Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Logging/Views/ApplicationLogsView.xaml


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generated by cgit v1.3.1 (git 2.54.0) at 2026-07-12 08:22:30 +0000
 

="n">TextView.GetBounds(source);
			Rect characterBounds = textArea.TextView.GetCharacterBounds(textArea.Caret.Position, source);
			CompositionForm form = new CompositionForm();
			form.dwStyle = 0x0020;
			form.ptCurrentPos.x = (int)Math.Max(characterBounds.Left, textViewBounds.Left);
			form.ptCurrentPos.y = (int)Math.Max(characterBounds.Top, textViewBounds.Top);
			form.rcArea.left = (int)textViewBounds.Left;
			form.rcArea.top = (int)textViewBounds.Top;
			form.rcArea.right = (int)textViewBounds.Right;
			form.rcArea.bottom = (int)textViewBounds.Bottom;
			return ImmSetCompositionWindow(hIMC, ref form);
		}
		
		public static bool SetCompositionFont(HwndSource source, IntPtr hIMC, TextArea textArea)
		{
			if (textArea == null)
				throw new ArgumentNullException("textArea");
			LOGFONT lf = new LOGFONT();
			Rect characterBounds = textArea.TextView.GetCharacterBounds(textArea.Caret.Position, source);
			lf.lfFaceName = textArea.FontFamily.Source;
			lf.lfHeight = (int)characterBounds.Height;
			return ImmSetCompositionFont(hIMC, ref lf);
		}
		
		static Rect GetBounds(this TextView textView, HwndSource source)
		{
			// this may happen during layout changes in AvalonDock, so we just return an empty rectangle
			// in those cases. It should be refreshed immediately.
			if (source.RootVisual == null || !source.RootVisual.IsAncestorOf(textView))
				return EMPTY_RECT;
			Rect displayRect = new Rect(0, 0, textView.ActualWidth, textView.ActualHeight);
			return textView
				.TransformToAncestor(source.RootVisual).TransformBounds(displayRect) // rect on root visual
				.TransformToDevice(source.RootVisual); // rect on HWND
		}
		
		static readonly Rect EMPTY_RECT = new Rect(0, 0, 0, 0);
		
		static Rect GetCharacterBounds(this TextView textView, TextViewPosition pos, HwndSource source)
		{
			VisualLine vl = textView.GetVisualLine(pos.Line);
			if (vl == null)
				return EMPTY_RECT;
			// this may happen during layout changes in AvalonDock, so we just return an empty rectangle
			// in those cases. It should be refreshed immediately.
			if (source.RootVisual == null || !source.RootVisual.IsAncestorOf(textView))
				return EMPTY_RECT;
			TextLine line = vl.GetTextLine(pos.VisualColumn);
			Rect displayRect;
			// calculate the display rect for the current character
			if (pos.VisualColumn < vl.VisualLengthWithEndOfLineMarker) {
				displayRect = line.GetTextBounds(pos.VisualColumn, 1).First().Rectangle;
				displayRect.Offset(0, vl.GetTextLineVisualYPosition(line, VisualYPosition.LineTop));
			} else {
				// if we are in virtual space, we just use one wide-space as character width
				displayRect = new Rect(vl.GetVisualPosition(pos.VisualColumn, VisualYPosition.TextTop),
				                       new Size(textView.WideSpaceWidth, textView.DefaultLineHeight));
			}
			// adjust to current scrolling
			displayRect.Offset(-textView.ScrollOffset);
			return textView
				.TransformToAncestor(source.RootVisual).TransformBounds(displayRect) // rect on root visual
				.TransformToDevice(source.RootVisual); // rect on HWND
		}
	}
	
	[ComImport, Guid("aa80e801-2021-11d2-93e0-0060b067b86e"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
	interface ITfThreadMgr
	{
		void Activate(out int clientId);
		void Deactivate();
		void CreateDocumentMgr(out IntPtr docMgr);
		void EnumDocumentMgrs(out IntPtr enumDocMgrs);
		void GetFocus(out IntPtr docMgr);
		void SetFocus(IntPtr docMgr);
		void AssociateFocus(IntPtr hwnd, IntPtr newDocMgr, out IntPtr prevDocMgr);
		void IsThreadFocus([MarshalAs(UnmanagedType.Bool)] out bool isFocus);
		void GetFunctionProvider(ref Guid classId, out IntPtr funcProvider);
		void EnumFunctionProviders(out IntPtr enumProviders);
		void GetGlobalCompartment(out IntPtr compartmentMgr);
	}
}