WM: Application Templates
[blender.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, false);
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         search[0] = '\0';
1122 #if 0 /* ok, this isn't so easy... */
1123         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, "");
1124 #endif
1125         but = uiDefSearchButO_ptr(block, op->type, op->ptr->data, search, 0, ICON_VIEWZOOM, sizeof(search),
1126                                   10, 10, UI_searchbox_size_x(), UI_UNIT_Y, 0, 0, "");
1127
1128         /* fake button, it holds space for search items */
1129         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);
1130
1131         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1132
1133         wm_event_init_from_window(win, &event);
1134         event.type = EVT_BUT_OPEN;
1135         event.val = KM_PRESS;
1136         event.customdata = but;
1137         event.customdatafree = false;
1138         wm_event_add(win, &event);
1139
1140         return block;
1141 }
1142
1143
1144 int WM_enum_search_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1145 {
1146         UI_popup_block_invoke(C, wm_enum_search_menu, op);
1147         return OPERATOR_INTERFACE;
1148 }
1149
1150 /* Can't be used as an invoke directly, needs message arg (can be NULL) */
1151 int WM_operator_confirm_message_ex(bContext *C, wmOperator *op,
1152                                    const char *title, const int icon,
1153                                    const char *message)
1154 {
1155         uiPopupMenu *pup;
1156         uiLayout *layout;
1157         IDProperty *properties = op->ptr->data;
1158
1159         if (properties && properties->len)
1160                 properties = IDP_CopyProperty(op->ptr->data);
1161         else
1162                 properties = NULL;
1163
1164         pup = UI_popup_menu_begin(C, title, icon);
1165         layout = UI_popup_menu_layout(pup);
1166         uiItemFullO_ptr(layout, op->type, message, ICON_NONE, properties, WM_OP_EXEC_REGION_WIN, 0);
1167         UI_popup_menu_end(C, pup);
1168         
1169         return OPERATOR_INTERFACE;
1170 }
1171
1172 int WM_operator_confirm_message(bContext *C, wmOperator *op, const char *message)
1173 {
1174         return WM_operator_confirm_message_ex(C, op, IFACE_("OK?"), ICON_QUESTION, message);
1175 }
1176
1177 int WM_operator_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1178 {
1179         return WM_operator_confirm_message(C, op, NULL);
1180 }
1181
1182 /* op->invoke, opens fileselect if path property not set, otherwise executes */
1183 int WM_operator_filesel(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1184 {
1185         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1186                 return WM_operator_call_notest(C, op); /* call exec direct */
1187         }
1188         else {
1189                 WM_event_add_fileselect(C, op);
1190                 return OPERATOR_RUNNING_MODAL;
1191         }
1192 }
1193
1194 bool WM_operator_filesel_ensure_ext_imtype(wmOperator *op, const struct ImageFormatData *im_format)
1195 {
1196         PropertyRNA *prop;
1197         char filepath[FILE_MAX];
1198         /* dont NULL check prop, this can only run on ops with a 'filepath' */
1199         prop = RNA_struct_find_property(op->ptr, "filepath");
1200         RNA_property_string_get(op->ptr, prop, filepath);
1201         if (BKE_image_path_ensure_ext_from_imformat(filepath, im_format)) {
1202                 RNA_property_string_set(op->ptr, prop, filepath);
1203                 /* note, we could check for and update 'filename' here,
1204                  * but so far nothing needs this. */
1205                 return true;
1206         }
1207         return false;
1208 }
1209
1210 /* op->poll */
1211 int WM_operator_winactive(bContext *C)
1212 {
1213         if (CTX_wm_window(C) == NULL) return 0;
1214         return 1;
1215 }
1216
1217 /* return false, if the UI should be disabled */
1218 bool WM_operator_check_ui_enabled(const bContext *C, const char *idname)
1219 {
1220         wmWindowManager *wm = CTX_wm_manager(C);
1221         Scene *scene = CTX_data_scene(C);
1222
1223         return !((ED_undo_is_valid(C, idname) == false) || WM_jobs_test(wm, scene, WM_JOB_TYPE_ANY));
1224 }
1225
1226 wmOperator *WM_operator_last_redo(const bContext *C)
1227 {
1228         wmWindowManager *wm = CTX_wm_manager(C);
1229         wmOperator *op;
1230
1231         /* only for operators that are registered and did an undo push */
1232         for (op = wm->operators.last; op; op = op->prev)
1233                 if ((op->type->flag & OPTYPE_REGISTER) && (op->type->flag & OPTYPE_UNDO))
1234                         break;
1235
1236         return op;
1237 }
1238
1239 /**
1240  * Use for drag & drop a path or name with operators invoke() function.
1241  */
1242 ID *WM_operator_drop_load_path(struct bContext *C, wmOperator *op, const short idcode)
1243 {
1244         ID *id = NULL;
1245         /* check input variables */
1246         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1247                 const bool is_relative_path = RNA_boolean_get(op->ptr, "relative_path");
1248                 char path[FILE_MAX];
1249                 bool exists = false;
1250
1251                 RNA_string_get(op->ptr, "filepath", path);
1252
1253                 errno = 0;
1254
1255                 if (idcode == ID_IM) {
1256                         id = (ID *)BKE_image_load_exists_ex(path, &exists);
1257                 }
1258                 else {
1259                         BLI_assert(0);
1260                 }
1261
1262                 if (!id) {
1263                         BKE_reportf(op->reports, RPT_ERROR, "Cannot read %s '%s': %s",
1264                                     BKE_idcode_to_name(idcode), path,
1265                                     errno ? strerror(errno) : TIP_("unsupported format"));
1266                         return NULL;
1267                 }
1268
1269                 if (is_relative_path ) {
1270                         if (exists == false) {
1271                                 Main *bmain = CTX_data_main(C);
1272
1273                                 if (idcode == ID_IM) {
1274                                         BLI_path_rel(((Image *)id)->name, bmain->name);
1275                                 }
1276                                 else {
1277                                         BLI_assert(0);
1278                                 }
1279                         }
1280                 }
1281         }
1282         else if (RNA_struct_property_is_set(op->ptr, "name")) {
1283                 char name[MAX_ID_NAME - 2];
1284                 RNA_string_get(op->ptr, "name", name);
1285                 id = BKE_libblock_find_name(idcode, name);
1286                 if (!id) {
1287                         BKE_reportf(op->reports, RPT_ERROR, "%s '%s' not found",
1288                                     BKE_idcode_to_name(idcode), name);
1289                         return NULL;
1290                 }
1291                 id_us_plus(id);
1292         }
1293
1294         return id;
1295 }
1296
1297 static void wm_block_redo_cb(bContext *C, void *arg_op, int UNUSED(arg_event))
1298 {
1299         wmOperator *op = arg_op;
1300
1301         if (op == WM_operator_last_redo(C)) {
1302                 /* operator was already executed once? undo & repeat */
1303                 ED_undo_operator_repeat(C, op);
1304         }
1305         else {
1306                 /* operator not executed yet, call it */
1307                 ED_undo_push_op(C, op);
1308                 wm_operator_register(C, op);
1309
1310                 WM_operator_repeat(C, op);
1311         }
1312 }
1313
1314 static void wm_block_redo_cancel_cb(bContext *C, void *arg_op)
1315 {
1316         wmOperator *op = arg_op;
1317
1318         /* if operator never got executed, free it */
1319         if (op != WM_operator_last_redo(C))
1320                 WM_operator_free(op);
1321 }
1322
1323 static uiBlock *wm_block_create_redo(bContext *C, ARegion *ar, void *arg_op)
1324 {
1325         wmOperator *op = arg_op;
1326         uiBlock *block;
1327         uiLayout *layout;
1328         uiStyle *style = UI_style_get();
1329         int width = 15 * UI_UNIT_X;
1330
1331         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1332         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1333         /* UI_BLOCK_NUMSELECT for layer buttons */
1334         UI_block_flag_enable(block, UI_BLOCK_NUMSELECT | UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1335
1336         /* if register is not enabled, the operator gets freed on OPERATOR_FINISHED
1337          * ui_apply_but_funcs_after calls ED_undo_operator_repeate_cb and crashes */
1338         assert(op->type->flag & OPTYPE_REGISTER);
1339
1340         UI_block_func_handle_set(block, wm_block_redo_cb, arg_op);
1341         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, width, UI_UNIT_Y, 0, style);
1342
1343         if (op == WM_operator_last_redo(C))
1344                 if (!WM_operator_check_ui_enabled(C, op->type->name))
1345                         uiLayoutSetEnabled(layout, false);
1346
1347         if (op->type->flag & OPTYPE_MACRO) {
1348                 for (op = op->macro.first; op; op = op->next) {
1349                         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1350                         if (op->next)
1351                                 uiItemS(layout);
1352                 }
1353         }
1354         else {
1355                 uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1356         }
1357         
1358         UI_block_bounds_set_popup(block, 4, 0, 0);
1359
1360         return block;
1361 }
1362
1363 typedef struct wmOpPopUp {
1364         wmOperator *op;
1365         int width;
1366         int height;
1367         int free_op;
1368 } wmOpPopUp;
1369
1370 /* Only invoked by OK button in popups created with wm_block_dialog_create() */
1371 static void dialog_exec_cb(bContext *C, void *arg1, void *arg2)
1372 {
1373         wmOpPopUp *data = arg1;
1374         uiBlock *block = arg2;
1375
1376         /* Explicitly set UI_RETURN_OK flag, otherwise the menu might be cancelled
1377          * in case WM_operator_call_ex exits/reloads the current file (T49199). */
1378         UI_popup_menu_retval_set(block, UI_RETURN_OK, true);
1379
1380         WM_operator_call_ex(C, data->op, true);
1381
1382         /* let execute handle freeing it */
1383         //data->free_op = false;
1384         //data->op = NULL;
1385
1386         /* in this case, wm_operator_ui_popup_cancel wont run */
1387         MEM_freeN(data);
1388
1389         /* get context data *after* WM_operator_call_ex which might have closed the current file and changed context */
1390         wmWindowManager *wm = CTX_wm_manager(C);
1391         wmWindow *win = CTX_wm_window(C);
1392
1393         /* check window before 'block->handle' incase the
1394          * popup execution closed the window and freed the block. see T44688.
