window.h

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#if wxUSE_ACCEL
    // the accelerator table for the window which translates key strokes into
    // command events
    wxAcceleratorTable   m_acceleratorTable;
#endif // wxUSE_ACCEL

    // the tooltip for this window (may be NULL)
#if wxUSE_TOOLTIPS
    wxToolTip           *m_tooltip;
#endif // wxUSE_TOOLTIPS

    // constraints and sizers
#if wxUSE_CONSTRAINTS
    // the constraints for this window or NULL
    wxLayoutConstraints *m_constraints;

    // constraints this window is involved in
    wxWindowList        *m_constraintsInvolvedIn;
#endif // wxUSE_CONSTRAINTS

    // this window's sizer
    wxSizer             *m_windowSizer;

    // The sizer this window is a member of, if any
    wxSizer             *m_containingSizer;

    // Layout() window automatically when its size changes?
    bool                 m_autoLayout:1;

    // window state
    bool                 m_isShown:1;
    bool                 m_isEnabled:1;
    bool                 m_isBeingDeleted:1;

    // was the window colours/font explicitly changed by user?
    bool                 m_hasBgCol:1;
    bool                 m_hasFgCol:1;
    bool                 m_hasFont:1;

    // and should it be inherited by children?
    bool                 m_inheritBgCol:1;
    bool                 m_inheritFgCol:1;
    bool                 m_inheritFont:1;

    // window attributes
    long                 m_windowStyle,
                         m_exStyle;
    wxString             m_windowName;
    bool                 m_themeEnabled;
    wxBackgroundStyle    m_backgroundStyle;
#if wxUSE_PALETTE
    wxPalette            m_palette;
    bool                 m_hasCustomPalette;
#endif // wxUSE_PALETTE

#if wxUSE_ACCESSIBILITY
    wxAccessible*       m_accessible;
#endif

    // Virtual size (scrolling)
    wxSize                m_virtualSize;

    int                   m_minVirtualWidth;    // VirtualSizeHints
    int                   m_minVirtualHeight;
    int                   m_maxVirtualWidth;
    int                   m_maxVirtualHeight;

    wxWindowVariant       m_windowVariant ;

    // override this to change the default (i.e. used when no style is
    // specified) border for the window class
    virtual wxBorder GetDefaultBorder() const;

    // Get the default size for the new window if no explicit size given. TLWs
    // have their own default size so this is just for non top-level windows.
    static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
    static int HeightDefault(int h) { return h == wxDefaultCoord ? 20 : h; }


    // Used to save the results of DoGetBestSize so it doesn't need to be
    // recalculated each time the value is needed.
    wxSize m_bestSizeCache;

    // keep the old name for compatibility, at least until all the internal
    // usages of it are changed to SetBestFittingSize
    void SetBestSize(const wxSize& size) { SetBestFittingSize(size); }

    // set the initial window size if none is given (i.e. at least one of the
    // components of the size passed to ctor/Create() is wxDefaultCoord)
    //
    // normally just calls SetBestSize() for controls, but can be overridden
    // not to do it for the controls which have to do some additional
    // initialization (e.g. add strings to list box) before their best size
    // can be accurately calculated
    virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) {}



    // more pure virtual functions
    // ---------------------------

    // NB: we must have DoSomething() function when Something() is an overloaded
    //     method: indeed, we can't just have "virtual Something()" in case when
    //     the function is overloaded because then we'd have to make virtual all
    //     the variants (otherwise only the virtual function may be called on a
    //     pointer to derived class according to C++ rules) which is, in
    //     general, absolutely not needed. So instead we implement all
    //     overloaded Something()s in terms of DoSomething() which will be the
    //     only one to be virtual.

