cannot use wxSizer directly; instead, you will have to use one of the sizer
classes derived from it. Currently there are \helpref{wxBoxSizer}{wxboxsizer},
\helpref{wxStaticBoxSizer}{wxstaticboxsizer},
-\helpref{wxNotebookSizer}{wxnotebooksizer}, \helpref{wxGridSizer}{wxgridsizer}
-and \helpref{wxFlexGridSizer}{wxflexgridsizer}.
+\helpref{wxGridSizer}{wxgridsizer}
+\helpref{wxFlexGridSizer}{wxflexgridsizer} and \helpref{wxGridBagSizer}{wxgridbagsizer}.
-The layout algorithm used by sizers in wxWindows is closely related to layout
+The layout algorithm used by sizers in wxWidgets is closely related to layout
in other GUI toolkits, such as Java's AWT, the GTK toolkit or the Qt toolkit. It is
based upon the idea of the individual subwindows reporting their minimal required
size and their ability to get stretched if the size of the parent window has changed.
-This will most often mean, that the programmer does not set the original size of
-a dialog in the beginning, rather the dialog will assigned a sizer and this sizer
+This will most often mean that the programmer does not set the original size of
+a dialog in the beginning, rather the dialog will be assigned a sizer and this sizer
will be queried about the recommended size. The sizer in turn will query its
children, which can be normal windows, empty space or other sizers, so that
a hierarchy of sizers can be constructed. Note that wxSizer does not derive from wxWindow
-and thus do not interfere with tab ordering and requires very little resources compared
+and thus does not interfere with tab ordering and requires very little resources compared
to a real window on screen.
-What makes sizers so well fitted for use in wxWindows is the fact that every control
+What makes sizers so well fitted for use in wxWidgets is the fact that every control
reports its own minimal size and the algorithm can handle differences in font sizes
or different window (dialog item) sizes on different platforms without problems. If e.g.
the standard font as well as the overall design of Motif widgets requires more space than
\wxheading{Derived from}
-\helpref{wxObject}{wxobject}
+\helpref{wxObject}{wxobject}\\
+\helpref{wxClientDataContainer}{wxclientdatacontainer}
+
+\wxheading{Include files}
+
+<wx/sizer.h>
\wxheading{See also}
\latexignore{\rtfignore{\wxheading{Members}}}
+
\membersection{wxSizer::wxSizer}\label{wxsizerwxsizer}
\func{}{wxSizer}{\void}
The constructor. Note that wxSizer is an abstract base class and may not
be instantiated.
+
\membersection{wxSizer::\destruct{wxSizer}}\label{wxsizerdtor}
\func{}{\destruct{wxSizer}}{\void}
The destructor.
+
\membersection{wxSizer::Add}\label{wxsizeradd}
-\func{void}{Add}{\param{wxWindow* }{window}, \param{int }{proportion = 0},\param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Add}{\param{wxWindow* }{window}, \param{const wxSizerFlags\& }{flags}}
+
+\func{wxSizerItem*}{Add}{\param{wxWindow* }{window}, \param{int }{proportion = 0},\param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
-\func{void}{Add}{\param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Add}{\param{wxSizer* }{sizer}, \param{const wxSizerFlags\& }{flags}}
-\func{void}{Add}{\param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Add}{\param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+
+\func{wxSizerItem*}{Add}{\param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
Appends a child to the sizer. wxSizer itself is an abstract class, but the parameters are
equivalent in the derived classes that you will instantiate to use it so they are described
of which are supposed to change their size with the sizer. Then the two stretchable windows would get a
value of 1 each to make them grow and shrink equally with the sizer's horizontal dimension.}
-\docparam{flag}{This parameter can be used to set a number of flags which can
-be combined using the binary OR operator |. Two main behaviours are defined
-using these flags. One is the border around a window: the {\it border}
-parameter determines the border width whereas the flags given here determine
-where the border may be (wxTOP, wxBOTTOM, wxLEFT, wxRIGHT or wxALL). The other
-flags determine the child window's behaviour if the size of the sizer changes.
