PyQt5 雜記

1.
QtDesigner 存檔後會有一個 .ui 檔
接下來就是把 .ui 檔轉 .py
這時就要用 pyuic5來幫忙了 (pyuic4在Python\Lib\site-packages\PyQt4裡)
pyuic5 input.ui -o output.py

2. PyQt5 with pyinstaller
sip now being installed separately.
https://github.com/pyinstaller/pyinstaller/issues/3630
Upon creating the installer I added the line:

--hidden-import PyQt5.sip

This worked no problem. E.g.

pyinstaller -F --noconsole qt5_10x_dilution_GUI_temp.py --hidden-import PyQt5.sip

3.
當要傳入function名稱，並且function帶有parameters時，用lambda：
self.pushButton.clicked.connect(lambda: handle_input(self.lineEdit, self.label_4, self.label_5, self.label_6))

PyQt5 set window flags for MinimizeButton, MaximizeButton

pyQt5 change MainWindow Flags

Every call of setWindowFlags will completely override the current settings, so you need to set all the flags at once. Also, you must include the CustomizeWindowHint flag, otherwise all the other hints will be ignored. The following will probably work on Windows:

    self.setWindowFlags(
        QtCore.Qt.Window |
        QtCore.Qt.CustomizeWindowHint |
        QtCore.Qt.WindowTitleHint |
        QtCore.Qt.WindowCloseButtonHint |
        QtCore.Qt.WindowStaysOnTopHint
        )

However, it is highly unlikely this will work on all platforms. "Hint" really does mean just that. Window managers are completely free to ignore these flags and there's no guarantee they will all behave in the same way.

PS:

It is not possible to set the window flags in Qt Designer.

PyQt window flags
PyQt has these window flags:

• Qt.MSWindowsFixedSizeDialogHint
• Qt.X11BypassWindowManagerHint
• Qt.FramelessWindowHint
• Qt.WindowTitleHint
• Qt.WindowSystemMenuHint
• Qt.WindowMinimizeButtonHint
• Qt.WindowMaximizeButtonHint
• Qt.WindowCloseButtonHint
• Qt.WindowContextHelpButtonHint
• Qt.WindowShadeButtonHint
• Qt.WindowStaysOnTopHint
• Qt.WindowStaysOnBottomHint
• Qt.CustomizeWindowHint