X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f1ad10f37305b1e0191827e1f23d6fca944e288c..5cd99866132366b74289e5a08e963723732bae01:/include/wx/html/winpars.h diff --git a/include/wx/html/winpars.h b/include/wx/html/winpars.h index a548524bfd..0c9d548c32 100644 --- a/include/wx/html/winpars.h +++ b/include/wx/html/winpars.h @@ -4,27 +4,27 @@ // Author: Vaclav Slavik // RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef _WX_WINPARS_H_ #define _WX_WINPARS_H_ -#ifdef __GNUG__ -#pragma interface -#endif - #include "wx/defs.h" #if wxUSE_HTML #include "wx/module.h" +#include "wx/font.h" #include "wx/html/htmlpars.h" #include "wx/html/htmlcell.h" +#include "wx/encconv.h" + +class WXDLLIMPEXP_FWD_HTML wxHtmlWindow; +class WXDLLIMPEXP_FWD_HTML wxHtmlWindowInterface; +class WXDLLIMPEXP_FWD_HTML wxHtmlWinParser; +class WXDLLIMPEXP_FWD_HTML wxHtmlWinTagHandler; +class WXDLLIMPEXP_FWD_HTML wxHtmlTagsModule; -class wxHtmlWinParser; -class wxHtmlWinTagHandler; -class wxHtmlTagsModule; //-------------------------------------------------------------------------------- // wxHtmlWinParser @@ -33,120 +33,204 @@ class wxHtmlTagsModule; // wxHtmlWindow. It uses special wxHtmlWinTagHandler. //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlWinParser : public wxHtmlParser +class WXDLLIMPEXP_HTML wxHtmlWinParser : public wxHtmlParser { + DECLARE_ABSTRACT_CLASS(wxHtmlWinParser) friend class wxHtmlWindow; - public: - wxHtmlWinParser(wxWindow *wnd = NULL); - - virtual void InitParser(const wxString& source); - virtual void DoneParser(); - virtual wxObject* GetProduct(); - - virtual void SetDC(wxDC *dc, double pixel_scale = 1.0) {m_DC = dc; m_PixelScale = pixel_scale;} - // Set's the DC used for parsing. If SetDC() is not called, - // parsing won't proceed - wxDC *GetDC() {return m_DC;} - double GetPixelScale() {return m_PixelScale;} - int GetCharHeight() const {return m_CharHeight;} - int GetCharWidth() const {return m_CharWidth;} - // NOTE : these functions do _not_ return _actual_ - // height/width. They return h/w of default font - // for this DC. If you want actual values, call - // GetDC() -> GetChar...() - wxWindow *GetWindow() {return m_Window;} - // returns associated wxWindow - - void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes); - // sets fonts to be used when displaying HTML page. - - static void AddModule(wxHtmlTagsModule *module); - // Adds tags module. see wxHtmlTagsModule for details. - - // parsing-related methods. These methods are called by tag handlers: - wxHtmlContainerCell *GetContainer() const {return m_Container;} - // Returns pointer to actual container. Common use in tag handler is : - // m_WParser -> GetContainer() -> InsertCell(new ...); - wxHtmlContainerCell *OpenContainer(); - // opens new container. This container is sub-container of opened - // container. Sets GetContainer to newly created container - // and returns it. - wxHtmlContainerCell *SetContainer(wxHtmlContainerCell *c); - // works like OpenContainer except that new container is not created - // but c is used. You can use this to directly set actual container - wxHtmlContainerCell *CloseContainer(); - // closes the container and sets actual Container to upper-level - // container - - int GetFontSize() const {return m_FontSize;} - void SetFontSize(int s); - int GetFontBold() const {return m_FontBold;} - void SetFontBold(int x) {m_FontBold = x;} - int GetFontItalic() const {return m_FontItalic;} - void SetFontItalic(int x) {m_FontItalic = x;} - int GetFontUnderlined() const {return m_FontUnderlined;} - void SetFontUnderlined(int x) {m_FontUnderlined = x;} - int GetFontFixed() const {return m_FontFixed;} - void SetFontFixed(int x) {m_FontFixed = x;} - wxString GetFontFace() const {return GetFontFixed() ? m_FontFaceFixed : m_FontFaceNormal;} - void SetFontFace(const wxString& face) {if (GetFontFixed()) m_FontFaceFixed = face; else m_FontFaceNormal = face;} - - int GetAlign() const {return m_Align;} - void SetAlign(int a) {m_Align = a;} - const wxColour& GetLinkColor() const {return m_LinkColor;} - void SetLinkColor(const wxColour& clr) {m_LinkColor = clr;} - const wxColour& GetActualColor() const {return m_ActualColor;} - void SetActualColor(const wxColour& clr) {m_ActualColor = clr;} - const wxHtmlLinkInfo& GetLink() const {return m_Link;} - void SetLink(const wxHtmlLinkInfo& link); - - virtual wxFont* CreateCurrentFont(); - // creates font depending on