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167 changes: 167 additions & 0 deletions
167
System.Application.SteamTools.Client.Desktop.Windows/MouseHook.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| using System.ComponentModel; | ||
| using System.Diagnostics; | ||
| using System.Runtime.InteropServices; | ||
| using System.Windows; | ||
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|
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| namespace System | ||
| { | ||
| internal static class MouseHook | ||
| { | ||
| delegate int HookProc(int nCode, int wParam, IntPtr lParam); | ||
|
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| static int _mouseHookHandle; | ||
| static HookProc? _mouseDelegate; | ||
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| static event MouseUpEventHandler? MouseUp; | ||
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| public static event MouseUpEventHandler OnMouseUp | ||
| { | ||
| add | ||
| { | ||
| Subscribe(); | ||
| MouseUp += value; | ||
| } | ||
| remove | ||
| { | ||
| MouseUp -= value; | ||
| Unsubscribe(); | ||
| } | ||
| } | ||
|
|
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| static void Unsubscribe() | ||
| { | ||
| if (_mouseHookHandle != 0) | ||
| { | ||
| int result = UnhookWindowsHookEx(_mouseHookHandle); | ||
| _mouseHookHandle = 0; | ||
| _mouseDelegate = null; | ||
| if (result == 0) | ||
| { | ||
| int errorCode = Marshal.GetLastWin32Error(); | ||
| throw new Win32Exception(errorCode); | ||
| } | ||
| } | ||
| } | ||
|
|
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| static void Subscribe() | ||
| { | ||
| if (_mouseHookHandle == 0) | ||
| { | ||
| var currentProcessMainModuleName = Process.GetCurrentProcess().MainModule?.ModuleName; | ||
| if (string.IsNullOrWhiteSpace(currentProcessMainModuleName)) throw new ArgumentNullException(nameof(currentProcessMainModuleName)); | ||
| _mouseDelegate = MouseHookProc; | ||
| _mouseHookHandle = SetWindowsHookEx(WH_MOUSE_LL, | ||
| _mouseDelegate, | ||
| GetModuleHandle(currentProcessMainModuleName), | ||
| 0); | ||
| if (_mouseHookHandle == 0) | ||
| { | ||
| int errorCode = Marshal.GetLastWin32Error(); | ||
| throw new Win32Exception(errorCode); | ||
| } | ||
| } | ||
| } | ||
|
|
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| static int MouseHookProc(int nCode, int wParam, IntPtr lParam) | ||
| { | ||
| if (nCode >= 0) | ||
| { | ||
| var mouseHookStructObj = Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT)); | ||
| if (mouseHookStructObj == null) throw new ArgumentNullException(nameof(mouseHookStructObj)); | ||
| var mouseHookStruct = (MSLLHOOKSTRUCT)mouseHookStructObj; | ||
| if (wParam == WM_LBUTTONUP) | ||
| { | ||
| if (MouseUp != null) | ||
| { | ||
| MouseUp.Invoke(null, new Point(mouseHookStruct.pt.X, mouseHookStruct.pt.Y)); | ||
| } | ||
| } | ||
| } | ||
| return CallNextHookEx(_mouseHookHandle, nCode, wParam, lParam); | ||
| } | ||
|
|
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| const int WH_MOUSE_LL = 14; | ||
| const int WM_LBUTTONUP = 0x0202; | ||
|
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| [StructLayout(LayoutKind.Sequential)] | ||
| struct MSLLHOOKSTRUCT | ||
| { | ||
| public PointInt32 pt; | ||
| public uint mouseData; | ||
| public uint flags; | ||
| public uint time; | ||
| public IntPtr dwExtraInfo; | ||
| } | ||
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| [DllImport("kernel32.dll", CharSet = CharSet.Unicode)] | ||
| public static extern IntPtr GetModuleHandle(string name); | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto, | ||
| CallingConvention = CallingConvention.StdCall, SetLastError = true)] | ||
| static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hMod, int dwThreadId); | ||
|
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto, | ||
| CallingConvention = CallingConvention.StdCall, SetLastError = true)] | ||
| static extern int UnhookWindowsHookEx(int idHook); | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto, | ||
