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