Recent questions tagged Qt

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qt - Capture server response with QWebEngineView

I'm trying to create a Dialog in Qt which loads a URL (which I do not want to expose to the end-user, ... How do I do this with QWebEngineView? See Question&Answers more detail:os...

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

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qt - Upload file with POST method on Qt4

I'm looking for a basic code samples of how to upload files to server with HTTP POST method on Qt. My task: I ... / delete file; file = 0; } See Question&Answers more detail:os...

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

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qt - Best way to access a cpp structure in QML

I need to pass structures between cpp and QML. If i use property i should create an individual set ... as below: Q_DECLARE_METATYPE(MyStruct) See Question&Answers more detail:os...

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

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qt - Is there a way to enable word wrapping of text on some simple widgets like QPushButton?

I'd like to make QPushButton word wrap and expand it's height instead of expanding width. How can I do that? See Question&Answers more detail:os...

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

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qt - How to create a tableview (5.12 )with column headers?

I am creating a Table using the new qml tableview (Qt 5.12). I am able to create a model in C++ and ... init") tbl.delegate= datacell } } See Question&Answers more detail:os...

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

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qt - How to find an object by name in pyqt?

I have a list of dictionaries: globalParams = [{'attr':'enabled','ctrl':'checkBoxEnabled','type': ... ('checkBoxEnabled').checkState() See Question&Answers more detail:os...

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

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qt - draw a filled up circle

I've written a function that must draw a filled up black circle on my graphicsscene. The function draws a black ... (item); } kind regards, See Question&Answers more detail:os...

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

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qt - How can I add a "new tab" button next to the tabs of a QMdiArea in tabbed view mode?

I'd like to have a "new tab" button much like Chrome or Firefox has for my QMdiArea. I can make a ... with a QTabWidget with such a button. See Question&Answers more detail:os...

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

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qt - How signal and slots are implemented under the hood?

This question is already asked in this forum but I don't understand the concept. I was reading around and it ... signal. Thanks for your time See Question&Answers more detail:os...

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

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qt - How do i resize the contents of a QScrollArea as more widgets are placed inside

I have a QScrollArea Widget, which starts empty; It has a vertical layout, with a QGridLayout, and a ... and remove from the QGridLayout? See Question&Answers more detail:os...

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

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qt - QListWidget adjust size to content

Is it possible to adjust QListWidget height and width to it's content? sizeHint() always returns 256, 192 no matter ... ) sys.exit(app.exec_()) See Question&Answers more detail:os...

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

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qt - QLabel auto multiple lines

For example, we have a QLabel with MaximumWidth set to 400. When we try to display some text with pixel ... using QFontMetrics or the like? See Question&Answers more detail:os...

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

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603 views

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qt - ListView scrolling animation

I want to implement a scrolling animation for QML ListView. Here is a sample image: Can anybody advise me for implementing this? Thank you. See Question&Answers more detail:os...

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

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qt creator - Use qtcreator with makefile project

I have a makefile project. I know that in Eclipse CDT is possible to load makefile project. Is it possibile to load it in qtcreator? See Question&Answers more detail:os...

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

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qt - How to get a QTableView to fill 100% of the width?

Here's a print screen of my software: As you can see, the first QTableVIew headers do not take 100% of the ... of the width of the QTableView? See Question&Answers more detail:os...

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

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qt - Application deployed with QT5 libraries does not start on Windows 7

Recently we have been migrating our QT based application on Windows from QT 4.8 to QT 5, and we have ... missing library dependencies at all. See Question&Answers more detail:os...

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

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qt - C++ unordered_map fail when used with a vector as key

Background: I am comming from the Java world and I am fairly new to C++ or Qt. In order to play with ... idea of the origin of the problem? See Question&Answers more detail:os...

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

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qt - Different delegates for QML ListView

I would like to know if it's possible to use (several) different delegates for a QML ListView. Depending ... appreciate any advice! Thanks! See Question&Answers more detail:os...

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

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qt - Does large use of signals and slots affect application performance?

The question is just done for educational purpose: Does the use of 30-50 or more pairs of signals and ... , runtime or response times? See Question&Answers more detail:os...

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

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qt - How to access C++ enum from QML?

class StyleClass : public QObject { public: typedef enum { STYLE_RADIAL, STYLE_ENVELOPE, STYLE_FILLED } Style; Style ... above enum through QML? See Question&Answers more detail:os...

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

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qt - How to set image on QPushButton?

I want to set an image on QPushButton, and the size of QPushButton should depend on the size of the image. I ... , then please help me out. See Question&Answers more detail:os...

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

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qt - QLabel: set color of text and background

How do I set color of text and background of a QLabel ? See Question&Answers more detail:os...

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

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qt - Where to report PyQT5 bug?

Where can I report bugs related to PyQT5 / QT? For example if object is not emitting signal correctly (on ... ) as stated in documentation. See Question&Answers more detail:os...

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

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740 views

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qt - Dynamic instantiation of QML objects?

I want to draw many Rectangular's inside a QML. The coordinates for Rectangulars (x,y) will be calculated inside ... I use to display them? See Question&Answers more detail:os...

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

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qt - Running a program/script from QMake

We have a fairly large code-base. The vast majority of the code is compiled using qmake to produce the ... run when the Makefile executes? See Question&Answers more detail:os...

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

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qt - PyQt5 and QtGui module not found

Is there some reason that QtGui is packaged with PyQt5??? I am using Mark Summerfield's Rapid GUI programming book. ... 13.04 and Python 3.3. See Question&Answers more detail:os...

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

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qt - How to create a round mouse area in QML

I have a basic custom button using a Rectangle with radius: width/2. Now I add a MouseArea to my button. However ... = "transparent"; } } } } See Question&Answers more detail:os...

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

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879 views

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qt - Deploy Qt5 QML application

To test QML deployment I've created a very simple QML application. Here is the code: main.cpp #include < ... - non development - machine? See Question&Answers more detail:os...

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

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