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 WXDLLIMPEXP_HTML wxHtmlLinkInfo;
  29 class WXDLLIMPEXP_HTML wxHtmlCell;
  30 class WXDLLIMPEXP_HTML 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 WXDLLIMPEXP_HTML 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, const wxHtmlCell *fromCell,
  45              const wxPoint& toPos, const wxHtmlCell *toCell);
  46     void Set(const wxHtmlCell *fromCell, const 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     void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; }
  61
  62     const bool IsEmpty() const
  63         { return m_fromPos == wxDefaultPosition &&
  64                  m_toPos == wxDefaultPosition; }
  65
  66 private:
  67     wxPoint m_fromPos, m_toPos;
  68     wxPoint m_fromPrivPos, m_toPrivPos;
  69     const wxHtmlCell *m_fromCell, *m_toCell;
  70 };
  71
  72
  73
  74 enum wxHtmlSelectionState
  75 {
  76     wxHTML_SEL_OUT,     // currently rendered cell is outside the selection
  77     wxHTML_SEL_IN,      // ... is inside selection
  78     wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
  79 };
  80
  81 // Selection state is passed to wxHtmlCell::Draw so that it can render itself
  82 // differently e.g. when inside text selection or outside it.
  83 class WXDLLIMPEXP_HTML wxHtmlRenderingState
  84 {
  85 public:
  86     wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {}
  87
  88     void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; }
  89     wxHtmlSelectionState GetSelectionState() const { return m_selState; }
  90
  91     void SetFgColour(const wxColour& c) { m_fgColour = c; }
  92     const wxColour& GetFgColour() const { return m_fgColour; }
  93     void SetBgColour(const wxColour& c) { m_bgColour = c; }
  94     const wxColour& GetBgColour() const { return m_bgColour; }
  95
  96 private:
  97     wxHtmlSelectionState  m_selState;
  98     wxColour              m_fgColour, m_bgColour;
  99 };
 100
 101
 102 // HTML rendering customization. This class is used when rendering wxHtmlCells
 103 // as a callback:
 104 class WXDLLIMPEXP_HTML wxHtmlRenderingStyle
 105 {
 106 public:
 107     virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
 108     virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
 109 };
 110
 111 // Standard style:
 112 class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle
 113 {
 114 public:
 115     virtual wxColour GetSelectedTextColour(const wxColour& clr);
 116     virtual wxColour GetSelectedTextBgColour(const wxColour& clr);
 117 };
 118
 119
 120 // Information given to cells when drawing them. Contains rendering state,
 121 // selection information and rendering style object that can be used to
 122 // customize the output.
 123 class WXDLLIMPEXP_HTML wxHtmlRenderingInfo
 124 {
 125 public:
 126     wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {}
 127
 128     void SetSelection(wxHtmlSelection *s) { m_selection = s; }
 129     wxHtmlSelection *GetSelection() const { return m_selection; }
 130
 131     void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; }
 132     wxHtmlRenderingStyle& GetStyle() { return *m_style; }
 133
 134     wxHtmlRenderingState& GetState() { return m_state; }
 135
 136 protected:
 137     wxHtmlSelection      *m_selection;
 138     wxHtmlRenderingStyle *m_style;
 139     wxHtmlRenderingState m_state;
 140 };
 141
 142
 143 // Flags for wxHtmlCell::FindCellByPos
 144 enum
 145 {
 146     wxHTML_FIND_EXACT             = 1,
 147     wxHTML_FIND_NEAREST_BEFORE    = 2,
 148     wxHTML_FIND_NEAREST_AFTER     = 4
 149 };
 150
 151
 152
 153
 154 // ---------------------------------------------------------------------------
 155 // wxHtmlCell
 156 //                  Internal data structure. It represents fragments of parsed
 157 //                  HTML page - a word, picture, table, horizontal line and so
 158 //                  on.  It is used by wxHtmlWindow to represent HTML page in
 159 //                  memory.
