time.
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::addApplicationFont, with a font file you ship
separately or as a resource.
There's no API in Qt to install a font file with the system. Your application
might not have the privileges to do so, so if you need that, then you’d
probably best do that as part of your installation routine.
Volker
ther. You can
keep your widget code and add Qt Quick via QQuickWidget to it already today.
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turn QSize(_doc.idealWidth(), _doc.size().height());
}
Sorry I can't release the full code as it does lots of other things like icon
decoration role, clicking on links in the HTML, etc.
Hope that helps,
Tony
Best regards,
Volker
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be which platform you see this on, and whether
you are running your UI on a display with a fractional scale level, as that
might result in rounding errors in the integer-based painting architecture of
Qt Widgets and QGraphicsView.
Volker
On 23 Nov 2023, at 16:28, Calogero Mauceri wrote:
Hi
when you call QApplication::quit()
yourself, I suppose.
Volker
> On 24 Oct 2023, at 20:30, Alexander Dyagilev wrote:
>
> Hello,
>
> No, it returns true always.
>
> On 10/23/2023 11:30 PM, Hamish Moffatt via Interest wrote:
>> On 24/10/23 06:10, Alexander Dyagile
events?
>
> Hamish
They should; the window system event is handled as a spontaneous event and
should reach Q(Gui)Application::event with the spontaneous flag set; a call to
Q(Core)Application::quit sends (or posts, depending on the thread) the event as
a synthetic event to t
details
would be good.
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*, this should
be reproducible with small bit of code. And if you have that, then comparing
the assembly you get out of your compiler when targeting Intel vs ARM might
give some hints.
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handle the ApplicationPaletteChange event in your
UI. You can then evaluate the value of QStyleHints::colorScheme API to decide
how you want to modify your style sheet.
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Cross-posting from the development list: anyone with an interest in Qt
TextToSpeech is welcome to the API review session on Monday 22nd afternoon,
16:00 Oslo time (CEST). Link to the MS Teams meeting, and to the new APIs we
plan to have in Qt 6.6, below.
Volker
> On 13 May 2023, at 14
can’t get it out as a QVariantMap anymore, and the code above will
print “QMultMap”, like it should.
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Hi,
I hope some of you might be interested in joining this and, well, ask anything:
https://www.meetup.com/meeting-cpp-online/events/291796153/
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cause the lineEdit is also after the tab widget).
And we need to allow that as a temporary state.
So as a stop-gap, don’t set the tab order to move from line edit to tab widget.
Volker
On 3 Mar 2023, at 19:42, Scott Bloom wrote:
Qt Creator? Never heard of it I use Visual Studio, but I did al
to add such a
property to an object (and an item in a tree is generally not represented by an
object, it’s just data provided by the model).
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continues to be a subject of research. Ville has commented on that in the past
[1] and has recently played with Qt and sender/receiver (i.e. P2300), which got
even Eric Niebler excited [2].
Volker
[1] https://lists.qt-project.org/pipermail/development/2021-March/041110.html
[2] https://twit
.
Volker
> On 23 Oct 2022, at 21:29, Volker Hilsheimer via Interest
> wrote:
>
> Thanks for pointing those out Bill, I did not have those helpers from the Qt
> 5 Extras on my radar. Will check where we are with those.
>
>
> Volker
>
>
>> On 21 Oct 2022, at
cy products will continue to be maintained with Qt 4.8 custom spins as
> well as Qt 5.x custom spins but no new development will occur using Qt. That
> has been the feedback from one and all.
Indeed, what your clients do or don’t do would be a lot more interesting if we
could assume that they get their information from someone who’s at least trying
to keep up ;)
Cheers,
Volker
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Thanks for pointing those out Bill, I did not have those helpers from the Qt 5
Extras on my radar. Will check where we are with those.
Volker
> On 21 Oct 2022, at 23:18, Bill Jones wrote:
>
> Hi Volker,
>
> Another missing module in Qt 6.x that is very important to desktop
ffects, but if you were
happy with things in Qt 5, then the types in Qt5Compat as they are are
perfectly fine to use.
[2] https://www.qt.io/blog/introducing-qt-quick-effect-maker
So, unless you depend on Qt Location, there’s no point in waiting. And if you
do - we’ll soon share mor
elies on private
Qt APIs though.
There might be C++17-ways to simplify some of that using `if constexpr`, but
the basics will probably be the same.
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ull source for the widget can be found here
> https://github.com/towel42-com/SABUtils/blob/trunk/HyperLinkLineEdit.cpp
> https://github.com/towel42-com/SABUtils/blob/trunk/HyperLinkLineEdit.h
>
> Thanks.
