Fix missing non-ID nodetrees in ID relationships built from library_query.c
[blender-staging.git] / source / blender / windowmanager / intern / wm_operators.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2007 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/windowmanager/intern/wm_operators.c
28  *  \ingroup wm
29  *
30  * Functions for dealing with wmOperator, adding, removing, calling
31  * as well as some generic operators and shared operator properties.
32  */
33
34
35 #include <float.h>
36 #include <string.h>
37 #include <ctype.h>
38 #include <stdio.h>
39 #include <stddef.h>
40 #include <assert.h>
41 #include <errno.h>
42
43 #ifdef WIN32
44 #  include "GHOST_C-api.h"
45 #endif
46
47 #include "MEM_guardedalloc.h"
48
49 #include "DNA_ID.h"
50 #include "DNA_object_types.h"
51 #include "DNA_screen_types.h"
52 #include "DNA_scene_types.h"
53 #include "DNA_userdef_types.h"
54 #include "DNA_windowmanager_types.h"
55
56 #include "BLT_translation.h"
57
58 #include "PIL_time.h"
59
60 #include "BLI_blenlib.h"
61 #include "BLI_dial.h"
62 #include "BLI_dynstr.h" /*for WM_operator_pystring */
63 #include "BLI_math.h"
64 #include "BLI_utildefines.h"
65 #include "BLI_ghash.h"
66
67 #include "BLO_readfile.h"
68
69 #include "BKE_appdir.h"
70 #include "BKE_blender_version.h"
71 #include "BKE_brush.h"
72 #include "BKE_context.h"
73 #include "BKE_depsgraph.h"
74 #include "BKE_icons.h"
75 #include "BKE_idprop.h"
76 #include "BKE_image.h"
77 #include "BKE_library.h"
78 #include "BKE_library_query.h"
79 #include "BKE_global.h"
80 #include "BKE_main.h"
81 #include "BKE_material.h"
82 #include "BKE_report.h"
83 #include "BKE_scene.h"
84 #include "BKE_screen.h" /* BKE_ST_MAXNAME */
85 #include "BKE_unit.h"
86
87 #include "BKE_idcode.h"
88
89 #include "BIF_glutil.h" /* for paint cursor */
90 #include "BLF_api.h"
91
92 #include "IMB_imbuf_types.h"
93 #include "IMB_imbuf.h"
94
95 #include "ED_numinput.h"
96 #include "ED_screen.h"
97 #include "ED_util.h"
98 #include "ED_view3d.h"
99
100 #include "GPU_basic_shader.h"
101
102 #include "RNA_access.h"
103 #include "RNA_define.h"
104 #include "RNA_enum_types.h"
105
106 #include "UI_interface.h"
107 #include "UI_interface_icons.h"
108 #include "UI_resources.h"
109
110 #include "WM_api.h"
111 #include "WM_types.h"
112
113 #include "wm.h"
114 #include "wm_draw.h"
115 #include "wm_event_system.h"
116 #include "wm_event_types.h"
117 #include "wm_files.h"
118 #include "wm_subwindow.h"
119 #include "wm_window.h"
120
121 static GHash *global_ops_hash = NULL;
122
123 #define UNDOCUMENTED_OPERATOR_TIP N_("(undocumented operator)")
124
125 /* ************ operator API, exported ********** */
126
127
128 wmOperatorType *WM_operatortype_find(const char *idname, bool quiet)
129 {
130         if (idname[0]) {
131                 wmOperatorType *ot;
132
133                 /* needed to support python style names without the _OT_ syntax */
134                 char idname_bl[OP_MAX_TYPENAME];
135                 WM_operator_bl_idname(idname_bl, idname);
136
137                 ot = BLI_ghash_lookup(global_ops_hash, idname_bl);
138                 if (ot) {
139                         return ot;
140                 }
141
142                 if (!quiet) {
143                         printf("search for unknown operator '%s', '%s'\n", idname_bl, idname);
144                 }
145         }
146         else {
147                 if (!quiet) {
148                         printf("search for empty operator\n");
149                 }
150         }
151
152         return NULL;
153 }
154
155 /* caller must free */
156 void WM_operatortype_iter(GHashIterator *ghi)
157 {
158         BLI_ghashIterator_init(ghi, global_ops_hash);
159 }
160
161 /* all ops in 1 list (for time being... needs evaluation later) */
162 void WM_operatortype_append(void (*opfunc)(wmOperatorType *))
163 {
164         wmOperatorType *ot;
165         
166         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
167         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
168         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
169         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
170         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
171         opfunc(ot);
172
173         if (ot->name == NULL) {
174                 fprintf(stderr, "ERROR: Operator %s has no name property!\n", ot->idname);
175                 ot->name = N_("Dummy Name");
176         }
177
178         /* XXX All ops should have a description but for now allow them not to. */
179         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description ? ot->description : UNDOCUMENTED_OPERATOR_TIP);
180         RNA_def_struct_identifier(ot->srna, ot->idname);
181
182         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
183 }
184
185 void WM_operatortype_append_ptr(void (*opfunc)(wmOperatorType *, void *), void *userdata)
186 {
187         wmOperatorType *ot;
188
189         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
190         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
191         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
192         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
193         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
194         opfunc(ot, userdata);
195         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description ? ot->description : UNDOCUMENTED_OPERATOR_TIP);
196         RNA_def_struct_identifier(ot->srna, ot->idname);
197
198         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
199 }
200
201 /* ********************* macro operator ******************** */
202
203 typedef struct {
204         int retval;
205 } MacroData;
206
207 static void wm_macro_start(wmOperator *op)
208 {
209         if (op->customdata == NULL) {
210                 op->customdata = MEM_callocN(sizeof(MacroData), "MacroData");
211         }
212 }
213
214 static int wm_macro_end(wmOperator *op, int retval)
215 {
216         if (retval & OPERATOR_CANCELLED) {
217                 MacroData *md = op->customdata;
218
219                 if (md->retval & OPERATOR_FINISHED) {
220                         retval |= OPERATOR_FINISHED;
221                         retval &= ~OPERATOR_CANCELLED;
222                 }
223         }
224
225         /* if modal is ending, free custom data */
226         if (retval & (OPERATOR_FINISHED | OPERATOR_CANCELLED)) {
227                 if (op->customdata) {
228                         MEM_freeN(op->customdata);
229                         op->customdata = NULL;
230                 }
231         }
232
233         return retval;
234 }
235
236 /* macro exec only runs exec calls */
237 static int wm_macro_exec(bContext *C, wmOperator *op)
238 {
239         wmOperator *opm;
240         int retval = OPERATOR_FINISHED;
241         
242         wm_macro_start(op);
243
244         for (opm = op->macro.first; opm; opm = opm->next) {
245                 
246                 if (opm->type->exec) {
247                         retval = opm->type->exec(C, opm);
248                         OPERATOR_RETVAL_CHECK(retval);
249                 
250                         if (retval & OPERATOR_FINISHED) {
251                                 MacroData *md = op->customdata;
252                                 md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
253                         }
254                         else {
255                                 break; /* operator didn't finish, end macro */
256                         }
257                 }
258                 else {
259                         printf("%s: '%s' cant exec macro\n", __func__, opm->type->idname);
260                 }
261         }
262         
263         return wm_macro_end(op, retval);
264 }
265
266 static int wm_macro_invoke_internal(bContext *C, wmOperator *op, const wmEvent *event, wmOperator *opm)
267 {
268         int retval = OPERATOR_FINISHED;
269
270         /* start from operator received as argument */
271         for (; opm; opm = opm->next) {
272                 if (opm->type->invoke)
273                         retval = opm->type->invoke(C, opm, event);
274                 else if (opm->type->exec)
275                         retval = opm->type->exec(C, opm);
276
277                 OPERATOR_RETVAL_CHECK(retval);
278
279                 BLI_movelisttolist(&op->reports->list, &opm->reports->list);
280                 
281                 if (retval & OPERATOR_FINISHED) {
282                         MacroData *md = op->customdata;
283                         md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
284                 }
285                 else {
286                         break; /* operator didn't finish, end macro */
287                 }
288         }
289
290         return wm_macro_end(op, retval);
291 }
292
293 static int wm_macro_invoke(bContext *C, wmOperator *op, const wmEvent *event)
294 {
295         wm_macro_start(op);
296         return wm_macro_invoke_internal(C, op, event, op->macro.first);
297 }
298
299 static int wm_macro_modal(bContext *C, wmOperator *op, const wmEvent *event)
300 {
301         wmOperator *opm = op->opm;
302         int retval = OPERATOR_FINISHED;
303         
304         if (opm == NULL)
305                 printf("%s: macro error, calling NULL modal()\n", __func__);
306         else {
307                 retval = opm->type->modal(C, opm, event);
308                 OPERATOR_RETVAL_CHECK(retval);
309
310                 /* if we're halfway through using a tool and cancel it, clear the options [#37149] */
311                 if (retval & OPERATOR_CANCELLED) {
312                         WM_operator_properties_clear(opm->ptr);
313                 }
314
315                 /* if this one is done but it's not the last operator in the macro */
316                 if ((retval & OPERATOR_FINISHED) && opm->next) {
317                         MacroData *md = op->customdata;
318
319                         md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
320
321                         retval = wm_macro_invoke_internal(C, op, event, opm->next);
322
323                         /* if new operator is modal and also added its own handler */
324                         if (retval & OPERATOR_RUNNING_MODAL && op->opm != opm) {
325                                 wmWindow *win = CTX_wm_window(C);
326                                 wmEventHandler *handler;
327
328                                 handler = BLI_findptr(&win->modalhandlers, op, offsetof(wmEventHandler, op));
329                                 if (handler) {
330                                         BLI_remlink(&win->modalhandlers, handler);
331                                         wm_event_free_handler(handler);
332                                 }
333
334                                 /* if operator is blocking, grab cursor
335                                  * This may end up grabbing twice, but we don't care.
336                                  * */
337                                 if (op->opm->type->flag & OPTYPE_BLOCKING) {
338                                         int bounds[4] = {-1, -1, -1, -1};
339                                         const bool wrap = (
340                                                 (U.uiflag & USER_CONTINUOUS_MOUSE) &&
341                                                 ((op->opm->flag & OP_IS_MODAL_GRAB_CURSOR) || (op->opm->type->flag & OPTYPE_GRAB_CURSOR)));
342
343                                         if (wrap) {
344                                                 ARegion *ar = CTX_wm_region(C);
345                                                 if (ar) {
346                                                         bounds[0] = ar->winrct.xmin;
347                                                         bounds[1] = ar->winrct.ymax;
348                                                         bounds[2] = ar->winrct.xmax;
349                                                         bounds[3] = ar->winrct.ymin;
350                                                 }
351                                         }
352
353                                         WM_cursor_grab_enable(win, wrap, false, bounds);
354                                 }
355                         }
356                 }
357         }
358
359         return wm_macro_end(op, retval);
360 }
361
362 static void wm_macro_cancel(bContext *C, wmOperator *op)
363 {
364         /* call cancel on the current modal operator, if any */
365         if (op->opm && op->opm->type->cancel) {
366                 op->opm->type->cancel(C, op->opm);
367         }
368
369         wm_macro_end(op, OPERATOR_CANCELLED);
370 }
371
372 /* Names have to be static for now */
373 wmOperatorType *WM_operatortype_append_macro(const char *idname, const char *name, const char *description, int flag)
374 {
375         wmOperatorType *ot;
376         const char *i18n_context;
377         
378         if (WM_operatortype_find(idname, true)) {
379                 printf("%s: macro error: operator %s exists\n", __func__, idname);
380                 return NULL;
381         }
382         
383         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
384         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
385         
386         ot->idname = idname;
387         ot->name = name;
388         ot->description = description;
389         ot->flag = OPTYPE_MACRO | flag;
390         
391         ot->exec = wm_macro_exec;
392         ot->invoke = wm_macro_invoke;
393         ot->modal = wm_macro_modal;
394         ot->cancel = wm_macro_cancel;
395         ot->poll = NULL;
396
397         if (!ot->description) /* XXX All ops should have a description but for now allow them not to. */
398                 ot->description = UNDOCUMENTED_OPERATOR_TIP;
399         
400         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description);
401         RNA_def_struct_identifier(ot->srna, ot->idname);
402         /* Use i18n context from ext.srna if possible (py operators). */
403         i18n_context = ot->ext.srna ? RNA_struct_translation_context(ot->ext.srna) : BLT_I18NCONTEXT_OPERATOR_DEFAULT;
404         RNA_def_struct_translation_context(ot->srna, i18n_context);
405         ot->translation_context = i18n_context;
406
407         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
408
409         return ot;
410 }
411
412 void WM_operatortype_append_macro_ptr(void (*opfunc)(wmOperatorType *, void *), void *userdata)
413 {
414         wmOperatorType *ot;
415
416         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
417         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
418
419         ot->flag = OPTYPE_MACRO;
420         ot->exec = wm_macro_exec;
421         ot->invoke = wm_macro_invoke;
422         ot->modal = wm_macro_modal;
423         ot->cancel = wm_macro_cancel;
424         ot->poll = NULL;
425
426         if (!ot->description)
427                 ot->description = UNDOCUMENTED_OPERATOR_TIP;
428
429         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
430         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
431         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
432         opfunc(ot, userdata);
433
434         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description);
435         RNA_def_struct_identifier(ot->srna, ot->idname);
436
437         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
438 }
439
440 wmOperatorTypeMacro *WM_operatortype_macro_define(wmOperatorType *ot, const char *idname)
441 {
442         wmOperatorTypeMacro *otmacro = MEM_callocN(sizeof(wmOperatorTypeMacro), "wmOperatorTypeMacro");
443
444         BLI_strncpy(otmacro->idname, idname, OP_MAX_TYPENAME);
445
446         /* do this on first use, since operatordefinitions might have been not done yet */
447         WM_operator_properties_alloc(&(otmacro->ptr), &(otmacro->properties), idname);
448         WM_operator_properties_sanitize(otmacro->ptr, 1);
449
450         BLI_addtail(&ot->macro, otmacro);
451
452         {
453                 /* operator should always be found but in the event its not. don't segfault */
454                 wmOperatorType *otsub = WM_operatortype_find(idname, 0);
455                 if (otsub) {
456                         RNA_def_pointer_runtime(ot->srna, otsub->idname, otsub->srna,
457                                                 otsub->name, otsub->description);
458                 }
459         }
460
461         return otmacro;
462 }
463
464 static void wm_operatortype_free_macro(wmOperatorType *ot)
465 {
466         wmOperatorTypeMacro *otmacro;
467         
468         for (otmacro = ot->macro.first; otmacro; otmacro = otmacro->next) {
469                 if (otmacro->ptr) {
470                         WM_operator_properties_free(otmacro->ptr);
471                         MEM_freeN(otmacro->ptr);
472                 }
473         }
474         BLI_freelistN(&ot->macro);
475 }
476
477 void WM_operatortype_remove_ptr(wmOperatorType *ot)
478 {
479         BLI_assert(ot == WM_operatortype_find(ot->idname, false));
480
481         RNA_struct_free(&BLENDER_RNA, ot->srna);
482
483         if (ot->last_properties) {
484                 IDP_FreeProperty(ot->last_properties);
485                 MEM_freeN(ot->last_properties);
486         }
487
488         if (ot->macro.first)
489                 wm_operatortype_free_macro(ot);
490
491         BLI_ghash_remove(global_ops_hash, ot->idname, NULL, NULL);
492
493         WM_keyconfig_update_operatortype();
494
495         MEM_freeN(ot);
496 }
497
498 bool WM_operatortype_remove(const char *idname)
499 {
500         wmOperatorType *ot = WM_operatortype_find(idname, 0);
501
502         if (ot == NULL)
503                 return false;
504
505         WM_operatortype_remove_ptr(ot);
506
507         return true;
508 }
509
510 /**
511  * Remove memory of all previously executed tools.