1395          */
1396         /* Post 2.78 TODO: Check if this fix and others related to T44688 are still
1397          * needed or can be improved now that requesting context data has been corrected
1398          * (see above). We're close to release so not a good time for experiments.
1399          * -- Julian
1400          */
1401         if (BLI_findindex(&wm->windows, win) != -1) {
1402                 UI_popup_block_close(C, win, block);
1403         }
1404 }
1405
1406 static void popup_check_cb(bContext *C, void *op_ptr, void *UNUSED(arg))
1407 {
1408         wmOperator *op = op_ptr;
1409         if (op->type->check) {
1410                 if (op->type->check(C, op)) {
1411                         /* check for popup and re-layout buttons */
1412                         ARegion *ar_menu = CTX_wm_menu(C);
1413                         if (ar_menu) {
1414                                 ED_region_tag_refresh_ui(ar_menu);
1415                         }
1416                 }
1417         }
1418 }
1419
1420 /* Dialogs are popups that require user verification (click OK) before exec */
1421 static uiBlock *wm_block_dialog_create(bContext *C, ARegion *ar, void *userData)
1422 {
1423         wmOpPopUp *data = userData;
1424         wmOperator *op = data->op;
1425         uiBlock *block;
1426         uiLayout *layout;
1427         uiStyle *style = UI_style_get();
1428
1429         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1430         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1431
1432         /* intentionally don't use 'UI_BLOCK_MOVEMOUSE_QUIT', some dialogues have many items
1433          * where quitting by accident is very annoying */
1434         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_NUMSELECT);
1435
1436         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1437         
1438         UI_block_func_set(block, popup_check_cb, op, NULL);
1439
1440         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1441         
1442         /* clear so the OK button is left alone */
1443         UI_block_func_set(block, NULL, NULL, NULL);
1444
1445         /* new column so as not to interfere with custom layouts [#26436] */
1446         {
1447                 uiBlock *col_block;
1448                 uiLayout *col;
1449                 uiBut *btn;
1450
1451                 col = uiLayoutColumn(layout, false);
1452                 col_block = uiLayoutGetBlock(col);
1453                 /* Create OK button, the callback of which will execute op */
1454                 btn = uiDefBut(col_block, UI_BTYPE_BUT, 0, IFACE_("OK"), 0, -30, 0, UI_UNIT_Y, NULL, 0, 0, 0, 0, "");
1455                 UI_but_func_set(btn, dialog_exec_cb, data, col_block);
1456         }
1457
1458         /* center around the mouse */
1459         UI_block_bounds_set_popup(block, 4, data->width / -2, data->height / 2);
1460
1461         return block;
1462 }
1463
1464 static uiBlock *wm_operator_ui_create(bContext *C, ARegion *ar, void *userData)
1465 {
1466         wmOpPopUp *data = userData;
1467         wmOperator *op = data->op;
1468         uiBlock *block;
1469         uiLayout *layout;
1470         uiStyle *style = UI_style_get();
1471
1472         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1473         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1474         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1475
1476         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1477
1478         UI_block_func_set(block, popup_check_cb, op, NULL);
1479
1480         /* since ui is defined the auto-layout args are not used */
1481         uiLayoutOperatorButs(C, layout, op, NULL, 'V', 0);
1482
1483         UI_block_func_set(block, NULL, NULL, NULL);
1484
1485         UI_block_bounds_set_popup(block, 4, 0, 0);
1486
1487         return block;
1488 }
1489
1490 static void wm_operator_ui_popup_cancel(struct bContext *C, void *userData)
1491 {
1492         wmOpPopUp *data = userData;
1493         wmOperator *op = data->op;
1494
1495         if (op) {
1496                 if (op->type->cancel) {
1497                         op->type->cancel(C, op);
1498                 }
1499
1500                 if (data->free_op) {
1501                         WM_operator_free(op);
1502                 }
1503         }
1504
1505         MEM_freeN(data);
1506 }
1507
1508 static void wm_operator_ui_popup_ok(struct bContext *C, void *arg, int retval)
1509 {
1510         wmOpPopUp *data = arg;
1511         wmOperator *op = data->op;
1512
1513         if (op && retval > 0)
1514                 WM_operator_call_ex(C, op, true);
1515         
1516         MEM_freeN(data);
1517 }
1518
1519 int WM_operator_ui_popup(bContext *C, wmOperator *op, int width, int height)
1520 {
1521         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_ui_popup");
1522         data->op = op;
1523         data->width = width;
1524         data->height = height;
1525         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1526         UI_popup_block_ex(C, wm_operator_ui_create, NULL, wm_operator_ui_popup_cancel, data);
1527         return OPERATOR_RUNNING_MODAL;
1528 }
1529
1530 /**
1531  * For use by #WM_operator_props_popup_call, #WM_operator_props_popup only.
1532  *
1533  * \note operator menu needs undo flag enabled, for redo callback */
1534 static int wm_operator_props_popup_ex(bContext *C, wmOperator *op,
1535                                       const bool do_call, const bool do_redo)
1536 {
1537         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1538                 BKE_reportf(op->reports, RPT_ERROR,
1539                             "Operator '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1540                 return OPERATOR_CANCELLED;
1541         }
1542
1543         if (do_redo) {
1544                 if ((op->type->flag & OPTYPE_UNDO) == 0) {
1545                         BKE_reportf(op->reports, RPT_ERROR,
1546                                     "Operator '%s' does not have undo enabled, incorrect invoke function", op->type->idname);
1547                         return OPERATOR_CANCELLED;
1548                 }
1549         }
1550
1551         /* if we don't have global undo, we can't do undo push for automatic redo,
1552          * so we require manual OK clicking in this popup */
1553         if (!do_redo || !(U.uiflag & USER_GLOBALUNDO))
1554                 return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, UI_UNIT_Y);
1555
1556         UI_popup_block_ex(C, wm_block_create_redo, NULL, wm_block_redo_cancel_cb, op);
1557
1558         if (do_call)
1559                 wm_block_redo_cb(C, op, 0);
1560
1561         return OPERATOR_RUNNING_MODAL;
1562 }
1563
1564 /**
1565  * Same as #WM_operator_props_popup but don't use operator redo.
1566  * just wraps #WM_operator_props_dialog_popup.
1567  */
1568 int WM_operator_props_popup_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1569 {
1570         return wm_operator_props_popup_ex(C, op, false, false);
1571 }
1572
1573 /**
1574  * Same as #WM_operator_props_popup but call the operator first,
1575  * This way - the button values correspond to the result of the operator.
1576  * Without this, first access to a button will make the result jump, see T32452.
