git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53282 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			692 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			692 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        htmlcell.h
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// Purpose:     wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser
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//              as a basic visual element of HTML page
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// Author:      Vaclav Slavik
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// RCS-ID:      $Id$
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// Copyright:   (c) 1999-2003 Vaclav Slavik
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_HTMLCELL_H_
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#define _WX_HTMLCELL_H_
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#include "wx/defs.h"
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#if wxUSE_HTML
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#include "wx/html/htmltag.h"
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#include "wx/html/htmldefs.h"
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#include "wx/window.h"
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class WXDLLIMPEXP_FWD_HTML wxHtmlWindowInterface;
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class WXDLLIMPEXP_FWD_HTML wxHtmlLinkInfo;
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class WXDLLIMPEXP_FWD_HTML wxHtmlCell;
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class WXDLLIMPEXP_FWD_HTML wxHtmlContainerCell;
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// wxHtmlSelection is data holder with information about text selection.
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// Selection is defined by two positions (beginning and end of the selection)
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// and two leaf(!) cells at these positions.
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class WXDLLIMPEXP_HTML wxHtmlSelection
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{
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public:
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    wxHtmlSelection()
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        : m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
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          m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
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          m_fromCell(NULL), m_toCell(NULL) {}
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    void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
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             const wxPoint& toPos, const wxHtmlCell *toCell);
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    void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell);
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    const wxHtmlCell *GetFromCell() const { return m_fromCell; }
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    const wxHtmlCell *GetToCell() const { return m_toCell; }
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    // these values are in absolute coordinates:
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    const wxPoint& GetFromPos() const { return m_fromPos; }
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    const wxPoint& GetToPos() const { return m_toPos; }
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    // these are From/ToCell's private data
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    const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; }
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    const wxPoint& GetToPrivPos() const { return m_toPrivPos; }
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    void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; }
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    void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; }
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    void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; }
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    bool IsEmpty() const
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        { return m_fromPos == wxDefaultPosition &&
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                 m_toPos == wxDefaultPosition; }
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private:
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    wxPoint m_fromPos, m_toPos;
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    wxPoint m_fromPrivPos, m_toPrivPos;
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    const wxHtmlCell *m_fromCell, *m_toCell;
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};
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enum wxHtmlSelectionState
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{
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    wxHTML_SEL_OUT,     // currently rendered cell is outside the selection
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    wxHTML_SEL_IN,      // ... is inside selection
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    wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
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};
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// Selection state is passed to wxHtmlCell::Draw so that it can render itself
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// differently e.g. when inside text selection or outside it.
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class WXDLLIMPEXP_HTML wxHtmlRenderingState
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{
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public:
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    wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
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    void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
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    wxHtmlSelectionState GetSelectionState() const { return m_selState; }
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    void SetFgColour(const wxColour& c) { m_fgColour = c; }
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    const wxColour& GetFgColour() const { return m_fgColour; }
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    void SetBgColour(const wxColour& c) { m_bgColour = c; }
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    const wxColour& GetBgColour() const { return m_bgColour; }
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private:
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    wxHtmlSelectionState  m_selState;
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    wxColour              m_fgColour, m_bgColour;
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};
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// HTML rendering customization. This class is used when rendering wxHtmlCells
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// as a callback:
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class WXDLLIMPEXP_HTML wxHtmlRenderingStyle
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{
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public:
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    virtual ~wxHtmlRenderingStyle() {}
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    virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
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    virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
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};
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// Standard style:
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class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
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{
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public:
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    virtual wxColour GetSelectedTextColour(const wxColour& clr);
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    virtual wxColour GetSelectedTextBgColour(const wxColour& clr);
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};
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// Information given to cells when drawing them. Contains rendering state,
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// selection information and rendering style object that can be used to
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// customize the output.
