2.5 Armature Editing - Restored 'Align Bones' (Ctrl Alt A)
[blender.git] / source / blender / windowmanager / intern / wm_operators.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 <float.h>
30 #define _USE_MATH_DEFINES
31 #include <math.h>
32 #include <string.h>
33
34 #include "DNA_ID.h"
35 #include "DNA_screen_types.h"
36 #include "DNA_userdef_types.h"
37 #include "DNA_windowmanager_types.h"
38
39 #include "MEM_guardedalloc.h"
40
41 #include "BLI_blenlib.h"
42 #include "BLI_dynstr.h" /*for WM_operator_pystring */
43
44 #include "BKE_blender.h"
45 #include "BKE_context.h"
46 #include "BKE_idprop.h"
47 #include "BKE_library.h"
48 #include "BKE_global.h"
49 #include "BKE_main.h"
50 #include "BKE_utildefines.h"
51
52 #include "BIF_gl.h"
53 #include "BIF_glutil.h" /* for paint cursor */
54 #include "IMB_imbuf_types.h"
55
56 #include "ED_fileselect.h"
57 #include "ED_screen.h"
58
59 #include "RNA_access.h"
60 #include "RNA_define.h"
61
62 #include "UI_interface.h"
63 #include "UI_resources.h"
64
65 #include "WM_api.h"
66 #include "WM_types.h"
67
68 #include "wm.h"
69 #include "wm_window.h"
70 #include "wm_subwindow.h"
71 #include "wm_event_system.h"
72
73
74
75 static ListBase global_ops= {NULL, NULL};
76
77 /* ************ operator API, exported ********** */
78
79 wmOperatorType *WM_operatortype_find(const char *idname)
80 {
81         wmOperatorType *ot;
82         
83         for(ot= global_ops.first; ot; ot= ot->next) {
84                 if(strncmp(ot->idname, idname, OP_MAX_TYPENAME)==0)
85                    return ot;
86         }
87         printf("search for unknown operator %s\n", idname);
88         return NULL;
89 }
90
91 wmOperatorType *WM_operatortype_first(void)
92 {
93         return global_ops.first;
94 }
95
96 /* all ops in 1 list (for time being... needs evaluation later) */
97 void WM_operatortype_append(void (*opfunc)(wmOperatorType*))
98 {
99         wmOperatorType *ot;
100         
101         ot= MEM_callocN(sizeof(wmOperatorType), "operatortype");
102         ot->srna= RNA_def_struct(&BLENDER_RNA, "", "OperatorProperties");
103         opfunc(ot);
104         RNA_def_struct_ui_text(ot->srna, ot->name, "DOC_BROKEN"); /* TODO - add a discription to wmOperatorType? */
105         RNA_def_struct_identifier(ot->srna, ot->idname);
106         BLI_addtail(&global_ops, ot);
107 }
108
109 void WM_operatortype_append_ptr(void (*opfunc)(wmOperatorType*, void*), void *userdata)
110 {
111         wmOperatorType *ot;
112
113         ot= MEM_callocN(sizeof(wmOperatorType), "operatortype");
114         ot->srna= RNA_def_struct(&BLENDER_RNA, "", "OperatorProperties");
115         opfunc(ot, userdata);
116         RNA_def_struct_ui_text(ot->srna, ot->name, "DOC_BROKEN"); /* TODO - add a discription to wmOperatorType? */
117         RNA_def_struct_identifier(ot->srna, ot->idname);
118         BLI_addtail(&global_ops, ot);
119 }
120
121 int WM_operatortype_remove(const char *idname)
122 {
123         wmOperatorType *ot = WM_operatortype_find(idname);
124
125         if (ot==NULL)
126                 return 0;
127         
128         BLI_remlink(&global_ops, ot);
129         RNA_struct_free(&BLENDER_RNA, ot->srna);
130         MEM_freeN(ot);
131
132         return 1;
133 }
134
135 /* print a string representation of the operator, with the args that it runs 
136  * so python can run it again */
137 char *WM_operator_pystring(wmOperator *op)
138 {
139         const char *arg_name= NULL;
140
141         PropertyRNA *prop, *iterprop;
142         CollectionPropertyIterator iter;
143
144         /* for building the string */
145         DynStr *dynstr= BLI_dynstr_new();
146         char *cstring, *buf;
147         int first_iter=1;
148
149         BLI_dynstr_appendf(dynstr, "%s(", op->idname);
150
151         iterprop= RNA_struct_iterator_property(op->ptr);
152         RNA_property_collection_begin(op->ptr, iterprop, &iter);
153
154         for(; iter.valid; RNA_property_collection_next(&iter)) {
155                 prop= iter.ptr.data;
156                 arg_name= RNA_property_identifier(&iter.ptr, prop);
157
158                 if (strcmp(arg_name, "rna_type")==0) continue;
159
160                 buf= RNA_property_as_string(op->ptr, prop);
161                 
162                 BLI_dynstr_appendf(dynstr, first_iter?"%s=%s":", %s=%s", arg_name, buf);
163
164                 MEM_freeN(buf);
165                 first_iter = 0;
166         }
167
168         RNA_property_collection_end(&iter);
169
170         BLI_dynstr_append(dynstr, ")");
171
172         cstring = BLI_dynstr_get_cstring(dynstr);
173         BLI_dynstr_free(dynstr);
174         return cstring;
175 }
176
177 void WM_operator_properties_create(PointerRNA *ptr, const char *opstring)
178 {
179         wmOperatorType *ot= WM_operatortype_find(opstring);
180
181         if(ot)
182                 RNA_pointer_create(NULL, ot->srna, NULL, ptr);
183         else
184                 RNA_pointer_create(NULL, &RNA_OperatorProperties, NULL, ptr);
185 }
186
187 void WM_operator_properties_free(PointerRNA *ptr)
188 {
189         IDProperty *properties= ptr->data;
190
191         if(properties) {
192                 IDP_FreeProperty(properties);
193                 MEM_freeN(properties);
194         }
195 }
196
197 /* ************ default op callbacks, exported *********** */
198
199 /* invoke callback, uses enum property named "type" */
200 /* only weak thing is the fixed property name... */
201 int WM_menu_invoke(bContext *C, wmOperator *op, wmEvent *event)
202 {
203         PropertyRNA *prop= RNA_struct_find_property(op->ptr, "type");
204         uiMenuItem *head;
205
206         if(prop==NULL) {
