Fix T51248: user preferences window size not adapted to DPI.
[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 /* Dialogs are popups that require user verification (click OK) before exec */
1407 static uiBlock *wm_block_dialog_create(bContext *C, ARegion *ar, void *userData)
1408 {
1409         wmOpPopUp *data = userData;
1410         wmOperator *op = data->op;
1411         uiBlock *block;
1412         uiLayout *layout;
1413         uiStyle *style = UI_style_get();
1414
1415         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1416         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1417
1418         /* intentionally don't use 'UI_BLOCK_MOVEMOUSE_QUIT', some dialogues have many items
1419          * where quitting by accident is very annoying */
1420         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_NUMSELECT);
1421
1422         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1423         
1424         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1425         
1426         /* clear so the OK button is left alone */
1427         UI_block_func_set(block, NULL, NULL, NULL);
1428
1429         /* new column so as not to interfere with custom layouts [#26436] */
1430         {
1431                 uiBlock *col_block;
1432                 uiLayout *col;
1433                 uiBut *btn;
1434
1435                 col = uiLayoutColumn(layout, false);
1436                 col_block = uiLayoutGetBlock(col);
1437                 /* Create OK button, the callback of which will execute op */
1438                 btn = uiDefBut(col_block, UI_BTYPE_BUT, 0, IFACE_("OK"), 0, -30, 0, UI_UNIT_Y, NULL, 0, 0, 0, 0, "");
1439                 UI_but_func_set(btn, dialog_exec_cb, data, col_block);
1440         }
1441
1442         /* center around the mouse */
1443         UI_block_bounds_set_popup(block, 4, data->width / -2, data->height / 2);
1444
1445         return block;
1446 }
1447
1448 static uiBlock *wm_operator_ui_create(bContext *C, ARegion *ar, void *userData)
1449 {
1450         wmOpPopUp *data = userData;
1451         wmOperator *op = data->op;
1452         uiBlock *block;
1453         uiLayout *layout;
1454         uiStyle *style = UI_style_get();
1455
1456         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1457         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1458         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1459
1460         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1461
1462         /* since ui is defined the auto-layout args are not used */
1463         uiLayoutOperatorButs(C, layout, op, NULL, 'V', 0);
1464
1465         UI_block_func_set(block, NULL, NULL, NULL);
1466
1467         UI_block_bounds_set_popup(block, 4, 0, 0);
1468
1469         return block;
1470 }
1471
1472 static void wm_operator_ui_popup_cancel(struct bContext *C, void *userData)
1473 {
1474         wmOpPopUp *data = userData;
1475         wmOperator *op = data->op;
1476
1477         if (op) {
1478                 if (op->type->cancel) {
1479                         op->type->cancel(C, op);
1480                 }
1481
1482                 if (data->free_op) {
1483                         WM_operator_free(op);
1484                 }
1485         }
1486
1487         MEM_freeN(data);
1488 }
1489
1490 static void wm_operator_ui_popup_ok(struct bContext *C, void *arg, int retval)
1491 {
1492         wmOpPopUp *data = arg;
1493         wmOperator *op = data->op;
1494
1495         if (op && retval > 0)
1496                 WM_operator_call_ex(C, op, true);
1497         
1498         MEM_freeN(data);
1499 }
1500
1501 int WM_operator_ui_popup(bContext *C, wmOperator *op, int width, int height)
1502 {
1503         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_ui_popup");
1504         data->op = op;
1505         data->width = width;
1506         data->height = height;
1507         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1508         UI_popup_block_ex(C, wm_operator_ui_create, NULL, wm_operator_ui_popup_cancel, data, op);
1509         return OPERATOR_RUNNING_MODAL;
1510 }
1511
1512 /**
1513  * For use by #WM_operator_props_popup_call, #WM_operator_props_popup only.
1514  *
1515  * \note operator menu needs undo flag enabled, for redo callback */
1516 static int wm_operator_props_popup_ex(bContext *C, wmOperator *op,
1517                                       const bool do_call, const bool do_redo)
1518 {
1519         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1520                 BKE_reportf(op->reports, RPT_ERROR,
1521                             "Operator '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1522                 return OPERATOR_CANCELLED;
1523         }
1524
1525         if (do_redo) {
1526                 if ((op->type->flag & OPTYPE_UNDO) == 0) {
1527                         BKE_reportf(op->reports, RPT_ERROR,
1528                                     "Operator '%s' does not have undo enabled, incorrect invoke function", op->type->idname);
1529                         return OPERATOR_CANCELLED;
1530                 }
1531         }
1532
1533         /* if we don't have global undo, we can't do undo push for automatic redo,
1534          * so we require manual OK clicking in this popup */
1535         if (!do_redo || !(U.uiflag & USER_GLOBALUNDO))
1536                 return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, UI_UNIT_Y);
1537
1538         UI_popup_block_ex(C, wm_block_create_redo, NULL, wm_block_redo_cancel_cb, op, op);
1539
1540         if (do_call)
1541                 wm_block_redo_cb(C, op, 0);
1542
1543         return OPERATOR_RUNNING_MODAL;
1544 }
1545
1546 /**
1547  * Same as #WM_operator_props_popup but don't use operator redo.
1548  * just wraps #WM_operator_props_dialog_popup.
1549  */
1550 int WM_operator_props_popup_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1551 {
1552         return wm_operator_props_popup_ex(C, op, false, false);
1553 }
1554
1555 /**
1556  * Same as #WM_operator_props_popup but call the operator first,
1557  * This way - the button values correspond to the result of the operator.
1558  * Without this, first access to a button will make the result jump, see T32452.
1559  */
1560 int WM_operator_props_popup_call(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1561 {
1562         return wm_operator_props_popup_ex(C, op, true, true);
1563 }
1564
1565 int WM_operator_props_popup(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1566 {
1567         return wm_operator_props_popup_ex(C, op, false, true);
1568 }
1569
1570 int WM_operator_props_dialog_popup(bContext *C, wmOperator *op, int width, int height)
1571 {
1572         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_props_dialog_popup");
1573         
1574         data->op = op;
1575         data->width = width;
1576         data->height = height;
1577         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1578
1579         /* op is not executed until popup OK but is clicked */
1580         UI_popup_block_ex(C, wm_block_dialog_create, wm_operator_ui_popup_ok, wm_operator_ui_popup_cancel, data, op);
1581
1582         return OPERATOR_RUNNING_MODAL;
1583 }
1584
1585 int WM_operator_redo_popup(bContext *C, wmOperator *op)
1586 {
1587         /* CTX_wm_reports(C) because operator is on stack, not active in event system */
1588         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1589                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR,
1590                             "Operator redo '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1591                 return OPERATOR_CANCELLED;
1592         }
1593         if (op->type->poll && op->type->poll(C) == 0) {
1594                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "Operator redo '%s': wrong context", op->type->idname);
1595                 return OPERATOR_CANCELLED;
1596         }
1597         
1598         UI_popup_block_invoke(C, wm_block_create_redo, op);
1599
1600         return OPERATOR_CANCELLED;
1601 }
1602
1603 /* ***************** Debug menu ************************* */
1604
1605 static int wm_debug_menu_exec(bContext *C, wmOperator *op)
1606 {