1577  */
1578 int WM_operator_props_popup_call(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1579 {
1580         return wm_operator_props_popup_ex(C, op, true, true);
1581 }
1582
1583 int WM_operator_props_popup(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1584 {
1585         return wm_operator_props_popup_ex(C, op, false, true);
1586 }
1587
1588 int WM_operator_props_dialog_popup(bContext *C, wmOperator *op, int width, int height)
1589 {
1590         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_props_dialog_popup");
1591         
1592         data->op = op;
1593         data->width = width;
1594         data->height = height;
1595         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1596
1597         /* op is not executed until popup OK but is clicked */
1598         UI_popup_block_ex(C, wm_block_dialog_create, wm_operator_ui_popup_ok, wm_operator_ui_popup_cancel, data);
1599
1600         return OPERATOR_RUNNING_MODAL;
1601 }
1602
1603 int WM_operator_redo_popup(bContext *C, wmOperator *op)
1604 {
1605         /* CTX_wm_reports(C) because operator is on stack, not active in event system */
1606         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1607                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR,
1608                             "Operator redo '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1609                 return OPERATOR_CANCELLED;
1610         }
1611         if (op->type->poll && op->type->poll(C) == 0) {
1612                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "Operator redo '%s': wrong context", op->type->idname);
1613                 return OPERATOR_CANCELLED;
1614         }
1615         
1616         UI_popup_block_invoke(C, wm_block_create_redo, op);
1617
1618         return OPERATOR_CANCELLED;
1619 }
1620
1621 /* ***************** Debug menu ************************* */
1622
1623 static int wm_debug_menu_exec(bContext *C, wmOperator *op)
1624 {
1625         G.debug_value = RNA_int_get(op->ptr, "debug_value");
1626         ED_screen_refresh(CTX_wm_manager(C), CTX_wm_window(C));
1627         WM_event_add_notifier(C, NC_WINDOW, NULL);
1628
1629         return OPERATOR_FINISHED;
1630 }
1631
1632 static int wm_debug_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1633 {
1634         RNA_int_set(op->ptr, "debug_value", G.debug_value);
1635         return WM_operator_props_dialog_popup(C, op, 9 * UI_UNIT_X, UI_UNIT_Y);
1636 }
1637
1638 static void WM_OT_debug_menu(wmOperatorType *ot)
1639 {
1640         ot->name = "Debug Menu";
1641         ot->idname = "WM_OT_debug_menu";
1642         ot->description = "Open a popup to set the debug level";
1643         
1644         ot->invoke = wm_debug_menu_invoke;
1645         ot->exec = wm_debug_menu_exec;
1646         ot->poll = WM_operator_winactive;
1647         
1648         RNA_def_int(ot->srna, "debug_value", 0, SHRT_MIN, SHRT_MAX, "Debug Value", "", -10000, 10000);
1649 }
1650
1651 /* ***************** Operator defaults ************************* */
1652 static int wm_operator_defaults_exec(bContext *C, wmOperator *op)
1653 {
1654         PointerRNA ptr = CTX_data_pointer_get_type(C, "active_operator", &RNA_Operator);
1655
1656         if (!ptr.data) {
1657                 BKE_report(op->reports, RPT_ERROR, "No operator in context");
1658                 return OPERATOR_CANCELLED;
1659         }
1660
1661         WM_operator_properties_reset((wmOperator *)ptr.data);
1662         return OPERATOR_FINISHED;
1663 }
1664
1665 /* used by operator preset menu. pre-2.65 this was a 'Reset' button */
1666 static void WM_OT_operator_defaults(wmOperatorType *ot)
1667 {
1668         ot->name = "Restore Defaults";
1669         ot->idname = "WM_OT_operator_defaults";
1670         ot->description = "Set the active operator to its default values";
1671
1672         ot->exec = wm_operator_defaults_exec;
1673
1674         ot->flag = OPTYPE_INTERNAL;
1675 }
1676
1677 /* ***************** Splash Screen ************************* */
1678
1679 static void wm_block_splash_close(bContext *C, void *arg_block, void *UNUSED(arg))
1680 {
1681         wmWindow *win = CTX_wm_window(C);
1682         UI_popup_block_close(C, win, arg_block);
1683 }
1684
1685 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *arg_unused);
1686
1687 static void wm_block_splash_refreshmenu(bContext *C, void *UNUSED(arg_block), void *UNUSED(arg))
1688 {
1689         ARegion *ar_menu = CTX_wm_menu(C);
1690         ED_region_tag_refresh_ui(ar_menu);
1691 }
1692
1693 static int wm_resource_check_prev(void)
1694 {
1695
1696         const char *res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION, true);
1697
1698         // if (res) printf("USER: %s\n", res);
1699
1700 #if 0 /* ignore the local folder */
1701         if (res == NULL) {
1702                 /* with a local dir, copying old files isn't useful since local dir get priority for config */
1703                 res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_LOCAL, BLENDER_VERSION, true);
1704         }
1705 #endif
1706
1707         // if (res) printf("LOCAL: %s\n", res);
1708         if (res) {
1709                 return false;
1710         }
1711         else {
1712                 return (BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION - 1, true) != NULL);
1713         }
1714 }
1715
1716 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(arg))
1717 {
1718         uiBlock *block;
1719         uiBut *but;
1720         uiLayout *layout, *split, *col;
1721         uiStyle *style = UI_style_get();
1722         const struct RecentFile *recent;
1723         int i;
1724         MenuType *mt = WM_menutype_find("USERPREF_MT_splash", true);
1725         char url[96];
1726         const char *version_suffix = NULL;
1727
1728 #ifndef WITH_HEADLESS
1729         extern char datatoc_splash_png[];
1730         extern int datatoc_splash_png_size;
1731
1732         extern char datatoc_splash_2x_png[];
1733         extern int datatoc_splash_2x_png_size;
1734         ImBuf *ibuf;
1735 #else
1736         ImBuf *ibuf = NULL;
1737 #endif
1738
1739 #ifdef WITH_BUILDINFO
1740         int label_delta = 0;
1741         int hash_width, date_width;
1742         char date_buf[128] = "\0";
1743         char hash_buf[128] = "\0";
1744         extern unsigned long build_commit_timestamp;
1745         extern char build_hash[], build_commit_date[], build_commit_time[], build_branch[];
1746
1747         /* Builds made from tag only shows tag sha */
1748         BLI_snprintf(hash_buf, sizeof(hash_buf), "Hash: %s", build_hash);
1749         BLI_snprintf(date_buf, sizeof(date_buf), "Date: %s %s", build_commit_date, build_commit_time);
1750         
1751         BLF_size(style->widgetlabel.uifont_id, style->widgetlabel.points, U.pixelsize * U.dpi);
1752         hash_width = (int)BLF_width(style->widgetlabel.uifont_id, hash_buf, sizeof(hash_buf)) + U.widget_unit;
1753         date_width = (int)BLF_width(style->widgetlabel.uifont_id, date_buf, sizeof(date_buf)) + U.widget_unit;
1754 #endif  /* WITH_BUILDINFO */
1755
1756 #ifndef WITH_HEADLESS
1757         if (U.pixelsize == 2) {
1758                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_2x_png,
1759                                              datatoc_splash_2x_png_size, IB_rect, NULL, "<splash screen>");
1760         }
1761         else {
1762                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_png,
1763                                              datatoc_splash_png_size, IB_rect, NULL, "<splash screen>");
1764         }
1765
1766         /* overwrite splash with template image */
1767         if (U.app_template[0] != '\0') {
1768                 ImBuf *ibuf_template = NULL;
1769                 char splash_filepath[FILE_MAX];
1770                 char template_directory[FILE_MAX];
1771
1772                 if (BKE_appdir_app_template_id_search(
1773                         U.app_template,
1774                         template_directory, sizeof(template_directory)))
1775                 {
1776                         BLI_join_dirfile(
1777                                 splash_filepath, sizeof(splash_filepath), template_directory,
1778                                 (U.pixelsize == 2) ? "splash_2x.png" : "splash.png");
1779                         ibuf_template = IMB_loadiffname(splash_filepath, IB_rect, NULL);
1780                         if (ibuf_template) {
1781                                 const int x_expect = ibuf_template->x;
1782                                 const int y_expect = 230 * (int)U.pixelsize;
1783                                 /* don't cover the header text */
1784                                 if (ibuf_template->x == x_expect && ibuf_template->y == y_expect) {
1785                                         memcpy(ibuf->rect, ibuf_template->rect, ibuf_template->x * ibuf_template->y * sizeof(char[4]));
1786                                 }
1787                                 else {
1788                                         printf("Splash expected %dx%d found %dx%d, ignoring: %s\n",
1789                                                x_expect, y_expect, ibuf_template->x, ibuf_template->y, splash_filepath);
1790                                 }
1791                                 IMB_freeImBuf(ibuf_template);
1792                         }
1793                 }
1794         }
1795 #endif
1796
1797         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1798
1799         /* note on UI_BLOCK_NO_WIN_CLIP, the window size is not always synchronized
1800          * with the OS when the splash shows, window clipping in this case gives
1801          * ugly results and clipping the splash isn't useful anyway, just disable it [#32938] */
1802         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_NO_WIN_CLIP);
1803
1804         /* XXX splash scales with pixelsize, should become widget-units */
1805         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 */
1806         UI_but_func_set(but, wm_block_splash_close, block, NULL);
1807         UI_block_func_set(block, wm_block_splash_refreshmenu, block, NULL);
1808
1809         /* label for 'a' bugfix releases, or 'Release Candidate 1'...
1810          *  avoids recreating splash for version updates */
1811         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "rc")) {
1812                 version_suffix = "Release Candidate";
1813         }
1814         else if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1815                 version_suffix = STRINGIFY(BLENDER_VERSION_CHAR);
1816         }
1817         if (version_suffix != NULL && version_suffix[0]) {
1818                 /* placed after the version number in the image,
1819                  * placing y is tricky to match baseline */
1820                 int x = 260 - (2 * UI_DPI_WINDOW_FAC);
1821                 int y = 242 + (4 * UI_DPI_WINDOW_FAC);
1822                 int w = 240;
1823
1824                 /* hack to have text draw 'text_sel' */
1825                 UI_block_emboss_set(block, UI_EMBOSS_NONE);
1826                 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);
1827                 /* XXX, set internal flag - UI_SELECT */
1828                 UI_but_flag_enable(but, 1);
1829                 UI_block_emboss_set(block, UI_EMBOSS);
1830         }
1831
1832 #ifdef WITH_BUILDINFO
1833         if (build_commit_timestamp != 0) {
1834                 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);
1835                 label_delta = 12;
1836         }
1837         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);
1838
1839         if (!STREQ(build_branch, "master")) {
1840                 char branch_buf[128] = "\0";
1841                 int branch_width;
1842                 BLI_snprintf(branch_buf, sizeof(branch_buf), "Branch: %s", build_branch);
1843                 branch_width = (int)BLF_width(style->widgetlabel.uifont_id, branch_buf, sizeof(branch_buf)) + U.widget_unit;
1844                 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);
1845         }
1846 #endif  /* WITH_BUILDINFO */
1847         
1848         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 10, 2, U.pixelsize * 480, U.pixelsize * 110, 0, style);
1849         
1850         UI_block_emboss_set(block, UI_EMBOSS);
1851         /* show the splash menu (containing interaction presets), using python */
1852         if (mt) {
1853                 Menu menu = {NULL};
1854                 menu.layout = layout;
1855                 menu.type = mt;
1856                 mt->draw(C, &menu);
1857
1858 //              wmWindowManager *wm = CTX_wm_manager(C);
1859 //              uiItemM(layout, C, "USERPREF_MT_keyconfigs", U.keyconfigstr, ICON_NONE);
1860         }
1861         
1862         UI_block_emboss_set(block, UI_EMBOSS_PULLDOWN);
1863         uiLayoutSetOperatorContext(layout, WM_OP_EXEC_REGION_WIN);
1864         
1865         split = uiLayoutSplit(layout, 0.0f, false);
1866         col = uiLayoutColumn(split, false);
