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test2/scripts/startup/bl_ui/space_graph.py
Pablo Vazquez 35bcbad7e9 UI: Add Footer to Animation & VSE Editors 
Add a footer region which contains essentially the playback and frame
range buttons from the Timeline Editor, to the following editors:
- Dope Sheet
- Graph
- NLA
- Sequencer

Available in the View menu in each editor, hidden by default.

The motivation is to provide a convenient way to access these
often used controls, and in the near future adjust these footers
to add more playback functionality related to each editor.

See PR for details and screenshots.

Pull Request: https://projects.blender.org/blender/blender/pulls/135697
2025-06-19 15:54:53 +02:00

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# SPDX-FileCopyrightText: 2009-2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
from bpy.types import Header, Menu, Panel
from bpy.app.translations import contexts as i18n_contexts
from bl_ui.space_dopesheet import (
DopesheetFilterPopoverBase,
dopesheet_filter,
)
from bl_ui.space_time import playback_controls
from bl_ui.utils import (
PlayheadSnappingPanel,
)
class GRAPH_PT_playhead_snapping(PlayheadSnappingPanel, Panel):
bl_space_type = 'GRAPH_EDITOR'
def drivers_editor_footer(layout, context):
act_fcurve = context.active_editable_fcurve
if not act_fcurve:
return
act_driver = act_fcurve.driver
if not act_driver:
return
layout.separator_spacer()
layout.label(text="Driver: {!s} ({!s})".format(act_fcurve.id_data.name, act_fcurve.data_path))
if act_driver.variables:
layout.separator(type='LINE')
layout.label(text="Variables: %i" % len(act_driver.variables))
if act_driver.type == 'SCRIPTED' and act_driver.expression:
layout.separator(type='LINE')
layout.label(text="Expression: %s" % act_driver.expression)
class GRAPH_HT_header(Header):
bl_space_type = 'GRAPH_EDITOR'
def draw(self, context):
layout = self.layout
tool_settings = context.tool_settings
st = context.space_data
layout.template_header()
# Now a exposed as a sub-space type
# layout.prop(st, "mode", text="")
GRAPH_MT_editor_menus.draw_collapsible(context, layout)
row = layout.row(align=True)
row.prop(st, "use_normalization", icon='NORMALIZE_FCURVES', text="Normalize", toggle=True)
sub = row.row(align=True)
sub.active = st.use_normalization
sub.prop(st, "use_auto_normalization", icon='FILE_REFRESH', text="", toggle=True)
layout.separator_spacer()
dopesheet_filter(layout, context)
row = layout.row(align=True)
if st.has_ghost_curves:
row.operator("graph.ghost_curves_clear", text="", icon='X')
else:
row.operator("graph.ghost_curves_create", text="", icon='FCURVE_SNAPSHOT')
layout.popover(
panel="GRAPH_PT_filters",
text="",
icon='FILTER',
)
layout.prop(st, "pivot_point", icon_only=True)
row = layout.row(align=True)
if context.space_data.mode == 'DRIVERS':
row.prop(tool_settings, "use_snap_driver", text="")
sub = row.row(align=True)
sub.popover(
panel="GRAPH_PT_driver_snapping",
text="",
)
else:
row.prop(tool_settings, "use_snap_anim", text="")
sub = row.row(align=True)
sub.popover(
panel="GRAPH_PT_snapping",
text="",
)
layout.popover(panel="GRAPH_PT_playhead_snapping")
row = layout.row(align=True)
row.prop(tool_settings, "use_proportional_fcurve", text="", icon_only=True)
sub = row.row(align=True)
sub.active = tool_settings.use_proportional_fcurve
sub.prop_with_popover(
tool_settings,
"proportional_edit_falloff",
text="",
icon_only=True,
panel="GRAPH_PT_proportional_edit",
)
class GRAPH_HT_playback_controls(Header):
bl_space_type = 'GRAPH_EDITOR'
