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-rw-r--r--kdesktop/lock/lockprocess.cc38
1 files changed, 21 insertions, 17 deletions
diff --git a/kdesktop/lock/lockprocess.cc b/kdesktop/lock/lockprocess.cc
index 1de0b6753..3dacc7ff3 100644
--- a/kdesktop/lock/lockprocess.cc
+++ b/kdesktop/lock/lockprocess.cc
@@ -359,6 +359,7 @@ void LockProcess::init(bool child, bool useBlankOnly)
XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(), tqt_xscreen()), &rootAttr);
mRootWidth = rootAttr.width;
mRootHeight = rootAttr.height;
+ generateBackingImages();
// Connect all signals
connect( mForceContinualLockDisplayTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(displayLockDialogIfNeeded()) );
@@ -988,6 +989,7 @@ void LockProcess::desktopResized()
}
mRootWidth = rootAttr.width;
mRootHeight = rootAttr.height;
+ generateBackingImages();
mBusy = true;
mHackDelayStartupTimer->stop();
@@ -1281,24 +1283,27 @@ void LockProcess::ungrabInput()
//---------------------------------------------------------------------------
//
+// Generate requisite backing images for ARGB mode
+//
+void LockProcess::generateBackingImages()
+{
+ if (argb_visual) {
+ mArgbTransparentBackgroundPixmap.resize(mRootWidth, mRootHeight);
+ TQPainter p;
+ p.begin( &mArgbTransparentBackgroundPixmap );
+ p.fillRect( 0, 0, mArgbTransparentBackgroundPixmap.width(), mArgbTransparentBackgroundPixmap.height(), TQBrush(tqRgba(0, 0, 0, 0)) );
+ p.end();
+ }
+}
+
+//---------------------------------------------------------------------------
+//
// Set a fully transparent ARGB background image.
//
void LockProcess::setTransparentBackgroundARGB()
{
// eliminate nasty flicker on first show
- TQImage m_grayImage = TQImage( TQApplication::desktop()->width(), TQApplication::desktop()->height(), 32 );
- m_grayImage = m_grayImage.convertDepth(32);
- m_grayImage.setAlphaBuffer(false);
- m_grayImage.fill(0); // Set the alpha buffer to 0 (fully transparent)
- m_grayImage.setAlphaBuffer(true);
- TQPixmap m_root;
- m_root.resize(mRootWidth, mRootHeight);
- TQPainter p;
- p.begin( &m_root );
- m_grayImage.setAlphaBuffer(false);
- p.drawImage( 0, 0, m_grayImage );
- p.end();
- setBackgroundPixmap( m_root );
+ setBackgroundPixmap( mArgbTransparentBackgroundPixmap );
}
void LockProcess::saverReadyIfNeeded()
@@ -1635,6 +1640,7 @@ bool LockProcess::startHack()
mSuspended = false;
}
+ XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqblankCursor).handle(), CurrentTime);
if (mHackProc.start() == true)
{
#ifdef HAVE_SETPRIORITY
@@ -1965,8 +1971,7 @@ int LockProcess::execDialog( TQDialog *dlg )
if (mDialogs.isEmpty())
{
suspend();
- XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS,
- TQCursor(tqarrowCursor).handle(), CurrentTime);
+ XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqarrowCursor).handle(), CurrentTime);
}
mDialogs.prepend( dlg );
fakeFocusIn( dlg->winId());
@@ -1996,8 +2001,7 @@ int LockProcess::execDialog( TQDialog *dlg )
else {
cursorHandle = TQCursor(tqbusyCursor).handle();
}
- XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS,
- cursorHandle, CurrentTime);
+ XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, cursorHandle, CurrentTime);
if (trinity_desktop_lock_use_system_modal_dialogs) {
// Slight delay before screensaver resume to allow the dialog window to fully disappear
if (hackResumeTimer == NULL) {