90 lines
2.3 KiB
C#
90 lines
2.3 KiB
C#
using CPF.Mac.CoreFoundation;
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using CPF.Mac.Foundation;
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using CPF.Mac.ObjCRuntime;
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using System;
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using System.Runtime.InteropServices;
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namespace CPF.Mac.CoreText
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{
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[Since(3, 2)]
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public class CTTextTab : INativeObject, IDisposable
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{
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internal IntPtr handle;
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public IntPtr Handle => handle;
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public CTTextAlignment TextAlignment => CTTextTabGetAlignment(handle);
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public double Location => CTTextTabGetLocation(handle);
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internal CTTextTab(IntPtr handle, bool owns)
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{
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if (handle == IntPtr.Zero)
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{
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throw ConstructorError.ArgumentNull(this, "handle");
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}
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this.handle = handle;
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if (!owns)
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{
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CFObject.CFRetain(handle);
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}
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}
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~CTTextTab()
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{
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Dispose(disposing: false);
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}
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public void Dispose()
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{
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (handle != IntPtr.Zero)
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{
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CFObject.CFRelease(handle);
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handle = IntPtr.Zero;
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}
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}
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[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
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private static extern IntPtr CTTextTabCreate(CTTextAlignment alignment, double location, IntPtr options);
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public CTTextTab(CTTextAlignment alignment, double location)
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: this(alignment, location, null)
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{
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}
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public CTTextTab(CTTextAlignment alignment, double location, CTTextTabOptions options)
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{
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handle = CTTextTabCreate(alignment, location, options?.Dictionary.Handle ?? IntPtr.Zero);
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if (handle == IntPtr.Zero)
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{
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throw ConstructorError.Unknown(this);
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}
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}
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[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
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private static extern CTTextAlignment CTTextTabGetAlignment(IntPtr tab);
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[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
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private static extern double CTTextTabGetLocation(IntPtr tab);
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[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/CoreText")]
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private static extern IntPtr CTTextTabGetOptions(IntPtr tab);
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public CTTextTabOptions GetOptions()
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{
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IntPtr intPtr = CTTextTabGetOptions(handle);
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if (intPtr == IntPtr.Zero)
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{
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return null;
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}
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return new CTTextTabOptions((NSDictionary)Runtime.GetNSObject(intPtr));
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}
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}
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}
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