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fix(statusline): overwriting stl_items with nvim_eval_statusline() {-item #32265
Problem:
When an evaluation {-item calls `nvim_eval_statusline()`, that nested
call may overwrite the same memory used for `stl_items`.
Solution:
Make `curitem` static and use it to compute an offset to avoid
overwriting `stl_items` in nested calls to `build_stl_str_hl()`. Move
miscellaneous statusline tests into `describe()` block.
This commit is contained in:
luukvbaal
GitHub
parent
77be44563a
commit
87e806186c
@ -927,6 +927,7 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, OptIndex op
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static stl_hlrec_t *stl_hltab = NULL;
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static stl_hlrec_t *stl_hltab = NULL;
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static StlClickRecord *stl_tabtab = NULL;
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static StlClickRecord *stl_tabtab = NULL;
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static int *stl_separator_locations = NULL;
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static int *stl_separator_locations = NULL;
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static int curitem = 0;
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#define TMPLEN 70
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#define TMPLEN 70
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char buf_tmp[TMPLEN];
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char buf_tmp[TMPLEN];
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@ -1013,7 +1014,11 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, OptIndex op
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int groupdepth = 0;
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int groupdepth = 0;
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int evaldepth = 0;
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int evaldepth = 0;
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int curitem = 0;
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// nvim_eval_statusline() can be called from inside a {-expression item so
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// this may be a recursive call. Keep track of the start index into "stl_items".
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// During post-processing only treat items filled in a certain recursion level.
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int evalstart = curitem;
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bool prevchar_isflag = true;
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bool prevchar_isflag = true;
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bool prevchar_isitem = false;
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bool prevchar_isitem = false;
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@ -1949,7 +1954,9 @@ stcsign:
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}
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}
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*out_p = NUL;
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*out_p = NUL;
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int itemcnt = curitem;
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// Subtract offset from `itemcnt` and restore `curitem` to previous recursion level.
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int itemcnt = curitem - evalstart;
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curitem = evalstart;
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// Free the format buffer if we allocated it internally
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// Free the format buffer if we allocated it internally
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if (usefmt != fmt) {
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if (usefmt != fmt) {
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@ -1975,7 +1982,7 @@ stcsign:
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trunc_p = stl_items[0].start;
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trunc_p = stl_items[0].start;
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item_idx = 0;
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item_idx = 0;
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for (int i = 0; i < itemcnt; i++) {
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for (int i = evalstart; i < itemcnt + evalstart; i++) {
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if (stl_items[i].type == Trunc) {
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if (stl_items[i].type == Trunc) {
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// Truncate at %< stl_items.
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// Truncate at %< stl_items.
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trunc_p = stl_items[i].start;
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trunc_p = stl_items[i].start;
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@ -2005,9 +2012,9 @@ stcsign:
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// Ignore any items in the statusline that occur after
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// Ignore any items in the statusline that occur after
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// the truncation point
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// the truncation point
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for (int i = 0; i < itemcnt; i++) {
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for (int i = evalstart; i < itemcnt + evalstart; i++) {
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if (stl_items[i].start > trunc_p) {
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if (stl_items[i].start > trunc_p) {
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for (int j = i; j < itemcnt; j++) {
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for (int j = i; j < itemcnt + evalstart; j++) {
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if (stl_items[j].type == ClickFunc) {
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if (stl_items[j].type == ClickFunc) {
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XFREE_CLEAR(stl_items[j].cmd);
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XFREE_CLEAR(stl_items[j].cmd);
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}
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}
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@ -2046,7 +2053,7 @@ stcsign:
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// the truncation marker `<` is not counted.
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// the truncation marker `<` is not counted.
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int item_offset = trunc_len - 1;
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int item_offset = trunc_len - 1;
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for (int i = item_idx; i < itemcnt; i++) {
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for (int i = item_idx; i < itemcnt + evalstart; i++) {
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// Items starting at or after the end of the truncated section need
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// Items starting at or after the end of the truncated section need
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// to be moved backwards.
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// to be moved backwards.
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if (stl_items[i].start >= trunc_end_p) {
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if (stl_items[i].start >= trunc_end_p) {
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@ -2079,7 +2086,7 @@ stcsign:
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// Find how many separators there are, which we will use when
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// Find how many separators there are, which we will use when
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// figuring out how many groups there are.
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// figuring out how many groups there are.
