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

\section{\class{wxBitmapComboBox}}\label{wxbitmapcombobox}

A combobox that displays bitmap in front of the list items.
It currently only allows using bitmaps of one size, and resizes itself
so that a bitmap can be shown next to the text field.

\wxheading{Derived from}

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

\wxheading{Remarks}

While wxBitmapComboBox contains the \helpref{wxComboBox}{wxcombobox}
API, but it might not actually be derived from that class. In fact,
if the platform does not have a native implementation, wxBitmapComboBox
will inherit from \helpref{wxOwnerDrawnComboBox}{wxownerdrawncombobox}.
You can determine if the implementation is generic by checking whether
wxGENERIC\_BITMAPCOMBOBOX is defined.

\wxheading{Include files}

<wx/bmpcbox.h>

\wxheading{Window styles}

\begin{twocollist}\itemsep=0pt
\twocolitem{\windowstyle{wxCB\_READONLY}}{Creates a combobox without a text
editor. On some platforms the control may appear very different when this
style is used.}
\twocolitem{\windowstyle{wxCB\_SORT}}{Sorts the entries in the list alphabetically.}
\twocolitem{\windowstyle{wxTE\_PROCESS\_ENTER}}{The control will generate
the event wxEVT\_COMMAND\_TEXT\_ENTER (otherwise pressing Enter key
is either processed internally by the control or used for navigation between
dialog controls). Windows only.}
\end{twocollist}

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

\wxheading{Event handling}

\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf EVT\_COMBOBOX(id, func)}}{Process a wxEVT\_COMMAND\_COMBOBOX\_SELECTED event,
when an item on the list is selected.}
\twocolitem{{\bf EVT\_TEXT(id, func)}}{Process a wxEVT\_COMMAND\_TEXT\_UPDATED event,
when the combobox text changes.}
\twocolitem{{\bf EVT\_TEXT\_ENTER(id, func)}}{Process a wxEVT\_COMMAND\_TEXT\_ENTER event,
when <RETURN> is pressed in the combobox.}
\end{twocollist}

\wxheading{See also}

\helpref{wxComboBox}{wxcombobox}, \helpref{wxChoice}{wxchoice}, \helpref{wxOwnerDrawnComboBox}{wxownerdrawncombobox},
\rtfsp\helpref{wxCommandEvent}{wxcommandevent}

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


\membersection{wxBitmapComboBox::wxBitmapComboBox}\label{wxbitmapcomboboxctor}

\func{}{wxBitmapComboBox}{\void}

Default constructor.

\func{}{wxBitmapComboBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{value = ``"}, \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp
\param{int}{ n = 0}, \param{const wxString }{choices[] = NULL},\rtfsp
\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}

\func{}{wxBitmapComboBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{value}, \param{const wxPoint\&}{ pos}, \param{const wxSize\&}{ size},\rtfsp
\param{const wxArrayString\& }{choices},\rtfsp
\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}

Constructor, creating and showing a combobox.

\wxheading{Parameters}

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

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

\docparam{value}{Initial selection string. An empty string indicates no selection.}

\docparam{pos}{Window position.}

\docparam{size}{Window size. If the default size (-1, -1) is specified then the window is sized
appropriately.}

\docparam{n}{Number of strings with which to initialise the control.}

\docparam{choices}{An array of strings with which to initialise the control.}

\docparam{style}{Window style. See \helpref{wxBitmapComboBox}{wxbitmapcombobox}.}

\docparam{validator}{Window validator.}

\docparam{name}{Window name.}

\wxheading{See also}

\helpref{wxBitmapComboBox::Create}{wxbitmapcomboboxcreate}, \helpref{wxValidator}{wxvalidator}


\membersection{wxBitmapComboBox::\destruct{wxBitmapComboBox}}\label{wxbitmapcomboboxdtor}

\func{}{\destruct{wxBitmapComboBox}}{\void}

Destructor, destroying the combobox.


\membersection{wxBitmapComboBox::Create}\label{wxbitmapcomboboxcreate}

\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{value = ``"}, \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp
\param{int}{ n}, \param{const wxString }{choices[]},\rtfsp
\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}

\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
\param{const wxString\& }{value}, \param{const wxPoint\&}{ pos}, \param{const wxSize\&}{ size},\rtfsp
\param{const wxArrayString\& }{choices},\rtfsp
\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}

Creates the combobox for two-step construction. Derived classes
should call or replace this function. See \helpref{wxBitmapComboBox::wxBitmapComboBox}{wxbitmapcomboboxctor}\rtfsp
for further details.


\membersection{wxBitmapComboBox::Append}\label{wxbitmapcomboboxappend}

\func{int}{Append}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap = wxNullBitmap}}

Adds the item to the end of the combo box.

\func{int}{Append}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap}, \param{void *}{clientData}}

\func{int}{Append}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap}, \param{wxClientData *}{clientData}}

Adds the item to the end of the combo box, associating the given, typed or
untyped, client data pointer with the item.


\membersection{wxBitmapComboBox::GetBitmapSize}\label{wxbitmapcomboboxgetbitmapsize}

\constfunc{wxSize}{GetBitmapSize}{\void}

Returns size of bitmaps used in the list.


\membersection{wxBitmapComboBox::GetItemBitmap}\label{wxbitmapcomboboxgetitembitmap}

\constfunc{wxBitmap}{GetItemBitmap}{\param{unsigned int }{n}}

Returns the bitmap of the item with the given index.


\membersection{wxBitmapComboBox::Insert}\label{wxbitmapcomboboxinsert}

\func{int}{Insert}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap}, \param{unsigned int }{pos}}

Inserts the item into the list before pos.
Not valid for {\tt wxCB\_SORT} style, use Append instead.

\func{int}{Insert}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap}, \param{unsigned int }{pos}, \param{void *}{clientData}}

\func{int}{Insert}{\param{const wxString\& }{ item}, \param{const wxBitmap\& }{bitmap}, \param{unsigned int }{pos}, \param{wxClientData *}{clientData}}

Inserts the item into the list before pos, associating the given, typed or
untyped, client data pointer with the item.
Not valid for {\tt wxCB\_SORT} style, use Append instead.


\membersection{wxBitmapComboBox::SetItemBitmap}\label{wxbitmapcomboboxsetitembitmap}

\func{void}{SetItemBitmap}{\param{unsigned int }{n}, \param{const wxBitmap\& }{bitmap}}

Sets the bitmap for the given item.