Size Control::GetDesiredSize() const
@@ -570,6 +554,11 @@ namespace cru::ui
});
}
+ void Control::OnRectChange(const Rect& old_rect, const Rect& new_rect)
+ {
+
+ }
+
void Control::RegenerateGeometryInfo()
{
if (IsBordered())
@@ -629,6 +618,12 @@ namespace cru::ui
);
geometry_info_.content_geometry = std::move(geometry2);
}
+
+ //TODO: generate debug geometry
+#ifdef CRU_DEBUG_LAYOUT
+ margin_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Margin), GetRect(RectRange::FullBorder));
+ padding_geometry_ = CalculateSquareRingGeometry(GetRect(RectRange::Padding), GetRect(RectRange::Content));
+#endif
}
void Control::OnMouseClickBegin(MouseButton button)
@@ -644,13 +639,28 @@ namespace cru::ui
return Size(thickness.left + thickness.right, thickness.top + thickness.bottom);
}
- Size Control::OnMeasureCore(const Size& available_size)
+ Size Control::OnMeasureCore(const Size& available_size, const AdditionalMeasureInfo& additional_info)
{
const auto layout_params = GetLayoutParams();
if (!layout_params->Validate())
throw std::runtime_error("LayoutParams is not valid. Please check it.");
+ auto my_additional_info = additional_info;
+
+ if (layout_params->width.mode == MeasureMode::Content)
+ my_additional_info.horizontal_stretchable = false;
+ else if (layout_params->width.mode == MeasureMode::Exactly)
+ my_additional_info.horizontal_stretchable = true;
+ // if stretch, then inherent parent's value
+
+ if (layout_params->height.mode == MeasureMode::Content)
+ my_additional_info.vertical_stretchable = false;
+ else if (layout_params->height.mode == MeasureMode::Exactly)
+ my_additional_info.vertical_stretchable = true;
+ // if stretch, then inherent parent's value
+
+
auto border_size = Size::Zero();
if (is_bordered_)
{
@@ -681,66 +691,9 @@ namespace cru::ui
get_content_measure_length(layout_params->height, available_size.height, outer_size.height)
);
- const auto content_actual_size = OnMeasureContent(content_measure_size);
-
- auto stretch_width = false;
- auto stretch_width_determined = true;
- auto stretch_height = false;
- auto stretch_height_determined = true;
-
- // if it is stretch, init is stretch, and undetermined.
- if (layout_params->width.mode == MeasureMode::Stretch)
- {
- stretch_width = true;
- stretch_width_determined = false;
- }
- if (layout_params->height.mode == MeasureMode::Stretch)
- {
- stretch_height = true;
- stretch_width_determined = false;
- }
-
- if (!stretch_width_determined || !stretch_height_determined)
- {
- auto parent = GetParent();
- while (parent != nullptr)
- {
- const auto lp = parent->GetLayoutParams();
-
- if (!stretch_width_determined)
- {
- if (lp->width.mode == MeasureMode::Content) // if the first ancestor that is not stretch is content, then it can't stretch.
- {
- stretch_width = false;
- stretch_width_determined = true;
- }
- if (lp->width.mode == MeasureMode::Exactly) // if the first ancestor that is not stretch is content, then it must be stretch.
- {
- stretch_width = true;
- stretch_width_determined = true;
- }
- }
-
- if (!stretch_height_determined) // the same as width
- {
- if (lp->height.mode == MeasureMode::Content) // if the first ancestor that is not stretch is content, then it can't stretch.
- {
- stretch_height = false;
- stretch_height_determined = true;
- }
- if (lp->height.mode == MeasureMode::Exactly) // if the first ancestor that is not stretch is content, then it must be stretch.
- {
- stretch_height = true;
- stretch_height_determined = true;
- }
- }
+ const auto content_actual_size = OnMeasureContent(content_measure_size, my_additional_info);
- if (stretch_width_determined && stretch_height_determined) // if both are determined.
- break;
- parent = GetParent();
- }
- }
auto&& calculate_final_length = [](const bool stretch, const std::optional<float> min_length, const float measure_length, const float actual_length) -> float
{
@@ -751,14 +704,14 @@ namespace cru::ui
};
const auto final_size = Size(
- calculate_final_length(stretch_width, layout_params->width.min, content_measure_size.width, content_actual_size.width),
- calculate_final_length(stretch_height, layout_params->height.min, content_measure_size.height, content_actual_size.height)
+ calculate_final_length(my_additional_info.horizontal_stretchable, layout_params->width.min, content_measure_size.width, content_actual_size.width),
+ calculate_final_length(my_additional_info.vertical_stretchable, layout_params->height.min, content_measure_size.height, content_actual_size.height)
) + outer_size;
return final_size;
}
- void Control::OnLayoutCore(const Rect& rect)
+ void Control::OnLayoutCore(const Rect& rect, const AdditionalLayoutInfo& additional_info)
{
const auto layout_params = GetLayoutParams();
@@ -780,15 +733,15 @@ namespace cru::ui
if (content_rect.height < 0.0)
throw std::runtime_error(Format("Height to layout must sufficient. But in {}, height for content is {}.", ToUtf8String(GetControlType()), content_rect.height));
- OnLayoutContent(content_rect);
+ OnLayoutContent(content_rect, additional_info);
}
- Size Control::OnMeasureContent(const Size& available_size)
+ Size Control::OnMeasureContent(const Size& available_size, const AdditionalMeasureInfo& additional_info)
{
auto max_child_size = Size::Zero();
for (auto control: GetChildren())
{
- control->Measure(available_size);
+ control->Measure(available_size, additional_info);
const auto&& size = control->GetDesiredSize();
if (max_child_size.width < size.width)
max_child_size.width = size.width;
@@ -811,7 +764,7 @@ namespace cru::ui
return max_child_size;
}
- void Control::OnLayoutContent(const Rect& rect)
+ void Control::OnLayoutContent(const Rect& rect, const AdditionalLayoutInfo& additional_info)
{
for (auto control: GetChildren())
{
@@ -836,22 +789,7 @@ namespace cru::ui
control->Layout(Rect(Point(
calculate_anchor(rect.left, layout_params->width.alignment, rect.width, size.width),
calculate_anchor(rect.top, layout_params->height.alignment, rect.height, size.height)
- ), size));
- }
- }
-
- void Control::AfterLayoutSelf()
- {
-
- }
-
- void Control::CheckAndNotifyPositionChanged()
- {
- if (this->old_position_ != this->position_)
- {
- events::PositionChangedEventArgs args(this, this, this->old_position_, this->position_);
- position_changed_event.Raise(args);
- this->old_position_ = this->position_;
+ ), size), additional_info);
}
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-29 21:16:54 +0000