207                 printf("WM_menu_invoke: %s has no \"type\" enum property\n", op->type->idname);
208         }
209         else if (RNA_property_type(op->ptr, prop) != PROP_ENUM) {
210                 printf("WM_menu_invoke: %s \"type\" is not an enum property\n", op->type->idname);
211         }
212         else {
213                 head= uiPupMenuBegin(op->type->name, 0);
214                 uiMenuItemsEnumO(head, op->type->idname, "type");
215                 uiPupMenuEnd(C, head);
216         }
217
218         return OPERATOR_CANCELLED;
219 }
220
221 /* op->invoke */
222 int WM_operator_confirm(bContext *C, wmOperator *op, wmEvent *event)
223 {
224         uiMenuItem *head;
225
226         head= uiPupMenuBegin("OK?", ICON_HELP);
227         uiMenuItemO(head, 0, op->type->idname);
228         uiPupMenuEnd(C, head);
229         
230         return OPERATOR_CANCELLED;
231 }
232
233 /* op->invoke, opens fileselect if filename property not set, otherwise executes */
234 int WM_operator_filesel(bContext *C, wmOperator *op, wmEvent *event)
235 {
236         if (RNA_property_is_set(op->ptr, "filename")) {
237                 return WM_operator_call(C, op);
238         } else {
239                 SpaceFile *sfile;
240
241                 ED_screen_full_newspace(C, CTX_wm_area(C), SPACE_FILE);
242                 
243                 /* settings for filebrowser */
244                 sfile= (SpaceFile*)CTX_wm_space_data(C);
245                 sfile->op = op;
246                 ED_fileselect_set_params(sfile, FILE_BLENDER, op->type->name, "", 0, 0, 0);
247
248                 /* screen and area have been reset already in ED_screen_full_newspace */
249                 return OPERATOR_RUNNING_MODAL;
250         }
251 }
252
253 /* op->poll */
254 int WM_operator_winactive(bContext *C)
255 {
256         if(CTX_wm_window(C)==NULL) return 0;
257         return 1;
258 }
259
260 /* ************ window / screen operator definitions ************** */
261
262 static void WM_OT_window_duplicate(wmOperatorType *ot)
263 {
264         ot->name= "Duplicate Window";
265         ot->idname= "WM_OT_window_duplicate";
266         
267         ot->invoke= WM_operator_confirm;
268         ot->exec= wm_window_duplicate_op;
269         ot->poll= WM_operator_winactive;
270 }
271
272 static void WM_OT_save_homefile(wmOperatorType *ot)
273 {
274         ot->name= "Save User Settings";
275         ot->idname= "WM_OT_save_homefile";
276         
277         ot->invoke= WM_operator_confirm;
278         ot->exec= WM_write_homefile;
279         ot->poll= WM_operator_winactive;
280 }
281
282 /* ********* recent file *********** */
283
284 static int recentfile_exec(bContext *C, wmOperator *op)
285 {
286         int event= RNA_enum_get(op->ptr, "nr");
287
288         // XXX wm in context is not set correctly after WM_read_file -> crash
289         // do it before for now, but is this correct with multiple windows?
290
291         if(event>0) {
292                 if (G.sce[0] && (event==1)) {
293                         WM_event_add_notifier(C, NC_WINDOW, NULL);
294                         WM_read_file(C, G.sce, op->reports);
295                 }
296                 else {
297                         struct RecentFile *recent = BLI_findlink(&(G.recent_files), event-2);
298                         if(recent) {
299                                 WM_event_add_notifier(C, NC_WINDOW, NULL);
300                                 WM_read_file(C, recent->filename, op->reports);
301                         }
302                 }
303         }
304         return 0;
305 }
306
307 static int wm_recentfile_invoke(bContext *C, wmOperator *op, wmEvent *event)
308 {
309         struct RecentFile *recent;
310         uiMenuItem *head;
311         int i, ofs= 0;
312
313         head= uiPupMenuBegin("Open Recent", 0);
314
315         if(G.sce[0]) {
316                 uiMenuItemIntO(head, G.sce, 0, op->type->idname, "nr", 1);
317                 ofs = 1;
318         }
319         
320         for(recent = G.recent_files.first, i=0; (i<U.recent_files) && (recent); recent = recent->next, i++)
321                 if(strcmp(recent->filename, G.sce))
322                         uiMenuItemIntO(head, recent->filename, 0, op->type->idname, "nr", i+ofs+1);
323
324         uiPupMenuEnd(C, head);
325         
326         return OPERATOR_CANCELLED;
327 }
328
329 static void WM_OT_open_recentfile(wmOperatorType *ot)
330 {
331         ot->name= "Open Recent File";
332         ot->idname= "WM_OT_open_recentfile";
333         
334         ot->invoke= wm_recentfile_invoke;
335         ot->exec= recentfile_exec;
336         ot->poll= WM_operator_winactive;
337         
338         RNA_def_property(ot->srna, "nr", PROP_ENUM, PROP_NONE);
339 }
340
341 /* ********* main file *********** */
342
343 static int wm_mainfile_invoke(bContext *C, wmOperator *op, wmEvent *event)
344 {
345         SpaceFile *sfile;
346         
347         ED_screen_full_newspace(C, CTX_wm_area(C), SPACE_FILE);
348
349         /* settings for filebrowser */
350         sfile= (SpaceFile*)CTX_wm_space_data(C);
351         sfile->op = op;
352         // XXX replace G.sce
353         ED_fileselect_set_params(sfile, FILE_BLENDER, "Load", G.sce, 0, 0, 0);
354
355         /* screen and area have been reset already in ED_screen_full_newspace */
356
357         return OPERATOR_RUNNING_MODAL;
358 }
359
360 static int wm_mainfile_exec(bContext *C, wmOperator *op)
361 {
362         char filename[FILE_MAX];
363         RNA_string_get(op->ptr, "filename", filename);
364         
365         // XXX wm in context is not set correctly after WM_read_file -> crash
366         // do it before for now, but is this correct with multiple windows?