1867         uiItemL(col, IFACE_("Links"), ICON_NONE);
1868 #if 0
1869         uiItemStringO(col, IFACE_("Support an Open Animation Movie"), ICON_URL, "WM_OT_url_open", "url",
1870                       "https://cloud.blender.org/join");
1871 #endif
1872         uiItemStringO(col, IFACE_("Donations"), ICON_URL, "WM_OT_url_open", "url",
1873                       "http://www.blender.org/foundation/donation-payment/");
1874         uiItemStringO(col, IFACE_("Credits"), ICON_URL, "WM_OT_url_open", "url",
1875                       "http://www.blender.org/about/credits/");
1876         BLI_snprintf(url, sizeof(url), "http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/%d.%d",
1877                      BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1878         uiItemStringO(col, IFACE_("Release Log"), ICON_URL, "WM_OT_url_open", "url", url);
1879         uiItemStringO(col, IFACE_("Manual"), ICON_URL, "WM_OT_url_open", "url",
1880                       "https://docs.blender.org/manual/en/dev/");
1881         uiItemStringO(col, IFACE_("Blender Website"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org");
1882         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1883                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d"
1884                                                STRINGIFY(BLENDER_VERSION_CHAR) "_release",
1885                              BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1886         }
1887         else {
1888                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d_%d",
1889                              BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION);
1890         }
1891         uiItemStringO(col, IFACE_("Python API Reference"), ICON_URL, "WM_OT_url_open", "url", url);
1892         uiItemL(col, "", ICON_NONE);
1893
1894         col = uiLayoutColumn(split, false);
1895
1896         if (wm_resource_check_prev()) {
1897                 uiItemO(col, NULL, ICON_NEW, "WM_OT_copy_prev_settings");
1898                 uiItemS(col);
1899         }
1900
1901         uiItemL(col, IFACE_("Recent"), ICON_NONE);
1902         for (recent = G.recent_files.first, i = 0; (i < 5) && (recent); recent = recent->next, i++) {
1903                 const char *filename = BLI_path_basename(recent->filepath);
1904                 uiItemStringO(col, filename,
1905                               BLO_has_bfile_extension(filename) ? ICON_FILE_BLEND : ICON_FILE_BACKUP,
1906                               "WM_OT_open_mainfile", "filepath", recent->filepath);
1907         }
1908
1909         uiItemS(col);
1910         uiItemO(col, NULL, ICON_RECOVER_LAST, "WM_OT_recover_last_session");
1911         uiItemL(col, "", ICON_NONE);
1912         
1913         mt = WM_menutype_find("USERPREF_MT_splash_footer", false);
1914         if (mt) {
1915                 Menu menu = {NULL};
1916                 menu.layout = uiLayoutColumn(layout, false);
1917                 menu.type = mt;
1918                 mt->draw(C, &menu);
1919         }
1920
1921         UI_block_bounds_set_centered(block, 0);
1922         
1923         return block;
1924 }
1925
1926 static int wm_splash_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1927 {
1928         UI_popup_block_invoke(C, wm_block_create_splash, NULL);
1929         
1930         return OPERATOR_FINISHED;
1931 }
1932
1933 static void WM_OT_splash(wmOperatorType *ot)
1934 {
1935         ot->name = "Splash Screen";
1936         ot->idname = "WM_OT_splash";
1937         ot->description = "Open the splash screen with release info";
1938         
1939         ot->invoke = wm_splash_invoke;
1940         ot->poll = WM_operator_winactive;
1941 }
1942
1943
1944 /* ***************** Search menu ************************* */
1945
1946 struct SearchPopupInit_Data {
1947         int size[2];
1948 };
1949
1950 static uiBlock *wm_block_search_menu(bContext *C, ARegion *ar, void *userdata)
1951 {
1952         const struct SearchPopupInit_Data *init_data = userdata;
1953         static char search[256] = "";
1954         wmEvent event;
1955         wmWindow *win = CTX_wm_window(C);
1956         uiBlock *block;
1957         uiBut *but;
1958         
1959         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1960         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1961         
1962         but = uiDefSearchBut(block, search, 0, ICON_VIEWZOOM, sizeof(search), 10, 10, init_data->size[0], UI_UNIT_Y, 0, 0, "");
1963         UI_but_func_operator_search(but);
1964         
1965         /* fake button, it holds space for search items */
1966         uiDefBut(block, UI_BTYPE_LABEL, 0, "", 10, 10 - init_data->size[1],
1967                  init_data->size[0], init_data->size[1], NULL, 0, 0, 0, 0, NULL);
1968         
1969         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1970         
1971         wm_event_init_from_window(win, &event);
1972         event.type = EVT_BUT_OPEN;
1973         event.val = KM_PRESS;
1974         event.customdata = but;
1975         event.customdatafree = false;
1976         wm_event_add(win, &event);
1977         
1978         return block;
1979 }
1980
1981 static int wm_search_menu_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
1982 {
1983         return OPERATOR_FINISHED;
1984 }
1985
1986 static int wm_search_menu_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1987 {
1988         struct SearchPopupInit_Data data = {
1989                 .size = {
1990                     UI_searchbox_size_x() * 2,
1991                     UI_searchbox_size_y(),
1992                 },
1993         };
1994
1995         UI_popup_block_invoke(C, wm_block_search_menu, &data);
1996         
1997         return OPERATOR_INTERFACE;
1998 }
1999
2000 /* op->poll */
2001 static int wm_search_menu_poll(bContext *C)
2002 {
2003         if (CTX_wm_window(C) == NULL) {
2004                 return 0;
2005         }
2006         else {
2007                 ScrArea *sa = CTX_wm_area(C);
2008                 if (sa) {
2009                         if (sa->spacetype == SPACE_CONSOLE) return 0;  /* XXX - so we can use the shortcut in the console */
2010                         if (sa->spacetype == SPACE_TEXT) return 0;     /* XXX - so we can use the spacebar in the text editor */
2011                 }
2012                 else {
2013                         Object *editob = CTX_data_edit_object(C);
2014                         if (editob && editob->type == OB_FONT) return 0;  /* XXX - so we can use the spacebar for entering text */
2015                 }
2016         }
2017         return 1;
2018 }
2019
2020 static void WM_OT_search_menu(wmOperatorType *ot)
2021 {
2022         ot->name = "Search Menu";
2023         ot->idname = "WM_OT_search_menu";
2024         ot->description = "Pop-up a search menu over all available operators in current context";
2025         
2026         ot->invoke = wm_search_menu_invoke;
2027         ot->exec = wm_search_menu_exec;
2028         ot->poll = wm_search_menu_poll;
2029 }
2030
2031 static int wm_call_menu_exec(bContext *C, wmOperator *op)
2032 {
2033         char idname[BKE_ST_MAXNAME];
2034         RNA_string_get(op->ptr, "name", idname);
2035
2036         return UI_popup_menu_invoke(C, idname, op->reports);
2037 }
2038
2039 static void WM_OT_call_menu(wmOperatorType *ot)
2040 {
2041         ot->name = "Call Menu";
2042         ot->idname = "WM_OT_call_menu";
2043         ot->description = "Call (draw) a pre-defined menu";
2044
2045         ot->exec = wm_call_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 menu");
2051 }
2052
2053 static int wm_call_pie_menu_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2054 {
2055         char idname[BKE_ST_MAXNAME];
2056         RNA_string_get(op->ptr, "name", idname);
2057
2058         return UI_pie_menu_invoke(C, idname, event);
2059 }
2060
2061 static int wm_call_pie_menu_exec(bContext *C, wmOperator *op)
2062 {
2063         char idname[BKE_ST_MAXNAME];
2064         RNA_string_get(op->ptr, "name", idname);
2065
2066         return UI_pie_menu_invoke(C, idname, CTX_wm_window(C)->eventstate);
2067 }
2068
2069 static void WM_OT_call_menu_pie(wmOperatorType *ot)
2070 {
2071         ot->name = "Call Pie Menu";
2072         ot->idname = "WM_OT_call_menu_pie";
2073         ot->description = "Call (draw) a pre-defined pie menu";
2074
2075         ot->invoke = wm_call_pie_menu_invoke;
2076         ot->exec = wm_call_pie_menu_exec;
2077         ot->poll = WM_operator_winactive;
2078
2079         ot->flag = OPTYPE_INTERNAL;
2080
2081         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the pie menu");
2082 }
2083
2084 /* ************ window / screen operator definitions ************** */
2085
2086 /* this poll functions is needed in place of WM_operator_winactive
2087  * while it crashes on full screen */
2088 static int wm_operator_winactive_normal(bContext *C)
2089 {
2090         wmWindow *win = CTX_wm_window(C);
2091
2092         if (win == NULL || win->screen == NULL || win->screen->state != SCREENNORMAL)
2093                 return 0;
2094
2095         return 1;
2096 }
2097
2098 /* included for script-access */
2099 static void WM_OT_window_close(wmOperatorType *ot)
2100 {
2101         ot->name = "Close Window";
2102         ot->idname = "WM_OT_window_close";
2103         ot->description = "Close the current Blender window";
2104
2105         ot->exec = wm_window_close_exec;
2106         ot->poll = WM_operator_winactive;
2107 }
2108
2109 static void WM_OT_window_duplicate(wmOperatorType *ot)
2110 {
2111         ot->name = "Duplicate Window";
2112         ot->idname = "WM_OT_window_duplicate";
2113         ot->description = "Duplicate the current Blender window";
2114                 
2115         ot->exec = wm_window_duplicate_exec;
2116         ot->poll = wm_operator_winactive_normal;
2117 }
2118
2119 static void WM_OT_window_fullscreen_toggle(wmOperatorType *ot)
2120 {
2121         ot->name = "Toggle Window Fullscreen";
2122         ot->idname = "WM_OT_window_fullscreen_toggle";
2123         ot->description = "Toggle the current window fullscreen";
2124
2125         ot->exec = wm_window_fullscreen_toggle_exec;
2126         ot->poll = WM_operator_winactive;
2127 }
2128
2129 static int wm_exit_blender_exec(bContext *C, wmOperator *op)
2130 {
2131         WM_operator_free(op);
2132         
2133         WM_exit(C);
2134         
2135         return OPERATOR_FINISHED;
2136 }
2137
2138 static void WM_OT_quit_blender(wmOperatorType *ot)
2139 {
2140         ot->name = "Quit Blender";
2141         ot->idname = "WM_OT_quit_blender";
2142         ot->description = "Quit Blender";
2143
2144         ot->invoke = WM_operator_confirm;
2145         ot->exec = wm_exit_blender_exec;
2146 }
2147
2148 /* *********************** */
2149
2150 #if defined(WIN32)
2151
2152 static int wm_console_toggle_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
2153 {
2154         GHOST_toggleConsole(2);
2155         return OPERATOR_FINISHED;
2156 }
2157
2158 static void WM_OT_console_toggle(wmOperatorType *ot)
2159 {
2160         /* XXX Have to mark these for xgettext, as under linux they do not exists... */
2161         ot->name = CTX_N_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Toggle System Console");
2162         ot->idname = "WM_OT_console_toggle";
2163         ot->description = N_("Toggle System Console");
2164         
2165         ot->exec = wm_console_toggle_exec;
2166         ot->poll = WM_operator_winactive;
2167 }
2168
2169 #endif
2170
2171 /* ************ default paint cursors, draw always around cursor *********** */
2172 /*
2173  * - returns handler to free
2174  * - poll(bContext): returns 1 if draw should happen
2175  * - draw(bContext): drawing callback for paint cursor
2176  */
2177
2178 void *WM_paint_cursor_activate(wmWindowManager *wm, int (*poll)(bContext *C),
2179                                wmPaintCursorDraw draw, void *customdata)
2180 {
2181         wmPaintCursor *pc = MEM_callocN(sizeof(wmPaintCursor), "paint cursor");
2182         
2183         BLI_addtail(&wm->paintcursors, pc);
2184         
2185         pc->customdata = customdata;
2186         pc->poll = poll;
2187         pc->draw = draw;
2188         
2189         return pc;
2190 }
2191
2192 void WM_paint_cursor_end(wmWindowManager *wm, void *handle)
2193 {
2194         wmPaintCursor *pc;
2195         
2196         for (pc = wm->paintcursors.first; pc; pc = pc->next) {
2197                 if (pc == (wmPaintCursor *)handle) {
2198                         BLI_remlink(&wm->paintcursors, pc);
2199                         MEM_freeN(pc);
2200                         return;
2201                 }
2202         }
2203 }
2204
2205 /* ************ window gesture operator-callback definitions ************** */
2206 /*
2207  * These are default callbacks for use in operators requiring gesture input
2208  */
2209
2210 /* **************** Border gesture *************** */
2211
2212 /**
2213  * Border gesture has two types:
2214  * -# #WM_GESTURE_CROSS_RECT: starts a cross, on mouse click it changes to border.
