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 /* ***************** generic undo system ********************* */
  75
  76 /* ********* XXX **************** */
  77 static void undo_push_mball() {}
  78 static void sound_initialize_sounds() {}
  79 /* ********* XXX **************** */
  80
  81 void ED_undo_push(bContext *C, char *str)
  82 {
  83         wmWindowManager *wm= CTX_wm_manager(C);
  84         Object *obedit= CTX_data_edit_object(C);
  85
  86         if(obedit) {
  87                 if (U.undosteps == 0) return;
  88
  89                 if(obedit->type==OB_MESH)
  90                         undo_push_mesh(C, str);
  91                 else if ELEM(obedit->type, OB_CURVE, OB_SURF)
  92                         undo_push_curve(C, str);
  93                 else if (obedit->type==OB_FONT)
  94                         undo_push_font(C, str);
  95                 else if (obedit->type==OB_MBALL)
  96                         undo_push_mball(str);
  97                 else if (obedit->type==OB_LATTICE)
  98                         undo_push_lattice(C, str);
  99                 else if (obedit->type==OB_ARMATURE)
 100                         undo_push_armature(C, str);
 101         }
 102         else if(G.f & G_PARTICLEEDIT) {
 103                 if (U.undosteps == 0) return;
 104
 105                 PE_undo_push(CTX_data_scene(C), str);
 106         }
 107         else {
 108                 if(U.uiflag & USER_GLOBALUNDO)
 109                         BKE_write_undo(C, str);
 110         }
 111
 112         if(wm->file_saved) {
 113                 wm->file_saved= 0;
 114                 WM_event_add_notifier(C, NC_WM|ND_DATACHANGED, NULL);
 115         }
 116 }
 117
 118 void ED_undo_push_op(bContext *C, wmOperator *op)
 119 {
 120         /* in future, get undo string info? */
 121         ED_undo_push(C, op->type->name);
 122 }
 123
 124 static int ed_undo_step(bContext *C, int step)
 125 {
 126         Object *obedit= CTX_data_edit_object(C);
 127         ScrArea *sa= CTX_wm_area(C);
 128
 129         if(sa && sa->spacetype==SPACE_IMAGE) {
 130                 SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
 131
 132                 if(G.f & G_TEXTUREPAINT || sima->flag & SI_DRAWTOOL) {
 133                         undo_imagepaint_step(step);
 134
 135                         WM_event_add_notifier(C, NC_WINDOW, NULL);
 136                         return OPERATOR_FINISHED;
 137                 }
 138         }
 139
 140         if(sa && sa->spacetype==SPACE_TEXT) {
 141                 ED_text_undo_step(C, step);
 142         }
 143         else if(obedit) {
 144                 if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
 145                         undo_editmode_step(C, step);
 146         }
 147         else {
 148                 int do_glob_undo= 0;
 149
 150                 if(G.f & G_TEXTUREPAINT)
 151                         undo_imagepaint_step(step);
 152                 else if(G.f & G_PARTICLEEDIT) {
 153                         if(step==1)
 154                                 PE_undo(CTX_data_scene(C));
 155                         else
 156                                 PE_redo(CTX_data_scene(C));
 157                 }
 158                 else {
 159                         do_glob_undo= 1;
 160                 }
 161
 162                 if(do_glob_undo) {
 163                         if(U.uiflag & USER_GLOBALUNDO) {
 164 #ifndef DISABLE_PYTHON
 165                                 // XXX          BPY_scripts_clear_pyobjects();
 166 #endif
 167                                 BKE_undo_step(C, step);
 168                                 sound_initialize_sounds();
 169                         }
 170
 171                 }
 172         }
 173
 174         WM_event_add_notifier(C, NC_WINDOW, NULL);
 175
 176         return OPERATOR_FINISHED;
 177 }
 178
 179 void ED_undo_pop(bContext *C)
 180 {
 181         ed_undo_step(C, 1);
 182 }
 183 void ED_undo_redo(bContext *C)
 184 {
 185         ed_undo_step(C, -1);
 186 }
 187
 188 static int ed_undo_exec(bContext *C, wmOperator *op)
 189 {
 190         /* "last operator" should disappear, later we can tie ths with undo stack nicer */
 191         WM_operator_stack_clear(C);
 192         return ed_undo_step(C, 1);
 193 }
 194 static int ed_redo_exec(bContext *C, wmOperator *op)
 195 {
 196         return ed_undo_step(C, -1);
 197 }
 198
 199 void ED_undo_menu(bContext *C)
 200 {
 201         Object *obedit= CTX_data_edit_object(C);
 202
 203         if(obedit) {
 204                 //if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
 205                 //      undo_editmode_menu();
 206         }
 207         else {
 208                 if(G.f & G_PARTICLEEDIT)
 209                         PE_undo_menu(CTX_data_scene(C), CTX_data_active_object(C));
 210                 else if(U.uiflag & USER_GLOBALUNDO) {
 211                         char *menu= BKE_undo_menu_string();
 212                         if(menu) {
 213                                 short event= 0; // XXX pupmenu_col(menu, 20);
 214                                 MEM_freeN(menu);
 215                                 if(event>0) {
 216                                         BKE_undo_number(C, event);
 217                                         sound_initialize_sounds();
 218                                 }
 219                         }
 220                 }
 221         }
 222 }
 223
 224 /* ********************** */
 225
 226 void ED_OT_undo(wmOperatorType *ot)
 227 {
 228         /* identifiers */
 229         ot->name= "Undo";
 230         ot->idname= "ED_OT_undo";
 231
 232         /* api callbacks */
 233         ot->exec= ed_undo_exec;
 234         ot->poll= ED_operator_screenactive;
 235 }
 236
 237 void ED_OT_redo(wmOperatorType *ot)
 238 {
 239         /* identifiers */
 240         ot->name= "Redo";
 241         ot->idname= "ED_OT_redo";
 242
 243         /* api callbacks */
 244         ot->exec= ed_redo_exec;
 245         ot->poll= ED_operator_screenactive;
 246 }
 247
 248