feat: 发送terminal相关信息

src/client.c

@@ -7,6 +7,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/ioctl.h>
+#include <termios.h>
 
 #include "debug.h"
 
@@ -133,6 +135,55 @@ int seeking_solutions(const char* filename, char* const argv[],
     write(sock, &path_len, sizeof(size_t));
     write(sock, abs_path, path_len);
 
+    // 发送终端信息
+    // 1. 检查是否为交互式终端
+    int is_tty = isatty(STDIN_FILENO);
+    write(sock, &is_tty, sizeof(int));
+
+    // 2. 如果是终端，获取窗口大小
+    struct winsize ws;
+    memset(&ws, 0, sizeof(ws));
+    if (is_tty) {
+        ioctl(STDIN_FILENO, TIOCGWINSZ, &ws);
+    }
+    write(sock, &ws.ws_row, sizeof(unsigned short));    // 行数
+    write(sock, &ws.ws_col, sizeof(unsigned short));    // 列数
+    write(sock, &ws.ws_xpixel, sizeof(unsigned short)); // X像素
+    write(sock, &ws.ws_ypixel, sizeof(unsigned short)); // Y像素
+
+    // 3. 获取终端类型
+    const char* term_type = getenv("TERM");
+    if (term_type == NULL) {
+        term_type = "";
+    }
+    size_t term_type_len = strlen(term_type);
+    write(sock, &term_type_len, sizeof(size_t));
+    write(sock, term_type, term_type_len);
+
+    // 4. 获取SHELL类型
+    const char* shell_type = getenv("SHELL");
+    if (shell_type == NULL) {
+        shell_type = "";
+    }
+    size_t shell_type_len = strlen(shell_type);
+    write(sock, &shell_type_len, sizeof(size_t));
+    write(sock, shell_type, shell_type_len);
+
+    // 5. 获取终端属性（如果是tty）
+    struct termios term_attr;
+    int has_termios = 0;
+    if (is_tty && tcgetattr(STDIN_FILENO, &term_attr) == 0) {
+        has_termios = 1;
+    }
+    write(sock, &has_termios, sizeof(int));
+    if (has_termios) {
+        // 发送关键的termios标志
+        write(sock, &term_attr.c_iflag, sizeof(tcflag_t));
+        write(sock, &term_attr.c_oflag, sizeof(tcflag_t));
+        write(sock, &term_attr.c_cflag, sizeof(tcflag_t));
+        write(sock, &term_attr.c_lflag, sizeof(tcflag_t));
+    }
+
     // 接收服务器响应
     char buffer[BUFFER_SIZE];
     char display_buffer[BUFFER_SIZE];