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class WXDLLIMPEXP_HTML wxHtmlRenderingInfo
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{
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public:
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    wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {}
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    void SetSelection(wxHtmlSelection *s) { m_selection = s; }
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    wxHtmlSelection *GetSelection() const { return m_selection; }
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    void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; }
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    wxHtmlRenderingStyle& GetStyle() { return *m_style; }
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    wxHtmlRenderingState& GetState() { return m_state; }
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protected:
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    wxHtmlSelection      *m_selection;
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    wxHtmlRenderingStyle *m_style;
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    wxHtmlRenderingState m_state;
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};
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// Flags for wxHtmlCell::FindCellByPos
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enum
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{
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    wxHTML_FIND_EXACT             = 1,
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    wxHTML_FIND_NEAREST_BEFORE    = 2,
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    wxHTML_FIND_NEAREST_AFTER     = 4
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};
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// Superscript/subscript/normal script mode of a cell
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enum wxHtmlScriptMode
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{
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    wxHTML_SCRIPT_NORMAL,
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    wxHTML_SCRIPT_SUB,
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    wxHTML_SCRIPT_SUP
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};
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// ---------------------------------------------------------------------------
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// wxHtmlCell
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//                  Internal data structure. It represents fragments of parsed
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//                  HTML page - a word, picture, table, horizontal line and so
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//                  on.  It is used by wxHtmlWindow to represent HTML page in
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//                  memory.
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// ---------------------------------------------------------------------------
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class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject
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{
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public:
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    wxHtmlCell();
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    virtual ~wxHtmlCell();
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    void SetParent(wxHtmlContainerCell *p) {m_Parent = p;}
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    wxHtmlContainerCell *GetParent() const {return m_Parent;}
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    int GetPosX() const {return m_PosX;}
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    int GetPosY() const {return m_PosY;}
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    int GetWidth() const {return m_Width;}
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    // Returns the maximum possible length of the cell.
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    // Call Layout at least once before using GetMaxTotalWidth()
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    virtual int GetMaxTotalWidth() const { return m_Width; }
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    int GetHeight() const {return m_Height;}
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    int GetDescent() const {return m_Descent;}
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    void SetScriptMode(wxHtmlScriptMode mode, long previousBase);
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    wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; }
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    long GetScriptBaseline() { return m_ScriptBaseline; }
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    // Formatting cells are not visible on the screen, they only alter
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    // renderer's state.
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    bool IsFormattingCell() const { return m_Width == 0 && m_Height == 0; }
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    const wxString& GetId() const { return m_id; }
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    void SetId(const wxString& id) { m_id = id; }
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    // returns the link associated with this cell. The position is position
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    // within the cell so it varies from 0 to m_Width, from 0 to m_Height
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    virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
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                                    int WXUNUSED(y) = 0) const
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        { return m_Link; }
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    // Returns cursor to be used when mouse is over the cell:
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    virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
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#if WXWIN_COMPATIBILITY_2_6
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    // this was replaced by GetMouseCursor, don't use in new code!
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    virtual wxCursor GetCursor() const;
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#endif
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    // return next cell among parent's cells
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    wxHtmlCell *GetNext() const {return m_Next;}
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    // returns first child cell (if there are any, i.e. if this is container):
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    virtual wxHtmlCell* GetFirstChild() const { return NULL; }
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    // members writing methods
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    virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;}
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    void SetLink(const wxHtmlLinkInfo& link);
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    void SetNext(wxHtmlCell *cell) {m_Next = cell;}
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    // 1. adjust cell's width according to the fact that maximal possible width
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    //    is w.  (this has sense when working with horizontal lines, tables
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    //    etc.)
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    // 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height)
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    //    members) = place items to fit window, according to the width w
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    virtual void Layout(int w);
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    // renders the cell
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    virtual void Draw(wxDC& WXUNUSED(dc),
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                      int WXUNUSED(x), int WXUNUSED(y),
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                      int WXUNUSED(view_y1), int WXUNUSED(view_y2),
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                      wxHtmlRenderingInfo& WXUNUSED(info)) {}
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    // proceed drawing actions in case the cell is not visible (scrolled out of
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    // screen).  This is needed to change fonts, colors and so on.
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    virtual void DrawInvisible(wxDC& WXUNUSED(dc),
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                               int WXUNUSED(x), int WXUNUSED(y),
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                               wxHtmlRenderingInfo& WXUNUSED(info)) {}
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    // This method returns pointer to the FIRST cell for that
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    // the condition
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    // is true. It first checks if the condition is true for this
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    // cell and then calls m_Next->Find(). (Note: it checks
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    // all subcells if the cell is container)
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    // Condition is unique condition identifier (see htmldefs.h)
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    // (user-defined condition IDs should start from 10000)
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    // and param is optional parameter
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    // Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news");
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    //   returns pointer to anchor news
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    virtual const wxHtmlCell* Find(int condition, const void* param) const;
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    // This function is called when mouse button is clicked over the cell.
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    // Returns true if a link is clicked, false otherwise.
