source/blender/editors/util/undo.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2004 Blender Foundation
  21  * All rights reserved.
  22  *
  23  * The Original Code is: all of this file.
  24  *
  25  * Contributor(s): none yet.
  26  *
  27  * ***** END GPL LICENSE BLOCK *****
  28  */
  29
  30
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <math.h>
  34
  35 #include "MEM_guardedalloc.h"
  36
  37 #include "DNA_mesh_types.h"
  38 #include "DNA_meshdata_types.h"
  39 #include "DNA_object_types.h"
  40 #include "DNA_screen_types.h"
  41 #include "DNA_scene_types.h"
  42 #include "DNA_space_types.h"
  43 #include "DNA_userdef_types.h"
  44
  45 #include "BKE_blender.h"
  46 #include "BKE_context.h"
  47 #include "BKE_depsgraph.h"
  48 #include "BKE_global.h"
  49 #include "BKE_object.h"
  50 #include "BKE_text.h"
  51
  52 #include "BLI_blenlib.h"
  53 #include "BLI_editVert.h"
  54 #include "BLI_dynstr.h"
  55
  56 #include "BKE_utildefines.h"
  57
  58 #include "ED_armature.h"
  59 #include "ED_particle.h"
  60 #include "ED_curve.h"
  61 #include "ED_mesh.h"
  62 #include "ED_object.h"
  63 #include "ED_screen.h"
  64 #include "ED_sculpt.h"
  65 #include "ED_util.h"
  66 #include "ED_text.h"
  67
  68 #include "WM_api.h"
  69 #include "WM_types.h"
  70
  71 #include "UI_interface.h"
  72 #include "UI_resources.h"
  73
  74 #include "util_intern.h"
  75
  76 /* ***************** generic undo system ********************* */
  77
  78 /* ********* XXX **************** */
  79 static void sound_initialize_sounds() {}
  80 /* ********* XXX **************** */
  81
  82 void ED_undo_push(bContext *C, char *str)
  83 {
  84         wmWindowManager *wm= CTX_wm_manager(C);
  85         Object *obedit= CTX_data_edit_object(C);
  86
  87         if(obedit) {
  88                 if (U.undosteps == 0) return;
  89
  90                 if(obedit->type==OB_MESH)
  91                         undo_push_mesh(C, str);
  92                 else if ELEM(obedit->type, OB_CURVE, OB_SURF)
  93                         undo_push_curve(C, str);
  94                 else if (obedit->type==OB_FONT)
  95                         undo_push_font(C, str);
  96                 else if (obedit->type==OB_MBALL)
  97                         undo_push_mball(C, str);
  98                 else if (obedit->type==OB_LATTICE)
  99                         undo_push_lattice(C, str);
 100                 else if (obedit->type==OB_ARMATURE)
 101                         undo_push_armature(C, str);
 102         }
 103         else if(G.f & G_PARTICLEEDIT) {
 104                 if (U.undosteps == 0) return;
 105
 106                 PE_undo_push(CTX_data_scene(C), str);
 107         }
 108         else {
 109                 if(U.uiflag & USER_GLOBALUNDO)
 110                         BKE_write_undo(C, str);
 111         }
 112
 113         if(wm->file_saved) {
 114                 wm->file_saved= 0;
 115                 WM_event_add_notifier(C, NC_WM|ND_DATACHANGED, NULL);
 116         }
 117 }
 118
 119 static int ed_undo_step(bContext *C, int step, const char *undoname)
 120 {
 121         Object *obedit= CTX_data_edit_object(C);
 122         ScrArea *sa= CTX_wm_area(C);
 123
 124         if(sa && sa->spacetype==SPACE_IMAGE) {
 125                 SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
 126
 127                 if(G.f & G_TEXTUREPAINT || sima->flag & SI_DRAWTOOL) {
 128                         undo_imagepaint_step(step);
 129
 130                         WM_event_add_notifier(C, NC_WINDOW, NULL);
 131                         return OPERATOR_FINISHED;
 132                 }
 133         }
 134
 135         if(sa && sa->spacetype==SPACE_TEXT) {
 136                 ED_text_undo_step(C, step);
 137         }
 138         else if(obedit) {
 139                 if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE) {
 140                         if(undoname)
 141                                 undo_editmode_name(C, undoname);
