8e1e6facb7
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2690 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
421 lines
15 KiB
TeX
421 lines
15 KiB
TeX
\section{\class{wxSplitterWindow}}\label{wxsplitterwindow}
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\overview{wxSplitterWindow overview}{wxsplitterwindowoverview}
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This class manages up to two subwindows. The current view can be
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split into two programmatically (perhaps from a menu command), and unsplit
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either programmatically or via the wxSplitterWindow user interface.
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Appropriate 3D shading for the Windows 95 user interface is an option.
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This is also recommended for GTK.
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\wxheading{Window styles}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxSP\_3D}}{Draws a 3D effect border and sash.}
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\twocolitem{\windowstyle{wxSP\_BORDER}}{Draws a thin black border around the window, and a black sash.}
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\twocolitem{\windowstyle{wxSP\_NOBORDER}}{No border, and a black sash.}
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\twocolitem{\windowstyle{wxSP\_PERMIT\_UNSPLIT}}{Always allow to
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unsplit, even with the minimum pane size other than zero.}
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\twocolitem{\windowstyle{wxSP\_LIVE\_UPDATE}}{Don't draw XOR line but resize the child windows immediately.}
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\end{twocollist}
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See also \helpref{window styles overview}{windowstyles}.
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\wxheading{Derived from}
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/splitter.h>
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\wxheading{Event handling}
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To process input from a splitter control, use the following event handler
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macros to direct input to member functions that take a
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\helpref{wxSplitterEvent}{wxsplitterevent} argument.
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\twocolwidtha{10cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{{\bf EVT\_SPLITTER\_SASH\_POS\_CHANGING(id, func)}}{The sash
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position is in the process of being changed. May be used to modify the
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position of the tracking bar to properly reflect the position that
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would be set if the drag were to be completed at this point. Processes
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a wxEVT\_COMMAND\_SPLITTER\_SASH\_POS\_CHANGING event.}
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\twocolitem{{\bf EVT\_SPLITTER\_SASH\_POS\_CHANGED(id, func)}}{The sash
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position was changed. May be used to modify the sash position before
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it is set, or to prevent the change from taking place.
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Processes a wxEVT\_COMMAND\_SPLITTER\_SASH\_POS\_CHANGED event.}
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\twocolitem{{\bf EVT\_SPLITTER\_UNSPLIT(id, func)}}{The splitter has been just
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unsplit. Processes a wxEVT\_COMMAND\_SPLITTER\_UNSPLIT event.}
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\twocolitem{{\bf EVT\_SPLITTER\_DOUBLECLICKED(id, func)}}{The sash was double
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clicked. The default behaviour is to unsplit the window when this happens
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(unless the minimum pane size has been set to a value greater than zero).
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Processes a wxEVT\_COMMAND\_SPLITTER\_DOUBLECLICKED event.}
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\end{twocollist}%
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\wxheading{See also}
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\helpref{wxSplitterEvent}{wxsplitterevent}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxSplitterWindow::wxSplitterWindow}\label{wxsplitterwindowconstr}
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\func{}{wxSplitterWindow}{\void}
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Default constructor.
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\func{}{wxSplitterWindow}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
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\param{const wxPoint\& }{point = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
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\param{long }{style=wxSP\_3D}, \param{const wxString\&}{ name = "splitterWindow"}}
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Constructor for creating the window.
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\wxheading{Parameters}
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\docparam{parent}{The parent of the splitter window.}
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\docparam{id}{The window identifier.}
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\docparam{pos}{The window position.}
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\docparam{size}{The window size.}
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\docparam{style}{The window style. See \helpref{wxSplitterWindow}{wxsplitterwindow}.}
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\docparam{name}{The window name.}
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\wxheading{Remarks}
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After using this constructor, you must create either one or two subwindows
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with the splitter window as parent, and then call one of \helpref{wxSplitterWindow::Initialize}{wxsplitterwindowinitialize},\rtfsp
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\helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically} and \helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally} in
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order to set the pane(s).
