object_boolean_tools.py

                    if mod.show_viewport:
                        EnableIcon = "RESTRICT_VIEW_OFF"
                    Enable = row.operator(BTool_EnableBrush.bl_idname, icon=EnableIcon, emboss=False)
                    Enable.thisObj = mod.object.name

                    Remove = row.operator("btool.remove", text="", icon="X", emboss=False)
                    Remove.thisObj = mod.object.name
                    Remove.Prop = "THIS"

                else:
                    row.label(text=mod.name)

                Up = row.operator("btool.move_stack", icon="TRIA_UP", emboss=False)
                Up.modif = mod.name
                Up.direction = "UP"

                Dw = row.operator("btool.move_stack", icon="TRIA_DOWN", emboss=False)
                Dw.modif = mod.name
                Dw.direction = "DOWN"


# ------------------ BOOL TOOL ADD-ON PREFERENCES ----------------------------


shortcut_list = (
    ("3D View", None),
    ("Menu", "Ctrl Shift B"),

    ("Auto Operators", None),
    ("Difference", "Ctrl Shift Num -"),
    ("Union", "Ctrl Shift Num +"),
    ("Intersect", "Ctrl Shift Num *"),
    ("Slice", "Ctrl Shift Num /"),

    ("Brush Operators", None),
    ("Difference", "Ctrl Num -"),
    ("Union", "Ctrl Num +"),
    ("Intersect", "Ctrl Num *"),
    ("Slice", "Ctrl Num /"),
    ("Brush To Mesh", "Ctrl Num Enter"),
    ("All Brushes To Mesh", "Ctrl Shift Num Enter"),
)


def UpdateBoolTool_Pref(self, context):
    if self.fast_transform:
        RegisterFastT()
    else:
        UnRegisterFastT()


# Define Panel classes for updating
panels = (
    VIEW3D_PT_booltool_tools,
    VIEW3D_PT_booltool_config,
    VIEW3D_PT_booltool_bviewer,
)


def update_panels(self, context):
    try:
        for panel in panels:
            if "bl_rna" in panel.__dict__:
                bpy.utils.unregister_class(panel)

        for panel in panels:
            panel.bl_category = context.preferences.addons[
                __name__
            ].preferences.category
            bpy.utils.register_class(panel)

    except Exception as e:
        message = "Bool Tool: Updating Panel locations has failed"
        print("\n[{}]\n{}\n\nError:\n{}".format(__name__, message, e))


def icon_tria(prop):
    if prop:
        return "TRIA_DOWN"
    return "TRIA_RIGHT"


class PREFS_BoolTool_Props(AddonPreferences):
    bl_idname = __name__

    fast_transform: BoolProperty(
        name="Fast Transformations",
        update=UpdateBoolTool_Pref,
        description="Replace the Transform HotKeys (G,R,S)\n"
        "for a custom version that can optimize the visualization of Brushes",
    )
    use_wire: BoolProperty(
        name="Display As Wireframe",
        description="Display brush as wireframe instead of bounding box",
    )
    category: StringProperty(
        name="Tab Name",
        description="Set sidebar tab name",
        default="Edit",
        update=update_panels,
    )
    show_shortcuts: BoolProperty(name="Shortcuts")

    def draw(self, context):
        layout = self.layout
        layout.use_property_split = True
        layout.use_property_decorate = False

        col = layout.column()
        col.prop(self, "category")
        col.prop(self, "fast_transform")
        col.prop(self, "use_wire")

        col = layout.column()
        col.scale_y = 1.2
        col.use_property_split = False
        col.prop(self, "show_shortcuts", icon=icon_tria(self.show_shortcuts))

        if self.show_shortcuts:

            col = layout.column()

            for key_name, key_comb in shortcut_list:
                if key_comb is None:
                    col.separator()
                    col.label(text=key_name)
                else:
                    row = col.row(align=True)
                    row.scale_y = 0.7
                    row.box().label(text=key_name)
                    row.box().label(text=key_comb)


# ------------------- Class List ------------------------------------------------

classes = (
    PREFS_BoolTool_Props,
    VIEW3D_MT_booltool_menu,
    VIEW3D_PT_booltool_tools,
    VIEW3D_PT_booltool_config,
    VIEW3D_PT_booltool_bviewer,
    OBJECT_OT_BoolTool_Auto_Union,
    OBJECT_OT_BoolTool_Auto_Difference,
    OBJECT_OT_BoolTool_Auto_Intersect,
    OBJECT_OT_BoolTool_Auto_Slice,
    BTool_Union,
    BTool_Diff,
    BTool_Inters,
    BTool_Slice,
    # TODO Draw Poly Brush
    # BTool_DrawPolyBrush,
    BTool_Remove,
    BTool_AllBrushToMesh,
    BTool_BrushToMesh,
    BTool_FindBrush,
    BTool_MoveStack,
    BTool_EnableBrush,
    BTool_EnableThisBrush,
    BTool_EnableFTransform,
    BTool_FastTransform,
)


