fix keymaps snippet

snippets/dev/keymap_with_properties.py

@@ -1,39 +1,46 @@
+import bpy
+
 addon_keymaps = []
+
 def register_keymaps():
-    addon = bpy.context.window_manager.keyconfigs.addon
+    kc = bpy.context.window_manager.keyconfigs.addon
+    if kc is None:
+        return
 
-    key_prev = "BUTTON4MOUSE"#prev
-    key_next = "BUTTON5MOUSE"#next
+    key_prev = "BUTTON4MOUSE" # Prev
+    key_next = "BUTTON5MOUSE" # Next
 
     ## Set origin to cursor/geometry with ctrl+shift+alt+ extra mousebutton
-    km = addon.keymaps.new(name = "3D View", space_type = "VIEW_3D")# valid only in 3d view
+    km = kc.keymaps.new(name = "3D View", space_type = "VIEW_3D") # valid only in 3d view
+
     kmi = km.keymap_items.new("object.origin_set", type = key_prev, value = "PRESS", ctrl = True, shift = True, alt = True)
     kmi.properties.type = 'ORIGIN_GEOMETRY'
+    addon_keymaps.append((km, kmi))
+
     kmi = km.keymap_items.new("object.origin_set", type = key_next, value = "PRESS", ctrl = True, shift = True, alt = True)
     kmi.properties.type = 'ORIGIN_CURSOR'
+    addon_keymaps.append((km, kmi))
 
-    addon_keymaps.append(km)
 
     ## Jump to keyframe with alt + extra mousebutton
-    km = addon.keymaps.new(name = "Window", space_type = "EMPTY")# valid in all editor
-    #kmi = km.keymap_items.new("screen.keyframe_jump", type = "BUTTON6MOUSE", value = "PRESS")#mouse button above 5 aren't recognize on logitech mouse on windaube
+    km = kc.keymaps.new(name = "Window", space_type = "EMPTY") # valid in all editor
+
+    ## note: BUTTON6MOUSE and BUTTON7MOUSE dont seem to be detected on windows
     kmi = km.keymap_items.new("screen.keyframe_jump", type = key_prev, value = "PRESS", alt = True)
     kmi.properties.next = False
-    #kmi = km.keymap_items.new("screen.keyframe_jump", type = "BUTTON7MOUSE", value = "PRESS")#mouse button above 5 aren't recognize on logitech mouse on windaube
+    addon_keymaps.append((km, kmi))
+
     kmi = km.keymap_items.new("screen.keyframe_jump", type = key_next, value = "PRESS", alt = True)
     kmi.properties.next = True
+    addon_keymaps.append((km, kmi))
 
-    addon_keymaps.append(km)
 
 def unregister_keymaps():
-    wm = bpy.context.window_manager
-    for km in addon_keymaps:
-        for kmi in km.keymap_items:
-            km.keymap_items.remove(kmi)
-        ## Can't (and supposedly shouldn't ) suppress original category name...
-        # wm.keyconfigs.addon.keymaps.remove(km)
+    for km, kmi in addon_keymaps:
+        km.keymap_items.remove(kmi)
     addon_keymaps.clear()
 
+
 def register():
     if not bpy.app.background:
         register_keymaps()