Fixed logout UI glitch

Improved appearance of KDM O2 Enterprise theme


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1179564 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kicker/kicker/ui/k_mnu.cpp

@@ -33,6 +33,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <tqstyle.h>
 #include <tqtimer.h>
 #include <tqtooltip.h>
+#include <tqeventloop.h>
 
 #include <dcopclient.h>
 #include <kapplication.h>
@@ -115,6 +116,39 @@ void PanelKMenu::slotServiceStartedByStorageId(TQString starter,
     }
 }
 
+void PanelKMenu::hideMenu()
+{
+    hide();
+
+    // Try to redraw the area under the menu
+    // Qt makes this surprisingly difficult to do in a timely fashion!
+    while (isShown() == true)
+        kapp->eventLoop()->processEvents(1000);
+    TQTimer *windowtimer = new TQTimer( this );
+    connect( windowtimer, SIGNAL(timeout()), this, SLOT(windowClearTimeout()) );
+    windowTimerTimedOut = false;
+    windowtimer->start( 0, TRUE );	// Wait for all window system events to be processed
+    while (windowTimerTimedOut == false)
+        kapp->eventLoop()->processEvents(TQEventLoop::ExcludeUserInput, 1000);
+
+    // HACK
+    // The K Menu takes an unknown amount of time to disappear, and redrawing
+    // the underlying window(s) also takes time.  This should allow both of those
+    // events to occur (unless you're on a 200MHz Pentium 1 or similar ;-))
+    // thereby removing a bad shutdown screen artifact while still providing
+    // a somewhat snappy user interface.
+    TQTimer *delaytimer = new TQTimer( this );
+    connect( delaytimer, SIGNAL(timeout()), this, SLOT(windowClearTimeout()) );
+    windowTimerTimedOut = false;
+    delaytimer->start( 100, TRUE );	// Wait for 100 milliseconds
+    while (windowTimerTimedOut == false)
+        kapp->eventLoop()->processEvents(TQEventLoop::ExcludeUserInput, 1000);
+}
+
+void PanelKMenu::windowClearTimeout()
+{
+    windowTimerTimedOut = true;
+}
 
 bool PanelKMenu::loadSidePixmap()
 {

kicker/kicker/ui/k_mnu.h

@@ -50,6 +50,7 @@ class PanelKMenu : public PanelServiceMenu, public DCOPObject
 
 k_dcop:
     void slotServiceStartedByStorageId(TQString starter, TQString desktopPath);
+    void hideMenu();
 
 public:
     PanelKMenu();
@@ -86,6 +87,7 @@ protected slots:
     virtual void configChanged();
     void updateRecent();
     void repairDisplay();
+    void windowClearTimeout();
 
 protected:
     TQRect sideImageRect();
@@ -117,6 +119,7 @@ private:
     static const int            searchLineID;
     TQTimer                    *displayRepairTimer;
     bool                        displayRepaired;
+    bool                        windowTimerTimedOut;
 };
 
 #endif

ksmserver/shutdowndlg.cpp

@@ -1,6 +1,7 @@
 /*****************************************************************
 ksmserver - the KDE session management server
 
+Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
 Copyright (C) 2000 Matthias Ettrich <ettrich@kde.org>
 ******************************************************************/
 
@@ -27,6 +28,7 @@ Copyright (C) 2000 Matthias Ettrich <ettrich@kde.org>
 #include <tqpainter.h>
 #include <tqfontmetrics.h>
 #include <tqregexp.h>
+#include <tqeventloop.h>
 
 #include <klocale.h>
 #include <kconfig.h>
@@ -72,10 +74,12 @@ KSMShutdownFeedback::KSMShutdownFeedback()
    m_unfadedImage(),
    m_grayImage(),
    m_fadeTime(),
-   m_pmio()
+   m_pmio(),
+   m_greyImageCreated( FALSE )
 
 {
-    m_grayImage = TQImage::TQImage();
+    DCOPRef("kicker", "KMenu").call("hideMenu");	// Make sure the K Menu is completely removed from the screen before taking a snapshot...
+    m_grayImage = TQPixmap::grabWindow(qt_xrootwin(), 0, 0, TQApplication::desktop()->width(), TQApplication::desktop()->height()).convertToImage();
     m_unfadedImage = TQImage::TQImage();
     resize(0, 0);
     setShown(true);
@@ -110,13 +114,13 @@ void KSMShutdownFeedback::slotPaintEffect()
 	// if slotPaintEffect() is called first time, we have to initialize the gray image
 	// we also could do that in the constructor, but then the displaying of the
 	// logout-UI would be too much delayed...
-	if ( m_grayImage.isNull() )
+	if ( m_greyImageCreated == false )
 	{
+		m_greyImageCreated = true;
 		setBackgroundMode( TQWidget::NoBackground );
 		setGeometry( TQApplication::desktop()->geometry() );
 		m_root.resize( width(), height() ); // for the default logout
 
-		m_grayImage = TQPixmap::grabWindow(qt_xrootwin(), 0, 0, TQApplication::desktop()->width(), TQApplication::desktop()->height()).convertToImage();
 		m_unfadedImage = m_grayImage.copy();
 		register uchar * r = m_grayImage.bits();
 		register uchar * g = m_grayImage.bits() + 1;
@@ -266,7 +270,7 @@ KSMShutdownDlg::KSMShutdownDlg( TQWidget* parent,
 
 {
     TQVBoxLayout* vbox = new TQVBoxLayout( this );
-	
+
 
     TQFrame* frame = new TQFrame( this );
     frame->setFrameStyle( TQFrame::StyledPanel | TQFrame::Raised );

ksmserver/shutdowndlg.h

@@ -66,6 +66,7 @@ private:
     TQTime  m_fadeTime;
     int    m_rowsDone;
     KPixmapIO m_pmio;
+    bool m_greyImageCreated;
 
 };