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[wxWidgets.git] / docs / latex / wx / qylayevt.tex

\section{\class{wxQueryLayoutInfoEvent}}\label{wxquerylayoutinfoevent}

This event is sent when \helpref{wxLayoutAlgorithm}{wxlayoutalgorithm} wishes to get
the size, orientation and alignment of a window. More precisely, the event is sent
by the OnCalculateLayout handler which is itself invoked by wxLayoutAlgorithm.

\wxheading{Derived from}

\helpref{wxEvent}{wxevent}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/laywin.h>

\wxheading{Library}

\helpref{wxAdv}{librarieslist}

\wxheading{Event table macros}

\twocolwidtha{7cm}%
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_QUERY\_LAYOUT\_INFO(func)}}{Process a wxEVT\_QUERY\_LAYOUT\_INFO event,
to get size, orientation and alignment from a window.}
\end{twocollist}

\wxheading{Data structures}

{\small
\begin{verbatim}
enum wxLayoutOrientation {
    wxLAYOUT_HORIZONTAL,
    wxLAYOUT_VERTICAL
};

enum wxLayoutAlignment {
    wxLAYOUT_NONE,
    wxLAYOUT_TOP,
    wxLAYOUT_LEFT,
    wxLAYOUT_RIGHT,
    wxLAYOUT_BOTTOM,
};
\end{verbatim}
}

\wxheading{See also}

\helpref{wxCalculateLayoutEvent}{wxcalculatelayoutevent},\rtfsp
\helpref{wxSashLayoutWindow}{wxsashlayoutwindow},\rtfsp
\helpref{wxLayoutAlgorithm}{wxlayoutalgorithm}.

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxQueryLayoutInfoEvent::wxQueryLayoutInfoEvent}\label{wxquerylayoutinfoeventctor}

\func{}{wxQueryLayoutInfoEvent}{\param{wxWindowID }{id = 0}}

Constructor.

\membersection{wxQueryLayoutInfoEvent::GetAlignment}\label{wxquerylayoutinfoeventgetalignment}

\constfunc{void}{GetAlignment}{\void}

Specifies the alignment of the window (which side of the remaining parent client area
the window sticks to). One of wxLAYOUT\_TOP, wxLAYOUT\_LEFT, wxLAYOUT\_RIGHT, wxLAYOUT\_BOTTOM.

\membersection{wxQueryLayoutInfoEvent::GetFlags}\label{wxquerylayoutinfoeventgetflags}

\constfunc{int}{GetFlags}{\void}

Returns the flags associated with this event. Not currently used.

\membersection{wxQueryLayoutInfoEvent::GetOrientation}\label{wxquerylayoutinfoeventgetorientation}

\constfunc{wxLayoutOrientation}{GetOrientation}{\void}

Returns the orientation that the event handler specified to the event object. May be one of wxLAYOUT\_HORIZONTAL,
wxLAYOUT\_VERTICAL.

\membersection{wxQueryLayoutInfoEvent::GetRequestedLength}\label{wxquerylayoutinfoeventgetrequestedlength}

\constfunc{int}{GetRequestedLength}{\void}

Returns the requested length of the window in the direction of the window orientation. This information
is not yet used.

\membersection{wxQueryLayoutInfoEvent::GetSize}\label{wxquerylayoutinfoeventgetsize}

\constfunc{wxSize}{GetSize}{\void}

Returns the size that the event handler specified to the event object as being the requested size of the window.

\membersection{wxQueryLayoutInfoEvent::SetAlignment}\label{wxquerylayoutinfoeventsetalignment}

\func{void}{SetAlignment}{\param{wxLayoutAlignment }{alignment}}

Call this to specify the alignment of the window (which side of the remaining parent client area
the window sticks to). May be one of wxLAYOUT\_TOP, wxLAYOUT\_LEFT, wxLAYOUT\_RIGHT, wxLAYOUT\_BOTTOM.

\membersection{wxQueryLayoutInfoEvent::SetFlags}\label{wxquerylayoutinfoeventsetflags}

\func{void}{SetFlags}{\param{int }{flags}}

Sets the flags associated with this event. Not currently used.

\membersection{wxQueryLayoutInfoEvent::SetOrientation}\label{wxquerylayoutinfoeventsetorientation}

\func{void}{SetOrientation}{\param{wxLayoutOrientation }{orientation}}

Call this to specify the orientation of the window. May be one of wxLAYOUT\_HORIZONTAL,
wxLAYOUT\_VERTICAL.

\membersection{wxQueryLayoutInfoEvent::SetRequestedLength}\label{wxquerylayoutinfoeventsetrequestedlength}

\func{void}{SetRequestedLength}{\param{int}{ length}}

Sets the requested length of the window in the direction of the window orientation. This information
is not yet used.

\membersection{wxQueryLayoutInfoEvent::SetSize}\label{wxquerylayoutinfoeventsetsize}

\func{void}{SetSize}{\param{const wxSize\& }{size}}

Call this to let the calling code know what the size of the window is.