zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/menu.h
2021-06-28 10:54:57 +03:00

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21 KiB
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///////////////////////////////////////////////////////////////////////////////
// Name: wx/menu.h
// Purpose: wxMenu and wxMenuBar classes
// Author: Vadim Zeitlin
// Modified by:
// Created: 26.10.99
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MENU_H_BASE_
#define _WX_MENU_H_BASE_
#include "wx/defs.h"
#if wxUSE_MENUS
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/list.h" // for "template" list classes
#include "wx/window.h" // base class for wxMenuBar
// also include this one to ensure compatibility with old code which only
// included wx/menu.h
#include "wx/menuitem.h"
class WXDLLIMPEXP_FWD_CORE wxFrame;
class WXDLLIMPEXP_FWD_CORE wxMenu;
class WXDLLIMPEXP_FWD_CORE wxMenuBarBase;
class WXDLLIMPEXP_FWD_CORE wxMenuBar;
class WXDLLIMPEXP_FWD_CORE wxMenuItem;
// pseudo template list classes
WX_DECLARE_EXPORTED_LIST(wxMenu, wxMenuList);
WX_DECLARE_EXPORTED_LIST(wxMenuItem, wxMenuItemList);
// ----------------------------------------------------------------------------
// wxMenu
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxMenuBase : public wxEvtHandler
{
public:
// create a menu
static wxMenu *New(const wxString& title = wxEmptyString, long style = 0);
// ctors
wxMenuBase(const wxString& title, long style = 0) : m_title(title)
{ Init(style); }
wxMenuBase(long style = 0)
{ Init(style); }
// dtor deletes all the menu items we own
virtual ~wxMenuBase();
// menu construction
// -----------------
// append any kind of item (normal/check/radio/separator)
wxMenuItem* Append(int itemid,
const wxString& text = wxEmptyString,
const wxString& help = wxEmptyString,
wxItemKind kind = wxITEM_NORMAL)
{
return DoAppend(wxMenuItem::New((wxMenu *)this, itemid, text, help, kind));
}
// append a separator to the menu
wxMenuItem* AppendSeparator() { return Append(wxID_SEPARATOR); }
// append a check item
wxMenuItem* AppendCheckItem(int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return Append(itemid, text, help, wxITEM_CHECK);
}
// append a radio item
wxMenuItem* AppendRadioItem(int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return Append(itemid, text, help, wxITEM_RADIO);
}
// append a submenu
wxMenuItem* AppendSubMenu(wxMenu *submenu,
const wxString& text,
const wxString& help = wxEmptyString)
{
return DoAppend(wxMenuItem::New((wxMenu *)this, wxID_ANY, text, help,
wxITEM_NORMAL, submenu));
}
// the most generic form of Append() - append anything
wxMenuItem* Append(wxMenuItem *item) { return DoAppend(item); }
// insert a break in the menu (only works when appending the items, not
// inserting them)
virtual void Break() { }
// insert an item before given position
wxMenuItem* Insert(size_t pos, wxMenuItem *item);
// insert an item before given position
wxMenuItem* Insert(size_t pos,
int itemid,
const wxString& text = wxEmptyString,
const wxString& help = wxEmptyString,
wxItemKind kind = wxITEM_NORMAL)
{
return Insert(pos, wxMenuItem::New((wxMenu *)this, itemid, text, help, kind));
}
// insert a separator
wxMenuItem* InsertSeparator(size_t pos)
{
return Insert(pos, wxMenuItem::New((wxMenu *)this, wxID_SEPARATOR));
}
// insert a check item
wxMenuItem* InsertCheckItem(size_t pos,
int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return Insert(pos, itemid, text, help, wxITEM_CHECK);
}
// insert a radio item
wxMenuItem* InsertRadioItem(size_t pos,
int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return Insert(pos, itemid, text, help, wxITEM_RADIO);
}
// insert a submenu
wxMenuItem* Insert(size_t pos,
int itemid,
const wxString& text,
wxMenu *submenu,
const wxString& help = wxEmptyString)
{
return Insert(pos, wxMenuItem::New((wxMenu *)this, itemid, text, help,
wxITEM_NORMAL, submenu));
}
// prepend an item to the menu
wxMenuItem* Prepend(wxMenuItem *item)
{
return Insert(0u, item);
}
// prepend any item to the menu
wxMenuItem* Prepend(int itemid,
const wxString& text = wxEmptyString,
const wxString& help = wxEmptyString,
wxItemKind kind = wxITEM_NORMAL)
{
return Insert(0u, itemid, text, help, kind);
}
// prepend a separator
wxMenuItem* PrependSeparator()
{
return InsertSeparator(0u);
}
// prepend a check item
wxMenuItem* PrependCheckItem(int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return InsertCheckItem(0u, itemid, text, help);
}
// prepend a radio item
wxMenuItem* PrependRadioItem(int itemid,
const wxString& text,
const wxString& help = wxEmptyString)
{
return InsertRadioItem(0u, itemid, text, help);
}
// prepend a submenu
wxMenuItem* Prepend(int itemid,
const wxString& text,
wxMenu *submenu,
const wxString& help = wxEmptyString)
{
return Insert(0u, itemid, text, submenu, help);
}
// detach an item from the menu, but don't delete it so that it can be
// added back later (but if it's not, the caller is responsible for
// deleting it!)
