From 1954458817f80ac15d670a9732469066994ef08a Mon Sep 17 00:00:00 2001
From: Scott Kostyshak <skostysh@lyx.org>
Date: Wed, 12 Dec 2012 04:04:39 -0500
Subject: [PATCH] Keep outer tabular borders when delete row/column

Fix #4981:
If the first or last column is deleted, the borders are preserved.
Similarly for the last row, but not for the first row.  Selections are
supported.

Based on a patch by Zahari Dimitrov.
---
 src/insets/InsetTabular.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/insets/InsetTabular.cpp b/src/insets/InsetTabular.cpp
index a38c4b27a3..f8d868608a 100644
--- a/src/insets/InsetTabular.cpp
+++ b/src/insets/InsetTabular.cpp
@@ -5313,6 +5313,12 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 		break;
 
 	case Tabular::DELETE_ROW:
+		if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
+			for (col_type c = 0; c < tabular.ncols(); c++)
+				tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
+					tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
+		}
+
 		for (row_type r = sel_row_start; r <= sel_row_end; ++r)
 			tabular.deleteRow(sel_row_start);
 		if (sel_row_start >= tabular.nrows())
@@ -5324,6 +5330,18 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 		break;
 
 	case Tabular::DELETE_COLUMN:
+		if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
+			for (row_type r = 0; r < tabular.nrows(); r++)
+				tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
+					tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
+		}
+
+		if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
+			for (row_type r = 0; r < tabular.nrows(); r++)
+				tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
+					tabular.leftLine(tabular.cellIndex(r, 0)));
+		}
+
 		for (col_type c = sel_col_start; c <= sel_col_end; ++c)
 			tabular.deleteColumn(sel_col_start);
 		if (sel_col_start >= tabular.ncols())
-- 
2.39.2