[MSW] Dialog not laid out correctly until it's resized

[Nathan Ridge]

Hello,

I'm experiencing a strange problem on MSW where, after adding some
controls to a dialog (specifically to a page inside a wxWizard),
the contents of the dialog are not laid out correctly until I
resize the dialog.

By "not laid out correctly", I mean that a panel is positioned
incorrectly and its contents are cut off.

By "resize" I mean either resizing it with the mouse as a user,
or calling SetSize() with a size different than the current size
(for example, one pixel greater). Calling SetSize() with the
current size does not fix the problem, even if I pass
wxSIZE_FORCE or wxSIZE_FORCE_EVENT.

It works perfectly with GTK - only MSW has this problem.

It does seem to be related to painting, as calling Refresh() and
Update() on the dialog does not help (nor does dragging the dialog
around on the screen, or dragging it off-screen and back on).

It does not seem to be related to sizer layout either, as
GetPosition() on the sizer item that is wrongly placed returns the
correct value (i.e. not what I see on the screen). I've also called
Layout() on all relevant sizers.

To try to understand why SetSize() makes the problem go away, I
looked its implementation on MSW. It seems to be doing two things:

   1) firing a wxSizeEvent
   2) calling the MoveWindow() API

I tried doing these things independent of each other, to see which
makes the problem go away, and it's the MoveWindow() call. Firing a
wxSizeEvent has no effect. The MoveWindow() call also has no effect
if I pass in the window's current size - I need to pass in a
different size.

I'm at a loss as to how to debug the problem further.

Has anyone seen behaviour like this before? Any ideas on how to
fix it (other than resizing the window to a slightly different size,
of course)?

Thanks,
Nate

[Nathan Ridge]

Post by Nathan Ridge
It does seem to be related to painting, as calling Refresh() and
Update() on the dialog does not help (nor does dragging the dialog
around on the screen, or dragging it off-screen and back on).

That should say, "It does NOT seem to be related to painting."

Also, a detail I forgot to mention is that I'm pretty sure this used
to work correctly with a previous version of wxWidgets - I don't
recall exactly which, possibly 2.9.4 or thereabouts. Currently I'm
testing with 3.0.0.

Thanks,
Nate

[Eran Ifrah]

Assuming you are referring to the problem that a dialog starts with a given
size and once you try to resize it (even a pixel) it "jumps" to its initial
size, then yes, I have seen this.

It often happened to me when I try to set a size to the dialog (or any TLW
for that matters)
If I set the size to -1,-1 and then call GetSizer()->Realize(this); at the
end of the constructor (after I placed all the controls)
it works.
If you want an initial size of your choice and not what the sizer decides
for you, set should set a size to one of the child control

Post by Nathan Ridge

Post by Nathan Ridge
It does seem to be related to painting, as calling Refresh() and
Update() on the dialog does not help (nor does dragging the dialog
around on the screen, or dragging it off-screen and back on).

That should say, "It does NOT seem to be related to painting."
Also, a detail I forgot to mention is that I'm pretty sure this used
to work correctly with a previous version of wxWidgets - I don't
recall exactly which, possibly 2.9.4 or thereabouts. Currently I'm
testing with 3.0.0.
Thanks,
Nate
--
Please read http://www.wxwidgets.org/support/mlhowto.htm before posting.
or visit http://groups.google.com/group/wx-users

--
Eran Ifrah
Author of codelite, a cross platform open source C/C++ IDE:
http://www.codelite.org
wxCrafter, a wxWidgets RAD: http://wxcrafter.codelite.org

[Nathan Ridge]

Post by Eran Ifrah
Assuming you are referring to the problem that a dialog starts with a
given size and once you try to resize it (even a pixel) it "jumps" to
its initial size, then yes, I have seen this.

No, this is not my problem.

In my case, the dialog's initial size is fine and resizing it is also
fine.

However, later, when I add more controls to it, it does not lay out
the added controls correctly until I resize the dialog.

