wxWidgets/include/wx/msw/menu.h
Vadim Zeitlin e4a23857ec Implement wxMenuBar::EnableTop() for wxMSW and wxGTK.
This method was only available in wxUniv before and just always returned true
in the other ports. Implement it for wxMSW and wxGTK too now and document it.
Also add a unit test.

Closes #795.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70350 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-01-15 13:41:17 +00:00

263 lines
7.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/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
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MENU_H_
#define _WX_MENU_H_
#if wxUSE_ACCEL
#include "wx/accel.h"
#include "wx/dynarray.h"
WX_DEFINE_EXPORTED_ARRAY_PTR(wxAcceleratorEntry *, wxAcceleratorArray);
#endif // wxUSE_ACCEL
class WXDLLIMPEXP_FWD_CORE wxFrame;
#if defined(__WXWINCE__) && wxUSE_TOOLBAR
class WXDLLIMPEXP_FWD_CORE wxToolBar;
#endif
class wxMenuRadioItemsData;
// Not using a combined wxToolBar/wxMenuBar? then use
// a commandbar in WinCE .NET to implement the
// menubar, since there is no ::SetMenu function.
#if defined(__WXWINCE__)
# if ((_WIN32_WCE >= 400) && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)) || \
defined(__HANDHELDPC__)
# define WINCE_WITH_COMMANDBAR
# else
# define WINCE_WITHOUT_COMMANDBAR
# endif
#endif
#include "wx/arrstr.h"
// ----------------------------------------------------------------------------
// Menu
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE 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();
virtual void Break();
virtual void SetTitle(const wxString& title);
// MSW-only methods
// ----------------
// Create a new menu from the given native HMENU. Takes ownership of the
// menu handle and will delete it when this object is destroyed.
static wxMenu *MSWNewFromHMENU(WXHMENU hMenu) { return new wxMenu(hMenu); }
// implementation only from now on
// -------------------------------
bool MSWCommand(WXUINT param, WXWORD id);
// get the native menu handle
WXHMENU GetHMenu() const { return m_hMenu; }
// Return the start and end position of the radio group to which the item
// at the given position belongs. Returns false if there is no radio group
// containing this position.
bool MSWGetRadioGroupRange(int pos, int *start, int *end) const;
#if wxUSE_ACCEL
// called by wxMenuBar to build its accel table from the accels of all menus
bool HasAccels() const { return !m_accels.empty(); }
size_t GetAccelCount() const { return m_accels.size(); }
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;
// used only by wxMDIParentFrame currently but could be useful elsewhere:
// returns a new accelerator table with accelerators for just this menu
// (shouldn't be called if we don't have any accelerators)
wxAcceleratorTable *CreateAccelTable() const;
#endif // wxUSE_ACCEL
#if wxUSE_OWNER_DRAWN
int GetMaxAccelWidth()
{
if (m_maxAccelWidth == -1)
CalculateMaxAccelWidth();
return m_maxAccelWidth;
}
void ResetMaxAccelWidth()
{
m_maxAccelWidth = -1;
}
// get the menu with given handle (recursively)
wxMenu* MSWGetMenu(WXHMENU hMenu);
private:
void CalculateMaxAccelWidth();
#endif // wxUSE_OWNER_DRAWN
protected:
virtual wxMenuItem* DoAppend(wxMenuItem *item);
virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
virtual wxMenuItem* DoRemove(wxMenuItem *item);
private:
// This constructor is private, use MSWNewFromHMENU() to use it.
wxMenu(WXHMENU hMenu);
// Common part of all ctors, it doesn't create a new HMENU.
void InitNoCreate();
// Common part of all ctors except of the one above taking a native menu
// handler: calls InitNoCreate() and also creates a new menu.
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);
// This variable contains the description of the radio item groups and
// allows to find whether an item at the given position is part of the
// group and also where its group starts and ends.
//
// It is initially NULL and only allocated if we have any radio items.
wxMenuRadioItemsData *m_radioData;
// 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
#if wxUSE_OWNER_DRAWN
// true if the menu has any ownerdrawn items
bool m_ownerDrawn;
// the max width of menu items bitmaps
int m_maxBitmapWidth;
// the max width of menu items accels
int m_maxAccelWidth;
#endif // wxUSE_OWNER_DRAWN
DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
};
// ----------------------------------------------------------------------------
// Menu Bar (a la Windows)
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE 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(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
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 void EnableTop( size_t pos, bool flag );
virtual bool IsEnabledTop(size_t pos) const;
virtual void SetMenuLabel( size_t pos, const wxString& label );
virtual wxString GetMenuLabel( size_t pos ) const;
// implementation from now on
WXHMENU Create();
virtual void Detach();
virtual void Attach(wxFrame *frame);
#if defined(__WXWINCE__) && wxUSE_TOOLBAR
// Under WinCE, a menubar is owned by the frame's toolbar
void SetToolBar(wxToolBar* toolBar) { m_toolBar = toolBar; }
wxToolBar* GetToolBar() const { return m_toolBar; }
#endif
#ifdef WINCE_WITH_COMMANDBAR
WXHWND GetCommandBar() const { return m_commandBar; }
bool AddAdornments(long style);
#endif
#if wxUSE_ACCEL
// update the accel table (must be called after adding/deleting 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();
// To avoid compile warning
void Refresh( bool eraseBackground,
const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
// get the menu with given handle (recursively)
wxMenu* MSWGetMenu(WXHMENU hMenu);
protected:
// common part of all ctors
void Init();
WXHMENU m_hMenu;
// Return the MSW position for a wxMenu which is sometimes different from
// the wxWidgets position.
int MSWPositionForWxMenu(wxMenu *menu, int wxpos);
#if defined(__WXWINCE__) && wxUSE_TOOLBAR
wxToolBar* m_toolBar;
#endif
#ifdef WINCE_WITH_COMMANDBAR
WXHWND m_commandBar;
bool m_adornmentsAdded;
#endif
private:
DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
};
#endif // _WX_MENU_H_