bl_region_type = 'FOOTER'
def draw(self, context):
layout = self.layout
is_drivers_editor = context.space_data.mode == 'DRIVERS'
if is_drivers_editor:
drivers_editor_footer(layout, context)
else:
playback_controls(layout, context)
class GRAPH_PT_proportional_edit(Panel):
bl_space_type = 'GRAPH_EDITOR'
bl_region_type = 'HEADER'
bl_label = "Proportional Editing"
bl_ui_units_x = 8
def draw(self, context):
layout = self.layout
tool_settings = context.tool_settings
col = layout.column()
col.active = tool_settings.use_proportional_fcurve
col.prop(tool_settings, "proportional_edit_falloff", expand=True)
col.prop(tool_settings, "proportional_size")
class GRAPH_PT_filters(DopesheetFilterPopoverBase, Panel):
bl_space_type = 'GRAPH_EDITOR'
bl_region_type = 'HEADER'
bl_label = "Filters"
def draw(self, context):
layout = self.layout
st = context.space_data
DopesheetFilterPopoverBase.draw_generic_filters(context, layout)
layout.separator()
DopesheetFilterPopoverBase.draw_search_filters(context, layout)
layout.separator()
DopesheetFilterPopoverBase.draw_standard_filters(context, layout)
if st.mode == 'DRIVERS':
layout.separator()
col = layout.column(align=True)
col.label(text="Drivers:")
col.prop(st.dopesheet, "show_driver_fallback_as_error")
class GRAPH_PT_snapping(Panel):
bl_space_type = 'GRAPH_EDITOR'
bl_region_type = 'HEADER'
bl_label = "Snapping"
def draw(self, context):
layout = self.layout
col = layout.column()
col.label(text="Snap To")
tool_settings = context.tool_settings
col.prop(tool_settings, "snap_anim_element", expand=True)
if tool_settings.snap_anim_element != 'MARKER':
col.prop(tool_settings, "use_snap_time_absolute")
class GRAPH_PT_driver_snapping(Panel):
bl_space_type = 'GRAPH_EDITOR'
bl_region_type = 'HEADER'
bl_label = "Snapping"
def draw(self, context):
layout = self.layout
col = layout.column()
tool_settings = context.tool_settings
col.prop(tool_settings, "use_snap_driver_absolute")
class GRAPH_MT_editor_menus(Menu):
bl_idname = "GRAPH_MT_editor_menus"
bl_label = ""
def draw(self, context):
st = context.space_data
layout = self.layout
layout.menu("GRAPH_MT_view")
layout.menu("GRAPH_MT_select")
if st.mode != 'DRIVERS' and st.show_markers:
layout.menu("GRAPH_MT_marker")
layout.menu("GRAPH_MT_channel")
layout.menu("GRAPH_MT_key")
class GRAPH_MT_view(Menu):
bl_label = "View"
def draw(self, context):
layout = self.layout
st = context.space_data
layout.prop(st, "show_region_ui")
layout.prop(st, "show_region_hud")
layout.prop(st, "show_region_channels")
layout.prop(st, "show_region_footer")
layout.separator()
layout.operator("graph.view_selected")
layout.operator("graph.view_all")
if context.scene.use_preview_range:
layout.operator("anim.scene_range_frame", text="Frame Preview Range")
else:
layout.operator("anim.scene_range_frame", text="Frame Scene Range")
layout.operator("graph.view_frame")
layout.separator()
layout.prop(st, "use_realtime_update")
layout.prop(st, "show_sliders")
layout.prop(st, "use_auto_merge_keyframes")
layout.prop(st, "use_auto_lock_translation_axis")
layout.separator()
if st.mode != 'DRIVERS':
layout.prop(st, "show_markers")
layout.prop(st, "show_cursor")
layout.prop(st, "show_seconds")
layout.prop(st, "show_locked_time")
layout.separator()
layout.prop(st, "show_extrapolation")
layout.prop(st, "show_handles")
layout.prop(st, "use_only_selected_keyframe_handles")
layout.separator()
layout.operator("anim.previewrange_set")
layout.operator("anim.previewrange_clear")
layout.operator("graph.previewrange_set")
layout.separator()