>
> Scott
Hey Scott,
This should be a job for a QWidget::leaveEvent override:
https://doc.
you can do is to get the visualRect of the last index, and
then calculate the view’s sizeHint based on that. That means that the tree has
to be fully expanded.
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> On 20 May 2022, at 21:05, Thorsten Glaser wrote:
>
> On Fri, 20 May 2022, Volker Hilsheimer wrote:
>
>> sending a synthesized wheel event with the Alt modifier set to the
>> QWidget will not trigger this behavior, as that never exercises that
>
> Hmm. I’m on
Lastly, you probably don’t want to do any of this when the original wheel event
comes from a kinetic scrolling device (like a track pad), so check
QWheelEvent::phase and only do this when it’s Qt::NoScrollPhase.
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,
are a huge step into the right direction.
[1] https://www.qt.io/faq/tag/qt-commercial-licensing
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Of course; I think there are a number of developers here that use Qt under an
Open Source license though, and perhaps even a few that, while having various
reasons not to use Qt under an Open Source license, still wouldn't mind
contributing with patches.
Volker
> On 24 Feb 2022, at 17
s to move Qt under Open
Governance so that anyone could contribute to Qt and make sure that it stays
awesome also for domains that Nokia won’t care much about.
Evidently, the people commenting in this thread care deeply enough about Qt on
the desktop to participate i
s long as the QtShaderTools is only used as a build
tool (as done with qtmultimedia), the fact that it’s not LGPL’ed doesn’t matter.
That we have LGPL’ed the module now with Qt 6.3 opens up possibilities to use
some of that code at runtime. But note that as of now, there are no public APIs
in the Qt
to do anything with it to configure and build Qt from source.
Volker
> On 6 Feb 2022, at 16:22, BeneschTech LLC wrote:
>
> So you guys put in a work around cmake as well...
>
> Ill be happy to compile the changes needed once I get linguist building. Just
> curi
ten software and ive only ever encountered
> issues with third party code. Indulge us old guys though. We have reasons we
> like traditional make and autotools.
Cheers,
Volker
> On Sun, Feb 6, 2022, 7:22 AM Bob Hood wrote:
> On 2/5/2022 4:15 PM, BeneschTech LLC wrote:
> >
text in
the preedit area (underlined perhaps, or with a different background color),
and the compositor window will open to allow you to pick one of the several
glyphs that can be used (for instance, either 长 or 鬯).
So, this is important for complex input methods; but the preedit area is also
used fo
hiago suggested, how do you then generate your make files?
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QMenuBar is not a Win32 native menu bar, and neither is QMenu backed by a
native win32 menu. Windows knows nothing about their role in the UI (unless it
asks for it via accessibility infrastructure, but that’s unrelated to those
messages).
Volker
From
to be done to trigger those
permission dialogs).
Filed a JIRA ticket at
https://bugreports.qt.io/browse/QTBUG-97408
Thanks,
Volker
> On 9 Oct 2021, at 22:08, Alexander Carôt wrote:
>
> P.S.: see below – in that regard I compiled the camera example (Qt6.2) and
> ran it via clickin
$ to The Qt Company, then I’m sure we can discuss a
special Qt 6 version for you that runs on Windows 7. It’s not going to be
cheap, but that’s also a choice a customer has to make.
Cheers,
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d matches the original font in certain attributes (for
instance, proportional font, or serifed font). The quality of the glyphs in the
font Qt choses for you might then not be what you expect.
It’s best to explicitly select the fonts you want for the
eems like there’ll be an entry in the registry for your application, such as
HKLM\Software\Microsoft\Windows
NT\CurrentVersion\AppCompatFlags\Layers\your_application.exe
or
HKCU\Software\Microsoft\Windows
NT\CurrentVersion\AppCompatFlags\Layers\your_application.exe
that you can query.
Cheer
g about it… that’s a bit much.
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Appreciated.
For commercial license holders, contacting our support team is the right
approach to get issues impacting your product flagged.
Cheers,
Volker
> On 3 Sep 2021, at 16:54, Crocker, William wrote:
>
> I gave you money.
> That is my contribution.
>
>>
>
IComponent in proper
> places...
>
> I think this is a must to fix bug for upcoming Qt 6.2 :)
We’re all looking forward to your contribution!
https://wiki.qt.io/Qt_Contribution_Guidelines
Cheers,
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Hi Alexander,
I recommend the following blog post from Lars about some of the significant
changes we made to Qt Multimedia for Qt 6:
https://www.qt.io/blog/qt-multimedia-in-qt-6
Cheers,
Volker
> On 25 Aug 2021, at 15:02, Alexander Carôt wrote:
>
> Hi Juha and Jérome and all,
&g
f traffic on the IRC/Matrix channels.
