[Interest] Displaying virtual keyboard in QWebEngine

[Tom Isaacson]

We have an app using Qt 4.8.2 that uses QWebKit to display a website. When the 
user clicks on a text field we bring up a virtual keyboard (our own 
iplementation) so they can enter text. But we can't figure out how to do this 
in Qt5. Are there any examples? We're currently using Qt 5.5.1 but plan to move 
to Qt 5.6 when it's released - are there any improvements for this? Can this be 
done with the Qt Virtual Keyboard?

Thanks.

Tom Isaacson



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Re: [Interest] Minimal MSVC-built ICU DLLs available for download

[rpzrpz...@gmail.com]

On 1/25/2016 10:04 PM, Thiago Macieira wrote:

On Monday 25 January 2016 20:01:15 rpzrpz...@gmail.com wrote:

Gunnar:

Just because something is linked to ICU dlls does not mean that those
dlls are required.

Dependency walker only shows linkage, not necessity.

Indeed you're right: it does not indicate necessity. But you still need to
ship them: the program will not load unless all linked DLLs are present.



Thiago:

Since elvis was laboring to build them from scratch to reduce package 
size, it was helpful to know that

we can skip that entirely in a 5.6 Webkit free zone.

I found Gunnar to be making a point at best tangential to Elvis taking 
the time to build ICU from source.


And both of us hope to get to a package where there are no linked ICU Dlls.

Bye Bye ICU.
We won't shed any tears.

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Re: [Interest] QtArg version 2.0.0

[Nikos Chantziaras]

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the heck this is first :-P


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Re: [Interest] QtArg version 2.0.0

[Igor Mironchik]

Hi,

On 26.01.2016 14:11, Nikos Chantziaras wrote:

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the heck this is 
first :-P


Sorry, I thought that many people know about QtArg. It's very simple. 
QtArg - this is classes to parse command line arguments. Like 
QCommandLineOption and QCommandLineParser, but with support of commands, 
i.e., for example, "git add file.txt" - "add" - this is command... :)

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Re: [Interest] QtArg version 2.0.0

[Ben Lau]

On 26 January 2016 at 19:52, Igor Mironchik 
wrote:

> Hi,
>
> On 26.01.2016 14:11, Nikos Chantziaras wrote:
>
>> On 25/01/16 13:48, Igor Mironchik wrote:
>>
>>> Hello guys,
>>>
>>> I'm glad to present QtArg version 2.0.0
>>>
>>> In new version were
>>>
>>>   * implemented commands in command line,
>>>   * improved hierarchy of argument classes,
>>>   * improved help system,
>>>   * improved syntax,
>>>   * fixed different issues.
>>>
>>
>> Maybe it would be a good idea to tell people what the heck this is first
>> :-P
>>
>
> Sorry, I thought that many people know about QtArg. It's very simple.
> QtArg - this is classes to parse command line arguments. Like
> QCommandLineOption and QCommandLineParser, but with support of commands,
> i.e., for example, "git add file.txt" - "add" - this is command... :)
>
>
Hi Igor,

Interesting. I would suggest to add a license file or stay the license of
your library in README.md.

Moreover, will you consider to publish your library on qpm.io ?
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Re: [Interest] QtArg version 2.0.0

[Igor Mironchik]

On 26.01.2016 15:00, Ben Lau wrote:


On 26 January 2016 at 19:52, Igor Mironchik > wrote:


Hi,

On 26.01.2016 14:11, Nikos Chantziaras wrote:

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the heck
this is first :-P


Sorry, I thought that many people know about QtArg. It's very
simple. QtArg - this is classes to parse command line arguments.
Like QCommandLineOption and QCommandLineParser, but with support
of commands, i.e., for example, "git add file.txt" - "add" - this
is command... :)


Hi Igor,

Interesting. I would suggest to add a license file or stay the license 
of your library in README.md.


The license you can find in each source file in QtArg... It's MIT...



Moreover, will you consider to publish your library on qpm.io 
 ?


Downloading qpm right now. I have to learn a little what is it and how 
to use it... :)


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Re: [Interest] QtArg version 2.0.0

[Dmitry Volosnykh]

Igor, as far as I can see form documentation QCommandLineParser is able to
support commands too. For example, see
http://doc.qt.io/qt-5/qcommandlineparser.html#clearPositionalArguments. How
does you library compare to just mentioned functionality? If it does
something more and/or better, have you considered hacking on
QCommandLineParser?

On Tue, Jan 26, 2016 at 3:00 PM Ben Lau  wrote:

> On 26 January 2016 at 19:52, Igor Mironchik 
> wrote:
>
>> Hi,
>>
>> On 26.01.2016 14:11, Nikos Chantziaras wrote:
>>
>>> On 25/01/16 13:48, Igor Mironchik wrote:
>>>
 Hello guys,

 I'm glad to present QtArg version 2.0.0

 In new version were

   * implemented commands in command line,
   * improved hierarchy of argument classes,
   * improved help system,
   * improved syntax,
   * fixed different issues.

