X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/69440cd26c19d12cf9da023073cb1a7a29259888..65baafba0e8cd74f2264b7e2f7625ff5bea84864:/docs/latex/wx/menu.tex diff --git a/docs/latex/wx/menu.tex b/docs/latex/wx/menu.tex index 20469ee2cb..7daf283906 100644 --- a/docs/latex/wx/menu.tex +++ b/docs/latex/wx/menu.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: menu.tex +%% Purpose: wxMenu documentation +%% Author: wxWidgets Team +%% Modified by: +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxWidgets Team +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxMenu}}\label{wxmenu} A menu is a popup (or pull down) list of items, one of which may be @@ -9,10 +20,17 @@ identify the selection, or to change the menu item in some way. A menu item with a special identifier $-1$ is a separator item and doesn't have an associated command but just makes a separator line appear in the menu. +{\bf NB:} Please note that {\it wxID\_ABOUT} and {\it wxID\_EXIT} are +predefined by wxWidgets and have a special meaning since entries +using these IDs will be taken out of the normal menus under MacOS X +and will be inserted into the system menu (following the appropriate +MacOS X interface guideline). On PalmOS {\it wxID\_EXIT} is disabled according +to Palm OS Companion guidelines. + Menu items may be either normal items, check items or radio items. Normal items don't have any special properties while the check items have a boolean flag associated to them and they show a checkmark in the menu when the flag is set. -wxWindows automatically toggles the flag value when the item is clicked and its +wxWidgets automatically toggles the flag value when the item is clicked and its value may be retrieved using either \helpref{IsChecked}{wxmenuischecked} method of wxMenu or wxMenuBar itself or by using \helpref{wxEvent::IsChecked}{wxcommandeventischecked} when you get the menu @@ -24,8 +42,8 @@ group is formed by a contiguous range of radio items, i.e. it starts at the first item of this kind and ends with the first item of a different kind (or the end of the menu). Notice that because the radio groups are defined in terms of the item positions inserting or removing the items in the menu containing -the radio items risks to not work correctly. Finally note that the radio items -are only supported under Windows and GTK+ currently. +the radio items risks to not work correctly. Finally note that radio items +are not supported under Motif. \wxheading{Allocation strategy} @@ -64,11 +82,14 @@ not be used in the new code, it is provided for backwards compatibility only. \wxheading{See also} \helpref{wxMenuBar}{wxmenubar}, \helpref{wxWindow::PopupMenu}{wxwindowpopupmenu},\rtfsp -\helpref{Event handling overview}{eventhandlingoverview} +\helpref{Event handling overview}{eventhandlingoverview},\rtfsp +\helpref{wxFileHistory (most recently used files menu)}{wxfilehistory} + + \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxMenu::wxMenu}\label{wxmenuconstr} +\membersection{wxMenu::wxMenu}\label{wxmenuctor} \func{}{wxMenu}{\param{const wxString\& }{title = ""}, \param{long}{ style = 0}} @@ -88,7 +109,7 @@ Constructs a wxMenu object. \docparam{style}{If set to {\tt wxMENU\_TEAROFF}, the menu will be detachable (wxGTK only).