include/wx/html/htmlcell.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        htmlcell.h
   3 // Purpose:     wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser
   4 //              as a basic visual element of HTML page
   5 // Author:      Vaclav Slavik
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 1999-2003 Vaclav Slavik
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifndef _WX_HTMLCELL_H_
  13 #define _WX_HTMLCELL_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "htmlcell.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_HTML
  22
  23 #include "wx/html/htmltag.h"
  24 #include "wx/html/htmldefs.h"
  25 #include "wx/window.h"
  26
  27
  28 class WXDLLEXPORT wxHtmlLinkInfo;
  29 class WXDLLEXPORT wxHtmlCell;
  30 class WXDLLEXPORT wxHtmlContainerCell;
  31
  32
  33 // wxHtmlSelection is data holder with information about text selection.
  34 // Selection is defined by two positions (beginning and end of the selection)
  35 // and two leaf(!) cells at these positions.
  36 class WXDLLEXPORT wxHtmlSelection
  37 {
  38 public:
  39     wxHtmlSelection()
  40         : m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
  41           m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
  42           m_fromCell(NULL), m_toCell(NULL) {}
  43
  44     void Set(const wxPoint& fromPos, wxHtmlCell *fromCell,
  45              const wxPoint& toPos, wxHtmlCell *toCell);
  46     void Set(wxHtmlCell *fromCell, wxHtmlCell *toCell);
  47
  48     const wxHtmlCell *GetFromCell() const { return m_fromCell; }
  49     const wxHtmlCell *GetToCell() const { return m_toCell; }
  50
  51     // these values are in absolute coordinates:
  52     const wxPoint& GetFromPos() const { return m_fromPos; }
  53     const wxPoint& GetToPos() const { return m_toPos; }
  54
  55     // these are From/ToCell's private data
  56     const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; }
  57     const wxPoint& GetToPrivPos() const { return m_toPrivPos; }
  58     void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; }
  59     void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; }
  60
  61     const bool IsEmpty() const
  62         { return m_fromPos == wxDefaultPosition &&
  63                  m_toPos == wxDefaultPosition; }
  64
  65 private:
  66     wxPoint m_fromPos, m_toPos;
  67     wxPoint m_fromPrivPos, m_toPrivPos;
  68     wxHtmlCell *m_fromCell, *m_toCell;
  69 };
  70
  71
  72
  73 enum wxHtmlSelectionState
  74 {
  75     wxHTML_SEL_OUT,     // currently rendered cell is outside the selection
  76     wxHTML_SEL_IN,      // ... is inside selection
  77     wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
  78 };
  79
  80 // Selection state is passed to wxHtmlCell::Draw so that it can render itself
  81 // differently e.g. when inside text selection or outside it.
  82 class WXDLLEXPORT wxHtmlRenderingState
  83 {
  84 public:
  85     wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
  86
  87     void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
  88     wxHtmlSelectionState GetSelectionState() const { return m_selState; }
  89
  90     void SetFgColour(const wxColour& c) { m_fgColour = c; }
  91     const wxColour& GetFgColour() const { return m_fgColour; }
  92     void SetBgColour(const wxColour& c) { m_bgColour = c; }
  93     const wxColour& GetBgColour() const { return m_bgColour; }
  94
  95 private:
  96     wxHtmlSelectionState  m_selState;
  97     wxColour              m_fgColour, m_bgColour;
  98 };
  99
 100
 101 // HTML rendering customization. This class is used when rendering wxHtmlCells
 102 // as a callback:
 103 class WXDLLEXPORT wxHtmlRenderingStyle
 104 {
 105 public:
 106     virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
 107     virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
 108 };
 109
 110 // Standard style:
 111 class WXDLLEXPORT wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
 112 {
 113 public:
 114     virtual wxColour GetSelectedTextColour(const wxColour& clr);
 115     virtual wxColour GetSelectedTextBgColour(const wxColour& clr);
 116 };
 117
 118
 119 // Information given to cells when drawing them. Contains rendering state,
 120 // selection information and rendering style object that can be used to
 121 // customize the output.
