Frank, et al.:
My *OPINION* is that Nokia sucked a lot of the energy
out of Qt as they tried to bend it into being a mobile
platform. In the process, the desktop (and my own area
of interest, the embedded world) was greatly forgotten.
The only thing that saved Qt from being sucked into
All:
Wow! I would have been happy to run Nokia into the ground
for a mere €10.0m (plus a nice apartment in Helsinki).
Heck, there's even a fair chance I wouldn't have crashed
the corporation (or lit the oil rig on fire or anything);
I would have just dictated a wholesale switch from Sym
the font metrics ("leading" and "tracking")
everywhere
Atlant Schmidt wrote:
I'd appreciate your help and especially an example!
It sounds to me as if your best bet is to create a derived version of the font
file with characteristics better suited to you. The open source progra
Folks:
We've got a classic-QT (C++) application that runs under Qt 4.8.4
using QWS.
One of the fonts we use appears to have excessive interline
spacing (leading) and (perhaps) excessive inter-character
spacing (its "tracking" could be tighter).
We'd like to affect these parameters ev
Prashant:
> However, I intend to scale it to around 100,000 QTimers.
I would *NEVER* take it on faith that any system would scale to support
100,000 timers, let alone 100,000 timers emanating from one task. I would
*DEFINITELY* test/benchmark this first.
And I wouldn't be surprised to le
Sensei:
I think it's generally incorrect to do a QApplication::exec()
from anywhere but your main thread (the GUI thread). Instead,
your worker thread should just be waiting on a semaphore (set
by the main thread) or some such. Note that no explicit "sleep()"
is usually required.
Inse
Folks:
Yesterday, I attended the trade show at the Embedded Systems Conference
East, held annually in Boston Massachusetts. I'm glad to say that Qt had a
booth there on the trade show floor, staffed by Digia employees.
This year, the story being told in the Qt booth was a good one, addres
I'll retry this question once seeing as how I got no answers
after a month...
Situation:
We have an application using Qt 4.6.2 on Embedded Linux (so
QWS). Our client has requested that the Japanese version of
our app use the Hiragino font.
Problem:
But we've seen that several (many? mo
Folks:
Is the order of styles and sub-styles within a Qt stylesheet ever
significant?
For example (see below), if I had a variety of paragraphs describing
the various types, sub-controls, and states of a widget class, does it
ever make any difference in which order those paragraphs appea
All:
> It can be very easily justified that many to Utf* calls are justified because
> of latency in the I/O system means it happens "for free" while reducing the
> overall latency.
In the "modern world", be a little cautious when you decide what activities can
overlap with other activities. Fo
Jason:
> I've got a very long process that I want to protect against this.
> Switching to 64bit is not an option for at least another 10 years.
The classical answer from the realtime world is: Don't deallocate
and reallocate.
In our application, we instantiate at image startup time every
Q
, August 15, 2012 5:22 PM
To: interest@qt-project.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
On Wednesday, August 15, 2012 08:06:08 AM Atlant Schmidt wrote:
Atlant:
> And the "indirect sales value" matters not a
> whit to the owner of the software (or the
> sh
.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
Hi,
On Tuesday 14 August 2012 17:47:37 Atlant Schmidt wrote:
> Chuck:
> > Adding LGPL as a license option had an enormous impact on the
> > commercial business but it also grew the number of users by an order
> > of magni
Chuck:
> Adding LGPL as a license option had an enormous impact on
> the commercial business but it also grew the number of users
> by an order of magnitude over the same time period.
But all of those new LGPL users were *NOT* paying to
use Qt (except for those that bought support contracts).
André:
> IANAL, but I don't see the ambiguity in the requirements, ...
You don't find these paragraphs from LGPL 2.1, if not ambiguous,
at least "interesting"?
When a "work that uses the Library" uses material from a
header file that is part of the Library, the object code
for th
rom: BRM [mailto:bm_witn...@yahoo.com]
Sent: Tuesday, August 14, 2012 10:04 AM
To: Atlant Schmidt; interest@qt-project.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
> From: Atlant Schmidt
> To: 'Bob Hood' ; "interest@qt-project.org"
>
> Sent: Tuesda
org] On Behalf Of
Bob Hood
Sent: Monday, August 13, 2012 4:57 PM
To: interest@qt-project.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
On 8/13/2012 9:30 AM, Till Oliver Knoll wrote:
> Am 13.08.2012 um 16:00 schrieb Atlant Schmidt :
>
>> ...