1607         G.debug_value = RNA_int_get(op->ptr, "debug_value");
1608         ED_screen_refresh(CTX_wm_manager(C), CTX_wm_window(C));
1609         WM_event_add_notifier(C, NC_WINDOW, NULL);
1610
1611         return OPERATOR_FINISHED;
1612 }
1613
1614 static int wm_debug_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1615 {
1616         RNA_int_set(op->ptr, "debug_value", G.debug_value);
1617         return WM_operator_props_dialog_popup(C, op, 9 * UI_UNIT_X, UI_UNIT_Y);
1618 }
1619
1620 static void WM_OT_debug_menu(wmOperatorType *ot)
1621 {
1622         ot->name = "Debug Menu";
1623         ot->idname = "WM_OT_debug_menu";
1624         ot->description = "Open a popup to set the debug level";
1625         
1626         ot->invoke = wm_debug_menu_invoke;
1627         ot->exec = wm_debug_menu_exec;
1628         ot->poll = WM_operator_winactive;
1629         
1630         RNA_def_int(ot->srna, "debug_value", 0, SHRT_MIN, SHRT_MAX, "Debug Value", "", -10000, 10000);
1631 }
1632
1633 /* ***************** Operator defaults ************************* */
1634 static int wm_operator_defaults_exec(bContext *C, wmOperator *op)
1635 {
1636         PointerRNA ptr = CTX_data_pointer_get_type(C, "active_operator", &RNA_Operator);
1637
1638         if (!ptr.data) {
1639                 BKE_report(op->reports, RPT_ERROR, "No operator in context");
1640                 return OPERATOR_CANCELLED;
1641         }
1642
1643         WM_operator_properties_reset((wmOperator *)ptr.data);
1644         return OPERATOR_FINISHED;
1645 }
1646
1647 /* used by operator preset menu. pre-2.65 this was a 'Reset' button */
1648 static void WM_OT_operator_defaults(wmOperatorType *ot)
1649 {
1650         ot->name = "Restore Defaults";
1651         ot->idname = "WM_OT_operator_defaults";
1652         ot->description = "Set the active operator to its default values";
1653
1654         ot->exec = wm_operator_defaults_exec;
1655
1656         ot->flag = OPTYPE_INTERNAL;
1657 }
1658
1659 /* ***************** Splash Screen ************************* */
1660
1661 static void wm_block_splash_close(bContext *C, void *arg_block, void *UNUSED(arg))
1662 {
1663         wmWindow *win = CTX_wm_window(C);
1664         UI_popup_block_close(C, win, arg_block);
1665 }
1666
1667 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *arg_unused);
1668
1669 static void wm_block_splash_refreshmenu(bContext *C, void *UNUSED(arg_block), void *UNUSED(arg))
1670 {
1671         ARegion *ar_menu = CTX_wm_menu(C);
1672         ED_region_tag_refresh_ui(ar_menu);
1673 }
1674
1675 static int wm_resource_check_prev(void)
1676 {
1677
1678         const char *res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION, true);
1679
1680         // if (res) printf("USER: %s\n", res);
1681
1682 #if 0 /* ignore the local folder */
1683         if (res == NULL) {
1684                 /* with a local dir, copying old files isn't useful since local dir get priority for config */
1685                 res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_LOCAL, BLENDER_VERSION, true);
1686         }
1687 #endif
1688
1689         // if (res) printf("LOCAL: %s\n", res);
1690         if (res) {
1691                 return false;
1692         }
1693         else {
1694                 return (BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION - 1, true) != NULL);
1695         }
1696 }
1697
1698 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(arg))
1699 {
1700         uiBlock *block;
1701         uiBut *but;
1702         uiLayout *layout, *split, *col;
1703         uiStyle *style = UI_style_get();
1704         const struct RecentFile *recent;
1705         int i;
1706         MenuType *mt = WM_menutype_find("USERPREF_MT_splash", true);
1707         char url[96];
1708         const char *version_suffix = NULL;
1709
1710 #ifndef WITH_HEADLESS
1711         extern char datatoc_splash_png[];
1712         extern int datatoc_splash_png_size;
1713
1714         extern char datatoc_splash_2x_png[];
1715         extern int datatoc_splash_2x_png_size;
1716         ImBuf *ibuf;
1717 #else
1718         ImBuf *ibuf = NULL;
1719 #endif
1720
1721 #ifdef WITH_BUILDINFO
1722         int label_delta = 0;
1723         int hash_width, date_width;
1724         char date_buf[128] = "\0";
1725         char hash_buf[128] = "\0";
1726         extern unsigned long build_commit_timestamp;
1727         extern char build_hash[], build_commit_date[], build_commit_time[], build_branch[];
1728
1729         /* Builds made from tag only shows tag sha */
1730         BLI_snprintf(hash_buf, sizeof(hash_buf), "Hash: %s", build_hash);
1731         BLI_snprintf(date_buf, sizeof(date_buf), "Date: %s %s", build_commit_date, build_commit_time);
1732         
1733         BLF_size(style->widgetlabel.uifont_id, style->widgetlabel.points, U.pixelsize * U.dpi);
1734         hash_width = (int)BLF_width(style->widgetlabel.uifont_id, hash_buf, sizeof(hash_buf)) + U.widget_unit;
1735         date_width = (int)BLF_width(style->widgetlabel.uifont_id, date_buf, sizeof(date_buf)) + U.widget_unit;
1736 #endif  /* WITH_BUILDINFO */
1737
1738 #ifndef WITH_HEADLESS
1739         if (U.pixelsize == 2) {
1740                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_2x_png,
1741                                              datatoc_splash_2x_png_size, IB_rect, NULL, "<splash screen>");
1742         }
1743         else {
1744                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_png,
1745                                              datatoc_splash_png_size, IB_rect, NULL, "<splash screen>");
1746         }
1747
1748         /* overwrite splash with template image */
1749         if (U.app_template[0] != '\0') {
1750                 ImBuf *ibuf_template = NULL;
1751                 char splash_filepath[FILE_MAX];
1752                 char template_directory[FILE_MAX];
1753
1754                 if (BKE_appdir_app_template_id_search(
1755                         U.app_template,
1756                         template_directory, sizeof(template_directory)))
1757                 {
1758                         BLI_join_dirfile(
1759                                 splash_filepath, sizeof(splash_filepath), template_directory,
1760                                 (U.pixelsize == 2) ? "splash_2x.png" : "splash.png");
1761                         ibuf_template = IMB_loadiffname(splash_filepath, IB_rect, NULL);
1762                         if (ibuf_template) {
1763                                 const int x_expect = ibuf->x;
1764                                 const int y_expect = 230 * (int)U.pixelsize;
1765                                 /* don't cover the header text */
1766                                 if (ibuf_template->x == x_expect && ibuf_template->y == y_expect) {
1767                                         memcpy(ibuf->rect, ibuf_template->rect, ibuf_template->x * ibuf_template->y * sizeof(char[4]));
1768                                 }
1769                                 else {
1770                                         printf("Splash expected %dx%d found %dx%d, ignoring: %s\n",
1771                                                x_expect, y_expect, ibuf_template->x, ibuf_template->y, splash_filepath);
1772                                 }
1773                                 IMB_freeImBuf(ibuf_template);
1774                         }
1775                 }
1776         }
1777 #endif
1778
1779         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1780
1781         /* note on UI_BLOCK_NO_WIN_CLIP, the window size is not always synchronized
1782          * with the OS when the splash shows, window clipping in this case gives
1783          * ugly results and clipping the splash isn't useful anyway, just disable it [#32938] */
1784         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_NO_WIN_CLIP);
1785
1786         /* XXX splash scales with pixelsize, should become widget-units */
1787         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 */
1788         UI_but_func_set(but, wm_block_splash_close, block, NULL);
1789         UI_block_func_set(block, wm_block_splash_refreshmenu, block, NULL);
1790
1791         /* label for 'a' bugfix releases, or 'Release Candidate 1'...