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    //
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    // 'window' is pointer to wxHtmlWindowInterface of the window which
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    // generated the event.
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    // HINT: if this handling is not enough for you you should use
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    //       wxHtmlWidgetCell
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    virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
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                                   const wxPoint& pos,
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                                   const wxMouseEvent& event);
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#if WXWIN_COMPATIBILITY_2_6
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    // this was replaced by ProcessMouseClick, don't use in new code!
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    virtual void OnMouseClick(wxWindow *window,
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                              int x, int y, const wxMouseEvent& event);
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#endif
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    // This method used to adjust pagebreak position. The parameter is variable
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    // that contains y-coordinate of page break (= horizontal line that should
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    // not be crossed by words, images etc.). If this cell cannot be divided
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    // into two pieces (each one on another page) then it moves the pagebreak
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    // few pixels up.
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    //
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    // Returned value : true if pagebreak was modified, false otherwise
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    // Usage : while (container->AdjustPagebreak(&p)) {}
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    virtual bool AdjustPagebreak(int *pagebreak,
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                                 wxArrayInt& known_pagebreaks) const;
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    // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
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    // is true - the cell can be split on two pages
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    void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
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    // Can the line be broken before this cell?
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    virtual bool IsLinebreakAllowed() const
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        { return !IsFormattingCell(); }
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    // Returns true for simple == terminal cells, i.e. not composite ones.
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    // This if for internal usage only and may disappear in future versions!
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    virtual bool IsTerminalCell() const { return true; }
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    // Find a cell inside this cell positioned at the given coordinates
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    // (relative to this's positions). Returns NULL if no such cell exists.
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    // The flag can be used to specify whether to look for terminal or
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    // nonterminal cells or both. In either case, returned cell is deepest
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    // cell in cells tree that contains [x,y].
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    virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
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                                  unsigned flags = wxHTML_FIND_EXACT) const;
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    // Returns absolute position of the cell on HTML canvas.
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    // If rootCell is provided, then it's considered to be the root of the
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    // hierarchy and the returned value is relative to it.
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    wxPoint GetAbsPos(wxHtmlCell *rootCell = NULL) const;
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    // Returns root cell of the hierarchy (i.e. grand-grand-...-parent that
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    // doesn't have a parent itself)
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    wxHtmlCell *GetRootCell() const;
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    // Returns first (last) terminal cell inside this cell. It may return NULL,
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    // but it is rare -- only if there are no terminals in the tree.
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    virtual wxHtmlCell *GetFirstTerminal() const
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        { return wxConstCast(this, wxHtmlCell); }
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    virtual wxHtmlCell *GetLastTerminal() const
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        { return wxConstCast(this, wxHtmlCell); }
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    // Returns cell's depth, i.e. how far under the root cell it is
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    // (if it is the root, depth is 0)
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    unsigned GetDepth() const;
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    // Returns true if the cell appears before 'cell' in natural order of
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    // cells (= as they are read). If cell A is (grand)parent of cell B,
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    // then both A.IsBefore(B) and B.IsBefore(A) always return true.
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    bool IsBefore(wxHtmlCell *cell) const;
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    // Converts the cell into text representation. If sel != NULL then
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    // only part of the cell inside the selection is converted.
