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, 674 insertions, 0 deletions

diff --git a/kpager/kpager.cpp b/kpager/kpager.cpp
new file mode 100644
index 000000000..b405e633b
--- /dev/null
+++ b/kpager/kpager.cpp
@@ -0,0 +1,674 @@
+/**************************************************************************
+
+    kpager.cpp  - KPager's main window
+    Copyright (C) 2000  Antonio Larrosa Jimenez
+			Matthias Ettrich
+			Matthias Elter
+
+    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
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+    Send comments and bug fixes to [email protected]
+
+***************************************************************************/
+
+/*
+ * There is a features that is only configurable by manually editing the
+ * config file due to the translation freeze . The key is
+ * windowTransparentMode and the values are :
+ *    0 = Never
+ *    1 = Only maximized windows are painted transparent
+ *    2 = Every window is painted transparent (default)
+ *
+ */
+
+#include "config.h"
+#include "kpager.h"
+
+#include <qintdict.h>
+#include <qptrlist.h>
+#include <qlayout.h>
+#include <qtooltip.h>
+#include <qtimer.h>
+
+#include <kapplication.h>
+#include <kglobalsettings.h>
+#include <kaction.h>
+#include <kstdaction.h>
+#include <kglobal.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kwin.h>
+#include <kwinmodule.h>
+#include <netwm.h>
+#include "desktop.h"
+#include <qpopupmenu.h>
+#include <kpopupmenu.h>
+#include <kiconloader.h>
+#include <assert.h>
+
+KPagerMainWindow::KPagerMainWindow(QWidget *parent, const char *name)
+	: DCOPObject("KPagerIface"), KMainWindow(parent, name)
+{
+    m_reallyClose=false;
+
+    m_pPager = new KPager(this, 0);
+    setCentralWidget(m_pPager);
+
+    KConfig *cfg = kapp->config();
+    cfg->setGroup("KPager");
+
+    // Update the last used geometry
+    int w = cfg->readNumEntry(m_pPager->lWidth(),-1);
+    int h = cfg->readNumEntry(m_pPager->lHeight(),-1);
+    if (w > 0 && h > 0)
+        resize(w,h);
+    else
+        resize(m_pPager->sizeHint());
+    //  resize(cfg->readNumEntry(lWidth(),200),cfg->readNumEntry(lHeight(),90));
+
+    int xpos=cfg->readNumEntry("xPos",-1);
+    int ypos=cfg->readNumEntry("yPos",-1);
+    if (xpos > 0 && ypos > 0)
+      move(xpos,ypos);
+    else
+    {
+//      NETRootInfo ri( qt_xdisplay(), NET::WorkArea );
+//      NETRect rect=ri.workArea(1);
+//      move(rect.pos.x+rect.size.width-m_pPager->width(),
+//	  rect.pos.y+rect.size.height-m_pPager->height());
+// antonio:The above lines don't work. I should look at them when I have
+// more time
+        move(kapp->desktop()->width()-m_pPager->sizeHint().width()-5,kapp->desktop()->height()-m_pPager->sizeHint().height()-25);
+    }
+
+    // Set the wm flags to this window
+    KWin::setState( winId(), NET::StaysOnTop | NET::SkipTaskbar | NET::Sticky | NET::SkipPager );
+    KWin::setOnAllDesktops( winId(), true);
+    if ( KWin::windowInfo( winId(), NET::WMWindowType, 0 ).windowType(NET::Normal) == NET::Normal )
+    {
+       KWin::setType( winId(), NET::Utility );
+    }
+
+    XWMHints *hints = XGetWMHints(x11Display(), winId());
+    if( hints == NULL )
+        hints = XAllocWMHints();
+    hints->input = false;
+    hints->flags |= InputHint;
+    XSetWMHints(x11Display(), winId(), hints);
+    XFree(reinterpret_cast<char *>(hints));
+
+    timeout=new QTimer(this,"timeoutToQuit");
+    connect(timeout,SIGNAL(timeout()),this, SLOT(reallyClose()));
