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fix(api): more intuitive cursor updates in nvim_buf_set_text
Fixes #22526
This commit is contained in:
Sergey Slipchenko
@@ -848,6 +848,710 @@ describe('api/buf', function()
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eq({1, 4}, meths.win_get_cursor(win2))
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end)
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describe('when text is being added right at cursor position #22526', function()
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it('updates the cursor position in NORMAL mode', function()
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insert([[
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abcd]])
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-- position the cursor on 'c'
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curwin('set_cursor', {1, 2})
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-- add 'xxx' before 'c'
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set_text(0, 2, 0, 2, {'xxx'})
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eq({'abxxxcd'}, get_lines(0, -1, true))
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-- cursor should be on 'c'
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eq({1, 5}, curwin('get_cursor'))
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end)
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it('updates the cursor position only in non-current window when in INSERT mode', function()
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insert([[
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abcd]])
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-- position the cursor on 'c'
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curwin('set_cursor', {1, 2})
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-- open vertical split
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feed('<c-w>v')
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-- get into INSERT mode to treat cursor
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-- as being after 'b', not on 'c'
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feed('i')
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-- add 'xxx' between 'b' and 'c'
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set_text(0, 2, 0, 2, {'xxx'})
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eq({'abxxxcd'}, get_lines(0, -1, true))
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-- in the current window cursor should stay after 'b'
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eq({1, 2}, curwin('get_cursor'))
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-- quit INSERT mode
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feed('<esc>')
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-- close current window
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feed('<c-w>c')
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-- in another window cursor should be on 'c'
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eq({1, 5}, curwin('get_cursor'))
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end)
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end)
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describe('when text is being deleted right at cursor position', function()
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it('leaves cursor at the same position in NORMAL mode', function()
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insert([[
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abcd]])
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-- position the cursor on 'b'
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curwin('set_cursor', {1, 1})
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-- delete 'b'
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set_text(0, 1, 0, 2, {})
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eq({'acd'}, get_lines(0, -1, true))
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-- cursor is now on 'c'
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eq({1, 1}, curwin('get_cursor'))
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end)
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it('leaves cursor at the same position in INSERT mode in current and non-current window', function()
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insert([[
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abcd]])
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-- position the cursor on 'b'
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curwin('set_cursor', {1, 1})
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-- open vertical split
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feed('<c-w>v')
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-- get into INSERT mode to treat cursor
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-- as being after 'a', not on 'b'
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feed('i')
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-- delete 'b'
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set_text(0, 1, 0, 2, {})
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eq({'acd'}, get_lines(0, -1, true))
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-- cursor in the current window should stay after 'a'
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eq({1, 1}, curwin('get_cursor'))
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-- quit INSERT mode
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feed('<esc>')
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-- close current window
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feed('<c-w>c')
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-- cursor in non-current window should stay on 'c'
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eq({1, 1}, curwin('get_cursor'))
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end)
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end)
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describe('when cursor is inside replaced row range', function()
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it('keeps cursor at the same position if cursor is at start_row, but before start_col', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on ' ' before 'first'
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curwin('set_cursor', {1, 14})
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set_text(0, 15, 2, 11, {
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'the line we do not want',
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'but hopefully',
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})
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eq({
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'This should be the line we do not want',
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'but hopefully the last one',
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}, get_lines(0, -1, true))
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-- cursor should stay at the same position
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eq({1, 14}, curwin('get_cursor'))
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end)
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it('keeps cursor at the same position if cursor is at start_row and column is still valid', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'f' in 'first'
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curwin('set_cursor', {1, 15})
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set_text(0, 15, 2, 11, {
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'the line we do not want',
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'but hopefully',
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})
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eq({
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'This should be the line we do not want',
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'but hopefully the last one',
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}, get_lines(0, -1, true))
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-- cursor should stay at the same position
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eq({1, 15}, curwin('get_cursor'))
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end)
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it('adjusts cursor column to keep it valid if start_row got smaller', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 't' in 'first'
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curwin('set_cursor', {1, 19})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 24, {'last'})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ 'This should be last' }, get_lines(0, -1, true))
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-- cursor should end up on 't' in 'last'
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eq({1, 18}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 18}, cursor)
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end)
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it('adjusts cursor column to keep it valid if start_row got smaller in INSERT mode', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 't' in 'first'
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curwin('set_cursor', {1, 19})