512  */
513 void WM_operatortype_last_properties_clear_all(void)
514 {
515         GHashIterator iter;
516
517         for (WM_operatortype_iter(&iter);
518              (!BLI_ghashIterator_done(&iter));
519              (BLI_ghashIterator_step(&iter)))
520         {
521                 wmOperatorType *ot = BLI_ghashIterator_getValue(&iter);
522
523                 if (ot->last_properties) {
524                         IDP_FreeProperty(ot->last_properties);
525                         MEM_freeN(ot->last_properties);
526                         ot->last_properties = NULL;
527                 }
528         }
529 }
530
531 /* SOME_OT_op -> some.op */
532 void WM_operator_py_idname(char *to, const char *from)
533 {
534         const char *sep = strstr(from, "_OT_");
535         if (sep) {
536                 int ofs = (sep - from);
537                 
538                 /* note, we use ascii tolower instead of system tolower, because the
539                  * latter depends on the locale, and can lead to idname mismatch */
540                 memcpy(to, from, sizeof(char) * ofs);
541                 BLI_str_tolower_ascii(to, ofs);
542
543                 to[ofs] = '.';
544                 BLI_strncpy(to + (ofs + 1), sep + 4, OP_MAX_TYPENAME - (ofs + 1));
545         }
546         else {
547                 /* should not happen but support just in case */
548                 BLI_strncpy(to, from, OP_MAX_TYPENAME);
549         }
550 }
551
552 /* some.op -> SOME_OT_op */
553 void WM_operator_bl_idname(char *to, const char *from)
554 {
555         if (from) {
556                 const char *sep = strchr(from, '.');
557
558                 if (sep) {
559                         int ofs = (sep - from);
560
561                         memcpy(to, from, sizeof(char) * ofs);
562                         BLI_str_toupper_ascii(to, ofs);
563                         strcpy(to + ofs, "_OT_");
564                         strcpy(to + (ofs + 4), sep + 1);
565                 }
566                 else {
567                         /* should not happen but support just in case */
568                         BLI_strncpy(to, from, OP_MAX_TYPENAME);
569                 }
570         }
571         else
572                 to[0] = 0;
573 }
574
575 /**
576  * Print a string representation of the operator, with the args that it runs so python can run it again.
577  *
578  * When calling from an existing wmOperator, better to use simple version:
579  * `WM_operator_pystring(C, op);`
580  *
581  * \note Both \a op and \a opptr may be `NULL` (\a op is only used for macro operators).
582  */
583 char *WM_operator_pystring_ex(bContext *C, wmOperator *op, const bool all_args, const bool macro_args,
584                               wmOperatorType *ot, PointerRNA *opptr)
585 {
586         char idname_py[OP_MAX_TYPENAME];
587
588         /* for building the string */
589         DynStr *dynstr = BLI_dynstr_new();
590         char *cstring;
591         char *cstring_args;
592
593         /* arbitrary, but can get huge string with stroke painting otherwise */
594         int max_prop_length = 10;
595
596         WM_operator_py_idname(idname_py, ot->idname);
597         BLI_dynstr_appendf(dynstr, "bpy.ops.%s(", idname_py);
598
599         if (op && op->macro.first) {
600                 /* Special handling for macros, else we only get default values in this case... */
601                 wmOperator *opm;
602                 bool first_op = true;
603
604                 opm = macro_args ? op->macro.first : NULL;
605
606                 for (; opm; opm = opm->next) {
607                         PointerRNA *opmptr = opm->ptr;
608                         PointerRNA opmptr_default;
609                         if (opmptr == NULL) {
610                                 WM_operator_properties_create_ptr(&opmptr_default, opm->type);
611                                 opmptr = &opmptr_default;
612                         }
613
614                         cstring_args = RNA_pointer_as_string_id(C, opmptr);
615                         if (first_op) {
616                                 BLI_dynstr_appendf(dynstr, "%s=%s", opm->type->idname, cstring_args);
617                                 first_op = false;
618                         }
619                         else {
620                                 BLI_dynstr_appendf(dynstr, ", %s=%s", opm->type->idname, cstring_args);
621                         }
622                         MEM_freeN(cstring_args);
623
624                         if (opmptr == &opmptr_default) {
625                                 WM_operator_properties_free(&opmptr_default);
626                         }
627                 }
628         }
629         else {
630                 /* only to get the orginal props for comparisons */
631                 PointerRNA opptr_default;
632                 const bool macro_args_test = ot->macro.first ? macro_args : true;
633
634                 if (opptr == NULL) {
635                         WM_operator_properties_create_ptr(&opptr_default, ot);
636                         opptr = &opptr_default;
637                 }
638
639                 cstring_args = RNA_pointer_as_string_keywords(C, opptr, false, all_args, macro_args_test, max_prop_length);
640                 BLI_dynstr_append(dynstr, cstring_args);
641                 MEM_freeN(cstring_args);
642
643                 if (opptr == &opptr_default) {
644                         WM_operator_properties_free(&opptr_default);
645                 }
646         }
647
648         BLI_dynstr_append(dynstr, ")");
649
650         cstring = BLI_dynstr_get_cstring(dynstr);
651         BLI_dynstr_free(dynstr);
652         return cstring;
653 }
654
655 char *WM_operator_pystring(bContext *C, wmOperator *op,
656                            const bool all_args, const bool macro_args)
657 {
658         return WM_operator_pystring_ex(C, op, all_args, macro_args, op->type, op->ptr);
659 }
660
661
662 /**
663  * \return true if the string was shortened
664  */
665 bool WM_operator_pystring_abbreviate(char *str, int str_len_max)
666 {
667         const int str_len = strlen(str);
668         const char *parens_start = strchr(str, '(');
669
670         if (parens_start) {
671                 const int parens_start_pos = parens_start - str;
672                 const char *parens_end = strrchr(parens_start + 1, ')');
673
674                 if (parens_end) {
675                         const int parens_len = parens_end - parens_start;
676
677                         if (parens_len > str_len_max) {
678                                 const char *comma_first = strchr(parens_start, ',');
679
680                                 /* truncate after the first comma */
681                                 if (comma_first) {
682                                         const char end_str[] = " ... )";
683                                         const int end_str_len = sizeof(end_str) - 1;
684
685                                         /* leave a place for the first argument*/
686                                         const int new_str_len = (comma_first - parens_start) + 1;
687
688                                         if (str_len >= new_str_len + parens_start_pos + end_str_len + 1) {
689                                                 /* append " ... )" to the string after the comma */
690                                                 memcpy(str + new_str_len + parens_start_pos, end_str, end_str_len + 1);
691
692                                                 return true;
693                                         }
694                                 }
695                         }
696                 }
697         }
698
699         return false;
700 }
701
702 /* return NULL if no match is found */
703 #if 0
704 static char *wm_prop_pystring_from_context(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
705 {
706
707         /* loop over all context items and do 2 checks
708          *
709          * - see if the pointer is in the context.
710          * - see if the pointers ID is in the context.
711          */
712
713         /* don't get from the context store since this is normally set only for the UI and not usable elsewhere */
714         ListBase lb = CTX_data_dir_get_ex(C, false, true, true);
715         LinkData *link;
716
717         const char *member_found = NULL;
718         const char *member_id = NULL;
719
720         char *prop_str = NULL;
721         char *ret = NULL;
722
723
724         for (link = lb.first; link; link = link->next) {
725                 const char *identifier = link->data;
726                 PointerRNA ctx_item_ptr = {{0}} // CTX_data_pointer_get(C, identifier); // XXX, this isnt working
727
728                 if (ctx_item_ptr.type == NULL) {
729                         continue;
730                 }
731
732                 if (ptr->id.data == ctx_item_ptr.id.data) {
733                         if ((ptr->data == ctx_item_ptr.data) &&
734                             (ptr->type == ctx_item_ptr.type))
735                         {
736                                 /* found! */
737                                 member_found = identifier;
738                                 break;
739                         }
740                         else if (RNA_struct_is_ID(ctx_item_ptr.type)) {
741                                 /* we found a reference to this ID,
742                                  * so fallback to it if there is no direct reference */
743                                 member_id = identifier;
744                         }
745                 }
746         }
747
748         if (member_found) {
749                 prop_str = RNA_path_property_py(ptr, prop, index);
750                 if (prop_str) {
751                         ret = BLI_sprintfN("bpy.context.%s.%s", member_found, prop_str);
752                         MEM_freeN(prop_str);
753                 }
754         }
755         else if (member_id) {
756                 prop_str = RNA_path_struct_property_py(ptr, prop, index);
757                 if (prop_str) {
758                         ret = BLI_sprintfN("bpy.context.%s.%s", member_id, prop_str);
759                         MEM_freeN(prop_str);
760                 }
761         }
762
763         BLI_freelistN(&lb);
764
765         return ret;
766 }
767 #else
768
769 /* use hard coded checks for now */
770 static char *wm_prop_pystring_from_context(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
771 {
772         const char *member_id = NULL;
773
774         char *prop_str = NULL;
775         char *ret = NULL;
776
777         if (ptr->id.data) {
778
779 #define CTX_TEST_PTR_ID(C, member, idptr) \
780                 { \
781                         const char *ctx_member = member; \
782                         PointerRNA ctx_item_ptr = CTX_data_pointer_get(C, ctx_member); \
783                         if (ctx_item_ptr.id.data == idptr) { \
784                                 member_id = ctx_member; \
785                                 break; \
786                         } \
787                 } (void)0
788
789 #define CTX_TEST_PTR_ID_CAST(C, member, member_full, cast, idptr) \
790                 { \
791                         const char *ctx_member = member; \
792                         const char *ctx_member_full = member_full; \
793                         PointerRNA ctx_item_ptr = CTX_data_pointer_get(C, ctx_member); \
794                         if (ctx_item_ptr.id.data && cast(ctx_item_ptr.id.data) == idptr) { \
795                                 member_id = ctx_member_full; \
796                                 break; \
797                         } \
798                 } (void)0
799
800 #define CTX_TEST_PTR_DATA_TYPE(C, member, rna_type, rna_ptr, dataptr_cmp) \
801                 { \
802                         const char *ctx_member = member; \
803                         if (RNA_struct_is_a((ptr)->type, &(rna_type)) && (ptr)->data == (dataptr_cmp)) { \
804                                 member_id = ctx_member; \
805                                 break; \
806                         } \
807                 } (void)0
808
809                 switch (GS(((ID *)ptr->id.data)->name)) {
810                         case ID_SCE:
811                         {
812                                 CTX_TEST_PTR_ID(C, "scene", ptr->id.data);
813                                 break;
814                         }
815                         case ID_OB:
816                         {
817                                 CTX_TEST_PTR_ID(C, "object", ptr->id.data);
818                                 break;
819                         }
820                         /* from rna_Main_objects_new */
821                         case OB_DATA_SUPPORT_ID_CASE:
822                         {
823 #define ID_CAST_OBDATA(id_pt) (((Object *)(id_pt))->data)
824                                 CTX_TEST_PTR_ID_CAST(C, "object", "object.data", ID_CAST_OBDATA, ptr->id.data);
825                                 break;
826 #undef ID_CAST_OBDATA
827                         }
828                         case ID_MA:
829                         {
830 #define ID_CAST_OBMATACT(id_pt) (give_current_material(((Object *)id_pt), ((Object *)id_pt)->actcol))
831                                 CTX_TEST_PTR_ID_CAST(C, "object", "object.active_material", ID_CAST_OBMATACT, ptr->id.data);
832                                 break;
833 #undef ID_CAST_OBMATACT
834                         }
835                         case ID_WO:
836                         {
837 #define ID_CAST_SCENEWORLD(id_pt) (((Scene *)(id_pt))->world)
838                                 CTX_TEST_PTR_ID_CAST(C, "scene", "scene.world", ID_CAST_SCENEWORLD, ptr->id.data);
839                                 break;
840 #undef ID_CAST_SCENEWORLD
841                         }
842                         case ID_SCR:
843                         {
844                                 CTX_TEST_PTR_ID(C, "screen", ptr->id.data);
845
846                                 CTX_TEST_PTR_DATA_TYPE(C, "space_data", RNA_Space, ptr, CTX_wm_space_data(C));
847                                 CTX_TEST_PTR_DATA_TYPE(C, "area", RNA_Area, ptr, CTX_wm_area(C));
848                                 CTX_TEST_PTR_DATA_TYPE(C, "region", RNA_Region, ptr, CTX_wm_region(C));
849
850                                 break;
851                         }
852                 }
853
854                 if (member_id) {
855                         prop_str = RNA_path_struct_property_py(ptr, prop, index);
856                         if (prop_str) {
857                                 ret = BLI_sprintfN("bpy.context.%s.%s", member_id, prop_str);
858                                 MEM_freeN(prop_str);
859                         }
860                 }
861 #undef CTX_TEST_PTR_ID
862 #undef CTX_TEST_PTR_ID_CAST
863         }
864
865         return ret;
866 }
867 #endif
868
869 char *WM_prop_pystring_assign(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
870 {
871         char *lhs, *rhs, *ret;
872
873         lhs = C ? wm_prop_pystring_from_context(C, ptr, prop, index) : NULL;
874
875         if (lhs == NULL) {
876                 /* fallback to bpy.data.foo[id] if we dont find in the context */
877                 lhs = RNA_path_full_property_py(ptr, prop, index);
878         }
879
880         if (!lhs) {
881                 return NULL;
882         }
883
884         rhs = RNA_property_as_string(C, ptr, prop, index, INT_MAX);
885         if (!rhs) {
886                 MEM_freeN(lhs);
887                 return NULL;
888         }
889
890         ret = BLI_sprintfN("%s = %s", lhs, rhs);
891         MEM_freeN(lhs);
892         MEM_freeN(rhs);
893         return ret;
894 }
895
896 void WM_operator_properties_create_ptr(PointerRNA *ptr, wmOperatorType *ot)
897 {
898         RNA_pointer_create(NULL, ot->srna, NULL, ptr);
899 }
900
901 void WM_operator_properties_create(PointerRNA *ptr, const char *opstring)
902 {
903         wmOperatorType *ot = WM_operatortype_find(opstring, 0);
904
905         if (ot)
906                 WM_operator_properties_create_ptr(ptr, ot);
907         else
908                 RNA_pointer_create(NULL, &RNA_OperatorProperties, NULL, ptr);
909 }
910
911 /* similar to the function above except its uses ID properties
912  * used for keymaps and macros */
913 void WM_operator_properties_alloc(PointerRNA **ptr, IDProperty **properties, const char *opstring)
914 {
915         if (*properties == NULL) {
916                 IDPropertyTemplate val = {0};
917                 *properties = IDP_New(IDP_GROUP, &val, "wmOpItemProp");
918         }
919
920         if (*ptr == NULL) {
921                 *ptr = MEM_callocN(sizeof(PointerRNA), "wmOpItemPtr");
922                 WM_operator_properties_create(*ptr, opstring);
923         }
924
925         (*ptr)->data = *properties;
926
927 }
928
929 void WM_operator_properties_sanitize(PointerRNA *ptr, const bool no_context)
930 {
931         RNA_STRUCT_BEGIN (ptr, prop)
932         {
933                 switch (RNA_property_type(prop)) {
934                         case PROP_ENUM:
935                                 if (no_context)
936                                         RNA_def_property_flag(prop, PROP_ENUM_NO_CONTEXT);
937                                 else
938                                         RNA_def_property_clear_flag(prop, PROP_ENUM_NO_CONTEXT);
939                                 break;
940                         case PROP_POINTER:
941                         {
942                                 StructRNA *ptype = RNA_property_pointer_type(ptr, prop);
943
944                                 /* recurse into operator properties */
945                                 if (RNA_struct_is_a(ptype, &RNA_OperatorProperties)) {
946                                         PointerRNA opptr = RNA_property_pointer_get(ptr, prop);
947                                         WM_operator_properties_sanitize(&opptr, no_context);
948                                 }
949                                 break;
950                         }
951                         default:
952                                 break;
953                 }
954         }
955         RNA_STRUCT_END;
956 }
957
958
959 /** set all props to their default,
960  * \param do_update Only update un-initialized props.