>>>
>>> Maybe it would be a good idea to tell people what the heck this is first
>>> :-P
>>>
>>
>> Sorry, I thought that many people know about QtArg. It's very simple.
>> QtArg - this is classes to parse command line arguments. Like
>> QCommandLineOption and QCommandLineParser, but with support of commands,
>> i.e., for example, "git add file.txt" - "add" - this is command... :)
>>
>>
> Hi Igor,
>
> Interesting. I would suggest to add a license file or stay the license of
> your library in README.md.
>
> Moreover, will you consider to publish your library on qpm.io ?
>
>
>
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[Interest] Qt component repositories (was: Re: QtArg version 2.0.0)

[André Somers]

Op 26/01/2016 om 13:00 schreef Ben Lau:



Moreover, will you consider to publish your library on qpm.io 
 ?




What's the difference between qpm.io and inqlude.org?

André

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Re: [Interest] QtArg version 2.0.0

[Igor Mironchik]

Hi,

On 26.01.2016 15:21, Dmitry Volosnykh wrote:
Igor, as far as I can see form documentation QCommandLineParser is 
able to support commands too. For example, see 
http://doc.qt.io/qt-5/qcommandlineparser.html#clearPositionalArguments. How 
does you library compare to just mentioned functionality? If it does 
something more and/or better, have you considered hacking on 
QCommandLineParser?


I have to play with QCommandLine* to answer your questions better.

For true, I've never used QCommandLine* and for my projects I already 
use QtArg...


I will play with QCommandLine* and answer in this mailing list later.

But what I understood from this example, that positional argument can be 
any word, may be it's a plus, may be minus... With QtArg you can specify 
set of commands and only this set of commands can be present in command 
line otherwise will be an error of parsing...




On Tue, Jan 26, 2016 at 3:00 PM Ben Lau > wrote:


On 26 January 2016 at 19:52, Igor Mironchik
mailto:igor.mironc...@gmail.com>> wrote:

Hi,

On 26.01.2016 14:11, Nikos Chantziaras wrote:

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the heck
this is first :-P


Sorry, I thought that many people know about QtArg. It's very
simple. QtArg - this is classes to parse command line
arguments. Like QCommandLineOption and QCommandLineParser, but
with support of commands, i.e., for example, "git add
file.txt" - "add" - this is command... :)


Hi Igor,

Interesting. I would suggest to add a license file or stay the
license of your library in README.md.

Moreover, will you consider to publish your library on qpm.io
 ?


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Re: [Interest] Qt component repositories

[Igor Mironchik]

On 26.01.2016 15:24, André Somers wrote:



Op 26/01/2016 om 13:00 schreef Ben Lau:



Moreover, will you consider to publish your library on qpm.io 
 ?




What's the difference between qpm.io and inqlude.org?


As I understood on inqlude.org you can look at the web page and click 
links...


On qpm.io you can use tool qpm to search package by the given key-words 
and install from the same tool, named qpm... :)




André



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Re: [Interest] QtArg version 2.0.0

[Dmitry Volosnykh]

>From what I see by the moment, QtArg usage help message displays list of
supported commands with all the details on using them, while
QCommandLineParses provides context dependant usage messages. For example,
at the top level it may list supported commands (not sure if it can provide
commands' arguments at this point), and once user has provided command
usage message displays corresponding list of arguments. This process may be
repeated for the arbitrary list of commands (positional arguments).

On Tue, Jan 26, 2016 at 3:49 PM Igor Mironchik 
wrote:

> Hi,
>
>
> On 26.01.2016 15:21, Dmitry Volosnykh wrote:
>
> Igor, as far as I can see form documentation QCommandLineParser is able to
> support commands too. For example, see
> http://doc.qt.io/qt-5/qcommandlineparser.html#clearPositionalArguments.
> How does you library compare to just mentioned functionality? If it does
> something more and/or better, have you considered hacking on
> QCommandLineParser?
>
>
> I have to play with QCommandLine* to answer your questions better.
>
> For true, I've never used QCommandLine* and for my projects I already use
> QtArg...
>
> I will play with QCommandLine* and answer in this mailing list later.
>
> But what I understood from this example, that positional argument can be
> any word, may be it's a plus, may be minus... With QtArg you can specify
> set of commands and only this set of commands can be present in command
> line otherwise will be an error of parsing...
>
>
>
> On Tue, Jan 26, 2016 at 3:00 PM Ben Lau  wrote:
>
>> On 26 January 2016 at 19:52, Igor Mironchik 
>> wrote:
>>
>>> Hi,
>>>
>>> On 26.01.2016 14:11, Nikos Chantziaras wrote:
>>>
 On 25/01/16 13:48, Igor Mironchik wrote:

> Hello guys,
>
> I'm glad to present QtArg version 2.0.0
>
> In new version were
>
>   * implemented commands in command line,
>   * improved hierarchy of argument classes,
>   * improved help system,
>   * improved syntax,
>   * fixed different issues.
>

 Maybe it would be a good idea to tell people what the heck this is
 first :-P

>>>
>>> Sorry, I thought that many people know about QtArg. It's very simple.
>>> QtArg - this is classes to parse command line arguments. Like
>>> QCommandLineOption and QCommandLineParser, but with support of commands,
>>> i.e., for example, "git add file.txt" - "add" - this is command... :)
>>>
>>>
>> Hi Igor,
>>
>> Interesting. I would suggest to add a license file or stay the license of
>> your library in README.md.
>>
>> Moreover, will you consider to publish your library on qpm.io ?
>>
>>
>>
>> ___
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>> http://lists.qt-project.org/mailman/listinfo/interest
>>
>
>
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Re: [Interest] Qt component repositories

[Dmitry Volosnykh]

Igor, inqlude should provide mentioned functionality, too. See
http://inqlude.org/get.html
On Tue, Jan 26, 2016 at 4:01 PM Igor Mironchik 
wrote:

