brush palette loading feature

1.4.3

- feat: load brushes from blend (behave like a Brush palette)
- ui: add load brushes within tool brush dropdown panel and in the top bar in drawmode
- pref: Set project brushes folder in addon preferences

__init__.py

@@ -15,7 +15,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Set of tools for Grease Pencil in animation production",
 "author": "Samuel Bernou",
-"version": (1, 4, 2),
+"version": (1, 4, 3),
 "blender": (2, 91, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",
@@ -41,6 +41,7 @@ from . import OP_helpers
 from . import OP_keyframe_jump
 from . import OP_cursor_snap_canvas
 from . import OP_palettes
+from . import OP_brushes
 from . import OP_file_checker
 from . import OP_render
 from . import OP_copy_paste
@@ -192,6 +193,11 @@ class GPTB_prefs(bpy.types.AddonPreferences):
         description="Path to palette containing palette.json files to save and load",
         default="//", maxlen=0, subtype='DIR_PATH')#, update = set_palette_path
 
+    brush_path : StringProperty(
+        name="Brushes directory",
+        description="Path to brushes containing the blends holding the brushes",
+        default="//", maxlen=0, subtype='DIR_PATH')#, update = set_palette_path
+
     ## Playblast prefs
     playblast_auto_play : BoolProperty(
         name="Playblast auto play",
@@ -311,8 +317,9 @@ class GPTB_prefs(bpy.types.AddonPreferences):
             row.prop(self, 'render_res_x', text='Width')
             row.prop(self, 'render_res_y', text='Height')
             ## Palette
-            box.label(text='Palette library folder:')
+            box.label(text='Project folders:')
             box.prop(self, 'palette_path')
+            box.prop(self, 'brush_path')
 
             ## render output
             box.prop(self, 'output_path')
@@ -443,6 +450,7 @@ def register():
     OP_playblast_bg.register()
     OP_playblast.register()
     OP_palettes.register()
+    OP_brushes.register()
     OP_cursor_snap_canvas.register()
     OP_render.register()
     OP_copy_paste.register()
@@ -478,6 +486,7 @@ def unregister():
     OP_copy_paste.unregister()
     OP_render.unregister()
     OP_cursor_snap_canvas.unregister()
+    OP_brushes.unregister()
     OP_palettes.unregister()
     OP_file_checker.unregister()
     OP_helpers.unregister()