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-- enter INSERT mode to treat cursor as being after 't'
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feed('a')
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 24, {'last'})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ 'This should be last' }, get_lines(0, -1, true))
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-- cursor should end up after 't' in 'last'
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eq({1, 19}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 19}, cursor)
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end)
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it('adjusts cursor column to keep it valid in a row after start_row if it got smaller', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'w' in 'want'
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curwin('set_cursor', {2, 31})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
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'1',
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'then 2',
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'and then',
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})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({
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'This should be 1',
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'then 2',
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'and then the last one',
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}, get_lines(0, -1, true))
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-- cursor column should end up at the end of a row
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eq({2, 5}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({2, 5}, cursor)
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end)
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it('adjusts cursor column to keep it valid in a row after start_row if it got smaller in INSERT mode', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'w' in 'want'
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curwin('set_cursor', {2, 31})
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-- enter INSERT mode
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feed('a')
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
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'1',
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'then 2',
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'and then',
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})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({
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'This should be 1',
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'then 2',
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'and then the last one',
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}, get_lines(0, -1, true))
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-- cursor column should end up at the end of a row
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eq({2, 6}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({2, 6}, cursor)
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end)
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it('adjusts cursor line and column to keep it inside replacement range', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'n' in 'finally'
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curwin('set_cursor', {3, 6})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
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'the line we do not want',
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'but hopefully',
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})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({
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'This should be the line we do not want',
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'but hopefully the last one',
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}, get_lines(0, -1, true))
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-- cursor should end up on 'y' in 'hopefully'
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-- to stay in the range, because it got smaller
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eq({2, 12}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({2, 12}, cursor)
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end)
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it('adjusts cursor line and column if replacement is empty', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'r' in 'there'
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curwin('set_cursor', {2, 8})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 12, {})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ 'This should be the last one' }, get_lines(0, -1, true))
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-- cursor should end up on the next column after deleted range
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eq({1, 15}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 15}, cursor)
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end)
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it('adjusts cursor line and column if replacement is empty and start_col == 0', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'r' in 'there'
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curwin('set_cursor', {2, 8})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 0, 2, 4, {})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ 'finally the last one' }, get_lines(0, -1, true))
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-- cursor should end up in column 0
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eq({1, 0}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 0}, cursor)
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end)
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it('adjusts cursor column if replacement ends at cursor row, after cursor column', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'y' in 'finally'
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curwin('set_cursor', {3, 10})
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set_text(0, 15, 2, 11, { '1', 'this 2', 'and then' })
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eq({
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'This should be 1',
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'this 2',
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'and then the last one',
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}, get_lines(0, -1, true))
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-- cursor should end up on 'n' in 'then'
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eq({3, 7}, curwin('get_cursor'))
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end)
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it('adjusts cursor column if replacement ends at cursor row, at cursor column in INSERT mode', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'y' at 'finally'
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curwin('set_cursor', {3, 10})
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-- enter INSERT mode to treat cursor as being between 'l' and 'y'
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feed('i')
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set_text(0, 15, 2, 11, { '1', 'this 2', 'and then' })
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eq({
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'This should be 1',
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'this 2',
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'and then the last one',
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}, get_lines(0, -1, true))
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-- cursor should end up after 'n' in 'then'
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eq({3, 8}, curwin('get_cursor'))
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end)
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it('adjusts cursor column if replacement is inside of a single line', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position the cursor on 'y' in 'finally'
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curwin('set_cursor', {3, 10})
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set_text(2, 4, 2, 11, { 'then' })
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eq({
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'This should be first',
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'then there is a line we do not want',
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'and then the last one',
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}, get_lines(0, -1, true))
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-- cursor should end up on 'n' in 'then'
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eq({3, 7}, curwin('get_cursor'))
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end)
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it('does not move cursor column after end of a line', function()
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insert([[
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This should be the only line here
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!!!]])
