6b3b128d34b3a74b3c5744a9a41b623e7447cd39
[blender-staging.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 "GHOST_C-api.h"
34
35 #include "BLI_blenlib.h"
36
37 #include "BKE_blender.h"
38 #include "BKE_context.h"
39 #include "BKE_idprop.h"
40 #include "BKE_library.h"
41 #include "BKE_main.h"
42 #include "BKE_report.h"
43
44 #include "WM_api.h"
45 #include "WM_types.h"
46 #include "wm_window.h"
47 #include "wm_event_system.h"
48 #include "wm_event_types.h"
49 #include "wm_draw.h"
50 #include "wm.h"
51
52 #include "ED_screen.h"
53
54 #include "RNA_types.h"
55
56 /* ****************************************************** */
57
58 #define MAX_OP_REGISTERED       32
59
60 void WM_operator_free(wmOperator *op)
61 {
62         if(op->ptr) {
63                 op->properties= op->ptr->data;
64                 MEM_freeN(op->ptr);
65         }
66
67         if(op->properties) {
68                 IDP_FreeProperty(op->properties);
69                 MEM_freeN(op->properties);
70         }
71
72         if(op->reports) {
73                 BKE_reports_clear(op->reports);
74                 MEM_freeN(op->reports);
75         }
76
77         MEM_freeN(op);
78 }
79
80 /* all operations get registered in the windowmanager here */
81 /* called on event handling by event_system.c */
82 void wm_operator_register(bContext *C, wmOperator *op)
83 {
84         wmWindowManager *wm= CTX_wm_manager(C);
85         int tot;
86         char *buf;
87
88         BLI_addtail(&wm->operators, op);
89         tot= BLI_countlist(&wm->operators);
90         
91         while(tot>MAX_OP_REGISTERED) {
92                 wmOperator *opt= wm->operators.first;
93                 BLI_remlink(&wm->operators, opt);
94                 WM_operator_free(opt);
95                 tot--;
96         }
97         
98         
99         /* Report the string representation of the operator */
100         buf = WM_operator_pystring(op);
101         BKE_report(wm->reports, RPT_OPERATOR, buf);
102         MEM_freeN(buf);
103         
104         /* so the console is redrawn */
105         WM_event_add_notifier(C, NC_CONSOLE|ND_CONSOLE_REPORT, NULL);
106 }
107
108
109 void WM_operator_stack_clear(bContext *C)
110 {
111         wmWindowManager *wm= CTX_wm_manager(C);
112         wmOperator *op;
113         
114         while((op= wm->operators.first)) {
115                 BLI_remlink(&wm->operators, op);
116                 WM_operator_free(op);
117         }
118         
119 }
120
121 /* ****************************************** */
122
123 void wm_check(bContext *C)
124 {
125         wmWindowManager *wm= CTX_wm_manager(C);
126         
127         /* wm context */
128         if(wm==NULL) {
129                 wm= CTX_data_main(C)->wm.first;
130                 CTX_wm_manager_set(C, wm);
131         }
132         if(wm==NULL) return;
133         if(wm->windows.first==NULL) return;
134         
135         /* case: no open windows at all, for old file reads */
136         wm_window_add_ghostwindows(wm);
137         
138         /* case: fileread */
139         if(wm->initialized==0) {
140                 
141                 wm_window_keymap(wm);
142                 ED_spacetypes_keymap(wm);
143                 
144                 ED_screens_initialize(wm);
145                 wm->initialized= 1;
146         }
147 }
148
149 void wm_clear_default_size(bContext *C)
150 {
151         wmWindowManager *wm= CTX_wm_manager(C);
152         wmWindow *win;
153         
154         /* wm context */
155         if(wm==NULL) {
156                 wm= CTX_data_main(C)->wm.first;
157                 CTX_wm_manager_set(C, wm);
158         }
159         if(wm==NULL) return;
160         if(wm->windows.first==NULL) return;
161         
162         for(win= wm->windows.first; win; win= win->next) {
163                 win->sizex = 0;
164                 win->sizey = 0;
165                 win->posx = 0;
166                 win->posy = 0;
167         }
168
169 }
170
171 /* on startup, it adds all data, for matching */
172 void wm_add_default(bContext *C)
173 {
174         wmWindowManager *wm= alloc_libblock(&CTX_data_main(C)->wm, ID_WM, "WinMan");
175         wmWindow *win;
176         bScreen *screen= CTX_wm_screen(C); /* XXX from file read hrmf */
177         
178         CTX_wm_manager_set(C, wm);
179         win= wm_window_new(C);
180         win->screen= screen;
181         screen->winid= win->winid;
182         BLI_strncpy(win->screenname, screen->id.name+2, 21);
183         
184         wm->winactive= win;
185         wm->file_saved= 1;
186         wm_window_make_drawable(C, win); 
187 }
188
189
190 /* context is allowed to be NULL, do not free wm itself (library.c) */
191 void wm_close_and_free(bContext *C, wmWindowManager *wm)
192 {
193         wmWindow *win;
194         wmOperator *op;
195         wmKeyMap *km;
196         wmKeymapItem *kmi;
197         
198         while((win= wm->windows.first)) {
199                 BLI_remlink(&wm->windows, win);
200                 win->screen= NULL; /* prevent draw clear to use screen */
201                 wm_draw_window_clear(win);
202                 wm_window_free(C, win);
203         }
204         
205         while((op= wm->operators.first)) {
206                 BLI_remlink(&wm->operators, op);
207                 WM_operator_free(op);
208         }
209
210         while((km= wm->keymaps.first)) {
211                 for(kmi=km->keymap.first; kmi; kmi=kmi->next) {
212                         if(kmi->ptr) {
213                                 WM_operator_properties_free(kmi->ptr);
214                                 MEM_freeN(kmi->ptr);
215                         }
216                 }
217
218                 BLI_freelistN(&km->keymap);
219                 BLI_remlink(&wm->keymaps, km);
220                 MEM_freeN(km);
221         }
222         
223         BLI_freelistN(&wm->queue);
224         
225         BLI_freelistN(&wm->paintcursors);
226         
227         if(C && CTX_wm_manager(C)==wm) CTX_wm_manager_set(C, NULL);
228 }
229
230 void wm_close_and_free_all(bContext *C, ListBase *wmlist)
231 {
232         wmWindowManager *wm;
233         
234         while((wm=wmlist->first)) {
235                 wm_close_and_free(C, wm);
236                 BLI_remlink(wmlist, wm);
237                 MEM_freeN(wm);
238         }
239 }
240
241 void WM_main(bContext *C)
242 {
243         while(1) {
244                 
245                 /* get events from ghost, handle window events, add to window queues */
246                 wm_window_process_events(C); 
247                 
248                 /* per window, all events to the window, screen, area and region handlers */
249                 wm_event_do_handlers(C);
250                 
251                 /* events have left notes about changes, we handle and cache it */
252                 wm_event_do_notifiers(C);
253                 
254                 /* execute cached changes draw */
255                 wm_draw_update(C);
256         }
257 }
258
259