367         WM_event_add_notifier(C, NC_WINDOW, NULL);
368
369         WM_read_file(C, filename, op->reports);
370         
371         return 0;
372 }
373
374 static void WM_OT_open_mainfile(wmOperatorType *ot)
375 {
376         ot->name= "Open Blender File";
377         ot->idname= "WM_OT_open_mainfile";
378         
379         ot->invoke= wm_mainfile_invoke;
380         ot->exec= wm_mainfile_exec;
381         ot->poll= WM_operator_winactive;
382         
383         ot->flag= 0;
384         
385         RNA_def_property(ot->srna, "filename", PROP_STRING, PROP_FILEPATH);
386
387 }
388
389 static int wm_save_as_mainfile_invoke(bContext *C, wmOperator *op, wmEvent *event)
390 {
391         SpaceFile *sfile;
392         
393         ED_screen_full_newspace(C, CTX_wm_area(C), SPACE_FILE);
394
395         /* settings for filebrowser */
396         sfile= (SpaceFile*)CTX_wm_space_data(C);
397         sfile->op = op;
398         // XXX replace G.sce
399         ED_fileselect_set_params(sfile, FILE_BLENDER, "Save As", G.sce, 0, 0, 0);
400
401         /* screen and area have been reset already in ED_screen_full_newspace */
402
403         return OPERATOR_RUNNING_MODAL;
404 }
405
406 static int wm_save_as_mainfile_exec(bContext *C, wmOperator *op)
407 {
408         char filename[FILE_MAX];
409         RNA_string_get(op->ptr, "filename", filename);
410         
411         WM_write_file(C, filename, op->reports);
412         
413         WM_event_add_notifier(C, NC_WINDOW, NULL);
414
415         return 0;
416 }
417
418 static void WM_OT_save_as_mainfile(wmOperatorType *ot)
419 {
420         ot->name= "Open Blender File";
421         ot->idname= "WM_OT_save_as_mainfile";
422         
423         ot->invoke= wm_save_as_mainfile_invoke;
424         ot->exec= wm_save_as_mainfile_exec;
425         ot->poll= WM_operator_winactive;
426         
427         ot->flag= 0;
428         
429         RNA_def_property(ot->srna, "filename", PROP_STRING, PROP_FILEPATH);
430
431 }
432
433 /* *********************** */
434
435 static void WM_OT_window_fullscreen_toggle(wmOperatorType *ot)
436 {
437     ot->name= "Toggle Fullscreen";
438     ot->idname= "WM_OT_window_fullscreen_toggle";
439
440     ot->invoke= WM_operator_confirm;
441     ot->exec= wm_window_fullscreen_toggle_op;
442     ot->poll= WM_operator_winactive;
443 }
444
445 static int wm_exit_blender_op(bContext *C, wmOperator *op)
446 {
447         WM_operator_free(op);
448         
449         WM_exit(C);     
450         
451         return OPERATOR_FINISHED;
452 }
453
454 static void WM_OT_exit_blender(wmOperatorType *ot)
455 {
456         ot->name= "Exit Blender";
457         ot->idname= "WM_OT_exit_blender";
458
459         ot->invoke= WM_operator_confirm;
460         ot->exec= wm_exit_blender_op;
461         ot->poll= WM_operator_winactive;
462 }
463
464 /* ************ default paint cursors, draw always around cursor *********** */
465 /*
466  - returns handler to free 
467  - poll(bContext): returns 1 if draw should happen
468  - draw(bContext): drawing callback for paint cursor
469 */
470
471 void *WM_paint_cursor_activate(wmWindowManager *wm, int (*poll)(bContext *C),
472                                void (*draw)(bContext *C, int, int, void *customdata), void *customdata)
473 {
474         wmPaintCursor *pc= MEM_callocN(sizeof(wmPaintCursor), "paint cursor");
475         
476         BLI_addtail(&wm->paintcursors, pc);
477         
478         pc->customdata = customdata;
479         pc->poll= poll;
480         pc->draw= draw;
481         
482         return pc;
483 }
484
485 void WM_paint_cursor_end(wmWindowManager *wm, void *handle)
486 {
487         wmPaintCursor *pc;
488         
489         for(pc= wm->paintcursors.first; pc; pc= pc->next) {
490                 if(pc == (wmPaintCursor *)handle) {
491                         BLI_remlink(&wm->paintcursors, pc);
492                         MEM_freeN(pc);
493                         return;
494                 }
495         }
496 }
497
498 /* ************ window gesture operator-callback definitions ************** */
499 /*
500  * These are default callbacks for use in operators requiring gesture input
501  */
502
503 /* **************** Border gesture *************** */
504
505 /* Border gesture has two types:
506    1) WM_GESTURE_CROSS_RECT: starts a cross, on mouse click it changes to border 
507    2) WM_GESTURE_RECT: starts immediate as a border, on mouse click or release it ends
508
509    It stores 4 values (xmin, xmax, ymin, ymax) and event it ended with (event_type)
510 */
511
512 static int border_apply(bContext *C, wmOperator *op, int event_type)
513 {
514         wmGesture *gesture= op->customdata;
515         rcti *rect= gesture->customdata;
516         
517         if(rect->xmin > rect->xmax)
518                 SWAP(int, rect->xmin, rect->xmax);
519         if(rect->ymin > rect->ymax)
520                 SWAP(int, rect->ymin, rect->ymax);
521         
522         if(rect->xmin==rect->xmax || rect->ymin==rect->ymax)
523                 return 0;
524                 
525         /* operator arguments and storage. */
526         RNA_int_set(op->ptr, "xmin", rect->xmin);
527         RNA_int_set(op->ptr, "ymin", rect->ymin);
