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feat(float): implement footer

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Problem: Now way to show text at the bottom part of floating window
  border (a.k.a. "footer").

Solution: Allows `footer` and `footer_pos` config fields similar to
  `title` and `title_pos`.
This commit is contained in:
Evgeni Chasnovski
2023-08-25 10:53:35 +03:00
parent 617fd5bdc6
commit 35570e4a11
10 changed files with 514 additions and 22 deletions
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17
runtime/doc/api.txt
View File

@@ -3138,11 +3138,18 @@ nvim_open_win({buffer}, {enter}, {*config}) *nvim_open_win()*
specified by character: [ ["+", "MyCorner"], ["x",
"MyBorder"] ].
• title: Title (optional) in window border, String or list.
List is [text, highlight] tuples. if is string the default
highlight group is `FloatTitle`.
• title_pos: Title position must set with title option.
value can be of `left` `center` `right` default is left.
• title: Title (optional) in window border, string or list.
List should consist of `[text, highlight]` tuples. If
string, the default highlight group is `FloatTitle`.
• title_pos: Title position. Must be set with `title`
option. Value can be one of "left", "center", or "right".
Default is `"left"`.
• footer: Footer (optional) in window border, string or
list. List should consist of `[text, highlight]` tuples.
If string, the default highlight group is `FloatTitle`.
• footer_pos: Footer position. Must be set with `footer`
option. Value can be one of "left", "center", or "right".
Default is `"left"`.
• noautocmd: If true then no buffer-related autocommand
events such as |BufEnter|, |BufLeave| or |BufWinEnter| may
fire from calling this function.

3
runtime/doc/news.txt
View File

@@ -155,6 +155,9 @@ The following new APIs and features were added.
• New RPC client type `msgpack-rpc` is added for `nvim_set_client_info` to
support fully MessagePack-RPC compliant clients.
• Floating windows can now show footer with new `footer` and `footer_pos`
config fields.
==============================================================================
CHANGED FEATURES *news-changed*

17
runtime/lua/vim/_meta/api.lua generated
View File

@@ -1551,11 +1551,18 @@ function vim.api.nvim_open_term(buffer, opts) end
--- specified by character: [ ["+", "MyCorner"], ["x",
--- "MyBorder"] ].
---
--- • title: Title (optional) in window border, String or list.
--- List is [text, highlight] tuples. if is string the default
--- highlight group is `FloatTitle`.
--- • title_pos: Title position must set with title option.
--- value can be of `left` `center` `right` default is left.
--- • title: Title (optional) in window border, string or list.
--- List should consist of `[text, highlight]` tuples. If
--- string, the default highlight group is `FloatTitle`.
--- • title_pos: Title position. Must be set with `title`
--- option. Value can be one of "left", "center", or "right".
--- Default is `"left"`.
--- • footer: Footer (optional) in window border, string or
--- list. List should consist of `[text, highlight]` tuples.
--- If string, the default highlight group is `FloatTitle`.
--- • footer_pos: Footer position. Must be set with `footer`
--- option. Value can be one of "left", "center", or "right".
--- Default is `"left"`.
--- • noautocmd: If true then no buffer-related autocommand
--- events such as `BufEnter`, `BufLeave` or `BufWinEnter` may
--- fire from calling this function.

2
runtime/lua/vim/_meta/api_keysets.lua generated
View File

@@ -108,6 +108,8 @@ error('Cannot require a meta file')
--- @field border? any
--- @field title? any
--- @field title_pos? string
--- @field footer? any
--- @field footer_pos? string
--- @field style? string
--- @field noautocmd? boolean

2
src/nvim/api/keysets.h
View File

@@ -99,6 +99,8 @@ typedef struct {
Object border;
Object title;
String title_pos;
Object footer;
String footer_pos;
String style;
Boolean noautocmd;
} Dict(float_config);

