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osc: foreground/background reply is now in correct XParseColor format

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The format we used previously was a discouraged and obsolete
format (and incorrect too).
This commit is contained in:
Daniel Eklöf 2019-07-19 10:18:22 +02:00
parent 7472e9c152
commit f2608bf4c9
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GPG key ID: 5BBD4992C116573F
1 changed files with 13 additions and 4 deletions
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17
osc.c
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@ -16,11 +16,20 @@ osc_query(struct terminal *term, unsigned param)
switch (param) {
case 10:
case 11: {
char reply[16];
uint32_t color = param == 10 ? term->foreground : term->background;
uint8_t r = (color >> 16) & 0xff;
uint8_t g = (color >> 8) & 0xff;
uint8_t b = (color >> 0) & 0xff;
/*
* Reply in XParseColor format
* E.g. for color 0xdcdccc we reply "\e]10;rgb:dc/dc/cc\e\\"
*/
char reply[32];
snprintf(
reply, sizeof(reply), "\033]%u;%06x\033\\",
param,
(param == 10 ? term->foreground : term->background) & 0xffffff);
reply, sizeof(reply), "\033]%u;rgb:%02x/%02x/%02x\033\\",
param, r, g, b);
vt_to_slave(term, reply, strlen(reply));
break;
}