wxMenuItem *Remove(int itemid) { return Remove(FindChildItem(itemid)); }
wxMenuItem *Remove(wxMenuItem *item);
// delete an item from the menu (submenus are not destroyed by this
// function, see Destroy)
bool Delete(int itemid) { return Delete(FindChildItem(itemid)); }
bool Delete(wxMenuItem *item);
// delete the item from menu and destroy it (if it's a submenu)
bool Destroy(int itemid) { return Destroy(FindChildItem(itemid)); }
bool Destroy(wxMenuItem *item);
// menu items access
// -----------------
// get the items
size_t GetMenuItemCount() const { return m_items.GetCount(); }
const wxMenuItemList& GetMenuItems() const { return m_items; }
wxMenuItemList& GetMenuItems() { return m_items; }
// search
virtual int FindItem(const wxString& item) const;
wxMenuItem* FindItem(int itemid, wxMenu **menu = NULL) const;
// find by position
wxMenuItem* FindItemByPosition(size_t position) const;
// get/set items attributes
void Enable(int itemid, bool enable);
bool IsEnabled(int itemid) const;
void Check(int itemid, bool check);
bool IsChecked(int itemid) const;
void SetLabel(int itemid, const wxString& label);
wxString GetLabel(int itemid) const;
// Returns the stripped label
wxString GetLabelText(int itemid) const { return wxMenuItem::GetLabelText(GetLabel(itemid)); }
virtual void SetHelpString(int itemid, const wxString& helpString);
virtual wxString GetHelpString(int itemid) const;
// misc accessors
// --------------
// the title
virtual void SetTitle(const wxString& title) { m_title = title; }
const wxString& GetTitle() const { return m_title; }
// event handler
void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
// Invoking window: this is set by wxWindow::PopupMenu() before showing a
// popup menu and reset after it's hidden. Notice that you probably want to
// use GetWindow() below instead of GetInvokingWindow() as the latter only
// returns non-NULL for the top level menus
//
// NB: avoid calling SetInvokingWindow() directly if possible, use
// wxMenuInvokingWindowSetter class below instead
void SetInvokingWindow(wxWindow *win);
wxWindow *GetInvokingWindow() const { return m_invokingWindow; }
// the window associated with this menu: this is the invoking window for
// popup menus or the top level window to which the menu bar is attached
// for menus which are part of a menu bar
wxWindow *GetWindow() const;
// style
long GetStyle() const { return m_style; }
// implementation helpers
// ----------------------
// Updates the UI for a menu and all submenus recursively by generating
// wxEVT_UPDATE_UI for all the items.
//
// Do not use the "source" argument, it allows to override the event
// handler to use for these events, but this should never be needed.
void UpdateUI(wxEvtHandler* source = NULL);
#if wxUSE_MENUBAR
// get the menu bar this menu is attached to (may be NULL, always NULL for
// popup menus). Traverse up the menu hierarchy to find it.
wxMenuBar *GetMenuBar() const;
// called when the menu is attached/detached to/from a menu bar
virtual void Attach(wxMenuBarBase *menubar);
virtual void Detach();
// is the menu attached to a menu bar (or is it a popup one)?
