370a11342c
`AnimData`, NLA strips, and action constraints all have an `action_slots` field in RNA. The purpose of this field is to list the slots of the currently assigned action (if any) that are suitable for the relevant ID. However, this is not clear from the naming. In particular, given that there is another field `action_slot` that represents the currently assigned slot, the name `action_slots` could be easily misinterpreted as a way to assign multiple slots at once, which is not possible. To help clarify its actual purpose and meaning, this PR renames the field to `action_suitable_slots`. As a bonus, this also ends up decluttering the Python autocomplete when looking for things related to `action_slot`. Ref: #130892 Pull Request: https://projects.blender.org/blender/blender/pulls/130754
152 lines
4.8 KiB
Python
152 lines
4.8 KiB
Python
# SPDX-FileCopyrightText: 2009-2023 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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from bpy.types import Header, Panel
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from rna_prop_ui import PropertyPanel
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class PROPERTIES_HT_header(Header):
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bl_space_type = 'PROPERTIES'
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def draw(self, context):
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layout = self.layout
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view = context.space_data
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region = context.region
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ui_scale = context.preferences.system.ui_scale
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layout.template_header()
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layout.separator_spacer()
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# The following is an ugly attempt to make the search button center-align better visually.
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# A dummy icon is inserted that has to be scaled as the available width changes.
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content_size_est = 160 * ui_scale
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layout_scale = min(1, max(0, (region.width / content_size_est) - 1))
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if layout_scale > 0:
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row = layout.row()
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row.scale_x = layout_scale
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row.label(icon='BLANK1')
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layout.prop(view, "search_filter", icon='VIEWZOOM', text="")
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layout.separator_spacer()
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layout.popover(panel="PROPERTIES_PT_options", text="")
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class PROPERTIES_PT_navigation_bar(Panel):
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'NAVIGATION_BAR'
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bl_label = "Navigation Bar"
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bl_options = {'HIDE_HEADER'}
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def draw(self, context):
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layout = self.layout
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view = context.space_data
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layout.scale_x = 1.4
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layout.scale_y = 1.4
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if view.search_filter:
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layout.prop_tabs_enum(
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view, "context", data_highlight=view,
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property_highlight="tab_search_results", icon_only=True,
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)
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else:
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layout.prop_tabs_enum(view, "context", icon_only=True)
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class PROPERTIES_PT_options(Panel):
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"""Show options for the properties editor"""
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'HEADER'
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bl_label = "Options"
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def draw(self, context):
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layout = self.layout
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space = context.space_data
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col = layout.column()
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col.label(text="Sync with Outliner")
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col.row().prop(space, "outliner_sync", expand=True)
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class PropertiesAnimationMixin:
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"""Mix-in class for Animation panels.
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This class can be used to show a generic 'Animation' panel for IDs shown in
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the properties editor. Specific ID types need specific subclasses.
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For an example, see DATA_PT_camera_animation in properties_data_camera.py
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"""
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'WINDOW'
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bl_context = "data"
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bl_label = "Animation"
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bl_options = {'DEFAULT_CLOSED'}
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bl_order = PropertyPanel.bl_order - 1 # Order just above the Custom Properties.
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_animated_id_context_property = ""
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"""context.{_animatable_id_context_property} is used to find the animated ID."""
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@classmethod
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def _animated_id(cls, context):
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assert cls._animated_id_context_property, "set _animated_id_context_property on {!r}".format(cls)
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# If the pinned ID is of a different type, there could still be a an ID
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# for which to show this panel. For example, a camera object can be
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# pinned, and then this panel can be shown for its camera data.
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return getattr(context, cls._animated_id_context_property, None)
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@classmethod
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def poll(cls, context):
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animated_id = cls._animated_id(context)
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return animated_id is not None
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def draw(self, context):
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layout = self.layout
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col = layout.column(align=True)
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col.use_property_split = True
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col.use_property_decorate = False
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self.draw_action_and_slot_selector(context, col, self._animated_id(context))
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@classmethod
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def draw_action_and_slot_selector(cls, context, layout, animated_id):
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if not animated_id:
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class_list = [c.__name__ for c in cls.mro()]
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print("PropertiesAnimationMixin: no animatable data-block, this is a bug "
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"in one of these classes: {!r}".format(class_list))
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layout.label(text="No animatable data-block, please report as bug", icon='ERROR')
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return
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layout.template_action(animated_id, new="action.new", unlink="action.unlink")
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adt = animated_id.animation_data
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if not adt or not adt.action:
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return
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# Only show the slot selector when a layered Action is assigned.
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if adt.action.is_action_layered:
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layout.context_pointer_set("animated_id", animated_id)
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layout.template_search(
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adt, "action_slot",
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adt, "action_suitable_slots",
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new="anim.slot_new_for_id",
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unlink="anim.slot_unassign_from_id",
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)
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classes = (
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PROPERTIES_HT_header,
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PROPERTIES_PT_navigation_bar,
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PROPERTIES_PT_options,
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)
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if __name__ == "__main__": # only for live edit.
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from bpy.utils import register_class
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for cls in classes:
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register_class(cls)
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