X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/89966d5c0d85da5fe64c58b9064af5e89db400e2..14619f10b0bdb630206607abd0ce0319d45e095a:/include/wx/html/htmlwin.h diff --git a/include/wx/html/htmlwin.h b/include/wx/html/htmlwin.h index 027064aefb..8e0c7ca987 100644 --- a/include/wx/html/htmlwin.h +++ b/include/wx/html/htmlwin.h @@ -1,222 +1,659 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: htmlwin.h +// Name: wx/html/htmlwin.h // Purpose: wxHtmlWindow class for parsing & displaying HTML // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef _WX_HTMLWIN_H_ #define _WX_HTMLWIN_H_ -#ifdef __GNUG__ -#pragma interface -#endif - #include "wx/defs.h" #if wxUSE_HTML #include "wx/window.h" #include "wx/scrolwin.h" #include "wx/config.h" -#include "wx/treectrl.h" +#include "wx/stopwatch.h" #include "wx/html/winpars.h" #include "wx/html/htmlcell.h" #include "wx/filesys.h" #include "wx/html/htmlfilt.h" +#include "wx/filename.h" +#include "wx/bitmap.h" + +class wxHtmlProcessor; +class wxHtmlWinModule; +class wxHtmlHistoryArray; +class wxHtmlProcessorList; +class WXDLLIMPEXP_FWD_HTML wxHtmlWinAutoScrollTimer; +class WXDLLIMPEXP_FWD_HTML wxHtmlCellEvent; +class WXDLLIMPEXP_FWD_HTML wxHtmlLinkEvent; +class WXDLLIMPEXP_FWD_CORE wxStatusBar; + +// wxHtmlWindow flags: +#define wxHW_SCROLLBAR_NEVER 0x0002 +#define wxHW_SCROLLBAR_AUTO 0x0004 +#define wxHW_NO_SELECTION 0x0008 + +#define wxHW_DEFAULT_STYLE wxHW_SCROLLBAR_AUTO + +/// Enum for wxHtmlWindow::OnOpeningURL and wxHtmlWindowInterface::OnOpeningURL +enum wxHtmlOpeningStatus +{ + /// Open the requested URL + wxHTML_OPEN, + /// Do not open the URL + wxHTML_BLOCK, + /// Redirect to another URL (returned from OnOpeningURL) + wxHTML_REDIRECT +}; + +/** + Abstract interface to a HTML rendering window (such as wxHtmlWindow or + wxHtmlListBox) that is passed to wxHtmlWinParser. It encapsulates all + communication from the parser to the window. + */ +class WXDLLIMPEXP_HTML wxHtmlWindowInterface +{ +public: + /// Ctor + wxHtmlWindowInterface() {} + virtual ~wxHtmlWindowInterface() {} + + /** + Called by the parser to set window's title to given text. + */ + virtual void SetHTMLWindowTitle(const wxString& title) = 0; + + /** + Called when a link is clicked. + + @param link information about the clicked link + */ + virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link) = 0; + + /** + Called when the parser needs to open another URL (e.g. an image). + + @param type Type of the URL request (e.g. image) + @param url URL the parser wants to open + @param redirect If the return value is wxHTML_REDIRECT, then the + URL to redirect to will be stored in this variable + (the pointer must never be NULL) + + @return indicator of how to treat the request + */ + virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type, + const wxString& url, + wxString *redirect) const = 0; + + /** + Converts coordinates @a pos relative to given @a cell to + physical coordinates in the window. + */ + virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell, + const wxPoint& pos) const = 0; + + /// Returns the window used for rendering (may be NULL). + virtual wxWindow* GetHTMLWindow() = 0; + + /// Returns background colour to use by default. + virtual wxColour GetHTMLBackgroundColour() const = 0; + + /// Sets window's background to colour @a clr. + virtual void SetHTMLBackgroundColour(const wxColour& clr) = 0; + + /// Sets window's background to given bitmap. + virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg) = 0; + + /// Sets status bar text. + virtual void SetHTMLStatusText(const wxString& text) = 0; + + /// Type of mouse cursor + enum HTMLCursor + { + /// Standard mouse cursor (typically an arrow) + HTMLCursor_Default, + /// Cursor shown over links + HTMLCursor_Link, + /// Cursor shown over selectable text + HTMLCursor_Text + }; + + /** + Returns mouse cursor of given @a type. + */ + virtual wxCursor GetHTMLCursor(HTMLCursor type) const = 0; +}; +/** + Helper class that implements part of mouse handling for