bool IsAttached() const { return GetMenuBar() != NULL; }
#endif
// set/get the parent of this menu
void SetParent(wxMenu *parent) { m_menuParent = parent; }
wxMenu *GetParent() const { return m_menuParent; }
// implementation only from now on
// -------------------------------
// unlike FindItem(), this function doesn't recurse but only looks through
// our direct children and also may return the index of the found child if
// pos != NULL
wxMenuItem *FindChildItem(int itemid, size_t *pos = NULL) const;
// called to generate a wxCommandEvent, return true if it was processed,
// false otherwise
//
// the checked parameter may have boolean value or -1 for uncheckable items
bool SendEvent(int itemid, int checked = -1);
// called to dispatch a wxMenuEvent to the right recipients, menu pointer
// can be NULL if we failed to find the associated menu (this happens at
// least in wxMSW for the events from the system menus)
static
bool ProcessMenuEvent(wxMenu* menu, wxMenuEvent& event, wxWindow* win);
// compatibility: these functions are deprecated, use the new ones instead
// -----------------------------------------------------------------------
// use the versions taking wxItem_XXX now instead, they're more readable
// and allow adding the radio items as well
void Append(int itemid,
const wxString& text,
const wxString& help,
bool isCheckable)
{
Append(itemid, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL);
}
// use more readable and not requiring unused itemid AppendSubMenu() instead
wxMenuItem* Append(int itemid,
const wxString& text,
wxMenu *submenu,
const wxString& help = wxEmptyString)
{
return DoAppend(wxMenuItem::New((wxMenu *)this, itemid, text, help,
wxITEM_NORMAL, submenu));
}
void Insert(size_t pos,
int itemid,
const wxString& text,
const wxString& help,
bool isCheckable)
{
Insert(pos, itemid, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL);
}
void Prepend(int itemid,
const wxString& text,
const wxString& help,
bool isCheckable)
{
Insert(0u, itemid, text, help, isCheckable);
}
static void LockAccels(bool locked)
{
ms_locked = locked;
}
protected:
// virtuals to override in derived classes
// ---------------------------------------
virtual wxMenuItem* DoAppend(wxMenuItem *item);
virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
virtual wxMenuItem *DoRemove(wxMenuItem *item);
virtual bool DoDelete(wxMenuItem *item);
virtual bool DoDestroy(wxMenuItem *item);
// helpers
// -------
// common part of all ctors
void Init(long style);
// associate the submenu with this menu
void AddSubMenu(wxMenu *submenu);
wxMenuBar *m_menuBar; // menubar we belong to or NULL
wxMenu *m_menuParent; // parent menu or NULL
wxString m_title; // the menu title or label
wxMenuItemList m_items; // the list of menu items
wxWindow *m_invokingWindow; // for popup menus
long m_style; // combination of wxMENU_XXX flags
wxEvtHandler *m_eventHandler; // a pluggable in event handler
static bool ms_locked;
protected:
// Common part of SendEvent() and ProcessMenuEvent(): sends the event to
// its intended recipients, returns true if it was processed.
static bool DoProcessEvent(wxMenuBase* menu, wxEvent& event, wxWindow* win);
wxDECLARE_NO_COPY_CLASS(wxMenuBase);
};
#if wxUSE_EXTENDED_RTTI
// ----------------------------------------------------------------------------
// XTI accessor
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxMenuInfoHelper : public wxObject
{
public:
wxMenuInfoHelper() { m_menu = NULL; }
virtual ~wxMenuInfoHelper() { }
bool Create( wxMenu *menu, const wxString &title )
{
m_menu = menu;
m_title = title;
return true;
}
wxMenu* GetMenu() const { return m_menu; }
wxString GetTitle() const { return m_title; }
private:
wxMenu *m_menu;
wxString m_title;
wxDECLARE_DYNAMIC_CLASS(wxMenuInfoHelper);
};
WX_DECLARE_EXPORTED_LIST(wxMenuInfoHelper, wxMenuInfoHelperList );
#endif
// ----------------------------------------------------------------------------
// wxMenuBar
// ----------------------------------------------------------------------------
#if wxUSE_MENUBAR
class WXDLLIMPEXP_CORE wxMenuBarBase : public wxWindow
{
public:
// default ctor
wxMenuBarBase();
// dtor will delete all menus we own
virtual ~wxMenuBarBase();
// menu bar construction
// ---------------------
// append a menu to the end of menubar, return true if ok
virtual bool Append(wxMenu *menu, const wxString& title);
// insert a menu before the given position into the menubar, return true
// if inserted ok
virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
// menu bar items access
// ---------------------
// get the number of menus in the menu bar
size_t GetMenuCount() const { return m_menus.GetCount(); }
// get the menu at given position
wxMenu *GetMenu(size_t pos) const;
// replace the menu at given position with another one, returns the
// previous menu (which should be deleted by the caller)
virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
// delete the menu at given position from the menu bar, return the pointer
// to the menu (which should be deleted by the caller)
virtual wxMenu *Remove(size_t pos);
// enable or disable a submenu
virtual void EnableTop(size_t pos, bool enable) = 0;
// is the menu enabled?
