1 files changed, 86 insertions, 0 deletions
diff --git a/power_sequencer/operators/deselect_all_left_or_right.py b/power_sequencer/operators/deselect_all_left_or_right.py
new file mode 100644
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--- /dev/null
+++ b/power_sequencer/operators/deselect_all_left_or_right.py
@@ -0,0 +1,86 @@
+#
+# 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.doc import doc_name, doc_idname, doc_brief, doc_description
+
+
+class POWER_SEQUENCER_OT_deselect_all_strips_left_or_right(bpy.types.Operator):
+    """
+    Deselects all the strips at the left or right of the time cursor, based on the position
+    of the mouse
+    """
+
+    doc = {
+        "name": doc_name(__qualname__),
+        "demo": "",
+        "description": doc_description(__doc__),
+        "shortcuts": [
+            (
+                {"type": "Q", "value": "PRESS", "alt": True},
+                {"side": "left"},
+                "Deselect all strips to the left of the time cursor",
+            ),
+            (
+                {"type": "E", "value": "PRESS", "alt": True},
+                {"side": "right"},
+                "Deselect all strips to the right of the time cursor",
+            ),
+        ],
+        "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(
+        name="Side",
+        description="The side to deselect",
+        items=[
+            (
+                "mouse",
+                "Mouse position",
+                ("Deselect based on the mouse position relative to the" " time cursor"),
+            ),
+            ("left", "Left", "Left of the time cursor"),
+            ("right", "Right", "Right of the time cursor"),
+        ],
+        default="mouse",
+    )
+
+    @classmethod
+    def poll(cls, context):
+        return context.selected_sequences
+
+    def invoke(self, context, event):
+        frame_current = context.scene.frame_current
+        frame_mouse = context.region.view2d.region_to_view(event.mouse_region_x, 1)[0]
+
+        for s in context.sequences:
+            if self.side == "left" or frame_mouse < frame_current and self.side == "mouse":
+                if s.frame_final_end < frame_current:
+                    self.deselect(s)
+            elif self.side == "right" or frame_mouse >= frame_current and self.side == "mouse":
+                if s.frame_final_start >= frame_current:
+                    self.deselect(s)
+        return {"FINISHED"}
+
+    def deselect(self, strip):
+        strip.select = False
+        strip.select_left_handle = False
+        strip.select_right_handle = False