Recent questions tagged Qt

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qt - QTCreator copy files to output directory with INSTALLS

I have two sub directories docroot and config in my Qt project. Files in these directories shall be copied to the ... where the .pro file is." See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - qtcreator - exe does work fine inside qtcreator but doesn't outside

I want to give a friend of mine a release build of a little project. It works perfectly fine when started from ... can be seen in my answer See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - Using QImage with OpenGL

I've very recently picked up Qt and am using it with OpenGL The thing though is that when moving my SDL code ... surface ); } return texture; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - QNetworkReply wait for finished

I am using Qt 4.6.3 and the following not-working code QStringList userInfo; QNetworkRequest netRequest(QUrl(" ... the reply within one function See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - Why is QString printed with quotation marks?

So when you use qDebug() to print a QString, quotation marks appears suddenly in the output. int main() { ... change the way it's printed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - How can I capture QKeySequence from QKeyEvent depending on current keyboard layout?

I need to do this for configuring my application. I have QLineEdit field with reimplemented keyPressEvent method. ... the same keyboard key. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - Install and use QWT under Mac OS X

I am currently trying to get QWT 6.1.0 running under MAC OS X 10.7.5. I followed the instructions over ... the qwt framework into my project? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - How do I assign a border to a specific QTableWidgetItem or a row in a QTableWidget?

I am trying to make certain cells in my QTableWidget have different colored borders based on the information contained ... red border around it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - How to read file content into a qmake variable and pass it to the compiler?

How to read file content into a variable in qmake project file? For example, I'd like to have the contents ... *some magic and filename here** See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - Jenkins Build Script exits after Google Test execution

I am building a Qt GUI application via Jenkins. I added 3 build steps: Building the test executable Running the ... better ... Finished: FAILURE See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt application 64 bit windows

Is it possible to compile a 64 bit executable in qt windows? Is it the same process as with 32 bit or any different? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - How to program scrollbar to jump to bottom/top in case of change in QPlainTextEdit or QTextEdit area?

How to program scrollbar to jump to bottom/top in case of change in QPlainTextEdit or QTextEdit area? It ... t have any controlling function. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - QML: how to specify image file path relative to application folder

We are developing our first Qt/QML application (trying technology). While technology looks very promising at a ... just use relative paths). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - QtQuick2 dragging frameless window

I'm looking for a way of dragging frameless window in QtQuick2. I followed this thread on the forum Link but ... QtQuick2 ? Thanks for help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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700 views

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qt creator - Qt - Using asterisk (*) in .pro-File with directories

I have a .pro file which looks like: SOURCES += myfolder/source1.cpp myfolder/source2.cpp HEADERS += myfolder/ ... 1127 . Thank you anyway!] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - What steps are necessary to enable antialiasing when using a QPainter on a QGLWidget?

I am trying to draw basic shapes on a QGLWidget. I am trying to enable antialiasing to smooth out the lines, but it ... else do I need to do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt creator - How to make the "Locals and Expressions" debugging window operational with gcc 4.8?

I am using gcc 4.7 and gcc 4.8 together with QtCreator 2.7.1. The problem is that when I use gcc 4. ... once I rebuild with the older version. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - How do I set the background color of a widget like combobox or double spin box?

I am trying to set the background color for a double spin box, and I am not sure what function I ... color of a QComboBox or QDoubleSpinBox? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - QML. How to change MapPolyline path from C++?

Here is a QML map: Map { anchors.fill: parent plugin: osmMapPlugin center: QtPositioning.coordinate(56.006355, 92. ... and cannot be set again. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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697 views

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qt - How to read data from QNetworkReply being used by QWebPage?

I use QWebPage to download a webpage as well as all its resources. At the same time I'd like to get hold on ... class. How to write this proxy? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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752 views

1 answer

qt - QNetworkRequest and default SSL configuration

I'm using the following piece of code to make HTTPS requests with a server. QNetworkRequest request; //request ... working on Symbian platform. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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qt - How to change a parent widget's background when a child widget has focus?

I would like to highlight a QFrame, if one of it's child widgets has focus (so the users know where to ... Is there a more elegant solution? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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755 views

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qt - QSslSocket error when SSL is NOT used

I have noticed this output in two of my Qt applications that use QNetworkRequest to load some data from outside ... get rid of these warnings? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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qt - Set color to a QTableView row

void MyWindow::initializeModelBySQL(QSqlQueryModel *model,QTableView *table,QString sql){ model = new QSqlQueryModel(this); ... a cell value? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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837 views

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qt - Drag and drop rows within QTableWidget

Goal My goal is to have a QTableWidget in which the user can drag/drop rows internally. That is, the ... Internal Drag Drop Entire Row See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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qt - How to align QPainter drawText around a point, not a rectangle?

I want to set text drawing alignment using one point as coordinate, not a rectangle. As far as I understand ... point, not in a rectangle? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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qt - Easiest way for offscreen rendering with QOpenGLWidget

I have a hidden QOpenGLWidget (Qt 5.4.2, NOT QGLWidget) and I want to basically continually do grab() ... -painted QGraphicsItems in it... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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823 views

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qt - Draw rich text with QPainter

is there a way to draw fixed text that has subscripts. My goal is to have something like: "K_max=K_2 . 3" QString ... <sub>2</sub></p>.3" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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