patch 9.0.1371: ballooneval interferes with Insert completion
Problem: Ballooneval interferes with Insert completion.
Solution: Ignore mouse-move events when completing. (closes #12094,
closes #12092)
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index fc7e8cb..20dd556 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -412,6 +412,54 @@
set completefunc&
endfunc
+" Test that mouse scrolling/movement should not interrupt completion.
+func Test_mouse_scroll_move_during_completion()
+ new
+ com! -buffer TestCommand1 echo 'TestCommand1'
+ com! -buffer TestCommand2 echo 'TestCommand2'
+ call setline(1, ['', '', '', '', ''])
+ call cursor(5, 1)
+
+ " Without completion menu scrolling can move text.
+ set completeopt-=menu wrap
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelDown>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_notequal(1, winsaveview().topline)
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelUp>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(1, winsaveview().topline)
+ set nowrap
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelRight>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_notequal(0, winsaveview().leftcol)
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelLeft>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(0, winsaveview().leftcol)
+ call feedkeys("ccT\<C-X>\<C-V>\<MouseMove>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+
+ " With completion menu scrolling cannot move text.
+ set completeopt+=menu wrap
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelDown>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(1, winsaveview().topline)
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelUp>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(1, winsaveview().topline)
+ set nowrap
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelRight>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(0, winsaveview().leftcol)
+ call feedkeys("ccT\<C-X>\<C-V>\<ScrollWheelLeft>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+ call assert_equal(0, winsaveview().leftcol)
+ call feedkeys("ccT\<C-X>\<C-V>\<MouseMove>\<C-V>", 'tx')
+ call assert_equal('TestCommand2', getline('.'))
+
+ bwipe!
+ set completeopt& wrap&
+endfunc
+
" Check that when using feedkeys() typeahead does not interrupt searching for
" completions.
func Test_compl_feedkeys()