Qt winid crash

Author: irkj

August undefined, 2024

WebOfficial mirror of the qt-project.org qt/ git repositories - Qt. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. WebDec 3, 2010 · (In reply to comment #12) > (In reply to comment #11) > > And what's wrong with that? we can't cast a void pointer to a integer, and on > > Windows winId() returns a void pointer. > > Ok, I was just bit supprised that it worked with 2.7 python + pyside + Windows > Vista, and when changed to python 2.6 + wine then there was no handle for doing > …

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WebIf you repeat the steps for many times, the test program will crash with a broken QBackingStore and an invalid window handle. This only happens in Qt5. I also tested Qt 4.8 and it does not have the bug. Please fix the regression bug. Forgetting to update the internal winId can crash the program so this is very critical. Thanks! WebOn Qt5 beta 1, I get the QWindow from QGuiApplication::focusWindow(), and the HWND by window->winID(); Both of method will cause crash, will run on Application. Attachments fort wainwright army housing office

Get winId from activeWindow/focusWindow will cause …

WebJun 1, 2016 · Qt products Platforms Re: QLabel->setText () executed in a method causes program crash In Caisse3::Caisse3 (), you declare a local variable named lcd4, thus shadowing the lcd4 member of Caisse3. That member remains uninitialized (and therefore contains garbage), which causes a crash when you dereference it in Caisse3::modifItem (). WebJul 31, 2024 · while ( 1 ) { QPixmap pixmap = qApp ->screens (). at ( 0) ->grabWindow ( QDesktopWidget (). winId ()); label ->setPixmap (pixmap. scaled (label ->width (), label ->height (), Qt::KeepAspectRatio)); } When I close my App, my App is deleted, but grabWindow function is still working, but there is no qApp when pixmap is ready. QWidget winId crashing if called from constructor. I'm writing a program, where i call QWidget::winId () in the constructor: debug_window::debug_window (QWidget *parent) : QDialog (parent), ui (new Ui::debug_window), hk (NULL) { this->ui->setupUi (this); this->hk = new TestClass (this, this->winId ()) } fort wainwright army lodging

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WebJul 1, 2013 · I'm pretty new on opencascade and I'm having troubles on setting a OCC view into a Qt window. I Tried the code suggested according to release notes of version … WebJul 25, 2011 · I need to get correct winId from widget in c++ of course. I can draw VLC output on top of the graphicsscene, because that is the only valid winId. But I need winId … dionea yacht ownerWebJul 20, 2015 · It crashes because QApplication::activeWindow () returns null. It will do so if no application window has the focus (this is verbatim from the documentation). No … fort wainwright alaska zip

"WebOct 14, 2015 · Introduction. PySide is the Python Qt bindings project, providing access the complete Qt 4.8 framework as well as to generator tools for rapidly generating bindings for any C++ libraries. The PySide project is developed in the open, with all facilities you’d expect from any modern OSS project such as all code in a git repository, an open ... " - Qt winid crash

Qt winid crash

Get winId from activeWindow/focusWindow will cause …

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WebMar 18, 2024 · I thought it was a problem due to the timing at which the shadowing process is performed. I also thought that strange behavior by WinId would be a clue to the solution of the timing problem. However, probably not a problem with the therecipe/qt library, So I will close this issue soon. Thank you very much for your advice. WebWidgets respond to events that are typically caused by user actions. Qt delivers events to widgets by calling specific event handler functions with instances of QEvent subclasses …

WebApr 22, 2024 · Then, I wait for QEvent::WinIdChange in the QWidget::event () function; calling the function that required the native window handle when this event occurs. There's an attribute called Qt::WA_DontCreateNativeAncestors, but it didn't seem to do what it described. 3 S Shadow Won 17 Aug 2024, 22:37 WebExample #2. 0. Show file. def impl (self): try: # Capture the window before we change anything beforeImg = QPixmap.grabWindow ( self.w.winId () ).toImage () # Change the visibility of the *selected* layer self.o2.visible = False self.w.repaint () # Make sure the GUI is caught up on paint events QApplication.processEvents () # We must sleep for ...

WebUse QWidget::winId () instead. On macOS, there is a difference between a window and view; normally expressed as widgets in Qt. Qt makes assumptions about its parent-child hierarchy that make it complex to put an arbitrary Qt widget into a hierarchy of "normal" views from Apple frameworks. WebMar 6, 2011 · Qt products Platforms Re: winId () crashed It is very unlikely that the winId () method is the source of the crash. It is much more likely that your code is doing …

WebThe crash happens when calling win->handle () >setFrameStrutEventsEnabled (true);, because win>handle () returns NULL. It appears that win>create () can sometimes fail to …

WebYou need libvlc headers and Qt headers .Take those 3 files, put them in a folder. Run qmake -project Edit the .pro file and add LIBS += -L*path to vlc lib* #if you are at windows os LIBS += -lvlc Run qmake and then make or mingw32-make under a Windows OS fort wainwright army hospitalWebApr 4, 2013 · QTBUG-27263 Crash caused by dnd and winId () Export Details Type: Bug Status: Closed Priority: Not Evaluated Resolution: Done Affects Version/s: 4.8.3 Fix … dione coffee tableWebMar 25, 2014 · Call to QWidget::winId () causing accessibility to be broken in QT app. We have a QT application that uses the Accessibility layer for automated testing. After … dion dublin clubs played forWebMay 27, 2024 · Thanks, that seemed to work at first but eventually I run into various crashes in the docking lib. It may only happen once you have more than 1 dock with widgets using (WA_DontCreateNativeAncestors WA_NativeWindow).. I'm using Qt::WA_NativeWindow as I'm rendering to it with DirectX/Vk which seems to require it. dion edward bishopWebNov 27, 2024 · I found a solution for the Windows system menu, using the Win32 API and a native event filter. The problem is that, when I install a native event filter, setting the Framless flag crashes the application (stack overflow). I made a minimal example. Am I doing something wrong? Thank you for any hint. Here is the code: gui.h C++ fort wainwright army unitsWebThere are two Qt APIs that can be used to render content into a window, QBackingStore for rendering with a QPainter and flushing the contents to a window with type QSurface::RasterSurface, and QOpenGLContext for rendering with OpenGL to a window with type QSurface::OpenGLSurface. fort wainwright army base in fairbanksWebJul 25, 2014 · WId winid = this->winId (); QWindow *container = QWindow::fromWinId (winid); QWidget *program_start = createWindowContainer (container); @ [/quote]You embedded your Widget object. You need to get the WId (HWND) of your MPlayer window after you launch the process. fort wainwright asp