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tdebase/kwin/notifications.cpp

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "notifications.h"
#include <knotifyclient.h>
#include "client.h"
namespace KWinInternal
{
QString Notify::eventToName( Event e )
{
QString event;
switch ( e )
{
case Activate:
event = "activate";
break;
case Close:
event = "close";
break;
case Minimize:
event = "minimize";
break;
case UnMinimize:
event = "unminimize";
break;
case Maximize:
event = "maximize";
break;
case UnMaximize:
event = "unmaximize";
break;
case OnAllDesktops:
event = "on_all_desktops";
break;
case NotOnAllDesktops:
event = "not_on_all_desktops";
break;
case New:
event = "new";
break;
case Delete:
event = "delete";
break;
case TransNew:
event = "transnew";
break;
case TransDelete:
event = "transdelete";
break;
case ShadeUp:
event = "shadeup";
break;
case ShadeDown:
event = "shadedown";
break;
case MoveStart:
event = "movestart";
break;
case MoveEnd:
event = "moveend";
break;
case ResizeStart:
event = "resizestart";
break;
case ResizeEnd:
event = "resizeend";
break;
case DemandAttentionCurrent:
event = "demandsattentioncurrent";
break;
case DemandAttentionOther:
event = "demandsattentionother";
break;
default:
if ((e > DesktopChange) && (e <= DesktopChange+20))
{
event = QString("desktop%1").arg(e-DesktopChange);
}
break;
}
return event;
}
static bool forgetIt = FALSE;
QValueList< Notify::EventData > Notify::pending_events;
bool Notify::raise( Event e, const QString& message, Client* c )
{
if ( forgetIt )
return false; // no connection was possible, don't try each time
QString event = eventToName( e );
if ( !event )
return false;
// There may be a deadlock if KNotify event is sent while KWin has X grabbed.
// If KNotify is not running, KLauncher may do X requests (startup notification, whatever)
// that will block it. And KNotifyClient waits for the launch to succeed, which means
// KLauncher waits for X and KWin waits for KLauncher. So postpone events in such case.
if( grabbedXServer())
{
EventData data;
data.event = event;
data.message = message;
data.window = c ? c->window() : 0;
pending_events.append( data );
return true;
}
forgetIt= !KNotifyClient::event( c ? c->window() : 0, event, message );
return !forgetIt;
}
void Notify::sendPendingEvents()
{
while( !pending_events.isEmpty())
{
EventData data = pending_events.first();
pending_events.pop_front();
if( !forgetIt )
forgetIt= !KNotifyClient::event( data.window, data.event, data.message );
}
}
bool Notify::makeDemandAttention( Event e )
{
QString event = eventToName( e );
if( !event )
return false;
int rep = KNotifyClient::getPresentation( event );
if( rep == -1 )
rep = KNotifyClient::getDefaultPresentation( event );
return rep != -1 && ( rep & KNotifyClient::Taskbar );
}
} // namespace