1792          *  avoids recreating splash for version updates */
1793         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "rc")) {
1794                 version_suffix = "Release Candidate";
1795         }
1796         else if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1797                 version_suffix = STRINGIFY(BLENDER_VERSION_CHAR);
1798         }
1799         if (version_suffix != NULL && version_suffix[0]) {
1800                 /* placed after the version number in the image,
1801                  * placing y is tricky to match baseline */
1802                 int x = 260 * U.pixelsize - (2 * UI_DPI_FAC);
1803                 int y = 242 * U.pixelsize + (4 * UI_DPI_FAC);
1804                 int w = 240 * U.pixelsize;
1805
1806                 /* hack to have text draw 'text_sel' */
1807                 UI_block_emboss_set(block, UI_EMBOSS_NONE);
1808                 but = uiDefBut(block, UI_BTYPE_LABEL, 0, version_suffix, x, y, w, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1809                 /* XXX, set internal flag - UI_SELECT */
1810                 UI_but_flag_enable(but, 1);
1811                 UI_block_emboss_set(block, UI_EMBOSS);
1812         }
1813
1814 #ifdef WITH_BUILDINFO
1815         if (build_commit_timestamp != 0) {
1816                 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);
1817                 label_delta = 12;
1818         }
1819         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);
1820
1821         if (!STREQ(build_branch, "master")) {
1822                 char branch_buf[128] = "\0";
1823                 int branch_width;
1824                 BLI_snprintf(branch_buf, sizeof(branch_buf), "Branch: %s", build_branch);
1825                 branch_width = (int)BLF_width(style->widgetlabel.uifont_id, branch_buf, sizeof(branch_buf)) + U.widget_unit;
1826                 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);
1827         }
1828 #endif  /* WITH_BUILDINFO */
1829         
1830         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 10, 2, U.pixelsize * 480, U.pixelsize * 110, 0, style);
1831         
1832         UI_block_emboss_set(block, UI_EMBOSS);
1833         /* show the splash menu (containing interaction presets), using python */
1834         if (mt) {
1835                 Menu menu = {NULL};
1836                 menu.layout = layout;
1837                 menu.type = mt;
1838                 mt->draw(C, &menu);
1839
1840 //              wmWindowManager *wm = CTX_wm_manager(C);
1841 //              uiItemM(layout, C, "USERPREF_MT_keyconfigs", U.keyconfigstr, ICON_NONE);
1842         }
1843         
1844         UI_block_emboss_set(block, UI_EMBOSS_PULLDOWN);
1845         uiLayoutSetOperatorContext(layout, WM_OP_EXEC_REGION_WIN);
1846         
1847         split = uiLayoutSplit(layout, 0.0f, false);
1848         col = uiLayoutColumn(split, false);
1849         uiItemL(col, IFACE_("Links"), ICON_NONE);
1850 #if 0
1851         uiItemStringO(col, IFACE_("Support an Open Animation Movie"), ICON_URL, "WM_OT_url_open", "url",
1852                       "https://cloud.blender.org/join");
1853 #endif
1854         uiItemStringO(col, IFACE_("Donations"), ICON_URL, "WM_OT_url_open", "url",
1855                       "http://www.blender.org/foundation/donation-payment/");
1856         uiItemStringO(col, IFACE_("Credits"), ICON_URL, "WM_OT_url_open", "url",
1857                       "http://www.blender.org/about/credits/");
1858         BLI_snprintf(url, sizeof(url), "http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/%d.%d",
1859                      BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1860         uiItemStringO(col, IFACE_("Release Log"), ICON_URL, "WM_OT_url_open", "url", url);
1861         uiItemStringO(col, IFACE_("Manual"), ICON_URL, "WM_OT_url_open", "url",
1862                       "https://docs.blender.org/manual/en/dev/");
1863         uiItemStringO(col, IFACE_("Blender Website"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org");
1864         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1865                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d"
1866                                                STRINGIFY(BLENDER_VERSION_CHAR) "_release",
1867                              BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1868         }
1869         else {
1870                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d_%d",
1871                              BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION);
1872         }
1873         uiItemStringO(col, IFACE_("Python API Reference"), ICON_URL, "WM_OT_url_open", "url", url);
1874         uiItemL(col, "", ICON_NONE);
1875
1876         col = uiLayoutColumn(split, false);
1877
1878         if (wm_resource_check_prev()) {
1879                 uiItemO(col, NULL, ICON_NEW, "WM_OT_copy_prev_settings");
1880                 uiItemS(col);
1881         }
1882
1883         uiItemL(col, IFACE_("Recent"), ICON_NONE);
1884         for (recent = G.recent_files.first, i = 0; (i < 5) && (recent); recent = recent->next, i++) {
1885                 const char *filename = BLI_path_basename(recent->filepath);
1886                 uiItemStringO(col, filename,
1887                               BLO_has_bfile_extension(filename) ? ICON_FILE_BLEND : ICON_FILE_BACKUP,
1888                               "WM_OT_open_mainfile", "filepath", recent->filepath);
1889         }
1890
1891         uiItemS(col);
1892         uiItemO(col, NULL, ICON_RECOVER_LAST, "WM_OT_recover_last_session");
1893         uiItemL(col, "", ICON_NONE);
1894         
1895         mt = WM_menutype_find("USERPREF_MT_splash_footer", false);
1896         if (mt) {
1897                 Menu menu = {NULL};
1898                 menu.layout = uiLayoutColumn(layout, false);
1899                 menu.type = mt;
1900                 mt->draw(C, &menu);
1901         }
1902
1903         UI_block_bounds_set_centered(block, 0);
1904         
1905         return block;
1906 }
1907
1908 static int wm_splash_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1909 {
1910         UI_popup_block_invoke(C, wm_block_create_splash, NULL);
1911         
1912         return OPERATOR_FINISHED;
1913 }
1914
1915 static void WM_OT_splash(wmOperatorType *ot)
1916 {
1917         ot->name = "Splash Screen";
1918         ot->idname = "WM_OT_splash";
1919         ot->description = "Open the splash screen with release info";
1920         
1921         ot->invoke = wm_splash_invoke;
1922         ot->poll = WM_operator_winactive;
1923 }
1924
1925
1926 /* ***************** Search menu ************************* */
1927
1928 struct SearchPopupInit_Data {
1929         int size[2];
1930 };
1931
1932 static uiBlock *wm_block_search_menu(bContext *C, ARegion *ar, void *userdata)
1933 {
1934         const struct SearchPopupInit_Data *init_data = userdata;
1935         static char search[256] = "";
1936         wmEvent event;
1937         wmWindow *win = CTX_wm_window(C);
1938         uiBlock *block;
1939         uiBut *but;
1940         
1941         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1942         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1943         
1944         but = uiDefSearchBut(block, search, 0, ICON_VIEWZOOM, sizeof(search), 10, 10, init_data->size[0], UI_UNIT_Y, 0, 0, "");
1945         UI_but_func_operator_search(but);
1946         
1947         /* fake button, it holds space for search items */
1948         uiDefBut(block, UI_BTYPE_LABEL, 0, "", 10, 10 - init_data->size[1],
1949                  init_data->size[0], init_data->size[1], NULL, 0, 0, 0, 0, NULL);
1950         
1951         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1952         
1953         wm_event_init_from_window(win, &event);
1954         event.type = EVT_BUT_OPEN;
1955         event.val = KM_PRESS;
1956         event.customdata = but;
1957         event.customdatafree = false;
1958         wm_event_add(win, &event);
1959         
1960         return block;
1961 }
1962
1963 static int wm_search_menu_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
1964 {
1965         return OPERATOR_FINISHED;
1966 }
1967
1968 static int wm_search_menu_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1969 {
1970         struct SearchPopupInit_Data data = {
1971                 .size = {
1972                     UI_searchbox_size_x() * 2,
1973                     UI_searchbox_size_y(),
1974                 },
1975         };
1976
1977         UI_popup_block_invoke(C, wm_block_search_menu, &data);
1978         
1979         return OPERATOR_INTERFACE;
1980 }
1981
1982 /* op->poll */
1983 static int wm_search_menu_poll(bContext *C)
1984 {
1985         if (CTX_wm_window(C) == NULL) {
1986                 return 0;
1987         }
1988         else {
1989                 ScrArea *sa = CTX_wm_area(C);
1990                 if (sa) {
1991                         if (sa->spacetype == SPACE_CONSOLE) return 0;  /* XXX - so we can use the shortcut in the console */
