escape more underscores (we need a pre-commit check for those...)

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

diff --git a/docs/latex/wx/combobox.tex b/docs/latex/wx/combobox.tex
index b503434fd58a73d73fff805759e2722e6af3a637..76f9c1532419fc1221067eb35539962eb02ac7fc 100644 (file)
--- a/docs/latex/wx/combobox.tex
+++ b/docs/latex/wx/combobox.tex
@@ -6,22 +6,35 @@ text field; or a drop-down list without a text field.
 
 A combobox permits a single selection only. Combobox items are numbered from zero.
 
 
 A combobox permits a single selection only. Combobox items are numbered from zero.
 

+If you need a customized combobox, have a look at \helpref{wxComboCtrl}{wxcomboctrl},
+\helpref{wxOwnerDrawnComboBox}{wxownerdrawncombobox}, \helpref{wxComboPopup}{wxcombopopup}
+and the ready-to-use \helpref{wxBitmapComboBox}{wxbitmapcombobox}.
+

 \wxheading{Derived from}
 
 \wxheading{Derived from}
 

-\helpref{wxChoice}{wxchoice}\\
+\helpref{wxControlWithItems}{wxcontrolwithitems}\\

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

+\wxheading{Include files}
+
+<wx/combobox.h>
+

 \wxheading{Window styles}
 
 \begin{twocollist}\itemsep=0pt
 \wxheading{Window styles}
 
 \begin{twocollist}\itemsep=0pt

-\twocolitem{\windowstyle{wxCB\_SIMPLE}}{Creates a combobox with a permanently displayed list.}
+\twocolitem{\windowstyle{wxCB\_SIMPLE}}{Creates a combobox with a permanently displayed list. Windows only. }

 \twocolitem{\windowstyle{wxCB\_DROPDOWN}}{Creates a combobox with a drop-down list.}
 \twocolitem{\windowstyle{wxCB\_DROPDOWN}}{Creates a combobox with a drop-down list.}

-\twocolitem{\windowstyle{wxCB\_READONLY}}{Creates a combo box consisting of a drop-down list and static text item
-displaying the current selection.}
+\twocolitem{\windowstyle{wxCB\_READONLY}}{Same as wxCB\_DROPDOWN but only the
+strings specified as the combobox choices can be selected, it is impossible to
+select (even from a program) a string which is not in the choices list.}

 \twocolitem{\windowstyle{wxCB\_SORT}}{Sorts the entries in the list alphabetically.}
 \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}.
 \end{twocollist}
 
 See also \helpref{window styles overview}{windowstyles}.


@@ -31,9 +44,12 @@ See also \helpref{window styles overview}{windowstyles}.
 \twocolwidtha{7cm}
 \begin{twocollist}\itemsep=0pt
 \twocolitem{{\bf EVT\_COMBOBOX(id, func)}}{Process a wxEVT\_COMMAND\_COMBOBOX\_SELECTED event,
 \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.}
+when an item on the list is selected. Note that calling
+\helpref{GetValue}{wxcomboboxgetvalue} returns the new value of selection.}

 \twocolitem{{\bf EVT\_TEXT(id, func)}}{Process a wxEVT\_COMMAND\_TEXT\_UPDATED event,
 when the combobox text changes.}
 \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}
 \end{twocollist}
 
 \wxheading{See also}


@@ -43,7 +59,8 @@ when the combobox text changes.}
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 

-\membersection{wxComboBox::wxComboBox}\label{wxcomboboxconstr}
+
+\membersection{wxComboBox::wxComboBox}\label{wxcomboboxctor}

 
 \func{}{wxComboBox}{\void}
 
 
 \func{}{wxComboBox}{\void}
 


@@ -51,7 +68,12 @@ Default constructor.
 
 \func{}{wxComboBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp
 \param{const wxString\& }{value = ``"}, \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp
 
 \func{}{wxComboBox}{\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{int}{ n = 0}, \param{const wxString }{choices[] = NULL},\rtfsp
+\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}
+
+\func{}{wxComboBox}{\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.
 \param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}
 
 Constructor, creating and showing a combobox.


@@ -62,6 +84,8 @@ Constructor, creating and showing a combobox.
 
