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 class WXDLLIMPEXP_FWD_CORE wxStatusBar;
  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 index);
 301     void SetRelatedStatusBar(wxStatusBar*, int index = 0);
 302 #endif // wxUSE_STATUSBAR
 303
 304     // Sets fonts to be used when displaying HTML page.
 305     void SetFonts(const wxString& normal_face, const wxString& fixed_face,
 306                   const int *sizes = NULL);
 307
 308     // Sets font sizes to be relative to the given size or the system
 309     // default size; use either specified or default font
 310     void SetStandardFonts(int size = -1,
 311                           const wxString& normal_face = wxEmptyString,
 312                           const wxString& fixed_face = wxEmptyString);
 313
 314     // Sets space between text and window borders.
 315     void SetBorders(int b) {m_Borders = b;}
 316
 317     // Sets the bitmap to use for background (currnetly it will be tiled,
 318     // when/if we have CSS support we could add other possibilities...)
 319     void SetBackgroundImage(const wxBitmap& bmpBg) { m_bmpBg = bmpBg; }
 320
 321     // Saves custom settings into cfg config. it will use the path 'path'
 322     // if given, otherwise it will save info into currently selected path.
 323     // saved values : things set by SetFonts, SetBorders.
 324     virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
 325     // ...
 326     virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString);
 327
 328     // Goes to previous/next page (in browsing history)
 329     // Returns true if successful, false otherwise
 330     bool HistoryBack();
 331     bool HistoryForward();
 332     bool HistoryCanBack();
 333     bool HistoryCanForward();
 334     // Resets history
 335     void HistoryClear();
 336
 337     // Returns pointer to conteiners/cells structure.
 338     // It should be used ONLY when printing
 339     wxHtmlContainerCell* GetInternalRepresentation() const {return m_Cell;}
 340
 341     // Adds input filter
 342     static void AddFilter(wxHtmlFilter *filter);
 343
 344     // Returns a pointer to the parser.
 345     wxHtmlWinParser *GetParser() const { return m_Parser; }
 346
 347     // Adds HTML processor to this instance of wxHtmlWindow:
 348     void AddProcessor(wxHtmlProcessor *processor);
 349     // Adds HTML processor to wxHtmlWindow class as whole:
 350     static void AddGlobalProcessor(wxHtmlProcessor *processor);
 351
 352
 353     // -- Callbacks --
 354
 355     // Sets the title of the window
 356     // (depending on the information passed to SetRelatedFrame() method)
 357     virtual void OnSetTitle(const wxString& title);
 358
 359     // Called when user clicked on hypertext link. Default behavior is to
 360     // call LoadPage(loc)
 361     virtual void OnLinkClicked(const wxHtmlLinkInfo& link);
 362
 363     // Called when wxHtmlWindow wants to fetch data from an URL (e.g. when
 364     // loading a page or loading an image). The data are downloaded if and only if
 365     // OnOpeningURL returns true. If OnOpeningURL returns wxHTML_REDIRECT,
 366     // it must set *redirect to the new URL
 367     virtual wxHtmlOpeningStatus OnOpeningURL(wxHtmlURLType WXUNUSED(type),
 368                                              const wxString& WXUNUSED(url),
 369                                              wxString *WXUNUSED(redirect)) const
 370         { return wxHTML_OPEN; }
 371
 372 #if wxUSE_CLIPBOARD
 373     // Helper functions to select parts of page:
 374     void SelectWord(const wxPoint& pos);
 375     void SelectLine(const wxPoint& pos);
 376     void SelectAll();
 377
 378     // Convert selection to text:
 379     wxString SelectionToText() { return DoSelectionToText(m_selection); }
 380
 381     // Converts current page to text:
 382     wxString ToText();
 383 #endif // wxUSE_CLIPBOARD
 384
 385     virtual void OnInternalIdle();
 386
 387     /// Returns standard HTML cursor as used by wxHtmlWindow
 388     static wxCursor GetDefaultHTMLCursor(HTMLCursor type);
 389
 390 protected:
 391     void Init();
 392
 393     // Scrolls to anchor of this name. (Anchor is #news
 394     // or #features etc. it is part of address sometimes:
 395     // http://www.ms.mff.cuni.cz/~vsla8348/wxhtml/index.html#news)
