kwin/notifications.cpp
Luboš Luňák 503bf3e767 Add a check that measures time needed for one compositing pass.
If three successive ones take more than 1 sec, suspend compositing,
as that very likely means the system is totally incapable of decent
compositing. Perhaps may need little tweaking.


svn path=/trunk/KDE/kdebase/workspace/; revision=861906
2008-09-17 13:42:12 +00:00

146 lines
4.3 KiB
C++

/********************************************************************
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>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "notifications.h"
#include <knotification.h>
#include "client.h"
namespace KWin
{
static bool forgetIt = false;
QList< 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;
KNotification::NotificationFlags flags = KNotification::CloseOnTimeout;
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;
case CompositingSlow:
event = "compositingslow";
flags = KNotification::Persistent;
break;
default:
if ((e > DesktopChange) && (e <= DesktopChange+20))
{
event = QString("desktop%1").arg(e-DesktopChange);
}
break;
}
if ( event.isNull() )
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;
data.flags = flags;
pending_events.append( data );
return true;
}
return KNotification::event( event, message, QPixmap(), NULL /* TODO c ? c->window() : 0*/, flags );
}
void Notify::sendPendingEvents()
{
while( !pending_events.isEmpty())
{
EventData data = pending_events.first();
pending_events.pop_front();
if( !forgetIt )
KNotification::event( data.event, data.message, QPixmap(), NULL /* TODO data.window*/, data.flags );
}
}
} // namespace