renaissance1: #i107215# Slide sorter triggers page change after short delay.

5 files changed, 86 insertions, 26 deletions

diff --git a/sd/source/ui/slidesorter/controller/SlideSorterController.cxx b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
index 7c2f3f8c48ce..8253db66ee61 100644
--- a/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
+++ b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx
@@ -633,6 +633,11 @@ IMPL_LINK(SlideSorterController, WindowEventHandler, VclWindowEvent*, pEvent)
                     mrView.RequestRepaint();
                 break;
 
+            case VCLEVENT_WINDOW_HIDE:
+                if (pActiveWindow && pWindow == pActiveWindow->GetParent())
+                    mrView.SetPageUnderMouse(SharedPageDescriptor());
+                break;
+
             case VCLEVENT_WINDOW_GETFOCUS:
                 if (pActiveWindow)
                     if (pWindow == pActiveWindow.get())
diff --git a/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx b/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx
index 19a3c160ba46..ed6dea7e13d3 100644
--- a/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx
+++ b/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx
@@ -54,8 +54,11 @@ namespace sd { namespace slidesorter { namespace controller {
 CurrentSlideManager::CurrentSlideManager (SlideSorter& rSlideSorter)
     : mrSlideSorter(rSlideSorter),
       mnCurrentSlideIndex(-1),
-      mpCurrentSlide()
+      mpCurrentSlide(),
+      maSwitchPageDelayTimer()
 {
+    maSwitchPageDelayTimer.SetTimeout(100);
+    maSwitchPageDelayTimer.SetTimeoutHdl(LINK(this,CurrentSlideManager,SwitchPageCallback));
 }
 
 
@@ -163,21 +166,23 @@ void CurrentSlideManager::SwitchCurrentSlide (
         ViewShell* pViewShell = mrSlideSorter.GetViewShell();
         if (pViewShell != NULL && pViewShell->IsMainViewShell())
         {
+            // The slide sorter is the main view.
             FrameView* pFrameView = pViewShell->GetFrameView();
             if (pFrameView != NULL)
                 pFrameView->SetSelectedPage(sal::static_int_cast<USHORT>(mnCurrentSlideIndex));
             mrSlideSorter.GetController().GetPageSelector().SetCoreSelection();
         }
-        else
-        {
-            // Set current page.  At the moment we have to do this in two
-            // different ways.  The UNO way is the preferable one but, alas,
-            // it does not work always correctly (after some kinds of model
-            // changes).  Therefore, we call DrawViewShell::SwitchPage(),
-            // too.
-            SetCurrentSlideAtViewShellBase(rpDescriptor);
-        }
-        SetCurrentSlideAtXController(rpDescriptor);
+
+        // We do not tell the XController/ViewShellBase about the new
+        // slide right away.  This is done asynchronously after a short
+        // delay to allow for more slide switches in the slide sorter.
+        // This goes under the assumption that slide switching inside
+        // the slide sorter is fast (no expensive redraw of the new page
+        // (unless the preview of the new slide is not yet preset)) and
+        // that slide switching in the edit view is slow (all shapes of
+        // the new slide have to be repainted.)
+        maSwitchPageDelayTimer.Start();
+
         if (bUpdateSelection)
         {
             mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
@@ -280,6 +285,27 @@ void CurrentSlideManager::HandleModelChange (void)
 
 
 