| CallingConvention = CallingConvention.StdCall)] | ||
| static extern int CallNextHookEx(int idHook, int nCode, int wParam, IntPtr lParam); | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto)] | ||
| public static extern IntPtr LoadCursor(IntPtr hInstance, uint lpCursorName); | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto)] | ||
| public static extern bool SetSystemCursor(IntPtr hcur, uint id); | ||
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| public const uint OCR_NORMAL = 32512; | ||
| public const uint OCR_IBEAM = 32513; | ||
| public const uint OCR_CROSS = 32515; | ||
| public const uint OCR_HAND = 32649; | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto)] | ||
| public static extern bool SystemParametersInfo(uint uiAction, uint uiParam, | ||
| IntPtr pvParam, uint fWinIni); | ||
|
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| public enum SystemParametersDesktopInfo : uint | ||
| { | ||
| SPIF_SENDWININICHANGE = 2, | ||
| SPI_SETDESKWALLPAPER = 20, | ||
| SPI_SETDESKPATTERN = 21, | ||
| SPI_SETWORKAREA = 47, | ||
| SPI_GETWORKAREA = 48, | ||
| SPI_GETFONTSMOOTHING = 74, | ||
| SPI_SETFONTSMOOTHING = 75, | ||
| SPI_SETCURSORS = 87, | ||
| SPI_GETDESKWALLPAPER = 115, | ||
| SPI_GETFLATMENU = 4130, | ||
| SPI_SETFLATMENU = 4131, | ||
| SPI_GETDROPSHADOW = 4132, | ||
| SPI_SETDROPSHADOW = 4133, | ||
| SPI_GETCLEARTYPE = 4168, | ||
| SPI_SETCLEARTYPE = 4169, | ||
| SPI_GETFONTSMOOTHINGTYPE = 8202, | ||
| SPI_SETFONTSMOOTHINGTYPE = 8203, | ||
| SPI_GETFONTSMOOTHINGCONTRAST = 8204, | ||
| SPI_SETFONTSMOOTHINGCONTRAST = 8205, | ||
| SPI_GETFONTSMOOTHINGORIENTATION = 8210, | ||
| SPI_SETFONTSMOOTHINGORIENTATION = 8211 | ||
| } | ||
| [Flags] | ||
| public enum SystemParamtersInfoFlags : uint | ||
| { | ||
| None = 0, | ||
| SPIF_UPDATEINIFILE = 1, | ||
| SPIF_SENDCHANGE = 2, | ||
| SPIF_SENDWININICHANGE = 2 | ||
| } | ||
|
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto, EntryPoint = "GetCursorPos")] | ||
| public static extern bool GetCursorPos(out PointInt32 pt); | ||
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| [DllImport(User32Window.LibraryName, CharSet = CharSet.Auto, EntryPoint = "WindowFromPoint")] | ||
| public static extern IntPtr WindowFromPoint(PointInt32 pt); | ||
| } | ||
|
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| internal delegate void MouseUpEventHandler(object? sender, Point p); | ||
| } |
10 changes: 10 additions & 0 deletions
10
System.Application.SteamTools.Client.Desktop.Windows/NativeMethods.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| using System.Runtime.InteropServices; | ||
|
|
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| namespace System | ||
| { | ||
| internal static class NativeMethods | ||
| { | ||
| [DllImport("Avrt.dll", CharSet = CharSet.Unicode)] | ||
| public static extern IntPtr AvSetMmThreadCharacteristics(string taskName, ref uint taskIndex); | ||
| } | ||
| } |
18 changes: 18 additions & 0 deletions
18
System.Application.SteamTools.Client.Desktop.Windows/PointInt32.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| using System.Runtime.InteropServices; | ||
|
|
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| namespace System | ||
| { | ||
| [Serializable] | ||
| [StructLayout(LayoutKind.Sequential)] | ||
| internal struct PointInt32 | ||
| { | ||
| public int X; | ||
| public int Y; | ||
|
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| public PointInt32(int x, int y) | ||
| { | ||
| X = x; | ||
| Y = y; | ||
| } | ||
| } | ||
| } |
13 changes: 13 additions & 0 deletions
13
System.Application.SteamTools.Client.Desktop.Windows/RECT.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| using System.Runtime.InteropServices; | ||
|
|
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| namespace System | ||
| { | ||
| [StructLayout(LayoutKind.Sequential)] | ||
| internal class RECT | ||
| { | ||
| public int left; | ||
| public int top; | ||
| public int width; | ||
| public int height; | ||
| } | ||
| } |
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