virtual bool IsEnabledTop(size_t WXUNUSED(pos)) const { return true; }
// get or change the label of the menu at given position
virtual void SetMenuLabel(size_t pos, const wxString& label) = 0;
virtual wxString GetMenuLabel(size_t pos) const = 0;
// get the stripped label of the menu at given position
virtual wxString GetMenuLabelText(size_t pos) const { return wxMenuItem::GetLabelText(GetMenuLabel(pos)); }
// item search
// -----------
// by menu and item names, returns wxNOT_FOUND if not found or id of the
// found item
virtual int FindMenuItem(const wxString& menu, const wxString& item) const;
// find item by id (in any menu), returns NULL if not found
//
// if menu is !NULL, it will be filled with wxMenu this item belongs to
virtual wxMenuItem* FindItem(int itemid, wxMenu **menu = NULL) const;
// find menu by its caption, return wxNOT_FOUND on failure
int FindMenu(const wxString& title) const;
// item access
// -----------
// all these functions just use FindItem() and then call an appropriate
// method on it
//
// NB: under MSW, these methods can only be used after the menubar had
// been attached to the frame
void Enable(int itemid, bool enable);
void Check(int itemid, bool check);
bool IsChecked(int itemid) const;
bool IsEnabled(int itemid) const;
virtual bool IsEnabled() const { return wxWindow::IsEnabled(); }
void SetLabel(int itemid, const wxString &label);
wxString GetLabel(int itemid) const;
void SetHelpString(int itemid, const wxString& helpString);
wxString GetHelpString(int itemid) const;
// implementation helpers
// get the frame we are attached to (may return NULL)
wxFrame *GetFrame() const { return m_menuBarFrame; }
// returns true if we're attached to a frame
bool IsAttached() const { return GetFrame() != NULL; }
// associate the menubar with the frame
virtual void Attach(wxFrame *frame);
// called before deleting the menubar normally
virtual void Detach();
// need to override these ones to avoid virtual function hiding
virtual bool Enable(bool enable = true) wxOVERRIDE { return wxWindow::Enable(enable); }
virtual void SetLabel(const wxString& s) wxOVERRIDE { wxWindow::SetLabel(s); }
virtual wxString GetLabel() const wxOVERRIDE { return wxWindow::GetLabel(); }
// don't want menu bars to accept the focus by tabbing to them
virtual bool AcceptsFocusFromKeyboard() const wxOVERRIDE { return false; }
// update all menu item states in all menus
virtual void UpdateMenus();
virtual bool CanBeOutsideClientArea() const wxOVERRIDE { return true; }
#if wxUSE_EXTENDED_RTTI
// XTI helpers:
bool AppendMenuInfo( const wxMenuInfoHelper *info )
{ return Append( info->GetMenu(), info->GetTitle() ); }
const wxMenuInfoHelperList& GetMenuInfos() const;
#endif
#if WXWIN_COMPATIBILITY_2_8
// get or change the label of the menu at given position
// Deprecated in favour of SetMenuLabel
wxDEPRECATED( void SetLabelTop(size_t pos, const wxString& label) );
// Deprecated in favour of GetMenuLabelText
wxDEPRECATED( wxString GetLabelTop(size_t pos) const );
#endif
protected:
// the list of all our menus
wxMenuList m_menus;
#if wxUSE_EXTENDED_RTTI
// used by XTI
wxMenuInfoHelperList m_menuInfos;
#endif
// the frame we are attached to (may be NULL)
wxFrame *m_menuBarFrame;
wxDECLARE_NO_COPY_CLASS(wxMenuBarBase);
};
#endif
// ----------------------------------------------------------------------------
// include the real class declaration
// ----------------------------------------------------------------------------
#ifdef wxUSE_BASE_CLASSES_ONLY
#define wxMenuItem wxMenuItemBase
#else // !wxUSE_BASE_CLASSES_ONLY
#if defined(__WXUNIVERSAL__)
#include "wx/univ/menu.h"
#elif defined(__WXMSW__)
#include "wx/msw/menu.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/menu.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/menu.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/menu.h"
#elif defined(__WXMAC__)
#include "wx/osx/menu.h"
#elif defined(__WXQT__)
#include "wx/qt/menu.h"
#endif
#endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY
// ----------------------------------------------------------------------------
// Helper class used in the implementation only: sets the invoking window of
// the given menu in its ctor and resets it in dtor.
// ----------------------------------------------------------------------------
class wxMenuInvokingWindowSetter
{
public:
// Ctor sets the invoking window for the given menu.
//
// The menu lifetime must be greater than that of this class.
wxMenuInvokingWindowSetter(wxMenu& menu, wxWindow *win)
: m_menu(menu)
{
menu.SetInvokingWindow(win);
}
// Dtor resets the invoking window.
~wxMenuInvokingWindowSetter()
{
m_menu.SetInvokingWindow(NULL);
}
private:
wxMenu& m_menu;
wxDECLARE_NO_COPY_CLASS(wxMenuInvokingWindowSetter);
};
#endif // wxUSE_MENUS
#endif // _WX_MENU_H_BASE_