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135 lines
3.9 KiB
135 lines
3.9 KiB
/*
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* This file is part of schlimm
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* Copyright (C) 2020 Moritz Strohm <ncc1988@posteo.de>
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* and others (see the AUTHORS file).
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*
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* SLiM - Simple Login Manager
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* Copyright (C) 2004-06 Simone Rota <sip@varlock.com>
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* Copyright (C) 2004-06 Johannes Winkelmann <jw@tks6.net>
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* Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* Copyright (C) 2000-2001 Lubos Lunak <l.lunak@kde.org>
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* Copyright (C) 2001 Oswald Buddenhagen <ossi@kde.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "NumLock.h"
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#include <string.h>
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using namespace Schlimm;
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NumLock::NumLock()
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{
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}
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int NumLock::xkb_init(Display* dpy)
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{
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int xkb_opcode, xkb_event, xkb_error;
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int xkb_lmaj = XkbMajorVersion;
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int xkb_lmin = XkbMinorVersion;
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return XkbLibraryVersion(&xkb_lmaj, &xkb_lmin) &&
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XkbQueryExtension(dpy, &xkb_opcode, &xkb_event, &xkb_error, &xkb_lmaj, &xkb_lmin);
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}
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unsigned int NumLock::xkb_mask_modifier(XkbDescPtr xkb, const char *name)
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{
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int i;
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if (!xkb || !xkb->names) {
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return 0;
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}
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for (i = 0; i < XkbNumVirtualMods; i++) {
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char* modStr = XGetAtomName(xkb->dpy, xkb->names->vmods[i]);
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if ((modStr != nullptr) && strcmp(name, modStr) == 0) {
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unsigned int mask;
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XkbVirtualModsToReal(xkb, (1 << i), &mask);
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return mask;
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}
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}
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return 0;
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}
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unsigned int NumLock::xkb_numlock_mask(Display* dpy)
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{
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XkbDescPtr xkb;
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xkb = XkbGetKeyboard(dpy, XkbAllComponentsMask, XkbUseCoreKbd);
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if(xkb != nullptr) {
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unsigned int mask = xkb_mask_modifier(xkb, "NumLock");
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XkbFreeKeyboard(xkb, 0, True);
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return mask;
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}
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return 0;
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}
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void NumLock::control_numlock(Display *dpy, bool flag)
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{
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unsigned int mask;
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if (!xkb_init(dpy)) {
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return;
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}
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mask = xkb_numlock_mask(dpy);
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if (mask == 0) {
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return;
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}
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if (flag == true) {
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XkbLockModifiers(dpy, XkbUseCoreKbd, mask, mask);
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} else {
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XkbLockModifiers(dpy, XkbUseCoreKbd, mask, 0);
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}
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}
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void NumLock::setOn(Display *dpy)
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{
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control_numlock(dpy, true);
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}
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void NumLock::setOff(Display *dpy)
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{
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control_numlock(dpy, false);
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}
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