X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a660d684eda27638bca0384b2058911a31c8e845..5c5428f9132822d5d39b02c46dd89464adff9f1f:/docs/latex/wx/listbox.tex diff --git a/docs/latex/wx/listbox.tex b/docs/latex/wx/listbox.tex index 75e7037afc..fe981c44f2 100644 --- a/docs/latex/wx/listbox.tex +++ b/docs/latex/wx/listbox.tex @@ -7,19 +7,24 @@ is selected, the previous selection is removed) or multiple selection (clicking an item toggles the item on or off independently of other selections). -List box elements are numbered from zero. +List box elements are numbered from zero. Their number is limited in +some platforms (e.g. ca. 2000 on GTK). A listbox callback gets an event wxEVT\_COMMAND\_LISTBOX\_SELECT for single clicks, and -wxEVT\_COMMAND\_LISTBOX\_DOUBLE\_CLICKED for double clicks. Another way of intercepting -double clicks is to override \helpref{wxWindow::OnDefaultAction}{wxwindowondefaultaction}. +wxEVT\_COMMAND\_LISTBOX\_DOUBLE\_CLICKED for double clicks. \wxheading{Derived from} +\helpref{wxControlWithItems}{wxcontrolwithitems}\\ \helpref{wxControl}{wxcontrol}\\ \helpref{wxWindow}{wxwindow}\\ \helpref{wxEvtHandler}{wxevthandler}\\ \helpref{wxObject}{wxobject} +\wxheading{Include files} + + + \wxheading{Window styles} \twocolwidtha{5cm}% @@ -35,11 +40,26 @@ select multiple items using the SHIFT key and the mouse or special key combinati \twocolitem{\windowstyle{wxLB\_SORT}}{The listbox contents are sorted in alphabetical order.} \end{twocollist} +Note that {\tt wxLB\_SINGLE}, {\tt wxLB\_MULTIPLE} and {\tt wxLB\_EXTENDED} +styles are mutually exclusive and you can specify at most one of them (single +selection is the default). + See also \helpref{window styles overview}{windowstyles}. +\wxheading{Event handling} + +\twocolwidtha{7cm} +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf EVT\_LISTBOX(id, func)}}{Process a wxEVT\_COMMAND\_LISTBOX\_SELECTED event, +when an item on the list is selected.} +\twocolitem{{\bf EVT\_LISTBOX\_DCLICK(id, func)}}{Process a wxEVT\_COMMAND\_LISTBOX\_DOUBLECLICKED event, +when the listbox is double-clicked.} +\end{twocollist} + \wxheading{See also} -\helpref{wxChoice}{wxchoice}, \helpref{wxComboBox}{wxcombobox}, \helpref{wxListCtrl}{wxlistctrl} +\helpref{wxChoice}{wxchoice}, \helpref{wxComboBox}{wxcombobox}, \helpref{wxListCtrl}{wxlistctrl}, +\rtfsp\helpref{wxCommandEvent}{wxcommandevent} \latexignore{\rtfignore{\wxheading{Members}}} @@ -49,10 +69,10 @@ See also \helpref{window styles overview}{windowstyles}. Default constructor. -\func{}{wxListBox}{\param{wxWindow*}{ parent}, \param{const wxWindowID}{ id},\rtfsp +\func{}{wxListBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp -\param{const int}{ n}, \param{const wxString }{choices[] = NULL},\rtfsp -\param{const long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listBox"}} +\param{int}{ n}, \param{const wxString }{choices[] = NULL},\rtfsp +\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listBox"}} Constructor, creating and showing a list box. @@ -81,55 +101,29 @@ appropriately.} \helpref{wxListBox::Create}{wxlistboxcreate}, \helpref{wxValidator}{wxvalidator} +\pythonnote{The wxListBox 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{wxListBox::\destruct{wxListBox}} \func{void}{\destruct{wxListBox}}{\void} Destructor, destroying the list box. -\membersection{wxListBox::Append}\label{wxlistboxappend} - -\func{void}{Append}{\param{const wxString\& }{ item}} - -Adds the item to the end of the list box. - -\func{void}{Append}{\param{const wxString\& }{ item}, \param{char* }{clientData}} - -Adds the item to the end of the list box, associating the given data -with the item. - -\wxheading{Parameters} - -\docparam{item}{String to add.} - -\docparam{clientData}{Client data to associate with the item.