wxHtmlWindow and + wxHtmlListBox. Cursor changes and clicking on links are handled, text + selection is not. + */ +class WXDLLIMPEXP_HTML wxHtmlWindowMouseHelper +{ +protected: + /** + Ctor. + + @param iface Interface to the owner window. + */ + wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface); + + /** + Virtual dtor. + + It is not really needed in this case but at leats it prevents gcc from + complaining about its absence. + */ + virtual ~wxHtmlWindowMouseHelper() { } + + /// Returns true if the mouse moved since the last call to HandleIdle + bool DidMouseMove() const { return m_tmpMouseMoved; } + + /// Call this from EVT_MOTION event handler + void HandleMouseMoved(); + + /** + Call this from EVT_LEFT_UP handler (or, alternatively, EVT_LEFT_DOWN). + + @param rootCell HTML cell inside which the click occured. This doesn't + have to be the leaf cell, it can be e.g. toplevel + container, but the mouse must be inside the container's + area, otherwise the event would be ignored. + @param pos Mouse position in coordinates relative to @a cell + @param event The event that triggered the call + */ + bool HandleMouseClick(wxHtmlCell *rootCell, + const wxPoint& pos, const wxMouseEvent& event); + + /** + Call this from OnInternalIdle of the HTML displaying window. Handles + mouse movements and must be used together with HandleMouseMoved. + + @param rootCell HTML cell inside which the click occured. This doesn't + have to be the leaf cell, it can be e.g. toplevel + container, but the mouse must be inside the container's + area, otherwise the event would be ignored. + @param pos Current mouse position in coordinates relative to + @a cell + */ + void HandleIdle(wxHtmlCell *rootCell, const wxPoint& pos); + + /** + Called by HandleIdle when the mouse hovers over a cell. Default + behaviour is to do nothing. + + @param cell the cell the mouse is over + @param x, y coordinates of mouse relative to the cell + */ + virtual void OnCellMouseHover(wxHtmlCell *cell, wxCoord x, wxCoord y); + + /** + Called by HandleMouseClick when the user clicks on a cell. + Default behaviour is to call wxHtmlWindowInterface::OnLinkClicked() + if this cell corresponds to a hypertext link. + + @param cell the cell the mouse is over + @param x, y coordinates of mouse relative to the cell + @param event The event that triggered the call + + + @return true if a link was clicked, false otherwise. + */ + virtual bool OnCellClicked(wxHtmlCell *cell, + wxCoord x, wxCoord y, + const wxMouseEvent& event); + +protected: + // this flag indicates if the mouse moved (used by HandleIdle) + bool m_tmpMouseMoved; + // contains last link name + wxHtmlLinkInfo *m_tmpLastLink; + // contains the last (terminal) cell which contained the mouse + wxHtmlCell *m_tmpLastCell; + +private: + wxHtmlWindowInterface *m_interface; +}; -//-------------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxHtmlWindow // (This is probably the only class you will directly use.) // Purpose of this class is to display HTML page (either local -// file or downloaded via HTTP protocol) in a window. Width -// of window is constant - given in constructor - virtual height -// is changed dynamicly depending on page size. -// Once the window is created you can set it's content by calling +// file or downloaded via HTTP protocol) in a window. Width of +// window is constant - given in constructor - virtual height +// is changed dynamicly depending on page size. Once the +// window is created you can set it's content by calling // SetPage(text) or LoadPage(filename). -//-------------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +class WXDLLIMPEXP_HTML wxHtmlWindow : public wxScrolledWindow, + public wxHtmlWindowInterface, + public wxHtmlWindowMouseHelper +{ + DECLARE_DYNAMIC_CLASS(wxHtmlWindow) + friend class wxHtmlWinModule; + +public: + wxHtmlWindow() : wxHtmlWindowMouseHelper(this) { Init(); } + wxHtmlWindow(wxWindow *parent, wxWindowID id = wxID_ANY, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxHW_DEFAULT_STYLE, + const