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-rw-r--r--runtime/doc/deprecated.txt2
-rw-r--r--runtime/doc/news.txt4
-rw-r--r--runtime/doc/ui.txt1
-rw-r--r--runtime/lua/vim/_defaults.lua130
-rw-r--r--src/nvim/api/ui.c10
-rw-r--r--src/nvim/lua/executor.c6
-rw-r--r--src/nvim/option.c17
-rw-r--r--src/nvim/tui/input.c114
-rw-r--r--src/nvim/tui/input.h1
-rw-r--r--src/nvim/tui/tui.c9
-rw-r--r--src/nvim/ui.c5
-rw-r--r--src/nvim/ui.h3
-rw-r--r--src/nvim/ui_client.c5
-rw-r--r--src/nvim/ui_client.h4
-rw-r--r--test/functional/api/ui_spec.lua2
-rw-r--r--test/functional/terminal/tui_spec.lua6
-rw-r--r--test/functional/ui/options_spec.lua16
-rw-r--r--test/unit/tui_spec.lua162
18 files changed, 155 insertions, 342 deletions
diff --git a/runtime/doc/deprecated.txt b/runtime/doc/deprecated.txt
index 7f7c498880..0a07f06c75 100644
--- a/runtime/doc/deprecated.txt
+++ b/runtime/doc/deprecated.txt
@@ -202,6 +202,8 @@ UI EXTENSIONS
- `["wildmenu_show", items]`
- `["wildmenu_select", selected]`
- `["wildmenu_hide"]`
+- *term_background* Unused. The terminal background color is now detected
+ by the Nvim core directly instead of the TUI.
VARIABLES
- *b:terminal_job_pid* PID of the top-level process in a |:terminal|.
diff --git a/runtime/doc/news.txt b/runtime/doc/news.txt
index 9d531b8efc..ee48bddc4d 100644
--- a/runtime/doc/news.txt
+++ b/runtime/doc/news.txt
@@ -340,4 +340,8 @@ release.
• vim.treesitter.languagetree functions:
- |LanguageTree:for_each_child()| Use |LanguageTree:children()| (non-recursive) instead.
+• The "term_background" UI option |ui-ext-options| is deprecated and no longer
+ populated. Background color detection is now performed in Lua by the Nvim
+ core, not the TUI.
+
vim:tw=78:ts=8:sw=2:et:ft=help:norl:
diff --git a/runtime/doc/ui.txt b/runtime/doc/ui.txt
index 9cf0e59854..ab99b0446f 100644
--- a/runtime/doc/ui.txt
+++ b/runtime/doc/ui.txt
@@ -52,7 +52,6 @@ with these (optional) keys:
- `ext_termcolors` Use external default colors.
- `term_name` Sets the name of the terminal 'term'.
- `term_colors` Sets the number of supported colors 't_Co'.
-- `term_background` Sets the default value of 'background'.
- `stdin_fd` Read buffer 1 from this fd as if it were stdin |--|.
Only from |--embed| UI on startup. |ui-startup-stdin|
- `stdin_tty` Tells if `stdin` is a `tty` or not.
diff --git a/runtime/lua/vim/_defaults.lua b/runtime/lua/vim/_defaults.lua
index c1b50e6950..0d7b4f1884 100644
--- a/runtime/lua/vim/_defaults.lua
+++ b/runtime/lua/vim/_defaults.lua
@@ -164,3 +164,133 @@ do
end,
})
end
+
+--- Guess value of 'background' based on terminal color.
+---
+--- We write Operating System Command (OSC) 11 to the terminal to request the
+--- terminal's background color. We then wait for a response. If the response
+--- matches `rgba:RRRR/GGGG/BBBB/AAAA` where R, G, B, and A are hex digits, then
+--- compute the luminance[1] of the RGB color and classify it as light/dark
+--- accordingly. Note that the color components may have anywhere from one to
+--- four hex digits, and require scaling accordingly as values out of 4, 8, 12,
+--- or 16 bits. Also note the A(lpha) component is optional, and is parsed but
+--- ignored in the calculations.
