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5526e819 | 1 | ///////////////////////////////////////////////////////////////////////////// |
69941f05 | 2 | // Name: winpars.h |
5526e819 VS |
3 | // Purpose: wxHtmlWinParser class (parser to be used with wxHtmlWindow) |
4 | // Author: Vaclav Slavik | |
69941f05 | 5 | // RCS-ID: $Id$ |
5526e819 | 6 | // Copyright: (c) 1999 Vaclav Slavik |
65571936 | 7 | // Licence: wxWindows licence |
5526e819 VS |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
10 | ||
69941f05 VS |
11 | #ifndef _WX_WINPARS_H_ |
12 | #define _WX_WINPARS_H_ | |
5526e819 | 13 | |
12028905 | 14 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
97494971 | 15 | #pragma interface "winpars.h" |
5526e819 VS |
16 | #endif |
17 | ||
18 | #include "wx/defs.h" | |
19 | #if wxUSE_HTML | |
20 | ||
69941f05 | 21 | #include "wx/module.h" |
b250d384 | 22 | #include "wx/font.h" |
69941f05 VS |
23 | #include "wx/html/htmlpars.h" |
24 | #include "wx/html/htmlcell.h" | |
b250d384 | 25 | #include "wx/encconv.h" |
5526e819 | 26 | |
6acba9a7 VS |
27 | class WXDLLIMPEXP_HTML wxHtmlWindow; |
28 | class WXDLLIMPEXP_HTML wxHtmlWinParser; | |
29 | class WXDLLIMPEXP_HTML wxHtmlWinTagHandler; | |
30 | class WXDLLIMPEXP_HTML wxHtmlTagsModule; | |
5526e819 VS |
31 | |
32 | //-------------------------------------------------------------------------------- | |
33 | // wxHtmlWinParser | |
34 | // This class is derived from wxHtmlParser and its mail goal | |
35 | // is to parse HTML input so that it can be displayed in | |
36 | // wxHtmlWindow. It uses special wxHtmlWinTagHandler. | |
37 | //-------------------------------------------------------------------------------- | |
38 | ||
6acba9a7 | 39 | class WXDLLIMPEXP_HTML wxHtmlWinParser : public wxHtmlParser |
5526e819 | 40 | { |
4f44ea36 | 41 | DECLARE_ABSTRACT_CLASS(wxHtmlWinParser) |
5526e819 VS |
42 | friend class wxHtmlWindow; |
43 | ||
97494971 | 44 | public: |
04db5c3f | 45 | wxHtmlWinParser(wxHtmlWindow *wnd = NULL); |
97494971 VS |
46 | ~wxHtmlWinParser(); |
47 | ||
48 | virtual void InitParser(const wxString& source); | |
49 | virtual void DoneParser(); | |
50 | virtual wxObject* GetProduct(); | |
51 | ||
6cc4e6b8 | 52 | virtual wxFSFile *OpenURL(wxHtmlURLType type, const wxString& url) const; |
04db5c3f | 53 | |
97494971 VS |
54 | // Set's the DC used for parsing. If SetDC() is not called, |
55 | // parsing won't proceed | |
19193a2c | 56 | virtual void SetDC(wxDC *dc, double pixel_scale = 1.0) |
97494971 VS |
57 | { m_DC = dc; m_PixelScale = pixel_scale; } |
58 | ||
59 | wxDC *GetDC() {return m_DC;} | |
60 | double GetPixelScale() {return m_PixelScale;} | |
61 | int GetCharHeight() const {return m_CharHeight;} | |
62 | int GetCharWidth() const {return m_CharWidth;} | |
63 | ||
64 | // NOTE : these functions do _not_ return _actual_ | |
65 | // height/width. They return h/w of default font | |
66 | // for this DC. If you want actual values, call | |
67 | // GetDC()->GetChar...() | |
19193a2c | 68 | |
97494971 | 69 | // returns associated wxWindow |
04db5c3f | 70 | wxHtmlWindow *GetWindow() {return m_Window;} |
97494971 | 71 | |
4eecf115 VS |
72 | // Sets fonts to be used when displaying HTML page. (if size null then default sizes used). |
73 | void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes = NULL); | |
19193a2c | 74 | |
10e5c7ea VS |
75 | // Sets font sizes to be relative to the given size or the system |
76 | // default size; use either specified or default font | |
77 | void SetStandardFonts(int size = -1, | |
78 | const wxString& normal_face = wxEmptyString, | |
79 | const wxString& fixed_face = wxEmptyString); | |
6953da00 | 80 | |
97494971 VS |
81 | // Adds tags module. see wxHtmlTagsModule for details. |
82 | static void AddModule(wxHtmlTagsModule *module); | |
83 | ||
84 | static void RemoveModule(wxHtmlTagsModule *module); | |
