svn merge -r 22371:22571 https://svn.blender.org/svnroot/bf-blender/branches/blender2...
[blender-staging.git] / 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 void ED_undo_push(bContext *C, char *str)
79 {
80         wmWindowManager *wm= CTX_wm_manager(C);
81         Object *obedit= CTX_data_edit_object(C);
82         Object *obact= CTX_data_active_object(C);
83
84         if(obedit) {
85                 if (U.undosteps == 0) return;
86                 
87                 if(obedit->type==OB_MESH)
88                         undo_push_mesh(C, str);
89                 else if ELEM(obedit->type, OB_CURVE, OB_SURF)
90                         undo_push_curve(C, str);
91                 else if (obedit->type==OB_FONT)
92                         undo_push_font(C, str);
93                 else if (obedit->type==OB_MBALL)
94                         undo_push_mball(C, str);
95                 else if (obedit->type==OB_LATTICE)
96                         undo_push_lattice(C, str);
97                 else if (obedit->type==OB_ARMATURE)
98                         undo_push_armature(C, str);
99         }
100         else if(obact && obact->mode & OB_MODE_PARTICLE_EDIT) {
101                 if (U.undosteps == 0) return;
102                 
103                 PE_undo_push(CTX_data_scene(C), str);
104         }
105         else {
106                 if(U.uiflag & USER_GLOBALUNDO) 
107                         BKE_write_undo(C, str);
108         }
109         
110         if(wm->file_saved) {
111                 wm->file_saved= 0;
112                 WM_event_add_notifier(C, NC_WM|ND_DATACHANGED, NULL);
113         }
114 }
115
116 static int ed_undo_step(bContext *C, int step, const char *undoname)
117 {       
118         Object *obedit= CTX_data_edit_object(C);
119         Object *obact= CTX_data_active_object(C);
120         ScrArea *sa= CTX_wm_area(C);
121
122         if(sa && sa->spacetype==SPACE_IMAGE) {
123                 SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
124                 
125                 if((obact && obact->mode & OB_MODE_TEXTURE_PAINT) || sima->flag & SI_DRAWTOOL) {
126                         undo_imagepaint_step(step);
127
128                         WM_event_add_notifier(C, NC_WINDOW, NULL);
129                         return OPERATOR_FINISHED;
130                 }
131         }
132
133         if(sa && sa->spacetype==SPACE_TEXT) {
134                 ED_text_undo_step(C, step);
135         }
136         else if(obedit) {
137                 if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE) {
138                         if(undoname)
139                                 undo_editmode_name(C, undoname);
140                         else
141                                 undo_editmode_step(C, step);
142                 }
143         }
144         else {
145                 int do_glob_undo= 0;
146                 
147                 if(obact && obact->mode & OB_MODE_TEXTURE_PAINT)
148                         undo_imagepaint_step(step);
149                 else if(obact && obact->mode & OB_MODE_PARTICLE_EDIT) {
150                         if(step==1)
151                                 PE_undo(CTX_data_scene(C));
152                         else
153                                 PE_redo(CTX_data_scene(C));
154                 }
155                 else {
156                         do_glob_undo= 1;
157                 }
158                 
159                 if(do_glob_undo) {
160                         if(U.uiflag & USER_GLOBALUNDO) {
161 #ifndef DISABLE_PYTHON
162                                 // XXX          BPY_scripts_clear_pyobjects();
163 #endif
164                                 if(undoname)
165                                         BKE_undo_name(C, undoname);
166                                 else
167                                         BKE_undo_step(C, step);
168                         }
169                         
170                 }
171         }
172         
173         WM_event_add_notifier(C, NC_WINDOW, NULL);
174         
175         return OPERATOR_FINISHED;
176 }
177
178 void ED_undo_pop(bContext *C)
179 {
180         ed_undo_step(C, 1, NULL);
181 }
182 void ED_undo_redo(bContext *C)
183 {
184         ed_undo_step(C, -1, NULL);
185 }
186
187 void ED_undo_push_op(bContext *C, wmOperator *op)
188 {
189         /* in future, get undo string info? */
190         ED_undo_push(C, op->type->name);
191 }
192
193 void ED_undo_pop_op(bContext *C, wmOperator *op)
194 {
195         /* search back a couple of undo's, in case something else added pushes */
196         ed_undo_step(C, 0, op->type->name);
197 }
198
199 static int ed_undo_exec(bContext *C, wmOperator *op)
200 {
201         /* "last operator" should disappear, later we can tie ths with undo stack nicer */
202         WM_operator_stack_clear(C);
203         return ed_undo_step(C, 1, NULL);
204 }
205
206 static int ed_redo_exec(bContext *C, wmOperator *op)
207 {
208         return ed_undo_step(C, -1, NULL);
209 }
210
211 void ED_undo_menu(bContext *C)
212 {
213         Object *obedit= CTX_data_edit_object(C);
214         Object *obact= CTX_data_active_object(C);
215         
216         if(obedit) {
217                 //if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
218                 //      undo_editmode_menu();
219         }
220         else {
221                 if(obact && obact->mode & OB_MODE_PARTICLE_EDIT)
222                         PE_undo_menu(CTX_data_scene(C), CTX_data_active_object(C));
223                 else if(U.uiflag & USER_GLOBALUNDO) {
224                         char *menu= BKE_undo_menu_string();
225                         if(menu) {
226                                 short event= 0; // XXX pupmenu_col(menu, 20);
227                                 MEM_freeN(menu);
228                                 if(event>0) {
229                                         BKE_undo_number(C, event);
230                                 }
231                         }
232                 }
233         }
234 }
235
236 /* ********************** */
237
238 void ED_OT_undo(wmOperatorType *ot)
239 {
240         /* identifiers */
241         ot->name= "Undo";
242         ot->idname= "ED_OT_undo";
243         
244         /* api callbacks */
245         ot->exec= ed_undo_exec;
246         ot->poll= ED_operator_screenactive;
247 }
248
249 void ED_OT_redo(wmOperatorType *ot)
250 {
251         /* identifiers */
252         ot->name= "Redo";
253         ot->idname= "ED_OT_redo";
254         
255         /* api callbacks */
256         ot->exec= ed_redo_exec;
257         ot->poll= ED_operator_screenactive;
258 }
259
260