interface/wx/html/htmlcell.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        html/htmlcell.h
   3 // Purpose:     interface of wxHtml*Cell
   4 // Author:      wxWidgets team
   5 // RCS-ID:      $Id$
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9
  10 /**
  11    @class wxHtmlRenderingStyle
  12
  13    wxHtmlSelection is data holder with information about text selection.
  14    Selection is defined by two positions (beginning and end of the selection)
  15    and two leaf(!) cells at these positions.
  16
  17    @library{wxhtml}
  18    @category{html}
  19 */
  20 class wxHtmlSelection
  21 {
  22 public:
  23     wxHtmlSelection();
  24
  25     // this version is used for the user selection defined with the mouse
  26     void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
  27              const wxPoint& toPos, const wxHtmlCell *toCell);
  28     void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell);
  29
  30     const wxHtmlCell *GetFromCell() const;
  31     const wxHtmlCell *GetToCell() const;
  32
  33     // these values are in absolute coordinates:
  34     const wxPoint& GetFromPos() const;
  35     const wxPoint& GetToPos() const;
  36
  37     // these are From/ToCell's private data
  38     void ClearFromToCharacterPos();
  39     bool AreFromToCharacterPosSet() const;
  40
  41     void SetFromCharacterPos (wxCoord pos);
  42     void SetToCharacterPos (wxCoord pos);
  43     wxCoord GetFromCharacterPos () const;
  44     wxCoord GetToCharacterPos () const;
  45
  46     bool IsEmpty() const;
  47 };
  48
  49
  50
  51 enum wxHtmlSelectionState
  52 {
  53     wxHTML_SEL_OUT,     // currently rendered cell is outside the selection
  54     wxHTML_SEL_IN,      // ... is inside selection
  55     wxHTML_SEL_CHANGING // ... is the cell on which selection state changes
  56 };
  57
  58
  59 /**
  60    @class wxHtmlRenderingState
  61
  62    Selection state is passed to wxHtmlCell::Draw so that it can render itself
  63    differently e.g. when inside text selection or outside it.
  64
  65    @library{wxhtml}
  66    @category{html}
  67 */
  68 class wxHtmlRenderingState
  69 {
  70 public:
  71     wxHtmlRenderingState();
  72
  73     void SetSelectionState(wxHtmlSelectionState s);
  74     wxHtmlSelectionState GetSelectionState() const;
  75
  76     void SetFgColour(const wxColour& c);
  77     const wxColour& GetFgColour() const;
  78     void SetBgColour(const wxColour& c);
  79     const wxColour& GetBgColour() const;
  80     void SetBgMode(int m);
  81     int GetBgMode() const;
  82 };
  83
  84
  85
  86 /**
  87     @class wxHtmlRenderingStyle
  88
  89     Allows HTML rendering customizations.
  90     This class is used when rendering wxHtmlCells as a callback.
  91
  92     @library{wxhtml}
  93     @category{html}
  94
  95     @see wxHtmlRenderingInfo
  96 */
  97 class wxHtmlRenderingStyle
  98 {
  99 public:
 100     /**
 101         Returns the colour to use for the selected text.
 102     */
 103     virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0;
 104
 105     /**
 106         Returns the colour to use for the selected text's background.
 107     */
 108     virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0;
 109 };
 110
 111
 112 /**
 113     @class wxHtmlRenderingInfo
 114
 115     This class contains information given to cells when drawing them.
 116     Contains rendering state, selection information and rendering style object
 117     that can be used to customize the output.
 118
 119     @library{wxhtml}
 120     @category{html}
 121
 122     @see @ref overview_html_cells, wxHtmlCell
 123 */
 124 class wxHtmlRenderingInfo
 125 {
 126 public:
 127     /**
 128         Default ctor.
 129     */
 130     wxHtmlRenderingInfo();