>
>
> On 26.01.2016 15:24, André Somers wrote:
>
>
>
> Op 26/01/2016 om 13:00 schreef Ben Lau:
>
>
>
> Moreover, will you consider to publish your library on qpm.io ?
>
>
> What's the difference between qpm.io and inqlude.org?
>
>
> As I understood on inqlude.org you can look at the web page and click
> links...
>
> On qpm.io you can use tool qpm to search package by the given key-words
> and install from the same tool, named qpm... :)
>
>
> André
>
>
>
> ___
> Interest mailing 
> listInterest@qt-project.orghttp://lists.qt-project.org/mailman/listinfo/interest
>
>
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>
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Re: [Interest] Qt component repositories (was: QtArg version 2.0.0)

[Jason H]

> What's the difference between qpm.io and inqlude.org?

I use neither, but it looks like qpm.io is a npm-style site that uses a package 
manager to do the downloading for you. NPM is highly successful. With node, you 
have  package.js in the project root that lists your dependencies and their 
versions, and this can be used to manage your dependencies. I believe Qt has 
this capability with .pro/.pri files, and that's what qpm uses. 

inqlude.org just looks like a listing.
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Re: [Interest] QtArg version 2.0.0

[Igor Mironchik]

On 26.01.2016 16:31, Dmitry Volosnykh wrote:
From what I see by the moment, QtArg usage help message displays list 
of supported commands with all the details on using them, while 
QCommandLineParses provides context dependant usage messages. For 
example, at the top level it may list supported commands (not sure if 
it can provide commands' arguments at this point), and once user has 
provided command usage message displays corresponding list of 
arguments. This process may be repeated for the arbitrary list of 
commands (positional arguments).


I think both solutions have right to the life :)

Something you can do better with QCommandLine*, something with QtArg...

What about help printing with QtArg you can write "tool --help command" 
and you will see help for the given command.


And, for example, how to parse next command line: "tool --crazy add, add 
add file.txt", where two first add is values of --crazy and third add is 
the command that receive value file.txt? Just for fun :)


And I always open for communications and can fix a bug in a day, or 
implement some functionality in few days... :)




On Tue, Jan 26, 2016 at 3:49 PM Igor Mironchik 
mailto:igor.mironc...@gmail.com>> wrote:


Hi,


On 26.01.2016 15:21, Dmitry Volosnykh wrote:

Igor, as far as I can see form documentation QCommandLineParser
is able to support commands too. For example, see
http://doc.qt.io/qt-5/qcommandlineparser.html#clearPositionalArguments.
How does you library compare to just mentioned functionality? If
it does something more and/or better, have you considered hacking
on QCommandLineParser?


I have to play with QCommandLine* to answer your questions better.

For true, I've never used QCommandLine* and for my projects I
already use QtArg...

I will play with QCommandLine* and answer in this mailing list later.

But what I understood from this example, that positional argument
can be any word, may be it's a plus, may be minus... With QtArg
you can specify set of commands and only this set of commands can
be present in command line otherwise will be an error of parsing...




On Tue, Jan 26, 2016 at 3:00 PM Ben Lau mailto:xben...@gmail.com>> wrote:

On 26 January 2016 at 19:52, Igor Mironchik
mailto:igor.mironc...@gmail.com>>
wrote:

Hi,

On 26.01.2016 14:11, Nikos Chantziaras wrote:

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the
heck this is first :-P


Sorry, I thought that many people know about QtArg. It's
very simple. QtArg - this is classes to parse command
line arguments. Like QCommandLineOption and
QCommandLineParser, but with support of commands, i.e.,
for example, "git add file.txt" - "add" - this is
command... :)


Hi Igor,

Interesting. I would suggest to add a license file or stay
the license of your library in README.md.

Moreover, will you consider to publish your library on qpm.io
 ?


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Re: [Interest] Minimal MSVC-built ICU DLLs available for download

[Bob Babcock]

Koehne Kai  wrote in
news:db3pr02mb234cb67218a0ca98b8f9948e1...@db3pr02mb234.eurprd02.prod.out
look.com: 

> Finally, if you target Windows versions older than Windows 7, you'll
> loose numeric string collation.
> 
> In summary, most people won't notice :)

I nominally still suport XP.  I had noticed that I no longer needed the icu 
dlls, but I hadn't noticed this side effect (which tells you how much I 
test under XP).  Is rebuilding Qt with icu support the only way to get this 
back?  I used to have my own code for numeric collation, but Qt's is very 
much faster.

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Re: [Interest] How to get number of channels from QAudioDeviceInfo

[Jason H]

 
> In the application am writing I can work around not being able to detect the
> actual number of channels on a device but I do need to be able to send sound
> data independently to each channel. Is this possible with Qt?

I have no idea. You're looking at the code. My guess is no, that you'll need to 
write your own Qt->ObjC/Swift class. There is no reason it can't be done, it 
just hasn't been done.