+IMPL_LINK(CurrentSlideManager, SwitchPageCallback, void*, EMPTYARG)
+{
+    if (mpCurrentSlide)
+    {
+        // Set current page.  At the moment we have to do this in two
+        // different ways.  The UNO way is the preferable one but, alas,
+        // it does not work always correctly (after some kinds of model
+        // changes).  Therefore, we call DrawViewShell::SwitchPage(),
+        // too.
+        ViewShell* pViewShell = mrSlideSorter.GetViewShell();
+        if (pViewShell==NULL || ! pViewShell->IsMainViewShell())
+            SetCurrentSlideAtViewShellBase(mpCurrentSlide);
+        SetCurrentSlideAtXController(mpCurrentSlide);
+    }
+
+    return 1;
+}
+
+
+
+
 SdPage* GetCurrentSdPage (SlideSorter& rSlideSorter)
 {
     SharedPageDescriptor pDescriptor (
diff --git a/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx b/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx
index 85643bdd95ef..50cc574801e4 100644
--- a/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx
+++ b/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx
@@ -96,17 +96,15 @@ void ScrollBarManager::LateInitialization (void)
 void ScrollBarManager::Connect (void)
 {
     if (mpVerticalScrollBar != NULL)
+    {
         mpVerticalScrollBar->SetScrollHdl (
-            LINK(
-                this,
-                ScrollBarManager,
-                VerticalScrollBarHandler));
+            LINK(this, ScrollBarManager, VerticalScrollBarHandler));
+    }
     if (mpHorizontalScrollBar != NULL)
-        mpHorizontalScrollBar->SetScrollHdl (
-            LINK(
-                this,
-                ScrollBarManager,
-                HorizontalScrollBarHandler));
+    {
+        mpHorizontalScrollBar->SetScrollHdl(
+            LINK(this, ScrollBarManager, HorizontalScrollBarHandler));
+    }
 }
 
 
@@ -115,9 +113,13 @@ void ScrollBarManager::Connect (void)
 void ScrollBarManager::Disconnect (void)
 {
     if (mpVerticalScrollBar != NULL)
+    {
         mpVerticalScrollBar->SetScrollHdl (Link());
+    }
     if (mpHorizontalScrollBar != NULL)
+    {
         mpHorizontalScrollBar->SetScrollHdl (Link());
+    }
 }
 
 
@@ -324,7 +326,7 @@ IMPL_LINK(ScrollBarManager, VerticalScrollBarHandler, ScrollBar*, pScrollBar)
         double nRelativePosition = double(pScrollBar->GetThumbPos())
             / double(pScrollBar->GetRange().Len());
         mrSlideSorter.GetView().InvalidatePageObjectVisibilities();
-        mrSlideSorter.GetContentWindow()->SetVisibleXY (-1, nRelativePosition);
+        mrSlideSorter.GetContentWindow()->SetVisibleXY(-1, nRelativePosition);
         mrSlideSorter.GetController().GetVisibleAreaManager().DeactivateCurrentSlideTracking();
     }
     return TRUE;
@@ -343,7 +345,7 @@ IMPL_LINK(ScrollBarManager, HorizontalScrollBarHandler, ScrollBar*, pScrollBar)
         double nRelativePosition = double(pScrollBar->GetThumbPos())
             / double(pScrollBar->GetRange().Len());
         mrSlideSorter.GetView().InvalidatePageObjectVisibilities();
-        mrSlideSorter.GetContentWindow()->SetVisibleXY (nRelativePosition, -1);
+        mrSlideSorter.GetContentWindow()->SetVisibleXY(nRelativePosition, -1);
         mrSlideSorter.GetController().GetVisibleAreaManager().DeactivateCurrentSlideTracking();
     }
     return TRUE;
@@ -502,7 +504,7 @@ void ScrollBarManager::SetTopLeft (const Point aNewTopLeft)
         mnHorizontalPosition = aNewTopLeft.X() / double(mpHorizontalScrollBar->GetRange().Len());
     }
 
-    mrSlideSorter.GetContentWindow()->SetVisibleXY (mnHorizontalPosition, mnVerticalPosition);
+    mrSlideSorter.GetContentWindow()->SetVisibleXY(mnHorizontalPosition, mnVerticalPosition);
     mrSlideSorter.GetView().InvalidatePageObjectVisibilities();
 }
 
diff --git a/sd/source/ui/slidesorter/inc/controller/SlsCurrentSlideManager.hxx b/sd/source/ui/slidesorter/inc/controller/SlsCurrentSlideManager.hxx
index 258570509c52..c479fe833869 100644
--- a/sd/source/ui/slidesorter/inc/controller/SlsCurrentSlideManager.hxx
+++ b/sd/source/ui/slidesorter/inc/controller/SlsCurrentSlideManager.hxx
@@ -29,6 +29,8 @@
 #define SD_SLIDESORTER_CURRENT_SLIDE_MANAGER_HXX
 