961  *
962  * \note, theres nothing specific to operators here.
963  * this could be made a general function.
964  */
965 bool WM_operator_properties_default(PointerRNA *ptr, const bool do_update)
966 {
967         bool changed = false;
968         RNA_STRUCT_BEGIN (ptr, prop)
969         {
970                 switch (RNA_property_type(prop)) {
971                         case PROP_POINTER:
972                         {
973                                 StructRNA *ptype = RNA_property_pointer_type(ptr, prop);
974                                 if (ptype != &RNA_Struct) {
975                                         PointerRNA opptr = RNA_property_pointer_get(ptr, prop);
976                                         changed |= WM_operator_properties_default(&opptr, do_update);
977                                 }
978                                 break;
979                         }
980                         default:
981                                 if ((do_update == false) || (RNA_property_is_set(ptr, prop) == false)) {
982                                         if (RNA_property_reset(ptr, prop, -1)) {
983                                                 changed = true;
984                                         }
985                                 }
986                                 break;
987                 }
988         }
989         RNA_STRUCT_END;
990
991         return changed;
992 }
993
994 /* remove all props without PROP_SKIP_SAVE */
995 void WM_operator_properties_reset(wmOperator *op)
996 {
997         if (op->ptr->data) {
998                 PropertyRNA *iterprop;
999                 iterprop = RNA_struct_iterator_property(op->type->srna);
1000
1001                 RNA_PROP_BEGIN (op->ptr, itemptr, iterprop)
1002                 {
1003                         PropertyRNA *prop = itemptr.data;
1004
1005                         if ((RNA_property_flag(prop) & PROP_SKIP_SAVE) == 0) {
1006                                 const char *identifier = RNA_property_identifier(prop);
1007                                 RNA_struct_idprops_unset(op->ptr, identifier);
1008                         }
1009                 }
1010                 RNA_PROP_END;
1011         }
1012 }
1013
1014 void WM_operator_properties_clear(PointerRNA *ptr)
1015 {
1016         IDProperty *properties = ptr->data;
1017
1018         if (properties) {
1019                 IDP_ClearProperty(properties);
1020         }
1021 }
1022
1023 void WM_operator_properties_free(PointerRNA *ptr)
1024 {
1025         IDProperty *properties = ptr->data;
1026
1027         if (properties) {
1028                 IDP_FreeProperty(properties);
1029                 MEM_freeN(properties);
1030                 ptr->data = NULL; /* just in case */
1031         }
1032 }
1033
1034 /* ************ default op callbacks, exported *********** */
1035
1036 void WM_operator_view3d_unit_defaults(struct bContext *C, struct wmOperator *op)
1037 {
1038         if (op->flag & OP_IS_INVOKE) {
1039                 Scene *scene = CTX_data_scene(C);
1040                 View3D *v3d = CTX_wm_view3d(C);
1041
1042                 const float dia = v3d ? ED_view3d_grid_scale(scene, v3d, NULL) : ED_scene_grid_scale(scene, NULL);
1043
1044                 /* always run, so the values are initialized,
1045                  * otherwise we may get differ behavior when (dia != 1.0) */
1046                 RNA_STRUCT_BEGIN (op->ptr, prop)
1047                 {
1048                         if (RNA_property_type(prop) == PROP_FLOAT) {
1049                                 PropertySubType pstype = RNA_property_subtype(prop);
1050                                 if (pstype == PROP_DISTANCE) {
1051                                         /* we don't support arrays yet */
1052                                         BLI_assert(RNA_property_array_check(prop) == false);
1053                                         /* initialize */
1054                                         if (!RNA_property_is_set_ex(op->ptr, prop, false)) {
1055                                                 const float value = RNA_property_float_get_default(op->ptr, prop) * dia;
1056                                                 RNA_property_float_set(op->ptr, prop, value);
1057                                         }
1058                                 }
1059                         }
1060                 }
1061                 RNA_STRUCT_END;
1062         }
1063 }
1064
1065 int WM_operator_smooth_viewtx_get(const wmOperator *op)
1066 {
1067         return (op->flag & OP_IS_INVOKE) ? U.smooth_viewtx : 0;
1068 }
1069
1070 /* invoke callback, uses enum property named "type" */
1071 int WM_menu_invoke_ex(bContext *C, wmOperator *op, int opcontext)
1072 {
1073         PropertyRNA *prop = op->type->prop;
1074         uiPopupMenu *pup;
1075         uiLayout *layout;
1076
1077         if (prop == NULL) {
1078                 printf("%s: %s has no enum property set\n", __func__, op->type->idname);
1079         }
1080         else if (RNA_property_type(prop) != PROP_ENUM) {
1081                 printf("%s: %s \"%s\" is not an enum property\n",
1082                        __func__, op->type->idname, RNA_property_identifier(prop));
1083         }
1084         else if (RNA_property_is_set(op->ptr, prop)) {
1085                 const int retval = op->type->exec(C, op);
1086                 OPERATOR_RETVAL_CHECK(retval);
1087                 return retval;
1088         }
1089         else {
1090                 pup = UI_popup_menu_begin(C, RNA_struct_ui_name(op->type->srna), ICON_NONE);
1091                 layout = UI_popup_menu_layout(pup);
1092                 /* set this so the default execution context is the same as submenus */
1093                 uiLayoutSetOperatorContext(layout, opcontext);
1094                 uiItemsFullEnumO(layout, op->type->idname, RNA_property_identifier(prop), op->ptr->data, opcontext, 0);
1095                 UI_popup_menu_end(C, pup);
1096                 return OPERATOR_INTERFACE;
1097         }
1098
1099         return OPERATOR_CANCELLED;
1100 }
1101
1102 int WM_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1103 {
1104         return WM_menu_invoke_ex(C, op, WM_OP_INVOKE_REGION_WIN);
1105 }
1106
1107
1108 /* generic enum search invoke popup */
1109 static uiBlock *wm_enum_search_menu(bContext *C, ARegion *ar, void *arg_op)
1110 {
1111         static char search[256] = "";
1112         wmEvent event;
1113         wmWindow *win = CTX_wm_window(C);
1114         uiBlock *block;
1115         uiBut *but;
1116         wmOperator *op = (wmOperator *)arg_op;
1117
1118         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1119         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1120
1121 #if 0 /* ok, this isn't so easy... */
1122         uiDefBut(block, UI_BTYPE_LABEL, 0, RNA_struct_ui_name(op->type->srna), 10, 10, UI_searchbox_size_x(), UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
1123 #endif
1124         but = uiDefSearchButO_ptr(block, op->type, op->ptr->data, search, 0, ICON_VIEWZOOM, sizeof(search),
1125                                   10, 10, UI_searchbox_size_x(), UI_UNIT_Y, 0, 0, "");
1126
1127         /* fake button, it holds space for search items */
1128         uiDefBut(block, UI_BTYPE_LABEL, 0, "", 10, 10 - UI_searchbox_size_y(), UI_searchbox_size_x(), UI_searchbox_size_y(), NULL, 0, 0, 0, 0, NULL);
1129
1130         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1131
1132         wm_event_init_from_window(win, &event);
1133         event.type = EVT_BUT_OPEN;
1134         event.val = KM_PRESS;
1135         event.customdata = but;
1136         event.customdatafree = false;
1137         wm_event_add(win, &event);
1138
1139         return block;
1140 }
1141
1142
1143 int WM_enum_search_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1144 {
1145         UI_popup_block_invoke(C, wm_enum_search_menu, op);
1146         return OPERATOR_INTERFACE;
1147 }
1148
1149 /* Can't be used as an invoke directly, needs message arg (can be NULL) */
1150 int WM_operator_confirm_message_ex(bContext *C, wmOperator *op,
1151                                    const char *title, const int icon,
1152                                    const char *message)
1153 {
1154         uiPopupMenu *pup;
1155         uiLayout *layout;
1156         IDProperty *properties = op->ptr->data;
1157
1158         if (properties && properties->len)
1159                 properties = IDP_CopyProperty(op->ptr->data);
1160         else
1161                 properties = NULL;
1162
1163         pup = UI_popup_menu_begin(C, title, icon);
1164         layout = UI_popup_menu_layout(pup);
1165         uiItemFullO_ptr(layout, op->type, message, ICON_NONE, properties, WM_OP_EXEC_REGION_WIN, 0);
1166         UI_popup_menu_end(C, pup);
1167         
1168         return OPERATOR_INTERFACE;
1169 }
1170
1171 int WM_operator_confirm_message(bContext *C, wmOperator *op, const char *message)
1172 {
1173         return WM_operator_confirm_message_ex(C, op, IFACE_("OK?"), ICON_QUESTION, message);
1174 }
1175
1176 int WM_operator_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1177 {
1178         return WM_operator_confirm_message(C, op, NULL);
1179 }
1180
1181 /* op->invoke, opens fileselect if path property not set, otherwise executes */
1182 int WM_operator_filesel(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1183 {
1184         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1185                 return WM_operator_call_notest(C, op); /* call exec direct */
1186         }
1187         else {
1188                 WM_event_add_fileselect(C, op);
1189                 return OPERATOR_RUNNING_MODAL;
1190         }
1191 }
1192
1193 bool WM_operator_filesel_ensure_ext_imtype(wmOperator *op, const struct ImageFormatData *im_format)
1194 {
1195         PropertyRNA *prop;
1196         char filepath[FILE_MAX];
1197         /* dont NULL check prop, this can only run on ops with a 'filepath' */
1198         prop = RNA_struct_find_property(op->ptr, "filepath");
1199         RNA_property_string_get(op->ptr, prop, filepath);
1200         if (BKE_image_path_ensure_ext_from_imformat(filepath, im_format)) {
1201                 RNA_property_string_set(op->ptr, prop, filepath);
1202                 /* note, we could check for and update 'filename' here,
1203                  * but so far nothing needs this. */
1204                 return true;
1205         }
1206         return false;
1207 }
1208
1209 /* op->poll */
1210 int WM_operator_winactive(bContext *C)
1211 {
1212         if (CTX_wm_window(C) == NULL) return 0;
1213         return 1;
1214 }
1215
1216 /* return false, if the UI should be disabled */
1217 bool WM_operator_check_ui_enabled(const bContext *C, const char *idname)
1218 {
1219         wmWindowManager *wm = CTX_wm_manager(C);
1220         Scene *scene = CTX_data_scene(C);
1221
1222         return !((ED_undo_is_valid(C, idname) == false) || WM_jobs_test(wm, scene, WM_JOB_TYPE_ANY));
1223 }
1224
1225 wmOperator *WM_operator_last_redo(const bContext *C)
1226 {
1227         wmWindowManager *wm = CTX_wm_manager(C);
1228         wmOperator *op;
1229
1230         /* only for operators that are registered and did an undo push */
1231         for (op = wm->operators.last; op; op = op->prev)
1232                 if ((op->type->flag & OPTYPE_REGISTER) && (op->type->flag & OPTYPE_UNDO))
1233                         break;
1234
1235         return op;
1236 }
1237
1238 /**
1239  * Use for drag & drop a path or name with operators invoke() function.
