tdf#124146 add (general) gesture event support to VCL

Reviewed-on: https://gerrit.libreoffice.org/69655
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
(cherry picked from commit 6b476080da0678faa59606ef814760bd4235de24)

Change-Id: I766930bb35071442e132b91477cd3d55e8f00f48

4 files changed, 71 insertions, 0 deletions

diff --git a/include/vcl/GestureEvent.hxx b/include/vcl/GestureEvent.hxx
new file mode 100644
index 000000000000..2070fc76d39a
--- /dev/null
+++ b/include/vcl/GestureEvent.hxx
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_GESTUREEVENT_HXX
+#define INCLUDED_VCL_GESTUREEVENT_HXX
+
+#include <vcl/dllapi.h>
+
+enum class GestureEventType
+{
+    PanningBegin,
+    PanningUpdate,
+    PanningEnd
+};
+
+enum class PanningOrientation
+{
+    Horizontal,
+    Vertical
+};
+
+class VCL_DLLPUBLIC GestureEvent
+{
+public:
+    sal_Int32 mnX;
+    sal_Int32 mnY;
+    GestureEventType meEventType;
+
+    sal_Int32 mnOffset;
+    PanningOrientation meOrientation;
+};
+
+#endif // INCLUDED_VCL_GESTUREEVENT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/vcl/commandevent.hxx b/include/vcl/commandevent.hxx
index 778348b3d1a3..1b2d5ab55425 100644
--- a/include/vcl/commandevent.hxx
+++ b/include/vcl/commandevent.hxx
@@ -27,6 +27,8 @@
 #include <vcl/keycod.hxx>
 #include <vcl/font.hxx>
 #include <o3tl/typed_flags_set.hxx>
+#include <rtl/ustring.hxx>
+#include <vcl/GestureEvent.hxx>
 
 class CommandExtTextInputData;
 class CommandWheelData;
@@ -37,6 +39,8 @@ class CommandMediaData;
 class CommandSelectionChangeData;
 class CommandSwipeData;
 class CommandLongPressData;
+class CommandGestureData;
+
 enum class CommandEventId;
 
 enum class ExtTextInputAttr {
@@ -86,6 +90,7 @@ public:
     const CommandSelectionChangeData*   GetSelectionChangeData() const;
     const CommandSwipeData*             GetSwipeData() const;
     const CommandLongPressData*         GetLongPressData() const;
+    const CommandGestureData*           GetGestureData() const;
 };
 
 class VCL_DLLPUBLIC CommandExtTextInputData
@@ -305,6 +310,25 @@ public:
     double getY() const { return mnY; }
 };
 
+class VCL_DLLPUBLIC CommandGestureData
+{
+public:
+    double const mfX;
+    double const mfY;
+    GestureEventType const meEventType;
+
+    double const mfOffset;
+    PanningOrientation const meOrientation;
+
+    CommandGestureData(double fX, double fY, GestureEventType eEventType, double fOffset, PanningOrientation eOrientation)
+        : mfX(fX)
+        , mfY(fY)
+        , meEventType(eEventType)
+        , mfOffset(fOffset)
+        , meOrientation(eOrientation)
+    {}
+};
+
 enum class CommandEventId
 {
     NONE                    = 0,
@@ -328,6 +352,7 @@ enum class CommandEventId
     QueryCharPosition       = 20,
     Swipe                   = 21,
     LongPress               = 22,
+    Gesture                 = 23,
 };
 
 #endif // INCLUDED_VCL_COMMANDEVENT_HXX
diff --git a/include/vcl/svapp.hxx b/include/vcl/svapp.hxx
index 3cbb01d8b336..f65285aaae44 100644
--- a/include/vcl/svapp.hxx
+++ b/include/vcl/svapp.hxx
@@ -60,6 +60,7 @@ class Reflection;
 class NotifyEvent;
 class KeyEvent;
 class MouseEvent;
+class GestureEvent;
 struct ImplSVEvent;
 struct ConvertData;
 
@@ -753,6 +754,8 @@ public:
     */
     static ImplSVEvent *        PostMouseEvent( VclEventId nEvent, vcl::Window *pWin, MouseEvent const * pMouseEvent );
 
+    static ImplSVEvent* PostGestureEvent(VclEventId nEvent, vcl::Window* pWin, GestureEvent const * pGestureEvent);
+
     /** Remove mouse and keypress events from a window... any also zoom and scroll events
      if the platform supports it.
 
diff --git a/include/vcl/vclevent.hxx b/include/vcl/vclevent.hxx
index 8f15df2228c4..9e771bf59502 100644
--- a/include/vcl/vclevent.hxx
+++ b/include/vcl/vclevent.hxx
@@ -174,6 +174,7 @@ enum class VclEventId
     WindowShow,
     WindowStartDocking,     // pData = DockingData
     WindowToggleFloating,
+    WindowGestureEvent,
 };
 
 class VCL_DLLPUBLIC VclSimpleEvent