X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eaaa6a06a25774c18d10bb8182cc1934ed0ed9aa..a1c3cdc4a2c4cc2b15d7fdf60c1be228f9fbc520:/docs/latex/wx/listbox.tex diff --git a/docs/latex/wx/listbox.tex b/docs/latex/wx/listbox.tex index a80985b375..ab6ffc3709 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 may be limited +under some platforms. -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}. +A listbox callback gets an event wxEVT\_COMMAND\_LISTBOX\_SELECTED for single clicks, and +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}% @@ -35,15 +40,30 @@ 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 or the selection changes.} +\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}}} -\membersection{wxListBox::wxListBox}\label{wxlistboxconstr} +\membersection{wxListBox::wxListBox}\label{wxlistboxctor} \func{}{wxListBox}{\void} @@ -51,7 +71,12 @@ Default constructor. \func{}{wxListBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxPoint\&}{ pos = wxDefaultPosition}, \param{const wxSize\&}{ size = wxDefaultSize},\rtfsp -\param{int}{ n}, \param{const wxString }{choices[] = NULL},\rtfsp +\param{int}{ n = 0}, \param{const wxString }{choices[] = NULL},\rtfsp +\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``listBox"}} + +\func{}{wxListBox}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp +\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 = ``listBox"}} Constructor, creating and showing a list box. @@ -81,34 +106,18 @@ appropriately.} \helpref{wxListBox::Create}{wxlistboxcreate}, \helpref{wxValidator}{wxvalidator} -\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}} +\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.} -Adds the item to the end of the list box. +\perlnote{In wxPerl there is just an array reference in place of {\tt n} +and {\tt choices}.} -\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} +\membersection{wxListBox::\destruct{wxListBox}}\label{wxlistboxdtor} -\docparam{item}{String to add.} - -\docparam{clientData}{Client data to associate with the item.} - -\membersection{wxListBox::Clear}\label{wxlistboxclear} - -\func{void}{Clear}{\void} +\func{void}{\destruct{wxListBox}}{\void} -Clears all strings from the list box. +Destructor, destroying the list box. \membersection{wxListBox::Create}\label{wxlistboxcreate} @@ -117,18 +126,13 @@ Clears all strings from the list box. \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} +\func{bool}{Create}{\param{wxWindow*}{ parent}, \param{wxWindowID}{ id},\rtfsp +\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 = ``listBox"}} -\docparam{n}{The zero-based item index.} +Creates the listbox for two-step construction. See \helpref{wxListBox::wxListBox}{wxlistboxctor}\rtfsp +for further details. \membersection{wxListBox::Deselect}\label{wxlistboxdeselect} @@ -144,116 +148,81 @@ Deselects an item in the list box. This applies to multiple selection listboxes only. -\membersection{wxListBox::FindString}\label{wxlistboxfindstring} +\membersection{wxListBox::GetSelections}\label{wxlistboxgetselections} -\func{int}{FindString}{\param{const wxString\& }{string}} +\constfunc{int}{GetSelections}{\param{wxArrayInt\& }{selections}} -Finds an item matching the given string. +Fill an array of ints with the positions of the currently selected items. \wxheading{Parameters} -\docparam{string}{String to find.} +\docparam{selections}{A reference to an wxArrayInt instance that is used to store the result of the query.} \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{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} +The number of selections. -A pointer to the client data, or NULL if not present. +\wxheading{Remarks} -\membersection{wxListBox::GetSelection}\label{wxlistboxgetselection} +Use this with a multiple selection listbox. -\constfunc{int}{GetSelection}{\void} +\wxheading{See also} -Gets the position of the selected item. +\helpref{wxControlWithItems::GetSelection}{wxcontrolwithitemsgetselection},\rtfsp +\helpref{wxControlWithItems::GetStringSelection}{wxcontrolwithitemsgetstringselection},\rtfsp +\helpref{wxControlWithItems::SetSelection}{wxcontrolwithitemssetselection} -\wxheading{Return value} +\pythonnote{The wxPython version of this method takes no parameters +and returns a tuple of the selected items.