 396     // Return value : true if anchor exists, false otherwise
 397     bool ScrollToAnchor(const wxString& anchor);
 398
 399     // Prepares layout (= fill m_PosX, m_PosY for fragments) based on
 400     // actual size of window. This method also setup scrollbars
 401     void CreateLayout();
 402
 403     void OnEraseBackground(wxEraseEvent& event);
 404     void OnPaint(wxPaintEvent& event);
 405     void OnSize(wxSizeEvent& event);
 406     void OnMouseMove(wxMouseEvent& event);
 407     void OnMouseDown(wxMouseEvent& event);
 408     void OnMouseUp(wxMouseEvent& event);
 409 #if wxUSE_CLIPBOARD
 410     void OnKeyUp(wxKeyEvent& event);
 411     void OnDoubleClick(wxMouseEvent& event);
 412     void OnCopy(wxCommandEvent& event);
 413     void OnClipboardEvent(wxClipboardTextEvent& event);
 414     void OnMouseEnter(wxMouseEvent& event);
 415     void OnMouseLeave(wxMouseEvent& event);
 416     void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
 417 #endif // wxUSE_CLIPBOARD
 418
 419     // Returns new filter (will be stored into m_DefaultFilter variable)
 420     virtual wxHtmlFilter *GetDefaultFilter() {return new wxHtmlFilterPlainText;}
 421
 422     // cleans static variables
 423     static void CleanUpStatics();
 424
 425     // Returns true if text selection is enabled (wxClipboard must be available
 426     // and wxHW_NO_SELECTION not used)
 427     bool IsSelectionEnabled() const;
 428
 429     enum ClipboardType
 430     {
 431         Primary,
 432         Secondary
 433     };
 434
 435     // Copies selection to clipboard if the clipboard support is available
 436     //
 437     // returns true if anything was copied to clipboard, false otherwise
 438     bool CopySelection(ClipboardType t = Secondary);
 439
 440 #if wxUSE_CLIPBOARD
 441     // Automatic scrolling during selection:
 442     void StopAutoScrolling();
 443 #endif // wxUSE_CLIPBOARD
 444
 445     wxString DoSelectionToText(wxHtmlSelection *sel);
 446
 447 public:
 448     // wxHtmlWindowInterface methods:
 449     virtual void SetHTMLWindowTitle(const wxString& title);
 450     virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link);
 451     virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type,
 452                                                  const wxString& url,
 453                                                  wxString *redirect) const;
 454     virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell,
 455                                        const wxPoint& pos) const;
 456     virtual wxWindow* GetHTMLWindow();
 457     virtual wxColour GetHTMLBackgroundColour() const;
 458     virtual void SetHTMLBackgroundColour(const wxColour& clr);
 459     virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg);
 460     virtual void SetHTMLStatusText(const wxString& text);
 461     virtual wxCursor GetHTMLCursor(HTMLCursor type) const;
 462
 463     // implementation of SetPage()
 464     bool DoSetPage(const wxString& source);
 465
 466 protected:
 467     // This is pointer to the first cell in parsed data.  (Note: the first cell
 468     // is usually top one = all other cells are sub-cells of this one)
 469     wxHtmlContainerCell *m_Cell;
 470     // parser which is used to parse HTML input.
 471     // Each wxHtmlWindow has it's own parser because sharing one global
 472     // parser would be problematic (because of reentrancy)
 473     wxHtmlWinParser *m_Parser;
 474     // contains name of actualy opened page or empty string if no page opened
 475     wxString m_OpenedPage;
 476     // contains name of current anchor within m_OpenedPage
 477     wxString m_OpenedAnchor;
 478     // contains title of actualy opened page or empty string if no <TITLE> tag
 479     wxString m_OpenedPageTitle;
 480     // class for opening files (file system)
 481     wxFileSystem* m_FS;
 482
 483     // frame in which page title should be displayed & number of it's statusbar
 484     // reserved for usage with this html window
 485     wxFrame *m_RelatedFrame;
 486 #if wxUSE_STATUSBAR
 487     int m_RelatedStatusBarIndex;
 488     wxStatusBar* m_RelatedStatusBar;
 489 #endif // wxUSE_STATUSBAR
 490     wxString m_TitleFormat;
 491
 492     // borders (free space between text and window borders)
 493     // defaults to 10 pixels.
