Fix T48426: Use same length for all header message strings.
[blender-staging.git] / source / blender / windowmanager / intern / wm_operators.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2007 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/windowmanager/intern/wm_operators.c
28  *  \ingroup wm
29  *
30  * Functions for dealing with wmOperator, adding, removing, calling
31  * as well as some generic operators and shared operator properties.
32  */
33
34
35 #include <float.h>
36 #include <string.h>
37 #include <ctype.h>
38 #include <stdio.h>
39 #include <stddef.h>
40 #include <assert.h>
41 #include <errno.h>
42
43 #ifdef WIN32
44 #  include "GHOST_C-api.h"
45 #endif
46
47 #include "MEM_guardedalloc.h"
48
49 #include "DNA_ID.h"
50 #include "DNA_object_types.h"
51 #include "DNA_screen_types.h"
52 #include "DNA_scene_types.h"
53 #include "DNA_userdef_types.h"
54 #include "DNA_windowmanager_types.h"
55
56 #include "BLT_translation.h"
57
58 #include "PIL_time.h"
59
60 #include "BLI_blenlib.h"
61 #include "BLI_dial.h"
62 #include "BLI_dynstr.h" /*for WM_operator_pystring */
63 #include "BLI_math.h"
64 #include "BLI_utildefines.h"
65 #include "BLI_ghash.h"
66
67 #include "BLO_readfile.h"
68
69 #include "BKE_appdir.h"
70 #include "BKE_blender_version.h"
71 #include "BKE_brush.h"
72 #include "BKE_context.h"
73 #include "BKE_depsgraph.h"
74 #include "BKE_icons.h"
75 #include "BKE_idprop.h"
76 #include "BKE_image.h"
77 #include "BKE_library.h"
78 #include "BKE_library_query.h"
79 #include "BKE_global.h"
80 #include "BKE_main.h"
81 #include "BKE_material.h"
82 #include "BKE_report.h"
83 #include "BKE_scene.h"
84 #include "BKE_screen.h" /* BKE_ST_MAXNAME */
85 #include "BKE_unit.h"
86
87 #include "BKE_idcode.h"
88
89 #include "BIF_glutil.h" /* for paint cursor */
90 #include "BLF_api.h"
91
92 #include "IMB_imbuf_types.h"
93 #include "IMB_imbuf.h"
94
95 #include "ED_numinput.h"
96 #include "ED_screen.h"
97 #include "ED_util.h"
98 #include "ED_view3d.h"
99
100 #include "GPU_basic_shader.h"
101
102 #include "RNA_access.h"
103 #include "RNA_define.h"
104 #include "RNA_enum_types.h"
105
106 #include "UI_interface.h"
107 #include "UI_interface_icons.h"
108 #include "UI_resources.h"
109
110 #include "WM_api.h"
111 #include "WM_types.h"
112
113 #include "wm.h"
114 #include "wm_draw.h"
115 #include "wm_event_system.h"
116 #include "wm_event_types.h"
117 #include "wm_files.h"
118 #include "wm_subwindow.h"
119 #include "wm_window.h"
120
121 static GHash *global_ops_hash = NULL;
122
123 #define UNDOCUMENTED_OPERATOR_TIP N_("(undocumented operator)")
124
125 /* ************ operator API, exported ********** */
126
127
128 wmOperatorType *WM_operatortype_find(const char *idname, bool quiet)
129 {
130         if (idname[0]) {
131                 wmOperatorType *ot;
132
133                 /* needed to support python style names without the _OT_ syntax */
134                 char idname_bl[OP_MAX_TYPENAME];
135                 WM_operator_bl_idname(idname_bl, idname);
136
137                 ot = BLI_ghash_lookup(global_ops_hash, idname_bl);
138                 if (ot) {
139                         return ot;
140                 }
141
142                 if (!quiet) {
143                         printf("search for unknown operator '%s', '%s'\n", idname_bl, idname);
144                 }
145         }
146         else {
147                 if (!quiet) {
148                         printf("search for empty operator\n");
149                 }
150         }
151
152         return NULL;
153 }
154
155 /* caller must free */
156 void WM_operatortype_iter(GHashIterator *ghi)
157 {
158         BLI_ghashIterator_init(ghi, global_ops_hash);
159 }
160
161 /* all ops in 1 list (for time being... needs evaluation later) */
162 void WM_operatortype_append(void (*opfunc)(wmOperatorType *))
163 {
164         wmOperatorType *ot;
165         
166         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
167         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
168         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
169         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
170         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
171         opfunc(ot);
172
173         if (ot->name == NULL) {
174                 fprintf(stderr, "ERROR: Operator %s has no name property!\n", ot->idname);
175                 ot->name = N_("Dummy Name");
176         }
177
178         /* XXX All ops should have a description but for now allow them not to. */
179         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description ? ot->description : UNDOCUMENTED_OPERATOR_TIP);
180         RNA_def_struct_identifier(ot->srna, ot->idname);
181
182         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
183 }
184
185 void WM_operatortype_append_ptr(void (*opfunc)(wmOperatorType *, void *), void *userdata)
186 {
187         wmOperatorType *ot;
188
189         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
190         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
191         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
192         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
193         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
194         opfunc(ot, userdata);
195         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description ? ot->description : UNDOCUMENTED_OPERATOR_TIP);
196         RNA_def_struct_identifier(ot->srna, ot->idname);
197
198         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
199 }
200
201 /* ********************* macro operator ******************** */
202
203 typedef struct {
204         int retval;
205 } MacroData;
206
207 static void wm_macro_start(wmOperator *op)
208 {
209         if (op->customdata == NULL) {
210                 op->customdata = MEM_callocN(sizeof(MacroData), "MacroData");
211         }
212 }
213
214 static int wm_macro_end(wmOperator *op, int retval)
215 {
216         if (retval & OPERATOR_CANCELLED) {
217                 MacroData *md = op->customdata;
218
219                 if (md->retval & OPERATOR_FINISHED) {
220                         retval |= OPERATOR_FINISHED;
221                         retval &= ~OPERATOR_CANCELLED;
222                 }
223         }
224
225         /* if modal is ending, free custom data */
226         if (retval & (OPERATOR_FINISHED | OPERATOR_CANCELLED)) {
227                 if (op->customdata) {
228                         MEM_freeN(op->customdata);
229                         op->customdata = NULL;
230                 }
231         }
232
233         return retval;
234 }
235
236 /* macro exec only runs exec calls */
237 static int wm_macro_exec(bContext *C, wmOperator *op)
238 {
239         wmOperator *opm;
240         int retval = OPERATOR_FINISHED;
241         
242         wm_macro_start(op);
243
244         for (opm = op->macro.first; opm; opm = opm->next) {
245                 
246                 if (opm->type->exec) {
247                         retval = opm->type->exec(C, opm);
248                         OPERATOR_RETVAL_CHECK(retval);
249                 
250                         if (retval & OPERATOR_FINISHED) {
251                                 MacroData *md = op->customdata;
252                                 md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
253                         }
254                         else {
255                                 break; /* operator didn't finish, end macro */
256                         }
257                 }
258                 else {
259                         printf("%s: '%s' cant exec macro\n", __func__, opm->type->idname);
260                 }
261         }
262         
263         return wm_macro_end(op, retval);
264 }
265
266 static int wm_macro_invoke_internal(bContext *C, wmOperator *op, const wmEvent *event, wmOperator *opm)
267 {
268         int retval = OPERATOR_FINISHED;
269
270         /* start from operator received as argument */
271         for (; opm; opm = opm->next) {
272                 if (opm->type->invoke)
273                         retval = opm->type->invoke(C, opm, event);
274                 else if (opm->type->exec)
275                         retval = opm->type->exec(C, opm);
276
277                 OPERATOR_RETVAL_CHECK(retval);
278
279                 BLI_movelisttolist(&op->reports->list, &opm->reports->list);
280                 
281                 if (retval & OPERATOR_FINISHED) {
282                         MacroData *md = op->customdata;
283                         md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
284                 }
285                 else {
286                         break; /* operator didn't finish, end macro */
287                 }
288         }
289
290         return wm_macro_end(op, retval);
291 }
292
293 static int wm_macro_invoke(bContext *C, wmOperator *op, const wmEvent *event)
294 {
295         wm_macro_start(op);
296         return wm_macro_invoke_internal(C, op, event, op->macro.first);
297 }
298
299 static int wm_macro_modal(bContext *C, wmOperator *op, const wmEvent *event)
300 {
301         wmOperator *opm = op->opm;
302         int retval = OPERATOR_FINISHED;
303         
304         if (opm == NULL)
305                 printf("%s: macro error, calling NULL modal()\n", __func__);
306         else {
307                 retval = opm->type->modal(C, opm, event);
308                 OPERATOR_RETVAL_CHECK(retval);
309
310                 /* if we're halfway through using a tool and cancel it, clear the options [#37149] */
311                 if (retval & OPERATOR_CANCELLED) {
312                         WM_operator_properties_clear(opm->ptr);
313                 }
314
315                 /* if this one is done but it's not the last operator in the macro */
316                 if ((retval & OPERATOR_FINISHED) && opm->next) {
317                         MacroData *md = op->customdata;
318
319                         md->retval = OPERATOR_FINISHED; /* keep in mind that at least one operator finished */
320
321                         retval = wm_macro_invoke_internal(C, op, event, opm->next);
322
323                         /* if new operator is modal and also added its own handler */
324                         if (retval & OPERATOR_RUNNING_MODAL && op->opm != opm) {
325                                 wmWindow *win = CTX_wm_window(C);
326                                 wmEventHandler *handler;
327
328                                 handler = BLI_findptr(&win->modalhandlers, op, offsetof(wmEventHandler, op));
329                                 if (handler) {
330                                         BLI_remlink(&win->modalhandlers, handler);
331                                         wm_event_free_handler(handler);
332                                 }
333
334                                 /* if operator is blocking, grab cursor
335                                  * This may end up grabbing twice, but we don't care.
336                                  * */
337                                 if (op->opm->type->flag & OPTYPE_BLOCKING) {
338                                         int bounds[4] = {-1, -1, -1, -1};
339                                         const bool wrap = (
340                                                 (U.uiflag & USER_CONTINUOUS_MOUSE) &&
341                                                 ((op->opm->flag & OP_IS_MODAL_GRAB_CURSOR) || (op->opm->type->flag & OPTYPE_GRAB_CURSOR)));
342
343                                         if (wrap) {
344                                                 ARegion *ar = CTX_wm_region(C);
345                                                 if (ar) {
346                                                         bounds[0] = ar->winrct.xmin;
347                                                         bounds[1] = ar->winrct.ymax;
348                                                         bounds[2] = ar->winrct.xmax;
349                                                         bounds[3] = ar->winrct.ymin;
350                                                 }
351                                         }
352
353                                         WM_cursor_grab_enable(win, wrap, false, bounds);
354                                 }
355                         }
356                 }
357         }
358
359         return wm_macro_end(op, retval);
360 }
361
362 static void wm_macro_cancel(bContext *C, wmOperator *op)
363 {
364         /* call cancel on the current modal operator, if any */
365         if (op->opm && op->opm->type->cancel) {
366                 op->opm->type->cancel(C, op->opm);
367         }
368
369         wm_macro_end(op, OPERATOR_CANCELLED);
370 }
371
372 /* Names have to be static for now */
373 wmOperatorType *WM_operatortype_append_macro(const char *idname, const char *name, const char *description, int flag)
374 {
375         wmOperatorType *ot;
376         const char *i18n_context;
377         
378         if (WM_operatortype_find(idname, true)) {
379                 printf("%s: macro error: operator %s exists\n", __func__, idname);
380                 return NULL;
381         }
382         
383         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
384         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
385         
386         ot->idname = idname;
387         ot->name = name;
388         ot->description = description;
389         ot->flag = OPTYPE_MACRO | flag;
390         
391         ot->exec = wm_macro_exec;
392         ot->invoke = wm_macro_invoke;
393         ot->modal = wm_macro_modal;
394         ot->cancel = wm_macro_cancel;
395         ot->poll = NULL;
396
397         if (!ot->description) /* XXX All ops should have a description but for now allow them not to. */
398                 ot->description = UNDOCUMENTED_OPERATOR_TIP;
399         
400         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description);
401         RNA_def_struct_identifier(ot->srna, ot->idname);
402         /* Use i18n context from ext.srna if possible (py operators). */
403         i18n_context = ot->ext.srna ? RNA_struct_translation_context(ot->ext.srna) : BLT_I18NCONTEXT_OPERATOR_DEFAULT;
404         RNA_def_struct_translation_context(ot->srna, i18n_context);
405         ot->translation_context = i18n_context;
406
407         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
408
409         return ot;
410 }
411
412 void WM_operatortype_append_macro_ptr(void (*opfunc)(wmOperatorType *, void *), void *userdata)
413 {
414         wmOperatorType *ot;
415
416         ot = MEM_callocN(sizeof(wmOperatorType), "operatortype");
417         ot->srna = RNA_def_struct_ptr(&BLENDER_RNA, "", &RNA_OperatorProperties);
418
419         ot->flag = OPTYPE_MACRO;
420         ot->exec = wm_macro_exec;
421         ot->invoke = wm_macro_invoke;
422         ot->modal = wm_macro_modal;
423         ot->cancel = wm_macro_cancel;
424         ot->poll = NULL;
425
426         if (!ot->description)
427                 ot->description = UNDOCUMENTED_OPERATOR_TIP;
428
429         /* Set the default i18n context now, so that opfunc can redefine it if needed! */
430         RNA_def_struct_translation_context(ot->srna, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
431         ot->translation_context = BLT_I18NCONTEXT_OPERATOR_DEFAULT;
432         opfunc(ot, userdata);
433
434         RNA_def_struct_ui_text(ot->srna, ot->name, ot->description);
435         RNA_def_struct_identifier(ot->srna, ot->idname);
436
437         BLI_ghash_insert(global_ops_hash, (void *)ot->idname, ot);
438 }
439
440 wmOperatorTypeMacro *WM_operatortype_macro_define(wmOperatorType *ot, const char *idname)
441 {
442         wmOperatorTypeMacro *otmacro = MEM_callocN(sizeof(wmOperatorTypeMacro), "wmOperatorTypeMacro");
443
444         BLI_strncpy(otmacro->idname, idname, OP_MAX_TYPENAME);
445
446         /* do this on first use, since operatordefinitions might have been not done yet */
447         WM_operator_properties_alloc(&(otmacro->ptr), &(otmacro->properties), idname);
448         WM_operator_properties_sanitize(otmacro->ptr, 1);
449
450         BLI_addtail(&ot->macro, otmacro);
451
452         {
453                 /* operator should always be found but in the event its not. don't segfault */
454                 wmOperatorType *otsub = WM_operatortype_find(idname, 0);
455                 if (otsub) {
456                         RNA_def_pointer_runtime(ot->srna, otsub->idname, otsub->srna,
457                                                 otsub->name, otsub->description);
458                 }
459         }
460
461         return otmacro;
462 }
463
464 static void wm_operatortype_free_macro(wmOperatorType *ot)
465 {
466         wmOperatorTypeMacro *otmacro;
467         
468         for (otmacro = ot->macro.first; otmacro; otmacro = otmacro->next) {
469                 if (otmacro->ptr) {
470                         WM_operator_properties_free(otmacro->ptr);
471                         MEM_freeN(otmacro->ptr);
472                 }
473         }
474         BLI_freelistN(&ot->macro);
475 }
476
477 void WM_operatortype_remove_ptr(wmOperatorType *ot)
478 {
479         BLI_assert(ot == WM_operatortype_find(ot->idname, false));
480
481         RNA_struct_free(&BLENDER_RNA, ot->srna);
482
483         if (ot->last_properties) {
484                 IDP_FreeProperty(ot->last_properties);
485                 MEM_freeN(ot->last_properties);
486         }
487
488         if (ot->macro.first)
489                 wm_operatortype_free_macro(ot);
490
491         BLI_ghash_remove(global_ops_hash, ot->idname, NULL, NULL);
492
493         WM_keyconfig_update_operatortype();
494
495         MEM_freeN(ot);
496 }
497
498 bool WM_operatortype_remove(const char *idname)
499 {
500         wmOperatorType *ot = WM_operatortype_find(idname, 0);
501
502         if (ot == NULL)
503                 return false;
504
505         WM_operatortype_remove_ptr(ot);
506
507         return true;
508 }
509
510 /**
511  * Remove memory of all previously executed tools.