 131
 132     //@{
 133     /**
 134         Accessors.
 135     */
 136     void SetSelection(wxHtmlSelection *s);
 137     wxHtmlSelection *GetSelection() const;
 138
 139     void SetStyle(wxHtmlRenderingStyle *style);
 140     wxHtmlRenderingStyle& GetStyle();
 141
 142     wxHtmlRenderingState& GetState();
 143     //@}
 144 };
 145
 146
 147
 148 // Flags for wxHtmlCell::FindCellByPos
 149 enum
 150 {
 151     wxHTML_FIND_EXACT             = 1,
 152     wxHTML_FIND_NEAREST_BEFORE    = 2,
 153     wxHTML_FIND_NEAREST_AFTER     = 4
 154 };
 155
 156
 157 // Superscript/subscript/normal script mode of a cell
 158 enum wxHtmlScriptMode
 159 {
 160     wxHTML_SCRIPT_NORMAL,
 161     wxHTML_SCRIPT_SUB,
 162     wxHTML_SCRIPT_SUP
 163 };
 164
 165
 166 /**
 167     @class wxHtmlCell
 168
 169     Internal data structure. It represents fragments of parsed HTML page, the
 170     so-called @b cell - a word, picture, table, horizontal line and so on.
 171     It is used by wxHtmlWindow and wxHtmlWinParser to represent HTML page in memory.
 172
 173     You can divide cells into two groups : @e visible cells with non-zero width and
 174     height and @e helper cells (usually with zero width and height) that perform
 175     special actions such as color or font change.
 176
 177     @library{wxhtml}
 178     @category{html}
 179
 180     @see @ref overview_html_cells, wxHtmlContainerCell
 181 */
 182 class wxHtmlCell : public wxObject
 183 {
 184 public:
 185     /**
 186         Constructor.
 187     */
 188     wxHtmlCell();
 189
 190     /**
 191         This method is used to adjust pagebreak position.
 192         The first parameter is a variable that contains the y-coordinate of the page break
 193         (= horizontal line that should not be crossed by words, images etc.).
 194         If this cell cannot be divided into two pieces (each one on another page)
 195         then it either moves the pagebreak a few pixels up, if possible, or, if
 196         the cell cannot fit on the page at all, then the cell is forced to
 197         split unconditionally.
 198
 199         Returns @true if pagebreak was modified, @false otherwise.
 200
 201         @param pagebreak
 202             position in pixel of the pagebreak.
 203
 204         @param known_pagebreaks
 205             the list of the previous pagebreaks
 206
 207         @param pageHeight
 208             the height in pixel of the page drawable area
 209
 210         Usage:
 211         @code
 212         while (container->AdjustPagebreak(&p, kp, ph)) {}
 213         @endcode
 214
 215     */
 216     virtual bool AdjustPagebreak(int* pagebreak,
 217                                  const wxArrayInt& known_pagebreaks,
 218                                  int pageHeight) const;
 219
 220     /**
 221         Renders the cell.
 222
 223         @param dc
 224             Device context to which the cell is to be drawn.
 225         @param x,y
 226             Coordinates of parent's upper left corner (origin). You must
 227             add this to m_PosX,m_PosY when passing coordinates to dc's methods
 228             Example:
 229             @code
 230                 dc->DrawText("hello", x + m_PosX, y + m_PosY)
 231             @endcode
 232         @param view_y1
 233             y-coord of the first line visible in window.
 234             This is used to optimize rendering speed.
 235         @param view_y2
 236             y-coord of the last line visible in window.
 237             This is used to optimize rendering speed.
 238         @param info
 239             Additional information for the rendering of the cell.
 240     */
 241     virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info);
 242
 243     /**
 244         This method is called instead of Draw() when the cell is certainly out of
 245         the screen (and thus invisible). This is not nonsense - some tags (like
 246         wxHtmlColourCell or font setter) must be drawn even if they are invisible!
 247
 248         @param dc
 249             Device context to which the cell is to be drawn.
 250         @param x,y
 251             Coordinates of parent's upper left corner. You must
 252             add this to m_PosX,m_PosY when passing coordinates to dc's methods
 253             Example:
 254             @code
 255                 dc->DrawText("hello", x + m_PosX, y + m_PosY)
 256             @endcode
 257         @param info
 258             Additional information for the rendering of the cell.
 259     */
 260     virtual void DrawInvisible(wxDC& dc, int x , int y, wxHtmlRenderingInfo& info);
 261
 262     /**
 263         Returns pointer to itself if this cell matches condition (or if any of the
 264         cells following in the list matches), @NULL otherwise.
 265         (In other words if you call top-level container's Find() it will
 266         return pointer to the first cell that matches the condition)
 267
 268         It is recommended way how to obtain pointer to particular cell or
 269         to cell of some type (e.g. wxHtmlAnchorCell reacts on wxHTML_COND_ISANCHOR
 270         condition).