 494     int m_Borders;
 495
 496     // current text selection or NULL
 497     wxHtmlSelection *m_selection;
 498
 499     // true if the user is dragging mouse to select text
 500     bool m_makingSelection;
 501
 502 #if wxUSE_CLIPBOARD
 503     // time of the last doubleclick event, used to detect tripleclicks
 504     // (tripleclicks are used to select whole line):
 505     wxMilliClock_t m_lastDoubleClick;
 506
 507     // helper class to automatically scroll the window if the user is selecting
 508     // text and the mouse leaves wxHtmlWindow:
 509     wxHtmlWinAutoScrollTimer *m_timerAutoScroll;
 510 #endif // wxUSE_CLIPBOARD
 511
 512 private:
 513     // window content for double buffered rendering:
 514     wxBitmap *m_backBuffer;
 515
 516     // background image, may be invalid
 517     wxBitmap m_bmpBg;
 518
 519     // variables used when user is selecting text
 520     wxPoint     m_tmpSelFromPos;
 521     wxHtmlCell *m_tmpSelFromCell;
 522
 523     // if >0 contents of the window is not redrawn
 524     // (in order to avoid ugly blinking)
 525     int m_tmpCanDrawLocks;
 526
 527     // list of HTML filters
 528     static wxList m_Filters;
 529     // this filter is used when no filter is able to read some file
 530     static wxHtmlFilter *m_DefaultFilter;
 531
 532     // html processors array:
 533     wxHtmlProcessorList *m_Processors;
 534     static wxHtmlProcessorList *m_GlobalProcessors;
 535
 536     // browser history
 537     wxHtmlHistoryArray *m_History;
 538     int m_HistoryPos;
 539     // if this FLAG is false, items are not added to history
 540     bool m_HistoryOn;
 541
 542     // a flag set if we need to erase background in OnPaint() (otherwise this
 543     // is supposed to have been done in OnEraseBackground())
 544     bool m_eraseBgInOnPaint;
 545
 546     // standard mouse cursors
 547     static wxCursor *ms_cursorLink;
 548     static wxCursor *ms_cursorText;
 549
 550     DECLARE_EVENT_TABLE()
 551     DECLARE_NO_COPY_CLASS(wxHtmlWindow)
 552 };
 553
 554
 555 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_CELL_CLICKED;
 556 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_CELL_HOVER;
 557 extern WXDLLIMPEXP_HTML const wxEventType wxEVT_COMMAND_HTML_LINK_CLICKED;
 558
 559
 560 /*!
 561  * Html cell window event
 562  */
 563
 564 class WXDLLIMPEXP_HTML wxHtmlCellEvent : public wxCommandEvent
 565 {
 566 public:
 567     wxHtmlCellEvent() {}
 568     wxHtmlCellEvent(wxEventType commandType, int id,
 569                     wxHtmlCell *cell, const wxPoint &pt,
 570                     const wxMouseEvent &ev)
 571         : wxCommandEvent(commandType, id)
 572     {
 573         m_cell = cell;
 574         m_pt = pt;
 575         m_mouseEvent = ev;
 576         m_bLinkWasClicked = false;
 577     }
 578
 579     wxHtmlCell* GetCell() const { return m_cell; }
 580     wxPoint GetPoint() const { return m_pt; }
 581     wxMouseEvent GetMouseEvent() const { return m_mouseEvent; }
 582
 583     void SetLinkClicked(bool linkclicked) { m_bLinkWasClicked=linkclicked; }
 584     bool GetLinkClicked() const { return m_bLinkWasClicked; }
 585
 586     // default copy ctor, assignment operator and dtor are ok
 587     virtual wxEvent *Clone() const { return new wxHtmlCellEvent(*this); }
 588
 589 private:
 590     wxHtmlCell *m_cell;
 591     wxMouseEvent m_mouseEvent;
 592     wxPoint m_pt;
 593
 594     bool m_bLinkWasClicked;
 595
 596     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlCellEvent)
 597 };
 598
 599
 600
 601 /*!
 602  * Html link event
 603  */
 604
 605 class WXDLLIMPEXP_HTML wxHtmlLinkEvent : public wxCommandEvent
 606 {
 607 public:
 608     wxHtmlLinkEvent() {}
 609     wxHtmlLinkEvent(int id, const wxHtmlLinkInfo &linkinfo)
 610         : wxCommandEvent(wxEVT_COMMAND_HTML_LINK_CLICKED, id)
 611     {
 612         m_linkInfo = linkinfo;
 613     }
 614
 615     const wxHtmlLinkInfo &GetLinkInfo() const { return m_linkInfo; }
 616
 617     // default copy ctor, assignment operator and dtor are ok
 618     virtual wxEvent *Clone() const { return new wxHtmlLinkEvent(*this); }
 619
 620 private:
 621     wxHtmlLinkInfo m_linkInfo;
 622
 623     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlLinkEvent)
 624 };
 625
 626
 627 typedef void (wxEvtHandler::*wxHtmlCellEventFunction)(wxHtmlCellEvent&);
 628 typedef void (wxEvtHandler::*wxHtmlLinkEventFunction)(wxHtmlLinkEvent&);
 629
 630 #define wxHtmlCellEventHandler(func) \
 631     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxHtmlCellEventFunction, &func)
 632 #define wxHtmlLinkEventHandler(func) \
 633     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxHtmlLinkEventFunction, &func)
 634
 635 #define EVT_HTML_CELL_CLICKED(id, fn) \
 636     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_CELL_CLICKED, id, wxHtmlCellEventHandler(fn))
 637 #define EVT_HTML_CELL_HOVER(id, fn) \
 638     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_CELL_HOVER, id, wxHtmlCellEventHandler(fn))
 639 #define EVT_HTML_LINK_CLICKED(id, fn) \
 640     wx__DECLARE_EVT1(wxEVT_COMMAND_HTML_LINK_CLICKED, id, wxHtmlLinkEventHandler(fn))
 641
 642
 643 #endif // wxUSE_HTML
 644
 645 #endif // _WX_HTMLWIN_H_
 646