Recent questions tagged Qt

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qt - Beyond Stack Sampling: C++ Profilers

A Hacker's Tale The date is 12/02/10. The days before Christmas are dripping away and I've pretty much ... fail to perform any useful service. 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 - Access sqlite from a remote server

I am wondering how i can access an sqlite database that is sitting a remote server.I have read threads discouraging it ... to connect." ); } 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 - Enabling JPEG support for QImage in py2exe-compiled Python scripts?

I'm trying to use a JPEG image in a QImage object from a Python script, with PyQt4. The script itself works perfectly ... OS X or Linux. Will I? 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 - declare global property in QML for other QML files

I want to declare a global property in a config file and use it in other files. for example declare mainbg in: ... How can I do this work? 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 - QCompleter Custom Completion Rules

I'm using Qt4.6 and I have a QComboBox with a QCompleter in it. The usual functionality is to provide ... not really sure where I should be looking... Question&Answers:os...

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

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qt - QMake - how to copy a file to the output

How can I copy a file from my project to the output directory with qmake? I'm compiling on Linux but in the future I'll compile it on Mac and Windows. Question&Answers:os...

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

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qt - Passing an argument to a slot

I want to override mouseReleaseEvent with a bunch of QActions and QMenus... connect(action1, SIGNAL(triggered()), this, SLOT( ... . Do you know how I can do it? Question&Answers:os...

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

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qt - Draw Rectangular overlay on QWidget at click

in my project i use a EventFilter for widgets, that are in a QHBoxLayout. If i clicked on an a widget, i ... widget. Is there a way to implement this? greetings Question&Answers:os...

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

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qt - How to specify different Debug/Release output directories in QMake .pro file

I have a Qt project and I would like to output compilation files outside the source tree. I currently have the following ... can I do that using a .pro file? Question&Answers:os...

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

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qt - My signal / slot connection does not work

I repeatedly see people having problems with slots not being called. I would like to collect some of the most ... working? How can such problems be avoided? Question&Answers:os...

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

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qt - QLabel does not display in QWidget

I have the following hierarchy in my Qt Application: QMainWindow > QWidget (centralWidget) > QWidget (subclassed) ... label after the initialization is done ? Question&Answers:os...

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

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qt - Is it legal to assign to property that already has binding defined in QML

Let's say property 'x' has an immidiate value in QML, and another property 'y' is bound to 'x' Text { id: ... it-legal-to-assign-to-property-that-already-has-binding-defined-in-qml...