I would like to change the zoom factor of QGIS dynamically without restarting QGIS. The changed settings I would like to use for a plugin would be that it let's me dynamically change the zoom behaviour when I use the mouse wheel for zooming in and out.
I know that I can change the QGIS-Settings like that:
from PyQt4.QtCore import QSettings s = QSettings() #getting qgis settings s.setValue("/Qgis/zoom_factor", 1.1) s.sync()
But this requires a restart of QGIS to really change the zoom behaviour. Is there anything else I could do to make QGIS accept the new settings like it does when I click the "OK"-button in the settings dialog?