Re: [Interest] Advice on random program finish crash

2015-01-07 Thread alexander golks
Am Wed, 7 Jan 2015 09:32:21 + schrieb Nuno Santos nunosan...@imaginando.pt: Hi, I’m having a problem with a random crash that not always happens. I would like to have your advice on how to find the origin of it. This crash always happens on program exit and the stack trace is the

Re: [Interest] Qt Bugtracker update and new URL

2015-01-07 Thread Blasche Alexander
Just a quick reminder that this is going to happen today. -- Alex From: development-bounces+alexander.blasche=theqtcompany@qt-project.org development-bounces+alexander.blasche=theqtcompany@qt-project.org on behalf of Blasche Alexander

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Igor Mironchik
Hi, I have one question: is QApplication static too? On Wed, 07 Jan 2015 12:32:21 +0300, Nuno Santos nunosan...@imaginando.pt wrote: Hi, I’m having a problem with a random crash that not always happens. I would like to have your advice on how to find the origin of it. This crash always

Re: [Interest] One question about Qt and one not...

2015-01-07 Thread Igor Mironchik
Hi. Forget my second question. I've found the solution. It's forgotten --sysroot=... But my first question is still actual. And even can I mix Qt libraries built with android-5 platform with another library built, say, with android-19 platform in one Qt-based Android application? On Tue,

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Nuno Santos
Yes, int main(int argc, char **argv) { QGuiApplication app(argc, argv); ... return app.exec(); } On 07 Jan 2015, at 09:54, Igor Mironchik igor.mironc...@gmail.com wrote: Hi, I have one question: is QApplication static too? On Wed, 07 Jan 2015 12:32:21 +0300, Nuno Santos

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Nuno Santos
Hi Igor, Ops… You are right, it is not static. I have tried your suggestion but now it crashes everytime I close the app and I can’t even get a stack trace like before. If I run it on debug, it points me to assembler code. Not anything I can really point to. Regards, Nuno On 07 Jan 2015,

[Interest] Advice on random program finish crash

2015-01-07 Thread Nuno Santos
Hi, I’m having a problem with a random crash that not always happens. I would like to have your advice on how to find the origin of it. This crash always happens on program exit and the stack trace is the following: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0

Re: [Interest] Bluetooth Low Energy on Windows: Options and feasabilty of implementing own backend

2015-01-07 Thread Blasche Alexander
Hi Axel, Your assumption about 5.5 is correct. Android gets LE support and ios/OSX get classic and LE support. Windows is currently work in progress. There is a wip/win branch on codereview. The windows port is mostly community driven at this stage which makes prediction somewhat hard.

Re: [Interest] Stack view and lazy loading of big Qml files

2015-01-07 Thread Nuno Santos
Hey Steve, That seems a nice suggestion. Questions: - How do you disable or change the animations between index change? - How do you disable interaction with the list itself, because I would need to interact with the content of the page. I will give it a try in the meanwhile. Thanks!

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Nuno Santos
Hi, I have made the following modification and it seems not crashing anymore: static Manager* gManager = 0; Manager* Manager::sharedManager() { QMutexLocker lock(managerMutex); if (!gManager) { gManager = new Manager(); } return

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Michael Sué
Hi, Our application main program looks (essentially) like the following: int main(int argc, char *argv[]) { MyApplication app(argc, argv); MyMainWindow mainWin(); return app.exec(); } We create the one and only network access manager object in the constructor of

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Michael Sué
Hi, With this approach, the object will no longer be deleted at program exit, right? So there can be no crash on deletion anymore. - Michael. From: interest-bounces+sue=sf.mpg...@qt-project.org [mailto:interest-bounces+sue=sf.mpg...@qt-project.org] On Behalf Of Nuno Santos Sent: Wednesday,

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread alexander golks
Am Wed, 7 Jan 2015 12:36:52 + schrieb Nuno Santos nunosan...@imaginando.pt: Hi, I’m not really sure. Question: - On program termination, isn’t all the memory allocated by it deleted? when allocated on heap, no. the memory is just released, not delete()'ed, that is, no dtor is

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Nuno Santos
Hi, I’m not really sure. Question: - On program termination, isn’t all the memory allocated by it deleted? With this approach at least the QNetworkAccessManager which is being allocated by the manager is supposedly being deleted: Manager::~Manager() {

Re: [Interest] Best way to get a QWidget from a device context (HDC)

2015-01-07 Thread Andreas Pakulat
Hi Jason, On Wed, Jan 7, 2015 at 9:16 PM, Jason Dolan ja...@pcc.com wrote: I’m stuck with some 3rd party code where the input is a device context (HDC), and I need to get the widget it’s associated with. My current implementation (completely untested as of yet) is: QWidget *w =

Re: [Interest] Best way to get a QWidget from a device context (HDC)

2015-01-07 Thread Thiago Macieira
On Wednesday 07 January 2015 15:16:56 Jason Dolan wrote: I’m stuck with some 3rd party code where the input is a device context (HDC), and I need to get the widget it’s associated with. My current implementation (completely untested as of yet) is: QWidget *w =

[Interest] Best way to get a QWidget from a device context (HDC)

2015-01-07 Thread Jason Dolan
I’m stuck with some 3rd party code where the input is a device context (HDC), and I need to get the widget it’s associated with. My current implementation (completely untested as of yet) is: QWidget *w = QWidget::find((WId)WindowFromDC(hDC)); #1: I’m not even sure this will work (although I

Re: [Interest] Stack view and lazy loading of big Qml files

2015-01-07 Thread Nuno Santos
Steve, In the meanwhile I found the answer to the second question but not for the first. I forgot the existence of VisualItemModel which is precisely what I needed. Memory is in fact a problem but my users won’t tolerate a big time between view switch. StackView also allows me to define the

Re: [Interest] Advice on random program finish crash

2015-01-07 Thread Bo Thorsen
Den 07-01-2015 kl. 11:30 skrev Nuno Santos: Hi Igor, Ops… You are right, it is not static. I have tried your suggestion but now it crashes everytime I close the app and I can’t even get a stack trace like before. If I run it on debug, it points me to assembler code. Not anything I can