+---
+--- [1] https://en.wikipedia.org/wiki/Luma_%28video%29
+do
+ --- Parse a string of hex characters as a color.
+ ---
+ --- The string can contain 1 to 4 hex characters. The returned value is
+ --- between 0.0 and 1.0 (inclusive) representing the intensity of the color.
+ ---
+ --- For instance, if only a single hex char "a" is used, then this function
+ --- returns 0.625 (10 / 16), while a value of "aa" would return 0.664 (170 /
+ --- 256).
+ ---
+ --- @param c string Color as a string of hex chars
+ --- @return number? Intensity of the color
+ local function parsecolor(c)
+ local len = #c
+ assert(len > 0 and len <= 4, 'Invalid hex color string')
+ if not c:match('^0x') then
+ c = string.format('0x%s', c)
+ end
+
+ local max = tonumber(string.format('0x%s', string.rep('f', len)))
+ return tonumber(c) / max
+ end
+
+ --- Parse an OSC 11 response
+ ---
+ --- Either of the two formats below are accepted:
+ ---
+ --- OSC 11 ; rgb:<red>/<green>/<blue>
+ ---
+ --- or
+ ---
+ --- OSC 11 ; rgba:<red>/<green>/<blue>/<alpha>
+ ---
+ --- where
+ ---
+ --- <red>, <green>, <blue>, <alpha> := h | hh | hhh | hhhh
+ ---
+ --- The alpha component is ignored, if present.
+ ---
+ --- @param resp string OSC 11 response
+ --- @return string? Red component
+ --- @return string? Green component
+ --- @return string? Blue component
+ local function parseosc11(resp)
+ local r, g, b
+ r, g, b = resp:match('^\027%]11;rgb:(%x+)/(%x+)/(%x+)$')
+ if not r and not g and not b then
+ local a
+ r, g, b, a = resp:match('^\027%]11;rgba:(%x+)/(%x+)/(%x+)/(%x+)$')
+ if not a or #a > 4 then
+ return nil, nil, nil
+ end
+ end
+
+ if r and g and b and #r <= 4 and #g <= 4 and #b <= 4 then
+ return r, g, b
+ end
+
+ return nil, nil, nil
+ end
+
+ local tty = false
+ for _, ui in ipairs(vim.api.nvim_list_uis()) do
+ if ui.chan == 1 and ui.stdout_tty then
+ tty = true
+ break
+ end
+ end
+
+ if tty then
+ local timer = assert(vim.uv.new_timer())
+
+ local id = vim.api.nvim_create_autocmd('TermResponse', {
+ nested = true,
+ callback = function(args)
+ if vim.api.nvim_get_option_info2('background', {}).was_set then
+ -- Don't do anything if 'background' is already set
+ timer:stop()
+ timer:close()
+ return true
+ end
+
+ local resp = args.data ---@type string
+ local r, g, b = parseosc11(resp)
+ if r and g and b then
+ local rr = parsecolor(r)
+ local gg = parsecolor(g)
+ local bb = parsecolor(b)
+
+ if rr and gg and bb then
+ local luminance = (0.299 * rr) + (0.587 * gg) + (0.114 * bb)
+ local bg = luminance < 0.5 and 'dark' or 'light'
+ if bg ~= vim.o.background then
+ vim.o.background = bg
+ end
+ end
+
+ timer:stop()
+ timer:close()
+
+ return true
+ end
+ end,
+ })
+
+ io.stdout:write('\027]11;?\027\\')
+
+ timer:start(1000, 0, function()
+ -- No response received. Delete the autocommand
+ vim.schedule(function()
+ -- Suppress error if autocommand has already been deleted
+ pcall(vim.api.nvim_del_autocmd, id)
+ end)
+ timer:close()
+ end)
+ end
+end
diff --git a/src/nvim/api/ui.c b/src/nvim/api/ui.c
index 3d013435f7..e6d9035b0d 100644
--- a/src/nvim/api/ui.c
+++ b/src/nvim/api/ui.c
@@ -120,7 +120,6 @@ void remote_ui_disconnect(uint64_t channel_id)
// Destroy `ui`.