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Re: [Interest] Minimal MSVC-built ICU DLLs available for download

[Koehne Kai]

> -Original Message-
> From: Interest [mailto:interest-boun...@qt-project.org] On Behalf Of Bob
> Babcock
> Sent: Tuesday, January 26, 2016 8:50 AM
> To: interest@qt-project.org
> Subject: Re: [Interest] Minimal MSVC-built ICU DLLs available for download
> 
> Koehne Kai  wrote in
> news:DB3PR02MB234CB67218A0CA98B8F9948E1C70@DB3PR02MB234.e
> urprd02.prod.out
> look.com:
> 
> > Finally, if you target Windows versions older than Windows 7, you'll
> > loose numeric string collation.
> >
> > In summary, most people won't notice :)
> 
> I nominally still suport XP.  I had noticed that I no longer needed the icu 
> dlls,
> but I hadn't noticed this side effect (which tells you how much I test under
> XP).  Is rebuilding Qt with icu support the only way to get this back?  I used
> to have my own code for numeric collation, but Qt's is very much faster.

Well, QCollator uses CompareStringEx/ LCMapStringEx if ICU is not explicitly 
enabled, which 
is only available on Windows Vista and newer:

http://code.qt.io/cgit/qt/qtbase.git/tree/src/corelib/tools/qcollator_win.cpp

But there's also a fallback using CompareString, LCMapStringW. So not sure how 
exactly
Thebehaviro will differ on Windows XP.

Regards

Kai
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Re: [Interest] Qt component repositories

[Ben Lau]

I have tried to use inqlude command line client but I could only use the
"download" function. I don't know which library is "installable". If I
understand correctly, inqlude is a tool to download and install library to
system.

Then its concept is different than qpm. qpm manages the library dependence
of your application. It don't install anything to system. Instead, it read
from application's qpm.json and install all the source code of depended
libraries with specific version in source directory.

It will extract all the source code and create a vendor.pri that include
all the installed libraries. So that user just need to add vendor.pri to
their .pro file to use those libraries.

It is very convenience. Just type a single command and you could get all
the libraries. And it could ensure all the developers use same version of
library.

Moreover, last time I push a package to inqlude and takes 3 weeks to get
merged, but I could publish a new package in qpm.io without any delay.


On 26 January 2016 at 21:33, Dmitry Volosnykh 
wrote:

> Igor, inqlude should provide mentioned functionality, too. See
> http://inqlude.org/get.html
>
> On Tue, Jan 26, 2016 at 4:01 PM Igor Mironchik 
> wrote:
>
>>
>>
>> On 26.01.2016 15:24, André Somers wrote:
>>
>>
>>
>> Op 26/01/2016 om 13:00 schreef Ben Lau:
>>
>>
>>
>> Moreover, will you consider to publish your library on qpm.io ?
>>
>>
>> What's the difference between qpm.io and inqlude.org?
>>
>>
>> As I understood on inqlude.org you can look at the web page and click
>> links...
>>
>> On qpm.io you can use tool qpm to search package by the given key-words
>> and install from the same tool, named qpm... :)
>>
>>
>> André
>>
>>
>>
>> ___
>> Interest mailing 
>> listInterest@qt-project.orghttp://lists.qt-project.org/mailman/listinfo/interest
>>
>>
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>>
>
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>
>
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[Interest] CppNow Call For Submissions 2016

[charleyb123 .]

The Call For Submissions for the CppNow conference (May 9-14, 2016) in
Aspen, CO will close this Friday (Fri-29-Jan).

This is an intimate C++ conference with great minds, including many Qt
users, and past speakers have come from the Qt community.

Consider attending, and/or submitting a talk.

http://cppnow.org/2016-conference/announcements/2015/11/17/call-for-submission.html

--charley
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[Interest] QCompleter and keys beginning with @

[helferthomas]

Hi,

I am using the QTextExit class with QCompleter.

I have a domain specific languages whose keywords begins with @. I can't get 
QCompleter to work with such keywords.

More precisely, if I use the following code:

this->c = new QCompleter(QStringList() << "test" << "@Test",&t);

I get completion for 'test' but not for '@Test'. Is this a limitation of 
QCompleter ? Is there a workaround ?

Thank for your attention,

Regards,
Helfer Thomas
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Re: [Interest] [Qt3D] Cylinder Mesh Mod Problem

[Andy]

As I was looking into this, I noticed that in
CylinderVertexDataFunctor::operator() (in qcylindergeometry.cpp), we have
this:

const int verticesCount  = (m_slices + 1) * m_rings + 2 * (m_slices
+ 1) + 2;

which is used to create the vertex data for the sides + end discs.

But in QCylinderGeometryPrivate::init() when we calculate the number of
verts to pass to the various QAttributes, we have this:

const int nVerts = (m_slices + 1) * (m_rings + 1);

This seems to ignore (most of) the "disc" verts from either end.

Is this intentional/correct?

(FWIW one of the things I did in my own geometry class is set up an
internal data class which includes methods to return all these calculations
- numVerts(), numFaces(), etc - so we know they are consistent throughout.
Also reduces duplication of fields in the functor classes and reduces the
number of arguments being passed around.  I have a bunch of fields used in
my calculations, so the number of arguments and amount of duplication was
getting large...)