    // coordinates translation
    virtual void DoClientToScreen( int *x, int *y ) const = 0;
    virtual void DoScreenToClient( int *x, int *y ) const = 0;

    virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;

    // capture/release the mouse, used by Capture/ReleaseMouse()
    virtual void DoCaptureMouse() = 0;
    virtual void DoReleaseMouse() = 0;

    // retrieve the position/size of the window
    virtual void DoGetPosition( int *x, int *y ) const = 0;
    virtual void DoGetSize( int *width, int *height ) const = 0;
    virtual void DoGetClientSize( int *width, int *height ) const = 0;

    // get the size which best suits the window: for a control, it would be
    // the minimal size which doesn't truncate the control, for a panel - the
    // same size as it would have after a call to Fit()
    virtual wxSize DoGetBestSize() const;

    // this is the virtual function to be overriden in any derived class which
    // wants to change how SetSize() or Move() works - it is called by all
    // versions of these functions in the base class
    virtual void DoSetSize(int x, int y,
                           int width, int height,
                           int sizeFlags = wxSIZE_AUTO) = 0;

    // same as DoSetSize() for the client size
    virtual void DoSetClientSize(int width, int height) = 0;

    // move the window to the specified location and resize it: this is called
    // from both DoSetSize() and DoSetClientSize() and would usually just
    // reposition this window except for composite controls which will want to
    // arrange themselves inside the given rectangle
    virtual void DoMoveWindow(int x, int y, int width, int height) = 0;

#if wxUSE_TOOLTIPS
    virtual void DoSetToolTip( wxToolTip *tip );
#endif // wxUSE_TOOLTIPS

#if wxUSE_MENUS
    virtual bool DoPopupMenu(wxMenu *menu, int x, int y) = 0;
#endif // wxUSE_MENUS

    // Makes an adjustment to the window position to make it relative to the
    // parents client area, e.g. if the parent is a frame with a toolbar, its
    // (0, 0) is just below the toolbar
    virtual void AdjustForParentClientOrigin(int& x, int& y,
                                             int sizeFlags = 0) const;

    // implements the window variants
    virtual void DoSetWindowVariant( wxWindowVariant variant ) ;

    // Reserved for future use
    void* m_windowReserved;

private:
    // contains the last id generated by NewControlId
    static int ms_lastControlId;

    // the stack of windows which have captured the mouse
    static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;

    DECLARE_ABSTRACT_CLASS(wxWindowBase)
    DECLARE_NO_COPY_CLASS(wxWindowBase)
    DECLARE_EVENT_TABLE()
};

// ----------------------------------------------------------------------------
// now include the declaration of wxWindow class
// ----------------------------------------------------------------------------

// include the declaration of the platform-specific class
#if defined(__WXPALMOS__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowPalm
    #else // !wxUniv
        #define wxWindowPalm wxWindow
    #endif // wxUniv/!wxUniv
    #include "wx/palmos/window.h"
#elif defined(__WXMSW__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMSW
    #else // !wxUniv
        #define wxWindowMSW wxWindow
    #endif // wxUniv/!wxUniv
    #include "wx/msw/window.h"
#elif defined(__WXMOTIF__)
    #include "wx/motif/window.h"
#elif defined(__WXGTK__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowGTK
    #else // !wxUniv
        #define wxWindowGTK wxWindow
    #endif // wxUniv
    #include "wx/gtk/window.h"
#elif defined(__WXX11__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowX11
    #else // !wxUniv
        #define wxWindowX11 wxWindow
    #endif // wxUniv
    #include "wx/x11/window.h"
#elif defined(__WXMGL__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMGL
    #else // !wxUniv
        #define wxWindowMGL wxWindow
    #endif // wxUniv
    #include "wx/mgl/window.h"
#elif defined(__WXMAC__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMac
    #else // !wxUniv
        #define wxWindowMac wxWindow
    #endif // wxUniv
    #include "wx/mac/window.h"
#elif defined(__WXCOCOA__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowCocoa
    #else // !wxUniv
        #define wxWindowCocoa wxWindow
    #endif // wxUniv
    #include "wx/cocoa/window.h"
#elif defined(__WXPM__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowOS2
    #else // !wxUniv
        #define wxWindowOS2 wxWindow
    #endif // wxUniv/!wxUniv
    #include "wx/os2/window.h"
#endif

// for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
// for the native ports we already have defined it above
#if defined(__WXUNIVERSAL__)
    #ifndef wxWindowNative
        #error "wxWindowNative must be defined above!"
    #endif