2215  * -# #WM_GESTURE_RECT: starts immediate as a border, on mouse click or release it ends.
2216  *
2217  * It stores 4 values (xmin, xmax, ymin, ymax) and event it ended with (event_type)
2218  */
2219
2220 static int border_apply_rect(wmOperator *op)
2221 {
2222         wmGesture *gesture = op->customdata;
2223         rcti *rect = gesture->customdata;
2224         
2225         if (rect->xmin == rect->xmax || rect->ymin == rect->ymax)
2226                 return 0;
2227
2228         
2229         /* operator arguments and storage. */
2230         RNA_int_set(op->ptr, "xmin", min_ii(rect->xmin, rect->xmax));
2231         RNA_int_set(op->ptr, "ymin", min_ii(rect->ymin, rect->ymax));
2232         RNA_int_set(op->ptr, "xmax", max_ii(rect->xmin, rect->xmax));
2233         RNA_int_set(op->ptr, "ymax", max_ii(rect->ymin, rect->ymax));
2234
2235         return 1;
2236 }
2237
2238 static int border_apply(bContext *C, wmOperator *op, int gesture_mode)
2239 {
2240         PropertyRNA *prop;
2241
2242         int retval;
2243
2244         if (!border_apply_rect(op))
2245                 return 0;
2246         
2247         /* XXX weak; border should be configured for this without reading event types */
2248         if ((prop = RNA_struct_find_property(op->ptr, "gesture_mode"))) {
2249                 RNA_property_int_set(op->ptr, prop, gesture_mode);
2250         }
2251
2252         retval = op->type->exec(C, op);
2253         OPERATOR_RETVAL_CHECK(retval);
2254
2255         return 1;
2256 }
2257
2258 static void wm_gesture_end(bContext *C, wmOperator *op)
2259 {
2260         wmGesture *gesture = op->customdata;
2261         
2262         WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2263         op->customdata = NULL;
2264
2265         ED_area_tag_redraw(CTX_wm_area(C));
2266         
2267         if (RNA_struct_find_property(op->ptr, "cursor")) {
2268                 WM_cursor_modal_restore(CTX_wm_window(C));
2269         }
2270 }
2271
2272 int WM_border_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2273 {
2274         if (ISTWEAK(event->type))
2275                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_RECT);
2276         else
2277                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_CROSS_RECT);
2278
2279         /* add modal handler */
2280         WM_event_add_modal_handler(C, op);
2281         
2282         wm_gesture_tag_redraw(C);
2283
2284         return OPERATOR_RUNNING_MODAL;
2285 }
2286
2287 int WM_border_select_modal(bContext *C, wmOperator *op, const wmEvent *event)
2288 {
2289         wmGesture *gesture = op->customdata;
2290         rcti *rect = gesture->customdata;
2291         int sx, sy;
2292         
2293         if (event->type == MOUSEMOVE) {
2294                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2295
2296                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2297                         rect->xmin = rect->xmax = event->x - sx;
2298                         rect->ymin = rect->ymax = event->y - sy;
2299                 }
2300                 else {
2301                         rect->xmax = event->x - sx;
2302                         rect->ymax = event->y - sy;
2303                 }
2304                 border_apply_rect(op);
2305
2306                 wm_gesture_tag_redraw(C);
2307         }
2308         else if (event->type == EVT_MODAL_MAP) {
2309                 switch (event->val) {
2310                         case GESTURE_MODAL_BEGIN:
2311                                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2312                                         gesture->mode = 1;
2313                                         wm_gesture_tag_redraw(C);
2314                                 }
2315                                 break;
2316                         case GESTURE_MODAL_SELECT:
2317                         case GESTURE_MODAL_DESELECT:
2318                         case GESTURE_MODAL_IN:
2319                         case GESTURE_MODAL_OUT:
2320                                 if (border_apply(C, op, event->val)) {
2321                                         wm_gesture_end(C, op);
2322                                         return OPERATOR_FINISHED;
2323                                 }
2324                                 wm_gesture_end(C, op);
2325                                 return OPERATOR_CANCELLED;
2326
2327                         case GESTURE_MODAL_CANCEL:
2328                                 wm_gesture_end(C, op);
2329                                 return OPERATOR_CANCELLED;
2330                 }
2331
2332         }
2333 #ifdef WITH_INPUT_NDOF
2334         else if (event->type == NDOF_MOTION) {
2335                 return OPERATOR_PASS_THROUGH;
2336         }
2337 #endif
2338 //      /* Allow view navigation??? */
2339 //      else {
2340 //              return OPERATOR_PASS_THROUGH;
2341 //      }
2342
2343         return OPERATOR_RUNNING_MODAL;
2344 }
2345
2346 void WM_border_select_cancel(bContext *C, wmOperator *op)
2347 {
2348         wm_gesture_end(C, op);
2349 }
2350
2351 /* **************** circle gesture *************** */
2352 /* works now only for selection or modal paint stuff, calls exec while hold mouse, exit on release */
2353
2354 #ifdef GESTURE_MEMORY
2355 int circle_select_size = 25; /* XXX - need some operator memory thing! */
2356 #endif
2357
2358 int WM_gesture_circle_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2359 {
2360         op->customdata = WM_gesture_new(C, event, WM_GESTURE_CIRCLE);
2361         
2362         /* add modal handler */
2363         WM_event_add_modal_handler(C, op);
2364         
2365         wm_gesture_tag_redraw(C);
2366         
2367         return OPERATOR_RUNNING_MODAL;
2368 }
2369
2370 static void gesture_circle_apply(bContext *C, wmOperator *op)
2371 {
2372         wmGesture *gesture = op->customdata;
2373         rcti *rect = gesture->customdata;
2374         
2375         if (RNA_int_get(op->ptr, "gesture_mode") == GESTURE_MODAL_NOP)
2376                 return;
2377
2378         /* operator arguments and storage. */
2379         RNA_int_set(op->ptr, "x", rect->xmin);
2380         RNA_int_set(op->ptr, "y", rect->ymin);
2381         RNA_int_set(op->ptr, "radius", rect->xmax);
2382         
2383         if (op->type->exec) {
2384                 int retval;
2385                 retval = op->type->exec(C, op);
2386                 OPERATOR_RETVAL_CHECK(retval);
2387         }
2388 #ifdef GESTURE_MEMORY
2389         circle_select_size = rect->xmax;
2390 #endif
2391 }
2392
2393 int WM_gesture_circle_modal(bContext *C, wmOperator *op, const wmEvent *event)
2394 {
2395         wmGesture *gesture = op->customdata;
2396         rcti *rect = gesture->customdata;
2397         int sx, sy;
2398
2399         if (event->type == MOUSEMOVE) {
2400                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2401
2402                 rect->xmin = event->x - sx;
2403                 rect->ymin = event->y - sy;
2404
2405                 wm_gesture_tag_redraw(C);
2406
2407                 if (gesture->mode)
2408                         gesture_circle_apply(C, op);
2409         }
2410         else if (event->type == EVT_MODAL_MAP) {
2411                 float fac;
2412                 
2413                 switch (event->val) {
2414                         case GESTURE_MODAL_CIRCLE_SIZE:
2415                                 fac = 0.3f * (event->y - event->prevy);
2416                                 if (fac > 0)
2417                                         rect->xmax += ceil(fac);
2418                                 else
2419                                         rect->xmax += floor(fac);
2420                                 if (rect->xmax < 1) rect->xmax = 1;
2421                                 wm_gesture_tag_redraw(C);
2422                                 break;
2423                         case GESTURE_MODAL_CIRCLE_ADD:
2424                                 rect->xmax += 2 + rect->xmax / 10;
2425                                 wm_gesture_tag_redraw(C);
2426                                 break;
2427                         case GESTURE_MODAL_CIRCLE_SUB:
2428                                 rect->xmax -= 2 + rect->xmax / 10;
2429                                 if (rect->xmax < 1) rect->xmax = 1;
2430                                 wm_gesture_tag_redraw(C);
2431                                 break;
2432                         case GESTURE_MODAL_SELECT:
2433                         case GESTURE_MODAL_DESELECT:
2434                         case GESTURE_MODAL_NOP:
2435                                 if (RNA_struct_find_property(op->ptr, "gesture_mode"))
2436                                         RNA_int_set(op->ptr, "gesture_mode", event->val);
2437
2438                                 if (event->val != GESTURE_MODAL_NOP) {
2439                                         /* apply first click */
2440                                         gesture_circle_apply(C, op);
2441                                         gesture->mode = 1;
2442                                         wm_gesture_tag_redraw(C);
2443                                 }
2444                                 break;
2445
2446                         case GESTURE_MODAL_CANCEL:
2447                         case GESTURE_MODAL_CONFIRM:
2448                                 wm_gesture_end(C, op);
2449                                 return OPERATOR_FINISHED; /* use finish or we don't get an undo */
2450                 }
2451         }
2452 #ifdef WITH_INPUT_NDOF
2453         else if (event->type == NDOF_MOTION) {
2454                 return OPERATOR_PASS_THROUGH;
2455         }
2456 #endif
2457         /* Allow view navigation??? */
2458         /* note, this gives issues: 1) other modal ops run on top (border select), 2) middlemouse is used now 3) tablet/trackpad? */
2459 //      else {
2460 //              return OPERATOR_PASS_THROUGH;
2461 //      }
2462
2463         return OPERATOR_RUNNING_MODAL;
2464 }
2465
2466 void WM_gesture_circle_cancel(bContext *C, wmOperator *op)
2467 {
2468         wm_gesture_end(C, op);
2469 }
2470
2471 #if 0
2472 /* template to copy from */
2473 void WM_OT_circle_gesture(wmOperatorType *ot)
2474 {
2475         ot->name = "Circle Gesture";