---
Andy Maloney  //  https://asmaloney.com
twitter ~ @asmaloney 


On Mon, Jan 25, 2016 at 1:40 PM, Sean Harmer  wrote:

> Hi,
>
> thanks for finding that. Are you able to push a fix to Qt's gerrit code
> review system please so that it can be reviewed and merged?
>
> Many thanks,
>
> Sean
>
>
> On 25/01/2016 18:16, Andy wrote:
>
> > Subject: [Interest] [Qt3D] Cylinder Mesh Mod Problem
> > I am trying to work with and understand the Qt3D geometry and mesh
> system.
> >
> > Based on Paul's answer to my earlier question I thought I'd start with
> something simple: a cylinder without the end caps (QCylinderMesh always
> includes them).
> >
> > I started by taking the QCylinderGeometry/QCylinderMesh code and making
> it build outside of the Qt5 build system.  Next I removed the code for
> adding the caps (called discs in the code).
> >
> > The cylinder looks good, but there seems to be an extra vert at (0.0,
> 0.0, 0.0) and faces created between it and the top ring.  I can't for the
> life of me figure out where the extra vert is coming from or where those
> faces are created.
> >
> > I put some example code and a couple of images here:
> >
> >https://github.com/asmaloney/Qt3D-mesh-problem
> >
> > I am using the latest Qt 5.6 git from 22 Jan (SHA
> 1fcdb6cafcf7621fdea84e28a95934a4a04ea1b7) which uses Qt3D from 21 Jan (SHA
> 44c743c90cf51eddbf5b0bb3cf957c58fa0ef94f).
> >
> > Any ideas what I'm doing wrong or suggestions on how to figure it out?
> >
> > Thank you for any help/suggestions!
> >
> > - Andy
>
> I've discovered the problem.  There is a bug in QCylinderGeometry's
> calculation of the cylinder's side indices.  You can see it if you move the
> camera "inside" a cylinder.  I put an example image here:
>
>   https://github.com/asmaloney/Qt3D-mesh-problem
>
> I fixed the example code in the repo.  Two small changes in
> CylinderIndexDataFunctor::operator () and createSidesIndices() which should
> be applied to Qt3D's QCylinderGeometry.
>
> - Andy
>
>
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>
>
>
> --
> Dr Sean Harmer | sean.har...@kdab.com | Managing Director UK
> KDAB (UK) Ltd, a KDAB Group company
> Tel. +44 (0)1625 809908; Sweden (HQ) +46-563-540090
> Mobile: +44 (0)7545 140604
> KDAB - Qt Experts
>
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Re: [Interest] QtArg version 2.0.0

[Igor Mironchik]

Hi,

On 26.01.2016 15:21, Dmitry Volosnykh wrote:
Igor, as far as I can see form documentation QCommandLineParser is 
able to support commands too. For example, see 
http://doc.qt.io/qt-5/qcommandlineparser.html#clearPositionalArguments. How 
does you library compare to just mentioned functionality? If it does 
something more and/or better, have you considered hacking on 
QCommandLineParser?


And one more QtArg 2.0.0 is still compatible with Qt 4... Just tested 
it, there were two compilation errors, fixed already in the last commit. 
So if you need Qt 4 be supported do git clone ... Thank you :)




On Tue, Jan 26, 2016 at 3:00 PM Ben Lau > wrote:


On 26 January 2016 at 19:52, Igor Mironchik
mailto:igor.mironc...@gmail.com>> wrote:

Hi,

On 26.01.2016 14:11, Nikos Chantziaras wrote:

On 25/01/16 13:48, Igor Mironchik wrote:

Hello guys,

I'm glad to present QtArg version 2.0.0

In new version were

  * implemented commands in command line,
  * improved hierarchy of argument classes,
  * improved help system,
  * improved syntax,
  * fixed different issues.


Maybe it would be a good idea to tell people what the heck
this is first :-P


Sorry, I thought that many people know about QtArg. It's very
simple. QtArg - this is classes to parse command line
arguments. Like QCommandLineOption and QCommandLineParser, but
with support of commands, i.e., for example, "git add
file.txt" - "add" - this is command... :)


Hi Igor,

Interesting. I would suggest to add a license file or stay the
license of your library in README.md.

Moreover, will you consider to publish your library on qpm.io
 ?


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Re: [Interest] Getting QImages into QMediaRecoder to create video files (e.g. avi, mp4, or animated gif)?

[Phil Weinstein]

Unfortunately, Qt commercial license support folks are confirming that, 
currently (as of Qt 5.6), there is no way to get a sequence of 
programmatically generated QImages (e.g. renders from an application 
QWidget) into the QMediaRecorder class.  ("There is no API for that").


Related -- they also could not offer any information about a Google WebM 
/ VP8 solution.  That really looks like a promising approach, though the 
integration is technically challenging.  As far as I can tell, that 
really is the only virtually bullet-proof legal approach to generating 
synthetic videos (i.e. animations generated programmatically, saved as 
video files).  http://www.webmproject.org/about/


- Phil

On 1/24/2016 11:50 AM, Phil Weinstein wrote:
Relative to this topic, "*Video file generation from Qt application,* 
other than FFmpeg" (on this "interest" e-mail list, in the wrong 
place, and also thread: 
https://forum.qt.io/topic/63105/video-file-generation-from-qt-application-other-than-ffmpeg) 
there's been suggestions in related Qt forums, possibly referring to 
the *Qt5 QMediaRecorder class,* that video file generation can be done 
in "just" Qt.


In the Qt5 documentation, there is just a little information about 
using *QCamera* in conjunction with QMediaRecorder to create video 
files ("record video to disk") ...


  * http://doc.qt.io/qt-5/videooverview.html#recording-video
  * http://doc.qt.io/qt-5/cameraoverview.html#movies

However,*I'm not seeing any way to get QImages or QPixmaps into either 
of these classes (QCamera or QMediaRecorder), nor their base 
classes.*  So I don't see how these can be used to generate video 
files from synthetic (program-created) images.  (Ultimately, the frame 
images would come from "rendering" our QWidgets to QPixmaps or QImages).