 \docparam{id}{Window identifier. A value of -1 indicates a default value.}
 
 
 \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
 \docparam{pos}{Window position.}
 
 \docparam{size}{Window size. If the default size (-1, -1) is specified then the window is sized


@@ -81,34 +105,20 @@ appropriately.}
 
 \helpref{wxComboBox::Create}{wxcomboboxcreate}, \helpref{wxValidator}{wxvalidator}
 
 
 \helpref{wxComboBox::Create}{wxcomboboxcreate}, \helpref{wxValidator}{wxvalidator}
 

-\membersection{wxComboBox::\destruct{wxComboBox}}
+\pythonnote{The wxComboBox constructor in wxPython reduces the {\tt n}
+and {\tt choices} arguments are to a single argument, which is
+a list of strings.}

 
 

-\func{}{\destruct{wxComboBox}}{\void}
+\perlnote{In wxPerl there is just an array reference in place of {\tt n}
+and {\tt choices}.}

 
 

-Destructor, destroying the combobox.

 
 

-\membersection{wxComboBox::Append}\label{wxcomboboxappend}
+\membersection{wxComboBox::\destruct{wxComboBox}}\label{wxcomboboxdtor}

 
 

-\func{void}{Append}{\param{const wxString\& }{item}}
-
-Adds the item to the end of the combobox.
-
-\func{void}{Append}{\param{const wxString\& }{ item}, \param{char* }{clientData}}
-
-Adds the item to the end of the combobox, associating the given data
-with the item.
-
-\wxheading{Parameters}
-
-\docparam{item}{The string to add.}
-
-\docparam{clientData}{Client data to associate with the item.}
-
-\membersection{wxComboBox::Clear}\label{wxcomboboxclear}
+\func{}{\destruct{wxComboBox}}{\void}

 
 

-\func{void}{Clear}{\void}
+Destructor, destroying the combobox.

 
 

-Clears all strings from the combobox.

 
 \membersection{wxComboBox::Create}\label{wxcomboboxcreate}
 
 
 \membersection{wxComboBox::Create}\label{wxcomboboxcreate}
 


@@ -117,97 +127,86 @@ Clears all strings from the combobox.
 \param{int}{ n}, \param{const wxString }{choices[]},\rtfsp
 \param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``comboBox"}}
 
 \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
 Creates the combobox for two-step construction. Derived classes

-should call or replace this function. See \helpref{wxComboBox::wxComboBox}{wxcomboboxconstr}\rtfsp
+should call or replace this function. See \helpref{wxComboBox::wxComboBox}{wxcomboboxctor}\rtfsp

 for further details.
 
 for further details.
 

-\membersection{wxComboBox::Copy}\label{wxcomboboxcopy}
-
-\func{void}{Copy}{\void}
-
-Copies the selected text to the clipboard.
-
-\membersection{wxComboBox::Cut}\label{wxcomboboxcut}
-
-\func{void}{Cut}{\void}
-
-Copies the selected text to the clipboard and removes the selection.
-
-\membersection{wxComboBox::Delete}\label{wxcomboboxdelete}

 
 

-\func{void}{Delete}{\param{int}{ n}}
+\membersection{wxComboBox::CanCopy}\label{wxcomboboxcancopy}

 
 

-Deletes an item from the combobox.
+\constfunc{bool}{CanCopy}{\void}

 
 

-\wxheading{Parameters}
+Returns true if the combobox is editable and there is a text selection to copy to the clipboard.
+Only available on Windows.

 
 

-\docparam{n}{The item to delete, starting from zero.}

 
 

-\membersection{wxComboBox::FindString}\label{wxcomboboxfindstring}
+\membersection{wxComboBox::CanCut}\label{wxcomboboxcancut}

 
 

-\func{int}{FindString}{\param{const wxString\& }{string}}
+\constfunc{bool}{CanCut}{\void}

 
 

-Finds a choice matching the given string.
+Returns true if the combobox is editable and there is a text selection to copy to the clipboard.
+Only available on Windows.

 
 

-\wxheading{Parameters}

 
 

-\docparam{string}{The item to find.}
+\membersection{wxComboBox::CanPaste}\label{wxcomboboxcanpaste}

 
 

-\wxheading{Return value}
+\constfunc{bool}{CanPaste}{\void}

 
 

-The position if found, or -1 if not found.
+Returns true if the combobox is editable and there is text on the clipboard that can be pasted into the
+text field. Only available on Windows.

