window.h

浙江大学的悟空嵌入式系统模拟器

    virtual void SetConstraintSizes(bool recurse = TRUE);
    virtual bool LayoutPhase1(int *noChanges);
    virtual bool LayoutPhase2(int *noChanges);
    virtual bool DoPhase(int phase);

        // these methods are virtual but normally won't be overridden
    virtual void SetSizeConstraint(int x, int y, int w, int h);
    virtual void MoveConstraint(int x, int y);
    virtual void GetSizeConstraint(int *w, int *h) const ;
    virtual void GetClientSizeConstraint(int *w, int *h) const ;
    virtual void GetPositionConstraint(int *x, int *y) const ;

#endif // wxUSE_CONSTRAINTS

        // when using constraints or sizers, it makes sense to update
        // children positions automatically whenever the window is resized
        // - this is done if autoLayout is on
    void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
    bool GetAutoLayout() const { return m_autoLayout; }

        // lay out the window and its children
    virtual bool Layout();

        // sizers
    void SetSizer(wxSizer *sizer, bool deleteOld = TRUE );
    void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE );

    wxSizer *GetSizer() const { return m_windowSizer; }

    // Track if this window is a member of a sizer
    void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; }
    wxSizer *GetContainingSizer() const { return m_containingSizer; }

    // backward compatibility
    // ----------------------
#if WXWIN_COMPATIBILITY
    bool Enabled() const { return IsEnabled(); }

    void SetButtonFont(const wxFont& font) { SetFont(font); }
    void SetLabelFont(const wxFont& font) { SetFont(font); }
    wxFont& GetLabelFont() { return GetFont(); };
    wxFont& GetButtonFont() { return GetFont(); };
#endif // WXWIN_COMPATIBILITY

    // implementation
    // --------------

        // event handlers
    void OnSysColourChanged( wxSysColourChangedEvent& event );
    void OnInitDialog( wxInitDialogEvent &event );
    void OnMiddleClick( wxMouseEvent& event );
#if wxUSE_HELP
    void OnHelp(wxHelpEvent& event);
#endif // wxUSE_HELP

        // get the haqndle of the window for the underlying window system: this
        // is only used for wxWin itself or for user code which wants to call
        // platform-specific APIs
    virtual WXWidget GetHandle() const = 0;

#if wxUSE_PALETTE
        // Store the palette used by DCs in wxWindow so that the dcs can share
        // a palette. And we can respond to palette messages.
    wxPalette GetPalette() const { return m_palette; }

        // When palette is changed tell the DC to set the system palette to the
        // new one.
    void SetPalette(const wxPalette& pal);

        // return true if we have a specific palette
    bool HasCustomPalette() const { return m_hasCustomPalette; }

        // return the first parent window with a custom palette or NULL
    wxWindow *GetAncestorWithCustomPalette() const;
#endif // wxUSE_PALETTE

protected:
#if wxUSE_CONSTRAINTS
    // satisfy the constraints for the windows but don't set the window sizes
    void SatisfyConstraints();
#endif // wxUSE_CONSTRAINTS

    // the window id - a number which uniquely identifies a window among
    // its siblings unless it is -1
    wxWindowID           m_windowId;

    // the parent window of this window (or NULL) and the list of the children
    // of this window
    wxWindow            *m_parent;
    wxWindowList         m_children;

    // the minimal allowed size for the window (no minimal size if variable(s)
    // contain(s) -1)
    int                  m_minWidth,
                         m_minHeight,
                         m_maxWidth,
                         m_maxHeight;

    // event handler for this window: usually is just 'this' but may be
    // changed with SetEventHandler()
    wxEvtHandler        *m_eventHandler;

#if wxUSE_VALIDATORS
    // associated validator or NULL if none
    wxValidator         *m_windowValidator;
#endif // wxUSE_VALIDATORS

#if wxUSE_DRAG_AND_DROP
    wxDropTarget        *m_dropTarget;
#endif // wxUSE_DRAG_AND_DROP

    // visual window attributes
    wxCursor             m_cursor;
    wxFont               m_font;
    wxColour             m_backgroundColour, m_foregroundColour;

#if wxUSE_CARET
    wxCaret             *m_caret;
#endif // wxUSE_CARET

    // the region which should be repainted in response to paint event
    wxRegion             m_updateRegion;

#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;

    // window attributes
    long                 m_windowStyle,
                         m_exStyle;
    wxString             m_windowName;
    bool                 m_themeEnabled;

#if wxUSE_PALETTE
    wxPalette            m_palette;
    bool                 m_hasCustomPalette;
#endif // wxUSE_PALETTE

    // Virtual size (scrolling)
    wxSize                m_virtualSize;

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

    // common part of all ctors: it is not virtual because it is called from
    // ctor
    void InitBase();

    // 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
    // FIXME why 20 and not 30, 10 or ...?
    static int WidthDefault(int w) { return w == -1 ? 20 : w; }
    static int HeightDefault(int h) { return h == -1 ? 20 : h; }

    // set the best size for the control if the default size was given:
    // replaces the fields of size == -1 with the best values for them and
    // calls SetSize() if needed
    //
    // This function is rather unfortunately named..  it's really just a
    // smarter SetSize / convenience function for expanding wxDefaultSize.
    // Note that it does not influence the value returned by GetBestSize
    // at all.
    void SetBestSize(const wxSize& size)
    {
        // the size only needs to be changed if the current size is incomplete,
        // i.e. one of the components was specified as default -- so if both
        // were given, simply don't do anything
        if ( size.x == -1 || size.y == -1 )
        {
            wxSize sizeBest = DoGetBestSize();
            if ( size.x != -1 )
                sizeBest.x = size.x;
            if ( size.y != -1 )
                sizeBest.y = size.y;

            SetSize(sizeBest);
        }
    }

    // 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 (for example, a frame that has
    // a toolbar that it manages itself).
    virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const;


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(__WXMSW__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMSW
    #else // !wxUniv
        #define wxWindowMSW wxWindow
        #define sm_classwxWindowMSW sm_classwxWindow
    #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
        #define sm_classwxWindowGTK sm_classwxWindow
    #endif // wxUniv
    #include "wx/gtk/window.h"
#elif defined(__WXX11__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowX11
    #else // !wxUniv
        #define wxWindowX11 wxWindow
        #define sm_classwxWindowX11 sm_classwxWindow
    #endif // wxUniv
    #include "wx/x11/window.h"
#elif defined(__WXMGL__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMGL
    #else // !wxUniv
        #define wxWindowMGL wxWindow
        #define sm_classwxWindowMGL sm_classwxWindow
    #endif // wxUniv
    #include "wx/mgl/window.h"
#elif defined(__WXMAC__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowMac
    #else // !wxUniv
        #define wxWindowMac wxWindow
        #define sm_classwxWindowMac sm_classwxWindow
    #endif // wxUniv
    #include "wx/mac/window.h"
#elif defined(__WXPM__)
    #ifdef __WXUNIVERSAL__
        #define wxWindowNative wxWindowOS2
    #else // !wxUniv
        #define wxWindowOS2 wxWindow
        #define sm_classwxWindowOS2 sm_classwxWindow
    #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.
WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt);

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

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

#endif
    // _WX_WINDOW_H_BASE_