RNA
[blender.git] / source / blender / windowmanager / intern / wm.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) 2007 Blender Foundation.
21  * All rights reserved.
22  *
23  * 
24  * Contributor(s): Blender Foundation
25  *
26  * ***** END GPL LICENSE BLOCK *****
27  */
28
29 #include "DNA_windowmanager_types.h"
30
31 #include "MEM_guardedalloc.h"
32
33 #include "BLI_blenlib.h"
34
35 #include "BKE_blender.h"
36 #include "BKE_context.h"
37 #include "BKE_idprop.h"
38 #include "BKE_library.h"
39 #include "BKE_main.h"
40 #include "BKE_report.h"
41
42 #include "WM_api.h"
43 #include "WM_types.h"
44 #include "wm_window.h"
45 #include "wm_event_system.h"
46 #include "wm_event_types.h"
47 #include "wm.h"
48
49 #include "ED_screen.h"
50
51 #include "RNA_types.h"
52
53 /* ****************************************************** */
54
55 #define MAX_OP_REGISTERED       32
56
57 void WM_operator_free(wmOperator *op)
58 {
59         if(op->ptr) {
60                 op->properties= op->ptr->data;
61                 MEM_freeN(op->ptr);
62         }
63
64         if(op->properties) {
65                 IDP_FreeProperty(op->properties);
66                 MEM_freeN(op->properties);
67         }
68
69         if(op->reports) {
70                 BKE_reports_clear(op->reports);
71                 MEM_freeN(op->reports);
72         }
73
74         MEM_freeN(op);
75 }
76
77 /* all operations get registered in the windowmanager here */
78 /* called on event handling by event_system.c */
79 void wm_operator_register(wmWindowManager *wm, wmOperator *op)
80 {
81         int tot;
82
83         if(op->ptr) {
84                 op->properties= op->ptr->data;
85                 MEM_freeN(op->ptr);
86                 op->ptr= NULL;
87         }
88
89         BLI_addtail(&wm->operators, op);
90         tot= BLI_countlist(&wm->operators);
91         
92         while(tot>MAX_OP_REGISTERED) {
93                 wmOperator *opt= wm->operators.first;
94                 BLI_remlink(&wm->operators, opt);
95                 WM_operator_free(opt);
96                 tot--;
97         }
98 }
99
100
101 /* ****************************************** */
102
103 void wm_check(bContext *C)
104 {
105         wmWindowManager *wm= CTX_wm_manager(C);
106         
107         /* wm context */
108         if(CTX_wm_manager(C)==NULL) {
109                 wm= CTX_data_main(C)->wm.first;
110                 CTX_wm_manager_set(C, wm);
111         }
112         if(wm==NULL) return;
113         if(wm->windows.first==NULL) return;
114         
115         /* case: no open windows at all, for old file reads */
116         wm_window_add_ghostwindows(wm);
117         
118         /* case: fileread */
119         if(wm->initialized==0) {
120                 
121                 wm_window_keymap(wm);
122                 ED_spacetypes_keymap(wm);
123                 
124                 ED_screens_initialize(wm);
125                 wm->initialized= 1;
126         }
127 }
128
129 /* on startup, it adds all data, for matching */
130 void wm_add_default(bContext *C)
131 {
132         wmWindowManager *wm= alloc_libblock(&CTX_data_main(C)->wm, ID_WM, "WinMan");
133         wmWindow *win;
134         
135         CTX_wm_manager_set(C, wm);
136         
137         win= wm_window_new(C);
138         win->screen= CTX_wm_screen(C); /* XXX from window? */
139         wm->winactive= win;
140         wm_window_make_drawable(C, win); 
141 }
142
143
144 /* context is allowed to be NULL, do not free wm itself (library.c) */
145 void wm_close_and_free(bContext *C, wmWindowManager *wm)
146 {
147         wmWindow *win;
148         wmOperator *op;
149         wmKeyMap *km;
150         wmKeymapItem *kmi;
151         
152         while((win= wm->windows.first)) {
153                 BLI_remlink(&wm->windows, win);
154                 wm_window_free(C, win);
155         }
156         
157         while((op= wm->operators.first)) {
158                 BLI_remlink(&wm->operators, op);
159                 WM_operator_free(op);
160         }
161
162         while((km= wm->keymaps.first)) {
163                 for(kmi=km->keymap.first; kmi; kmi=kmi->next) {
164                         if(kmi->ptr) {
165                                 WM_operator_properties_free(kmi->ptr);
166                                 MEM_freeN(kmi->ptr);
167                         }
168                 }
169
170                 BLI_freelistN(&km->keymap);
171                 BLI_remlink(&wm->keymaps, km);
172                 MEM_freeN(km);
173         }
174         
175         BLI_freelistN(&wm->queue);
176         
177         if(C && CTX_wm_manager(C)==wm) CTX_wm_manager_set(C, NULL);
178 }
179
180 void wm_close_and_free_all(bContext *C, ListBase *wmlist)
181 {
182         wmWindowManager *wm;
183         
184         while((wm=wmlist->first)) {
185                 wm_close_and_free(C, wm);
186                 BLI_remlink(wmlist, wm);
187                 MEM_freeN(wm);
188         }
189 }
190
191 void WM_main(bContext *C)
192 {
193         while(1) {
194                 
195                 /* get events from ghost, handle window events, add to window queues */
196                 wm_window_process_events(C); 
197                 
198                 /* per window, all events to the window, screen, area and region handlers */
199                 wm_event_do_handlers(C);
200                 
201                 /* events have left notes about changes, we handle and cache it */
202                 wm_event_do_notifiers(C);
203                 
204                 /* execute cached changes draw */
205                 wm_draw_update(C);
206         }
207 }
208
209