minecraft-pi-reborn/mods/src/chat/ui.c

86 lines
2.1 KiB
C

#ifndef MCPI_SERVER_MODE
#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
#include <string.h>
#include <libreborn/libreborn.h>
#include <media-layer/core.h>
#include "chat.h"
// Run Command
static char *run_command_proper(const char *command[], int *return_code) {
// Prepare Environment
RESET_ENVIRONMENTAL_VARIABLE("LD_LIBRARY_PATH");
RESET_ENVIRONMENTAL_VARIABLE("LD_PRELOAD");
// Run
return run_command(command, return_code);
}
// Count Chat Windows
static pthread_mutex_t chat_counter_lock = PTHREAD_MUTEX_INITIALIZER;
static volatile unsigned int chat_counter = 0;
unsigned int chat_get_counter() {
return chat_counter;
}
// Chat Thread
#define DIALOG_TITLE "Chat"
static void *chat_thread(__attribute__((unused)) void *nop) {
// Open
int return_code;
const char *command[] = {
"zenity",
"--title", DIALOG_TITLE,
"--name", GUI_TITLE,
"--entry",
"--text", "Enter Chat Message:",
NULL
};
char *output = run_command_proper(command, &return_code);
// Handle Message
if (output != NULL) {
// Check Return Code
if (is_exit_status_success(return_code)) {
// Remove Ending Newline
int length = strlen(output);
if (output[length - 1] == '\n') {
output[length - 1] = '\0';
}
length = strlen(output);
// Don't Allow Empty Strings
if (length > 0) {
// Submit
_chat_queue_message(output);
}
}
// Free Output
free(output);
}
// Update Counter
pthread_mutex_lock(&chat_counter_lock);
chat_counter--;
pthread_mutex_unlock(&chat_counter_lock);
// Return
return NULL;
}
// Create Chat Thead
void chat_open() {
if (_chat_enabled) {
// Lock UI
media_set_interactable(0);
// Update Counter
pthread_mutex_lock(&chat_counter_lock);
chat_counter++;
pthread_mutex_unlock(&chat_counter_lock);
// Start Thread
pthread_t thread;
pthread_create(&thread, NULL, chat_thread, NULL);
}
}
#endif