1992                         if (sa->spacetype == SPACE_TEXT) return 0;     /* XXX - so we can use the spacebar in the text editor */
1993                 }
1994                 else {
1995                         Object *editob = CTX_data_edit_object(C);
1996                         if (editob && editob->type == OB_FONT) return 0;  /* XXX - so we can use the spacebar for entering text */
1997                 }
1998         }
1999         return 1;
2000 }
2001
2002 static void WM_OT_search_menu(wmOperatorType *ot)
2003 {
2004         ot->name = "Search Menu";
2005         ot->idname = "WM_OT_search_menu";
2006         ot->description = "Pop-up a search menu over all available operators in current context";
2007         
2008         ot->invoke = wm_search_menu_invoke;
2009         ot->exec = wm_search_menu_exec;
2010         ot->poll = wm_search_menu_poll;
2011 }
2012
2013 static int wm_call_menu_exec(bContext *C, wmOperator *op)
2014 {
2015         char idname[BKE_ST_MAXNAME];
2016         RNA_string_get(op->ptr, "name", idname);
2017
2018         return UI_popup_menu_invoke(C, idname, op->reports);
2019 }
2020
2021 static void WM_OT_call_menu(wmOperatorType *ot)
2022 {
2023         ot->name = "Call Menu";
2024         ot->idname = "WM_OT_call_menu";
2025         ot->description = "Call (draw) a pre-defined menu";
2026
2027         ot->exec = wm_call_menu_exec;
2028         ot->poll = WM_operator_winactive;
2029
2030         ot->flag = OPTYPE_INTERNAL;
2031
2032         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the menu");
2033 }
2034
2035 static int wm_call_pie_menu_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2036 {
2037         char idname[BKE_ST_MAXNAME];
2038         RNA_string_get(op->ptr, "name", idname);
2039
2040         return UI_pie_menu_invoke(C, idname, event);
2041 }
2042
2043 static int wm_call_pie_menu_exec(bContext *C, wmOperator *op)
2044 {
2045         char idname[BKE_ST_MAXNAME];
2046         RNA_string_get(op->ptr, "name", idname);
2047
2048         return UI_pie_menu_invoke(C, idname, CTX_wm_window(C)->eventstate);
2049 }
2050
2051 static void WM_OT_call_menu_pie(wmOperatorType *ot)
2052 {
2053         ot->name = "Call Pie Menu";
2054         ot->idname = "WM_OT_call_menu_pie";
2055         ot->description = "Call (draw) a pre-defined pie menu";
2056
2057         ot->invoke = wm_call_pie_menu_invoke;
2058         ot->exec = wm_call_pie_menu_exec;
2059         ot->poll = WM_operator_winactive;
2060
2061         ot->flag = OPTYPE_INTERNAL;
2062
2063         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the pie menu");
2064 }
2065
2066 /* ************ window / screen operator definitions ************** */
2067
2068 /* this poll functions is needed in place of WM_operator_winactive
2069  * while it crashes on full screen */
2070 static int wm_operator_winactive_normal(bContext *C)
2071 {
2072         wmWindow *win = CTX_wm_window(C);
2073
2074         if (win == NULL || win->screen == NULL || win->screen->state != SCREENNORMAL)
2075                 return 0;
2076
2077         return 1;
2078 }
2079
2080 /* included for script-access */
2081 static void WM_OT_window_close(wmOperatorType *ot)
2082 {
2083         ot->name = "Close Window";
2084         ot->idname = "WM_OT_window_close";
2085         ot->description = "Close the current Blender window";
2086
2087         ot->exec = wm_window_close_exec;
2088         ot->poll = WM_operator_winactive;
2089 }
2090
2091 static void WM_OT_window_duplicate(wmOperatorType *ot)
2092 {
2093         ot->name = "Duplicate Window";
2094         ot->idname = "WM_OT_window_duplicate";
2095         ot->description = "Duplicate the current Blender window";
2096                 
2097         ot->exec = wm_window_duplicate_exec;
2098         ot->poll = wm_operator_winactive_normal;
2099 }
2100
2101 static void WM_OT_window_fullscreen_toggle(wmOperatorType *ot)
2102 {
2103         ot->name = "Toggle Window Fullscreen";
2104         ot->idname = "WM_OT_window_fullscreen_toggle";
2105         ot->description = "Toggle the current window fullscreen";
2106
2107         ot->exec = wm_window_fullscreen_toggle_exec;
2108         ot->poll = WM_operator_winactive;
2109 }
2110
2111 static int wm_exit_blender_exec(bContext *C, wmOperator *op)
2112 {
2113         WM_operator_free(op);
2114         
2115         WM_exit(C);
2116         
2117         return OPERATOR_FINISHED;
2118 }
2119
2120 static void WM_OT_quit_blender(wmOperatorType *ot)
2121 {
2122         ot->name = "Quit Blender";
2123         ot->idname = "WM_OT_quit_blender";
2124         ot->description = "Quit Blender";
2125
2126         ot->invoke = WM_operator_confirm;
2127         ot->exec = wm_exit_blender_exec;
2128 }
2129
2130 /* *********************** */
2131
2132 #if defined(WIN32)
2133
2134 static int wm_console_toggle_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
2135 {
2136         GHOST_toggleConsole(2);
2137         return OPERATOR_FINISHED;
2138 }
2139
2140 static void WM_OT_console_toggle(wmOperatorType *ot)
2141 {
2142         /* XXX Have to mark these for xgettext, as under linux they do not exists... */
2143         ot->name = CTX_N_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Toggle System Console");
2144         ot->idname = "WM_OT_console_toggle";
2145         ot->description = N_("Toggle System Console");
2146         
2147         ot->exec = wm_console_toggle_exec;
2148         ot->poll = WM_operator_winactive;
2149 }
2150
2151 #endif
2152
2153 /* ************ default paint cursors, draw always around cursor *********** */
2154 /*
2155  * - returns handler to free
2156  * - poll(bContext): returns 1 if draw should happen
2157  * - draw(bContext): drawing callback for paint cursor
2158  */
2159
2160 void *WM_paint_cursor_activate(wmWindowManager *wm, int (*poll)(bContext *C),
2161                                wmPaintCursorDraw draw, void *customdata)
2162 {
2163         wmPaintCursor *pc = MEM_callocN(sizeof(wmPaintCursor), "paint cursor");
2164         
2165         BLI_addtail(&wm->paintcursors, pc);
2166         
2167         pc->customdata = customdata;
2168         pc->poll = poll;
2169         pc->draw = draw;
2170         
2171         return pc;
2172 }
2173
2174 void WM_paint_cursor_end(wmWindowManager *wm, void *handle)
2175 {
2176         wmPaintCursor *pc;
2177         
2178         for (pc = wm->paintcursors.first; pc; pc = pc->next) {
2179                 if (pc == (wmPaintCursor *)handle) {
2180                         BLI_remlink(&wm->paintcursors, pc);
2181                         MEM_freeN(pc);
2182                         return;
2183                 }
2184         }
2185 }
2186
2187 /* ************ window gesture operator-callback definitions ************** */
2188 /*
2189  * These are default callbacks for use in operators requiring gesture input
2190  */
2191
2192 /* **************** Border gesture *************** */
2193
2194 /**
2195  * Border gesture has two types:
2196  * -# #WM_GESTURE_CROSS_RECT: starts a cross, on mouse click it changes to border.
2197  * -# #WM_GESTURE_RECT: starts immediate as a border, on mouse click or release it ends.
2198  *
2199  * It stores 4 values (xmin, xmax, ymin, ymax) and event it ended with (event_type)
2200  */
2201
2202 static int border_apply_rect(wmOperator *op)
2203 {
2204         wmGesture *gesture = op->customdata;
2205         rcti *rect = gesture->customdata;
2206         
2207         if (rect->xmin == rect->xmax || rect->ymin == rect->ymax)
2208                 return 0;
2209
2210         
2211         /* operator arguments and storage. */
2212         RNA_int_set(op->ptr, "xmin", min_ii(rect->xmin, rect->xmax));
2213         RNA_int_set(op->ptr, "ymin", min_ii(rect->ymin, rect->ymax));
2214         RNA_int_set(op->ptr, "xmax", max_ii(rect->xmin, rect->xmax));
2215         RNA_int_set(op->ptr, "ymax", max_ii(rect->ymin, rect->ymax));
2216
2217         return 1;
2218 }
2219
2220 static int border_apply(bContext *C, wmOperator *op, int gesture_mode)
2221 {
2222         PropertyRNA *prop;
2223
2224         int retval;
2225
2226         if (!border_apply_rect(op))
2227                 return 0;
2228         
2229         /* XXX weak; border should be configured for this without reading event types */
2230         if ((prop = RNA_struct_find_property(op->ptr, "gesture_mode"))) {
2231                 RNA_property_int_set(op->ptr, prop, gesture_mode);
2232         }
2233
2234         retval = op->type->exec(C, op);
2235         OPERATOR_RETVAL_CHECK(retval);
2236
2237         return 1;
2238 }
2239
2240 static void wm_gesture_end(bContext *C, wmOperator *op)
2241 {
2242         wmGesture *gesture = op->customdata;
2243         
2244         WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2245         op->customdata = NULL;
2246
2247         ED_area_tag_redraw(CTX_wm_area(C));
2248         
2249         if (RNA_struct_find_property(op->ptr, "cursor")) {
2250                 WM_cursor_modal_restore(CTX_wm_window(C));
2251         }
2252 }
2253
2254 int WM_border_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2255 {