 271
 272         @param condition
 273             Unique integer identifier of condition
 274         @param param
 275             Optional parameters
 276     */
 277     virtual const wxHtmlCell* Find(int condition, const void* param) const;
 278
 279     /**
 280         Returns descent value of the cell (m_Descent member).
 281         See explanation:
 282         @image html htmlcell_descent.png
 283     */
 284     int GetDescent() const;
 285
 286     /**
 287         Returns pointer to the first cell in the list.
 288         You can then use child's GetNext() method to obtain pointer to the next
 289         cell in list.
 290
 291         @note This shouldn't be used by the end user. If you need some way of
 292               finding particular cell in the list, try Find() method instead.
 293     */
 294     virtual wxHtmlCell* GetFirstChild() const;
 295
 296     /**
 297         Returns height of the cell (m_Height member).
 298     */
 299     int GetHeight() const;
 300
 301     /**
 302         Returns unique cell identifier if there is any, the empty string otherwise.
 303     */
 304     const wxString& GetId() const;
 305
 306     /**
 307         Returns hypertext link if associated with this cell or @NULL otherwise.
 308         See wxHtmlLinkInfo. (Note: this makes sense only for visible tags).
 309
 310         @param x,y
 311             Coordinates of position where the user pressed mouse button.
 312             These coordinates are used e.g. by COLORMAP. Values are relative to the
 313             upper left corner of THIS cell (i.e. from 0 to m_Width or m_Height)
 314     */
 315     virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const;
 316
 317     /**
 318         Returns cursor to show when mouse pointer is over the cell.
 319
 320         @param window
 321             interface to the parent HTML window
 322
 323         @see GetMouseCursorAt()
 324     */
 325     virtual wxCursor GetMouseCursor(wxHtmlWindowInterface* window) const;
 326
 327     /**
 328         Returns cursor to show when mouse pointer is over the specified point.
 329
 330         This function should be overridden instead of GetMouseCursorAt() if
 331         the cursor should depend on the exact position of the mouse in the
 332         window.
 333
 334         @param window
 335             interface to the parent HTML window
 336
 337         @since 3.0
 338      */
 339     virtual wxCursor GetMouseCursorAt(wxHtmlWindowInterface* window,
 340                                       const wxPoint& rePos) const;
 341
 342     /**
 343         Returns pointer to the next cell in list (see htmlcell.h if you're
 344         interested in details).
 345     */
 346     wxHtmlCell* GetNext() const;
 347
 348     /**
 349         Returns pointer to parent container.
 350     */
 351     wxHtmlContainerCell* GetParent() const;
 352
 353     /**
 354         Returns X position within parent (the value is relative to parent's
 355         upper left corner). The returned value is meaningful only if
 356         parent's Layout() was called before!
 357     */
 358     int GetPosX() const;
 359
 360     /**
 361         Returns Y position within parent (the value is relative to parent's
 362         upper left corner). The returned value is meaningful only if
 363         parent's Layout() was called before!
 364     */
 365     int GetPosY() const;
 366
 367     /**
 368         Returns width of the cell (m_Width member).
 369     */
 370     int GetWidth() const;
 371
 372     /**
 373         Layouts the cell.
 374
 375         This method performs two actions:
 376         -# adjusts the cell's width according to the fact that maximal possible
 377            width is @e w (this has sense when working with horizontal lines, tables etc.)
 378         -# prepares layout (=fill-in m_PosX, m_PosY (and sometimes m_Height) members)
 379            based on actual width @e w
 380
 381         It must be called before displaying cells structure because m_PosX and
 382         m_PosY are undefined (or invalid) before calling Layout().
 383     */
 384     virtual void Layout(int w);
 385
 386     /**
 387         This function is simple event handler.
 388         Each time the user clicks mouse button over a cell within wxHtmlWindow
 389         this method of that cell is called.
 390         Default behaviour is to call wxHtmlWindow::LoadPage.
 391
 392         @param window
 393             interface to the parent HTML window
 394         @param pos
 395             coordinates of mouse click (this is relative to cell's origin
 396         @param event
 397             mouse event that triggered the call
 398
 399         @return @true if a link was clicked, @false otherwise.
