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wxWidgets/include/wx/univ/window.h
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287
wxWidgets/include/wx/univ/window.h
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/univ/window.h
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// Purpose: wxWindow class which is the base class for all
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// wxUniv port controls, it supports the customization of the
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// window drawing and input processing.
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 06.08.00
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// RCS-ID: $Id: window.h 39633 2006-06-08 11:25:30Z ABX $
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// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_UNIV_WINDOW_H_
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#define _WX_UNIV_WINDOW_H_
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#include "wx/bitmap.h" // for m_bitmapBg
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class WXDLLEXPORT wxControlRenderer;
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class WXDLLEXPORT wxEventLoop;
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#if wxUSE_MENUS
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class WXDLLEXPORT wxMenu;
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class WXDLLEXPORT wxMenuBar;
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#endif // wxUSE_MENUS
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class WXDLLEXPORT wxRenderer;
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#if wxUSE_SCROLLBAR
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class WXDLLEXPORT wxScrollBar;
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#endif // wxUSE_SCROLLBAR
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#ifdef __WXX11__
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#define wxUSE_TWO_WINDOWS 1
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#else
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#define wxUSE_TWO_WINDOWS 0
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#endif
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// ----------------------------------------------------------------------------
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// wxWindow
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// ----------------------------------------------------------------------------
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#if defined(__WXMSW__)
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#define wxWindowNative wxWindowMSW
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#elif defined(__WXGTK__)
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#define wxWindowNative wxWindowGTK
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#elif defined(__WXMGL__)
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#define wxWindowNative wxWindowMGL
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#elif defined(__WXX11__)
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#define wxWindowNative wxWindowX11
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#elif defined(__WXMAC__)
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#define wxWindowNative wxWindowMac
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#endif
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class WXDLLEXPORT wxWindow : public wxWindowNative
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{
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public:
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// ctors and create functions
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// ---------------------------
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wxWindow() { Init(); }
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wxWindow(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr)
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: wxWindowNative(parent, id, pos, size, style | wxCLIP_CHILDREN, name)
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{ Init(); }
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr);
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virtual ~wxWindow();
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// background pixmap support
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// -------------------------
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virtual void SetBackground(const wxBitmap& bitmap,
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int alignment = wxALIGN_CENTRE,
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wxStretch stretch = wxSTRETCH_NOT);
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const wxBitmap& GetBackgroundBitmap(int *alignment = NULL,
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wxStretch *stretch = NULL) const;
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// scrollbars: we (re)implement it ourselves using our own scrollbars
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// instead of the native ones
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// ------------------------------------------------------------------
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virtual void SetScrollbar(int orient,
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int pos,
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int page,
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int range,
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bool refresh = true );
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virtual void SetScrollPos(int orient, int pos, bool refresh = true);
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virtual int GetScrollPos(int orient) const;
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virtual int GetScrollThumb(int orient) const;
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virtual int GetScrollRange(int orient) const;
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virtual void ScrollWindow(int dx, int dy,
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const wxRect* rect = (wxRect *) NULL);
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// take into account the borders here
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virtual wxPoint GetClientAreaOrigin() const;
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// popup menu support
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// ------------------
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// NB: all menu related functions are implemented in menu.cpp
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#if wxUSE_MENUS
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// this is wxUniv-specific private method to be used only by wxMenu
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void DismissPopupMenu();
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#endif // wxUSE_MENUS
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// miscellaneous other methods
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// ---------------------------
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// get the state information
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virtual bool IsFocused() const;
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virtual bool IsCurrent() const;
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virtual bool IsPressed() const;
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virtual bool IsDefault() const;
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// return all state flags at once (combination of wxCONTROL_XXX values)
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int GetStateFlags() const;
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// set the "highlighted" flag and return true if it changed
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virtual bool SetCurrent(bool doit = true);
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#if wxUSE_SCROLLBAR
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// get the scrollbar (may be NULL) for the given orientation
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wxScrollBar *GetScrollbar(int orient) const
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{
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return orient & wxVERTICAL ? m_scrollbarVert : m_scrollbarHorz;
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}
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#endif // wxUSE_SCROLLBAR
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// methods used by wxColourScheme to choose the colours for this window
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// --------------------------------------------------------------------
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// return true if this is a panel/canvas window which contains other
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// controls only
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virtual bool IsCanvasWindow() const { return false; }
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// return true if this control can be highlighted when the mouse is over
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// it (the theme decides itself whether it is really highlighted or not)