 160 // ---------------------------------------------------------------------------
 161
 162
 163 class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject
 164 {
 165 public:
 166     wxHtmlCell();
 167     virtual ~wxHtmlCell();
 168
 169     void SetParent(wxHtmlContainerCell *p) {m_Parent = p;}
 170     wxHtmlContainerCell *GetParent() const {return m_Parent;}
 171
 172     int GetPosX() const {return m_PosX;}
 173     int GetPosY() const {return m_PosY;}
 174     int GetWidth() const {return m_Width;}
 175     int GetHeight() const {return m_Height;}
 176     int GetDescent() const {return m_Descent;}
 177
 178     const wxString& GetId() const { return m_id; }
 179     void SetId(const wxString& id) { m_id = id; }
 180
 181     // returns the link associated with this cell. The position is position
 182     // within the cell so it varies from 0 to m_Width, from 0 to m_Height
 183     virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
 184                                     int WXUNUSED(y) = 0) const
 185         { return m_Link; }
 186
 187     // Returns cursor to be used when mouse is over the cell:
 188     virtual wxCursor GetCursor() const;
 189
 190     // return next cell among parent's cells
 191     wxHtmlCell *GetNext() const {return m_Next;}
 192     // returns first child cell (if there are any, i.e. if this is container):
 193     virtual wxHtmlCell* GetFirstChild() const { return NULL; }
 194
 195     // members writing methods
 196     virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;}
 197     void SetLink(const wxHtmlLinkInfo& link);
 198     void SetNext(wxHtmlCell *cell) {m_Next = cell;}
 199
 200     // 1. adjust cell's width according to the fact that maximal possible width
 201     //    is w.  (this has sense when working with horizontal lines, tables
 202     //    etc.)
 203     // 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height)
 204     //    members) = place items to fit window, according to the width w
 205     virtual void Layout(int w);
 206
 207     // renders the cell
 208     virtual void Draw(wxDC& WXUNUSED(dc),
 209                       int WXUNUSED(x), int WXUNUSED(y),
 210                       int WXUNUSED(view_y1), int WXUNUSED(view_y2),
 211                       wxHtmlRenderingInfo& WXUNUSED(info)) {}
 212
 213     // proceed drawing actions in case the cell is not visible (scrolled out of
 214     // screen).  This is needed to change fonts, colors and so on.
 215     virtual void DrawInvisible(wxDC& WXUNUSED(dc),
 216                                int WXUNUSED(x), int WXUNUSED(y),
 217                                wxHtmlRenderingInfo& WXUNUSED(info)) {}
 218
 219     // This method returns pointer to the FIRST cell for that
 220     // the condition
 221     // is true. It first checks if the condition is true for this
 222     // cell and then calls m_Next->Find(). (Note: it checks
 223     // all subcells if the cell is container)
 224     // Condition is unique condition identifier (see htmldefs.h)
 225     // (user-defined condition IDs should start from 10000)
 226     // and param is optional parameter
 227     // Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news");
 228     //   returns pointer to anchor news
 229     virtual const wxHtmlCell* Find(int condition, const void* param) const;
 230
 231     // This function is called when mouse button is clicked over the cell.
 232     //
 233     // Parent is pointer to wxHtmlWindow that generated the event
 234     // HINT: if this handling is not enough for you you should use
 235     //       wxHtmlWidgetCell
 236     virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
 237
 238     // This method used to adjust pagebreak position. The parameter is variable
 239     // that contains y-coordinate of page break (= horizontal line that should
 240     // not be crossed by words, images etc.). If this cell cannot be divided
 241     // into two pieces (each one on another page) then it moves the pagebreak
 242     // few pixels up.
 243     //
 244     // Returned value : true if pagebreak was modified, false otherwise
 245     // Usage : while (container->AdjustPagebreak(&p)) {}
 246     virtual bool AdjustPagebreak(int *pagebreak,
 247                                  int *known_pagebreaks = NULL,
 248                                  int number_of_pages = 0) const;
 249
 250     // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
 251     // is true - the cell can be split on two pages
 252     void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
 253
 254     // Returns y-coordinates that contraint the cell, i.e. left is highest
 255     // and right lowest coordinate such that the cell lays between then.
 256     // Note: this method does not return meaningful values if you haven't
 257     //       called Layout() before!
 258     virtual void GetHorizontalConstraints(int *left, int *right) const;
 259
 260     // Returns true for simple == terminal cells, i.e. not composite ones.