85 | ||
86 | // parsing-related methods. These methods are called by tag handlers: | |
87 | ||
88 | // Returns pointer to actual container. Common use in tag handler is : | |
89 | // m_WParser->GetContainer()->InsertCell(new ...); | |
90 | wxHtmlContainerCell *GetContainer() const {return m_Container;} | |
91 | ||
92 | // opens new container. This container is sub-container of opened | |
93 | // container. Sets GetContainer to newly created container | |
94 | // and returns it. | |
95 | wxHtmlContainerCell *OpenContainer(); | |
96 | ||
97 | // works like OpenContainer except that new container is not created | |
98 | // but c is used. You can use this to directly set actual container | |
99 | wxHtmlContainerCell *SetContainer(wxHtmlContainerCell *c); | |
100 | ||
101 | // closes the container and sets actual Container to upper-level | |
102 | // container | |
103 | wxHtmlContainerCell *CloseContainer(); | |
104 | ||
105 | int GetFontSize() const {return m_FontSize;} | |
106 | void SetFontSize(int s); | |
107 | int GetFontBold() const {return m_FontBold;} | |
108 | void SetFontBold(int x) {m_FontBold = x;} | |
109 | int GetFontItalic() const {return m_FontItalic;} | |
110 | void SetFontItalic(int x) {m_FontItalic = x;} | |
111 | int GetFontUnderlined() const {return m_FontUnderlined;} | |
112 | void SetFontUnderlined(int x) {m_FontUnderlined = x;} | |
113 | int GetFontFixed() const {return m_FontFixed;} | |
114 | void SetFontFixed(int x) {m_FontFixed = x;} | |
115 | wxString GetFontFace() const {return GetFontFixed() ? m_FontFaceFixed : m_FontFaceNormal;} | |
116 | void SetFontFace(const wxString& face); | |
117 | ||
118 | int GetAlign() const {return m_Align;} | |
119 | void SetAlign(int a) {m_Align = a;} | |
120 | const wxColour& GetLinkColor() const { return m_LinkColor; } | |
121 | void SetLinkColor(const wxColour& clr) { m_LinkColor = clr; } | |
122 | const wxColour& GetActualColor() const { return m_ActualColor; } | |
123 | void SetActualColor(const wxColour& clr) { m_ActualColor = clr ;} | |
124 | const wxHtmlLinkInfo& GetLink() const { return m_Link; } | |
125 | void SetLink(const wxHtmlLinkInfo& link); | |
126 | ||
2b5f62a0 | 127 | #if !wxUSE_UNICODE |
97494971 VS |
128 | void SetInputEncoding(wxFontEncoding enc); |
129 | wxFontEncoding GetInputEncoding() const { return m_InputEnc; } | |
130 | wxFontEncoding GetOutputEncoding() const { return m_OutputEnc; } | |
131 | wxEncodingConverter *GetEncodingConverter() const { return m_EncConv; } | |
2b5f62a0 | 132 | #endif |
97494971 VS |
133 | |
134 | // creates font depending on m_Font* members. | |
135 | virtual wxFont* CreateCurrentFont(); | |
136 | ||
137 | protected: | |
6c62a62b | 138 | virtual void AddText(const wxChar* txt); |
97494971 VS |
139 | |
140 | private: | |
141 | bool m_tmpLastWasSpace; | |
6c62a62b VS |
142 | wxChar *m_tmpStrBuf; |
143 | size_t m_tmpStrBufSize; | |
144 | // temporary variables used by AddText | |
04db5c3f | 145 | wxHtmlWindow *m_Window; |
97494971 VS |
146 | // window we're parsing for |
147 | double m_PixelScale; | |
148 | wxDC *m_DC; | |
149 | // Device Context we're parsing for | |
150 | static wxList m_Modules; | |
151 | // list of tags modules (see wxHtmlTagsModule for details) | |
152 | // This list is used to initialize m_Handlers member. | |
153 | ||
154 | wxHtmlContainerCell *m_Container; | |
ace0fab4 | 155 | // current container. See Open/CloseContainer for details. |
97494971 | 156 | |
6953da00 | 157 | int m_FontBold, m_FontItalic, m_FontUnderlined, m_FontFixed; // this is not true,false but 1,0, we need it for indexing |
97494971 VS |
158 | int m_FontSize; /* -2 to +4, 0 is default */ |
159 | wxColour m_LinkColor; | |
160 | wxColour m_ActualColor; | |
161 | // basic font parameters. | |
162 | wxHtmlLinkInfo m_Link; | |
163 | // actual hypertext link or empty string | |
