f1ad10f373
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5104 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
216 lines
8.1 KiB
C++
216 lines
8.1 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_
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface
|
|
#endif
|
|
|
|
#include "wx/defs.h"
|
|
#if wxUSE_HTML
|
|
|
|
#include "wx/module.h"
|
|
#include "wx/html/htmlpars.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
|
|
{
|
|
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
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// 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)
|
|
|
|
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
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// 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 * WXUNUSED(parser)) { }
|
|
// This is called by wxHtmlWinParser.
|
|
// The method must simply call parser->AddTagHandler(new <handler_class_name>);
|
|
// for each handler
|
|
|
|
};
|
|
|
|
|
|
#endif
|
|
|
|
#endif // _WX_WINPARS_H_
|
|
|
|
|
|
|
|
|