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fix(tui): set cursor color param as string when required #21407
Problem:
See #20628. Terminals supporting cursor color changing usually set the
"user-defined" `Cs` terminfo capability. Most terminals expect the parameter to
the capability to be a string (in hex format like `#0099ff` or like
`rgb:00/99/ff`), others may expect a number.
Nvim currently can't handle string parameters, causing terminals to receive
a bogus command.
Unfortunately, as the `Cs` capability is "user-defined", there's no strict
format. The parameter it takes isn't really standardized. It seems most
terminals in use follow xterm; iTerm appears to be an exception.
Solution:
Use the `Cs` capability more reliable by following terminfo and
sending the color in hex format, at the cost of using unibilium string vars.
Alternatively, could revert 34d41baf8a
and hardcode the specific format required by terminals, instead of reading
terminfo.
Fixes #20628
Fixes #19607
This commit is contained in:
parent
bf9ad5db96
commit
a7332ba9b4
@ -512,6 +512,7 @@ if(FEAT_TUI)
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int
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main(void)
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{
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unibi_str_from_var(unibi_var_from_str(\"\"));
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return unibi_num_from_var(unibi_var_from_num(0));
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}
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" UNIBI_HAS_VAR_FROM)
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@ -65,8 +65,21 @@
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do { \
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(var) = unibi_var_from_num((num)); \
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} while (0)
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# define UNIBI_SET_STR_VAR(var, str) \
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do { \
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(var) = unibi_var_from_str((str)); \
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} while (0)
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#else
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# define UNIBI_SET_NUM_VAR(var, num) (var).i = (num);
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# define UNIBI_SET_NUM_VAR(var, num) \
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do { \
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(var).p = NULL; \
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(var).i = (num); \
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} while (0)
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# define UNIBI_SET_STR_VAR(var, str) \
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do { \
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(var).i = INT_MIN; \
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(var).p = str; \
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} while (0)
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#endif
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typedef struct {
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@ -108,6 +121,7 @@ struct TUIData {
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bool mouse_move_enabled;
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bool busy, is_invisible, want_invisible;
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bool cork, overflow;
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bool set_cursor_color_as_str;
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bool cursor_color_changed;
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bool is_starting;
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FILE *screenshot;
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@ -236,6 +250,7 @@ static void terminfo_start(UI *ui)
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data->busy = false;
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data->cork = false;
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data->overflow = false;
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data->set_cursor_color_as_str = false;
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data->cursor_color_changed = false;
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data->showing_mode = SHAPE_IDX_N;
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data->unibi_ext.enable_mouse = -1;
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@ -1179,8 +1194,14 @@ static void tui_set_mode(UI *ui, ModeShape mode)
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// We interpret "inverse" as "default" (no termcode for "inverse"...).
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// Hopefully the user's default cursor color is inverse.
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unibi_out_ext(ui, data->unibi_ext.reset_cursor_color);
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} else {
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if (data->set_cursor_color_as_str) {
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char hexbuf[8];
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snprintf(hexbuf, 7 + 1, "#%06x", aep.rgb_bg_color);
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UNIBI_SET_STR_VAR(data->params[0], hexbuf);
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} else {
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UNIBI_SET_NUM_VAR(data->params[0], aep.rgb_bg_color);
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}
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unibi_out_ext(ui, data->unibi_ext.set_cursor_color);
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data->cursor_color_changed = true;
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}
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@ -2148,10 +2169,20 @@ static void augment_terminfo(TUIData *data, const char *term, long vte_version,
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&& (vte_version == 0 || vte_version >= 3900)) {
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// Supported in urxvt, newer VTE.
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data->unibi_ext.set_cursor_color = (int)unibi_add_ext_str(ut, "ext.set_cursor_color",
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"\033]12;#%p1%06x\007");
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"\033]12;%p1%s\007");
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}
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}
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if (-1 != data->unibi_ext.set_cursor_color) {
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// Some terminals supporting cursor color changing specify their Cs
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// capability to take a string parameter. Others take a numeric parameter.
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// If and only if the format string contains `%s` we assume a string
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// parameter. #20628
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const char *set_cursor_color =
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unibi_get_ext_str(ut, (unsigned)data->unibi_ext.set_cursor_color);
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if (set_cursor_color) {
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data->set_cursor_color_as_str = strstr(set_cursor_color, "%s") != NULL;
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}
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data->unibi_ext.reset_cursor_color = unibi_find_ext_str(ut, "Cr");
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if (-1 == data->unibi_ext.reset_cursor_color) {
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data->unibi_ext.reset_cursor_color = (int)unibi_add_ext_str(ut, "ext.reset_cursor_color",
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