2256         if (ISTWEAK(event->type))
2257                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_RECT);
2258         else
2259                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_CROSS_RECT);
2260
2261         /* add modal handler */
2262         WM_event_add_modal_handler(C, op);
2263         
2264         wm_gesture_tag_redraw(C);
2265
2266         return OPERATOR_RUNNING_MODAL;
2267 }
2268
2269 int WM_border_select_modal(bContext *C, wmOperator *op, const wmEvent *event)
2270 {
2271         wmGesture *gesture = op->customdata;
2272         rcti *rect = gesture->customdata;
2273         int sx, sy;
2274         
2275         if (event->type == MOUSEMOVE) {
2276                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2277
2278                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2279                         rect->xmin = rect->xmax = event->x - sx;
2280                         rect->ymin = rect->ymax = event->y - sy;
2281                 }
2282                 else {
2283                         rect->xmax = event->x - sx;
2284                         rect->ymax = event->y - sy;
2285                 }
2286                 border_apply_rect(op);
2287
2288                 wm_gesture_tag_redraw(C);
2289         }
2290         else if (event->type == EVT_MODAL_MAP) {
2291                 switch (event->val) {
2292                         case GESTURE_MODAL_BEGIN:
2293                                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2294                                         gesture->mode = 1;
2295                                         wm_gesture_tag_redraw(C);
2296                                 }
2297                                 break;
2298                         case GESTURE_MODAL_SELECT:
2299                         case GESTURE_MODAL_DESELECT:
2300                         case GESTURE_MODAL_IN:
2301                         case GESTURE_MODAL_OUT:
2302                                 if (border_apply(C, op, event->val)) {
2303                                         wm_gesture_end(C, op);
2304                                         return OPERATOR_FINISHED;
2305                                 }
2306                                 wm_gesture_end(C, op);
2307                                 return OPERATOR_CANCELLED;
2308
2309                         case GESTURE_MODAL_CANCEL:
2310                                 wm_gesture_end(C, op);
2311                                 return OPERATOR_CANCELLED;
2312                 }
2313
2314         }
2315 #ifdef WITH_INPUT_NDOF
2316         else if (event->type == NDOF_MOTION) {
2317                 return OPERATOR_PASS_THROUGH;
2318         }
2319 #endif
2320 //      /* Allow view navigation??? */
2321 //      else {
2322 //              return OPERATOR_PASS_THROUGH;
2323 //      }
2324
2325         return OPERATOR_RUNNING_MODAL;
2326 }
2327
2328 void WM_border_select_cancel(bContext *C, wmOperator *op)
2329 {
2330         wm_gesture_end(C, op);
2331 }
2332
2333 /* **************** circle gesture *************** */
2334 /* works now only for selection or modal paint stuff, calls exec while hold mouse, exit on release */
2335
2336 #ifdef GESTURE_MEMORY
2337 int circle_select_size = 25; /* XXX - need some operator memory thing! */
2338 #endif
2339
2340 int WM_gesture_circle_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2341 {
2342         op->customdata = WM_gesture_new(C, event, WM_GESTURE_CIRCLE);
2343         
2344         /* add modal handler */
2345         WM_event_add_modal_handler(C, op);
2346         
2347         wm_gesture_tag_redraw(C);
2348         
2349         return OPERATOR_RUNNING_MODAL;
2350 }
2351
2352 static void gesture_circle_apply(bContext *C, wmOperator *op)
2353 {
2354         wmGesture *gesture = op->customdata;
2355         rcti *rect = gesture->customdata;
2356         
2357         if (RNA_int_get(op->ptr, "gesture_mode") == GESTURE_MODAL_NOP)
2358                 return;
2359
2360         /* operator arguments and storage. */
2361         RNA_int_set(op->ptr, "x", rect->xmin);
2362         RNA_int_set(op->ptr, "y", rect->ymin);
2363         RNA_int_set(op->ptr, "radius", rect->xmax);
2364         
2365         if (op->type->exec) {
2366                 int retval;
2367                 retval = op->type->exec(C, op);
2368                 OPERATOR_RETVAL_CHECK(retval);
2369         }
2370 #ifdef GESTURE_MEMORY
2371         circle_select_size = rect->xmax;
2372 #endif
2373 }
2374
2375 int WM_gesture_circle_modal(bContext *C, wmOperator *op, const wmEvent *event)
2376 {
2377         wmGesture *gesture = op->customdata;
2378         rcti *rect = gesture->customdata;
2379         int sx, sy;
2380
2381         if (event->type == MOUSEMOVE) {
2382                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2383
2384                 rect->xmin = event->x - sx;
2385                 rect->ymin = event->y - sy;
2386
2387                 wm_gesture_tag_redraw(C);
2388
2389                 if (gesture->mode)
2390                         gesture_circle_apply(C, op);
2391         }
2392         else if (event->type == EVT_MODAL_MAP) {
2393                 float fac;
2394                 
2395                 switch (event->val) {
2396                         case GESTURE_MODAL_CIRCLE_SIZE:
2397                                 fac = 0.3f * (event->y - event->prevy);
2398                                 if (fac > 0)
2399                                         rect->xmax += ceil(fac);
2400                                 else
2401                                         rect->xmax += floor(fac);
2402                                 if (rect->xmax < 1) rect->xmax = 1;
2403                                 wm_gesture_tag_redraw(C);
2404                                 break;
2405                         case GESTURE_MODAL_CIRCLE_ADD:
2406                                 rect->xmax += 2 + rect->xmax / 10;
2407                                 wm_gesture_tag_redraw(C);
2408                                 break;
2409                         case GESTURE_MODAL_CIRCLE_SUB:
2410                                 rect->xmax -= 2 + rect->xmax / 10;
2411                                 if (rect->xmax < 1) rect->xmax = 1;
2412                                 wm_gesture_tag_redraw(C);
2413                                 break;
2414                         case GESTURE_MODAL_SELECT:
2415                         case GESTURE_MODAL_DESELECT:
2416                         case GESTURE_MODAL_NOP:
2417                                 if (RNA_struct_find_property(op->ptr, "gesture_mode"))
2418                                         RNA_int_set(op->ptr, "gesture_mode", event->val);
2419
2420                                 if (event->val != GESTURE_MODAL_NOP) {
2421                                         /* apply first click */
2422                                         gesture_circle_apply(C, op);
2423                                         gesture->mode = 1;
2424                                         wm_gesture_tag_redraw(C);
2425                                 }
2426                                 break;
2427
2428                         case GESTURE_MODAL_CANCEL:
2429                         case GESTURE_MODAL_CONFIRM:
2430                                 wm_gesture_end(C, op);
2431                                 return OPERATOR_FINISHED; /* use finish or we don't get an undo */
2432                 }
2433         }
2434 #ifdef WITH_INPUT_NDOF
2435         else if (event->type == NDOF_MOTION) {
2436                 return OPERATOR_PASS_THROUGH;
2437         }
2438 #endif
2439         /* Allow view navigation??? */
2440         /* note, this gives issues: 1) other modal ops run on top (border select), 2) middlemouse is used now 3) tablet/trackpad? */
2441 //      else {
2442 //              return OPERATOR_PASS_THROUGH;
2443 //      }
2444
2445         return OPERATOR_RUNNING_MODAL;
2446 }
2447
2448 void WM_gesture_circle_cancel(bContext *C, wmOperator *op)
2449 {
2450         wm_gesture_end(C, op);
2451 }
2452
2453 #if 0
2454 /* template to copy from */
2455 void WM_OT_circle_gesture(wmOperatorType *ot)
2456 {
2457         ot->name = "Circle Gesture";
2458         ot->idname = "WM_OT_circle_gesture";
2459         ot->description = "Enter rotate mode with a circular gesture";
2460         
2461         ot->invoke = WM_gesture_circle_invoke;
2462         ot->modal = WM_gesture_circle_modal;
2463         
2464         ot->poll = WM_operator_winactive;
2465         
2466         RNA_def_property(ot->srna, "x", PROP_INT, PROP_NONE);
2467         RNA_def_property(ot->srna, "y", PROP_INT, PROP_NONE);
2468         RNA_def_property(ot->srna, "radius", PROP_INT, PROP_NONE);
2469
2470 }
2471 #endif
2472
2473 /* **************** Tweak gesture *************** */
2474
2475 static void tweak_gesture_modal(bContext *C, const wmEvent *event)
2476 {
2477         wmWindow *window = CTX_wm_window(C);
2478         wmGesture *gesture = window->tweak;
2479         rcti *rect = gesture->customdata;