528         RNA_int_set(op->ptr, "xmax", rect->xmax);
529         RNA_int_set(op->ptr, "ymax", rect->ymax);
530         if( RNA_struct_find_property(op->ptr, "event_type") )
531                 RNA_int_set(op->ptr, "event_type", event_type);
532         
533         op->type->exec(C, op);
534         
535         return 1;
536 }
537
538 static void wm_gesture_end(bContext *C, wmOperator *op)
539 {
540         wmGesture *gesture= op->customdata;
541         
542         WM_gesture_end(C, gesture);     /* frees gesture itself, and unregisters from window */
543         op->customdata= NULL;
544
545         ED_area_tag_redraw(CTX_wm_area(C));
546         
547 }
548
549 int WM_border_select_invoke(bContext *C, wmOperator *op, wmEvent *event)
550 {
551         op->customdata= WM_gesture_new(C, event, WM_GESTURE_CROSS_RECT);
552
553         /* add modal handler */
554         WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
555         
556         wm_gesture_tag_redraw(C);
557
558         return OPERATOR_RUNNING_MODAL;
559 }
560
561 int WM_border_select_modal(bContext *C, wmOperator *op, wmEvent *event)
562 {
563         wmGesture *gesture= op->customdata;
564         rcti *rect= gesture->customdata;
565         int sx, sy;
566         
567         switch(event->type) {
568                 case MOUSEMOVE:
569                         
570                         wm_subwindow_getorigin(CTX_wm_window(C), gesture->swinid, &sx, &sy);
571                         
572                         if(gesture->type==WM_GESTURE_CROSS_RECT && gesture->mode==0) {
573                                 rect->xmin= rect->xmax= event->x - sx;
574                                 rect->ymin= rect->ymax= event->y - sy;
575                         }
576                         else {
577                                 rect->xmax= event->x - sx;
578                                 rect->ymax= event->y - sy;
579                         }
580                         
581                         wm_gesture_tag_redraw(C);
582
583                         break;
584                         
585                 case LEFTMOUSE:
586                 case MIDDLEMOUSE:
587                 case RIGHTMOUSE:
588                         if(event->val==1) {
589                                 if(gesture->type==WM_GESTURE_CROSS_RECT && gesture->mode==0) {
590                                         gesture->mode= 1;
591                                         wm_gesture_tag_redraw(C);
592                                 }
593                         }
594                         else {
595                                 if(border_apply(C, op, event->type)) {
596                                         wm_gesture_end(C, op);
597                                         return OPERATOR_FINISHED;
598                                 }
599                                 wm_gesture_end(C, op);
600                                 return OPERATOR_CANCELLED;
601                         }
602                         break;
603                 case ESCKEY:
604                         wm_gesture_end(C, op);
605                         return OPERATOR_CANCELLED;
606         }
607         return OPERATOR_RUNNING_MODAL;
608 }
609
610 /* **************** circle gesture *************** */
611 /* works now only for selection or modal paint stuff, calls exec while hold mouse, exit on release */
612
613 int WM_gesture_circle_invoke(bContext *C, wmOperator *op, wmEvent *event)
614 {
615         op->customdata= WM_gesture_new(C, event, WM_GESTURE_CIRCLE);
616         
617         /* add modal handler */
618         WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
619         
620         wm_gesture_tag_redraw(C);
621         
622         return OPERATOR_RUNNING_MODAL;
623 }
624
625 static void gesture_circle_apply(bContext *C, wmOperator *op)
626 {
627         wmGesture *gesture= op->customdata;
628         rcti *rect= gesture->customdata;
629         
630         /* operator arguments and storage. */
631         RNA_int_set(op->ptr, "x", rect->xmin);
632         RNA_int_set(op->ptr, "y", rect->ymin);
633         RNA_int_set(op->ptr, "radius", rect->xmax);
634         
635         if(op->type->exec)
636                 op->type->exec(C, op);
637 }
638
639 int WM_gesture_circle_modal(bContext *C, wmOperator *op, wmEvent *event)
640 {
641         wmGesture *gesture= op->customdata;
642         rcti *rect= gesture->customdata;
643         int sx, sy;
644         
645         switch(event->type) {
646                 case MOUSEMOVE:
647                         
648                         wm_subwindow_getorigin(CTX_wm_window(C), gesture->swinid, &sx, &sy);
649                         
650                         rect->xmin= event->x - sx;
651                         rect->ymin= event->y - sy;
652                         
653                         wm_gesture_tag_redraw(C);
654                         
655                         if(gesture->mode)
656                                 gesture_circle_apply(C, op);
657
658                         break;
659                 case WHEELUPMOUSE:
660                         rect->xmax += 2 + rect->xmax/10;
661                         wm_gesture_tag_redraw(C);
662                         break;
