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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: layout.h | |
3 | // Purpose: interface of layout constraints classes | |
4 | // Author: wxWidgets team | |
8ff9b17d RD |
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 | // | |
29a3f654 | 73 | void Unconstrained(); |
8ff9b17d RD |
74 | |
75 | // | |
76 | // Dimension is 'as is' (use current size settings) | |
77 | // | |
29a3f654 | 78 | void AsIs(); |
8ff9b17d RD |
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 | ||
29a3f654 | 131 | virtual ~wxLayoutConstraints(); |
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132 | |
133 | bool SatisfyConstraints(wxWindow *win, int *noChanges); | |
134 | bool AreSatisfied() const; | |
135 | }; | |
136 |