--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: htmlwinparser.h
+// Purpose: wxHtmlWinParser class (parser to be used with wxHtmlWindow)
+// Author: Vaclav Slavik
+// Copyright: (c) 1999 Vaclav Slavik
+// Licence: wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef __HTMLWINPARSER_H__
+#define __HTMLWINPARSER_H__
+
+#ifdef __GNUG__
+#pragma interface
+#endif
+
+#include "wx/defs.h"
+#if wxUSE_HTML
+
+#include <wx/module.h>
+#include <wx/html/htmlparser.h>
+#include <wx/html/htmlcell.h>
+
+class wxHtmlWinParser;
+class wxHtmlWinTagHandler;
+class wxHtmlTagsModule;
+
+//--------------------------------------------------------------------------------
+// wxHtmlWinParser
+// This class is derived from wxHtmlParser and its mail goal
+// is to parse HTML input so that it can be displayed in
+// wxHtmlWindow. It uses special wxHtmlWinTagHandler.
+//--------------------------------------------------------------------------------
+
+class WXDLLEXPORT wxHtmlWinParser : public wxHtmlParser
+{
+ DECLARE_DYNAMIC_CLASS(wxHtmlWinParser)
+
+ friend class wxHtmlWindow;
+
+ private:
+ wxWindow *m_Window;
+ // window we're parsing for
+ 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.
+ wxString 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];
+ // 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 7 (remapped from html sizes -2 to +4)
+ // 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;
+ int m_ItalicModeFixed, m_ItalicModeNormal;
+ // html font sizes and faces of fixed and proportional fonts
+
+ public:
+ wxHtmlWinParser() : wxHtmlParser() {wxHtmlWinParser(NULL);}
+ wxHtmlWinParser(wxWindow *wnd);
+
+ virtual void InitParser(const wxString& source);
+ virtual void DoneParser();
+ virtual wxObject* GetProduct();
+
+ virtual void SetDC(wxDC *dc) {m_DC = dc;}
+ // Set's the DC used for parsing. If SetDC() is not called,
+ // parsing won't proceed
+ wxDC *GetDC() {return m_DC;}
+ 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, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes);
+ // sets fonts to be used when displaying HTML page.
+ // *_italic_mode can be either wxSLANT or wxITALIC
+
+ virtual wxList* GetTempData();
+
+ 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) {m_FontSize = 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;}
+
+ 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 wxString& GetLink() const {return m_Link;}
+ void SetLink(const wxString& link) {m_Link = link; m_UseLink = link.Length() > 0;}
+
+ virtual wxFont* CreateCurrentFont();
+ // creates font depending on m_Font* members.
+ // (note : it calls wxHtmlWindow's CreateCurrentFont...)
+
+ protected:
+ virtual void AddText(const char *txt);
+
+ private:
+ bool m_tmpLastWasSpace;
+ // temporary variable used by AddText
+};
+
+
+
+
+
+
+//--------------------------------------------------------------------------------
+// wxHtmlWinTagHandler
+// This is basicly wxHtmlTagHandler except
+// it is extended with protected member m_Parser pointing to
+// the wxHtmlWinParser object
+//--------------------------------------------------------------------------------
+
+class WXDLLEXPORT wxHtmlWinTagHandler : public wxHtmlTagHandler
+{
+ DECLARE_ABSTRACT_CLASS(wxHtmlWinTagHandler)
+
+ protected:
+ wxHtmlWinParser *m_WParser;
+ // same as m_Parser, but overcasted
+
+ public:
+ wxHtmlWinTagHandler() : wxHtmlTagHandler() {};
+
+ virtual void SetParser(wxHtmlParser *parser) {wxHtmlTagHandler::SetParser(parser); m_WParser = (wxHtmlWinParser*) parser;};
+};
+
+
+
+
+
+
+//--------------------------------------------------------------------------------
+// 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
+{
+ DECLARE_DYNAMIC_CLASS(wxHtmlTagsModule)
+
+ public:
+ wxHtmlTagsModule() : wxModule() {};
+
+ virtual bool OnInit();
+ virtual void OnExit();
+
+ virtual void FillHandlersTable(wxHtmlWinParser *parser) {}
+ // This is called by wxHtmlWinParser.
+ // The method must simply call parser->AddTagHandler(new <handler_class_name>);
+ // for each handler
+
+};
+
+
+
+#endif // __HTMLWINPARSER_H__
+
+#endif
+
+
+
projects / wxWidgets.git / blobdiff