Merge from 2.5 r21160 through r21285
[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 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_TEXT) {
130                 ED_text_undo_step(C, step);
131         }
132         else if(obedit) {
133                 if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
134                         undo_editmode_step(C, step);
135         }
136         else {
137                 int do_glob_undo= 0;
138                 
139                 if(G.f & G_TEXTUREPAINT)
140                         undo_imagepaint_step(step);
141                 else if(sa && sa->spacetype==SPACE_IMAGE) {
142                         SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
143                         if(sima->flag & SI_DRAWTOOL)
144                                 undo_imagepaint_step(step);
145                         else
146                                 do_glob_undo= 1;
147                 }
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                                 BKE_undo_step(C, step);
164                                 sound_initialize_sounds();
165                         }
166                         
167                 }
168         }
169         
170         WM_event_add_notifier(C, NC_WINDOW, NULL);
171         
172         return OPERATOR_FINISHED;
173 }
174
175 void ED_undo_pop(bContext *C)
176 {
177         ed_undo_step(C, 1);
178 }
179 void ED_undo_redo(bContext *C)
180 {
181         ed_undo_step(C, -1);
182 }
183
184 static int ed_undo_exec(bContext *C, wmOperator *op)
185 {
186         /* "last operator" should disappear, later we can tie ths with undo stack nicer */
187         WM_operator_stack_clear(C);
188         return ed_undo_step(C, 1);
189 }
190 static int ed_redo_exec(bContext *C, wmOperator *op)
191 {
192         return ed_undo_step(C, -1);
193 }
194
195 void ED_undo_menu(bContext *C)
196 {
197         Object *obedit= CTX_data_edit_object(C);
198         
199         if(obedit) {
200                 //if ELEM7(obedit->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE)
201                 //      undo_editmode_menu();
202         }
203         else {
204                 if(G.f & G_PARTICLEEDIT)
205                         PE_undo_menu(CTX_data_scene(C), CTX_data_active_object(C));
206                 else if(U.uiflag & USER_GLOBALUNDO) {
207                         char *menu= BKE_undo_menu_string();
208                         if(menu) {
209                                 short event= 0; // XXX pupmenu_col(menu, 20);
210                                 MEM_freeN(menu);
211                                 if(event>0) {
212                                         BKE_undo_number(C, event);
213                                         sound_initialize_sounds();
214                                 }
215                         }
216                 }
217         }
218 }
219
220 /* ********************** */
221
222 void ED_OT_undo(wmOperatorType *ot)
223 {
224         /* identifiers */
225         ot->name= "Undo";
226         ot->idname= "ED_OT_undo";
227         
228         /* api callbacks */
229         ot->exec= ed_undo_exec;
230         ot->poll= ED_operator_screenactive;
231 }
232
233 void ED_OT_redo(wmOperatorType *ot)
234 {
235         /* identifiers */
236         ot->name= "Redo";
237         ot->idname= "ED_OT_redo";
238         
239         /* api callbacks */
240         ot->exec= ed_redo_exec;
241         ot->poll= ED_operator_screenactive;
242 }
243
244