patch 8.1.1678: using popup_menu() does not scroll to show the selected linev8.1.1678

Problem:    When using popup_menu() does not scroll to show the selected line.
Solution:   Scroll the text. (Naruhiko Nishino, closes #4651)

6 files changed, 60 insertions, 0 deletions

diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_1.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_1.dump
new file mode 100644
index 0000000000..a2dc0a643c
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_1.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |o|n|e| @5| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |t+0&#e0e0e08|w|o| +0&#ffd7ff255@5| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |t|h|r|e@1| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p| 
diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_2.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_2.dump
new file mode 100644
index 0000000000..5d5cb146b1
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_2.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |t|h|r|e@1| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |f|o|u|r| @4| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |f+0&#e0e0e08|i|v|e| +0&#ffd7ff255@4| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p| 
diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_3.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_3.dump
new file mode 100644
index 0000000000..7a5a6c0a63
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_3.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |s|e|v|e|n| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |e|i|g|h|t| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |n+0&#e0e0e08|i|n|e| +0&#ffd7ff255@4| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p| 
diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_4.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_4.dump
new file mode 100644
index 0000000000..528496c4b8
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_4.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |s+0&#e0e0e08|e|v|e|n| +0&#ffd7ff255@3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |e|i|g|h|t| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |n|i|n|e| @4| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p| 
diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_5.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_5.dump
new file mode 100644
index 0000000000..893a7df939
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_5.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |s+0&#e0e0e08|i|x| +0&#ffd7ff255@5| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |s|e|v|e|n| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |e|i|g|h|t| @3| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p| 
diff --git a/src/testdir/dumps/Test_popupwin_menu_scroll_6.dump b/src/testdir/dumps/Test_popupwin_menu_scroll_6.dump
new file mode 100644
index 0000000000..1980dd4d86
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_menu_scroll_6.dump
@@ -0,0 +1,10 @@
+>1+0&#ffffff0| @73
+|2| @29|╔+0#0000001#ffd7ff255|═@10|╗| +0#0000000#ffffff0@30
+|3| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|4| @29|║+0#0000001#ffd7ff255| |o+0&#e0e0e08|n|e| +0&#ffd7ff255@5| +0#0000000#0000001|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|5| @29|║+0#0000001#ffd7ff255| |t|w|o| @5| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|6| @29|║+0#0000001#ffd7ff255| |t|h|r|e@1| @3| +0#0000000#a8a8a8255|║+0#0000001#ffd7ff255| +0#0000000#ffffff0@30
+|7| @29|║+0#0000001#ffd7ff255| @10|║| +0#0000000#ffffff0@30
+|8| @29|╚+0#0000001#ffd7ff255|═@10|╝| +0#0000000#ffffff0@30
+|9| @73
+@57|1|,|1| @10|T|o|p|