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Add support for the color settings stack that XTerm copied from us without acknowledgement and decided to use incompatible escape codes for.

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Completely in keeping with that project's past behavior.
See https://github.com/kovidgoyal/kitty/issues/879

XTerm announcement:
https://www.mail-archive.com/xorg@lists.x.org/msg06419.html
This commit is contained in:
Kovid Goyal
2020-12-21 21:39:05 +05:30
parent e97f1a4310
commit 5f8dee8384
10 changed files with 120 additions and 29 deletions
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21
kitty/parser.c
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@@ -439,7 +439,8 @@ dispatch_osc(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
case '*': \
case '\'': \
case ' ': \
case '$':
case '$': \
case '#':
static inline void
@@ -759,7 +760,23 @@ dispatch_csi(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
case DL:
CALL_CSI_HANDLER1(screen_delete_lines, 1);
case DCH:
CALL_CSI_HANDLER1(screen_delete_characters, 1);
if (end_modifier == '#' && !start_modifier) {
CALL_CSI_HANDLER1(screen_push_colors, 0);
} else {
CALL_CSI_HANDLER1(screen_delete_characters, 1);
}
case 'Q':
if (end_modifier == '#' && !start_modifier) { CALL_CSI_HANDLER1(screen_pop_colors, 0); }
REPORT_ERROR("Unknown CSI Q sequence with start and end modifiers: '%c' '%c' and %u parameters", start_modifier, end_modifier, num_params);
break;
case 'R':
if (end_modifier == '#' && !start_modifier) {
REPORT_COMMAND(screen_report_color_stack);
screen_report_color_stack(screen);
break;
}
REPORT_ERROR("Unknown CSI R sequence with start and end modifiers: '%c' '%c' and %u parameters", start_modifier, end_modifier, num_params);
break;
case ECH:
CALL_CSI_HANDLER1(screen_erase_characters, 1);
case DA: