with help page

setup.cfg

 [metadata]
 name = napari-3dtimereg
-version = 0.0.3
+version = 0.0.4
 description = Registration of 3D movies applied to all channels
 long_description = file: README.md
 long_description_content_type = text/markdown

src/napari_3dtimereg/movieRegistration.py

@@ -73,13 +73,26 @@ def start():
         cview.gamma = 0.95
     return getChanels()
 
+def show_help_chanel():
+    """ Open the gitlab page with the documentation """
+    import webbrowser
+    webbrowser.open_new_tab("https://gitlab.pasteur.fr/gletort/napari-3dtimereg/#choose-movie-and-reference-chanel")
+    return
+
+def show_help_align():
+    """ Open the gitlab page with the documentation """
+    import webbrowser
+    webbrowser.open_new_tab("https://gitlab.pasteur.fr/gletort/napari-3dtimereg/#calculate-alignement")
+    return
+
 def getChanels():
     """ Choose the chanel on which to calculate the alignement """
 
     @magicgui(call_button="Update", 
             reference_chanel={"widget_type": "Slider", "min":0, "max": refimg.shape[2]-1}, 
+            help={"widget_type":"PushButton", "value": False, "name": "help"}, 
             )
-    def get_chanel( reference_chanel=0 , ):
+    def get_chanel( reference_chanel=0 , help=False, ):
         global refchanel
         global resimg
         global colchan
@@ -109,6 +122,8 @@ def getChanels():
             #cview.contrast_limits = quants
             do_registration()
     
+
+    get_chanel.help.clicked.connect(show_help_chanel)
     wid = viewer.window.add_dock_widget(get_chanel, name="Choose chanel")
     return wid
 
@@ -294,6 +309,7 @@ def do_registration():
             spacing_two={"widget_type":"LiteralEvalLineEdit"}, 
             spacing_three={"widget_type":"LiteralEvalLineEdit"}, 
             spacing_four={"widget_type":"LiteralEvalLineEdit"}, 
+            help={"widget_type":"PushButton", "value": False, "name": "help"}, 
             )
     def get_paras( reference_frame = "previous",
             show_log = False,
@@ -309,6 +325,7 @@ def do_registration():
             spacing_two=2,
             spacing_three=1,
             spacing_four=1,
+            help = False,
             ):
         
         global results_transform_parameters_aff, results_transform_parameters
@@ -339,6 +356,7 @@ def do_registration():
 
     show_advanced(False)
     get_paras.show_advanced_parameters.changed.connect(show_advanced)
+    get_paras.help.clicked.connect(show_help_align)
     wid = viewer.window.add_dock_widget(get_paras, name="Calculate alignement")
     return wid