Recent questions tagged Qt

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qt - How to set text alignment on a column of QTableView programmatically?

So far the only solution I have found is to subclass QItemDelegate and implement my alignment rule in the paint() ... using the C++ API. 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 - Start a process using QProcess

I'm trying to start Microsoft word using QProcess as following: QString program = "WINWORD.EXE"; process->start(program ... right way to do so ? 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 - Is it possible to show only certain indexes of a QML listview?

Is it possible to show only certain indexes or a range of indexes in QML listviews? I have a listmodel that has ... , only indices 5 to 8? 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 - tracking global position of a component

I would like to track a global position of an object (or relative to one of it's ancestors) and bind ... calculating the distance between them. 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 deal with "%1" in the argument of QString::arg()?

Everybody loves QString("Put something here %1 and here %2") .arg(replacement1) .arg(replacement2); but things get itchy ... "); gives "%3-foo" 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 create a QML GridLayout with items of proportionate sizes?

Potentially related: https://stackoverflow.com/a/30860285/3363018 I've been trying to create a QML layout with ... on grid rows and columns? 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: List all object members/properties in console

Is there any way to list all object members/properties in QML & Qt 5.1? Such as: var obj=myQObject; ... would be very helpful for debugging. 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 use QTimer

In Qt I'm trying to set a QTimer that calls a function called "update" every second. Here is my .cpp file ... anybody see what I′m doing wrong? 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 are the advantages/disadvantages of QCustomPlot, compared to Qwt?

I am using Qwt now for two years. I like its object oriented classes, which makes it very easy to adapt the ... not? Are there any pitfalls? 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 generate .sln/.vcproj using qmake

I have main.cpp in c:est folder and do the following: qmake -project qmake -tp vc test.pro The answer is: WARNING: ... for MSVC 7.1 and 8.0? 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 preview sizes of widgets in layout before a show()?

How do I preview what the size of widgets in a window will be after the layout rules are applied, before I ... How do I go around that? 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 you load .ui files onto python classes with PySide?

I've used PyQt for quite a while, and the entire time I've used it, there has been a pretty consistent ... you can just parse the ui?) 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 convert qmake to cmake?

I have a .pro file on my project, but now I want to port it to a CMakeLists.txt file. How ... test_interface.h motomanlibrary.h processing.h See Question&Answers more detail:os...

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

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857 views

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qt - QWebView or QWebEngineView

Are there any functional differences between QWebView and QWebEngineView? If I understand correctly, QWebView is webkit, ... over the other? See Question&Answers more detail:os...

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

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618 views

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qt - run apps using audio in a docker container

This question is inspired by Can you run GUI apps in a docker container?. The basic idea is to run apps with audio ... my qt app is using 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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676 views

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qt - c++ struct does not name a type

I am defining a structure in a header file, and then setting its members in the corrosponding .cpp file. For doing ... I can do to eliminate it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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804 views

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qt - How to force QAbstractItemView recalculate items sizeHints

I have QListView and QTabWidget inside QSplitter. QListView is using custom model and custom delegates. In delegate I ... (); } Similar question See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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489 views

1 answer

qt - How to save and restore the content of a ListModel?

I am able to save settings for list items which is statically created using Component.onComponent method. But Settings ... .fill: parent } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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qt - Need QGraphicsScene signal or event for _after_ change

I use QGraphicsScene of the Qt framework. Inside the scene I have some QGraphicsItems which the user can select ... everything by my own? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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qt - Filtering in QFileDialog

I would like to filter the files that are shown in a QFileDialog more specifically than just by file extensions ... these for a QFileDialog? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

1 answer

qt - How to create a proxy model that would flatten nodes of a QAbstractItemModel into a list in PySide?

I have a hierarchy of nodes represented by a custom QAbstractItemModel. Is it possible to create a proxy model that ... 7 8 8 Thanks, FipS See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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802 views

1 answer

qt - .ico icons not showing up on Windows

I followed the The Qt Resource System guide and the .ico icons appear on Linux. The icons are not showing up on ... I repeat: it works on Linux. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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553 views

1 answer

qt - Is it possible to use QAbstractTableModel with TableView from QtQuick.Controls?

I'm trying to implement following thing: There is 2d table with values. I need to implement UI for viewing ... solution - QMap or QJsonObject? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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989 views

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qt - How to sort data in QTableWidget?

I have a QTableWidget and the first column contains numbers from 1 to 1000. Now I need to sort the table ... CSV file for populating the table. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

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qt - Unresolved Functions While Working With QSslSocket

I tried to run a simple program that is written with Qt and uses QSslSocket. I'm running this program on a ... How can I fix these errors? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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850 views

1 answer

qt - INCLUDEPATH in qmake project file doesn't work

I've got a problem with include in a qmake project. In my .pro file I've got: INCLUDEPATH += "C: ... Creator. What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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801 views

1 answer

qt - How to prevent the QBasicTimer::stop: Failed warning when objects become threadless?

QObjects can easily become threadless, when their work thread finishes ahead of them. When this happens, Qt doesn' ... what Qt already does. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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724 views

1 answer

qt - Compile Poco with MinGW on Windows

I need to compile poco with MinGW so I can use it in Qt Creator but cannot figure out how to, I've ... use those libraries in Qt Creator. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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