83
src/nvim/api/win_config.c
View File

@@ -145,11 +145,18 @@
/// By default, `FloatBorder` highlight is used, which links to `WinSeparator`
/// when not defined. It could also be specified by character:
/// [ ["+", "MyCorner"], ["x", "MyBorder"] ].
/// - title: Title (optional) in window border, String or list.
/// List is [text, highlight] tuples. if is string the default
/// highlight group is `FloatTitle`.
/// - title_pos: Title position must set with title option.
/// value can be of `left` `center` `right` default is left.
/// - title: Title (optional) in window border, string or list.
/// List should consist of `[text, highlight]` tuples.
/// If string, the default highlight group is `FloatTitle`.
/// - title_pos: Title position. Must be set with `title` option.
/// Value can be one of "left", "center", or "right".
/// Default is `"left"`.
/// - footer: Footer (optional) in window border, string or list.
/// List should consist of `[text, highlight]` tuples.
/// If string, the default highlight group is `FloatTitle`.
/// - footer_pos: Footer position. Must be set with `footer` option.
/// Value can be one of "left", "center", or "right".
/// Default is `"left"`.
/// - noautocmd: If true then no buffer-related autocommand events such as
/// |BufEnter|, |BufLeave| or |BufWinEnter| may fire from
/// calling this function.
@@ -247,11 +254,19 @@ Dictionary config_put_bordertext(Dictionary config, FloatConfig *fconfig,
AlignTextPos align;
char *field_name;
char *field_pos_name;
if (bordertext_type == kBorderTextTitle) {
switch (bordertext_type) {
case kBorderTextTitle:
chunks = fconfig->title_chunks;
align = fconfig->title_pos;
field_name = "title";
field_pos_name = "title_pos";
break;
case kBorderTextFooter:
chunks = fconfig->footer_chunks;
align = fconfig->footer_pos;
field_name = "footer";
field_pos_name = "footer_pos";
break;
}
Array bordertext = ARRAY_DICT_INIT;
@@ -345,6 +360,9 @@ Dictionary nvim_win_get_config(Window window, Error *err)
if (config->title) {
rv = config_put_bordertext(rv, config, kBorderTextTitle);
}
if (config->footer) {
rv = config_put_bordertext(rv, config, kBorderTextFooter);
}
}
}
@@ -410,10 +428,17 @@ static void parse_bordertext(Object bordertext, BorderTextType bordertext_type,
bool *is_present;
VirtText *chunks;
int *width;
if (bordertext_type == kBorderTextTitle) {
switch (bordertext_type) {
case kBorderTextTitle:
is_present = &fconfig->title;
chunks = &fconfig->title_chunks;
width = &fconfig->title_width;
break;
case kBorderTextFooter:
is_present = &fconfig->footer;
chunks = &fconfig->footer_chunks;
width = &fconfig->footer_width;
break;
}
if (bordertext.type == kObjectTypeString) {
@@ -449,8 +474,13 @@ static bool parse_bordertext_pos(String bordertext_pos, BorderTextType bordertex
FloatConfig *fconfig, Error *err)
{
AlignTextPos *align;
if (bordertext_type == kBorderTextTitle) {
switch (bordertext_type) {
case kBorderTextTitle:
align = &fconfig->title_pos;
break;
case kBorderTextFooter:
align = &fconfig->footer_pos;
break;
}
if (bordertext_pos.size == 0) {
@@ -467,8 +497,13 @@ static bool parse_bordertext_pos(String bordertext_pos, BorderTextType bordertex
} else if (strequal(pos, "right")) {
*align = kAlignRight;
} else {
if (bordertext_type == kBorderTextTitle) {
switch (bordertext_type) {
case kBorderTextTitle:
api_set_error(err, kErrorTypeValidation, "invalid title_pos value");
break;
case kBorderTextFooter:
api_set_error(err, kErrorTypeValidation, "invalid footer_pos value");
break;
}
return false;
}
@@ -559,8 +594,9 @@ static void parse_border_style(Object style, FloatConfig *fconfig, Error *err)
String str = style.data.string;
if (str.size == 0 || strequal(str.data, "none")) {
fconfig->border = false;
// title does not work with border equal none
// border text does not work with border equal none
fconfig->title = false;
fconfig->footer = false;
return;
}
for (size_t i = 0; defaults[i].name; i++) {
@@ -750,6 +786,33 @@ static bool parse_float_config(Dict(float_config) *config, FloatConfig *fconfig,
}
}
if (HAS_KEY_X(config, footer)) {
// footer only work with border
if (!HAS_KEY_X(config, border) && !fconfig->border) {
api_set_error(err, kErrorTypeException, "footer requires border to be set");
return false;
}
if (fconfig->footer) {
clear_virttext(&fconfig->footer_chunks);
}
parse_bordertext(config->footer, kBorderTextFooter, fconfig, err);
if (ERROR_SET(err)) {
return false;
}
// handles unset 'footer_pos' same as empty string
if (!parse_bordertext_pos(config->footer_pos, kBorderTextFooter, fconfig, err)) {
return false;
}
} else {
if (HAS_KEY_X(config, footer_pos)) {
api_set_error(err, kErrorTypeException, "footer_pos requires footer to be set");
return false;
}
}
if (HAS_KEY_X(config, border)) {
parse_border_style(config->border, fconfig, err);
if (ERROR_SET(err)) {

