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67 lines
1.9 KiB
67 lines
1.9 KiB
#ifndef UIANCHORLAYOUT_H
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#define UIANCHORLAYOUT_H
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#include <global.h>
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#include <ui/uilayout.h>
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class UIElement;
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typedef boost::shared_ptr<UIElement> UIElementPtr;
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typedef boost::weak_ptr<UIElement> UIElementWeakPtr;
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enum AnchorPoint {
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AnchorNone = 0,
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AnchorTop,
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AnchorBottom,
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AnchorLeft,
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AnchorRight,
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AnchorVerticalCenter,
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AnchorHorizontalCenter,
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};
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class AnchorLine
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{
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public:
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AnchorLine(const std::string& elementId, AnchorPoint edge) : m_elementId(elementId), m_edge(edge) { }
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AnchorLine(const AnchorLine& other) : m_elementId(other.m_elementId), m_edge(other.m_edge) { }
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AnchorPoint getEdge() const { return m_edge; }
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const std::string& getElementId() const { return m_elementId; }
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private:
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std::string m_elementId;
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AnchorPoint m_edge;
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};
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class Anchor
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{
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public:
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Anchor(const UIElementPtr& anchoredElement, AnchorPoint anchoredEdge, const AnchorLine& anchorLine)
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: m_anchoredElement(anchoredElement), m_anchoredEdge(anchoredEdge), m_anchorLine(anchorLine) { }
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UIElementPtr getAnchorLineElement() const ;
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UIElementPtr getAnchoredElement() const { return m_anchoredElement.lock(); }
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AnchorPoint getAnchoredEdge() const { return m_anchoredEdge; }
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int getAnchorLinePoint() const;
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private:
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UIElementWeakPtr m_anchoredElement;
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AnchorPoint m_anchoredEdge;
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AnchorLine m_anchorLine;
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};
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class UIAnchorLayout : public UILayout
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{
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public:
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bool addAnchor(const UIElementPtr& anchoredElement, AnchorPoint anchoredEdge, const AnchorLine& anchorLine);
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void recalculateElementLayout(const UIElementPtr& element);
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void recalculateChildrenLayout(const UIElementPtr& parent);
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bool hasElementInAnchorTree(const UIElementPtr& element, const UIElementPtr& treeAnchor);
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static AnchorPoint parseAnchorPoint(const std::string& anchorPointStr);
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private:
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std::vector<Anchor> m_anchors;
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};
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typedef boost::shared_ptr<UIAnchorLayout> UIAnchorLayoutPtr;
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#endif // UIANCHORLAYOUT_H
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