89 lines
No EOL
2 KiB
C++
89 lines
No EOL
2 KiB
C++
#pragma once
|
|
|
|
#include "Rect.hpp"
|
|
#include <vector>
|
|
|
|
namespace tp {
|
|
class Widget;
|
|
|
|
enum class SizePolicy {
|
|
Fixed,
|
|
Expanding,
|
|
Minimal,
|
|
};
|
|
|
|
enum class LayoutPolicy {
|
|
Passive,
|
|
Vertical,
|
|
Horizontal,
|
|
};
|
|
|
|
class WidgetLayout {
|
|
public:
|
|
explicit WidgetLayout(Widget* widget) { mWidget = widget; }
|
|
virtual ~WidgetLayout() = default;
|
|
|
|
virtual void pickRect() = 0;
|
|
virtual void clampRect() = 0;
|
|
virtual void adjustChildrenRect() = 0;
|
|
virtual RectF getAvailableChildArea() const;
|
|
|
|
public:
|
|
const Vec2F& getMinSize();
|
|
void setMinSize(const Vec2F& size);
|
|
|
|
const Vec2<SizePolicy>& getSizePolicy() const;
|
|
void setSizePolicy(SizePolicy x, SizePolicy y);
|
|
|
|
public:
|
|
[[nodiscard]] const RectF& getArea() const;
|
|
RectF getAnimatedArea() const;
|
|
|
|
void setArea(const RectF& area);
|
|
[[nodiscard]] Widget* parent() const;
|
|
[[nodiscard]] const std::vector<Widget*>& children() const;
|
|
|
|
public:
|
|
void clampMinMaxSize();
|
|
|
|
[[nodiscard]] RangeF pickRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
|
|
[[nodiscard]] RangeF clampRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
|
|
|
|
[[nodiscard]] RectF getChildrenEnclosure() const;
|
|
[[nodiscard]] RectF getParentEnclosure() const;
|
|
|
|
private:
|
|
Widget* mWidget = nullptr;
|
|
|
|
protected:
|
|
Vec2<SizePolicy> mSizePolicy = { SizePolicy::Fixed, SizePolicy::Fixed };
|
|
Vec2F mMinSize = { 50, 50 };
|
|
Vec2F mMaxSize = { FLT_MAX / 2, FLT_MAX / 2 };
|
|
};
|
|
|
|
class BasicLayout : public WidgetLayout {
|
|
public:
|
|
explicit BasicLayout(Widget* widget) : WidgetLayout(widget) {}
|
|
|
|
void pickRect() override;
|
|
void clampRect() override;
|
|
void adjustChildrenRect() override;
|
|
RectF getAvailableChildArea() const override;
|
|
|
|
private:
|
|
void adjustLayout(bool vertical);
|
|
static halnf changeChildSize(Widget*, halnf diff, bool vertical);
|
|
|
|
private:
|
|
LayoutPolicy mLayoutPolicy = LayoutPolicy::Vertical;
|
|
halnf mLayoutGap = 5;
|
|
halnf mLayoutMargin = 10;
|
|
};
|
|
|
|
class LayoutManager {
|
|
public:
|
|
LayoutManager() = default;
|
|
|
|
void adjust(Widget* root);
|
|
};
|
|
} |