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[CoreGraphics] Bind CGEventSetIntegerValueField and CGEventSetDoubleValueField. Fixes #12650. #20424

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Apr 11, 2024
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[CoreGraphics] Bind CGEventSetIntegerValueField and CGEventSetDoubleValueField. Fixes #12650. #20424

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82 changes: 76 additions & 6 deletions src/CoreGraphics/CGEvent.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ namespace CoreGraphics {
[MacCatalyst (13,1)]
#endif
public sealed class CGEvent : NativeObject {
#if !COREBUILD
public delegate IntPtr CGEventTapCallback (IntPtr tapProxyEvent, CGEventType eventType, IntPtr eventRef, IntPtr userInfo);

static ConditionalWeakTable<CFMachPort, TapData>? tap_table;
Expand Down Expand Up @@ -340,62 +341,129 @@ public CGEventFlags Flags {
}

[DllImport (Constants.ApplicationServicesCoreGraphicsLibrary, EntryPoint="CGEventGetIntegerValueField")]
internal extern static long GetLong (IntPtr eventHandle, CGEventField eventField);
extern static long GetLong (IntPtr eventHandle, CGEventField eventField);

[DllImport (Constants.ApplicationServicesCoreGraphicsLibrary, EntryPoint="CGEventSetIntegerValueField")]
extern static void SetLong (IntPtr eventHandle, CGEventField eventField, long value);

[DllImport (Constants.ApplicationServicesCoreGraphicsLibrary, EntryPoint="CGEventGetDoubleValueField")]
internal extern static double GetDouble (IntPtr eventHandle, CGEventField eventField);
extern static double GetDouble (IntPtr eventHandle, CGEventField eventField);

[DllImport (Constants.ApplicationServicesCoreGraphicsLibrary, EntryPoint="CGEventSetDoubleValueField")]
extern static void SetDouble (IntPtr eventHandle, CGEventField eventField, double value);

/// <summary>Get the 64-bit integer value of the specified event field.</summary>
/// <param name="field">The field whose value to get.</param>
/// <returns>The 64-bit integer value of the specified event field.</returns>
public long GetLongValueField (CGEventField field)
{
return GetLong (Handle, field);
}

/// <summary>Get the double value of the specified event field.</summary>
/// <param name="field">The field whose value to get.</param>
/// <returns>The double value of the specified event field.</returns>
public double GetDoubleValueField (CGEventField field)
{
return GetDouble (Handle, field);
}

/// <summary>Set a 64-bit integer value for the specified event field.</summary>
/// <param name="field">The field whose value to set.</param>
/// <param name="value">The value to set.</param>
public void SetValueField (CGEventField field, long value)
{
SetLong (Handle, field, value);
}

internal long GetLong (CGEventField eventField)
/// <summary>Set a double value for the specified event field.</summary>
/// <param name="field">The field whose value to set.</param>
/// <param name="value">The value to set.</param>
public void SetValueField (CGEventField field, double value)
{
return GetLong (Handle, eventField);
SetDouble (Handle, field, value);
}

/// <summary>The mouse button event number.</summary>
/// <remarks>Matching mouse down and mouse up events will have the same event number.</remarks>
public long MouseEventNumber {
get {
return GetLong (Handle, CGEventField.MouseEventNumber);
}
set {
SetLong (Handle, CGEventField.MouseEventNumber, value);
}
}

/// <summary>The mouse button click state.</summary>
/// <remarks>A value of 1 is a single click, a value of 2 is a double click, and so on.</remarks>
public long MouseEventClickState {
get {
return GetLong (Handle, CGEventField.MouseEventClickState);
}
set {
SetLong (Handle, CGEventField.MouseEventClickState, value);
}
}

/// <summary>The mouse button pressure state, ranging from 0 (mouse being up) to 1.</summary>
public double MouseEventPressure {
get {
return GetDouble (Handle, CGEventField.MouseEventPressure);
}
set {
SetDouble (Handle, CGEventField.MouseEventPressure, value);
}
}

/// <summary>The mouse button number.</summary>
public long MouseEventButtonNumber {
get {
return GetLong (Handle, CGEventField.MouseEventButtonNumber);
}
set {
SetLong (Handle, CGEventField.MouseEventButtonNumber, value);
}
}

/// <summary>The horizontal delta since the last mouse movement event.</summary>
public long MouseEventDeltaX {
get {
return GetLong (Handle, CGEventField.MouseEventDeltaX);
}
set {
SetLong (Handle, CGEventField.MouseEventDeltaX, value);
}
}

/// <summary>The vertical delta since the last mouse movement event.</summary>
public long MouseEventDeltaY {
get {
return GetLong (Handle, CGEventField.MouseEventDeltaY);
}
set {
SetLong (Handle, CGEventField.MouseEventDeltaY, value);
}
}

/// <summary>A value indicating whether the event should be ignored by the Inkwell subsystem.</summary>
public bool MouseEventInstantMouser {
get {
return GetLong (Handle, CGEventField.MouseEventButtonNumber) != 0;
return GetLong (Handle, CGEventField.MouseEventInstantMouser) != 0;
}
set {
SetLong (Handle, CGEventField.MouseEventInstantMouser, value ? 1 : 0);
}
}

/// <summary>The mouse event subtype.</summary>
public long MouseEventSubtype {
get {
return GetLong (Handle, CGEventField.MouseEventSubtype);
}
set {
SetLong (Handle, CGEventField.MouseEventSubtype, value);
}
}

[DllImport (Constants.ApplicationServicesCoreGraphicsLibrary)]
Expand Down Expand Up @@ -656,9 +724,10 @@ public void PostToPid (int pid)
[Mac (11,0)]
#endif
public static bool RequestPostEventAccess () => CGRequestPostEventAccess () != 0;

#endif // !COREBUILD
}

#if !COREBUILD
#if NET
[SupportedOSPlatform ("macos")]
[SupportedOSPlatform ("maccatalyst")]
Expand All @@ -675,6 +744,7 @@ public struct CGEventTapInformation {
public float /* float */ AvgUsecLatency;
public float /* float */ MaxUsecLatency;
};
#endif // !COREBUILD

}

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