include/wx/html/htmlwin.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        htmlwin.h
   3 // Purpose:     wxHtmlWindow class for parsing & displaying HTML
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_HTMLWIN_H_
  11 #define _WX_HTMLWIN_H_
  12
  13 #include "wx/defs.h"
  14 #if wxUSE_HTML
  15
  16 #include "wx/window.h"
  17 #include "wx/scrolwin.h"
  18 #include "wx/config.h"
  19 #include "wx/stopwatch.h"
  20 #include "wx/html/winpars.h"
  21 #include "wx/html/htmlcell.h"
  22 #include "wx/filesys.h"
  23 #include "wx/html/htmlfilt.h"
  24 #include "wx/filename.h"
  25 #include "wx/bitmap.h"
  26
  27 class wxHtmlProcessor;
  28 class wxHtmlWinModule;
  29 class wxHtmlHistoryArray;
  30 class wxHtmlProcessorList;
  31 class WXDLLIMPEXP_FWD_HTML wxHtmlWinAutoScrollTimer;
  32 class WXDLLIMPEXP_FWD_HTML wxHtmlCellEvent;
  33 class WXDLLIMPEXP_FWD_HTML wxHtmlLinkEvent;
  34
  35
  36 // wxHtmlWindow flags:
  37 #define wxHW_SCROLLBAR_NEVER    0x0002
  38 #define wxHW_SCROLLBAR_AUTO     0x0004
  39 #define wxHW_NO_SELECTION       0x0008
  40
  41 #define wxHW_DEFAULT_STYLE      wxHW_SCROLLBAR_AUTO
  42
  43 /// Enum for wxHtmlWindow::OnOpeningURL and wxHtmlWindowInterface::OnOpeningURL
  44 enum wxHtmlOpeningStatus
  45 {
  46     /// Open the requested URL
  47     wxHTML_OPEN,
  48     /// Do not open the URL
  49     wxHTML_BLOCK,
  50     /// Redirect to another URL (returned from OnOpeningURL)
  51     wxHTML_REDIRECT
  52 };
  53
  54 /**
  55     Abstract interface to a HTML rendering window (such as wxHtmlWindow or
  56     wxHtmlListBox) that is passed to wxHtmlWinParser. It encapsulates all
  57     communication from the parser to the window.
  58  */
  59 class WXDLLIMPEXP_HTML wxHtmlWindowInterface
  60 {
  61 public:
  62     /// Ctor
  63     wxHtmlWindowInterface() {}
  64     virtual ~wxHtmlWindowInterface() {}
  65
  66     /**
  67         Called by the parser to set window's title to given text.
  68      */
  69     virtual void SetHTMLWindowTitle(const wxString& title) = 0;
  70
  71     /**
  72         Called when a link is clicked.
  73
  74         @param link information about the clicked link
  75      */
  76     virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link) = 0;
  77
  78     /**
  79         Called when the parser needs to open another URL (e.g. an image).
  80
  81         @param type     Type of the URL request (e.g. image)
  82         @param url      URL the parser wants to open
  83         @param redirect If the return value is wxHTML_REDIRECT, then the
  84                         URL to redirect to will be stored in this variable
  85                         (the pointer must never be NULL)
  86
  87         @return indicator of how to treat the request
  88      */
  89     virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type,
  90                                                  const wxString& url,
  91                                                  wxString *redirect) const = 0;
  92
  93     /**
  94         Converts coordinates @a pos relative to given @a cell to
  95         physical coordinates in the window.
  96      */
  97     virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell,
  98                                        const wxPoint& pos) const = 0;
  99
 100     /// Returns the window used for rendering (may be NULL).
 101     virtual wxWindow* GetHTMLWindow() = 0;
 102
 103     /// Returns background colour to use by default.
 104     virtual wxColour GetHTMLBackgroundColour() const = 0;
 105
 106     /// Sets window's background to colour @a clr.
 107     virtual void SetHTMLBackgroundColour(const wxColour& clr) = 0;
 108
 109     /// Sets window's background to given bitmap.
 110     virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg) = 0;
 111
 112     /// Sets status bar text.
