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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: helpext.h | |
3 | // Purpose: interface of wxExtHelpController | |
4 | // Author: wxWidgets team | |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows licence | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | ||
10 | /** | |
11 | @class wxExtHelpController | |
12 | ||
13 | This class implements help via an external browser. | |
14 | It requires the name of a directory containing the documentation | |
15 | and a file mapping numerical Section numbers to relative URLS. | |
16 | ||
17 | The map file contains two or three fields per line: | |
18 | numeric_id relative_URL [; comment/documentation] | |
19 | ||
20 | The numeric_id is the id used to look up the entry in | |
21 | DisplaySection()/DisplayBlock(). The relative_URL is a filename of | |
22 | an html file, relative to the help directory. The optional | |
23 | comment/documentation field (after a ';') is used for keyword | |
24 | searches, so some meaningful text here does not hurt. | |
25 | If the documentation itself contains a ';', only the part before | |
26 | that will be displayed in the listbox, but all of it used for search. | |
27 | ||
28 | Lines starting with ';' will be ignored. | |
29 | ||
30 | @library{wxadv} | |
31 | @category{help} | |
32 | ||
33 | @see wxHelpController | |
34 | */ | |
35 | class wxExtHelpController : public wxHelpControllerBase | |
36 | { | |
37 | public: | |
38 | wxExtHelpController(wxWindow* parentWindow = NULL); | |
39 | virtual ~wxExtHelpController(); | |
40 | ||
41 | /** | |
42 | Tell it which browser to use. | |
43 | The Netscape support will check whether Netscape is already | |
44 | running (by looking at the .netscape/lock file in the user's | |
45 | home directory) and tell it to load the page into the existing window. | |
46 | ||
47 | @param viewer | |
48 | The command to call a browser/html viewer. | |
49 | @param flags | |
50 | Set this to wxHELP_NETSCAPE if the browser is some variant of Netscape. | |
51 | */ | |
52 | virtual void SetViewer(const wxString& viewer = wxEmptyString, | |
53 | long flags = wxHELP_NETSCAPE); | |
54 | ||
55 | /** | |
56 | This must be called to tell the controller where to find the | |
57 | documentation. | |
58 | If a locale is set, look in file/localename, i.e. | |
59 | If passed "/usr/local/myapp/help" and the current wxLocale is | |
60 | set to be "de", then look in "/usr/local/myapp/help/de/" | |
61 | first and fall back to "/usr/local/myapp/help" if that | |
62 | doesn't exist. | |
63 | ||
64 | @param dir | |
65 | directory name where to fine the help files | |
66 | ||
67 | @return @true on success | |
68 | */ | |
69 | virtual bool Initialize(const wxString& dir); | |
70 | ||
71 | /** | |
72 | If file is "", reloads file given in Initialize. | |
73 | ||
74 | @param file | |
75 | Name of help directory. | |
76 | ||
77 | @return @true on success | |
78 | */ | |
79 | virtual bool LoadFile(const wxString& file = wxEmptyString); | |
80 | ||
81 | /** | |
82 | Display list of all help entries. | |
83 | ||
84 | @return @true on success | |
85 | */ | |
86 | virtual bool DisplayContents(); | |
87 | ||
88 | /** | |
89 | Display help for id sectionNo. | |
90 | ||
91 | @return @true on success | |
92 | */ | |
93 | virtual bool DisplaySection(int sectionNo); | |
94 | ||
95 | /** | |
96 | Display help for id sectionNo -- identical with DisplaySection(). | |
97 | ||
98 | @return @true on success | |
99 | */ | |
100 | virtual bool DisplaySection(const wxString& section); | |
101 | ||
102 | /** | |
103 | Display help for URL (using DisplayHelp) or keyword (using KeywordSearch) | |
104 | ||
105 | @return @true on success | |
106 | */ | |
107 | virtual bool DisplayBlock(long blockNo); | |
108 | ||
109 | /** | |
110 | Search comment/documentation fields in map file and present a | |
111 | list to chose from. | |
112 | ||
113 | @param k | |
114 | string to search for, empty string will list all entries | |
115 | ||
116 | @param mode | |
117 | optional parameter allows the search the index (wxHELP_SEARCH_INDEX) | |
118 | but this currently only supported by the wxHtmlHelpController. | |
119 | ||
120 | @return @true on success | |
121 | */ | |
122 | virtual bool KeywordSearch(const wxString& k, | |
123 | wxHelpSearchMode mode = wxHELP_SEARCH_ALL); | |
124 | ||
125 | /** | |
126 | Does nothing. | |
127 | */ | |
128 | virtual bool Quit(); | |
129 | ||
130 | /** | |
131 | Does nothing. | |
132 | */ | |
133 | virtual void OnQuit(); | |
134 | ||
135 | /** | |
136 | Call the browser using a relative URL. | |
137 | */ | |
138 | virtual bool DisplayHelp(const wxString& relativeURL) ; | |
139 | ||
140 | /** | |
141 | Allows one to override the default settings for the help frame. | |
142 | */ | |
143 | virtual void SetFrameParameters(const wxString& titleFormat, | |
144 | const wxSize& size, | |
145 | const wxPoint& pos = wxDefaultPosition, | |
146 | bool newFrameEachTime = false); | |
147 | ||
148 | /** | |
149 | Obtains the latest settings used by the help frame and the help frame. | |
150 | */ | |
151 | virtual wxFrame *GetFrameParameters(wxSize *size = NULL, | |
152 | wxPoint *pos = NULL, | |
153 | bool *newFrameEachTime = NULL); | |
154 | }; | |
155 |