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in a python plugin for qgis I want the user to be able to select one or more of several options via tick boxes.

I imagine it to look like e.g. Qgis 2.2 tool "Vector" -> "Data Management Tools" -> "Join attributes by location". In the "Attribute Summary" section of this tool the user is able to tick several functions on and off:

enter image description here

At the moment I use a string input (##options=string "option1,option2,option3"). The user has to enter all options separated by a comma. This works but it does not look very pretty.

Is this possible with Pyhton? Any suggestions? Thanks in advance.

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Yes this is possible. I think you are looking for a checkbox.

self.yourCheckbox = QtGui.QCheckBox(self.layoutWidget)
self.yourCheckbox.setObjectName(_fromUtf8("Checkboxname"))

Then to see if its checked:

isitchecked = self.dlg.ui.yourCheckbox.isChecked() # returns True if checked

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