In myGuiSlot() I am typically manipulating
some widgets - setting the text of a QLabel etc.
--
Regards,
Syam
sya...@gmail.com
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) does not have
any effect.
Syam
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surprise me if the problem has returned.
Run it in the debugger and interrupt,
It should be obvious what it is doing.
I haven't been able to reproduce this problem :-(
Everything seems to be fine now.
Syam
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Intere
ted.
I am wondering if this problem can happen again. What can possibly cause
QPrinter constructor to get stuck for such a long time?
Thanks and regards,
Syam
qprinter.tar.gz
Description: application/gzip
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images/pick.png
images/undo.png
In the code, I have:
button->setIcon(QIcon(":/images/pick.png"));
Thanks,
Syam
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or my_obj_list;
...
QFuture f = QtConcurrent::run( &SomeClassObj,
&SomeClass::do_something, my_data, my_obj_list);
Now, my question is will this cause a copy of my_obj_list?
Syam
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ct::execute() is supposed to get its work done by calling
do_something().
execute() should not block but do_something() is blocking. That's why I
need to call it in a separate thread.
Till do_something() completes, subsequent calls to execute() shall
return a value indicating that it's
ill check if
the thread is already executing. If it is, it will wait till the thread
execution is complete.
And I'm using Qt 4.8 on Linux.
Syam
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impler for my use case as I find QWaitCondition too clumsy
to use. But I am worried about possible
overheads of starting the thread new every time.
Please remember that I don't need signals and slots for this.
Any help is highly appreciated.
Thanks
les.
It works well.
Syam
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output for the same source. I've heard that things are different with
C#/.Net.
Is this something specific to Qt or rcc?
Thanks and regards,
Syam
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ght-click that caused currentChanged(int) to be emitted…
How about avoiding currentChanged() and creating new tab in
mousePressEvent() if its the left mouse button?
Syam
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Inter
onotonic data plots. How do you
store the full million points data? Do you keep all points in memory so
that it is readily available when the user zooms?
Syam
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't cause any difference to software as you're
using asynchronous communication (i.e. without any flow control and
handshaking synchronisation lines). Most RS422 devices I've seen need
only Tx & Rx line pairs. The same program should work fine f
hear that 'Widgets', as you call in Qt5
is 'done' and so we can't expect any further improvements on that. On
the other hand, I hear there are performance improvements in the
underlying components like QStrings.
So, can somebody please throw
e for QVector.
I think the point was that since std::vector is a wrapper around an
array, it'd require a *contiguous* block of memory - which might not be
available even though there's sufficient RAM. Anyway, you should know
your system better.
regards,
Syam
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On 08/31/2013 09:12 AM, Thiago Macieira wrote:
> On sexta-feira, 30 de agosto de 2013 19:47:48, Syam wrote:
>
>> Am I right here? Of course, the assumption is that the original QString is
>> simple English text.
> Even “simple English” may contain characters not encodable in
ate.
Am I right here? Of course, the assumption is that the original QString is
simple English text.
Syam
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e as the one on your hard drive.
regards,
Syam
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;
I get:
-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom
-fasynchronous-unwind-tables
Now I'm even more confused. It seems like 'atom' is coming from a lower
layer (that Qt).
regards,
Syam
DE
On 06/09/2013 09:09 AM, Thiago Macieira wrote:
On domingo, 9 de junho de 2013 07.51.03, Syam Krishnan wrote:
I don&aps;t know where it is coming from as I can&aps;t locate
&aps;atom&aps; in any of Qt creator source files.
Is it something I&aps;m doing with my VM?
Probabl
I don't know where it is coming from as I can't locate 'atom' in
any of Qt creator source files.
Is it something I'm doing with my VM?
regards,
Syam
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or a binary file?
The concept of a 'line' is for text files. You should use read() instead.
regards,
Syam
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On 10/22/2012 10:57 AM, Bo Thorsen
wrote:
Den 22-10-2012 03:38, Syam Krishnan
skrev:
A question to all:
I have a GUI application. I need to do some task (for example,
periodically
).
Is there any other recommended or better way to do it? Note that I
don't need to do any Qt stuff (update GUI, signals & slots etc.)
in my 'worker' thread.
regards,
Syam
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On 08/31/2012 12:15 PM, Thiago Macieira wrote:
> On sexta-feira, 31 de agosto de 2012 09.22.15, Syam Krishnan wrote:
>> However, why does Qt have two versions when the document mentions only one?
> Because I was lazy when I added the second overload and forgot to add the
> docume
On 08/31/2012 08:25 AM, Rohan McGovern wrote:
> Syam Krishnan said:
>>
>> This version (qreal is a typedef to double) is matching with the
>> documentation (even Qt5 documentation mentions only qreal).
>> Should this be reported as a bug ag
nother when the window is resized?
Try having another QWidget as the background parent widget of the
buttons. Set it to have fixed size and set maximum (and minimum) size.
Now you cat try to have a QGridLayout on it and add your radio buttons
to the 3x3 grid.
problem.
regards,
Syam Krishnan
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ove and release events.
I want to know of there is some other way without adding such code to all
my widget classes. As I said, some of these are ordinary QLabels and
therefore overriding event handlers is not easy.
Any ideas?
Thanks,
Syam Krishnan
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On 07/27/2012 02:43 PM, Fabio Giovagnini wrote:
> Sorry, but I don'0t receive the message I post.
> If you read this mail please let me know answering to mai mail address
Message received.
Syam
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creating the timer objects
afresh everytime?
Syam
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On 04/17/2012 12:09 PM, Graeme Gill wrote:
> Syam Krishnan wrote:
>
>> So, the idea that writing software is more complex than designing an
>> electronic circuit is just based on lack of knowledge/experience on
>> electronics.
> I don't think so. I'm an electr
the other hand
can put almost infinite number of nested 'if's or loops without ever
worrying if the outer loop will be able to drive the inner one"
So, the idea that writing software is more complex than designing an
electronic circuit is just based on lack of knowledge/experienc
ined in stack
Segmentation fault"
regards,
Syam
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On 11/25/2011 04:05 PM, Thiago Macieira wrote:
> On Friday, 25 de November de 2011 06:31:37 Syam Krishnan wrote:
>> Indeed. But I cannot update the system version of
>> Qt 4.5. So I&aps;d have to recompile new Qt into some other
>> directory, and have that version used wh
Qt 4.5. So I'd have to recompile new Qt into some other
directory, and have that version used when building Qt
Creator. Won't that be equally ugly/difficult/time-consuming?
Thanks,
ently-not-so-good LD_LIBRARY_PATH hack to get Qt creator working. I
am going to try that tomorrow.
regards,
Syam
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;t want to migrate to newer versions every now and
then and have all our software tested again for each library version.
That's why I was wondering if I can use the most recent version of Qt
Creator with this setup.
Syam
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atest version of Qt Creator that I can use with a given
version of Qt (v4.5, for example).
Thanks and regards,
Syam
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