avoids updates on

 1. mouse click (without selection)
 2. mouse movements (when selection doesn't change)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16373 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/insets/insettabular.C b/src/insets/insettabular.C
index 849bf95079b7966784bcc9eb737913a072acdc6f..e6622f593e469e6c073e716040fc4a1fa8f434f3 100644 (file)
--- a/src/insets/insettabular.C
+++ b/src/insets/insettabular.C
@@ -498,6 +498,8 @@ void InsetTabular::doDispatch(LCursor & cur, FuncRequest & cmd)
                if (cmd.button() == mouse_button::button1 
                    || (cmd.button() == mouse_button::button3 
                        && (&bvcur.selBegin().inset() != this || !tablemode(bvcur)))) {
+                       if (!bvcur.selection() && !cur.bv().mouseSetCursor(cur))
+                               cur.noUpdate();
                        cur.selection() = false;
                        setCursorFromCoordinates(cur, cmd.x, cmd.y);
                        cur.bv().mouseSetCursor(cur);
@@ -515,6 +517,10 @@ void InsetTabular::doDispatch(LCursor & cur, FuncRequest & cmd)
                if (cmd.button() == mouse_button::button1) {
                        // only accept motions to places not deeper nested than the real anchor
                        if (bvcur.anchor_.hasPart(cur)) {
+                               // only update if selection changes
+                               if (bvcur.idx() == cur.idx() &&
+                                       !(bvcur.anchor_.idx() == cur.idx() && bvcur.pos() != cur.pos()))
+                                       cur.noUpdate();
                                setCursorFromCoordinates(cur, cmd.x, cmd.y);
                                bvcur.setCursor(cur);
                                bvcur.selection() = true;