 142                         else
 143                                 undo_editmode_step(C, step);
 144                 }
 145         }
 146         else {
 147                 int do_glob_undo= 0;
 148
 149                 if(G.f & G_TEXTUREPAINT)
 150                         undo_imagepaint_step(step);
 151                 else if(G.f & G_PARTICLEEDIT) {
 152                         if(step==1)
 153                                 PE_undo(CTX_data_scene(C));
 154                         else
 155                                 PE_redo(CTX_data_scene(C));
 156                 }
 157                 else {
 158                         do_glob_undo= 1;
 159                 }
 160
 161                 if(do_glob_undo) {
 162                         if(U.uiflag & USER_GLOBALUNDO) {
 163 #ifndef DISABLE_PYTHON
 164                                 // XXX          BPY_scripts_clear_pyobjects();
 165 #endif
 166                                 if(undoname)
 167                                         BKE_undo_name(C, undoname);
 168                                 else
 169                                         BKE_undo_step(C, step);
 170                                 sound_initialize_sounds();
 171                         }
 172
 173                 }
 174         }
 175
 176         WM_event_add_notifier(C, NC_WINDOW, NULL);
 177
 178         return OPERATOR_FINISHED;
 179 }
 180
 181 void ED_undo_pop(bContext *C)
 182 {
 183         ed_undo_step(C, 1, NULL);
 184 }
 185 void ED_undo_redo(bContext *C)
 186 {
 187         ed_undo_step(C, -1, NULL);
 188 }
 189
 190 void ED_undo_push_op(bContext *C, wmOperator *op)
 191 {
 192         /* in future, get undo string info? */
 193         ED_undo_push(C, op->type->name);
 194 }
 195
 196 void ED_undo_pop_op(bContext *C, wmOperator *op)
 197 {
 198         /* search back a couple of undo's, in case something else added pushes */
 199         ed_undo_step(C, 0, op->type->name);
 200 }
 201
 202 static int ed_undo_exec(bContext *C, wmOperator *op)
 203 {
 204         /* "last operator" should disappear, later we can tie ths with undo stack nicer */
 205         WM_operator_stack_clear(C);
 206         return ed_undo_step(C, 1, NULL);
 207 }
 208
 209 static int ed_redo_exec(bContext *C, wmOperator *op)
 210 {
 211         return ed_undo_step(C, -1, NULL);
 212 }
 213
 214 void ED_undo_menu(bContext *C)
 215 {
 216         Object *obedit= CTX_data_edit_object(C);
 217
 218         if(obedit) {
 219                 //if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
 220                 //      undo_editmode_menu();
 221         }
 222         else {
 223                 if(G.f & G_PARTICLEEDIT)
 224                         PE_undo_menu(CTX_data_scene(C), CTX_data_active_object(C));
 225                 else if(U.uiflag & USER_GLOBALUNDO) {
 226                         char *menu= BKE_undo_menu_string();
 227                         if(menu) {
 228                                 short event= 0; // XXX pupmenu_col(menu, 20);
 229                                 MEM_freeN(menu);
 230                                 if(event>0) {
 231                                         BKE_undo_number(C, event);
 232                                         sound_initialize_sounds();
 233                                 }
 234                         }
 235                 }
 236         }
 237 }
 238
 239 /* ********************** */
 240
 241 void ED_OT_undo(wmOperatorType *ot)
 242 {
 243         /* identifiers */
 244         ot->name= "Undo";
 245         ot->idname= "ED_OT_undo";
 246
 247         /* api callbacks */
 248         ot->exec= ed_undo_exec;
 249         ot->poll= ED_operator_screenactive;
 250 }
 251
 252 void ED_OT_redo(wmOperatorType *ot)
 253 {
 254         /* identifiers */
 255         ot->name= "Redo";
 256         ot->idname= "ED_OT_redo";
 257
 258         /* api callbacks */
 259         ot->exec= ed_redo_exec;
 260         ot->poll= ED_operator_screenactive;
 261 }
 262
 263