101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <ghostty/vt.h>
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//! [effects-write-pty]
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void on_write_pty(GhosttyTerminal terminal,
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void* userdata,
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const uint8_t* data,
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size_t len) {
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(void)terminal;
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(void)userdata;
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printf(" write_pty (%zu bytes): ", len);
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fwrite(data, 1, len, stdout);
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printf("\n");
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}
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//! [effects-write-pty]
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//! [effects-bell]
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void on_bell(GhosttyTerminal terminal, void* userdata) {
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(void)terminal;
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int* count = (int*)userdata;
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(*count)++;
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printf(" bell! (count=%d)\n", *count);
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}
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//! [effects-bell]
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//! [effects-title-changed]
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void on_title_changed(GhosttyTerminal terminal, void* userdata) {
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(void)userdata;
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// Query the cursor position to confirm the terminal processed the
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// title change (the title itself is tracked by the embedder via the
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// OSC parser or its own state).
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uint16_t col = 0;
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ghostty_terminal_get(terminal, GHOSTTY_TERMINAL_DATA_CURSOR_X, &col);
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printf(" title changed (cursor at col %u)\n", col);
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}
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//! [effects-title-changed]
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//! [effects-register]
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int main() {
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// Create a terminal
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GhosttyTerminal terminal = NULL;
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GhosttyTerminalOptions opts = {
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.cols = 80,
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.rows = 24,
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.max_scrollback = 0,
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};
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if (ghostty_terminal_new(NULL, &terminal, opts) != GHOSTTY_SUCCESS) {
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fprintf(stderr, "Failed to create terminal\n");
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return 1;
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}
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// Set up userdata — a simple bell counter
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int bell_count = 0;
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void* ud = &bell_count;
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ghostty_terminal_set(terminal, GHOSTTY_TERMINAL_OPT_USERDATA, &ud);
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// Register effect callbacks
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GhosttyTerminalWritePtyFn write_fn = on_write_pty;
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ghostty_terminal_set(terminal, GHOSTTY_TERMINAL_OPT_WRITE_PTY, &write_fn);
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GhosttyTerminalBellFn bell_fn = on_bell;
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ghostty_terminal_set(terminal, GHOSTTY_TERMINAL_OPT_BELL, &bell_fn);
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GhosttyTerminalTitleChangedFn title_fn = on_title_changed;
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ghostty_terminal_set(terminal, GHOSTTY_TERMINAL_OPT_TITLE_CHANGED, &title_fn);
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// Feed VT data that triggers effects:
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// 1. Bell (BEL = 0x07)
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printf("Sending BEL:\n");
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const uint8_t bel = 0x07;
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ghostty_terminal_vt_write(terminal, &bel, 1);
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// 2. Title change (OSC 2 ; <title> ST)
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printf("Sending title change:\n");
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const char* title_seq = "\x1B]2;Hello Effects\x1B\\";
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ghostty_terminal_vt_write(terminal, (const uint8_t*)title_seq,
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strlen(title_seq));
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// 3. Device status report (DECRQM for wraparound mode ?7)
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// triggers write_pty with the response
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printf("Sending DECRQM query:\n");
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const char* decrqm = "\x1B[?7$p";
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ghostty_terminal_vt_write(terminal, (const uint8_t*)decrqm,
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strlen(decrqm));
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// 4. Another bell to show the counter increments
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printf("Sending another BEL:\n");
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ghostty_terminal_vt_write(terminal, &bel, 1);
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printf("Total bells: %d\n", bell_count);
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ghostty_terminal_free(terminal);
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return 0;
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}
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//! [effects-register]
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