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