1240  */
1241 ID *WM_operator_drop_load_path(struct bContext *C, wmOperator *op, const short idcode)
1242 {
1243         ID *id = NULL;
1244         /* check input variables */
1245         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1246                 const bool is_relative_path = RNA_boolean_get(op->ptr, "relative_path");
1247                 char path[FILE_MAX];
1248                 bool exists = false;
1249
1250                 RNA_string_get(op->ptr, "filepath", path);
1251
1252                 errno = 0;
1253
1254                 if (idcode == ID_IM) {
1255                         id = (ID *)BKE_image_load_exists_ex(path, &exists);
1256                 }
1257                 else {
1258                         BLI_assert(0);
1259                 }
1260
1261                 if (!id) {
1262                         BKE_reportf(op->reports, RPT_ERROR, "Cannot read %s '%s': %s",
1263                                     BKE_idcode_to_name(idcode), path,
1264                                     errno ? strerror(errno) : TIP_("unsupported format"));
1265                         return NULL;
1266                 }
1267
1268                 if (is_relative_path ) {
1269                         if (exists == false) {
1270                                 Main *bmain = CTX_data_main(C);
1271
1272                                 if (idcode == ID_IM) {
1273                                         BLI_path_rel(((Image *)id)->name, bmain->name);
1274                                 }
1275                                 else {
1276                                         BLI_assert(0);
1277                                 }
1278                         }
1279                 }
1280         }
1281         else if (RNA_struct_property_is_set(op->ptr, "name")) {
1282                 char name[MAX_ID_NAME - 2];
1283                 RNA_string_get(op->ptr, "name", name);
1284                 id = BKE_libblock_find_name(idcode, name);
1285                 if (!id) {
1286                         BKE_reportf(op->reports, RPT_ERROR, "%s '%s' not found",
1287                                     BKE_idcode_to_name(idcode), name);
1288                         return NULL;
1289                 }
1290                 id_us_plus(id);
1291         }
1292
1293         return id;
1294 }
1295
1296 static void wm_block_redo_cb(bContext *C, void *arg_op, int UNUSED(arg_event))
1297 {
1298         wmOperator *op = arg_op;
1299
1300         if (op == WM_operator_last_redo(C)) {
1301                 /* operator was already executed once? undo & repeat */
1302                 ED_undo_operator_repeat(C, op);
1303         }
1304         else {
1305                 /* operator not executed yet, call it */
1306                 ED_undo_push_op(C, op);
1307                 wm_operator_register(C, op);
1308
1309                 WM_operator_repeat(C, op);
1310         }
1311 }
1312
1313 static void wm_block_redo_cancel_cb(bContext *C, void *arg_op)
1314 {
1315         wmOperator *op = arg_op;
1316
1317         /* if operator never got executed, free it */
1318         if (op != WM_operator_last_redo(C))
1319                 WM_operator_free(op);
1320 }
1321
1322 static uiBlock *wm_block_create_redo(bContext *C, ARegion *ar, void *arg_op)
1323 {
1324         wmOperator *op = arg_op;
1325         uiBlock *block;
1326         uiLayout *layout;
1327         uiStyle *style = UI_style_get();
1328         int width = 15 * UI_UNIT_X;
1329
1330         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1331         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1332         /* UI_BLOCK_NUMSELECT for layer buttons */
1333         UI_block_flag_enable(block, UI_BLOCK_NUMSELECT | UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1334
1335         /* if register is not enabled, the operator gets freed on OPERATOR_FINISHED
1336          * ui_apply_but_funcs_after calls ED_undo_operator_repeate_cb and crashes */
1337         assert(op->type->flag & OPTYPE_REGISTER);
1338
1339         UI_block_func_handle_set(block, wm_block_redo_cb, arg_op);
1340         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, width, UI_UNIT_Y, 0, style);
1341
1342         if (op == WM_operator_last_redo(C))
1343                 if (!WM_operator_check_ui_enabled(C, op->type->name))
1344                         uiLayoutSetEnabled(layout, false);
1345
1346         if (op->type->flag & OPTYPE_MACRO) {
1347                 for (op = op->macro.first; op; op = op->next) {
1348                         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1349                         if (op->next)
1350                                 uiItemS(layout);
1351                 }
1352         }
1353         else {
1354                 uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1355         }
1356         
1357         UI_block_bounds_set_popup(block, 4, 0, 0);
1358
1359         return block;
1360 }
1361
1362 typedef struct wmOpPopUp {
1363         wmOperator *op;
1364         int width;
1365         int height;
1366         int free_op;
1367 } wmOpPopUp;
1368
1369 /* Only invoked by OK button in popups created with wm_block_dialog_create() */
1370 static void dialog_exec_cb(bContext *C, void *arg1, void *arg2)
1371 {
1372         wmOpPopUp *data = arg1;
1373         uiBlock *block = arg2;
1374
1375         /* Explicitly set UI_RETURN_OK flag, otherwise the menu might be cancelled
1376          * in case WM_operator_call_ex exits/reloads the current file (T49199). */
1377         UI_popup_menu_retval_set(block, UI_RETURN_OK, true);
1378
1379         WM_operator_call_ex(C, data->op, true);
1380
1381         /* let execute handle freeing it */
1382         //data->free_op = false;
1383         //data->op = NULL;
1384
1385         /* in this case, wm_operator_ui_popup_cancel wont run */
1386         MEM_freeN(data);
1387
1388         /* get context data *after* WM_operator_call_ex which might have closed the current file and changed context */
1389         wmWindowManager *wm = CTX_wm_manager(C);
1390         wmWindow *win = CTX_wm_window(C);
1391
1392         /* check window before 'block->handle' incase the
1393          * popup execution closed the window and freed the block. see T44688.
1394          */
1395         /* Post 2.78 TODO: Check if this fix and others related to T44688 are still
1396          * needed or can be improved now that requesting context data has been corrected
1397          * (see above). We're close to release so not a good time for experiments.
1398          * -- Julian
1399          */
1400         if (BLI_findindex(&wm->windows, win) != -1) {
1401                 UI_popup_block_close(C, win, block);
1402         }
1403 }
1404
1405 static void popup_check_cb(bContext *C, void *op_ptr, void *UNUSED(arg))
1406 {
1407         wmOperator *op = op_ptr;
1408         if (op->type->check) {
1409                 if (op->type->check(C, op)) {
1410                         /* check for popup and re-layout buttons */
1411                         ARegion *ar_menu = CTX_wm_menu(C);
1412                         if (ar_menu) {
1413                                 ED_region_tag_refresh_ui(ar_menu);
1414                         }
1415                 }
1416         }
1417 }
1418
1419 /* Dialogs are popups that require user verification (click OK) before exec */
1420 static uiBlock *wm_block_dialog_create(bContext *C, ARegion *ar, void *userData)
1421 {
1422         wmOpPopUp *data = userData;
1423         wmOperator *op = data->op;
1424         uiBlock *block;
1425         uiLayout *layout;
1426         uiStyle *style = UI_style_get();
1427
1428         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1429         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1430
1431         /* intentionally don't use 'UI_BLOCK_MOVEMOUSE_QUIT', some dialogues have many items
1432          * where quitting by accident is very annoying */
1433         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_NUMSELECT);
1434
1435         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1436         
1437         UI_block_func_set(block, popup_check_cb, op, NULL);
1438
1439         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1440         
1441         /* clear so the OK button is left alone */
1442         UI_block_func_set(block, NULL, NULL, NULL);
1443
1444         /* new column so as not to interfere with custom layouts [#26436] */
1445         {
1446                 uiBlock *col_block;
1447                 uiLayout *col;
1448                 uiBut *btn;
1449
1450                 col = uiLayoutColumn(layout, false);
1451                 col_block = uiLayoutGetBlock(col);
1452                 /* Create OK button, the callback of which will execute op */
1453                 btn = uiDefBut(col_block, UI_BTYPE_BUT, 0, IFACE_("OK"), 0, -30, 0, UI_UNIT_Y, NULL, 0, 0, 0, 0, "");
1454                 UI_but_func_set(btn, dialog_exec_cb, data, col_block);
1455         }
1456
1457         /* center around the mouse */
1458         UI_block_bounds_set_popup(block, 4, data->width / -2, data->height / 2);
1459
1460         return block;
1461 }
1462
1463 static uiBlock *wm_operator_ui_create(bContext *C, ARegion *ar, void *userData)
1464 {
1465         wmOpPopUp *data = userData;
1466         wmOperator *op = data->op;
1467         uiBlock *block;
1468         uiLayout *layout;
1469         uiStyle *style = UI_style_get();
1470
1471         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1472         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1473         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1474
1475         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1476
1477         UI_block_func_set(block, popup_check_cb, op, NULL);
1478
1479         /* since ui is defined the auto-layout args are not used */
1480         uiLayoutOperatorButs(C, layout, op, NULL, 'V', 0);
1481
1482         UI_block_func_set(block, NULL, NULL, NULL);
1483
1484         UI_block_bounds_set_popup(block, 4, 0, 0);
1485
1486         return block;
1487 }
1488
1489 static void wm_operator_ui_popup_cancel(struct bContext *C, void *userData)
1490 {
1491         wmOpPopUp *data = userData;
1492         wmOperator *op = data->op;
1493
1494         if (op) {
1495                 if (op->type->cancel) {
1496                         op->type->cancel(C, op);
1497                 }
1498
1499                 if (data->free_op) {
1500                         WM_operator_free(op);
1501                 }
1502         }
1503
1504         MEM_freeN(data);
1505 }
1506
1507 static void wm_operator_ui_popup_ok(struct bContext *C, void *arg, int retval)
1508 {
1509         wmOpPopUp *data = arg;
1510         wmOperator *op = data->op;
1511
1512         if (op && retval > 0)
1513                 WM_operator_call_ex(C, op, true);
1514         
1515         MEM_freeN(data);
1516 }
1517
1518 int WM_operator_ui_popup(bContext *C, wmOperator *op, int width, int height)
1519 {
1520         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_ui_popup");
1521         data->op = op;
1522         data->width = width;
1523         data->height = height;
1524         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1525         UI_popup_block_ex(C, wm_operator_ui_create, NULL, wm_operator_ui_popup_cancel, data);
1526         return OPERATOR_RUNNING_MODAL;
1527 }
1528
1529 /**
1530  * For use by #WM_operator_props_popup_call, #WM_operator_props_popup only.
1531  *
1532  * \note operator menu needs undo flag enabled, for redo callback */
1533 static int wm_operator_props_popup_ex(bContext *C, wmOperator *op,
1534                                       const bool do_call, const bool do_redo)
1535 {
1536         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1537                 BKE_reportf(op->reports, RPT_ERROR,
1538                             "Operator '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1539                 return OPERATOR_CANCELLED;
1540         }
1541
1542         if (do_redo) {
1543                 if ((op->type->flag & OPTYPE_UNDO) == 0) {
1544                         BKE_reportf(op->reports, RPT_ERROR,
1545                                     "Operator '%s' does not have undo enabled, incorrect invoke function", op->type->idname);
1546                         return OPERATOR_CANCELLED;
1547                 }
1548         }
1549
1550         /* if we don't have global undo, we can't do undo push for automatic redo,
1551          * so we require manual OK clicking in this popup */
1552         if (!do_redo || !(U.uiflag & USER_GLOBALUNDO))
1553                 return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, UI_UNIT_Y);
1554
1555         UI_popup_block_ex(C, wm_block_create_redo, NULL, wm_block_redo_cancel_cb, op);
1556
1557         if (do_call)
1558                 wm_block_redo_cb(C, op, 0);
1559
1560         return OPERATOR_RUNNING_MODAL;
1561 }
1562
1563 /**
1564  * Same as #WM_operator_props_popup but don't use operator redo.
1565  * just wraps #WM_operator_props_dialog_popup.
1566  */
1567 int WM_operator_props_popup_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1568 {
1569         return wm_operator_props_popup_ex(C, op, false, false);
1570 }
1571
1572 /**
1573  * Same as #WM_operator_props_popup but call the operator first,
1574  * This way - the button values correspond to the result of the operator.
1575  * Without this, first access to a button will make the result jump, see T32452.
