Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 348 insertions, 0 deletions

diff --git a/kicker/applets/swallow/swallow.cpp b/kicker/applets/swallow/swallow.cpp
new file mode 100644
index 000000000..b1224986b
--- /dev/null
+++ b/kicker/applets/swallow/swallow.cpp
@@ -0,0 +1,348 @@
+/*
+ *  Copyright (c) 2000 Matthias Elter <[email protected]>
+ *                2000 Carsten Pfeiffer <[email protected]>
+ *  based on keyes (C) 1999 by Jerome Tollet <[email protected]>
+ *
+ *  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
+ */
+
+
+#include <stdlib.h>
+
+#include <qlayout.h>
+#include <qstringlist.h>
+
+#include <kapplication.h>
+#include <kcmdlineargs.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kprocess.h>
+#include <kshell.h>
+#include <kwin.h>
+#include <kwinmodule.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include "swallow.h"
+#include "prefwidget.h"
+
+template class QPtrList<SwallowApp>;
+typedef QPtrListIterator<SwallowApp> SwallowAppListIterator;
+template class QPtrList<SwallowCommand>;
+
+
+// init static variables
+SwallowAppList * SwallowApplet::appList = 0L;
+SwallowAppList * SwallowApplet::embeddedList = 0L;
+KWinModule * SwallowApplet::wModule = 0L;
+SwallowApplet * SwallowApplet::self = 0L;
+
+extern "C"
+{
+    KDE_EXPORT KPanelApplet* init(QWidget *parent, const QString& configFile) {
+	return new SwallowApplet(configFile, parent, "kswallow applet");
+    }
+}
+
+
+SwallowApplet::SwallowApplet( const QString& configFile,
+			      QWidget *parent, const char *name )
+    : KPanelApplet( configFile, Normal, Preferences, parent, name )
+{
+    resize( 30, 30 );
+    kdDebug() << "**** constructing swallow applet (" << configFile << ") ****" << endl;
+    self = this;
+    m_swcList = new SwallowCommandList;
+    m_swcList->setAutoDelete( true );
+    wModule = new KWinModule(this);
+    embeddedList = new SwallowAppList;
+    embeddedList->setAutoDelete( false );
+    appList = new SwallowAppList;
+    appList->setAutoDelete( true );
+
+    QBoxLayout::Direction d = (orientation() == Horizontal) ?
+			     QBoxLayout::LeftToRight : QBoxLayout::TopToBottom;
+    m_layout = new QBoxLayout( this, d, 0, 2 ); // make stretch configurable?
+    m_layout->setAutoAdd( false );
+
+    // read the config file and start all the configured apps
+    createApps( readConfig() );
+
+    if ( appList->count() == 0 ) {
+	if ( KMessageBox::questionYesNo(0L, i18n("There is no swallowed application, "
+		"do you want to configure or quit?"), i18n("No Swallowed Application"),
+		KGuiItem(i18n("Configure"),"configure"), KStdGuiItem::quit()) == KMessageBox::Yes )
+	    preferences();
+	else {
+	    delete this;
+	    ::exit(0);
+	}
+    }
+
+    emit updateLayout();
+}
+
+SwallowApplet::~SwallowApplet()
+{
+    kdDebug() << "********************** DELETING ************************" << endl;
+
+    delete m_swcList;
+    delete embeddedList;
+    delete appList;
+    delete wModule;
+    wModule = 0L;
+}
+
+
+SwallowCommandList* SwallowApplet::readConfig()
+{
+    m_swcList->clear();
+    KConfig *kc = config();
+
+    kc->setGroup("General");
+    int count = kc->readNumEntry("Number of apps");
+    kdDebug() << "*** Registered " << count << " App(s) to be swallow'ed!" << endl;
+    QString group = "SwallowApp %1";
+    QString title, cmd;
+    ushort errors = 0;
+    SwallowCommand *swc = 0L;
+
+    for ( int i = 1; i <= count; i++ ) {
+	kc->setGroup( group.arg(i) );
+	cmd = kc->readPathEntry("Commandline");
+	title = kc->readEntry("Window title");
+	kdDebug() << "*** Found Entry:  Cmd-Line: " << cmd << " Window-Title: " << title << endl;
+
+	if ( !cmd.isEmpty() && !title.isEmpty() ) {
+	    swc = new SwallowCommand;
+	    swc->cmdline = cmd;
+	    swc->title = title;
+	    m_swcList->append( swc );
+	}
+	// remember items with non-null cmdline or title,
+	// discard items with empty cmdline and empty title
+	else if ( !(cmd.isEmpty() && title.isEmpty()) )
+	    errors++;
+    }
+
+    if ( errors > 0 ) {
+	QString entry = (errors == 1) ? i18n("entry") : i18n("entries");
+	if ( KMessageBox::questionYesNo(0L, i18n("I found %1 invalid/incomplete %2\nin the configuration file.\n\nBoth the window title and the commandline\n of the to be swallowed application\nare required.\n\n.Do you want to correct this?").arg(errors).arg(entry), i18n("Configuration Error"),i18n("Correct"),i18n("Ignore Error")) == KMessageBox::Yes)
+	    preferences();
+    }
+
+    return m_swcList;
+}
+
+
+void SwallowApplet::createApps( SwallowCommandList* list )
+{
+    SwallowApp *app = 0L;
+
+    SwallowCommandListIterator it( *list );
+    while ( (it.current()) ) {
+	app = new SwallowApp( it.current(), this );