Regards,
Nate

[Jan Engelhardt]

Post by Nathan Ridge

Post by Eran Ifrah
Assuming you are referring to the problem that a dialog starts with a
given size and once you try to resize it (even a pixel) it "jumps" to
its initial size, then yes, I have seen this.

No, this is not my problem.
In my case, the dialog's initial size is fine and resizing it is also
fine.
However, later, when I add more controls to it, it does not lay out
the added controls correctly until I resize the dialog.

Did you call Layout() after adding the controls?

[Nathan Ridge]

Post by Jan Engelhardt

Post by Nathan Ridge
In my case, the dialog's initial size is fine and resizing it is also
fine.
However, later, when I add more controls to it, it does not lay out
the added controls correctly until I resize the dialog.

Did you call Layout() after adding the controls?

Yes. I've called Layout() on every sizer from the one directly
containing the misplaced controls, to the wizard page's sizer,
and even on the wizard's sizer itself.

Also, as I've said, I don't see this problem on GTK. Presumably
if the problem was related to not calling Layout() on a sizer,
I'd see the problem on GTK as well.

Regards,
Nate

[Rufus Smith]

I just recently discovered the windows style parameter:

wxFULL_REPAINT_ON_RESIZE

I wonder if that would help here? I found my panel widgets would be chopped
up as I resized a frame, before I added this.

Rufus

Post by Nathan Ridge
By "not laid out correctly", I mean that a panel is positioned
incorrectly and its contents are cut off.

[Nathan Ridge]

Post by Rufus Smith
wxFULL_REPAINT_ON_RESIZE
I wonder if that would help here? I found my panel widgets would be chopped
up as I resized a frame, before I added this.

I have tried this, but unfortunately it does not help.

Thanks,
Nate

[John Roberts]

Have you tried wxWindow::InvalidateBestSize on the dialog or its main
sizer followed by a manufactured size event or another layout call.
Regards, John

Post by Nathan Ridge

Post by Rufus Smith
wxFULL_REPAINT_ON_RESIZE
I wonder if that would help here? I found my panel widgets would be chopped
up as I resized a frame, before I added this.

I have tried this, but unfortunately it does not help.
Thanks,
Nate

[Nathan Ridge]

Post by John Roberts
Have you tried wxWindow::InvalidateBestSize on the dialog or its main
sizer followed by a manufactured size event or another layout call.
Regards, John

Unfortunately, this did not work either.

Thanks,
Nate

[John]

Post by Nathan Ridge

Post by John Roberts
Have you tried wxWindow::InvalidateBestSize on the dialog or its main
sizer followed by a manufactured size event or another layout call.
Regards, John

Unfortunately, this did not work either.
Thanks,
Nate

Nathan I just re-read the thread and I see your dialog is a wxWizard.
Maybe you know this but the wizard will set the page size from the
wizard pages initially and will not alter the page size when you later
add extra controls to one of the pages/panels. I think accessing
wxWizard::GetPageAreaSizer() is necessary to make changes. At least it
is worth reading the documentation on GetPageAreaSizer.

Regards, John

[Marian 'VooDooMan' Meravy]

Greetings,

sorry for the late response, but now I am facing the very same problem.

I have my frame derived from wxFrame, and inside of it there is panel
derived from wxPanel, with sizers of controls.

When I build up panel, with sizers and controls, in the panel
constructor, I just call at the end of panel's constructor:

m_frame->SetMinClientSize(sz_root->GetMinSize());

where:
1. m_frame is parent frame
2. sz_root is root size of all sizers in the panel.

I have no luck with Layout() and Fit[Inside]() calls, since I need to
adjust minimal width, to get more space for status bars columns.

Hope this helps.

best,
vdm
.

[Marian 'VooDooMan' Meravy]

Or even better, inside of frame, after panel inside frame is properly
constructed you can use:

wxSize sz=panel->GetSizer()->GetMinSize();
SetClientSize(ClientToWindowSize(sz));

best,
vdm
.