 
 

-\membersection{wxComboBox::GetClientData}\label{wxcomboboxgetclientdata}

 
 

-\constfunc{char*}{GetClientData}{\param{int}{ n}}
+\membersection{wxComboBox::CanRedo}\label{wxcomboboxcanredo}

 
 

-Returns a pointer to the client data associated with the given item (if any).
+\constfunc{bool}{CanRedo}{\void}

 
 

-\wxheading{Parameters}
+Returns true if the combobox is editable and the last undo can be redone.
+Only available on Windows.

 
 

-\docparam{n}{An item, starting from zero.}

 
 

-\wxheading{Return value}
+\membersection{wxComboBox::CanUndo}\label{wxcomboboxcanundo}

 
 

-A pointer to the client data, or NULL if the item was not found.
+\constfunc{bool}{CanUndo}{\void}

 
 

-\membersection{wxComboBox::GetInsertionPoint}\label{wxcomboboxgetinsertionpoint}
+Returns true if the combobox is editable and the last edit can be undone.
+Only available on Windows.

 
 

-\constfunc{long}{GetInsertionPoint}{\void}

 
 

-Returns the insertion point for the combobox's text field.
+\membersection{wxComboBox::Copy}\label{wxcomboboxcopy}

 
 

-\membersection{wxComboBox::GetLastPosition}\label{wxcomboboxgetlastposition}
+\func{void}{Copy}{\void}

 
 

-\constfunc{long}{GetLastPosition}{\void}
+Copies the selected text to the clipboard.

 
 

-Returns the last position in the combobox text field.

 
 

-\membersection{wxComboBox::GetSelection}\label{wxcomboboxgetselection}
+\membersection{wxComboBox::Cut}\label{wxcomboboxcut}

 
 

-\constfunc{int}{GetSelection}{\void}
+\func{void}{Cut}{\void}

 
 

-Gets the position of the selected string, or -1 if there is no selection.
+Copies the selected text to the clipboard and removes the selection.

 
 

-\membersection{wxComboBox::GetString}\label{wxcomboboxgetstring}

 
 

-\constfunc{wxString}{GetString}{\param{int}{ n}}
+\membersection{wxComboBox::GetInsertionPoint}\label{wxcomboboxgetinsertionpoint}

 
 

-Returns the string at position {\it n}.
+\constfunc{long}{GetInsertionPoint}{\void}

 
 

-\wxheading{Parameters}
+Returns the insertion point for the combobox's text field.

 
 

-\docparam{n}{The item position, starting from zero.}
+\textbf{Note:} Under wxMSW, this function always returns $0$ if the combobox
+doesn't have the focus.

 
 

-\wxheading{Return value}

 
 

-The string if the item is found, otherwise the empty string.
+\membersection{wxComboBox::GetLastPosition}\label{wxcomboboxgetlastposition}

 
 

-\membersection{wxComboBox::GetStringSelection}\label{wxcomboboxgetstringselection}
+\constfunc{virtual wxTextPos}{GetLastPosition}{\void}

 
 

-\constfunc{wxString}{GetStringSelection}{\void}
+Returns the last position in the combobox text field.

 
 

-Gets the selected string.

 
 \membersection{wxComboBox::GetValue}\label{wxcomboboxgetvalue}
 
 
 \membersection{wxComboBox::GetValue}\label{wxcomboboxgetvalue}
 


@@ -215,12 +214,6 @@ Gets the selected string.
 
 Returns the current value in the combobox text field.
 
 
 Returns the current value in the combobox text field.
 

-\membersection{wxComboBox::Number}\label{wxcomboboxnumber}
-
-\constfunc{int}{Number}{\void}
-
-Returns the number of items in the combobox list.
-%TODO: make this GetNumber or GetCount?

 
 \membersection{wxComboBox::Paste}\label{wxcomboboxpaste}
 
 
 \membersection{wxComboBox::Paste}\label{wxcomboboxpaste}
 


@@ -228,6 +221,14 @@ Returns the number of items in the combobox list.
 
 Pastes text from the clipboard to the text field.
 
 
 Pastes text from the clipboard to the text field.
 

