git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32558 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			280 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			280 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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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:      $Id$
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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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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    #pragma interface "univwindow.h"
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#endif
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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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class WXDLLEXPORT wxMenu;
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class WXDLLEXPORT wxMenuBar;
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class WXDLLEXPORT wxRenderer;
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class WXDLLEXPORT wxScrollBar;
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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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    virtual bool DoPopupMenu(wxMenu *menu, int x, int y);
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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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    // 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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    // 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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    // overridden base class virtuals
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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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    // 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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    // the window scrollbars
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    wxScrollBar *m_scrollbarHorz,
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                *m_scrollbarVert;
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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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