wxString& name = wxT("htmlWindow")) + : wxHtmlWindowMouseHelper(this) + { + Init(); + Create(parent, id, pos, size, style, name); + } + virtual ~wxHtmlWindow(); + + bool Create(wxWindow *parent, wxWindowID id = wxID_ANY, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxHW_SCROLLBAR_AUTO, + const wxString& name = wxT("htmlWindow")); + + // Set HTML page and display it. !! source is HTML document itself, + // it is NOT address/filename of HTML document. If you want to + // specify document location, use LoadPage() istead + // Return value : false if an error occurred, true otherwise + virtual bool SetPage(const wxString& source); + + // Append to current page + bool AppendToPage(const wxString& source); + + // Load HTML page from given location. Location can be either + // a) /usr/wxGTK2/docs/html/wx.htm + // b) http://www.somewhere.uk/document.htm + // c) ftp://ftp.somesite.cz/pub/something.htm + // In case there is no prefix (http:,ftp:), the method + // will try to find it itself (1. local file, then http or ftp) + // After the page is loaded, the method calls SetPage() to display it. + // Note : you can also use path relative to previously loaded page + // Return value : same as SetPage + virtual bool LoadPage(const wxString& location); + + // Loads HTML page from file + bool LoadFile(const wxFileName& filename); + + // Returns full location of opened page + wxString GetOpenedPage() const {return m_OpenedPage;} + // Returns anchor within opened page + wxString GetOpenedAnchor() const {return m_OpenedAnchor;} + // Returns of opened page or empty string otherwise + wxString GetOpenedPageTitle() const {return m_OpenedPageTitle;} + + // Sets frame in which page title will be displayed. Format is format of + // frame title, e.g. "HtmlHelp : %s". It must contain exactly one %s + void SetRelatedFrame(wxFrame* frame, const wxString& format); + wxFrame* GetRelatedFrame() const {return m_RelatedFrame;} + +#if wxUSE_STATUSBAR + // After(!) calling SetRelatedFrame, this sets statusbar slot where messages + // will be displayed. Default is -1 = no messages. + void SetRelatedStatusBar(int index); + void SetRelatedStatusBar(wxStatusBar*, int index = 0); +#endif // wxUSE_STATUSBAR + + // Sets fonts to be used when displaying HTML page. + void SetFonts(const wxString& normal_face, const wxString& fixed_face, + const int *sizes = NULL); + + // Sets font sizes to be relative to the given size or the system + // default size; use either specified or default font + void SetStandardFonts(int size = -1, + const wxString& normal_face = wxEmptyString, + const wxString& fixed_face = wxEmptyString); + + // Sets space between text and window borders. + void SetBorders(int b) {m_Borders = b;} + + // Sets the bitmap to use for background (currnetly it will be tiled, + // when/if we have CSS support we could add other possibilities...) + void SetBackgroundImage(const wxBitmap& bmpBg) { m_bmpBg = bmpBg; } + +#if wxUSE_CONFIG + // Saves custom settings into cfg config. it will use the path 'path' + // if given, otherwise it will save info into currently selected path. + // saved values : things set by SetFonts, SetBorders. + virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString); + // ... + virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString); +#endif // wxUSE_CONFIG + + // Goes to previous/next page (in browsing history) + // Returns true if successful, false otherwise + bool HistoryBack(); + bool HistoryForward(); + bool HistoryCanBack(); + bool HistoryCanForward(); + // Resets history + void HistoryClear(); + + // Returns pointer to conteiners/cells structure. + // It should be used ONLY when printing + wxHtmlContainerCell* GetInternalRepresentation() const {return m_Cell;} + + // Adds input filter + static void AddFilter(wxHtmlFilter *filter); + + // Returns a pointer to the parser. + wxHtmlWinParser *GetParser() const { return m_Parser; } + + // Adds HTML processor to this instance of wxHtmlWindow: + void AddProcessor(wxHtmlProcessor *processor); + // Adds HTML processor to wxHtmlWindow class as whole: + static void AddGlobalProcessor(wxHtmlProcessor *processor); + + + // -- Callbacks -- + + // Sets the title of the window + // (depending on the information passed to SetRelatedFrame() method) + virtual void OnSetTitle(const wxString& title); + + // Called when user clicked on hypertext link. Default behaviour is to + // call LoadPage(loc) + virtual void OnLinkClicked(const wxHtmlLinkInfo& link); + + // Called when wxHtmlWindow wants to fetch data from an URL (e.g. when + // loading a page or loading an image). The data are downloaded if and only if + // OnOpeningURL returns true. If OnOpeningURL returns wxHTML_REDIRECT, + // it must set *redirect to the new URL + virtual wxHtmlOpeningStatus OnOpeningURL(wxHtmlURLType WXUNUSED(type), + const wxString& WXUNUSED(url), + wxString *WXUNUSED(redirect)) const + { return wxHTML_OPEN; } + +#if wxUSE_CLIPBOARD + // Helper functions to select parts of page: + void SelectWord(const wxPoint& pos); + void SelectLine(const wxPoint& pos); + void SelectAll(); + + // Convert selection to text: + wxString SelectionToText() { return DoSelectionToText(m_selection); } + + // Converts current page to text: + wxString ToText(); +#endif // wxUSE_CLIPBOARD + + virtual void OnInternalIdle(); + + /// Returns standard HTML cursor as used by wxHtmlWindow + static wxCursor GetDefaultHTMLCursor(HTMLCursor type); + +protected: + void Init(); + + // Scrolls to anchor of this name. (Anchor is #news + // or #features etc. it is part of address sometimes: + // http://www.ms.mff.cuni.cz/~vsla8348/wxhtml/index.html#news) + // Return value : true if anchor exists, false otherwise + bool ScrollToAnchor(const wxString& anchor); + + // Prepares layout (= fill m_PosX, m_PosY for fragments) based on + // actual size of window. This method also setup scrollbars + void CreateLayout(); + + void OnPaint(wxPaintEvent& event); + void OnEraseBackground(wxEraseEvent& event); + void OnSize(wxSizeEvent& event); + void OnMouseMove(wxMouseEvent& event); + void OnMouseDown(wxMouseEvent& event); + void OnMouseUp(wxMouseEvent& event); +#if wxUSE_CLIPBOARD + void OnKeyUp(wxKeyEvent& event); + void OnDoubleClick(wxMouseEvent& event); + void OnCopy(wxCommandEvent& event); + void OnClipboardEvent(wxClipboardTextEvent& event); + void OnMouseEnter(wxMouseEvent& event); + void OnMouseLeave(wxMouseEvent& event); + void OnMouseCaptureLost(wxMouseCaptureLostEvent& event); +#endif // wxUSE_CLIPBOARD + + // Returns new filter (will be stored into m_DefaultFilter variable) + virtual wxHtmlFilter *GetDefaultFilter() {return new wxHtmlFilterPlainText;} + + // cleans static variables + static void CleanUpStatics(); + + // Returns true if text selection is enabled (wxClipboard must be available + // and wxHW_NO_SELECTION not used) + bool IsSelectionEnabled() const; + + enum ClipboardType + { + Primary, + Secondary + }; + + // Copies selection to clipboard if the clipboard support is available + // + // returns true if anything was copied to clipboard, false otherwise + bool CopySelection(ClipboardType t = Secondary); + +#if wxUSE_CLIPBOARD + // Automatic scrolling during selection: + void StopAutoScrolling(); +#endif // wxUSE_CLIPBOARD + + wxString DoSelectionToText(wxHtmlSelection *sel); + +public: + // wxHtmlWindowInterface methods: + virtual void SetHTMLWindowTitle(const wxString& title); + virtual void OnHTMLLinkClicked(const wxHtmlLinkInfo& link); + virtual wxHtmlOpeningStatus OnHTMLOpeningURL(wxHtmlURLType type, + const wxString& url, + wxString *redirect) const; + virtual wxPoint HTMLCoordsToWindow(wxHtmlCell *cell, + const wxPoint& pos) const; + virtual wxWindow* GetHTMLWindow(); + virtual wxColour GetHTMLBackgroundColour() const; + virtual void SetHTMLBackgroundColour(const wxColour& clr); + virtual void SetHTMLBackgroundImage(const wxBitmap& bmpBg); + virtual void SetHTMLStatusText(const wxString& text); + virtual wxCursor GetHTMLCursor(HTMLCursor type) const; + + // implementation of SetPage() + bool DoSetPage(const wxString& source); + +protected: + // This is pointer to the first cell in parsed data. (Note: the first cell + // is usually top one = all other cells are sub-cells of this one) + wxHtmlContainerCell *m_Cell; + // parser which is used to parse HTML input. + // Each wxHtmlWindow has its own parser because sharing one global + // parser would be problematic (because of reentrancy) + wxHtmlWinParser *m_Parser; + // contains name of actually opened page or empty string if no page opened + wxString m_OpenedPage; + // contains name of current anchor within m_OpenedPage + wxString m_OpenedAnchor; + // contains title of actually opened page or empty string if no <TITLE> tag + wxString m_OpenedPageTitle; + // class for opening files (file system) + wxFileSystem* m_FS; + + // frame in which page title should be displayed & number of its statusbar + // reserved for usage with this html window + wxFrame *m_RelatedFrame; +#if wxUSE_STATUSBAR + int m_RelatedStatusBarIndex; + wxStatusBar* m_RelatedStatusBar; +#endif // wxUSE_STATUSBAR + wxString m_TitleFormat; + + // borders (free space between text and window borders) + // defaults to 10 pixels. + int m_Borders; + + // current text selection or NULL + wxHtmlSelection *m_selection; + + // true if the user is dragging mouse to select text + bool m_makingSelection; + +#if wxUSE_CLIPBOARD + // time of the last doubleclick event, used to detect tripleclicks + // (tripleclicks are used to select whole line): + wxMilliClock_t m_lastDoubleClick; + + // helper class to automatically scroll the window if the user is selecting + // text and the mouse leaves wxHtmlWindow: + wxHtmlWinAutoScrollTimer *m_timerAutoScroll; +#endif // wxUSE_CLIPBOARD + +private: + // erase the window background using m_bmpBg or just solid colour if we + // don't have any background image + void DoEraseBackground(wxDC& dc); + + // window content for double buffered rendering, may be invalid until it is + // really initialized in OnPaint() + wxBitmap m_backBuffer; + + // background image, may be invalid + wxBitmap m_bmpBg; + + // variables used when user is selecting text + wxPoint m_tmpSelFromPos; + wxHtmlCell *m_tmpSelFromCell; + + // if >0 contents of the window is not redrawn + // (in order to avoid ugly blinking) + int m_tmpCanDrawLocks; + + // list of HTML filters + static wxList m_Filters; + // this filter is used when no filter is able to read some file + static wxHtmlFilter *m_DefaultFilter; + + // html processors array: + wxHtmlProcessorList *m_Processors; + static wxHtmlProcessorList *m_GlobalProcessors; + + // browser history + wxHtmlHistoryArray *m_History; + int m_HistoryPos; + // if this FLAG is false, items are not added to history + bool m_HistoryOn; + + // Flag used to communicate between OnPaint() and OnEraseBackground(), see + // the comments near its use. + bool m_isBgReallyErased; + + // standard mouse cursors + static wxCursor *ms_cursorLink; + static wxCursor *ms_cursorText; + + DECLARE_EVENT_TABLE() + wxDECLARE_NO_COPY_CLASS(wxHtmlWindow); +}; -// item of history list -class WXDLLEXPORT HtmlHistoryItem : public wxObject +class WXDLLIMPEXP_FWD_HTML wxHtmlCellEvent; + +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_CELL_CLICKED, wxHtmlCellEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_CELL_HOVER, wxHtmlCellEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_HTML, wxEVT_HTML_LINK_CLICKED, wxHtmlLinkEvent ); + + +/*! + * Html cell window event + */ + +class WXDLLIMPEXP_HTML wxHtmlCellEvent : public wxCommandEvent { - public: - HtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;} - int GetPos() const {return m_Pos;} - void SetPos(int p) {m_Pos = p;} - const wxString& GetPage() const {return m_Page;} - const wxString& GetAnchor() const {return m_Anchor;} - - private: - wxString m_Page; - wxString m_Anchor; - int m_Pos; +public: + wxHtmlCellEvent() {} + wxHtmlCellEvent(wxEventType commandType, int id, + wxHtmlCell *cell, const wxPoint &pt, + const wxMouseEvent &ev) + : wxCommandEvent(commandType, id) + { + m_cell = cell; + m_pt = pt; + m_mouseEvent = ev; + m_bLinkWasClicked = false; + } + + wxHtmlCell* GetCell() const { return m_cell; } + wxPoint GetPoint() const { return m_pt; } + wxMouseEvent GetMouseEvent() const { return m_mouseEvent; } + + void SetLinkClicked(bool linkclicked) { m_bLinkWasClicked=linkclicked; } + bool GetLinkClicked() const { return m_bLinkWasClicked; } + + // default copy ctor, assignment operator and dtor are ok + virtual wxEvent *Clone() const { return new wxHtmlCellEvent(*this); } + +private: + wxHtmlCell *m_cell; + wxMouseEvent m_mouseEvent; + wxPoint m_pt; + + bool m_bLinkWasClicked; + + DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlCellEvent) }; -WX_DECLARE_EXPORTED_OBJARRAY(HtmlHistoryItem, HtmlHistoryArray); +/*! + * Html link event + */ -class WXDLLEXPORT wxHtmlWindow : public wxScrolledWindow +class WXDLLIMPEXP_HTML wxHtmlLinkEvent : public wxCommandEvent { - DECLARE_DYNAMIC_CLASS(wxHtmlWindow) +public: + wxHtmlLinkEvent() {} + wxHtmlLinkEvent(int id, const wxHtmlLinkInfo &linkinfo) + : wxCommandEvent(wxEVT_HTML_LINK_CLICKED, id) + { + m_linkInfo = linkinfo; + } - public: - wxHtmlWindow() : wxScrolledWindow() {}; - wxHtmlWindow(wxWindow *parent, wxWindowID id = -1, - const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, - long style = wxHW_SCROLLBAR_AUTO, - const wxString& name = "htmlWindow"); - ~wxHtmlWindow(); - - bool SetPage(const wxString& source); - // Set HTML page and display it. !! source is HTML document itself, - // it is NOT address/filename of HTML document. If you want to - // specify document location, use LoadPage() istead - // Return value : FALSE if an error occured, TRUE otherwise - - bool LoadPage(const wxString& location); - // Load HTML page from given location. Location can be either - // a) /usr/wxGTK2/docs/html/wx.htm - // b) http://www.somewhere.uk/document.htm - // c) ftp://ftp.somesite.cz/pub/something.htm - // In case there is no prefix (http:,ftp:), the method - // will try to find it itself (1. local file, then http or ftp) - // After the page is loaded, the method calls SetPage() to display it. - // Note : you can also use path relative to previously loaded page - // Return value : same as SetPage - - wxString GetOpenedPage() const {return m_OpenedPage;} - // Returns full location of opened page - - void SetRelatedFrame(wxFrame* frame, const wxString& format); - // sets frame in which page title will be displayed. Format is format of - // frame title, e.g. "HtmlHelp : %s". It must contain exactly one %s - wxFrame* GetRelatedFrame() const {return m_RelatedFrame;} - - void SetRelatedStatusBar(int bar); - // after(!) calling SetRelatedFrame, this sets statusbar slot where messages - // will be displayed. Default is -1 = no messages. - - void SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes); - // sets fonts to be used when displaying HTML page. - // *_italic_mode can be either wxSLANT or wxITALIC - - void SetTitle(const wxString& title); - // Sets the title of the window - // (depending on the information passed to SetRelatedFrame() method) - - void SetBorders(int b) {m_Borders = b;} - // Sets space between text and window borders. - - virtual void ReadCustomization(wxConfigBase *cfg, wxString path = wxEmptyString); - // saves custom settings into cfg config. it will use the path 'path' - // if given, otherwise it will save info into currently selected path. - // saved values : things set by SetFonts, SetBorders. - virtual void WriteCustomization(wxConfigBase *cfg, wxString path = wxEmptyString); - // ... - - bool HistoryBack(); - bool HistoryForward(); - // Goes to previous/next page (in browsing history) - // Returns TRUE if successful, FALSE otherwise - void HistoryClear(); - // Resets history - - wxHtmlContainerCell* GetInternalRepresentation() const {return m_Cell;} - // Returns pointer to conteiners/cells structure. - // It should be used ONLY when printing - - static void AddFilter(wxHtmlFilter *filter); - // Adds