7
src/nvim/buffer_defs.h
View File

@@ -938,6 +938,7 @@ typedef enum {
typedef enum {
kBorderTextTitle = 0,
kBorderTextFooter = 1,
} BorderTextType;
typedef struct {
@@ -952,14 +953,18 @@ typedef struct {
int zindex;
WinStyle style;
bool border;
bool title;
bool shadow;
schar_T border_chars[8];
int border_hl_ids[8];
int border_attr[8];
bool title;
AlignTextPos title_pos;
VirtText title_chunks;
int title_width;
bool footer;
AlignTextPos footer_pos;
VirtText footer_chunks;
int footer_width;
bool noautocmd;
} FloatConfig;

7
src/nvim/drawscreen.c
View File

@@ -782,10 +782,17 @@ static void win_redr_border(win_T *wp)
if (adj[3]) {
grid_put_schar(grid, irow + adj[0], 0, chars[6], attrs[6]);
}
for (int i = 0; i < icol; i++) {
int ic = (i == 0 && !adj[3] && chars[6][0]) ? 6 : 5;
grid_put_schar(grid, irow + adj[0], i + adj[3], chars[ic], attrs[ic]);
}
if (wp->w_float_config.footer) {
int footer_col = win_get_bordertext_col(icol, wp->w_float_config.footer_width,
wp->w_float_config.footer_pos);
win_redr_bordertext(wp, grid, wp->w_float_config.footer_chunks, grid->rows - 1, footer_col);
}
if (adj[1]) {
grid_put_schar(grid, irow + adj[0], icol + adj[3], chars[4], attrs[4]);
}

3
src/nvim/window.c
View File

@@ -5239,8 +5239,9 @@ static void win_free(win_T *wp, tabpage_T *tp)
}
}
// free the border title text
// free the border text
clear_virttext(&wp->w_float_config.title_chunks);
clear_virttext(&wp->w_float_config.footer_chunks);
clear_matches(wp);