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    virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const
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        { return wxEmptyString; }
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protected:
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    // pointer to the next cell
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    wxHtmlCell *m_Next;
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    // pointer to parent cell
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    wxHtmlContainerCell *m_Parent;
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    // dimensions of fragment (m_Descent is used to position text & images)
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    long m_Width, m_Height, m_Descent;
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    // position where the fragment is drawn:
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    long m_PosX, m_PosY;
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    // superscript/subscript/normal:
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    wxHtmlScriptMode m_ScriptMode;
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    long m_ScriptBaseline;
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    // destination address if this fragment is hypertext link, NULL otherwise
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    wxHtmlLinkInfo *m_Link;
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    // true if this cell can be placed on pagebreak, false otherwise
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    bool m_CanLiveOnPagebreak;
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    // unique identifier of the cell, generated from "id" property of tags
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    wxString m_id;
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    DECLARE_ABSTRACT_CLASS(wxHtmlCell)
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    DECLARE_NO_COPY_CLASS(wxHtmlCell)
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};
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// ----------------------------------------------------------------------------
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// Inherited cells:
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxHtmlWordCell
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//                  Single word in input stream.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell
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{
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public:
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    wxHtmlWordCell(const wxString& word, const wxDC& dc);
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    void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
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              wxHtmlRenderingInfo& info);
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    virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const;
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    virtual wxString ConvertToText(wxHtmlSelection *sel) const;
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    bool IsLinebreakAllowed() const { return m_allowLinebreak; }
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    void SetPreviousWord(wxHtmlWordCell *cell);
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protected:
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    virtual wxString GetAllAsText() const
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        { return m_Word; }
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    virtual wxString GetPartAsText(int begin, int end) const
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        { return m_Word.Mid(begin, end - begin); }
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    void SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const;
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    void Split(const wxDC& dc,
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               const wxPoint& selFrom, const wxPoint& selTo,
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               unsigned& pos1, unsigned& pos2) const;
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    wxString m_Word;
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    bool     m_allowLinebreak;
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    DECLARE_ABSTRACT_CLASS(wxHtmlWordCell)
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    DECLARE_NO_COPY_CLASS(wxHtmlWordCell)
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};
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// wxHtmlWordCell specialization for storing text fragments with embedded
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// '\t's; these differ from normal words in that the displayed text is
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// different from the text copied to clipboard
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class WXDLLIMPEXP_HTML wxHtmlWordWithTabsCell : public wxHtmlWordCell
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{
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public:
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    wxHtmlWordWithTabsCell(const wxString& word,
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                           const wxString& wordOrig,
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                           size_t linepos,
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                           const wxDC& dc)
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        : wxHtmlWordCell(word, dc),
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          m_wordOrig(wordOrig),
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          m_linepos(linepos)
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    {}
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protected:
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    virtual wxString GetAllAsText() const;
 | 
						|
    virtual wxString GetPartAsText(int begin, int end) const;
 | 
						|
 | 
						|
    wxString m_wordOrig;
 | 
						|
    size_t   m_linepos;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
// Container contains other cells, thus forming tree structure of rendering
 | 
						|
// elements. Basic code of layout algorithm is contained in this class.
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxHtmlContainerCell(wxHtmlContainerCell *parent);
 | 
						|
    virtual ~wxHtmlContainerCell();
 | 
						|
 | 
						|
    virtual void Layout(int w);
 | 
						|
    virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 | 
						|
                      wxHtmlRenderingInfo& info);
 | 
						|
    virtual void DrawInvisible(wxDC& dc, int x, int y,
 | 
						|
                               wxHtmlRenderingInfo& info);
 | 
						|
/*    virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;*/
 | 
						|
    virtual bool AdjustPagebreak(int *pagebreak, wxArrayInt& known_pagebreaks) const;
 | 
						|
 | 
						|
    // insert cell at the end of m_Cells list
 | 
						|
    void InsertCell(wxHtmlCell *cell);
 | 
						|
 | 
						|
    // sets horizontal/vertical alignment
 | 
						|
    void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;}
 | 
						|
    int GetAlignHor() const {return m_AlignHor;}
 | 
						|
    void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;}
 | 
						|
    int GetAlignVer() const {return m_AlignVer;}
 | 
						|
 | 
						|
    // sets left-border indentation. units is one of wxHTML_UNITS_* constants
 | 
						|
    // what is combination of wxHTML_INDENT_*
 | 
						|
    void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
 | 
						|
    // returns the indentation. ind is one of wxHTML_INDENT_* constants
 | 
						|
    int GetIndent(int ind) const;
 | 
						|
    // returns type of value returned by GetIndent(ind)
 | 
						|
    int GetIndentUnits(int ind) const;
 | 
						|
 | 
						|
    // sets alignment info based on given tag's params
 | 
						|
    void SetAlign(const wxHtmlTag& tag);
 | 
						|
    // sets floating width adjustment
 | 
						|
    // (examples : 32 percent of parent container,
 | 
						|
    // -15 pixels percent (this means 100 % - 15 pixels)
 | 
						|
    void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;}
 | 
						|
    void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
 | 
						|
    // sets minimal height of this container.
 | 
						|
    void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
 | 
						|
 | 
						|
    void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = true; m_BkColour = clr;}
 | 
						|
    // returns background colour (of wxNullColour if none set), so that widgets can
 | 
						|
    // adapt to it:
 | 
						|
    wxColour GetBackgroundColour();
 | 
						|
    void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = true; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
 | 
						|
    virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
 | 
						|
    virtual const wxHtmlCell* Find(int condition, const void* param) const;
 | 
						|
 | 
						|
#if WXWIN_COMPATIBILITY_2_6
 | 
						|
    // this was replaced by ProcessMouseClick, don't use in new code!