 400
 401         @since 2.7.0 (before OnMouseClick() method served a similar purpose).
 402
 403         @note
 404         If you need more "advanced" event handling you should use wxHtmlBinderCell instead.
 405     */
 406     virtual bool ProcessMouseClick(wxHtmlWindowInterface* window,
 407                                    const wxPoint& pos,
 408                                    const wxMouseEvent& event);
 409
 410     /**
 411         Sets unique cell identifier. Default value is no identifier, i.e. empty string.
 412     */
 413     void SetId(const wxString& id);
 414
 415     /**
 416         Sets the hypertext link associated with this cell.
 417         (Default value is wxHtmlLinkInfo("", "") (no link))
 418     */
 419     void SetLink(const wxHtmlLinkInfo& link);
 420
 421     /**
 422         Sets the next cell in the list. This shouldn't be called by user - it is
 423         to be used only by wxHtmlContainerCell::InsertCell.
 424     */
 425     void SetNext(wxHtmlCell* cell);
 426
 427     /**
 428         Sets parent container of this cell.
 429         This is called from wxHtmlContainerCell::InsertCell.
 430     */
 431     void SetParent(wxHtmlContainerCell* p);
 432
 433     /**
 434         Sets the cell's position within parent container.
 435     */
 436     virtual void SetPos(int x, int y);
 437 };
 438
 439
 440
 441 /**
 442     @class wxHtmlContainerCell
 443
 444     The wxHtmlContainerCell class is an implementation of a cell that may
 445     contain more cells in it. It is heavily used in the wxHTML layout algorithm.
 446
 447     @library{wxhtml}
 448     @category{html}
 449
 450     @see @ref overview_html_cells
 451 */
 452 class wxHtmlContainerCell : public wxHtmlCell
 453 {
 454 public:
 455     /**
 456         Constructor. @a parent is pointer to parent container or @NULL.
 457     */
 458     wxHtmlContainerCell(wxHtmlContainerCell* parent);
 459
 460     /**
 461         Returns container's horizontal alignment.
 462     */
 463     int GetAlignHor() const;
 464
 465     /**
 466         Returns container's vertical alignment.
 467     */
 468     int GetAlignVer() const;
 469
 470     /**
 471         Returns the background colour of the container or @c wxNullColour if no
 472         background colour is set.
 473     */
 474     wxColour GetBackgroundColour();
 475
 476     /**
 477         Returns the indentation. @a ind is one of the @b wxHTML_INDENT_* constants.
 478
 479         @note You must call GetIndentUnits() with same @a ind parameter in order
 480               to correctly interpret the returned integer value.
 481               It is NOT always in pixels!
 482     */
 483     int GetIndent(int ind) const;
 484
 485     /**
 486         Returns the units of indentation for @a ind where @a ind is one
 487         of the @b wxHTML_INDENT_* constants.
 488     */
 489     int GetIndentUnits(int ind) const;
 490
 491     /**
 492         Inserts a new cell into the container.
 493     */
 494     void InsertCell(wxHtmlCell* cell);
 495
 496     /**
 497         Sets the container's alignment (both horizontal and vertical) according to
 498         the values stored in @e tag. (Tags @c ALIGN parameter is extracted.)
 499         In fact it is only a front-end to SetAlignHor() and SetAlignVer().
 500     */
 501     void SetAlign(const wxHtmlTag& tag);
 502
 503     /**
 504         Sets the container's @e horizontal alignment.
 505         During wxHtmlCell::Layout each line is aligned according to @a al value.
 506
 507         @param al
 508             new horizontal alignment. May be one of these values:
 509             - wxHTML_ALIGN_LEFT: lines are left-aligned (default)
 510             - wxHTML_ALIGN_JUSTIFY: lines are justified
 511             - wxHTML_ALIGN_CENTER: lines are centered
 512             - wxHTML_ALIGN_RIGHT: lines are right-aligned
 513     */
 514     void SetAlignHor(int al);
 515
 516     /**
 517         Sets the container's @e vertical alignment. This is per-line alignment!
 518
 519         @param al
 520             new vertical alignment. May be one of these values:
 521             - wxHTML_ALIGN_BOTTOM: cells are over the line (default)
 522             - wxHTML_ALIGN_CENTER: cells are centered on line
 523             - wxHTML_ALIGN_TOP: cells are under the line
 524
 525         @image html htmlcontcell_alignv.png
 526     */
 527     void SetAlignVer(int al);
