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Diffstat (limited to 'src/FbTk')
-rw-r--r-- | src/FbTk/RelaySignal.hh | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/FbTk/RelaySignal.hh b/src/FbTk/RelaySignal.hh new file mode 100644 index 0000000..e9b7281 --- /dev/null +++ b/src/FbTk/RelaySignal.hh | |||
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1 | // RelaySignal.hh | ||
2 | // Copyright (c) 2010 Fluxbox Team (fluxgen at fluxbox dot 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 | #ifndef FBTK_RELAY_SIGNAL_HH | ||
23 | #define FBTK_RELAY_SIGNAL_HH | ||
24 | |||
25 | #include "Signal.hh" | ||
26 | #include "MemFun.hh" | ||
27 | #include "Subject.hh" | ||
28 | |||
29 | namespace FbTk { | ||
30 | |||
31 | /** | ||
32 | * Relays a new signal type to the old subject type signal. When the new signal | ||
33 | * emits the subject notify() will be called. | ||
34 | * This function is temporary and just a helper during transition between old | ||
35 | * and new signal system. | ||
36 | * | ||
37 | * @param from The original source of the signal. | ||
38 | * @param to_subject The destination Subject. | ||
39 | */ | ||
40 | template < typename Signal > | ||
41 | void relaySignal(Signal& from, FbTk::Subject& to_subject) { | ||
42 | from.connect(MemFunIgnoreArgs(to_subject, &FbTk::Subject::notify)); | ||
43 | } | ||
44 | |||
45 | /** | ||
46 | * Relays a new signal type to the old subject type signal. When the new signal | ||
47 | * emits the subject notify() will be called. | ||
48 | * This function is temporary and just a helper during transition between old | ||
49 | * and new signal system. | ||
50 | * | ||
51 | * @param tracker Keeps track of signals | ||
52 | * @param from The original source of the signal. | ||
53 | * @param to_subject The destination Subject | ||
54 | */ | ||
55 | template < typename Signal > | ||
56 | void relaySignal(SignalTracker& tracker, Signal& from, FbTk::Subject& to_subject) { | ||
57 | tracker.join(from, MemFunIgnoreArgs(to_subject, &FbTk::Subject::notify)); | ||
58 | } | ||
59 | |||
60 | } // end namespace FbTk | ||
61 | |||
62 | #endif // FBTK_RELAY_SIGNAL_HH | ||