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int num_separators = 0;
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int num_separators = 0;
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for (int i = 0; i < itemcnt; i++) {
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for (int i = evalstart; i < itemcnt + evalstart; i++) {
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if (stl_items[i].type == Separate) {
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if (stl_items[i].type == Separate) {
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// Create an array of the start location for each separator mark.
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// Create an array of the start location for each separator mark.
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stl_separator_locations[num_separators] = i;
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stl_separator_locations[num_separators] = i;
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@ -2104,7 +2111,7 @@ stcsign:
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}
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}
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for (int item_idx = stl_separator_locations[l] + 1;
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for (int item_idx = stl_separator_locations[l] + 1;
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item_idx < itemcnt;
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item_idx < itemcnt + evalstart;
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item_idx++) {
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item_idx++) {
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stl_items[item_idx].start += dislocation;
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stl_items[item_idx].start += dislocation;
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}
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}
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@ -2118,7 +2125,7 @@ stcsign:
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if (hltab != NULL) {
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if (hltab != NULL) {
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*hltab = stl_hltab;
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*hltab = stl_hltab;
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stl_hlrec_t *sp = stl_hltab;
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stl_hlrec_t *sp = stl_hltab;
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for (int l = 0; l < itemcnt; l++) {
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for (int l = evalstart; l < itemcnt + evalstart; l++) {
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if (stl_items[l].type == Highlight
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if (stl_items[l].type == Highlight
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|| stl_items[l].type == HighlightFold || stl_items[l].type == HighlightSign) {
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|| stl_items[l].type == HighlightFold || stl_items[l].type == HighlightSign) {
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sp->start = stl_items[l].start;
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sp->start = stl_items[l].start;
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@ -2139,7 +2146,7 @@ stcsign:
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if (tabtab != NULL) {
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if (tabtab != NULL) {
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*tabtab = stl_tabtab;
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*tabtab = stl_tabtab;
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StlClickRecord *cur_tab_rec = stl_tabtab;
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StlClickRecord *cur_tab_rec = stl_tabtab;
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for (int l = 0; l < itemcnt; l++) {
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for (int l = evalstart; l < itemcnt + evalstart; l++) {
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if (stl_items[l].type == TabPage) {
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if (stl_items[l].type == TabPage) {
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cur_tab_rec->start = stl_items[l].start;
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cur_tab_rec->start = stl_items[l].start;
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if (stl_items[l].minwid == 0) {
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if (stl_items[l].minwid == 0) {
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@ -507,268 +507,263 @@ describe('global statusline', function()
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end)
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end)
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end)
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end)
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it('statusline does not crash if it has Arabic characters #19447', function()
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describe('statusline', function()
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clear()
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local screen
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api.nvim_set_option_value('statusline', 'غً', {})
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before_each(function()
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api.nvim_set_option_value('laststatus', 2, {})
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clear()
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command('redraw!')
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screen = Screen.new(40, 8)
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assert_alive()
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screen:add_extra_attr_ids {
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end)
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[100] = { bold = true, reverse = true, foreground = Screen.colors.Blue },
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[101] = { reverse = true, bold = true, foreground = Screen.colors.SlateBlue },
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it('statusline is redrawn with :resize from <Cmd> mapping #19629', function()
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}
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clear()
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end)
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local screen = Screen.new(40, 8)
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exec([[
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it('does not crash if it has Arabic characters #19447', function()
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set laststatus=2
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api.nvim_set_option_value('statusline', 'غً', {})
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nnoremap <Up> <cmd>resize -1<CR>
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api.nvim_set_option_value('laststatus', 2, {})
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nnoremap <Down> <cmd>resize +1<CR>
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command('redraw!')
