| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: layout.h |
| | 3 | // Purpose: interface of layout constraints classes |
| | 4 | // Author: wxWidgets team |
| | 5 | // Licence: wxWindows licence |
| | 6 | ///////////////////////////////////////////////////////////////////////////// |
| | 7 | |
| | 8 | |
| | 9 | enum wxEdge |
| | 10 | { |
| | 11 | wxLeft, wxTop, wxRight, wxBottom, wxWidth, wxHeight, |
| | 12 | wxCentre, wxCenter = wxCentre, wxCentreX, wxCentreY |
| | 13 | }; |
| | 14 | |
| | 15 | enum wxRelationship |
| | 16 | { |
| | 17 | wxUnconstrained, |
| | 18 | wxAsIs, |
| | 19 | wxPercentOf, |
| | 20 | wxAbove, |
| | 21 | wxBelow, |
| | 22 | wxLeftOf, |
| | 23 | wxRightOf, |
| | 24 | wxSameAs, |
| | 25 | wxAbsolute |
| | 26 | }; |
| | 27 | |
| | 28 | const int wxLAYOUT_DEFAULT_MARGIN = 0; |
| | 29 | |
| | 30 | // ---------------------------------------------------------------------------- |
| | 31 | // wxIndividualLayoutConstraint: a constraint on window position |
| | 32 | // ---------------------------------------------------------------------------- |
| | 33 | |
| | 34 | class wxIndividualLayoutConstraint : public wxObject |
| | 35 | { |
| | 36 | public: |
| | 37 | wxIndividualLayoutConstraint(); |
| | 38 | |
| | 39 | // note that default copy ctor and assignment operators are ok |
| | 40 | |
| | 41 | virtual ~wxIndividualLayoutConstraint(); |
| | 42 | |
| | 43 | void Set(wxRelationship rel, |
| | 44 | wxWindow *otherW, |
| | 45 | wxEdge otherE, |
| | 46 | int val = 0, |
| | 47 | int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 48 | |
| | 49 | // |
| | 50 | // Sibling relationships |
| | 51 | // |
| | 52 | void LeftOf(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 53 | void RightOf(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 54 | void Above(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 55 | void Below(wxWindow *sibling, int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 56 | |
| | 57 | // |
| | 58 | // 'Same edge' alignment |
| | 59 | // |
| | 60 | void SameAs(wxWindow *otherW, wxEdge edge, int margin = wxLAYOUT_DEFAULT_MARGIN); |
| | 61 | |
| | 62 | // The edge is a percentage of the other window's edge |
| | 63 | void PercentOf(wxWindow *otherW, wxEdge wh, int per); |
| | 64 | |
| | 65 | // |
| | 66 | // Edge has absolute value |
| | 67 | // |
| | 68 | void Absolute(int val); |
| | 69 | |
| | 70 | // |
| | 71 | // Dimension is unconstrained |
| | 72 | // |
| | 73 | void Unconstrained(); |
| | 74 | |
| | 75 | // |
| | 76 | // Dimension is 'as is' (use current size settings) |
| | 77 | // |
| | 78 | void AsIs(); |
| | 79 | |
| | 80 | // |
| | 81 | // Accessors |
| | 82 | // |
| | 83 | wxWindow *GetOtherWindow(); |
| | 84 | wxEdge GetMyEdge() const; |
| | 85 | void SetEdge(wxEdge which); |
| | 86 | void SetValue(int v); |
| | 87 | int GetMargin(); |
| | 88 | void SetMargin(int m); |
| | 89 | int GetValue() const; |
| | 90 | int GetPercent() const; |
| | 91 | int GetOtherEdge() const; |
| | 92 | bool GetDone() const; |
| | 93 | void SetDone(bool d); |
| | 94 | wxRelationship GetRelationship(); |
| | 95 | void SetRelationship(wxRelationship r); |
| | 96 | |
| | 97 | // Reset constraint if it mentions otherWin |
| | 98 | bool ResetIfWin(wxWindow *otherW); |
| | 99 | |
| | 100 | // Try to satisfy constraint |
| | 101 | bool SatisfyConstraint(wxLayoutConstraints *constraints, wxWindow *win); |
| | 102 | |
| | 103 | // Get the value of this edge or dimension, or if this |
| | 104 | // is not determinable, -1. |
| | 105 | int GetEdge(wxEdge which, wxWindow *thisWin, wxWindow *other) const; |
| | 106 | }; |
| | 107 | |
| | 108 | // ---------------------------------------------------------------------------- |
| | 109 | // wxLayoutConstraints: the complete set of constraints for a window |
| | 110 | // ---------------------------------------------------------------------------- |
| | 111 | |
| | 112 | class wxLayoutConstraints : public wxObject |
| | 113 | { |
| | 114 | public: |
| | 115 | // Edge constraints |
| | 116 | wxIndividualLayoutConstraint left; |
| | 117 | wxIndividualLayoutConstraint top; |
| | 118 | wxIndividualLayoutConstraint right; |
| | 119 | wxIndividualLayoutConstraint bottom; |
| | 120 | // Size constraints |
| | 121 | wxIndividualLayoutConstraint width; |
| | 122 | wxIndividualLayoutConstraint height; |
| | 123 | // Centre constraints |
| | 124 | wxIndividualLayoutConstraint centreX; |
| | 125 | wxIndividualLayoutConstraint centreY; |
| | 126 | |
| | 127 | wxLayoutConstraints(); |
| | 128 | |
| | 129 | // note that default copy ctor and assignment operators are ok |
| | 130 | |
| | 131 | virtual ~wxLayoutConstraints(); |
| | 132 | |
| | 133 | bool SatisfyConstraints(wxWindow *win, int *noChanges); |
| | 134 | bool AreSatisfied() const; |
| | 135 | }; |
| | 136 | |
projects / wxWidgets.git / blame_incremental