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virtual bool CanBeHighlighted() const { return false; }
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// return true if we should use the colours/fonts returned by the
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// corresponding GetXXX() methods instead of the default ones
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bool UseFgCol() const { return m_hasFgCol; }
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bool UseFont() const { return m_hasFont; }
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// return true if this window serves as a container for the other windows
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// only and doesn't get any input itself
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virtual bool IsStaticBox() const { return false; }
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// returns the (low level) renderer to use for drawing the control by
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// querying the current theme
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wxRenderer *GetRenderer() const { return m_renderer; }
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// scrolling helper: like ScrollWindow() except that it doesn't refresh the
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// uncovered window areas but returns the rectangle to update (don't call
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// this with both dx and dy non zero)
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wxRect ScrollNoRefresh(int dx, int dy, const wxRect *rect = NULL);
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// after scrollbars are added or removed they must be refreshed by calling
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// this function
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void RefreshScrollbars();
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// erase part of the control
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virtual void EraseBackground(wxDC& dc, const wxRect& rect);
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// overridden base class methods
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// -----------------------------
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// the rect coordinates are, for us, in client coords, but if no rect is
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// specified, the entire window is refreshed
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virtual void Refresh(bool eraseBackground = true,
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const wxRect *rect = (const wxRect *) NULL);
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// we refresh the window when it is dis/enabled
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virtual bool Enable(bool enable = true);
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// should we use the standard control colours or not?
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virtual bool ShouldInheritColours() const { return false; }
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protected:
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// common part of all ctors
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void Init();
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#if wxUSE_MENUS
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virtual bool DoPopupMenu(wxMenu *menu, int x, int y);
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#endif // wxUSE_MENUS
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// we deal with the scrollbars in these functions
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virtual void DoSetClientSize(int width, int height);
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virtual void DoGetClientSize(int *width, int *height) const;
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virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
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// event handlers
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void OnSize(wxSizeEvent& event);
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void OnNcPaint(wxNcPaintEvent& event);
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void OnPaint(wxPaintEvent& event);
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void OnErase(wxEraseEvent& event);
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#if wxUSE_ACCEL || wxUSE_MENUS
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void OnKeyDown(wxKeyEvent& event);
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#endif // wxUSE_ACCEL
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#if wxUSE_MENUS
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void OnChar(wxKeyEvent& event);
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void OnKeyUp(wxKeyEvent& event);
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#endif // wxUSE_MENUS
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// draw the control background, return true if done
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virtual bool DoDrawBackground(wxDC& dc);
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// draw the controls border
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virtual void DoDrawBorder(wxDC& dc, const wxRect& rect);
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// draw the controls contents
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virtual void DoDraw(wxControlRenderer *renderer);
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// calculate the best size for the client area of the window: default
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// implementation of DoGetBestSize() uses this method and adds the border
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// width to the result
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virtual wxSize DoGetBestClientSize() const;
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virtual wxSize DoGetBestSize() const;
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// adjust the size of the window to take into account its borders
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wxSize AdjustSize(const wxSize& size) const;
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// put the scrollbars along the edges of the window
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void PositionScrollbars();
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#if wxUSE_MENUS
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// return the menubar of the parent frame or NULL
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wxMenuBar *GetParentFrameMenuBar() const;
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#endif // wxUSE_MENUS
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// the renderer we use
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wxRenderer *m_renderer;
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// background bitmap info
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wxBitmap m_bitmapBg;
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int m_alignBgBitmap;
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wxStretch m_stretchBgBitmap;
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// old size
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wxSize m_oldSize;
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// is the mouse currently inside the window?
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bool m_isCurrent:1;
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#ifdef __WXMSW__
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public:
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// override MSWWindowProc() to process WM_NCHITTEST
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WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
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#endif // __WXMSW__
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private:
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#if wxUSE_SCROLLBAR
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// the window scrollbars
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wxScrollBar *m_scrollbarHorz,
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*m_scrollbarVert;
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#endif // wxUSE_SCROLLBAR
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#if wxUSE_MENUS
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// the current modal event loop for the popup menu we show or NULL
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static wxEventLoop *ms_evtLoopPopup;
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// the last window over which Alt was pressed (used by OnKeyUp)
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static wxWindow *ms_winLastAltPress;
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#endif // wxUSE_MENUS
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DECLARE_DYNAMIC_CLASS(wxWindow)
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DECLARE_EVENT_TABLE()
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};
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#endif // _WX_UNIV_WINDOW_H_
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