X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eaaa6a06a25774c18d10bb8182cc1934ed0ed9aa..3cc305b2b4a0674c56c84d7088cfd70676b850f0:/docs/latex/wx/combobox.tex

diff --git a/docs/latex/wx/combobox.tex b/docs/latex/wx/combobox.tex
index 4d79cda441..413bed234c 100644
--- a/docs/latex/wx/combobox.tex
+++ b/docs/latex/wx/combobox.tex
@@ -6,33 +6,65 @@ text field; or a drop-down list without a text field.
 
 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}
 
-\helpref{wxChoice}{wxchoice}\\
+\helpref{wxControlWithItems}{wxcontrolwithitems}\\
 \helpref{wxControl}{wxcontrol}\\
 \helpref{wxWindow}{wxwindow}\\
 \helpref{wxEvtHandler}{wxevthandler}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/combobox.h>
+
+\wxheading{Library}
+
+\helpref{wxCore}{librarieslist}
+
 \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\_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{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. 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\_ENTER(id, func)}}{Process a wxEVT\_COMMAND\_TEXT\_ENTER event,
+when <RETURN> is pressed in the combobox.}
+\end{twocollist}
+
 \wxheading{See also}
 
-\helpref{wxListBox}{wxlistbox}, \helpref{wxTextCtrl}{wxtextctrl}, \helpref{wxChoice}{wxchoice}
+\helpref{wxListBox}{wxlistbox}, \helpref{wxTextCtrl}{wxtextctrl}, \helpref{wxChoice}{wxchoice},
+\rtfsp\helpref{wxCommandEvent}{wxcommandevent}
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
-\membersection{wxComboBox::wxComboBox}\label{wxcomboboxconstr}
+
+\membersection{wxComboBox::wxComboBox}\label{wxcomboboxctor}
 
 \func{}{wxComboBox}{\void}
 
@@ -40,7 +72,12 @@ 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
-\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.
@@ -51,6 +88,8 @@ Constructor, creating and showing a combobox.
 
 \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
@@ -70,34 +109,20 @@ appropriately.}
 
 \helpref{wxComboBox::Create}{wxcomboboxcreate}, \helpref{wxValidator}{wxvalidator}
 
-\membersection{wxComboBox::\destruct{wxComboBox}}
-
-\func{}{\destruct{wxComboBox}}{\void}
-
-Destructor, destroying the combobox.
-
-\membersection{wxComboBox::Append}\label{wxcomboboxappend}
-
-\func{void}{Append}{\param{const wxString\& }{item}}
-
-Adds the item to the end of the combobox.
+\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{void}{Append}{\param{const wxString\& }{ item}, \param{char* }{clientData}}
+\perlnote{In wxPerl there is just an array reference in place of {\tt n}
+and {\tt choices}.}
 
-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::\destruct{wxComboBox}}\label{wxcomboboxdtor}
 
-\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}
 
@@ -106,111 +131,114 @@ 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"}}
 
+\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{wxComboBox::wxComboBox}{wxcomboboxconstr}\rtfsp
+should call or replace this function. See \helpref{wxComboBox::wxComboBox}{wxcomboboxctor}\rtfsp
 for further details.
 
-\membersection{wxComboBox::Copy}\label{wxcomboboxcopy}
 
-\func{void}{Copy}{\void}
+\membersection{wxComboBox::CanCopy}\label{wxcomboboxcancopy}
 
-Copies the selected text to the clipboard.
+\constfunc{bool}{CanCopy}{\void}
 
-\membersection{wxComboBox::Cut}\label{wxcomboboxcut}
+Returns true if the combobox is editable and there is a text selection to copy to the clipboard.
+Only available on Windows.
 
-\func{void}{Cut}{\void}
 
-Copies the selected text to the clipboard and removes the selection.
+\membersection{wxComboBox::CanCut}\label{wxcomboboxcancut}
 
-\membersection{wxComboBox::Delete}\label{wxcomboboxdelete}
+\constfunc{bool}{CanCut}{\void}
 
-\func{void}{Delete}{\param{int}{ n}}
+Returns true if the combobox is editable and there is a text selection to copy to the clipboard.
+Only available on Windows.
 
-Deletes an item from the combobox.
 
-\wxheading{Parameters}
+\membersection{wxComboBox::CanPaste}\label{wxcomboboxcanpaste}
 
-\docparam{n}{The item to delete, starting from zero.}
+\constfunc{bool}{CanPaste}{\void}
 
-\membersection{wxComboBox::FindString}\label{wxcomboboxfindstring}
+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.
 
-\func{int}{FindString}{\param{const wxString\& }{string}}
 
-Finds a choice matching the given string.
+\membersection{wxComboBox::CanRedo}\label{wxcomboboxcanredo}
 
-\wxheading{Parameters}
+\constfunc{bool}{CanRedo}{\void}
 
-\docparam{string}{The item to find.}
+Returns true if the combobox is editable and the last undo can be redone.
+Only available on Windows.
 
-\wxheading{Return value}
 
-The position if found, or -1 if not found.
+\membersection{wxComboBox::CanUndo}\label{wxcomboboxcanundo}
 
-\membersection{wxComboBox::GetClientData}\label{wxcomboboxgetclientdata}
+\constfunc{bool}{CanUndo}{\void}
 
-\constfunc{char*}{GetClientData}{\param{int}{ n}}
+Returns true if the combobox is editable and the last edit can be undone.
+Only available on Windows.
 
