954b8ae603
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1698 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
136 lines
5.2 KiB
TeX
136 lines
5.2 KiB
TeX
\section{\class{wxIndividualLayoutConstraint}}\label{wxindividuallayoutconstraint}
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Objects of this class are stored in the wxIndividualLayoutConstraint class
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as one of eight possible constraints that a window can be involved in.
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Constraints are initially set to have the relationship wxUnconstrained,
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which means that their values should be calculated by looking at known constraints.
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\wxheading{Derived from}
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/layout.h>
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\wxheading{See also}
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\helpref{Overview and examples}{constraintsoverview},\rtfsp
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\helpref{wxLayoutConstraints}{wxlayoutconstraints}, \helpref{wxWindow::SetConstraints}{wxwindowsetconstraints}.
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\latexignore{\rtfignore{\wxheading{Members}}}
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\subsection{Edges and relationships}
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The {\it wxEdge}\index{wxEdge} enumerated type specifies the type of edge or dimension of a window.
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxLeft}{The left edge.}
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\twocolitem{wxTop}{The top edge.}
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\twocolitem{wxRight}{The right edge.}
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\twocolitem{wxBottom}{The bottom edge.}
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\twocolitem{wxCentreX}{The x-coordinate of the centre of the window.}
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\twocolitem{wxCentreY}{The y-coordinate of the centre of the window.}
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\end{twocollist}
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The {\it wxRelationship}\index{wxRelationship} enumerated type specifies the relationship that
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this edge or dimension has with another specified edge or dimension. Normally, the user
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doesn't use these directly because functions such as {\it Below} and {\it RightOf} are a convenience
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for using the more general {\it Set} function.
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\begin{twocollist}\itemsep=0pt
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\twocolitem{wxUnconstrained}{The edge or dimension is unconstrained (the default for edges.}
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\twocolitem{wxAsIs}{The edge or dimension is to be taken from the current window position or size (the
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default for dimensions.}
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\twocolitem{wxAbove}{The edge should be above another edge.}
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\twocolitem{wxBelow}{The edge should be below another edge.}
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\twocolitem{wxLeftOf}{The edge should be to the left of another edge.}
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\twocolitem{wxRightOf}{The edge should be to the right of another edge.}
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\twocolitem{wxSameAs}{The edge or dimension should be the same as another edge or dimension.}
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\twocolitem{wxPercentOf}{The edge or dimension should be a percentage of another edge or dimension.}
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\twocolitem{wxAbsolute}{The edge or dimension should be a given absolute value.}
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\end{twocollist}
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\membersection{wxIndividualLayoutConstraint::wxIndividualLayoutConstraint}
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\func{void}{wxIndividualLayoutConstraint}{\void}
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Constructor. Not used by the end-user.
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\membersection{wxIndividualLayoutConstraint::Above}
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\func{void}{Above}{\param{wxWindow *}{otherWin}, \param{int}{ margin = 0}}
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Constrains this edge to be above the given window, with an
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optional margin. Implicitly, this is relative to the top edge of the other window.
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\membersection{wxIndividualLayoutConstraint::Absolute}
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\func{void}{Absolute}{\param{int}{ value}}
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Constrains this edge or dimension to be the given absolute value.
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\membersection{wxIndividualLayoutConstraint::AsIs}
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\func{void}{AsIs}{\void}
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Sets this edge or constraint to be whatever the window's value is
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at the moment. If either of the width and height constraints
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are {\it as is}, the window will not be resized, but moved instead.
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This is important when considering panel items which are intended
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to have a default size, such as a button, which may take its size
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from the size of the button label.
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\membersection{wxIndividualLayoutConstraint::Below}
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\func{void}{Below}{\param{wxWindow *}{otherWin}, \param{int}{ margin = 0}}
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Constrains this edge to be below the given window, with an
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optional margin. Implicitly, this is relative to the bottom edge of the other window.
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\membersection{wxIndividualLayoutConstraint::Unconstrained}
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\func{void}{Unconstrained}{\void}
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Sets this edge or dimension to be unconstrained, that is, dependent on
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other edges and dimensions from which this value can be deduced.
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\membersection{wxIndividualLayoutConstraint::LeftOf}
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\func{void}{LeftOf}{\param{wxWindow *}{otherWin}, \param{int}{ margin = 0}}
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Constrains this edge to be to the left of the given window, with an
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optional margin. Implicitly, this is relative to the left edge of the other window.
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\membersection{wxIndividualLayoutConstraint::PercentOf}
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\func{void}{PercentOf}{\param{wxWindow *}{otherWin}, \param{wxEdge}{ edge}, \param{int}{ margin = 0}}
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Constrains this edge or dimension to be to a percentage of the given window, with an
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optional margin.
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\membersection{wxIndividualLayoutConstraint::RightOf}
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\func{void}{RightOf}{\param{wxWindow *}{otherWin}, \param{int}{ margin = 0}}
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Constrains this edge to be to the right of the given window, with an
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optional margin. Implicitly, this is relative to the right edge of the other window.
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\membersection{wxIndividualLayoutConstraint::SameAs}
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\func{void}{SameAs}{\param{wxWindow *}{otherWin}, \param{wxEdge}{ edge}, \param{int}{ margin = 0}}
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Constrains this edge or dimension to be to the same as the edge of the given window, with an
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optional margin.
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\membersection{wxIndividualLayoutConstraint::Set}
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\func{void}{Set}{\param{wxRelationship}{ rel}, \param{wxWindow *}{otherWin}, \param{wxEdge}{ otherEdge},
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\param{int}{ value = 0}, \param{int}{ margin = 0}}
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Sets the properties of the constraint. Normally called by one of the convenience
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functions such as Above, RightOf, SameAs.
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