initial commit

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

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

@@ -0,0 +1,235 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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
+// 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;
+
+class wxMenuRadioItemsData;
+
+
+#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() override;
+
+    virtual void SetTitle(const wxString& title) override;
+
+    // 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); }
+
+    // Detaches HMENU so that it isn't deleted when this object is destroyed.
+    // Don't use this object after calling this method.
+    WXHMENU MSWDetachHMENU() { WXHMENU m = m_hMenu; m_hMenu = nullptr; return m; }
+
+    // Process WM_COMMAND.
+    virtual bool MSWCommand(WXUINT param, WXWORD id);
+
+    // implementation only from now on
+    // -------------------------------
+
+    // 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;
+
+    void SetupBitmaps();
+
+#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);
+    void RemoveAccel(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
+
+    // get the menu with given handle (recursively)
+    wxMenu* MSWGetMenu(WXHMENU hMenu);
+
+#if wxUSE_OWNER_DRAWN
+
+    int GetMaxAccelWidth()
+    {
+        if (m_maxAccelWidth == -1)
+            CalculateMaxAccelWidth();
+        return m_maxAccelWidth;
+    }
+
+    void ResetMaxAccelWidth()
+    {
+        m_maxAccelWidth = -1;
+    }
+
+private:
+    void CalculateMaxAccelWidth();
+
+#endif // wxUSE_OWNER_DRAWN
+
+protected:
+    virtual wxMenuItem* DoAppend(wxMenuItem *item) override;
+    virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item) override;
+    virtual wxMenuItem* DoRemove(wxMenuItem *item) override;
+
+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 nullptr and only allocated if we have any radio items.
+    wxMenuRadioItemsData *m_radioData;
+
+    // if true, insert a break 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
+
+    wxDECLARE_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 ) override;
+    virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title) override;
+    virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title) override;
+    virtual wxMenu *Remove(size_t pos) override;
+
+    virtual void EnableTop( size_t pos, bool flag ) override;
+    virtual bool IsEnabledTop(size_t pos) const override;
+    virtual void SetMenuLabel( size_t pos, const wxString& label ) override;
+    virtual wxString GetMenuLabel( size_t pos ) const override;
+
+    // implementation from now on
+    WXHMENU Create();
+    virtual void Detach() override;
+    virtual void Attach(wxFrame *frame) override;
+
+#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 non-null)
+    void Refresh();
+
+    // To avoid compile warning
+    void Refresh( bool eraseBackground,
+                  const wxRect *rect = nullptr ) override { wxWindow::Refresh(eraseBackground, rect); }
+
+    // Get a top level menu position or wxNOT_FOUND from its handle.
+    int MSWGetTopMenuPos(WXHMENU hMenu) const;
+
+    // Get a top level or sub menu with given handle (recursively).
+    wxMenu* MSWGetMenu(WXHMENU hMenu) const;
+
+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);
+
+private:
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar);
+};
+
+#endif // _WX_MENU_H_