[pyqt] pyqt development experience_ How to find events and methods of controls

I've been busy lately PyQt Development software , No time for blogs . Here, I only use PyQt Methods and experience of developing software , Focus on teaching people to fish , Non specific details .

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PyQt Less documentation for , quite a lot Qt Control properties cannot be fully understood . Simple control properties can be Baidu , Complex or unpopular control properties can only be turned to   Qt  Oneself .

I usually install Qt Creator ->  help   Interface , choice “ Indexes ”, Directly put keywords   Paste the   Query in the query box .

such as , I Baidu for a long time “PyQt  Header   be at the left side ”, I didn't get what I wanted to set QTableWidget  Of Header  The code displayed on the left of the text . I'll open it  Qt Creator, And then retrieve “horizontalHeader”, In its page directly  Ctrl + F  Search for “Align”. The first thing I found was   attribute "defaultAlignment", According to attributes , And find   How to set this property "setDefaultAlignment". So I got   Set up  header  The method of putting words on the left , With the following code ：

#  Set the header text of the table   be at the left side 
self.tableWidget.horizontalHeader().setDefaultAlignment(Qt.AlignLeft | Qt.AlignVCenter)