5bce3e6feb
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46403 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
274 lines
9.7 KiB
C++
274 lines
9.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: winpars.h
|
|
// Purpose: wxHtmlWinParser class (parser to be used with wxHtmlWindow)
|
|
// Author: Vaclav Slavik
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1999 Vaclav Slavik
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_WINPARS_H_
|
|
#define _WX_WINPARS_H_
|
|
|
|
#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_HTML wxHtmlWindow;
|
|
class WXDLLIMPEXP_HTML wxHtmlWindowInterface;
|
|
class WXDLLIMPEXP_HTML wxHtmlWinParser;
|
|
class WXDLLIMPEXP_HTML wxHtmlWinTagHandler;
|
|
class WXDLLIMPEXP_HTML 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 WXDLLIMPEXP_HTML wxHtmlWinParser : public wxHtmlParser
|
|
{
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlWinParser)
|
|
friend class wxHtmlWindow;
|
|
|
|
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();
|
|
|
|
protected:
|
|
virtual void AddText(const wxString& txt);
|
|
|
|
private:
|
|
void DoAddText(wxChar *temp, int& templen, wxChar nbsp);
|
|
|
|
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
|
|
wxFontEncoding m_InputEnc, m_OutputEnc;
|
|
// I/O font encodings
|
|
wxEncodingConverter *m_EncConv;
|
|
#endif
|
|
|
|
wxHtmlWordCell *m_lastWordCell;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxHtmlWinParser)
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxHtmlWinTagHandler
|
|
// This is basicly wxHtmlTagHandler except
|
|
// it is extended with protected member m_Parser pointing to
|
|
// the wxHtmlWinParser object
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_HTML wxHtmlWinTagHandler : public wxHtmlTagHandler
|
|
{
|
|
DECLARE_ABSTRACT_CLASS(wxHtmlWinTagHandler)
|
|
|
|
public:
|
|
wxHtmlWinTagHandler() : wxHtmlTagHandler() {}
|
|
|
|
virtual void SetParser(wxHtmlParser *parser) {wxHtmlTagHandler::SetParser(parser); m_WParser = (wxHtmlWinParser*) parser;}
|
|
|
|
protected:
|
|
wxHtmlWinParser *m_WParser; // same as m_Parser, but overcasted
|
|
|
|
DECLARE_NO_COPY_CLASS(wxHtmlWinTagHandler)
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
// 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 WXDLLIMPEXP_HTML wxHtmlTagsModule : public wxModule
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxHtmlTagsModule)
|
|
|
|
public:
|
|
wxHtmlTagsModule() : wxModule() {}
|
|
|
|
virtual bool OnInit();
|
|
virtual void OnExit();
|
|
|
|
// This is called by wxHtmlWinParser.
|
|
// The method must simply call parser->AddTagHandler(new
|
|
// <handler_class_name>); for each handler
|
|
virtual void FillHandlersTable(wxHtmlWinParser * WXUNUSED(parser)) { }
|
|
};
|
|
|
|
|
|
#endif
|
|
|
|
#endif // _WX_WINPARS_H_
|