fix(input): only disable mapped CTRL-C interrupts when getting input (#18310)

test/functional/legacy/mapping_spec.lua

@@ -2,7 +2,7 @@
 
 local helpers = require('test.functional.helpers')(after_each)
 local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
-local feed_command, expect, poke_eventloop = helpers.feed_command, helpers.expect, helpers.poke_eventloop
+local expect, poke_eventloop = helpers.expect, helpers.poke_eventloop
 local command, eq, eval, meths = helpers.command, helpers.eq, helpers.eval, helpers.meths
 local sleep = helpers.sleep
 
@@ -15,7 +15,7 @@ describe('mapping', function()
       ]])
 
     -- Abbreviations with р (0x80) should work.
-    feed_command('inoreab чкпр   vim')
+    command('inoreab чкпр   vim')
     feed('GAчкпр <esc>')
 
     expect([[
@@ -25,17 +25,15 @@ describe('mapping', function()
 
   it('Ctrl-c works in Insert mode', function()
     -- Mapping of ctrl-c in insert mode
-    feed_command('set cpo-=< cpo-=k')
-    feed_command('inoremap <c-c> <ctrl-c>')
-    feed_command('cnoremap <c-c> dummy')
-    feed_command('cunmap <c-c>')
+    command('set cpo-=< cpo-=k')
+    command('inoremap <c-c> <ctrl-c>')
+    command('cnoremap <c-c> dummy')
+    command('cunmap <c-c>')
     feed('GA<cr>')
-    feed('TEST2: CTRL-C |')
+    -- XXX: editor must be in Insert mode before <C-C> is put into input buffer
     poke_eventloop()
-    feed('<c-c>A|<cr><esc>')
-    poke_eventloop()
-    feed_command('unmap <c-c>')
-    feed_command('unmap! <c-c>')
+    feed('TEST2: CTRL-C |<c-c>A|<cr><esc>')
+    command('unmap! <c-c>')
 
     expect([[
 
@@ -44,13 +42,12 @@ describe('mapping', function()
   end)
 
   it('Ctrl-c works in Visual mode', function()
-    feed_command([[vnoremap <c-c> :<C-u>$put ='vmap works'<cr>]])
+    command([[vnoremap <c-c> :<C-u>$put ='vmap works'<cr>]])
     feed('GV')
-    -- XXX: For some reason the mapping is only triggered
-    -- when <C-c> is in a separate feed command.
+    -- XXX: editor must be in Visual mode before <C-C> is put into input buffer
     poke_eventloop()
-    feed('<c-c>')
-    feed_command('vunmap <c-c>')
+    feed('vV<c-c>')
+    command('vunmap <c-c>')
 
     expect([[
 
@@ -59,23 +56,23 @@ describe('mapping', function()
 
   it('langmap', function()
     -- langmap should not get remapped in insert mode.
-    feed_command('inoremap { FAIL_ilangmap')
-    feed_command('set langmap=+{ langnoremap')
+    command('inoremap { FAIL_ilangmap')
+    command('set langmap=+{ langnoremap')
     feed('o+<esc>')
 
     -- Insert mode expr mapping with langmap.
-    feed_command('inoremap <expr> { "FAIL_iexplangmap"')
+    command('inoremap <expr> { "FAIL_iexplangmap"')
     feed('o+<esc>')
 
     -- langmap should not get remapped in cmdline mode.
-    feed_command('cnoremap { FAIL_clangmap')
+    command('cnoremap { FAIL_clangmap')
     feed('o+<esc>')
-    feed_command('cunmap {')
+    command('cunmap {')
 
     -- cmdline mode expr mapping with langmap.
-    feed_command('cnoremap <expr> { "FAIL_cexplangmap"')
+    command('cnoremap <expr> { "FAIL_cexplangmap"')
     feed('o+<esc>')
-    feed_command('cunmap {')
+    command('cunmap {')
 
     -- Assert buffer contents.
     expect([[
@@ -93,10 +90,10 @@ describe('mapping', function()
       ]])
 
     -- Vim's issue #212 (feedkeys insert mapping at current position)
-    feed_command('nnoremap . :call feedkeys(".", "in")<cr>')
+    command('nnoremap . :call feedkeys(".", "in")<cr>')
     feed('/^a b<cr>')
     feed('0qqdw.ifoo<esc>qj0@q<esc>')
-    feed_command('unmap .')
+    command('unmap .')
     expect([[
       fooc d
       fooc d
@@ -105,15 +102,15 @@ describe('mapping', function()
 
   it('i_CTRL-G_U', function()
     -- <c-g>U<cursor> works only within a single line
-    feed_command('imapclear')
-    feed_command('imap ( ()<c-g>U<left>')
+    command('imapclear')
+    command('imap ( ()<c-g>U<left>')
     feed('G2o<esc>ki<cr>Test1: text with a (here some more text<esc>k.')
     -- test undo
     feed('G2o<esc>ki<cr>Test2: text wit a (here some more text [und undo]<c-g>u<esc>k.u')
-    feed_command('imapclear')
-    feed_command('set whichwrap=<,>,[,]')
+    command('imapclear')
+    command('set whichwrap=<,>,[,]')
     feed('G3o<esc>2k')
-    feed_command([[:exe ":norm! iTest3: text with a (parenthesis here\<C-G>U\<Right>new line here\<esc>\<up>\<up>."]])
+    command([[:exe ":norm! iTest3: text with a (parenthesis here\<C-G>U\<Right>new line here\<esc>\<up>\<up>."]])
 
     expect([[