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[New Utility]Mouse Without Borders
* Integrate Mouse Without Borders into PowerToys --------- Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>
This commit is contained in:
Andrey Nekrasov
committed by
Jaime Bernardo
Jaime Bernardo
parent
a0b9af039d
commit
29eebe16a4
405
src/modules/MouseWithoutBorders/App/Class/Common.DragDrop.cs
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405
src/modules/MouseWithoutBorders/App/Class/Common.DragDrop.cs
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// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Threading;
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using System.Windows.Forms;
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using Microsoft.PowerToys.Telemetry;
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// <summary>
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// Drag/Drop implementation.
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// </summary>
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// <history>
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// 2008 created by Truong Do (ductdo).
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// 2009-... modified by Truong Do (TruongDo).
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// 2023- Included in PowerToys.
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// </history>
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using MouseWithoutBorders.Class;
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namespace MouseWithoutBorders
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{
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/* Common.DragDrop.cs
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* Drag&Drop is one complicated implementation of the tool with some tricks.
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*
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* SEQUENCE OF EVENTS:
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* DragDropStep01: MachineX: Remember mouse down state since it could be a start of a dragging
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* DragDropStep02: MachineY: Send an message to the MachineX to ask it to check if it is
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* doing drag/drop
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* DragDropStep03: MachineX: Got explorerDragDrop, send WM_CHECK_EXPLORER_DRAG_DROP to its mainForm
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* DragDropStep04: MachineX: Show Mouse Without Borders Helper form at mouse cursor to get DragEnter event.
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* DragDropStepXX: MachineX: Mouse Without Borders Helper: Called by DragEnter, check if dragging a single file,
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* remember the file (set as its window caption)
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* DragDropStep05: MachineX: Get the file name from Mouse Without Borders Helper, hide Mouse Without Borders Helper window
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* DragDropStep06: MachineX: Broadcast a message saying that it has some drag file.
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* DragDropStep08: MachineY: Got ClipboardDragDrop, isDropping set, get the MachineX name from the package.
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* DragDropStep09: MachineY: Since isDropping is true, show up the drop form (looks like an icon).
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* DragDropStep10: MachineY: MouseUp, set isDropping to false, hide the drop "icon" and get data.
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* DragDropStep11: MachineX: Mouse move back without drop event, cancelling drag/dop
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* SendClipboardBeatDragDropEnd
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* DragDropStep12: MachineY: Hide the drop "icon" when received ClipboardDragDropEnd.
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*
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* FROM VERSION 1.6.3: Drag/Drop is temporary removed, Drop action cannot be done from a lower integrity app to a higher one.
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* We have to run a helper process...
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* http://forums.microsoft.com/MSDN/ShowPost.aspx?PageIndex=1&SiteID=1&PageID=1&PostID=736086
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*
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* 2008.10.28: Trying to restore the Drag/Drop feature by adding the drag/drop helper process. Coming in version
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* 1.6.5
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* */
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internal partial class Common
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{
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private static bool isDragging;
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internal static bool IsDragging
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{
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get => Common.isDragging;
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set => Common.isDragging = value;
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}
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internal static void DragDropStep01(int wParam)
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{
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if (!Setting.Values.TransferFile)
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{
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return;
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}
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if (wParam == WM_LBUTTONDOWN)
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{
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MouseDown = true;
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DragMachine = desMachineID;
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dropMachineID = ID.NONE;
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LogDebug("DragDropStep01: MouseDown");
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}
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else if (wParam == WM_LBUTTONUP)
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{
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MouseDown = false;
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LogDebug("DragDropStep01: MouseUp");
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}
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if (wParam == WM_RBUTTONUP && IsDropping)
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{
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IsDropping = false;
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LastIDWithClipboardData = ID.NONE;
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}
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}
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internal static void DragDropStep02()
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{
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if (desMachineID == MachineID)
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{
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LogDebug("DragDropStep02: SendCheckExplorerDragDrop sent to myself");
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DoSomethingInUIThread(() =>
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{
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_CHECK_EXPLORER_DRAG_DROP, (IntPtr)0, (IntPtr)0);
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});
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}
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else
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{
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SendCheckExplorerDragDrop();
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LogDebug("DragDropStep02: SendCheckExplorerDragDrop sent");
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}
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}
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internal static void DragDropStep03(DATA package)
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{
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if (RunOnLogonDesktop || RunOnScrSaverDesktop)
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{
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return;
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}
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if (package.Des == MachineID || package.Des == ID.ALL)
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{
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LogDebug("DragDropStep03: ExplorerDragDrop Received.");
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dropMachineID = package.Src; // Drop machine is the machine that sent ExplorerDragDrop
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if (MouseDown || IsDropping)
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{
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LogDebug("DragDropStep03: Mouse is down, check if dragging...sending WM_CHECK_EXPLORER_DRAG_DROP to myself...");
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DoSomethingInUIThread(() =>
