Recent questions tagged QT

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qt - Paint/Draw on top of docked widgets in QDodckWidget

I have a class in Qt that inherits QDockWidget. And that class contains another widget. Is there any possibility ... inherited class. Thank you See Question&Answers more detail:os...

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

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888 views

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qt - QHttpMultiPart: post files to PHP script

I am working in Qt 5 and struggling with a multipart upload. My script is as close to the docs as possible: QUrl ... log. How can I debug this? See Question&Answers more detail:os...

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

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661 views

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qt - what is arm-linux-gcc and how to install this in ubuntu

In compiling qt I found that there is a qws target called arm-linux-gcc. I looked around a bit but unable to ... out to install "arm-linux-gcc" See Question&Answers more detail:os...

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

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742 views

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qt - Using a QStyledItemDelegate on a QListView with QSqlQueryModel

I have a QListView, that has a QSqlQueryModel set as its model. How can I use a QStyledItemDelegate in order to customise ... ); [...] } Thanks! See Question&Answers more detail:os...

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

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980 views

1 answer

qt - Disable specific items in QComboBox

In my application, I want to disable some items (i.e. not selectable, no highlights when mouse hovering above, and the ... ); return a.exec(); } See Question&Answers more detail:os...

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

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885 views

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qt - Removing index numbers in QTablewidget

How can I remove the column with index numbers in QTableWidget ? See Question&Answers more detail:os...

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

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873 views

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qt - How to remove the time delay before a QToolTip is displayed?

I have a custom QGraphicsItem with a QToolTip. When hovering with the mouse on them the tool tip shows fine, ... tool tip will show immediately? See Question&Answers more detail:os...

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

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797 views

1 answer

qt - Audio visualization with QMediaPlayer

I am playing audio with the QMediaPlayer and want to visualize the audio levels (for example like in this ... that can accomplish this? thanks See Question&Answers more detail:os...

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

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958 views

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qt - Load qmldir from QRC file

I'm trying to use the QML-material library in a Qt Quick Application. But when I try to use the import code ... to use qmldir in qrc file? See Question&Answers more detail:os...

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

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552 views

1 answer

qt - Integrating OpenCV with larger programs

Can anyone recommend a how-to guide or provide a brief overview of what's involved with integrating OpenCV with larger ... ); this->updateGL(); See Question&Answers more detail:os...

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

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550 views

1 answer

qt - Integrating OpenCV with larger programs

Can anyone recommend a how-to guide or provide a brief overview of what's involved with integrating OpenCV with larger ... ); this->updateGL(); See Question&Answers more detail:os...

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

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545 views

1 answer

qt - Integrating OpenCV with larger programs

Can anyone recommend a how-to guide or provide a brief overview of what's involved with integrating OpenCV with larger ... ); this->updateGL(); See Question&Answers more detail:os...

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

0 votes

564 views

1 answer

qt - Integrating OpenCV with larger programs

Can anyone recommend a how-to guide or provide a brief overview of what's involved with integrating OpenCV with larger ... ); this->updateGL(); See Question&Answers more detail:os...

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

0 votes

715 views

1 answer

qt - Audio visualization with QMediaPlayer

I am playing audio with the QMediaPlayer and want to visualize the audio levels (for example like in this ... that can accomplish this? thanks See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

qt - Load qmldir from QRC file

I'm trying to use the QML-material library in a Qt Quick Application. But when I try to use the import code ... to use qmldir in qrc file? See Question&Answers more detail:os...

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

0 votes

615 views

1 answer

qt - Integrating OpenCV with larger programs

Can anyone recommend a how-to guide or provide a brief overview of what's involved with integrating OpenCV with larger ... ); this->updateGL(); See Question&Answers more detail:os...

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

0 votes

886 views

1 answer

qt - Order of slots called on QObject

I have a QObject that has multiple slots connected to one of its signals. Is there an order in which of ... called when the signal is emitted? See Question&Answers more detail:os...

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

0 votes

666 views

1 answer

qt - Text scrolling (Marquee) in QLabel

I'm studying WidgetMarqueeLabel class: #include "WidgetMarqueeLabel.h" #include <QPainter> #include <QWidget> ... Is this possible? See Question&Answers more detail:os...

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

0 votes

815 views

1 answer

qt - Two way binding C++ model in QML

I'm trying to learn more about QtQuick and QML. My current goal is to understand how to bind data from a ... > view text: testMessage.message } See Question&Answers more detail:os...

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

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922 views

1 answer

qt - Use of variables like %{buildDir} in QtCreator kit settings in Qt5

In this documentation (under section "Specifying a Custom Executable to Run") I noticed that there is mention ... limited to variables? Thanks! See Question&Answers more detail:os...

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

0 votes

899 views

1 answer

qt - Adding a right-click menu for specific items in QTreeView

I'm writing a Qt desktop application in c++ with Qt Creator. I declared in my main window a treeView, and ... nothing :( thanks in advance! See Question&Answers more detail:os...

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

0 votes

950 views

1 answer

qt - How to print from QWebEngineView

I am trying to print a report from within my application, which involves both text and tables. Since ... function using QWebEngineView please? See Question&Answers more detail:os...

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

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751 views

1 answer

qt - QFileDialog localization

QFileDialog is used in my code like following: QFileDialog fileDlg; fileDlg.setFileMode(QFileDialog::AnyFile); ... strings to QFileDialog? See Question&Answers more detail:os...

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

0 votes

793 views

1 answer

qt - How to access Items stored in a QAbstractListmodel in QML(by delegates) otherwise than using item roles?

I just want to display elements from list using QML, but not using item roles. For ex. I want to call ... find nothing clear reffering to this. See Question&Answers more detail:os...

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

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822 views

1 answer

qt - QTreeWidget to Mirror python Dictionary

Is there a way to make a QTreeWidget mirror the changes made to an internal data structure such as dictionary? ... data structres like this yet. See Question&Answers more detail:os...

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

0 votes

765 views

1 answer

qt - How do I zip a directory of files using C++?

I'm working on a project using C++, Boost, and Qt. I understand how to compress single files and ... to anyone looking down this path. See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

qt - How to implement QML ListModel like get method for an QAbstractListModel derived model

I want to use an QAbstractListModel derived model in QML. Binding the model to views already works great. The ... derived model. Any hints? 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

1 answer

qt - QVBoxLayout: How to vertically align widgets to the top instead of the center

In Qt, When I add widgets to my layout, they are vertically centered by default. Is there a way to ... instead of centering them vertically? See Question&Answers more detail:os...

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

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