 122 class WXDLLEXPORT wxHtmlRenderingInfo
 123 {
 124 public:
 125     wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {}
 126
 127     void SetSelection(wxHtmlSelection *s) { m_selection = s; }
 128     wxHtmlSelection *GetSelection() const { return m_selection; }
 129
 130     void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; }
 131     wxHtmlRenderingStyle& GetStyle() { return *m_style; }
 132
 133     wxHtmlRenderingState& GetState() { return m_state; }
 134
 135 protected:
 136     wxHtmlSelection      *m_selection;
 137     wxHtmlRenderingStyle *m_style;
 138     wxHtmlRenderingState m_state;
 139 };
 140
 141
 142 // Flags for wxHtmlCell::FindCellByPos
 143 enum
 144 {
 145     wxHTML_FIND_EXACT             = 1,
 146     wxHTML_FIND_NEAREST_BEFORE    = 2,
 147     wxHTML_FIND_NEAREST_AFTER     = 4,
 148 };
 149
 150
 151
 152
 153 // ---------------------------------------------------------------------------
 154 // wxHtmlCell
 155 //                  Internal data structure. It represents fragments of parsed
 156 //                  HTML page - a word, picture, table, horizontal line and so
 157 //                  on.  It is used by wxHtmlWindow to represent HTML page in
 158 //                  memory.
 159 // ---------------------------------------------------------------------------
 160
 161
 162 class WXDLLEXPORT wxHtmlCell : public wxObject
 163 {
 164 public:
 165     wxHtmlCell();
 166     virtual ~wxHtmlCell();
 167
 168     void SetParent(wxHtmlContainerCell *p) {m_Parent = p;}
 169     wxHtmlContainerCell *GetParent() const {return m_Parent;}
 170
 171     int GetPosX() const {return m_PosX;}
 172     int GetPosY() const {return m_PosY;}
 173     int GetWidth() const {return m_Width;}
 174     int GetHeight() const {return m_Height;}
 175     int GetDescent() const {return m_Descent;}
 176
 177     const wxString& GetId() const { return m_id; }
 178     void SetId(const wxString& id) { m_id = id; }
 179
 180     // returns the link associated with this cell. The position is position
 181     // within the cell so it varies from 0 to m_Width, from 0 to m_Height
 182     virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
 183                                     int WXUNUSED(y) = 0) const
 184         { return m_Link; }
 185
 186     // return next cell among parent's cells
 187     wxHtmlCell *GetNext() const {return m_Next;}
 188     // returns first child cell (if there are any, i.e. if this is container):
 189     virtual wxHtmlCell* GetFirstChild() const { return NULL; }
 190
 191     // members writing methods
 192     virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;}
 193     void SetLink(const wxHtmlLinkInfo& link);
 194     void SetNext(wxHtmlCell *cell) {m_Next = cell;}
 195
 196     // 1. adjust cell's width according to the fact that maximal possible width
 197     //    is w.  (this has sense when working with horizontal lines, tables
 198     //    etc.)
 199     // 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height)
 200     //    members) = place items to fit window, according to the width w
 201     virtual void Layout(int w);
 202
 203     // renders the cell
 204     virtual void Draw(wxDC& WXUNUSED(dc),
 205                       int WXUNUSED(x), int WXUNUSED(y),
 206                       int WXUNUSED(view_y1), int WXUNUSED(view_y2),
 207                       wxHtmlRenderingInfo& WXUNUSED(info)) {}
 208
 209     // proceed drawing actions in case the cell is not visible (scrolled out of
 210     // screen).  This is needed to change fonts, colors and so on.
 211     virtual void DrawInvisible(wxDC& WXUNUSED(dc),
 212                                int WXUNUSED(x), int WXUNUSED(y),
 213                                wxHtmlRenderingInfo& WXUNUSED(info)) {}
 214
 215     // This method returns pointer to the FIRST cell for that
 216     // the condition
 217     // is true. It first checks if the condition is true for this
 218     // cell and then calls m_Next->Find(). (Note: it checks
 219     // all subcells if the cell is container)
 220     // Condition is unique condition identifier (see htmldefs.h)
 221     // (user-defined condition IDs should start from 10000)
 222     // and param is optional parameter
 223     // Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news");
 224     //   returns pointer to anchor news
 225     virtual const wxHtmlCell* Find(int condition, const void* param) const;
 226
 227     // This function is called when mouse button is clicked over the cell.
 228     //
 229     // Parent is pointer to wxHtmlWindow that generated the event
 230     // HINT: if this handling is not enough for you you should use
 231     //       wxHtmlWidgetCell
 232     virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
 233
 234     // This method used to adjust pagebreak position. The parameter is variable
 235     // that contains y-coordinate of page break (= horizontal line that should
 236     // not be crossed by words, images etc.). If this cell cannot be divided
 237     // into two pieces (each one on another page) then it moves the pagebreak
 238     // few pixels up.