512  */
513 void WM_operatortype_last_properties_clear_all(void)
514 {
515         GHashIterator iter;
516
517         for (WM_operatortype_iter(&iter);
518              (!BLI_ghashIterator_done(&iter));
519              (BLI_ghashIterator_step(&iter)))
520         {
521                 wmOperatorType *ot = BLI_ghashIterator_getValue(&iter);
522
523                 if (ot->last_properties) {
524                         IDP_FreeProperty(ot->last_properties);
525                         MEM_freeN(ot->last_properties);
526                         ot->last_properties = NULL;
527                 }
528         }
529 }
530
531 /* SOME_OT_op -> some.op */
532 void WM_operator_py_idname(char *to, const char *from)
533 {
534         const char *sep = strstr(from, "_OT_");
535         if (sep) {
536                 int ofs = (sep - from);
537                 
538                 /* note, we use ascii tolower instead of system tolower, because the
539                  * latter depends on the locale, and can lead to idname mismatch */
540                 memcpy(to, from, sizeof(char) * ofs);
541                 BLI_str_tolower_ascii(to, ofs);
542
543                 to[ofs] = '.';
544                 BLI_strncpy(to + (ofs + 1), sep + 4, OP_MAX_TYPENAME - (ofs + 1));
545         }
546         else {
547                 /* should not happen but support just in case */
548                 BLI_strncpy(to, from, OP_MAX_TYPENAME);
549         }
550 }
551
552 /* some.op -> SOME_OT_op */
553 void WM_operator_bl_idname(char *to, const char *from)
554 {
555         if (from) {
556                 const char *sep = strchr(from, '.');
557
558                 if (sep) {
559                         int ofs = (sep - from);
560
561                         memcpy(to, from, sizeof(char) * ofs);
562                         BLI_str_toupper_ascii(to, ofs);
563                         strcpy(to + ofs, "_OT_");
564                         strcpy(to + (ofs + 4), sep + 1);
565                 }
566                 else {
567                         /* should not happen but support just in case */
568                         BLI_strncpy(to, from, OP_MAX_TYPENAME);
569                 }
570         }
571         else
572                 to[0] = 0;
573 }
574
575 /**
576  * Print a string representation of the operator, with the args that it runs so python can run it again.
577  *
578  * When calling from an existing wmOperator, better to use simple version:
579  * `WM_operator_pystring(C, op);`
580  *
581  * \note Both \a op and \a opptr may be `NULL` (\a op is only used for macro operators).
582  */
583 char *WM_operator_pystring_ex(bContext *C, wmOperator *op, const bool all_args, const bool macro_args,
584                               wmOperatorType *ot, PointerRNA *opptr)
585 {
586         char idname_py[OP_MAX_TYPENAME];
587
588         /* for building the string */
589         DynStr *dynstr = BLI_dynstr_new();
590         char *cstring;
591         char *cstring_args;
592
593         /* arbitrary, but can get huge string with stroke painting otherwise */
594         int max_prop_length = 10;
595
596         WM_operator_py_idname(idname_py, ot->idname);
597         BLI_dynstr_appendf(dynstr, "bpy.ops.%s(", idname_py);
598
599         if (op && op->macro.first) {
600                 /* Special handling for macros, else we only get default values in this case... */
601                 wmOperator *opm;
602                 bool first_op = true;
603
604                 opm = macro_args ? op->macro.first : NULL;
605
606                 for (; opm; opm = opm->next) {
607                         PointerRNA *opmptr = opm->ptr;
608                         PointerRNA opmptr_default;
609                         if (opmptr == NULL) {
610                                 WM_operator_properties_create_ptr(&opmptr_default, opm->type);
611                                 opmptr = &opmptr_default;
612                         }
613
614                         cstring_args = RNA_pointer_as_string_id(C, opmptr);
615                         if (first_op) {
616                                 BLI_dynstr_appendf(dynstr, "%s=%s", opm->type->idname, cstring_args);
617                                 first_op = false;
618                         }
619                         else {
620                                 BLI_dynstr_appendf(dynstr, ", %s=%s", opm->type->idname, cstring_args);
621                         }
622                         MEM_freeN(cstring_args);
623
624                         if (opmptr == &opmptr_default) {
625                                 WM_operator_properties_free(&opmptr_default);
626                         }
627                 }
628         }
629         else {
630                 /* only to get the orginal props for comparisons */
631                 PointerRNA opptr_default;
632                 const bool macro_args_test = ot->macro.first ? macro_args : true;
633
634                 if (opptr == NULL) {
635                         WM_operator_properties_create_ptr(&opptr_default, ot);
636                         opptr = &opptr_default;
637                 }
638
639                 cstring_args = RNA_pointer_as_string_keywords(C, opptr, false, all_args, macro_args_test, max_prop_length);
640                 BLI_dynstr_append(dynstr, cstring_args);
641                 MEM_freeN(cstring_args);
642
643                 if (opptr == &opptr_default) {
644                         WM_operator_properties_free(&opptr_default);
645                 }
646         }
647
648         BLI_dynstr_append(dynstr, ")");
649
650         cstring = BLI_dynstr_get_cstring(dynstr);
651         BLI_dynstr_free(dynstr);
652         return cstring;
653 }
654
655 char *WM_operator_pystring(bContext *C, wmOperator *op,
656                            const bool all_args, const bool macro_args)
657 {
658         return WM_operator_pystring_ex(C, op, all_args, macro_args, op->type, op->ptr);
659 }
660
661
662 /**
663  * \return true if the string was shortened
664  */
665 bool WM_operator_pystring_abbreviate(char *str, int str_len_max)
666 {
667         const int str_len = strlen(str);
668         const char *parens_start = strchr(str, '(');
669
670         if (parens_start) {
671                 const int parens_start_pos = parens_start - str;
672                 const char *parens_end = strrchr(parens_start + 1, ')');
673
674                 if (parens_end) {
675                         const int parens_len = parens_end - parens_start;
676
677                         if (parens_len > str_len_max) {
678                                 const char *comma_first = strchr(parens_start, ',');
679
680                                 /* truncate after the first comma */
681                                 if (comma_first) {
682                                         const char end_str[] = " ... )";
683                                         const int end_str_len = sizeof(end_str) - 1;
684
685                                         /* leave a place for the first argument*/
686                                         const int new_str_len = (comma_first - parens_start) + 1;
687
688                                         if (str_len >= new_str_len + parens_start_pos + end_str_len + 1) {
689                                                 /* append " ... )" to the string after the comma */
690                                                 memcpy(str + new_str_len + parens_start_pos, end_str, end_str_len + 1);
691
692                                                 return true;
693                                         }
694                                 }
695                         }
696                 }
697         }
698
699         return false;
700 }
701
702 /* return NULL if no match is found */
703 #if 0
704 static char *wm_prop_pystring_from_context(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
705 {
706
707         /* loop over all context items and do 2 checks
708          *
709          * - see if the pointer is in the context.
710          * - see if the pointers ID is in the context.
711          */
712
713         /* don't get from the context store since this is normally set only for the UI and not usable elsewhere */
714         ListBase lb = CTX_data_dir_get_ex(C, false, true, true);
715         LinkData *link;
716
717         const char *member_found = NULL;
718         const char *member_id = NULL;
719
720         char *prop_str = NULL;
721         char *ret = NULL;
722
723
724         for (link = lb.first; link; link = link->next) {
725                 const char *identifier = link->data;
726                 PointerRNA ctx_item_ptr = {{0}} // CTX_data_pointer_get(C, identifier); // XXX, this isnt working
727
728                 if (ctx_item_ptr.type == NULL) {
729                         continue;
730                 }
731
732                 if (ptr->id.data == ctx_item_ptr.id.data) {
733                         if ((ptr->data == ctx_item_ptr.data) &&
734                             (ptr->type == ctx_item_ptr.type))
735                         {
736                                 /* found! */
737                                 member_found = identifier;
738                                 break;
739                         }
740                         else if (RNA_struct_is_ID(ctx_item_ptr.type)) {
741                                 /* we found a reference to this ID,
742                                  * so fallback to it if there is no direct reference */
743                                 member_id = identifier;
744                         }
745                 }
746         }
747
748         if (member_found) {
749                 prop_str = RNA_path_property_py(ptr, prop, index);
750                 if (prop_str) {
751                         ret = BLI_sprintfN("bpy.context.%s.%s", member_found, prop_str);
752                         MEM_freeN(prop_str);
753                 }
754         }
755         else if (member_id) {
756                 prop_str = RNA_path_struct_property_py(ptr, prop, index);
757                 if (prop_str) {
758                         ret = BLI_sprintfN("bpy.context.%s.%s", member_id, prop_str);
759                         MEM_freeN(prop_str);
760                 }
761         }
762
763         BLI_freelistN(&lb);
764
765         return ret;
766 }
767 #else
768
769 /* use hard coded checks for now */
770 static char *wm_prop_pystring_from_context(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
771 {
772         const char *member_id = NULL;
773
774         char *prop_str = NULL;
775         char *ret = NULL;
776
777         if (ptr->id.data) {
778
779 #define CTX_TEST_PTR_ID(C, member, idptr) \
780                 { \
781                         const char *ctx_member = member; \
782                         PointerRNA ctx_item_ptr = CTX_data_pointer_get(C, ctx_member); \
783                         if (ctx_item_ptr.id.data == idptr) { \
784                                 member_id = ctx_member; \
785                                 break; \
786                         } \
787                 } (void)0
788
789 #define CTX_TEST_PTR_ID_CAST(C, member, member_full, cast, idptr) \
790                 { \
791                         const char *ctx_member = member; \
792                         const char *ctx_member_full = member_full; \
793                         PointerRNA ctx_item_ptr = CTX_data_pointer_get(C, ctx_member); \
794                         if (ctx_item_ptr.id.data && cast(ctx_item_ptr.id.data) == idptr) { \
795                                 member_id = ctx_member_full; \
796                                 break; \
797                         } \
798                 } (void)0
799
800 #define CTX_TEST_PTR_DATA_TYPE(C, member, rna_type, rna_ptr, dataptr_cmp) \
801                 { \
802                         const char *ctx_member = member; \
803                         if (RNA_struct_is_a((ptr)->type, &(rna_type)) && (ptr)->data == (dataptr_cmp)) { \
804                                 member_id = ctx_member; \
805                                 break; \
806                         } \
807                 } (void)0
808
809                 switch (GS(((ID *)ptr->id.data)->name)) {
810                         case ID_SCE:
811                         {
812                                 CTX_TEST_PTR_ID(C, "scene", ptr->id.data);
813                                 break;
814                         }
815                         case ID_OB:
816                         {
817                                 CTX_TEST_PTR_ID(C, "object", ptr->id.data);
818                                 break;
819                         }
820                         /* from rna_Main_objects_new */
821                         case OB_DATA_SUPPORT_ID_CASE:
822                         {
823 #define ID_CAST_OBDATA(id_pt) (((Object *)(id_pt))->data)
824                                 CTX_TEST_PTR_ID_CAST(C, "object", "object.data", ID_CAST_OBDATA, ptr->id.data);
825                                 break;
826 #undef ID_CAST_OBDATA
827                         }
828                         case ID_MA:
829                         {
830 #define ID_CAST_OBMATACT(id_pt) (give_current_material(((Object *)id_pt), ((Object *)id_pt)->actcol))
831                                 CTX_TEST_PTR_ID_CAST(C, "object", "object.active_material", ID_CAST_OBMATACT, ptr->id.data);
832                                 break;
833 #undef ID_CAST_OBMATACT
834                         }
835                         case ID_WO:
836                         {
837 #define ID_CAST_SCENEWORLD(id_pt) (((Scene *)(id_pt))->world)
838                                 CTX_TEST_PTR_ID_CAST(C, "scene", "scene.world", ID_CAST_SCENEWORLD, ptr->id.data);
839                                 break;
840 #undef ID_CAST_SCENEWORLD
841                         }
842                         case ID_SCR:
843                         {
844                                 CTX_TEST_PTR_ID(C, "screen", ptr->id.data);
845
846                                 CTX_TEST_PTR_DATA_TYPE(C, "space_data", RNA_Space, ptr, CTX_wm_space_data(C));
847                                 CTX_TEST_PTR_DATA_TYPE(C, "area", RNA_Area, ptr, CTX_wm_area(C));
848                                 CTX_TEST_PTR_DATA_TYPE(C, "region", RNA_Region, ptr, CTX_wm_region(C));
849
850                                 break;
851                         }
852                 }
853
854                 if (member_id) {
855                         prop_str = RNA_path_struct_property_py(ptr, prop, index);
856                         if (prop_str) {
857                                 ret = BLI_sprintfN("bpy.context.%s.%s", member_id, prop_str);
858                                 MEM_freeN(prop_str);
859                         }
860                 }
861 #undef CTX_TEST_PTR_ID
862 #undef CTX_TEST_PTR_ID_CAST
863         }
864
865         return ret;
866 }
867 #endif
868
869 char *WM_prop_pystring_assign(bContext *C, PointerRNA *ptr, PropertyRNA *prop, int index)
870 {
871         char *lhs, *rhs, *ret;
872
873         lhs = C ? wm_prop_pystring_from_context(C, ptr, prop, index) : NULL;
874
875         if (lhs == NULL) {
876                 /* fallback to bpy.data.foo[id] if we dont find in the context */
877                 lhs = RNA_path_full_property_py(ptr, prop, index);
878         }
879
880         if (!lhs) {
881                 return NULL;
882         }
883
884         rhs = RNA_property_as_string(C, ptr, prop, index, INT_MAX);
885         if (!rhs) {
886                 MEM_freeN(lhs);
887                 return NULL;
888         }
889
890         ret = BLI_sprintfN("%s = %s", lhs, rhs);
891         MEM_freeN(lhs);
892         MEM_freeN(rhs);
893         return ret;
894 }
895
896 void WM_operator_properties_create_ptr(PointerRNA *ptr, wmOperatorType *ot)
897 {
898         RNA_pointer_create(NULL, ot->srna, NULL, ptr);
899 }
900
901 void WM_operator_properties_create(PointerRNA *ptr, const char *opstring)
902 {
903         wmOperatorType *ot = WM_operatortype_find(opstring, 0);
904
905         if (ot)
906                 WM_operator_properties_create_ptr(ptr, ot);
907         else
908                 RNA_pointer_create(NULL, &RNA_OperatorProperties, NULL, ptr);
909 }
910
911 /* similar to the function above except its uses ID properties
912  * used for keymaps and macros */
913 void WM_operator_properties_alloc(PointerRNA **ptr, IDProperty **properties, const char *opstring)
914 {
915         if (*properties == NULL) {
916                 IDPropertyTemplate val = {0};
917                 *properties = IDP_New(IDP_GROUP, &val, "wmOpItemProp");
918         }
919
920         if (*ptr == NULL) {
921                 *ptr = MEM_callocN(sizeof(PointerRNA), "wmOpItemPtr");
922                 WM_operator_properties_create(*ptr, opstring);
923         }
924
925         (*ptr)->data = *properties;
926
927 }
928
929 void WM_operator_properties_sanitize(PointerRNA *ptr, const bool no_context)
930 {
931         RNA_STRUCT_BEGIN (ptr, prop)
932         {
933                 switch (RNA_property_type(prop)) {
934                         case PROP_ENUM:
935                                 if (no_context)
936                                         RNA_def_property_flag(prop, PROP_ENUM_NO_CONTEXT);
937                                 else
938                                         RNA_def_property_clear_flag(prop, PROP_ENUM_NO_CONTEXT);
939                                 break;
940                         case PROP_POINTER:
941                         {
942                                 StructRNA *ptype = RNA_property_pointer_type(ptr, prop);
943
944                                 /* recurse into operator properties */
945                                 if (RNA_struct_is_a(ptype, &RNA_OperatorProperties)) {
946                                         PointerRNA opptr = RNA_property_pointer_get(ptr, prop);
947                                         WM_operator_properties_sanitize(&opptr, no_context);
948                                 }
949                                 break;
950                         }
951                         default:
952                                 break;
953                 }
954         }
955         RNA_STRUCT_END;
956 }
957
958
959 /** set all props to their default,
960  * \param do_update Only update un-initialized props.
