hardops / src / operator / tool / object / grab.py

import bpy
import gpu
from gpu_extras.batch import batch_for_shader
from mathutils import Vector
from math import cos, sin, pi

from .. shader import grab
from .. dots import update
from ..... utility import addon
from ..... utils.blender_ui import get_dpi_factor


class HOPS_OT_dots_grab(bpy.types.Operator):
    bl_idname = "hops.dots_grab"
    bl_label = "Adjust Hopstool Dots"
    bl_options = {"REGISTER", "UNDO", "GRAB_CURSOR"}
    bl_description = """Adjust Hopstool Dots"""

    def invoke(self, context, event):
        self.mouse = event.mouse_region_x, event.mouse_region_y
        grab.handler = bpy.types.SpaceView3D.draw_handler_add(grab, (self, context), "WINDOW", "POST_PIXEL")

        context.window_manager.modal_handler_add(self)
        return {"RUNNING_MODAL"}

    def modal(self, context, event):

        self.mouse = addon.preference().property.dots_x, addon.preference().property.dots_y = event.mouse_region_x, event.mouse_region_y

        context.area.header_text_set("Dots Grab")

        if event.type == 'LEFTMOUSE':
            if event.value == 'RELEASE':
                context.area.header_text_set(text=None)
                grab.remove(self)
                return {'FINISHED'}

        if event.type in ("ESC", "RIGHTMOUSE"):
            context.area.header_text_set(text=None)
            grab.remove(self)
            return {'CANCELLED'}

        context.area.tag_redraw()
        return {'RUNNING_MODAL'}