Merge branch 'master' into blender2.8
[blender.git] / source / blender / editors / interface / interface_regions.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) 2008 Blender Foundation.
19  * All rights reserved.
20  * 
21  * Contributor(s): Blender Foundation
22  *
23  * ***** END GPL LICENSE BLOCK *****
24  */
25
26 /** \file blender/editors/interface/interface_regions.c
27  *  \ingroup edinterface
28  */
29
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <assert.h>
34
35 #include "MEM_guardedalloc.h"
36
37 #include "DNA_userdef_types.h"
38
39 #include "BLI_math.h"
40 #include "BLI_blenlib.h"
41 #include "BLI_utildefines.h"
42 #include "BLI_ghash.h"
43
44 #include "PIL_time.h"
45
46 #include "BKE_context.h"
47 #include "BKE_screen.h"
48 #include "BKE_report.h"
49 #include "BKE_global.h"
50
51 #include "WM_api.h"
52 #include "WM_types.h"
53 #include "wm_draw.h"
54 #include "wm_subwindow.h"
55
56 #include "RNA_access.h"
57
58 #include "BIF_gl.h"
59
60 #include "UI_interface.h"
61 #include "UI_interface_icons.h"
62 #include "UI_view2d.h"
63
64 #include "BLF_api.h"
65 #include "BLT_translation.h"
66
67 #include "ED_screen.h"
68
69 #include "IMB_colormanagement.h"
70
71 #include "interface_intern.h"
72
73 #define MENU_PADDING            (int)(0.2f * UI_UNIT_Y)
74 #define MENU_BORDER                     (int)(0.3f * U.widget_unit)
75
76
77 bool ui_but_menu_step_poll(const uiBut *but)
78 {
79         BLI_assert(but->type == UI_BTYPE_MENU);
80
81         /* currently only RNA buttons */
82         return ((but->menu_step_func != NULL) ||
83                 (but->rnaprop && RNA_property_type(but->rnaprop) == PROP_ENUM));
84 }
85
86 int ui_but_menu_step(uiBut *but, int direction)
87 {
88         if (ui_but_menu_step_poll(but)) {
89                 if (but->menu_step_func) {
90                         return but->menu_step_func(but->block->evil_C, direction, but->poin);
91                 }
92                 else {
93                         const int curval = RNA_property_enum_get(&but->rnapoin, but->rnaprop);
94                         return RNA_property_enum_step(but->block->evil_C, &but->rnapoin, but->rnaprop, curval, direction);
95                 }
96         }
97
98         printf("%s: cannot cycle button '%s'\n", __func__, but->str);
99         return 0;
100 }
101
102 /******************** Creating Temporary regions ******************/
103
104 static ARegion *ui_region_temp_add(bScreen *sc)
105 {
106         ARegion *ar;
107
108         ar = MEM_callocN(sizeof(ARegion), "area region");
109         BLI_addtail(&sc->regionbase, ar);
110
111         ar->regiontype = RGN_TYPE_TEMPORARY;
112         ar->alignment = RGN_ALIGN_FLOAT;
113
114         return ar;
115 }
116
117 static void ui_region_temp_remove(bContext *C, bScreen *sc, ARegion *ar)
118 {
119         wmWindow *win = CTX_wm_window(C);
120         if (win)
121                 wm_draw_region_clear(win, ar);
122
123         ED_region_exit(C, ar);
124         BKE_area_region_free(NULL, ar);     /* NULL: no spacetype */
125         BLI_freelinkN(&sc->regionbase, ar);
126 }
127
128 /************************* Creating Tooltips **********************/
129
130 #define UI_TIP_PAD_FAC      1.3f
131 #define UI_TIP_PADDING      (int)(UI_TIP_PAD_FAC * UI_UNIT_Y)
132 #define UI_TIP_MAXWIDTH     600
133
134 #define MAX_TOOLTIP_LINES 8
135 typedef struct uiTooltipData {
136         rcti bbox;
137         uiFontStyle fstyle;
138         char lines[MAX_TOOLTIP_LINES][2048];
139         char header[2048], active_info[2048];
140         struct {
141                 enum {
142                         UI_TIP_STYLE_NORMAL = 0,
143                         UI_TIP_STYLE_HEADER,
144                         UI_TIP_STYLE_MONO,
145                 } style : 3;
146                 enum {
147                         UI_TIP_LC_MAIN = 0,     /* primary text */
148                         UI_TIP_LC_VALUE,        /* the value of buttons (also shortcuts) */
149                         UI_TIP_LC_ACTIVE,       /* titles of active enum values */
150                         UI_TIP_LC_NORMAL,       /* regular text */
151                         UI_TIP_LC_PYTHON,       /* Python snippet */
152                         UI_TIP_LC_ALERT,        /* description of why operator can't run */
153                 } color_id : 4;
154                 int is_pad : 1;
155         } format[MAX_TOOLTIP_LINES];
156
157         struct {
158                 unsigned int x_pos;     /* x cursor position at the end of the last line */
159                 unsigned int lines;     /* number of lines, 1 or more with word-wrap */
160         } line_geom[MAX_TOOLTIP_LINES];
161
162         int wrap_width;
163
164         int totline;
165         int toth, lineh;
166 } uiTooltipData;
167
168 #define UI_TIP_LC_MAX 6
