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#pragma once
#include "../../../../helpers/math/Math.hpp"
#include "../../../../helpers/memory/Memory.hpp"
#include <vector>
namespace Layout::Tiled {
struct SColumnData;
enum eScrollDirection : uint8_t {
SCROLL_DIR_RIGHT = 0,
SCROLL_DIR_LEFT,
SCROLL_DIR_DOWN,
SCROLL_DIR_UP,
};
struct SStripData {
float size = 1.F; // size along primary axis
std::vector<float> targetSizes; // sizes along secondary axis for each target in this strip
WP<SColumnData> userData;
SStripData() = default;
};
struct STapeLayoutResult {
CBox box;
size_t stripIndex = 0;
size_t targetIndex = 0;
};
class CScrollTapeController {
public:
CScrollTapeController(eScrollDirection direction = SCROLL_DIR_RIGHT);
~CScrollTapeController() = default;
void setDirection(eScrollDirection dir);
eScrollDirection getDirection() const;
bool isPrimaryHorizontal() const;
bool isReversed() const;
size_t addStrip(float size = 1.0F);
void insertStrip(ssize_t afterIndex, float size = 1.0F);
void removeStrip(size_t index);
size_t stripCount() const;
SStripData& getStrip(size_t index);
const SStripData& getStrip(size_t index) const;
void swapStrips(size_t a, size_t b);
void setOffset(double offset);
double getOffset() const;
void adjustOffset(double delta);
double calculateMaxExtent(const CBox& usableArea, bool fullscreenOnOne = false) const;
double calculateStripStart(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
double calculateStripSize(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false) const;
CBox calculateStripBox(size_t stripIndex, const CBox& usableArea, const Vector2D& workspaceOffset, bool fullscreenOnOne = false);
CBox calculateTargetBox(size_t stripIndex, size_t targetIndex, const CBox& usableArea, const Vector2D& workspaceOffset, bool fullscreenOnOne = false);
double calculateCameraOffset(const CBox& usableArea, bool fullscreenOnOne = false);
Vector2D getCameraTranslation(const CBox& usableArea, bool fullscreenOnOne = false);
void centerStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
void fitStrip(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false);
bool isStripVisible(size_t stripIndex, const CBox& usableArea, bool fullscreenOnOne = false, bool full = false) const;
size_t getStripAtCenter(const CBox& usableArea, bool fullscreenOnOne = false) const;
private:
eScrollDirection m_direction = SCROLL_DIR_RIGHT;
std::vector<SStripData> m_strips;
double m_offset = 0.0;
double getPrimary(const Vector2D& v) const;
double getSecondary(const Vector2D& v) const;
void setPrimary(Vector2D& v, double val) const;
void setSecondary(Vector2D& v, double val) const;
bool isBeingDragged() const;
Vector2D makeVector(double primary, double secondary) const;
};
};
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