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

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%% Name:        radiobox.tex
%% Purpose:     wxRadioBox documentation
%% Author:      wxWidgets Team
%% Modified by:
%% Created:
%% RCS-ID:      $Id$
%% Copyright:   (c) wxWidgets Team
%% License:     wxWindows license
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\section{\class{wxRadioBox}}\label{wxradiobox}

A radio box item is used to select one of number of mutually exclusive
choices.  It is displayed as a vertical column or horizontal row of
labelled buttons.

\wxheading{Derived from}

\helpref{wxControlWithItems}{wxcontrolwithitems}\\
\helpref{wxControl}{wxcontrol}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/radiobox.h>

\wxheading{Library}

\helpref{wxCore}{librarieslist}

\wxheading{Window styles}

\twocolwidtha{5cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{\windowstyle{wxRA\_SPECIFY\_ROWS}}{The major dimension parameter refers to the
maximum number of rows.}
\twocolitem{\windowstyle{wxRA\_SPECIFY\_COLS}}{The major dimension parameter refers to the
maximum number of columns.}
\twocolitem{\windowstyle{wxRA\_USE\_CHECKBOX}}{Use of the checkbox controls instead of radio
buttons (currently supported only on PalmOS)}
\end{twocollist}

See also \helpref{window styles overview}{windowstyles}.

\wxheading{Event handling}

\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_RADIOBOX(id, func)}}{Process a wxEVT\_COMMAND\_RADIOBOX\_SELECTED event,
when a radiobutton is clicked.}
\end{twocollist}

\wxheading{See also}

\helpref{Event handling overview}{eventhandlingoverview}, \helpref{wxRadioButton}{wxradiobutton},\rtfsp
\helpref{wxCheckBox}{wxcheckbox}

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


\membersection{wxRadioBox::wxRadioBox}\label{wxradioboxctor}

\func{}{wxRadioBox}{\void}

Default constructor.

\func{}{wxRadioBox}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{label},\rtfsp
\param{const wxPoint\& }{point = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
\param{int}{ n = 0}, \param{const wxString}{ choices[] = NULL},\rtfsp
\param{int}{ majorDimension = 0}, \param{long}{ style = wxRA\_SPECIFY\_COLS},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},\rtfsp
\param{const wxString\& }{name = ``radioBox"}}

\func{}{wxRadioBox}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{label},\rtfsp
\param{const wxPoint\& }{point}, \param{const wxSize\& }{size},\rtfsp
\param{const wxArrayString\&}{ choices},\rtfsp
\param{int}{ majorDimension = 0}, \param{long}{ style = wxRA\_SPECIFY\_COLS},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},\rtfsp
\param{const wxString\& }{name = ``radioBox"}}

Constructor, creating and showing a radiobox.

\wxheading{Parameters}

\docparam{parent}{Parent window. Must not be NULL.}

\docparam{id}{Window identifier. A value of -1 indicates a default value.}

\docparam{label}{Label for the static box surrounding the radio buttons.}

\docparam{pos}{Window position. If the position (-1, -1) is specified then a default position is chosen.}

\docparam{size}{Window size. If the default size (-1, -1) is specified then a default size is chosen.}

\docparam{n}{Number of choices with which to initialize the radiobox.}

\docparam{choices}{An array of choices with which to initialize the radiobox.}

\docparam{majorDimension}{Specifies the maximum number of rows (if style contains wxRA\_SPECIFY\_ROWS) or columns (if style contains wxRA\_SPECIFY\_COLS) for a two-dimensional
radiobox.}

\docparam{style}{Window style. See \helpref{wxRadioBox}{wxradiobox}.}

\docparam{validator}{Window validator.}

\docparam{name}{Window name.}

\wxheading{See also}

\helpref{wxRadioBox::Create}{wxradioboxcreate}, \helpref{wxValidator}{wxvalidator}

\pythonnote{The wxRadioBox constructor in wxPython reduces the {\tt n}
and {\tt choices} arguments are to a single argument, which is
a list of strings.}

\perlnote{In wxPerl there is just an array reference in place of {\tt n}
and {\tt choices}.}


\membersection{wxRadioBox::\destruct{wxRadioBox}}\label{wxradioboxdtor}

\func{}{\destruct{wxRadioBox}}{\void}

Destructor, destroying the radiobox item.