+}
+
+KPagerMainWindow::~KPagerMainWindow()
+{
+}
+
+extern bool closed_by_sm;
+
+bool KPagerMainWindow::queryClose()
+{
+    KConfig *cfg=KGlobal::config();
+
+    cfg->setGroup("KPager");
+    cfg->writeEntry("layoutType", static_cast<int>(m_pPager->m_layoutType));
+    cfg->writeEntry(m_pPager->lWidth(),width());
+    cfg->writeEntry(m_pPager->lHeight(),height());
+    cfg->writeEntry("xPos",x());
+    cfg->writeEntry("yPos",y());
+    cfg->sync();
+
+	kdDebug() << "queryCLose " << m_reallyClose << " " << closed_by_sm << endl;
+    if (m_reallyClose || closed_by_sm) return true;
+
+    hide();
+    timeout->start(10 /*minutes*/ *60000, true);
+
+    return false;
+}
+
+void KPagerMainWindow::showEvent( QShowEvent *ev )
+{
+  timeout->stop();
+  KMainWindow::showEvent(ev); 
+}
+
+void KPagerMainWindow::reallyClose()
+{
+  m_reallyClose=true;
+  close();
+}
+
+void KPagerMainWindow::showAt(int x, int y)
+{
+  // Just in case we lost the sticky bit... (as when a window is hidden)
+  KWin::setOnAllDesktops( winId(), true);
+  
+  if (x>kapp->desktop()->width()/2) // Right
+    x-=m_pPager->width()+5;
+  if (y>kapp->desktop()->height()/2) // Bottom
+    y-=m_pPager->height()+25;
+  move(x,y);
+  show();
+}
+
+void KPagerMainWindow::toggleShow(int x, int y)
+{
+  if (isVisible())
+  {
+    hide();
+    timeout->start(10 /*minutes*/ *60000, true);
+  }
+  else 
+    showAt(x,y);
+}
+
+KPager::KPager(KPagerMainWindow *parent, const char *name)
+	: QFrame (parent, name, WStyle_Customize | WStyle_NoBorder | WStyle_Tool)
+    , m_layout(0)
+    , m_mnu(0)
+    , m_smnu(0)
+    , m_dmnu(0)
+{
+    m_windows.setAutoDelete(true); // delete windows info after removal
+
+    setBackgroundColor( black );
+    m_winmodule=new KWinModule(this);
+    m_currentDesktop=m_winmodule->currentDesktop();
+
+    m_grabWinTimer=new QTimer(this,"grabWinTimer");
+    connect(m_grabWinTimer, SIGNAL(timeout()), this, SLOT(slotGrabWindows()));
+
+    KPagerConfigDialog::initConfiguration();
+
+    KConfig *cfg = kapp->config();
+    cfg->setGroup("KPager");
+    m_showStickyOption=cfg->readBoolEntry("ShowStickyOption",false);
+
+    int numberOfDesktops=m_winmodule->numberOfDesktops();
+    for (int i=0;i<numberOfDesktops;i++)
+    {
+        Desktop *dsk=new Desktop(i+1,m_winmodule->desktopName(i),this);
+        m_desktops.append(dsk);
+    }
+
+    m_layoutType=static_cast<enum KPager::LayoutTypes>( KPagerConfigDialog::m_layoutType );
+
+    connect( m_winmodule, SIGNAL( activeWindowChanged(WId)),
+             SLOT(slotActiveWindowChanged(WId)));
+    connect( m_winmodule, SIGNAL( windowAdded(WId) ),
+             SLOT( slotWindowAdded(WId) ) );
+    connect( m_winmodule, SIGNAL( windowRemoved(WId) ),
+             SLOT( slotWindowRemoved(WId) ) );
+    connect( m_winmodule, SIGNAL( windowChanged(WId,unsigned int) ),
+             SLOT( slotWindowChanged(WId,unsigned int) ) );
+    connect( m_winmodule, SIGNAL( stackingOrderChanged() ),
+             SLOT( slotStackingOrderChanged() ) );
+    connect( m_winmodule, SIGNAL( desktopNamesChanged() ),
+             SLOT( slotDesktopNamesChanged() ) );
+    connect( m_winmodule, SIGNAL( numberOfDesktopsChanged(int) ),
+             SLOT( slotNumberOfDesktopsChanged(int) ) );
+    connect( m_winmodule, SIGNAL( currentDesktopChanged(int)),
+             SLOT( slotCurrentDesktopChanged(int) ) );
+    connect(kapp, SIGNAL(backgroundChanged(int)),
