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

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Name:        dirpicker.tex
%% Purpose:     wxDirPickerCtrl documentation
%% Author:      Francesco Montorsi
%% Created:     2006-05-12
%% RCS-ID:      $Id$
%% Copyright:   (c) 2006 Francesco Montorsi
%% License:     wxWindows license
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\section{\class{wxDirPickerCtrl}}\label{wxdirpickerctrl}

This control allows the user to select a directory. The generic implementation is
a button which brings up a \helpref{wxDirDialog}{wxdirdialog} when clicked. Native implementation
may differ but this is usually a (small) widget which give access to the dir-chooser
dialog.
It is only available if \texttt{wxUSE\_DIRPICKERCTRL} is set to $1$ (the default).

\wxheading{Derived from}

\helpref{wxPickerBase}{wxpickerbase}\\
\helpref{wxControl}{wxcontrol}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/filepicker.h>

\wxheading{Window styles}

\twocolwidtha{5cm}%
\begin{twocollist}\itemsep=0pt
\twocolitem{\windowstyle{wxDIRP\_DEFAULT\_STYLE}}{The default style: includes
wxDIRP\_DIR\_MUST\_EXIST and, under wxMSW only, wxDIRP\_USE\_TEXTCTRL.}
\twocolitem{\windowstyle{wxDIRP\_USE\_TEXTCTRL}}{Creates a text control to the left of the
picker button which is completely managed by the \helpref{wxDirPickerCtrl}{wxdirpickerctrl}
and which can be used by the user to specify a path (see \helpref{SetPath}{wxdirpickerctrlsetpath}).
The text control is automatically synchronized with button's value. Use functions defined in \helpref{wxPickerBase}{wxpickerbase} to modify the text control.}

\twocolitem{\windowstyle{wxDIRP\_DIR\_MUST\_EXIST}}{Creates a picker which allows to select only existing directories. wxGTK control always adds this flag internally as it does not support its absence.}
\twocolitem{\windowstyle{wxDIRP\_CHANGE\_DIR}}{Change current working directory on each user directory selection change.}

\end{twocollist}

\wxheading{Event handling}

\twocolwidtha{7cm}%
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_DIRPICKER\_CHANGED(id, func)}}{The user changed the
directory selected in the control either using the button or using text control
(see wxDIRP\_USE\_TEXTCTRL; note that in this case the event is fired only if
the user's input is valid, e.g. an existing directory path).}
\end{twocollist}

\wxheading{See also}

\helpref{wxDirDialog}{wxdirdialog},\\
\helpref{wxFileDirPickerEvent}{wxfiledirpickerevent}


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

\membersection{wxDirPickerCtrl::wxDirPickerCtrl}\label{wxdirpickerctrl}

\func{}{wxDirPickerCtrl}{\param{wxWindow *}{parent},\rtfsp
\param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{path = wxEmptyString},\rtfsp
\param{const wxString\& }{message = ``Select a folder"},\rtfsp
\param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
\param{const wxSize\& }{size = wxDefaultSize},\rtfsp
\param{long}{ style = wxDIRP\_DEFAULT\_STYLE},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},
\param{const wxString\& }{name = ``dirpickerctrl"}}

Initializes the object and calls \helpref{Create}{wxdirpickerctrlcreate} with
all the parameters.


\membersection{wxDirPickerCtrl::Create}\label{wxdirpickerctrlcreate}

\func{bool}{Create}{\param{wxWindow *}{parent},\rtfsp
\param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{path = wxEmptyString},\rtfsp
\param{const wxString\& }{message = ``Select a folder"},\rtfsp
\param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
\param{const wxSize\& }{size = wxDefaultSize},\rtfsp
\param{long}{ style = wxDIRP\_DEFAULT\_STYLE},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},
\param{const wxString\& }{name = ``dirpickerctrl"}}

\wxheading{Parameters}

\docparam{parent}{Parent window, must not be non-\texttt{NULL}.}

\docparam{id}{The identifier for the control.}

\docparam{path}{The initial directory shown in the control. Must be a valid path to a directory or the empty string.}

\docparam{message}{The message shown to the user in the \helpref{wxDirDialog}{wxdirdialog} shown by the control.}

\docparam{pos}{Initial position.}

\docparam{size}{Initial size.}

\docparam{style}{The window style, see {\tt wxDIRP\_*} flags.}

\docparam{validator}{Validator which can be used for additional date checks.}

\docparam{name}{Control name.}

\wxheading{Return value}

\true if the control was successfully created or \false if creation failed.


\membersection{wxDirPickerCtrl::GetPath}\label{wxdirpickerctrlgetpath}

\constfunc{wxString}{GetPath}{\void}

Returns the currently selected directory.


\membersection{wxDirPickerCtrl::SetPath}\label{wxdirpickerctrlsetpath}

\func{void}{SetPath}{\param{const wxString \&}{dirname}}

Sets the currently selected directory. his must be a valid directory if
{\tt wxDIRP\_DIR\_MUST\_EXIST} style was given.