1576  */
1577 int WM_operator_props_popup_call(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1578 {
1579         return wm_operator_props_popup_ex(C, op, true, true);
1580 }
1581
1582 int WM_operator_props_popup(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1583 {
1584         return wm_operator_props_popup_ex(C, op, false, true);
1585 }
1586
1587 int WM_operator_props_dialog_popup(bContext *C, wmOperator *op, int width, int height)
1588 {
1589         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_props_dialog_popup");
1590         
1591         data->op = op;
1592         data->width = width;
1593         data->height = height;
1594         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1595
1596         /* op is not executed until popup OK but is clicked */
1597         UI_popup_block_ex(C, wm_block_dialog_create, wm_operator_ui_popup_ok, wm_operator_ui_popup_cancel, data);
1598
1599         return OPERATOR_RUNNING_MODAL;
1600 }
1601
1602 int WM_operator_redo_popup(bContext *C, wmOperator *op)
1603 {
1604         /* CTX_wm_reports(C) because operator is on stack, not active in event system */
1605         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1606                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR,
1607                             "Operator redo '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1608                 return OPERATOR_CANCELLED;
1609         }
1610         if (op->type->poll && op->type->poll(C) == 0) {
1611                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "Operator redo '%s': wrong context", op->type->idname);
1612                 return OPERATOR_CANCELLED;
1613         }
1614         
1615         UI_popup_block_invoke(C, wm_block_create_redo, op);
1616
1617         return OPERATOR_CANCELLED;
1618 }
1619
1620 /* ***************** Debug menu ************************* */
1621
1622 static int wm_debug_menu_exec(bContext *C, wmOperator *op)
1623 {
1624         G.debug_value = RNA_int_get(op->ptr, "debug_value");
1625         ED_screen_refresh(CTX_wm_manager(C), CTX_wm_window(C));
1626         WM_event_add_notifier(C, NC_WINDOW, NULL);
1627
1628         return OPERATOR_FINISHED;
1629 }
1630
1631 static int wm_debug_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1632 {
1633         RNA_int_set(op->ptr, "debug_value", G.debug_value);
1634         return WM_operator_props_dialog_popup(C, op, 9 * UI_UNIT_X, UI_UNIT_Y);
1635 }
1636
1637 static void WM_OT_debug_menu(wmOperatorType *ot)
1638 {
1639         ot->name = "Debug Menu";
1640         ot->idname = "WM_OT_debug_menu";
1641         ot->description = "Open a popup to set the debug level";
1642         
1643         ot->invoke = wm_debug_menu_invoke;
1644         ot->exec = wm_debug_menu_exec;
1645         ot->poll = WM_operator_winactive;
1646         
1647         RNA_def_int(ot->srna, "debug_value", 0, SHRT_MIN, SHRT_MAX, "Debug Value", "", -10000, 10000);
1648 }
1649
1650 /* ***************** Operator defaults ************************* */
1651 static int wm_operator_defaults_exec(bContext *C, wmOperator *op)
1652 {
1653         PointerRNA ptr = CTX_data_pointer_get_type(C, "active_operator", &RNA_Operator);
1654
1655         if (!ptr.data) {
1656                 BKE_report(op->reports, RPT_ERROR, "No operator in context");
1657                 return OPERATOR_CANCELLED;
1658         }
1659
1660         WM_operator_properties_reset((wmOperator *)ptr.data);
1661         return OPERATOR_FINISHED;
1662 }
1663
1664 /* used by operator preset menu. pre-2.65 this was a 'Reset' button */
1665 static void WM_OT_operator_defaults(wmOperatorType *ot)
1666 {
1667         ot->name = "Restore Defaults";
1668         ot->idname = "WM_OT_operator_defaults";
1669         ot->description = "Set the active operator to its default values";
1670
1671         ot->exec = wm_operator_defaults_exec;
1672
1673         ot->flag = OPTYPE_INTERNAL;
1674 }
1675
1676 /* ***************** Splash Screen ************************* */
1677
1678 static void wm_block_splash_close(bContext *C, void *arg_block, void *UNUSED(arg))
1679 {
1680         wmWindow *win = CTX_wm_window(C);
1681         UI_popup_block_close(C, win, arg_block);
1682 }
1683
1684 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *arg_unused);
1685
1686 static void wm_block_splash_refreshmenu(bContext *C, void *UNUSED(arg_block), void *UNUSED(arg))
1687 {
1688         ARegion *ar_menu = CTX_wm_menu(C);
1689         ED_region_tag_refresh_ui(ar_menu);
1690 }
1691
1692 static int wm_resource_check_prev(void)
1693 {
1694
1695         const char *res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION, true);
1696
1697         // if (res) printf("USER: %s\n", res);
1698
1699 #if 0 /* ignore the local folder */
1700         if (res == NULL) {
1701                 /* with a local dir, copying old files isn't useful since local dir get priority for config */
1702                 res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_LOCAL, BLENDER_VERSION, true);
1703         }
1704 #endif
1705
1706         // if (res) printf("LOCAL: %s\n", res);
1707         if (res) {
1708                 return false;
1709         }
1710         else {
1711                 return (BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION - 1, true) != NULL);
1712         }
1713 }
1714
1715 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(arg))
1716 {
1717         uiBlock *block;
1718         uiBut *but;
1719         uiLayout *layout, *split, *col;
1720         uiStyle *style = UI_style_get();
1721         const struct RecentFile *recent;
1722         int i;
1723         MenuType *mt = WM_menutype_find("USERPREF_MT_splash", true);
1724         char url[96];
1725         const char *version_suffix = NULL;
1726
1727 #ifndef WITH_HEADLESS
1728         extern char datatoc_splash_png[];
1729         extern int datatoc_splash_png_size;
1730
1731         extern char datatoc_splash_2x_png[];
1732         extern int datatoc_splash_2x_png_size;
1733         ImBuf *ibuf;
1734 #else
1735         ImBuf *ibuf = NULL;
1736 #endif
1737
1738 #ifdef WITH_BUILDINFO
1739         int label_delta = 0;
1740         int hash_width, date_width;
1741         char date_buf[128] = "\0";
1742         char hash_buf[128] = "\0";
1743         extern unsigned long build_commit_timestamp;
1744         extern char build_hash[], build_commit_date[], build_commit_time[], build_branch[];
1745
1746         /* Builds made from tag only shows tag sha */
1747         BLI_snprintf(hash_buf, sizeof(hash_buf), "Hash: %s", build_hash);
1748         BLI_snprintf(date_buf, sizeof(date_buf), "Date: %s %s", build_commit_date, build_commit_time);
1749         
1750         BLF_size(style->widgetlabel.uifont_id, style->widgetlabel.points, U.pixelsize * U.dpi);
1751         hash_width = (int)BLF_width(style->widgetlabel.uifont_id, hash_buf, sizeof(hash_buf)) + U.widget_unit;
1752         date_width = (int)BLF_width(style->widgetlabel.uifont_id, date_buf, sizeof(date_buf)) + U.widget_unit;
1753 #endif  /* WITH_BUILDINFO */
1754
1755 #ifndef WITH_HEADLESS
1756         if (U.pixelsize == 2) {
1757                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_2x_png,
1758                                              datatoc_splash_2x_png_size, IB_rect, NULL, "<splash screen>");
1759         }
1760         else {
1761                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_png,
1762                                              datatoc_splash_png_size, IB_rect, NULL, "<splash screen>");
1763         }
1764 #endif
1765
1766         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1767
1768         /* note on UI_BLOCK_NO_WIN_CLIP, the window size is not always synchronized
1769          * with the OS when the splash shows, window clipping in this case gives
1770          * ugly results and clipping the splash isn't useful anyway, just disable it [#32938] */
1771         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_NO_WIN_CLIP);
1772
1773         /* XXX splash scales with pixelsize, should become widget-units */
1774         but = uiDefBut(block, UI_BTYPE_IMAGE, 0, "", 0, 0.5f * U.widget_unit, U.pixelsize * 501, U.pixelsize * 282, ibuf, 0.0, 0.0, 0, 0, ""); /* button owns the imbuf now */
1775         UI_but_func_set(but, wm_block_splash_close, block, NULL);
1776         UI_block_func_set(block, wm_block_splash_refreshmenu, block, NULL);
1777
1778         /* label for 'a' bugfix releases, or 'Release Candidate 1'...
1779          *  avoids recreating splash for version updates */
1780         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "rc")) {
1781                 version_suffix = "Release Candidate";
1782         }
1783         else if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1784                 version_suffix = STRINGIFY(BLENDER_VERSION_CHAR);
1785         }
1786         if (version_suffix != NULL && version_suffix[0]) {
1787                 /* placed after the version number in the image,
1788                  * placing y is tricky to match baseline */
1789                 int x = 260 - (2 * UI_DPI_WINDOW_FAC);
1790                 int y = 242 + (4 * UI_DPI_WINDOW_FAC);
1791                 int w = 240;
1792
1793                 /* hack to have text draw 'text_sel' */
1794                 UI_block_emboss_set(block, UI_EMBOSS_NONE);
1795                 but = uiDefBut(block, UI_BTYPE_LABEL, 0, version_suffix, x * U.pixelsize, y * U.pixelsize, w * U.pixelsize, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1796                 /* XXX, set internal flag - UI_SELECT */
1797                 UI_but_flag_enable(but, 1);
1798                 UI_block_emboss_set(block, UI_EMBOSS);
1799         }
1800
1801 #ifdef WITH_BUILDINFO
1802         if (build_commit_timestamp != 0) {
1803                 uiDefBut(block, UI_BTYPE_LABEL, 0, date_buf, U.pixelsize * 494 - date_width, U.pixelsize * 270, date_width, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1804                 label_delta = 12;
1805         }
1806         uiDefBut(block, UI_BTYPE_LABEL, 0, hash_buf, U.pixelsize * 494 - hash_width, U.pixelsize * (270 - label_delta), hash_width, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1807
1808         if (!STREQ(build_branch, "master")) {
1809                 char branch_buf[128] = "\0";
1810                 int branch_width;
1811                 BLI_snprintf(branch_buf, sizeof(branch_buf), "Branch: %s", build_branch);
1812                 branch_width = (int)BLF_width(style->widgetlabel.uifont_id, branch_buf, sizeof(branch_buf)) + U.widget_unit;
1813                 uiDefBut(block, UI_BTYPE_LABEL, 0, branch_buf, U.pixelsize * 494 - branch_width, U.pixelsize * (258 - label_delta), branch_width, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1814         }
1815 #endif  /* WITH_BUILDINFO */
1816         
1817         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 10, 2, U.pixelsize * 480, U.pixelsize * 110, 0, style);
1818         
1819         UI_block_emboss_set(block, UI_EMBOSS);
1820         /* show the splash menu (containing interaction presets), using python */
1821         if (mt) {
1822                 Menu menu = {NULL};
1823                 menu.layout = layout;
1824                 menu.type = mt;
1825                 mt->draw(C, &menu);
1826
1827 //              wmWindowManager *wm = CTX_wm_manager(C);
1828 //              uiItemM(layout, C, "USERPREF_MT_keyconfigs", U.keyconfigstr, ICON_NONE);
1829         }
1830         
1831         UI_block_emboss_set(block, UI_EMBOSS_PULLDOWN);
1832         uiLayoutSetOperatorContext(layout, WM_OP_EXEC_REGION_WIN);
1833         
1834         split = uiLayoutSplit(layout, 0.0f, false);
1835         col = uiLayoutColumn(split, false);
1836         uiItemL(col, IFACE_("Links"), ICON_NONE);
1837 #if 0
1838         uiItemStringO(col, IFACE_("Support an Open Animation Movie"), ICON_URL, "WM_OT_url_open", "url",
1839                       "https://cloud.blender.org/join");
1840 #endif
1841         uiItemStringO(col, IFACE_("Donations"), ICON_URL, "WM_OT_url_open", "url",
1842                       "http://www.blender.org/foundation/donation-payment/");
1843         uiItemStringO(col, IFACE_("Credits"), ICON_URL, "WM_OT_url_open", "url",
1844                       "http://www.blender.org/about/credits/");
1845         BLI_snprintf(url, sizeof(url), "http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/%d.%d",
1846                      BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1847         uiItemStringO(col, IFACE_("Release Log"), ICON_URL, "WM_OT_url_open", "url", url);
1848         uiItemStringO(col, IFACE_("Manual"), ICON_URL, "WM_OT_url_open", "url",
1849                       "https://docs.blender.org/manual/en/dev/");
1850         uiItemStringO(col, IFACE_("Blender Website"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org");
1851         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1852                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d"
1853                                                STRINGIFY(BLENDER_VERSION_CHAR) "_release",
1854                              BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1855         }
1856         else {
1857                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d_%d",
1858                              BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION);
1859         }
1860         uiItemStringO(col, IFACE_("Python API Reference"), ICON_URL, "WM_OT_url_open", "url", url);
1861         uiItemL(col, "", ICON_NONE);
1862
1863         col = uiLayoutColumn(split, false);
1864
1865         if (wm_resource_check_prev()) {
1866                 uiItemO(col, NULL, ICON_NEW, "WM_OT_copy_prev_settings");
1867                 uiItemS(col);
1868         }
1869
1870         uiItemL(col, IFACE_("Recent"), ICON_NONE);
1871         for (recent = G.recent_files.first, i = 0; (i < 5) && (recent); recent = recent->next, i++) {
1872                 const char *filename = BLI_path_basename(recent->filepath);
1873                 uiItemStringO(col, filename,
1874                               BLO_has_bfile_extension(filename) ? ICON_FILE_BLEND : ICON_FILE_BACKUP,
1875                               "WM_OT_open_mainfile", "filepath", recent->filepath);
1876         }
1877
1878         uiItemS(col);
1879         uiItemO(col, NULL, ICON_RECOVER_LAST, "WM_OT_recover_last_session");
1880         uiItemL(col, "", ICON_NONE);
1881         
1882         mt = WM_menutype_find("USERPREF_MT_splash_footer", false);
1883         if (mt) {
1884                 Menu menu = {NULL};
1885                 menu.layout = uiLayoutColumn(layout, false);
1886                 menu.type = mt;
1887                 mt->draw(C, &menu);
1888         }
1889
1890         UI_block_bounds_set_centered(block, 0);
1891         
1892         return block;
1893 }
1894
1895 static int wm_splash_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1896 {
1897         UI_popup_block_invoke(C, wm_block_create_splash, NULL);
1898         
1899         return OPERATOR_FINISHED;
1900 }
1901
1902 static void WM_OT_splash(wmOperatorType *ot)
