Re: [Interest] Animating viewable rect of QGraphicsView

Den mån 25 feb. 2019 kl 19:54 skrev Patrick Stinson : > > How can I animate the viewable scene rect of a QGraphicsView using screen > coordinates? This means animating both center pos and scale. This is similar > to Google Earth where the map scrolls and zooms smoothly from one point to > anothe

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

You can also give CBor implementation a look,maybe it could fit your bill too: https://doc.qt.io/qt-5/qcbormap.html From: Sylvain Pointeau Sent: March 1, 2019 4:46 PM To: Jérôme Godbout Cc: Qt Project Subject: Re: [Interest] using a custom class as parameter of signal/slot, used in QML On F

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

On Fri, Mar 1, 2019 at 10:29 PM Jérôme Godbout wrote: > Why is the struct deleted one the signal is finished? You create a > structure only for the signal? it’s not an object or data that will outlive > that call in the end? If so, you really need to make a copiable > representation of the struct

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Why is the struct deleted one the signal is finished? You create a structure only for the signal? it’s not an object or data that will outlive that call in the end? If so, you really need to make a copiable representation of the struct. What kind of data live into your struct? are they all basic

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Hello Jerome, On Fri, Mar 1, 2019 at 5:25 PM Jérôme Godbout wrote: > Since signal are not sync all the time but can be async, the argument need > to be copiable to allow this. So you need to be able to copy the arguments > on the signals. Therefore the QObject is not copiable, they cannot be > p

Re: [Interest] iPhone XS App area

So for Android, if that is modified to: flags: ["ios", "android"].includes(Qt.platform.os) ? Qt.Window | Qt.MaximizeUsingFullscreenGeometryHint : Qt.Window And the navigation bar is still there and the app is not behind the bar,  that would be a bug? The docs don't mention Navigation bar: '''

Re: [Interest] iPhone XS App area

It does indeed work!   Thanks!   Sent: Friday, March 01, 2019 at 12:52 PM From: "Nuno Santos" To: ekke Cc: interest@qt-project.org Subject: Re: [Interest] iPhone XS App area It works with Qt 5.12   On 1 Mar 2019, at 17:25, ekke wrote:   Am 01.03.19 um 18:06 schrie

Re: [Interest] iPhone XS App area

It works with Qt 5.12 > On 1 Mar 2019, at 17:25, ekke wrote: > > Am 01.03.19 um 18:06 schrieb Jason H: >> I have an app and the LaunchScreen on the XS/XS Max shows up >> full-full-screen but then the Qt app only goes full-screen, with the phone >> reaining the area for home button and the sta

Re: [Interest] iPhone XS App area

Am 01.03.19 um 18:06 schrieb Jason H: > I have an app and the LaunchScreen on the XS/XS Max shows up full-full-screen > but then the Qt app only goes full-screen, with the phone reaining the area > for home button and the status bar. > > What do I need to do to get Qt to take the full area? My c

[Interest] iPhone XS App area

I have an app and the LaunchScreen on the XS/XS Max shows up full-full-screen but then the Qt app only goes full-screen, with the phone reaining the area for home button and the status bar. What do I need to do to get Qt to take the full area? My code worked for the X _

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Since signal are not sync all the time but can be async, the argument need to be copiable to allow this. So you need to be able to copy the arguments on the signals. Therefore the QObject is not copiable, they cannot be passed as arguments directly, you need a pointer. The ownership and lifetime

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Hello Jerome, On Fri, Mar 1, 2019 at 3:34 PM Jérôme Godbout wrote: > The fact that the QObject is non copiable, is one of the reason it need a > pointer (which can be copied). As for the ownership, you can check with the > qqmlengine: > > https://doc.qt.io/qt-5/qqmlengine.html#objectOwnership >

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Hi Sylvain, It is not so complicated, when passing an object instance to QML (it can only by pointers of QObject based classes), if the instance doesn’t have a parent, the QML Engine take ownership of the object and delete if when it is no more needed. If the instance has a parent, then QML Eng

Re: [Interest] WAS is failing to compile under Ubuntu

On Friday, 1 March 2019 01:52:00 PST Alexander Rössler wrote: > However, for some reason the build fails at: > qsimd_p.h:196:14: fatal error: 'x86intrin.h' file not found > #include > ^ Your compiler is broken. You have Q_PROCESSOR_X86 defined but you don't have . --

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Hi Jason, thank you for the link, I did have a look but they are doing the same, with a comment "// parent-less QObject -> ownership transferred to the JS engine" but what if there was no connection, or consumed by another object, then I guess there will be a memory leak? I don't feel comfortabl

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

I find it easier the other way ;-) whereever it is possible, I'm using QObject* for my data there's a special C++ DataManager class with Q_INVOKABLE methods to create / delete / and this class always is the parent of my QObject* it's cool - there's no by-value copying between C++ and QML and

[Interest] Documentation workshop in Oslo

Some of us at the Qt Company are coming together for a workshop about our documentation, on 11th and 12th March. If you want more information, I've posted a short blog about it today [0]. Also, feel free to shoot me an email or ping me on IRC [1] if you have ideas or suggestions. Paul -- [0] h

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

Check out qtmultimedia/examples/multimedia/video/qmlvideofilter_opencl fo the filter result types. I think that's what you want?   I find it easier to code and work with to just rely on QVariant conversion. QVariantList and QVariantMap are transparently converted to JS Objects.    Sent: Friday,

Re: [Interest] using a custom class as parameter of signal/slot, used in QML

The fact that the QObject is non copiable, is one of the reason it need a pointer (which can be copied). As for the ownership, you can check with the qqmlengine: https://doc.qt.io/qt-5/qqmlengine.html#objectOwnership You can change the ownership too with setOwnership(). I for one exposed the me

Re: [Interest] WAS is failing to compile under Ubuntu

Can confirm that I could build WASM successfully on linux with yesterday's 5.13 qtbase (and same emscripten version than OP), however I encountered this while running : https://bugreports.qt.io/browse/QTBUG-74131?filter=-2 Best, --- Jean-Michaël Celerier http://www.jcelerier.name On Fri, Mar

[Interest] using a custom class as parameter of signal/slot, used in QML

Dear all, I understood how to use a struct / simple class as a parameter of a signal / slot, and it works well by value. However as soon as we have to declare the type for QML, it is not good anymore. It seems that it must be derived from QObject and passed by pointer. Do I understand well that

Re: [Interest] WAS is failing to compile under Ubuntu

Hi, I experienced the same last week. If you choose a current 5.13 branch of qtbase, it should work. Also the latest qt5.git integration contains a build fix for this. Hence, I’d recommend to switch to 5.13 and use latest emscripten SDK. Maurice From: Interest On Behalf Of Alexander Rössler

[Interest] WAS is failing to compile under Ubuntu

Hello, Qt devs, A couple of devs, including me, tried to build and install Qt for WA under a recent Ubuntu. See: https://forum.qt.io/topic/100061/ubuntu-compile-qt-failed We all followed the instructions from the blog post: https://blog.qt.io/blog/2018/11/19/getting-started-qt-webassembly/ Howe