 113     virtual void SetHTMLStatusText(const wxString& text) = 0;
 114
 115     /// Type of mouse cursor
 116     enum HTMLCursor
 117     {
 118         /// Standard mouse cursor (typically an arrow)
 119         HTMLCursor_Default,
 120         /// Cursor shown over links
 121         HTMLCursor_Link,
 122         /// Cursor shown over selectable text
 123         HTMLCursor_Text
 124     };
 125
 126     /**
 127         Returns mouse cursor of given @a type.
 128      */
 129     virtual wxCursor GetHTMLCursor(HTMLCursor type) const = 0;
 130 };
 131
 132 /**
 133     Helper class that implements part of mouse handling for wxHtmlWindow and
 134     wxHtmlListBox. Cursor changes and clicking on links are handled, text
 135     selection is not.
 136  */
 137 class WXDLLIMPEXP_HTML wxHtmlWindowMouseHelper
 138 {
 139 protected:
 140     /**
 141         Ctor.
 142
 143         @param iface Interface to the owner window.
 144      */
 145     wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface);
 146
 147     /**
 148         Virtual dtor.
 149
 150         It is not really needed in this case but at leats it prevents gcc from
 151         complaining about its absence.
 152      */
 153     virtual ~wxHtmlWindowMouseHelper() { }
 154
 155     /// Returns true if the mouse moved since the last call to HandleIdle
 156     bool DidMouseMove() const { return m_tmpMouseMoved; }
 157
 158     /// Call this from EVT_MOTION event handler
 159     void HandleMouseMoved();
 160
 161     /**
 162         Call this from EVT_LEFT_UP handler (or, alternatively, EVT_LEFT_DOWN).
 163
 164         @param rootCell HTML cell inside which the click occured. This doesn't
 165                         have to be the leaf cell, it can be e.g. toplevel
 166                         container, but the mouse must be inside the container's
 167                         area, otherwise the event would be ignored.
 168         @param pos      Mouse position in coordinates relative to @a cell
 169         @param event    The event that triggered the call
 170      */
 171     bool HandleMouseClick(wxHtmlCell *rootCell,
 172                           const wxPoint& pos, const wxMouseEvent& event);
 173
 174     /**
 175         Call this from OnInternalIdle of the HTML displaying window. Handles
 176         mouse movements and must be used together with HandleMouseMoved.
 177
 178         @param rootCell HTML cell inside which the click occured. This doesn't
 179                         have to be the leaf cell, it can be e.g. toplevel
 180                         container, but the mouse must be inside the container's
 181                         area, otherwise the event would be ignored.
 182         @param pos      Current mouse position in coordinates relative to
 183                         @a cell
 184      */
 185     void HandleIdle(wxHtmlCell *rootCell, const wxPoint& pos);
 186
 187     /**
 188         Called by HandleIdle when the mouse hovers over a cell. Default
 189         behaviour is to do nothing.
 190
 191         @param cell   the cell the mouse is over
 192         @param x, y   coordinates of mouse relative to the cell
 193      */
 194     virtual void OnCellMouseHover(wxHtmlCell *cell, wxCoord x, wxCoord y);
 195
 196     /**
 197         Called by HandleMouseClick when the user clicks on a cell.
 198         Default behavior is to call wxHtmlWindowInterface::OnLinkClicked()
 199         if this cell corresponds to a hypertext link.
 200
 201         @param cell   the cell the mouse is over
 202         @param x, y   coordinates of mouse relative to the cell
 203         @param event    The event that triggered the call
 204
 205
 206         @return true if a link was clicked, false otherwise.
 207      */
 208     virtual bool OnCellClicked(wxHtmlCell *cell,
 209                                wxCoord x, wxCoord y,
 210                                const wxMouseEvent& event);
 211
 212 protected:
 213     // this flag indicates if the mouse moved (used by HandleIdle)
 214     bool m_tmpMouseMoved;
 215     // contains last link name
 216     wxHtmlLinkInfo *m_tmpLastLink;
 217     // contains the last (terminal) cell which contained the mouse
 218     wxHtmlCell *m_tmpLastCell;
 219
 220 private:
 221     wxHtmlWindowInterface *m_interface;
 222 };
 223
 224 // ----------------------------------------------------------------------------
 225 // wxHtmlWindow
 226 //                  (This is probably the only class you will directly use.)
 227 //                  Purpose of this class is to display HTML page (either local
 228 //                  file or downloaded via HTTP protocol) in a window. Width of
 229 //                  window is constant - given in constructor - virtual height
 230 //                  is changed dynamicly depending on page size.  Once the
 231 //                  window is created you can set it's content by calling
 232 //                  SetPage(text) or LoadPage(filename).
