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96 lines
2.7 KiB
96 lines
2.7 KiB
/* This file is part of the KDE project
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Copyright (C) 2007 Dennis Kasprzyk <onestone@opencompositing.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdesktopapp.h>
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KDesktopApp::KDesktopApp():
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KUniqueApplication()
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{
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#ifdef COMPOSITE
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initCmBackground();
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#endif
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}
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KDesktopApp::KDesktopApp(Display * dpy, Qt::HANDLE visual, Qt::HANDLE colormap):
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KUniqueApplication(dpy, visual, colormap)
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{
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#ifdef COMPOSITE
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initCmBackground();
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#endif
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}
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#ifdef COMPOSITE
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void KDesktopApp::initCmBackground()
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{
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Atom type;
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int format;
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unsigned long num, rest;
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unsigned char *data;
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m_bgSupported = false;
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m_cmBackground =
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XInternAtom (tqt_xdisplay(), "_COMPIZ_WALLPAPER_SUPPORTED", false);
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XSelectInput (tqt_xdisplay(), tqt_xrootwin(), PropertyChangeMask);
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if (XGetWindowProperty (tqt_xdisplay(), tqt_xrootwin(), m_cmBackground,
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0, 1, FALSE, XA_CARDINAL, &type, &format, &num,
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&rest, &data) == Success && num)
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{
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if (type == XA_CARDINAL)
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m_bgSupported = (*data == 1);
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XFree (data);
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}
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}
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bool KDesktopApp::x11EventFilter (XEvent * xevent)
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{
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if (xevent->type == PropertyNotify &&
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xevent->xproperty.window == tqt_xrootwin() &&
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xevent->xproperty.atom == m_cmBackground)
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{
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Atom type;
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int format;
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unsigned long num, rest;
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unsigned char *data;
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Bool supported = false;
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if (XGetWindowProperty (tqt_xdisplay(), tqt_xrootwin(), m_cmBackground,
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0, 1, FALSE, XA_CARDINAL, &type, &format, &num,
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&rest, &data) == Success && num)
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{
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if (type == XA_CARDINAL)
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supported = (*data == 1);
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XFree (data);
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}
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if (m_bgSupported != supported)
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{
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m_bgSupported = supported;
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emit cmBackgroundChanged(supported);
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}
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}
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return KUniqueApplication::x11EventFilter (xevent);
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}
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#endif
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#include "kdesktopapp.moc"
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