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Diffstat (limited to 'source/blender/editors/animation/anim_filter.c')
| -rw-r--r-- | source/blender/editors/animation/anim_filter.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/source/blender/editors/animation/anim_filter.c b/source/blender/editors/animation/anim_filter.c new file mode 100644 index 00000000000..e82e61aa158 --- /dev/null +++ b/source/blender/editors/animation/anim_filter.c @@ -0,0 +1,208 @@ +/** + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program 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 2 + * of the License, or (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2008 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Joshua Leung + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/* This file defines the system for filtering data into a form suitable for + * use by the Animation Editors, thus acting as a means by which the Animation + * Editors maintain a level of abstraction from the data they actually manipulate. + * Thus, they only need to check on the type of the data they're manipulating, and + * NOT worry about various layers of context/hierarchy checks. + * + * While this is primarily used for the Action/Dopesheet Editor (and its accessory modes), + * the IPO Editor also uses this for it's channel list and for determining which curves + * are being edited. + * + * -- Joshua Leung, Dec 2008 + */ + +#include <string.h> +#include <stdio.h> + +#include "DNA_listbase.h" +#include "DNA_ID.h" +#include "DNA_action_types.h" +#include "DNA_camera_types.h" +#include "DNA_curve_types.h" +#include "DNA_ipo_types.h" +#include "DNA_lattice_types.h" +#include "DNA_key_types.h" +#include "DNA_mesh_types.h" +#include "DNA_object_types.h" +#include "DNA_space_types.h" +#include "DNA_scene_types.h" +#include "DNA_screen_types.h" +#include "DNA_windowmanager_types.h" + +#include "MEM_guardedalloc.h" + +#include "BLI_blenlib.h" + +#include "BKE_context.h" +#include "BKE_global.h" +#include "BKE_screen.h" +#include "BKE_utildefines.h" + +#include "ED_anim_api.h" +#include "ED_types.h" +#include "ED_util.h" + +#include "WM_api.h" +#include "WM_types.h" + +#include "BIF_gl.h" +#include "BIF_glutil.h" + +#include "UI_interface.h" +#include "UI_resources.h" +#include "UI_view2d.h" + +/* ************************************************************ */ +/* Blender Context <-> Animation Context mapping */ + +/* ----------- Private Stuff - Action Editor ------------- */ + +/* Get shapekey data being edited (for Action Editor -> ShapeKey mode) */ +/* Note: there's a similar function in key.c (ob_get_key) */ +Key *actedit_get_shapekeys (const bContext *C, SpaceAction *saction) +{ + Scene *scene= CTX_data_scene(C); + Object *ob; + Key *key; + + ob = OBACT; // XXX er... + if (ob == NULL) + return NULL; + + /* pinning is not available in 'ShapeKey' mode... */ + //if (saction->pin) return NULL; + + /* shapekey data is stored with geometry data */ + switch (ob->type) { + case OB_MESH: + key= ((Mesh *)ob->data)->key; + break; + + case OB_LATTICE: + key= ((Lattice *)ob->data)->key; + break; + + case OB_CURVE: + case OB_SURF: + key= ((Curve *)ob->data)->key; + break; + + default: + return NULL; + } + + if (key) { + if (key->type == KEY_RELATIVE) + return key; + } + + return NULL; +} + +/* Get data being edited in Action Editor (depending on current 'mode') */ +static void *actedit_get_context (const bContext *C, SpaceAction *saction, short *datatype) +{ + Scene *scene= CTX_data_scene(C); + + /* sync settings with current view status, then return appropriate data */ + switch (saction->mode) { + case SACTCONT_ACTION: /* 'Action Editor' */ + /* if not pinned, sync with active object */ + if (saction->pin == 0) { + if (OBACT) + saction->action = OBACT->action; + else + saction->action= NULL; + } + + *datatype= ANIMCONT_ACTION; + return saction->action; + + case SACTCONT_SHAPEKEY: /* 'ShapeKey Editor' */ + *datatype= ANIMCONT_SHAPEKEY; + return actedit_get_shapekeys(C, saction); + + case SACTCONT_GPENCIL: /* Grease Pencil */ // XXX review how this mode is handled... + *datatype=ANIMCONT_GPENCIL; + return CTX_wm_screen(C); // FIXME: add that dopesheet type thing here! + break; + + case SACTCONT_DOPESHEET: /* DopeSheet */ + /* update scene-pointer (no need to check for pinning yet, as not implemented) */ + saction->ads.source= (ID *)scene; + + *datatype= ANIMCONT_DOPESHEET; + return &saction->ads; + + default: /* unhandled yet */ + *datatype= ANIMCONT_NONE; + return NULL; + } +} + +/* ----------- Private Stuff - IPO Editor ------------- */ + +/* ----------- Public API --------------- */ + +/* Obtain current anim-data context from Blender Context info */ +void *animdata_get_context (const bContext *C, short *datatype) +{ + ScrArea *sa= CTX_wm_area(C); + + /* set datatype to 'None' for convenience */ + if (datatype == NULL) return NULL; + *datatype= ANIMCONT_NONE; + if (sa == NULL) return NULL; /* highly unlikely to happen, but still! */ + + /* context depends on editor we are currently in */ + switch (sa->spacetype) { + case SPACE_ACTION: + { + SpaceAction *saction= (SpaceAction *)CTX_wm_space_data(C); + return actedit_get_context(C, saction, datatype); + } + break; + + case SPACE_IPO: + { + SpaceIpo *sipo= (SpaceIpo *)CTX_wm_space_data(C); + // ... + } + break; + } + + /* nothing appropriate */ + return NULL; +} + +/* ************************************************************ */ + +/* ************************************************************ */ |