XFREE_CLEAR(ui->term_name);
- XFREE_CLEAR(ui->term_background);
xfree(ui);
}
@@ -348,15 +347,6 @@ static void ui_set_option(UI *ui, bool init, String name, Object value, Error *e
return;
}
- if (strequal(name.data, "term_background")) {
- VALIDATE_T("term_background", kObjectTypeString, value.type, {
- return;
- });
- set_tty_background(value.data.string.data);
- ui->term_background = string_to_cstr(value.data.string);
- return;
- }
-
if (strequal(name.data, "stdin_fd")) {
VALIDATE_T("stdin_fd", kObjectTypeInteger, value.type, {
return;
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
index 716fe5e481..aed96a539a 100644
--- a/src/nvim/lua/executor.c
+++ b/src/nvim/lua/executor.c
@@ -366,6 +366,12 @@ static void nlua_schedule_event(void **argv)
static int nlua_schedule(lua_State *const lstate)
FUNC_ATTR_NONNULL_ALL
{
+ // If Nvim is exiting don't schedule tasks to run in the future. Any refs
+ // allocated here will not be cleaned up otherwise
+ if (exiting) {
+ return 0;
+ }
+
if (lua_type(lstate, 1) != LUA_TFUNCTION) {
lua_pushliteral(lstate, "vim.schedule: expected function");
return lua_error(lstate);
diff --git a/src/nvim/option.c b/src/nvim/option.c
index 23d5960579..d3a8e2ce73 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -3183,23 +3183,6 @@ bool set_tty_option(const char *name, char *value)
return false;
}
-void set_tty_background(const char *value)
-{
- if (option_was_set("bg") || strequal(p_bg, value)) {
- // background is already set... ignore
- return;
- }
- if (starting) {
- // Wait until after startup, so OptionSet is triggered.
- do_cmdline_cmd((value[0] == 'l')
- ? "autocmd VimEnter * ++once ++nested :lua if not vim.api.nvim_get_option_info2('bg', {}).was_set then vim.o.bg = 'light' end"
- : "autocmd VimEnter * ++once ++nested :lua if not vim.api.nvim_get_option_info2('bg', {}).was_set then vim.o.bg = 'dark' end");
- } else {
- set_option_value_give_err("bg", CSTR_AS_OPTVAL((char *)value), 0);
- reset_option_was_set("bg");
- }
-}
-
/// Find index for an option
///
/// @param[in] arg Option name.
diff --git a/src/nvim/tui/input.c b/src/nvim/tui/input.c
index 36d6566c7d..7dce8473d5 100644
--- a/src/nvim/tui/input.c
+++ b/src/nvim/tui/input.c
@@ -124,7 +124,6 @@ void tinput_init(TermInput *input, Loop *loop)
input->loop = loop;
input->paste = 0;
input->in_fd = STDIN_FILENO;
- input->waiting_for_bg_response = 0;
input->extkeys_type = kExtkeysNone;
input->ttimeout = (bool)p_ttimeout;
input->ttimeoutlen = p_ttm;
@@ -579,113 +578,6 @@ static HandleState handle_bracketed_paste(TermInput *input)
return kNotApplicable;
}
-static void set_bg(char *bgvalue)
-{
- if (ui_client_attached) {
- MAXSIZE_TEMP_ARRAY(args, 2);
- ADD_C(args, CSTR_AS_OBJ("term_background"));
- ADD_C(args, CSTR_AS_OBJ(bgvalue));
- rpc_send_event(ui_client_channel_id, "nvim_ui_set_option", args);
- }
-}
-
-// During startup, tui.c requests the background color (see `ext.get_bg`).
-//
-// Here in input.c, we watch for the terminal response `\e]11;COLOR\a`. If
-// COLOR matches `rgb:RRRR/GGGG/BBBB/AAAA` where R, G, B, and A are hex digits,
-// then compute the luminance[1] of the RGB color and classify it as light/dark
-// accordingly. Note that the color components may have anywhere from one to
-// four hex digits, and require scaling accordingly as values out of 4, 8, 12,
-// or 16 bits. Also note the A(lpha) component is optional, and is parsed but
-// ignored in the calculations.