2476         ot->idname = "WM_OT_circle_gesture";
2477         ot->description = "Enter rotate mode with a circular gesture";
2478         
2479         ot->invoke = WM_gesture_circle_invoke;
2480         ot->modal = WM_gesture_circle_modal;
2481         
2482         ot->poll = WM_operator_winactive;
2483         
2484         RNA_def_property(ot->srna, "x", PROP_INT, PROP_NONE);
2485         RNA_def_property(ot->srna, "y", PROP_INT, PROP_NONE);
2486         RNA_def_property(ot->srna, "radius", PROP_INT, PROP_NONE);
2487
2488 }
2489 #endif
2490
2491 /* **************** Tweak gesture *************** */
2492
2493 static void tweak_gesture_modal(bContext *C, const wmEvent *event)
2494 {
2495         wmWindow *window = CTX_wm_window(C);
2496         wmGesture *gesture = window->tweak;
2497         rcti *rect = gesture->customdata;
2498         int sx, sy, val;
2499         
2500         switch (event->type) {
2501                 case MOUSEMOVE:
2502                 case INBETWEEN_MOUSEMOVE:
2503                         
2504                         wm_subwindow_origin_get(window, gesture->swinid, &sx, &sy);
2505                         
2506                         rect->xmax = event->x - sx;
2507                         rect->ymax = event->y - sy;
2508                         
2509                         if ((val = wm_gesture_evaluate(gesture))) {
2510                                 wmEvent tevent;
2511
2512                                 wm_event_init_from_window(window, &tevent);
2513                                 /* We want to get coord from start of drag, not from point where it becomes a tweak event, see T40549 */
2514                                 tevent.x = rect->xmin + sx;
2515                                 tevent.y = rect->ymin + sy;
2516                                 if (gesture->event_type == LEFTMOUSE)
2517                                         tevent.type = EVT_TWEAK_L;
2518                                 else if (gesture->event_type == RIGHTMOUSE)
2519                                         tevent.type = EVT_TWEAK_R;
2520                                 else
2521                                         tevent.type = EVT_TWEAK_M;
2522                                 tevent.val = val;
2523                                 /* mouse coords! */
2524
2525                                 /* important we add immediately after this event, so future mouse releases
2526                                  * (which may be in the queue already), are handled in order, see T44740 */
2527                                 wm_event_add_ex(window, &tevent, event);
2528                                 
2529                                 WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2530                         }
2531                         
2532                         break;
2533                         
2534                 case LEFTMOUSE:
2535                 case RIGHTMOUSE:
2536                 case MIDDLEMOUSE:
2537                         if (gesture->event_type == event->type) {
2538                                 WM_gesture_end(C, gesture);
2539
2540                                 /* when tweak fails we should give the other keymap entries a chance */
2541
2542                                 /* XXX, assigning to readonly, BAD JUJU! */
2543                                 ((wmEvent *)event)->val = KM_RELEASE;
2544                         }
2545                         break;
2546                 default:
2547                         if (!ISTIMER(event->type) && event->type != EVENT_NONE) {
2548                                 WM_gesture_end(C, gesture);
2549                         }
2550                         break;
2551         }
2552 }
2553
2554 /* standard tweak, called after window handlers passed on event */
2555 void wm_tweakevent_test(bContext *C, wmEvent *event, int action)
2556 {
2557         wmWindow *win = CTX_wm_window(C);
2558         
2559         if (win->tweak == NULL) {
2560                 if (CTX_wm_region(C)) {
2561                         if (event->val == KM_PRESS) {
2562                                 if (ELEM(event->type, LEFTMOUSE, MIDDLEMOUSE, RIGHTMOUSE)) {
2563                                         win->tweak = WM_gesture_new(C, event, WM_GESTURE_TWEAK);
2564                                 }
2565                         }
2566                 }
2567         }
2568         else {
2569                 /* no tweaks if event was handled */
2570                 if ((action & WM_HANDLER_BREAK)) {
2571                         WM_gesture_end(C, win->tweak);
2572                 }
2573                 else
2574                         tweak_gesture_modal(C, event);
2575         }
2576 }
2577
2578 /* *********************** lasso gesture ****************** */
2579
2580 int WM_gesture_lasso_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2581 {
2582         PropertyRNA *prop;
2583
2584         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LASSO);
2585         
2586         /* add modal handler */
2587         WM_event_add_modal_handler(C, op);
2588         
2589         wm_gesture_tag_redraw(C);
2590         
2591         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2592                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2593         }
2594         
2595         return OPERATOR_RUNNING_MODAL;
2596 }
2597
2598 int WM_gesture_lines_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2599 {
2600         PropertyRNA *prop;
2601
2602         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LINES);
2603         
2604         /* add modal handler */
2605         WM_event_add_modal_handler(C, op);
2606         
2607         wm_gesture_tag_redraw(C);
2608         
2609         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2610                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2611         }
2612         
2613         return OPERATOR_RUNNING_MODAL;
2614 }
2615
2616
2617 static void gesture_lasso_apply(bContext *C, wmOperator *op)
2618 {
2619         wmGesture *gesture = op->customdata;
2620         PointerRNA itemptr;
2621         float loc[2];
2622         int i;
2623         const short *lasso = gesture->customdata;
2624         
2625         /* operator storage as path. */
2626
2627         RNA_collection_clear(op->ptr, "path");
2628         for (i = 0; i < gesture->points; i++, lasso += 2) {
2629                 loc[0] = lasso[0];
2630                 loc[1] = lasso[1];
2631                 RNA_collection_add(op->ptr, "path", &itemptr);
2632                 RNA_float_set_array(&itemptr, "loc", loc);
2633         }
2634         
2635         wm_gesture_end(C, op);
2636                 
2637         if (op->type->exec) {
2638                 int retval = op->type->exec(C, op);
2639                 OPERATOR_RETVAL_CHECK(retval);
2640         }
2641 }
2642
2643 int WM_gesture_lasso_modal(bContext *C, wmOperator *op, const wmEvent *event)
2644 {
2645         wmGesture *gesture = op->customdata;
2646         int sx, sy;
2647         
2648         switch (event->type) {
2649                 case MOUSEMOVE:
2650                 case INBETWEEN_MOUSEMOVE:
2651                         
2652                         wm_gesture_tag_redraw(C);
2653                         
2654                         wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2655
2656                         if (gesture->points == gesture->size) {
2657                                 short *old_lasso = gesture->customdata;
2658                                 gesture->customdata = MEM_callocN(2 * sizeof(short) * (gesture->size + WM_LASSO_MIN_POINTS), "lasso points");
2659                                 memcpy(gesture->customdata, old_lasso, 2 * sizeof(short) * gesture->size);
2660                                 gesture->size = gesture->size + WM_LASSO_MIN_POINTS;
2661                                 MEM_freeN(old_lasso);
2662                                 // printf("realloc\n");
2663                         }
2664
2665                         {
2666                                 int x, y;
2667                                 short *lasso = gesture->customdata;
2668                                 
2669                                 lasso += (2 * gesture->points - 2);
2670                                 x = (event->x - sx - lasso[0]);
2671                                 y = (event->y - sy - lasso[1]);
2672                                 
2673                                 /* make a simple distance check to get a smoother lasso
2674                                  * add only when at least 2 pixels between this and previous location */
2675                                 if ((x * x + y * y) > 4) {
2676                                         lasso += 2;
2677                                         lasso[0] = event->x - sx;
2678                                         lasso[1] = event->y - sy;
2679                                         gesture->points++;
2680                                 }
2681                         }
2682                         break;
2683                         
2684                 case LEFTMOUSE:
2685                 case MIDDLEMOUSE:
2686                 case RIGHTMOUSE:
2687                         if (event->val == KM_RELEASE) {   /* key release */
2688                                 gesture_lasso_apply(C, op);
2689                                 return OPERATOR_FINISHED;
2690                         }
2691                         break;
2692                 case ESCKEY:
2693                         wm_gesture_end(C, op);
2694                         return OPERATOR_CANCELLED;
2695         }
2696         return OPERATOR_RUNNING_MODAL;
2697 }
2698
2699 int WM_gesture_lines_modal(bContext *C, wmOperator *op, const wmEvent *event)
2700 {
2701         return WM_gesture_lasso_modal(C, op, event);
2702 }
2703
2704 void WM_gesture_lasso_cancel(bContext *C, wmOperator *op)
2705 {
2706         wm_gesture_end(C, op);
2707 }
2708
2709 void WM_gesture_lines_cancel(bContext *C, wmOperator *op)
2710 {
2711         wm_gesture_end(C, op);
2712 }
2713
2714 /**
2715  * helper function, we may want to add options for conversion to view space
2716  *
2717  * caller must free.