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-- position cursor on the last '1'
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curwin('set_cursor', {2, 2})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 33, 1, 3, {})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ 'This should be the only line here' }, get_lines(0, -1, true))
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-- cursor should end up on '!'
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eq({1, 32}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 32}, cursor)
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end)
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it('does not move cursor column before start of a line', function()
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insert('\n!!!')
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-- position cursor on the last '1'
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curwin('set_cursor', {2, 2})
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 0, 1, 3, {})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({ '' }, get_lines(0, -1, true))
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-- cursor should end up on '!'
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eq({1, 0}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({1, 0}, cursor)
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end)
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describe('with virtualedit', function()
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it('adjusts cursor line and column to keep it inside replacement range if cursor is not after eol', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position cursor on 't' in 'want'
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curwin('set_cursor', {2, 34})
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-- turn on virtualedit
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command('set virtualedit=all')
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
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'the line we do not want',
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'but hopefully',
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})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({
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'This should be the line we do not want',
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'but hopefully the last one',
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}, get_lines(0, -1, true))
|
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-- cursor should end up on 'y' in 'hopefully'
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-- to stay in the range
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eq({2, 12}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({2, 12}, cursor)
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-- coladd should be 0
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eq(0, exec_lua([[
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return vim.fn.winsaveview().coladd
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]]))
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end)
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it('does not change cursor screen column when cursor is after eol and row got shorter', function()
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insert([[
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This should be first
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then there is a line we do not want
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and finally the last one]])
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-- position cursor on 't' in 'want'
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curwin('set_cursor', {2, 34})
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-- turn on virtualedit
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command('set virtualedit=all')
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-- move cursor after eol
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exec_lua([[
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vim.fn.winrestview({ coladd = 5 })
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]])
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local cursor = exec_lua([[
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vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
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'the line we do not want',
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'but hopefully',
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})