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{
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_CHECK_EXPLORER_DRAG_DROP, (IntPtr)0, (IntPtr)0);
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});
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}
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}
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}
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private static int dragDropStep05ExCalledByIpc;
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internal static void DragDropStep04()
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{
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if (!IsDropping)
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{
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IntPtr h = (IntPtr)NativeMethods.FindWindow(null, Common.HELPER_FORM_TEXT);
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if (h.ToInt32() > 0)
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{
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_ = Interlocked.Exchange(ref dragDropStep05ExCalledByIpc, 0);
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MainForm.Hide();
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MainFormVisible = false;
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Point p = default;
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// NativeMethods.SetWindowText(h, "");
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_ = NativeMethods.SetWindowPos(h, NativeMethods.HWND_TOPMOST, 0, 0, 0, 0, NativeMethods.SWP_SHOWWINDOW);
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for (int i = -10; i < 10; i++)
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{
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if (dragDropStep05ExCalledByIpc > 0)
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{
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LogDebug("DragDropStep04: DragDropStep05ExCalledByIpc.");
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break;
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}
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_ = NativeMethods.GetCursorPos(ref p);
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LogDebug("DragDropStep04: Moving Mouse Without Borders Helper to (" + p.X.ToString(CultureInfo.CurrentCulture) + ", " + p.Y.ToString(CultureInfo.CurrentCulture) + ")");
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_ = NativeMethods.SetWindowPos(h, NativeMethods.HWND_TOPMOST, p.X - 100 + i, p.Y - 100 + i, 200, 200, 0);
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_ = NativeMethods.SendMessage(h, 0x000F, IntPtr.Zero, IntPtr.Zero); // WM_PAINT
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Thread.Sleep(20);
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Application.DoEvents();
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// if (GetText(h).Length > 1) break;
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}
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}
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else
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{
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LogDebug("DragDropStep04: Mouse without Borders Helper not found!");
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}
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}
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else
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{
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LogDebug("DragDropStep04: IsDropping == true, skip checking");
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}
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LogDebug("DragDropStep04: Got WM_CHECK_EXPLORER_DRAG_DROP, done with processing jump to DragDropStep05...");
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}
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internal static void DragDropStep05Ex(string dragFileName)
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{
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LogDebug("DragDropStep05 called.");
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_ = Interlocked.Exchange(ref dragDropStep05ExCalledByIpc, 1);
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if (RunOnLogonDesktop || RunOnScrSaverDesktop)
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{
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return;
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}
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if (!IsDropping)
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{
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_ = Common.ImpersonateLoggedOnUserAndDoSomething(() =>
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{
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if (!string.IsNullOrEmpty(dragFileName) && (File.Exists(dragFileName) || Directory.Exists(dragFileName)))
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{
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Common.LastDragDropFile = dragFileName;
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/*
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* possibleDropMachineID is used as desID sent in DragDropStep06();
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* */
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if (dropMachineID == ID.NONE)
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{
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dropMachineID = newDesMachineID;
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}
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DragDropStep06();
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LogDebug("DragDropStep05: File dragging: " + dragFileName);
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_HIDE_DD_HELPER, (IntPtr)1, (IntPtr)0);
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}
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else
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{
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LogDebug("DragDropStep05: File not found: [" + dragFileName + "]");
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_HIDE_DD_HELPER, (IntPtr)0, (IntPtr)0);
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}
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LogDebug("DragDropStep05: WM_HIDE_DDHelper sent");
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});
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}
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else
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{
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LogDebug("DragDropStep05: IsDropping == true, change drop machine...");
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IsDropping = false;
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MainFormVisible = true; // WM_HIDE_DRAG_DROP
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SendDropBegin(); // To dropMachineID set in DragDropStep03
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}
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MouseDown = false;
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}
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internal static void DragDropStep06()
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{
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IsDragging = true;
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LogDebug("DragDropStep06: SendClipboardBeatDragDrop");
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SendClipboardBeatDragDrop();
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SendDropBegin();
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}
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internal static void DragDropStep08(DATA package)
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{
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GetNameOfMachineWithClipboardData(package);
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LogDebug("DragDropStep08: ClipboardDragDrop Received. machine with drag file was set");
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}
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internal static void DragDropStep08_2(DATA package)
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{
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if (package.Des == MachineID && !RunOnLogonDesktop && !RunOnScrSaverDesktop)
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{
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IsDropping = true;
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dropMachineID = MachineID;
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LogDebug("DragDropStep08_2: ClipboardDragDropOperation Received. IsDropping set");
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}
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}
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internal static void DragDropStep09(int wParam)
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{
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if (wParam == WM_MOUSEMOVE && IsDropping)
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{
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// Show/Move form
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DoSomethingInUIThread(() =>
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{
