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+/* SLiM - Simple Login Manager
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+ Copyright (C) 2004-05 Simone Rota <sip@varlock.com>
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+ Copyright (C) 2004-05 Johannes Winkelmann <jw@tks6.net>
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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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+ Code adapted from NumLockX, look at the end of this file for
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+ the original Copyright information.
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+
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+*/
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+
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+#include "numlock.h"
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+#include <string.h>
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+
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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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+ 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,
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+ &xkb_lmaj, &xkb_lmin );
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+}
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+
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+unsigned int NumLock::xkb_mask_modifier( XkbDescPtr xkb, const char *name ) {
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+ int i;
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+ if( !xkb || !xkb->names )
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+ return 0;
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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 != NULL && 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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+
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+unsigned int NumLock::xkb_numlock_mask(Display* dpy) {
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+ XkbDescPtr xkb;
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+ if(( xkb = XkbGetKeyboard( dpy, XkbAllComponentsMask, XkbUseCoreKbd )) != NULL ) {
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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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+
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+void NumLock::setOn() {
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+ unsigned int mask;
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+ Display* dpy = XOpenDisplay( NULL );
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+ if( !xkb_init(dpy))
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+ return;
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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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+ XkbLockModifiers ( dpy, XkbUseCoreKbd, mask, mask);
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+ XCloseDisplay( dpy );
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+}
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+
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+void NumLock::setOff() {
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+ unsigned int mask;
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+ Display* dpy = XOpenDisplay( NULL );
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+ if( !xkb_init(dpy))
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+ return;
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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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+ XkbLockModifiers ( dpy, XkbUseCoreKbd, mask, 0);
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+ XCloseDisplay( dpy );
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+}
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+
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+
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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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+*/
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