 233 // ----------------------------------------------------------------------------
 234
 235 class WXDLLIMPEXP_HTML wxHtmlWindow : public wxScrolledWindow,
 236                                       public wxHtmlWindowInterface,
 237                                       public wxHtmlWindowMouseHelper
 238 {
 239     DECLARE_DYNAMIC_CLASS(wxHtmlWindow)
 240     friend class wxHtmlWinModule;
 241
 242 public:
 243     wxHtmlWindow() : wxHtmlWindowMouseHelper(this) { Init(); }
 244     wxHtmlWindow(wxWindow *parent, wxWindowID id = wxID_ANY,
 245                  const wxPoint& pos = wxDefaultPosition,
 246                  const wxSize& size = wxDefaultSize,
 247                  long style = wxHW_DEFAULT_STYLE,
 248                  const wxString& name = wxT("htmlWindow"))
 249         : wxHtmlWindowMouseHelper(this)
 250     {
 251         Init();
 252         Create(parent, id, pos, size, style, name);
 253     }
 254     virtual ~wxHtmlWindow();
 255
 256     bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
 257                 const wxPoint& pos = wxDefaultPosition,
 258                 const wxSize& size = wxDefaultSize,
 259                 long style = wxHW_SCROLLBAR_AUTO,
 260                 const wxString& name = wxT("htmlWindow"));
 261
 262     // Set HTML page and display it. !! source is HTML document itself,
 263     // it is NOT address/filename of HTML document. If you want to
 264     // specify document location, use LoadPage() istead
 265     // Return value : false if an error occurred, true otherwise
 266     virtual bool SetPage(const wxString& source);
 267
 268     // Append to current page
 269     bool AppendToPage(const wxString& source);
 270
 271     // Load HTML page from given location. Location can be either
 272     // a) /usr/wxGTK2/docs/html/wx.htm
 273     // b) http://www.somewhere.uk/document.htm
 274     // c) ftp://ftp.somesite.cz/pub/something.htm
 275     // In case there is no prefix (http:,ftp:), the method
 276     // will try to find it itself (1. local file, then http or ftp)
 277     // After the page is loaded, the method calls SetPage() to display it.
 278     // Note : you can also use path relative to previously loaded page
 279     // Return value : same as SetPage
 280     virtual bool LoadPage(const wxString& location);
 281
 282     // Loads HTML page from file
 283     bool LoadFile(const wxFileName& filename);
 284
 285     // Returns full location of opened page
 286     wxString GetOpenedPage() const {return m_OpenedPage;}
 287     // Returns anchor within opened page
 288     wxString GetOpenedAnchor() const {return m_OpenedAnchor;}
 289     // Returns <TITLE> of opened page or empty string otherwise
 290     wxString GetOpenedPageTitle() const {return m_OpenedPageTitle;}
 291
 292     // Sets frame in which page title will  be displayed. Format is format of
 293     // frame title, e.g. "HtmlHelp : %s". It must contain exactly one %s
 294     void SetRelatedFrame(wxFrame* frame, const wxString& format);
 295     wxFrame* GetRelatedFrame() const {return m_RelatedFrame;}
 296
 297 #if wxUSE_STATUSBAR
 298     // After(!) calling SetRelatedFrame, this sets statusbar slot where messages
 299     // will be displayed. Default is -1 = no messages.
 300     void SetRelatedStatusBar(int bar);
 301 #endif // wxUSE_STATUSBAR
 302
 303     // Sets fonts to be used when displaying HTML page.
 304     void SetFonts(const wxString& normal_face, const wxString& fixed_face,
 305                   const int *sizes = NULL);
 306
 307     // Sets font sizes to be relative to the given size or the system
 308     // default size; use either specified or default font
 309     void SetStandardFonts(int size = -1,
 310                           const wxString& normal_face = wxEmptyString,
 311                           const wxString& fixed_face = wxEmptyString);
 312
 313     // Sets space between text and window borders.
 314     void SetBorders(int b) {m_Borders = b;}
 315
 316     // Sets the bitmap to use for background (currnetly it will be tiled,
 317     // when/if we have CSS support we could add other possibilities...)
 318     void SetBackgroundImage(const wxBitmap& bmpBg) { m_bmpBg = bmpBg; }
 319
 320     // Saves custom settings into cfg config. it will use the path 'path'
 321     // if given, otherwise it will save info into currently selected path.
 322     // saved values : things set by SetFonts, SetBorders.
