Basic Idle handler implementation

An idle handler will ultimately be a zero time timeout with
prioritisation layered on top of that.

Change-Id: I3f0802d5001172fc7b8409274bc5a3632e5dad34

3 files changed, 16 insertions, 16 deletions

diff --git a/vcl/source/window/paint.cxx b/vcl/source/window/paint.cxx
index ce10abae4ae3..7ec329cc1388 100644
--- a/vcl/source/window/paint.cxx
+++ b/vcl/source/window/paint.cxx
@@ -283,8 +283,8 @@ void Window::ImplCallOverlapPaint()
 
 void Window::ImplPostPaint()
 {
-    if ( !ImplDoTiledRendering() && !mpWindowImpl->mpFrameData->maPaintTimer.IsActive() )
-        mpWindowImpl->mpFrameData->maPaintTimer.Start();
+    if ( !ImplDoTiledRendering() && !mpWindowImpl->mpFrameData->maPaintIdle.IsActive() )
+        mpWindowImpl->mpFrameData->maPaintIdle.Start();
 }
 
 IMPL_LINK_NOARG(Window, ImplHandlePaintHdl)
@@ -292,14 +292,14 @@ IMPL_LINK_NOARG(Window, ImplHandlePaintHdl)
     // save paint events until layout is done
     if (!ImplDoTiledRendering() && IsSystemWindow() && static_cast<const SystemWindow*>(this)->hasPendingLayout())
     {
-        mpWindowImpl->mpFrameData->maPaintTimer.Start();
+        mpWindowImpl->mpFrameData->maPaintIdle.Start();
         return 0;
     }
 
     // save paint events until resizing is done
     if( !ImplDoTiledRendering() &&
-        mpWindowImpl->mbFrame && mpWindowImpl->mpFrameData->maResizeTimer.IsActive() )
-        mpWindowImpl->mpFrameData->maPaintTimer.Start();
+        mpWindowImpl->mbFrame && mpWindowImpl->mpFrameData->maResizeIdle.IsActive() )
+        mpWindowImpl->mpFrameData->maPaintIdle.Start();
     else if ( mpWindowImpl->mbReallyVisible )
         ImplCallOverlapPaint();
     return 0;
@@ -314,10 +314,10 @@ IMPL_LINK_NOARG(Window, ImplHandleResizeTimerHdl)
         {
             ImplHandlePaintHdl(NULL);
         }
-        else if( mpWindowImpl->mpFrameData->maPaintTimer.IsActive() )
+        else if( mpWindowImpl->mpFrameData->maPaintIdle.IsActive() )
         {
-            mpWindowImpl->mpFrameData->maPaintTimer.Stop();
-            mpWindowImpl->mpFrameData->maPaintTimer.GetTimeoutHdl().Call( NULL );
+            mpWindowImpl->mpFrameData->maPaintIdle.Stop();
+            mpWindowImpl->mpFrameData->maPaintIdle.GetIdleHdl().Call( NULL );
         }
     }
 
diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index 606a4f551ead..b4468848ef20 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -1029,11 +1029,11 @@ void Window::ImplInit( vcl::Window* pParent, WinBits nStyle, SystemParentData* p
         mpWindowImpl->mpFrameData->mbSysObjFocus      = false;
         if (!ImplDoTiledRendering())
         {
-            mpWindowImpl->mpFrameData->maPaintTimer.SetTimeout( 30 );
-            mpWindowImpl->mpFrameData->maPaintTimer.SetTimeoutHdl( LINK( this, Window, ImplHandlePaintHdl ) );
+            mpWindowImpl->mpFrameData->maPaintIdle.SetPriority( VCL_IDLE_PRIORITY_REPAINT );
+            mpWindowImpl->mpFrameData->maPaintIdle.SetIdleHdl( LINK( this, Window, ImplHandlePaintHdl ) );
         }
-        mpWindowImpl->mpFrameData->maResizeTimer.SetTimeout( 50 );
-        mpWindowImpl->mpFrameData->maResizeTimer.SetTimeoutHdl( LINK( this, Window, ImplHandleResizeTimerHdl ) );
+        mpWindowImpl->mpFrameData->maResizeIdle.SetPriority( VCL_IDLE_PRIORITY_RESIZE );
+        mpWindowImpl->mpFrameData->maResizeIdle.SetIdleHdl( LINK( this, Window, ImplHandleResizeTimerHdl ) );
         mpWindowImpl->mpFrameData->mbInternalDragGestureRecognizer = false;
 
         if ( pRealParent && IsTopWindow() )
@@ -2476,11 +2476,11 @@ Size Window::GetSizePixel() const
     }
 
     // #i43257# trigger pending resize handler to assure correct window sizes
-    if( mpWindowImpl->mpFrameData->maResizeTimer.IsActive() )
+    if( mpWindowImpl->mpFrameData->maResizeIdle.IsActive() )
     {
         ImplDelData aDogtag( this );
-        mpWindowImpl->mpFrameData->maResizeTimer.Stop();
-        mpWindowImpl->mpFrameData->maResizeTimer.GetTimeoutHdl().Call( NULL );
+        mpWindowImpl->mpFrameData->maResizeIdle.Stop();
+        mpWindowImpl->mpFrameData->maResizeIdle.GetIdleHdl().Call( NULL );
         if( aDogtag.IsDead() )
             return Size(0,0);
     }
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index 62974ca3621e..ee864f4de982 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -1596,7 +1596,7 @@ void ImplHandleResize( vcl::Window* pWindow, long nNewWidth, long nNewHeight )
                     bStartTimer = false;
 
                 if( bStartTimer )
-                    pWindow->ImplGetWindowImpl()->mpFrameData->maResizeTimer.Start();
+                    pWindow->ImplGetWindowImpl()->mpFrameData->maResizeIdle.Start();
                 else
                     pWindow->ImplCallResize(); // otherwise menus cannot be positioned
             }