1903 {
1904         ot->name = "Splash Screen";
1905         ot->idname = "WM_OT_splash";
1906         ot->description = "Open the splash screen with release info";
1907         
1908         ot->invoke = wm_splash_invoke;
1909         ot->poll = WM_operator_winactive;
1910 }
1911
1912
1913 /* ***************** Search menu ************************* */
1914
1915 struct SearchPopupInit_Data {
1916         int size[2];
1917 };
1918
1919 static uiBlock *wm_block_search_menu(bContext *C, ARegion *ar, void *userdata)
1920 {
1921         const struct SearchPopupInit_Data *init_data = userdata;
1922         static char search[256] = "";
1923         wmEvent event;
1924         wmWindow *win = CTX_wm_window(C);
1925         uiBlock *block;
1926         uiBut *but;
1927         
1928         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1929         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1930         
1931         but = uiDefSearchBut(block, search, 0, ICON_VIEWZOOM, sizeof(search), 10, 10, init_data->size[0], UI_UNIT_Y, 0, 0, "");
1932         UI_but_func_operator_search(but);
1933         
1934         /* fake button, it holds space for search items */
1935         uiDefBut(block, UI_BTYPE_LABEL, 0, "", 10, 10 - init_data->size[1],
1936                  init_data->size[0], init_data->size[1], NULL, 0, 0, 0, 0, NULL);
1937         
1938         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1939         
1940         wm_event_init_from_window(win, &event);
1941         event.type = EVT_BUT_OPEN;
1942         event.val = KM_PRESS;
1943         event.customdata = but;
1944         event.customdatafree = false;
1945         wm_event_add(win, &event);
1946         
1947         return block;
1948 }
1949
1950 static int wm_search_menu_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
1951 {
1952         return OPERATOR_FINISHED;
1953 }
1954
1955 static int wm_search_menu_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1956 {
1957         struct SearchPopupInit_Data data = {
1958                 .size = {
1959                     UI_searchbox_size_x() * 2,
1960                     UI_searchbox_size_y(),
1961                 },
1962         };
1963
1964         UI_popup_block_invoke(C, wm_block_search_menu, &data);
1965         
1966         return OPERATOR_INTERFACE;
1967 }
1968
1969 /* op->poll */
1970 static int wm_search_menu_poll(bContext *C)
1971 {
1972         if (CTX_wm_window(C) == NULL) {
1973                 return 0;
1974         }
1975         else {
1976                 ScrArea *sa = CTX_wm_area(C);
1977                 if (sa) {
1978                         if (sa->spacetype == SPACE_CONSOLE) return 0;  /* XXX - so we can use the shortcut in the console */
1979                         if (sa->spacetype == SPACE_TEXT) return 0;     /* XXX - so we can use the spacebar in the text editor */
1980                 }
1981                 else {
1982                         Object *editob = CTX_data_edit_object(C);
1983                         if (editob && editob->type == OB_FONT) return 0;  /* XXX - so we can use the spacebar for entering text */
1984                 }
1985         }
1986         return 1;
1987 }
1988
1989 static void WM_OT_search_menu(wmOperatorType *ot)
1990 {
1991         ot->name = "Search Menu";
1992         ot->idname = "WM_OT_search_menu";
1993         ot->description = "Pop-up a search menu over all available operators in current context";
1994         
1995         ot->invoke = wm_search_menu_invoke;
1996         ot->exec = wm_search_menu_exec;
1997         ot->poll = wm_search_menu_poll;
1998 }
1999
2000 static int wm_call_menu_exec(bContext *C, wmOperator *op)
2001 {
2002         char idname[BKE_ST_MAXNAME];
2003         RNA_string_get(op->ptr, "name", idname);
2004
2005         return UI_popup_menu_invoke(C, idname, op->reports);
2006 }
2007
2008 static void WM_OT_call_menu(wmOperatorType *ot)
2009 {
2010         ot->name = "Call Menu";
2011         ot->idname = "WM_OT_call_menu";
2012         ot->description = "Call (draw) a pre-defined menu";
2013
2014         ot->exec = wm_call_menu_exec;
2015         ot->poll = WM_operator_winactive;
2016
2017         ot->flag = OPTYPE_INTERNAL;
2018
2019         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the menu");
2020 }
2021
2022 static int wm_call_pie_menu_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2023 {
2024         char idname[BKE_ST_MAXNAME];
2025         RNA_string_get(op->ptr, "name", idname);
2026
2027         return UI_pie_menu_invoke(C, idname, event);
2028 }
2029
2030 static int wm_call_pie_menu_exec(bContext *C, wmOperator *op)
2031 {
2032         char idname[BKE_ST_MAXNAME];
2033         RNA_string_get(op->ptr, "name", idname);
2034
2035         return UI_pie_menu_invoke(C, idname, CTX_wm_window(C)->eventstate);
2036 }
2037
2038 static void WM_OT_call_menu_pie(wmOperatorType *ot)
2039 {
2040         ot->name = "Call Pie Menu";
2041         ot->idname = "WM_OT_call_menu_pie";
2042         ot->description = "Call (draw) a pre-defined pie menu";
2043
2044         ot->invoke = wm_call_pie_menu_invoke;
2045         ot->exec = wm_call_pie_menu_exec;
2046         ot->poll = WM_operator_winactive;
2047
2048         ot->flag = OPTYPE_INTERNAL;
2049
2050         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the pie menu");
2051 }
2052
2053 /* ************ window / screen operator definitions ************** */
2054
2055 /* this poll functions is needed in place of WM_operator_winactive
2056  * while it crashes on full screen */
2057 static int wm_operator_winactive_normal(bContext *C)
2058 {
2059         wmWindow *win = CTX_wm_window(C);
2060
2061         if (win == NULL || win->screen == NULL || win->screen->state != SCREENNORMAL)
2062                 return 0;
2063
2064         return 1;
2065 }
2066
2067 /* included for script-access */
2068 static void WM_OT_window_close(wmOperatorType *ot)
2069 {
2070         ot->name = "Close Window";
2071         ot->idname = "WM_OT_window_close";
2072         ot->description = "Close the current Blender window";
2073
2074         ot->exec = wm_window_close_exec;
2075         ot->poll = WM_operator_winactive;
2076 }
2077
2078 static void WM_OT_window_duplicate(wmOperatorType *ot)
2079 {
2080         ot->name = "Duplicate Window";
2081         ot->idname = "WM_OT_window_duplicate";
2082         ot->description = "Duplicate the current Blender window";
2083                 
2084         ot->exec = wm_window_duplicate_exec;
2085         ot->poll = wm_operator_winactive_normal;
2086 }
2087
2088 static void WM_OT_window_fullscreen_toggle(wmOperatorType *ot)
2089 {
2090         ot->name = "Toggle Window Fullscreen";
2091         ot->idname = "WM_OT_window_fullscreen_toggle";
2092         ot->description = "Toggle the current window fullscreen";
2093
2094         ot->exec = wm_window_fullscreen_toggle_exec;
2095         ot->poll = WM_operator_winactive;
2096 }
2097
2098 static int wm_exit_blender_exec(bContext *C, wmOperator *op)
2099 {
2100         WM_operator_free(op);
2101         
2102         WM_exit(C);
2103         
2104         return OPERATOR_FINISHED;
2105 }
2106
2107 static void WM_OT_quit_blender(wmOperatorType *ot)
2108 {
2109         ot->name = "Quit Blender";
2110         ot->idname = "WM_OT_quit_blender";
2111         ot->description = "Quit Blender";
2112
2113         ot->invoke = WM_operator_confirm;
2114         ot->exec = wm_exit_blender_exec;
2115 }
2116
2117 /* *********************** */
2118
2119 #if defined(WIN32)
2120
2121 static int wm_console_toggle_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
2122 {
2123         GHOST_toggleConsole(2);
2124         return OPERATOR_FINISHED;
2125 }
2126
2127 static void WM_OT_console_toggle(wmOperatorType *ot)
2128 {
2129         /* XXX Have to mark these for xgettext, as under linux they do not exists... */
2130         ot->name = CTX_N_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Toggle System Console");
2131         ot->idname = "WM_OT_console_toggle";
2132         ot->description = N_("Toggle System Console");
2133         
2134         ot->exec = wm_console_toggle_exec;
2135         ot->poll = WM_operator_winactive;
2136 }
2137
2138 #endif
2139
2140 /* ************ default paint cursors, draw always around cursor *********** */
2141 /*
2142  * - returns handler to free
2143  * - poll(bContext): returns 1 if draw should happen
2144  * - draw(bContext): drawing callback for paint cursor
2145  */
2146
2147 void *WM_paint_cursor_activate(wmWindowManager *wm, int (*poll)(bContext *C),
2148                                wmPaintCursorDraw draw, void *customdata)
2149 {
2150         wmPaintCursor *pc = MEM_callocN(sizeof(wmPaintCursor), "paint cursor");
2151         
2152         BLI_addtail(&wm->paintcursors, pc);
2153         
2154         pc->customdata = customdata;
2155         pc->poll = poll;
2156         pc->draw = draw;
2157         
2158         return pc;
2159 }
2160
2161 void WM_paint_cursor_end(wmWindowManager *wm, void *handle)
2162 {
2163         wmPaintCursor *pc;
2164         
2165         for (pc = wm->paintcursors.first; pc; pc = pc->next) {
2166                 if (pc == (wmPaintCursor *)handle) {
2167                         BLI_remlink(&wm->paintcursors, pc);
2168                         MEM_freeN(pc);
2169                         return;
2170                 }
2171         }
2172 }
2173
2174 /* ************ window gesture operator-callback definitions ************** */
2175 /*
2176  * These are default callbacks for use in operators requiring gesture input
2177  */
2178
2179 /* **************** Border gesture *************** */
2180
2181 /**
2182  * Border gesture has two types:
2183  * -# #WM_GESTURE_CROSS_RECT: starts a cross, on mouse click it changes to border.
2184  * -# #WM_GESTURE_RECT: starts immediate as a border, on mouse click or release it ends.
2185  *
2186  * It stores 4 values (xmin, xmax, ymin, ymax) and event it ended with (event_type)
2187  */
2188
2189 static int border_apply_rect(wmOperator *op)
2190 {
2191         wmGesture *gesture = op->customdata;
2192         rcti *rect = gesture->customdata;
2193         
2194         if (rect->xmin == rect->xmax || rect->ymin == rect->ymax)
2195                 return 0;
2196
2197         
2198         /* operator arguments and storage. */
2199         RNA_int_set(op->ptr, "xmin", min_ii(rect->xmin, rect->xmax));
2200         RNA_int_set(op->ptr, "ymin", min_ii(rect->ymin, rect->ymax));
2201         RNA_int_set(op->ptr, "xmax", max_ii(rect->xmin, rect->xmax));
2202         RNA_int_set(op->ptr, "ymax", max_ii(rect->ymin, rect->ymax));
2203
2204         return 1;
2205 }
2206
2207 static int border_apply(bContext *C, wmOperator *op, int gesture_mode)
2208 {
2209         PropertyRNA *prop;
2210
2211         int retval;
2212
2213         if (!border_apply_rect(op))
2214                 return 0;
2215         
2216         /* XXX weak; border should be configured for this without reading event types */
2217         if ((prop = RNA_struct_find_property(op->ptr, "gesture_mode"))) {
2218                 RNA_property_int_set(op->ptr, prop, gesture_mode);
2219         }
2220
2221         retval = op->type->exec(C, op);
2222         OPERATOR_RETVAL_CHECK(retval);
2223
2224         return 1;
2225 }
2226
2227 static void wm_gesture_end(bContext *C, wmOperator *op)
2228 {
2229         wmGesture *gesture = op->customdata;
2230         
2231         WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2232         op->customdata = NULL;
2233
2234         ED_area_tag_redraw(CTX_wm_area(C));
2235         
2236         if (RNA_struct_find_property(op->ptr, "cursor")) {
2237                 WM_cursor_modal_restore(CTX_wm_window(C));
2238         }
2239 }
2240
2241 int WM_border_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2242 {
2243         if (ISTWEAK(event->type))
2244                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_RECT);
2245         else
2246                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_CROSS_RECT);
2247
2248         /* add modal handler */
2249         WM_event_add_modal_handler(C, op);
2250         
2251         wm_gesture_tag_redraw(C);
2252
2253         return OPERATOR_RUNNING_MODAL;
2254 }
2255
2256 int WM_border_select_modal(bContext *C, wmOperator *op, const wmEvent *event)
2257 {
2258         wmGesture *gesture = op->customdata;
2259         rcti *rect = gesture->customdata;
2260         int sx, sy;
2261         
2262         if (event->type == MOUSEMOVE) {
2263                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2264
2265                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2266                         rect->xmin = rect->xmax = event->x - sx;
2267                         rect->ymin = rect->ymax = event->y - sy;
2268                 }
2269                 else {
2270                         rect->xmax = event->x - sx;
2271                         rect->ymax = event->y - sy;
2272                 }
2273                 border_apply_rect(op);
2274
2275                 wm_gesture_tag_redraw(C);
2276         }
2277         else if (event->type == EVT_MODAL_MAP) {
2278                 switch (event->val) {
2279                         case GESTURE_MODAL_BEGIN:
2280                                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2281                                         gesture->mode = 1;
2282                                         wm_gesture_tag_redraw(C);
2283                                 }
2284                                 break;
2285                         case GESTURE_MODAL_SELECT:
2286                         case GESTURE_MODAL_DESELECT:
2287                         case GESTURE_MODAL_IN:
2288                         case GESTURE_MODAL_OUT:
2289                                 if (border_apply(C, op, event->val)) {
2290                                         wm_gesture_end(C, op);
2291                                         return OPERATOR_FINISHED;
2292                                 }
2293                                 wm_gesture_end(C, op);
2294                                 return OPERATOR_CANCELLED;
2295
2296                         case GESTURE_MODAL_CANCEL:
2297                                 wm_gesture_end(C, op);
2298                                 return OPERATOR_CANCELLED;
2299                 }
2300
2301         }
2302 #ifdef WITH_INPUT_NDOF
2303         else if (event->type == NDOF_MOTION) {
2304                 return OPERATOR_PASS_THROUGH;
2305         }
2306 #endif
2307 //      /* Allow view navigation??? */
2308 //      else {
2309 //              return OPERATOR_PASS_THROUGH;
2310 //      }
2311
2312         return OPERATOR_RUNNING_MODAL;
2313 }
2314
2315 void WM_border_select_cancel(bContext *C, wmOperator *op)
2316 {
2317         wm_gesture_end(C, op);
2318 }
2319
2320 /* **************** circle gesture *************** */
2321 /* works now only for selection or modal paint stuff, calls exec while hold mouse, exit on release */
2322
2323 #ifdef GESTURE_MEMORY
2324 int circle_select_size = 25; /* XXX - need some operator memory thing! */