} - -\membersection{wxListBox::Clear}\label{wxlistboxclear} - -\func{void}{Clear}{\void} - -Clears all strings from the list box. - \membersection{wxListBox::Create}\label{wxlistboxcreate} -\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{const wxWindowID}{ id},\rtfsp +\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp -\param{const int}{ n}, \param{const wxString }{choices[] = NULL},\rtfsp -\param{const long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listBox"}} +\param{int}{ n}, \param{const wxString }{choices[] = NULL},\rtfsp +\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listBox"}} Creates the listbox for two-step construction. See \helpref{wxListBox::wxListBox}{wxlistboxconstr}\rtfsp for further details. -\membersection{wxListBox::Delete}\label{wxlistboxdelete} - -\func{void}{Delete}{\param{int}{ n}} - -Deletes an item from the listbox. - -\wxheading{Parameters} - -\docparam{n}{The zero-based item index.} - \membersection{wxListBox::Deselect}\label{wxlistboxdeselect} \func{void}{Deselect}{\param{int}{ n}} @@ -144,64 +138,15 @@ Deselects an item in the list box. This applies to multiple selection listboxes only. -\membersection{wxListBox::FindString}\label{wxlistboxfindstring} - -\func{int}{FindString}{\param{const wxString\& }{string}} - -Finds an item matching the given string. - -\wxheading{Parameters} - -\docparam{string}{String to find.} - -\wxheading{Return value} - -The zero-based position of the item, or -1 if the string was not found. - -\membersection{wxListBox::GetClientData}\label{wxlistboxgetclientdata} - -\constfunc{char*}{GetClientData}{\param{const int}{ n}} - -Returns a pointer to the client data associated with the given item (if any). - -\wxheading{Parameters} - -\docparam{n}{The zero-based position of the item.} - -\wxheading{Return value} - -A pointer to the client data, or NULL if not present. - -\membersection{wxListBox::GetSelection}\label{wxlistboxgetselection} - -\constfunc{int}{GetSelection}{\void} - -Gets the position of the selected item. - -\wxheading{Return value} - -The position of the current selection. - -\wxheading{Remarks} - -Applicable to single selection list boxes only. - -\wxheading{See also} - -\helpref{wxListBox::SetSelection}{wxlistboxsetselection},\rtfsp -\helpref{wxListBox::GetStringSelection}{wxlistboxgetstringselection},\rtfsp -\helpref{wxListBox::GetSelections}{wxlistboxgetselections} - \membersection{wxListBox::GetSelections}\label{wxlistboxgetselections} -\constfunc{int}{GetSelections}{\param{int **}{selections}} +\constfunc{int}{GetSelections}{\param{wxArrayInt\& }{selections}} -Gets an array containing the positions of the selected strings. +Fill an array of ints with the positions of the currently selected items. \wxheading{Parameters} -\docparam{selections}{A pointer to an integer array, which will be allocated by the function if -selects are present. Do not deallocate the returned array - it will be deallocated by the listbox.} +\docparam{selections}{A reference to an wxArrayInt instance that is used to store the result of the query.} \wxheading{Return value} @@ -213,47 +158,40 @@ Use this with a multiple selection listbox. \wxheading{See also} -\helpref{wxListBox::GetSelection}{wxlistboxgetselection},\rtfsp -\helpref{wxListBox::GetStringSelection}{wxlistboxgetstringselection},\rtfsp -\helpref{wxListBox::SetSelection}{wxlistboxsetselection} - -\membersection{wxListBox::GetString}\label{wxlistboxgetstring} - -\constfunc{wxString}{GetString}{\param{const int}{ n}} +\helpref{wxControlWithItems::GetSelection}{wxcontrolwithitemsgetselection},\rtfsp +\helpref{wxControlWithItems::GetStringSelection}{wxcontrolwithitemsgetstringselection},\rtfsp +\helpref{wxControlWithItems::SetSelection}{wxcontrolwithitemssetselection} -Returns the string at the given position. +\pythonnote{The wxPython version of this method takes no parameters +and returns a tuple of the selected items.} -\wxheading{Parameters} - -\docparam{n}{The zero-based position.} +\perlnote{In wxPerl this method takes no parameters and return the +selected items as a list.