Also, there doesn't seem to be any information about whether anything 
special has to be done with respect to *video codecs* for creating 
video files (e.g. avi, mp4, or animated gif).  I'd like to give it a 
try, but that's not doable (nor meaningful) if we can't get QImages 
and QPixmaps into these Qt5 video-handling classes.
--- 


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Re: [Interest] Qt component repositories

[Jaroslaw Staniek]

On 26 January 2016 at 16:11, Ben Lau  wrote:

>
> I have tried to use inqlude command line client but I could only use the
> "download" function. I don't know which library is "installable". If I
> understand correctly, inqlude is a tool to download and install library to
> system.
>
> Then its concept is different than qpm. qpm manages the library dependence
> of your application. It don't install anything to system. Instead, it read
> from application's qpm.json and install all the source code of depended
> libraries with specific version in source directory.
>
> It will extract all the source code and create a vendor.pri that include
> all the installed libraries. So that user just need to add vendor.pri to
> their .pro file to use those libraries.
>
> It is very convenience. Just type a single command and you could get all
> the libraries. And it could ensure all the developers use same version of
> library.
>
> Moreover, last time I push a package to inqlude and takes 3 weeks to get
> merged, but I could publish a new package in qpm.io without any delay.
>
>
Great stuff, just my 2c:

The most helpful initiatives for Qt is the one that de-fragments it. Qt
community isn't big enough to cut it into pieces...

>From the goals it's clear that inqlude had/have in mind all the properties
of qpm too. If these were not implemented, maybe it's because some more
contributing energy was missing, maybe exactly the one that went into qpm.

I don't question technical aspect but I'd think that the whole infra and
standardisation would look better from the early days if it's managed by a
foundation or association, not a company, no matter what.


> On 26 January 2016 at 21:33, Dmitry Volosnykh 
> wrote:
>
>> Igor, inqlude should provide mentioned functionality, too. See
>> http://inqlude.org/get.html
>>
>> On Tue, Jan 26, 2016 at 4:01 PM Igor Mironchik 
>> wrote:
>>
>>>
>>>
>>> On 26.01.2016 15:24, André Somers wrote:
>>>
>>>
>>>
>>> Op 26/01/2016 om 13:00 schreef Ben Lau:
>>>
>>>
>>>
>>> Moreover, will you consider to publish your library on qpm.io ?
>>>
>>>
>>> What's the difference between qpm.io and inqlude.org?
>>>
>>>
>>> As I understood on inqlude.org you can look at the web page and click
>>> links...
>>>
>>> On qpm.io you can use tool qpm to search package by the given key-words
>>> and install from the same tool, named qpm... :)
>>>
>>>
>>> André
>>>
>>>
>>>
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>>>
>>>
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>>
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>>
>>
>
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>


-- 
regards, Jaroslaw Staniek

KDE:
: A world-wide network of software engineers, artists, writers, translators
: and facilitators committed to Free Software development - http://kde.org
Calligra Suite:
: A graphic art and office suite - http://calligra.org
Kexi:
: A visual database apps builder - http://calligra.org/kexi
Qt Certified Specialist:
: http://www.linkedin.com/in/jstaniek
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Re: [Interest] Getting QImages into QMediaRecoder to create video files (e.g. avi, mp4, or animated gif)?

[Jason H]

Well your QImages are going to display device optimized, your video needs to be YUV (or some other video format) There exists a multitude of utlities that can take images and use them as frames. FFMPeg is one. GraphicsMagick (Like ImageMagick but MIT licensed) is another.  Availible as exe or library
 

Sent: Tuesday, January 26, 2016 at 3:14 PM
From: "Phil Weinstein" 
To: interest@qt-project.org
Subject: Re: [Interest] Getting QImages into QMediaRecoder to create video files (e.g. avi, mp4, or animated gif)?


Unfortunately, Qt commercial license support folks are confirming that, currently (as of Qt 5.6), there is no way to get a sequence of programmatically generated QImages (e.g. renders from an application QWidget) into the QMediaRecorder class.  ("There is no API for that").

Related -- they also could not offer any information about a Google WebM / VP8 solution.  That really looks like a promising approach, though the integration is technically challenging.  As far as I can tell, that really is the only virtually bullet-proof legal approach to generating synthetic videos (i.e. animations generated programmatically, saved as video files).  http://www.webmproject.org/about/

- Phil

On 1/24/2016 11:50 AM, Phil Weinstein wrote:
Relative to this topic, "Video file generation from Qt application, other than FFmpeg" (on this "interest" e-mail list, in the wrong place, and also thread: https://forum.qt.io/topic/63105/video-file-generation-from-qt-application-other-than-ffmpeg) there's been suggestions in related Qt forums, possibly referring to the Qt5 QMediaRecorder class, that video file generation can be done in "just" Qt.