-//
-// [1] https://en.wikipedia.org/wiki/Luma_%28video%29
-HandleState handle_background_color(TermInput *input)
-{
- if (input->waiting_for_bg_response <= 0) {
- return kNotApplicable;
- }
- size_t count = 0;
- size_t component = 0;
- size_t header_size = 0;
- size_t num_components = 0;
- size_t buf_size = rbuffer_size(input->read_stream.buffer);
- uint16_t rgb[] = { 0, 0, 0 };
- uint16_t rgb_max[] = { 0, 0, 0 };
- bool eat_backslash = false;
- bool done = false;
- bool bad = false;
- if (buf_size >= 9
- && !rbuffer_cmp(input->read_stream.buffer, "\x1b]11;rgb:", 9)) {
- header_size = 9;
- num_components = 3;
- } else if (buf_size >= 10
- && !rbuffer_cmp(input->read_stream.buffer, "\x1b]11;rgba:", 10)) {
- header_size = 10;
- num_components = 4;
- } else if (buf_size < 10
- && !rbuffer_cmp(input->read_stream.buffer,
- "\x1b]11;rgba", buf_size)) {
- // An incomplete sequence was found, waiting for the next input.
- return kIncomplete;
- } else {
- input->waiting_for_bg_response--;
- if (input->waiting_for_bg_response == 0) {
- DLOG("did not get a response for terminal background query");
- }
- return kNotApplicable;
- }
- RBUFFER_EACH(input->read_stream.buffer, c, i) {
- count = i + 1;
- // Skip the header.
- if (i < header_size) {
- continue;
- }
- if (eat_backslash) {
- done = true;
- break;
- } else if (c == '\x07') {
- done = true;
- break;
- } else if (c == '\x1b') {
- eat_backslash = true;
- } else if (bad) {
- // ignore
- } else if ((c == '/') && (++component < num_components)) {
- // work done in condition
- } else if (ascii_isxdigit(c)) {
- if (component < 3 && rgb_max[component] != 0xffff) {
- rgb_max[component] = (uint16_t)((rgb_max[component] << 4) | 0xf);
- rgb[component] = (uint16_t)((rgb[component] << 4) | hex2nr(c));
- }
- } else {
- bad = true;
- }
- }
- if (done && !bad && rgb_max[0] && rgb_max[1] && rgb_max[2]) {
- rbuffer_consumed(input->read_stream.buffer, count);
- double r = (double)rgb[0] / (double)rgb_max[0];
- double g = (double)rgb[1] / (double)rgb_max[1];
- double b = (double)rgb[2] / (double)rgb_max[2];
- double luminance = (0.299 * r) + (0.587 * g) + (0.114 * b); // CCIR 601
- bool is_dark = luminance < 0.5;
- char *bgvalue = is_dark ? "dark" : "light";
- DLOG("bg response: %s", bgvalue);
- ui_client_bg_response = is_dark ? kTrue : kFalse;
- set_bg(bgvalue);
- input->waiting_for_bg_response = 0;
- } else if (!done && !bad) {
- // An incomplete sequence was found, waiting for the next input.
- return kIncomplete;
- } else {
- input->waiting_for_bg_response = 0;
- rbuffer_consumed(input->read_stream.buffer, count);
- DLOG("failed to parse bg response");
- return kNotApplicable;
- }
- return kComplete;
-}
-
static void handle_osc_event(TermInput *input, const TermKeyKey *key)
{
assert(input);
@@ -712,14 +604,12 @@ static void handle_osc_event(TermInput *input, const TermKeyKey *key)
static void handle_raw_buffer(TermInput *input, bool force)
{
HandleState is_paste = kNotApplicable;
- HandleState is_bc = kNotApplicable;
do {
if (!force
&& (handle_focus_event(input)
- || (is_paste = handle_bracketed_paste(input)) != kNotApplicable
- || (is_bc = handle_background_color(input)) != kNotApplicable)) {
- if (is_paste == kIncomplete || is_bc == kIncomplete) {
+ || (is_paste = handle_bracketed_paste(input)) != kNotApplicable)) {
+ if (is_paste == kIncomplete) {
// Wait for the next input, leaving it in the raw buffer due to an
// incomplete sequence.