m_Font* members. - - protected: - virtual void AddText(const char *txt); - - private: - bool m_tmpLastWasSpace; - // temporary variable used by AddText - wxWindow *m_Window; - // window we're parsing for - double m_PixelScale; - wxDC *m_DC; - // Device Context we're parsing for - static wxList m_Modules; - // list of tags modules (see wxHtmlTagsModule for details) - // This list is used to initialize m_Handlers member. - - wxHtmlContainerCell *m_Container; - // actual container. See Open/CloseContainer for details. - - int m_FontBold, m_FontItalic, m_FontUnderlined, m_FontFixed; // this is not TRUE,FALSE but 1,0, we need it for indexing - int m_FontSize; /* -2 to +4, 0 is default */ - wxColour m_LinkColor; - wxColour m_ActualColor; - // basic font parameters. - wxHtmlLinkInfo m_Link; - // actual hypertext link or empty string - bool m_UseLink; - // TRUE if m_Link is not empty - long m_CharHeight, m_CharWidth; - // average height of normal-sized text - int m_Align; - // actual alignment - - wxFont* m_FontsTable[2][2][2][2][7]; - wxString m_FontsFacesTable[2][2][2][2][7]; - // table of loaded fonts. 1st four indexes are 0 or 1, depending on on/off - // state of these flags (from left to right): - // [bold][italic][underlined][fixed_size] - // last index is font size : from 0 to 6 (remapped from html sizes 1 to 7) - // Note : this table covers all possible combinations of fonts, but not - // all of them are used, so many items in table are usually NULL. - int m_FontsSizes[7]; - wxString m_FontFaceFixed, m_FontFaceNormal; - // html font sizes and faces of fixed and proportional fonts +public: + wxHtmlWinParser(wxHtmlWindowInterface *wndIface = NULL); + + virtual ~wxHtmlWinParser(); + + virtual void InitParser(const wxString& source); + virtual void DoneParser(); + virtual wxObject* GetProduct(); + + virtual wxFSFile *OpenURL(wxHtmlURLType type, const wxString& url) const; + + // Set's the DC used for parsing. If SetDC() is not called, + // parsing won't proceed + virtual void SetDC(wxDC *dc, double pixel_scale = 1.0) + { m_DC = dc; m_PixelScale = pixel_scale; } + + wxDC *GetDC() {return m_DC;} + double GetPixelScale() {return m_PixelScale;} + int GetCharHeight() const {return m_CharHeight;} + int GetCharWidth() const {return m_CharWidth;} + + // NOTE : these functions do _not_ return _actual_ + // height/width. They return h/w of default font + // for this DC. If you want actual values, call + // GetDC()->GetChar...() + + // returns interface to the rendering window + wxHtmlWindowInterface *GetWindowInterface() {return m_windowInterface;} +#if WXWIN_COMPATIBILITY_2_6 + // deprecated, use GetWindowInterface()->GetHTMLWindow() instead + wxDEPRECATED( wxHtmlWindow *GetWindow() ); +#endif + + // Sets fonts to be used when displaying HTML page. (if size null then default sizes used). + 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); + + // Adds tags module. see wxHtmlTagsModule for details. + static void AddModule(wxHtmlTagsModule *module); + + static void RemoveModule(wxHtmlTagsModule *module); + + // parsing-related methods. These methods are called by tag handlers: + + // Returns pointer to actual container. Common use in tag handler is : + // m_WParser->GetContainer()->InsertCell(new ...); + wxHtmlContainerCell *GetContainer() const {return m_Container;} + + // opens new container. This container is sub-container of opened + // container. Sets GetContainer to newly created container + // and returns it. + wxHtmlContainerCell *OpenContainer(); + + // works like OpenContainer except that new container is not created + // but c is used. You can use this to directly set actual container + wxHtmlContainerCell *SetContainer(wxHtmlContainerCell *c); + + // closes the container and sets actual Container to upper-level + // container + wxHtmlContainerCell *CloseContainer(); + + int GetFontSize() const {return m_FontSize;} + void SetFontSize(int s); + int GetFontBold() const {return m_FontBold;} + void SetFontBold(int x) {m_FontBold = x;} + int GetFontItalic() const {return m_FontItalic;} + void SetFontItalic(int x) {m_FontItalic = x;} + int GetFontUnderlined() const {return m_FontUnderlined;} + void SetFontUnderlined(int x) {m_FontUnderlined = x;} + int GetFontFixed() const {return m_FontFixed;} + void SetFontFixed(int x) {m_FontFixed = x;} + wxString GetFontFace() const {return GetFontFixed() ? m_FontFaceFixed : m_FontFaceNormal;} + void SetFontFace(const wxString& face); + + int