avoid double draw after scrollIdle()

After going back or forward to any page, there were two redraws: one from
the origin and another from the scroll position. This patch avoids flicker,
and makes rendering 100% faster in this case.

1 files changed, 1 insertions, 1 deletions

diff --git a/dw/layout.hh b/dw/layout.hh
index 98aa4fc1..d08eb363 100644
--- a/dw/layout.hh
+++ b/dw/layout.hh
@@ -138,7 +138,7 @@ private:
    style::Cursor cursor;
    int canvasWidth, canvasAscent, canvasDescent;
 
-   bool usesViewport;
+   bool usesViewport, drawAfterScrollReq;
    int scrollX, scrollY, viewportWidth, viewportHeight;
    bool canvasHeightGreater;
    int hScrollbarThickness, vScrollbarThickness;