-However this is not - in contrast to the {\it proportion} flag - in the main
-orientation, but in the respectively other orientation. So if you created a
-wxBoxSizer with the wxVERTICAL option, these flags will be relevant if the
-sizer changes its horizontal size. A child may get resized to completely fill
-out the new size (using either wxGROW or wxEXPAND), it may get proportionally
-resized (wxSHAPED), it may get centered (wxALIGN\_CENTER or wxALIGN\_CENTRE)
-or it may get aligned to either side (wxALIGN\_LEFT and wxALIGN\_TOP are set
-to 0 and thus represent the default, wxALIGN\_RIGHT and wxALIGN\_BOTTOM have
-their obvious meaning). With proportional resize, a child may also be centered
-in the main orientation using wxALIGN\_CENTER\_VERTICAL (same as
-wxALIGN\_CENTRE\_VERTICAL) and wxALIGN\_CENTER\_HORIZONTAL (same as
-wxALIGN\_CENTRE\_HORIZONTAL) flags. Finally, you can also specify
-wxADJUST\_MINSIZE flag to make the minimal size of the control dynamically adjust
-to the value returned by its \helpref{GetAdjustedBestSize()}{wxwindowgetadjustedbestsize}
-method - this allows, for example, for correct relayouting of a static text
-control even if its text is changed during run-time.}
-
-\docparam{border}{Determines the border width, if the {\it flag} parameter is set to any border.}
+\docparam{flag}{This parameter can be used to set a number of flags
+which can be combined using the binary OR operator |. Two main
+behaviours are defined using these flags. One is the border around a
+window: the {\it border} parameter determines the border width whereas
+the flags given here determine which side(s) of the item that the
+border will be added. The other flags determine how the sizer item
+behaves when the space allotted to the sizer changes, and is somewhat
+dependent on the specific kind of sizer used.
+
+\twocolwidtha{5cm}%
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\windowstyle{wxTOP}\\
+\windowstyle{wxBOTTOM}\\
+\windowstyle{wxLEFT}\\
+\windowstyle{wxRIGHT}\\
+\windowstyle{wxALL}}{These flags are used to specify which side(s) of
+ the sizer item the {\it border} width will apply to. }
+
+\twocolitem{\windowstyle{wxEXPAND}}{The item will be expanded to fill
+the space assigned to the item.}
+\twocolitem{\windowstyle{wxSHAPED}}{The item will be expanded as much
+as possible while also maintaining its aspect ratio}
+\twocolitem{\windowstyle{wxFIXED\_MINSIZE}}{Normally wxSizers will use
+\helpref{GetAdjustedBestSize}{wxwindowgetadjustedbestsize} to
+determine what the minimal size of window items should be, and will
+use that size to calculate the layout. This allows layouts to
+adjust when an item changes and its {\it best size} becomes
+different. If you would rather have a window item stay the size it
+started with then use wxFIXED\_MINSIZE.}
+\twocolitem{\windowstyle{wxALIGN\_CENTER}\\
+\windowstyle{wxALIGN\_LEFT}\\
+\windowstyle{wxALIGN\_RIGHT}\\
+\windowstyle{wxALIGN\_TOP}\\
+\windowstyle{wxALIGN\_BOTTOM}\\
+\windowstyle{wxALIGN\_CENTER\_VERTICAL}\\
+\windowstyle{wxALIGN\_CENTER\_HORIZONTAL}}{The wxALIGN flags allow you to
+specify the alignment of the item within the space allotted to it by
+the sizer, adjusted for the border if any.}
+\end{twocollist}
+}
+
+\docparam{border}{Determines the border width, if the {\it flag}
+ parameter is set to include any border flag.}
\docparam{userData}{Allows an extra object to be attached to the sizer
item, for use in derived classes when sizing information is more
complex than the {\it proportion} and {\it flag} will allow for.}
+\docparam{flags}{A \helpref{wxSizerFlags}{wxsizerflags} object that
+enables you to specify most of the above parameters more conveniently.}
+
+\membersection{wxSizer::AddSpacer}\label{wxsizeraddspacer}
+
+\func{wxSizerItem*}{AddSpacer}{\param{int }{size}}
+
+Adds non-stretchable space to the sizer. More readable way of calling
+\helpref{Add}{wxsizeradd}(size, size, 0).
+
+
+\membersection{wxSizer::AddStretchSpacer}\label{wxsizeraddstretchspacer}
+
+\func{wxSizerItem*}{AddStretchSpacer}{\param{int }{prop = 1}}
+
+Adds stretchable space to the sizer. More readable way of calling
+\helpref{Add}{wxsizeradd}(0, 0, prop).
+
+
\membersection{wxSizer::CalcMin}\label{wxsizercalcmin}
\func{wxSize}{CalcMin}{\void}
This method is abstract and has to be overwritten by any derived class.