 239     //
 240     // Returned value : true if pagebreak was modified, false otherwise
 241     // Usage : while (container->AdjustPagebreak(&p)) {}
 242     virtual bool AdjustPagebreak(int *pagebreak,
 243                                  int *known_pagebreaks = NULL,
 244                                  int number_of_pages = 0) const;
 245
 246     // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
 247     // is true - the cell can be split on two pages
 248     void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
 249
 250     // Returns y-coordinates that contraint the cell, i.e. left is highest
 251     // and right lowest coordinate such that the cell lays between then.
 252     // Note: this method does not return meaningful values if you haven't
 253     //       called Layout() before!
 254     virtual void GetHorizontalConstraints(int *left, int *right) const;
 255
 256     // Returns true for simple == terminal cells, i.e. not composite ones.
 257     // This if for internal usage only and may disappear in future versions!
 258     virtual bool IsTerminalCell() const { return TRUE; }
 259
 260     // Find a cell inside this cell positioned at the given coordinates
 261     // (relative to this's positions). Returns NULL if no such cell exists.
 262     // The flag can be used to specify whether to look for terminal or
 263     // nonterminal cells or both. In either case, returned cell is deepest
 264     // cell in cells tree that contains [x,y].
 265     virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
 266                                   unsigned flags = wxHTML_FIND_EXACT) const;
 267
 268     // Returns absolute position of the cell on HTML canvas
 269     wxPoint GetAbsPos() const;
 270
 271     // Returns first (last) terminal cell inside this cell. It may return NULL,
 272     // but it is rare -- only if there are no terminals in the tree.
 273     virtual wxHtmlCell *GetFirstTerminal() const
 274         { return wxConstCast(this, wxHtmlCell); }
 275     virtual wxHtmlCell *GetLastTerminal() const
 276         { return wxConstCast(this, wxHtmlCell); }
 277
 278     // Returns cell's depth, i.e. how far under the root cell it is
 279     // (if it is the root, depth is 0)
 280     unsigned GetDepth() const;
 281
 282     // Returns true if the cell appears before 'cell' in natural order of
 283     // cells (= as they are read). If cell A is (grand)parent of cell B,
 284     // then both A.IsBefore(B) and B.IsBefore(A) always return true.
 285     bool IsBefore(wxHtmlCell *cell) const;
 286
 287     // Sets cell's private position values in wxHtmlSelection
 288     virtual void SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const {}
 289
 290     // Converts the cell into text representation. If sel != NULL then
 291     // only part of the cell inside the selection is converted.
 292     virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const
 293         { return wxEmptyString; }
 294
 295 protected:
 296     wxHtmlCell *m_Next;
 297             // pointer to the next cell
 298     wxHtmlContainerCell *m_Parent;
 299             // pointer to parent cell
 300     long m_Width, m_Height, m_Descent;
 301             // dimensions of fragment
 302             // m_Descent is used to position text&images..
 303     long m_PosX, m_PosY;
 304             // position where the fragment is drawn
 305     wxHtmlLinkInfo *m_Link;
 306             // destination address if this fragment is hypertext link, NULL otherwise
 307     bool m_CanLiveOnPagebreak;
 308             // true if this cell can be placed on pagebreak, false otherwise
 309     wxString m_id;
 310             // unique identifier of the cell, generated from "id" property of tags
 311
 312     DECLARE_NO_COPY_CLASS(wxHtmlCell)
 313 };
 314
 315
 316
 317
 318 // ----------------------------------------------------------------------------
 319 // Inherited cells:
 320 // ----------------------------------------------------------------------------
 321
 322
 323 // ----------------------------------------------------------------------------
 324 // wxHtmlWordCell
 325 //                  Single word in input stream.
 326 // ----------------------------------------------------------------------------
 327
 328 class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell
 329 {
 330 public:
 331     wxHtmlWordCell(const wxString& word, wxDC& dc);
 332     void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 333               wxHtmlRenderingInfo& info);
 334     wxString ConvertToText(wxHtmlSelection *sel) const;
 335     void SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const;
 336
 337 protected:
 338     void Split(wxDC& dc,
 339                const wxPoint& selFrom, const wxPoint& selTo,
 340                unsigned& pos1, unsigned& pos2) const;
 341
 342     wxString m_Word;
 343 };
 344
 345
 346
 347
 348
 349 // Container contains other cells, thus forming tree structure of rendering
 350 // elements. Basic code of layout algorithm is contained in this class.