+
+\membersection{wxComboBox::Redo}\label{wxcomboboxredo}
+
+\func{void}{Redo}{\void}
+
+Redoes the last undo in the text field. Windows only.
+
+

 \membersection{wxComboBox::Replace}\label{wxcomboboxreplace}
 
 \func{void}{Replace}{\param{long}{ from}, \param{long}{ to}, \param{const wxString\& }{text}}
 \membersection{wxComboBox::Replace}\label{wxcomboboxreplace}
 
 \func{void}{Replace}{\param{long}{ from}, \param{long}{ to}, \param{const wxString\& }{text}}


@@ -242,6 +243,7 @@ Replaces the text between two positions with the given text, in the combobox tex
 
 \docparam{text}{The text to insert.}
 
 
 \docparam{text}{The text to insert.}
 

+

 \membersection{wxComboBox::Remove}\label{wxcomboboxremove}
 
 \func{void}{Remove}{\param{long}{ from}, \param{long}{ to}}
 \membersection{wxComboBox::Remove}\label{wxcomboboxremove}
 
 \func{void}{Remove}{\param{long}{ from}, \param{long}{ to}}


@@ -254,17 +256,6 @@ Removes the text between the two positions in the combobox text field.
 
 \docparam{to}{The last position.}
 
 
 \docparam{to}{The last position.}
 

-\membersection{wxComboBox::SetClientData}\label{wxcomboboxsetclientdata}
-
-\func{void}{SetClientData}{\param{int}{ n}, \param{char* }{data}}
-
-Associates the given client data pointer with the given item.
-
-\wxheading{Parameters}
-
-\docparam{n}{The zero-based item.}
-
-\docparam{data}{The client data.}

 
 \membersection{wxComboBox::SetInsertionPoint}\label{wxcomboboxsetinsertionpoint}
 
 
 \membersection{wxComboBox::SetInsertionPoint}\label{wxcomboboxsetinsertionpoint}
 


@@ -276,17 +267,15 @@ Sets the insertion point in the combobox text field.
 
 \docparam{pos}{The new insertion point.}
 
 
 \docparam{pos}{The new insertion point.}
 

+

 \membersection{wxComboBox::SetInsertionPointEnd}\label{wxcomboboxsetinsertionpointend}
 
 \func{void}{SetInsertionPointEnd}{\void}
 
 Sets the insertion point at the end of the combobox text field.
 
 \membersection{wxComboBox::SetInsertionPointEnd}\label{wxcomboboxsetinsertionpointend}
 
 \func{void}{SetInsertionPointEnd}{\void}
 
 Sets the insertion point at the end of the combobox text field.
 

-\membersection{wxComboBox::SetSelection}\label{wxcomboboxsetselection}
-
-\func{void}{SetSelection}{\param{int}{ n}}

 
 

-Selects the given item in the combobox list.
+\membersection{wxComboBox::SetSelection}\label{wxcomboboxsetselection}

 
 \func{void}{SetSelection}{\param{long}{ from}, \param{long}{ to}}
 
 
 \func{void}{SetSelection}{\param{long}{ from}, \param{long}{ to}}
 


@@ -294,20 +283,32 @@ Selects the text between the two positions, in the combobox text field.
 
 \wxheading{Parameters}
 
 
 \wxheading{Parameters}
 

-\docparam{n}{The zero-based item to select.}
-

 \docparam{from}{The first position.}
 
 \docparam{to}{The second position.}
 
 \docparam{from}{The first position.}
 
 \docparam{to}{The second position.}
 

+\pythonnote{This method is called {\tt SetMark} in wxPython, {\tt SetSelection}
+name is kept for
+\helpref{wxControlWithItems::SetSelection}{wxcontrolwithitemssetselection}.}
+
+

 \membersection{wxComboBox::SetValue}\label{wxcomboboxsetvalue}
 
 \func{void}{SetValue}{\param{const wxString\& }{text}}
 
 Sets the text for the combobox text field.
 
 \membersection{wxComboBox::SetValue}\label{wxcomboboxsetvalue}
 
 \func{void}{SetValue}{\param{const wxString\& }{text}}
 
 Sets the text for the combobox text field.
 

+{\bf NB:} For a combobox with {\tt wxCB\_READONLY} style the string must be in
+the combobox choices list, otherwise the call to SetValue() is ignored.
+

 \wxheading{Parameters}
 
 \docparam{text}{The text to set.}
 
 
 \wxheading{Parameters}
 
 \docparam{text}{The text to set.}
 
 

+\membersection{wxComboBox::Undo}\label{wxcomboboxundo}
+
+\func{void}{Undo}{\void}
+
+Undoes the last edit in the text field. Windows only.
+