2480         int sx, sy, val;
2481         
2482         switch (event->type) {
2483                 case MOUSEMOVE:
2484                 case INBETWEEN_MOUSEMOVE:
2485                         
2486                         wm_subwindow_origin_get(window, gesture->swinid, &sx, &sy);
2487                         
2488                         rect->xmax = event->x - sx;
2489                         rect->ymax = event->y - sy;
2490                         
2491                         if ((val = wm_gesture_evaluate(gesture))) {
2492                                 wmEvent tevent;
2493
2494                                 wm_event_init_from_window(window, &tevent);
2495                                 /* We want to get coord from start of drag, not from point where it becomes a tweak event, see T40549 */
2496                                 tevent.x = rect->xmin + sx;
2497                                 tevent.y = rect->ymin + sy;
2498                                 if (gesture->event_type == LEFTMOUSE)
2499                                         tevent.type = EVT_TWEAK_L;
2500                                 else if (gesture->event_type == RIGHTMOUSE)
2501                                         tevent.type = EVT_TWEAK_R;
2502                                 else
2503                                         tevent.type = EVT_TWEAK_M;
2504                                 tevent.val = val;
2505                                 /* mouse coords! */
2506
2507                                 /* important we add immediately after this event, so future mouse releases
2508                                  * (which may be in the queue already), are handled in order, see T44740 */
2509                                 wm_event_add_ex(window, &tevent, event);
2510                                 
2511                                 WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2512                         }
2513                         
2514                         break;
2515                         
2516                 case LEFTMOUSE:
2517                 case RIGHTMOUSE:
2518                 case MIDDLEMOUSE:
2519                         if (gesture->event_type == event->type) {
2520                                 WM_gesture_end(C, gesture);
2521
2522                                 /* when tweak fails we should give the other keymap entries a chance */
2523
2524                                 /* XXX, assigning to readonly, BAD JUJU! */
2525                                 ((wmEvent *)event)->val = KM_RELEASE;
2526                         }
2527                         break;
2528                 default:
2529                         if (!ISTIMER(event->type) && event->type != EVENT_NONE) {
2530                                 WM_gesture_end(C, gesture);
2531                         }
2532                         break;
2533         }
2534 }
2535
2536 /* standard tweak, called after window handlers passed on event */
2537 void wm_tweakevent_test(bContext *C, wmEvent *event, int action)
2538 {
2539         wmWindow *win = CTX_wm_window(C);
2540         
2541         if (win->tweak == NULL) {
2542                 if (CTX_wm_region(C)) {
2543                         if (event->val == KM_PRESS) {
2544                                 if (ELEM(event->type, LEFTMOUSE, MIDDLEMOUSE, RIGHTMOUSE)) {
2545                                         win->tweak = WM_gesture_new(C, event, WM_GESTURE_TWEAK);
2546                                 }
2547                         }
2548                 }
2549         }
2550         else {
2551                 /* no tweaks if event was handled */
2552                 if ((action & WM_HANDLER_BREAK)) {
2553                         WM_gesture_end(C, win->tweak);
2554                 }
2555                 else
2556                         tweak_gesture_modal(C, event);
2557         }
2558 }
2559
2560 /* *********************** lasso gesture ****************** */
2561
2562 int WM_gesture_lasso_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2563 {
2564         PropertyRNA *prop;
2565
2566         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LASSO);
2567         
2568         /* add modal handler */
2569         WM_event_add_modal_handler(C, op);
2570         
2571         wm_gesture_tag_redraw(C);
2572         
2573         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2574                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2575         }
2576         
2577         return OPERATOR_RUNNING_MODAL;
2578 }
2579
2580 int WM_gesture_lines_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2581 {
2582         PropertyRNA *prop;
2583
2584         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LINES);
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
2599 static void gesture_lasso_apply(bContext *C, wmOperator *op)
2600 {
2601         wmGesture *gesture = op->customdata;
2602         PointerRNA itemptr;
2603         float loc[2];
2604         int i;
2605         const short *lasso = gesture->customdata;
2606         
2607         /* operator storage as path. */
2608
2609         RNA_collection_clear(op->ptr, "path");
2610         for (i = 0; i < gesture->points; i++, lasso += 2) {
2611                 loc[0] = lasso[0];
2612                 loc[1] = lasso[1];
2613                 RNA_collection_add(op->ptr, "path", &itemptr);
2614                 RNA_float_set_array(&itemptr, "loc", loc);
2615         }
2616         
2617         wm_gesture_end(C, op);
2618                 
2619         if (op->type->exec) {
2620                 int retval = op->type->exec(C, op);
2621                 OPERATOR_RETVAL_CHECK(retval);
2622         }
2623 }
2624
2625 int WM_gesture_lasso_modal(bContext *C, wmOperator *op, const wmEvent *event)
2626 {
2627         wmGesture *gesture = op->customdata;
2628         int sx, sy;
2629         
2630         switch (event->type) {
2631                 case MOUSEMOVE:
2632                 case INBETWEEN_MOUSEMOVE:
2633                         
2634                         wm_gesture_tag_redraw(C);
2635                         
2636                         wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2637
2638                         if (gesture->points == gesture->size) {
2639                                 short *old_lasso = gesture->customdata;
2640                                 gesture->customdata = MEM_callocN(2 * sizeof(short) * (gesture->size + WM_LASSO_MIN_POINTS), "lasso points");
2641                                 memcpy(gesture->customdata, old_lasso, 2 * sizeof(short) * gesture->size);
2642                                 gesture->size = gesture->size + WM_LASSO_MIN_POINTS;
2643                                 MEM_freeN(old_lasso);
2644                                 // printf("realloc\n");
2645                         }
2646
2647                         {
2648                                 int x, y;
2649                                 short *lasso = gesture->customdata;
2650                                 
2651                                 lasso += (2 * gesture->points - 2);
2652                                 x = (event->x - sx - lasso[0]);
2653                                 y = (event->y - sy - lasso[1]);
2654                                 
2655                                 /* make a simple distance check to get a smoother lasso
2656                                  * add only when at least 2 pixels between this and previous location */
2657                                 if ((x * x + y * y) > 4) {
2658                                         lasso += 2;
2659                                         lasso[0] = event->x - sx;
2660                                         lasso[1] = event->y - sy;
2661                                         gesture->points++;
2662                                 }
2663                         }
2664                         break;
2665                         
2666                 case LEFTMOUSE:
2667                 case MIDDLEMOUSE:
2668                 case RIGHTMOUSE:
2669                         if (event->val == KM_RELEASE) {   /* key release */
2670                                 gesture_lasso_apply(C, op);
2671                                 return OPERATOR_FINISHED;
2672                         }
2673                         break;
2674                 case ESCKEY:
2675                         wm_gesture_end(C, op);
2676                         return OPERATOR_CANCELLED;
2677         }
2678         return OPERATOR_RUNNING_MODAL;
2679 }
2680
2681 int WM_gesture_lines_modal(bContext *C, wmOperator *op, const wmEvent *event)
2682 {
2683         return WM_gesture_lasso_modal(C, op, event);
2684 }
2685
2686 void WM_gesture_lasso_cancel(bContext *C, wmOperator *op)
2687 {
2688         wm_gesture_end(C, op);
2689 }
2690
2691 void WM_gesture_lines_cancel(bContext *C, wmOperator *op)
2692 {
2693         wm_gesture_end(C, op);
2694 }
2695
2696 /**
2697  * helper function, we may want to add options for conversion to view space
2698  *
2699  * caller must free.
