wxWidgets/include/wx/msw/menu.h

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/////////////////////////////////////////////////////////////////////////////
// Name: menu.h
// Purpose: wxMenu, wxMenuBar classes
// Author: Julian Smart
// Modified by: Vadim Zeitlin (wxMenuItem is now in separate file)
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MENU_H_
#define _WX_MENU_H_
#ifdef __GNUG__
#pragma interface "menu.h"
#endif
#if wxUSE_ACCEL
#include "wx/accel.h"
#include "wx/dynarray.h"
WX_DEFINE_EXPORTED_ARRAY(wxAcceleratorEntry *, wxAcceleratorArray);
#endif // wxUSE_ACCEL
class WXDLLEXPORT wxFrame;
// ----------------------------------------------------------------------------
// Menu
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxMenu : public wxMenuBase
{
public:
// ctors & dtor
wxMenu(const wxString& title, long style = 0)
: wxMenuBase(title, style) { Init(); }
wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
virtual ~wxMenu();
// implement base class virtuals
virtual bool DoAppend(wxMenuItem *item);
virtual bool DoInsert(size_t pos, wxMenuItem *item);
virtual wxMenuItem *DoRemove(wxMenuItem *item);
virtual void Break();
virtual void SetTitle(const wxString& title);
// deprecated functions
#if wxUSE_MENU_CALLBACK
wxMenu(const wxString& title, const wxFunction func)
: wxMenuBase(title)
{
Init();
Callback(func);
}
#endif // wxUSE_MENU_CALLBACK
// MSW-specific
bool ProcessCommand(wxCommandEvent& event);
// implementation only from now on
// -------------------------------
bool MSWCommand(WXUINT param, WXWORD id);
// semi-private accessors
// get the window which contains this menu
wxWindow *GetWindow() const;
// get the menu handle
WXHMENU GetHMenu() const { return m_hMenu; }
// attach/detach menu to/from wxMenuBar
void Attach(wxMenuBar *menubar);
void Detach();
#if wxUSE_ACCEL
// called by wxMenuBar to build its accel table from the accels of all menus
bool HasAccels() const { return !m_accels.IsEmpty(); }
size_t GetAccelCount() const { return m_accels.GetCount(); }
size_t CopyAccels(wxAcceleratorEntry *accels) const;
// called by wxMenuItem when its accels changes
void UpdateAccel(wxMenuItem *item);
// helper used by wxMenu itself (returns the index in m_accels)
int FindAccel(int id) const;
#endif // wxUSE_ACCEL
private:
// common part of all ctors
void Init();
// common part of Append/Insert (behaves as Append is pos == (size_t)-1)
bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
// if TRUE, insert a breal before appending the next item
bool m_doBreak;
// the menu handle of this menu
WXHMENU m_hMenu;
#if wxUSE_ACCEL
// the accelerators for our menu items
wxAcceleratorArray m_accels;
#endif // wxUSE_ACCEL
DECLARE_DYNAMIC_CLASS(wxMenu)
};
// ----------------------------------------------------------------------------
// Menu Bar (a la Windows)
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
{
public:
// ctors & dtor
// default constructor
wxMenuBar();
// unused under MSW
wxMenuBar(long style);
// menubar takes ownership of the menus arrays but copies the titles
wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
virtual ~wxMenuBar();
// menubar construction
virtual bool Append( wxMenu *menu, const wxString &title );
virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
virtual wxMenu *Remove(size_t pos);
virtual int FindMenuItem(const wxString& menuString,
const wxString& itemString) const;
virtual wxMenuItem* FindItem( int id, wxMenu **menu = NULL ) const;
virtual void EnableTop( size_t pos, bool flag );
virtual void SetLabelTop( size_t pos, const wxString& label );
virtual wxString GetLabelTop( size_t pos ) const;
// compatibility: these functions are deprecated
#if WXWIN_COMPATIBILITY
void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
wxEvtHandler *GetEventHandler() { return m_eventHandler; }
bool Enabled(int id) const { return IsEnabled(id); }
bool Checked(int id) const { return IsChecked(id); }
#endif // WXWIN_COMPATIBILITY
// implementation from now on
WXHMENU Create();
void Detach();
// returns TRUE if we're attached to a frame
bool IsAttached() const { return m_menuBarFrame != NULL; }
// get the frame we live in
wxFrame *GetFrame() const { return m_menuBarFrame; }
// attach to a frame
void Attach(wxFrame *frame);
#if wxUSE_ACCEL
// get the accel table for all the menus
const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
// update the accel table (must be called after adding/deletign a menu)
void RebuildAccelTable();
#endif // wxUSE_ACCEL
// get the menu handle
WXHMENU GetHMenu() const { return m_hMenu; }
// if the menubar is modified, the display is not updated automatically,
// call this function to update it (m_menuBarFrame should be !NULL)
void Refresh();
protected:
// common part of all ctors
void Init();
#if WXWIN_COMPATIBILITY
wxEvtHandler *m_eventHandler;
#endif // WXWIN_COMPATIBILITY
wxArrayString m_titles;
wxFrame *m_menuBarFrame;
WXHMENU m_hMenu;
#if wxUSE_ACCEL
// the accelerator table for all accelerators in all our menus
wxAcceleratorTable m_accelTable;
#endif // wxUSE_ACCEL
private:
DECLARE_DYNAMIC_CLASS(wxMenuBar)
};
#endif // _WX_MENU_H_