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lib-vt: OSC data extraction boilerplate

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This also changes OSC strings to be null-terminated to ease lib-vt
integration. This shouldn't have any practical effect on terminal
performance, but it does lower the maximum length of OSC strings by 1
since we always reserve space for the null terminator.
This commit is contained in:
Mitchell Hashimoto
2025-09-28 14:55:15 -07:00
parent c5145d552e
commit 3bc07c24aa
7 changed files with 216 additions and 29 deletions
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15
example/c-vt/src/main.c
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@@ -1,5 +1,6 @@
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <ghostty/vt.h>
int main() {
@@ -8,10 +9,13 @@ int main() {
return 1;
}
// Setup change window title command to change the title to "a"
// Setup change window title command to change the title to "hello"
ghostty_osc_next(parser, '0');
ghostty_osc_next(parser, ';');
ghostty_osc_next(parser, 'a');
const char *title = "hello";
for (size_t i = 0; i < strlen(title); i++) {
ghostty_osc_next(parser, title[i]);
}
// End parsing and get command
GhosttyOscCommand command = ghostty_osc_end(parser, 0);
@@ -20,6 +24,13 @@ int main() {
GhosttyOscCommandType type = ghostty_osc_command_type(command);
printf("Command type: %d\n", type);
// Extract and print the title
if (ghostty_osc_command_data(command, GHOSTTY_OSC_DATA_CHANGE_WINDOW_TITLE_STR, &title)) {
printf("Extracted title: %s\n", title);
} else {
printf("Failed to extract title\n");
}
ghostty_osc_free(parser);
return 0;
}