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Diffstat (limited to 'src/FbTk/XrmDatabaseHelper.hh')
-rw-r--r-- | src/FbTk/XrmDatabaseHelper.hh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/FbTk/XrmDatabaseHelper.hh b/src/FbTk/XrmDatabaseHelper.hh new file mode 100644 index 0000000..3273d41 --- /dev/null +++ b/src/FbTk/XrmDatabaseHelper.hh | |||
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1 | // XrmDatabaseHelper.hh | ||
2 | // Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org) | ||
3 | // | ||
4 | // Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | // copy of this software and associated documentation files (the "Software"), | ||
6 | // to deal in the Software without restriction, including without limitation | ||
7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | // and/or sell copies of the Software, and to permit persons to whom the | ||
9 | // Software is furnished to do so, subject to the following conditions: | ||
10 | // | ||
11 | // The above copyright notice and this permission notice shall be included in | ||
12 | // all copies or substantial portions of the Software. | ||
13 | // | ||
14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | // DEALINGS IN THE SOFTWARE. | ||
21 | |||
22 | // $Id: XrmDatabaseHelper.hh,v 1.3 2003/12/16 17:06:52 fluxgen Exp $ | ||
23 | |||
24 | |||
25 | #ifndef FBTK_XRMDATABASEHELPER_HH | ||
26 | #define FBTK_XRMDATABASEHELPER_HH | ||
27 | |||
28 | #include <X11/Xlib.h> | ||
29 | #include <X11/Xresource.h> | ||
30 | |||
31 | /** | ||
32 | This is a helper for XrmDatabase | ||
33 | when database goes out of scope | ||
34 | the XrmDatabase variable will be destroyed. | ||
35 | */ | ||
36 | namespace FbTk { | ||
37 | |||
38 | class XrmDatabaseHelper | ||
39 | { | ||
40 | public: | ||
41 | XrmDatabaseHelper(char const * filename=0) | ||
42 | : m_database(0) | ||
43 | { if (filename != 0) load(filename); } | ||
44 | |||
45 | ~XrmDatabaseHelper() { | ||
46 | close(); | ||
47 | } | ||
48 | |||
49 | /// assignment operator | ||
50 | XrmDatabaseHelper& operator=(const XrmDatabase& database) { | ||
51 | if (m_database!=0) | ||
52 | XrmDestroyDatabase(m_database); | ||
53 | m_database = database; | ||
54 | return *this; | ||
55 | } | ||
56 | bool load(const char *filename) { | ||
57 | if (filename == 0) | ||
58 | return false; | ||
59 | XrmDatabase db = XrmGetFileDatabase(filename); | ||
60 | if (db == 0) | ||
61 | return false; | ||
62 | close(); // close old database | ||
63 | m_database = db; // set new and return true | ||
64 | return true; | ||
65 | } | ||
66 | void close() { | ||
67 | if (m_database != 0) { | ||
68 | XrmDestroyDatabase(m_database); | ||
69 | m_database = 0; | ||
70 | } | ||
71 | } | ||
72 | bool operator == (const XrmDatabase& database) { return m_database == database; } | ||
73 | XrmDatabase & operator*(void) { return m_database; } | ||
74 | |||
75 | private: | ||
76 | XrmDatabase m_database; | ||
77 | }; | ||
78 | |||
79 | } // namespace FbTk | ||
80 | |||
81 | #endif // FBTK_XRMDATABASEHELPER_HH | ||