Implement LOK_CALLBACK_MOUSE_POINTER

Change-Id: I8d1f63208baf277b0a9d15908f3ea7ff3b56bf10
Reviewed-on: https://gerrit.libreoffice.org/19883
Reviewed-by: Andrzej Hunt <andrzej@ahunt.org>
Tested-by: Andrzej Hunt <andrzej@ahunt.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 4523675ca4bd..6d7d079c3c37 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -66,6 +66,7 @@
 #include <tools/fract.hxx>
 #include <svtools/ctrltool.hxx>
 #include <vcl/graphicfilter.hxx>
+#include <vcl/ptrstyle.hxx>
 #include <vcl/sysdata.hxx>
 #include <vcl/virdev.hxx>
 #include <vcl/ITiledRenderable.hxx>
@@ -174,6 +175,58 @@ static const ExtensionMap aDrawExtensionMap[] =
     { nullptr, nullptr }
 };
 
+/*
+ * Map directly to css cursor styles to avoid further mapping in the client.
+ * Gtk (via gdk_cursor_new_from_name) also supports the same css cursor styles.
+ *
+ * This was created partially with help of the mappings in gtkdata.cxx.
+ * The list is incomplete as some cursor style simply aren't supported
+ * by css, it might turn out to be worth mapping some of these missing cursors
+ * to available cursors?
+ */
+static const std::map <PointerStyle, OString> aPointerMap {
+    { PointerStyle::Arrow, "default" },
+    // PointerStyle::Null ?
+    { PointerStyle::Wait, "wait" },
+    { PointerStyle::Text, "text" },
+    { PointerStyle::Help, "help" },
+    { PointerStyle::Cross, "crosshair" },
+    { PointerStyle::Move, "move" },
+    { PointerStyle::NSize, "n-resize" },
+    { PointerStyle::SSize, "s-resize" },
+    { PointerStyle::WSize, "w-resize" },
+    { PointerStyle::ESize, "e-resize" },
+    { PointerStyle::NWSize, "ne-resize" },
+    { PointerStyle::NESize, "ne-resize" },
+    { PointerStyle::SWSize, "sw-resize" },
+    { PointerStyle::SESize, "se-resize" },
+    // WindowNSize through WindowSESize
+    { PointerStyle::HSplit, "col-resize" },
+    { PointerStyle::VSplit, "row-resize" },
+    { PointerStyle::HSizeBar, "col-resize" },
+    { PointerStyle::VSizeBar, "row-resize" },
+    { PointerStyle::Hand, "grab" },
+    { PointerStyle::RefHand, "grabbing" },
+    // Pen, Magnify, Fill, Rotate
+    // HShear, VShear
+    // Mirror, Crook, Crop, MovePoint, MoveBezierWeight
+    // MoveData
+    { PointerStyle::CopyData, "copy" },
+    { PointerStyle::LinkData, "alias" },
+    // MoveDataLink, CopyDataLink
+    //MoveFile, CopyFile, LinkFile
+    // MoveFileLink, CopyFileLink, MoveFiless, CopyFiles
+    { PointerStyle::NotAllowed, "not-allowed" },
+    // DrawLine through DrawCaption
+    // Chart, Detective, PivotCol, PivotRow, PivotField, Chain, ChainNotAllowed
+    // TimeEventMove, TimeEventSize
+    // AutoScrollN through AutoScrollNSWE
+    // Airbrush
+    { PointerStyle::TextVertical, "vertical-text" }
+    // Pivot Delete, TabSelectS through TabSelectSW
+    // PaintBrush, HideWhiteSpace, ShowWhiteSpace
+};
+
 static OUString getUString(const char* pString)
 {
     if (pString == nullptr)
@@ -1040,6 +1093,22 @@ static void doc_postMouseEvent(LibreOfficeKitDocument* pThis, int nType, int nX,
     }
 
     pDoc->postMouseEvent(nType, nX, nY, nCount, nButtons, nModifier);
+
+    Pointer aPointer = pDoc->getPointer();
+
+    // We don't map all possible pointers hence we need a default
+    OString aPointerString = "default";
+    auto aIt = aPointerMap.find(aPointer.GetStyle());
+    if (aIt != aPointerMap.end())
+    {
+        aPointerString = aIt->second;
+    }
+
+    LibLODocument_Impl* pLib = static_cast<LibLODocument_Impl*>(pThis);
+    if (pLib->mpCallback && pLib->mpCallbackData)
+    {
+        pLib->mpCallback(LOK_CALLBACK_MOUSE_POINTER, aPointerString.getStr(), pLib->mpCallbackData);
+    }
 }
 
 static void doc_setTextSelection(LibreOfficeKitDocument* pThis, int nType, int nX, int nY)