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You can create two windows, with one hidden when not being shown; or you can
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create and delete the second pane on demand.
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\wxheading{See also}
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\helpref{wxSplitterWindow::Initialize}{wxsplitterwindowinitialize}, \helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically},\rtfsp
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally},\rtfsp
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\helpref{wxSplitterWindow::Create}{wxsplitterwindowcreate}
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\membersection{wxSplitterWindow::\destruct{wxSplitterWindow}}
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\func{}{\destruct{wxSplitterWindow}}{\void}
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Destroys the wxSplitterWindow and its children.
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\membersection{wxSplitterWindow::Create}\label{wxsplitterwindowcreate}
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\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id}, \param{int }{x},\rtfsp
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\param{const wxPoint\& }{point = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
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\param{long }{style=wxSP\_3D}, \param{const wxString\&}{ name = "splitterWindow"}}
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Creation function, for two-step construction. See \helpref{wxSplitterWindow::wxSplitterWindow}{wxsplitterwindowconstr} for
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details.
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\membersection{wxSplitterWindow::GetMinimumPaneSize}\label{wxsplitterwindowgetminimumpanesize}
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\constfunc{int}{GetMinimumPaneSize}{\void}
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Returns the current minimum pane size (defaults to zero).
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\wxheading{See also}
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\helpref{wxSplitterWindow::SetMinimumPaneSize}{wxsplitterwindowsetminimumpanesize}
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\membersection{wxSplitterWindow::GetSashPosition}\label{wxsplitterwindowgetsashposition}
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\func{int}{GetSashPosition}{\void}
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Returns the current sash position.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SetSashPosition}{wxsplitterwindowsetsashposition}
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\membersection{wxSplitterWindow::GetSplitMode}\label{wxsplitterwindowgetsplitmode}
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\constfunc{int}{GetSplitMode}{\void}
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Gets the split mode.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SetSplitMode}{wxsplitterwindowsetsplitmode}, \helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically},\rtfsp
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}.
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\membersection{wxSplitterWindow::GetWindow1}\label{wxsplitterwindowgetwindow1}
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\constfunc{wxWindow*}{GetWindow1}{\void}
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Returns the left/top or only pane.
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\membersection{wxSplitterWindow::GetWindow2}\label{wxsplitterwindowgetwindow2}
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\constfunc{wxWindow*}{GetWindow2}{\void}
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Returns the right/bottom pane.
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\membersection{wxSplitterWindow::Initialize}\label{wxsplitterwindowinitialize}
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\func{void}{Initialize}{\param{wxWindow* }{window}}
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Initializes the splitter window to have one pane.
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\wxheading{Parameters}
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\docparam{window}{The pane for the unsplit window.}
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\wxheading{Remarks}
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This should be called if you wish to initially view only a single pane in the splitter window.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically},\rtfsp
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}
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\membersection{wxSplitterWindow::IsSplit}\label{wxsplitterwindowissplit}
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\constfunc{bool}{IsSplit}{\void}
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Returns TRUE if the window is split, FALSE otherwise.
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\membersection{wxSplitterWindow::OnDoubleClickSash}\label{wxsplitterwindowondoubleclicksash}
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\func{virtual void}{OnDoubleClickSash}{\param{int }{x}, \param{int }{y}}
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Application-overridable function called when the sash is double-clicked with
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the left mouse button.
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\wxheading{Parameters}
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\docparam{x}{The x position of the mouse cursor.}
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\docparam{y}{The y position of the mouse cursor.}
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\wxheading{Remarks}
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The default implementation of this function calls \helpref{Unsplit}{wxsplitterwindowunsplit} if
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the minimum pane size is zero.