-Returns a pointer to the client data associated with the given item (if any).
 
-\wxheading{Parameters}
+\membersection{wxComboBox::Copy}\label{wxcomboboxcopy}
 
-\docparam{n}{An item, starting from zero.}
+\func{void}{Copy}{\void}
 
-\wxheading{Return value}
+Copies the selected text to the clipboard.
 
-A pointer to the client data, or NULL if the item was not found.
 
-\membersection{wxComboBox::GetInsertionPoint}\label{wxcomboboxgetinsertionpoint}
+\membersection{wxComboBox::Cut}\label{wxcomboboxcut}
 
-\constfunc{long}{GetInsertionPoint}{\void}
+\func{void}{Cut}{\void}
 
-Returns the insertion point for the combobox's text field.
+Copies the selected text to the clipboard and removes the selection.
 
-\membersection{wxComboBox::GetLastPosition}\label{wxcomboboxgetlastposition}
 
-\constfunc{long}{GetLastPosition}{\void}
+\membersection{wxComboBox::GetCurrentSelection}\label{wxcomboboxgetcurrentselection}
 
-Returns the last position in the combobox text field.
+\constfunc{int}{GetCurrentSelection}{\void}
 
-\membersection{wxComboBox::GetSelection}\label{wxcomboboxgetselection}
+This function does the same things as 
+\helpref{wxChoice::GetCurrentSelection}{wxchoicegetcurrentselection} and
+returns the item currently selected in the dropdown list if it's open or the
+same thing as \helpref{GetSelection}{wxcontrolwithitemsgetselection} otherwise.
 
-\constfunc{int}{GetSelection}{\void}
 
-Gets the position of the selected string, or -1 if there is no selection.
+\membersection{wxComboBox::GetInsertionPoint}\label{wxcomboboxgetinsertionpoint}
 
-\membersection{wxComboBox::GetString}\label{wxcomboboxgetstring}
+\constfunc{long}{GetInsertionPoint}{\void}
 
-\constfunc{wxString}{GetString}{\param{int}{ n}}
+Returns the insertion point for the combobox's text field.
 
-Returns the string at position {\it n}.
+\textbf{Note:} Under wxMSW, this function always returns $0$ if the combobox
+doesn't have the focus.
 
-\wxheading{Parameters}
 
-\docparam{n}{The item position, starting from zero.}
+\membersection{wxComboBox::GetLastPosition}\label{wxcomboboxgetlastposition}
 
-\wxheading{Return value}
+\constfunc{virtual wxTextPos}{GetLastPosition}{\void}
 
-The string if the item is found, otherwise the empty string.
+Returns the last position in the combobox text field.
 
-\membersection{wxComboBox::GetStringSelection}\label{wxcomboboxgetstringselection}
 
-\constfunc{wxString}{GetStringSelection}{\void}
+\membersection{wxComboBox::GetSelection}\label{wxcomboboxgetselection}
 
-Gets the selected string.
+\constfunc{void}{GetSelection}{\param{long *}{from}, \param{long *}{to}}
 
-\membersection{wxComboBox::GetValue}\label{wxcomboboxgetvalue}
+This is the same as \helpref{wxTextCtrl::GetSelection}{wxtextctrlgetselection} 
+for the text control which is part of the combobox. Notice that this is a
+different method from \helpref{wxControlWithItems::GetSelection}{wxcontrolwithitemsgetselection}.
 
-\constfunc{wxString}{GetValue}{\void}
+Currently this method is only implemented in wxMSW and wxGTK.
 
-Returns the current value in the combobox text field.
 
-\membersection{wxComboBox::Number}\label{wxcomboboxnumber}
+\membersection{wxComboBox::GetValue}\label{wxcomboboxgetvalue}
 
-\constfunc{int}{Number}{\void}
+\constfunc{wxString}{GetValue}{\void}
 
-Returns the number of items in the combobox list.
+Returns the current value in the combobox text field.
 
-TODO: make this GetNumber or GetCount?
 
 \membersection{wxComboBox::Paste}\label{wxcomboboxpaste}
 
@@ -218,6 +246,14 @@ TODO: make this GetNumber or GetCount?
 
 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}}
@@ -232,6 +268,7 @@ Replaces the text between two positions with the given text, in the combobox tex
 
 \docparam{text}{The text to insert.}
 
+
 \membersection{wxComboBox::Remove}\label{wxcomboboxremove}
 
 \func{void}{Remove}{\param{long}{ from}, \param{long}{ to}}
@@ -244,17 +281,6 @@ Removes the text between the two positions in the combobox text field.
 
 \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}
 
@@ -266,17 +292,15 @@ Sets the insertion point in the combobox text field.
 
 \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::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}}
 
@@ -284,20 +308,32 @@ Selects the text between the two positions, in the combobox text field.
 
 \wxheading{Parameters}
 
-\docparam{n}{The zero-based item to select.}
-
 \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.
 
+{\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.}
 
 
+\membersection{wxComboBox::Undo}\label{wxcomboboxundo}
+
+\func{void}{Undo}{\void}
+
+Undoes the last edit in the text field. Windows only.
+