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List:       kde-commits
Subject:    kdebase/kdesktop/lock
From:       Chris Howells <howells () kde ! org>
Date:       2004-11-15 21:43:52
Message-ID: 20041115214352.BF5FD9A1B () office ! kde ! org
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CVS commit by howells: 

Fade to black before starting screensaver. It works, though it breaks "manipulate \
screen" screensavers. we can bitBlt() the original screen back after the fade, but \
then this means it goes back to full brightness for a second or two before starting \
the screensaver.

Also the fade animation isn't silky smooth.

I'm going to leave this in for a few days to get comments before reverting/fixing.

Any comments coolo? :)

CCBUG: 86683
~


  M +13 -2     lockprocess.cc   1.46
  M +2 -0      lockprocess.h   1.23


--- kdebase/kdesktop/lock/lockprocess.cc  #1.45:1.46
@@ -34,4 +34,6 @@
 #include <kpushbutton.h>
 #include <kstdguiitem.h>
+#include <kpixmapeffect.h>
+#include <kpixmap.h>
 
 #include <qframe.h>
@@ -733,4 +734,12 @@ bool LockProcess::startLock()
 bool LockProcess::startHack()
 {
+    mOriginal = QPixmap::grabWindow(winId());
+
+    for (double i = 0; i < 1.0; i = i + 0.08)
+    {    
+        KPixmap pixmap = mOriginal;
+        KPixmapEffect::fade(pixmap, i, Qt::black);
+        bitBlt(this, 0, 0, &pixmap);
+    }
     if (mSaverExec.isEmpty())
     {
@@ -773,4 +783,5 @@ bool LockProcess::startHack()
                         setpriority(PRIO_PROCESS, mHackProc.pid(), mPriority);
 #endif
+                        //bitBlt(this, 0, 0, &mOriginal);
                         return true;
                 }

--- kdebase/kdesktop/lock/lockprocess.h  #1.22:1.23
@@ -13,4 +13,5 @@
 
 #include <kprocess.h>
+#include <kpixmap.h>
 
 #include <qwidget.h>
@@ -125,4 +126,5 @@ private:
     int         mAutoLogoutTimeout;
     bool        mAutoLogout;
+    KPixmap     mOriginal;
 };
 


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