+            SLOT(slotBackgroundChanged(int)));
+
+    QFont defFont(KGlobalSettings::generalFont().family(), 10, QFont::Bold);
+    defFont = cfg->readFontEntry("Font", &defFont);
+    setFont(defFont);
+
+    m_prefs_action = KStdAction::preferences(this, SLOT(configureDialog()), parent->actionCollection());
+    m_quit_action = KStdAction::quit(kapp, SLOT(quit()), parent->actionCollection());
+
+    updateLayout();
+}
+
+KPager::~KPager()
+{
+
+}
+
+const QString KPager::lWidth()
+{
+    switch (m_layoutType) {
+	case (Classical) :  return "layoutClassicalWidth";break;
+	case (Horizontal) : return "layoutHorizontalWidth";break;
+	case (Vertical) :   return "layoutVerticalWidth";break;
+    };
+    return "Width";
+}
+
+const QString KPager::lHeight()
+{
+    switch (m_layoutType) {
+	case (Classical) :  return "layoutClassicalHeight";break;
+	case (Horizontal) : return "layoutHorizontalHeight";break;
+	case (Vertical) :   return "layoutVerticalHeight";break;
+    };
+    return "Height";
+}
+
+void KPager::updateLayout()
+{
+    int w=m_desktops[0]->width();
+    int h=m_desktops[0]->height();
+
+    delete m_layout;
+
+    switch (m_layoutType)
+    {
+        case (Classical) :  m_layout=new QGridLayout(this, 2, 0); break;
+        case (Horizontal) : m_layout=new QGridLayout(this, 0, 1); break;
+        case (Vertical) :   m_layout=new QGridLayout(this, 1, 0); break;
+    };
+
+    QValueList <Desktop *>::Iterator it;
+    int i,j;
+    i=j=0;
+    int ndesks=0;
+    int halfdesks = (m_desktops.count() + 1) / 2;
+    for( it = m_desktops.begin(); it != m_desktops.end(); ++it )
+    {
+        m_layout->addWidget(*it,i,j);
+        ndesks++;
+        switch (m_layoutType)
+        {
+            case (Classical) :  i= ndesks / halfdesks; j = ndesks % halfdesks; break;
+            case (Horizontal) : j++; break;
+            case (Vertical) :   i++; break;
+        };
+    }
+
+    m_layout->activate();
+    updateGeometry();
+
+    switch (m_layoutType)
+    {
+        case (Classical) :  resize(w*(ndesks/2+(ndesks%2)),h*2);break;
+        case (Horizontal) : resize(w*ndesks,h);break;
+        case (Vertical) :   resize(w, h*ndesks);break;
+    };
+
+}
+
+void KPager::showPopupMenu( WId wid, QPoint pos)
+{
+    if (wid <= 0) {
+	if(!m_smnu) {
+	    m_smnu = new QPopupMenu(this);
+	    m_prefs_action->plug(m_smnu);
+	    m_quit_action->plug(m_smnu);
+	}
+	m_smnu->popup(pos);
+    }
+    else {
+        m_winfo = KWin::windowInfo(wid);
+
+        if (!m_mnu) {
+            m_mnu = new KPopupMenu(this);
+
+            m_mnu->insertTitle( QString::fromUtf8("KPager"), 1);
+            m_mnu->setCheckable(true);
+            connect(m_mnu, SIGNAL(aboutToShow()), SLOT(clientPopupAboutToShow()));
+            connect(m_mnu, SIGNAL(activated(int)), SLOT(clientPopupActivated(int)));
+
+            m_dmnu = new QPopupMenu(m_mnu);
+            m_dmnu->setCheckable(true);
+            connect(m_dmnu, SIGNAL(aboutToShow()), SLOT(desktopPopupAboutToShow()));
+            connect(m_dmnu, SIGNAL(activated(int)), SLOT(sendToDesktop(int)));
+
+            m_mnu->insertItem( i18n("Mi&nimize"), IconifyOp );
+            m_mnu->insertItem( i18n("Ma&ximize"), MaximizeOp );
+            if (m_showStickyOption)
+                m_mnu->insertItem( QString("&Sticky"), StickyOp );  // Add translation
+            m_mnu->insertSeparator();
+
+            m_mnu->insertItem(i18n("&To Desktop"), m_dmnu );
+            m_mnu->insertSeparator();
