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-rw-r--r--kicker/applets/swallow/swallow.cpp348
1 files changed, 348 insertions, 0 deletions
diff --git a/kicker/applets/swallow/swallow.cpp b/kicker/applets/swallow/swallow.cpp
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+++ b/kicker/applets/swallow/swallow.cpp
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+/*
+ * Copyright (c) 2000 Matthias Elter <elter@kde.org>
+ * 2000 Carsten Pfeiffer <pfeiffer@kde.org>
+ * based on keyes (C) 1999 by Jerome Tollet <tollet@magic.fr>
+ *
+ * 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"
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