implementing callback for ruler invalidation

adding commands to fetch and changee ruler state
'.uno:RulerState' and '.uno:RulerStateChange'

Change-Id: I66107039a7ae5893691feb45c8ab2e4aa476ea76
Reviewed-on: https://gerrit.libreoffice.org/40727
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: pranavk <pranavk@collabora.co.uk>

6 files changed, 38 insertions, 3 deletions

diff --git a/include/LibreOfficeKit/LibreOfficeKitEnums.h b/include/LibreOfficeKit/LibreOfficeKitEnums.h
index 300b71bb01ff..c3b71f3f1aad 100644
--- a/include/LibreOfficeKit/LibreOfficeKitEnums.h
+++ b/include/LibreOfficeKit/LibreOfficeKitEnums.h
@@ -504,7 +504,24 @@ typedef enum
     /**
      * The text content of the address field in Calc.
      */
-    LOK_CALLBACK_CELL_ADDRESS = 34
+    LOK_CALLBACK_CELL_ADDRESS = 34,
+    /**
+     * The key ruler related properties on change are reported by this.
+     *
+     * The payload format is:
+     *
+     * {
+     *      "margin1": "...",
+     *      "margin2": "...",
+     *      "leftOffset": "...",
+     *      "pageOffset": "...",
+     *      "pageWidth": "...",
+     *      "unit": "..."
+     *  }
+     *
+     * Here all aproperties are same as described in svxruler.
+     */
+    LOK_CALLBACK_RULER_UPDATE = 35
 
 }
 LibreOfficeKitCallbackType;
diff --git a/include/sfx2/sfxsids.hrc b/include/sfx2/sfxsids.hrc
index cfc59403d198..20afe0808bc2 100644
--- a/include/sfx2/sfxsids.hrc
+++ b/include/sfx2/sfxsids.hrc
@@ -562,6 +562,8 @@
 #define SID_COMP_BIBLIOGRAPHY               (SID_SVX_START + 880)
 #define SID_ADDRESS_DATA_SOURCE             (SID_SVX_START + 934)
 #define SID_OPEN_SMARTTAGOPTIONS            (SID_SVX_START + 1062)
+#define SID_RULER_MARGIN1                   (SID_SVX_START + 1063)
+#define SID_RULER_MARGIN2                   (SID_SVX_START + 1064)
 
 #define FID_SVX_START                       (SID_LIB_START + 500)
 #define FID_SEARCH_NOW                      (FID_SVX_START + 2)
diff --git a/include/svtools/ruler.hxx b/include/svtools/ruler.hxx
index 1c5b0cdea845..fa9da1d8c162 100644
--- a/include/svtools/ruler.hxx
+++ b/include/svtools/ruler.hxx
@@ -776,6 +776,7 @@ public:
     void            SetMargin2() { SetMargin2( 0, RulerMarginStyle::Invisible ); }
     void            SetMargin2( long nPos, RulerMarginStyle nMarginStyle = RulerMarginStyle::Sizeable );
     long            GetMargin2() const;
+    long            GetPageWidth() const;
 
     void            SetLeftFrameMargin( long nPos );
     void            SetRightFrameMargin( long nPos );
diff --git a/include/svx/ruler.hxx b/include/svx/ruler.hxx
index d8a78516b156..f8ba4cea149f 100644
--- a/include/svx/ruler.hxx
+++ b/include/svx/ruler.hxx
@@ -41,6 +41,12 @@ class SvxObjectItem;
 class SfxBoolItem;
 struct SvxRuler_Impl;
 
+enum class RulerChangeType
+{
+    MARGIN1,
+    MARGIN2
+};
+
 enum class SvxRulerDragFlags
 {
     NONE                       = 0x00,
@@ -255,7 +261,6 @@ protected:
                 bool bForceDontConsiderHidden = false,
                 sal_uInt16 nAct=USHRT_MAX ) const;
     long CalcPropMaxRight(sal_uInt16 nCol = USHRT_MAX) const;
-    long GetPageWidth() const;
 
 public:
 
@@ -278,6 +283,8 @@ public:
 
     //#i24363# tab stops relative to indent
     void SetTabsRelativeToIndent( bool bRel );
+    void SetValues(RulerChangeType type, long value);
+    long GetPageWidth() const;
 };
 
 #endif
diff --git a/include/svx/svxids.hrc b/include/svx/svxids.hrc
index 40b63ea05018..394276fd1ac3 100644
--- a/include/svx/svxids.hrc
+++ b/include/svx/svxids.hrc
@@ -255,6 +255,7 @@
 
 // CAUTION! Range <64 .. 67> used by EditEngine (!)
 
+#define SID_RULER_CHANGE_STATE                          ( SID_SVX_START + 78 )
 #define SID_RULER_NULL_OFFSET                           ( SID_SVX_START + 79 )
 #define SID_RULER_BORDERS                               ( SID_SVX_START + 80 )
 #define SID_RULER_OBJECT                                ( SID_SVX_START + 81 )
diff --git a/include/vcl/ITiledRenderable.hxx b/include/vcl/ITiledRenderable.hxx
index e330cd14f074..ae3ba9e76c3c 100644
--- a/include/vcl/ITiledRenderable.hxx
+++ b/include/vcl/ITiledRenderable.hxx
@@ -13,6 +13,7 @@
 
 #include <LibreOfficeKit/LibreOfficeKitTypes.h>
 #include <tools/gen.hxx>
+#include <svx/ruler.hxx>
 #include <vcl/pointr.hxx>
 #include <vcl/virdev.hxx>
 #include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
@@ -233,8 +234,14 @@ public:
     {
         return OUString();
     }
-};
 
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:RulerState");
+    virtual OUString getRulerState()
+    {
+        return OUString();
+    }
+};
 } // namespace vcl
 
 #endif // INCLUDED_VCL_ITILEDRENDERABLE_HXX