These emails, and the “QThreadPool” discussion over the last days, indicate at
any rate that no traffic is disappearing due to system failures.
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ompany.
If that’s functionality you care about, then perhaps it’s an opportunity to
pick it up and see what it takes to port it over.
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>
>>> On Fri, Jun 11, 2021 at 10:05 AM Volker Hilsheimer
>>> wrote:
>>> > On 11 Jun 2021, at 13:52, Turtle Creek Software
>>> > wrote:
>>> >
>>> > Here's more info on the weird QTableWidget problem we're seeing.
, and the Alpha is around the corner as well. Early feedback to
those (and several other changes and fixes to Qt Widgets from the last couple
of weeks [1]) would be most welcome.
Cheers,
Volker
[1]
https://codereview.qt-project.org/q/is:merged+branch:dev+path:%255Esrc/widgets/.*+after:2021-05-31
{
QApplication app(argc, argv);
QTableWidget table(10, 10);
table.setCellWidget(5, 5, new CellWidget);
table.show();
return app.exec();
}
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ignores them to let them propagate through
the hierarchy).
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away with a minimal change for ExtendedSelection.
There’s no intention to bring those changes to Qt 5.
Volker
> On 28 May 2021, at 19:01, Elvis Stansvik wrote:
>
> Yea man, just change it. No one remembers a coward! :)
>
> Den fre 28 maj 2021 kl 17:07 skrev David M. Cotter :
,
Volker
> On 28 May 2021, at 16:00, Volker Hilsheimer wrote:
>
> This seems unrelated, since the JIRA ticket predates both 5.11 and 5.15, so
> while it does sound like a regression that you’re welcome to report, it won’t
> help me with deciding about this particular issue.
>
>
This seems unrelated, since the JIRA ticket predates both 5.11 and 5.15, so
while it does sound like a regression that you’re welcome to report, it won’t
help me with deciding about this particular issue.
Cheers,
Volker
> On 28 May 2021, at 15:30, Olivier B.
> wrote:
>
> Here,
Cross-posting from the development mailing list in case any of you have a
strong opinion about this.
Volker
> On 28 May 2021, at 13:10, Volker Hilsheimer wrote:
>
> Hey Widget fans,
>
> I need your opinions on https://bugreports.qt.io/browse/QTBUG-59888
>
> The
> }
> ```
>
> Cheers
> --
> Nicholas Yue
As the name suggests, QOpenGLWindow is a QWindow, and QWindow’s are designed to
be top level windows.
To embed an OpenGL rendering surface into a widget-based UI, you should be
looking at QOpenGLWidget instead:
https://doc.qt.io/qt-6/qopenglwidget.html
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it.
Cheers,
Volker
> On 30 Apr 2021, at 17:20, Jason H wrote:
>
> Not to Jeffery specifically,
>
> I have mixed feelings about the whole situation. I think Roland is right, or
> at least has a valid point most of the time, even if it is technical or
> limited to a specific
We currently have no specific plans to make QWidget render through RHI, and
neither the video nor my earlier emails suggest that this is on the roadmap. It
generally makes very little sense to draw with a pen into a freshly wiped out
Vulkan surface 60 times per second.
Cheers,
Volker
lot of code out there, and still not given us the UI
components we would have needed.
I’m sure there are opportunities to share more code between widgets and quick
world esp on the UI framework classes, and with Qt 6 we have taken some steps
into that direction. But whether the benefits ou
of* Qt, which patching of QJSEngine would qualify as, is best
discussed at
https://lists.qt-project.org/listinfo/development
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> Em 15/04/2021 11:57, Volker Hilsheimer escreveu:
>>> On 15 Apr 2021, at 12:25, Rui Oliveira wrote:
>>>
>>> Hey,
>>> As per the title implies, I would like some comments on the GUI offerings
>>> Qt currently has.
>>>
>>> I'll
rious operating systems as well. There’ll probably always be
applications for which the widget concepts are a perfect fit.
For an increasing amount of applications and environments however, Qt Quick
provides the better architecture, and we see a growing number of Qt Quick based
desktop appl
existing paint engines, and not use QRhi.
So the best option for you is to not use the QOpenGLWidget viewport on iOS,
based on your experience that it’s slower than the default software rasteriser.
Regards,
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ars ago to support Windows XP menu animations
in Qt is probably not a shiny example of robustness.
But most of it is pretty good, even some of mine, and it makes me proud to have
been able to contribute to Qt and to work with the incredibly talented people
in the Qt community for most of my professio
mpany can
provide as a commercial service that fits their needs.
