WIP editor

Can only read the password no safe for edit

environment/win_editor.cpp

@@ -0,0 +1,87 @@
+
+#include <stdio.h>
+#include <windows.h>
+
+#include "environment.hpp"
+
+static HANDLE hStdin = NULL;
+static HANDLE hStdout = NULL;
+static int savedConsoleOutputModeIsValid = 0;
+static DWORD savedConsoleOutputMode = 0;
+static int savedConsoleInputModeIsValid = 0;
+static DWORD savedConsoleInputMode = 0;
+
+static void disableRawMode(void)
+{
+  printf("\x1b[0m");
+  fflush(stdout);
+
+  if (savedConsoleOutputModeIsValid)
+    SetConsoleMode(hStdout, savedConsoleOutputMode);
+  if (savedConsoleInputModeIsValid)
+    SetConsoleMode(hStdin, savedConsoleInputMode);
+}
+
+int enableRawMode(void)
+{
+  // Make sure the console state will be returned to its original state
+  // when this program ends
+  atexit(disableRawMode);
+
+  // Get handles for stdin and stdout
+  hStdin = GetStdHandle(STD_INPUT_HANDLE);
+  if (hStdin == INVALID_HANDLE_VALUE || hStdin == NULL)
+    return 1;
+  hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
+  if (hStdout == INVALID_HANDLE_VALUE || hStdout == NULL)
+    return 1;
+
+  // Set console to "raw" mode
+
+  if (!GetConsoleMode(hStdout, &savedConsoleOutputMode))
+    return 1;
+  savedConsoleOutputModeIsValid = 1;
+  DWORD newOutputMode = savedConsoleOutputMode;
+  newOutputMode |= ENABLE_PROCESSED_OUTPUT;
+  newOutputMode &= ~ENABLE_WRAP_AT_EOL_OUTPUT;
+  newOutputMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
+  if (!SetConsoleMode(hStdout, newOutputMode))
+    return 1;
+  if (!GetConsoleMode(hStdin, &savedConsoleInputMode))
+    return 1;
+  savedConsoleInputModeIsValid = 1;
+  DWORD newInputMode = savedConsoleInputMode;
+  newInputMode &= ~ENABLE_ECHO_INPUT;
+  newInputMode &= ~ENABLE_LINE_INPUT;
+  newInputMode &= ~ENABLE_PROCESSED_INPUT;
+  newInputMode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
+  if (!SetConsoleMode(hStdin, newInputMode))
+    return 1;
+
+  return 0;
+}
+
+// https://stackoverflow.com/questions/6812224/getting-terminal-size-in-c-for-windows
+int getWindowSize(int *rows, int *cols)
+{
+  CONSOLE_SCREEN_BUFFER_INFO csbi;
+
+  GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
+  *cols = csbi.srWindow.Right - csbi.srWindow.Left + 1;
+  *rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
+  return 0;
+}
+
+int writeTerm(const char *buf, int length)
+{
+  unsigned long wrote = 0;
+  WriteConsoleA(hStdout, buf, length, &wrote, NULL);
+  return (int)wrote;
+}
+
+int readTerm(char *buf, int length)
+{
+  unsigned long read = 0;
+  ReadConsoleA(hStdin, buf, length, &read, NULL);
+  return (int)read;
+}