 351 class WXDLLEXPORT wxHtmlContainerCell : public wxHtmlCell
 352 {
 353 public:
 354     wxHtmlContainerCell(wxHtmlContainerCell *parent);
 355     ~wxHtmlContainerCell();
 356
 357     virtual void Layout(int w);
 358     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 359                       wxHtmlRenderingInfo& info);
 360     virtual void DrawInvisible(wxDC& dc, int x, int y,
 361                                wxHtmlRenderingInfo& info);
 362     virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;
 363
 364     // insert cell at the end of m_Cells list
 365     void InsertCell(wxHtmlCell *cell);
 366
 367     // sets horizontal/vertical alignment
 368     void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;}
 369     int GetAlignHor() const {return m_AlignHor;}
 370     void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;}
 371     int GetAlignVer() const {return m_AlignVer;}
 372
 373     // sets left-border indentation. units is one of wxHTML_UNITS_* constants
 374     // what is combination of wxHTML_INDENT_*
 375     void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
 376     // returns the indentation. ind is one of wxHTML_INDENT_* constants
 377     int GetIndent(int ind) const;
 378     // returns type of value returned by GetIndent(ind)
 379     int GetIndentUnits(int ind) const;
 380
 381     // sets alignment info based on given tag's params
 382     void SetAlign(const wxHtmlTag& tag);
 383     // sets floating width adjustment
 384     // (examples : 32 percent of parent container,
 385     // -15 pixels percent (this means 100 % - 15 pixels)
 386     void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;}
 387     void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
 388     // sets minimal height of this container.
 389     void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
 390
 391     void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = TRUE; m_BkColour = clr;}
 392     // returns background colour (of wxNullColour if none set), so that widgets can
 393     // adapt to it:
 394     wxColour GetBackgroundColour();
 395     void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = TRUE; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
 396     virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
 397     virtual const wxHtmlCell* Find(int condition, const void* param) const;
 398     virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
 399     virtual void GetHorizontalConstraints(int *left, int *right) const;
 400
 401     virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
 402 #if WXWIN_COMPATIBILITY_2_4
 403     wxDEPRECATED( wxHtmlCell* GetFirstCell() const );
 404 #endif
 405
 406     // see comment in wxHtmlCell about this method
 407     virtual bool IsTerminalCell() const { return FALSE; }
 408
 409     virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
 410                                   unsigned flags = wxHTML_FIND_EXACT) const;
 411
 412     virtual wxHtmlCell *GetFirstTerminal() const;
 413     virtual wxHtmlCell *GetLastTerminal() const;
 414
 415 protected:
 416     void UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
 417                                  wxHtmlCell *cell) const;
 418     void UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
 419                                   wxHtmlCell *cell) const;
 420
 421 protected:
 422     int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom;
 423             // indentation of subcells. There is always m_Indent pixels
 424             // big space between given border of the container and the subcells
 425             // it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels
 426     int m_MinHeight, m_MinHeightAlign;
 427         // minimal height.
 428     wxHtmlCell *m_Cells, *m_LastCell;
 429             // internal cells, m_Cells points to the first of them, m_LastCell to the last one.
 430             // (LastCell is needed only to speed-up InsertCell)
 431     int m_AlignHor, m_AlignVer;
 432             // alignment horizontal and vertical (left, center, right)
 433     int m_WidthFloat, m_WidthFloatUnits;
 434             // width float is used in adjustWidth
 435     bool m_UseBkColour;
 436     wxColour m_BkColour;
 437             // background color of this container
 438     bool m_UseBorder;
 439     wxColour m_BorderColour1, m_BorderColour2;
 440             // borders color of this container
 441     int m_LastLayout;
 442             // if != -1 then call to Layout may be no-op
 443             // if previous call to Layout has same argument
 444
 445     DECLARE_NO_COPY_CLASS(wxHtmlContainerCell)
 446 };
 447
 448 #if WXWIN_COMPATIBILITY_2_4
 449 inline wxHtmlCell* wxHtmlContainerCell::GetFirstCell() const
 450     { return GetFirstChild(); }
 451 #endif
 452
 453
 454
 455
 456 // ---------------------------------------------------------------------------
 457 // wxHtmlColourCell
 458 //                  Color changer.