663                 case WHEELDOWNMOUSE:
664                         rect->xmax -= 2 + rect->xmax/10;
665                         if(rect->xmax < 1) rect->xmax= 1;
666                         wm_gesture_tag_redraw(C);
667                         break;
668                 case LEFTMOUSE:
669                 case MIDDLEMOUSE:
670                 case RIGHTMOUSE:
671                         if(event->val==0) {     /* key release */
672                                 wm_gesture_end(C, op);
673                                 return OPERATOR_FINISHED;
674                         }
675                         else {
676                                 if( RNA_struct_find_property(op->ptr, "event_type") )
677                                         RNA_int_set(op->ptr, "event_type", event->type);
678                                 
679                                 /* apply first click */
680                                 gesture_circle_apply(C, op);
681                                 gesture->mode= 1;
682                         }
683                         break;
684                 case ESCKEY:
685                         wm_gesture_end(C, op);
686                         return OPERATOR_CANCELLED;
687         }
688         return OPERATOR_RUNNING_MODAL;
689 }
690
691 #if 0
692 /* template to copy from */
693 void WM_OT_circle_gesture(wmOperatorType *ot)
694 {
695         ot->name= "Circle Gesture";
696         ot->idname= "WM_OT_circle_gesture";
697         
698         ot->invoke= WM_gesture_circle_invoke;
699         ot->modal= WM_gesture_circle_modal;
700         
701         ot->poll= WM_operator_winactive;
702         
703         RNA_def_property(ot->srna, "x", PROP_INT, PROP_NONE);
704         RNA_def_property(ot->srna, "y", PROP_INT, PROP_NONE);
705         RNA_def_property(ot->srna, "radius", PROP_INT, PROP_NONE);
706
707 }
708 #endif
709
710 /* **************** Tweak gesture *************** */
711
712 static void tweak_gesture_modal(bContext *C, wmEvent *event)
713 {
714         wmWindow *window= CTX_wm_window(C);
715         wmGesture *gesture= window->tweak;
716         rcti *rect= gesture->customdata;
717         int sx, sy, val;
718         
719         switch(event->type) {
720                 case MOUSEMOVE:
721                         
722                         wm_subwindow_getorigin(window, gesture->swinid, &sx, &sy);
723                         
724                         rect->xmax= event->x - sx;
725                         rect->ymax= event->y - sy;
726                         
727                         if((val= wm_gesture_evaluate(C, gesture))) {
728                                 wmEvent event;
729
730                                 event= *(window->eventstate);
731                                 if(gesture->event_type==LEFTMOUSE)
732                                         event.type= EVT_TWEAK_L;
733                                 else if(gesture->event_type==RIGHTMOUSE)
734                                         event.type= EVT_TWEAK_R;
735                                 else
736                                         event.type= EVT_TWEAK_M;
737                                 event.val= val;
738                                 /* mouse coords! */
739                                 wm_event_add(window, &event);
740                                 
741                                 WM_gesture_end(C, gesture);     /* frees gesture itself, and unregisters from window */
742                                 window->tweak= NULL;
743                         }
744                         
745                         break;
746                         
747                 case LEFTMOUSE:
748                 case RIGHTMOUSE:
749                 case MIDDLEMOUSE:
750                         if(gesture->event_type==event->type) {
751                                 WM_gesture_end(C, gesture);
752                                 window->tweak= NULL;
753                                 
754                                 /* when tweak fails we should give the other keymap entries a chance */
755                                 event->val= KM_RELEASE;
756                         }
757                         break;
758                 default:
759                         WM_gesture_end(C, gesture);
760                         window->tweak= NULL;
761         }
762 }
763
764 /* standard tweak, called after window handlers passed on event */
765 void wm_tweakevent_test(bContext *C, wmEvent *event, int action)
766 {
767         wmWindow *win= CTX_wm_window(C);
768         
769         if(win->tweak==NULL) {
770                 if(CTX_wm_region(C)) {
771                         if(event->val) { // pressed
772                                 if( ELEM3(event->type, LEFTMOUSE, MIDDLEMOUSE, RIGHTMOUSE) )
773                                         win->tweak= WM_gesture_new(C, event, WM_GESTURE_TWEAK);
774                         }
775                 }
776         }
777         else {
778                 if(action==WM_HANDLER_BREAK) {
779                         WM_gesture_end(C, win->tweak);
780                         win->tweak= NULL;
781                 }
782                 else