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]])
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assert_alive()
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feed('<Up>')
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end)
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screen:expect([[
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^ |
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it('is redrawn with :resize from <Cmd> mapping #19629', function()
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{1:~ }|*4
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exec([[
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{3:[No Name] }|
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set laststatus=2
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|*2
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nnoremap <Up> <cmd>resize -1<CR>
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]])
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nnoremap <Down> <cmd>resize +1<CR>
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feed('<Down>')
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]])
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screen:expect([[
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feed('<Up>')
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^ |
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screen:expect([[
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{1:~ }|*5
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^ |
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{3:[No Name] }|
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{1:~ }|*4
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{3:[No Name] }|
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]])
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|*2
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end)
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]])
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feed('<Down>')
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it('showcmdloc=statusline does not show if statusline is too narrow', function()
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screen:expect([[
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clear()
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^ |
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local screen = Screen.new(40, 8)
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{1:~ }|*5
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command('set showcmd')
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{3:[No Name] }|
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command('set showcmdloc=statusline')
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command('1vsplit')
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]])
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screen:expect([[
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end)
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^ │ |
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{1:~}│{1:~ }|*5
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it('does not contain showmcd with showcmdloc=statusline when too narrow', function()
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{3:< }{2:[No Name] }|
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command('set showcmd')
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command('set showcmdloc=statusline')
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]])
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command('1vsplit')
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feed('1234')
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screen:expect([[
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screen:expect_unchanged()
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^ │ |
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end)
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{1:~}│{1:~ }|*5
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{3:< }{2:[No Name] }|
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it('K_EVENT does not trigger a statusline redraw unnecessarily', function()
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clear()
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]])
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local _ = Screen.new(40, 8)
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feed('1234')
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-- does not redraw on vim.schedule (#17937)
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screen:expect_unchanged()
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command([[
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end)
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set laststatus=2
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let g:counter = 0
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it('does not redraw unnecessarily after K_EVENT', function()
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func Status()
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-- does not redraw on vim.schedule (#17937)
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let g:counter += 1
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command([[
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lua vim.schedule(function() end)
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set laststatus=2
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return g:counter
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let g:counter = 0
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endfunc
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func Status()
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set statusline=%!Status()
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let g:counter += 1
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]])
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lua vim.schedule(function() end)
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sleep(50)
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return g:counter
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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endfunc
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-- also in insert mode
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set statusline=%!Status()
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feed('i')
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]])
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sleep(50)
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sleep(50)
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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-- does not redraw on timer call (#14303)
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-- also in insert mode
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command([[
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feed('i')
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let g:counter = 0
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sleep(50)
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func Timer(timer)
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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endfunc
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-- does not redraw on timer call (#14303)
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call timer_start(1, 'Timer', {'repeat': 100})
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command([[
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]])
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let g:counter = 0
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sleep(50)
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func Timer(timer)
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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endfunc
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end)
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call timer_start(1, 'Timer', {'repeat': 100})
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]])
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it('statusline is redrawn on various state changes', function()
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sleep(50)
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clear()
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eq(1, eval('g:counter < 50'), 'g:counter=' .. eval('g:counter'))
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local screen = Screen.new(40, 4)
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end)
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-- recording state change #22683
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it('is redrawn on various state changes', function()
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command('set ls=2 stl=%{repeat(reg_recording(),5)}')
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-- recording state change #22683
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screen:expect([[
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command('set ls=2 stl=%{repeat(reg_recording(),5)}')
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^ |
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local s1 = [[
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{1:~ }|
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^ |
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{3: }|
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{1:~ }|*5
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{3: }|
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]])
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feed('qQ')
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]]
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screen:expect([[
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screen:expect(s1)
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^ |
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feed('qQ')
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{1:~ }|
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screen:expect([[
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{3:QQQQQ }|
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^ |
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{5:recording @Q} |
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{1:~ }|*5
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]])
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{3:QQQQQ }|
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feed('q')
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{5:recording @Q} |
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screen:expect([[
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]])