961  *
962  * \note, theres nothing specific to operators here.
963  * this could be made a general function.
964  */
965 bool WM_operator_properties_default(PointerRNA *ptr, const bool do_update)
966 {
967         bool changed = false;
968         RNA_STRUCT_BEGIN (ptr, prop)
969         {
970                 switch (RNA_property_type(prop)) {
971                         case PROP_POINTER:
972                         {
973                                 StructRNA *ptype = RNA_property_pointer_type(ptr, prop);
974                                 if (ptype != &RNA_Struct) {
975                                         PointerRNA opptr = RNA_property_pointer_get(ptr, prop);
976                                         changed |= WM_operator_properties_default(&opptr, do_update);
977                                 }
978                                 break;
979                         }
980                         default:
981                                 if ((do_update == false) || (RNA_property_is_set(ptr, prop) == false)) {
982                                         if (RNA_property_reset(ptr, prop, -1)) {
983                                                 changed = true;
984                                         }
985                                 }
986                                 break;
987                 }
988         }
989         RNA_STRUCT_END;
990
991         return changed;
992 }
993
994 /* remove all props without PROP_SKIP_SAVE */
995 void WM_operator_properties_reset(wmOperator *op)
996 {
997         if (op->ptr->data) {
998                 PropertyRNA *iterprop;
999                 iterprop = RNA_struct_iterator_property(op->type->srna);
1000
1001                 RNA_PROP_BEGIN (op->ptr, itemptr, iterprop)
1002                 {
1003                         PropertyRNA *prop = itemptr.data;
1004
1005                         if ((RNA_property_flag(prop) & PROP_SKIP_SAVE) == 0) {
1006                                 const char *identifier = RNA_property_identifier(prop);
1007                                 RNA_struct_idprops_unset(op->ptr, identifier);
1008                         }
1009                 }
1010                 RNA_PROP_END;
1011         }
1012 }
1013
1014 void WM_operator_properties_clear(PointerRNA *ptr)
1015 {
1016         IDProperty *properties = ptr->data;
1017
1018         if (properties) {
1019                 IDP_ClearProperty(properties);
1020         }
1021 }
1022
1023 void WM_operator_properties_free(PointerRNA *ptr)
1024 {
1025         IDProperty *properties = ptr->data;
1026
1027         if (properties) {
1028                 IDP_FreeProperty(properties);
1029                 MEM_freeN(properties);
1030                 ptr->data = NULL; /* just in case */
1031         }
1032 }
1033
1034 /* ************ default op callbacks, exported *********** */
1035
1036 void WM_operator_view3d_unit_defaults(struct bContext *C, struct wmOperator *op)
1037 {
1038         if (op->flag & OP_IS_INVOKE) {
1039                 Scene *scene = CTX_data_scene(C);
1040                 View3D *v3d = CTX_wm_view3d(C);
1041
1042                 const float dia = v3d ? ED_view3d_grid_scale(scene, v3d, NULL) : ED_scene_grid_scale(scene, NULL);
1043
1044                 /* always run, so the values are initialized,
1045                  * otherwise we may get differ behavior when (dia != 1.0) */
1046                 RNA_STRUCT_BEGIN (op->ptr, prop)
1047                 {
1048                         if (RNA_property_type(prop) == PROP_FLOAT) {
1049                                 PropertySubType pstype = RNA_property_subtype(prop);
1050                                 if (pstype == PROP_DISTANCE) {
1051                                         /* we don't support arrays yet */
1052                                         BLI_assert(RNA_property_array_check(prop) == false);
1053                                         /* initialize */
1054                                         if (!RNA_property_is_set_ex(op->ptr, prop, false)) {
1055                                                 const float value = RNA_property_float_get_default(op->ptr, prop) * dia;
1056                                                 RNA_property_float_set(op->ptr, prop, value);
1057                                         }
1058                                 }
1059                         }
1060                 }
1061                 RNA_STRUCT_END;
1062         }
1063 }
1064
1065 int WM_operator_smooth_viewtx_get(const wmOperator *op)
1066 {
1067         return (op->flag & OP_IS_INVOKE) ? U.smooth_viewtx : 0;
1068 }
1069
1070 /* invoke callback, uses enum property named "type" */
1071 int WM_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
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, WM_OP_INVOKE_REGION_WIN);
1094                 uiItemsFullEnumO(layout, op->type->idname, RNA_property_identifier(prop), op->ptr->data, WM_OP_EXEC_REGION_WIN, 0);
1095                 UI_popup_menu_end(C, pup);
1096                 return OPERATOR_INTERFACE;
1097         }
1098
1099         return OPERATOR_CANCELLED;
1100 }
1101
1102
1103 /* generic enum search invoke popup */
1104 static uiBlock *wm_enum_search_menu(bContext *C, ARegion *ar, void *arg_op)
1105 {
1106         static char search[256] = "";
1107         wmEvent event;
1108         wmWindow *win = CTX_wm_window(C);
1109         uiBlock *block;
1110         uiBut *but;
1111         wmOperator *op = (wmOperator *)arg_op;
1112
1113         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1114         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1115
1116 #if 0 /* ok, this isn't so easy... */
1117         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, "");
1118 #endif
1119         but = uiDefSearchButO_ptr(block, op->type, op->ptr->data, search, 0, ICON_VIEWZOOM, sizeof(search),
1120                                   10, 10, UI_searchbox_size_x(), UI_UNIT_Y, 0, 0, "");
1121
1122         /* fake button, it holds space for search items */
1123         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);
1124
1125         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1126
1127         wm_event_init_from_window(win, &event);
1128         event.type = EVT_BUT_OPEN;
1129         event.val = KM_PRESS;
1130         event.customdata = but;
1131         event.customdatafree = false;
1132         wm_event_add(win, &event);
1133
1134         return block;
1135 }
1136
1137
1138 int WM_enum_search_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1139 {
1140         UI_popup_block_invoke(C, wm_enum_search_menu, op);
1141         return OPERATOR_INTERFACE;
1142 }
1143
1144 /* Can't be used as an invoke directly, needs message arg (can be NULL) */
1145 int WM_operator_confirm_message_ex(bContext *C, wmOperator *op,
1146                                    const char *title, const int icon,
1147                                    const char *message)
1148 {
1149         uiPopupMenu *pup;
1150         uiLayout *layout;
1151         IDProperty *properties = op->ptr->data;
1152
1153         if (properties && properties->len)
1154                 properties = IDP_CopyProperty(op->ptr->data);
1155         else
1156                 properties = NULL;
1157
1158         pup = UI_popup_menu_begin(C, title, icon);
1159         layout = UI_popup_menu_layout(pup);
1160         uiItemFullO_ptr(layout, op->type, message, ICON_NONE, properties, WM_OP_EXEC_REGION_WIN, 0);
1161         UI_popup_menu_end(C, pup);
1162         
1163         return OPERATOR_INTERFACE;
1164 }
1165
1166 int WM_operator_confirm_message(bContext *C, wmOperator *op, const char *message)
1167 {
1168         return WM_operator_confirm_message_ex(C, op, IFACE_("OK?"), ICON_QUESTION, message);
1169 }
1170
1171 int WM_operator_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1172 {
1173         return WM_operator_confirm_message(C, op, NULL);
1174 }
1175
1176 /* op->invoke, opens fileselect if path property not set, otherwise executes */
1177 int WM_operator_filesel(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1178 {
1179         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1180                 return WM_operator_call_notest(C, op); /* call exec direct */
1181         }
1182         else {
1183                 WM_event_add_fileselect(C, op);
1184                 return OPERATOR_RUNNING_MODAL;
1185         }
1186 }
1187
1188 bool WM_operator_filesel_ensure_ext_imtype(wmOperator *op, const struct ImageFormatData *im_format)
1189 {
1190         PropertyRNA *prop;
1191         char filepath[FILE_MAX];
1192         /* dont NULL check prop, this can only run on ops with a 'filepath' */
1193         prop = RNA_struct_find_property(op->ptr, "filepath");
1194         RNA_property_string_get(op->ptr, prop, filepath);
1195         if (BKE_image_path_ensure_ext_from_imformat(filepath, im_format)) {
1196                 RNA_property_string_set(op->ptr, prop, filepath);
1197                 /* note, we could check for and update 'filename' here,
1198                  * but so far nothing needs this. */
1199                 return true;
1200         }
1201         return false;
1202 }
1203
1204 /* op->poll */
1205 int WM_operator_winactive(bContext *C)
1206 {
1207         if (CTX_wm_window(C) == NULL) return 0;
1208         return 1;
1209 }
1210
1211 /* return false, if the UI should be disabled */
1212 bool WM_operator_check_ui_enabled(const bContext *C, const char *idname)
1213 {
1214         wmWindowManager *wm = CTX_wm_manager(C);
1215         Scene *scene = CTX_data_scene(C);
1216
1217         return !((ED_undo_is_valid(C, idname) == false) || WM_jobs_test(wm, scene, WM_JOB_TYPE_ANY));
1218 }
1219
1220 wmOperator *WM_operator_last_redo(const bContext *C)
1221 {
1222         wmWindowManager *wm = CTX_wm_manager(C);
1223         wmOperator *op;
1224
1225         /* only for operators that are registered and did an undo push */
1226         for (op = wm->operators.last; op; op = op->prev)
1227                 if ((op->type->flag & OPTYPE_REGISTER) && (op->type->flag & OPTYPE_UNDO))
1228                         break;
1229
1230         return op;
1231 }
1232
1233 /**
1234  * Use for drag & drop a path or name with operators invoke() function.
