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117 lines
4.6 KiB
117 lines
4.6 KiB
/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef ANCHORLAYOUT_H
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#define ANCHORLAYOUT_H
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#include "../prerequisites.h"
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#include "../rect.h"
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#include "uiconstants.h"
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enum EAnchorType {
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ANCHOR_LEFT = 0,
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ANCHOR_RIGHT,
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ANCHOR_TOP,
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ANCHOR_BOTTOM,
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ANCHOR_HORIZONTAL_CENTER,
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ANCHOR_VERTICAL_CENTER,
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ANCHOR_NONE
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};
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class AnchorLayout;
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typedef std::shared_ptr<AnchorLayout> AnchorLayoutPtr;
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typedef std::weak_ptr<AnchorLayout> AnchorLayoutWeakPtr;
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class AnchorLine
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{
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public:
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AnchorLine() : m_anchorType(ANCHOR_NONE) { }
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AnchorLine(const AnchorLine& other) :
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m_relativeElement(other.m_relativeElement), m_anchorType(other.m_anchorType) { }
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AnchorLine(AnchorLayoutPtr relativeElement, EAnchorType anchorType) :
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m_relativeElement(relativeElement), m_anchorType(anchorType) { }
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bool isValid() const { return (m_anchorType != ANCHOR_NONE && !m_relativeElement.expired()); }
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int getPos() const;
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EAnchorType getAnchorType() const { return m_anchorType; }
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AnchorLayoutPtr getRelativeElement() const { return m_relativeElement.lock(); }
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private:
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AnchorLayoutWeakPtr m_relativeElement;
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EAnchorType m_anchorType;
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};
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class AnchorLayout : public std::enable_shared_from_this<AnchorLayout>
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{
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public:
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AnchorLayout() :
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m_marginLeft(0),
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m_marginRight(0),
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m_marginTop(0),
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m_marginBottom(0) { }
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virtual ~AnchorLayout() { }
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void setSize(const Size& size);
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Size getSize() { return m_rect.size(); }
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void setRect(const Rect& rect);
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const Rect& getRect() const{ return m_rect; }
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void addAnchor(EAnchorType type, const AnchorLine& anchorLine);
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void anchorLeft(const AnchorLine& anchorLine) { addAnchor(ANCHOR_LEFT, anchorLine); }
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void anchorRight(const AnchorLine& anchorLine) { addAnchor(ANCHOR_RIGHT, anchorLine); }
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void anchorTop(const AnchorLine& anchorLine) { addAnchor(ANCHOR_TOP, anchorLine); }
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void anchorBottom(const AnchorLine& anchorLine) { addAnchor(ANCHOR_BOTTOM, anchorLine); }
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void anchorHorizontalCenter(const AnchorLine& anchorLine) { addAnchor(ANCHOR_HORIZONTAL_CENTER, anchorLine); }
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void anchorVerticalCenter(const AnchorLine& anchorLine) { addAnchor(ANCHOR_VERTICAL_CENTER, anchorLine); }
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AnchorLine left() { return AnchorLine(asAnchorLayout(), ANCHOR_LEFT); }
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AnchorLine right() { return AnchorLine(asAnchorLayout(), ANCHOR_RIGHT); }
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AnchorLine top() { return AnchorLine(asAnchorLayout(), ANCHOR_TOP); }
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AnchorLine bottom() { return AnchorLine(asAnchorLayout(), ANCHOR_BOTTOM); }
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AnchorLine horizontalCenter() { return AnchorLine(asAnchorLayout(), ANCHOR_HORIZONTAL_CENTER); }
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AnchorLine verticalCenter() { return AnchorLine(asAnchorLayout(), ANCHOR_VERTICAL_CENTER); }
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void setMargin(int top, int left, int bottom, int right) { m_marginLeft = left; m_marginRight = right; m_marginTop = top; m_marginBottom = bottom; recalculateAnchors(); }
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void setMargin(int horizontal, int vertical) { m_marginLeft = m_marginRight = horizontal; m_marginTop = m_marginBottom = vertical; recalculateAnchors(); }
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void setMargin(int margin) { m_marginLeft = m_marginRight = m_marginTop = m_marginBottom = margin; recalculateAnchors(); }
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AnchorLayoutPtr asAnchorLayout() { return shared_from_this(); }
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private:
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void recalculateAnchors();
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void addAnchoredElement(AnchorLayoutPtr anchoredElement);
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AnchorLine m_anchors[6];
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Rect m_rect;
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int m_marginLeft;
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int m_marginRight;
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int m_marginTop;
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int m_marginBottom;
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std::list<AnchorLayoutWeakPtr> m_anchoredElements;
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};
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#endif // ANCHORLAYOUT_H
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