LOK: add lok::Document::setGraphicSelection() API and implement it for Writer

Change-Id: I115cf7e7978622d5108c4c792f7de861beb6efb6

desktop/source/lib/init.cxx

@@ -217,6 +217,10 @@ static void doc_setTextSelection (LibreOfficeKitDocument* pThis,
                                   int nType,
                                   int nX,
                                   int nY);
+static void doc_setGraphicSelection (LibreOfficeKitDocument* pThis,
+                                  int nType,
+                                  int nX,
+                                  int nY);
 
 struct LibLODocument_Impl : public _LibreOfficeKitDocument
 {
@@ -247,6 +251,7 @@ struct LibLODocument_Impl : public _LibreOfficeKitDocument
             m_pDocumentClass->postKeyEvent = doc_postKeyEvent;
             m_pDocumentClass->postMouseEvent = doc_postMouseEvent;
             m_pDocumentClass->setTextSelection = doc_setTextSelection;
+            m_pDocumentClass->setGraphicSelection = doc_setGraphicSelection;
 
             gDocumentClass = m_pDocumentClass;
         }
@@ -740,6 +745,18 @@ static void doc_setTextSelection(LibreOfficeKitDocument* pThis, int nType, int n
     pDoc->setTextSelection(nType, nX, nY);
 }
 
+static void doc_setGraphicSelection(LibreOfficeKitDocument* pThis, int nType, int nX, int nY)
+{
+    ITiledRenderable* pDoc = getTiledRenderable(pThis);
+    if (!pDoc)
+    {
+        gImpl->maLastExceptionMsg = "Document doesn't support tiled rendering";
+        return;
+    }
+
+    pDoc->setGraphicSelection(nType, nX, nY);
+}
+
 static char* lo_getError (LibreOfficeKit *pThis)
 {
     LibLibreOffice_Impl* pLib = static_cast<LibLibreOffice_Impl*>(pThis);

include/LibreOfficeKit/LibreOfficeKit.h

@@ -137,6 +137,11 @@ struct _LibreOfficeKitDocumentClass
                          int nType,
                          int nX,
                          int nY);
+  /// @see lok::Document::setGraphicSelection
+  void (*setGraphicSelection)(LibreOfficeKitDocument* pThis,
+                         int nType,
+                         int nX,
+                         int nY);
 #endif // LOK_USE_UNSTABLE_API
 };
 

include/LibreOfficeKit/LibreOfficeKit.hxx

@@ -141,6 +141,18 @@ public:
     {
         mpDoc->pClass->setTextSelection(mpDoc, nType, nX, nY);
     }
+
+    /**
+     * Adjusts the graphic selection.
+     *
+     * @param nType @see LibreOfficeKitSetGraphicSelectionType
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     */
+    inline void setGraphicSelection(int nType, int nX, int nY)
+    {
+        mpDoc->pClass->setGraphicSelection(mpDoc, nType, nX, nY);
+    }
 #endif // LOK_USE_UNSTABLE_API
 };
 

include/LibreOfficeKit/LibreOfficeKitEnums.h

@@ -135,6 +135,31 @@ typedef enum
 }
 LibreOfficeKitSetTextSelectionType;
 
+typedef enum
+{
+    /**
+     * A move or a resize action starts. It is assumed that there is a valid
+     * graphic selection (see LOK_CALLBACK_GRAPHIC_SELECTION) and the supplied
+     * coordinates are the ones the user tapped on.
+     *
+     * The type of the action is move by default, unless the coordinates are
+     * the position of a handle (see below), in which case it's a resize.
+     *
+     * There are 8 handles for a graphic selection:
+     * - top-left, top-center, top-right
+     * - middle-left, middle-right
+     * - bottom-left, bottom-center, bottom-right
+     */
+    LOK_SETGRAPHICSELECTION_START,
+    /**
+     * A move or resize action stops. It is assumed that this is always used
+     * only after a LOK_SETTEXTSELECTION_START. The supplied coordinates are
+     * the ones where the user released the screen.
+     */
+    LOK_SETGRAPHICSELECTION_END
+}
+LibreOfficeKitSetGraphicSelectionType;
+
 #endif // LOK_USE_UNSTABLE_API
 
