We are not forced to redraw the row each time the cursor is moved.

* TextMetrics.cpp: CursorOnRow() removed.
* TextMetrics::drawParagraph() do not check cursor position.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19859 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp
index b0f09deef5affa5cd042646c2b0d508b8a6683f5..dc9499849f4bcdc4c24181c436233ccd70987b98 100644 (file)
--- a/src/TextMetrics.cpp
+++ b/src/TextMetrics.cpp
@@ -976,26 +976,6 @@ void TextMetrics::draw(PainterInfo & pi, int x, int y) const
        }
 }
 
-namespace {
-
-bool CursorOnRow(PainterInfo & pi, pit_type const pit,
-       RowList::const_iterator rit, Text const & text)
-{
-       // Is there a cursor on this row (or inside inset on row)
-       Cursor & cur = pi.base.bv->cursor();
-       for (size_type d = 0; d < cur.depth(); ++d) {
-               CursorSlice const & sl = cur[d];
-               if (sl.text() == &text
-                   && sl.pit() == pit
-                   && sl.pos() >= rit->pos()
-                   && sl.pos() <= rit->endpos())
-                       return true;
-       }
-       return false;
-}
-
-} // namespace anon
-
 
 void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y,
         bool repaintAll) const
@@ -1021,12 +1001,10 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y,
                // Row signature; has row changed since last paint?
                bool row_has_changed = pm.rowChangeStatus()[rowno];
 
-               bool cursor_on_row = CursorOnRow(pi, pit, rit, *text_);
-
                // If selection is on, the current row signature differs
                // from cache, or cursor is inside an inset _on this row_,
                // then paint the row
-               if (repaintAll || row_has_changed || cursor_on_row) {
+               if (repaintAll || row_has_changed) {
                        bool const inside = (y + rit->descent() >= 0
                                && y - rit->ascent() < ww);
                        // it is not needed to draw on screen if we are not inside.
@@ -1046,8 +1024,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type pit, int x, int y,
                                        LYXERR(Debug::PAINTING) << "#";
                                else
                                        LYXERR(Debug::PAINTING) << "[" <<
-                                               repaintAll << row_has_changed <<
-                                               cursor_on_row << "]";
+                                               repaintAll << row_has_changed << "]";
                        }
                        rp.paintAppendix();
                        rp.paintDepthBar();