 323     virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
 324     // ...
 325     virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
 326
 327     // Goes to previous/next page (in browsing history)
 328     // Returns true if successful, false otherwise
 329     bool HistoryBack();
 330     bool HistoryForward();
 331     bool HistoryCanBack();
 332     bool HistoryCanForward();
 333     // Resets history
 334     void HistoryClear();
 335
 336     // Returns pointer to conteiners/cells structure.
 337     // It should be used ONLY when printing
 338     wxHtmlContainerCell* GetInternalRepresentation() const {return m_Cell;}
 339
 340     // Adds input filter
 341     static void AddFilter(wxHtmlFilter *filter);
 342
 343     // Returns a pointer to the parser.
 344     wxHtmlWinParser *GetParser() const { return m_Parser; }
 345
 346     // Adds HTML processor to this instance of wxHtmlWindow:
 347     void AddProcessor(wxHtmlProcessor *processor);
 348     // Adds HTML processor to wxHtmlWindow class as whole:
 349     static void AddGlobalProcessor(wxHtmlProcessor *processor);
 350
 351
 352     // -- Callbacks --
 353
 354     // Sets the title of the window
 355     // (depending on the information passed to SetRelatedFrame() method)
 356     virtual void OnSetTitle(const wxString& title);
 357
 358     // Called when user clicked on hypertext link. Default behavior is to
 359     // call LoadPage(loc)
 360     virtual void OnLinkClicked(const wxHtmlLinkInfo& link);
 361
 362     // Called when wxHtmlWindow wants to fetch data from an URL (e.g. when
 363     // loading a page or loading an image). The data are downloaded if and only if
 364     // OnOpeningURL returns true. If OnOpeningURL returns wxHTML_REDIRECT,
 365     // it must set *redirect to the new URL
 366     virtual wxHtmlOpeningStatus OnOpeningURL(wxHtmlURLType WXUNUSED(type),
 367                                              const wxString& WXUNUSED(url),
 368                                              wxString *WXUNUSED(redirect)) const
 369         { return wxHTML_OPEN; }
 370
 371 #if wxUSE_CLIPBOARD
 372     // Helper functions to select parts of page:
 373     void SelectWord(const wxPoint& pos);
 374     void SelectLine(const wxPoint& pos);
 375     void SelectAll();
 376
 377     // Convert selection to text:
 378     wxString SelectionToText() { return DoSelectionToText(m_selection); }
 379
 380     // Converts current page to text:
 381     wxString ToText();
 382 #endif // wxUSE_CLIPBOARD
 383
 384     virtual void OnInternalIdle();
 385
 386     /// Returns standard HTML cursor as used by wxHtmlWindow
 387     static wxCursor GetDefaultHTMLCursor(HTMLCursor type);
 388
 389 protected:
 390     void Init();
 391
 392     // Scrolls to anchor of this name. (Anchor is #news
 393     // or #features etc. it is part of address sometimes:
 394     // http://www.ms.mff.cuni.cz/~vsla8348/wxhtml/index.html#news)
 395     // Return value : true if anchor exists, false otherwise
 396     bool ScrollToAnchor(const wxString& anchor);
 397
 398     // Prepares layout (= fill m_PosX, m_PosY for fragments) based on
 399     // actual size of window. This method also setup scrollbars
 400     void CreateLayout();
 401
 402     void OnEraseBackground(wxEraseEvent& event);
 403     void OnPaint(wxPaintEvent& event);
 404     void OnSize(wxSizeEvent& event);
 405     void OnMouseMove(wxMouseEvent& event);
 406     void OnMouseDown(wxMouseEvent& event);
 407     void OnMouseUp(wxMouseEvent& event);
 408 #if wxUSE_CLIPBOARD
 409     void OnKeyUp(wxKeyEvent& event);
 410     void OnDoubleClick(wxMouseEvent& event);
 411     void OnCopy(wxCommandEvent& event);
 412     void OnClipboardEvent(wxClipboardTextEvent& event);
 413     void OnMouseEnter(wxMouseEvent& event);
 414     void OnMouseLeave(wxMouseEvent& event);
 415     void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
 416 #endif // wxUSE_CLIPBOARD
 417
 418     // Returns new filter (will be stored into m_DefaultFilter variable)
 419     virtual wxHtmlFilter *GetDefaultFilter() {return new wxHtmlFilterPlainText;}
 420
 421     // cleans static variables
 422     static void CleanUpStatics();
 423
 424     // Returns true if text selection is enabled (wxClipboard must be available
 425     // and wxHW_NO_SELECTION not used)
 426     bool IsSelectionEnabled() const;
 427
 428     enum ClipboardType
 429     {
 430         Primary,
 431         Secondary
 432     };
 433
 434     // Copies selection to clipboard if the clipboard support is available
 435     //
 436     // returns true if anything was copied to clipboard, false otherwise
 437     bool CopySelection(ClipboardType t = Secondary);
 438
 439 #if wxUSE_CLIPBOARD
