<br><br><div class="gmail_quote">On Fri, Nov 13, 2009 at 5:56 AM, Deepayan Sarkar <span dir="ltr"><<a href="mailto:deepayan.sarkar@gmail.com">deepayan.sarkar@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi (Michael, mostly),<br>
<br>
I'm at the stage where I'm happy with updates to qtutils, which is<br>
basically all R code, using signals etc.<br>
<br>
My next target is qtdevices, i.e., a traditional R graphics device<br>
using QGraphicsScene. Is this feasible at this point? I've checked in<br>
a few relevant questions in qtbase/questions.txt, the first couple of<br>
which would help me plan my next steps:<br>
<br>
<br>
o Can we use user-written classes (defined in C++) from R yet? e.g.,<br>
RSyntaxHighlighter<br>
<br></blockquote><div><br>Yes, this is possible. Check out, for example, the class wizard demo. <br> <br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
o Related question: Let's say I want to manipulate a QWidget in<br>
native code; e.g.<br>
<br>
In R:<br>
<br>
edit <- Qt$QTextEdit()<br>
<br>
The in C++:<br>
<br>
QTextEdit *editor = getPointer(edit);<br>
RSyntaxHighlighter *highlighter =<br>
new RSyntaxHighlighter(editor->document());<br>
<br>
unwrapQWidget() doesn't work obviously, as it uses the old model.<br>
What would be the equivalent in the new world? If this is<br>
available, then we probably get some flexibility in using both the<br>
old and new models together, even if we can't easily make new C++<br>
classes available in R.<br>
<br>
<br></blockquote><div><br>This would be unwrapSmoke().<br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Any thoughts?<br>
<br>
-Deepayan<br>
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