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#
# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
#
# This file is part of Power Sequencer.
#
# Power Sequencer 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.
#
# Power Sequencer 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 Power Sequencer. If
# not, see <https://www.gnu.org/licenses/>.
#
import bpy
from .utils.global_settings import SequenceTypes
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
class POWER_SEQUENCER_OT_grab_sequence_handles(bpy.types.Operator):
"""
*brief* Grabs the sequence's handle based on the mouse position
Extends the sequence based on the mouse position. If the cursor is to the
right of the sequence's middle, it moves the right handle. If it's on the
left side, it moves the left handle.
"""
doc = {
"name": doc_name(__qualname__),
"demo": "",
"description": doc_description(__doc__),
"shortcuts": [
({"type": "G", "value": "PRESS", "shift": True}, {}, "Grab sequence handles")
],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
always_find_closest: bpy.props.BoolProperty(name="Always find closest", default=False)
frame: bpy.props.IntProperty(name="Frame", default=-1, options={"HIDDEN"})
channel: bpy.props.IntProperty(name="Channel", default=-1, options={"HIDDEN"})
@classmethod
def poll(cls, context):
return context.sequences
def invoke(self, context, event):
self.frame, self.channel = context.region.view2d.region_to_view(
x=event.mouse_region_x, y=event.mouse_region_y
)
return self.execute(context)
def execute(self, context):
selection = context.selected_sequences
if self.always_find_closest or not selection:
if self.frame == -1:
return {"CANCELLED"}
bpy.ops.power_sequencer.select_closest_to_mouse(frame=self.frame, channel=self.channel)
for s in context.selected_sequences:
self.select_closest_handle(s)
else:
bpy.ops.sequencer.select_all(action="DESELECT")
for s in selection:
if s.type in SequenceTypes.EFFECT and not s.type == "COLOR":
self.select_closest_handle(s.input_1)
try:
self.select_closest_handle(s.input_2)
except AttributeError:
pass
else:
self.select_closest_handle(s)
return bpy.ops.transform.seq_slide("INVOKE_DEFAULT")
def select_closest_handle(self, sequence):
middle = sequence.frame_final_start + sequence.frame_final_duration / 2
if self.frame >= middle:
sequence.select_right_handle = True
else:
sequence.select_left_handle = True
sequence.select = True
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