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\wxheading{See also}
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\helpref{wxSplitterWindow::Unsplit}{wxsplitterwindowunsplit}
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\membersection{wxSplitterWindow::OnUnsplit}\label{wxsplitterwindowonunsplit}
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\func{virtual void}{OnUnsplit}{\param{wxWindow* }{removed}}
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Application-overridable function called when the window is unsplit, either
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programmatically or using the wxSplitterWindow user interface.
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\wxheading{Parameters}
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\docparam{removed}{The window being removed.}
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\wxheading{Remarks}
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The default implementation of this function simply hides {\it removed}. You
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may wish to delete the window.
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\membersection{wxSplitterWindow::OnSashPositionChange}\label{wxsplitterwindowonsashpositionchange}
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\func{virtual bool}{OnSashPositionChange}{\param{int }{newSashPosition}}
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Application-overridable function called when the sash position is changed by
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user. It may return FALSE to prevent the change or TRUE to allow it.
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\wxheading{Parameters}
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\docparam{newSashPosition}{The new sash position (always positive or zero)}
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\wxheading{Remarks}
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The default implementation of this function verifies that the sizes of both
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panes of the splitter are greater than minimum pane size.
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\membersection{wxSplitterWindow::ReplaceWindow}\label{wxsplitterwindowreplacewindow}
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\func{bool}{ReplaceWindow}{\param{wxWindow * }{winOld}, \param{wxWindow * }{winNew}}
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This function replaces one of the windows managed by the wxSplitterWindow with
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another one. It is in general better to use it instead of calling Unsplit()
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and then resplitting the window back because it will provoke much less flicker
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(if any). It is valid to call this function whether the splitter has two
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windows or only one.
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Both parameters should be non NULL and {\it winOld} must specify one of the
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windows managed by the splitter. If the parameters are incorrect or the window
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couldn't be replaced, FALSE is returned. Otherwise the function will return
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TRUE, but please notice that it will not delete the replaced window and you
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may wish to do it yourself.
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\wxheading{See also}
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\helpref{wxSplitterWindow::GetMinimumPaneSize}{wxsplitterwindowgetminimumpanesize}
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\wxheading{See also}
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\helpref{wxSplitterWindow::Unsplit}{wxsplitterwindowunsplit}\\
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\helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically}\\
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}
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\membersection{wxSplitterWindow::SetSashPosition}\label{wxsplitterwindowsetsashposition}
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\func{void}{SetSashPosition}{\param{int }{position}, \param{const bool}{ redraw = TRUE}}
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Sets the sash position.
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\wxheading{Parameters}
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\docparam{position}{The sash position in pixels.}
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\docparam{redraw}{If TRUE, resizes the panes and redraws the sash and border.}
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\wxheading{Remarks}
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Does not currently check for an out-of-range value.
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\wxheading{See also}
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\helpref{wxSplitterWindow::GetSashPosition}{wxsplitterwindowgetsashposition}
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\membersection{wxSplitterWindow::SetMinimumPaneSize}\label{wxsplitterwindowsetminimumpanesize}
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\func{void}{SetMinimumPaneSize}{\param{int }{paneSize}}
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Sets the minimum pane size.
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\wxheading{Parameters}
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\docparam{paneSize}{Minimum pane size in pixels.}
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\wxheading{Remarks}
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The default minimum pane size is zero, which means that either pane can be reduced to zero by dragging
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the sash, thus removing one of the panes. To prevent this behaviour (and veto out-of-range sash dragging),
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set a minimum size, for example 20 pixels. If the wxSP\_PERMIT\_UNSPLIT style
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is used when a splitter window is created, the window may be unsplit even
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if minimum size is non-zero.
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\wxheading{See also}
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\helpref{wxSplitterWindow::GetMinimumPaneSize}{wxsplitterwindowgetminimumpanesize}
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\membersection{wxSplitterWindow::SetSplitMode}\label{wxsplitterwindowsetsplitmode}
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\func{void}{SetSplitMode}{\param{int }{mode}}
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Sets the split mode.