2718  */
2719 const int (*WM_gesture_lasso_path_to_array(bContext *UNUSED(C), wmOperator *op, int *mcords_tot))[2]
2720 {
2721         PropertyRNA *prop = RNA_struct_find_property(op->ptr, "path");
2722         int (*mcords)[2] = NULL;
2723         BLI_assert(prop != NULL);
2724
2725         if (prop) {
2726                 const int len = RNA_property_collection_length(op->ptr, prop);
2727
2728                 if (len) {
2729                         int i = 0;
2730                         mcords = MEM_mallocN(sizeof(int) * 2 * len, __func__);
2731
2732                         RNA_PROP_BEGIN (op->ptr, itemptr, prop)
2733                         {
2734                                 float loc[2];
2735
2736                                 RNA_float_get_array(&itemptr, "loc", loc);
2737                                 mcords[i][0] = (int)loc[0];
2738                                 mcords[i][1] = (int)loc[1];
2739                                 i++;
2740                         }
2741                         RNA_PROP_END;
2742                 }
2743                 *mcords_tot = len;
2744         }
2745         else {
2746                 *mcords_tot = 0;
2747         }
2748
2749         /* cast for 'const' */
2750         return (const int (*)[2])mcords;
2751 }
2752
2753 #if 0
2754 /* template to copy from */
2755
2756 static int gesture_lasso_exec(bContext *C, wmOperator *op)
2757 {
2758         RNA_BEGIN (op->ptr, itemptr, "path")
2759         {
2760                 float loc[2];
2761                 
2762                 RNA_float_get_array(&itemptr, "loc", loc);
2763                 printf("Location: %f %f\n", loc[0], loc[1]);
2764         }
2765         RNA_END;
2766         
2767         return OPERATOR_FINISHED;
2768 }
2769
2770 void WM_OT_lasso_gesture(wmOperatorType *ot)
2771 {
2772         PropertyRNA *prop;
2773         
2774         ot->name = "Lasso Gesture";
2775         ot->idname = "WM_OT_lasso_gesture";
2776         ot->description = "Select objects within the lasso as you move the pointer";
2777         
2778         ot->invoke = WM_gesture_lasso_invoke;
2779         ot->modal = WM_gesture_lasso_modal;
2780         ot->exec = gesture_lasso_exec;
2781         
2782         ot->poll = WM_operator_winactive;
2783         
2784         prop = RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
2785         RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
2786 }
2787 #endif
2788
2789 /* *********************** straight line gesture ****************** */
2790
2791 static int straightline_apply(bContext *C, wmOperator *op)
2792 {
2793         wmGesture *gesture = op->customdata;
2794         rcti *rect = gesture->customdata;
2795         
2796         if (rect->xmin == rect->xmax && rect->ymin == rect->ymax)
2797                 return 0;
2798         
2799         /* operator arguments and storage. */
2800         RNA_int_set(op->ptr, "xstart", rect->xmin);
2801         RNA_int_set(op->ptr, "ystart", rect->ymin);
2802         RNA_int_set(op->ptr, "xend", rect->xmax);
2803         RNA_int_set(op->ptr, "yend", rect->ymax);
2804
2805         if (op->type->exec) {
2806                 int retval = op->type->exec(C, op);
2807                 OPERATOR_RETVAL_CHECK(retval);
2808         }
2809         
2810         return 1;
2811 }
2812
2813
2814 int WM_gesture_straightline_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2815 {
2816         PropertyRNA *prop;
2817
2818         op->customdata = WM_gesture_new(C, event, WM_GESTURE_STRAIGHTLINE);
2819         
2820         /* add modal handler */
2821         WM_event_add_modal_handler(C, op);
2822         
2823         wm_gesture_tag_redraw(C);
2824         
2825         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2826                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2827         }
2828                 
2829         return OPERATOR_RUNNING_MODAL;
2830 }
2831
2832 int WM_gesture_straightline_modal(bContext *C, wmOperator *op, const wmEvent *event)
2833 {
2834         wmGesture *gesture = op->customdata;
2835         rcti *rect = gesture->customdata;
2836         int sx, sy;
2837         
2838         if (event->type == MOUSEMOVE) {
2839                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2840                 
2841                 if (gesture->mode == 0) {
2842                         rect->xmin = rect->xmax = event->x - sx;
2843                         rect->ymin = rect->ymax = event->y - sy;
2844                 }
2845                 else {
2846                         rect->xmax = event->x - sx;
2847                         rect->ymax = event->y - sy;
2848                         straightline_apply(C, op);
2849                 }
2850                 
2851                 wm_gesture_tag_redraw(C);
2852         }
2853         else if (event->type == EVT_MODAL_MAP) {
2854                 switch (event->val) {
2855                         case GESTURE_MODAL_BEGIN:
2856                                 if (gesture->mode == 0) {
2857                                         gesture->mode = 1;
2858                                         wm_gesture_tag_redraw(C);
2859                                 }
2860                                 break;
2861                         case GESTURE_MODAL_SELECT:
2862                                 if (straightline_apply(C, op)) {
2863                                         wm_gesture_end(C, op);
2864                                         return OPERATOR_FINISHED;
2865                                 }
2866                                 wm_gesture_end(C, op);
2867                                 return OPERATOR_CANCELLED;
2868                                 
2869                         case GESTURE_MODAL_CANCEL:
2870                                 wm_gesture_end(C, op);
2871                                 return OPERATOR_CANCELLED;
2872                 }
2873                 
2874         }
2875
2876         return OPERATOR_RUNNING_MODAL;
2877 }
2878
2879 void WM_gesture_straightline_cancel(bContext *C, wmOperator *op)
2880 {
2881         wm_gesture_end(C, op);
2882 }
2883
2884 #if 0
2885 /* template to copy from */
2886 void WM_OT_straightline_gesture(wmOperatorType *ot)
2887 {
2888         PropertyRNA *prop;
2889         
2890         ot->name = "Straight Line Gesture";
2891         ot->idname = "WM_OT_straightline_gesture";
2892         ot->description = "Draw a straight line as you move the pointer";
2893         
2894         ot->invoke = WM_gesture_straightline_invoke;
2895         ot->modal = WM_gesture_straightline_modal;
2896         ot->exec = gesture_straightline_exec;
2897         
2898         ot->poll = WM_operator_winactive;
2899         
2900         WM_operator_properties_gesture_straightline(ot, 0);
2901 }
2902 #endif
2903
2904 /* *********************** radial control ****************** */
2905
2906 #define WM_RADIAL_CONTROL_DISPLAY_SIZE (200 * UI_DPI_FAC)
2907 #define WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE (35 * UI_DPI_FAC)
2908 #define WM_RADIAL_CONTROL_DISPLAY_WIDTH (WM_RADIAL_CONTROL_DISPLAY_SIZE - WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE)
2909 #define WM_RADIAL_MAX_STR 10
2910
2911 typedef struct {
2912         PropertyType type;
2913         PropertySubType subtype;
2914         PointerRNA ptr, col_ptr, fill_col_ptr, rot_ptr, zoom_ptr, image_id_ptr;
2915         PointerRNA fill_col_override_ptr, fill_col_override_test_ptr;
2916         PropertyRNA *prop, *col_prop, *fill_col_prop, *rot_prop, *zoom_prop;
2917         PropertyRNA *fill_col_override_prop, *fill_col_override_test_prop;
2918         StructRNA *image_id_srna;
2919         float initial_value, current_value, min_value, max_value;
2920         int initial_mouse[2];
2921         int slow_mouse[2];
2922         bool slow_mode;
2923         Dial *dial;
2924         unsigned int gltex;
2925         ListBase orig_paintcursors;
2926         bool use_secondary_tex;
2927         void *cursor;
2928         NumInput num_input;
2929 } RadialControl;
2930
2931 static void radial_control_update_header(wmOperator *op, bContext *C)
2932 {
2933         RadialControl *rc = op->customdata;
2934         char msg[UI_MAX_DRAW_STR];
2935         ScrArea *sa = CTX_wm_area(C);
2936         Scene *scene = CTX_data_scene(C);
2937         
2938         if (sa) {
2939                 if (hasNumInput(&rc->num_input)) {
2940                         char num_str[NUM_STR_REP_LEN];
2941                         outputNumInput(&rc->num_input, num_str, &scene->unit);
2942                         BLI_snprintf(msg, sizeof(msg), "%s: %s", RNA_property_ui_name(rc->prop), num_str);
2943                 }
2944                 else {
2945                         const char *ui_name = RNA_property_ui_name(rc->prop);
2946                         switch (rc->subtype) {
2947                                 case PROP_NONE:
2948                                 case PROP_DISTANCE:
2949                                         BLI_snprintf(msg, sizeof(msg), "%s: %0.4f", ui_name, rc->current_value);
2950                                         break;
2951                                 case PROP_PIXEL:
2952                                         BLI_snprintf(msg, sizeof(msg), "%s: %d", ui_name, (int)rc->current_value); /* XXX: round to nearest? */
2953                                         break;
2954                                 case PROP_PERCENTAGE:
2955                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.1f%%", ui_name, rc->current_value);
2956                                         break;
2957                                 case PROP_FACTOR:
2958                                         BLI_snprintf(msg, sizeof(msg), "%s: %1.3f", ui_name, rc->current_value);
2959                                         break;
2960                                 case PROP_ANGLE:
2961                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.2f", ui_name, RAD2DEGF(rc->current_value));
2962                                         break;
2963                                 default:
2964                                         BLI_snprintf(msg, sizeof(msg), "%s", ui_name); /* XXX: No value? */
2965                                         break;
2966                         }
2967                 }
