lok - add support for in place chart editing

This commit add a minimal support for editing chart embedded in a
spreadsheet or a text document or a presentation.
Graphic objects can be moved and resized, text objects can be edited.

Change-Id: I8e637dabf328a94bd6bb0e309a245302cff421d8
Reviewed-on: https://gerrit.libreoffice.org/39342
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Marco Cecchetti <mrcekets@gmail.com>

4 files changed, 68 insertions, 0 deletions

diff --git a/include/editeng/outliner.hxx b/include/editeng/outliner.hxx
index 3e7e889064d1..1cc38d50263e 100644
--- a/include/editeng/outliner.hxx
+++ b/include/editeng/outliner.hxx
@@ -384,6 +384,7 @@ public:
     virtual void NotifyOtherViews(int nType, const OString& rKey, const OString& rPayload) = 0;
     /// Wrapper around SfxLokHelper::notifyOtherView().
     virtual void NotifyOtherView(OutlinerViewShell* pOtherShell, int nType, const OString& rKey, const OString& rPayload) = 0;
+    virtual vcl::Window* GetEditWindowForActiveOLEObj() const = 0;
 
 protected:
     ~OutlinerViewShell() throw () {}
diff --git a/include/sfx2/lokcharthelper.hxx b/include/sfx2/lokcharthelper.hxx
new file mode 100644
index 000000000000..deb2c43f0556
--- /dev/null
+++ b/include/sfx2/lokcharthelper.hxx
@@ -0,0 +1,60 @@
+/* -*- 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_SFX2_LOKCHARTHELPER_HXX
+#define INCLUDED_SFX2_LOKCHARTHELPER_HXX
+
+#include <sfx2/dllapi.h>
+#include <tools/gen.hxx>
+#include <vcl/window.hxx>
+
+#include <com/sun/star/frame/XController.hpp>
+#include <com/sun/star/frame/XDispatch.hpp>
+
+class SfxViewShell;
+class VirtualDevice;
+
+class SFX2_DLLPUBLIC LokChartHelper
+{
+private:
+    SfxViewShell* mpViewShell;
+    css::uno::Reference<css::frame::XController> mxController;
+    css::uno::Reference<css::frame::XDispatch> mxDispatcher;
+    VclPtr<vcl::Window> mpWindow;
+
+public:
+    LokChartHelper(SfxViewShell* pViewShell)
+        : mpViewShell(pViewShell)
+        , mpWindow(nullptr)
+    {}
+
+    css::uno::Reference<css::frame::XController>& GetXController();
+    css::uno::Reference<css::frame::XDispatch>& GetXDispatcher();
+    vcl::Window* GetWindow();
+    tools::Rectangle GetChartBoundingBox();
+    void Invalidate();
+
+    bool Hit(const Point& aPos);
+    static bool HitAny(const Point& aPos);
+    void PaintTile(VirtualDevice& rRenderContext, const tools::Rectangle& rTileRect);
+    static void PaintAllChartsOnTile(VirtualDevice& rDevice,
+                                     int nOutputWidth, int nOutputHeight,
+                                     int nTilePosX, int nTilePosY,
+                                     long nTileWidth, long nTileHeight);
+    bool postMouseEvent(int nType, int nX, int nY,
+                        int nCount, int nButtons, int nModifier,
+                        double fScaleX = 1.0, double fScaleY = 1.0);
+    bool setTextSelection(int nType, int nX, int nY);
+    bool setGraphicSelection(int nType, int nX, int nY,
+                             double fScaleX = 1.0, double fScaleY = 1.0);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/sfx2/viewsh.hxx b/include/sfx2/viewsh.hxx
index 89bb429aa41b..f186f8d4135a 100644
--- a/include/sfx2/viewsh.hxx
+++ b/include/sfx2/viewsh.hxx
@@ -336,6 +336,9 @@ public:
     virtual void NotifyCursor(SfxViewShell* /*pViewShell*/) const;
     /// Where a new view can perform some update/initialization soon after the callback has been registered.
     virtual void afterCallbackRegistered();
+    /// See OutlinerViewShell::GetEditWindowForActiveOLEObj().
+    virtual vcl::Window* GetEditWindowForActiveOLEObj() const override;
+
 };
 
 
diff --git a/include/vcl/window.hxx b/include/vcl/window.hxx
index 7c2aa534fa69..3b8a42ac5d0b 100644
--- a/include/vcl/window.hxx
+++ b/include/vcl/window.hxx
@@ -931,6 +931,7 @@ public:
     vcl::Window*                        GetParent() const;
     // return the dialog we are contained in or NULL if un-contained
     Dialog*                             GetParentDialog() const;
+    bool                                IsAncestorOf( const vcl::Window& rWindow ) const;
 
     void                                Show( bool bVisible = true, ShowFlags nFlags = ShowFlags::NONE );
     void                                Hide() { Show( false ); }
@@ -1030,6 +1031,7 @@ public:
     virtual void                        SetOutputSizePixel( const Size& rNewSize );
     bool                                IsDefaultPos() const;
     bool                                IsDefaultSize() const;
+    Point                               GetOffsetPixelFrom(const vcl::Window& rWindow) const;
 
     // those conversion routines might deliver different results during UI mirroring
     Point                               OutputToScreenPixel( const Point& rPos ) const;
@@ -1540,6 +1542,8 @@ public:
     virtual Selection GetSurroundingTextSelection() const;
 
     virtual FactoryFunction GetUITestFactory() const;
+
+    virtual bool IsChart() const { return false; }
 };
 
 }