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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
from operator import attrgetter
import bpy
from .utils.doc import doc_brief, doc_description, doc_idname, doc_name
class POWER_SEQUENCER_OT_trim_left_or_right_handles(bpy.types.Operator):
"""
Trims or extends the handle closest to the time cursor for all selected strips.
If you keep the Shift key down, the edit will ripple through the timeline.
Auto selects sequences under the time cursor when you don't have a selection
"""
doc = {
"name": doc_name(__qualname__),
"demo": "",
"description": doc_description(__doc__),
"shortcuts": [
(
{"type": "K", "value": "PRESS", "alt": True},
{"side": "RIGHT", "ripple": False},
"Smart Snap Right",
),
(
{"type": "K", "value": "PRESS", "alt": True, "shift": True},
{"side": "RIGHT", "ripple": True},
"Smart Snap Right With Ripple",
),
(
{"type": "K", "value": "PRESS", "ctrl": True},
{"side": "LEFT", "ripple": False},
"Smart Snap Left",
),
(
{"type": "K", "value": "PRESS", "ctrl": True, "shift": True},
{"side": "LEFT", "ripple": True},
"Smart Snap Left With Ripple",
),
],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
side: bpy.props.EnumProperty(
items=[("LEFT", "Left", "Left side"), ("RIGHT", "Right", "Right side")],
name="Snap side",
description="Handle side to use for the snap",
default="LEFT",
)
ripple: bpy.props.BoolProperty(name="Ripple", default=False)
@classmethod
def poll(cls, context):
return context.sequences
def execute(self, context):
frame_current = context.scene.frame_current
# Only select sequences under the time cursor
sequences = context.selected_sequences if context.selected_sequences else context.sequences
for s in sequences:
s.select = s.frame_final_start <= frame_current and s.frame_final_end >= frame_current
sequences = [s for s in sequences if s.select]
if not sequences:
return {"FINISHED"}
for s in sequences:
if self.side == "LEFT":
s.select_left_handle = True
if self.side == "RIGHT":
s.select_right_handle = True
# If trimming from the left, we need to save the start frame before trimming
ripple_start_frame = 0
if self.ripple and self.side == "LEFT":
ripple_start_frame = min(
sequences, key=attrgetter("frame_final_start")
).frame_final_start
bpy.ops.sequencer.snap(frame=frame_current)
for s in sequences:
s.select_right_handle = False
s.select_left_handle = False
if self.ripple and sequences:
if self.side == "RIGHT":
ripple_start_frame = max(
sequences, key=attrgetter("frame_final_end")
).frame_final_end
bpy.ops.power_sequencer.gap_remove(frame=ripple_start_frame)
else:
bpy.ops.power_sequencer.gap_remove(frame=ripple_start_frame)
return {"FINISHED"}
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