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^ |
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feed('q')
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{1:~ }|
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screen:expect(s1)
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{3: }|
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-- Visual mode change #23932
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]])
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command('set ls=2 stl=%{mode(1)}')
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local s2 = [[
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-- Visual mode change #23932
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^ |
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command('set ls=2 stl=%{mode(1)}')
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{1:~ }|*5
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screen:expect([[
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{3:n }|
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^ |
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{1:~ }|
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]]
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{3:n }|
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screen:expect(s2)
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feed('v')
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]])
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screen:expect([[
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feed('v')
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^ |
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screen:expect([[
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{1:~ }|*5
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^ |
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{3:v }|
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{1:~ }|
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{5:-- VISUAL --} |
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{3:v }|
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]])
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{5:-- VISUAL --} |
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feed('V')
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]])
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screen:expect([[
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feed('V')
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^ |
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screen:expect([[
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{1:~ }|*5
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^ |
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{3:V }|
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{1:~ }|
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{5:-- VISUAL LINE --} |
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{3:V }|
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]])
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{5:-- VISUAL LINE --} |
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feed('<C-V>')
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]])
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screen:expect([[
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feed('<C-V>')
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^ |
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screen:expect([[
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{1:~ }|*5
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^ |
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{3:^V }|
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{1:~ }|
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{5:-- VISUAL BLOCK --} |
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{3:^V }|
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]])
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{5:-- VISUAL BLOCK --} |
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feed('<Esc>')
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]])
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screen:expect(s2)
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feed('<Esc>')
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end)
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screen:expect([[
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^ |
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it('ruler is redrawn in cmdline with redrawstatus #22804', function()
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{1:~ }|
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command([[
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{3:n }|
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let g:n = 'initial value'
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set ls=1 ru ruf=%{g:n}
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]])
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redraw
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end)
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let g:n = 'other value'
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redrawstatus
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it('ruler is redrawn in cmdline with redrawstatus #22804', function()
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]])
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clear()
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screen:expect([[
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local screen = Screen.new(40, 2)
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^ |
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command([[
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{1:~ }|*6
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let g:n = 'initial value'
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other value |
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set ls=1 ru ruf=%{g:n}
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]])
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redraw
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end)
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let g:n = 'other value'
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redrawstatus
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it('hidden moves ruler to cmdline', function()
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]])
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-- Use long ruler to check 'ruler' with 'rulerformat' set has correct width.
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screen:expect([[
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command [[
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^ |
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set ruler rulerformat=%{winnr()}longlonglong ls=0 winwidth=10
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other value |
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split
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]])
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wincmd b
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end)
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vsplit
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wincmd t
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it('shows correct ruler in cmdline with no statusline', function()
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wincmd |
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clear()
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mode
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local screen = Screen.new(30, 8)
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]]
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-- Use long ruler to check 'ruler' with 'rulerformat' set has correct width.
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-- Window 1 is current. It has a statusline, so cmdline should show the
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command [[
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-- last window's ruler, which has no statusline.
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set ruler rulerformat=%{winnr()}longlonglong ls=0 winwidth=10
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command '1wincmd w'
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split
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screen:expect([[
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wincmd b
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^ |
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vsplit
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{1:~ }|*2
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wincmd t
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{3:[No Name] 1longlonglong }|
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wincmd |
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│ |
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mode
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{1:~ }│{1:~ }|*2
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]]
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3longlonglong |
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-- Window 1 is current. It has a statusline, so cmdline should show the
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]])
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-- last window's ruler, which has no statusline.
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-- Window 2 is current. It has no statusline, so cmdline should show its
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command '1wincmd w'
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-- ruler instead.
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screen:expect [[
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command '2wincmd w'
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^ |
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screen:expect([[
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||||||
{1:~ }|*2
|
|
|
||||||
{3:[No Name] 1longlonglong }|
|
{1:~ }|*2
|
||||||
│ |
|
{2:[No Name] 1longlonglong }|
|
||||||
{1:~ }│{1:~ }|*2
|
^ │ |
|
||||||
3longlonglong |
|
{1:~ }│{1:~ }|*2
|
||||||
]]
|
2longlonglong |
|
||||||
-- Window 2 is current. It has no statusline, so cmdline should show its
|
]])
|
||||||
-- ruler instead.
|
-- Window 3 is current. Cmdline should again show its ruler.
|
||||||
command '2wincmd w'
|
command '3wincmd w'
|
||||||
screen:expect [[
|
screen:expect([[
|
||||||
|
|
|
|
||||||
{1:~ }|*2
|
{1:~ }|*2
|
||||||
{2:[No Name] 1longlonglong }|
|
{2:[No Name] 1longlonglong }|
|
||||||
^ │ |
|
│^ |
|
||||||
{1:~ }│{1:~ }|*2
|
{1:~ }│{1:~ }|*2
|
||||||
2longlonglong |
|
3longlonglong |
|
||||||
]]
|
]])
|
||||||
-- Window 3 is current. Cmdline should again show its ruler.