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\wxheading{Parameters}
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\docparam{mode}{Can be wxSPLIT\_VERTICAL or wxSPLIT\_HORIZONTAL.}
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\wxheading{Remarks}
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Only sets the internal variable; does not update the display.
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\wxheading{See also}
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\helpref{wxSplitterWindow::GetSplitMode}{wxsplitterwindowgetsplitmode}, \helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically},\rtfsp
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}.
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\membersection{wxSplitterWindow::SplitHorizontally}\label{wxsplitterwindowsplithorizontally}
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\func{bool}{SplitHorizontally}{\param{wxWindow* }{window1}, \param{wxWindow* }{window2},
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\param{int}{ sashPosition = 0}}
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Initializes the top and bottom panes of the splitter window.
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\wxheading{Parameters}
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\docparam{window1}{The top pane.}
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\docparam{window2}{The bottom pane.}
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\docparam{sashPosition}{The initial position of the sash. If this value is
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positive, it specifies the size of the upper pane. If it's negative, it's
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absolute value gives the size of the lower pane. Finally, specify 0 (default)
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to choose the default position (half of the total window height).}
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\wxheading{Return value}
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TRUE if successful, FALSE otherwise (the window was already split).
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\wxheading{Remarks}
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This should be called if you wish to initially view two panes. It can also be
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called at any subsequent time, but the application should check that the
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window is not currently split using \helpref{IsSplit}{wxsplitterwindowissplit}.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically}, \helpref{wxSplitterWindow::IsSplit}{wxsplitterwindowissplit},\rtfsp
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\helpref{wxSplitterWindow::Unsplit}{wxsplitterwindowunsplit}
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\membersection{wxSplitterWindow::SplitVertically}\label{wxsplitterwindowsplitvertically}
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\func{bool}{SplitVertically}{\param{wxWindow* }{window1}, \param{wxWindow* }{window2},
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\param{int}{ sashPosition = 0}}
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Initializes the left and right panes of the splitter window.
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\wxheading{Parameters}
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\docparam{window1}{The left pane.}
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\docparam{window2}{The right pane.}
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\docparam{sashPosition}{The initial position of the sash. If this value is
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positive, it specifies the size of the left pane. If it's negative, it's
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absolute value gives the size of the right pane. Finally, specify 0 (default)
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to choose the default position (half of the total window width).}
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\wxheading{Return value}
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TRUE if successful, FALSE otherwise (the window was already split).
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\wxheading{Remarks}
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This should be called if you wish to initially view two panes. It can also be called at any subsequent time,
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but the application should check that the window is not currently split using \helpref{IsSplit}{wxsplitterwindowissplit}.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}, \helpref{wxSplitterWindow::IsSplit}{wxsplitterwindowissplit},\rtfsp
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\helpref{wxSplitterWindow::Unsplit}{wxsplitterwindowunsplit}.
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\membersection{wxSplitterWindow::Unsplit}\label{wxsplitterwindowunsplit}
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\func{bool}{Unsplit}{\param{wxWindow* }{toRemove = NULL}}
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Unsplits the window.
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\wxheading{Parameters}
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\docparam{toRemove}{The pane to remove, or NULL to remove the right or bottom pane.}
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\wxheading{Return value}
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TRUE if successful, FALSE otherwise (the window was not split).
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\wxheading{Remarks}
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This call will not actually delete the pane being removed; it calls \helpref{OnUnsplit}{wxsplitterwindowonunsplit}\rtfsp
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which can be overridden for the desired behaviour. By default, the pane being removed is hidden.
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\wxheading{See also}
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\helpref{wxSplitterWindow::SplitHorizontally}{wxsplitterwindowsplithorizontally}, \helpref{wxSplitterWindow::SplitVertically}{wxsplitterwindowsplitvertically},\rtfsp
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\helpref{wxSplitterWindow::IsSplit}{wxsplitterwindowissplit}, \helpref{wxSplitterWindow::OnUnsplit}{wxsplitterwindowonunsplit}
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