783                         tweak_gesture_modal(C, event);
784         }
785 }
786
787 /* *********************** lasso gesture ****************** */
788
789 int WM_gesture_lasso_invoke(bContext *C, wmOperator *op, wmEvent *event)
790 {
791         op->customdata= WM_gesture_new(C, event, WM_GESTURE_LASSO);
792         
793         /* add modal handler */
794         WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
795         
796         wm_gesture_tag_redraw(C);
797         
798         return OPERATOR_RUNNING_MODAL;
799 }
800
801
802 static void gesture_lasso_apply(bContext *C, wmOperator *op, int event_type)
803 {
804         wmGesture *gesture= op->customdata;
805         PointerRNA itemptr;
806         float loc[2];
807         int i;
808         short *lasso= gesture->customdata;
809         
810         /* operator storage as path. */
811
812         for(i=0; i<gesture->points; i++, lasso+=2) {
813                 loc[0]= lasso[0];
814                 loc[1]= lasso[1];
815                 RNA_collection_add(op->ptr, "path", &itemptr);
816                 RNA_float_set_array(&itemptr, "loc", loc);
817         }
818         
819         wm_gesture_end(C, op);
820                 
821         if(op->type->exec)
822                 op->type->exec(C, op);
823         
824 }
825
826 int WM_gesture_lasso_modal(bContext *C, wmOperator *op, wmEvent *event)
827 {
828         wmGesture *gesture= op->customdata;
829         int sx, sy;
830         
831         switch(event->type) {
832                 case MOUSEMOVE:
833                         
834                         wm_gesture_tag_redraw(C);
835                         
836                         wm_subwindow_getorigin(CTX_wm_window(C), gesture->swinid, &sx, &sy);
837                         if(gesture->points < WM_LASSO_MAX_POINTS) {
838                                 short *lasso= gesture->customdata;
839                                 lasso += 2 * gesture->points;
840                                 lasso[0] = event->x - sx;
841                                 lasso[1] = event->y - sy;
842                                 gesture->points++;
843                         }
844                         else {
845                                 gesture_lasso_apply(C, op, event->type);
846                                 return OPERATOR_FINISHED;
847                         }
848                         break;
849                         
850                 case LEFTMOUSE:
851                 case MIDDLEMOUSE:
852                 case RIGHTMOUSE:
853                         if(event->val==0) {     /* key release */
854                                 gesture_lasso_apply(C, op, event->type);
855                                 return OPERATOR_FINISHED;
856                         }
857                         break;
858                 case ESCKEY:
859                         wm_gesture_end(C, op);
860                         return OPERATOR_CANCELLED;
861         }
862         return OPERATOR_RUNNING_MODAL;
863 }
864
865 #if 0
866 /* template to copy from */
867
868 static int gesture_lasso_exec(bContext *C, wmOperator *op)
869 {
870         RNA_BEGIN(op->ptr, itemptr, "path") {
871                 float loc[2];
872                 
873                 RNA_float_get_array(&itemptr, "loc", loc);
874                 printf("Location: %f %f\n", loc[0], loc[1]);
875         }
876         RNA_END;
877         
878         return OPERATOR_FINISHED;
879 }
880
881 void WM_OT_lasso_gesture(wmOperatorType *ot)
882 {
883         PropertyRNA *prop;
884         
885         ot->name= "Lasso Gesture";
886         ot->idname= "WM_OT_lasso_gesture";
887         
888         ot->invoke= WM_gesture_lasso_invoke;
889         ot->modal= WM_gesture_lasso_modal;
890         ot->exec= gesture_lasso_exec;
891         
892         ot->poll= WM_operator_winactive;
893         
894         prop= RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
895         RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
896 }
897 #endif
898
899 /* *********************** radial control ****************** */
900
901 const int WM_RADIAL_CONTROL_DISPLAY_SIZE = 200;
902
903 typedef struct wmRadialControl {
904         int mode;
905         float initial_value, value, max_value;
906         int initial_mouse[2];
907         void *cursor;
908         GLuint tex;
909 } wmRadialControl;
910
911 static void wm_radial_control_paint(bContext *C, int x, int y, void *customdata)
912 {
913         wmRadialControl *rc = (wmRadialControl*)customdata;
914         ARegion *ar = CTX_wm_region(C);
915         float r1=0.0f, r2=0.0f, r3=0.0f, angle=0.0f;
916
917         /* Keep cursor in the original place */
918         x = rc->initial_mouse[0] - ar->winrct.xmin;
919         y = rc->initial_mouse[1] - ar->winrct.ymin;
920
921         glPushMatrix();
922         
923         glTranslatef((float)x, (float)y, 0.0f);
924
925         if(rc->mode == WM_RADIALCONTROL_SIZE) {
926                 r1= rc->value;
927                 r2= rc->initial_value;
928                 r3= r1;
929         } else if(rc->mode == WM_RADIALCONTROL_STRENGTH) {
930                 r1= (1 - rc->value) * WM_RADIAL_CONTROL_DISPLAY_SIZE;
931                 r2= WM_RADIAL_CONTROL_DISPLAY_SIZE;
