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1// KeyUtil.cc for FbTk
2// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
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: KeyUtil.cc,v 1.1 2003/09/06 15:46:00 fluxgen Exp $
23
24#include "KeyUtil.hh"
25#include "App.hh"
26
27#include <X11/keysym.h>
28
29#include <iostream>
30using namespace std;
31
32namespace FbTk {
33
34int KeyUtil::s_capslock_mod = 0;
35int KeyUtil::s_numlock_mod = 0;
36int KeyUtil::s_scrolllock_mod = 0;
37bool KeyUtil::s_init = false;
38
39void KeyUtil::init() {
40 cerr<<"init"<<endl;
41 Display *disp = FbTk::App::instance()->display();
42
43 XModifierKeymap *modmap = XGetModifierMapping(disp);
44
45 // mask to use for modifier
46 int mods[] = {
47 ShiftMask,
48 LockMask,
49 ControlMask,
50 Mod1Mask,
51 Mod2Mask,
52 Mod3Mask,
53 Mod4Mask,
54 Mod5Mask,
55 0
56 };
57
58 // find modifiers and set them
59 for (int i = 0, realkey = 0; i < 8; ++i) {
60 for (int key = 0; key < modmap->max_keypermod; ++key, ++realkey) {
61
62 if (modmap->modifiermap[realkey] == 0)
63 continue;
64
65 KeySym ks = XKeycodeToKeysym(disp, modmap->modifiermap[realkey], 0);
66
67 switch (ks) {
68 case XK_Caps_Lock:
69 s_capslock_mod = mods[i];
70 break;
71 case XK_Scroll_Lock:
72 s_scrolllock_mod = mods[i];
73 break;
74 case XK_Num_Lock:
75 s_numlock_mod = mods[i];
76 break;
77 }
78 }
79 }
80
81 s_init = true;
82 XFreeModifiermap(modmap);
83}
84
85} // end namespace FbTk