\membersection{wxRadioBox::Create}\label{wxradioboxcreate}

\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{label},\rtfsp
\param{const wxPoint\& }{point = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
\param{int}{ n = 0}, \param{const wxString}{ choices[] = NULL},\rtfsp
\param{int}{ majorDimension = 0}, \param{long}{ style = wxRA\_SPECIFY\_COLS},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},\rtfsp
\param{const wxString\& }{name = ``radioBox"}}

\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id}, \param{const wxString\& }{label},\rtfsp
\param{const wxPoint\& }{point}, \param{const wxSize\& }{size},\rtfsp
\param{const wxArrayString\&}{ choices},\rtfsp
\param{int}{ majorDimension = 0}, \param{long}{ style = wxRA\_SPECIFY\_COLS},\rtfsp
\param{const wxValidator\& }{validator = wxDefaultValidator},\rtfsp
\param{const wxString\& }{name = ``radioBox"}}

Creates the radiobox for two-step construction. See \helpref{wxRadioBox::wxRadioBox}{wxradioboxctor}\rtfsp
for further details.


\membersection{wxRadioBox::Enable}\label{wxradioboxenable}

\func{virtual bool}{Enable}{\param{bool}{ enable = {\tt true}}}

Enables or disables the entire radiobox.

\func{virtual bool}{Enable}{\param{unsigned int}{ n}, \param{bool}{ enable = {\tt true}}}

Enables or disables an individual button in the radiobox.

\wxheading{Parameters}

\docparam{enable}{true to enable, false to disable.}

\docparam{n}{The zero-based button to enable or disable.}

\pythonnote{In place of a single overloaded method name, wxPython
implements the following methods:\par
\indented{2cm}{\begin{twocollist}
\twocolitem{{\bf Enable(flag)}}{Enables or disables the entire radiobox.}
\twocolitem{{\bf EnableItem(n, flag)}}{Enables or disables an
individual button in the radiobox.}
\end{twocollist}}
}

\wxheading{See also}

\helpref{wxWindow::Enable}{wxwindowenable}



\membersection{wxRadioBox::FindString}\label{wxradioboxfindstring}

\constfunc{int}{FindString}{\param{const wxString\& }{string}}

Finds a button matching the given string, returning the position if found, or
-1 if not found.

\wxheading{Parameters}

\docparam{string}{The string to find.}


\membersection{wxRadioBox::GetColumnCount}\label{wxradioboxgetcolumncount}

\constfunc{unsigned int}{GetColumnCount}{\void}

Returns the number of columns in the radiobox.


\membersection{wxRadioBox::GetItemHelpText}\label{wxradioboxgetitemhelptext}

\constfunc{wxString}{GetItemHelpText}{\param{unsigned int}{ item}}

Returns the helptext associated with the specified \arg{item} if any or {\tt wxEmptyString}.

\wxheading{Parameters}

\docparam{item}{The zero-based item index.}

\wxheading{See also}

\helpref{SetItemHelpText}{wxradioboxsetitemhelptext}


\membersection{wxRadioBox::GetItemToolTip}\label{wxradioboxgetitemtooltip}

\constfunc{wxToolTip *}{GetItemToolTip}{\param{unsigned int}{ item}}

Returns the tooltip associated with the specified \arg{item} if any or \NULL.

\wxheading{See also}

\helpref{SetItemToolTip}{wxradioboxsetitemtooltip},\\
\helpref{wxWindow::GetToolTip}{wxwindowgettooltip}


\membersection{wxRadioBox::GetItemFromPoint}\label{wxradioboxgetitemfrompoint}

\constfunc{int}{GetItemFromPoint}{\param{const wxPoint&}{ pt}}

Returns a radio box item under the point, a zero-based item index, or {\tt wxNOT\_FOUND} if no item is under the point.

\docparam{pt}{Point in client coordinates.}


\membersection{wxRadioBox::GetLabel}\label{wxradioboxgetlabel}

\constfunc{wxString}{GetLabel}{\void}

Returns the radiobox label.

\wxheading{Parameters}

\docparam{n}{The zero-based button index.}

\wxheading{See also}

\helpref{wxRadioBox::SetLabel}{wxradioboxsetlabel}

\pythonnote{In place of a single overloaded method name, wxPython
implements the following methods:\par
\indented{2cm}{\begin{twocollist}
\twocolitem{{\bf GetLabel()}}{Returns the radiobox label.}
\twocolitem{{\bf GetItemLabel(n)}}{Returns the label for the given button.}
\end{twocollist}}
}


\membersection{wxRadioBox::GetRowCount}\label{wxradioboxgetrowcount}

\constfunc{unsigned int}{GetRowCount}{\void}

Returns the number of rows in the radiobox.


\membersection{wxRadioBox::GetSelection}\label{wxradioboxgetselection}

\constfunc{int}{GetSelection}{\void}

Returns the zero-based position of the selected button.


\membersection{wxRadioBox::GetStringSelection}\label{wxradioboxgetstringselection}

\constfunc{wxString}{GetStringSelection}{\void}

Returns the selected string.


\membersection{wxRadioBox::GetString}\label{wxradioboxgetstring}

\constfunc{wxString}{GetString}{\param{unsigned int}{ n}}

Returns the label for the button at the given position.

