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#5055: Fix custom cursor sizes
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parent
0b8089d5be
commit
a140c6eac5
1 changed files with 27 additions and 23 deletions
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@ -33,9 +33,10 @@ public class CursorData
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{
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public IntPtr Handle { get; private set; }
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public Point Position { get; private set; }
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public Size Size { get; private set; }
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public float SizeMultiplier { get; private set; }
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public Point Hotspot { get; private set; }
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public Point DrawPosition => new Point(Position.X - Hotspot.X, Position.Y - Hotspot.Y);
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public Size BaseSize { get; private set; }
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public bool IsVisible { get; private set; }
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public CursorData()
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@ -56,7 +57,8 @@ public void UpdateCursorData()
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{
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Handle = cursorInfo.hCursor;
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Position = cursorInfo.ptScreenPos;
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BaseSize = GetCursorBaseSize();
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Size = Size.Empty;
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SizeMultiplier = GetCursorSizeMultiplier();
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IsVisible = cursorInfo.flags == NativeConstants.CURSOR_SHOWING;
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if (IsVisible)
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@ -67,25 +69,24 @@ public void UpdateCursorData()
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{
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if (NativeMethods.GetIconInfo(iconHandle, out IconInfo iconInfo))
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{
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if (BaseSize.IsEmpty)
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{
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Hotspot = new Point(iconInfo.xHotspot, iconInfo.yHotspot);
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}
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else
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{
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float multiplier = BaseSize.Width / 32f;
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Hotspot = new Point((int)Math.Round(iconInfo.xHotspot * multiplier), (int)Math.Round(iconInfo.yHotspot * multiplier));
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}
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if (iconInfo.hbmMask != IntPtr.Zero)
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{
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NativeMethods.DeleteObject(iconInfo.hbmMask);
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}
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Hotspot = new Point((int)Math.Round(iconInfo.xHotspot * SizeMultiplier), (int)Math.Round(iconInfo.yHotspot * SizeMultiplier));
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if (iconInfo.hbmColor != IntPtr.Zero)
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{
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NativeMethods.DeleteObject(iconInfo.hbmColor);
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}
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if (iconInfo.hbmMask != IntPtr.Zero)
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{
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using (Bitmap bmpMask = Image.FromHbitmap(iconInfo.hbmMask))
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{
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int cursorWidth = bmpMask.Width;
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int cursorHeight = iconInfo.hbmColor != IntPtr.Zero ? bmpMask.Height : bmpMask.Height / 2;
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Size = new Size((int)Math.Round(cursorWidth * SizeMultiplier), (int)Math.Round(cursorHeight * SizeMultiplier));
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}
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NativeMethods.DeleteObject(iconInfo.hbmMask);
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}
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}
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NativeMethods.DestroyIcon(iconHandle);
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@ -94,17 +95,20 @@ public void UpdateCursorData()
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}
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}
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public static Size GetCursorBaseSize()
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public static float GetCursorSizeMultiplier()
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{
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float sizeMultiplier = 1f;
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try
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{
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int cursorBaseSize = RegistryHelpers.GetValueDWord(@"Control Panel\Cursors", "CursorBaseSize");
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return new Size(cursorBaseSize, cursorBaseSize);
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int cursorSize = RegistryHelpers.GetValueDWord(@"SOFTWARE\Microsoft\Accessibility", "CursorSize");
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sizeMultiplier = 1f + ((cursorSize - 1) * 0.5f);
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}
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catch
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{
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return Size.Empty;
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}
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return sizeMultiplier;
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}
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public void DrawCursor(IntPtr hdcDest)
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@ -119,7 +123,7 @@ public void DrawCursor(IntPtr hdcDest, Point offset)
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Point drawPosition = new Point(DrawPosition.X - offset.X, DrawPosition.Y - offset.Y);
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drawPosition = CaptureHelpers.ScreenToClient(drawPosition);
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NativeMethods.DrawIconEx(hdcDest, drawPosition.X, drawPosition.Y, Handle, BaseSize.Width, BaseSize.Height, 0, IntPtr.Zero, NativeConstants.DI_NORMAL);
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NativeMethods.DrawIconEx(hdcDest, drawPosition.X, drawPosition.Y, Handle, Size.Width, Size.Height, 0, IntPtr.Zero, NativeConstants.DI_NORMAL);
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}
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}
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@ -147,13 +151,13 @@ public Bitmap ToBitmap()
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{
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Size cursorSize;
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if (BaseSize.IsEmpty)
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if (Size.IsEmpty)
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{
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cursorSize = new Size(32, 32);
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}
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else
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{
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cursorSize = BaseSize;
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cursorSize = Size;
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}
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Bitmap bmp = new Bitmap(cursorSize.Width, cursorSize.Height);
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