From 0fa25c261ad1bac1303f8a35d89261365bb5d849 Mon Sep 17 00:00:00 2001
From: Katarina Behrens <Katarina.Behrens@cib.de>
Date: Thu, 18 Oct 2018 01:01:14 +0200
Subject: Now that initiating drag works, let's also accept drops

Change-Id: Iab328edd799dd4ce04312db4e640f86a8f7fda77
Reviewed-on: https://gerrit.libreoffice.org/61897
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
Tested-by: Katarina Behrens <Katarina.Behrens@cib.de>
---
 vcl/inc/qt5/Qt5DragAndDrop.hxx |  1 +
 vcl/inc/qt5/Qt5Frame.hxx       |  1 +
 vcl/qt5/Qt5DragAndDrop.cxx     | 13 +++++++++++++
 vcl/qt5/Qt5Frame.cxx           | 19 +++++++++++++++++++
 vcl/qt5/Qt5Widget.cxx          |  3 +++
 5 files changed, 37 insertions(+)

(limited to 'vcl')

diff --git a/vcl/inc/qt5/Qt5DragAndDrop.hxx b/vcl/inc/qt5/Qt5DragAndDrop.hxx
index 424a1ba638e4..d1116ddfee96 100644
--- a/vcl/inc/qt5/Qt5DragAndDrop.hxx
+++ b/vcl/inc/qt5/Qt5DragAndDrop.hxx
@@ -108,6 +108,7 @@ public:
     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 
     void fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde);
+    void fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde);
 };
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/Qt5Frame.hxx b/vcl/inc/qt5/Qt5Frame.hxx
index 9ee9f50666e9..110fa9b279cf 100644
--- a/vcl/inc/qt5/Qt5Frame.hxx
+++ b/vcl/inc/qt5/Qt5Frame.hxx
@@ -135,6 +135,7 @@ public:
     virtual void registerDropTarget(Qt5DropTarget* pDropTarget);
     virtual void deregisterDropTarget(Qt5DropTarget const* pDropTarget);
     void draggingStarted(const int x, const int y);
+    void dropping(const int x, const int y);
 
     virtual void SetExtendedFrameStyle(SalExtStyle nExtStyle) override;
     virtual void Show(bool bVisible, bool bNoActivate = false) override;
diff --git a/vcl/qt5/Qt5DragAndDrop.cxx b/vcl/qt5/Qt5DragAndDrop.cxx
index ac9a0fdb6339..569c24f2bdac 100644
--- a/vcl/qt5/Qt5DragAndDrop.cxx
+++ b/vcl/qt5/Qt5DragAndDrop.cxx
@@ -201,6 +201,19 @@ void Qt5DropTarget::fire_dragEnter(const css::datatransfer::dnd::DropTargetDragE
     }
 }
 
+void Qt5DropTarget::fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde)
+{
+    osl::ClearableGuard<osl::Mutex> aGuard(m_aMutex);
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> aListeners(
+        m_aListeners);
+    aGuard.clear();
+
+    for (auto const& listener : aListeners)
+    {
+        listener->drop(dtde);
+    }
+}
+
 void Qt5DropTarget::acceptDrag(sal_Int8 /*dragOperation*/) { return; }
 void Qt5DropTarget::rejectDrag() { return; }
 
diff --git a/vcl/qt5/Qt5Frame.cxx b/vcl/qt5/Qt5Frame.cxx
index bbf541dea312..a58e7b18d4b4 100644
--- a/vcl/qt5/Qt5Frame.cxx
+++ b/vcl/qt5/Qt5Frame.cxx
@@ -901,4 +901,23 @@ void Qt5Frame::draggingStarted(const int x, const int y)
     }
 }
 
+void Qt5Frame::dropping(const int x, const int y)
+{
+    assert(m_pDropTarget);
+
+    css::datatransfer::dnd::DropTargetDropEvent aEvent;
+    aEvent.Source = static_cast<css::datatransfer::dnd::XDropTarget*>(m_pDropTarget);
+    aEvent.Context = static_cast<css::datatransfer::dnd::XDropTargetDropContext*>(m_pDropTarget);
+    aEvent.LocationX = x;
+    aEvent.LocationY = y;
+    aEvent.DropAction = css::datatransfer::dnd::DNDConstants::ACTION_MOVE; //FIXME
+    aEvent.SourceActions = css::datatransfer::dnd::DNDConstants::ACTION_MOVE;
+
+    css::uno::Reference<css::datatransfer::XTransferable> xTransferable;
+    xTransferable = m_pDragSource->GetTransferable();
+    aEvent.Transferable = xTransferable;
+
+    m_pDropTarget->fire_drop(aEvent);
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/qt5/Qt5Widget.cxx b/vcl/qt5/Qt5Widget.cxx
index 33b5faf8a9a2..a47aaca8b853 100644
--- a/vcl/qt5/Qt5Widget.cxx
+++ b/vcl/qt5/Qt5Widget.cxx
@@ -193,7 +193,10 @@ void Qt5Widget::dragMoveEvent(QDragMoveEvent* event)
 
 void Qt5Widget::dropEvent(QDropEvent* event)
 {
+    QPoint point = event->pos();
     SAL_WARN("vcl.qt5", "dropevent");
+
+    m_pFrame->dropping(point.x(), point.y());
     QWidget::dropEvent(event);
 }
 
-- 
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