51168e97a4
the logout by using new information provided by KSMServer; Allow effects to read and detect root window property notify events. svn path=/trunk/KDE/kdebase/workspace/; revision=1083335
403 lines
14 KiB
C++
403 lines
14 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
|
|
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
|
|
Copyright (C) 2009, 2010 Lucas Murray <lmurray@undefinedfire.com>
|
|
|
|
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 "logout.h"
|
|
|
|
#include "kwinglutils.h"
|
|
|
|
#include <math.h>
|
|
#include <kconfiggroup.h>
|
|
#include <kdebug.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
KWIN_EFFECT( logout, LogoutEffect )
|
|
|
|
LogoutEffect::LogoutEffect()
|
|
: progress( 0.0 )
|
|
, displayEffect( false )
|
|
, logoutWindow( NULL )
|
|
, logoutWindowClosed( true )
|
|
, logoutWindowPassed( false )
|
|
, canDoPersistent( false )
|
|
, ignoredWindows()
|
|
{
|
|
// Persistent effect
|
|
logoutAtom = XInternAtom( display(), "_KDE_LOGGING_OUT", False );
|
|
effects->registerPropertyType( logoutAtom, true );
|
|
|
|
// Block KSMServer's effect
|
|
char net_wm_cm_name[ 100 ];
|
|
sprintf( net_wm_cm_name, "_NET_WM_CM_S%d", DefaultScreen( display()));
|
|
Atom net_wm_cm = XInternAtom( display(), net_wm_cm_name, False );
|
|
Window sel = XGetSelectionOwner( display(), net_wm_cm );
|
|
Atom hack = XInternAtom( display(), "_KWIN_LOGOUT_EFFECT", False );
|
|
XChangeProperty( display(), sel, hack, hack, 8, PropModeReplace, (unsigned char*)&hack, 1 );
|
|
// the atom is not removed when effect is destroyed, this is temporary anyway
|
|
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
blurTexture = NULL;
|
|
blurTarget = NULL;
|
|
#endif
|
|
reconfigure( ReconfigureAll );
|
|
}
|
|
|
|
LogoutEffect::~LogoutEffect()
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
delete blurTexture;
|
|
delete blurTarget;
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::reconfigure( ReconfigureFlags )
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
frameDelay = 0;
|
|
KConfigGroup conf = effects->effectConfig( "Logout" );
|
|
useBlur = conf.readEntry( "UseBlur", true );
|
|
delete blurTexture;
|
|
blurTexture = NULL;
|
|
delete blurTarget;
|
|
blurTarget = NULL;
|
|
blurSupported = false;
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::prePaintScreen( ScreenPrePaintData& data, int time )
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( !displayEffect && progress == 0.0 )
|
|
{
|
|
if( blurTexture )
|
|
{
|
|
delete blurTexture;
|
|
blurTexture = NULL;
|
|
delete blurTarget;
|
|
blurTarget = NULL;
|
|
blurSupported = false;
|
|
}
|
|
}
|
|
else if( !blurTexture )
|
|
{
|
|
blurSupported = false;
|
|
delete blurTarget; // catch as we just tested the texture ;-P
|
|
if( effects->compositingType() == OpenGLCompositing && GLTexture::NPOTTextureSupported() && useBlur )
|
|
{ // TODO: It seems that it is not possible to create a GLRenderTarget that has
|
|
// a different size than the display right now. Most likely a KWin core bug.
|
|
// Create texture and render target
|
|
blurTexture = new GLTexture( displayWidth(), displayHeight() );
|
|
blurTexture->setFilter( GL_LINEAR_MIPMAP_LINEAR );
|
|
blurTexture->setWrapMode( GL_CLAMP_TO_EDGE );
|
|
|
|
blurTarget = new GLRenderTarget( blurTexture );
|
|
if( blurTarget->valid() )
|
|
blurSupported = true;
|
|
|
|
// As creating the render target takes time it can cause the first two frames of the
|
|
// blur animation to be jerky. For this reason we only start the animation after the
|
|
// third frame.
|
|
frameDelay = 2;
|
|
}
|
|
}
|
|
|
|
if( frameDelay )
|
|
--frameDelay;
|
|
else
|
|
#endif
|
|
{
|
|
if( displayEffect )
|
|
progress = qMin( 1.0, progress + time / animationTime( 2000.0 ));
|
|
else if( progress > 0.0 )
|
|
progress = qMax( 0.0, progress - time / animationTime( 500.0 ));
|
|
}
|
|
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( blurSupported && progress > 0.0 )
|
|
{
|
|
data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
|
|
}
|
|
#endif
|
|
|
|
effects->prePaintScreen( data, time );
|
|
}
|
|
|
|
void LogoutEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
|
|
{
|
|
if( progress > 0.0 )
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == KWin::OpenGLCompositing )
|
|
{ // In OpenGL mode we add vignetting and, if supported, a slight blur
|
|
if( blurSupported )
|
|
{ // When using blur we render everything to an FBO and as such don't do the vignetting
|
|
// until after we render the FBO to the screen.
