X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..721a4a08bce5245dd748a9f4c64c5d25a02e8155:/include/wx/menu.h diff --git a/include/wx/menu.h b/include/wx/menu.h index 9a9335729d..293ce4a763 100644 --- a/include/wx/menu.h +++ b/include/wx/menu.h @@ -1,13 +1,468 @@ -#ifndef __MENUH_BASE__ -#define __MENUH_BASE__ - -#if defined(__WINDOWS__) -#include "wx/msw/menu.h" -#elif defined(__MOTIF__) -#include "wx/xt/menu.h" -#elif defined(__GTK__) -#include "wx/gtk/menu.h" +/////////////////////////////////////////////////////////////////////////////// +// Name: wx/menu.h +// Purpose: wxMenu and wxMenuBar classes +// Author: Vadim Zeitlin +// Modified by: +// Created: 26.10.99 +// RCS-ID: $Id$ +// Copyright: (c) wxWindows team +// Licence: wxWindows license +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _WX_MENU_H_BASE_ +#define _WX_MENU_H_BASE_ + +#ifdef __GNUG__ + #pragma interface "menubase.h" +#endif + +#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 WXDLLEXPORT wxMenu; +class WXDLLEXPORT wxMenuBarBase; +class WXDLLEXPORT wxMenuBar; +class WXDLLEXPORT wxMenuItem; + +// pseudo template list classes +WX_DECLARE_EXPORTED_LIST(wxMenu, wxMenuList); +WX_DECLARE_EXPORTED_LIST(wxMenuItem, wxMenuItemList); + +// ---------------------------------------------------------------------------- +// conditional compilation +// ---------------------------------------------------------------------------- + +// having callbacks in menus is a wxWin 1.6x feature which should be replaced +// with event tables in wxWin 2.xx code - however provide it because many +// people like it a lot by default +#ifndef wxUSE_MENU_CALLBACK + #if WXWIN_COMPATIBILITY_2 + #define wxUSE_MENU_CALLBACK 1 + #else + #define wxUSE_MENU_CALLBACK 0 + #endif // WXWIN_COMPATIBILITY_2 +#endif // !defined(wxUSE_MENU_CALLBACK) + +// ---------------------------------------------------------------------------- +// wxMenu +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT 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 a normal item to the menu + void Append(int id, + const wxString& text, + const wxString& help = wxEmptyString, + bool isCheckable = FALSE) + { + DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable)); + } + + // append a separator to the menu + void AppendSeparator() { Append(wxID_SEPARATOR, wxEmptyString); } + + // append a submenu + void Append(int id, + const wxString& text, + wxMenu *submenu, + const wxString& help = wxEmptyString) + { + DoAppend(wxMenuItem::New((wxMenu *)this, id, text, help, FALSE, submenu)); + } + + // the most generic form of Append() - append anything + void Append(wxMenuItem *item) { 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 + bool Insert(size_t pos, wxMenuItem *item); + void Insert(size_t pos, + int id, + const wxString& text, + const wxString& help = wxEmptyString, + bool isCheckable = FALSE) + { + Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, isCheckable)); + } + + // insert a separator + void InsertSeparator(size_t pos) + { + Insert(pos, wxMenuItem::New((wxMenu *)this)); + } + + // insert a submenu + void Insert(size_t pos, + int id, + const wxString& text, + wxMenu *submenu, + const wxString& help = wxEmptyString) + { + Insert(pos, wxMenuItem::New((wxMenu *)this, id, text, help, FALSE, submenu)); + } + + // prepend an item to the menu + void Prepend(wxMenuItem *item) + { + Insert(0u, item); + } + + void Prepend(int id, + const wxString& text, + const wxString& help = wxEmptyString, + bool isCheckable = FALSE) + { + Insert(0u, id, text, help, isCheckable); + } + + // insert a separator + void PrependSeparator() + { + InsertSeparator(0u); + } + + // insert a submenu + void Prepend(int id, + const wxString& text, + wxMenu *submenu, + const wxString& help = wxEmptyString) + { + Insert(0u, id, 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 id) { return Remove(FindChildItem(id)); } + wxMenuItem *Remove(wxMenuItem *item); + + // delete an item from the menu (submenus are not destroyed by this + // function, see Destroy) + bool Delete(int id) { return Delete(FindChildItem(id)); } + bool Delete(wxMenuItem *item); + + // delete the item from menu and destroy it (if it's a submenu) + bool Destroy(int id) { return Destroy(FindChildItem(id)); } + 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 id, wxMenu **menu = NULL) const; + + // get/set items attributes + void Enable(int id, bool enable); + bool IsEnabled(int id) const; + + void Check(int id, bool check); + bool IsChecked(int id) const; + + void SetLabel(int id, const wxString& label); + wxString GetLabel(int id) const; + + virtual void SetHelpString(int id, const wxString& helpString); + virtual wxString GetHelpString(int id) const; + + // misc accessors + // -------------- + + // the title + virtual void SetTitle(const