In the Qt5 documentation, there is just a little information about using QCamera in conjunction with QMediaRecorder to create video files ("record video to disk") ...


	http://doc.qt.io/qt-5/videooverview.html#recording-video
	http://doc.qt.io/qt-5/cameraoverview.html#movies


However, I'm not seeing any way to get QImages or QPixmaps into either of these classes (QCamera or QMediaRecorder), nor their base classes.  So I don't see how these can be used to generate video files from synthetic (program-created) images.  (Ultimately, the frame images would come from "rendering" our QWidgets to QPixmaps or QImages).
Also, there doesn't seem to be any information about whether anything special has to be done with respect to video codecs for creating video files (e.g. avi, mp4, or animated gif).  I'd like to give it a try, but that's not doable (nor meaningful) if we can't get QImages and QPixmaps into these Qt5 video-handling classes.
---

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Re: [Interest] Qt component repositories

[Jason H]

> The most helpful initiatives for Qt is the one that de-fragments it. Qt 
> community isn't big enough to cut it into pieces...


I completely agree. We are too small to be fragmented. We should resolve this 
sooner than later. I also like the idea that it gets carried forth by an 
organization - as part of the project a first-class binary like qmake.

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[Interest] QSystemTrayIcon under OS X

[Bob Hood]

Hey, guys.

I have a small "helper" Qt application that just adds an icon to the Windows 
task tray, and manages the life cycle of a process intended to run in the 
background.  This "helper" is just a convenient interface for the user.  It 
works fine under Windows. Appears in the task tray, provides a context menu, 
has no main window or other presence on the desktop.


This same code under OS X shows the icon in the OS X equivalent of the task 
try along with the context menu.  However, it also shows an entry in the 
launcher at the bottom, and provides a second "standard" menu with "standard" 
menu options (i.e., options I did not create).


Whats the best way to hide these unneeded and unwanted extra items (launcher 
presence and system menu) so the behavior is consistent between the platforms?


Thanks.

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Re: [Interest] Qt component repositories (was: Re: QtArg version 2.0.0)

[Cornelius Schumacher]

On Tuesday 26 January 2016 13:24:26 André Somers wrote:
> Op 26/01/2016 om 13:00 schreef Ben Lau:
> > Moreover, will you consider to publish your library on qpm.io
> >  ?
> 
> What's the difference between qpm.io and inqlude.org?

qpm is a package manager, so it is able to build packages, share them via 
qpm.io, install them, and handle dependencies. Something which is solved in 
the ecosystems of node, ruby, etc., but not so much in Qt or C++. qpm could 
fill this gap.

Inqlude is about handling meta data of Qt libraries. It's not supposed to be a 
package manager, but to integrate with package managers, so that e.g. on a 
Linux distribution it would use the native package manager such as RPM to 
install library packages. It could also use qpm.

So I don't think these are conflicting projects, but they augment each other. 
qpm could use inqlude's meta data to provide access to more software, and 
inqlude could use qpm to help users to install packages.

qpm currently has 19 libraries listed, inqlude has pretty much everything 
which is there in terms of libraries built on Qt, it currently lists 196 
libraries.

I think it would be great to work together to give application developers the 
best possible access to what the Qt ecosystem has to offer.

-- 
Cornelius Schumacher 
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Re: [Interest] Qt component repositories

[Jaroslaw Staniek]

On 26 January 2016 at 22:16, Jason H  wrote:

> > The most helpful initiatives for Qt is the one that de-fragments it. Qt
> community isn't big enough to cut it into pieces...
>
>
> I completely agree. We are too small to be fragmented. We should resolve
> this sooner than later. I also like the idea that it gets carried forth by
> an organization - as part of the project a first-class binary like qmake.
>
>
Thanks Jason.
PS: It's not that Cutehacks​ do not get credit where credit is due. Let me
just mention it already gets credit for awesome evangelism/popularization
of Qt technologies especially with Qt Quick. Just like KDAB for
evangelism/education/extra useful tools/co-creation of the whole niche. And
ICS. Just like Kitware for CMake.

(OK here's some fragmentation in the buildsystems space if someone counts
qbs in the game too but before qbs, CMake/QMake addressed quite distinct
use cases and complemented each other)

And I can't forget to say thank you for all code contributions and
co-maintainership.
It's all so much based on a common sense, no reason for not cooperating.
​​

-- 
regards, Jaroslaw Staniek

KDE:
: A world-wide network of software engineers, artists, writers, translators
: and facilitators committed to Free Software development - http://kde.org
Calligra Suite:
: A graphic art and office suite - http://calligra.org
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Re: [Interest] TextField QML auto keyboard hiding/lose focus on touch events

[mark diener]

Gian:

Ok, I wanted to share my solution since you kindly offered a
suggestion a day or two ago.

1) Create an C++ function: Q_INVOKABLE void gregister(QObject* goedit) ;

2) Store the QObject away some where for access ONLY on the GUI thread.

3) For controls that I want to LOSE focus when click anywhere OUTSIDE
of that control, I call the register with the ID.

For example) QML: onFocusChanged: if (gtextfield.focus == true)
Mysingleton.gregister(gtextfield) ;

4) Install an event filter:

 QGuiApplication->installEventFilter(&gfilter);

Inside the event filter, I do the following:

A) Ignore messages from Qobject* obj->isWindowType() -> return false;
B) Only look for  QEvent::MouseButtonPress and QEvent::TouchBegin events
C) Use Qmetaobject*->classname() to check if the name of the obj
pointer is a pointer to ANOTHER text input field using
QString.contains() == true
D) If find your classname in the parent tree, then just return false,
do nothing, since another input control is going to appear that needs
the virtual keyboard, no sense in hiding it.
E) Make sure you check the parent tree since your class name may appear higher
F) gtextfield->setProperty("focus",QVariant(false)) -> Removes focus
on your control and hides the Virtual keyboard.