GetAlign() const {return m_Align;} + void SetAlign(int a) {m_Align = a;} + + wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; } + void SetScriptMode(wxHtmlScriptMode mode) { m_ScriptMode = mode; } + long GetScriptBaseline() const { return m_ScriptBaseline; } + void SetScriptBaseline(long base) { m_ScriptBaseline = base; } + + const wxColour& GetLinkColor() const { return m_LinkColor; } + void SetLinkColor(const wxColour& clr) { m_LinkColor = clr; } + const wxColour& GetActualColor() const { return m_ActualColor; } + void SetActualColor(const wxColour& clr) { m_ActualColor = clr ;} + const wxHtmlLinkInfo& GetLink() const { return m_Link; } + void SetLink(const wxHtmlLinkInfo& link); + + // applies current parser state (link, sub/supscript, ...) to given cell + void ApplyStateToCell(wxHtmlCell *cell); + +#if !wxUSE_UNICODE + void SetInputEncoding(wxFontEncoding enc); + wxFontEncoding GetInputEncoding() const { return m_InputEnc; } + wxFontEncoding GetOutputEncoding() const { return m_OutputEnc; } + wxEncodingConverter *GetEncodingConverter() const { return m_EncConv; } +#endif + + // creates font depending on m_Font* members. + virtual wxFont* CreateCurrentFont(); + + enum WhitespaceMode + { + Whitespace_Normal, // normal mode, collapse whitespace + Whitespace_Pre // inside 
, keep whitespace as-is
+    };
+
+    // change the current whitespace handling mode
+    void SetWhitespaceMode(WhitespaceMode mode) { m_whitespaceMode = mode; }
+    WhitespaceMode GetWhitespaceMode() const { return m_whitespaceMode; }
+
+protected:
+    virtual void AddText(const wxString& txt);
+
+private:
+    void FlushWordBuf(wxChar *temp, int& len);
+    void AddWord(wxHtmlWordCell *word);
+    void AddWord(const wxString& word)
+        { AddWord(new wxHtmlWordCell(word, *(GetDC()))); }
+    void AddPreBlock(const wxString& text);
+
+    bool m_tmpLastWasSpace;
+    wxChar *m_tmpStrBuf;
+    size_t  m_tmpStrBufSize;
+        // temporary variables used by AddText
+    wxHtmlWindowInterface *m_windowInterface;
+            // window we're parsing for
+    double m_PixelScale;
+    wxDC *m_DC;
+            // Device Context we're parsing for
+    static wxList m_Modules;
+            // list of tags modules (see wxHtmlTagsModule for details)
+            // This list is used to initialize m_Handlers member.
+
+    wxHtmlContainerCell *m_Container;
+            // current container. See Open/CloseContainer for details.
+
+    int m_FontBold, m_FontItalic, m_FontUnderlined, m_FontFixed; // this is not true,false but 1,0, we need it for indexing
+    int m_FontSize; /* -2 to +4,  0 is default */
+    wxColour m_LinkColor;
+    wxColour m_ActualColor;
+            // basic font parameters.
+    wxHtmlLinkInfo m_Link;
+            // actual hypertext link or empty string
+    bool m_UseLink;
+            // true if m_Link is not empty
+    long m_CharHeight, m_CharWidth;
+            // average height of normal-sized text
+    int m_Align;
+            // actual alignment
+    wxHtmlScriptMode m_ScriptMode;
+            // current script mode (sub/sup/normal)
+    long m_ScriptBaseline;
+            // current sub/supscript base
+
+    wxFont* m_FontsTable[2][2][2][2][7];
+    wxString m_FontsFacesTable[2][2][2][2][7];
+#if !wxUSE_UNICODE
+    wxFontEncoding m_FontsEncTable[2][2][2][2][7];
+#endif
+            // table of loaded fonts. 1st four indexes are 0 or 1, depending on on/off
+            // state of these flags (from left to right):
+            // [bold][italic][underlined][fixed_size]
+            // last index is font size : from 0 to 6 (remapped from html sizes 1 to 7)
+            // Note : this table covers all possible combinations of fonts, but not
+            // all of them are used, so many items in table are usually NULL.
+    int m_FontsSizes[7];
+    wxString m_FontFaceFixed, m_FontFaceNormal;
+            // html font sizes and faces of fixed and proportional fonts
+
+#if !wxUSE_UNICODE
+    wxChar m_nbsp;
+    wxFontEncoding m_InputEnc, m_OutputEnc;
+            // I/O font encodings
+    wxEncodingConverter *m_EncConv;
+#endif
+
+    // current whitespace handling mode
+    WhitespaceMode m_whitespaceMode;
+
+    wxHtmlWordCell *m_lastWordCell;
+
+    // current position on line, in num. of characters; used to properly
+    // expand TABs; only updated while inside 
+    int m_posColumn;
+
+    wxDECLARE_NO_COPY_CLASS(wxHtmlWinParser);
 };
 
