Hi AF,
you can always query objects for their type with type(objectname) or
even access their documentation in an interactive interpreter session
with help(objectname). Then you know what methods and attributes they
expose or which Qt documentation page is matching whatever object you
are handling.
Be aware that pages like https://doc.qt.io/qt-5/qstatusbar.html only
list the "direct" members and that the objects might have already
inherited others. For that you can click the "List of all members,
including inherited members" link.
CaSe matters! Best use an IDE that helps you with autocompletion and
inspection, this helps a lot when learning. For PyCharm all you need to
do is select the python-qgis.bat file as interpreter and let it scan the
Python modules for a while.
When googling for QGIS Python classes, make sure you are reading
up-to-date documentation matching your QGIS version, e. g.
https://qgis.org/pyqgis/3.28/gui/QgisInterface.html
Cheers, Hannes
Am 12.12.22 um 01:42 schrieb afernandez via QGIS-Developer:
Hi Nyall,
Obviously I'm not an expert in Qt/QGIS (only been using it for a few
weeks) and still have many things to learn. Most of the code works
fine (by staying away from very complex structures) and styling
widgets has been no problem until now when trying to do anything with
the statusBar. From your comment, I went back to the
PyQGISDeveloperCookbook(v3.22) and snippets like
myicon =
QIcon("/home/ubuntu/.local/share/QGIS/QGIS3/profiles/default/python/plugins/app/appicon.png")
iface.mainWindow().setWindowIcon(myicon)
iface.mainWindow().setWindowTitle("Tailoring QGIS")
had worked in the past. One problem has been to find specific
documentation about iface.mainWindow().statusBar(), let alone examples
and those online (e.g.
https://gis.stackexchange.com/questions/210327/how-to-display-qgis-processing-bar-from-a-plugin)
kind of suggests that my initial snippet could work. I'll continue
reading the cookbook tomorrow but, in the meantime, is there any other
documentation discussing iface in general or
iface.mainWindow().statusBar() that I should also be reading? (Note: I
also checked https://doc.qt.io/qt-5/qstatusbar.html)
Thanks,
AF
P.S. Again sorry about the extra messages that shouldn't have been
sent to the thread (hopefully it won't happen again)
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