 261     // This if for internal usage only and may disappear in future versions!
 262     virtual bool IsTerminalCell() const { return TRUE; }
 263
 264     // Find a cell inside this cell positioned at the given coordinates
 265     // (relative to this's positions). Returns NULL if no such cell exists.
 266     // The flag can be used to specify whether to look for terminal or
 267     // nonterminal cells or both. In either case, returned cell is deepest
 268     // cell in cells tree that contains [x,y].
 269     virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
 270                                   unsigned flags = wxHTML_FIND_EXACT) const;
 271
 272     // Returns absolute position of the cell on HTML canvas
 273     wxPoint GetAbsPos() const;
 274
 275     // Returns first (last) terminal cell inside this cell. It may return NULL,
 276     // but it is rare -- only if there are no terminals in the tree.
 277     virtual wxHtmlCell *GetFirstTerminal() const
 278         { return wxConstCast(this, wxHtmlCell); }
 279     virtual wxHtmlCell *GetLastTerminal() const
 280         { return wxConstCast(this, wxHtmlCell); }
 281
 282     // Returns cell's depth, i.e. how far under the root cell it is
 283     // (if it is the root, depth is 0)
 284     unsigned GetDepth() const;
 285
 286     // Returns true if the cell appears before 'cell' in natural order of
 287     // cells (= as they are read). If cell A is (grand)parent of cell B,
 288     // then both A.IsBefore(B) and B.IsBefore(A) always return true.
 289     bool IsBefore(wxHtmlCell *cell) const;
 290
 291     // Converts the cell into text representation. If sel != NULL then
 292     // only part of the cell inside the selection is converted.
 293     virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const
 294         { return wxEmptyString; }
 295
 296 protected:
 297     wxHtmlCell *m_Next;
 298             // pointer to the next cell
 299     wxHtmlContainerCell *m_Parent;
 300             // pointer to parent cell
 301     long m_Width, m_Height, m_Descent;
 302             // dimensions of fragment
 303             // m_Descent is used to position text&images..
 304     long m_PosX, m_PosY;
 305             // position where the fragment is drawn
 306     wxHtmlLinkInfo *m_Link;
 307             // destination address if this fragment is hypertext link, NULL otherwise
 308     bool m_CanLiveOnPagebreak;
 309             // true if this cell can be placed on pagebreak, false otherwise
 310     wxString m_id;
 311             // unique identifier of the cell, generated from "id" property of tags
 312
 313     DECLARE_NO_COPY_CLASS(wxHtmlCell)
 314 };
 315
 316
 317
 318
 319 // ----------------------------------------------------------------------------
 320 // Inherited cells:
 321 // ----------------------------------------------------------------------------
 322
 323
 324 // ----------------------------------------------------------------------------
 325 // wxHtmlWordCell
 326 //                  Single word in input stream.
 327 // ----------------------------------------------------------------------------
 328
 329 class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell
 330 {
 331 public:
 332     wxHtmlWordCell(const wxString& word, wxDC& dc);
 333     void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 334               wxHtmlRenderingInfo& info);
 335     wxCursor GetCursor() const;
 336     wxString ConvertToText(wxHtmlSelection *sel) const;
 337
 338 protected:
 339     void SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const;
 340     void Split(wxDC& dc,
 341                const wxPoint& selFrom, const wxPoint& selTo,
 342                unsigned& pos1, unsigned& pos2) const;
 343
 344     wxString m_Word;
 345 };
 346
 347
 348
 349
 350
 351 // Container contains other cells, thus forming tree structure of rendering
 352 // elements. Basic code of layout algorithm is contained in this class.
