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-rw-r--r--ksmserver/shutdowndlg.cpp79
1 files changed, 50 insertions, 29 deletions
diff --git a/ksmserver/shutdowndlg.cpp b/ksmserver/shutdowndlg.cpp
index d16c36335..8a7693528 100644
--- a/ksmserver/shutdowndlg.cpp
+++ b/ksmserver/shutdowndlg.cpp
@@ -67,7 +67,7 @@ KSMShutdownFeedback * KSMShutdownFeedback::s_pSelf = 0L;
KSMShutdownFeedback::KSMShutdownFeedback()
: TQWidget( 0L, "feedbackwidget", WType_Popup ),
- m_currentY( 0 ),
+ m_currentY( 0 ),
m_grayOpacity( 0.0f ),
m_compensation( 0.0f ),
m_fadeBackwards( FALSE ),
@@ -129,30 +129,40 @@ void KSMShutdownFeedback::slotPaintEffect()
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
- setBackgroundMode( TQWidget::NoBackground );
+
+ // eliminate nasty flicker on first show
+ m_root.resize( width(), height() );
+ TQImage blendedImage = m_grayImage;
+ TQPainter p;
+ p.begin( &m_root );
+ blendedImage.setAlphaBuffer(false);
+ p.drawImage( 0, 0, blendedImage );
+ p.end();
+
+ setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
- m_root.resize( width(), height() ); // for the default logout
-
+ setBackgroundMode( TQWidget::NoBackground );
+
m_unfadedImage = m_grayImage.copy();
-
+
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
-
+
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = qRgba(0, 0, 0, 128);
r += 4;
}
-
+
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
-
+
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
-
-
+
+
if ( m_fadeBackwards == FALSE )
{
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
@@ -165,21 +175,21 @@ void KSMShutdownFeedback::slotPaintEffect()
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
-
+
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
-
+
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
-
+
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
-
+
if( m_fadeBackwards == FALSE )
{
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
@@ -201,7 +211,7 @@ void KSMShutdownFeedback::slotPaintEffect()
m_rowsDone = y2;
}
}
-
+
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
@@ -223,7 +233,7 @@ void KSMShutdownFeedback::slotPaintEffect()
}
bitBlt( this, 0, start_y1, &img );
}
-
+
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
else {
@@ -233,24 +243,25 @@ void KSMShutdownFeedback::slotPaintEffect()
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
+
setBackgroundMode( TQWidget::NoBackground );
setGeometry( TQApplication::desktop()->geometry() );
m_root.resize( width(), height() ); // for the default logout
-
+
m_unfadedImage = m_grayImage.copy();
-
+
register uchar * r = m_grayImage.bits();
register uchar * g = m_grayImage.bits() + 1;
register uchar * b = m_grayImage.bits() + 2;
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
-
+
while ( r != end ) {
*r = *g = *b = (uchar) ( ( (*r)*11 + ((*g)<<4) + (*b)*5 ) * doFancyLogoutAdditionalDarkness / 32.0f );
r += 4;
g += 4;
b += 4;
}
-
+
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
@@ -349,7 +360,7 @@ void KSMShutdownFeedback::slotPaintEffect()
//bitBlt( this, 0, start_y1, &pm );
bitBlt( this, 0, start_y1, &img );
}
-
+
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
@@ -365,20 +376,30 @@ void KSMShutdownFeedback::slotPaintEffect()
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
- setBackgroundMode( TQWidget::NoBackground );
+
+ // eliminate nasty flicker on first show
+ m_root.resize( width(), height() );
+ TQImage blendedImage = m_grayImage;
+ TQPainter p;
+ p.begin( &m_root );
+ blendedImage.setAlphaBuffer(false);
+ p.drawImage( 0, 0, blendedImage );
+ p.end();
+
+ setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
- m_root.resize( width(), height() ); // for the default logout
-
+ setBackgroundMode( TQWidget::NoBackground );
+
m_unfadedImage = m_grayImage.copy();
-
+
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
-
+
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = qRgba(0, 0, 0, 107);
r += 4;
}
-
+
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
@@ -437,7 +458,7 @@ void KSMShutdownFeedback::slotPaintEffect()
m_rowsDone = y2;
}
}
-
+
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
@@ -458,7 +479,7 @@ void KSMShutdownFeedback::slotPaintEffect()
}
bitBlt( this, 0, start_y1, &img );
}
-
+
TQTimer::singleShot( 1, this, TQT_SLOT( slotPaintEffect() ) );
}
else {