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(wmWindowManager *wm, wmOperator *op)
  83 {
  84         int tot;
  85
  86         BLI_addtail(&wm->operators, op);
  87         tot= BLI_countlist(&wm->operators);
  88
  89         while(tot>MAX_OP_REGISTERED) {
  90                 wmOperator *opt= wm->operators.first;
  91                 BLI_remlink(&wm->operators, opt);
  92                 WM_operator_free(opt);
  93                 tot--;
  94         }
  95 }
  96
  97
  98 /* ****************************************** */
  99
 100 void wm_check(bContext *C)
 101 {
 102         wmWindowManager *wm= CTX_wm_manager(C);
 103
 104         /* wm context */
 105         if(wm==NULL) {
 106                 wm= CTX_data_main(C)->wm.first;
 107                 CTX_wm_manager_set(C, wm);
 108         }
 109         if(wm==NULL) return;
 110         if(wm->windows.first==NULL) return;
 111
 112         /* case: no open windows at all, for old file reads */
 113         wm_window_add_ghostwindows(wm);
 114
 115         /* case: fileread */
 116         if(wm->initialized==0) {
 117
 118                 wm_window_keymap(wm);
 119                 ED_spacetypes_keymap(wm);
 120
 121                 ED_screens_initialize(wm);
 122                 wm->initialized= 1;
 123         }
 124 }
 125
 126 void wm_clear_default_size(bContext *C)
 127 {
 128         wmWindowManager *wm= CTX_wm_manager(C);
 129         wmWindow *win;
 130
 131         /* wm context */
 132         if(wm==NULL) {
 133                 wm= CTX_data_main(C)->wm.first;
 134                 CTX_wm_manager_set(C, wm);
 135         }
 136         if(wm==NULL) return;
 137         if(wm->windows.first==NULL) return;
 138
 139         win = wm->windows.first;
 140         win->sizex = 0;
 141         win->sizey = 0;
 142         win->posx = 0;
 143         win->posy = 0;
 144         win->windowstate= GHOST_kWindowStateMaximized;
 145
 146 }
 147
 148 /* on startup, it adds all data, for matching */
 149 void wm_add_default(bContext *C)
 150 {
 151         wmWindowManager *wm= alloc_libblock(&CTX_data_main(C)->wm, ID_WM, "WinMan");
 152         wmWindow *win;
 153         bScreen *screen= CTX_wm_screen(C); /* XXX from file read hrmf */
 154
 155         CTX_wm_manager_set(C, wm);
 156         win= wm_window_new(C);
 157         win->screen= screen;
 158         screen->winid= win->winid;
 159         BLI_strncpy(win->screenname, screen->id.name+2, 21);
 160
 161         wm->winactive= win;
 162         wm->file_saved= 1;
 163         wm_window_make_drawable(C, win);
 164 }
 165
 166
 167 /* context is allowed to be NULL, do not free wm itself (library.c) */
 168 void wm_close_and_free(bContext *C, wmWindowManager *wm)
 169 {
 170         wmWindow *win;
 171         wmOperator *op;
 172         wmKeyMap *km;
 173         wmKeymapItem *kmi;
 174
 175         while((win= wm->windows.first)) {
 176                 BLI_remlink(&wm->windows, win);
 177                 win->screen= NULL; /* prevent draw clear to use screen */
 178                 wm_draw_window_clear(win);
 179                 wm_window_free(C, win);
 180         }
 181
 182         while((op= wm->operators.first)) {
 183                 BLI_remlink(&wm->operators, op);
 184                 WM_operator_free(op);
 185         }
 186
 187         while((km= wm->keymaps.first)) {
 188                 for(kmi=km->keymap.first; kmi; kmi=kmi->next) {
 189                         if(kmi->ptr) {
 190                                 WM_operator_properties_free(kmi->ptr);
 191                                 MEM_freeN(kmi->ptr);
 192                         }
 193                 }
 194
 195                 BLI_freelistN(&km->keymap);
 196                 BLI_remlink(&wm->keymaps, km);
 197                 MEM_freeN(km);
 198         }
 199
 200         BLI_freelistN(&wm->queue);
 201
 202         BLI_freelistN(&wm->paintcursors);
 203
 204         if(C && CTX_wm_manager(C)==wm) CTX_wm_manager_set(C, NULL);
 205 }
 206
 207 void wm_close_and_free_all(bContext *C, ListBase *wmlist)
 208 {
 209         wmWindowManager *wm;
 210
 211         while((wm=wmlist->first)) {
 212                 wm_close_and_free(C, wm);
 213                 BLI_remlink(wmlist, wm);
 214                 MEM_freeN(wm);
 215         }
 216 }
 217
 218 void WM_main(bContext *C)
 219 {
 220         while(1) {
 221
 222                 /* get events from ghost, handle window events, add to window queues */
 223                 wm_window_process_events(C);
 224
 225                 /* per window, all events to the window, screen, area and region handlers */
 226                 wm_event_do_handlers(C);
 227
 228                 /* events have left notes about changes, we handle and cache it */
 229                 wm_event_do_notifiers(C);
 230
 231                 /* execute cached changes draw */
 232                 wm_draw_update(C);
 233         }
 234 }
 235
 236