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blender-portable-repo/scripts/addons/RetopoFlow/retopoflow/rfwidgets/rfwidget_selectbox.py
T
2026-03-17 14:30:01 -06:00

124 lines
4.7 KiB
Python

'''
Copyright (C) 2023 CG Cookie
http://cgcookie.com
hello@cgcookie.com
Created by Jonathan Denning, Jonathan Williamson
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import math
import random
from mathutils import Matrix, Vector
from ..rfwidget import RFWidget
from ...addon_common.common import gpustate
from ...addon_common.common.fsm import FSM
from ...addon_common.common.globals import Globals
from ...addon_common.common.blender import tag_redraw_all
from ...addon_common.common.drawing import DrawCallbacks
from ...addon_common.common.maths import Vec, Point, Point2D, Direction, Color
from ...config.options import themes
'''
RFWidget_LineCut handles a line cut in screen space.
When cutting, a line segment is drawn from mouse down to current mouse position with a small circle at the very center
'''
class RFWidget_SelectBox_Factory:
'''
This function is a class factory. It is needed, because the FSM is shared across instances.
RFTools might need to share RFWidgets that are independent of each other.
'''
@staticmethod
def create(action_name, *, set_color=None, add_color=None, del_color=None):
class RFWidget_SelectBox(RFWidget):
rfw_name = 'Select Box'
rfw_cursor = 'CROSSHAIR'
@RFWidget.on_init
def init(self):
self.action_name = action_name
self.box2D = [None, None]
self.set_color = set_color or themes['set select']
self.add_color = add_color or themes['add select']
self.del_color = del_color or themes['del select']
@FSM.on_state('main')
def modal_main(self):
if self.actions.pressed({'select box'}, ignoremods=True):
return 'box'
def quickselect_start(self):
self._fsm.force_set_state('box')
@FSM.on_state('box', 'enter')
def modal_line_enter(self):
self.box2D = [self.actions.mouse, None]
self.mods = None
tag_redraw_all('Line line_enter')
@FSM.on_state('box')
def modal_line(self):
if self.actions.released('select box', ignoremods=True):
self.callback_actions(self.action_name)
return 'main'
if self.actions.pressed('cancel'):
self.box2D = [None, None]
self.actions.unuse('select box', ignoremods=True, ignoremulti=True)
return 'main'
new_mods = {
'ctrl': self.actions.ctrl,
'alt': self.actions.alt,
'shift': self.actions.shift,
'oskey': self.actions.oskey,
}
if self.box2D[1] != self.actions.mouse or new_mods != self.mods:
self.box2D[1] = self.actions.mouse
self.mods = new_mods
tag_redraw_all('boxing')
self.callback_actioning(self.action_name)
@FSM.on_state('box', 'exit')
def modal_line_exit(self):
tag_redraw_all('Line line_exit')
@DrawCallbacks.on_draw('post2d')
@FSM.onlyinstate('box')
def draw_line(self):
#cr,cg,cb,ca = self.line_color
p0,p1 = self.box2D
if not p0 or not p1: return
x0, y0 = p0
x1, y1 = p1
if self.mods['ctrl']: c = self.del_color
elif self.mods['shift']: c = self.add_color
else: c = self.set_color
gpustate.blend('ALPHA')
Globals.drawing.draw2D_line((x0, y0), (x1, y0), c, width=1, stipple=[2, 2]) # self.line_color)
Globals.drawing.draw2D_line((x1, y0), (x1, y1), c, width=1, stipple=[2, 2]) # self.line_color)
Globals.drawing.draw2D_line((x1, y1), (x0, y1), c, width=1, stipple=[2, 2]) # self.line_color)
Globals.drawing.draw2D_line((x0, y1), (x0, y0), c, width=1, stipple=[2, 2]) # self.line_color)
return RFWidget_SelectBox