 440     // Automatic scrolling during selection:
 441     void StopAutoScrolling();
 442 #endif // wxUSE_CLIPBOARD
 443
 444     wxString DoSelectionToText(wxHtmlSelection *sel);
 445
 446 public:
 447     // wxHtmlWindowInterface methods:
 448     virtual void SetHTMLWindowTitle(const wxString& title);
 449     virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link);
 450     virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type,
 451                                                  const wxString& url,
 452                                                  wxString *redirect) const;
 453     virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell,
 454                                        const wxPoint& pos) const;
 455     virtual wxWindow* GetHTMLWindow();
 456     virtual wxColour GetHTMLBackgroundColour() const;
 457     virtual void SetHTMLBackgroundColour(const wxColour& clr);
 458     virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg);
 459     virtual void SetHTMLStatusText(const wxString& text);
 460     virtual wxCursor GetHTMLCursor(HTMLCursor type) const;
 461
 462     // implementation of SetPage()
 463     bool DoSetPage(const wxString& source);
 464
 465 protected:
 466     // This is pointer to the first cell in parsed data.  (Note: the first cell
 467     // is usually top one = all other cells are sub-cells of this one)
 468     wxHtmlContainerCell *m_Cell;
 469     // parser which is used to parse HTML input.
 470     // Each wxHtmlWindow has it's own parser because sharing one global
 471     // parser would be problematic (because of reentrancy)
 472     wxHtmlWinParser *m_Parser;
 473     // contains name of actualy opened page or empty string if no page opened
 474     wxString m_OpenedPage;
 475     // contains name of current anchor within m_OpenedPage
 476     wxString m_OpenedAnchor;
 477     // contains title of actualy opened page or empty string if no <TITLE> tag
 478     wxString m_OpenedPageTitle;
 479     // class for opening files (file system)
 480     wxFileSystem* m_FS;
 481
 482     wxFrame *m_RelatedFrame;
 483     wxString m_TitleFormat;
 484 #if wxUSE_STATUSBAR
 485     // frame in which page title should be displayed & number of it's statusbar
 486     // reserved for usage with this html window
 487     int m_RelatedStatusBar;
 488 #endif // wxUSE_STATUSBAR
 489
 490     // borders (free space between text and window borders)
 491     // defaults to 10 pixels.
 492     int m_Borders;
 493
 494     // current text selection or NULL
 495     wxHtmlSelection *m_selection;
 496
 497     // true if the user is dragging mouse to select text
 498     bool m_makingSelection;
 499
 500 #if wxUSE_CLIPBOARD
 501     // time of the last doubleclick event, used to detect tripleclicks
 502     // (tripleclicks are used to select whole line):
 503     wxMilliClock_t m_lastDoubleClick;
 504
 505     // helper class to automatically scroll the window if the user is selecting
 506     // text and the mouse leaves wxHtmlWindow:
 507     wxHtmlWinAutoScrollTimer *m_timerAutoScroll;
 508 #endif // wxUSE_CLIPBOARD
 509
 510 private:
 511     // window content for double buffered rendering:
 512     wxBitmap *m_backBuffer;
 513
 514     // background image, may be invalid
 515     wxBitmap m_bmpBg;
 516
 517     // variables used when user is selecting text
 518     wxPoint     m_tmpSelFromPos;
 519     wxHtmlCell *m_tmpSelFromCell;
 520
 521     // if >0 contents of the window is not redrawn
 522     // (in order to avoid ugly blinking)
 523     int m_tmpCanDrawLocks;
 524
 525     // list of HTML filters
 526     static wxList m_Filters;
 527     // this filter is used when no filter is able to read some file
 528     static wxHtmlFilter *m_DefaultFilter;
 529
 530     // html processors array:
 531     wxHtmlProcessorList *m_Processors;
 532     static wxHtmlProcessorList *m_GlobalProcessors;
 533
 534     // browser history
 535     wxHtmlHistoryArray *m_History;
 536     int m_HistoryPos;
 537     // if this FLAG is false, items are not added to history
 538     bool m_HistoryOn;
 539
 540     // a flag set if we need to erase background in OnPaint() (otherwise this
 541     // is supposed to have been done in OnEraseBackground())
 542     bool m_eraseBgInOnPaint;
 543
 544     // standard mouse cursors
 545     static wxCursor *ms_cursorLink;
 546     static wxCursor *ms_cursorText;
 547
 548     DECLARE_EVENT_TABLE()
 549     DECLARE_NO_COPY_CLASS(wxHtmlWindow)
 550 };
 551
 552
 553 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_CELL_CLICKED;
 554 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_CELL_HOVER;
 555 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_LINK_CLICKED;
 556
 557
 558 /*!
