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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/msw/helpwin.cpp | |
3 | // Purpose: Help system: WinHelp implementation | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
16 | #pragma hdrstop | |
17 | #endif | |
18 | ||
19 | #if wxUSE_HELP | |
20 | ||
21 | #ifndef WX_PRECOMP | |
22 | #endif | |
23 | ||
24 | #include "wx/filefn.h" | |
25 | #include "wx/msw/helpwin.h" | |
26 | ||
27 | #include <time.h> | |
28 | ||
29 | #ifdef __WXMSW__ | |
30 | #include "wx/msw/private.h" | |
31 | #endif | |
32 | ||
33 | #include <string.h> | |
34 | ||
35 | static HWND GetSuitableHWND(wxWinHelpController* controller) | |
36 | { | |
37 | if (controller->GetParentWindow()) | |
38 | return (HWND) controller->GetParentWindow()->GetHWND(); | |
39 | else if (wxTheApp->GetTopWindow()) | |
40 | return (HWND) wxTheApp->GetTopWindow()->GetHWND(); | |
41 | else | |
42 | return GetDesktopWindow(); | |
43 | } | |
44 | ||
45 | IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase) | |
46 | ||
47 | bool wxWinHelpController::Initialize(const wxString& filename) | |
48 | { | |
49 | m_helpFile = filename; | |
50 | return true; | |
51 | } | |
52 | ||
53 | bool wxWinHelpController::LoadFile(const wxString& file) | |
54 | { | |
55 | if (!file.empty()) | |
56 | m_helpFile = file; | |
57 | return true; | |
58 | } | |
59 | ||
60 | bool wxWinHelpController::DisplayContents(void) | |
61 | { | |
62 | if (m_helpFile.empty()) return false; | |
63 | ||
64 | wxString str = GetValidFilename(m_helpFile); | |
65 | ||
66 | return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_FINDER, 0L) != 0); | |
67 | } | |
68 | ||
69 | bool wxWinHelpController::DisplaySection(int section) | |
70 | { | |
71 | // Use context number | |
72 | if (m_helpFile.empty()) return false; | |
73 | ||
74 | wxString str = GetValidFilename(m_helpFile); | |
75 | ||
76 | return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_CONTEXT, (DWORD)section) != 0); | |
77 | } | |
78 | ||
79 | bool wxWinHelpController::DisplayContextPopup(int contextId) | |
80 | { | |
81 | if (m_helpFile.empty()) return false; | |
82 | ||
83 | wxString str = GetValidFilename(m_helpFile); | |
84 | ||
85 | return (WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_CONTEXTPOPUP, (DWORD) contextId) != 0); | |
86 | } | |
87 | ||
88 | bool wxWinHelpController::DisplayBlock(long block) | |
89 | { | |
90 | DisplaySection(block); | |
91 | return true; | |
92 | } | |
93 | ||
94 | bool wxWinHelpController::KeywordSearch(const wxString& k, | |
95 | wxHelpSearchMode WXUNUSED(mode)) | |
96 | { | |
97 | if (m_helpFile.empty()) return false; | |
98 | ||
99 | wxString str = GetValidFilename(m_helpFile); | |
100 | ||
101 | return WinHelp(GetSuitableHWND(this), str.wx_str(), HELP_PARTIALKEY, | |
102 | (ULONG_PTR)k.wx_str()) != 0; | |
103 | } | |
104 | ||
105 | // Can't close the help window explicitly in WinHelp | |
106 | bool wxWinHelpController::Quit(void) | |
107 | { | |
108 | return WinHelp(GetSuitableHWND(this), 0, HELP_QUIT, 0) != 0; | |
109 | } | |
110 | ||
111 | // Append extension if necessary. | |
112 | wxString wxWinHelpController::GetValidFilename(const wxString& file) const | |
113 | { | |
114 | wxString path, name, ext; | |
115 | wxSplitPath(file, & path, & name, & ext); | |
116 | ||
117 | wxString fullName; | |
118 | if (path.empty()) | |
119 | fullName = name + wxT(".hlp"); | |
120 | else if (path.Last() == wxT('\\')) | |
121 | fullName = path + name + wxT(".hlp"); | |
122 | else | |
123 | fullName = path + wxT("\\") + name + wxT(".hlp"); | |
124 | return fullName; | |
125 | } | |
126 | ||
127 | #endif // wxUSE_HELP |