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Getting position (Point) of text cursor in editor [message #493485]

Mon, 26 October 2009 09:48

Andrey
Messages: 4
Registered: October 2009

Junior Member

I'm trying to show custom popup menu at text cursor position in editor. So I create a command and key binding then add command handler where I creates popup menu and open it. But how can I get text cursor position to show my popup at cursor?

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Re: Getting position (Point) of text cursor in editor [message #494754 is a reply to message #493485]

Mon, 02 November 2009 09:15

Matthias Kohles
Messages: 71
Registered: July 2009

Member

do you mean the line number in the opened document where the cursor is currently positioned?

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Re: Getting position (Point) of text cursor in editor [message #494785 is a reply to message #494754]

Mon, 02 November 2009 11:18

Artur Kronenberg
Messages: 159
Registered: August 2009

Senior Member

The current position of your cursor is represented by the offset. When you are in an text editor you can get the ITextEditor like that:

public static ITextEditor getITextEditor(IEditorPart editor) {
		ITextEditor textEditor = null;
		if (editor instanceof ITextEditor) {
			textEditor = (ITextEditor) editor;
		} else {
			textEditor = (ITextEditor) editor.getAdapter(ITextEditor.class);
		}
		return textEditor;
	}

When you have the text editor you can get the ITextSelection and in there the offset.

If you use a handler this might give you the neccessary selection where you find the offset:

HandlerUtil.getCurrentSelection(event)

Best,
Artur

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Re: Getting position (Point) of text cursor in editor [message #494927 is a reply to message #494785]

Tue, 03 November 2009 05:01

Andrey
Messages: 4
Registered: October 2009

Junior Member

Yep, I know how to get offset. But I don't know how to convert offset to exact position in pixels (x,y).

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Re: Getting position (Point) of text cursor in editor [message #603076 is a reply to message #494754]

Mon, 02 November 2009 11:18

Artur Kronenberg
Messages: 159
Registered: August 2009

Senior Member

The current position of your cursor is represented by the offset. When you are in an text editor you can get the ITextEditor like that:

public static ITextEditor getITextEditor(IEditorPart editor) {
ITextEditor textEditor = null;
if (editor instanceof ITextEditor) {
textEditor = (ITextEditor) editor;
} else {
textEditor = (ITextEditor) editor.getAdapter(ITextEditor.class);
}
return textEditor;
}

When you have the text editor you can get the ITextSelection and in there the offset.

If you use a handler this might give you the neccessary selection where you find the offset:

HandlerUtil.getCurrentSelection(event)

Best,
Artur

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Re: Getting position (Point) of text cursor in editor [message #603094 is a reply to message #603076]

Tue, 03 November 2009 05:02

Andrey
Messages: 4
Registered: October 2009

Junior Member

Yep, I know how to get offset. But I don't know how to convert offset to exact position in pixels (x,y).

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Re: Getting position (Point) of text cursor in editor [message #849879 is a reply to message #603094]

Thu, 19 April 2012 10:28

Eclipse User

Hello NG,
I have the same problem. Is it possible anyhow to resolve the current x
and y coordinates in pixels for the current cursor position in a text
editor for displaying a tooltip at?

best regards,
Gilbert

Andrey wrote:
> Yep, I know how to get offset. But I don't know how to convert offset to
> exact position in pixels (x,y).

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Re: Getting position (Point) of text cursor in editor [message #853622 is a reply to message #849879]

Mon, 23 April 2012 03:16

Eclipse User

no ideas?

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