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"""
Extending the Button Context Menu
+++++++++++++++++++++++++++++++++
This example enables you to insert your own menu entry into the common
right click menu that you get while hovering over a value field,
color, string, etc.
To make the example work, you have to first select an object
then right click on an user interface element (maybe a color in the
material properties) and choose *Execute Custom Action*.
Executing the operator will then print all values.
"""
import bpy
from bpy.types import Menu
def dump(obj, text):
for attr in dir(obj):
print("%r.%s = %s" % (obj, attr, getattr(obj, attr)))
class WM_OT_button_context_test(bpy.types.Operator):
"""Right click entry test"""
bl_idname = "wm.button_context_test"
bl_label = "Run Context Test"
@classmethod
def poll(cls, context):
return context.active_object is not None
def execute(self, context):
value = getattr(context, "button_pointer", None)
if value is not None:
dump(value, "button_pointer")
value = getattr(context, "button_prop", None)
if value is not None:
dump(value, "button_prop")
value = getattr(context, "button_operator", None)
if value is not None:
dump(value, "button_operator")
return {'FINISHED'}
# This class has to be exactly named like that to insert an entry in the right click menu
class WM_MT_button_context(Menu):
bl_label = "Unused"
def draw(self, context):
pass
def menu_func(self, context):
layout = self.layout
layout.separator()
layout.operator(WM_OT_button_context_test.bl_idname)
classes = (
WM_OT_button_context_test,
WM_MT_button_context,
)
def register():
for cls in classes:
bpy.utils.register_class(cls)
bpy.types.WM_MT_button_context.append(menu_func)
def unregister():
for cls in classes:
bpy.utils.unregister_class(cls)
bpy.types.WM_MT_button_context.remove(menu_func)
if __name__ == "__main__":
register()
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