 559  * Html cell window event
 560  */
 561
 562 class WXDLLIMPEXP_HTML wxHtmlCellEvent : public wxCommandEvent
 563 {
 564 public:
 565     wxHtmlCellEvent() {}
 566     wxHtmlCellEvent(wxEventType commandType, int id,
 567                     wxHtmlCell *cell, const wxPoint &pt,
 568                     const wxMouseEvent &ev)
 569         : wxCommandEvent(commandType, id)
 570     {
 571         m_cell = cell;
 572         m_pt = pt;
 573         m_mouseEvent = ev;
 574         m_bLinkWasClicked = false;
 575     }
 576
 577     wxHtmlCell* GetCell() const { return m_cell; }
 578     wxPoint GetPoint() const { return m_pt; }
 579     wxMouseEvent GetMouseEvent() const { return m_mouseEvent; }
 580
 581     void SetLinkClicked(bool linkclicked) { m_bLinkWasClicked=linkclicked; }
 582     bool GetLinkClicked() const { return m_bLinkWasClicked; }
 583
 584     // default copy ctor, assignment operator and dtor are ok
 585     virtual wxEvent *Clone() const { return new wxHtmlCellEvent(*this); }
 586
 587 private:
 588     wxHtmlCell *m_cell;
 589     wxMouseEvent m_mouseEvent;
 590     wxPoint m_pt;
 591
 592     bool m_bLinkWasClicked;
 593
 594     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlCellEvent)
 595 };
 596
 597
 598
 599 /*!
 600  * Html link event
 601  */
 602
 603 class WXDLLIMPEXP_HTML wxHtmlLinkEvent : public wxCommandEvent
 604 {
 605 public:
 606     wxHtmlLinkEvent() {}
 607     wxHtmlLinkEvent(int id, const wxHtmlLinkInfo &linkinfo)
 608         : wxCommandEvent(wxEVT_COMMAND_HTML_LINK_CLICKED, id)
 609     {
 610         m_linkInfo = linkinfo;
 611     }
 612
 613     const wxHtmlLinkInfo &GetLinkInfo() const { return m_linkInfo; }
 614
 615     // default copy ctor, assignment operator and dtor are ok
 616     virtual wxEvent *Clone() const { return new wxHtmlLinkEvent(*this); }
 617
 618 private:
 619     wxHtmlLinkInfo m_linkInfo;
 620
 621     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlLinkEvent)
 622 };
 623
 624
 625 typedef void (wxEvtHandler::*wxHtmlCellEventFunction)(wxHtmlCellEvent&);
 626 typedef void (wxEvtHandler::*wxHtmlLinkEventFunction)(wxHtmlLinkEvent&);
 627
 628 #define wxHtmlCellEventHandler(func) \
 629     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxHtmlCellEventFunction, &func)
 630 #define wxHtmlLinkEventHandler(func) \
 631     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxHtmlLinkEventFunction, &func)
 632
 633 #define EVT_HTML_CELL_CLICKED(id, fn) \
 634     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_CELL_CLICKED, id, wxHtmlCellEventHandler(fn))
 635 #define EVT_HTML_CELL_HOVER(id, fn) \
 636     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_CELL_HOVER, id, wxHtmlCellEventHandler(fn))
 637 #define EVT_HTML_LINK_CLICKED(id, fn) \
 638     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_LINK_CLICKED, id, wxHtmlLinkEventHandler(fn))
 639
 640
 641 #endif // wxUSE_HTML
 642
 643 #endif // _WX_HTMLWIN_H_
 644