initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/msw/menuitem.h

@@ -0,0 +1,160 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/menuitem.h
+// Purpose:     wxMenuItem class
+// Author:      Vadim Zeitlin
+// Created:     11.11.97
+// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef   _MENUITEM_H
+#define   _MENUITEM_H
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if wxUSE_OWNER_DRAWN
+    #include "wx/ownerdrw.h"
+
+    struct tagRECT;
+#endif
+
+// ----------------------------------------------------------------------------
+// wxMenuItem: an item in the menu, optionally implements owner-drawn behaviour
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
+#if wxUSE_OWNER_DRAWN
+                             , public wxOwnerDrawn
+#endif
+{
+public:
+    // ctor & dtor
+    wxMenuItem(wxMenu *parentMenu = nullptr,
+               int id = wxID_SEPARATOR,
+               const wxString& name = wxEmptyString,
+               const wxString& help = wxEmptyString,
+               wxItemKind kind = wxITEM_NORMAL,
+               wxMenu *subMenu = nullptr);
+    virtual ~wxMenuItem();
+
+    // override base class virtuals
+    virtual void SetItemLabel(const wxString& strName) override;
+
+    virtual void Enable(bool bDoEnable = true) override;
+    virtual void Check(bool bDoCheck = true) override;
+    virtual bool IsChecked() const override;
+
+    // unfortunately needed to resolve ambiguity between
+    // wxMenuItemBase::IsCheckable() and wxOwnerDrawn::IsCheckable()
+    bool IsCheckable() const { return wxMenuItemBase::IsCheckable(); }
+
+    // the id for a popup menu is really its menu handle (as required by
+    // ::AppendMenu() API), so this function will return either the id or the
+    // menu handle depending on what we are
+    //
+    // notice that it also returns the id as an unsigned int, as required by
+    // Win32 API
+    WXWPARAM GetMSWId() const;
+
+    void SetBitmaps(const wxBitmapBundle& bmpChecked,
+                    const wxBitmapBundle& bmpUnchecked = wxNullBitmap)
+    {
+        DoSetBitmap(bmpChecked, true);
+        DoSetBitmap(bmpUnchecked, false);
+    }
+
+    virtual void SetBitmap(const wxBitmapBundle& bmp) override
+    {
+        DoSetBitmap(bmp, true);
+    }
+
+    virtual wxBitmap GetBitmap() const override
+    {
+        return GetBitmap(true);
+    }
+
+    void SetupBitmaps();
+
+    // The functions taking bChecked are wxMSW-specific.
+    void SetBitmap(const wxBitmapBundle& bmp, bool bChecked)
+    {
+        DoSetBitmap(bmp, bChecked);
+    }
+
+    wxBitmap GetBitmap(bool bChecked) const;
+
+#if wxUSE_OWNER_DRAWN
+    void SetDisabledBitmap(const wxBitmapBundle& bmpDisabled)
+    {
+        m_bmpDisabled = bmpDisabled;
+        SetOwnerDrawn(true);
+    }
+
+    wxBitmap GetDisabledBitmap() const;
+
+    int MeasureAccelWidth() const;
+
+    // override wxOwnerDrawn base class virtuals
+    virtual wxString GetName() const override;
+    virtual bool OnMeasureItem(size_t *pwidth, size_t *pheight) override;
+    virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) override;
+
+protected:
+    virtual void GetFontToUse(wxFont& font) const override;
+    virtual void GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const override;
+
+private:
+    // helper function for draw std menu check mark
+    void DrawStdCheckMark(WXHDC hdc, const tagRECT* rc, wxODStatus stat);
+
+    // helper function to determine if the item must be owner-drawn
+    bool MSWMustUseOwnerDrawn();
+#endif // wxUSE_OWNER_DRAWN
+
+    enum BitmapKind
+    {
+        Normal,
+        Checked,
+        Unchecked
+    };
+
+    // helper function to get a handle for bitmap associated with item
+    WXHBITMAP GetHBitmapForMenu(BitmapKind kind) const;
+
+    // helper function to set/change the bitmap
+    void DoSetBitmap(const wxBitmapBundle& bmp, bool bChecked);
+
+private:
+    // common part of all ctors
+    void Init();
+
+    // Return the item position in the menu containing it.
+    //
+    // Returns -1 if the item is not attached to a menu or if we can't find its
+    // position (which is not really supposed to ever happen).
+    int MSGetMenuItemPos() const;
+
+    // Get the extent of the given text using the correct font.
+    wxSize GetMenuTextExtent(const wxString& text) const;
+
+    // item bitmaps
+    wxBitmapBundle m_bmpUnchecked;   // (used only for checkable items)
+#if wxUSE_OWNER_DRAWN
+    wxBitmapBundle m_bmpDisabled;
+#endif // wxUSE_OWNER_DRAWN
+
+    // Bitmaps being currently used: we must store them separately from the
+    // bundle itself because their HBITMAPs must remain valid as long as
+    // they're used by Windows.
+    wxBitmap m_bmpCheckedCurrent,
+             m_bmpUncheckedCurrent;
+
+    // Give wxMenu access to our MSWMustUseOwnerDrawn() and GetHBitmapForMenu().
+    friend class wxMenu;
+
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuItem);
+};
+
+#endif  //_MENUITEM_H