    #include "wx/univ/window.h"
#endif // wxUniv

// ----------------------------------------------------------------------------
// inline functions which couldn't be declared in the class body because of
// forward dependencies
// ----------------------------------------------------------------------------

inline wxWindow *wxWindowBase::GetGrandParent() const
{
    return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
}

// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------

// Find the wxWindow at the current mouse position, also returning the mouse
// position.
extern WXDLLEXPORT wxWindow* wxFindWindowAtPointer(wxPoint& pt);

// Get the current mouse position.
extern WXDLLEXPORT wxPoint wxGetMousePosition();

// get the currently active window of this application or NULL
extern WXDLLEXPORT wxWindow *wxGetActiveWindow();

// get the (first) top level parent window
WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);

// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
inline int NewControlId() { return wxWindowBase::NewControlId(); }

#if wxUSE_ACCESSIBILITY
// ----------------------------------------------------------------------------
// accessible object for windows
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxWindowAccessible: public wxAccessible
{
public:
    wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
    virtual ~wxWindowAccessible() {}

// Overridables

        // Can return either a child object, or an integer
        // representing the child element, starting from 1.
    virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject);

        // Returns the rectangle for this object (id = 0) or a child element (id > 0).
    virtual wxAccStatus GetLocation(wxRect& rect, int elementId);

        // Navigates from fromId to toId/toObject.
    virtual wxAccStatus Navigate(wxNavDir navDir, int fromId,
                int* toId, wxAccessible** toObject);

        // Gets the name of the specified object.
    virtual wxAccStatus GetName(int childId, wxString* name);

        // Gets the number of children.
    virtual wxAccStatus GetChildCount(int* childCount);

        // Gets the specified child (starting from 1).
        // If *child is NULL and return value is wxACC_OK,
        // this means that the child is a simple element and
        // not an accessible object.
    virtual wxAccStatus GetChild(int childId, wxAccessible** child);

        // Gets the parent, or NULL.
    virtual wxAccStatus GetParent(wxAccessible** parent);

        // Performs the default action. childId is 0 (the action for this object)
        // or > 0 (the action for a child).
        // Return wxACC_NOT_SUPPORTED if there is no default action for this
        // window (e.g. an edit control).
    virtual wxAccStatus DoDefaultAction(int childId);

        // Gets the default action for this object (0) or > 0 (the action for a child).
        // Return wxACC_OK even if there is no action. actionName is the action, or the empty
        // string if there is no action.
        // The retrieved string describes the action that is performed on an object,
        // not what the object does as a result. For example, a toolbar button that prints
        // a document has a default action of "Press" rather than "Prints the current document."
    virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName);

        // Returns the description for this object or a child.
    virtual wxAccStatus GetDescription(int childId, wxString* description);

        // Returns help text for this object or a child, similar to tooltip text.
    virtual wxAccStatus GetHelpText(int childId, wxString* helpText);

        // Returns the keyboard shortcut for this object or child.
        // Return e.g. ALT+K
    virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut);

        // Returns a role constant.
    virtual wxAccStatus GetRole(int childId, wxAccRole* role);

        // Returns a state constant.
    virtual wxAccStatus GetState(int childId, long* state);

        // Returns a localized string representing the value for the object
        // or child.
    virtual wxAccStatus GetValue(int childId, wxString* strValue);

        // Selects the object or child.
    virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags);

        // Gets the window with the keyboard focus.
        // If childId is 0 and child is NULL, no object in
        // this subhierarchy has the focus.
        // If this object has the focus, child should be 'this'.
    virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);

        // Gets a variant representing the selected children
        // of this object.
        // Acceptable values:
        // - a null variant (IsNull() returns true)
        // - a list variant (GetType() == wxT("list")
        // - an integer representing the selected child element,
        //   or 0 if this object is selected (GetType() == wxT("long")
        // - a "void*" pointer to a wxAccessible child object
    virtual wxAccStatus GetSelections(wxVariant* selections);
};

#endif // wxUSE_ACCESSIBILITY


#endif
    // _WX_WINDOW_H_BASE_