 528
 529     /**
 530         Sets the background colour for this container.
 531     */
 532     void SetBackgroundColour(const wxColour& clr);
 533
 534     /**
 535         Sets the border (frame) colours. A border is a rectangle around the container.
 536
 537         @param clr1
 538             Colour of top and left lines
 539         @param clr2
 540             Colour of bottom and right lines
 541         @param border
 542             Size of the border in pixels
 543     */
 544     void SetBorder(const wxColour& clr1, const wxColour& clr2, int border = 1);
 545
 546     /**
 547         Sets the indentation (free space between borders of container and subcells).
 548
 549         @image html htmlcontcell_indent.png
 550
 551         @param i
 552             Indentation value.
 553         @param what
 554             Determines which of the four borders we're setting. It is OR
 555             combination of following constants:
 556             - wxHTML_INDENT_TOP: top border
 557             - wxHTML_INDENT_BOTTOM: bottom
 558             - wxHTML_INDENT_LEFT: left
 559             - wxHTML_INDENT_RIGHT: right
 560             - wxHTML_INDENT_HORIZONTAL: left and right
 561             - wxHTML_INDENT_VERTICAL: top and bottom
 562             - wxHTML_INDENT_ALL: all 4 borders
 563         @param units
 564             Units of i. This parameter affects interpretation of value.
 565             - wxHTML_UNITS_PIXELS: @a i is number of pixels
 566             - wxHTML_UNITS_PERCENT: @a i is interpreted as percents of width
 567                                     of parent container
 568     */
 569     void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
 570
 571     /**
 572         Sets minimal height of the container.
 573         When container's wxHtmlCell::Layout is called, m_Height is set depending
 574         on layout of subcells to the height of area covered by layed-out subcells.
 575         Calling this method guarantees you that the height of container is never
 576         smaller than @a h - even if the subcells cover much smaller area.
 577
 578         @param h
 579             The minimal height.
 580         @param align
 581             If height of the container is lower than the minimum height, empty space
 582             must be inserted somewhere in order to ensure minimal height.
 583             This parameter is one of @c wxHTML_ALIGN_TOP, @c wxHTML_ALIGN_BOTTOM,
 584             @c wxHTML_ALIGN_CENTER. It refers to the contents, not to the
 585             empty place.
 586     */
 587     void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP);
 588
 589     /**
 590         Sets floating width adjustment.
 591
 592         The normal behaviour of container is that its width is the same as the width of
 593         parent container (and thus you can have only one sub-container per line).
 594         You can change this by setting the floating width adjustment.
 595
 596         @param w
 597             Width of the container. If the value is negative it means
 598             complement to full width of parent container.
 599             E.g. @code SetWidthFloat(-50, wxHTML_UNITS_PIXELS) @endcode sets the
 600             width of container to parent's width minus 50 pixels. This is useful when
 601             creating tables - you can call SetWidthFloat(50) and SetWidthFloat(-50).
 602         @param units
 603             Units of w This parameter affects the interpretation of  value.
 604             - wxHTML_UNITS_PIXELS: @a w is number of pixels
 605             - wxHTML_UNITS_PERCENT: @a w is interpreted as percents of width
 606                                     of parent container
 607     */
 608     void SetWidthFloat(int w, int units);
 609
 610     /**
 611         Sets floating width adjustment.
 612
 613         The normal behaviour of container is that its width is the same as the width of
 614         parent container (and thus you can have only one sub-container per line).
 615         You can change this by setting the floating width adjustment.
 616
 617         @param tag
 618             In the second version of method, @a w and @a units info is extracted
 619             from tag's WIDTH parameter.
 620         @param pixel_scale
 621             This is number of real pixels that equals to 1 HTML pixel.
 622     */
 623     void SetWidthFloat(const wxHtmlTag& tag,
 624                        double pixel_scale = 1.0);
 625 };
 626
 627
 628
 629 /**
 630     @class wxHtmlLinkInfo
 631
 632     This class stores all necessary information about hypertext links
 633     (as represented by \<A\> tag in HTML documents).
 634     In current implementation it stores URL and target frame name.
 635
 636     @note Frames are not currently supported by wxHTML!