This works beautifully and is a code pattern that scales without
regard to how big your QML object->parent tree is.

And the message filter is very efficient, does not add any real
overhead to the message stack tree.

Thanks,

Md





On Mon, Jan 25, 2016 at 12:48 PM, m...@rpzdesign.com  wrote:
> Gian:
>
> Thank you for the input.
>
> I tried it a little bit and found that mousearea onPressed would not trigger
> up past Loader, so as a universal pattern it will not work.
>
> In fact, many controls (Listview,etc) suck up the mouse events when those
> mouse/touch events SHOULD cause the keyboard to retract.
>
> I am going to put a registration into my custom controls that application
> wide will register themselves -> onFocusFocusChanged:
> C++Invokable(thisqmlobject,thisqmlobject.activefocus)
> and every time a specific control gains focus, it will register itself and
> then I will filter on events to compare the QMouseEvent/QTouchEvent with the
> registered QObject* (Qml Item) to see whether the keyboard should retract.
>
> This will separate my code from all the event snarfing components in the QML
> item stack.
>
> I think this is a PC legacy behavior not suited to touch.
>
> Thanks,
>
> md
>
> On 1/25/2016 11:20 AM, Gian Maxera wrote:
>>
>> Hello Mark,
>> I achieve that on mobile using a simple MouseArea that cover all the
>> screen and it’s under all other active elements.
>> When that MouseArea is touched, I call Qt.inputMethod.hide() … and that’s
>> it.
>> So, if the user touch outside any button, textfield, etc… then that touch
>> will reach the underlying MouseArea that will call the hide on keyboard.
>>
>> Ciao,
>> Gianluca.
>>
>>
>>> On 25 Jan 2016, at 17:16, mark diener  wrote:
>>>
>>> Hello List:
>>>
>>> Anybody have a tip or suggestion for IOS/Android Qt 5.5.1 -> Qt 5.6.0
>>> Beta
>>>
>>> I am using a TextField and the keyboard pops up whenever the input
>>> control
>>> receives focus.
>>>
>>> But I want the TextField to lose focus whenever you click/touch
>>> outside of the control.
>>>
>>> Not Just Tab & Enter that are VERY PC centric, not tablet/smartphone
>>> concepts.
>>>
>>> Right now, the blinking cursor remains on the field and the
>>> Android/IOS keyboard remains visible
>>> when you use your finger and touch some where outside of the TextField.
>>>
>>> Obviously, I want the keyboard to REMAIN if the user clicks on ANOTHER
>>> TextField.
>>>
>>> Is there a QML way to do this?
>>>
>>> I have some C++ and event filter ideas to make this happen, but those
>>> are brute force ideas and there might be something that I don't see in
>>> the QML TextField documentation.
>>>
>>> Thanks,
>>>
>>> md
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[Interest] [SOLVED] QSystemTrayIcon under OS X

[Bob Hood]

Found it.  Need to add:

 LSUIElement
 

to the Info.plist for the application, and it hides the launcher presence and 
the system menu.  The task tray icon still displays.



On 1/26/2016 3:18 PM, Bob Hood wrote:

Hey, guys.

I have a small "helper" Qt application that just adds an icon to the Windows 
task tray, and manages the life cycle of a process intended to run in the 
background.  This "helper" is just a convenient interface for the user.  It 
works fine under Windows. Appears in the task tray, provides a context menu, 
has no main window or other presence on the desktop.


This same code under OS X shows the icon in the OS X equivalent of the task 
try along with the context menu. However, it also shows an entry in the 
launcher at the bottom, and provides a second "standard" menu with 
"standard" menu options (i.e., options I did not create).


Whats the best way to hide these unneeded and unwanted extra items (launcher 
presence and system menu) so the behavior is consistent between the platforms?


Thanks.

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[Interest] Stacked area chart and chart orientation in Qt Charts

[Elvis Stansvik]

Hi all,

I noticed that Qt Charts has a stacked bar chart, but no stacked area
chart like this:

http://www.highcharts.com/demo/area-stacked

Though you could of course compose one of multiple area charts
yourself. But doesn anyone know if there's API planned for simplifying
working with stacked area charts? In my case it's a bunch of
concentrations (percentage), and they data series' might change in
response to use actions, which would invalidate the entire chart.

Also, if I want to make a vertical line chart (rotated 90 degrees from
the "normal" orientation), would I just rotate the entire QChart
(QGraphicsWidget)? Will interaction with it continue to work as
expected? Has anyone tried this?

Cheers,
Elvis
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[Interest] About building opengl32sw.dll

[Kimmo Karvinen]

Hi,

I've built the opengl32sw.dll with the instructions in the Qt Wiki
https://wiki.qt.io/Cross_compiling_Mesa_for_Windows
When running an application with the QT_OPENGL=software I always get a
dialog that says that it failed to create a OpenGL context.

I've also tried with the prebuilt opengl32sw.dll from
http://download.qt.io/development_releases/prebuilt/llvmpipe/windows/ and
with that there is no complaints but I've seen some crashes within the
opengl32sw.dll and there is also a bug report for similar situation with Qt
Creator: https://bugreports.qt.io/browse/QTBUG-48222

I also built the opengl32sw.dll with instructions in the Mesa3D site and
that works in the computer it was built in but on other computers I get the
same error dialog.

I'd like to know how is the Qt prebuilt opengl32sw.dll built so that I
could build it myself also.

Thank you,
Kimmo

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