From b81e43465b14836b17e4fe2dea91c78a2bdd29b3 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sun, 22 Jan 2012 01:02:36 -0600
Subject: Part 2 of prior commit

---
 tdm/kfrontend/krootimage.cpp | 140 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 tdm/kfrontend/krootimage.cpp

(limited to 'tdm/kfrontend/krootimage.cpp')

diff --git a/tdm/kfrontend/krootimage.cpp b/tdm/kfrontend/krootimage.cpp
new file mode 100644
index 000000000..b51367485
--- /dev/null
+++ b/tdm/kfrontend/krootimage.cpp
@@ -0,0 +1,140 @@
+/*
+
+Copyright (C) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
+Copyright (C) 2002,2004 Oswald Buddenhagen <ossi@kde.org>
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License version 2 as published by the Free Software Foundation.
+
+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; see the file COPYING.	 If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
+
+*/
+
+#include <config.h>
+
+#include <kcmdlineargs.h>
+#include <ksimpleconfig.h>
+#include <klocale.h>
+
+#include <tqfile.h>
+
+#include "krootimage.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+#include <stdlib.h>
+
+static const char description[] =
+	I18N_NOOP( "Fancy desktop background for tdm" );
+
+static const char version[] = "v2.0";
+
+static KCmdLineOptions options[] = {
+	{ "+config", I18N_NOOP( "Name of the configuration file" ), 0 },
+	KCmdLineLastOption
+};
+
+static Atom prop_root;
+static bool properties_inited = false;
+
+MyApplication::MyApplication( const char *conf )
+	: KApplication(),
+	  renderer( 0, new KSimpleConfig( TQFile::decodeName( conf ) ) )
+{
+	connect( &timer, TQT_SIGNAL(timeout()), TQT_SLOT(slotTimeout()) );
+	connect( &renderer, TQT_SIGNAL(imageDone( int )), this, TQT_SLOT(renderDone()) );
+	renderer.enableTiling( true ); // optimize
+	renderer.changeWallpaper(); // cannot do it when we're killed, so do it now
+	timer.start( 60000 );
+	renderer.start();
+
+	if( !properties_inited ) {
+		prop_root = XInternAtom(qt_xdisplay(), "_XROOTPMAP_ID", False);
+		properties_inited = true;
+	}
+}
+
+
+void
+MyApplication::renderDone()
+{
+	// Get the newly drawn pixmap...
+	TQPixmap pm = renderer.pixmap();
+
+	// ...set it to the desktop widget...
+	TQT_TQWIDGET(desktop())->setBackgroundPixmap( pm );
+	TQT_TQWIDGET(desktop())->repaint( true );
+
+	// ...and export it via Esetroot-style so that composition managers can use it!
+	Pixmap bgPm = pm.handle(); // fetch the actual X handle to it
+	XChangeProperty(qt_xdisplay(), qt_xrootwin(), prop_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &bgPm, 1);
+
+	renderer.saveCacheFile();
+	renderer.cleanup();
+	for (unsigned i=0; i<renderer.numRenderers(); ++i)
+	{
+		KBackgroundRenderer * r = renderer.renderer(i);
+		if (r->backgroundMode() == KBackgroundSettings::Program ||
+		    (r->multiWallpaperMode() != KBackgroundSettings::NoMulti &&
+		     r->multiWallpaperMode() != KBackgroundSettings::NoMultiRandom)) {
+			return;
+		}
+	}
+
+}
+
+void
+MyApplication::slotTimeout()
+{
+	bool change = false;
+
+	if (renderer.needProgramUpdate()) {
+		renderer.programUpdate();
+		change = true;
+	}
+
+	if (renderer.needWallpaperChange()) {
+		renderer.changeWallpaper();
+		change = true;
+	}
+
+	if (change)
+		renderer.start();
+}
+
+int
+main( int argc, char *argv[] )
+{
+	KApplication::disableAutoDcopRegistration();
+
+	KLocale::setMainCatalogue( "kdesktop" );
+	KCmdLineArgs::init( argc, argv, "krootimage", I18N_NOOP( "KRootImage" ), description, version );
+	KCmdLineArgs::addCmdLineOptions( options );
+
+	KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
+	if (!args->count())
+		args->usage();
+	MyApplication app( args->arg( 0 ) );
+	args->clear();
+
+	app.exec();
+
+	app.flushX();
+
+	// Keep color resources after termination
+	XSetCloseDownMode( qt_xdisplay(), RetainTemporary );
+
+	return 0;
+}
+
+#include "krootimage.moc"
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