>> And this is what Nokia has
..@yahoo.com]
Sent: Monday, August 13, 2012 9:54 AM
To: Atlant Schmidt; interest@qt-project.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
> From: Atlant Schmidt
> Subject: RE: [Interest] Digia to acquire Qt from Nokia
> BRM:
>> And that's hogwash.
>
> Okay,
icrosystems also proved this when
they open-sourced Solaris.
Do you have a counter-example?
Atlant
-Original Message-
From: BRM [mailto:bm_witn...@yahoo.com]
Sent: Monday, August 13, 2012 9:30 AM
To: Atlant Schmidt; interest@qt-project.org
Subject: Re: [I
012 8:22 AM
To: interest@qt-project.org
Subject: Re: [Interest] Digia to acquire Qt from Nokia
On segunda-feira, 13 de agosto de 2012 07.57.48, Atlant Schmidt wrote:
> All:
>
> Apparently, the price Digia paid for the rest of Qt was
> EUR4m (US$4.9m).
>
> That's quite a
All:
Apparently, the price Digia paid for the rest of Qt was
EUR4m (US$4.9m).
That's quite a mark-down from the US$150m Nokia paid to
buy Trolltech in 2008!
Atlant
-=-=-=-=-=-
http://www.financial-news.co.uk/6900/2012/08/finnish-handset-maker-nok
All:
This is *GREAT* news!
Digia have always been hard workers including all of
their work on Qt (as a Nokia contractor) before most
of you probably heard of them.
Their statement that they will "bring back focus on Qt's
desktop and embedded platform support" is also welcome
news a
Lorn:
> Nokia does not leave its employees that it makes redundant
> 'high and dry'. I would say their redundancy package is
> quite generous. At least in our case.
That all depends on the country in which one resides.
Here in the USA, the Nokians who were very recently
made redundant were
Carl:
Two points:
1. In most fonts, the numbers are designed to all use the
same pitch so numbers will inherently align. (This is
isn't true of all fonts, though.) And "+", "-", "$"/
"€"/"¥"/"£" (etc.), and a few other characters that
typically hang around with numbers may
1. Make the QDialog as big as the screen.
2. Make the backmost widget in the QDIalog as big as the screen,
fill it with black, and set it (say) 50% transparent.
3. Put the real dialog on top of that.
When the dialog is on display, the stuff in other windows should
show through,
Situation:
We have an application using Qt 4.6.2 on Embedded Linux (so QWS).
Our client has requested that the Japanese version of our app use
the Hiragino font.
Problem:
But we've seen that several (many? most?) of the CJK punctuation
characters (Unicode code points 0x3000 through 0
following order:
Helo,wrdfmAtlan!
In the file, the glyphs vary in width depending on the font metrics
but they are always an even (or even multiple of 4?) in width.
Atlant
From: Lata Agrawal [mailto:lata.agra...@enrouteinc.com]
Sent: Wednesday, June 27, 2012 2:09 PM
Lata:
When your app is running, Qt should produce temporary .qpf files
in your system's fonts folder (for example,
/usr/lib/fonts/helvetica_100_50.qpf).
These represent a cache of glyphs that Qt has already rendered from
the scalable font file. (In the case of my example, the Helvetica fo
h@qt-project.org] On Behalf Of
Harri Pasanen
Sent: Friday, June 22, 2012 10:46 AM
To: interest@qt-project.org
Subject: Re: [Interest] Semi-OT: What could / should Elop / Nokia have done
differently?
On 06/22/2012 03:27 PM, Atlant Schmidt wrote:
>I was very fond of the strategy that I*T
Bo:
> But you're missing one important point: No CEO comes in and does
> what Elop did without a clear mandate from the board. He was hired
> specifically to introduce Windows Phone, not the other way around.
I don't disagree with you at all. Nokia was already
a very "Microsoft-friendly" comp
...@qt-project.org] On Behalf Of
K. Frank
Sent: Friday, June 22, 2012 8:50 AM
To: Qt-interest
Subject: Re: [Interest] Semi-OT: What could / should Elop / Nokia have done
differently?
Hi Atlant!
Thank you for some of the history and your insightful
comments.
On Fri, Jun 22, 2012 at 7:41
Dear all:
In my opinion (informed by some time spent actually
working for Nokia), Nokia's biggest problem was that
their early, stunning success in mobile phones led them
to develop a culture which was risk-averse. They were
the largest manufacturer of mobile phones in the world
so the
mailto:interest-bounces+aschmidt=dekaresearch@qt-project.org] On Behalf Of
Atlant Schmidt
Sent: Thursday, June 21, 2012 9:45 AM
To: 'Till Oliver Knoll'; Qt Interest
Subject: Re: [Interest] Qt on Windows Phone 8
Oliver:
> * Apple apparently /allows/ interpreters in apps, as long as
Oliver:
> * Apple apparently /allows/ interpreters in apps, as long as your app
> doesn't have the capability to download /external/ code to be
> interpreted (as to circumvent the "In-App purchase" - again, an
> "economical reason", not a "technical based one")!