|
end)
|
||||||
command '3wincmd w'
|
|
||||||
screen:expect [[
|
it('uses "stl" and "stlnc" fillchars even if they are the same #19803', function()
|
||||||
|
|
command('hi clear StatusLine')
|
||||||
{1:~ }|*2
|
command('hi clear StatusLineNC')
|
||||||
{2:[No Name] 1longlonglong }|
|
command('vsplit')
|
||||||
│^ |
|
screen:expect([[
|
||||||
{1:~ }│{1:~ }|*2
|
^ │ |
|
||||||
3longlonglong |
|
{1:~ }│{1:~ }|*5
|
||||||
]]
|
[No Name] [No Name] |
|
||||||
end)
|
|
|
||||||
|
]])
|
||||||
it('uses "stl" and "stlnc" fillchars even if they are the same #19803', function()
|
end)
|
||||||
clear()
|
|
||||||
local screen = Screen.new(53, 4)
|
it('showcmdloc=statusline works with vertical splits', function()
|
||||||
command('hi clear StatusLine')
|
command('rightbelow vsplit')
|
||||||
command('hi clear StatusLineNC')
|
command('set showcmd showcmdloc=statusline')
|
||||||
command('vsplit')
|
feed('1234')
|
||||||
screen:expect {
|
screen:expect([[
|
||||||
grid = [[
|
│^ |
|
||||||
^ │ |
|
{1:~ }│{1:~ }|*5
|
||||||
{1:~ }│{1:~ }|
|
{2:[No Name] }{3:[No Name] 1234 }|
|
||||||
[No Name] [No Name] |
|
|
|
||||||
|
|
]])
|
||||||
]],
|
feed('<Esc>')
|
||||||
}
|
command('set laststatus=3')
|
||||||
end)
|
feed('1234')
|
||||||
|
screen:expect([[
|
||||||
it('showcmdloc=statusline works with vertical splits', function()
|
│^ |
|
||||||
clear()
|
{1:~ }│{1:~ }|*5
|
||||||
local screen = Screen.new(53, 4)
|
{3:[No Name] 1234 }|
|
||||||
command('rightbelow vsplit')
|
|
|
||||||
command('set showcmd showcmdloc=statusline')
|
]])
|
||||||
feed('1234')
|
end)
|
||||||
screen:expect([[
|
|
||||||
│^ |
|
it('keymap is shown with vertical splits #27269', function()
|
||||||
{1:~ }│{1:~ }|
|
command('setlocal keymap=dvorak')
|
||||||
{2:[No Name] }{3:[No Name] 1234 }|
|
command('rightbelow vsplit')
|
||||||
|
|
screen:expect([[
|
||||||
]])
|
│^ |
|
||||||
feed('<Esc>')
|
{1:~ }│{1:~ }|*5
|
||||||
command('set laststatus=3')
|
{2:[No Name] <en-dv> }{3:[No Name] <en-dv> }|
|
||||||
feed('1234')
|
|
|
||||||
screen:expect([[
|
]])
|
||||||
│^ |
|
|
||||||
{1:~ }│{1:~ }|
|
command('set laststatus=3')
|
||||||
{3:[No Name] 1234 }|
|
screen:expect([[
|
||||||
|
|
│^ |
|
||||||
]])
|
{1:~ }│{1:~ }|*5
|
||||||
end)
|
{3:[No Name] <en-dv> }|
|
||||||
|
|
|
||||||
it('keymap is shown with vertical splits #27269', function()
|
]])
|
||||||
clear()
|
end)
|
||||||
local screen = Screen.new(53, 4)
|
|
||||||
command('setlocal keymap=dvorak')
|
it("nested call from nvim_eval_statusline() doesn't overwrite items #32259", function()
|
||||||
command('rightbelow vsplit')
|
exec_lua('vim.o.laststatus = 2')
|
||||||
screen:expect([[
|
exec_lua([[vim.o.statusline = '%#Special#B:%{nvim_eval_statusline("%f", []).str}']])
|
||||||
│^ |
|
screen:expect([[
|
||||||
{1:~ }│{1:~ }|
|
^ |
|
||||||
{2:[No Name] <en-dv> }{3:[No Name] <en-dv> }|
|
{1:~ }|*5
|
||||||
|
|
{101:B:[No Name] }|
|
||||||
]])
|
|
|
||||||
command('set laststatus=3')
|
]])
|
||||||
screen:expect([[
|
end)
|
||||||
│^ |
|
|
||||||
{1:~ }│{1:~ }|
|
|
||||||
{3:[No Name] <en-dv> }|
|
|
||||||
|
|
|
||||||
]])
|
|
||||||
end)
|
end)
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user