 353 class WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell
 354 {
 355 public:
 356     wxHtmlContainerCell(wxHtmlContainerCell *parent);
 357     ~wxHtmlContainerCell();
 358
 359     virtual void Layout(int w);
 360     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 361                       wxHtmlRenderingInfo& info);
 362     virtual void DrawInvisible(wxDC& dc, int x, int y,
 363                                wxHtmlRenderingInfo& info);
 364     virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;
 365
 366     // insert cell at the end of m_Cells list
 367     void InsertCell(wxHtmlCell *cell);
 368
 369     // sets horizontal/vertical alignment
 370     void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;}
 371     int GetAlignHor() const {return m_AlignHor;}
 372     void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;}
 373     int GetAlignVer() const {return m_AlignVer;}
 374
 375     // sets left-border indentation. units is one of wxHTML_UNITS_* constants
 376     // what is combination of wxHTML_INDENT_*
 377     void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
 378     // returns the indentation. ind is one of wxHTML_INDENT_* constants
 379     int GetIndent(int ind) const;
 380     // returns type of value returned by GetIndent(ind)
 381     int GetIndentUnits(int ind) const;
 382
 383     // sets alignment info based on given tag's params
 384     void SetAlign(const wxHtmlTag& tag);
 385     // sets floating width adjustment
 386     // (examples : 32 percent of parent container,
 387     // -15 pixels percent (this means 100 % - 15 pixels)
 388     void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;}
 389     void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
 390     // sets minimal height of this container.
 391     void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
 392
 393     void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = TRUE; m_BkColour = clr;}
 394     // returns background colour (of wxNullColour if none set), so that widgets can
 395     // adapt to it:
 396     wxColour GetBackgroundColour();
 397     void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = TRUE; m_BorderColour1 = clr1, m_BorderColour2 = clr2;}
 398     virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
 399     virtual const wxHtmlCell* Find(int condition, const void* param) const;
 400     virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event);
 401     virtual void GetHorizontalConstraints(int *left, int *right) const;
 402
 403     virtual wxHtmlCell* GetFirstChild() const { return m_Cells; }
 404 #if WXWIN_COMPATIBILITY_2_4
 405     wxDEPRECATED( wxHtmlCell* GetFirstCell() const );
 406 #endif
 407
 408     // see comment in wxHtmlCell about this method
 409     virtual bool IsTerminalCell() const { return FALSE; }
 410
 411     virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y,
 412                                   unsigned flags = wxHTML_FIND_EXACT) const;
 413
 414     virtual wxHtmlCell *GetFirstTerminal() const;
 415     virtual wxHtmlCell *GetLastTerminal() const;
 416
 417 protected:
 418     void UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
 419                                  wxHtmlCell *cell) const;
 420     void UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
 421                                   wxHtmlCell *cell) const;
 422
 423 protected:
 424     int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom;
 425             // indentation of subcells. There is always m_Indent pixels
 426             // big space between given border of the container and the subcells
 427             // it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels
 428     int m_MinHeight, m_MinHeightAlign;
 429         // minimal height.
 430     wxHtmlCell *m_Cells, *m_LastCell;
 431             // internal cells, m_Cells points to the first of them, m_LastCell to the last one.
 432             // (LastCell is needed only to speed-up InsertCell)
 433     int m_AlignHor, m_AlignVer;
 434             // alignment horizontal and vertical (left, center, right)
 435     int m_WidthFloat, m_WidthFloatUnits;
 436             // width float is used in adjustWidth
 437     bool m_UseBkColour;
 438     wxColour m_BkColour;
 439             // background color of this container
 440     bool m_UseBorder;
 441     wxColour m_BorderColour1, m_BorderColour2;
 442             // borders color of this container
 443     int m_LastLayout;
 444             // if != -1 then call to Layout may be no-op
 445             // if previous call to Layout has same argument
 446
 447     DECLARE_NO_COPY_CLASS(wxHtmlContainerCell)
 448 };
 449
 450 #if WXWIN_COMPATIBILITY_2_4
 451 inline wxHtmlCell* wxHtmlContainerCell::GetFirstCell() const
 452     { return GetFirstChild(); }
 453 #endif
 454
 455
 456
 457
 458 // ---------------------------------------------------------------------------
 459 // wxHtmlColourCell
 460 //                  Color changer.