input filter - - virtual void OnLinkClicked(const wxString& link); - // called when users clicked on hypertext link. Default behavior is to - // call LoadPage(loc) - - static void CleanUpStatics(); - // cleans static variables - - wxHtmlWinParser *GetParser() const { return m_Parser; } - // return a pointer to the parser. - - protected: - bool ScrollToAnchor(const wxString& anchor); - // Scrolls to anchor of this name. (Anchor is #news - // or #features etc. it is part of address sometimes: - // http://www.ms.mff.cuni.cz/~vsla8348/wxhtml/index.html#news) - // Return value : TRUE if anchor exists, FALSE otherwise - - void CreateLayout(); - // prepare layout (= fill m_PosX, m_PosY for fragments) based on actual size of - // window. This method also setup scrollbars - - void OnDraw(wxDC& dc); - void OnSize(wxSizeEvent& event); - void OnMouseEvent(wxMouseEvent& event); - void OnIdle(wxIdleEvent& event); - void OnKeyDown(wxKeyEvent& event); - - virtual wxHtmlFilter *GetDefaultFilter() {return new wxHtmlFilterPlainText;} - // returns new filter (will be stored into m_DefaultFilter variable) - - - protected: - wxHtmlContainerCell *m_Cell; - // This is pointer to the first cell in parsed data. - // (Note: the first cell is usually top one = all other cells are sub-cells of this one) - wxHtmlWinParser *m_Parser; - // parser which is used to parse HTML input. - // Each wxHtmlWindow has it's own parser because sharing one global - // parser would be problematic (because of reentrancy) - wxString m_OpenedPage; - // contains name of actualy opened page or empty string if no page opened - wxString m_OpenedAnchor; - // contains name of current anchor within m_OpenedPage - wxFileSystem* m_FS; - // class for opening files (file system) - - wxFrame *m_RelatedFrame; - wxString m_TitleFormat; - int m_RelatedStatusBar; - // frame in which page title should be displayed & number of it's statusbar - // reserved for usage with this html window - - int m_Borders; - // borders (free space between text and window borders) - // defaults to 10 pixels. - - int m_Style; - - private: - bool m_tmpMouseMoved; - // a flag indicated if mouse moved - // (if TRUE we will try to change cursor in last call to OnIdle) - wxString m_tmpLastLink; - // contains last link name - bool m_tmpCanDraw; - // if FALSE contents of the window is not redrawn - // (in order to avoid ugly bliking) - - static wxList m_Filters; - // list of HTML filters - static wxHtmlFilter *m_DefaultFilter; - // this filter is used when no filter is able to read some file - - HtmlHistoryArray m_History; - int m_HistoryPos; - // browser history - bool m_HistoryOn; - // if this FLAG is false, items are not added to history + const wxHtmlLinkInfo &GetLinkInfo() const { return m_linkInfo; } + // default copy ctor, assignment operator and dtor are ok + virtual wxEvent *Clone() const { return new wxHtmlLinkEvent(*this); } - DECLARE_EVENT_TABLE() +private: + wxHtmlLinkInfo m_linkInfo; + + DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHtmlLinkEvent) }; -#endif +typedef void (wxEvtHandler::*wxHtmlCellEventFunction)(wxHtmlCellEvent&); +typedef void (wxEvtHandler::*wxHtmlLinkEventFunction)(wxHtmlLinkEvent&); + +#define wxHtmlCellEventHandler(func) \ + wxEVENT_HANDLER_CAST(wxHtmlCellEventFunction, func) +#define wxHtmlLinkEventHandler(func) \ + wxEVENT_HANDLER_CAST(wxHtmlLinkEventFunction, func) + +#define EVT_HTML_CELL_CLICKED(id, fn) \ + wx__DECLARE_EVT1(wxEVT_HTML_CELL_CLICKED, id, wxHtmlCellEventHandler(fn)) +#define EVT_HTML_CELL_HOVER(id, fn) \ + wx__DECLARE_EVT1(wxEVT_HTML_CELL_HOVER, id, wxHtmlCellEventHandler(fn)) +#define EVT_HTML_LINK_CLICKED(id, fn) \ + wx__DECLARE_EVT1(wxEVT_HTML_LINK_CLICKED, id, wxHtmlLinkEventHandler(fn)) + + +// old wxEVT_COMMAND_* constants +#define wxEVT_COMMAND_HTML_CELL_CLICKED wxEVT_HTML_CELL_CLICKED +#define wxEVT_COMMAND_HTML_CELL_HOVER wxEVT_HTML_CELL_HOVER +#define wxEVT_COMMAND_HTML_LINK_CLICKED wxEVT_HTML_LINK_CLICKED + +#endif // wxUSE_HTML #endif // _WX_HTMLWIN_H_ +