395
test/functional/ui/float_spec.lua
View File

@@ -1851,6 +1851,39 @@ describe('float window', function()
eq('center', title_pos)
end)
it('validates footer footer_pos', function()
local buf = meths.create_buf(false,false)
eq("footer requires border to be set",
pcall_err(meths.open_win,buf, false, {
relative='editor', width=9, height=2, row=2, col=5, footer='Footer',
}))
eq("footer_pos requires footer to be set",
pcall_err(meths.open_win,buf, false, {
relative='editor', width=9, height=2, row=2, col=5,
border='single', footer_pos='left',
}))
end)
it('validate footer_pos in nvim_win_get_config', function()
local footer_pos = exec_lua([[
local bufnr = vim.api.nvim_create_buf(false, false)
local opts = {
relative = 'editor',
col = 2,
row = 5,
height = 2,
width = 9,
border = 'double',
footer = 'Test',
footer_pos = 'center'
}
local win_id = vim.api.nvim_open_win(bufnr, true, opts)
return vim.api.nvim_win_get_config(win_id).footer_pos
]])
eq('center', footer_pos)
end)
it('border with title', function()
local buf = meths.create_buf(false, false)
@@ -2033,6 +2066,368 @@ describe('float window', function()
end
end)
it('border with footer', function()
local buf = meths.create_buf(false, false)
meths.buf_set_lines(buf, 0, -1, true, {' halloj! ',
' BORDAA '})
local win = meths.open_win(buf, false, {
relative='editor', width=9, height=2, row=2, col=5, border="double",
footer = "Left",footer_pos = "left",
})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═════════╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚}{11:Left}{5:═════╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═════════╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚}{11:Left}{5:═════╝}{0: }|
|
]]}
end
meths.win_set_config(win, {footer= "Center",footer_pos="center"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═════════╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚═}{11:Center}{5:══╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═════════╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚═}{11:Center}{5:══╝}{0: }|
|
]]}
end
meths.win_set_config(win, {footer= "Right",footer_pos="right"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═════════╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚════}{11:Right}{5:╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═════════╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚════}{11:Right}{5:╝}{0: }|
|
]]}
end
meths.win_set_config(win, {footer= { {"🦄"},{"BB"}},footer_pos="right"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═════════╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚═════}🦄BB{5:╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═════════╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚═════}🦄BB{5:╝}{0: }|
|
]]}
end
end)
it('border with title and footer', function()
local buf = meths.create_buf(false, false)
meths.buf_set_lines(buf, 0, -1, true, {' halloj! ',
' BORDAA '})
local win = meths.open_win(buf, false, {
relative='editor', width=9, height=2, row=2, col=5, border="double",
title = "Left", title_pos = "left", footer = "Right", footer_pos = "right",
})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔}{11:Left}{5:═════╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚════}{11:Right}{5:╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔}{11:Left}{5:═════╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚════}{11:Right}{5:╝}{0: }|
|
]]}
end
meths.win_set_config(win, {title= "Center",title_pos="center",footer= "Center",footer_pos="center"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═}{11:Center}{5:══╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚═}{11:Center}{5:══╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═}{11:Center}{5:══╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚═}{11:Center}{5:══╝}{0: }|
|
]]}
end
meths.win_set_config(win, {title= "Right",title_pos="right",footer= "Left",footer_pos="left"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔════}{11:Right}{5:╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚}{11:Left}{5:═════╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔════}{11:Right}{5:╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚}{11:Left}{5:═════╝}{0: }|
|
]]}
end
meths.win_set_config(win, {title= { {"🦄"},{"BB"}},title_pos="right",footer= { {"🦄"},{"BB"}},footer_pos="right"})
if multigrid then
screen:expect{grid=[[
## grid 1
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[2:----------------------------------------]|
[3:----------------------------------------]|
## grid 2
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
## grid 3
|
## grid 4
{5:╔═════}🦄BB{5:╗}|
{5:║}{1: halloj! }{5:║}|
{5:║}{1: BORDAA }{5:║}|
{5:╚═════}🦄BB{5:╝}|
]], float_pos={
[4] = { { id = 1001 }, "NW", 1, 2, 5, true }
}, win_viewport={
[2] = {win = {id = 1000}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 1, sum_scroll_delta = 0};
[4] = {win = {id = 1001}, topline = 0, botline = 2, curline = 0, curcol = 0, linecount = 2, sum_scroll_delta = 0};
}}
else
screen:expect{grid=[[
^ |
{0:~ }|
{0:~ }{5:╔═════}🦄BB{5:╗}{0: }|
{0:~ }{5:║}{1: halloj! }{5:║}{0: }|
{0:~ }{5:║}{1: BORDAA }{5:║}{0: }|
{0:~ }{5:╚═════}🦄BB{5:╝}{0: }|
|
]]}
end
end)
it('terminates border on edge of viewport when window extends past viewport', function()
local buf = meths.create_buf(false, false)
meths.open_win(buf, false, {relative='editor', width=40, height=7, row=0, col=0, border="single", zindex=201})