qt4.6

相关标签：javascript jquery android 多少钱 iPhone

How to identify QEvent sender

I have reimplemented QWidget::event() handler, where I am handling windowStateChange event. I was w开发者_StackOverflow中文版ondering if there is any way to identify which widget sends this event.No,[详细]

2023-04-05 07:28 分类：问答
How can I paint a number of animated bubbles ? (Qt4.6)

Recentl开发者_开发技巧y in trouble, I hope you will help me . I created three buttons in a widget ,I use the QPropertyAnimation class to achieve the position of the three buttons move .[详细]

2023-03-30 03:58 分类：问答
Debugger for qt in windows?

While I try to debug the application, it pop up the dialog box and shown as below. How to overcome this 开发者_如何学Cissue?You need to install the Debugging Tools for Windows (the cdb debugger) fo[详细]

2023-03-07 03:08 分类：问答
How to convert colour to greyscale image in openCV?

Hi I have read the openCV reference from this site and using the following code: VideoCapture mCap; Mat mcolImage, mbwImage;[详细]

2023-02-16 22:53 分类：问答
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 completion hints (these can be in a dropdown rather than inline - which is my usage) based on a[详细]

2023-02-13 11:20 分类：问答
how to make parallel events in c++ (specific Qt 4.6)

I have a problem with the execution of multiple functions at once. Specific , I have two classes (MyRect and space). The Idea is similar to space invaders but I stuck on the beginning. In class MyRect[详细]

2023-01-30 12:16 分类：问答
QT4 Linux will not "make" because of undefined reference to Main . What is wrong?

I am using Linux 10.10. Trying to use QT4 as I would like to avoid alternative IDEs and languages. I can not get past the $ make[详细]

2023-01-29 12:07 分类：问答
How to get frameGeometry without showing the window

Is there anyway to get the correct frameGeometry for 开发者_StackOverflow中文版a window for which show() has not yet been called? In general it seems that frameGeometry() == geometry() before a window[详细]

2023-01-28 17:02 分类：问答
How can I add a package to Qt

I downloaded a package called QtIOCompressor, I need to use the functionality like zipping a directory gzipping a di开发者_StackOverflow社区rectory etc etc in a application I am coding. But I dont kno[详细]

2023-01-21 13:33 分类：问答
how to print a QGraphicsScene that has text and graphics

I have a QGraphicsScene that has graphics as well as text drawn on it.When I try to print, the graphics are fine, but the text is using a font size defined in points, so scene->render开发者_如何学运[详细]

2023-01-15 06:54 分类：问答