bf08ea2666
Windows still sends these messages even if a top level menu is disabled, for some reason, so filter them out manually. Closes #2168. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78247 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
268 lines
8.1 KiB
C++
268 lines
8.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/menu.h
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// Purpose: wxMenu, wxMenuBar classes
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// Author: Julian Smart
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// Modified by: Vadim Zeitlin (wxMenuItem is now in separate file)
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// Created: 01/02/97
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MENU_H_
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#define _WX_MENU_H_
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#if wxUSE_ACCEL
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#include "wx/accel.h"
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#include "wx/dynarray.h"
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WX_DEFINE_EXPORTED_ARRAY_PTR(wxAcceleratorEntry *, wxAcceleratorArray);
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#endif // wxUSE_ACCEL
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class WXDLLIMPEXP_FWD_CORE wxFrame;
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#if defined(__WXWINCE__) && wxUSE_TOOLBAR
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class WXDLLIMPEXP_FWD_CORE wxToolBar;
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#endif
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class wxMenuRadioItemsData;
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// Not using a combined wxToolBar/wxMenuBar? then use
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// a commandbar in WinCE .NET to implement the
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// menubar, since there is no ::SetMenu function.
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#if defined(__WXWINCE__)
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# if ((_WIN32_WCE >= 400) && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)) || \
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defined(__HANDHELDPC__)
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# define WINCE_WITH_COMMANDBAR
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# else
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# define WINCE_WITHOUT_COMMANDBAR
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# endif
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#endif
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#include "wx/arrstr.h"
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// ----------------------------------------------------------------------------
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// Menu
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMenu : public wxMenuBase
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{
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public:
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// ctors & dtor
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wxMenu(const wxString& title, long style = 0)
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: wxMenuBase(title, style) { Init(); }
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wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
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virtual ~wxMenu();
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virtual void Break();
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virtual void SetTitle(const wxString& title);
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// MSW-only methods
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// ----------------
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// Create a new menu from the given native HMENU. Takes ownership of the
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// menu handle and will delete it when this object is destroyed.
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static wxMenu *MSWNewFromHMENU(WXHMENU hMenu) { return new wxMenu(hMenu); }
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// Detaches HMENU so that it isn't deleted when this object is destroyed.
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// Don't use this object after calling this method.
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WXHMENU MSWDetachHMENU() { WXHMENU m = m_hMenu; m_hMenu = NULL; return m; }
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// implementation only from now on
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// -------------------------------
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bool MSWCommand(WXUINT param, WXWORD id);
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// get the native menu handle
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WXHMENU GetHMenu() const { return m_hMenu; }
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// Return the start and end position of the radio group to which the item
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// at the given position belongs. Returns false if there is no radio group
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// containing this position.
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bool MSWGetRadioGroupRange(int pos, int *start, int *end) const;
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#if wxUSE_ACCEL
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// called by wxMenuBar to build its accel table from the accels of all menus
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bool HasAccels() const { return !m_accels.empty(); }
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size_t GetAccelCount() const { return m_accels.size(); }
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size_t CopyAccels(wxAcceleratorEntry *accels) const;
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// called by wxMenuItem when its accels changes
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void UpdateAccel(wxMenuItem *item);
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// helper used by wxMenu itself (returns the index in m_accels)
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int FindAccel(int id) const;
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// used only by wxMDIParentFrame currently but could be useful elsewhere:
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// returns a new accelerator table with accelerators for just this menu
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// (shouldn't be called if we don't have any accelerators)
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wxAcceleratorTable *CreateAccelTable() const;
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#endif // wxUSE_ACCEL
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// get the menu with given handle (recursively)
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wxMenu* MSWGetMenu(WXHMENU hMenu);
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#if wxUSE_OWNER_DRAWN
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int GetMaxAccelWidth()
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{
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if (m_maxAccelWidth == -1)
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CalculateMaxAccelWidth();
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return m_maxAccelWidth;
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}
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void ResetMaxAccelWidth()
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{
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m_maxAccelWidth = -1;
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}
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private:
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void CalculateMaxAccelWidth();
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#endif // wxUSE_OWNER_DRAWN
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protected:
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virtual wxMenuItem* DoAppend(wxMenuItem *item);
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virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
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virtual wxMenuItem* DoRemove(wxMenuItem *item);
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private:
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// This constructor is private, use MSWNewFromHMENU() to use it.