+
+            m_mnu->insertItem(SmallIcon("fileclose"),i18n("&Close"), CloseOp);
+
+            m_mnu->insertSeparator();
+	    m_prefs_action->plug(m_mnu);
+	    m_quit_action->plug(m_mnu);
+        }
+        m_mnu->popup(pos);
+    }
+}
+
+void KPager::configureDialog()
+{
+    KPagerConfigDialog *dialog= new KPagerConfigDialog(this);
+    if (dialog->exec())
+    {
+        m_layoutType=static_cast<enum KPager::LayoutTypes>(KPagerConfigDialog::m_layoutType);
+	KConfig *cfg=KGlobal::config();
+	int nWd = (parent() ? ((QWidget *)parent())->width() : width());
+	int nHg = (parent() ? ((QWidget *)parent())->width() : width());
+
+	cfg->setGroup("KPager");
+
+	cfg->writeEntry(lWidth(),nWd);
+	cfg->writeEntry(lHeight(),nHg);
+	cfg->writeEntry("windowDrawMode",KPagerConfigDialog::m_windowDrawMode);
+	cfg->writeEntry("layoutType",KPagerConfigDialog::m_layoutType);
+	cfg->writeEntry("showNumber",KPagerConfigDialog::m_showNumber);
+	cfg->writeEntry("showName",KPagerConfigDialog::m_showName);
+	cfg->writeEntry("showWindows",KPagerConfigDialog::m_showWindows);
+	cfg->writeEntry("showBackground",KPagerConfigDialog::m_showBackground);
+	cfg->writeEntry("windowDragging",KPagerConfigDialog::m_windowDragging);
+
+        updateLayout();
+        for( QValueList <Desktop *>::Iterator it = m_desktops.begin(); it != m_desktops.end(); ++it )
+            (*it)->repaint();
+    }
+}
+
+KWin::WindowInfo* KPager::info( WId win )
+{
+    KWin::WindowInfo* info = m_windows[win];
+    if (!info )
+    {
+        info = new KWin::WindowInfo( KWin::windowInfo( win ) );
+        if( !info->valid() || info->desktop() == 0 )
+        {
+            delete info;
+            return NULL; // window no longer valid
+        }
+        m_windows.insert( (long) win, info );
+    }
+    return info;
+}
+
+void KPager::slotActiveWindowChanged( WId win )
+{
+    KWin::WindowInfo* inf1 = info( m_activeWin );
+    KWin::WindowInfo* inf2 = info( win );
+    m_activeWin = win;
+
+    // update window pixmap
+    // in case of active desktop change it will be updated anyway by timer
+//    if (!m_grabWinTimer->isActive())
+//        Desktop::removeCachedPixmap(win);
+
+    for ( int i=1; i <= (int) m_desktops.count(); ++i)
+    {
+        if ( (inf1 && inf1->isOnDesktop(i))
+             || (inf2 && inf2->isOnDesktop(i) ) )
+            m_desktops[i-1]->repaint(false);
+    }
+}
+
+void KPager::slotWindowAdded( WId win)
+{
+    KWin::WindowInfo* inf = info( win );
+    if (!inf)
+        return; // never should be here
+
+    for ( int i=1; i <= (int) m_desktops.count(); ++i)
+    {
+        if ( inf->isOnDesktop( i ))
+            m_desktops[i-1]->repaint(false);
+    }
+}
+
+void KPager::slotWindowRemoved( WId win )
+{
+    KWin::WindowInfo* inf = m_windows[win];
+    if (inf)
+    {
+        bool onAllDesktops = inf->onAllDesktops();
+        int desktop = inf->desktop();
+        m_windows.remove( (long)win );
+        Desktop::removeCachedPixmap(win);
+        for (int i = 1; i <= (int) m_desktops.count(); ++i)
+        {
+            if (onAllDesktops || desktop == i)
+                m_desktops[i-1]->repaint(false);
+        }
+    }
+}
+
+void KPager::slotWindowChanged( WId win , unsigned int prop)
+{
+    bool repaint=false;
+
+    KWin::WindowInfo* inf = m_windows[win];
+    if (!inf)
+    {
+      inf=info(win);
+      prop=0; // info already calls KWin::info, so there's no need
+      // to update anything else.