932                 r3= WM_RADIAL_CONTROL_DISPLAY_SIZE;
933         } else if(rc->mode == WM_RADIALCONTROL_ANGLE) {
934                 r1= r2= WM_RADIAL_CONTROL_DISPLAY_SIZE;
935                 r3= WM_RADIAL_CONTROL_DISPLAY_SIZE;
936                 angle = rc->value;
937         }
938
939         glColor4ub(255, 255, 255, 128);
940         glEnable( GL_LINE_SMOOTH );
941         glEnable(GL_BLEND);
942
943         if(rc->mode == WM_RADIALCONTROL_ANGLE)
944                 fdrawline(0, 0, WM_RADIAL_CONTROL_DISPLAY_SIZE, 0);
945
946         if(rc->tex) {
947                 const float str = rc->mode == WM_RADIALCONTROL_STRENGTH ? (rc->value + 0.5) : 1;
948
949                 if(rc->mode == WM_RADIALCONTROL_ANGLE) {
950                         glRotatef(angle, 0, 0, 1);
951                         fdrawline(0, 0, WM_RADIAL_CONTROL_DISPLAY_SIZE, 0);
952                 }
953
954                 glBindTexture(GL_TEXTURE_2D, rc->tex);
955
956                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
957                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
958
959                 glEnable(GL_TEXTURE_2D);
960                 glBegin(GL_QUADS);
961                 glColor4f(0,0,0, str);
962                 glTexCoord2f(0,0);
963                 glVertex2f(-r3, -r3);
964                 glTexCoord2f(1,0);
965                 glVertex2f(r3, -r3);
966                 glTexCoord2f(1,1);
967                 glVertex2f(r3, r3);
968                 glTexCoord2f(0,1);
969                 glVertex2f(-r3, r3);
970                 glEnd();
971                 glDisable(GL_TEXTURE_2D);
972         }
973
974         glColor4ub(255, 255, 255, 128); 
975         glutil_draw_lined_arc(0.0, M_PI*2.0, r1, 40);
976         glutil_draw_lined_arc(0.0, M_PI*2.0, r2, 40);
977         glDisable(GL_BLEND);
978         glDisable( GL_LINE_SMOOTH );
979         
980         glPopMatrix();
981 }
982
983 int WM_radial_control_modal(bContext *C, wmOperator *op, wmEvent *event)
984 {
985         wmRadialControl *rc = (wmRadialControl*)op->customdata;
986         int mode, initial_mouse[2], delta[2];
987         float dist;
988         double new_value = RNA_float_get(op->ptr, "new_value");
989         int ret = OPERATOR_RUNNING_MODAL;
990
991         mode = RNA_int_get(op->ptr, "mode");
992         RNA_int_get_array(op->ptr, "initial_mouse", initial_mouse);
993
994         switch(event->type) {
995         case MOUSEMOVE:
996                 delta[0]= initial_mouse[0] - event->x;
997                 delta[1]= initial_mouse[1] - event->y;
998                 dist= sqrt(delta[0]*delta[0]+delta[1]*delta[1]);
999
1000                 if(mode == WM_RADIALCONTROL_SIZE)
1001                         new_value = dist;
1002                 else if(mode == WM_RADIALCONTROL_STRENGTH) {
1003                         new_value = 1 - dist / WM_RADIAL_CONTROL_DISPLAY_SIZE;
1004                 } else if(mode == WM_RADIALCONTROL_ANGLE)
1005                         new_value = ((int)(atan2(delta[1], delta[0]) * (180.0 / M_PI)) + 180);
1006                 
1007                 if(event->ctrl) {
1008                         if(mode == WM_RADIALCONTROL_STRENGTH)
1009                                 new_value = ((int)(new_value * 100) / 10*10) / 100.0f;
1010                         else
1011                                 new_value = ((int)new_value + 5) / 10*10;
1012                 }
1013                 
1014                 break;
1015         case ESCKEY:
1016         case RIGHTMOUSE:
1017                 ret = OPERATOR_CANCELLED;
1018                 break;
1019         case LEFTMOUSE:
1020         case PADENTER:
1021                 op->type->exec(C, op);
1022                 ret = OPERATOR_FINISHED;
1023                 break;
1024         }
1025
1026         /* Clamp */
1027         if(new_value > rc->max_value)
1028                 new_value = rc->max_value;
1029         else if(new_value < 0)
1030                 new_value = 0;
1031
1032         /* Update paint data */
1033         rc->value = new_value;
1034
1035         RNA_float_set(op->ptr, "new_value", new_value);
1036
1037         if(ret != OPERATOR_RUNNING_MODAL) {
1038                 WM_paint_cursor_end(CTX_wm_manager(C), rc->cursor);
1039                 MEM_freeN(rc);
1040         }
1041         
1042         ED_region_tag_redraw(CTX_wm_region(C));
1043
1044         return ret;
1045 }
1046
1047 /* Expects the operator customdata to be an ImBuf (or NULL) */
1048 int WM_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
1049 {
1050         wmRadialControl *rc = MEM_callocN(sizeof(wmRadialControl), "radial control");
1051         int mode = RNA_int_get(op->ptr, "mode");
1052         float initial_value = RNA_float_get(op->ptr, "initial_value");
1053         int mouse[2] = {event->x, event->y};
1054
1055         if(mode == WM_RADIALCONTROL_SIZE) {
1056                 rc->max_value = 200;
1057                 mouse[0]-= initial_value;
1058         }
1059         else if(mode == WM_RADIALCONTROL_STRENGTH) {
1060                 rc->max_value = 1;
1061                 mouse[0]-= WM_RADIAL_CONTROL_DISPLAY_SIZE * (1 - initial_value);
1062         }
1063         else if(mode == WM_RADIALCONTROL_ANGLE) {