1235  */
1236 ID *WM_operator_drop_load_path(struct bContext *C, wmOperator *op, const short idcode)
1237 {
1238         ID *id = NULL;
1239         /* check input variables */
1240         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1241                 const bool is_relative_path = RNA_boolean_get(op->ptr, "relative_path");
1242                 char path[FILE_MAX];
1243                 bool exists = false;
1244
1245                 RNA_string_get(op->ptr, "filepath", path);
1246
1247                 errno = 0;
1248
1249                 if (idcode == ID_IM) {
1250                         id = (ID *)BKE_image_load_exists_ex(path, &exists);
1251                 }
1252                 else {
1253                         BLI_assert(0);
1254                 }
1255
1256                 if (!id) {
1257                         BKE_reportf(op->reports, RPT_ERROR, "Cannot read %s '%s': %s",
1258                                     BKE_idcode_to_name(idcode), path,
1259                                     errno ? strerror(errno) : TIP_("unsupported format"));
1260                         return NULL;
1261                 }
1262
1263                 if (is_relative_path ) {
1264                         if (exists == false) {
1265                                 Main *bmain = CTX_data_main(C);
1266
1267                                 if (idcode == ID_IM) {
1268                                         BLI_path_rel(((Image *)id)->name, bmain->name);
1269                                 }
1270                                 else {
1271                                         BLI_assert(0);
1272                                 }
1273                         }
1274                 }
1275         }
1276         else if (RNA_struct_property_is_set(op->ptr, "name")) {
1277                 char name[MAX_ID_NAME - 2];
1278                 RNA_string_get(op->ptr, "name", name);
1279                 id = BKE_libblock_find_name(idcode, name);
1280                 if (!id) {
1281                         BKE_reportf(op->reports, RPT_ERROR, "%s '%s' not found",
1282                                     BKE_idcode_to_name(idcode), name);
1283                         return NULL;
1284                 }
1285                 id_us_plus(id);
1286         }
1287
1288         return id;
1289 }
1290
1291 static void wm_block_redo_cb(bContext *C, void *arg_op, int UNUSED(arg_event))
1292 {
1293         wmOperator *op = arg_op;
1294
1295         if (op == WM_operator_last_redo(C)) {
1296                 /* operator was already executed once? undo & repeat */
1297                 ED_undo_operator_repeat(C, op);
1298         }
1299         else {
1300                 /* operator not executed yet, call it */
1301                 ED_undo_push_op(C, op);
1302                 wm_operator_register(C, op);
1303
1304                 WM_operator_repeat(C, op);
1305         }
1306 }
1307
1308 static void wm_block_redo_cancel_cb(bContext *C, void *arg_op)
1309 {
1310         wmOperator *op = arg_op;
1311
1312         /* if operator never got executed, free it */
1313         if (op != WM_operator_last_redo(C))
1314                 WM_operator_free(op);
1315 }
1316
1317 static uiBlock *wm_block_create_redo(bContext *C, ARegion *ar, void *arg_op)
1318 {
1319         wmOperator *op = arg_op;
1320         uiBlock *block;
1321         uiLayout *layout;
1322         uiStyle *style = UI_style_get();
1323         int width = 15 * UI_UNIT_X;
1324
1325         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1326         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1327         /* UI_BLOCK_NUMSELECT for layer buttons */
1328         UI_block_flag_enable(block, UI_BLOCK_NUMSELECT | UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1329
1330         /* if register is not enabled, the operator gets freed on OPERATOR_FINISHED
1331          * ui_apply_but_funcs_after calls ED_undo_operator_repeate_cb and crashes */
1332         assert(op->type->flag & OPTYPE_REGISTER);
1333
1334         UI_block_func_handle_set(block, wm_block_redo_cb, arg_op);
1335         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, width, UI_UNIT_Y, 0, style);
1336
1337         if (op == WM_operator_last_redo(C))
1338                 if (!WM_operator_check_ui_enabled(C, op->type->name))
1339                         uiLayoutSetEnabled(layout, false);
1340
1341         if (op->type->flag & OPTYPE_MACRO) {
1342                 for (op = op->macro.first; op; op = op->next) {
1343                         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1344                         if (op->next)
1345                                 uiItemS(layout);
1346                 }
1347         }
1348         else {
1349                 uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1350         }
1351         
1352         UI_block_bounds_set_popup(block, 4, 0, 0);
1353
1354         return block;
1355 }
1356
1357 typedef struct wmOpPopUp {
1358         wmOperator *op;
1359         int width;
1360         int height;
1361         int free_op;
1362 } wmOpPopUp;
1363
1364 /* Only invoked by OK button in popups created with wm_block_dialog_create() */
1365 static void dialog_exec_cb(bContext *C, void *arg1, void *arg2)
1366 {
1367         wmWindowManager *wm = CTX_wm_manager(C);
1368         wmWindow *win = CTX_wm_window(C);
1369
1370         wmOpPopUp *data = arg1;
1371         uiBlock *block = arg2;
1372
1373         WM_operator_call_ex(C, data->op, true);
1374
1375         /* let execute handle freeing it */
1376         //data->free_op = false;
1377         //data->op = NULL;
1378
1379         /* in this case, wm_operator_ui_popup_cancel wont run */
1380         MEM_freeN(data);
1381
1382         /* check window before 'block->handle' incase the
1383          * popup execution closed the window and freed the block. see T44688. */
1384         if (BLI_findindex(&wm->windows, win) != -1) {
1385                 UI_popup_block_close(C, win, block);
1386         }
1387 }
1388
1389 static void dialog_check_cb(bContext *C, void *op_ptr, void *UNUSED(arg))
1390 {
1391         wmOperator *op = op_ptr;
1392         if (op->type->check) {
1393                 if (op->type->check(C, op)) {
1394                         /* check for popup and re-layout buttons */
1395                         ARegion *ar_menu = CTX_wm_menu(C);
1396                         if (ar_menu) {
1397                                 ED_region_tag_refresh_ui(ar_menu);
1398                         }
1399                 }
1400         }
1401 }
1402
1403 /* Dialogs are popups that require user verification (click OK) before exec */
1404 static uiBlock *wm_block_dialog_create(bContext *C, ARegion *ar, void *userData)
1405 {
1406         wmOpPopUp *data = userData;
1407         wmOperator *op = data->op;
1408         uiBlock *block;
1409         uiLayout *layout;
1410         uiStyle *style = UI_style_get();
1411
1412         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1413         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1414
1415         /* intentionally don't use 'UI_BLOCK_MOVEMOUSE_QUIT', some dialogues have many items
1416          * where quitting by accident is very annoying */
1417         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_NUMSELECT);
1418
1419         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1420         
1421         UI_block_func_set(block, dialog_check_cb, op, NULL);
1422
1423         uiLayoutOperatorButs(C, layout, op, NULL, 'H', UI_LAYOUT_OP_SHOW_TITLE);
1424         
1425         /* clear so the OK button is left alone */
1426         UI_block_func_set(block, NULL, NULL, NULL);
1427
1428         /* new column so as not to interfere with custom layouts [#26436] */
1429         {
1430                 uiBlock *col_block;
1431                 uiLayout *col;
1432                 uiBut *btn;
1433
1434                 col = uiLayoutColumn(layout, false);
1435                 col_block = uiLayoutGetBlock(col);
1436                 /* Create OK button, the callback of which will execute op */
1437                 btn = uiDefBut(col_block, UI_BTYPE_BUT, 0, IFACE_("OK"), 0, -30, 0, UI_UNIT_Y, NULL, 0, 0, 0, 0, "");
1438                 UI_but_func_set(btn, dialog_exec_cb, data, col_block);
1439         }
1440
1441         /* center around the mouse */
1442         UI_block_bounds_set_popup(block, 4, data->width / -2, data->height / 2);
1443
1444         return block;
1445 }
1446
1447 static uiBlock *wm_operator_ui_create(bContext *C, ARegion *ar, void *userData)
1448 {
1449         wmOpPopUp *data = userData;
1450         wmOperator *op = data->op;
1451         uiBlock *block;
1452         uiLayout *layout;
1453         uiStyle *style = UI_style_get();
1454
1455         block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
1456         UI_block_flag_disable(block, UI_BLOCK_LOOP);
1457         UI_block_flag_enable(block, UI_BLOCK_KEEP_OPEN | UI_BLOCK_MOVEMOUSE_QUIT);
1458
1459         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, data->width, data->height, 0, style);
1460
1461         /* since ui is defined the auto-layout args are not used */
1462         uiLayoutOperatorButs(C, layout, op, NULL, 'V', 0);
1463
1464         UI_block_bounds_set_popup(block, 4, 0, 0);
1465
1466         return block;
1467 }
1468
1469 static void wm_operator_ui_popup_cancel(struct bContext *C, void *userData)
1470 {
1471         wmOpPopUp *data = userData;
1472         wmOperator *op = data->op;
1473
1474         if (op) {
1475                 if (op->type->cancel) {
1476                         op->type->cancel(C, op);
1477                 }
1478
1479                 if (data->free_op) {
1480                         WM_operator_free(op);
1481                 }
1482         }
1483
1484         MEM_freeN(data);
1485 }
1486
1487 static void wm_operator_ui_popup_ok(struct bContext *C, void *arg, int retval)
1488 {
1489         wmOpPopUp *data = arg;
1490         wmOperator *op = data->op;
1491
1492         if (op && retval > 0)
1493                 WM_operator_call_ex(C, op, true);
1494         
1495         MEM_freeN(data);
1496 }
1497
1498 int WM_operator_ui_popup(bContext *C, wmOperator *op, int width, int height)
1499 {
1500         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_ui_popup");
1501         data->op = op;
1502         data->width = width;
1503         data->height = height;
1504         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1505         UI_popup_block_ex(C, wm_operator_ui_create, NULL, wm_operator_ui_popup_cancel, data);
1506         return OPERATOR_RUNNING_MODAL;
1507 }
1508
1509 /**
1510  * For use by #WM_operator_props_popup_call, #WM_operator_props_popup only.
1511  *
1512  * \note operator menu needs undo flag enabled, for redo callback */
1513 static int wm_operator_props_popup_ex(bContext *C, wmOperator *op,
1514                                       const bool do_call, const bool do_redo)
1515 {
1516         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1517                 BKE_reportf(op->reports, RPT_ERROR,
1518                             "Operator '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1519                 return OPERATOR_CANCELLED;
1520         }
1521
1522         if (do_redo) {
1523                 if ((op->type->flag & OPTYPE_UNDO) == 0) {
1524                         BKE_reportf(op->reports, RPT_ERROR,
1525                                     "Operator '%s' does not have undo enabled, incorrect invoke function", op->type->idname);
1526                         return OPERATOR_CANCELLED;
1527                 }
1528         }
1529
1530         /* if we don't have global undo, we can't do undo push for automatic redo,
1531          * so we require manual OK clicking in this popup */
1532         if (!do_redo || !(U.uiflag & USER_GLOBALUNDO))
1533                 return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, UI_UNIT_Y);
1534
1535         UI_popup_block_ex(C, wm_block_create_redo, NULL, wm_block_redo_cancel_cb, op);
1536
1537         if (do_call)
1538                 wm_block_redo_cb(C, op, 0);
1539
1540         return OPERATOR_RUNNING_MODAL;
1541 }
1542
1543 /**
1544  * Same as #WM_operator_props_popup but don't use operator redo.
1545  * just wraps #WM_operator_props_dialog_popup.
1546  */
1547 int WM_operator_props_popup_confirm(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1548 {
1549         return wm_operator_props_popup_ex(C, op, false, false);
1550 }
1551
1552 /**
1553  * Same as #WM_operator_props_popup but call the operator first,
1554  * This way - the button values correspond to the result of the operator.
1555  * Without this, first access to a button will make the result jump, see T32452.