 #ifdef __cplusplus

include/vcl/ITiledRenderable.hxx

@@ -115,6 +115,13 @@ public:
      * @see lok::Document::setTextSelection().
      */
     virtual void setTextSelection(int /*nType*/, int /*nX*/, int /*nY*/) { }
+
+    /**
+     * Adjusts the graphic selection.
+     *
+     * @see lok::Document::setGraphicSelection().
+     */
+    virtual void setGraphicSelection(int /*nType*/, int /*nX*/, int /*nY*/) { }
 };
 
 } // namespace vcl

sw/inc/unotxdoc.hxx

@@ -417,6 +417,8 @@ public:
     virtual void postMouseEvent(int nType, int nX, int nY, int nCount) SAL_OVERRIDE;
     /// @see vcl::ITiledRenderable::setTextSelection().
     virtual void setTextSelection(int nType, int nX, int nY) SAL_OVERRIDE;
+    /// @see vcl::ITiledRenderable::setGraphicSelection().
+    virtual void setGraphicSelection(int nType, int nX, int nY) SAL_OVERRIDE;
 
     void                        Invalidate();
     void                        Reactivate(SwDocShell* pNewDocShell);

sw/source/uibase/docvw/edtwin.cxx

@@ -6283,4 +6283,22 @@ void SwEditWin::SetCursorLogicPosition(const Point& rPosition, bool bPoint, bool
         rShell.getShellCrsr(/*bBlock=*/false)->Exchange();
 }
 
+void SwEditWin::SetGraphicLogicPosition(bool bStart, const Point& rPosition)
+{
+    if (bStart)
+    {
+        MouseEvent aClickEvent(rPosition, 1, MouseEventModifiers::SIMPLECLICK, MOUSE_LEFT);
+        MouseButtonDown(aClickEvent);
+        MouseEvent aMoveEvent(Point(rPosition.getX() + MIN_MOVE + 1, rPosition.getY()), 0, MouseEventModifiers::SIMPLEMOVE, MOUSE_LEFT);
+        MouseMove(aMoveEvent);
+    }
+    else
+    {
+        MouseEvent aMoveEvent(Point(rPosition.getX() - MIN_MOVE - 1, rPosition.getY()), 0, MouseEventModifiers::SIMPLEMOVE, MOUSE_LEFT);
+        MouseMove(aMoveEvent);
+        MouseEvent aClickEvent(rPosition, 1, MouseEventModifiers::SIMPLECLICK, MOUSE_LEFT);
+        MouseButtonUp(aClickEvent);
+    }
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/uibase/inc/edtwin.hxx

@@ -308,6 +308,8 @@ public:
     void LogicMouseButtonUp(const MouseEvent& rMouseEvent);
     /// Allows adjusting the point or mark of the selection to a document coordinate.
     void SetCursorLogicPosition(const Point& rPosition, bool bPoint, bool bClearMark);
+    /// Allows starting or ending a graphic move or resize action.
+    void SetGraphicLogicPosition(bool bStart, const Point& rPosition);
 };
 
 #endif

sw/source/uibase/uno/unotxdoc.cxx

@@ -3223,6 +3223,25 @@ void SwXTextDocument::setTextSelection(int nType, int nX, int nY)
     }
 }
 
+void SwXTextDocument::setGraphicSelection(int nType, int nX, int nY)
+{
+    SolarMutexGuard aGuard;
+
+    SwEditWin& rEditWin = pDocShell->GetView()->GetEditWin();
+    switch (nType)
+    {
+    case LOK_SETTEXTSELECTION_START:
+        rEditWin.SetGraphicLogicPosition(/*bStart=*/true, Point(nX, nY));
+        break;
+    case LOK_SETTEXTSELECTION_END:
+        rEditWin.SetGraphicLogicPosition(/*bStart=*/false, Point(nX, nY));
+        break;
+    default:
+        assert(false);
+        break;
+    }
+}
+
 void * SAL_CALL SwXTextDocument::operator new( size_t t) throw()
 {
     return SwXTextDocumentBaseClass::operator new(t);