Here, the sizer will do the actual calculation of its children minimal sizes.
+
\membersection{wxSizer::Detach}\label{wxsizerdetach}
\func{bool}{Detach}{\param{wxWindow* }{window}}
cause any layout or resizing to take place, call \helpref{wxSizer::Layout}{wxsizerlayout}
to update the layout "on screen" after detaching a child from the sizer.
-Returns TRUE if the child item was found and detached, FALSE otherwise.
+Returns true if the child item was found and detached, false otherwise.
\wxheading{See also}
\helpref{wxSizer::Remove}{wxsizerremove}
+
\membersection{wxSizer::Fit}\label{wxsizerfit}
\func{wxSize}{Fit}{\param{wxWindow* }{window}}
is commonly done in the constructor of the window itself, see sample in the description
of \helpref{wxBoxSizer}{wxboxsizer}. Returns the new size.
+For a top level window this is the total window size, not client size.
+
+
\membersection{wxSizer::FitInside}\label{wxsizerfitinside}
\func{void}{FitInside}{\param{wxWindow* }{window}}
\helpref{wxScrolledWindow::SetScrollbars}{wxscrolledwindowsetscrollbars},\rtfsp
\helpref{wxSizer::SetVirtualSizeHints}{wxsizersetvirtualsizehints}
+
+\membersection{wxSizer::GetItem}\label{wxsizergetitem}
+
+\func{wxSizerItem *}{GetItem}{\param{wxWindow* }{window}, \param{bool }{recursive = false}}
+
+\func{wxSizerItem *}{GetItem}{\param{wxSizer* }{sizer}, \param{bool }{recursive = false}}
+
+\func{wxSizerItem *}{GetItem}{\param{size\_t }{index}}
+
+Finds item of the sizer which holds given {\it window}, {\it sizer} or is located
+in sizer at position {\it index}.
+Use parameter {\it recursive} to search in subsizers too.
+
+Returns pointer to item or NULL.
+
+
\membersection{wxSizer::GetSize}\label{wxsizergetsize}
\func{wxSize}{GetSize}{\void}
Returns the current size of the sizer.
+
\membersection{wxSizer::GetPosition}\label{wxsizergetposition}
\func{wxPoint}{GetPosition}{\void}
Returns the current position of the sizer.
+
\membersection{wxSizer::GetMinSize}\label{wxsizergetminsize}
\func{wxSize}{GetMinSize}{\void}
size of all the children and their borders or the minimal size set by
\helpref{SetMinSize}{wxsizersetminsize}, depending on which is bigger.
+
\membersection{wxSizer::Insert}\label{wxsizerinsert}
-\func{void}{Insert}{\param{size\_t }{index}, \param{wxWindow* }{window}, \param{int }{proportion = 0},\param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Insert}{\param{size\_t }{index}, \param{wxWindow* }{window}, \param{const wxSizerFlags\& }{flags}}
+
+\func{wxSizerItem*}{Insert}{\param{size\_t }{index}, \param{wxWindow* }{window}, \param{int }{proportion = 0},\param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
-\func{void}{Insert}{\param{size\_t }{index}, \param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Insert}{\param{size\_t }{index}, \param{wxSizer* }{sizer}, \param{const wxSizerFlags\& }{flags}}
-\func{void}{Insert}{\param{size\_t }{index}, \param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Insert}{\param{size\_t }{index}, \param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+
+\func{wxSizerItem*}{Insert}{\param{size\_t }{index}, \param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
Insert a child into the sizer before any existing item at {\it index}.
See \helpref{wxSizer::Add}{wxsizeradd} for the meaning of the other parameters.
+
+\membersection{wxSizer::InsertSpacer}\label{wxsizerinsertspacer}
+
+\func{wxSizerItem*}{InsertSpacer}{\param{size\_t }{index}, \param{int }{size}}
+
+Inserts non-stretchable space to the sizer. More readable way of calling
+\helpref{Insert}{wxsizerinsert}(size, size, 0).
+
+
+\membersection{wxSizer::InsertStretchSpacer}\label{wxsizerinsertstretchspacer}
+
+\func{wxSizerItem*}{InsertStretchSpacer}{\param{size\_t }{index}, \param{int }{prop = 1}}
+
+Inserts stretchable space to the sizer. More readable way of calling
+\helpref{Insert}{wxsizerinsert}(0, 0, prop).
