add GtkLongPressGesture support and implement long-press in slideshow

so a long press shows the context menu to e.g. allow switching on/off
draw-on-slide mode

Change-Id: Icd6ea52d2172217794f4fc802246ccf13020e134

5 files changed, 31 insertions, 1 deletions

diff --git a/sd/source/ui/inc/slideshow.hxx b/sd/source/ui/inc/slideshow.hxx
index d6ef3ae77717..2f19ca0e3ff1 100644
--- a/sd/source/ui/inc/slideshow.hxx
+++ b/sd/source/ui/inc/slideshow.hxx
@@ -53,6 +53,7 @@ namespace vcl { class Window; }
 class SfxRequest;
 class WorkWindow;
 class CommandSwipeData;
+class CommandLongPressData;
 struct ImplSVEvent;
 
 // TODO: Remove
@@ -156,6 +157,7 @@ public:
         !!!! This should only be called by the SdShowWindow !!!!*/
     bool pause( bool bPause );
     bool swipe(const CommandSwipeData &rSwipeData);
+    bool longpress(const CommandLongPressData& rLongPressData);
 
     // settings
     bool isFullScreen();                                // a.k.a. FuSlideShow::IsFullScreen()
diff --git a/sd/source/ui/slideshow/slideshow.cxx b/sd/source/ui/slideshow/slideshow.cxx
index cfcf5e36fc35..b21680eb9714 100644
--- a/sd/source/ui/slideshow/slideshow.cxx
+++ b/sd/source/ui/slideshow/slideshow.cxx
@@ -1064,6 +1064,11 @@ bool SlideShow::swipe(const CommandSwipeData& rSwipeData)
     return mxController.is() && mxController->swipe(rSwipeData);
 }
 
+bool SlideShow::longpress(const CommandLongPressData& rLongPressData)
+{
+    return mxController.is() && mxController->longpress(rLongPressData);
+}
+
 void SlideShow::StartInPlacePresentationConfigurationCallback()
 {
     if( mnInPlaceConfigEvent != 0 )
diff --git a/sd/source/ui/slideshow/slideshowimpl.cxx b/sd/source/ui/slideshow/slideshowimpl.cxx
index 4e9959bf978e..38eee1f0f680 100644
--- a/sd/source/ui/slideshow/slideshowimpl.cxx
+++ b/sd/source/ui/slideshow/slideshowimpl.cxx
@@ -1235,7 +1235,7 @@ void SlideshowImpl::slideEnded(const bool bReverse)
 
 bool SlideshowImpl::swipe(const CommandSwipeData &rSwipeData)
 {
-    if (mbUsePen)
+    if (mbUsePen || mnContextMenuEvent)
         return false;
 
     double nVelocityX = rSwipeData.getVelocityX();
@@ -1253,6 +1253,17 @@ bool SlideshowImpl::swipe(const CommandSwipeData &rSwipeData)
     return true;
 }
 
+bool SlideshowImpl::longpress(const CommandLongPressData &rLongPressData)
+{
+    if (mnContextMenuEvent)
+        return false;
+
+    maPopupMousePos = Point(rLongPressData.getX(), rLongPressData.getY());
+    mnContextMenuEvent = Application::PostUserEvent( LINK( this, SlideshowImpl, ContextMenuHdl ) );
+
+    return true;
+}
+
 void SlideshowImpl::removeShapeEvents()
 {
     if( mxShow.is() && mxListenerProxy.is() ) try
diff --git a/sd/source/ui/slideshow/slideshowimpl.hxx b/sd/source/ui/slideshow/slideshowimpl.hxx
index 97fe5e3342f3..b39c4ede6c9a 100644
--- a/sd/source/ui/slideshow/slideshowimpl.hxx
+++ b/sd/source/ui/slideshow/slideshowimpl.hxx
@@ -219,6 +219,7 @@ public:
     void hyperLinkClicked(const OUString & hyperLink) throw (css::uno::RuntimeException);
     void click(const css::uno::Reference< css::drawing::XShape > & xShape, const css::awt::MouseEvent & aOriginalEvent);
     bool swipe(const CommandSwipeData &rSwipeData);
+    bool longpress(const CommandLongPressData& rLongPressData);
 
     /// ends the presentation async
     void endPresentation();
diff --git a/sd/source/ui/view/viewshel.cxx b/sd/source/ui/view/viewshel.cxx
index 22fc056d9345..91efc8ff0c8f 100644
--- a/sd/source/ui/view/viewshel.cxx
+++ b/sd/source/ui/view/viewshel.cxx
@@ -651,6 +651,17 @@ bool ViewShell::HandleScrollCommand(const CommandEvent& rCEvt, ::sd::Window* pWi
                 }
             }
             break;
+        case COMMAND_LONGPRESS:
+            {
+                rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( GetViewShellBase() ) );
+                if (xSlideShow.is())
+                {
+                    const CommandLongPressData* pLongPressData = rCEvt.GetLongPressData();
+                    bDone = xSlideShow->longpress(*pLongPressData);
+                }
+            }
+            break;
+
         case COMMAND_WHEEL:
             {
                 Reference< XSlideShowController > xSlideShowController( SlideShow::GetSlideShowController(GetViewShellBase() ) );