+      repaint=true;
+    };
+
+    bool onAllDesktops = inf ? inf->onAllDesktops() : false;
+    int desktop = inf ? inf->desktop() : 0;
+
+    if (prop)
+    {
+      m_windows.remove( (long) win );
+      inf = info( win );
+    }
+    
+    if((prop & ~( NET::WMName | NET::WMVisibleName )) != 0 )
+	repaint = true;
+
+    if (repaint)
+    for ( int i=1; i <= (int) m_desktops.count(); ++i)
+    {
+      if ((inf && (inf->isOnDesktop(i)))
+	  || onAllDesktops || desktop == i )
+        {
+            m_desktops[i-1]->repaint(false);
+        }
+    }
+//	redrawDesktops();
+}
+
+void KPager::slotStackingOrderChanged()
+{
+    m_desktops[m_currentDesktop-1]->m_grabWindows=true;
+    for ( int i=1; i <= (int) m_desktops.count(); ++i)
+    {
+        m_desktops[i-1]->repaint(false);
+    }
+//    repaint(true);
+}
+
+void KPager::slotDesktopNamesChanged()
+{
+    for ( int i=1; i <= (int) m_desktops.count(); ++i)
+    {
+        QToolTip::remove(m_desktops[i-1]);
+        QToolTip::add(m_desktops[i-1], kwin()->desktopName(i));
+    }
+
+    update();
+    emit updateLayout();
+}
+
+void KPager::slotNumberOfDesktopsChanged(int ndesktops)
+{
+    unsigned int nDesktops=static_cast<unsigned int>(ndesktops);
+    if (nDesktops<m_desktops.count())
+    {
+        QValueList <Desktop *>::Iterator it;
+        for ( int i=m_desktops.count()-nDesktops; i > 0; i--)
+        {
+            it = m_desktops.fromLast();
+            delete (*it);
+            m_desktops.remove(it);
+        }
+
+        emit updateLayout();
+    }
+    else if (nDesktops>m_desktops.count())
+    {
+        int i,j;
+        i=j=m_desktops.count();
+        switch (m_layoutType)
+        {
+            case (Classical) :  i%=2;j/=2; break;
+            case (Horizontal) : i=0; break;
+            case (Vertical) :   j=0; break;
+        }
+
+        for (unsigned int d=m_desktops.count()+1;d<=nDesktops; d++)
+        {
+            Desktop *dsk=new Desktop(d,kwin()->desktopName(d-1),this);
+            m_desktops.append(dsk);
+            dsk->show();
+        }
+
+        emit updateLayout();
+    }
+}
+
+
+void KPager::slotCurrentDesktopChanged(int desk)
+{
+    if (m_currentDesktop==desk) return;
+    m_desktops[m_currentDesktop-1]->paintFrame( false );
+    m_desktops[m_currentDesktop-1]->update();
+    m_desktops[desk-1]->paintFrame( true );
+    m_desktops[desk-1]->update();
+//    m_desktops[m_currentDesktop-1]->repaint();
+//    m_desktops[desk-1]->repaint();
+
+    m_currentDesktop=desk;
+
+    if (m_grabWinTimer->isActive()) m_grabWinTimer->stop();
+
+    if ( static_cast<Desktop::WindowDrawMode>( KPagerConfigDialog::m_windowDrawMode ) == Desktop::Pixmap )
+        m_grabWinTimer->start(1000,true);
+}
+
+void KPager::slotBackgroundChanged(int desk)
+{
+    m_desktops[desk-1]->loadBgPixmap();
+}
+
+void KPager::sendToDesktop(int desk)
+{
+    if (desk == 0)
