[GUI] Add console logger

AssetStudioGUI/Components/ConsoleWindow.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Runtime.InteropServices;
+using AssetStudio;
+
+namespace AssetStudioGUI
+{
+    internal static class ConsoleWindow
+    {
+        private enum CtrlSignalType
+        {
+            CTRL_C_EVENT,
+            CTRL_BREAK_EVENT,
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern bool AllocConsole();
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern IntPtr GetConsoleWindow();
+
+        [DllImport("user32.dll", SetLastError = true)]
+        private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern bool SetConsoleCtrlHandler(EventHandler handler, bool add);
+
+        private delegate bool EventHandler(CtrlSignalType ctrlSignal);
+        private static EventHandler eventHandler;
+        private static IntPtr ConsoleWindowHandle;
+        private static readonly int SW_HIDE = 0;
+        private static readonly int SW_SHOW = 5;
+
+        private static bool CloseEventHandler(CtrlSignalType ctrlSignal)
+        {
+            switch (ctrlSignal)
+            {
+                case CtrlSignalType.CTRL_C_EVENT:
+                case CtrlSignalType.CTRL_BREAK_EVENT:
+                    return true;
+                default:
+                    Logger.Verbose("Closing AssetStudio");
+                    return false;
+            }
+        }
+
+        public static void RunConsole(bool showConsole)
+        {
+            AllocConsole();
+            ConsoleWindowHandle = GetConsoleWindow();
+            eventHandler += CloseEventHandler;
+            SetConsoleCtrlHandler(eventHandler, true);
+
+            if (!showConsole)
+                HideConsoleWindow();
+        }
+
+        public static void ShowConsoleWindow()
+        {
+            ShowWindow(ConsoleWindowHandle, SW_SHOW);
+        }
+
+        public static void HideConsoleWindow()
+        {
+            ShowWindow(ConsoleWindowHandle, SW_HIDE);
+        }
+    }
+}