2700  */
2701 const int (*WM_gesture_lasso_path_to_array(bContext *UNUSED(C), wmOperator *op, int *mcords_tot))[2]
2702 {
2703         PropertyRNA *prop = RNA_struct_find_property(op->ptr, "path");
2704         int (*mcords)[2] = NULL;
2705         BLI_assert(prop != NULL);
2706
2707         if (prop) {
2708                 const int len = RNA_property_collection_length(op->ptr, prop);
2709
2710                 if (len) {
2711                         int i = 0;
2712                         mcords = MEM_mallocN(sizeof(int) * 2 * len, __func__);
2713
2714                         RNA_PROP_BEGIN (op->ptr, itemptr, prop)
2715                         {
2716                                 float loc[2];
2717
2718                                 RNA_float_get_array(&itemptr, "loc", loc);
2719                                 mcords[i][0] = (int)loc[0];
2720                                 mcords[i][1] = (int)loc[1];
2721                                 i++;
2722                         }
2723                         RNA_PROP_END;
2724                 }
2725                 *mcords_tot = len;
2726         }
2727         else {
2728                 *mcords_tot = 0;
2729         }
2730
2731         /* cast for 'const' */
2732         return (const int (*)[2])mcords;
2733 }
2734
2735 #if 0
2736 /* template to copy from */
2737
2738 static int gesture_lasso_exec(bContext *C, wmOperator *op)
2739 {
2740         RNA_BEGIN (op->ptr, itemptr, "path")
2741         {
2742                 float loc[2];
2743                 
2744                 RNA_float_get_array(&itemptr, "loc", loc);
2745                 printf("Location: %f %f\n", loc[0], loc[1]);
2746         }
2747         RNA_END;
2748         
2749         return OPERATOR_FINISHED;
2750 }
2751
2752 void WM_OT_lasso_gesture(wmOperatorType *ot)
2753 {
2754         PropertyRNA *prop;
2755         
2756         ot->name = "Lasso Gesture";
2757         ot->idname = "WM_OT_lasso_gesture";
2758         ot->description = "Select objects within the lasso as you move the pointer";
2759         
2760         ot->invoke = WM_gesture_lasso_invoke;
2761         ot->modal = WM_gesture_lasso_modal;
2762         ot->exec = gesture_lasso_exec;
2763         
2764         ot->poll = WM_operator_winactive;
2765         
2766         prop = RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
2767         RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
2768 }
2769 #endif
2770
2771 /* *********************** straight line gesture ****************** */
2772
2773 static int straightline_apply(bContext *C, wmOperator *op)
2774 {
2775         wmGesture *gesture = op->customdata;
2776         rcti *rect = gesture->customdata;
2777         
2778         if (rect->xmin == rect->xmax && rect->ymin == rect->ymax)
2779                 return 0;
2780         
2781         /* operator arguments and storage. */
2782         RNA_int_set(op->ptr, "xstart", rect->xmin);
2783         RNA_int_set(op->ptr, "ystart", rect->ymin);
2784         RNA_int_set(op->ptr, "xend", rect->xmax);
2785         RNA_int_set(op->ptr, "yend", rect->ymax);
2786
2787         if (op->type->exec) {
2788                 int retval = op->type->exec(C, op);
2789                 OPERATOR_RETVAL_CHECK(retval);
2790         }
2791         
2792         return 1;
2793 }
2794
2795
2796 int WM_gesture_straightline_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2797 {
2798         PropertyRNA *prop;
2799
2800         op->customdata = WM_gesture_new(C, event, WM_GESTURE_STRAIGHTLINE);
2801         
2802         /* add modal handler */
2803         WM_event_add_modal_handler(C, op);
2804         
2805         wm_gesture_tag_redraw(C);
2806         
2807         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2808                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2809         }
2810                 
2811         return OPERATOR_RUNNING_MODAL;
2812 }
2813
2814 int WM_gesture_straightline_modal(bContext *C, wmOperator *op, const wmEvent *event)
2815 {
2816         wmGesture *gesture = op->customdata;
2817         rcti *rect = gesture->customdata;
2818         int sx, sy;
2819         
2820         if (event->type == MOUSEMOVE) {
2821                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2822                 
2823                 if (gesture->mode == 0) {
2824                         rect->xmin = rect->xmax = event->x - sx;
2825                         rect->ymin = rect->ymax = event->y - sy;
2826                 }
2827                 else {
2828                         rect->xmax = event->x - sx;
2829                         rect->ymax = event->y - sy;
2830                         straightline_apply(C, op);
2831                 }
2832                 
2833                 wm_gesture_tag_redraw(C);
2834         }
2835         else if (event->type == EVT_MODAL_MAP) {
2836                 switch (event->val) {
2837                         case GESTURE_MODAL_BEGIN:
2838                                 if (gesture->mode == 0) {
2839                                         gesture->mode = 1;
2840                                         wm_gesture_tag_redraw(C);
2841                                 }
2842                                 break;
2843                         case GESTURE_MODAL_SELECT:
2844                                 if (straightline_apply(C, op)) {
2845                                         wm_gesture_end(C, op);
2846                                         return OPERATOR_FINISHED;
2847                                 }
2848                                 wm_gesture_end(C, op);
2849                                 return OPERATOR_CANCELLED;
2850                                 
2851                         case GESTURE_MODAL_CANCEL:
2852                                 wm_gesture_end(C, op);
2853                                 return OPERATOR_CANCELLED;
2854                 }
2855                 
2856         }
2857
2858         return OPERATOR_RUNNING_MODAL;
2859 }
2860
2861 void WM_gesture_straightline_cancel(bContext *C, wmOperator *op)
2862 {
2863         wm_gesture_end(C, op);
2864 }
2865
2866 #if 0
2867 /* template to copy from */
2868 void WM_OT_straightline_gesture(wmOperatorType *ot)
2869 {
2870         PropertyRNA *prop;
2871         
2872         ot->name = "Straight Line Gesture";
2873         ot->idname = "WM_OT_straightline_gesture";
2874         ot->description = "Draw a straight line as you move the pointer";
2875         
2876         ot->invoke = WM_gesture_straightline_invoke;
2877         ot->modal = WM_gesture_straightline_modal;
2878         ot->exec = gesture_straightline_exec;
2879         
2880         ot->poll = WM_operator_winactive;
2881         
2882         WM_operator_properties_gesture_straightline(ot, 0);
2883 }
2884 #endif
2885
2886 /* *********************** radial control ****************** */
2887
2888 #define WM_RADIAL_CONTROL_DISPLAY_SIZE (200 * UI_DPI_FAC)
2889 #define WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE (35 * UI_DPI_FAC)
2890 #define WM_RADIAL_CONTROL_DISPLAY_WIDTH (WM_RADIAL_CONTROL_DISPLAY_SIZE - WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE)
2891 #define WM_RADIAL_MAX_STR 10
2892
2893 typedef struct {
2894         PropertyType type;
2895         PropertySubType subtype;
2896         PointerRNA ptr, col_ptr, fill_col_ptr, rot_ptr, zoom_ptr, image_id_ptr;
2897         PointerRNA fill_col_override_ptr, fill_col_override_test_ptr;
2898         PropertyRNA *prop, *col_prop, *fill_col_prop, *rot_prop, *zoom_prop;
2899         PropertyRNA *fill_col_override_prop, *fill_col_override_test_prop;
2900         StructRNA *image_id_srna;
2901         float initial_value, current_value, min_value, max_value;
2902         int initial_mouse[2];
2903         int slow_mouse[2];
2904         bool slow_mode;
2905         Dial *dial;
2906         unsigned int gltex;
2907         ListBase orig_paintcursors;
2908         bool use_secondary_tex;
2909         void *cursor;
2910         NumInput num_input;
2911 } RadialControl;
2912
2913 static void radial_control_update_header(wmOperator *op, bContext *C)
2914 {
2915         RadialControl *rc = op->customdata;
2916         char msg[UI_MAX_DRAW_STR];
2917         ScrArea *sa = CTX_wm_area(C);
2918         Scene *scene = CTX_data_scene(C);
2919         
2920         if (sa) {
2921                 if (hasNumInput(&rc->num_input)) {
2922                         char num_str[NUM_STR_REP_LEN];
2923                         outputNumInput(&rc->num_input, num_str, &scene->unit);
2924                         BLI_snprintf(msg, sizeof(msg), "%s: %s", RNA_property_ui_name(rc->prop), num_str);
2925                 }
2926                 else {
2927                         const char *ui_name = RNA_property_ui_name(rc->prop);
2928                         switch (rc->subtype) {
2929                                 case PROP_NONE:
2930                                 case PROP_DISTANCE:
2931                                         BLI_snprintf(msg, sizeof(msg), "%s: %0.4f", ui_name, rc->current_value);
2932                                         break;
2933                                 case PROP_PIXEL:
2934                                         BLI_snprintf(msg, sizeof(msg), "%s: %d", ui_name, (int)rc->current_value); /* XXX: round to nearest? */
2935                                         break;
2936                                 case PROP_PERCENTAGE:
2937                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.1f%%", ui_name, rc->current_value);
2938                                         break;
2939                                 case PROP_FACTOR:
2940                                         BLI_snprintf(msg, sizeof(msg), "%s: %1.3f", ui_name, rc->current_value);
2941                                         break;
2942                                 case PROP_ANGLE:
2943                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.2f", ui_name, RAD2DEGF(rc->current_value));
2944                                         break;
2945                                 default:
2946                                         BLI_snprintf(msg, sizeof(msg), "%s", ui_name); /* XXX: No value? */
2947                                         break;
2948                         }
2949                 }
2950                 ED_area_headerprint(sa, msg);
2951         }
2952 }
2953
2954 static void radial_control_set_initial_mouse(RadialControl *rc, const wmEvent *event)
2955 {
2956         float d[2] = {0, 0};
2957         float zoom[2] = {1, 1};
2958
2959         rc->initial_mouse[0] = event->x;
2960         rc->initial_mouse[1] = event->y;
