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Support OSC 4 terminal colour-palette queries.

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Markus Gans points out that some applications which (not at all
unreasonably) don't trust $TERM to tell them the full capabilities of
their terminal will use the sequence "OSC 4 ; nn ; ? BEL" to ask for
the colour-palette value in position nn, and they may not particularly
care _what_ the results are but they will use them to decide whether
the right number of colour palette entries even exist.
This commit is contained in:
Simon Tatham
2017-10-05 20:43:02 +01:00
parent 262376a054
commit 4743798400
5 changed files with 96 additions and 35 deletions
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fuzzterm.c
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@ -81,6 +81,7 @@ Context get_ctx(void *frontend) {
void free_ctx(Context ctx) { }
void palette_set(void *frontend, int a, int b, int c, int d) { }
void palette_reset(void *frontend) { }
int palette_get(void *frontend, int n, int *r, int *g, int *b) {return FALSE;}
void write_clip(void *frontend, wchar_t *a, int *b, int c, int d) { }
void get_clip(void *frontend, wchar_t **w, int *i) { }
void set_raw_mouse_mode(void *frontend, int m) { }