return;
diff --git a/src/nvim/tui/input.h b/src/nvim/tui/input.h
index 8b4d1ba74b..01514269be 100644
--- a/src/nvim/tui/input.h
+++ b/src/nvim/tui/input.h
@@ -24,7 +24,6 @@ typedef struct term_input {
// Phases: -1=all 0=disabled 1=first-chunk 2=continue 3=last-chunk
int8_t paste;
bool ttimeout;
- int8_t waiting_for_bg_response;
int8_t waiting_for_csiu_response;
ExtkeysType extkeys_type;
OptInt ttimeoutlen;
diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index 177ef0c3cf..8aab4d836c 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -133,7 +133,6 @@ struct TUIData {
int reset_scroll_region;
int set_cursor_style, reset_cursor_style;
int save_title, restore_title;
- int get_bg;
int set_underline_style;
int set_underline_color;
int enable_extended_keys, disable_extended_keys;
@@ -250,7 +249,6 @@ static void terminfo_start(TUIData *tui)
tui->unibi_ext.reset_scroll_region = -1;
tui->unibi_ext.set_cursor_style = -1;
tui->unibi_ext.reset_cursor_style = -1;
- tui->unibi_ext.get_bg = -1;
tui->unibi_ext.set_underline_color = -1;
tui->unibi_ext.enable_extended_keys = -1;
tui->unibi_ext.disable_extended_keys = -1;
@@ -327,9 +325,7 @@ static void terminfo_start(TUIData *tui)
unibi_out(tui, unibi_enter_ca_mode);
unibi_out(tui, unibi_keypad_xmit);
unibi_out(tui, unibi_clear_screen);
- // Ask the terminal to send us the background color.
- tui->input.waiting_for_bg_response = 5;
- unibi_out_ext(tui, tui->unibi_ext.get_bg);
+
// Enable bracketed paste
unibi_out_ext(tui, tui->unibi_ext.enable_bracketed_paste);
@@ -1882,9 +1878,6 @@ static void patch_terminfo_bugs(TUIData *tui, const char *term, const char *colo
#define XTERM_SETAB_16 \
"\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e39%;m"
- tui->unibi_ext.get_bg = (int)unibi_add_ext_str(ut, "ext.get_bg",
- "\x1b]11;?\x07");
-
// Query the terminal to see if it supports CSI u key encoding by writing CSI
// ? u followed by a request for the primary device attributes (CSI c)
// See https://sw.kovidgoyal.net/kitty/keyboard-protocol/#detection-of-support-for-this-protocol
diff --git a/src/nvim/ui.c b/src/nvim/ui.c
index dc38c061b0..3e5bfba315 100644
--- a/src/nvim/ui.c
+++ b/src/nvim/ui.c
@@ -623,7 +623,10 @@ Array ui_array(void)
// TUI fields. (`stdin_fd` is intentionally omitted.)
PUT(info, "term_name", CSTR_TO_OBJ(ui->term_name));
- PUT(info, "term_background", CSTR_TO_OBJ(ui->term_background));
+
+ // term_background is deprecated. Populate with an empty string
+ PUT(info, "term_background", CSTR_TO_OBJ(""));
+
PUT(info, "term_colors", INTEGER_OBJ(ui->term_colors));
PUT(info, "stdin_tty", BOOLEAN_OBJ(ui->stdin_tty));
PUT(info, "stdout_tty", BOOLEAN_OBJ(ui->stdout_tty));
diff --git a/src/nvim/ui.h b/src/nvim/ui.h
index d399802c99..3feb0bf603 100644
--- a/src/nvim/ui.h
+++ b/src/nvim/ui.h
@@ -104,7 +104,8 @@ struct ui_t {
// TUI fields.
char *term_name;
- char *term_background;
+ char *term_background; ///< Deprecated. No longer needed since background color detection happens
+ ///< in Lua. To be removed in a future release.
