In Qt designer when I make my UI's, the UI displays correctly. When I convert it to Python code and run the program it looks different and the text doesn't fit correctly.
QT Designer:
When I convert it to Python code and run the program:
The problem is caused because the .ui to .py converter (pyuic) does not use the same methodology as the QtDesigner previewer. This difference not only occurs with the QLabels but with other components, but since they are minimal differences then these are not observable.
A workaround for this case is to use the adjustSize() method after setting the text:
the_qlabel.adjustSize()
Related
I am using Qt Designer for creating GUI files all work well for me in Qt Designer GUI window but if I run the generated file in Python it the text context is cut short, I need to know why this is happening?
This image is the preview feature of Qt Designer:
This image is the output of the python file generated when the QtDesigner was converted to a python file and executed.:
I suppose you are new in PyQt5.Sooner or later you will understand that whenever you create something in Qt designer like a button or a label,this item will be completely static.That means that whatever you create will be 'stuck' there with the absolute coordinates you defined and absolutelly zero interactivity.Here comes layers and minimum-maximum sizes of widgets.You can apparently just drag more your labels width manually from Qt Designer but this approach will not get you very far.Because this topic is rather big ,i will suggest playing more with Qt Designer and the inputs you can provide on the right tab ,and watch some tutorial about PyQt5 like this:https://www.youtube.com/watch?v=FVpho_UiDAY&ab_channel=TechWithTim
I am working on QT Designer to build GUI App. I want to ask how add command for push button.
For example I want to apply this action :
self.NfmtLoginButton.clicked.connect(lambda: SecondScript.printme(self.NfmtPasswordEntry.text()))
Is it possible through the QT Designer. to be permanently saved. and no need to add all the commands again when generating new python script file from UI file.
No, it's not possible, but that should not be a problem, as the files generated using pyuic should never, ever be modified (the warning in those files is not to be undertaken).
Those files should always be left unmodified and only updated again with pyuic, as they are only meant to be imported in the actual program file, as explained in the official guidelines about using Designer (the "multiple inheritance approach is generally the most suggested).
I am currently working on a GUI application using PyQt5 and QtDesigner. As I have to make it multi-platform (at least Ubuntu and W10) I will use the "Fusion" style to make it look similar on both platforms.
I was wondering if one could simply set the QApplication style directly in QtDesigner ? I know that a simple <<.setStyle("Fusion")>> will do the trick in the code, but does it exist within QtDesigner so the lines can be automatically generated ?
I'm trying to learn QtDesigner and how much it can be pushed before going into the code.
No, it is not possible to set the style through Qt Designer.
What Qt Designer does allow is to display the GUI with different styles if you select Form-> Preview -> ...
The PyQt5 docs says
"New signals defined in this way will be automatically added to the
class’s QMetaObject. This means that they will appear in Qt Designer"
How do I make anything appear in QtDesigner if it only knows how to open *.ui files, but not python files?
In my workflow I create ui-file with QtDesigner, then convert it to python using pyuic5.
It is thus a one-way conversion (I then subclass it in another file to avoid my code being overwritten).
How do I make QtDesigner "see" my python code?
Qt Designer recognizes 2 types of elements:
The .ui that are the product,
And the plugins that are the ingredients.
So if you want a widget to be seen in Qt Designer you must create a plugin, if you download the source code in the folder examples/designer/plugins there is an example.
On the other hand there is no converter from .py to .ui since the transformation is not possible in all cases.
I am trying to write a custom widget for the Qt Designer using only Python. I was following a couple of tutorials I found online but none of them were working or anything close to what I would call to be a minimum working example.
So my questions are:
What steps are involved to make a a custom widget appear in the Widget Box of Qt Designer?
If you can spare the time: Please provide a minimum working example (like a widget with a label in it saying "A truly minimal working Qt custom widget example").
Or is it maybe not possible at all to include a custom widget using only python?
There are very few examples available on how to make a custom widget in pyqt. I wrote this article with a working example: Making a Custom Widget in PyQt
Here is the answer to your question #3: How do I use promote to in Qt Designer in pyqt4?
I am using PySide and it works the same way. This method works directly with your Python custom widget code. You do not need to write any separate plugin code.
After you have promoted your custom widget, you can right click on it and add your signals with "Change signals/slots..."
I would recommend putting all you widgets in a YourCostumWidgetsPack.UI file, and then when you load this file in Qt Designer, in addition to the UI you are working. It will load all your custom widget information.
I found this article to be your answer: https://doc.qt.io/archives/qq/qq26-pyqtdesigner.html
But, I haven't been able to install it in Qt Designer though :D