scripts-blender/addons/brushstroke_tools/__init__.py

@@ -1,6 +1,6 @@
-from . import utils, settings, ui, draw_tool, ops
+from . import utils, icons, settings, ui, draw_tool, ops
 
-modules = [utils, settings, ui, draw_tool, ops]
+modules = [utils, icons, settings, ui, draw_tool, ops]
 
 def register():
 	for m in modules:

scripts-blender/addons/brushstroke_tools/icons.py

@@ -0,0 +1,23 @@
+import bpy
+import bpy.utils.previews
+import os
+
+icon_previews = {}
+
+def register():
+    # register custom icons
+    dir = os.path.join(os.path.dirname(__file__), "icons")
+    pcoll = bpy.utils.previews.new()
+    for entry in os.scandir(dir):
+        if entry.name.endswith(".png"):
+            name = os.path.splitext(entry.name)[0]
+            pcoll.load(name.upper(), entry.path, "IMAGE")
+    global icon_previews
+    icon_previews["main"] = pcoll
+
+def unregister():
+    # unregister custom icons
+    global icon_previews
+    for pcoll in icon_previews.values():
+        bpy.utils.previews.remove(pcoll)
+    icon_previews.clear()

scripts-blender/addons/brushstroke_tools/icons/random.svg

@@ -0,0 +1,447 @@
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+       id="rect6"
+       style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:969.226;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1"
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+</svg>

scripts-blender/addons/brushstroke_tools/settings.py

@@ -1,5 +1,5 @@
 import bpy
-from . import utils
+from . import utils, icons
 from bpy.app.handlers import persistent
 
 @persistent
@@ -97,15 +97,31 @@ def set_active_context_brushstrokes_index(self, value):
     bs_ob.select_set(True)
     bs_ob['BSBST_active'] = True
 
-class BSBST_link_context_setting(bpy.types.PropertyGroup):
+def link_context_type_items(self, context):
-    name: bpy.props.StringProperty(default='')
+    items = [
-    link_context: bpy.props.BoolProperty(default=False, name='Link to Context')
+        ('SURFACE_OBJECT', 'Surface Object', 'Link socket preset to context surface object', 'OUTLINER_OB_SURFACE', 1),\
-    link_context_type: bpy.props.EnumProperty(default='SURFACE_OBJECT', name='Link to Context', update=update_link_context_type,
-                                       items= [('SURFACE_OBJECT', 'Surface Object', 'Link socket preset to context surface object', 'OUTLINER_OB_SURFACE', 1),\
         ('FLOW_OBJECT', 'Flow Object', 'Link socket preset to context flow object', 'FORCE_WIND', 11),
         ('MATERIAL', 'Material', 'Link socket preset to context material', 'MATERIAL', 101),
         ('UVMAP', 'UV Map', 'Link socket preset to active context UVMap', 'UV', 201),
-                                               ])
+        ('RANDOM', 'Random', '', icons.icon_previews['main']["RANDOM"].icon_id, 501),
+    ]
+    return items
+
+def icon_from_link_type(link_type):
+    items = link_context_type_items(None, bpy.context)
+    for enum_item in items:
+        if enum_item[0]==link_type:
+            icon = enum_item[3]
+            if type(icon) == int:
+                return icon
+            else:
+                return {k : i for i, k in enumerate(bpy.types.UILayout.bl_rna.functions["prop"].parameters["icon"].enum_items.keys())}[icon]
+
+class BSBST_link_context_setting(bpy.types.PropertyGroup):
+    name: bpy.props.StringProperty(default='')
+    link_context: bpy.props.BoolProperty(default=False, name='Link to Context')
+    link_context_type: bpy.props.EnumProperty(default=1, name='Link to Context', update=update_link_context_type,
+                                       items=link_context_type_items)
 
 class BSBST_socket_info(bpy.types.PropertyGroup):
     name: bpy.props.StringProperty(default='')

scripts-blender/addons/brushstroke_tools/ui.py

@@ -1,5 +1,6 @@
 import bpy
 from . import utils
+from . import settings as settings_py
 
 def draw_panel_ui_recursive(panel, panel_name, mod, items):
 
@@ -59,10 +60,10 @@ def draw_panel_ui_recursive(panel, panel_name, mod, items):
                 col.enabled = not s.link_context
                 if not s:
                     continue
-                icon = s.bl_rna.properties['link_context_type'].enum_items[s.link_context_type].icon
+                icon = settings_py.icon_from_link_type(s.link_context_type)
                 row.alignment = 'EXPAND'
                 if s.link_context:
-                    row.prop(s, 'link_context', text='', icon=icon)
+                    row.prop(s, 'link_context', text='', icon_value=icon)
                 else:
                     row.prop(s, 'link_context_type', text='', emboss=True, icon='LINKED', icon_only=True)