8ff9b17d57
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68973 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: layout.h
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// Purpose: interface of layout constraints classes
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// Author: wxWidgets team
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// RCS-ID: $Id: $
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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enum wxEdge
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{
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wxLeft, wxTop, wxRight, wxBottom, wxWidth, wxHeight,
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wxCentre, wxCenter = wxCentre, wxCentreX, wxCentreY
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};
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enum wxRelationship
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{
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wxUnconstrained,
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wxAsIs,
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wxPercentOf,
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wxAbove,
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wxBelow,
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wxLeftOf,
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wxRightOf,
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wxSameAs,
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wxAbsolute
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};
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const int wxLAYOUT_DEFAULT_MARGIN = 0;
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// ----------------------------------------------------------------------------
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// wxIndividualLayoutConstraint: a constraint on window position
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// ----------------------------------------------------------------------------
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class wxIndividualLayoutConstraint : public wxObject
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{
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public:
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wxIndividualLayoutConstraint();
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// note that default copy ctor and assignment operators are ok
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virtual ~wxIndividualLayoutConstraint();
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void Set(wxRelationship rel,
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wxWindow *otherW,
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wxEdge otherE,
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int val = 0,
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int margin = wxLAYOUT_DEFAULT_MARGIN);
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//
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// Sibling relationships
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//
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void LeftOf(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN);
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void RightOf(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN);
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void Above(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN);
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void Below(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN);
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//
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// 'Same edge' alignment
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//
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void SameAs(wxWindow *otherW, wxEdge edge, int margin = wxLAYOUT_DEFAULT_MARGIN);
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// The edge is a percentage of the other window's edge
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void PercentOf(wxWindow *otherW, wxEdge wh, int per);
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//
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// Edge has absolute value
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//
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void Absolute(int val);
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//
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// Dimension is unconstrained
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//
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void Unconstrained() { relationship = wxUnconstrained; }
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//
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// Dimension is 'as is' (use current size settings)
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//
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void AsIs() { relationship = wxAsIs; }
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//
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// Accessors
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//
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wxWindow *GetOtherWindow();
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wxEdge GetMyEdge() const;
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void SetEdge(wxEdge which);
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void SetValue(int v);
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int GetMargin();
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void SetMargin(int m);
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int GetValue() const;
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int GetPercent() const;
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int GetOtherEdge() const;
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bool GetDone() const;
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void SetDone(bool d);
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wxRelationship GetRelationship();
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void SetRelationship(wxRelationship r);
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// Reset constraint if it mentions otherWin
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bool ResetIfWin(wxWindow *otherW);
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// Try to satisfy constraint
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bool SatisfyConstraint(wxLayoutConstraints *constraints, wxWindow *win);
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// Get the value of this edge or dimension, or if this
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// is not determinable, -1.
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int GetEdge(wxEdge which, wxWindow *thisWin, wxWindow *other) const;
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};
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// ----------------------------------------------------------------------------
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// wxLayoutConstraints: the complete set of constraints for a window
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// ----------------------------------------------------------------------------
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class wxLayoutConstraints : public wxObject
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{
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public:
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// Edge constraints
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wxIndividualLayoutConstraint left;
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wxIndividualLayoutConstraint top;
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wxIndividualLayoutConstraint right;
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wxIndividualLayoutConstraint bottom;
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// Size constraints
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wxIndividualLayoutConstraint width;
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wxIndividualLayoutConstraint height;
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// Centre constraints
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wxIndividualLayoutConstraint centreX;
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wxIndividualLayoutConstraint centreY;
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wxLayoutConstraints();
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// note that default copy ctor and assignment operators are ok
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virtual ~wxLayoutConstraints(){}
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bool SatisfyConstraints(wxWindow *win, int *noChanges);
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bool AreSatisfied() const;
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};
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