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_SHOW_DRAG_DROP, (IntPtr)0, (IntPtr)0);
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});
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}
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else if (wParam == WM_LBUTTONUP && (IsDropping || IsDragging))
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{
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if (IsDropping)
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{
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// Hide form, get data
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DragDropStep10();
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}
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else
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{
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IsDragging = false;
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LastIDWithClipboardData = ID.NONE;
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}
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}
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}
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internal static void DragDropStep10()
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{
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LogDebug("DragDropStep10: Hide the form and get data...");
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IsDropping = false;
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IsDragging = false;
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LastIDWithClipboardData = ID.NONE;
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DoSomethingInUIThread(() =>
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{
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_HIDE_DRAG_DROP, (IntPtr)0, (IntPtr)0);
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});
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PowerToysTelemetry.Log.WriteEvent(new MouseWithoutBorders.Telemetry.MouseWithoutBordersDragAndDropEvent());
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GetRemoteClipboard("desktop");
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}
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internal static void DragDropStep11()
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{
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LogDebug("DragDropStep11: Mouse drag coming back, canceling drag/drop");
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SendClipboardBeatDragDropEnd();
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IsDropping = false;
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IsDragging = false;
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DragMachine = (ID)1;
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LastIDWithClipboardData = ID.NONE;
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LastDragDropFile = null;
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MouseDown = false;
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}
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internal static void DragDropStep12()
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{
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LogDebug("DragDropStep12: ClipboardDragDropEnd received");
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IsDropping = false;
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LastIDWithClipboardData = ID.NONE;
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DoSomethingInUIThread(() =>
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{
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_ = NativeMethods.PostMessage(MainForm.Handle, NativeMethods.WM_HIDE_DRAG_DROP, (IntPtr)0, (IntPtr)0);
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});
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}
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internal static void SendCheckExplorerDragDrop()
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{
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DATA package = new();
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package.Type = PackageType.ExplorerDragDrop;
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/*
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* package.src = newDesMachineID:
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* sent from the master machine but the src must be the
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* new des machine since the previous des machine will get this and set
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* to possibleDropMachineID in DragDropStep3()
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* */
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package.Src = newDesMachineID;
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package.Des = desMachineID;
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package.MachineName = MachineName;
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SkSend(package, null, false);
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}
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private static void ChangeDropMachine()
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{
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// desMachineID = current drop machine
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// newDesMachineID = new drop machine
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// 1. Cancelling dropping in current drop machine
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if (dropMachineID == MachineID)
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{
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// Drag/Drop coming through me
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IsDropping = false;
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}
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else
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{
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// Drag/Drop coming back
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SendClipboardBeatDragDropEnd();
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}
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// 2. SendClipboardBeatDragDrop to new drop machine
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// new drop machine is not me
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if (newDesMachineID != MachineID)
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{
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dropMachineID = newDesMachineID;
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SendDropBegin();
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}
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// New drop machine is me
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else
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{
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IsDropping = true;
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}
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}
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internal static void SendClipboardBeatDragDrop()
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{
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SendPackage(ID.ALL, PackageType.ClipboardDragDrop);
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}
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internal static void SendDropBegin()
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{
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LogDebug("SendDropBegin...");
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SendPackage(dropMachineID, PackageType.ClipboardDragDropOperation);
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}
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internal static void SendClipboardBeatDragDropEnd()
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{
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if (desMachineID != MachineID)
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{
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SendPackage(desMachineID, PackageType.ClipboardDragDropEnd);
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}
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}
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private static bool isDropping;
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private static ID dragMachine;
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internal static ID DragMachine
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{
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get => Common.dragMachine;
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set => Common.dragMachine = value;
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}
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internal static bool IsDropping
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{
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get => Common.isDropping;
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set => Common.isDropping = value;
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}
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internal static bool MouseDown { get; set; }
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}
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}
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