Win32::GUI RichEdit: get absolute cursor position

tomsell has asked for the wisdom of the Perl Monks concerning the following question:

Hi monks,

Trawling the 'Net didn't turn up anything, so I'd like to ask this seemingly simple question:

After placing the caret/cursor in a Win32::GUI RichEdit control, how do I determine its absolute position, i.e the offset relative to the beginning of the entire buffer? I.e. what the emacs lisp (point) function returns.

GetSel() is meaningful only when there's a selection. And chaining GetCursorPos(), ScreenToClient() and CharFromPos() won't help.

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Re: Win32::GUI RichEdit: get absolute cursor position by BrowserUk (Patriarch) on Aug 08, 2012 at 18:21 UTC
The call you want is GetCaretPos(). I've no idea if Win32::GUI exposes that api -- nor even how you would go about finding out from the horrible docs they provide -- but I know it is exposed by Win32::GuiTest and that should give you what you need. With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday' Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice. The start of some sanity?	[reply]
Re^2: Win32::GUI RichEdit: get absolute cursor position by tomsell (Acolyte) on Aug 09, 2012 at 08:26 UTC
Thanks for pointing out Win32::GuiTest which complements Win32::GUI quite nicely though `GetCaretPos()` comes up kinda empty. Anyway, the problem turned out to be my use of the wrong event handler. `onMouseDown` made `GetSel()` return erratic values. Asking `GetSel()` in the context of `onMouseUp` always returns the correct value for the insertion point. Win32::GUI docs: yeah, best to read the XS and MSDN...	[reply] [d/l] [select]