Post by Marian 'VooDooMan' Meravy
Greetings,
sorry for the late response, but now I am facing the very same problem.
I have my frame derived from wxFrame, and inside of it there is panel
derived from wxPanel, with sizers of controls.
When I build up panel, with sizers and controls, in the panel
m_frame->SetMinClientSize(sz_root->GetMinSize());
1. m_frame is parent frame
2. sz_root is root size of all sizers in the panel.
I have no luck with Layout() and Fit[Inside]() calls, since I need to
adjust minimal width, to get more space for status bars columns.
Hope this helps.
best,
vdm
.

[Marian 'VooDooMan' Meravy]

Oh, I must be overworked, of course it should be:

wxSize sz=panel->GetSizer()->GetMinSize();
SetClientSize(sz);

Of course, ideally is to use Layout(); and Fit(); as someone pointed
out, but sometimes, you just can't use them.

best,
vdm
.

Post by Marian 'VooDooMan' Meravy
Or even better, inside of frame, after panel inside frame is properly
wxSize sz=panel->GetSizer()->GetMinSize();
SetClientSize(ClientToWindowSize(sz));
best,
vdm
.

[Jamiil]

Is there a manual for using wxWidgets with Visual Studio 2013?

Thanks

[Jamiil]

After installing wxMSW-3.0.0-Setup, do I still need to compile wxWidgets?
I intend to use it with vs2013, is there a pre-compiled version of wxWidgets
that I could use?

Thanks!

[Igor Korot]

Hi, Jamill,

Post by Jamiil
After installing wxMSW-3.0.0-Setup, do I still need to compile wxWidgets?

yes, you still need to compile the library.
Compilation is very easy. Just open an appropriate solution file and
do "Build->Batch Build...".

Thank you.

Post by Jamiil
I intend to use it with vs2013, is there a pre-compiled version of wxWidgets
that I could use?
Thanks!
--
Please read http://www.wxwidgets.org/support/mlhowto.htm before posting.
or visit http://groups.google.com/group/wx-users

[ArbolOne DotOrg]

Thank so much for your help.
In regards to your statement "Just open an appropriate solution file and",
which of the below files would be the appropriate file if I am using Visual
Studio Express 2013. Thanks in advance.

Directory: D:\wxWidgets-3.0.0\build\msw


Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 11/11/2013 8:10 AM 4873 config.bcc
-a--- 11/11/2013 8:10 AM 4375 config.gcc
-a--- 11/11/2013 8:10 AM 4461 config.vc
-a--- 11/11/2013 8:10 AM 3843 config.wat
-a--- 6/11/2014 8:30 PM 0 dir.txt
-a--- 11/11/2013 8:10 AM 684256 makefile.bcc
-a--- 11/11/2013 8:10 AM 583537 makefile.gcc
-a--- 11/11/2013 8:10 AM 724740 makefile.vc
-a--- 11/11/2013 8:10 AM 640222 makefile.wat
-a--- 11/11/2013 8:10 AM 4562 wx.dsw
-a--- 11/11/2013 8:10 AM 24474 wx_adv.dsp
-a--- 11/11/2013 8:10 AM 16965 wx_aui.dsp
-a--- 11/11/2013 8:10 AM 38622 wx_base.dsp
-a--- 11/11/2013 8:10 AM 82144 wx_core.dsp
-a--- 11/11/2013 8:10 AM 10887 wx_dll.dsw
-a--- 11/11/2013 8:10 AM 15588 wx_gl.dsp
-a--- 11/11/2013 8:10 AM 19291 wx_html.dsp
-a--- 11/11/2013 8:10 AM 15994 wx_media.dsp
-a--- 11/11/2013 8:10 AM 17201 wx_net.dsp
-a--- 11/11/2013 8:10 AM 17522 wx_propgrid.dsp
-a--- 11/11/2013 8:10 AM 15772 wx_qa.dsp
-a--- 11/11/2013 8:10 AM 17582 wx_ribbon.dsp
-a--- 11/11/2013 8:10 AM 19497 wx_richtext.dsp
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