wxString& title) { m_title = title; } + const wxString GetTitle() const { return m_title; } + + // client data + void SetClientData(void* clientData) { m_clientData = clientData; } + void* GetClientData() const { return m_clientData; } + + // event handler + void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; } + wxEvtHandler *GetEventHandler() const { return m_eventHandler; } + + // invoking window + void SetInvokingWindow(wxWindow *win) { m_invokingWindow = win; } + wxWindow *GetInvokingWindow() const { return m_invokingWindow; } + + // style + long GetStyle() const { return m_style; } + + // implementation helpers + // ---------------------- + + // Updates the UI for a menu and all submenus recursively. source is the + // object that has the update event handlers defined for it. If NULL, the + // menu or associated window will be used. + void UpdateUI(wxEvtHandler* source = (wxEvtHandler*)NULL); + + // get the menu bar this menu is attached to (may be NULL, always NULL for + // popup menus) + wxMenuBar *GetMenuBar() const { return m_menuBar; } + + // 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 m_menuBar != NULL; } + + // set/get the parent of this menu + void SetParent(wxMenu *parent) { m_menuParent = parent; } + wxMenu *GetParent() const { return m_menuParent; } + +#if WXWIN_COMPATIBILITY + // compatibility: these functions are deprecated, use the new ones instead + bool Enabled(int id) const { return IsEnabled(id); } + bool Checked(int id) const { return IsChecked(id); } + + wxMenuItem* FindItemForId(int itemId, wxMenu **itemMenu) const + { return FindItem(itemId, itemMenu); } + + wxList& GetItems() const { return (wxList &)m_items; } +#endif // WXWIN_COMPATIBILITY + +#if wxUSE_MENU_CALLBACK || defined(__WXMOTIF__) + // wxWin 1.6x compatible menu event handling + wxFunction GetCallback() const { return m_callback; } + void Callback(const wxFunction func) { m_callback = func; } + + wxFunction m_callback; +#endif // wxUSE_MENU_CALLBACK + + // 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 id, 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 id, int checked = -1); + +protected: + // virtuals to override in derived classes + // --------------------------------------- + + virtual bool DoAppend(wxMenuItem *item); + virtual bool 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 + void *m_clientData; // associated with the menu + + long m_style; // combination of wxMENU_XXX flags + + wxEvtHandler *m_eventHandler; // a pluggable in event handler +}; + +// ---------------------------------------------------------------------------- +// wxMenuBar +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT 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 pos) const { return TRUE; } + + // get or change the label of the menu at given position + virtual void SetLabelTop(size_t pos, const wxString& label) = 0; + virtual wxString GetLabelTop(size_t pos) const = 0; + + // 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 id, 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 id, bool enable); + void Check(int id, bool check); + bool IsChecked(int id) const; + bool IsEnabled(int id) const; + + void SetLabel(int id, const wxString &label); + wxString GetLabel(int id) const; + + void SetHelpString(int id, const wxString& helpString); + wxString GetHelpString(int id) 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) { return wxWindow::Enable(enable); } + virtual void SetLabel(const wxString& s) { wxWindow::SetLabel(s); } + virtual wxString GetLabel() const { return wxWindow::GetLabel(); } + + // don't want menu bars to accept the focus by tabbing to them + virtual bool AcceptsFocusFromKeyboard() const { return FALSE; } + + // compatibility only: these functions are deprecated, use the new ones + // instead +#if WXWIN_COMPATIBILITY + bool Enabled(int id) const { return IsEnabled(id); } + bool Checked(int id) const { return IsChecked(id); } + + wxMenuItem* FindMenuItemById(int id) const + { return FindItem(id); } + wxMenuItem* FindItemForId(int id, wxMenu **menu = NULL) const + { return FindItem(id, menu); } +#endif // WXWIN_COMPATIBILITY + +protected: + // the list of all our menus + wxMenuList m_menus; + + // the frame we are attached to (may be NULL) + wxFrame *m_menuBarFrame; +}; + +// ---------------------------------------------------------------------------- +// 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(__WXGTK__) + #include "wx/gtk/menu.h" +#elif defined(__WXQT__) + #include "wx/qt/menu.h" +#elif defined(__WXMAC__) + #include "wx/mac/menu.h" +#elif defined(__WXPM__) + #include "wx/os2/menu.h" +#elif defined(__WXSTUBS__) + #include "wx/stubs/menu.h" #endif +#endif // wxUSE_BASE_CLASSES_ONLY/!wxUSE_BASE_CLASSES_ONLY + +#endif // wxUSE_MENUS #endif - // __MENUH_BASE__ + // _WX_MENU_H_BASE_