+	app->hide();
+	connect( app, SIGNAL( embedded(SwallowApp *)),
+		 SLOT( embedded(SwallowApp *)));
+	appList->append( app );
+	++it;
+	kapp->processEvents();
+    }
+
+    m_layout->activate();
+}
+
+
+void SwallowApplet::embedded( SwallowApp *app )
+{
+    kdDebug() << " -> embedding " << app << ", current size is: " << width() << ", " << height() << endl;
+    if ( orientation() == Horizontal )
+        app->resize(height() * app->sizeRatio(), height() );
+    else
+        app->resize(width(), width() * app->sizeRatio());
+
+    kdDebug() << "--> ratio: " << app->sizeRatio() << endl;
+    kdDebug() << "**** " << app << " is embedded now, with (" << app->width() << ", " << app->height() << ")" << endl;
+
+    disconnect( app, SIGNAL( embedded(SwallowApp *)),
+		this, SLOT( embedded(SwallowApp *)));
+
+    embeddedList->append( app );
+
+    if ( orientation() == Horizontal )
+	resize( widthForHeight( height() ), height() );
+    else
+	resize( width(), heightForWidth( width() ));
+
+    m_layout->addWidget( app );
+    app->show();
+    updateGeometry();
+    emit updateLayout();
+}
+
+void SwallowApplet::preferences()
+{
+	PreferencesWidget *prefs = new PreferencesWidget(m_swcList,this);
+	prefs->show();
+}
+
+
+int SwallowApplet::widthForHeight(int he)
+{
+    kdDebug() << "**** width for h: " << he << endl;
+    int w = embeddedList->isEmpty() ? 30 : 0;
+    layoutApps();
+    SwallowAppListIterator it( *embeddedList );
+    while ( it.current() ) {
+	kdDebug() << "current: " << it.current()->width() << endl;
+	w += (it.current())->width();
+	++it;
+    }
+
+    kdDebug() << "**** wfh: " << w << " : count: " << embeddedList->count() << endl;
+    return w;
+}
+
+
+int SwallowApplet::heightForWidth(int)
+{
+    int h = embeddedList->isEmpty() ? 30 : 0;
+    layoutApps();
+    SwallowAppListIterator it( *embeddedList );
+    while ( it.current() ) {
+	h += (it.current())->height();
+	++it;
+    }
+
+    kdDebug() << "**** hfw: " << h << endl;
+    return h;
+}
+
+void SwallowApplet::layoutApps()
+{
+    if ( KPanelApplet::orientation() == Horizontal )
+	m_layout->setDirection( QBoxLayout::LeftToRight );
+    else
+	m_layout->setDirection( QBoxLayout::TopToBottom );
+}
+
+
+void SwallowApplet::removeApplet( SwallowApp *app )
+{
+    embeddedList->removeRef( app );
+    appList->remove( app );
+    emit self->updateLayout();
+}
+
+
+///////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////
+
+
+static void parseCommand(KProcess *proc, QString cmd)
+{
+    int pos;
+
+    cmd += " ";
+
+    pos = cmd.find(' ');
+    *proc << cmd.left(pos);
+    cmd.remove(0,pos);
+    cmd = cmd.stripWhiteSpace();
+    *proc << KShell::splitArgs(cmd, KShell::TildeExpand | KShell::AbortOnMeta);
+}
+
+
+SwallowApp::SwallowApp(const SwallowCommand *swc, QWidget* parent,
+                       const char* /* name */)
+    : QXEmbed( parent )
+{
+    wh_ratio = 1;
+    setAutoDelete( false );
+    QXEmbed::initialize();
+
+    winTitle = swc->title;
+    connect(SwallowApplet::winModule(), SIGNAL(windowAdded(WId)),
+	    this, SLOT(windowAdded(WId)));
+
+    if (!swc->cmdline.isEmpty()) {
+	KProcess *process = new KProcess;
+	parseCommand(process, swc->cmdline);
+
+	// move window out of sight
+	//	*process << "-geometry";
+	//	*process << QString("32x32+%1+%2").arg(kapp->desktop()->width()).arg(kapp->desktop()->height());
+
+	connect(process, SIGNAL(processExited(KProcess*)),
+		this, SLOT(processExited(KProcess*)));
+
+	process->start();
+    }
+}
+
+
+SwallowApp::~SwallowApp()
+{
+    delete process;
+}
+
+
+void SwallowApp::windowAdded(WId win)
+{
+    // determine title of newly mapped window
+    XTextProperty nameProp;
+    XGetWMName(qt_xdisplay(), win, &nameProp);
+    char **names;
+    int count;
+    XTextPropertyToStringList(&nameProp, &names, &count);
+    if (count < 1) {
+	XFreeStringList(names);
+	return;
+    }
+
+    // is this our client?
+    if (winTitle == names[0]) {
+	kdDebug()<< "embedding window with title: "<<winTitle.latin1() << endl;
+
+    QRect r = KWin::windowInfo(win).geometry();
+	int h = r.height();
+	if ( h == 0 ) h = 1;
+	wh_ratio = (float) r.width() / (float) h;
+	kdDebug() << " - - - win is: " << r.width() << ", " << r.height() << endl;
+	resize( r.width(), r.height() );
+
+	embed(win);
+	XReparentWindow(qt_xdisplay(), win, winId(), 0, 0);
+
+	disconnect(SwallowApplet::winModule(), SIGNAL(windowAdded(WId)),
+		   this, SLOT(windowAdded(WId)));
+
+	emit embedded( this );
+    }
+
+    XFreeStringList(names);
+}
+
+
+void SwallowApp::processExited(KProcess *)
+{
+    SwallowApplet::removeApplet( this ); // also deletes this app
+}
+
+#include "swallow.moc"