int term_colors;
bool stdin_tty;
bool stdout_tty;
diff --git a/src/nvim/ui_client.c b/src/nvim/ui_client.c
index dac690822b..2f91257a5d 100644
--- a/src/nvim/ui_client.c
+++ b/src/nvim/ui_client.c
@@ -84,10 +84,7 @@ void ui_client_attach(int width, int height, char *term)
if (term) {
PUT_C(opts, "term_name", CSTR_AS_OBJ(term));
}
- if (ui_client_bg_response != kNone) {
- bool is_dark = (ui_client_bg_response == kTrue);
- PUT_C(opts, "term_background", CSTR_AS_OBJ(is_dark ? "dark" : "light"));
- }
+
PUT_C(opts, "term_colors", INTEGER_OBJ(t_colors));
if (!ui_client_is_remote) {
PUT_C(opts, "stdin_tty", BOOLEAN_OBJ(stdin_isatty));
diff --git a/src/nvim/ui_client.h b/src/nvim/ui_client.h
index fbee942cdf..db1ab463f8 100644
--- a/src/nvim/ui_client.h
+++ b/src/nvim/ui_client.h
@@ -31,10 +31,6 @@ EXTERN int ui_client_exit_status INIT( = 0);
/// Whether ui client has sent nvim_ui_attach yet
EXTERN bool ui_client_attached INIT( = false);
-/// Whether ui client has gotten a response about the bg color of the terminal,
-/// kTrue=dark, kFalse=light, kNone=no response yet
-EXTERN TriState ui_client_bg_response INIT( = kNone);
-
/// The ui client should forward its stdin to the nvim process
/// by convention, this uses fd=3 (next free number after stdio)
EXTERN bool ui_client_forward_stdin INIT( = false);
diff --git a/test/functional/api/ui_spec.lua b/test/functional/api/ui_spec.lua
index a668d47448..6efb6726fe 100644
--- a/test/functional/api/ui_spec.lua
+++ b/test/functional/api/ui_spec.lua
@@ -36,8 +36,6 @@ describe('nvim_ui_attach()', function()
pcall_err(meths.ui_attach, 80, 24, { term_name=true }))
eq("Invalid 'term_colors': expected Integer, got Boolean",
pcall_err(meths.ui_attach, 80, 24, { term_colors=true }))
- eq("Invalid 'term_background': expected String, got Boolean",
- pcall_err(meths.ui_attach, 80, 24, { term_background=true }))
eq("Invalid 'stdin_fd': expected Integer, got String",
pcall_err(meths.ui_attach, 80, 24, { stdin_fd='foo' }))
eq("Invalid 'stdin_tty': expected Boolean, got String",
diff --git a/test/functional/terminal/tui_spec.lua b/test/functional/terminal/tui_spec.lua
index 682eb48a27..960870fb46 100644
--- a/test/functional/terminal/tui_spec.lua
+++ b/test/functional/terminal/tui_spec.lua
@@ -2557,7 +2557,7 @@ describe('TUI bg color', function()
|
{3:-- TERMINAL --} |
]])
- feed_data('\027]11;rgb:ffff/ffff/ffff\007')
+ feed_data('\027]11;rgb:ffff/ffff/ffff\027\\')
screen:expect{any='did OptionSet, yay!'}
feed_data(':echo "new_bg=".&background\n')
@@ -2610,7 +2610,7 @@ describe('TUI bg color', function()
]])
-- Send a background response with the Pt portion split.
