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