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

\section{\class{wxSizerItem}}\label{wxsizeritem}

The wxSizerItem class is used to track the position, size and other
attributes of each item managed by a \helpref{wxSizer}{wxsizer}. It is not
usually necessary to use this class because the sizer elements can also be
identified by their positions or window or sizer pointers but sometimes it may
be more convenient to use it directly.


\wxheading{Derived from}

\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/sizer.h>

\wxheading{Library}

\helpref{wxCore}{librarieslist}


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


\membersection{wxSizerItem::wxSizerItem}\label{wxsizeritemwxsizeritem}

\func{}{wxSizerItem}{\param{int }{width}, \param{int }{height}, \param{int }{proportion}, \param{int }{flag}, \param{int }{border}, \param{wxObject* }{userData}}

Construct a sizer item for tracking a spacer.


\func{}{wxSizerItem}{\param{wxWindow* }{window}, \param{const wxSizerFlags\& }{flags}}

\func{}{wxSizerItem}{\param{wxWindow* }{window}, \param{int }{proportion}, \param{int }{flag}, \param{int }{border}, \param{wxObject* }{userData}}

Construct a sizer item for tracking a window.


\func{}{wxSizerItem}{\param{wxSizer* }{window}, \param{const wxSizerFlags\& }{flags}}

\func{}{wxSizerItem}{\param{wxSizer* }{sizer}, \param{int }{proportion}, \param{int }{flag}, \param{int }{border}, \param{wxObject* }{userData}}

Construct a sizer item for tracking a subsizer.



\membersection{wxSizerItem::\destruct{wxSizerItem}}\label{wxsizeritemdtor}

\func{}{\destruct{wxSizerItem}}{\void}

Deletes the user data and subsizer, if any.


\membersection{wxSizerItem::CalcMin}\label{wxsizeritemcalcmin}

\func{wxSize}{CalcMin}{\void}

Calculates the minimum desired size for the item, including any space
needed by borders.


\membersection{wxSizerItem::DeleteWindows}\label{wxsizeritemdeletewindows}

\func{void}{DeleteWindows}{\void}

Destroy the window or the windows in a subsizer, depending on the type
of item.


\membersection{wxSizerItem::DetachSizer}\label{wxsizeritemdetachsizer}

\func{void}{DetachSizer}{\void}

Enable deleting the SizerItem without destroying the contained sizer.


\membersection{wxSizerItem::GetBorder}\label{wxsizeritemgetborder}

\constfunc{int}{GetBorder}{\void}

Return the border attribute.

\membersection{wxSizerItem::GetFlag}\label{wxsizeritemgetflag}

\constfunc{int}{GetFlag}{\void}

Return the flags attribute.

\membersection{wxSizerItem::GetId}\label{wxsizeritemgetid}

\constfunc{int}{GetId}{\void}

Return the numeric id of wxSizerItem, or \texttt{wxID\_NONE} if the id has
not been set.


\membersection{wxSizerItem::GetMinSize}\label{wxsizeritemgetminsize}

\constfunc{wxSize}{GetMinSize}{\void}

Get the minimum size needed for the item.

\membersection{wxSizerItem::GetPosition}\label{wxsizeritemgetposition}

\constfunc{wxPoint}{GetPosition}{\void}

What is the current position of the item, as set in the last Layout.

\membersection{wxSizerItem::GetProportion}\label{wxsizeritemgetproportion}

\constfunc{int}{GetProportion}{\void}

Get the proportion item attribute.

\membersection{wxSizerItem::GetRatio}\label{wxsizeritemgetratio}

\constfunc{float}{GetRatio}{\void}

Get the ration item attribute.

\membersection{wxSizerItem::GetRect}\label{wxsizeritemgetrect}

\func{wxRect}{GetRect}{\void}

Get the rectangle of the item on the parent window, excluding borders.

\membersection{wxSizerItem::GetSize}\label{wxsizeritemgetsize}

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

Get the current size of the item, as set in the last Layout.