2968                 ED_area_headerprint(sa, msg);
2969         }
2970 }
2971
2972 static void radial_control_set_initial_mouse(RadialControl *rc, const wmEvent *event)
2973 {
2974         float d[2] = {0, 0};
2975         float zoom[2] = {1, 1};
2976
2977         rc->initial_mouse[0] = event->x;
2978         rc->initial_mouse[1] = event->y;
2979
2980         switch (rc->subtype) {
2981                 case PROP_NONE:
2982                 case PROP_DISTANCE:
2983                 case PROP_PIXEL:
2984                         d[0] = rc->initial_value;
2985                         break;
2986                 case PROP_PERCENTAGE:
2987                         d[0] = (rc->initial_value) / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2988                         break;
2989                 case PROP_FACTOR:
2990                         d[0] = (1 - rc->initial_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2991                         break;
2992                 case PROP_ANGLE:
2993                         d[0] = WM_RADIAL_CONTROL_DISPLAY_SIZE * cosf(rc->initial_value);
2994                         d[1] = WM_RADIAL_CONTROL_DISPLAY_SIZE * sinf(rc->initial_value);
2995                         break;
2996                 default:
2997                         return;
2998         }
2999
3000         if (rc->zoom_prop) {
3001                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
3002                 d[0] *= zoom[0];
3003                 d[1] *= zoom[1];
3004         }
3005
3006         rc->initial_mouse[0] -= d[0];
3007         rc->initial_mouse[1] -= d[1];
3008 }
3009
3010 static void radial_control_set_tex(RadialControl *rc)
3011 {
3012         ImBuf *ibuf;
3013
3014         switch (RNA_type_to_ID_code(rc->image_id_ptr.type)) {
3015                 case ID_BR:
3016                         if ((ibuf = BKE_brush_gen_radial_control_imbuf(rc->image_id_ptr.data, rc->use_secondary_tex))) {
3017                                 glGenTextures(1, &rc->gltex);
3018                                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
3019                                 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, ibuf->x, ibuf->y, 0,
3020                                              GL_ALPHA, GL_FLOAT, ibuf->rect_float);
3021                                 MEM_freeN(ibuf->rect_float);
3022                                 MEM_freeN(ibuf);
3023                         }
3024                         break;
3025                 default:
3026                         break;
3027         }
3028 }
3029
3030 static void radial_control_paint_tex(RadialControl *rc, float radius, float alpha)
3031 {
3032         float col[3] = {0, 0, 0};
3033         float rot;
3034
3035         /* set fill color */
3036         if (rc->fill_col_prop) {
3037                 PointerRNA *fill_ptr;
3038                 PropertyRNA *fill_prop;
3039
3040                 if (rc->fill_col_override_prop &&
3041                     RNA_property_boolean_get(&rc->fill_col_override_test_ptr, rc->fill_col_override_test_prop))
3042                 {
3043                         fill_ptr = &rc->fill_col_override_ptr;
3044                         fill_prop = rc->fill_col_override_prop;
3045                 }
3046                 else {
3047                         fill_ptr = &rc->fill_col_ptr;
3048                         fill_prop = rc->fill_col_prop;
3049                 }
3050
3051                 RNA_property_float_get_array(fill_ptr, fill_prop, col);
3052         }
3053         glColor4f(col[0], col[1], col[2], alpha);
3054
3055         if (rc->gltex) {
3056                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
3057
3058                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
3059                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
3060
3061                 /* set up rotation if available */
3062                 if (rc->rot_prop) {
3063                         rot = RNA_property_float_get(&rc->rot_ptr, rc->rot_prop);
3064                         glPushMatrix();
3065                         glRotatef(RAD2DEGF(rot), 0, 0, 1);
3066                 }
3067
3068                 /* draw textured quad */
3069                 GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR);
3070                 glBegin(GL_QUADS);
3071                 glTexCoord2f(0, 0);
3072                 glVertex2f(-radius, -radius);
3073                 glTexCoord2f(1, 0);
3074                 glVertex2f(radius, -radius);
3075                 glTexCoord2f(1, 1);
3076                 glVertex2f(radius, radius);
3077                 glTexCoord2f(0, 1);
3078                 glVertex2f(-radius, radius);
3079                 glEnd();
3080                 GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
3081
3082                 /* undo rotation */
3083                 if (rc->rot_prop)
3084                         glPopMatrix();
3085         }
3086         else {
3087                 /* flat color if no texture available */
3088                 glutil_draw_filled_arc(0, M_PI * 2, radius, 40);
3089         }
3090 }
3091
3092 static void radial_control_paint_cursor(bContext *C, int x, int y, void *customdata)
3093 {
3094         RadialControl *rc = customdata;
3095         ARegion *ar = CTX_wm_region(C);
3096         uiStyle *style = UI_style_get();
3097         const uiFontStyle *fstyle = &style->widget;
3098         const int fontid = fstyle->uifont_id;
3099         short fstyle_points = fstyle->points;
3100         char str[WM_RADIAL_MAX_STR];
3101         short strdrawlen = 0;
3102         float strwidth, strheight;
3103         float r1 = 0.0f, r2 = 0.0f, rmin = 0.0, tex_radius, alpha;
3104         float zoom[2], col[3] = {1, 1, 1};      
3105
3106         switch (rc->subtype) {
3107                 case PROP_NONE:
3108                 case PROP_DISTANCE:
3109                 case PROP_PIXEL:
3110                         r1 = rc->current_value;
3111                         r2 = rc->initial_value;
3112                         tex_radius = r1;
3113                         alpha = 0.75;
3114                         break;
3115                 case PROP_PERCENTAGE:
3116                         r1 = rc->current_value / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3117                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3118                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3119                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.1f%%", rc->current_value);
3120                         strdrawlen = BLI_strlen_utf8(str);
3121                         tex_radius = r1;
3122                         alpha = 0.75;
3123                         break;
3124                 case PROP_FACTOR:
3125                         r1 = (1 - rc->current_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3126                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3127                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3128                         alpha = rc->current_value / 2.0f + 0.5f;
3129                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%1.3f", rc->current_value);
3130                         strdrawlen = BLI_strlen_utf8(str);
3131                         break;
3132                 case PROP_ANGLE:
3133                         r1 = r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3134                         alpha = 0.75;
3135                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3136                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.2f", RAD2DEGF(rc->current_value));
3137                         strdrawlen = BLI_strlen_utf8(str);
3138                         break;
3139                 default:
3140                         tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE; /* note, this is a dummy value */
3141                         alpha = 0.75;
3142                         break;
3143         }
3144
3145         /* Keep cursor in the original place */
3146         x = rc->initial_mouse[0] - ar->winrct.xmin;
3147         y = rc->initial_mouse[1] - ar->winrct.ymin;
3148         glTranslatef((float)x, (float)y, 0.0f);
3149
3150         glEnable(GL_BLEND);
3151         glEnable(GL_LINE_SMOOTH);
3152
3153         /* apply zoom if available */
3154         if (rc->zoom_prop) {
3155                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
3156                 glScalef(zoom[0], zoom[1], 1);
3157         }
3158
3159         /* draw rotated texture */
3160         radial_control_paint_tex(rc, tex_radius, alpha);
3161
3162         /* set line color */
3163         if (rc->col_prop)
3164                 RNA_property_float_get_array(&rc->col_ptr, rc->col_prop, col);
3165         glColor4f(col[0], col[1], col[2], 0.5);
3166
3167         if (rc->subtype == PROP_ANGLE) {
3168                 glPushMatrix();
3169                 /* draw original angle line */
3170                 glRotatef(RAD2DEGF(rc->initial_value), 0, 0, 1);
3171                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3172                 /* draw new angle line */
3173                 glRotatef(RAD2DEGF(rc->current_value - rc->initial_value), 0, 0, 1);
3174                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3175                 glPopMatrix();
3176         }
3177
3178         /* draw circles on top */
3179         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r1, 40);
3180         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r2, 40);
3181         if (rmin > 0.0f)
3182                 glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), rmin, 40);
3183
3184         BLF_size(fontid, 1.5 * fstyle_points * U.pixelsize, U.dpi);
3185         BLF_enable(fontid, BLF_SHADOW);
3186         BLF_shadow(fontid, 3, (const float[4]){0.0f, 0.0f, 0.0f, 0.5f});
3187         BLF_shadow_offset(fontid, 1, -1);
3188
3189         /* draw value */
3190         BLF_width_and_height(fontid, str, strdrawlen, &strwidth, &strheight);
3191         BLF_position(fontid, -0.5f * strwidth, -0.5f * strheight, 0.0f);
3192         BLF_draw(fontid, str, strdrawlen);
3193
3194         BLF_disable(fontid, BLF_SHADOW);
3195
3196         glDisable(GL_BLEND);
3197         glDisable(GL_LINE_SMOOTH);
3198 }
3199
3200 typedef enum {