1556  */
1557 int WM_operator_props_popup_call(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1558 {
1559         return wm_operator_props_popup_ex(C, op, true, true);
1560 }
1561
1562 int WM_operator_props_popup(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1563 {
1564         return wm_operator_props_popup_ex(C, op, false, true);
1565 }
1566
1567 int WM_operator_props_dialog_popup(bContext *C, wmOperator *op, int width, int height)
1568 {
1569         wmOpPopUp *data = MEM_callocN(sizeof(wmOpPopUp), "WM_operator_props_dialog_popup");
1570         
1571         data->op = op;
1572         data->width = width;
1573         data->height = height;
1574         data->free_op = true; /* if this runs and gets registered we may want not to free it */
1575
1576         /* op is not executed until popup OK but is clicked */
1577         UI_popup_block_ex(C, wm_block_dialog_create, wm_operator_ui_popup_ok, wm_operator_ui_popup_cancel, data);
1578
1579         return OPERATOR_RUNNING_MODAL;
1580 }
1581
1582 int WM_operator_redo_popup(bContext *C, wmOperator *op)
1583 {
1584         /* CTX_wm_reports(C) because operator is on stack, not active in event system */
1585         if ((op->type->flag & OPTYPE_REGISTER) == 0) {
1586                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR,
1587                             "Operator redo '%s' does not have register enabled, incorrect invoke function", op->type->idname);
1588                 return OPERATOR_CANCELLED;
1589         }
1590         if (op->type->poll && op->type->poll(C) == 0) {
1591                 BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "Operator redo '%s': wrong context", op->type->idname);
1592                 return OPERATOR_CANCELLED;
1593         }
1594         
1595         UI_popup_block_invoke(C, wm_block_create_redo, op);
1596
1597         return OPERATOR_CANCELLED;
1598 }
1599
1600 /* ***************** Debug menu ************************* */
1601
1602 static int wm_debug_menu_exec(bContext *C, wmOperator *op)
1603 {
1604         G.debug_value = RNA_int_get(op->ptr, "debug_value");
1605         ED_screen_refresh(CTX_wm_manager(C), CTX_wm_window(C));
1606         WM_event_add_notifier(C, NC_WINDOW, NULL);
1607
1608         return OPERATOR_FINISHED;
1609 }
1610
1611 static int wm_debug_menu_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1612 {
1613         RNA_int_set(op->ptr, "debug_value", G.debug_value);
1614         return WM_operator_props_dialog_popup(C, op, 9 * UI_UNIT_X, UI_UNIT_Y);
1615 }
1616
1617 static void WM_OT_debug_menu(wmOperatorType *ot)
1618 {
1619         ot->name = "Debug Menu";
1620         ot->idname = "WM_OT_debug_menu";
1621         ot->description = "Open a popup to set the debug level";
1622         
1623         ot->invoke = wm_debug_menu_invoke;
1624         ot->exec = wm_debug_menu_exec;
1625         ot->poll = WM_operator_winactive;
1626         
1627         RNA_def_int(ot->srna, "debug_value", 0, SHRT_MIN, SHRT_MAX, "Debug Value", "", -10000, 10000);
1628 }
1629
1630 /* ***************** Operator defaults ************************* */
1631 static int wm_operator_defaults_exec(bContext *C, wmOperator *op)
1632 {
1633         PointerRNA ptr = CTX_data_pointer_get_type(C, "active_operator", &RNA_Operator);
1634
1635         if (!ptr.data) {
1636                 BKE_report(op->reports, RPT_ERROR, "No operator in context");
1637                 return OPERATOR_CANCELLED;
1638         }
1639
1640         WM_operator_properties_reset((wmOperator *)ptr.data);
1641         return OPERATOR_FINISHED;
1642 }
1643
1644 /* used by operator preset menu. pre-2.65 this was a 'Reset' button */
1645 static void WM_OT_operator_defaults(wmOperatorType *ot)
1646 {
1647         ot->name = "Restore Defaults";
1648         ot->idname = "WM_OT_operator_defaults";
1649         ot->description = "Set the active operator to its default values";
1650
1651         ot->exec = wm_operator_defaults_exec;
1652
1653         ot->flag = OPTYPE_INTERNAL;
1654 }
1655
1656 /* ***************** Splash Screen ************************* */
1657
1658 static void wm_block_splash_close(bContext *C, void *arg_block, void *UNUSED(arg))
1659 {
1660         wmWindow *win = CTX_wm_window(C);
1661         UI_popup_block_close(C, win, arg_block);
1662 }
1663
1664 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *arg_unused);
1665
1666 static void wm_block_splash_refreshmenu(bContext *C, void *UNUSED(arg_block), void *UNUSED(arg))
1667 {
1668         ARegion *ar_menu = CTX_wm_menu(C);
1669         ED_region_tag_refresh_ui(ar_menu);
1670 }
1671
1672 static int wm_resource_check_prev(void)
1673 {
1674
1675         const char *res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION, true);
1676
1677         // if (res) printf("USER: %s\n", res);
1678
1679 #if 0 /* ignore the local folder */
1680         if (res == NULL) {
1681                 /* with a local dir, copying old files isn't useful since local dir get priority for config */
1682                 res = BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_LOCAL, BLENDER_VERSION, true);
1683         }
1684 #endif
1685
1686         // if (res) printf("LOCAL: %s\n", res);
1687         if (res) {
1688                 return false;
1689         }
1690         else {
1691                 return (BKE_appdir_folder_id_version(BLENDER_RESOURCE_PATH_USER, BLENDER_VERSION - 1, true) != NULL);
1692         }
1693 }
1694
1695 static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(arg))
1696 {
1697         uiBlock *block;
1698         uiBut *but;
1699         uiLayout *layout, *split, *col;
1700         uiStyle *style = UI_style_get();
1701         const struct RecentFile *recent;
1702         int i;
1703         MenuType *mt = WM_menutype_find("USERPREF_MT_splash", true);
1704         char url[96];
1705         const char *version_suffix = NULL;
1706
1707 #ifndef WITH_HEADLESS
1708         extern char datatoc_splash_png[];
1709         extern int datatoc_splash_png_size;
1710
1711         extern char datatoc_splash_2x_png[];
1712         extern int datatoc_splash_2x_png_size;
1713         ImBuf *ibuf;
1714 #else
1715         ImBuf *ibuf = NULL;
1716 #endif
1717
1718 #ifdef WITH_BUILDINFO
1719         int label_delta = 0;
1720         int hash_width, date_width;
1721         char date_buf[128] = "\0";
1722         char hash_buf[128] = "\0";
1723         extern unsigned long build_commit_timestamp;
1724         extern char build_hash[], build_commit_date[], build_commit_time[], build_branch[];
1725
1726         /* Builds made from tag only shows tag sha */
1727         BLI_snprintf(hash_buf, sizeof(hash_buf), "Hash: %s", build_hash);
1728         BLI_snprintf(date_buf, sizeof(date_buf), "Date: %s %s", build_commit_date, build_commit_time);
1729         
1730         BLF_size(style->widgetlabel.uifont_id, style->widgetlabel.points, U.pixelsize * U.dpi);
1731         hash_width = (int)BLF_width(style->widgetlabel.uifont_id, hash_buf, sizeof(hash_buf)) + U.widget_unit;
1732         date_width = (int)BLF_width(style->widgetlabel.uifont_id, date_buf, sizeof(date_buf)) + U.widget_unit;
1733 #endif  /* WITH_BUILDINFO */
1734
1735 #ifndef WITH_HEADLESS
1736         if (U.pixelsize == 2) {
1737                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_2x_png,
1738                                              datatoc_splash_2x_png_size, IB_rect, NULL, "<splash screen>");
1739         }
1740         else {
1741                 ibuf = IMB_ibImageFromMemory((unsigned char *)datatoc_splash_png,
1742                                              datatoc_splash_png_size, IB_rect, NULL, "<splash screen>");
1743         }
1744 #endif
1745
1746         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1747
1748         /* note on UI_BLOCK_NO_WIN_CLIP, the window size is not always synchronized
1749          * with the OS when the splash shows, window clipping in this case gives
1750          * ugly results and clipping the splash isn't useful anyway, just disable it [#32938] */
1751         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_NO_WIN_CLIP);
1752
1753         /* XXX splash scales with pixelsize, should become widget-units */
1754         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 */
1755         UI_but_func_set(but, wm_block_splash_close, block, NULL);
1756         UI_block_func_set(block, wm_block_splash_refreshmenu, block, NULL);
1757
1758         /* label for 'a' bugfix releases, or 'Release Candidate 1'...
1759          *  avoids recreating splash for version updates */
1760         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "rc")) {
1761                 version_suffix = "Release Candidate";
1762         }
1763         else if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1764                 version_suffix = STRINGIFY(BLENDER_VERSION_CHAR);
1765         }
1766         if (version_suffix != NULL && version_suffix[0]) {
1767                 /* placed after the version number in the image,
1768                  * placing y is tricky to match baseline */
1769                 int x = 260 - (2 * UI_DPI_WINDOW_FAC);
1770                 int y = 242 + (4 * UI_DPI_WINDOW_FAC);
1771                 int w = 240;
1772
1773                 /* hack to have text draw 'text_sel' */
1774                 UI_block_emboss_set(block, UI_EMBOSS_NONE);
1775                 but = uiDefBut(block, UI_BTYPE_LABEL, 0, version_suffix, x * U.pixelsize, y * U.pixelsize, w * U.pixelsize, UI_UNIT_Y, NULL, 0, 0, 0, 0, NULL);
1776                 /* XXX, set internal flag - UI_SELECT */
1777                 UI_but_flag_enable(but, 1);
1778                 UI_block_emboss_set(block, UI_EMBOSS);
1779         }
1780
1781 #ifdef WITH_BUILDINFO
1782         if (build_commit_timestamp != 0) {
1783                 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);
1784                 label_delta = 12;
1785         }
1786         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);
1787
1788         if (!STREQ(build_branch, "master")) {
1789                 char branch_buf[128] = "\0";
1790                 int branch_width;
1791                 BLI_snprintf(branch_buf, sizeof(branch_buf), "Branch: %s", build_branch);
1792                 branch_width = (int)BLF_width(style->widgetlabel.uifont_id, branch_buf, sizeof(branch_buf)) + U.widget_unit;
1793                 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);
1794         }
1795 #endif  /* WITH_BUILDINFO */
1796         
1797         layout = UI_block_layout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 10, 2, U.pixelsize * 480, U.pixelsize * 110, 0, style);
1798         
1799         UI_block_emboss_set(block, UI_EMBOSS);
1800         /* show the splash menu (containing interaction presets), using python */
1801         if (mt) {
1802                 Menu menu = {NULL};
1803                 menu.layout = layout;
1804                 menu.type = mt;
1805                 mt->draw(C, &menu);
1806
1807 //              wmWindowManager *wm = CTX_wm_manager(C);
1808 //              uiItemM(layout, C, "USERPREF_MT_keyconfigs", U.keyconfigstr, ICON_NONE);
1809         }
1810         
1811         UI_block_emboss_set(block, UI_EMBOSS_PULLDOWN);
1812         uiLayoutSetOperatorContext(layout, WM_OP_EXEC_REGION_WIN);
1813         
1814         split = uiLayoutSplit(layout, 0.0f, false);
1815         col = uiLayoutColumn(split, false);
1816         uiItemL(col, IFACE_("Links"), ICON_NONE);
1817 #if 0
1818         uiItemStringO(col, IFACE_("Support an Open Animation Movie"), ICON_URL, "WM_OT_url_open", "url",
1819                       "https://cloud.blender.org/join");
1820 #endif
1821         uiItemStringO(col, IFACE_("Donations"), ICON_URL, "WM_OT_url_open", "url",
1822                       "http://www.blender.org/foundation/donation-payment/");
1823         uiItemStringO(col, IFACE_("Credits"), ICON_URL, "WM_OT_url_open", "url",
1824                       "http://www.blender.org/about/credits/");
1825         BLI_snprintf(url, sizeof(url), "http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/%d.%d",
1826                      BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1827         uiItemStringO(col, IFACE_("Release Log"), ICON_URL, "WM_OT_url_open", "url", url);
1828         uiItemStringO(col, IFACE_("Manual"), ICON_URL, "WM_OT_url_open", "url",
1829                       "http://www.blender.org/manual");
1830         uiItemStringO(col, IFACE_("Blender Website"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org");
1831         if (STREQ(STRINGIFY(BLENDER_VERSION_CYCLE), "release")) {
1832                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d"
1833                                                STRINGIFY(BLENDER_VERSION_CHAR) "_release",
1834                              BLENDER_VERSION / 100, BLENDER_VERSION % 100);
1835         }
1836         else {
1837                 BLI_snprintf(url, sizeof(url), "http://www.blender.org/documentation/blender_python_api_%d_%d_%d",
1838                              BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION);
1839         }
1840         uiItemStringO(col, IFACE_("Python API Reference"), ICON_URL, "WM_OT_url_open", "url", url);
1841         uiItemL(col, "", ICON_NONE);
1842
1843         col = uiLayoutColumn(split, false);
1844
1845         if (wm_resource_check_prev()) {
1846                 uiItemO(col, NULL, ICON_NEW, "WM_OT_copy_prev_settings");
1847                 uiItemS(col);
1848         }
1849
1850         uiItemL(col, IFACE_("Recent"), ICON_NONE);
1851         for (recent = G.recent_files.first, i = 0; (i < 5) && (recent); recent = recent->next, i++) {
1852                 const char *filename = BLI_path_basename(recent->filepath);
1853                 uiItemStringO(col, filename,
1854                               BLO_has_bfile_extension(filename) ? ICON_FILE_BLEND : ICON_FILE_BACKUP,
1855                               "WM_OT_open_mainfile", "filepath", recent->filepath);
1856         }
1857
1858         uiItemS(col);
1859         uiItemO(col, NULL, ICON_RECOVER_LAST, "WM_OT_recover_last_session");
1860         uiItemL(col, "", ICON_NONE);
1861         
1862         mt = WM_menutype_find("USERPREF_MT_splash_footer", false);
1863         if (mt) {
1864                 Menu menu = {NULL};
1865                 menu.layout = uiLayoutColumn(layout, false);
1866                 menu.type = mt;
1867                 mt->draw(C, &menu);
1868         }
1869
1870         UI_block_bounds_set_centered(block, 0);
1871         
1872         return block;
1873 }
1874
1875 static int wm_splash_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1876 {
1877         UI_popup_block_invoke(C, wm_block_create_splash, NULL);
1878         
1879         return OPERATOR_FINISHED;
1880 }
1881
1882 static void WM_OT_splash(wmOperatorType *ot)
1883 {
1884         ot->name = "Splash Screen";
1885         ot->idname = "WM_OT_splash";
1886         ot->description = "Open the splash screen with release info";
1887         
1888         ot->invoke = wm_splash_invoke;
1889         ot->poll = WM_operator_winactive;
1890 }
1891
1892
1893 /* ***************** Search menu ************************* */
1894
1895 struct SearchPopupInit_Data {
1896         int size[2];
1897 };
1898
1899 static uiBlock *wm_block_search_menu(bContext *C, ARegion *ar, void *userdata)
1900 {
1901         const struct SearchPopupInit_Data *init_data = userdata;
1902         static char search[256] = "";
1903         wmEvent event;
1904         wmWindow *win = CTX_wm_window(C);
1905         uiBlock *block;
1906         uiBut *but;
1907         
1908         block = UI_block_begin(C, ar, "_popup", UI_EMBOSS);
1909         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_MOVEMOUSE_QUIT | UI_BLOCK_SEARCH_MENU);
1910         
1911         but = uiDefSearchBut(block, search, 0, ICON_VIEWZOOM, sizeof(search), 10, 10, init_data->size[0], UI_UNIT_Y, 0, 0, "");
1912         UI_but_func_operator_search(but);
1913         
1914         /* fake button, it holds space for search items */
1915         uiDefBut(block, UI_BTYPE_LABEL, 0, "", 10, 10 - init_data->size[1],
1916                  init_data->size[0], init_data->size[1], NULL, 0, 0, 0, 0, NULL);
1917         
1918         UI_block_bounds_set_popup(block, 6, 0, -UI_UNIT_Y); /* move it downwards, mouse over button */