Perhaps that happens frequently already. That would explain the recent
development of the Qt Company stock price...
Volker
PS: Roland, I was looking at your
https://www.theminimumyouneedtoknow.com/agile_book.html page, and judging
> On 24 Mar 2021, at 15:06, eric.fedosej...@gmail.com wrote:
>
> From: Interest On Behalf Of Volker
> Hilsheimer
> Sent: Wednesday, March 24, 2021 4:06 AM
>
>> For feedback regarding the licensing changes made that context (including
>> 5.15), I’d suggest you g
ng useless
> QML needing to be ripped out.
Don’t use it.
I don’t consider this substance. Go back to the original thread if you want to
spread FUD, Roland.
I started a new one were we can focus on substantial and constructive
conversation about what needs to be brought back to make Qt 6 better and
porting easier.
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> On 24 Mar 2021, at 08:43, Max Paperno wrote:
> On 3/23/2021 11:44 AM, Volker Hilsheimer wrote:
> ...
>> I personally wonder why people that never want to change what they built
>> last year want to develop software development. Isn’t that what makes
>> building stu
lt last
year want to develop software development. Isn’t that what makes building stuff
out of bits and ideas so much more interesting than building stuff out of
sticks and stones?
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ood feedback. Either
way, it is perhaps not the most representative porting experience.
Roland, if you have specific 1st hand porting experience to share and
constructive contributions to make about which APIs we should bring back
because, then please do so.
Cheers,
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> On 20 Mar 2021, at 01:14, Thorsten Glaser wrote:
>
> On Fri, 19 Mar 2021, Volker Hilsheimer wrote:
>
>> Do you have any particular classes in mind?
>
> There’s the deprecation of QApplication::desktop()->screen()->winId()
> which is necessary for comman
> On 19 Mar 2021, at 14:34, Roland Hughes wrote:
>
>
> On 3/19/21 7:51 AM, Volker Hilsheimer wrote:
>>> On 19 Mar 2021, at 12:12, Roland Hughes wrote:
>>>
>>>
>>>
>>> On 3/19/21 6:00 AM, Giuseppe D'Angelo wrote:
>>>> I
t the porting experiences I’ve
read so far suggest that by and large it has been a rather decent experience.
Do you have any particular classes in mind?
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Drag events are related to Drag’n’Drop, and you rarely drag from or drop onto a
scroll bar.
The Qt documentation is quite clear about the role of those event types, I
think:
https://doc.qt.io/qt-5/qevent.html#Type-enum
https://doc.qt.io/qt-5/qdropevent.html
Volker
> On 24 Nov 2020, at
structures
(which the code does anyway, in verifying that there is a DISPLAY environment
variable), or pass a pointer to (or index of) a QScreen if you want to place a
UI on a specific display.
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implementation on Windows in Qt 5.15,
such as
* 81408c0e76616b127c46779dc14bbcf084a3d87b
* e0d80167c18b5a71acf4dac59f3e6f37292fa397
to better the integration with foreign event loops, but you should updating to
5.15.1 which has e.g
fb6f62354ff8d29152db7cfa479b2689a25ae7a9 which fixes
https://bugr
nclude the inl file in the hpp file? That way you
still have separation of declaration and definition on a file-level, but don’t
expose users of your C++ headers (including moc) to your way of organizing
things.
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You have to show widgets that you add to parents that are already visible.
Cheers,
Volker
From: Interest on behalf of Carlos Agon
Sent: Saturday, June 20, 2020 10:28:46 AM
To: interest@qt-project.org
Subject: [Interest] adding widget into a mousePressEvent
very much appreciated.
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t-pcre -plugin-sql-sqlite -plugin-sql-odbc -make-tool
jom > ConfigureOutput_msvc2019.txt 2>&1
jom > BuildOutput_msvc2019.txt 2>&1
Python, Perl, and Ruby are installed and in the PATH.
Is this a valid method to build Qt or should I try a different recipe?
As I always stru
somewhat related although they should have been resolved in my
Qt 13.0 beta version or do not apply anymore.
Are those bugs still present? And if they are, is there a workaround?
Cheers, Volker
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Thanks Allan and Alexandru!
The build is running ...
Cheers, Volker
Am 25.04.2019 um 10:59 schrieb Allan Sandfeld Jensen:
On Donnerstag, 25. April 2019 10:28:42 CEST Volker Enderlein wrote:
Hi,
when building Qt and WebEngine separately (i.e. not doing an embeddd
build), do I need
the wrong keywords.
Cheers, Volker
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Thanks Jérôme for pushing me into the right direction.
