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1// WindowMenuAccessor.hh
2// Copyright (c) 2008 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 WINDOW_MENU_ACCESSOR_HH
23#define WINDOW_MENU_ACCESSOR_HH
24
25#include "FbTk/Accessor.hh"
26
27#include "FbMenu.hh"
28
29/// accesses values in current window
30template <typename Ret, typename Def=Ret>
31class WindowMenuAccessor: public FbTk::Accessor<Ret> {
32public:
33 typedef Ret (FluxboxWindow:: *Getter)() const;
34 typedef void (FluxboxWindow:: *Setter)(Ret);
35 WindowMenuAccessor(Getter g, Setter s, Def def):
36 m_getter(g), m_setter(s), m_def(def) { }
37
38 operator Ret() const {
39 FluxboxWindow *fbwin = FbMenu::window();
40 return fbwin ? (fbwin->*m_getter)() : m_def;
41 }
42 FbTk::Accessor<Ret> &operator =(const Ret &val) {
43 FluxboxWindow *fbwin = FbMenu::window();
44 if (fbwin)
45 (fbwin->*m_setter)(val);
46 return *this;
47 }
48
49private:
50 Getter m_getter;
51 Setter m_setter;
52 Def m_def;
53};
54
55/// same as above but only reads
56template <typename Ret, typename Def=Ret>
57class ConstWindowMenuAccessor: public FbTk::Accessor<Ret> {
58public:
59 typedef Ret (FluxboxWindow:: *Getter)() const;
60 ConstWindowMenuAccessor(Getter g, Def def):
61 m_getter(g), m_def(def) { }
62
63 operator Ret() const {
64 FluxboxWindow *fbwin = FbMenu::window();
65 return fbwin ? (fbwin->*m_getter)() : m_def;
66 }
67 FbTk::Accessor<Ret> &operator =(const Ret &val) { return *this; }
68
69private:
70 Getter m_getter;
71 Def m_def;
72};
73
74#endif // WINDOW_MENU_ACCESSOR_HH