2325 #endif
2326
2327 int WM_gesture_circle_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2328 {
2329         op->customdata = WM_gesture_new(C, event, WM_GESTURE_CIRCLE);
2330         
2331         /* add modal handler */
2332         WM_event_add_modal_handler(C, op);
2333         
2334         wm_gesture_tag_redraw(C);
2335         
2336         return OPERATOR_RUNNING_MODAL;
2337 }
2338
2339 static void gesture_circle_apply(bContext *C, wmOperator *op)
2340 {
2341         wmGesture *gesture = op->customdata;
2342         rcti *rect = gesture->customdata;
2343         
2344         if (RNA_int_get(op->ptr, "gesture_mode") == GESTURE_MODAL_NOP)
2345                 return;
2346
2347         /* operator arguments and storage. */
2348         RNA_int_set(op->ptr, "x", rect->xmin);
2349         RNA_int_set(op->ptr, "y", rect->ymin);
2350         RNA_int_set(op->ptr, "radius", rect->xmax);
2351         
2352         if (op->type->exec) {
2353                 int retval;
2354                 retval = op->type->exec(C, op);
2355                 OPERATOR_RETVAL_CHECK(retval);
2356         }
2357 #ifdef GESTURE_MEMORY
2358         circle_select_size = rect->xmax;
2359 #endif
2360 }
2361
2362 int WM_gesture_circle_modal(bContext *C, wmOperator *op, const wmEvent *event)
2363 {
2364         wmGesture *gesture = op->customdata;
2365         rcti *rect = gesture->customdata;
2366         int sx, sy;
2367
2368         if (event->type == MOUSEMOVE) {
2369                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2370
2371                 rect->xmin = event->x - sx;
2372                 rect->ymin = event->y - sy;
2373
2374                 wm_gesture_tag_redraw(C);
2375
2376                 if (gesture->mode)
2377                         gesture_circle_apply(C, op);
2378         }
2379         else if (event->type == EVT_MODAL_MAP) {
2380                 float fac;
2381                 
2382                 switch (event->val) {
2383                         case GESTURE_MODAL_CIRCLE_SIZE:
2384                                 fac = 0.3f * (event->y - event->prevy);
2385                                 if (fac > 0)
2386                                         rect->xmax += ceil(fac);
2387                                 else
2388                                         rect->xmax += floor(fac);
2389                                 if (rect->xmax < 1) rect->xmax = 1;
2390                                 wm_gesture_tag_redraw(C);
2391                                 break;
2392                         case GESTURE_MODAL_CIRCLE_ADD:
2393                                 rect->xmax += 2 + rect->xmax / 10;
2394                                 wm_gesture_tag_redraw(C);
2395                                 break;
2396                         case GESTURE_MODAL_CIRCLE_SUB:
2397                                 rect->xmax -= 2 + rect->xmax / 10;
2398                                 if (rect->xmax < 1) rect->xmax = 1;
2399                                 wm_gesture_tag_redraw(C);
2400                                 break;
2401                         case GESTURE_MODAL_SELECT:
2402                         case GESTURE_MODAL_DESELECT:
2403                         case GESTURE_MODAL_NOP:
2404                                 if (RNA_struct_find_property(op->ptr, "gesture_mode"))
2405                                         RNA_int_set(op->ptr, "gesture_mode", event->val);
2406
2407                                 if (event->val != GESTURE_MODAL_NOP) {
2408                                         /* apply first click */
2409                                         gesture_circle_apply(C, op);
2410                                         gesture->mode = 1;
2411                                         wm_gesture_tag_redraw(C);
2412                                 }
2413                                 break;
2414
2415                         case GESTURE_MODAL_CANCEL:
2416                         case GESTURE_MODAL_CONFIRM:
2417                                 wm_gesture_end(C, op);
2418                                 return OPERATOR_FINISHED; /* use finish or we don't get an undo */
2419                 }
2420         }
2421 #ifdef WITH_INPUT_NDOF
2422         else if (event->type == NDOF_MOTION) {
2423                 return OPERATOR_PASS_THROUGH;
2424         }
2425 #endif
2426         /* Allow view navigation??? */
2427         /* note, this gives issues: 1) other modal ops run on top (border select), 2) middlemouse is used now 3) tablet/trackpad? */
2428 //      else {
2429 //              return OPERATOR_PASS_THROUGH;
2430 //      }
2431
2432         return OPERATOR_RUNNING_MODAL;
2433 }
2434
2435 void WM_gesture_circle_cancel(bContext *C, wmOperator *op)
2436 {
2437         wm_gesture_end(C, op);
2438 }
2439
2440 #if 0
2441 /* template to copy from */
2442 void WM_OT_circle_gesture(wmOperatorType *ot)
2443 {
2444         ot->name = "Circle Gesture";
2445         ot->idname = "WM_OT_circle_gesture";
2446         ot->description = "Enter rotate mode with a circular gesture";
2447         
2448         ot->invoke = WM_gesture_circle_invoke;
2449         ot->modal = WM_gesture_circle_modal;
2450         
2451         ot->poll = WM_operator_winactive;
2452         
2453         RNA_def_property(ot->srna, "x", PROP_INT, PROP_NONE);
2454         RNA_def_property(ot->srna, "y", PROP_INT, PROP_NONE);
2455         RNA_def_property(ot->srna, "radius", PROP_INT, PROP_NONE);
2456
2457 }
2458 #endif
2459
2460 /* **************** Tweak gesture *************** */
2461
2462 static void tweak_gesture_modal(bContext *C, const wmEvent *event)
2463 {
2464         wmWindow *window = CTX_wm_window(C);
2465         wmGesture *gesture = window->tweak;
2466         rcti *rect = gesture->customdata;
2467         int sx, sy, val;
2468         
2469         switch (event->type) {
2470                 case MOUSEMOVE:
2471                 case INBETWEEN_MOUSEMOVE:
2472                         
2473                         wm_subwindow_origin_get(window, gesture->swinid, &sx, &sy);
2474                         
2475                         rect->xmax = event->x - sx;
2476                         rect->ymax = event->y - sy;
2477                         
2478                         if ((val = wm_gesture_evaluate(gesture))) {
2479                                 wmEvent tevent;
2480
2481                                 wm_event_init_from_window(window, &tevent);
2482                                 /* We want to get coord from start of drag, not from point where it becomes a tweak event, see T40549 */
2483                                 tevent.x = rect->xmin + sx;
2484                                 tevent.y = rect->ymin + sy;
2485                                 if (gesture->event_type == LEFTMOUSE)
2486                                         tevent.type = EVT_TWEAK_L;
2487                                 else if (gesture->event_type == RIGHTMOUSE)
2488                                         tevent.type = EVT_TWEAK_R;
2489                                 else
2490                                         tevent.type = EVT_TWEAK_M;
2491                                 tevent.val = val;
2492                                 /* mouse coords! */
2493
2494                                 /* important we add immediately after this event, so future mouse releases
2495                                  * (which may be in the queue already), are handled in order, see T44740 */
2496                                 wm_event_add_ex(window, &tevent, event);
2497                                 
2498                                 WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2499                         }
2500                         
2501                         break;
2502                         
2503                 case LEFTMOUSE:
2504                 case RIGHTMOUSE:
2505                 case MIDDLEMOUSE:
2506                         if (gesture->event_type == event->type) {
2507                                 WM_gesture_end(C, gesture);
2508
2509                                 /* when tweak fails we should give the other keymap entries a chance */
2510
2511                                 /* XXX, assigning to readonly, BAD JUJU! */
2512                                 ((wmEvent *)event)->val = KM_RELEASE;
2513                         }
2514                         break;
2515                 default:
2516                         if (!ISTIMER(event->type) && event->type != EVENT_NONE) {
2517                                 WM_gesture_end(C, gesture);
2518                         }
2519                         break;
2520         }
2521 }
2522
2523 /* standard tweak, called after window handlers passed on event */
2524 void wm_tweakevent_test(bContext *C, wmEvent *event, int action)
2525 {
2526         wmWindow *win = CTX_wm_window(C);
2527         
2528         if (win->tweak == NULL) {
2529                 if (CTX_wm_region(C)) {
2530                         if (event->val == KM_PRESS) {
2531                                 if (ELEM(event->type, LEFTMOUSE, MIDDLEMOUSE, RIGHTMOUSE)) {
2532                                         win->tweak = WM_gesture_new(C, event, WM_GESTURE_TWEAK);
2533                                 }
2534                         }
2535                 }
2536         }
2537         else {
2538                 /* no tweaks if event was handled */
2539                 if ((action & WM_HANDLER_BREAK)) {
2540                         WM_gesture_end(C, win->tweak);
2541                 }
2542                 else
2543                         tweak_gesture_modal(C, event);
2544         }
2545 }
2546
2547 /* *********************** lasso gesture ****************** */
2548
2549 int WM_gesture_lasso_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2550 {
2551         PropertyRNA *prop;
2552
2553         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LASSO);
2554         
2555         /* add modal handler */
2556         WM_event_add_modal_handler(C, op);
2557         
2558         wm_gesture_tag_redraw(C);
2559         
2560         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2561                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2562         }
2563         
2564         return OPERATOR_RUNNING_MODAL;
2565 }
2566
2567 int WM_gesture_lines_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2568 {
2569         PropertyRNA *prop;
2570
2571         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LINES);
2572         
2573         /* add modal handler */
2574         WM_event_add_modal_handler(C, op);
2575         
2576         wm_gesture_tag_redraw(C);
2577         
2578         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2579                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2580         }
2581         
2582         return OPERATOR_RUNNING_MODAL;
2583 }
2584
2585
2586 static void gesture_lasso_apply(bContext *C, wmOperator *op)
2587 {
2588         wmGesture *gesture = op->customdata;
2589         PointerRNA itemptr;
2590         float loc[2];
2591         int i;
2592         const short *lasso = gesture->customdata;
2593         
2594         /* operator storage as path. */
2595
2596         RNA_collection_clear(op->ptr, "path");
2597         for (i = 0; i < gesture->points; i++, lasso += 2) {
2598                 loc[0] = lasso[0];
2599                 loc[1] = lasso[1];
2600                 RNA_collection_add(op->ptr, "path", &itemptr);
2601                 RNA_float_set_array(&itemptr, "loc", loc);
2602         }
2603         
2604         wm_gesture_end(C, op);
2605                 
2606         if (op->type->exec) {
2607                 int retval = op->type->exec(C, op);
2608                 OPERATOR_RETVAL_CHECK(retval);
2609         }
2610 }
2611
2612 int WM_gesture_lasso_modal(bContext *C, wmOperator *op, const wmEvent *event)
2613 {
2614         wmGesture *gesture = op->customdata;
2615         int sx, sy;
2616         
2617         switch (event->type) {
2618                 case MOUSEMOVE:
2619                 case INBETWEEN_MOUSEMOVE:
2620                         
2621                         wm_gesture_tag_redraw(C);
2622                         
2623                         wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2624
2625                         if (gesture->points == gesture->size) {
2626                                 short *old_lasso = gesture->customdata;
2627                                 gesture->customdata = MEM_callocN(2 * sizeof(short) * (gesture->size + WM_LASSO_MIN_POINTS), "lasso points");
2628                                 memcpy(gesture->customdata, old_lasso, 2 * sizeof(short) * gesture->size);
2629                                 gesture->size = gesture->size + WM_LASSO_MIN_POINTS;
2630                                 MEM_freeN(old_lasso);
2631                                 // printf("realloc\n");
2632                         }
2633
2634                         {
2635                                 int x, y;
2636                                 short *lasso = gesture->customdata;
2637                                 
2638                                 lasso += (2 * gesture->points - 2);
2639                                 x = (event->x - sx - lasso[0]);
2640                                 y = (event->y - sy - lasso[1]);
2641                                 
2642                                 /* make a simple distance check to get a smoother lasso
2643                                  * add only when at least 2 pixels between this and previous location */
2644                                 if ((x * x + y * y) > 4) {
2645                                         lasso += 2;
2646                                         lasso[0] = event->x - sx;
2647                                         lasso[1] = event->y - sy;
2648                                         gesture->points++;
2649                                 }
2650                         }
2651                         break;
2652                         
2653                 case LEFTMOUSE:
2654                 case MIDDLEMOUSE:
2655                 case RIGHTMOUSE:
2656                         if (event->val == KM_RELEASE) {   /* key release */
2657                                 gesture_lasso_apply(C, op);
2658                                 return OPERATOR_FINISHED;
2659                         }
2660                         break;
2661                 case ESCKEY:
2662                         wm_gesture_end(C, op);
2663                         return OPERATOR_CANCELLED;
2664         }
2665         return OPERATOR_RUNNING_MODAL;
2666 }
2667
2668 int WM_gesture_lines_modal(bContext *C, wmOperator *op, const wmEvent *event)
2669 {
2670         return WM_gesture_lasso_modal(C, op, event);
2671 }
2672
2673 void WM_gesture_lasso_cancel(bContext *C, wmOperator *op)
2674 {
2675         wm_gesture_end(C, op);
2676 }
2677
2678 void WM_gesture_lines_cancel(bContext *C, wmOperator *op)
2679 {
2680         wm_gesture_end(C, op);
2681 }
2682
2683 /**
2684  * helper function, we may want to add options for conversion to view space
2685  *
2686  * caller must free.
