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wordlogger.c
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wordlogger.c
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#include <ctype.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <libvinput.h>
char g_word_buffer[128] = { 0 };
int g_word_len = 0;
EventListener g_listener;
void commit_word(void)
{
if (g_word_len) printf("Word introduced: %.*s\n", g_word_len, g_word_buffer);
g_word_len = 0;
}
void keyboard_callback(KeyboardEvent evt)
{
if (!evt.pressed) return;
if (isdigit(evt.keychar)) {
g_word_len = 0;
return;
}
if (evt.keychar == '\b') {
g_word_len--;
if (g_word_len < 0) g_word_len = 0;
return;
}
if (evt.keychar == '\n' || evt.keychar == '\r') commit_word();
if (!isprint(evt.keychar)) return;
if (!isalpha(evt.keychar) || isspace(evt.keychar)
|| VInput_modifier_pressed_except_shift(evt.modifiers)) { // New word
commit_word();
} else {
if (g_word_len > (int)(sizeof(g_word_buffer) / sizeof(char))) g_word_len = 0;
g_word_buffer[g_word_len++] = evt.keychar;
}
}
void mouse_button_callback(MouseButtonEvent evt)
{
(void)evt;
commit_word();
}
void mouse_move_callback(MouseMoveEvent evt)
{
(void)evt;
commit_word();
}
void signal_handler(int sig)
{
printf("Signal %d received, exiting...\n", sig);
EventListener_free(&g_listener);
exit(0);
}
int main(void)
{
// signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
VInputError status = EventListener2_create(&g_listener, true, true, true);
if (status != VINPUT_OK) {
fprintf(stderr, "ERROR: Failed to create keyboard listener! Error: %s",
VInput_error_get_message(status));
}
EventListener2_start(
&g_listener, &keyboard_callback, &mouse_button_callback, &mouse_move_callback);
return 0;
}