|
|
if( w == logoutWindow )
|
|
{ // Window is rendered after the FBO
|
|
windowOpacity = data.opacity;
|
|
data.opacity = 0.0; // Cheat, we need the opacity for later but don't want to blur it
|
|
}
|
|
else
|
|
{
|
|
if( logoutWindowPassed || ignoredWindows.contains( w ))
|
|
{ // Window is rendered after the FBO
|
|
windows.append( w );
|
|
windowsOpacities[ w ] = data.opacity;
|
|
data.opacity = 0.0;
|
|
}
|
|
else // Window is added to the FBO
|
|
data.saturation *= ( 1.0 - progress * 0.2 );
|
|
}
|
|
}
|
|
else
|
|
{ // If we are not blurring then we are not rendering to an FBO
|
|
if( w == logoutWindow )
|
|
// This is the logout window don't alter it but render our vignetting now
|
|
renderVignetting();
|
|
else if( !logoutWindowPassed && !ignoredWindows.contains( w ))
|
|
// Window is in the background, desaturate
|
|
data.saturation *= ( 1.0 - progress * 0.2 );
|
|
// All other windows are unaltered
|
|
}
|
|
}
|
|
#endif
|
|
if( effects->compositingType() == KWin::XRenderCompositing )
|
|
{ // Since we can't do vignetting in XRender just do a stronger desaturation and darken
|
|
if( w != logoutWindow && !logoutWindowPassed && !ignoredWindows.contains( w ))
|
|
{
|
|
data.saturation *= ( 1.0 - progress * 0.8 );
|
|
data.brightness *= ( 1.0 - progress * 0.3 );
|
|
}
|
|
}
|
|
if( w == logoutWindow ||
|
|
ignoredWindows.contains( w )) // HACK: All windows past the first ignored one should not be
|
|
// blurred as it affects the stacking order.
|
|
// All following windows are on top of the logout window and should not be altered either
|
|
logoutWindowPassed = true;
|
|
}
|
|
effects->paintWindow( w, mask, region, data );
|
|
}
|
|
|
|
void LogoutEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( blurSupported && progress > 0.0 )
|
|
effects->pushRenderTarget( blurTarget );
|
|
#endif
|
|
effects->paintScreen( mask, region, data );
|
|
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == KWin::OpenGLCompositing && progress > 0.0 )
|
|
{
|
|
if( !blurSupported )
|
|
{
|
|
if( !logoutWindowPassed )
|
|
// The logout window has been deleted but we still want to fade out the vignetting, thus
|
|
// render it on the top of everything if still animating. We don't check if logoutWindow
|
|
// is set as it may still be even if it wasn't rendered.
|
|
renderVignetting();
|
|
}
|
|
else
|
|
{
|
|
GLRenderTarget* target = effects->popRenderTarget();
|
|
assert( target == blurTarget );
|
|
Q_UNUSED( target );
|
|
|
|
//--------------------------
|
|
// Render the screen effect
|
|
|
|
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT );
|
|
|
|
// Unmodified base image
|
|
blurTexture->bind();
|
|
glBegin( GL_QUADS );
|
|
glTexCoord2f( 0.0, 0.0 );
|
|
glVertex2f( 0.0, displayHeight() );
|
|
glTexCoord2f( 1.0, 0.0 );
|
|
glVertex2f( displayWidth(), displayHeight() );
|
|
glTexCoord2f( 1.0, 1.0 );
|
|
glVertex2f( displayWidth(), 0.0 );
|
|
glTexCoord2f( 0.0, 1.0 );
|
|
glVertex2f( 0.0, 0.0 );
|
|
glEnd();
|
|
|
|
// Blurred image
|
|
GLfloat bias[1];
|
|
glGetTexEnvfv( GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, bias );
|
|
glTexEnvf( GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, 1.75 );
|
|
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
glEnable( GL_BLEND );
|
|
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
|
glColor4f( 1.0f, 1.0f, 1.0f, progress * 0.4 );
|
|
glBegin( GL_QUADS );
|
|
glTexCoord2f( 0.0, 0.0 );
|
|
glVertex2f( 0.0, displayHeight() );
|
|
glTexCoord2f( 1.0, 0.0 );
|
|
glVertex2f( displayWidth(), displayHeight() );
|
|
glTexCoord2f( 1.0, 1.0 );
|
|
glVertex2f( displayWidth(), 0.0 );
|
|
glTexCoord2f( 0.0, 1.0 );
|
|
glVertex2f( 0.0, 0.0 );
|
|
glEnd();
|
|
glTexEnvf( GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, bias[0] );
|
|
blurTexture->unbind();
|
|
|
|
// Vignetting (Radial gradient with transparent middle and black edges)
|
|
renderVignetting();
|
|
|
|
glPopAttrib();
|
|
|
|
//--------------------------
|
|
|
|
// Render the logout window
|
|
if( logoutWindow )
|
|