Now I see where I went wrong.
The buffers data assignment must be done as follows:
data: { var vertexArray = new Float32Array([ -1., 1., 0., 1., 1., 0.,
-1., -1., 0., 1., -1., 0. ]); return vertexArray; }
Cheers, Volker
Am 10.04.2019
{
id: root
property Buffer vertices: Buffer { type: Buffer.VertexBuffer; data:
new Float32Array([ -1., 1., 0., 1., 1., 0., -1., -1., 0., 1., -1., 0. ]) }
MyMesh {
id: mesh
vertices: root.vertices
}
}
How is the correct way?
Cheers, Volker
a simple example that shows the mentioned behaviour.
Cheers, Volker
Am 28.03.2019 um 14:35 schrieb Mike Krus:
Hi Volker
if I remember correctly, ray casting will apply to all enabled surfaces. It’ll
ignore off screen surfaces and surfaces where the cursor is outside the render
area. I think
there who can shed some light on it? Thanks in advance.
Cheers, Volker
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Thanks Mike and Sean for your valuable input. It helps me to shape my
solution.
Cheers, Volker
Am 06.02.2019 um 09:56 schrieb Mike Krus:
Hi
you should be able to control that using a QLineWidth render state. And yes,
that would require custom material or frame graph.
The raycasting-qml
Hi all,
is it possible to set the LineWidth of a GeometryRenderer of primitive
tpye Lines or do I need a Custom Material/Effect/FrameGraph node to
achieve this?
Thanks for enlightening.
Cheers, Volker
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Hi all,
why does the viewAll and viewEntity commands of QCamera only work in
PerspectiveProjection type?
Thanks for enlightening.
Cheers, Volker
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ustom camera controllers?
Thanks in advance,
Cheers, Volker
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the drawing order by myself.
Are there any plans for Qt3D to support the handling of transparent
objects out of the box?
Thanks in advance, Volker
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geom";
shaderProgram->setFragmentShaderCode(shaderProgram->loadSource(QUrl(QStringLiteral("qrc:/shaders/robustwireframe.frag";
renderPass->setShaderProgram(shaderProgram);
}
technique->addRenderPass(renderPass);
}
addTe
that handles all the
gory details in a custom material and provides an option to always face
the camera.
Cheers Volker
Am 19.12.2018 um 08:37 schrieb david crémoux:
You're welcome.
I will most probably have to implement the same feature in a near
future for the project I'm currently working
Hi David,
thanks for the answer. I wasn't thinking of that, as my knowledge about
framegraphs is very limited. But this helps me further.
Cheers Volker
Am 18.12.2018 um 14:53 schrieb david crémoux:
Hello Volker,
I guess you can achieve it with regular QText2DEntity, with a specific
frame
with the missing access.
Cheers Volker
Am 18.12.2018 um 13:38 schrieb Oleg Evseev:
Hi Volker,
Yes, you have to add custom material because
Qt3DRender::QShaderProgram s of default materials are inside private
class, so you can't change shaders' code source.
Take a look at https://codereview.qt-project.org
be embedded in another class that applies the camera
information to it, but is there an easier solution to this problem?
Cheers Volker
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osition and not included in bounding volume calculation?
Cheers, Volker
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Am 27/08/2018 um 11:31 schrieb Sean Harmer:
On 27/08/2018 07:31, Volker Enderlein wrote:
Hi,
does the Qt3D GeometryRenderer class support TriangleStrip primitives
with restartIndexValue separated Strips?
Yes. Set the primitiveType property to LineStrip and you can specify
the restart
Hi,
does the Qt3D GeometryRenderer class support TriangleStrip primitives
with restartIndexValue separated Strips?
Cheers Volker
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Am 06/02/2018 um 08:35 schrieb Volker Enderlein:
Hi,
I'm currently playing with the shadowmap example of Qt3D. When having
a PlaneMesh at (0, -5, 0), a CuboidMesh (width=height=depth=1) above
the PlaneMesh at (0, -4, 0), and a directional light source at (0, 30,
0) no shadow is visible
the
plane I would expect a shadow to be cast on the PlaneMesh. Adding a
small change in position of the light say (0.001, 30, 0) procduces a
shadow on the PlaneMesh.
Do I miss something important?
Cheers Volker
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Thanks Guiseppe,
I try to come up with a solution based on your and Sean's answer.
Cheers Volker
Am 30/08/2017 um 11:29 schrieb Giuseppe D'Angelo:
Il 30/08/2017 10:07, Volker Enderlein ha scritto:
Entity {
id: root
property Transform frame: Transform {}
property Material
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