1064                 rc->max_value = 360;
1065                 mouse[0]-= WM_RADIAL_CONTROL_DISPLAY_SIZE * cos(initial_value);
1066                 mouse[1]-= WM_RADIAL_CONTROL_DISPLAY_SIZE * sin(initial_value);
1067                 initial_value *= 180.0f/M_PI;
1068         }
1069
1070         if(op->customdata) {
1071                 ImBuf *im = (ImBuf*)op->customdata;
1072                 /* Build GL texture */
1073                 glGenTextures(1, &rc->tex);
1074                 glBindTexture(GL_TEXTURE_2D, rc->tex);
1075                 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, im->x, im->y, 0, GL_ALPHA, GL_FLOAT, im->rect_float);
1076                 MEM_freeN(im->rect_float);
1077                 MEM_freeN(im);
1078         }
1079
1080         RNA_int_set_array(op->ptr, "initial_mouse", mouse);
1081         RNA_float_set(op->ptr, "new_value", initial_value);
1082                 
1083         op->customdata = rc;
1084         rc->mode = mode;
1085         rc->initial_value = initial_value;
1086         rc->initial_mouse[0] = mouse[0];
1087         rc->initial_mouse[1] = mouse[1];
1088         rc->cursor = WM_paint_cursor_activate(CTX_wm_manager(C), op->type->poll,
1089                                               wm_radial_control_paint, op->customdata);
1090
1091         /* add modal handler */
1092         WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
1093         
1094         WM_radial_control_modal(C, op, event);
1095         
1096         return OPERATOR_RUNNING_MODAL;
1097 }
1098
1099 /* Gets a descriptive string of the operation */
1100 void WM_radial_control_string(wmOperator *op, char str[], int maxlen)
1101 {
1102         int mode = RNA_int_get(op->ptr, "mode");
1103         float v = RNA_float_get(op->ptr, "new_value");
1104
1105         if(mode == WM_RADIALCONTROL_SIZE)
1106                 sprintf(str, "Size: %d", (int)v);
1107         else if(mode == WM_RADIALCONTROL_STRENGTH)
1108                 sprintf(str, "Strength: %d", (int)v);
1109         else if(mode == WM_RADIALCONTROL_ANGLE)
1110                 sprintf(str, "Angle: %d", (int)(v * 180.0f/M_PI));
1111 }
1112
1113 /** Important: this doesn't define an actual operator, it
1114     just sets up the common parts of the radial control op. **/
1115 void WM_OT_radial_control_partial(wmOperatorType *ot)
1116 {
1117         static EnumPropertyItem prop_mode_items[] = {
1118                 {WM_RADIALCONTROL_SIZE, "SIZE", "Size", ""},
1119                 {WM_RADIALCONTROL_STRENGTH, "STRENGTH", "Strength", ""},
1120                 {WM_RADIALCONTROL_ANGLE, "ANGLE", "Angle", ""},
1121                 {0, NULL, NULL, NULL}};
1122
1123         /* Should be set in custom invoke() */
1124         RNA_def_float(ot->srna, "initial_value", 0, 0, FLT_MAX, "Initial Value", "", 0, FLT_MAX);
1125
1126         /* Set internally, should be used in custom exec() to get final value */
1127         RNA_def_float(ot->srna, "new_value", 0, 0, FLT_MAX, "New Value", "", 0, FLT_MAX);
1128
1129         /* Should be set before calling operator */
1130         RNA_def_enum(ot->srna, "mode", prop_mode_items, 0, "Mode", "");
1131
1132         /* Internal */
1133         RNA_def_int_vector(ot->srna, "initial_mouse", 2, NULL, INT_MIN, INT_MAX, "initial_mouse", "", INT_MIN, INT_MAX);
1134 }
1135
1136 /* ******************************************************* */
1137  
1138 /* called on initialize WM_exit() */
1139 void wm_operatortype_free(void)
1140 {
1141         BLI_freelistN(&global_ops);
1142 }
1143
1144 /* called on initialize WM_init() */
1145 void wm_operatortype_init(void)
1146 {
1147         WM_operatortype_append(WM_OT_window_duplicate);
1148         WM_operatortype_append(WM_OT_save_homefile);
1149         WM_operatortype_append(WM_OT_window_fullscreen_toggle);
1150         WM_operatortype_append(WM_OT_exit_blender);
1151         WM_operatortype_append(WM_OT_open_recentfile);
1152         WM_operatortype_append(WM_OT_open_mainfile);
1153         WM_operatortype_append(WM_OT_jobs_timer);
1154         WM_operatortype_append(WM_OT_save_as_mainfile);
1155 }
1156
1157 /* default keymap for windows and screens, only call once per WM */
1158 void wm_window_keymap(wmWindowManager *wm)
1159 {
1160         ListBase *keymap= WM_keymap_listbase(wm, "Window", 0, 0);
1161         
1162         /* items to make WM work */
1163         WM_keymap_verify_item(keymap, "WM_OT_jobs_timer", TIMERJOBS, KM_ANY, KM_ANY, 0);
1164         
1165         /* note, this doesn't replace existing keymap items */
1166         WM_keymap_verify_item(keymap, "WM_OT_window_duplicate", WKEY, KM_PRESS, KM_CTRL|KM_ALT, 0);
1167         WM_keymap_verify_item(keymap, "WM_OT_save_homefile", UKEY, KM_PRESS, KM_CTRL, 0);
1168         WM_keymap_verify_item(keymap, "WM_OT_open_recentfile", OKEY, KM_PRESS, KM_CTRL, 0);
1169         WM_keymap_verify_item(keymap, "WM_OT_open_mainfile", F1KEY, KM_PRESS, 0, 0);
1170         WM_keymap_verify_item(keymap, "WM_OT_save_as_mainfile", F2KEY, KM_PRESS, 0, 0);
1171         WM_keymap_verify_item(keymap, "WM_OT_window_fullscreen_toggle", F11KEY, KM_PRESS, 0, 0);
1172         WM_keymap_verify_item(keymap, "WM_OT_exit_blender", QKEY, KM_PRESS, KM_CTRL, 0);
1173
1174 }
1175