} -\wxheading{Return value} +\membersection{wxListBox::InsertItems}\label{wxlistboxinsertitems} -The string, or an empty string if the position was invalid. +\func{void}{InsertItems}{\param{int}{ nItems}, \param{const wxString}{ *items}, \param{int}{ pos}} -\membersection{wxListBox::GetStringSelection}\label{wxlistboxgetstringselection} +Insert the given number of strings before the specified position. -\constfunc{wxString}{GetStringSelection}{\void} - -Gets the selected string - for single selection list boxes only. This -must be copied by the calling program if long term use is to be made of -it. +\wxheading{Parameters} -\wxheading{See also} +\docparam{nItems}{Number of items in the array {\it items}} -\helpref{wxListBox::GetSelection}{wxlistboxgetselection},\rtfsp -\helpref{wxListBox::GetSelections}{wxlistboxgetselections},\rtfsp -\helpref{wxListBox::SetSelection}{wxlistboxsetselection} +\docparam{items}{Labels of items to be inserted} -\membersection{wxListBox::Number}\label{wxlistboxnumber} +\docparam{pos}{Position before which to insert the items: for example, if {\it pos} is 0 the items +will be inserted in the beginning of the listbox} -\constfunc{int}{Number}{\void} +\pythonnote{The first two parameters are collapsed into a single +parameter for wxPython, which is a list of strings.} -Returns the number of items in the listbox. +\perlnote{In wxPerl there is just an array reference in place of {\tt nItems} +and {\tt items}.} \membersection{wxListBox::Selected}\label{wxlistboxselected} -\constfunc{bool}{Selected}{\param{const int}{ n}} +\constfunc{bool}{Selected}{\param{int}{ n}} Determines whether an item is selected. @@ -263,13 +201,15 @@ Determines whether an item is selected. \wxheading{Return value} -TRUE if the given item is selected, FALSE otherwise. +true if the given item is selected, false otherwise. \membersection{wxListBox::Set}\label{wxlistboxset} -\func{void}{Set}{\param{const int}{ n}, \param{const wxString*}{ choices}} +\func{void}{Set}{\param{int}{ n}, \param{const wxString*}{ choices}, \param{void}{ **clientData = {\tt NULL}}} -Clears the list box and adds the given strings. +\func{void}{Set}{\param{const wxArrayString\&}{ choices}, \param{void}{ **clientData = {\tt NULL}}} + +Clears the list box and adds the given strings to it. \wxheading{Parameters} @@ -277,22 +217,12 @@ Clears the list box and adds the given strings. \docparam{choices}{An array of strings to set.} -\wxheading{Remarks} - -Deallocate the array from the calling program -after this function has been called. +\docparam{clientData}{Options array of client data pointers} -\membersection{wxListBox::SetClientData}\label{wxlistboxsetclientdata} - -\func{void}{SetClientData}{\param{const int}{ n}, \param{char* }{data}} - -Associates the given client data pointer with the given item. - -\wxheading{Parameters} - -\docparam{n}{The zero-based item index.} +\wxheading{Remarks} -\docparam{data}{The client data to associate with the item.} +You may free the array from the calling program after this function has been +called. \membersection{wxListBox::SetFirstItem}\label{wxlistboxsetfirstitem} @@ -300,7 +230,7 @@ Associates the given client data pointer with the given item. \func{void}{SetFirstItem}{\param{const wxString\& }{string}} -Set the specified item to be the first visible item. +Set the specified item to be the first visible item. Windows only. \wxheading{Parameters} @@ -308,39 +238,3 @@ Set the specified item to be the first visible item. \docparam{string}{The string that should be visible.} -\membersection{wxListBox::SetSelection}\label{wxlistboxsetselection} - -\func{void}{SetSelection}{\param{const int}{ n}, \param{const bool }{select = TRUE}} - -Selects or deselects the given item. - -\wxheading{Parameters} - -\docparam{n}{The zero-based item index.} - -\docparam{select}{If TRUE, will select the item. If FALSE, will deselect it.} - -\membersection{wxListBox::SetString}\label{wxlistboxsetstring} - -\func{void}{SetString}{\param{const int}{ n}, \param{const wxString\& }{ string}} - -Sets the string value of an item. - -\wxheading{Parameters} - -\docparam{n}{The zero-based item index.} - -\docparam{string}{The string to set.} - -\membersection{wxListBox::SetStringSelection}\label{wxlistboxsetstringselection} - -\func{void}{SetStringSelection}{\param{const wxString\& }{ string}, \param{const bool}{ select = TRUE}} - -Sets the current selection. - -\wxheading{Parameters} - -\docparam{string}{The item to select.} - -\docparam{select}{If TRUE, will select the item. If FALSE, will deselect it.} -