# Add this to show key-binding (reverse action in dope-sheet).
props = layout.operator("wm.context_set_enum", text="Toggle Dope Sheet")
props.data_path = "area.type"
props.value = 'DOPESHEET_EDITOR'
layout.separator()
layout.menu("INFO_MT_area")
class GRAPH_MT_select(Menu):
bl_label = "Select"
def draw(self, _context):
layout = self.layout
layout.operator("graph.select_all", text="All").action = 'SELECT'
layout.operator("graph.select_all", text="None").action = 'DESELECT'
layout.operator("graph.select_all", text="Invert").action = 'INVERT'
layout.separator()
layout.operator("graph.select_box", text="Box Select (Include Handles)")
props = layout.operator("graph.select_box", text="Box Select (Axis Range)")
props.axis_range = True
props = layout.operator("graph.select_box")
props.include_handles = False
layout.operator("graph.select_circle")
layout.operator_menu_enum("graph.select_lasso", "mode")
layout.separator()
layout.operator("graph.select_more", text="More")
layout.operator("graph.select_less", text="Less")
layout.separator()
layout.operator("graph.select_linked")
layout.separator()
layout.operator("graph.select_column", text="Columns on Selected Keys").mode = 'KEYS'
layout.operator("graph.select_column", text="Column on Current Frame").mode = 'CFRA'
layout.operator("graph.select_column", text="Columns on Selected Markers").mode = 'MARKERS_COLUMN'
layout.operator("graph.select_column", text="Between Selected Markers").mode = 'MARKERS_BETWEEN'
layout.separator()
props = layout.operator("graph.select_leftright", text="Before Current Frame")
props.extend = False
props.mode = 'LEFT'
props = layout.operator("graph.select_leftright", text="After Current Frame")
props.extend = False
props.mode = 'RIGHT'
layout.separator()
props = layout.operator("graph.select_key_handles", text="Select Handles")
props.left_handle_action = 'SELECT'
props.right_handle_action = 'SELECT'
props.key_action = 'KEEP'
props = layout.operator("graph.select_key_handles", text="Select Key")
props.left_handle_action = 'DESELECT'
props.right_handle_action = 'DESELECT'
props.key_action = 'SELECT'
class GRAPH_MT_marker(Menu):
bl_label = "Marker"
def draw(self, context):
layout = self.layout
from bl_ui.space_time import marker_menu_generic
marker_menu_generic(layout, context)
# TODO: pose markers for action edit mode only?
class GRAPH_MT_channel(Menu):
bl_label = "Channel"
def draw(self, context):
layout = self.layout
operator_context = layout.operator_context
layout.operator_context = 'INVOKE_REGION_CHANNELS'
layout.operator("anim.channels_delete")
if context.space_data.mode == 'DRIVERS':
layout.operator("graph.driver_delete_invalid")
layout.separator()
layout.operator("anim.channels_group")
layout.operator("anim.channels_ungroup")
layout.separator()
layout.operator_menu_enum("anim.channels_setting_toggle", "type")
layout.operator_menu_enum("anim.channels_setting_enable", "type")
layout.operator_menu_enum("anim.channels_setting_disable", "type")
layout.separator()
layout.operator("anim.channels_editable_toggle")
layout.operator_menu_enum("graph.extrapolation_type", "type", text="Extrapolation Mode")
# To get it to display the hotkey.
layout.operator_context = operator_context
layout.operator_menu_enum("graph.fmodifier_add", "type").only_active = False
layout.operator_context = 'INVOKE_REGION_CHANNELS'
layout.separator()
layout.operator("graph.hide", text="Hide Selected Curves").unselected = False
layout.operator("graph.hide", text="Hide Unselected Curves").unselected = True
layout.operator("graph.reveal")
layout.separator()
layout.operator("anim.channels_expand")
layout.operator("anim.channels_collapse")
layout.separator()
layout.operator_menu_enum("anim.channels_move", "direction", text="Move...")
layout.separator()
layout.operator("anim.channels_fcurves_enable")
layout.separator()
layout.operator("graph.keys_to_samples")
layout.operator("graph.samples_to_keys")
layout.operator("graph.sound_to_samples")
layout.operator("anim.channels_bake")
layout.separator()
layout.operator("graph.euler_filter", text="Discontinuity (Euler) Filter")
layout.separator()
layout.operator("anim.channels_view_selected")
class GRAPH_MT_key_density(Menu):
bl_label = "Density"
def draw(self, _context):
from bl_ui_utils.layout import operator_context
layout = self.layout
layout.operator("graph.decimate", text="Decimate (Ratio)").mode = 'RATIO'