1919         
1920         wm_event_init_from_window(win, &event);
1921         event.type = EVT_BUT_OPEN;
1922         event.val = KM_PRESS;
1923         event.customdata = but;
1924         event.customdatafree = false;
1925         wm_event_add(win, &event);
1926         
1927         return block;
1928 }
1929
1930 static int wm_search_menu_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
1931 {
1932         return OPERATOR_FINISHED;
1933 }
1934
1935 static int wm_search_menu_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *UNUSED(event))
1936 {
1937         struct SearchPopupInit_Data data = {
1938                 .size = {
1939                     UI_searchbox_size_x() * 2,
1940                     UI_searchbox_size_y(),
1941                 },
1942         };
1943
1944         UI_popup_block_invoke(C, wm_block_search_menu, &data);
1945         
1946         return OPERATOR_INTERFACE;
1947 }
1948
1949 /* op->poll */
1950 static int wm_search_menu_poll(bContext *C)
1951 {
1952         if (CTX_wm_window(C) == NULL) {
1953                 return 0;
1954         }
1955         else {
1956                 ScrArea *sa = CTX_wm_area(C);
1957                 if (sa) {
1958                         if (sa->spacetype == SPACE_CONSOLE) return 0;  /* XXX - so we can use the shortcut in the console */
1959                         if (sa->spacetype == SPACE_TEXT) return 0;     /* XXX - so we can use the spacebar in the text editor */
1960                 }
1961                 else {
1962                         Object *editob = CTX_data_edit_object(C);
1963                         if (editob && editob->type == OB_FONT) return 0;  /* XXX - so we can use the spacebar for entering text */
1964                 }
1965         }
1966         return 1;
1967 }
1968
1969 static void WM_OT_search_menu(wmOperatorType *ot)
1970 {
1971         ot->name = "Search Menu";
1972         ot->idname = "WM_OT_search_menu";
1973         ot->description = "Pop-up a search menu over all available operators in current context";
1974         
1975         ot->invoke = wm_search_menu_invoke;
1976         ot->exec = wm_search_menu_exec;
1977         ot->poll = wm_search_menu_poll;
1978 }
1979
1980 static int wm_call_menu_exec(bContext *C, wmOperator *op)
1981 {
1982         char idname[BKE_ST_MAXNAME];
1983         RNA_string_get(op->ptr, "name", idname);
1984
1985         return UI_popup_menu_invoke(C, idname, op->reports);
1986 }
1987
1988 static void WM_OT_call_menu(wmOperatorType *ot)
1989 {
1990         ot->name = "Call Menu";
1991         ot->idname = "WM_OT_call_menu";
1992         ot->description = "Call (draw) a pre-defined menu";
1993
1994         ot->exec = wm_call_menu_exec;
1995         ot->poll = WM_operator_winactive;
1996
1997         ot->flag = OPTYPE_INTERNAL;
1998
1999         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the menu");
2000 }
2001
2002 static int wm_call_pie_menu_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2003 {
2004         char idname[BKE_ST_MAXNAME];
2005         RNA_string_get(op->ptr, "name", idname);
2006
2007         return UI_pie_menu_invoke(C, idname, event);
2008 }
2009
2010 static int wm_call_pie_menu_exec(bContext *C, wmOperator *op)
2011 {
2012         char idname[BKE_ST_MAXNAME];
2013         RNA_string_get(op->ptr, "name", idname);
2014
2015         return UI_pie_menu_invoke(C, idname, CTX_wm_window(C)->eventstate);
2016 }
2017
2018 static void WM_OT_call_menu_pie(wmOperatorType *ot)
2019 {
2020         ot->name = "Call Pie Menu";
2021         ot->idname = "WM_OT_call_menu_pie";
2022         ot->description = "Call (draw) a pre-defined pie menu";
2023
2024         ot->invoke = wm_call_pie_menu_invoke;
2025         ot->exec = wm_call_pie_menu_exec;
2026         ot->poll = WM_operator_winactive;
2027
2028         ot->flag = OPTYPE_INTERNAL;
2029
2030         RNA_def_string(ot->srna, "name", NULL, BKE_ST_MAXNAME, "Name", "Name of the pie menu");
2031 }
2032
2033 /* ************ window / screen operator definitions ************** */
2034
2035 /* this poll functions is needed in place of WM_operator_winactive
2036  * while it crashes on full screen */
2037 static int wm_operator_winactive_normal(bContext *C)
2038 {
2039         wmWindow *win = CTX_wm_window(C);
2040
2041         if (win == NULL || win->screen == NULL || win->screen->state != SCREENNORMAL)
2042                 return 0;
2043
2044         return 1;
2045 }
2046
2047 /* included for script-access */
2048 static void WM_OT_window_close(wmOperatorType *ot)
2049 {
2050         ot->name = "Close Window";
2051         ot->idname = "WM_OT_window_close";
2052         ot->description = "Close the current Blender window";
2053
2054         ot->exec = wm_window_close_exec;
2055         ot->poll = WM_operator_winactive;
2056 }
2057
2058 static void WM_OT_window_duplicate(wmOperatorType *ot)
2059 {
2060         ot->name = "Duplicate Window";
2061         ot->idname = "WM_OT_window_duplicate";
2062         ot->description = "Duplicate the current Blender window";
2063                 
2064         ot->exec = wm_window_duplicate_exec;
2065         ot->poll = wm_operator_winactive_normal;
2066 }
2067
2068 static void WM_OT_window_fullscreen_toggle(wmOperatorType *ot)
2069 {
2070         ot->name = "Toggle Window Fullscreen";
2071         ot->idname = "WM_OT_window_fullscreen_toggle";
2072         ot->description = "Toggle the current window fullscreen";
2073
2074         ot->exec = wm_window_fullscreen_toggle_exec;
2075         ot->poll = WM_operator_winactive;
2076 }
2077
2078 static int wm_exit_blender_exec(bContext *C, wmOperator *op)
2079 {
2080         WM_operator_free(op);
2081         
2082         WM_exit(C);
2083         
2084         return OPERATOR_FINISHED;
2085 }
2086
2087 static void WM_OT_quit_blender(wmOperatorType *ot)
2088 {
2089         ot->name = "Quit Blender";
2090         ot->idname = "WM_OT_quit_blender";
2091         ot->description = "Quit Blender";
2092
2093         ot->invoke = WM_operator_confirm;
2094         ot->exec = wm_exit_blender_exec;
2095 }
2096
2097 /* *********************** */
2098
2099 #if defined(WIN32)
2100
2101 static int wm_console_toggle_exec(bContext *UNUSED(C), wmOperator *UNUSED(op))
2102 {
2103         GHOST_toggleConsole(2);
2104         return OPERATOR_FINISHED;
2105 }
2106
2107 static void WM_OT_console_toggle(wmOperatorType *ot)
2108 {
2109         /* XXX Have to mark these for xgettext, as under linux they do not exists... */
2110         ot->name = CTX_N_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Toggle System Console");
2111         ot->idname = "WM_OT_console_toggle";
2112         ot->description = N_("Toggle System Console");
2113         
2114         ot->exec = wm_console_toggle_exec;
2115         ot->poll = WM_operator_winactive;
2116 }
2117
2118 #endif
2119
2120 /* ************ default paint cursors, draw always around cursor *********** */
2121 /*
2122  * - returns handler to free
2123  * - poll(bContext): returns 1 if draw should happen
2124  * - draw(bContext): drawing callback for paint cursor
2125  */
2126
2127 void *WM_paint_cursor_activate(wmWindowManager *wm, int (*poll)(bContext *C),
2128                                wmPaintCursorDraw draw, void *customdata)
2129 {
2130         wmPaintCursor *pc = MEM_callocN(sizeof(wmPaintCursor), "paint cursor");
2131         
2132         BLI_addtail(&wm->paintcursors, pc);
2133         
2134         pc->customdata = customdata;
2135         pc->poll = poll;
2136         pc->draw = draw;
2137         
2138         return pc;
2139 }
2140
2141 void WM_paint_cursor_end(wmWindowManager *wm, void *handle)
2142 {
2143         wmPaintCursor *pc;
2144         
2145         for (pc = wm->paintcursors.first; pc; pc = pc->next) {
2146                 if (pc == (wmPaintCursor *)handle) {
2147                         BLI_remlink(&wm->paintcursors, pc);
2148                         MEM_freeN(pc);
2149                         return;
2150                 }
2151         }
2152 }
2153
2154 /* ************ window gesture operator-callback definitions ************** */
2155 /*
2156  * These are default callbacks for use in operators requiring gesture input
2157  */
2158
2159 /* **************** Border gesture *************** */
2160
2161 /**
2162  * Border gesture has two types:
2163  * -# #WM_GESTURE_CROSS_RECT: starts a cross, on mouse click it changes to border.
2164  * -# #WM_GESTURE_RECT: starts immediate as a border, on mouse click or release it ends.
2165  *
2166  * It stores 4 values (xmin, xmax, ymin, ymax) and event it ended with (event_type)
2167  */
2168
2169 static int border_apply_rect(wmOperator *op)
2170 {
2171         wmGesture *gesture = op->customdata;
2172         rcti *rect = gesture->customdata;
2173         
2174         if (rect->xmin == rect->xmax || rect->ymin == rect->ymax)
2175                 return 0;
2176
2177         
2178         /* operator arguments and storage. */
2179         RNA_int_set(op->ptr, "xmin", min_ii(rect->xmin, rect->xmax));
2180         RNA_int_set(op->ptr, "ymin", min_ii(rect->ymin, rect->ymax));
2181         RNA_int_set(op->ptr, "xmax", max_ii(rect->xmin, rect->xmax));
2182         RNA_int_set(op->ptr, "ymax", max_ii(rect->ymin, rect->ymax));
2183
2184         return 1;
2185 }
2186
2187 static int border_apply(bContext *C, wmOperator *op, int gesture_mode)
2188 {
2189         PropertyRNA *prop;
2190
2191         int retval;
2192
2193         if (!border_apply_rect(op))
2194                 return 0;
2195         
2196         /* XXX weak; border should be configured for this without reading event types */
2197         if ((prop = RNA_struct_find_property(op->ptr, "gesture_mode"))) {
2198                 RNA_property_int_set(op->ptr, prop, gesture_mode);
2199         }
2200
2201         retval = op->type->exec(C, op);
2202         OPERATOR_RETVAL_CHECK(retval);
2203
2204         return 1;
2205 }
2206
2207 static void wm_gesture_end(bContext *C, wmOperator *op)
2208 {
2209         wmGesture *gesture = op->customdata;
2210         
2211         WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2212         op->customdata = NULL;
2213
2214         ED_area_tag_redraw(CTX_wm_area(C));
2215         
2216         if (RNA_struct_find_property(op->ptr, "cursor")) {
2217                 WM_cursor_modal_restore(CTX_wm_window(C));
2218         }
2219 }
2220
2221 int WM_border_select_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2222 {
2223         if (ISTWEAK(event->type))
2224                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_RECT);
2225         else
2226                 op->customdata = WM_gesture_new(C, event, WM_GESTURE_CROSS_RECT);
2227
2228         /* add modal handler */
2229         WM_event_add_modal_handler(C, op);
2230         
2231         wm_gesture_tag_redraw(C);
2232
2233         return OPERATOR_RUNNING_MODAL;
2234 }
2235
2236 int WM_border_select_modal(bContext *C, wmOperator *op, const wmEvent *event)
2237 {
2238         wmGesture *gesture = op->customdata;
2239         rcti *rect = gesture->customdata;
2240         int sx, sy;
2241         
2242         if (event->type == MOUSEMOVE) {
2243                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2244
2245                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2246                         rect->xmin = rect->xmax = event->x - sx;
2247                         rect->ymin = rect->ymax = event->y - sy;
2248                 }
2249                 else {
2250                         rect->xmax = event->x - sx;
2251                         rect->ymax = event->y - sy;
2252                 }
2253                 border_apply_rect(op);
2254
2255                 wm_gesture_tag_redraw(C);
2256         }
2257         else if (event->type == EVT_MODAL_MAP) {
2258                 switch (event->val) {
2259                         case GESTURE_MODAL_BEGIN:
2260                                 if (gesture->type == WM_GESTURE_CROSS_RECT && gesture->mode == 0) {
2261                                         gesture->mode = 1;
2262                                         wm_gesture_tag_redraw(C);
2263                                 }
2264                                 break;
2265                         case GESTURE_MODAL_SELECT:
2266                         case GESTURE_MODAL_DESELECT:
2267                         case GESTURE_MODAL_IN:
2268                         case GESTURE_MODAL_OUT:
2269                                 if (border_apply(C, op, event->val)) {
2270                                         wm_gesture_end(C, op);
2271                                         return OPERATOR_FINISHED;
2272                                 }
2273                                 wm_gesture_end(C, op);
2274                                 return OPERATOR_CANCELLED;
2275
2276                         case GESTURE_MODAL_CANCEL:
2277                                 wm_gesture_end(C, op);
2278                                 return OPERATOR_CANCELLED;
2279                 }
2280
2281         }
2282 //      /* Allow view navigation??? */
2283 //      else {
2284 //              return OPERATOR_PASS_THROUGH;
2285 //      }
2286
2287         return OPERATOR_RUNNING_MODAL;
2288 }
2289
2290 void WM_border_select_cancel(bContext *C, wmOperator *op)
2291 {
2292         wm_gesture_end(C, op);
2293 }
2294
2295 /* **************** circle gesture *************** */
2296 /* works now only for selection or modal paint stuff, calls exec while hold mouse, exit on release */
2297
2298 #ifdef GESTURE_MEMORY
2299 int circle_select_size = 25; /* XXX - need some operator memory thing! */
2300 #endif
2301
2302 int WM_gesture_circle_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2303 {
2304         op->customdata = WM_gesture_new(C, event, WM_GESTURE_CIRCLE);
2305         
2306         /* add modal handler */
2307         WM_event_add_modal_handler(C, op);
2308         
2309         wm_gesture_tag_redraw(C);
2310         
2311         return OPERATOR_RUNNING_MODAL;
2312 }
2313
2314 static void gesture_circle_apply(bContext *C, wmOperator *op)
2315 {
2316         wmGesture *gesture = op->customdata;
2317         rcti *rect = gesture->customdata;
2318         
2319         if (RNA_int_get(op->ptr, "gesture_mode") == GESTURE_MODAL_NOP)
2320                 return;
2321
2322         /* operator arguments and storage. */
2323         RNA_int_set(op->ptr, "x", rect->xmin);
2324         RNA_int_set(op->ptr, "y", rect->ymin);
2325         RNA_int_set(op->ptr, "radius", rect->xmax);
2326         
2327         if (op->type->exec) {
2328                 int retval;
2329                 retval = op->type->exec(C, op);
2330                 OPERATOR_RETVAL_CHECK(retval);
2331         }
2332 #ifdef GESTURE_MEMORY
2333         circle_select_size = rect->xmax;
2334 #endif
2335 }
2336
2337 int WM_gesture_circle_modal(bContext *C, wmOperator *op, const wmEvent *event)
2338 {
2339         wmGesture *gesture = op->customdata;
2340         rcti *rect = gesture->customdata;
2341         int sx, sy;
2342
2343         if (event->type == MOUSEMOVE) {
2344                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2345
2346                 rect->xmin = event->x - sx;
2347                 rect->ymin = event->y - sy;
2348
2349                 wm_gesture_tag_redraw(C);
2350
2351                 if (gesture->mode)
2352                         gesture_circle_apply(C, op);
2353         }
2354         else if (event->type == EVT_MODAL_MAP) {
2355                 float fac;
2356                 
2357                 switch (event->val) {
2358                         case GESTURE_MODAL_CIRCLE_SIZE:
2359                                 fac = 0.3f * (event->y - event->prevy);
2360                                 if (fac > 0)
2361                                         rect->xmax += ceil(fac);
2362                                 else
2363                                         rect->xmax += floor(fac);
2364                                 if (rect->xmax < 1) rect->xmax = 1;
2365                                 wm_gesture_tag_redraw(C);
2366                                 break;
2367                         case GESTURE_MODAL_CIRCLE_ADD:
2368                                 rect->xmax += 2 + rect->xmax / 10;
2369                                 wm_gesture_tag_redraw(C);
2370                                 break;