} -\membersection{wxMenu::\destruct{wxMenu}} +\membersection{wxMenu::\destruct{wxMenu}}\label{wxmenudtor} \func{}{\destruct{wxMenu}}{\void} @@ -103,19 +124,19 @@ and recreation of internal data structures. \membersection{wxMenu::Append}\label{wxmenuappend} -\func{void}{Append}{\param{int}{ id}, \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""},\rtfsp +\func{wxMenuItem*}{Append}{\param{int}{ id}, \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""},\rtfsp \param{wxItemKind}{ kind = wxITEM\_NORMAL}} Adds a string item to the end of the menu. -\func{void}{Append}{\param{int}{ id}, \param{const wxString\& }{ item}, \param{wxMenu *}{subMenu},\rtfsp +\func{wxMenuItem*}{Append}{\param{int}{ id}, \param{const wxString\& }{ item}, \param{wxMenu *}{subMenu},\rtfsp \param{const wxString\& }{helpString = ""}} Adds a pull-right submenu to the end of the menu. Append the submenu to the parent menu {\it after} you have added your menu items, or accelerators may not be registered properly. -\func{void}{Append}{\param{wxMenuItem*}{ menuItem}} +\func{wxMenuItem*}{Append}{\param{wxMenuItem*}{ menuItem}} Adds a menu item object. This is the most generic variant of Append() method because it may be used for both items (including separators) and submenus and @@ -134,7 +155,7 @@ such as bitmaps and fonts. {\tt wxITEM\_CHECK} or {\tt wxITEM\_RADIO}} \docparam{helpString}{An optional help string associated with the item. -By default, \helpref{wxFrame::OnMenuHighlight}{wxframeonmenuhighlight} displays +By default, the handler for the wxEVT\_MENU\_HIGHLIGHT event displays this string in the status line.} \docparam{menuItem}{A menuitem object. It will be owned by the wxMenu object after this function @@ -154,6 +175,7 @@ doesn't matter) separated by either {\tt '-'} or {\tt '+'} characters and followed by the accelerator itself. The accelerator may be any alphanumeric character, any function key (from {\tt F1} to {\tt F12}) or one of the special characters listed in the table below (again, case doesn't matter): + \begin{twocollist}\itemsep=0pt \twocolitem{{\tt DEL} or {\tt DELETE}}{Delete key} \twocolitem{{\tt INS} or {\tt INSERT}}{Insert key} @@ -168,6 +190,7 @@ characters listed in the table below (again, case doesn't matter): \twocolitem{{\tt END}}{End key} \twocolitem{{\tt SPACE}}{Space} \twocolitem{{\tt TAB}}{Tab key} +\twocolitem{{\tt ESC} or {\tt ESCAPE}}{Escape key (Windows only)} \end{twocollist} \wxheading{See also} @@ -180,7 +203,8 @@ characters listed in the table below (again, case doesn't matter): \helpref{wxMenu::SetHelpString}{wxmenusethelpstring}, \helpref{wxMenuItem}{wxmenuitem} \pythonnote{In place of a single overloaded method name, wxPython -implements the following methods:\par +implements the following methods: + \indented{2cm}{\begin{twocollist} \twocolitem{{\bf Append(id, string, helpStr="", checkable=false)}}{} \twocolitem{{\bf AppendMenu(id, string, aMenu, helpStr="")}}{} @@ -190,7 +214,7 @@ implements the following methods:\par \membersection{wxMenu::AppendCheckItem}\label{wxmenuappendcheckitem} -\func{void}{AppendCheckItem}{\param{int}{ id},\rtfsp +\func{wxMenuItem*}{AppendCheckItem}{\param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} Adds a checkable item to the end of the menu. @@ -202,7 +226,7 @@ Adds a checkable item to the end of the menu. \membersection{wxMenu::AppendRadioItem}\label{wxmenuappendradioitem} -\func{void}{AppendRadioItem}{\param{int}{ id},\rtfsp +\func{wxMenuItem*}{AppendRadioItem}{\param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} Adds a radio item to the end of the menu. All consequent radio items form a @@ -219,7 +243,7 @@ automatically unchecked. \membersection{wxMenu::AppendSeparator}\label{wxmenuappendseparator} -\func{void}{AppendSeparator}{\void} +\func{wxMenuItem*}{AppendSeparator}{\void} Adds a separator to the end of the menu. @@ -331,12 +355,12 @@ context it returns a 2-element list {\tt ( item, submenu )}} \docparam{id}{Menu item identifier.