 | 
						|
    virtual void OnMouseClick(wxWindow *window,
 | 
						|
                              int x, int y, const wxMouseEvent& event);
 | 
						|
#endif
 | 
						|
    virtual bool ProcessMouseClick(wxHtmlWindowInterface *window,
 | 
						|
                                   const wxPoint& pos,
 | 
						|
                                   const wxMouseEvent& event);
 | 
						|
 | 
						|
    virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
 | 
						|
 | 
						|
    // returns last child cell:
 | 
						|
    wxHtmlCell* GetLastChild() const { return m_LastCell; }
 | 
						|
 | 
						|
    // see comment in wxHtmlCell about this method
 | 
						|
    virtual bool IsTerminalCell() const { return false; }
 | 
						|
 | 
						|
    virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
 | 
						|
                                  unsigned flags = wxHTML_FIND_EXACT) const;
 | 
						|
 | 
						|
    virtual wxHtmlCell *GetFirstTerminal() const;
 | 
						|
    virtual wxHtmlCell *GetLastTerminal() const;
 | 
						|
 | 
						|
 | 
						|
    // Removes indentation on top or bottom of the container (i.e. above or
 | 
						|
    // below first/last terminal cell). For internal use only.
 | 
						|
    virtual void RemoveExtraSpacing(bool top, bool bottom);
 | 
						|
 | 
						|
    // Returns the maximum possible length of the container.
 | 
						|
    // Call Layout at least once before using GetMaxTotalWidth()
 | 
						|
    virtual int GetMaxTotalWidth() const { return m_MaxTotalWidth; }
 | 
						|
 | 
						|
protected:
 | 
						|
    void UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
 | 
						|
                                 wxHtmlCell *cell) const;
 | 
						|
    void UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
 | 
						|
                                  wxHtmlCell *cell) const;
 | 
						|
 | 
						|
protected:
 | 
						|
    int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom;
 | 
						|
            // indentation of subcells. There is always m_Indent pixels
 | 
						|
            // big space between given border of the container and the subcells
 | 
						|
            // it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels
 | 
						|
    int m_MinHeight, m_MinHeightAlign;
 | 
						|
        // minimal height.
 | 
						|
    wxHtmlCell *m_Cells, *m_LastCell;
 | 
						|
            // internal cells, m_Cells points to the first of them, m_LastCell to the last one.
 | 
						|
            // (LastCell is needed only to speed-up InsertCell)
 | 
						|
    int m_AlignHor, m_AlignVer;
 | 
						|
            // alignment horizontal and vertical (left, center, right)
 | 
						|
    int m_WidthFloat, m_WidthFloatUnits;
 | 
						|
            // width float is used in adjustWidth
 | 
						|
    bool m_UseBkColour;
 | 
						|
    wxColour m_BkColour;
 | 
						|
            // background color of this container
 | 
						|
    bool m_UseBorder;
 | 
						|
    wxColour m_BorderColour1, m_BorderColour2;
 | 
						|
            // borders color of this container
 | 
						|
    int m_LastLayout;
 | 
						|
            // if != -1 then call to Layout may be no-op
 | 
						|
            // if previous call to Layout has same argument
 | 
						|
    int m_MaxTotalWidth;
 | 
						|
            // Maximum possible length if ignoring line wrap
 | 
						|
 | 
						|
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxHtmlContainerCell)
 | 
						|
    DECLARE_NO_COPY_CLASS(wxHtmlContainerCell)
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
// ---------------------------------------------------------------------------
 | 
						|
// wxHtmlColourCell
 | 
						|
//                  Color changer.