2371                         case GESTURE_MODAL_CIRCLE_SUB:
2372                                 rect->xmax -= 2 + rect->xmax / 10;
2373                                 if (rect->xmax < 1) rect->xmax = 1;
2374                                 wm_gesture_tag_redraw(C);
2375                                 break;
2376                         case GESTURE_MODAL_SELECT:
2377                         case GESTURE_MODAL_DESELECT:
2378                         case GESTURE_MODAL_NOP:
2379                                 if (RNA_struct_find_property(op->ptr, "gesture_mode"))
2380                                         RNA_int_set(op->ptr, "gesture_mode", event->val);
2381
2382                                 if (event->val != GESTURE_MODAL_NOP) {
2383                                         /* apply first click */
2384                                         gesture_circle_apply(C, op);
2385                                         gesture->mode = 1;
2386                                         wm_gesture_tag_redraw(C);
2387                                 }
2388                                 break;
2389
2390                         case GESTURE_MODAL_CANCEL:
2391                         case GESTURE_MODAL_CONFIRM:
2392                                 wm_gesture_end(C, op);
2393                                 return OPERATOR_FINISHED; /* use finish or we don't get an undo */
2394                 }
2395         }
2396         /* Allow view navigation??? */
2397         /* note, this gives issues: 1) other modal ops run on top (border select), 2) middlemouse is used now 3) tablet/trackpad? */
2398 //      else {
2399 //              return OPERATOR_PASS_THROUGH;
2400 //      }
2401
2402         return OPERATOR_RUNNING_MODAL;
2403 }
2404
2405 void WM_gesture_circle_cancel(bContext *C, wmOperator *op)
2406 {
2407         wm_gesture_end(C, op);
2408 }
2409
2410 #if 0
2411 /* template to copy from */
2412 void WM_OT_circle_gesture(wmOperatorType *ot)
2413 {
2414         ot->name = "Circle Gesture";
2415         ot->idname = "WM_OT_circle_gesture";
2416         ot->description = "Enter rotate mode with a circular gesture";
2417         
2418         ot->invoke = WM_gesture_circle_invoke;
2419         ot->modal = WM_gesture_circle_modal;
2420         
2421         ot->poll = WM_operator_winactive;
2422         
2423         RNA_def_property(ot->srna, "x", PROP_INT, PROP_NONE);
2424         RNA_def_property(ot->srna, "y", PROP_INT, PROP_NONE);
2425         RNA_def_property(ot->srna, "radius", PROP_INT, PROP_NONE);
2426
2427 }
2428 #endif
2429
2430 /* **************** Tweak gesture *************** */
2431
2432 static void tweak_gesture_modal(bContext *C, const wmEvent *event)
2433 {
2434         wmWindow *window = CTX_wm_window(C);
2435         wmGesture *gesture = window->tweak;
2436         rcti *rect = gesture->customdata;
2437         int sx, sy, val;
2438         
2439         switch (event->type) {
2440                 case MOUSEMOVE:
2441                 case INBETWEEN_MOUSEMOVE:
2442                         
2443                         wm_subwindow_origin_get(window, gesture->swinid, &sx, &sy);
2444                         
2445                         rect->xmax = event->x - sx;
2446                         rect->ymax = event->y - sy;
2447                         
2448                         if ((val = wm_gesture_evaluate(gesture))) {
2449                                 wmEvent tevent;
2450
2451                                 wm_event_init_from_window(window, &tevent);
2452                                 /* We want to get coord from start of drag, not from point where it becomes a tweak event, see T40549 */
2453                                 tevent.x = rect->xmin + sx;
2454                                 tevent.y = rect->ymin + sy;
2455                                 if (gesture->event_type == LEFTMOUSE)
2456                                         tevent.type = EVT_TWEAK_L;
2457                                 else if (gesture->event_type == RIGHTMOUSE)
2458                                         tevent.type = EVT_TWEAK_R;
2459                                 else
2460                                         tevent.type = EVT_TWEAK_M;
2461                                 tevent.val = val;
2462                                 /* mouse coords! */
2463
2464                                 /* important we add immediately after this event, so future mouse releases
2465                                  * (which may be in the queue already), are handled in order, see T44740 */
2466                                 wm_event_add_ex(window, &tevent, event);
2467                                 
2468                                 WM_gesture_end(C, gesture); /* frees gesture itself, and unregisters from window */
2469                         }
2470                         
2471                         break;
2472                         
2473                 case LEFTMOUSE:
2474                 case RIGHTMOUSE:
2475                 case MIDDLEMOUSE:
2476                         if (gesture->event_type == event->type) {
2477                                 WM_gesture_end(C, gesture);
2478
2479                                 /* when tweak fails we should give the other keymap entries a chance */
2480
2481                                 /* XXX, assigning to readonly, BAD JUJU! */
2482                                 ((wmEvent *)event)->val = KM_RELEASE;
2483                         }
2484                         break;
2485                 default:
2486                         if (!ISTIMER(event->type) && event->type != EVENT_NONE) {
2487                                 WM_gesture_end(C, gesture);
2488                         }
2489                         break;
2490         }
2491 }
2492
2493 /* standard tweak, called after window handlers passed on event */
2494 void wm_tweakevent_test(bContext *C, wmEvent *event, int action)
2495 {
2496         wmWindow *win = CTX_wm_window(C);
2497         
2498         if (win->tweak == NULL) {
2499                 if (CTX_wm_region(C)) {
2500                         if (event->val == KM_PRESS) {
2501                                 if (ELEM(event->type, LEFTMOUSE, MIDDLEMOUSE, RIGHTMOUSE)) {
2502                                         win->tweak = WM_gesture_new(C, event, WM_GESTURE_TWEAK);
2503                                 }
2504                         }
2505                 }
2506         }
2507         else {
2508                 /* no tweaks if event was handled */
2509                 if ((action & WM_HANDLER_BREAK)) {
2510                         WM_gesture_end(C, win->tweak);
2511                 }
2512                 else
2513                         tweak_gesture_modal(C, event);
2514         }
2515 }
2516
2517 /* *********************** lasso gesture ****************** */
2518
2519 int WM_gesture_lasso_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2520 {
2521         PropertyRNA *prop;
2522
2523         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LASSO);
2524         
2525         /* add modal handler */
2526         WM_event_add_modal_handler(C, op);
2527         
2528         wm_gesture_tag_redraw(C);
2529         
2530         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2531                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2532         }
2533         
2534         return OPERATOR_RUNNING_MODAL;
2535 }
2536
2537 int WM_gesture_lines_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2538 {
2539         PropertyRNA *prop;
2540
2541         op->customdata = WM_gesture_new(C, event, WM_GESTURE_LINES);
2542         
2543         /* add modal handler */
2544         WM_event_add_modal_handler(C, op);
2545         
2546         wm_gesture_tag_redraw(C);
2547         
2548         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2549                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2550         }
2551         
2552         return OPERATOR_RUNNING_MODAL;
2553 }
2554
2555
2556 static void gesture_lasso_apply(bContext *C, wmOperator *op)
2557 {
2558         wmGesture *gesture = op->customdata;
2559         PointerRNA itemptr;
2560         float loc[2];
2561         int i;
2562         const short *lasso = gesture->customdata;
2563         
2564         /* operator storage as path. */
2565
2566         RNA_collection_clear(op->ptr, "path");
2567         for (i = 0; i < gesture->points; i++, lasso += 2) {
2568                 loc[0] = lasso[0];
2569                 loc[1] = lasso[1];
2570                 RNA_collection_add(op->ptr, "path", &itemptr);
2571                 RNA_float_set_array(&itemptr, "loc", loc);
2572         }
2573         
2574         wm_gesture_end(C, op);
2575                 
2576         if (op->type->exec) {
2577                 int retval = op->type->exec(C, op);
2578                 OPERATOR_RETVAL_CHECK(retval);
2579         }
2580 }
2581
2582 int WM_gesture_lasso_modal(bContext *C, wmOperator *op, const wmEvent *event)
2583 {
2584         wmGesture *gesture = op->customdata;
2585         int sx, sy;
2586         
2587         switch (event->type) {
2588                 case MOUSEMOVE:
2589                 case INBETWEEN_MOUSEMOVE:
2590                         
2591                         wm_gesture_tag_redraw(C);
2592                         
2593                         wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2594
2595                         if (gesture->points == gesture->size) {
2596                                 short *old_lasso = gesture->customdata;
2597                                 gesture->customdata = MEM_callocN(2 * sizeof(short) * (gesture->size + WM_LASSO_MIN_POINTS), "lasso points");
2598                                 memcpy(gesture->customdata, old_lasso, 2 * sizeof(short) * gesture->size);
2599                                 gesture->size = gesture->size + WM_LASSO_MIN_POINTS;
2600                                 MEM_freeN(old_lasso);
2601                                 // printf("realloc\n");
2602                         }
2603
2604                         {
2605                                 int x, y;
2606                                 short *lasso = gesture->customdata;
2607                                 
2608                                 lasso += (2 * gesture->points - 2);
2609                                 x = (event->x - sx - lasso[0]);
2610                                 y = (event->y - sy - lasso[1]);
2611                                 
2612                                 /* make a simple distance check to get a smoother lasso
2613                                  * add only when at least 2 pixels between this and previous location */
2614                                 if ((x * x + y * y) > 4) {
2615                                         lasso += 2;
2616                                         lasso[0] = event->x - sx;
2617                                         lasso[1] = event->y - sy;
2618                                         gesture->points++;
2619                                 }
2620                         }
2621                         break;
2622                         
2623                 case LEFTMOUSE:
2624                 case MIDDLEMOUSE:
2625                 case RIGHTMOUSE:
2626                         if (event->val == KM_RELEASE) {   /* key release */
2627                                 gesture_lasso_apply(C, op);
2628                                 return OPERATOR_FINISHED;
2629                         }
2630                         break;
2631                 case ESCKEY:
2632                         wm_gesture_end(C, op);
2633                         return OPERATOR_CANCELLED;
2634         }
2635         return OPERATOR_RUNNING_MODAL;
2636 }
2637
2638 int WM_gesture_lines_modal(bContext *C, wmOperator *op, const wmEvent *event)
2639 {
2640         return WM_gesture_lasso_modal(C, op, event);
2641 }
2642
2643 void WM_gesture_lasso_cancel(bContext *C, wmOperator *op)
2644 {
2645         wm_gesture_end(C, op);
2646 }
2647
2648 void WM_gesture_lines_cancel(bContext *C, wmOperator *op)
2649 {
2650         wm_gesture_end(C, op);
2651 }
2652
2653 /**
2654  * helper function, we may want to add options for conversion to view space
2655  *
2656  * caller must free.
2657  */
2658 const int (*WM_gesture_lasso_path_to_array(bContext *UNUSED(C), wmOperator *op, int *mcords_tot))[2]
2659 {
2660         PropertyRNA *prop = RNA_struct_find_property(op->ptr, "path");
2661         int (*mcords)[2] = NULL;
2662         BLI_assert(prop != NULL);
2663
2664         if (prop) {
2665                 const int len = RNA_property_collection_length(op->ptr, prop);
2666
2667                 if (len) {
2668                         int i = 0;
2669                         mcords = MEM_mallocN(sizeof(int) * 2 * len, __func__);
2670
2671                         RNA_PROP_BEGIN (op->ptr, itemptr, prop)
2672                         {
2673                                 float loc[2];
2674
2675                                 RNA_float_get_array(&itemptr, "loc", loc);
2676                                 mcords[i][0] = (int)loc[0];
2677                                 mcords[i][1] = (int)loc[1];
2678                                 i++;
2679                         }
2680                         RNA_PROP_END;
2681                 }
2682                 *mcords_tot = len;
2683         }
2684         else {
2685                 *mcords_tot = 0;
2686         }
2687
2688         /* cast for 'const' */
2689         return (const int (*)[2])mcords;
2690 }
2691
2692 #if 0
2693 /* template to copy from */
2694
2695 static int gesture_lasso_exec(bContext *C, wmOperator *op)
2696 {
2697         RNA_BEGIN (op->ptr, itemptr, "path")
2698         {
2699                 float loc[2];
2700                 
2701                 RNA_float_get_array(&itemptr, "loc", loc);
2702                 printf("Location: %f %f\n", loc[0], loc[1]);
2703         }
2704         RNA_END;
2705         
2706         return OPERATOR_FINISHED;
2707 }
2708
2709 void WM_OT_lasso_gesture(wmOperatorType *ot)
2710 {
2711         PropertyRNA *prop;
2712         
2713         ot->name = "Lasso Gesture";
2714         ot->idname = "WM_OT_lasso_gesture";
2715         ot->description = "Select objects within the lasso as you move the pointer";
2716         
2717         ot->invoke = WM_gesture_lasso_invoke;
2718         ot->modal = WM_gesture_lasso_modal;
2719         ot->exec = gesture_lasso_exec;
2720         
2721         ot->poll = WM_operator_winactive;
2722         
2723         prop = RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
2724         RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
2725 }
2726 #endif
2727
2728 /* *********************** straight line gesture ****************** */
2729
2730 static int straightline_apply(bContext *C, wmOperator *op)
2731 {
2732         wmGesture *gesture = op->customdata;
2733         rcti *rect = gesture->customdata;
2734         
2735         if (rect->xmin == rect->xmax && rect->ymin == rect->ymax)
2736                 return 0;
2737         
2738         /* operator arguments and storage. */
2739         RNA_int_set(op->ptr, "xstart", rect->xmin);
2740         RNA_int_set(op->ptr, "ystart", rect->ymin);
2741         RNA_int_set(op->ptr, "xend", rect->xmax);
2742         RNA_int_set(op->ptr, "yend", rect->ymax);
2743
2744         if (op->type->exec) {
2745                 int retval = op->type->exec(C, op);
2746                 OPERATOR_RETVAL_CHECK(retval);
2747         }
2748         
2749         return 1;
2750 }
2751
2752
2753 int WM_gesture_straightline_invoke(bContext *C, wmOperator *op, const wmEvent *event)
2754 {
2755         PropertyRNA *prop;
2756
2757         op->customdata = WM_gesture_new(C, event, WM_GESTURE_STRAIGHTLINE);
2758         
2759         /* add modal handler */
2760         WM_event_add_modal_handler(C, op);
2761         
2762         wm_gesture_tag_redraw(C);
2763         
2764         if ((prop = RNA_struct_find_property(op->ptr, "cursor"))) {
2765                 WM_cursor_modal_set(CTX_wm_window(C), RNA_property_int_get(op->ptr, prop));
2766         }
2767                 
2768         return OPERATOR_RUNNING_MODAL;
2769 }
2770
2771 int WM_gesture_straightline_modal(bContext *C, wmOperator *op, const wmEvent *event)
2772 {
2773         wmGesture *gesture = op->customdata;