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return vim.api.nvim_win_get_cursor(0)
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]])
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eq({
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'This should be the line we do not want',
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'but hopefully the last one',
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}, get_lines(0, -1, true))
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-- cursor should end up at eol of a new row
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eq({2, 26}, curwin('get_cursor'))
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-- immediate call to nvim_win_get_cursor should have returned the same position
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eq({2, 26}, cursor)
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-- coladd should be increased so that cursor stays in the same screen column
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eq(13, exec_lua([[
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return vim.fn.winsaveview().coladd
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]]))
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end)
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it('does not change cursor screen column when cursor is after eol and row got longer', function()
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insert([[
|
||||
This should be first
|
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then there is a line we do not want
|
||||
and finally the last one]])
|
||||
|
||||
-- position cursor on 't' in 'first'
|
||||
curwin('set_cursor', {1, 19})
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||||
-- turn on virtualedit
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command('set virtualedit=all')
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-- move cursor after eol
|
||||
exec_lua([[
|
||||
vim.fn.winrestview({ coladd = 21 })
|
||||
]])
|
||||
|
||||
local cursor = exec_lua([[
|
||||
vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
|
||||
'the line we do not want',
|
||||
'but hopefully',
|
||||
})
|
||||
return vim.api.nvim_win_get_cursor(0)
|
||||
]])
|
||||
|
||||
eq({
|
||||
'This should be the line we do not want',
|
||||
'but hopefully the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should end up at eol of a new row
|
||||
eq({1, 38}, curwin('get_cursor'))
|
||||
-- immediate call to nvim_win_get_cursor should have returned the same position
|
||||
eq({1, 38}, cursor)
|
||||
-- coladd should be increased so that cursor stays in the same screen column
|
||||
eq(2, exec_lua([[
|
||||
return vim.fn.winsaveview().coladd
|
||||
]]))
|
||||
end)
|
||||
|
||||
it('does not change cursor screen column when cursor is after eol and row extended past cursor column', function()
|
||||
insert([[
|
||||
This should be first
|
||||
then there is a line we do not want
|
||||
and finally the last one]])
|
||||
|
||||
-- position cursor on 't' in 'first'
|
||||
curwin('set_cursor', {1, 19})
|
||||
-- turn on virtualedit
|
||||
command('set virtualedit=all')
|
||||
-- move cursor after eol just a bit
|
||||
exec_lua([[
|
||||
vim.fn.winrestview({ coladd = 3 })
|
||||
]])
|
||||
|
||||
local cursor = exec_lua([[
|
||||
vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
|
||||
'the line we do not want',
|
||||
'but hopefully',
|
||||
})
|
||||
return vim.api.nvim_win_get_cursor(0)
|
||||
]])
|
||||
|
||||
eq({
|
||||
'This should be the line we do not want',
|
||||
'but hopefully the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should stay at the same screen column
|
||||
eq({1, 22}, curwin('get_cursor'))
|
||||
-- immediate call to nvim_win_get_cursor should have returned the same position
|
||||
eq({1, 22}, cursor)
|
||||
-- coladd should become 0
|
||||
eq(0, exec_lua([[
|
||||
return vim.fn.winsaveview().coladd
|
||||
]]))
|
||||
end)
|
||||
|
||||
it('does not change cursor screen column when cursor is after eol and row range decreased', function()
|
||||
insert([[
|
||||
This should be first
|
||||
then there is a line we do not want
|
||||
and one more
|
||||
and finally the last one]])
|
||||
|
||||
-- position cursor on 'e' in 'more'
|
||||
curwin('set_cursor', {3, 11})
|
||||
-- turn on virtualedit
|
||||
command('set virtualedit=all')
|
||||
-- move cursor after eol
|
||||
exec_lua([[
|
||||
vim.fn.winrestview({ coladd = 28 })
|
||||
]])
|
||||
|
||||
local cursor = exec_lua([[
|
||||
vim.api.nvim_buf_set_text(0, 0, 15, 3, 11, {
|
||||
'the line we do not want',
|
||||
'but hopefully',
|
||||
})
|
||||
return vim.api.nvim_win_get_cursor(0)
|
||||
]])
|
||||
|
||||
eq({
|
||||