 #include "model/SlsSharedPageDescriptor.hxx"
+#include <vcl/timer.hxx>
+#include <tools/link.hxx>
 #include <com/sun/star/drawing/XDrawPage.hpp>
 
 class SdPage;
@@ -43,6 +45,10 @@ namespace sd { namespace slidesorter { namespace controller {
 /** Manage the current slide.  This includes setting the according flags at
     the PageDescriptor objects and setting the current slide at the main
     view shell.
+
+    Switching pages is triggered only after a little delay.  This allows
+    fast travelling through a larger set of slides without having to wait
+    for the edit view to update its content after every slide change.
 */
 class CurrentSlideManager
 {
@@ -93,6 +99,10 @@ private:
     SlideSorter& mrSlideSorter;
     sal_Int32 mnCurrentSlideIndex;
     model::SharedPageDescriptor mpCurrentSlide;
+    /** Timer to control the delay after which to ask
+        XController/ViewShellBase to switch to another slide.
+    */
+    Timer maSwitchPageDelayTimer;
 
     bool IsCurrentSlideIsValid (void);
     void SetCurrentSlideAtViewShellBase (const model::SharedPageDescriptor& rpSlide);
@@ -107,6 +117,8 @@ private:
         method connects to the new current slide.
     */
     void AcquireCurrentSlide (const sal_Int32 nSlideIndex);
+
+    DECL_LINK(SwitchPageCallback,void*);
 };
 
 
diff --git a/sd/source/ui/slidesorter/view/SlideSorterView.cxx b/sd/source/ui/slidesorter/view/SlideSorterView.cxx
index 1b33625daefe..1e3b35a685cc 100644
--- a/sd/source/ui/slidesorter/view/SlideSorterView.cxx
+++ b/sd/source/ui/slidesorter/view/SlideSorterView.cxx
@@ -65,6 +65,7 @@
 #include <svx/xlndsit.hxx>
 #include <svx/xlnclit.hxx>
 #include <vcl/svapp.hxx>
+#include <vcl/scrbar.hxx>
 #include <tools/poly.hxx>
 #include <vcl/lineinfo.hxx>
 #include <algorithm>
@@ -909,19 +910,33 @@ void SlideSorterView::Notify (SfxBroadcaster& rBroadcaster, const SfxHint& rHint
 
 void SlideSorterView::UpdatePageUnderMouse (bool bAnimate)
 {
+    ::boost::shared_ptr<ScrollBar> pVScrollBar (mrSlideSorter.GetVerticalScrollBar());
+    ::boost::shared_ptr<ScrollBar> pHScrollBar (mrSlideSorter.GetHorizontalScrollBar());
+    if ((pVScrollBar && pVScrollBar->IsVisible() && pVScrollBar->IsTracking())
+        || (pHScrollBar && pHScrollBar->IsVisible() && pHScrollBar->IsTracking()))
+    {
+        // One of the scroll bars is tracking mouse movement.  Do not
+        // highlight the slide under the mouse in this case.
+        SetPageUnderMouse(SharedPageDescriptor(),false);
+        return;
+    }
+
     SharedSdWindow pWindow (mrSlideSorter.GetContentWindow());
-    if (pWindow && ! pWindow->IsMouseCaptured())
+    if (pWindow && pWindow->IsVisible() && ! pWindow->IsMouseCaptured())
     {
         const Window::PointerState aPointerState (pWindow->GetPointerState());
         const Rectangle aWindowBox (pWindow->GetPosPixel(), pWindow->GetSizePixel());
         if (aWindowBox.IsInside(aPointerState.maPos))
+        {
             UpdatePageUnderMouse (
                 aPointerState.maPos,
                 (aPointerState.mnState & MOUSE_LEFT)!=0,
                 bAnimate);
-        else
-            SetPageUnderMouse(SharedPageDescriptor(),false);
+            return;
+        }
     }
+
+    SetPageUnderMouse(SharedPageDescriptor(),false);
 }