It's *NOT* just an "economic" re
d3fault:
You act as though Nokia tells its employees more-meaningful/less-spun
stuff than Nokia tells to us on the outside. That's not how corporations
work and it's certainly not how Nokia's current "leadership" works; they
spin everything they say, for internal as well as external consum
André:
> > I don't know what timer API is used by Qt. If it's Posix timers underneath,
> > can you try a simple app with Posix timers and see if they also misbehave.
> > That way, we will know whether it's a platform problem or qt problem.
> Seems to me that no matter what technology Qt uses unde
Arun:
Bo's correct - this topic isn't specific to Qt.
However, just to get you started, I'll make several observations:
1. The best place to do audio noise reduction is when you capture your
original data. Use a more-directional microphone, use a secondary
microphone that
Rainer:
> Hmm, google has 26.3 million hits for "windows phone
> leading platform embedded",
You may be running in to the fact that "windows" is a
generic computer-science term and doesn't necessarily
imply "Windows".
Atlant
-Original Message-
From: inte
Jason:
> iOS will only ever support ARM…
This is pretty orthogonal to the question on the table,
but I’ll bet this statement is wrong. iOS will support
whichever CPU architecture is seen as giving the
best performance per Watt* and right now, that’s
ARM. But in the future, it may be som
All:
> "Licensor hereby grants, in exchange for good and valuable
> consideration, the receipt and sufficiency of which is hereby
> acknowledged, ...
I wonder what "good and valuable consideration" Nokia's
attorneys believe is being provided as their part of this
contract? Usually, that ter
Oliver:
(I realize you're mostly joking.)
> > Haven't you heard of all the analog electronics where
> > there's no concept of boolean logic?
>
> You push the button... there's light. You push it again...
> it goes off. Sounds logic to me...
Sure, *THAT* is easy. Now take a signal at 2,630,00
+aschmidt=dekaresearch@qt-project.org] On Behalf Of
R. Reucher
Sent: Friday, April 13, 2012 07:46
To: interest@qt-project.org
Subject: Re: [Interest] thanks for extra reading suggestions - sorry to insult
technical writers
On Friday 13 April 2012 13:29:33 Atlant Schmidt wrote:
> So mayb
interest-bounces+aschmidt=dekaresearch@qt-project.org] On Behalf Of
Harri Pasanen
Sent: Friday, April 13, 2012 08:59
To: interest@qt-project.org
Subject: Re: [Interest] thanks for extra reading suggestions - sorry to insult
technical writers
On 04/13/2012 01:29 PM, Atlant Schmidt wrote:
> O
Oliver:
One thing worth noting is that while some folks on this
list are defending how hard it is to program, Apple may
now be attempting to make it much easier for non-programmers
to develop iOS apps.
http://www.appleinsider.com/articles/12/04/12/apple_wants_to_make_it_easy_for_non_pr
ssage-
From: Peter M. Groen [mailto:pgr...@osdev.nl]
Sent: Thursday, April 12, 2012 08:32
To: Atlant Schmidt
Cc: 'André Somers'; interest@qt-project.org
Subject: Re: [Interest] query about QT textbooks
Atlant Schmidt wrote:
> All:
>
> When the world made the change to mostly
All:
When the world made the change to mostly Free and
Open-Sourced Software (FOSS), one of the things that
got discarded was good documentation. Back in The
Old Days(tm), when software packages cost thousands
of dollars, there was money available to pay for a
good staff of tech writer
Marcus:
> I need to make sure that the password is not kept in memory when
> QLineEdit is destroyed. I tried to use QLineEdit::clear() or
> QLineEdit::setText() but the password string stays in memory. I
> basically want to zeroise the private member string that holds the
> text, I believe QLineEd
Folks:
Thirding the recommendation for BeyondCompare! It works well out
of the box but as you become more familiar with it, you will discover
it has some really powerful features including the “umpire”, its ability
to customize comparisons for each filetype, and its ability to compare
m
Sivan:
> I'd appreciate help creating this list with as many
> items needed and different trade offs.
n. Checkpoint your critical data, settings, and state
frequently as you never know when you will be
abruptly evicted from memory.
n+1. Be able to "resume" (from the human user's poin
: [Interest] Are videos and presentations from previous Qt Developer
Days available online?