 | 
						|
// ---------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlColourCell : public wxHtmlCell
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
 | 
						|
    virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 | 
						|
                      wxHtmlRenderingInfo& info);
 | 
						|
    virtual void DrawInvisible(wxDC& dc, int x, int y,
 | 
						|
                               wxHtmlRenderingInfo& info);
 | 
						|
 | 
						|
protected:
 | 
						|
    wxColour m_Colour;
 | 
						|
    unsigned m_Flags;
 | 
						|
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxHtmlColourCell)
 | 
						|
    DECLARE_NO_COPY_CLASS(wxHtmlColourCell)
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
// wxHtmlFontCell
 | 
						|
//                  Sets actual font used for text rendering
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlFontCell : public wxHtmlCell
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); }
 | 
						|
    virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 | 
						|
                      wxHtmlRenderingInfo& info);
 | 
						|
    virtual void DrawInvisible(wxDC& dc, int x, int y,
 | 
						|
                               wxHtmlRenderingInfo& info);
 | 
						|
 | 
						|
protected:
 | 
						|
    wxFont m_Font;
 | 
						|
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxHtmlFontCell)
 | 
						|
    DECLARE_NO_COPY_CLASS(wxHtmlFontCell)
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
// wxHtmlwidgetCell
 | 
						|
//                  This cell is connected with wxWindow object
 | 
						|
//                  You can use it to insert windows into HTML page
 | 
						|
//                  (buttons, input boxes etc.)
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell
 | 
						|
{
 | 
						|
public:
 | 
						|
    // !!! wnd must have correct parent!
 | 
						|
    // if w != 0 then the m_Wnd has 'floating' width - it adjust
 | 
						|
    // it's width according to parent container's width
 | 
						|
    // (w is percent of parent's width)
 | 
						|
    wxHtmlWidgetCell(wxWindow *wnd, int w = 0);
 | 
						|
    virtual ~wxHtmlWidgetCell() { m_Wnd->Destroy(); }
 | 
						|
    virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 | 
						|
                      wxHtmlRenderingInfo& info);
 | 
						|
    virtual void DrawInvisible(wxDC& dc, int x, int y,
 | 
						|
                               wxHtmlRenderingInfo& info);
 | 
						|
    virtual void Layout(int w);
 | 
						|
 | 
						|
protected:
 | 
						|
    wxWindow* m_Wnd;
 | 
						|
    int m_WidthFloat;
 | 
						|
            // width float is used in adjustWidth (it is in percents)
 | 
						|
 | 
						|
    DECLARE_ABSTRACT_CLASS(wxHtmlWidgetCell)
 | 
						|
    DECLARE_NO_COPY_CLASS(wxHtmlWidgetCell)
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
// wxHtmlLinkInfo
 | 
						|
//                  Internal data structure. It represents hypertext link
 | 
						|
//--------------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxHtmlLinkInfo() : wxObject()
 | 
						|
          { m_Href = m_Target = wxEmptyString; m_Event = NULL, m_Cell = NULL; }
 | 
						|
    wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject()
 | 
						|
          { m_Href = href; m_Target = target; m_Event = NULL, m_Cell = NULL; }
 | 
						|
    wxHtmlLinkInfo(const wxHtmlLinkInfo& l) : wxObject()
 | 
						|
          { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 | 
						|
            m_Cell = l.m_Cell; }
 | 
						|
    wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l)
 | 
						|
          { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 | 
						|
            m_Cell = l.m_Cell; return *this; }
 | 
						|
 | 
						|
    void SetEvent(const wxMouseEvent *e) { m_Event = e; }
 | 
						|
    void SetHtmlCell(const wxHtmlCell *e) { m_Cell = e; }
 | 
						|
 | 
						|
    wxString GetHref() const { return m_Href; }
 | 
						|
    wxString GetTarget() const { return m_Target; }
 | 
						|
    const wxMouseEvent* GetEvent() const { return m_Event; }
 | 
						|
    const wxHtmlCell* GetHtmlCell() const { return m_Cell; }
 | 
						|
 | 
						|
private:
 | 
						|
    wxString m_Href, m_Target;
 | 
						|
    const wxMouseEvent *m_Event;
 | 
						|
    const wxHtmlCell *m_Cell;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
// wxHtmlTerminalCellsInterator
 | 
						|
// ----------------------------------------------------------------------------
 | 
						|
 | 
						|
class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator
 | 
						|
{
 | 
						|
public:
 | 
						|
    wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)
 | 
						|
        : m_to(to), m_pos(from) {}
 | 
						|
 | 
						|
    operator bool() const { return m_pos != NULL; }
 | 
						|
    const wxHtmlCell* operator++();
 | 
						|
    const wxHtmlCell* operator->() const { return m_pos; }
 | 
						|
    const wxHtmlCell* operator*() const { return m_pos; }
 | 
						|
 | 
						|
private:
 | 
						|
    const wxHtmlCell *m_to, *m_pos;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
 | 
						|
#endif // wxUSE_HTML
 | 
						|
 | 
						|
#endif // _WX_HTMLCELL_H_
 | 
						|
 |