\wxheading{Parameters}

\docparam{n}{The zero-based button position.}


\membersection{wxRadioBox::IsItemEnabled}\label{wxradioboxisitemenabled}

\constfunc{bool}{IsItemEnabled}{\param{unsigned int}{ n}}

Returns \true if the item is enabled or \false if it was disabled using
\helpref{Enable(n, false)}{wxradioboxenable}.

{\bf Platform note:} Currently only implemented in wxMSW, wxGTK and wxUniversal
and always returns \true in the other ports.

\wxheading{Parameters}

\docparam{n}{The zero-based button position.}


\membersection{wxRadioBox::IsItemShown}\label{wxradioboxisitemshown}

\constfunc{bool}{IsItemShown}{\param{unsigned int}{ n}}

Returns \true if the item is currently shown or \false if it was hidden using
\helpref{Show(n, false)}{wxradioboxshow}.

Note that this function returns \true for an item which hadn't been hidden even
if the entire radiobox is not currently shown.

{\bf Platform note:} Currently only implemented in wxMSW, wxGTK and wxUniversal
and always returns \true in the other ports.

\wxheading{Parameters}

\docparam{n}{The zero-based button position.}


\membersection{wxRadioBox::SetItemHelpText}\label{wxradioboxsetitemhelptext}

\func{void}{SetItemHelpText}{\param{unsigned int}{ item}, \param{const wxString\&}{ helptext}}

Sets the helptext for an item. Empty string erases any existing helptext.

\wxheading{Parameters}

\docparam{item}{The zero-based item index.}

\docparam{helptext}{The help text to set for the item.}

\wxheading{See also}

\helpref{GetItemHelpText}{wxradioboxgetitemhelptext}


\membersection{wxRadioBox::SetLabel}\label{wxradioboxsetlabel}

\func{void}{SetLabel}{\param{const wxString\&}{ label}}

Sets the radiobox label.


\wxheading{Parameters}

\docparam{label}{The label to set.}

\docparam{n}{The zero-based button index.}

\pythonnote{In place of a single overloaded method name, wxPython
implements the following methods:\par
\indented{2cm}{\begin{twocollist}
\twocolitem{{\bf SetLabel(string)}}{Sets the radiobox label.}
\twocolitem{{\bf SetItemLabel(n, string)}}{Sets a label for a radio button.}
\end{twocollist}}
}


\membersection{wxRadioBox::SetSelection}\label{wxradioboxsetselection}

\func{void}{SetSelection}{\param{int}{ n}}

Sets a button by passing the desired string position. This does not cause
a wxEVT\_COMMAND\_RADIOBOX\_SELECTED event to get emitted.

\wxheading{Parameters}

\docparam{n}{The zero-based button position.}


\membersection{wxRadioBox::SetStringSelection}\label{wxradioboxsetstringselection}

\func{void}{SetStringSelection}{\param{const wxString\& }{string}}

Sets the selection to a button by passing the desired string. This does not cause
a wxEVT\_COMMAND\_RADIOBOX\_SELECTED event to get emitted.

\wxheading{Parameters}

\docparam{string}{The label of the button to select.}


\membersection{wxRadioBox::SetItemToolTip}\label{wxradioboxsetitemtooltip}

\func{void}{SetItemToolTip}{\param{unsigned int}{ item}, \param{const wxString\& }{text}}

Sets the tooltip text for the specified item in the radio group.

{\bf Platform note:} Currently only implemented in wxMSW and wxGTK2 and does
nothing in the other ports.

\wxheading{Parameters}

\docparam{item}{Index of the item the tooltip will be shown for.}

\docparam{text}{Tooltip text for the item, the tooltip is removed if empty.}

\wxheading{See also}

\helpref{GetItemToolTip}{wxradioboxgetitemtooltip},\\
\helpref{wxWindow::SetToolTip}{wxwindowsettooltip}


\membersection{wxRadioBox::Show}\label{wxradioboxshow}

\func{virtual bool}{Show}{\param{const bool}{ show = {\tt true}}}

Shows or hides the entire radiobox.

\func{virtual bool}{Show}{\param{unsigned int}{ item}, \param{const bool}{ show = {\tt true}}}

Shows or hides individual buttons.

\wxheading{Parameters}

\docparam{show}{true to show, false to hide.}

\docparam{item}{The zero-based position of the button to show or hide.}

\wxheading{Return value}

{\tt true} if the box or item has been shown or hidden or {\tt false} if nothing was
done because it already was in the requested state.

\wxheading{See also}

\helpref{wxWindow::Show}{wxwindowshow}

\pythonnote{In place of a single overloaded method name, wxPython
implements the following methods:\par
\indented{2cm}{\begin{twocollist}
\twocolitem{{\bf Show(flag)}}{Shows or hides the entire radiobox.}
\twocolitem{{\bf ShowItem(n, flag)}}{Shows or hides individual buttons.}
\end{twocollist}}
}