From: John Levon <levon@movementarian.org>
Date: Mon, 26 May 2003 11:33:37 +0000 (+0000)
Subject: speed hack for long tables
X-Git-Tag: 1.6.10~16742
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=50fe44383b368c7fbc2f8cfccb8643485f8bacea;p=features.git

speed hack for long tables


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7047 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/insets/ChangeLog b/src/insets/ChangeLog
index 7a189d69ca..db9980c9e3 100644
--- a/src/insets/ChangeLog
+++ b/src/insets/ChangeLog
@@ -1,3 +1,8 @@
+2003-05-26  John Levon  <levon@movementarian.org>
+
+	* insettabular.C: avoid drawing all of a long table
+	if it's not needed. A big speedup
+
 2003-05-26  Lars Gullik Bjønnes  <larsbj@gullik.net>
 
 	* remove same_id from function signatures, adjust
diff --git a/src/insets/insettabular.C b/src/insets/insettabular.C
index 56c204c94b..8342529be1 100644
--- a/src/insets/insettabular.C
+++ b/src/insets/insettabular.C
@@ -333,6 +333,12 @@ void InsetTabular::draw(BufferView * bv, LyXFont const & font, int baseline,
 			nx += tabular->GetWidthOfColumn(cell);
 			++cell;
 		}
+
+		// avoiding drawing the rest of a long table is
+		// a pretty big speedup
+		if (baseline > bv->workHeight())
+			break;
+
 		baseline += tabular->GetDescentOfRow(i) +
 			tabular->GetAscentOfRow(i + 1) +
 			tabular->GetAdditionalHeight(i + 1);