+
+
\membersection{wxSizer::Layout}\label{wxsizerlayout}
\func{void}{Layout}{\void}
to or removed a child (window, other sizer or space) from the sizer while keeping
the current dimension.
+
\membersection{wxSizer::Prepend}\label{wxsizerprepend}
-\func{void}{Prepend}{\param{wxWindow* }{window}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Prepend}{\param{wxWindow* }{window}, \param{const wxSizerFlags\& }{flags}}
+
+\func{wxSizerItem*}{Prepend}{\param{wxWindow* }{window}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+
+\func{wxSizerItem*}{Prepend}{\param{wxSizer* }{sizer}, \param{const wxSizerFlags\& }{flags}}
-\func{void}{Prepend}{\param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Prepend}{\param{wxSizer* }{sizer}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border = 0}, \param{wxObject* }{userData = NULL}}
-\func{void}{Prepend}{\param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border= 0}, \param{wxObject* }{userData = NULL}}
+\func{wxSizerItem*}{Prepend}{\param{int }{width}, \param{int }{height}, \param{int }{proportion = 0}, \param{int }{flag = 0}, \param{int }{border= 0}, \param{wxObject* }{userData = NULL}}
Same as \helpref{wxSizer::Add}{wxsizeradd}, but prepends the items to the beginning of the
list of items (windows, subsizers or spaces) owned by this sizer.
+
+\membersection{wxSizer::PrependSpacer}\label{wxsizerprependspacer}
+
+\func{wxSizerItem*}{PrependSpacer}{\param{int }{size}}
+
+Prepends non-stretchable space to the sizer. More readable way of calling
+\helpref{Prepend}{wxsizerprepend}(size, size, 0).
+
+
+\membersection{wxSizer::PrependStretchSpacer}\label{wxsizerprependstretchspacer}
+
+\func{wxSizerItem*}{PrependStretchSpacer}{\param{int }{prop = 1}}
+
+Prepends stretchable space to the sizer. More readable way of calling
+\helpref{Prepend}{wxsizerprepend}(0, 0, prop).
+
+
\membersection{wxSizer::RecalcSizes}\label{wxsizerrecalcsizes}
\func{void}{RecalcSizes}{\void}
Here, the sizer will do the actual calculation of its children's positions
and sizes.
+
\membersection{wxSizer::Remove}\label{wxsizerremove}
\func{bool}{Remove}{\param{wxWindow* }{window}}
\helpref{wxSizer::Detach}{wxsizerdetach} in new code instead. There is currently no wxSizer
method that will both detach and destroy a wxWindow item.
-Returns TRUE if the child item was found and removed, FALSE otherwise.
+Returns true if the child item was found and removed, false otherwise.
+
\membersection{wxSizer::SetDimension}\label{wxsizersetdimension}
by the sizer to resize themselves according to the rules defined by the parameter in the
\helpref{Add}{wxsizeradd} and \helpref{Prepend}{wxsizerprepend} methods.
+
\membersection{wxSizer::SetMinSize}\label{wxsizersetminsize}
\func{void}{SetMinSize}{\param{int }{width}, \param{int }{height}}
as requested by its children or the minimal size set here, depending on which is
bigger.
+
\membersection{wxSizer::SetItemMinSize}\label{wxsizersetitemminsize}
\func{void}{SetItemMinSize}{\param{wxWindow* }{window}, \param{int}{ width}, \param{int}{ height}}
in the sizer's descendants. This function enables an application to set the size of an item
after initial creation.
+
\membersection{wxSizer::SetSizeHints}\label{wxsizersetsizehints}
\func{void}{SetSizeHints}{\param{wxWindow* }{window}}
see sample in the description of \helpref{wxBoxSizer}{wxboxsizer} if the window is resizable
(as are many dialogs under Unix and frames on probably all platforms).
+
\membersection{wxSizer::SetVirtualSizeHints}\label{wxsizersetvirtualsizehints}
\func{void}{SetVirtualSizeHints}{\param{wxWindow* }{window}}
\helpref{wxScrolledWindow::SetScrollbars}{wxscrolledwindowsetscrollbars}
+
\membersection{wxSizer::Show}\label{wxsizershow}
-\func{void}{Show}{\param{wxWindow* }{window}, \param{bool }{show = TRUE}}
+\func{bool}{Show}{\param{wxWindow* }{window}, \param{bool }{show = true}, \param{bool }{recursive = false}}
-\func{void}{Show}{\param{wxSizer* }{sizer}, \param{bool }{show = TRUE}}
+\func{bool}{Show}{\param{wxSizer* }{sizer}, \param{bool }{show = true}, \param{bool }{recursive = false}}
-\func{void}{Show}{\param{size\_t }{index}, \param{bool }{show = TRUE}}
+\func{bool}{Show}{\param{size\_t }{index}, \param{bool }{show = true}}
Shows or hides the {\it window}, {\it sizer}, or item at {\it index}.