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wxMenu(WXHMENU hMenu);
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// Common part of all ctors, it doesn't create a new HMENU.
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void InitNoCreate();
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// Common part of all ctors except of the one above taking a native menu
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// handler: calls InitNoCreate() and also creates a new menu.
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void Init();
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// common part of Append/Insert (behaves as Append is pos == (size_t)-1)
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bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
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// This variable contains the description of the radio item groups and
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// allows to find whether an item at the given position is part of the
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// group and also where its group starts and ends.
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//
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// It is initially NULL and only allocated if we have any radio items.
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wxMenuRadioItemsData *m_radioData;
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// if true, insert a breal before appending the next item
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bool m_doBreak;
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// the menu handle of this menu
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WXHMENU m_hMenu;
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#if wxUSE_ACCEL
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// the accelerators for our menu items
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wxAcceleratorArray m_accels;
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#endif // wxUSE_ACCEL
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#if wxUSE_OWNER_DRAWN
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// true if the menu has any ownerdrawn items
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bool m_ownerDrawn;
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// the max width of menu items bitmaps
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int m_maxBitmapWidth;
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// the max width of menu items accels
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int m_maxAccelWidth;
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#endif // wxUSE_OWNER_DRAWN
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DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
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};
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// ----------------------------------------------------------------------------
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// Menu Bar (a la Windows)
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMenuBar : public wxMenuBarBase
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{
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public:
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// ctors & dtor
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// default constructor
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wxMenuBar();
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// unused under MSW
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wxMenuBar(long style);
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// menubar takes ownership of the menus arrays but copies the titles
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wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
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virtual ~wxMenuBar();
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// menubar construction
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virtual bool Append( wxMenu *menu, const wxString &title );
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virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
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virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
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virtual wxMenu *Remove(size_t pos);
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virtual void EnableTop( size_t pos, bool flag );
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virtual bool IsEnabledTop(size_t pos) const;
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virtual void SetMenuLabel( size_t pos, const wxString& label );
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virtual wxString GetMenuLabel( size_t pos ) const;
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// implementation from now on
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WXHMENU Create();
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virtual void Detach();
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virtual void Attach(wxFrame *frame);
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#if defined(__WXWINCE__) && wxUSE_TOOLBAR
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// Under WinCE, a menubar is owned by the frame's toolbar
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void SetToolBar(wxToolBar* toolBar) { m_toolBar = toolBar; }
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wxToolBar* GetToolBar() const { return m_toolBar; }
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#endif
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#ifdef WINCE_WITH_COMMANDBAR
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WXHWND GetCommandBar() const { return m_commandBar; }
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bool AddAdornments(long style);
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#endif
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#if wxUSE_ACCEL
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// update the accel table (must be called after adding/deleting a menu)
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void RebuildAccelTable();
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#endif // wxUSE_ACCEL
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// get the menu handle
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WXHMENU GetHMenu() const { return m_hMenu; }
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// if the menubar is modified, the display is not updated automatically,
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// call this function to update it (m_menuBarFrame should be !NULL)
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void Refresh();
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// To avoid compile warning
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void Refresh( bool eraseBackground,
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const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
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// Get a top level menu position or wxNOT_FOUND from its handle.
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int MSWGetTopMenuPos(WXHMENU hMenu) const;
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// Get a top level or sub menu with given handle (recursively).
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wxMenu* MSWGetMenu(WXHMENU hMenu) const;
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protected:
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// common part of all ctors
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void Init();
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WXHMENU m_hMenu;
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// Return the MSW position for a wxMenu which is sometimes different from
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// the wxWidgets position.
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int MSWPositionForWxMenu(wxMenu *menu, int wxpos);
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#if defined(__WXWINCE__) && wxUSE_TOOLBAR
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wxToolBar* m_toolBar;
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#endif
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#ifdef WINCE_WITH_COMMANDBAR
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WXHWND m_commandBar;
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bool m_adornmentsAdded;
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#endif
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private:
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DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
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};
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#endif // _WX_MENU_H_
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