{
|
|
int winMask = logoutWindow->hasAlpha() ? PAINT_WINDOW_TRANSLUCENT : PAINT_WINDOW_OPAQUE;
|
|
WindowPaintData winData( logoutWindow );
|
|
winData.opacity = windowOpacity;
|
|
effects->drawWindow( logoutWindow, winMask, region, winData );
|
|
}
|
|
|
|
// Render all windows on top of logout window
|
|
foreach( EffectWindow* w, windows )
|
|
{
|
|
int winMask = w->hasAlpha() ? PAINT_WINDOW_TRANSLUCENT : PAINT_WINDOW_OPAQUE;
|
|
WindowPaintData winData( w );
|
|
winData.opacity = windowsOpacities[ w ];
|
|
effects->drawWindow( w, winMask, region, winData );
|
|
}
|
|
|
|
windows.clear();
|
|
windowsOpacities.clear();
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void LogoutEffect::postPaintScreen()
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if(( progress != 0.0 && progress != 1.0 ) || frameDelay )
|
|
effects->addRepaintFull();
|
|
#else
|
|
if( progress != 0.0 && progress != 1.0 )
|
|
effects->addRepaintFull();
|
|
#endif
|
|
|
|
if( progress > 0.0 )
|
|
logoutWindowPassed = false;
|
|
effects->postPaintScreen();
|
|
}
|
|
|
|
void LogoutEffect::windowAdded( EffectWindow* w )
|
|
{
|
|
if( isLogoutDialog( w ))
|
|
{
|
|
logoutWindow = w;
|
|
logoutWindowClosed = false; // So we don't blur the window on close
|
|
progress = 0.0;
|
|
displayEffect = true;
|
|
ignoredWindows.clear();
|
|
effects->addRepaintFull();
|
|
}
|
|
else if( canDoPersistent )
|
|
// TODO: Add parent
|
|
ignoredWindows.append( w );
|
|
}
|
|
|
|
void LogoutEffect::windowClosed( EffectWindow* w )
|
|
{
|
|
if( w == logoutWindow )
|
|
{
|
|
logoutWindowClosed = true;
|
|
if( !canDoPersistent )
|
|
displayEffect = false; // Fade back to normal
|
|
effects->addRepaintFull();
|
|
}
|
|
}
|
|
|
|
void LogoutEffect::windowDeleted( EffectWindow* w )
|
|
{
|
|
ignoredWindows.removeAll( w );
|
|
if( w == logoutWindow )
|
|
logoutWindow = NULL;
|
|
}
|
|
|
|
bool LogoutEffect::isLogoutDialog( EffectWindow* w )
|
|
{ // TODO there should be probably a better way (window type?)
|
|
if( w->windowClass() == "ksmserver ksmserver"
|
|
&& ( w->windowRole() == "logoutdialog" || w->windowRole() == "logouteffect" ))
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
void LogoutEffect::renderVignetting()
|
|
{
|
|
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT );
|
|
glEnable( GL_BLEND ); // If not already (Such as when rendered straight to the screen)
|
|
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
|
for( int screen = 0; screen < effects->numScreens(); screen++ )
|
|
{
|
|
QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
|
|
glScissor( screenGeom.x(), displayHeight() - screenGeom.y() - screenGeom.height(),
|
|
screenGeom.width(), screenGeom.height() ); // GL coords are flipped
|
|
glEnable( GL_SCISSOR_TEST ); // Geom must be set before enable
|
|
const float cenX = screenGeom.x() + screenGeom.width() / 2;
|
|
const float cenY = screenGeom.y() + screenGeom.height() / 2;
|
|
const float a = M_PI / 16.0f; // Angle of increment
|
|
const float r = float(( screenGeom.width() > screenGeom.height() )
|
|
? screenGeom.width() : screenGeom.height() ) * 0.8f; // Radius
|
|
glBegin( GL_TRIANGLE_FAN );
|
|
glColor4f( 0.0f, 0.0f, 0.0f, 0.0f );
|
|
glVertex3f( cenX, cenY, 0.0f );
|
|
glColor4f( 0.0f, 0.0f, 0.0f, progress * 0.9f );
|
|
for( float i = 0.0f; i <= M_PI * 2.01f; i += a )
|
|
glVertex3f( cenX + r * cos( i ), cenY + r * sin( i ), 0.0f );
|
|
glEnd();
|
|
glDisable( GL_SCISSOR_TEST );
|
|
}
|
|
glPopAttrib();
|
|
}
|
|
#endif
|
|
|
|
void LogoutEffect::propertyNotify( EffectWindow* w, long a )
|
|
{
|
|
if( w || a != logoutAtom )
|
|
return; // Not our atom
|
|
|
|
QByteArray byteData = effects->readRootProperty( logoutAtom, logoutAtom, 8 );
|
|
if( byteData.length() < 1 )
|
|
{ // Property was deleted
|
|
displayEffect = false;
|
|
return;
|
|
}
|
|
|
|
// We are using a compatible KSMServer therefore only terminate the effect when the
|
|
// atom is deleted, not when the dialog is closed.
|
|
canDoPersistent = true;
|
|
}
|
|
|
|
} // namespace
|