 459 // ---------------------------------------------------------------------------
 460
 461 class WXDLLEXPORT wxHtmlColourCell : public wxHtmlCell
 462 {
 463 public:
 464     wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
 465     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 466                       wxHtmlRenderingInfo& info);
 467     virtual void DrawInvisible(wxDC& dc, int x, int y,
 468                                wxHtmlRenderingInfo& info);
 469
 470 protected:
 471     wxColour m_Colour;
 472     unsigned m_Flags;
 473 };
 474
 475
 476
 477
 478 //--------------------------------------------------------------------------------
 479 // wxHtmlFontCell
 480 //                  Sets actual font used for text rendering
 481 //--------------------------------------------------------------------------------
 482
 483 class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell
 484 {
 485 public:
 486     wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); }
 487     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 488                       wxHtmlRenderingInfo& info);
 489     virtual void DrawInvisible(wxDC& dc, int x, int y,
 490                                wxHtmlRenderingInfo& info);
 491
 492 protected:
 493     wxFont m_Font;
 494 };
 495
 496
 497
 498
 499
 500
 501 //--------------------------------------------------------------------------------
 502 // wxHtmlwidgetCell
 503 //                  This cell is connected with wxWindow object
 504 //                  You can use it to insert windows into HTML page
 505 //                  (buttons, input boxes etc.)
 506 //--------------------------------------------------------------------------------
 507
 508 class WXDLLEXPORT wxHtmlWidgetCell : public wxHtmlCell
 509 {
 510 public:
 511     // !!! wnd must have correct parent!
 512     // if w != 0 then the m_Wnd has 'floating' width - it adjust
 513     // it's width according to parent container's width
 514     // (w is percent of parent's width)
 515     wxHtmlWidgetCell(wxWindow *wnd, int w = 0);
 516     ~wxHtmlWidgetCell() { m_Wnd->Destroy(); }
 517     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 518                       wxHtmlRenderingInfo& info);
 519     virtual void DrawInvisible(wxDC& dc, int x, int y,
 520                                wxHtmlRenderingInfo& info);
 521     virtual void Layout(int w);
 522
 523 protected:
 524     wxWindow* m_Wnd;
 525     int m_WidthFloat;
 526             // width float is used in adjustWidth (it is in percents)
 527
 528     DECLARE_NO_COPY_CLASS(wxHtmlWidgetCell)
 529 };
 530
 531
 532
 533 //--------------------------------------------------------------------------------
 534 // wxHtmlLinkInfo
 535 //                  Internal data structure. It represents hypertext link
 536 //--------------------------------------------------------------------------------
 537
 538 class WXDLLEXPORT wxHtmlLinkInfo : public wxObject
 539 {
 540 public:
 541     wxHtmlLinkInfo() : wxObject()
 542           { m_Href = m_Target = wxEmptyString; m_Event = NULL, m_Cell = NULL; }
 543     wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject()
 544           { m_Href = href; m_Target = target; m_Event = NULL, m_Cell = NULL; }
 545     wxHtmlLinkInfo(const wxHtmlLinkInfo& l) : wxObject()
 546           { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 547             m_Cell = l.m_Cell; }
 548     wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l)
 549           { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 550             m_Cell = l.m_Cell; return *this; }
 551
 552     void SetEvent(const wxMouseEvent *e) { m_Event = e; }
 553     void SetHtmlCell(const wxHtmlCell *e) { m_Cell = e; }
 554
 555     wxString GetHref() const { return m_Href; }
 556     wxString GetTarget() const { return m_Target; }
 557     const wxMouseEvent* GetEvent() const { return m_Event; }
 558     const wxHtmlCell* GetHtmlCell() const { return m_Cell; }
 559
 560 private:
 561     wxString m_Href, m_Target;
 562     const wxMouseEvent *m_Event;
 563     const wxHtmlCell *m_Cell;
 564 };
 565
 566
 567
 568 // ----------------------------------------------------------------------------
 569 // wxHtmlTerminalCellsInterator
 570 // ----------------------------------------------------------------------------
 571
 572 class WXDLLEXPORT wxHtmlTerminalCellsInterator
 573 {
 574 public:
 575     wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)
 576         : m_to(to), m_pos(from) {}
 577
 578     operator bool() const { return m_pos != NULL; }
 579     const wxHtmlCell* operator++();
 580     const wxHtmlCell* operator->() const { return m_pos; }
 581     const wxHtmlCell* operator*() const { return m_pos; }
 582
 583 private:
 584     const wxHtmlCell *m_to, *m_pos;
 585 };
 586
 587
 588
 589 #endif // wxUSE_HTML
 590
 591 #endif // _WX_HTMLCELL_H_
 592