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panduvittala
panduvittala
Inspiring
March 3, 2014
Answered

plugin panel with qt GUI turns white while moving panel on windows

  • March 3, 2014
  • 1 reply
  • 3400 views

The subject says it all. My plugin has a panel rendered by qt (using qwinwidget). When I try to move the panel by dragging using mouse, the qt UI part turns completely white. It goes back to normal when the mouse is released. This  happens only on windows - mac works fine. Has anybody faced this issue? How to fix this? Thanks in advance.

Qt: 485

Illustrator: CC

OS: Windows 7 64 bit

This topic has been closed for replies.
Correct answer A. Patterson

Thank you so much.


You can find the sample here. I built it using the upcoming CC SDK but I think it should be okay for compiling on the older CC. If you need to run this on CS6 you may need to tweak a few things, but I think most of the Empty Panel sample code is the same CS6+.

You'll need to have QTDIR defined before opening Studio for this to work. It also uses an environment variable called ILLUSTRATOR that points to the root of the Illustrator folder, but only for debugging.

http://file-post.net/en/fs5/data/1402427655_2834312253_72/?id=Og6sjxBLISjU

Note that this download expires in 3 days. I built the code and got the white-while-dragging bug. Then I dropped in my windows message proc function and it went away, so that should be a good example of the fix.

1 reply

panduvittala
panduvittalaAuthor
Inspiring
April 1, 2014

Help please! I am stuck

V
vincentdoan
Known Participant
April 1, 2014

Post the code and any info relevant info for us to understand the big picture before attempting to guess the problem.

Qt and Ai Plugin solution is very complicated, we all faced many problems and if you don't describle visually and accurately it is hard to help you solve it.

panduvittala
panduvittalaAuthor
Inspiring
April 2, 2014

Do you compile Qt from source?

Did you remove any source code before compile?

And did you use Qt as a separate lib or did you build everything at once?

I suggest to add whatever Qt stuff to the EmptyPanel example and see if the problem still exist and dubug from there.

You show us only a few line of codes and does not even use hDlg anywhere.

It seems no one experience the same problem you are.


AIPanelPlatformWindow hDlg = NULL;

error = sAIPanel->GetPlatformWindow(fPanel, hDlg);

int argc=0;

qapp=new QApplication(argc, 0);

QWinWidget *win=new QWinWidget(hDlg);

QPushButton *pb = new QPushButton("Qt command button", win);

Sorry there was a mistake in my previous code due to copy paste. Here is the actual code. I have added this in emptypanel example (instead of native UI code in addwidgets method, I am using qt). I have tried this with both qt precompiled binaries as well as building it from source. I have not modified any Qt source or compilation options. Qt libraries (qtcore/qtgui) are dynamically linked.

Here is the link for video

http://tinypic.com/r/dnhc2w/8

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