 461 // ---------------------------------------------------------------------------
 462
 463 class WXDLLIMPEXP_HTML wxHtmlColourCell : public wxHtmlCell
 464 {
 465 public:
 466     wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
 467     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 468                       wxHtmlRenderingInfo& info);
 469     virtual void DrawInvisible(wxDC& dc, int x, int y,
 470                                wxHtmlRenderingInfo& info);
 471
 472 protected:
 473     wxColour m_Colour;
 474     unsigned m_Flags;
 475 };
 476
 477
 478
 479
 480 //--------------------------------------------------------------------------------
 481 // wxHtmlFontCell
 482 //                  Sets actual font used for text rendering
 483 //--------------------------------------------------------------------------------
 484
 485 class WXDLLIMPEXP_HTML wxHtmlFontCell : public wxHtmlCell
 486 {
 487 public:
 488     wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); }
 489     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 490                       wxHtmlRenderingInfo& info);
 491     virtual void DrawInvisible(wxDC& dc, int x, int y,
 492                                wxHtmlRenderingInfo& info);
 493
 494 protected:
 495     wxFont m_Font;
 496 };
 497
 498
 499
 500
 501
 502
 503 //--------------------------------------------------------------------------------
 504 // wxHtmlwidgetCell
 505 //                  This cell is connected with wxWindow object
 506 //                  You can use it to insert windows into HTML page
 507 //                  (buttons, input boxes etc.)
 508 //--------------------------------------------------------------------------------
 509
 510 class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell
 511 {
 512 public:
 513     // !!! wnd must have correct parent!
 514     // if w != 0 then the m_Wnd has 'floating' width - it adjust
 515     // it's width according to parent container's width
 516     // (w is percent of parent's width)
 517     wxHtmlWidgetCell(wxWindow *wnd, int w = 0);
 518     ~wxHtmlWidgetCell() { m_Wnd->Destroy(); }
 519     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 520                       wxHtmlRenderingInfo& info);
 521     virtual void DrawInvisible(wxDC& dc, int x, int y,
 522                                wxHtmlRenderingInfo& info);
 523     virtual void Layout(int w);
 524
 525 protected:
 526     wxWindow* m_Wnd;
 527     int m_WidthFloat;
 528             // width float is used in adjustWidth (it is in percents)
 529
 530     DECLARE_NO_COPY_CLASS(wxHtmlWidgetCell)
 531 };
 532
 533
 534
 535 //--------------------------------------------------------------------------------
 536 // wxHtmlLinkInfo
 537 //                  Internal data structure. It represents hypertext link
 538 //--------------------------------------------------------------------------------
 539
 540 class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject
 541 {
 542 public:
 543     wxHtmlLinkInfo() : wxObject()
 544           { m_Href = m_Target = wxEmptyString; m_Event = NULL, m_Cell = NULL; }
 545     wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject()
 546           { m_Href = href; m_Target = target; m_Event = NULL, m_Cell = NULL; }
 547     wxHtmlLinkInfo(const wxHtmlLinkInfo& l) : wxObject()
 548           { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 549             m_Cell = l.m_Cell; }
 550     wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l)
 551           { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event;
 552             m_Cell = l.m_Cell; return *this; }
 553
 554     void SetEvent(const wxMouseEvent *e) { m_Event = e; }
 555     void SetHtmlCell(const wxHtmlCell *e) { m_Cell = e; }
 556
 557     wxString GetHref() const { return m_Href; }
 558     wxString GetTarget() const { return m_Target; }
 559     const wxMouseEvent* GetEvent() const { return m_Event; }
 560     const wxHtmlCell* GetHtmlCell() const { return m_Cell; }
 561
 562 private:
 563     wxString m_Href, m_Target;
 564     const wxMouseEvent *m_Event;
 565     const wxHtmlCell *m_Cell;
 566 };
 567
 568
 569
 570 // ----------------------------------------------------------------------------
 571 // wxHtmlTerminalCellsInterator
 572 // ----------------------------------------------------------------------------
 573
 574 class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator
 575 {
 576 public:
 577     wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)
 578         : m_to(to), m_pos(from) {}
 579
 580     operator bool() const { return m_pos != NULL; }
 581     const wxHtmlCell* operator++();
 582     const wxHtmlCell* operator->() const { return m_pos; }
 583     const wxHtmlCell* operator*() const { return m_pos; }
 584
 585 private:
 586     const wxHtmlCell *m_to, *m_pos;
 587 };
 588
 589
 590
 591 #endif // wxUSE_HTML
 592
 593 #endif // _WX_HTMLCELL_H_
 594