157 lines
4.8 KiB
C++
157 lines
4.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/menuitem.h
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// Purpose: wxMenuItem class
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 11.11.97
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _MENUITEM_H
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#define _MENUITEM_H
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/bitmap.h"
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#if wxUSE_OWNER_DRAWN
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#include "wx/ownerdrw.h"
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struct tagRECT;
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#endif
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// ----------------------------------------------------------------------------
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// wxMenuItem: an item in the menu, optionally implements owner-drawn behaviour
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
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#if wxUSE_OWNER_DRAWN
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, public wxOwnerDrawn
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#endif
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{
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public:
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// ctor & dtor
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wxMenuItem(wxMenu *parentMenu = NULL,
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int id = wxID_SEPARATOR,
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const wxString& name = wxEmptyString,
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const wxString& help = wxEmptyString,
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wxItemKind kind = wxITEM_NORMAL,
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wxMenu *subMenu = NULL);
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virtual ~wxMenuItem();
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// override base class virtuals
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virtual void SetItemLabel(const wxString& strName);
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virtual void Enable(bool bDoEnable = true);
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virtual void Check(bool bDoCheck = true);
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virtual bool IsChecked() const;
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// unfortunately needed to resolve ambiguity between
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// wxMenuItemBase::IsCheckable() and wxOwnerDrawn::IsCheckable()
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bool IsCheckable() const { return wxMenuItemBase::IsCheckable(); }
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// the id for a popup menu is really its menu handle (as required by
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// ::AppendMenu() API), so this function will return either the id or the
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// menu handle depending on what we are
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//
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// notice that it also returns the id as an unsigned int, as required by
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// Win32 API
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WXWPARAM GetMSWId() const;
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#if WXWIN_COMPATIBILITY_2_8
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// compatibility only, don't use in new code
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wxDEPRECATED(
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wxMenuItem(wxMenu *parentMenu,
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int id,
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const wxString& text,
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const wxString& help,
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bool isCheckable,
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wxMenu *subMenu = NULL)
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);
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#endif
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void SetBitmaps(const wxBitmap& bmpChecked,
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const wxBitmap& bmpUnchecked = wxNullBitmap)
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{
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DoSetBitmap(bmpChecked, true);
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DoSetBitmap(bmpUnchecked, false);
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}
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void SetBitmap(const wxBitmap& bmp, bool bChecked = true)
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{
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DoSetBitmap(bmp, bChecked);
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}
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const wxBitmap& GetBitmap(bool bChecked = true) const
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{ return (bChecked ? m_bmpChecked : m_bmpUnchecked); }
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#if wxUSE_OWNER_DRAWN
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void SetDisabledBitmap(const wxBitmap& bmpDisabled)
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{
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m_bmpDisabled = bmpDisabled;
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SetOwnerDrawn(true);
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}
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const wxBitmap& GetDisabledBitmap() const
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{ return m_bmpDisabled; }
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int MeasureAccelWidth() const;
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// override wxOwnerDrawn base class virtuals
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virtual wxString GetName() const;
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virtual bool OnMeasureItem(size_t *pwidth, size_t *pheight);
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virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
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protected:
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virtual void GetFontToUse(wxFont& font) const;
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virtual void GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const;
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private:
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// helper function for draw std menu check mark
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void DrawStdCheckMark(WXHDC hdc, const tagRECT* rc, wxODStatus stat);
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// helper function to determine if the item must be owner-drawn
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bool MSWMustUseOwnerDrawn();
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#endif // wxUSE_OWNER_DRAWN
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enum BitmapKind
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{
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Normal,
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Checked,
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Unchecked
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};
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// helper function to get a handle for bitmap associated with item
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WXHBITMAP GetHBitmapForMenu(BitmapKind kind) const;
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// helper function to set/change the bitmap
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void DoSetBitmap(const wxBitmap& bmp, bool bChecked);
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private:
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// common part of all ctors
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void Init();
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// Return the item position in the menu containing it.
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//
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// Returns -1 if the item is not attached to a menu or if we can't find its
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// position (which is not really supposed to ever happen).
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int MSGetMenuItemPos() const;
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// item bitmaps
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wxBitmap m_bmpChecked, // bitmap to put near the item
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m_bmpUnchecked; // (checked is used also for 'uncheckable' items)
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#if wxUSE_OWNER_DRAWN
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wxBitmap m_bmpDisabled;
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#endif // wxUSE_OWNER_DRAWN
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// Give wxMenu access to our MSWMustUseOwnerDrawn() and GetHBitmapForMenu().
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friend class wxMenu;
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuItem);
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};
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#endif //_MENUITEM_H
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