Reporting inappropriate content on the forums
Thank you for the report. I have banned the user, which got rid of the spam posting. Not a loss, as this user did not post any other content on the site. Just deleting this one posting was not...
View ArticleHow to create the plugin of MYSQL for Qt
[quote author="sujit25" date="1423742752"]Hello EveryOne, I am a beginner to qt and unable to build a mysql driver. I'am stuck at step4 of above given steps. reimp -d libmysql.dll ,gives me error...
View Article[[qanda:topic_unsolved]] QImage::Format_Invalid from MedaiPlayer QVideoFrames
@SGaist Thanks. It would appear that the QImage is valid when QVideoFrame.handleType() is QAbstractVideoBuffer::NoHandle from the camera, which makes sense according to the Qt documentation. When...
View Article[[qanda:topic_unsolved]] dyld: Library not loaded:...
@SGaist Now, I have reinstalled Qt5 version 5.12.9. Still getting the same Issue. How can I solve this Issue?
View Article[[qanda:topic_unsolved]] How can I do something when the user clicks on a...
I'm writing an IRC client, and I have message/channel windows update with lines like <from_nick> message and I want to be able to bring up a context menu when the user right clicks on a nick...
View Article[[qanda:topic_unsolved]] Qt 6.0 adaptation: no member named...
@bogong said in Qt 6.0 adaptation: no member named 'midRef' in 'QString'. How to solve?: How to solve it in Qt 6.0? Use QStringView ctor.
View Article[[qanda:topic_unsolved]] How to know QTextEdit'height, when widget is...
@JonB Ok. But maybe there is a way to calculate this before "show()"?
View Article[[qanda:topic_unsolved]] Linking to a MSVC DLL -- Undefined references?
Open-Source MinGW 5.12 Console application Need to link to existing MSVC DLL Have corresponding .h and .lib -- nothing else, in both 32 and 64 bit In main.cpp, I have call to a FDX_GetDevicePortList ()...
View Article[[qanda:topic_unsolved]] Receive event when pc wake up
Hi all, I am new with Qt. I know that this topic is old and probably it's solved but I don't find the solution. I am trying to implement a code that runs when the pc returns from suspend state. I've...
View Article[[qanda:topic_solved]] Showing and hiding multiple dialogs
@Akllu Something like this, yes
View Article[[qanda:topic_unsolved]] Using socketcan on QT
@Garza You can clone the modules you need as described in the link I gave you: https://wiki.qt.io/Building_Qt_5_from_Git
View Article[[qanda:topic_unsolved]] QMatrix4x4: Why methods like `translate`,...
@Igor-Baidiuk said in QMatrix4x4: Why methods like `translate`, `rotate` etc. perform left-to-right multiplication?: Although, methods of QMatrix4x4 like translate,...
View Article[[qanda:topic_unsolved]] How to make Password Echo On Edit not clear out the...
@TomQue as answered in the thread https://forum.qt.io/topic/125634/accessing-d-pointer-d_func-from-qlineedit-class/9 My simplest solution for the modified behavior (not to clear the text content) of...
View Article[[qanda:topic_unsolved]] How can i use QPainter to draw triangles
@BlackRagnor said in How can i use QPainter to draw triangles: different hypotenuse, opposite, and hypotenuse values. Does this different hypotenuse, opposite values are accessible in paintEvent ?
View Article[[qanda:topic_unsolved]] Cannot read descriptor of the characteristic - BLE.
I still can't find a workaround for this. I don't get the "ServiceDiscovered" state when discovering details of the vendor-specific service. When I call discoverDetails() on the generic service like...
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[[qanda:topic_unsolved]] Some questions and bugs ? from newbe
Hi, I've searched a lot of available tutorials, forum posts etc. but I still can find an answer for some questions: In Qt creator in design mode I see widgets this way: but after program run my...
View Article[[qanda:topic_unsolved]] QTCP threading ... again
@QMICS said in QTCP threading ... again: but why can I read the socket in my case, but writing is throwing this error? Because only writing modifies the socket directly, reading comes from a buffer so...
View Article[[qanda:topic_unsolved]] Can "item" be added on top of the...
To insert item at the top of the list use insertItem(int row, const QString &label) with row set to 0. addItem(label) is basically a shorthand for insertItem(count(), label). As for sorting - if...
View Article[[qanda:topic_unsolved]] Text document with special inline characters
Hello, I am trying to implement a paginated document editor (similar to MS Word or LibreOffice) but which allows me to insert certain inline "special" characters. Nothing fancy so far. I am using the...
View Article[[qanda:topic_unsolved]] QTableView/QAbstractItemModel: Spanned rows...
spanning only works correct when the columns are not moved. Once they're moved I don't see a way how a span should work at all.
View Article[[qanda:topic_unsolved]] How do you create an Object of QStyleHints
I'm glad I could help. You can mark the topic as solved from the "topic tools" menu on the right side of your post. See Hitchhiker's Visual Guide to the Qt Forum for help.
View Article[[qanda:topic_unsolved]] Signals/Slots timing issue in an handshake...
@Andrew23 said in Signals/Slots timing issue in an handshake communication protocol: is this a possible cause of my behaviour above? Yes, as long as you loop is running you're blocking the Qt event loop.
View Article[[qanda:topic_unsolved]] Official guide for compiling static QT with SSL...
@Giovanni-R Did you also run configure again?
View Article[[qanda:topic_unsolved]] Problem with second window and actions/signals
@Cocor said in Problem with second window and actions/signals: but when validate takes place it crashes Then please use debugger to see where exactly it crashes and why
View Article[[qanda:topic_unsolved]] Sidebar in QwtLegend
It works but now it cuts a part of the legend text
View Article[[qanda:topic_unsolved]] QNetworkConfigurationManager deprecated
@Robotechnic Hi I'm in the same problem. Did you solve this?
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