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1\section{\class{wxLayoutConstraints}}\label{wxlayoutconstraints}
2
3Objects of this class can be associated with a window to define its
4layout constraints, with respect to siblings or its parent.
5
6The class consists of the following eight constraints of class wxIndividualLayoutConstraint,
7some or all of which should be accessed directly to set the appropriate
8constraints.
9
10\begin{itemize}\itemsep=0pt
11\item {\bf left:} represents the left hand edge of the window
12\item {\bf right:} represents the right hand edge of the window
13\item {\bf top:} represents the top edge of the window
14\item {\bf bottom:} represents the bottom edge of the window
15\item {\bf width:} represents the width of the window
16\item {\bf height:} represents the height of the window
17\item {\bf centreX:} represents the horizontal centre point of the window
18\item {\bf centreY:} represents the vertical centre point of the window
19\end{itemize}
20
21Most constraints are initially set to have the relationship wxUnconstrained,
22which means that their values should be calculated by looking at known constraints.
23The exceptions are {\it width} and {\it height}, which are set to wxAsIs to
24ensure that if the user does not specify a constraint, the existing
25width and height will be used, to be compatible with panel items which often
26have take a default size. If the constraint is wxAsIs, the dimension will
27not be changed.
28
29\perlnote{In wxPerl the constraints are accessed as
30\begin{verbatim}
31 constraint = Wx::LayoutConstraints->new();
32 constraint->centreX->AsIs();
33 constraint->centreY->Unconstrained();
34\end{verbatim}
35}
36
37\wxheading{Derived from}
38
39\helpref{wxObject}{wxobject}
40
41\wxheading{Include files}
42
43<wx/layout.h>
44
45\wxheading{See also}
46
47\helpref{Overview and examples}{constraintsoverview},\rtfsp
48\helpref{wxIndividualLayoutConstraint}{wxindividuallayoutconstraint}, \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}
49
50\latexignore{\rtfignore{\wxheading{Members}}}
51
52\membersection{wxLayoutConstraints::wxLayoutConstraints}
53
54\func{}{wxLayoutConstraints}{\void}
55
56Constructor.
57
58\membersection{wxLayoutConstraints::bottom}
59
60\member{wxIndividualLayoutConstraint}{bottom}
61
62Constraint for the bottom edge.
63
64\membersection{wxLayoutConstraints::centreX}
65
66\member{wxIndividualLayoutConstraint}{centreX}
67
68Constraint for the horizontal centre point.
69
70\membersection{wxLayoutConstraints::centreY}
71
72\member{wxIndividualLayoutConstraint}{centreY}
73
74Constraint for the vertical centre point.
75
76\membersection{wxLayoutConstraints::height}
77
78\member{wxIndividualLayoutConstraint}{height}
79
80Constraint for the height.
81
82\membersection{wxLayoutConstraints::left}
83
84\member{wxIndividualLayoutConstraint}{left}
85
86Constraint for the left-hand edge.
87
88\membersection{wxLayoutConstraints::right}
89
90\member{wxIndividualLayoutConstraint}{right}
91
92Constraint for the right-hand edge.
93
94\membersection{wxLayoutConstraints::top}
95
96\member{wxIndividualLayoutConstraint}{top}
97
98Constraint for the top edge.
99
100\membersection{wxLayoutConstraints::width}
101
102\member{wxIndividualLayoutConstraint}{width}
103
104Constraint for the width.
105
106