2687  */
2688 const int (*WM_gesture_lasso_path_to_array(bContext *UNUSED(C), wmOperator *op, int *mcords_tot))[2]
2689 {
2690         PropertyRNA *prop = RNA_struct_find_property(op->ptr, "path");
2691         int (*mcords)[2] = NULL;
2692         BLI_assert(prop != NULL);
2693
2694         if (prop) {
2695                 const int len = RNA_property_collection_length(op->ptr, prop);
2696
2697                 if (len) {
2698                         int i = 0;
2699                         mcords = MEM_mallocN(sizeof(int) * 2 * len, __func__);
2700
2701                         RNA_PROP_BEGIN (op->ptr, itemptr, prop)
2702                         {
2703                                 float loc[2];
2704
2705                                 RNA_float_get_array(&itemptr, "loc", loc);
2706                                 mcords[i][0] = (int)loc[0];
2707                                 mcords[i][1] = (int)loc[1];
2708                                 i++;
2709                         }
2710                         RNA_PROP_END;
2711                 }
2712                 *mcords_tot = len;
2713         }
2714         else {
2715                 *mcords_tot = 0;
2716         }
2717
2718         /* cast for 'const' */
2719         return (const int (*)[2])mcords;
2720 }
2721
2722 #if 0
2723 /* template to copy from */
2724
2725 static int gesture_lasso_exec(bContext *C, wmOperator *op)
2726 {
2727         RNA_BEGIN (op->ptr, itemptr, "path")
2728         {
2729                 float loc[2];
2730                 
2731                 RNA_float_get_array(&itemptr, "loc", loc);
2732                 printf("Location: %f %f\n", loc[0], loc[1]);
2733         }
2734         RNA_END;
2735         
2736         return OPERATOR_FINISHED;
2737 }
2738
2739 void WM_OT_lasso_gesture(wmOperatorType *ot)
2740 {
2741         PropertyRNA *prop;
2742         
2743         ot->name = "Lasso Gesture";
2744         ot->idname = "WM_OT_lasso_gesture";
2745         ot->description = "Select objects within the lasso as you move the pointer";
2746         
2747         ot->invoke = WM_gesture_lasso_invoke;
2748         ot->modal = WM_gesture_lasso_modal;
2749         ot->exec = gesture_lasso_exec;
2750         
2751         ot->poll = WM_operator_winactive;
2752         
2753         prop = RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
2754         RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
2755 }
2756 #endif
2757
2758 /* *********************** straight line gesture ****************** */
2759
2760 static int straightline_apply(bContext *C, wmOperator *op)
2761 {
2762         wmGesture *gesture = op->customdata;
2763         rcti *rect = gesture->customdata;
2764         
2765         if (rect->xmin == rect->xmax && rect->ymin == rect->ymax)
2766                 return 0;
2767         
2768         /* operator arguments and storage. */
2769         RNA_int_set(op->ptr, "xstart", rect->xmin);
2770         RNA_int_set(op->ptr, "ystart", rect->ymin);
2771         RNA_int_set(op->ptr, "xend", rect->xmax);
2772         RNA_int_set(op->ptr, "yend", rect->ymax);
2773
2774         if (op->type->exec) {
2775                 int retval = op->type->exec(C, op);
2776                 OPERATOR_RETVAL_CHECK(retval);
2777         }
2778         
2779         return 1;
2780 }
2781
2782
2783 int WM_gesture_straightline_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2784 {
2785         PropertyRNA *prop;
2786
2787         op->customdata = WM_gesture_new(C, event, WM_GESTURE_STRAIGHTLINE);
2788         
2789         /* add modal handler */
2790         WM_event_add_modal_handler(C, op);
2791         
2792         wm_gesture_tag_redraw(C);
2793         
2794         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2795                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2796         }
2797                 
2798         return OPERATOR_RUNNING_MODAL;
2799 }
2800
2801 int WM_gesture_straightline_modal(bContext *C, wmOperator *op, const wmEvent *event)
2802 {
2803         wmGesture *gesture = op->customdata;
2804         rcti *rect = gesture->customdata;
2805         int sx, sy;
2806         
2807         if (event->type == MOUSEMOVE) {
2808                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2809                 
2810                 if (gesture->mode == 0) {
2811                         rect->xmin = rect->xmax = event->x - sx;
2812                         rect->ymin = rect->ymax = event->y - sy;
2813                 }
2814                 else {
2815                         rect->xmax = event->x - sx;
2816                         rect->ymax = event->y - sy;
2817                         straightline_apply(C, op);
2818                 }
2819                 
2820                 wm_gesture_tag_redraw(C);
2821         }
2822         else if (event->type == EVT_MODAL_MAP) {
2823                 switch (event->val) {
2824                         case GESTURE_MODAL_BEGIN:
2825                                 if (gesture->mode == 0) {
2826                                         gesture->mode = 1;
2827                                         wm_gesture_tag_redraw(C);
2828                                 }
2829                                 break;
2830                         case GESTURE_MODAL_SELECT:
2831                                 if (straightline_apply(C, op)) {
2832                                         wm_gesture_end(C, op);
2833                                         return OPERATOR_FINISHED;
2834                                 }
2835                                 wm_gesture_end(C, op);
2836                                 return OPERATOR_CANCELLED;
2837                                 
2838                         case GESTURE_MODAL_CANCEL:
2839                                 wm_gesture_end(C, op);
2840                                 return OPERATOR_CANCELLED;
2841                 }
2842                 
2843         }
2844
2845         return OPERATOR_RUNNING_MODAL;
2846 }
2847
2848 void WM_gesture_straightline_cancel(bContext *C, wmOperator *op)
2849 {
2850         wm_gesture_end(C, op);
2851 }
2852
2853 #if 0
2854 /* template to copy from */
2855 void WM_OT_straightline_gesture(wmOperatorType *ot)
2856 {
2857         PropertyRNA *prop;
2858         
2859         ot->name = "Straight Line Gesture";
2860         ot->idname = "WM_OT_straightline_gesture";
2861         ot->description = "Draw a straight line as you move the pointer";
2862         
2863         ot->invoke = WM_gesture_straightline_invoke;
2864         ot->modal = WM_gesture_straightline_modal;
2865         ot->exec = gesture_straightline_exec;
2866         
2867         ot->poll = WM_operator_winactive;
2868         
2869         WM_operator_properties_gesture_straightline(ot, 0);
2870 }
2871 #endif
2872
2873 /* *********************** radial control ****************** */
2874
2875 #define WM_RADIAL_CONTROL_DISPLAY_SIZE (200 * UI_DPI_FAC)
2876 #define WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE (35 * UI_DPI_FAC)
2877 #define WM_RADIAL_CONTROL_DISPLAY_WIDTH (WM_RADIAL_CONTROL_DISPLAY_SIZE - WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE)
2878 #define WM_RADIAL_MAX_STR 10
2879
2880 typedef struct {
2881         PropertyType type;
2882         PropertySubType subtype;
2883         PointerRNA ptr, col_ptr, fill_col_ptr, rot_ptr, zoom_ptr, image_id_ptr;
2884         PointerRNA fill_col_override_ptr, fill_col_override_test_ptr;
2885         PropertyRNA *prop, *col_prop, *fill_col_prop, *rot_prop, *zoom_prop;
2886         PropertyRNA *fill_col_override_prop, *fill_col_override_test_prop;
2887         StructRNA *image_id_srna;
2888         float initial_value, current_value, min_value, max_value;
2889         int initial_mouse[2];
2890         int slow_mouse[2];
2891         bool slow_mode;
2892         Dial *dial;
2893         unsigned int gltex;
2894         ListBase orig_paintcursors;
2895         bool use_secondary_tex;
2896         void *cursor;
2897         NumInput num_input;
2898 } RadialControl;
2899
2900 static void radial_control_update_header(wmOperator *op, bContext *C)
2901 {
2902         RadialControl *rc = op->customdata;
2903         char msg[UI_MAX_DRAW_STR];
2904         ScrArea *sa = CTX_wm_area(C);
2905         Scene *scene = CTX_data_scene(C);
2906         
2907         if (sa) {
2908                 if (hasNumInput(&rc->num_input)) {
2909                         char num_str[NUM_STR_REP_LEN];
2910                         outputNumInput(&rc->num_input, num_str, &scene->unit);
2911                         BLI_snprintf(msg, sizeof(msg), "%s: %s", RNA_property_ui_name(rc->prop), num_str);
2912                 }
2913                 else {
2914                         const char *ui_name = RNA_property_ui_name(rc->prop);
2915                         switch (rc->subtype) {
2916                                 case PROP_NONE:
2917                                 case PROP_DISTANCE:
2918                                         BLI_snprintf(msg, sizeof(msg), "%s: %0.4f", ui_name, rc->current_value);
2919                                         break;
2920                                 case PROP_PIXEL:
2921                                         BLI_snprintf(msg, sizeof(msg), "%s: %d", ui_name, (int)rc->current_value); /* XXX: round to nearest? */
2922                                         break;
2923                                 case PROP_PERCENTAGE:
2924                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.1f%%", ui_name, rc->current_value);
2925                                         break;
2926                                 case PROP_FACTOR:
2927                                         BLI_snprintf(msg, sizeof(msg), "%s: %1.3f", ui_name, rc->current_value);
2928                                         break;
2929                                 case PROP_ANGLE:
2930                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.2f", ui_name, RAD2DEGF(rc->current_value));
2931                                         break;
2932                                 default:
2933                                         BLI_snprintf(msg, sizeof(msg), "%s", ui_name); /* XXX: No value? */
2934                                         break;
2935                         }
2936                 }
2937                 ED_area_headerprint(sa, msg);
2938         }
2939 }
2940
2941 static void radial_control_set_initial_mouse(RadialControl *rc, const wmEvent *event)
2942 {
2943         float d[2] = {0, 0};
2944         float zoom[2] = {1, 1};
2945
2946         rc->initial_mouse[0] = event->x;
2947         rc->initial_mouse[1] = event->y;
2948
2949         switch (rc->subtype) {
2950                 case PROP_NONE:
2951                 case PROP_DISTANCE:
2952                 case PROP_PIXEL:
2953                         d[0] = rc->initial_value;
2954                         break;
2955                 case PROP_PERCENTAGE:
2956                         d[0] = (rc->initial_value) / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2957                         break;
2958                 case PROP_FACTOR:
2959                         d[0] = (1 - rc->initial_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2960                         break;
2961                 case PROP_ANGLE:
2962                         d[0] = WM_RADIAL_CONTROL_DISPLAY_SIZE * cosf(rc->initial_value);
2963                         d[1] = WM_RADIAL_CONTROL_DISPLAY_SIZE * sinf(rc->initial_value);
2964                         break;
2965                 default:
2966                         return;
2967         }
2968
2969         if (rc->zoom_prop) {
2970                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
2971                 d[0] *= zoom[0];
2972                 d[1] *= zoom[1];
2973         }
2974
2975         rc->initial_mouse[0] -= d[0];
2976         rc->initial_mouse[1] -= d[1];
2977 }
2978
2979 static void radial_control_set_tex(RadialControl *rc)
2980 {
2981         ImBuf *ibuf;
2982
2983         switch (RNA_type_to_ID_code(rc->image_id_ptr.type)) {
2984                 case ID_BR:
2985                         if ((ibuf = BKE_brush_gen_radial_control_imbuf(rc->image_id_ptr.data, rc->use_secondary_tex))) {
2986                                 glGenTextures(1, &rc->gltex);
2987                                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
2988                                 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, ibuf->x, ibuf->y, 0,
2989                                              GL_ALPHA, GL_FLOAT, ibuf->rect_float);
2990                                 MEM_freeN(ibuf->rect_float);
2991                                 MEM_freeN(ibuf);
2992                         }
2993                         break;
2994                 default:
2995                         break;
2996         }
2997 }
2998
2999 static void radial_control_paint_tex(RadialControl *rc, float radius, float alpha)
3000 {
3001         float col[3] = {0, 0, 0};
3002         float rot;
3003
3004         /* set fill color */
3005         if (rc->fill_col_prop) {
3006                 PointerRNA *fill_ptr;
3007                 PropertyRNA *fill_prop;
3008
3009                 if (rc->fill_col_override_prop &&
3010                     RNA_property_boolean_get(&rc->fill_col_override_test_ptr, rc->fill_col_override_test_prop))
3011                 {
3012                         fill_ptr = &rc->fill_col_override_ptr;
3013                         fill_prop = rc->fill_col_override_prop;
3014                 }
3015                 else {
3016                         fill_ptr = &rc->fill_col_ptr;
3017                         fill_prop = rc->fill_col_prop;
3018                 }
3019
3020                 RNA_property_float_get_array(fill_ptr, fill_prop, col);
3021         }
3022         glColor4f(col[0], col[1], col[2], alpha);
3023
3024         if (rc->gltex) {
3025                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
3026
3027                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
3028                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
3029
3030                 /* set up rotation if available */
3031                 if (rc->rot_prop) {
3032                         rot = RNA_property_float_get(&rc->rot_ptr, rc->rot_prop);
3033                         glPushMatrix();
3034                         glRotatef(RAD2DEGF(rot), 0, 0, 1);
3035                 }
3036
3037                 /* draw textured quad */
3038                 GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR);
3039                 glBegin(GL_QUADS);
3040                 glTexCoord2f(0, 0);
3041                 glVertex2f(-radius, -radius);
3042                 glTexCoord2f(1, 0);
3043                 glVertex2f(radius, -radius);
3044                 glTexCoord2f(1, 1);
3045                 glVertex2f(radius, radius);
3046                 glTexCoord2f(0, 1);
3047                 glVertex2f(-radius, radius);
3048                 glEnd();
3049                 GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
3050
3051                 /* undo rotation */
3052                 if (rc->rot_prop)
3053                         glPopMatrix();
3054         }
3055         else {
3056                 /* flat color if no texture available */
3057                 glutil_draw_filled_arc(0, M_PI * 2, radius, 40);
3058         }
3059 }
3060
3061 static void radial_control_paint_cursor(bContext *C, int x, int y, void *customdata)
3062 {
3063         RadialControl *rc = customdata;
3064         ARegion *ar = CTX_wm_region(C);
3065         uiStyle *style = UI_style_get();
3066         const uiFontStyle *fstyle = &style->widget;
3067         const int fontid = fstyle->uifont_id;
3068         short fstyle_points = fstyle->points;
3069         char str[WM_RADIAL_MAX_STR];
3070         short strdrawlen = 0;
3071         float strwidth, strheight;
3072         float r1 = 0.0f, r2 = 0.0f, rmin = 0.0, tex_radius, alpha;
3073         float zoom[2], col[3] = {1, 1, 1};      
3074
3075         switch (rc->subtype) {
3076                 case PROP_NONE:
3077                 case PROP_DISTANCE:
3078                 case PROP_PIXEL:
3079                         r1 = rc->current_value;
3080                         r2 = rc->initial_value;
3081                         tex_radius = r1;
3082                         alpha = 0.75;
3083                         break;
3084                 case PROP_PERCENTAGE:
3085                         r1 = rc->current_value / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3086                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3087                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3088                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.1f%%", rc->current_value);
3089                         strdrawlen = BLI_strlen_utf8(str);
3090                         tex_radius = r1;
3091                         alpha = 0.75;
3092                         break;
3093                 case PROP_FACTOR:
3094                         r1 = (1 - rc->current_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3095                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3096                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3097                         alpha = rc->current_value / 2.0f + 0.5f;
3098                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%1.3f", rc->current_value);
3099                         strdrawlen = BLI_strlen_utf8(str);
3100                         break;
3101                 case PROP_ANGLE:
3102                         r1 = r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3103                         alpha = 0.75;
3104                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3105                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.2f", RAD2DEGF(rc->current_value));
3106                         strdrawlen = BLI_strlen_utf8(str);
3107                         break;
3108                 default:
3109                         tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE; /* note, this is a dummy value */
3110                         alpha = 0.75;
3111                         break;
3112         }
3113
3114         /* Keep cursor in the original place */
3115         x = rc->initial_mouse[0] - ar->winrct.xmin;
3116         y = rc->initial_mouse[1] - ar->winrct.ymin;
3117         glTranslatef((float)x, (float)y, 0.0f);
3118
3119         glEnable(GL_BLEND);
3120         glEnable(GL_LINE_SMOOTH);
3121
3122         /* apply zoom if available */
3123         if (rc->zoom_prop) {
3124                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
3125                 glScalef(zoom[0], zoom[1], 1);
3126         }
3127
3128         /* draw rotated texture */
3129         radial_control_paint_tex(rc, tex_radius, alpha);
3130