General and Desktop

@Christian-Ehrlicher got it, thank you!

Hi @SGaist . Thanks for the eye opener. Such a silly mistake. I called readAll() twice. 1st for printing and then again for storing into variable. So the second fetch is always empty.

@mvsri Just to be sure every dependency is correctly set, can you try to check C:/Qt/Qt5.12.3/5.12.3/mingw73_64/plugins/sqldrivers/qsqlmysqld.dll with Dependency Walker ?

@mrjj Thanks :)

@Christian-Ehrlicher said in Error building sample application Qt 5.14, Visual stuido 2019: here long enough to know what we need. Sorry for that. Here are the details of the implementation: I am using Qt 5.14 and using the msvc-2017 compiler. Below are the snaps of the settings: [image: 75aa6a0b-ab9e-43b1-9e1b-14812f43501d.png] in case of anything else required. [image: 4cda0cbf-0204-460a-8658-4ecf9002e60a.png] General settings: of c/C++ [image: 070bd125-1b53-4fe7-b9e7-a17fb3673ccd.png]

Hi jsulm, I could finally solve the issue. The problem was in the line ui->tableWidget->setGeometry(-2,40,804,15424); Generally for ui->tableWidget->setGeometry(x,y,width,hight), hight should be equal to number of rows in one page * default vertical section size. Thank You for the hints SGaist, jsulm

@fem_dev I'm sorry, I think we struggled to understand what exactly you were asking for here! As @mrjj has said, if you wish to choose between a number of widgets to place in a single area such that at any time only one is present, QStackedWidget is the way to go.

@samdol You need Qt built with same compiler - do not mix binaries built with different C++ compilers.

@clostridium_difficile said in Why graphics scene occupy whole graphics view?: how to make scene to get events when mouse pointer is over scene's rendering rectangle? Override https://doc.qt.io/qt-5/qgraphicsscene.html#mouseMoveEvent

@roipoussiere said in qt.qpa.plugin: Could not load the Qt platform plugin "wayland-egl" in "" even though it was found.: qt.qpa.plugin: Could not load the Qt platform plugin "wayland-egl" in "" even though it was found. I finally fixed this by deploying the libs needed by wayland-egl plugin: the lib "libQt5WaylandClient.so.5" should be included in the deployed package. which used by the plugin. just FYI.

@KroMignon said in QObject::connect error: function is used but not defined in this translation unit...: as far as I can see, the connect is not forced as Qt::DirectConnection Qt::DirectConnection is used by default when connecting two objects that live in the same thread: https://doc.qt.io/qt-5/qt.html#ConnectionType-enum my suggestion would be to change the function signature to int and cast the int to your enum inside the function void GraphicsScene::ToolSelected(int activeTool) { ActiveTool at = ActiveTool(activeTool); ... } I would not do this, for many reasons: It breaks type safety as @kshegunov said. In other words, it defeats the whole purpose of enum class which is to improve type safety in enums. It is good practice to avoid C-style casts whenever possible. Let's take extra care to avoid introducing bad practices to new C++ programmers, especially when more robust alternatives exist. There is a solution that does not require breaking type safety, does not require casting, and ultimately cleans up the code: Just remove the namespace as @kshegunov said. It is a good idea to remove the namespace anyway because anonymous namespaces should usually not be used in headers.

@ivanicy Yes, after rethinking, it makes sense. :-) When you fade-Out your GroupBox and hide it afterwards, the GroupBox is still hidden, when you start the animation. After animation time, you set hidden (false) and the GroupBox just pops up. (because your fade-In animation process is already done)

You should anyway put these each into their own widget. Just to ensure that the splitter is used properly.

Hi When using TextEdit as log viewer , its often a good idea to use setUndoRedoEnabled(false); so it doesn't keep a copy around to be able to undo text changes. Oh. sorry. already mentioned.

Great ! Glad you found out and thanks for sharing !

Hi and welcome to devnet, You should start by using a more current version of Qt as well as development system since it seems you are starting a new project. And that for several reasons: Qt 5.8 is outdated and it's not even an LTS release. Support for CAN through the QtSerialBus module The Qt safe renderer Modern tooling Etc.

for the header fix, I added in the header and that took care of it #ifdef __cplusplus #define FWCONSOLEAPI_DECLSPEC extern "C" #else #define FWCONSOLEAPI_DECLSPEC extern #endif//__cplusplus thank you again, you guys are awesome

@Christian-Ehrlicher Thanks! I will try it, but surely I will be using the command line.

@viniltc Hi Well you did good job of following @LeLev advice so it was just a very minor detail but its good to note that when you change member values, you must call update() for it to repaint as it won't detect you change them.

Hi, You need to uncomment the line "//focus: true;". Focus is required to get keyboards events in your Scene3D. Regards,