Add the VSE addon Power Sequencer

1 files changed, 88 insertions, 0 deletions

diff --git a/power_sequencer/operators/grab_sequence_handles.py b/power_sequencer/operators/grab_sequence_handles.py
new file mode 100644
index 00000000..e2a38ed1
--- /dev/null
+++ b/power_sequencer/operators/grab_sequence_handles.py
@@ -0,0 +1,88 @@
+#
+# Copyright (C) 2016-2019 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