'This should be the line we do not want',
|
||||
'but hopefully the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should end up at eol of a new row
|
||||
eq({2, 26}, curwin('get_cursor'))
|
||||
-- immediate call to nvim_win_get_cursor should have returned the same position
|
||||
eq({2, 26}, cursor)
|
||||
-- coladd should be increased so that cursor stays in the same screen column
|
||||
eq(13, exec_lua([[
|
||||
return vim.fn.winsaveview().coladd
|
||||
]]))
|
||||
end)
|
||||
end)
|
||||
end)
|
||||
|
||||
describe('when cursor is at end_row and after end_col', function()
|
||||
it('adjusts cursor column when only a newline is added or deleted', function()
|
||||
insert([[
|
||||
first line
|
||||
second
|
||||
line]])
|
||||
|
||||
-- position the cursor on 'i'
|
||||
curwin('set_cursor', {3, 2})
|
||||
set_text(1, 6, 2, 0, {})
|
||||
eq({'first line', 'second line'}, get_lines(0, -1, true))
|
||||
-- cursor should stay on 'i'
|
||||
eq({2, 8}, curwin('get_cursor'))
|
||||
|
||||
-- add a newline back
|
||||
set_text(1, 6, 1, 6, {'', ''})
|
||||
eq({'first line', 'second', ' line'}, get_lines(0, -1, true))
|
||||
-- cursor should return back to the original position
|
||||
eq({3, 2}, curwin('get_cursor'))
|
||||
end)
|
||||
|
||||
it('adjusts cursor column if the range is not bound to either start or end of a line', function()
|
||||
insert([[
|
||||
This should be first
|
||||
then there is a line we do not want
|
||||
and finally the last one]])
|
||||
|
||||
-- position the cursor on 'h' in 'the'
|
||||
curwin('set_cursor', {3, 13})
|
||||
set_text(0, 14, 2, 11, {})
|
||||
eq({'This should be the last one'}, get_lines(0, -1, true))
|
||||
-- cursor should stay on 'h'
|
||||
eq({1, 16}, curwin('get_cursor'))
|
||||
-- add deleted lines back
|
||||
set_text(0, 14, 0, 14, {
|
||||
' first',
|
||||
'then there is a line we do not want',
|
||||
'and finally',
|
||||
})
|
||||
eq({
|
||||
'This should be first',
|
||||
'then there is a line we do not want',
|
||||
'and finally the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should return back to the original position
|
||||
eq({3, 13}, curwin('get_cursor'))
|
||||
end)
|
||||
|
||||
it('adjusts cursor column if replacing lines in range, not just deleting and adding', function()
|
||||
insert([[
|
||||
This should be first
|
||||
then there is a line we do not want
|
||||
and finally the last one]])
|
||||
|
||||
-- position the cursor on 's' in 'last'
|
||||
curwin('set_cursor', {3, 18})
|
||||
set_text(0, 15, 2, 11, {
|
||||
'the line we do not want',
|
||||
'but hopefully',
|
||||
})
|
||||
|
||||
eq({
|
||||
'This should be the line we do not want',
|
||||
'but hopefully the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should stay on 's'
|
||||
eq({2, 20}, curwin('get_cursor'))
|
||||
|
||||
set_text(0, 15, 1, 13, {
|
||||
'first',
|
||||
'then there is a line we do not want',
|
||||
'and finally',
|
||||
})
|
||||
|
||||
eq({
|
||||
'This should be first',
|
||||
'then there is a line we do not want',
|
||||
'and finally the last one',
|
||||
}, get_lines(0, -1, true))
|
||||
-- cursor should return back to the original position
|
||||
eq({3, 18}, curwin('get_cursor'))
|
||||
end)
|
||||
|
||||
it('does not move cursor column after end of a line', function()
|
||||
insert([[
|
||||
This should be the only line here
|
||||
]])
|
||||
|
||||
-- position cursor at the empty line
|
||||
curwin('set_cursor', {2, 0})
|
||||
|
||||
local cursor = exec_lua([[
|
||||
vim.api.nvim_buf_set_text(0, 0, 33, 1, 0, {'!'})
|
||||
return vim.api.nvim_win_get_cursor(0)
|
||||
]])
|
||||
|
||||
eq({ 'This should be the only line here!' }, get_lines(0, -1, true))
|
||||
-- cursor should end up on '!'
|
||||
eq({1, 33}, curwin('get_cursor'))
|
||||
-- immediate call to nvim_win_get_cursor should have returned the same position
|
||||
eq({1, 33}, cursor)
|
||||
end)
|
||||
|
||||
it('does not move cursor column before start of a line', function()
|
||||
insert('\n')
|
||||
|
||||
eq({ '', '' }, get_lines(0, -1, true))
|
||||
|
||||
-- position cursor on the last '1'
|
||||
curwin('set_cursor', {2, 2})
|
||||
|
||||
local cursor = exec_lua([[
|
||||
vim.api.nvim_buf_set_text(0, 0, 0, 1, 0, {''})
|
||||
return vim.api.nvim_win_get_cursor(0)
|
||||
]])
|
||||
|
||||
eq({ '' }, get_lines(0, -1, true))
|
||||
-- cursor should end up on '!'
|
||||
eq({1, 0}, curwin('get_cursor'))
|
||||
-- immediate call to nvim_win_get_cursor should have returned the same position
|
||||
eq({1, 0}, cursor)
|
||||
end)
|
||||
end)
|
||||
|
||||
it('can handle NULs', function()
|
||||
set_text(0, 0, 0, 0, {'ab\0cd'})
|
||||
eq('ab\0cd', curbuf_depr('get_line', 0))
|
||||
|
||||
Reference in New Issue
Block a user