} -The position of the current selection. +\perlnote{In wxPerl this method takes no parameters and return the +selected items as a list.} -\wxheading{Remarks} +\membersection{wxListBox::InsertItems}\label{wxlistboxinsertitems} -Applicable to single selection list boxes only. +\func{void}{InsertItems}{\param{int}{ nItems}, \param{const wxString}{ *items}, \param{unsigned int}{ pos}} -\wxheading{See also} +\func{void}{InsertItems}{\param{const wxArrayString\&}{ nItems}, \param{unsigned int}{ pos}} -\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}} - -Gets an array containing the positions of the selected strings. +Insert the given number of strings before the specified position. \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{nItems}{Number of items in the array {\it items}} -\wxheading{Return value} +\docparam{items}{Labels of items to be inserted} -The number of selections. +\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} -\wxheading{Remarks} +\pythonnote{The first two parameters are collapsed into a single +parameter for wxPython, which is a list of strings.} -Use this with a multiple selection listbox. +\perlnote{In wxPerl there is just an array reference in place of {\tt nItems} +and {\tt items}.} -\wxheading{See also} - -\helpref{wxListBox::GetSelection}{wxlistboxgetselection},\rtfsp -\helpref{wxListBox::GetStringSelection}{wxlistboxgetstringselection},\rtfsp -\helpref{wxListBox::SetSelection}{wxlistboxsetselection} +\membersection{wxListBox::HitTest}\label{wxlistboxhittest} -\membersection{wxListBox::GetString}\label{wxlistboxgetstring} +\constfunc{int}{HitTest}{\param{const wxPoint&}{ point}} -\constfunc{wxString}{GetString}{\param{int}{ n}} +Returns the item located at \arg{point}, or \texttt{wxNOT\_FOUND} if there +is no item located at \arg{point}. -Returns the string at the given position. +\newsince{2.7.0}. It is currently implemented for wxMSW, wxMac and wxGTK2 +ports. \wxheading{Parameters} -\docparam{n}{The zero-based position.} +\docparam{point}{Point of item (in client coordinates) to obtain} \wxheading{Return value} -The string, or an empty string if the position was invalid. - -\membersection{wxListBox::GetStringSelection}\label{wxlistboxgetstringselection} - -\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{See also} - -\helpref{wxListBox::GetSelection}{wxlistboxgetselection},\rtfsp -\helpref{wxListBox::GetSelections}{wxlistboxgetselections},\rtfsp -\helpref{wxListBox::SetSelection}{wxlistboxsetselection} - -\membersection{wxListBox::Number}\label{wxlistboxnumber} - -\constfunc{int}{Number}{\void} +Item located at \arg{point}, or \texttt{wxNOT\_FOUND} if unimplemented +or the item does not exist. -Returns the number of items in the listbox. +\membersection{wxListBox::IsSelected}\label{wxlistboxisselected} -\membersection{wxListBox::Selected}\label{wxlistboxselected} - -\constfunc{bool}{Selected}{\param{int}{ n}} +\constfunc{bool}{IsSelected}{\param{int}{ n}} Determines whether an item is selected. @@ -263,13 +232,15 @@ 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{int}{ n}, \param{const wxString*}{ choices}} +\func{void}{Set}{\param{int}{ n}, \param{const wxString*}{ choices}, \param{void}{ **clientData = {\tt NULL}}} + +\func{void}{Set}{\param{const wxArrayString\&}{ choices}, \param{void}{ **clientData = {\tt NULL}}} -Clears the list box and adds the given strings. +Clears the list box and adds the given strings to it. \wxheading{Parameters} @@ -277,22 +248,12 @@ 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. - -\membersection{wxListBox::SetClientData}\label{wxlistboxsetclientdata} - -\func{void}{SetClientData}{\param{int}{ n}, \param{char* }{data}} - -Associates the given client data pointer with the given item. - -\wxheading{Parameters} +\docparam{clientData}{Options array of client data pointers} -\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} @@ -308,39 +269,3 @@ 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{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{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.} -