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88 lines
3.4 KiB
C#
88 lines
3.4 KiB
C#
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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.Drawing;
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using System.Windows.Forms;
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using MouseJumpUI.Drawing.Models;
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namespace MouseJumpUI.Helpers;
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internal static class MouseHelper
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{
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/// <summary>
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/// Calculates where to move the cursor to by projecting a point from
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/// the preview image onto the desktop and using that as the target location.
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/// </summary>
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/// <remarks>
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/// The preview image origin is (0, 0) but the desktop origin may be non-zero,
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/// or even negative if the primary monitor is not the at the top-left of the
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/// entire desktop rectangle, so results may contain negative coordinates.
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/// </remarks>
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public static PointInfo GetJumpLocation(PointInfo previewLocation, SizeInfo previewSize, RectangleInfo desktopBounds)
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{
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return previewLocation
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.Scale(previewSize.ScaleToFitRatio(desktopBounds.Size))
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.Offset(desktopBounds.Location);
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}
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/// <summary>
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/// Moves the cursor to the specified location.
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/// </summary>
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/// <remarks>
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/// See https://github.com/mikeclayton/FancyMouse/pull/3
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/// </remarks>
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public static void JumpCursor(PointInfo location)
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{
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// set the new cursor position *twice* - the cursor sometimes end up in
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// the wrong place if we try to cross the dead space between non-aligned
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// monitors - e.g. when trying to move the cursor from (a) to (b) we can
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// *sometimes* - for no clear reason - end up at (c) instead.
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//
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// +----------------+
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// |(c) (b) |
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// | |
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// | |
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// | |
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// +---------+ |
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// | (a) | |
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// +---------+----------------+
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//
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// setting the position a second time seems to fix this and moves the
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// cursor to the expected location (b)
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var point = location.ToPoint();
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Cursor.Position = point;
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Cursor.Position = point;
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}
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/// <summary>
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/// Sends an input simulating an absolute mouse move to the new location.
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/// </summary>
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/// <remarks>
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/// See https://github.com/microsoft/PowerToys/issues/24523
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/// https://github.com/microsoft/PowerToys/pull/24527
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/// </remarks>
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public static void SimulateMouseMovementEvent(Point location)
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{
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var mouseMoveInput = new NativeMethods.INPUT
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{
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type = NativeMethods.INPUTTYPE.INPUT_MOUSE,
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data = new NativeMethods.InputUnion
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{
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mi = new NativeMethods.MOUSEINPUT
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{
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dx = NativeMethods.CalculateAbsoluteCoordinateX(location.X),
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dy = NativeMethods.CalculateAbsoluteCoordinateY(location.Y),
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mouseData = 0,
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dwFlags = (uint)NativeMethods.MOUSE_INPUT_FLAGS.MOUSEEVENTF_MOVE
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| (uint)NativeMethods.MOUSE_INPUT_FLAGS.MOUSEEVENTF_ABSOLUTE,
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time = 0,
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dwExtraInfo = 0,
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},
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},
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};
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var inputs = new NativeMethods.INPUT[] { mouseMoveInput };
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_ = NativeMethods.SendInput(1, inputs, NativeMethods.INPUT.Size);
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}
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}
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