2961
2962         switch (rc->subtype) {
2963                 case PROP_NONE:
2964                 case PROP_DISTANCE:
2965                 case PROP_PIXEL:
2966                         d[0] = rc->initial_value;
2967                         break;
2968                 case PROP_PERCENTAGE:
2969                         d[0] = (rc->initial_value) / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2970                         break;
2971                 case PROP_FACTOR:
2972                         d[0] = (1 - rc->initial_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2973                         break;
2974                 case PROP_ANGLE:
2975                         d[0] = WM_RADIAL_CONTROL_DISPLAY_SIZE * cosf(rc->initial_value);
2976                         d[1] = WM_RADIAL_CONTROL_DISPLAY_SIZE * sinf(rc->initial_value);
2977                         break;
2978                 default:
2979                         return;
2980         }
2981
2982         if (rc->zoom_prop) {
2983                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
2984                 d[0] *= zoom[0];
2985                 d[1] *= zoom[1];
2986         }
2987
2988         rc->initial_mouse[0] -= d[0];
2989         rc->initial_mouse[1] -= d[1];
2990 }
2991
2992 static void radial_control_set_tex(RadialControl *rc)
2993 {
2994         ImBuf *ibuf;
2995
2996         switch (RNA_type_to_ID_code(rc->image_id_ptr.type)) {
2997                 case ID_BR:
2998                         if ((ibuf = BKE_brush_gen_radial_control_imbuf(rc->image_id_ptr.data, rc->use_secondary_tex))) {
2999                                 glGenTextures(1, &rc->gltex);
3000                                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
3001                                 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, ibuf->x, ibuf->y, 0,
3002                                              GL_ALPHA, GL_FLOAT, ibuf->rect_float);
3003                                 MEM_freeN(ibuf->rect_float);
3004                                 MEM_freeN(ibuf);
3005                         }
3006                         break;
3007                 default:
3008                         break;
3009         }
3010 }
3011
3012 static void radial_control_paint_tex(RadialControl *rc, float radius, float alpha)
3013 {
3014         float col[3] = {0, 0, 0};
3015         float rot;
3016
3017         /* set fill color */
3018         if (rc->fill_col_prop) {
3019                 PointerRNA *fill_ptr;
3020                 PropertyRNA *fill_prop;
3021
3022                 if (rc->fill_col_override_prop &&
3023                     RNA_property_boolean_get(&rc->fill_col_override_test_ptr, rc->fill_col_override_test_prop))
3024                 {
3025                         fill_ptr = &rc->fill_col_override_ptr;
3026                         fill_prop = rc->fill_col_override_prop;
3027                 }
3028                 else {
3029                         fill_ptr = &rc->fill_col_ptr;
3030                         fill_prop = rc->fill_col_prop;
3031                 }
3032
3033                 RNA_property_float_get_array(fill_ptr, fill_prop, col);
3034         }
3035         glColor4f(col[0], col[1], col[2], alpha);
3036
3037         if (rc->gltex) {
3038                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
3039
3040                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
3041                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
3042
3043                 /* set up rotation if available */
3044                 if (rc->rot_prop) {
3045                         rot = RNA_property_float_get(&rc->rot_ptr, rc->rot_prop);
3046                         glPushMatrix();
3047                         glRotatef(RAD2DEGF(rot), 0, 0, 1);
3048                 }
3049
3050                 /* draw textured quad */
3051                 GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR);
3052                 glBegin(GL_QUADS);
3053                 glTexCoord2f(0, 0);
3054                 glVertex2f(-radius, -radius);
3055                 glTexCoord2f(1, 0);
3056                 glVertex2f(radius, -radius);
3057                 glTexCoord2f(1, 1);
3058                 glVertex2f(radius, radius);
3059                 glTexCoord2f(0, 1);
3060                 glVertex2f(-radius, radius);
3061                 glEnd();
3062                 GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
3063
3064                 /* undo rotation */
3065                 if (rc->rot_prop)
3066                         glPopMatrix();
3067         }
3068         else {
3069                 /* flat color if no texture available */
3070                 glutil_draw_filled_arc(0, M_PI * 2, radius, 40);
3071         }
3072 }
3073
3074 static void radial_control_paint_cursor(bContext *C, int x, int y, void *customdata)
3075 {
3076         RadialControl *rc = customdata;
3077         ARegion *ar = CTX_wm_region(C);
3078         uiStyle *style = UI_style_get();
3079         const uiFontStyle *fstyle = &style->widget;
3080         const int fontid = fstyle->uifont_id;
3081         short fstyle_points = fstyle->points;
3082         char str[WM_RADIAL_MAX_STR];
3083         short strdrawlen = 0;
3084         float strwidth, strheight;
3085         float r1 = 0.0f, r2 = 0.0f, rmin = 0.0, tex_radius, alpha;
3086         float zoom[2], col[3] = {1, 1, 1};      
3087
3088         switch (rc->subtype) {
3089                 case PROP_NONE:
3090                 case PROP_DISTANCE:
3091                 case PROP_PIXEL:
3092                         r1 = rc->current_value;
3093                         r2 = rc->initial_value;
3094                         tex_radius = r1;
3095                         alpha = 0.75;
3096                         break;
3097                 case PROP_PERCENTAGE:
3098                         r1 = rc->current_value / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3099                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3100                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3101                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.1f%%", rc->current_value);
3102                         strdrawlen = BLI_strlen_utf8(str);
3103                         tex_radius = r1;
3104                         alpha = 0.75;
3105                         break;
3106                 case PROP_FACTOR:
3107                         r1 = (1 - rc->current_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3108                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3109                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3110                         alpha = rc->current_value / 2.0f + 0.5f;
3111                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%1.3f", rc->current_value);
3112                         strdrawlen = BLI_strlen_utf8(str);
3113                         break;
3114                 case PROP_ANGLE:
3115                         r1 = r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3116                         alpha = 0.75;
3117                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3118                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.2f", RAD2DEGF(rc->current_value));
3119                         strdrawlen = BLI_strlen_utf8(str);
3120                         break;
3121                 default:
3122                         tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE; /* note, this is a dummy value */
3123                         alpha = 0.75;
3124                         break;
3125         }
3126
3127         /* Keep cursor in the original place */
3128         x = rc->initial_mouse[0] - ar->winrct.xmin;
3129         y = rc->initial_mouse[1] - ar->winrct.ymin;
3130         glTranslatef((float)x, (float)y, 0.0f);
3131
3132         glEnable(GL_BLEND);
3133         glEnable(GL_LINE_SMOOTH);
3134
3135         /* apply zoom if available */
3136         if (rc->zoom_prop) {
3137                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
3138                 glScalef(zoom[0], zoom[1], 1);
3139         }
3140
3141         /* draw rotated texture */
3142         radial_control_paint_tex(rc, tex_radius, alpha);
3143
3144         /* set line color */
3145         if (rc->col_prop)
3146                 RNA_property_float_get_array(&rc->col_ptr, rc->col_prop, col);
3147         glColor4f(col[0], col[1], col[2], 0.5);
3148
3149         if (rc->subtype == PROP_ANGLE) {
3150                 glPushMatrix();
3151                 /* draw original angle line */
3152                 glRotatef(RAD2DEGF(rc->initial_value), 0, 0, 1);
3153                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3154                 /* draw new angle line */
3155                 glRotatef(RAD2DEGF(rc->current_value - rc->initial_value), 0, 0, 1);
3156                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3157                 glPopMatrix();
3158         }
3159
3160         /* draw circles on top */
3161         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r1, 40);
3162         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r2, 40);
3163         if (rmin > 0.0f)
3164                 glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), rmin, 40);
3165
3166         BLF_size(fontid, 1.5 * fstyle_points * U.pixelsize, U.dpi);
3167         BLF_enable(fontid, BLF_SHADOW);
3168         BLF_shadow(fontid, 3, (const float[4]){0.0f, 0.0f, 0.0f, 0.5f});
3169         BLF_shadow_offset(fontid, 1, -1);
3170
3171         /* draw value */
3172         BLF_width_and_height(fontid, str, strdrawlen, &strwidth, &strheight);
3173         BLF_position(fontid, -0.5f * strwidth, -0.5f * strheight, 0.0f);
3174         BLF_draw(fontid, str, strdrawlen);
3175
3176         BLF_disable(fontid, BLF_SHADOW);
3177
3178         glDisable(GL_BLEND);
3179         glDisable(GL_LINE_SMOOTH);
3180 }
3181
3182 typedef enum {
3183         RC_PROP_ALLOW_MISSING = 1,
3184         RC_PROP_REQUIRE_FLOAT = 2,
3185         RC_PROP_REQUIRE_BOOL = 4,
3186 } RCPropFlags;
3187
3188 /**
3189  * Attempt to retrieve the rna pointer/property from an rna path.
3190  *
3191  * \return 0 for failure, 1 for success, and also 1 if property is not set.
3192  */
3193 static int radial_control_get_path(
3194         PointerRNA *ctx_ptr, wmOperator *op,
3195         const char *name, PointerRNA *r_ptr,
3196         PropertyRNA **r_prop, int req_length, RCPropFlags flags)
3197 {
3198         PropertyRNA *unused_prop;
3199         int len;
3200         char *str;
3201
3202         /* check flags */