[gdal-dev] Problem when resizing main frame in Windows 7.

[Ramiro Gonzalez]

Sorry.

2012/8/28 Chaitanya kumar CH <chaitanya.ch at gmail.com>

> Ramiro,
>
> This is not the mailing list for wx.
>
> On Tue, Aug 28, 2012 at 11:12 PM, Ramiro Gonzalez <
> ramirogonzalez at suremptec.com.ar> wrote:
>
>> Hi,
>>
>> I use wx 2.8.12 in a multiplatform application, I have been having a
>> problem with the layout when I resize the main Frame, but '''only happens
>> in Windows 7'''.
>>
>> I couldn't find the source of the problem, so I was hoping someone could
>> help me with it.
>>
>> My application have several wxPanels composed in a tree structure with
>> sizers, after resizing the top level window, the layout algorithm executes,
>> but stops before reaching the last few panels(near leafs, and only in one
>> branch of the tree). This branch of the tree is 8/9 panels in lenght.
>>
>> I looked closely to the state of the sizers in that branch, and find out
>> that one of the sizer's dimension was not being updated, so its dimension
>> was different to the size of the containing window.
>> {{{
>> Window size: h 891 s 1076
>> Sizer size: h 389 s 656
>> }}}
>>
>> While debugging, I added a panel several levels up in the tree(containing
>> the inconsistent panel). After this, the bug moved one level up, that is,
>> the inconsistency between the windows an the sizer now happened in the
>> parent of the previously broken window.
>>
>> As a temporal fix, I am listening for wxEVT_SIZE in one of the
>> parents(before broken sizer) and manually fixing the Size mismatch:
>> {{{
>> void FixSizers(wxWindow* pWindow) {
>>    if(!pWindow->IsShown())
>>       return;
>>
>>    wxSize windowsize =  pWindow->GetSize();
>>    if (pWindow->GetSizer())
>>       pWindow->GetSizer()->SetDimension(0, 0, windowsize.GetWidth(),
>> windowsize.GetHeight());
>>
>>    wxWindowList& children = pWindow->GetChildren();
>>    for (size_t i = 0; i < children.size(); i++)
>>       FixSizers(children[i]);
>> }
>> }}}
>>
>> This solved the problem, but I would like to know if this has happened to
>> someone else, and what could be a probable cause of this behaviour?
>>
>> Thanks
>> Ramiro
>>
>>
>> _______________________________________________
>> gdal-dev mailing list
>> gdal-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
>
>
>
> --
> Best regards,
> Chaitanya kumar CH.
>
> +91-9494447584
> 17.2416N 80.1426E
>
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