# Using the modal operation doesn't make sense for this variant
# as we do not have a modal mode for it, so just execute it.
with operator_context(layout, 'EXEC_REGION_WIN'):
layout.operator("graph.decimate", text="Decimate (Allowed Change)").mode = 'ERROR'
layout.operator("graph.bake_keys")
layout.separator()
layout.operator("graph.clean").channels = False
class GRAPH_MT_key_blending(Menu):
bl_label = "Blend"
bl_translation_context = i18n_contexts.operator_default
def draw(self, _context):
layout = self.layout
layout.operator_context = 'INVOKE_DEFAULT'
layout.operator("graph.breakdown", text="Breakdown")
layout.operator("graph.blend_to_neighbor", text="Blend to Neighbor")
layout.operator("graph.blend_to_default", text="Blend to Default Value")
layout.operator("graph.ease", text="Ease")
layout.operator("graph.blend_offset", text="Blend Offset")
layout.operator("graph.blend_to_ease", text="Blend to Ease")
layout.operator("graph.match_slope", text="Match Slope")
layout.operator("graph.push_pull", text="Push Pull")
layout.operator("graph.shear", text="Shear Keys")
layout.operator("graph.scale_average", text="Scale Average")
layout.operator("graph.scale_from_neighbor", text="Scale from Neighbor")
layout.operator("graph.time_offset", text="Time Offset")
class GRAPH_MT_key_smoothing(Menu):
bl_label = "Smooth"
bl_translation_context = i18n_contexts.operator_default
def draw(self, _context):
layout = self.layout
layout.operator_context = 'INVOKE_DEFAULT'
layout.operator("graph.gaussian_smooth", text="Smooth (Gaussian)")
layout.operator("graph.smooth", text="Smooth (Legacy)")
layout.operator("graph.butterworth_smooth")
class GRAPH_MT_key(Menu):
bl_label = "Key"
def draw(self, _context):
layout = self.layout
layout.menu("GRAPH_MT_key_transform", text="Transform")
layout.menu("GRAPH_MT_key_snap", text="Snap")
layout.operator_menu_enum("graph.mirror", "type", text="Mirror")
layout.separator()
layout.operator("graph.frame_jump", text="Jump to Selected")
layout.separator()
layout.operator_menu_enum("graph.keyframe_insert", "type", text="Insert")
layout.operator("graph.copy", text="Copy")
layout.operator("graph.paste", text="Paste")
layout.operator("graph.paste", text="Paste Flipped").flipped = True
layout.operator("graph.duplicate_move")
layout.operator("graph.delete", text="Delete")
layout.separator()
layout.operator_menu_enum("graph.handle_type", "type", text="Handle Type")
layout.operator_menu_enum("graph.interpolation_type", "type", text="Interpolation Mode")
layout.operator_menu_enum("graph.easing_type", "type", text="Easing Type")
layout.separator()
layout.menu("GRAPH_MT_key_density")
layout.menu("GRAPH_MT_key_blending")
layout.menu("GRAPH_MT_key_smoothing")
class GRAPH_MT_key_transform(Menu):
bl_label = "Transform"
def draw(self, _context):
layout = self.layout
layout.operator("transform.translate", text="Move")
layout.operator("transform.transform", text="Extend").mode = 'TIME_EXTEND'
layout.operator("transform.rotate", text="Rotate")
layout.operator("transform.resize", text="Scale")
class GRAPH_MT_key_snap(Menu):
bl_label = "Snap"
def draw(self, _context):
layout = self.layout
layout.operator("graph.snap", text="Selection to Current Frame").type = 'CFRA'
layout.operator("graph.snap", text="Selection to Cursor Value").type = 'VALUE'
layout.operator("graph.snap", text="Selection to Nearest Frame").type = 'NEAREST_FRAME'
layout.operator("graph.snap", text="Selection to Nearest Second").type = 'NEAREST_SECOND'
layout.operator("graph.snap", text="Selection to Nearest Marker").type = 'NEAREST_MARKER'
layout.operator("graph.snap", text="Flatten Handles").type = 'HORIZONTAL'
