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test2/source/blender/editors/space_graph/graph_intern.h
Christoph Lendenfeld 01927e1e45 Anim: Time Offset Slider 
This patch has been originally authored by Ares Deveaux #106520
I am just finishing it up.

This is a new operator for the Graph Editor.
It shifts the value of the keys in time,
while keeping the actual key positions in the same place.
It supports wrapping, so when offsetting beyond the range
of the F-Curve it will take values from the other end,
but offset in y-value so there is no jump.

This works best with dense key data.

Co-authored-by: Ares Deveaux <aresdevo@gmail.com>
Pull Request: https://projects.blender.org/blender/blender/pulls/110540
2023-09-21 15:11:16 +02:00

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/* SPDX-FileCopyrightText: 2008 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup spgraph
*/
#pragma once
struct ARegion;
struct ARegionType;
struct SpaceGraph;
struct bAnimContext;
struct bAnimListElem;
struct bContext;
#ifdef __cplusplus
extern "C" {
#endif
/* internal exports only */
/* ***************************************** */
/* `graph_draw.cc` */
/**
* Left hand part.
*/
void graph_draw_channel_names(struct bContext *C, struct bAnimContext *ac, struct ARegion *region);
/**
* This is called twice from `space_graph.cc`, #graph_main_region_draw()
* Unselected then selected F-Curves are drawn so that they do not occlude each other.
*/
void graph_draw_curves(struct bAnimContext *ac,
struct SpaceGraph *sipo,
struct ARegion *region,
short sel);
/**
* Draw the 'ghost' F-Curves (i.e. snapshots of the curve)
* \note unit mapping has already been applied to the values, so do not try and apply again.
*/
void graph_draw_ghost_curves(struct bAnimContext *ac,
struct SpaceGraph *sipo,
struct ARegion *region);
/* ***************************************** */
/* `graph_select.cc` */
/**
* Deselects keyframes in the Graph Editor
* - This is called by the deselect all operator, as well as other ones!
*
* - test: check if select or deselect all
* - sel: how to select keyframes
* 0 = deselect
* 1 = select
* 2 = invert
* - do_channels: whether to affect selection status of channels
*/
void deselect_graph_keys(struct bAnimContext *ac, bool test, short sel, bool do_channels);
void GRAPH_OT_select_all(struct wmOperatorType *ot);
void GRAPH_OT_select_box(struct wmOperatorType *ot);
void GRAPH_OT_select_lasso(struct wmOperatorType *ot);
void GRAPH_OT_select_circle(struct wmOperatorType *ot);
void GRAPH_OT_select_column(struct wmOperatorType *ot);
void GRAPH_OT_select_linked(struct wmOperatorType *ot);
void GRAPH_OT_select_more(struct wmOperatorType *ot);
void GRAPH_OT_select_less(struct wmOperatorType *ot);
void GRAPH_OT_select_leftright(struct wmOperatorType *ot);
void GRAPH_OT_select_key_handles(struct wmOperatorType *ot);
void GRAPH_OT_clickselect(struct wmOperatorType *ot);
/* defines for left-right select tool */
enum eGraphKeys_LeftRightSelect_Mode {
GRAPHKEYS_LRSEL_TEST = 0,
GRAPHKEYS_LRSEL_LEFT,
GRAPHKEYS_LRSEL_RIGHT,
};
/* Defines for key/handles selection. */
enum eGraphKey_SelectKeyHandles_Action {
GRAPHKEYS_KEYHANDLESSEL_SELECT = 0,
GRAPHKEYS_KEYHANDLESSEL_DESELECT,
/* Leave the selection status as-is. */
GRAPHKEYS_KEYHANDLESSEL_KEEP,
};
/* defines for column-select mode */
enum eGraphKeys_ColumnSelect_Mode {
GRAPHKEYS_COLUMNSEL_KEYS = 0,
GRAPHKEYS_COLUMNSEL_CFRA,
GRAPHKEYS_COLUMNSEL_MARKERS_COLUMN,
GRAPHKEYS_COLUMNSEL_MARKERS_BETWEEN,
};
/* ***************************************** */
/* `graph_edit.cc` */
/**
* Get the min/max keyframes.
* \note it should return total bound-box, filter for selection only can be argument.
*/
void get_graph_keyframe_extents(struct bAnimContext *ac,
float *xmin,
float *xmax,
float *ymin,
float *ymax,
bool do_sel_only,
bool include_handles);
void GRAPH_OT_previewrange_set(struct wmOperatorType *ot);
void GRAPH_OT_view_all(struct wmOperatorType *ot);
void GRAPH_OT_view_selected(struct wmOperatorType *ot);
void GRAPH_OT_view_frame(struct wmOperatorType *ot);
void GRAPH_OT_click_insert(struct wmOperatorType *ot);
void GRAPH_OT_keyframe_insert(struct wmOperatorType *ot);
void GRAPH_OT_copy(struct wmOperatorType *ot);
void GRAPH_OT_paste(struct wmOperatorType *ot);
void GRAPH_OT_duplicate(struct wmOperatorType *ot);
void GRAPH_OT_delete(struct wmOperatorType *ot);
void GRAPH_OT_clean(struct wmOperatorType *ot);
void GRAPH_OT_blend_to_neighbor(struct wmOperatorType *ot);
