feat: setup window using the api

Packages/AppWindowUtility/Runtime/Windows/WinApi.cs

@@ -0,0 +1,201 @@
+#if UNITY_STANDALONE_WIN
+
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using UnityEngine;
+
+
+
+namespace SatorImaging.AppWindowUtility
+{
+    public static class WinApi
+    {
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct DwmMargin
+        {
+            public int cxLeftWidth;
+            public int cxRightWidth;
+            public int cyTopHeight;
+            public int cyBottomHeight;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct POINT
+        {
+            public int X;
+            public int Y;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct RECT
+        {
+            public int left;
+            public int top;
+            public int right;
+            public int bottom;
+        }
+
+
+
+        [DllImport("user32.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static extern bool GetCursorPos(out POINT lpPoint);
+
+        public static Vector2 GetWindowsMousePosition()
+        {
+            POINT pos;
+            if (GetCursorPos(out pos)) return new Vector2(pos.X, pos.Y);
+            return Vector2.zero;
+        }
+
+
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetActiveWindow();
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetDesktopWindow();
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd);
+        [DllImport("user32.dll")]
+        public static extern uint SendMessageTimeout(IntPtr hWnd, uint Msg, uint wParam, uint lParam, uint fuFlags, uint uTimeout, out uint lpdwResult);
+        [DllImport("user32.dll")]
+        public static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
+        [DllImport("user32.dll")]
+        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
+        [DllImport("user32.dll")]
+        public static extern IntPtr FindWindowEx(IntPtr hWndParent, IntPtr hWndChild, string lpszClass, string lpszWindow);
+
+
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr FindWindow(string className, string windowName);
+
+        public static IntPtr CurrentWindowHandle = IntPtr.Zero;
+        public static IntPtr GetUnityWindowHandle()
+        {
+            if (CurrentWindowHandle == IntPtr.Zero)
+            {
+                CurrentWindowHandle = FindWindow(null, Application.productName);
+            }
+            return CurrentWindowHandle;
+
+        }
+
+
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetForegroundWindow();
+
+        public static bool IsWindowActive()
+        {
+            return GetUnityWindowHandle() == GetForegroundWindow();
+        }
+
+
+
+        [DllImport("user32.dll")]
+        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, uint dwNewLong); /*x uint o int unchecked*/
+        [DllImport("user32.dll")]
+        public static extern uint GetWindowLong(IntPtr hWnd, int nIndex);
+        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
+        public static extern bool SetWindowText(IntPtr hwnd, String lpString);
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, SetWindowPosFlags uFlags);
+        [DllImport("user32.dll")]
+        public static extern bool GetWindowRect(IntPtr hWnd, out RECT rect);
+        [DllImport("user32.dll")]
+        public static extern bool GetClientRect(IntPtr hWnd, out RECT rect);
+
+        public static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
+        public static readonly IntPtr HWND_NOTOPMOST = new IntPtr(-2);
+        public static readonly IntPtr HWND_TOP = new IntPtr(0);
+        public static readonly IntPtr HWND_BOTTOM = new IntPtr(1);
+
+
+
+        [Flags()]
+        public enum SetWindowPosFlags : uint
+        {
+            AsynchronousWindowPosition = 0x4000,
+            DeferErase = 0x2000,
+            DrawFrame = 0x0020,
+            FrameChanged = 0x0020,
+            HideWindow = 0x0080,
+            DoNotActivate = 0x0010,
+            DoNotCopyBits = 0x0100,
+            IgnoreMove = 0x0002,
+            DoNotChangeOwnerZOrder = 0x0200,
+            DoNotRedraw = 0x0008,
+            DoNotReposition = 0x0200,
+            DoNotSendChangingEvent = 0x0400,
+            IgnoreResize = 0x0001,
+            IgnoreZOrder = 0x0004,
+            ShowWindow = 0x0040,
+            NoFlag = 0x0000,
+        }
+
+
+
+
+
+
+        [DllImport("Dwmapi.dll")]
+        public static extern uint DwmExtendFrameIntoClientArea(IntPtr hWnd, ref DwmMargin margins);
+        public static void SetDwmTransparent(bool enable)
+        {
+            var margins = new DwmMargin()
+            {
+                cxLeftWidth = enable ? -1 : 0,
+            };
+            DwmExtendFrameIntoClientArea(GetUnityWindowHandle(), ref margins);
+        }
+
+
+
+
+
+        public const int GWL_STYLE = -16;
+        public const uint WS_POPUP = 0x80000000;
+        public const uint WS_BORDER = 0x00800000;
+        public const uint WS_VISIBLE = 0x10000000;
+        public const uint WS_CAPTION = 0x00C00000;
+        public const uint WS_THICKFRAME = 0x00040000;
+        public const int GWL_EXSTYLE = -20;
+        public const uint WS_EX_LAYERED = 0x00080000;
+        public const uint WS_EX_TRANSPARENT = 0x00000020;
+        public const uint WS_EX_DLGMODALFRAME = 0x00000001;
+        public const uint WS_EX_WINDOWEDGE = 0x00000100;
+        public const uint WS_EX_CLIENTEDGE = 0x00000200;
+        public const uint WS_EX_STATICEDGE = 0x00020000;
+
+
+        public const int LWA_COLORKEY = 0x00000001;
+        public const int LWA_ALPHA = 0x00000002;
+
+
+
+
+
+        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
+        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern int GetWindowTextLength(IntPtr hWnd);
+
+
+
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool SetLayeredWindowAttributes(IntPtr hwnd, uint crKey, byte bAlpha, uint dwFlags);
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool GetLayeredWindowAttributes(IntPtr hwnd, out uint crKey, out byte bAlpha, out uint dwFlags);
+
+
+
+
+
+
+    }//class
+}//namespace
+#endif