layout.operator("graph.equalize_handles", text="Equalize Handles").side = 'BOTH'
layout.separator()
layout.operator("graph.frame_jump", text="Cursor to Selection")
layout.operator("graph.snap_cursor_value", text="Cursor Value to Selection")
class GRAPH_MT_view_pie(Menu):
bl_label = "View"
def draw(self, context):
layout = self.layout
pie = layout.menu_pie()
pie.operator("graph.view_all")
pie.operator("graph.view_selected", icon='ZOOM_SELECTED')
pie.operator("graph.view_frame")
if context.scene.use_preview_range:
pie.operator("anim.scene_range_frame", text="Frame Preview Range")
else:
pie.operator("anim.scene_range_frame", text="Frame Scene Range")
class GRAPH_MT_delete(Menu):
bl_label = "Delete"
def draw(self, _context):
layout = self.layout
layout.operator("graph.delete")
layout.separator()
layout.operator("graph.clean").channels = False
layout.operator("graph.clean", text="Clean Channels").channels = True
class GRAPH_MT_context_menu(Menu):
bl_label = "F-Curve"
def draw(self, _context):
layout = self.layout
layout.operator_context = 'INVOKE_DEFAULT'
layout.operator("graph.copy", text="Copy", icon='COPYDOWN')
layout.operator("graph.paste", text="Paste", icon='PASTEDOWN')
layout.operator("graph.paste", text="Paste Flipped", icon='PASTEFLIPDOWN').flipped = True
layout.separator()
layout.operator_menu_enum("graph.handle_type", "type", text="Handle Type")
layout.operator_menu_enum("graph.interpolation_type", "type", text="Interpolation Mode")
layout.operator_menu_enum("graph.easing_type", "type", text="Easing Type")
layout.separator()
layout.operator("graph.keyframe_insert").type = 'SEL'
layout.operator("graph.duplicate_move")
layout.operator_context = 'EXEC_REGION_WIN'
layout.operator("graph.delete")
layout.separator()
layout.operator_menu_enum("graph.mirror", "type", text="Mirror")
layout.operator_menu_enum("graph.snap", "type", text="Snap")
class GRAPH_MT_pivot_pie(Menu):
bl_label = "Pivot Point"
def draw(self, context):
layout = self.layout
pie = layout.menu_pie()
pie.prop_enum(context.space_data, "pivot_point", value='BOUNDING_BOX_CENTER')
pie.prop_enum(context.space_data, "pivot_point", value='CURSOR')
pie.prop_enum(context.space_data, "pivot_point", value='INDIVIDUAL_ORIGINS')
class GRAPH_MT_snap_pie(Menu):
bl_label = "Snap"
def draw(self, _context):
layout = self.layout
pie = layout.menu_pie()
pie.operator("graph.snap", text="Selection to Current Frame").type = 'CFRA'
pie.operator("graph.snap", text="Selection to Cursor Value").type = 'VALUE'
pie.operator("graph.snap", text="Selection to Nearest Frame").type = 'NEAREST_FRAME'
pie.operator("graph.snap", text="Selection to Nearest Second").type = 'NEAREST_SECOND'
pie.operator("graph.snap", text="Selection to Nearest Marker").type = 'NEAREST_MARKER'
pie.operator("graph.snap", text="Flatten Handles").type = 'HORIZONTAL'
pie.operator("graph.frame_jump", text="Cursor to Selection")
pie.operator("graph.snap_cursor_value", text="Cursor Value to Selection")
classes = (
GRAPH_HT_header,
GRAPH_HT_playback_controls,
GRAPH_PT_proportional_edit,
GRAPH_MT_editor_menus,
GRAPH_MT_view,
GRAPH_MT_select,
GRAPH_MT_marker,
GRAPH_MT_channel,
GRAPH_MT_key,
GRAPH_MT_key_density,
GRAPH_MT_key_transform,
GRAPH_MT_key_snap,
GRAPH_MT_key_smoothing,
GRAPH_MT_key_blending,
GRAPH_MT_delete,
GRAPH_MT_context_menu,
GRAPH_MT_pivot_pie,
GRAPH_MT_snap_pie,
GRAPH_MT_view_pie,
GRAPH_PT_filters,
GRAPH_PT_snapping,
GRAPH_PT_driver_snapping,
GRAPH_PT_playhead_snapping,
)
if __name__ == "__main__": # only for live edit.
from bpy.utils import register_class
for cls in classes:
register_class(cls)
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