\membersection{wxSizerItem::GetSizer}\label{wxsizeritemgetsizer}

\constfunc{wxSizer*}{GetSizer}{\void}

If this item is tracking a sizer, return it.  NULL otherwise.


\membersection{wxSizerItem::GetSpacer}\label{wxsizeritemgetspacer}

\constfunc{const wxSize\&}{GetSpacer}{\void}

If this item is tracking a spacer, return its size.


\membersection{wxSizerItem::GetUserData}\label{wxsizeritemgetuserdata}

\constfunc{wxObject*}{GetUserData}{\void}

Get the userData item attribute.


\membersection{wxSizerItem::GetWindow}\label{wxsizeritemgetwindow}

\constfunc{wxWindow*}{GetWindow}{\void}

If this item is tracking a window then return it.  NULL otherwise.


\membersection{wxSizerItem::IsSizer}\label{wxsizeritemissizer}

\constfunc{bool}{IsSizer}{\void}

Is this item a sizer?


\membersection{wxSizerItem::IsShown}\label{wxsizeritemisshown}

\constfunc{bool}{IsShown}{\void}

Returns \true if this item is a window or a spacer and it is shown or if this
item is a sizer and not all its elements are hidden. In other words, for sizer
items, all of the child elements must be hidden for the sizer itself to be
considered hidden.


\membersection{wxSizerItem::IsSpacer}\label{wxsizeritemisspacer}

\constfunc{bool}{IsSpacer}{\void}

Is this item a spacer?


\membersection{wxSizerItem::IsWindow}\label{wxsizeritemiswindow}

\constfunc{bool}{IsWindow}{\void}

Is this item a window?


\membersection{wxSizerItem::SetBorder}\label{wxsizeritemsetborder}

\func{void}{SetBorder}{\param{int }{border}}

Set the border item attribute.

\membersection{wxSizerItem::SetDimension}\label{wxsizeritemsetdimension}

\func{void}{SetDimension}{\param{const wxPoint\& }{pos}, \param{const wxSize\& }{size}}

Set the position and size of the space allocated to the sizer, and
adjust the position and size of the item to be within that space
taking alignment and borders into account.


\membersection{wxSizerItem::SetFlag}\label{wxsizeritemsetflag}

\func{void}{SetFlag}{\param{int }{flag}}

Set the flag  item attribute.

\membersection{wxSizerItem::SetId}\label{wxsizeritemSetId}

\func{void}{SetId}{\param{int}{id}}

Sets the numeric id of the wxSizerItem to \arg{id}.


\membersection{wxSizerItem::SetInitSize}\label{wxsizeritemsetinitsize}

\func{void}{SetInitSize}{\param{int }{x}, \param{int }{y}}


\membersection{wxSizerItem::SetProportion}\label{wxsizeritemsetproportion}

\func{void}{SetProportion}{\param{int }{proportion}}

Set the proportion item attribute.

\membersection{wxSizerItem::SetRatio}\label{wxsizeritemsetratio}

\func{void}{SetRatio}{\param{int }{width}, \param{int }{height}}

\func{void}{SetRatio}{\param{wxSize }{size}}

\func{void}{SetRatio}{\param{float }{ratio}}

Set the ratio item attribute.


\membersection{wxSizerItem::SetSizer}\label{wxsizeritemsetsizer}

\func{void}{SetSizer}{\param{wxSizer* }{sizer}}

Set the sizer tracked by this item.


\membersection{wxSizerItem::SetSpacer}\label{wxsizeritemsetspacer}

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

Set the size of the spacer tracked by this item.


\membersection{wxSizerItem::SetWindow}\label{wxsizeritemsetwindow}

\func{void}{SetWindow}{\param{wxWindow* }{window}}

Set the window to be tracked by thsi item.


\membersection{wxSizerItem::Show}\label{wxsizeritemshow}

\func{void}{Show}{\param{bool }{show}}

Set the show item attribute, which sizers use to determine if the item
is to be made part of the layout or not.  If the item is tracking a
window then it is shown or hidden as needed.