void GRAPH_OT_breakdown(struct wmOperatorType *ot);
void GRAPH_OT_ease(struct wmOperatorType *ot);
void GRAPH_OT_blend_offset(struct wmOperatorType *ot);
void GRAPH_OT_blend_to_ease(struct wmOperatorType *ot);
void GRAPH_OT_match_slope(struct wmOperatorType *ot);
void GRAPH_OT_shear(struct wmOperatorType *ot);
void GRAPH_OT_scale_average(struct wmOperatorType *ot);
void GRAPH_OT_push_pull(struct wmOperatorType *ot);
void GRAPH_OT_time_offset(struct wmOperatorType *ot);
void GRAPH_OT_decimate(struct wmOperatorType *ot);
void GRAPH_OT_blend_to_default(struct wmOperatorType *ot);
void GRAPH_OT_butterworth_smooth(struct wmOperatorType *ot);
void GRAPH_OT_gaussian_smooth(struct wmOperatorType *ot);
void GRAPH_OT_bake_keys(struct wmOperatorType *ot);
void GRAPH_OT_keys_to_samples(struct wmOperatorType *ot);
void GRAPH_OT_samples_to_keys(struct wmOperatorType *ot);
void GRAPH_OT_sound_to_samples(struct wmOperatorType *ot);
void GRAPH_OT_smooth(struct wmOperatorType *ot);
void GRAPH_OT_euler_filter(struct wmOperatorType *ot);
void GRAPH_OT_handle_type(struct wmOperatorType *ot);
void GRAPH_OT_interpolation_type(struct wmOperatorType *ot);
void GRAPH_OT_extrapolation_type(struct wmOperatorType *ot);
void GRAPH_OT_easing_type(struct wmOperatorType *ot);
void GRAPH_OT_frame_jump(struct wmOperatorType *ot);
void GRAPH_OT_keyframe_jump(struct wmOperatorType *ot);
void GRAPH_OT_snap_cursor_value(struct wmOperatorType *ot);
void GRAPH_OT_snap(struct wmOperatorType *ot);
void GRAPH_OT_equalize_handles(struct wmOperatorType *ot);
void GRAPH_OT_mirror(struct wmOperatorType *ot);
/* defines for snap keyframes
* NOTE: keep in sync with eEditKeyframes_Snap (in ED_keyframes_edit.hh)
*/
enum eGraphKeys_Snap_Mode {
GRAPHKEYS_SNAP_CFRA = 1,
GRAPHKEYS_SNAP_NEAREST_FRAME,
GRAPHKEYS_SNAP_NEAREST_SECOND,
GRAPHKEYS_SNAP_NEAREST_MARKER,
GRAPHKEYS_SNAP_HORIZONTAL,
GRAPHKEYS_SNAP_VALUE,
};
/* Defines for equalize keyframe handles.
* NOTE: Keep in sync with eEditKeyframes_Equalize (in ED_keyframes_edit.hh).
*/
enum eGraphKeys_Equalize_Mode {
GRAPHKEYS_EQUALIZE_LEFT = 1,
GRAPHKEYS_EQUALIZE_RIGHT,
GRAPHKEYS_EQUALIZE_BOTH,
};
/* defines for mirror keyframes
* NOTE: keep in sync with eEditKeyframes_Mirror (in ED_keyframes_edit.hh)
*/
enum eGraphKeys_Mirror_Mode {
GRAPHKEYS_MIRROR_CFRA = 1,
GRAPHKEYS_MIRROR_YAXIS,
GRAPHKEYS_MIRROR_XAXIS,
GRAPHKEYS_MIRROR_MARKER,
GRAPHKEYS_MIRROR_VALUE,
};
/* ----------- */
void GRAPH_OT_fmodifier_add(struct wmOperatorType *ot);
void GRAPH_OT_fmodifier_copy(struct wmOperatorType *ot);
void GRAPH_OT_fmodifier_paste(struct wmOperatorType *ot);
/* ----------- */
void GRAPH_OT_driver_variables_copy(struct wmOperatorType *ot);
void GRAPH_OT_driver_variables_paste(struct wmOperatorType *ot);
void GRAPH_OT_driver_delete_invalid(struct wmOperatorType *ot);
/* ----------- */
void GRAPH_OT_ghost_curves_create(struct wmOperatorType *ot);
void GRAPH_OT_ghost_curves_clear(struct wmOperatorType *ot);
/* ***************************************** */
/* `graph_buttons.cc` */
void graph_buttons_register(struct ARegionType *art);
/* ***************************************** */
/* `graph_utils.cc` */
/**
* Find 'active' F-Curve.
* It must be editable, since that's the purpose of these buttons (subject to change).
* We return the 'wrapper' since it contains valuable context info (about hierarchy),
* which will need to be freed when the caller is done with it.
*
* \note curve-visible flag isn't included,
* otherwise selecting a curve via list to edit is too cumbersome.
*/
struct bAnimListElem *get_active_fcurve_channel(struct bAnimContext *ac);
/**
* Check if there are any visible keyframes (for selection tools).
*/
bool graphop_visible_keyframes_poll(struct bContext *C);
/**
* Check if there are any visible + editable keyframes (for editing tools).
*/
bool graphop_editable_keyframes_poll(struct bContext *C);
/**
* Has active F-Curve that's editable.
*/
bool graphop_active_fcurve_poll(struct bContext *C);
/**
* Has active F-Curve in the context that's editable.
*/
bool graphop_active_editable_fcurve_ctx_poll(struct bContext *C);
/**
* Has selected F-Curve that's editable.
*/
bool graphop_selected_fcurve_poll(struct bContext *C);
/* ***************************************** */
/* `graph_ops.cc` */
void graphedit_keymap(struct wmKeyConfig *keyconf);
void graphedit_operatortypes(void);
#ifdef __cplusplus
}
#endif
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