Op 14-3-2012 12:08, Atlant Schmidt schreef:
Folks:
Are videos and presentations from previous Qt Developer Days
available online? If so, where are they?
Yes, here: http://qt-project.org/videos#t
Folks:
Are videos and presentations from previous Qt Developer Days
available online? If so, where are they?
Or must one attend the Developer Days to gain access to these?
Atlant
This e-mail and the information, including a
Lucas:
How "rich" does your Rich Text have to be?
If your task is to write minimally-formatted text into
a .RTF file, you might just want to write your own
writer implementation from scratch. Microsoft provides
pretty good documentation on the .RTF format and you
can readily create ex
All:
IMPORTANT NOTE:
If you're distributing Qt under the LGPL license,
by statically linking to the Qt libraries you are
creating an obligation to distribute *ALL OF YOUR
SOURCE CODE* that links to those libraries.
You may not want to do that.
If you don't want to do that, you are
Folks:
> Alternatively... how about a more noob friendly Qt-Interest list? Some people
> get off on helping noobs (helps them sleep better at night I guess)... but I
> think
> most of us just get annoyed by his(her?) noise.
I don't help "noobs" on mailing lists because I "get off on it";
I h
: [Interest] Documentation bug: QFileSystemModel
On Wednesday, February 15, 2012 07:03:14 Atlant Schmidt wrote:
> Folks:
>
> There's a missing term in the Qt 4.8 documentation for the
> QFileSystemModel class. Can someone on the list who knows who the correct
> person is pl
Folks:
There's a missing term in the Qt 4.8 documentation for the QFileSystemModel
class. Can someone on the list who knows who the correct person is please
forward this on to them? I've shown the error below.
Atlant
> Unlike , QFil
me some
suggestions. Thanks Sujan
On Tue, Jan 31, 2012 at 11:07 PM, Atlant Schmidt
mailto:aschm...@dekaresearch.com>> wrote:
Sujan:
> ...and now I want that program to work on a website. Is it possible to do??
I think you need to ask us a "more concrete" question.
Sujan:
> ...and now I want that program to work on a website. Is it possible to do??
I think you need to ask us a "more concrete" question.
In exactly what way do you want your program to "work on
a website"? Are you writing a Qt program that should be able
to access data from a website?
Quim:
DISCLAIMER: The listing below is for:
o Qt 4.6.2 and not any current version
O Qt built for PowerPC and Linux
But the size of LibQtGui and LibQtCore sum to
about 13MB so that's in range with your analyst's
estimate of 12 MB, so this may give you some "sense
of scale" of how b
Sujan:
Googling for '"The application failed to initialize properly" 0xc005'
seems to lead to many people dealing with PC viruses that have damaged
their systems.
You may want to read some of those posts.
Atlant
From: interest-bounces+
st-bounces+aschmidt=dekaresearch@qt-project.org] On Behalf Of
Andreas Pakulat
Sent: Thursday, January 12, 2012 11:19
To: interest@qt-project.org
Subject: Re: [Interest] OT: Bug-free code (Was: QtSVG deprecated)
On 12.01.12 08:50:47, Atlant Schmidt wrote:
> > > My over 20 years exp
All:
> With this class you just do this:
>
> {
> SignalBlocker blocker(watcher);
> modifyTheFile();
> }
It seems to me that there's a race condition here.
Unless you're taking steps to deliberately lock-out
other processes from modifying the file, then they
could slip in immediate
> > My over 20 years experience shows that there is no bug free software,
> > there are bugs that either have not being found yet or just ignored.
>
> Well, one example of a bug-free application would be
>
> int main()
> {
> return 0;
> }
>
> Sure it does not do anything useful, but its pretty mu
Giuseppe:
> For the sake of the argument, that's not completely true --
> slots are guaranteed to be called in the order they have
> been connected to the signal.
I believe that's only true for locally-connected slots
(where the emission of a signal simply becomes a well-
hidden function ca
ative:
A "zip" file (or other archive) that packs-up the
textual file as well as all of the external files.
Atlant
-Original Message-
From: Konstantin Tokarev [mailto:annu...@yandex.ru]
Sent: Monday, November 21, 2011 09:35
To: Atlant Schmidt
Cc
Graham:
I'm not sure I understand your question so let me try an answer
and you can tell us whether that answer is germane to your
question ;-).
Essentially, there are two ways to store any non-textual
data in association with a basically-textual document:
o Internally - In this si
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