 
@@ -154,25 +238,26 @@ class WXDLLEXPORT wxHtmlWinParser : public wxHtmlParser
 
 
 
-//--------------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 // wxHtmlWinTagHandler
 //                  This is basicly wxHtmlTagHandler except
 //                  it is extended with protected member m_Parser pointing to
 //                  the wxHtmlWinParser object
-//--------------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxHtmlWinTagHandler : public wxHtmlTagHandler
+class WXDLLIMPEXP_HTML wxHtmlWinTagHandler : public wxHtmlTagHandler
 {
     DECLARE_ABSTRACT_CLASS(wxHtmlWinTagHandler)
 
-    public:
-        wxHtmlWinTagHandler() : wxHtmlTagHandler() {};
+public:
+    wxHtmlWinTagHandler() : wxHtmlTagHandler() {}
+
+    virtual void SetParser(wxHtmlParser *parser) {wxHtmlTagHandler::SetParser(parser); m_WParser = (wxHtmlWinParser*) parser;}
 
-        virtual void SetParser(wxHtmlParser *parser) {wxHtmlTagHandler::SetParser(parser); m_WParser = (wxHtmlWinParser*) parser;};
+protected:
+    wxHtmlWinParser *m_WParser; // same as m_Parser, but overcasted
 
-    protected:
-        wxHtmlWinParser *m_WParser;
-                // same as m_Parser, but overcasted
+    wxDECLARE_NO_COPY_CLASS(wxHtmlWinTagHandler);
 };
 
 
@@ -180,36 +265,31 @@ class WXDLLEXPORT wxHtmlWinTagHandler : public wxHtmlTagHandler
 
 
 
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 // wxHtmlTagsModule
 //                  This is basic of dynamic tag handlers binding.
 //                  The class provides methods for filling parser's handlers
 //                  hash table.
 //                  (See documentation for details)
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxHtmlTagsModule : public wxModule
+class WXDLLIMPEXP_HTML wxHtmlTagsModule : public wxModule
 {
     DECLARE_DYNAMIC_CLASS(wxHtmlTagsModule)
 
-    public:
-        wxHtmlTagsModule() : wxModule() {};
+public:
+    wxHtmlTagsModule() : wxModule() {}
 
-        virtual bool OnInit();
-        virtual void OnExit();
-
-        virtual void FillHandlersTable(wxHtmlWinParser * WXUNUSED(parser)) { }
-                // This is called by wxHtmlWinParser.
-                // The method must simply call parser->AddTagHandler(new );
-                // for each handler
+    virtual bool OnInit();
+    virtual void OnExit();
 
+    // This is called by wxHtmlWinParser.
+    // The method must simply call parser->AddTagHandler(new
+    // ); for each handler
+    virtual void FillHandlersTable(wxHtmlWinParser * WXUNUSED(parser)) { }
 };
 
 
 #endif
 
 #endif // _WX_WINPARS_H_
-
-
-
-