# ------------------- REGISTER ------------------------------------------------

addon_keymaps = []
addon_keymapsFastT = []


# Fast Transform HotKeys Register
def RegisterFastT():
    wm = bpy.context.window_manager
    km = wm.keyconfigs.addon.keymaps.new(name="Object Mode", space_type="EMPTY")

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, "G", "PRESS")
    kmi.properties.operator = "Translate"
    addon_keymapsFastT.append((km, kmi))

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, "R", "PRESS")
    kmi.properties.operator = "Rotate"
    addon_keymapsFastT.append((km, kmi))

    kmi = km.keymap_items.new(BTool_FastTransform.bl_idname, "S", "PRESS")
    kmi.properties.operator = "Scale"
    addon_keymapsFastT.append((km, kmi))


# Fast Transform HotKeys UnRegister
def UnRegisterFastT():
    wm = bpy.context.window_manager
    kc = wm.keyconfigs.addon
    if kc:
        for km, kmi in addon_keymapsFastT:
            km.keymap_items.remove(kmi)

    addon_keymapsFastT.clear()


def register():
    for cls in classes:
        bpy.utils.register_class(cls)
    update_panels(None, bpy.context)

    # Scene variables
    bpy.types.Scene.BoolHide = BoolProperty(
        default=False,
        description="Hide boolean objects",
        update=update_BoolHide,
    )
    bpy.types.VIEW3D_MT_object.append(VIEW3D_BoolTool_Menu)

    wm = bpy.context.window_manager
    kc = wm.keyconfigs.addon

    # create the boolean menu hotkey
    if kc is not None:
        km = kc.keymaps.new(name="Object Mode")

        kmi = km.keymap_items.new("wm.call_menu", "B", "PRESS", ctrl=True, shift=True)
        kmi.properties.name = "VIEW3D_MT_booltool_menu"
        addon_keymaps.append((km, kmi))

        # Brush Operators
        kmi = km.keymap_items.new(BTool_Union.bl_idname, "NUMPAD_PLUS", "PRESS", ctrl=True)
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(BTool_Diff.bl_idname, "NUMPAD_MINUS", "PRESS", ctrl=True)
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(BTool_Inters.bl_idname, "NUMPAD_ASTERIX", "PRESS", ctrl=True)
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(BTool_Slice.bl_idname, "NUMPAD_SLASH", "PRESS", ctrl=True)
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(BTool_BrushToMesh.bl_idname, "NUMPAD_ENTER", "PRESS", ctrl=True)
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(
            BTool_AllBrushToMesh.bl_idname,
            "NUMPAD_ENTER",
            "PRESS",
            ctrl=True,
            shift=True,
        )
        addon_keymaps.append((km, kmi))

        # Auto Operators
        kmi = km.keymap_items.new(
            OBJECT_OT_BoolTool_Auto_Union.bl_idname,
            "NUMPAD_PLUS",
            "PRESS",
            ctrl=True,
            shift=True,
        )
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(
            OBJECT_OT_BoolTool_Auto_Difference.bl_idname,
            "NUMPAD_MINUS",
            "PRESS",
            ctrl=True,
            shift=True,
        )
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(
            OBJECT_OT_BoolTool_Auto_Intersect.bl_idname,
            "NUMPAD_ASTERIX",
            "PRESS",
            ctrl=True,
            shift=True,
        )
        addon_keymaps.append((km, kmi))
        kmi = km.keymap_items.new(
            OBJECT_OT_BoolTool_Auto_Slice.bl_idname,
            "NUMPAD_SLASH",
            "PRESS",
            ctrl=True,
            shift=True,
        )
        addon_keymaps.append((km, kmi))


def unregister():
    # Keymapping
    # remove keymaps when add-on is deactivated
    wm = bpy.context.window_manager
    kc = wm.keyconfigs.addon
    if kc is not None:
        for km, kmi in addon_keymaps:
            km.keymap_items.remove(kmi)

    addon_keymaps.clear()
    UnRegisterFastT()
    bpy.types.VIEW3D_MT_object.remove(VIEW3D_BoolTool_Menu)
    del bpy.types.Scene.BoolHide

    for cls in classes:
        bpy.utils.unregister_class(cls)


if __name__ == "__main__":
    register()