power_sequencer/operators/cut_strips_under_cursor.py

   1 # SPDX-FileCopyrightText: 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
   2 #
   3 # SPDX-License-Identifier: GPL-3.0-or-later
   4
   5 import bpy
   6
   7 from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
   8 from .utils.functions import get_mouse_frame_and_channel
   9
  10
  11 class POWER_SEQUENCER_OT_split_strips_under_cursor(bpy.types.Operator):
  12     """
  13     Splits all strips under cursor including muted strips, but excluding locked strips.
  14     Auto selects sequences under the time cursor when you don't have a selection
  15     """
  16
  17     doc = {
  18         "name": doc_name(__qualname__),
  19         "demo": "https://i.imgur.com/ZyEd0jD.gif",
  20         "description": doc_description(__doc__),
  21         "shortcuts": [({"type": "K", "value": "PRESS"}, {}, "Cut All Strips Under Cursor")],
  22         "keymap": "Sequencer",
  23     }
  24     bl_idname = doc_idname(__qualname__)
  25     bl_label = doc["name"]
  26     bl_description = doc_brief(doc["description"])
  27     bl_options = {"REGISTER", "UNDO"}
  28
  29     side: bpy.props.EnumProperty(
  30         items=[("LEFT", "", ""), ("RIGHT", "", "")],
  31         name="Side",
  32         default="LEFT",
  33         options={"HIDDEN"},
  34     )
  35
  36     @classmethod
  37     def poll(cls, context):
  38         return context.sequences
  39
  40     def invoke(self, context, event):
  41         frame, channel = get_mouse_frame_and_channel(context, event)
  42         self.side = "LEFT" if frame < context.scene.frame_current else "RIGHT"
  43         return self.execute(context)
  44
  45     def execute(self, context):
  46         # Deselect to trigger a call to select_strips_under_cursor below if the
  47         # time cursor doesn't overlap any of the selected strip: if so, it
  48         # can't cut anything!
  49         deselect = True
  50         for s in bpy.context.selected_sequences:
  51             if s.frame_final_start <= context.scene.frame_current <= s.frame_final_end:
  52                 deselect = False
  53         if deselect:
  54             bpy.ops.sequencer.select_all(action="DESELECT")
  55         (context.selected_sequences or bpy.ops.power_sequencer.select_strips_under_cursor())
  56         return bpy.ops.sequencer.split(frame=context.scene.frame_current, side=self.side)