} -\docparam{menu}{If the pointer is not NULL, it will be filled with the items +\docparam{menu}{If the pointer is not NULL, it will be filled with the item's parent menu (if the item was found)} \wxheading{Return value} -First form: menu item identifier, or wxNOT\_FOUND if none is found. +First form: menu item identifier, or {\tt wxNOT\_FOUND} if none is found. Second form: returns the menu item object, or NULL if it is not found. @@ -348,6 +372,12 @@ before matching. \pythonnote{The name of this method in wxPython is {\tt FindItemById} and it does not support the second parameter.} +\membersection{wxMenu::FindItemByPosition}\label{wxmenufinditembyposition} + +\constfunc{wxMenuItem*}{FindItemByPosition}{\param{size\_t }{position}} + +Returns the wxMenuItem given a position in the menu. + \membersection{wxMenu::GetHelpString}\label{wxmenugethelpstring} \constfunc{wxString}{GetHelpString}{\param{int}{ id}} @@ -416,14 +446,14 @@ menubar. \membersection{wxMenu::Insert}\label{wxmenuinsert} -\func{bool}{Insert}{\param{size\_t }{pos}, \param{wxMenuItem *}{item}} +\func{wxMenuItem*}{Insert}{\param{size\_t }{pos}, \param{wxMenuItem *}{item}} -\func{void}{Insert}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp +\func{wxMenuItem*}{Insert}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""},\rtfsp \param{wxItemKind}{ kind = wxITEM\_NORMAL}} Inserts the given {\it item} before the position {\it pos}. Inserting the item -at the position \helpref{GetMenuItemCount}{wxmenugetmenuitemcount} is the same +at position \helpref{GetMenuItemCount}{wxmenugetmenuitemcount} is the same as appending it. \wxheading{See also} @@ -433,7 +463,7 @@ as appending it. \membersection{wxMenu::InsertCheckItem}\label{wxmenuinsertcheckitem} -\func{void}{InsertCheckItem}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp +\func{wxMenuItem*}{InsertCheckItem}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} Inserts a checkable item at the given position. @@ -445,7 +475,7 @@ Inserts a checkable item at the given position. \membersection{wxMenu::InsertRadioItem}\label{wxmenuinsertradioitem} -\func{void}{InsertRadioItem}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp +\func{wxMenuItem*}{InsertRadioItem}{\param{size\_t }{pos}, \param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} Inserts a radio item at the given position. @@ -457,7 +487,7 @@ Inserts a radio item at the given position. \membersection{wxMenu::InsertSeparator}\label{wxmenuinsertseparator} -\func{void}{InsertSeparator}{\param{size\_t }{pos}} +\func{wxMenuItem*}{InsertSeparator}{\param{size\_t }{pos}} Inserts a separator at the given position. @@ -504,26 +534,26 @@ true if the menu item is enabled, false otherwise. \membersection{wxMenu::Prepend}\label{wxmenuprepend} -\func{bool}{Prepend}{\param{wxMenuItem *}{item}} +\func{wxMenuItem*}{Prepend}{\param{wxMenuItem *}{item}} -\func{void}{Prepend}{\param{int}{ id},\rtfsp +\func{wxMenuItem*}{Prepend}{\param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""},\rtfsp \param{wxItemKind}{ kind = wxITEM\_NORMAL}} -Inserts the given {\it item} at the position $0$, i.e. before all the other +Inserts the given {\it item} at position $0$, i.e. before all the other existing items. \wxheading{See also} \helpref{wxMenu::Append}{wxmenuappend},\rtfsp -\helpref{wxMenu::Inserts}{wxmenuinsert} +\helpref{wxMenu::Insert}{wxmenuinsert} \membersection{wxMenu::PrependCheckItem}\label{wxmenuprependcheckitem} -\func{void}{PrependCheckItem}{\param{int}{ id},\rtfsp +\func{wxMenuItem*}{PrependCheckItem}{\param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} -Inserts a checkable item at the position $0$. +Inserts a checkable item at position $0$. \wxheading{See also} @@ -532,10 +562,10 @@ Inserts a checkable item at the position $0$. \membersection{wxMenu::PrependRadioItem}\label{wxmenuprependradioitem} -\func{void}{PrependRadioItem}{\param{int}{ id},\rtfsp +\func{wxMenuItem*}{PrependRadioItem}{\param{int}{ id},\rtfsp \param{const wxString\& }{ item}, \param{const wxString\& }{helpString = ""}} -Inserts a radio item at the position $0$. +Inserts a radio item at position $0$. \wxheading{See also} @@ -544,9 +574,9 @@ Inserts a radio item at the position $0$. \membersection{wxMenu::PrependSeparator}\label{wxmenuprependseparator} -\func{void}{PrependSeparator}{\param{size\_t }{pos}} +\func{wxMenuItem*}{PrependSeparator}{\void} -Inserts a separator at the position $0$. +Inserts a separator at position $0$. \wxheading{See also} @@ -643,6 +673,7 @@ A menu bar is a series of menus accessible from the top of a frame. \wxheading{Derived from} +\helpref{wxWindow}{wxwindow}\\ \helpref{wxEvtHandler}{wxevthandler}\\ \helpref{wxObject}{wxobject} @@ -657,12 +688,6 @@ that contains the menu bar. If you have a toolbar which uses the same identifier as your EVT\_MENU entries, events from the toolbar will also be processed by your EVT\_MENU event handlers. -Note that menu commands (and UI update events for menus) are first sent to -the focus window within the frame. If no window within the frame has the focus, -then the events are sent directly to the frame. This allows command and UI update -handling to be processed by specific windows and controls, and not necessarily -by the application frame. - {\bf Tip:} under Windows, if you discover that menu shortcuts (for example, Alt-F to show the file menu) are not working, check any EVT\_CHAR events you are handling in child windows. If you are not calling {\tt event.Skip()} for events that you don't process in these event handlers, @@ -674,13 +699,13 @@ menu shortcuts may cease to work. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxMenuBar::wxMenuBar}\label{wxmenubarconstr} +\membersection{wxMenuBar::wxMenuBar}\label{wxmenubarctor} -\func{void}{wxMenuBar}{\param{long }{style = 0}} +\func{}{wxMenuBar}{\param{long }{style = 0}} Default constructor. -\func{void}{wxMenuBar}{\param{int}{ n}, \param{wxMenu*}{ menus[]}, \param{const wxString }{titles[]}} +\func{}{wxMenuBar}{\param{size\_t}{ n}, \param{wxMenu*}{ menus[]}, \param{const wxString }{titles[]}, \param{long }{style = 0}} Construct a menu bar from arrays of menus and titles. @@ -696,12 +721,12 @@ menu bar.} \docparam{style}{If {\tt wxMB\_DOCKABLE} the menu bar can be detached (wxGTK only).} \pythonnote{Only the default constructor is supported in wxPython. -Use wxMenuBar.Append instead.} +Use \helpref{wxMenuBar::Append}{wxmenubarappend} instead.} \perlnote{wxPerl only supports the first constructor: -use {\tt Append} instead.} +use \helpref{wxMenuBar::Append}{wxmenubarappend} instead.} -\membersection{wxMenuBar::\destruct{wxMenuBar}} +\membersection{wxMenuBar::\destruct{wxMenuBar}}\label{wxmenubardtor} \func{void}{\destruct{wxMenuBar}}{\void} @@ -782,7 +807,7 @@ associated with a frame. \constfunc{int}{FindMenu}{\param{const wxString\& }{title}} -Returns the index of the menu with the given {\it title} or wxNOT\_FOUND if no +Returns the index of the menu with the given {\it title} or {\tt wxNOT\_FOUND} if no such menu exists in this menubar. The {\it title} parameter may specify either the menu title (with accelerator characters, i.e. {\tt "\&File"}) or just the menu label ({\tt "File"}) indifferently. @@ -801,7 +826,7 @@ Finds the menu item id for a menu name/menu item string pair. \wxheading{Return value} -The menu item identifier, or wxNOT\_FOUND if none was found. +The menu item identifier, or {\tt wxNOT\_FOUND} if none was found. \wxheading{Remarks} @@ -985,7 +1010,7 @@ Replaces the menu at the given position with another one. \wxheading{Return value} -The menu which was previously at the position {\it pos}. The caller is +The menu which was previously at position {\it pos}. The caller is responsible for deleting it. \wxheading{See also}