 637
 638     @library{wxhtml}
 639     @category{html}
 640 */
 641 class wxHtmlLinkInfo : public wxObject
 642 {
 643 public:
 644     /**
 645         Default ctor.
 646     */
 647     wxHtmlLinkInfo();
 648
 649     /**
 650         Construct hypertext link from HREF (aka URL) and TARGET (name of target frame).
 651     */
 652     wxHtmlLinkInfo(const wxString& href,
 653                    const wxString& target = wxEmptyString);
 654
 655     /**
 656         Return pointer to event that generated OnLinkClicked() event.
 657         Valid only within wxHtmlWindow::OnLinkClicked, @NULL otherwise.
 658     */
 659     const wxMouseEvent* GetEvent() const;
 660
 661     /**
 662         Return @e HREF value of the \<A\> tag.
 663     */
 664     wxString GetHref() const;
 665
 666     /**
 667         Return pointer to the cell that was clicked.
 668         Valid only within wxHtmlWindow::OnLinkClicked, @NULL otherwise.
 669     */
 670     const wxHtmlCell* GetHtmlCell() const;
 671
 672     /**
 673         Return @e TARGET value of the \<A\> tag (this value is used to specify
 674         in which frame should be the page pointed by @ref GetHref() Href opened).
 675     */
 676     wxString GetTarget() const;
 677 };
 678
 679 /**
 680     @class wxHtmlColourCell
 681
 682     This cell changes the colour of either the background or the foreground.
 683
 684     @library{wxhtml}
 685     @category{html}
 686 */
 687 class wxHtmlColourCell : public wxHtmlCell
 688 {
 689 public:
 690     /**
 691         Constructor.
 692
 693         @param clr
 694             The color
 695         @param flags
 696             Can be one of following:
 697             - wxHTML_CLR_FOREGROUND: change color of text
 698             - wxHTML_CLR_BACKGROUND: change background color
 699     */
 700     wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND);
 701 };
 702
 703
 704
 705 /**
 706     @class wxHtmlWidgetCell
 707
 708     wxHtmlWidgetCell is a class that provides a connection between HTML cells and
 709     widgets (an object derived from wxWindow).
 710     You can use it to display things like forms, input boxes etc. in an HTML window.
 711
 712     wxHtmlWidgetCell takes care of resizing and moving window.
 713
 714     @library{wxhtml}
 715     @category{html}
 716 */
 717 class wxHtmlWidgetCell : public wxHtmlCell
 718 {
 719 public:
 720     /**
 721         Constructor.
 722
 723         @param wnd
 724             Connected window. It is parent window @b must be the wxHtmlWindow object
 725             within which it is displayed!
 726         @param w
 727             Floating width. If non-zero width of wnd window is adjusted so that it is
 728             always w percents of parent container's width. (For example w = 100 means
 729             that the window will always have same width as parent container).
 730     */
 731     wxHtmlWidgetCell(wxWindow* wnd, int w = 0);
 732 };
 733
 734
 735
 736 /**
 737     @class wxHtmlWordCell
 738
 739     This html cell represents a single word or text fragment in the document stream.
 740
 741     @library{wxhtml}
 742     @category{html}
 743 */
 744 class wxHtmlWordCell : public wxHtmlCell
 745 {
 746 public:
 747     wxHtmlWordCell(const wxString& word, const wxDC& dc);
 748 };
 749
 750
 751 /**
 752     @class wxHtmlWordWithTabsCell
 753
 754     wxHtmlWordCell is a specialization for storing text fragments with
 755     embedded tab characters.
 756
 757     @library{wxhtml}
 758     @category{html}
 759 */
 760 class wxHtmlWordWithTabsCell : public wxHtmlWordCell
 761 {
 762 public:
 763     wxHtmlWordWithTabsCell(const wxString& word,
 764                            const wxString& wordOrig,
 765                            size_t linepos,
 766                            const wxDC& dc);
 767 };
 768
 769
 770 /**
 771     @class wxHtmlFontCell
 772
 773     This cell represents a font change in the document stream.
 774
 775     @library{wxhtml}
 776     @category{html}
 777 */
 778 class wxHtmlFontCell : public wxHtmlCell
 779 {
 780 public:
 781     wxHtmlFontCell(wxFont *font);
 782 };