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