+	KWin::setOnAllDesktops(m_winfo.win(), true);
+    else {
+	KWin::setOnDesktop(m_winfo.win(), desk);
+    }
+}
+
+void KPager::clientPopupAboutToShow()
+{
+    if (!m_mnu) return;
+
+    m_mnu->changeTitle(1,KWin::icon(m_winfo.win(),16,16,true), m_winfo.name());
+    m_mnu->setItemChecked(IconifyOp, m_winfo.isMinimized());
+    m_mnu->setItemChecked(MaximizeOp, m_winfo.state() & NET::Max);
+    if (m_showStickyOption)   // Add translation
+        m_mnu->changeItem(StickyOp,
+                          (m_winfo.onAllDesktops()) ? QString("Un&sticky"):QString("&Sticky"));
+}
+
+void KPager::desktopPopupAboutToShow()
+{
+    if (!m_dmnu) return;
+
+    m_dmnu->clear();
+    m_dmnu->insertItem( i18n("&All Desktops"), 0 );
+    m_dmnu->insertSeparator();
+
+    if (m_winfo.onAllDesktops())
+        m_dmnu->setItemChecked( 0, true );
+
+    int id;
+    for ( int i = 1; i <= m_winmodule->numberOfDesktops(); i++ ) {
+        id = m_dmnu->insertItem( QString("&")+QString::number(i )+QString(" ")
+                                 + m_winmodule->desktopName(i), i );
+        if ( m_winfo.desktop() == i )
+            m_dmnu->setItemChecked( id, TRUE );
+    }
+}
+
+void KPager::clientPopupActivated( int id )
+{
+    switch ( id ) {
+	case MaximizeOp:
+	    if ( (m_winfo.state() & NET::Max)  == 0 ) {
+		NETWinInfo ni( qt_xdisplay(),  m_winfo.win(), qt_xrootwin(), 0);
+		ni.setState( NET::Max, NET::Max );
+	    } else {
+		NETWinInfo ni( qt_xdisplay(),  m_winfo.win(), qt_xrootwin(), 0);
+		ni.setState( 0, NET::Max );
+	    }
+	    break;
+	case IconifyOp:
+	    if ( !m_winfo.isMinimized() ) {
+		KWin::iconifyWindow( m_winfo.win());
+	    } else {
+		KWin::forceActiveWindow( m_winfo.win() );
+	    }
+	    break;
+	case StickyOp:
+	    if ( m_winfo.onAllDesktops() ) {
+		KWin::setOnAllDesktops(m_winfo.win(), false);
+	    } else {
+		KWin::setOnAllDesktops(m_winfo.win(), true);
+	    }
+	    break;
+	case CloseOp: {
+	    NETRootInfo ri( qt_xdisplay(),  0 );
+	    ri.closeWindowRequest( m_winfo.win() );
+	} break;
+	default:
+	    break;
+    }
+}
+
+void KPager::redrawDesktops()
+{
+    QValueList <Desktop *>::Iterator it;
+    for( it = m_desktops.begin(); it != m_desktops.end(); ++it )
+        (*it)->repaint();
+}
+
+void KPager::slotGrabWindows()
+{
+    m_desktops[m_currentDesktop-1]->m_grabWindows=true;
+    m_desktops[m_currentDesktop-1]->repaint();
+}
+
+QSize KPager::sizeHint() const
+{
+    int n=m_desktops.count();
+    int w=-1,h=-1;
+
+    QSize size=m_desktops[0]->sizeHint();
+    int wDsk=size.width();
+    int hDsk=size.height();
+    switch (m_layoutType)
+    {
+        case (Classical) :  w=wDsk*(n/2+(n%2)); h=hDsk*2;break;
+        case (Horizontal) : w=wDsk*n; h=hDsk;break;
+        case (Vertical) :   w=wDsk; h=hDsk*n;break;
+    };
+    return QSize(w,h);
+}
+
+const KPager::LayoutTypes KPager::c_defLayout=KPager::Horizontal;
+
+#include "kpager.moc"