feed_data('\027]11;rgba:ffff/fff')
- feed_data('f/ffff/8000\007')
+ feed_data('f/ffff/8000\027\\')
screen:expect{any='did OptionSet, yay!'}
feed_data(':echo "new_bg=".&background\n')
@@ -2643,7 +2643,7 @@ describe('TUI bg color', function()
|
{3:-- TERMINAL --} |
]])
- feed_data('\027]11;rgba:ffff/foo/ffff/8000\007')
+ feed_data('\027]11;rgba:ffff/foo/ffff/8000\027\\')
screen:expect_unchanged()
feed_data(':echo "new_bg=".&background\n')
diff --git a/test/functional/ui/options_spec.lua b/test/functional/ui/options_spec.lua
index f3817856f7..6af1820430 100644
--- a/test/functional/ui/options_spec.lua
+++ b/test/functional/ui/options_spec.lua
@@ -210,22 +210,6 @@ describe('UI can set terminal option', function()
screen = Screen.new(20,5)
end)
- it('term_background', function()
- eq('dark', eval '&background')
-
- screen:attach {term_background='light'}
- eq('light', eval '&background')
- end)
-
- it("term_background but not if 'background' already set by user", function()
- eq('dark', eval '&background')
- command 'set background=dark'
-
- screen:attach {term_background='light'}
-
- eq('dark', eval '&background')
- end)
-
it('term_name', function()
eq('nvim', eval '&term')
diff --git a/test/unit/tui_spec.lua b/test/unit/tui_spec.lua
deleted file mode 100644
index 192e35a485..0000000000
--- a/test/unit/tui_spec.lua
+++ /dev/null
@@ -1,162 +0,0 @@
-local helpers = require("test.unit.helpers")(after_each)
-local cimport = helpers.cimport
-local eq = helpers.eq
-local ffi = helpers.ffi
-local itp = helpers.gen_itp(it)
-local to_cstr = helpers.to_cstr
-
-local cinput = cimport("./src/nvim/tui/input.h")
-local rbuffer = cimport("./test/unit/fixtures/rbuffer.h")
-local globals = cimport("./src/nvim/globals.h")
-local multiqueue = cimport("./test/unit/fixtures/multiqueue.h")
-local ui_client = cimport("./src/nvim/ui_client.h")
-
-itp('handle_background_color', function()
- local handle_background_color = cinput.handle_background_color
- local term_input = ffi.new('TermInput', {})
- local events = globals.main_loop.thread_events
- local kIncomplete = cinput.kIncomplete
- local kNotApplicable = cinput.kNotApplicable
- local kComplete = cinput.kComplete
-
- -- Short-circuit when not waiting for response.
- term_input.waiting_for_bg_response = 0
- eq(kNotApplicable, handle_background_color(term_input))
-
- local capacity = 100
- local rbuf = ffi.gc(rbuffer.rbuffer_new(capacity), rbuffer.rbuffer_free)
- term_input.read_stream.buffer = rbuf
-
- local function assert_bg(colorspace, color, bg)
- local term_response = '\027]11;'..colorspace..':'..color..'\007'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
-
- term_input.waiting_for_bg_response = 1
- eq(kComplete, handle_background_color(term_input))
- eq(0, term_input.waiting_for_bg_response)
- eq(0, multiqueue.multiqueue_size(events))
- eq(bg, ({[0]="light", [1] = "dark", [-1] = "none"})
- [tonumber(ui_client.ui_client_bg_response)])
-
- -- Buffer has been consumed.
- eq(0, rbuf.size)
- end
-
- assert_bg('rgb', '0000/0000/0000', 'dark')
- assert_bg('rgb', 'ffff/ffff/ffff', 'light')
- assert_bg('rgb', '000/000/000', 'dark')
- assert_bg('rgb', 'fff/fff/fff', 'light')
- assert_bg('rgb', '00/00/00', 'dark')
- assert_bg('rgb', 'ff/ff/ff', 'light')
- assert_bg('rgb', '0/0/0', 'dark')
- assert_bg('rgb', 'f/f/f', 'light')
-
- assert_bg('rgb', 'f/0/0', 'dark')
- assert_bg('rgb', '0/f/0', 'light')
- assert_bg('rgb', '0/0/f', 'dark')
-
- assert_bg('rgb', '1/1/1', 'dark')
- assert_bg('rgb', '2/2/2', 'dark')
- assert_bg('rgb', '3/3/3', 'dark')