2774         rcti *rect = gesture->customdata;
2775         int sx, sy;
2776         
2777         if (event->type == MOUSEMOVE) {
2778                 wm_subwindow_origin_get(CTX_wm_window(C), gesture->swinid, &sx, &sy);
2779                 
2780                 if (gesture->mode == 0) {
2781                         rect->xmin = rect->xmax = event->x - sx;
2782                         rect->ymin = rect->ymax = event->y - sy;
2783                 }
2784                 else {
2785                         rect->xmax = event->x - sx;
2786                         rect->ymax = event->y - sy;
2787                         straightline_apply(C, op);
2788                 }
2789                 
2790                 wm_gesture_tag_redraw(C);
2791         }
2792         else if (event->type == EVT_MODAL_MAP) {
2793                 switch (event->val) {
2794                         case GESTURE_MODAL_BEGIN:
2795                                 if (gesture->mode == 0) {
2796                                         gesture->mode = 1;
2797                                         wm_gesture_tag_redraw(C);
2798                                 }
2799                                 break;
2800                         case GESTURE_MODAL_SELECT:
2801                                 if (straightline_apply(C, op)) {
2802                                         wm_gesture_end(C, op);
2803                                         return OPERATOR_FINISHED;
2804                                 }
2805                                 wm_gesture_end(C, op);
2806                                 return OPERATOR_CANCELLED;
2807                                 
2808                         case GESTURE_MODAL_CANCEL:
2809                                 wm_gesture_end(C, op);
2810                                 return OPERATOR_CANCELLED;
2811                 }
2812                 
2813         }
2814
2815         return OPERATOR_RUNNING_MODAL;
2816 }
2817
2818 void WM_gesture_straightline_cancel(bContext *C, wmOperator *op)
2819 {
2820         wm_gesture_end(C, op);
2821 }
2822
2823 #if 0
2824 /* template to copy from */
2825 void WM_OT_straightline_gesture(wmOperatorType *ot)
2826 {
2827         PropertyRNA *prop;
2828         
2829         ot->name = "Straight Line Gesture";
2830         ot->idname = "WM_OT_straightline_gesture";
2831         ot->description = "Draw a straight line as you move the pointer";
2832         
2833         ot->invoke = WM_gesture_straightline_invoke;
2834         ot->modal = WM_gesture_straightline_modal;
2835         ot->exec = gesture_straightline_exec;
2836         
2837         ot->poll = WM_operator_winactive;
2838         
2839         WM_operator_properties_gesture_straightline(ot, 0);
2840 }
2841 #endif
2842
2843 /* *********************** radial control ****************** */
2844
2845 #define WM_RADIAL_CONTROL_DISPLAY_SIZE (200 * U.pixelsize)
2846 #define WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE (35 * U.pixelsize)
2847 #define WM_RADIAL_CONTROL_DISPLAY_WIDTH (WM_RADIAL_CONTROL_DISPLAY_SIZE - WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE)
2848 #define WM_RADIAL_MAX_STR 10
2849
2850 typedef struct {
2851         PropertyType type;
2852         PropertySubType subtype;
2853         PointerRNA ptr, col_ptr, fill_col_ptr, rot_ptr, zoom_ptr, image_id_ptr;
2854         PointerRNA fill_col_override_ptr, fill_col_override_test_ptr;
2855         PropertyRNA *prop, *col_prop, *fill_col_prop, *rot_prop, *zoom_prop;
2856         PropertyRNA *fill_col_override_prop, *fill_col_override_test_prop;
2857         StructRNA *image_id_srna;
2858         float initial_value, current_value, min_value, max_value;
2859         int initial_mouse[2];
2860         int slow_mouse[2];
2861         bool slow_mode;
2862         Dial *dial;
2863         unsigned int gltex;
2864         ListBase orig_paintcursors;
2865         bool use_secondary_tex;
2866         void *cursor;
2867         NumInput num_input;
2868 } RadialControl;
2869
2870 static void radial_control_update_header(wmOperator *op, bContext *C)
2871 {
2872         RadialControl *rc = op->customdata;
2873         char msg[UI_MAX_DRAW_STR];
2874         ScrArea *sa = CTX_wm_area(C);
2875         Scene *scene = CTX_data_scene(C);
2876         
2877         if (sa) {
2878                 if (hasNumInput(&rc->num_input)) {
2879                         char num_str[NUM_STR_REP_LEN];
2880                         outputNumInput(&rc->num_input, num_str, &scene->unit);
2881                         BLI_snprintf(msg, sizeof(msg), "%s: %s", RNA_property_ui_name(rc->prop), num_str);
2882                 }
2883                 else {
2884                         const char *ui_name = RNA_property_ui_name(rc->prop);
2885                         switch (rc->subtype) {
2886                                 case PROP_NONE:
2887                                 case PROP_DISTANCE:
2888                                         BLI_snprintf(msg, sizeof(msg), "%s: %0.4f", ui_name, rc->current_value);
2889                                         break;
2890                                 case PROP_PIXEL:
2891                                         BLI_snprintf(msg, sizeof(msg), "%s: %d", ui_name, (int)rc->current_value); /* XXX: round to nearest? */
2892                                         break;
2893                                 case PROP_PERCENTAGE:
2894                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.1f%%", ui_name, rc->current_value);
2895                                         break;
2896                                 case PROP_FACTOR:
2897                                         BLI_snprintf(msg, sizeof(msg), "%s: %1.3f", ui_name, rc->current_value);
2898                                         break;
2899                                 case PROP_ANGLE:
2900                                         BLI_snprintf(msg, sizeof(msg), "%s: %3.2f", ui_name, RAD2DEGF(rc->current_value));
2901                                         break;
2902                                 default:
2903                                         BLI_snprintf(msg, sizeof(msg), "%s", ui_name); /* XXX: No value? */
2904                                         break;
2905                         }
2906                 }
2907                 ED_area_headerprint(sa, msg);
2908         }
2909 }
2910
2911 static void radial_control_set_initial_mouse(RadialControl *rc, const wmEvent *event)
2912 {
2913         float d[2] = {0, 0};
2914         float zoom[2] = {1, 1};
2915
2916         rc->initial_mouse[0] = event->x;
2917         rc->initial_mouse[1] = event->y;
2918
2919         switch (rc->subtype) {
2920                 case PROP_NONE:
2921                 case PROP_DISTANCE:
2922                 case PROP_PIXEL:
2923                         d[0] = rc->initial_value * U.pixelsize;
2924                         break;
2925                 case PROP_PERCENTAGE:
2926                         d[0] = (rc->initial_value) / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2927                         break;
2928                 case PROP_FACTOR:
2929                         d[0] = (1 - rc->initial_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
2930                         break;
2931                 case PROP_ANGLE:
2932                         d[0] = WM_RADIAL_CONTROL_DISPLAY_SIZE * cosf(rc->initial_value);
2933                         d[1] = WM_RADIAL_CONTROL_DISPLAY_SIZE * sinf(rc->initial_value);
2934                         break;
2935                 default:
2936                         return;
2937         }
2938
2939         if (rc->zoom_prop) {
2940                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
2941                 d[0] *= zoom[0];
2942                 d[1] *= zoom[1];
2943         }
2944
2945         rc->initial_mouse[0] -= d[0];
2946         rc->initial_mouse[1] -= d[1];
2947 }
2948
2949 static void radial_control_set_tex(RadialControl *rc)
2950 {
2951         ImBuf *ibuf;
2952
2953         switch (RNA_type_to_ID_code(rc->image_id_ptr.type)) {
2954                 case ID_BR:
2955                         if ((ibuf = BKE_brush_gen_radial_control_imbuf(rc->image_id_ptr.data, rc->use_secondary_tex))) {
2956                                 glGenTextures(1, &rc->gltex);
2957                                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
2958                                 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, ibuf->x, ibuf->y, 0,
2959                                              GL_ALPHA, GL_FLOAT, ibuf->rect_float);
2960                                 MEM_freeN(ibuf->rect_float);
2961                                 MEM_freeN(ibuf);
2962                         }
2963                         break;
2964                 default:
2965                         break;
2966         }
2967 }
2968
2969 static void radial_control_paint_tex(RadialControl *rc, float radius, float alpha)
2970 {
2971         float col[3] = {0, 0, 0};
2972         float rot;
2973
2974         /* set fill color */
2975         if (rc->fill_col_prop) {
2976                 PointerRNA *fill_ptr;
2977                 PropertyRNA *fill_prop;
2978
2979                 if (rc->fill_col_override_prop &&
2980                     RNA_property_boolean_get(&rc->fill_col_override_test_ptr, rc->fill_col_override_test_prop))
2981                 {
2982                         fill_ptr = &rc->fill_col_override_ptr;
2983                         fill_prop = rc->fill_col_override_prop;
2984                 }
2985                 else {
2986                         fill_ptr = &rc->fill_col_ptr;
2987                         fill_prop = rc->fill_col_prop;
2988                 }
2989
2990                 RNA_property_float_get_array(fill_ptr, fill_prop, col);
2991         }
2992         glColor4f(col[0], col[1], col[2], alpha);
2993
2994         if (rc->gltex) {
2995                 glBindTexture(GL_TEXTURE_2D, rc->gltex);
2996
2997                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
2998                 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
2999
3000                 /* set up rotation if available */
3001                 if (rc->rot_prop) {
3002                         rot = RNA_property_float_get(&rc->rot_ptr, rc->rot_prop);
3003                         glPushMatrix();
3004                         glRotatef(RAD2DEGF(rot), 0, 0, 1);
3005                 }
3006
3007                 /* draw textured quad */
3008                 GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR);
3009                 glBegin(GL_QUADS);
3010                 glTexCoord2f(0, 0);
3011                 glVertex2f(-radius, -radius);
3012                 glTexCoord2f(1, 0);
3013                 glVertex2f(radius, -radius);
3014                 glTexCoord2f(1, 1);
3015                 glVertex2f(radius, radius);
3016                 glTexCoord2f(0, 1);
3017                 glVertex2f(-radius, radius);
3018                 glEnd();
3019                 GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
3020
3021                 /* undo rotation */
3022                 if (rc->rot_prop)
3023                         glPopMatrix();
3024         }
3025         else {
3026                 /* flat color if no texture available */
3027                 glutil_draw_filled_arc(0, M_PI * 2, radius, 40);
3028         }
3029 }
3030
3031 static void radial_control_paint_cursor(bContext *C, int x, int y, void *customdata)
3032 {
3033         RadialControl *rc = customdata;
3034         ARegion *ar = CTX_wm_region(C);
3035         uiStyle *style = UI_style_get();
3036         const uiFontStyle *fstyle = &style->widget;
3037         const int fontid = fstyle->uifont_id;
3038         short fstyle_points = fstyle->points;
3039         char str[WM_RADIAL_MAX_STR];
3040         short strdrawlen = 0;
3041         float strwidth, strheight;
3042         float r1 = 0.0f, r2 = 0.0f, rmin = 0.0, tex_radius, alpha;
3043         float zoom[2], col[3] = {1, 1, 1};      
3044
3045         switch (rc->subtype) {
3046                 case PROP_NONE:
3047                 case PROP_DISTANCE:
3048                 case PROP_PIXEL:
3049                         r1 = rc->current_value * U.pixelsize;
3050                         r2 = rc->initial_value * U.pixelsize;
3051                         tex_radius = r1;
3052                         alpha = 0.75;
3053                         break;
3054                 case PROP_PERCENTAGE:
3055                         r1 = rc->current_value / 100.0f * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3056                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3057                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3058                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.1f%%", rc->current_value);
3059                         strdrawlen = BLI_strlen_utf8(str);
3060                         tex_radius = r1;
3061                         alpha = 0.75;
3062                         break;
3063                 case PROP_FACTOR:
3064                         r1 = (1 - rc->current_value) * WM_RADIAL_CONTROL_DISPLAY_WIDTH + WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3065                         r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3066                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3067                         alpha = rc->current_value / 2.0f + 0.5f;
3068                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%1.3f", rc->current_value);
3069                         strdrawlen = BLI_strlen_utf8(str);
3070                         break;
3071                 case PROP_ANGLE:
3072                         r1 = r2 = tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE;
3073                         alpha = 0.75;
3074                         rmin = WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE;
3075                         BLI_snprintf(str, WM_RADIAL_MAX_STR, "%3.2f", RAD2DEGF(rc->current_value));
3076                         strdrawlen = BLI_strlen_utf8(str);
3077                         break;
3078                 default:
3079                         tex_radius = WM_RADIAL_CONTROL_DISPLAY_SIZE; /* note, this is a dummy value */
3080                         alpha = 0.75;
3081                         break;
3082         }
3083
3084         /* Keep cursor in the original place */
3085         x = rc->initial_mouse[0] - ar->winrct.xmin;
3086         y = rc->initial_mouse[1] - ar->winrct.ymin;
3087         glTranslatef((float)x, (float)y, 0.0f);
3088
3089         glEnable(GL_BLEND);
3090         glEnable(GL_LINE_SMOOTH);
3091
3092         /* apply zoom if available */
3093         if (rc->zoom_prop) {
3094                 RNA_property_float_get_array(&rc->zoom_ptr, rc->zoom_prop, zoom);
3095                 glScalef(zoom[0], zoom[1], 1);
3096         }
3097
3098         /* draw rotated texture */
3099         radial_control_paint_tex(rc, tex_radius, alpha);
3100
3101         /* set line color */
3102         if (rc->col_prop)
3103                 RNA_property_float_get_array(&rc->col_ptr, rc->col_prop, col);
3104         glColor4f(col[0], col[1], col[2], 0.5);
3105
3106         if (rc->subtype == PROP_ANGLE) {
3107                 glPushMatrix();
3108                 /* draw original angle line */
3109                 glRotatef(RAD2DEGF(rc->initial_value), 0, 0, 1);
3110                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3111                 /* draw new angle line */
3112                 glRotatef(RAD2DEGF(rc->current_value - rc->initial_value), 0, 0, 1);
3113                 fdrawline((float)WM_RADIAL_CONTROL_DISPLAY_MIN_SIZE, 0.0f, (float)WM_RADIAL_CONTROL_DISPLAY_SIZE, 0.0f);
3114                 glPopMatrix();
3115         }
3116
3117         /* draw circles on top */
3118         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r1, 40);
3119         glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), r2, 40);
3120         if (rmin > 0.0f)
3121                 glutil_draw_lined_arc(0.0, (float)(M_PI * 2.0), rmin, 40);
3122
3123         BLF_size(fontid, 1.5 * fstyle_points, 1.0f / U.dpi);
3124         BLF_enable(fontid, BLF_SHADOW);
3125         BLF_shadow(fontid, 3, (const float[4]){0.0f, 0.0f, 0.0f, 0.5f});
3126         BLF_shadow_offset(fontid, 1, -1);
3127
3128         /* draw value */