164 | bool m_UseLink; | |
6953da00 | 165 | // true if m_Link is not empty |
97494971 VS |
166 | long m_CharHeight, m_CharWidth; |
167 | // average height of normal-sized text | |
168 | int m_Align; | |
169 | // actual alignment | |
170 | ||
171 | wxFont* m_FontsTable[2][2][2][2][7]; | |
172 | wxString m_FontsFacesTable[2][2][2][2][7]; | |
2b5f62a0 | 173 | #if !wxUSE_UNICODE |
97494971 | 174 | wxFontEncoding m_FontsEncTable[2][2][2][2][7]; |
2b5f62a0 | 175 | #endif |
97494971 VS |
176 | // table of loaded fonts. 1st four indexes are 0 or 1, depending on on/off |
177 | // state of these flags (from left to right): | |
178 | // [bold][italic][underlined][fixed_size] | |
179 | // last index is font size : from 0 to 6 (remapped from html sizes 1 to 7) | |
180 | // Note : this table covers all possible combinations of fonts, but not | |
181 | // all of them are used, so many items in table are usually NULL. | |
182 | int m_FontsSizes[7]; | |
183 | wxString m_FontFaceFixed, m_FontFaceNormal; | |
184 | // html font sizes and faces of fixed and proportional fonts | |
185 | ||
2b5f62a0 | 186 | #if !wxUSE_UNICODE |
97494971 VS |
187 | wxFontEncoding m_InputEnc, m_OutputEnc; |
188 | // I/O font encodings | |
189 | wxEncodingConverter *m_EncConv; | |
2b5f62a0 | 190 | #endif |
8ba2f3ec VS |
191 | |
192 | wxHtmlWordCell *m_lastWordCell; | |
6953da00 | 193 | |
8ba2f3ec | 194 | DECLARE_NO_COPY_CLASS(wxHtmlWinParser) |
5526e819 VS |
195 | }; |
196 | ||
197 | ||
198 | ||
199 | ||
200 | ||
201 | ||
8ba2f3ec | 202 | //----------------------------------------------------------------------------- |
5526e819 VS |
203 | // wxHtmlWinTagHandler |
204 | // This is basicly wxHtmlTagHandler except | |
205 | // it is extended with protected member m_Parser pointing to | |
206 | // the wxHtmlWinParser object | |
8ba2f3ec | 207 | //----------------------------------------------------------------------------- |
5526e819 | 208 | |
6acba9a7 | 209 | class WXDLLIMPEXP_HTML wxHtmlWinTagHandler : public wxHtmlTagHandler |
5526e819 VS |
210 | { |
211 | DECLARE_ABSTRACT_CLASS(wxHtmlWinTagHandler) | |
212 | ||
97494971 | 213 | public: |
6fb99eb3 | 214 | wxHtmlWinTagHandler() : wxHtmlTagHandler() {} |
6e31e940 | 215 | |
97494971 | 216 | virtual void SetParser(wxHtmlParser *parser) {wxHtmlTagHandler::SetParser(parser); m_WParser = (wxHtmlWinParser*) parser;}; |
69941f05 | 217 | |
97494971 VS |
218 | protected: |
219 | wxHtmlWinParser *m_WParser; // same as m_Parser, but overcasted | |
22f3361e VZ |
220 | |
221 | DECLARE_NO_COPY_CLASS(wxHtmlWinTagHandler) | |
5526e819 VS |
222 | }; |
223 | ||
224 | ||
225 | ||
226 | ||
227 | ||
228 | ||
8ba2f3ec | 229 | //---------------------------------------------------------------------------- |
5526e819 VS |
230 | // wxHtmlTagsModule |
231 | // This is basic of dynamic tag handlers binding. | |
232 | // The class provides methods for filling parser's handlers | |
233 | // hash table. | |
234 | // (See documentation for details) | |
8ba2f3ec | 235 | //---------------------------------------------------------------------------- |
5526e819 | 236 | |
6acba9a7 | 237 | class WXDLLIMPEXP_HTML wxHtmlTagsModule : public wxModule |
5526e819 VS |
238 | { |
239 | DECLARE_DYNAMIC_CLASS(wxHtmlTagsModule) | |
240 | ||
97494971 | 241 | public: |
6fb99eb3 | 242 | wxHtmlTagsModule() : wxModule() {} |
5526e819 | 243 | |
97494971 VS |
244 | virtual bool OnInit(); |
245 | virtual void OnExit(); | |
5526e819 | 246 | |
97494971 | 247 | // This is called by wxHtmlWinParser. |
8ba2f3ec VS |
248 | // The method must simply call parser->AddTagHandler(new |
249 | // <handler_class_name>); for each handler | |
97494971 | 250 | virtual void FillHandlersTable(wxHtmlWinParser * WXUNUSED(parser)) { } |
5526e819 VS |
251 | }; |
252 | ||
253 | ||
69941f05 | 254 | #endif |
5526e819 | 255 | |
69941f05 | 256 | #endif // _WX_WINPARS_H_ |