- assert_bg('rgb', '4/4/4', 'dark')
- assert_bg('rgb', '5/5/5', 'dark')
- assert_bg('rgb', '6/6/6', 'dark')
- assert_bg('rgb', '7/7/7', 'dark')
- assert_bg('rgb', '8/8/8', 'light')
- assert_bg('rgb', '9/9/9', 'light')
- assert_bg('rgb', 'a/a/a', 'light')
- assert_bg('rgb', 'b/b/b', 'light')
- assert_bg('rgb', 'c/c/c', 'light')
- assert_bg('rgb', 'd/d/d', 'light')
- assert_bg('rgb', 'e/e/e', 'light')
-
- assert_bg('rgb', '0/e/0', 'light')
- assert_bg('rgb', '0/d/0', 'light')
- assert_bg('rgb', '0/c/0', 'dark')
- assert_bg('rgb', '0/b/0', 'dark')
-
- assert_bg('rgb', 'f/0/f', 'dark')
- assert_bg('rgb', 'f/1/f', 'dark')
- assert_bg('rgb', 'f/2/f', 'dark')
- assert_bg('rgb', 'f/3/f', 'light')
- assert_bg('rgb', 'f/4/f', 'light')
-
- assert_bg('rgba', '0000/0000/0000/0000', 'dark')
- assert_bg('rgba', '0000/0000/0000/ffff', 'dark')
- assert_bg('rgba', 'ffff/ffff/ffff/0000', 'light')
- assert_bg('rgba', 'ffff/ffff/ffff/ffff', 'light')
- assert_bg('rgba', '000/000/000/000', 'dark')
- assert_bg('rgba', '000/000/000/fff', 'dark')
- assert_bg('rgba', 'fff/fff/fff/000', 'light')
- assert_bg('rgba', 'fff/fff/fff/fff', 'light')
- assert_bg('rgba', '00/00/00/00', 'dark')
- assert_bg('rgba', '00/00/00/ff', 'dark')
- assert_bg('rgba', 'ff/ff/ff/00', 'light')
- assert_bg('rgba', 'ff/ff/ff/ff', 'light')
- assert_bg('rgba', '0/0/0/0', 'dark')
- assert_bg('rgba', '0/0/0/f', 'dark')
- assert_bg('rgba', 'f/f/f/0', 'light')
- assert_bg('rgba', 'f/f/f/f', 'light')
-
-
- -- Incomplete sequence: necessarily correct behavior.
- local term_response = '\027]11;rgba:f/f/f/f' -- missing '\007
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
-
- term_input.waiting_for_bg_response = 1
- eq(kIncomplete, handle_background_color(term_input))
- eq(1, term_input.waiting_for_bg_response)
- eq(#term_response, rbuf.size)
-
- term_response = '\007'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
- eq(kComplete, handle_background_color(term_input))
- eq(0, term_input.waiting_for_bg_response)
-
- eq(0, tonumber(ui_client.ui_client_bg_response))
- eq(0, multiqueue.multiqueue_size(events))
- eq(0, rbuf.size)
-
- term_response = '\027]11;rg'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
-
- term_input.waiting_for_bg_response = 1
- eq(kIncomplete, handle_background_color(term_input))
- eq(1, term_input.waiting_for_bg_response)
- eq(#term_response, rbuf.size)
-
- term_response = 'ba:f/f/f/f\007'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
- eq(kComplete, handle_background_color(term_input))
- eq(0, term_input.waiting_for_bg_response)
-
- eq(0, tonumber(ui_client.ui_client_bg_response))
- eq(0, multiqueue.multiqueue_size(events))
- eq(0, rbuf.size)
-
-
- -- Does nothing when not at start of buffer.
- term_response = '123\027]11;rgba:f/f/f/f\007456'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
-
- term_input.waiting_for_bg_response = 3
- eq(kNotApplicable, handle_background_color(term_input))
- eq(2, term_input.waiting_for_bg_response)
-
- eq(0, multiqueue.multiqueue_size(events))
- eq(#term_response, rbuf.size)
- rbuffer.rbuffer_consumed(rbuf, #term_response)
-
-
- -- Keeps trailing buffer.
- term_response = '\027]11;rgba:f/f/f/f\007456'
- rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
-
- term_input.waiting_for_bg_response = 1
- eq(kComplete, handle_background_color(term_input))
- eq(0, term_input.waiting_for_bg_response)
-
- eq(0, multiqueue.multiqueue_size(events))
- eq(3, rbuf.size)
- rbuffer.rbuffer_consumed(rbuf, rbuf.size)
-end)
generated by cgit (git 2.34.1) at 2025-06-26 02:04:31 +0000