To make a sizer item disappear or reappear, use Show() followed by Layout().
+Use parameter {\it recursive} to show or hide elements found in subsizers.
+
+Returns true if the child item was found, false otherwise.
+
+Note that this only works with wxBoxSizer and wxFlexGridSizer, since they
+are the only two sizer classes that can size rows/columns independently.
+
+
+
+
+\section{\class{wxSizerFlags}}\label{wxsizerflags}
+
+PRELIMINARY.
+
+Normally, when you add something to a sizer via \helpref{wxSizer::Add}{wxsizeradd}, you have to specify a lot of flags and parameters. This can be unwieldy.
+
+This is where wxSizerFlags comes in. Instead of a bunch of flags and other stuff, you can use wxSizerFlags, which is a convenient class for doing so.
+
+Note that by specification, all methods of wxSizerFlags return the wxSizerFlags object itself to ease the calling of multiple methods at a time.
+
+
+\membersection{wxSizerFlags::wxSizerFlags}\label{wxsizerflagsctor}
+
+\func{}{wxSizerFlags}{\param{int }{proportion = 0}}
+
+Creates the wxSizer with the proportion specified by \tt{proportion}.
+
+
+\membersection{wxSizerFlags::Align}\label{wxsizerflagsalign}
+
+\func{wxSizerFlags\& }{Align}{\param{int }{align = 0}}
+
+Sets the alignment of this wxSizerFlags to \tt{align}.
+
+Note that if this method is not called, the wxSizerFlags has no specified alignment.
+
+\wxheading{See also}
+
+\helpref{Left}{wxsizerflagsleft},\\
+\helpref{Right}{wxsizerflagsright},\\
+\helpref{Centre}{wxsizerflagscentre}
+
+
+\membersection{wxSizerFlags::Border}\label{wxsizerflagsborder}
+
+\func{wxSizerFlags\& }{Border}{\param{int }{direction}, \param{int }{borderinpixels}}
+
+Sets the wxSizerFlags to have a border of a number of pixels specified by \tt{borderinpixels} with the directions specified by \tt{direction}.
+
+\func{wxSizerFlags\& }{Border}{\param{int }{direction = wxALL}}
+
+Sets the wxSizerFlags to have a border of a default size with the directions specified by \tt{direction}.
+
+
+\membersection{wxSizerFlags::Center}\label{wxsizerflagscenter}
+
+\func{wxSizerFlags\& }{Center}{\void}
+
+Sets the object of the wxSizerFlags to center itself in the area it is given.
+
+
+\membersection{wxSizerFlags::Centre}\label{wxsizerflagscentre}
+
+\func{wxSizerFlags\& }{Centre}{\void}
+
+\helpref{wxSizerFlags::Center}{wxsizerflagscenter} for people with the other dialect of english.
+
+
+\membersection{wxSizerFlags::Expand}\label{wxsizerflagsexpand}
+
+\func{wxSizerFlags\& }{Expand}{\void}
+
+Sets the object of the wxSizerFlags to expand to fill as much area as it can.
+
+
+\membersection{wxSizerFlags::Left}\label{wxsizerflagsleft}
+
+\func{wxSizerFlags\& }{Left}{\void}
+
+Aligns the object to the left, shortcut for \texttt{Align(wxALIGN\_LEFT)}
+
+\wxheading{See also}
+
+\helpref{Align}{wxsizerflagsalign}
+
+
+\membersection{wxSizerFlags::Proportion}\label{wxsizerflagsproportion}
+
+\func{wxSizerFlags\& }{Proportion}{\param{int }{proportion = 0}}
+
+Sets the proportion of this wxSizerFlags to \tt{proportion}
+
+
+\membersection{wxSizerFlags::Right}\label{wxsizerflagsright}
+
+\func{wxSizerFlags\& }{Right}{\void}
+
+Aligns the object to the right, shortcut for \texttt{Align(wxALIGN\_RIGHT)}
+
+\wxheading{See also}
+
+\helpref{Align}{wxsizerflagsalign}
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