169
170 BLI_STATIC_ASSERT(UI_TIP_LC_MAX == UI_TIP_LC_ALERT + 1, "invalid lc-max");
171 BLI_STATIC_ASSERT(sizeof(((uiTooltipData *)NULL)->format[0]) <= sizeof(int), "oversize");
172
173 static void rgb_tint(
174         float col[3],
175         float h, float h_strength,
176         float v, float v_strength)
177 {
178         float col_hsv_from[3];
179         float col_hsv_to[3];
180
181         rgb_to_hsv_v(col, col_hsv_from);
182
183         col_hsv_to[0] = h;
184         col_hsv_to[1] = h_strength;
185         col_hsv_to[2] = (col_hsv_from[2] * (1.0f - v_strength)) + (v * v_strength);
186
187         hsv_to_rgb_v(col_hsv_to, col);
188 }
189
190 static void ui_tooltip_region_draw_cb(const bContext *UNUSED(C), ARegion *ar)
191 {
192         const float pad_px = UI_TIP_PADDING;
193         uiTooltipData *data = ar->regiondata;
194         uiWidgetColors *theme = ui_tooltip_get_theme();
195         rcti bbox = data->bbox;
196         float tip_colors[UI_TIP_LC_MAX][3];
197         unsigned char drawcol[4] = {0, 0, 0, 255}; /* to store color in while drawing (alpha is always 255) */
198
199         float *main_color    = tip_colors[UI_TIP_LC_MAIN]; /* the color from the theme */
200         float *value_color   = tip_colors[UI_TIP_LC_VALUE];
201         float *active_color  = tip_colors[UI_TIP_LC_ACTIVE];
202         float *normal_color  = tip_colors[UI_TIP_LC_NORMAL];
203         float *python_color  = tip_colors[UI_TIP_LC_PYTHON];
204         float *alert_color   = tip_colors[UI_TIP_LC_ALERT];
205
206         float background_color[3];
207         float tone_bg;
208         int i, multisample_enabled;
209
210         /* disable AA, makes widgets too blurry */
211         multisample_enabled = glIsEnabled(GL_MULTISAMPLE);
212         if (multisample_enabled)
213                 glDisable(GL_MULTISAMPLE);
214
215         wmOrtho2_region_pixelspace(ar);
216
217         /* draw background */
218         ui_draw_tooltip_background(UI_style_get(), NULL, &bbox);
219
220         /* set background_color */
221         rgb_uchar_to_float(background_color, (const unsigned char *)theme->inner);
222
223         /* calculate normal_color */
224         rgb_uchar_to_float(main_color, (const unsigned char *)theme->text);
225         copy_v3_v3(active_color, main_color);
226         copy_v3_v3(normal_color, main_color);
227         copy_v3_v3(python_color, main_color);
228         copy_v3_v3(alert_color, main_color);
229         copy_v3_v3(value_color, main_color);
230
231         /* find the brightness difference between background and text colors */
232         
233         tone_bg = rgb_to_grayscale(background_color);
234         /* tone_fg = rgb_to_grayscale(main_color); */
235
236         /* mix the colors */
237         rgb_tint(value_color,  0.0f, 0.0f, tone_bg, 0.2f);  /* light gray */
238         rgb_tint(active_color, 0.6f, 0.2f, tone_bg, 0.2f);  /* light blue */
239         rgb_tint(normal_color, 0.0f, 0.0f, tone_bg, 0.4f);  /* gray       */
240         rgb_tint(python_color, 0.0f, 0.0f, tone_bg, 0.5f);  /* dark gray  */
241         rgb_tint(alert_color,  0.0f, 0.8f, tone_bg, 0.1f);  /* red        */
242
243         /* draw text */
244         BLF_wordwrap(data->fstyle.uifont_id, data->wrap_width);
245         BLF_wordwrap(blf_mono_font, data->wrap_width);
246
247         bbox.xmin += 0.5f * pad_px;  /* add padding to the text */
248         bbox.ymax -= 0.25f * pad_px;
249
250         for (i = 0; i < data->totline; i++) {
251                 bbox.ymin = bbox.ymax - (data->lineh * data->line_geom[i].lines);
252                 if (data->format[i].style == UI_TIP_STYLE_HEADER) {
253                         /* draw header and active data (is done here to be able to change color) */
254                         uiFontStyle fstyle_header = data->fstyle;
255                         float xofs, yofs;
256
257                         /* override text-style */
258                         fstyle_header.shadow = 1;
259                         fstyle_header.shadowcolor = rgb_to_grayscale(tip_colors[UI_TIP_LC_MAIN]);
260                         fstyle_header.shadx = fstyle_header.shady = 0;
261                         fstyle_header.shadowalpha = 1.0f;
262                         fstyle_header.word_wrap = true;
263
264                         rgb_float_to_uchar(drawcol, tip_colors[UI_TIP_LC_MAIN]);
265                         UI_fontstyle_set(&fstyle_header);
266                         UI_fontstyle_draw(&fstyle_header, &bbox, data->header, drawcol);
267
268                         /* offset to the end of the last line */
269                         xofs = data->line_geom[i].x_pos;
270                         yofs = data->lineh * (data->line_geom[i].lines - 1);
271                         bbox.xmin += xofs;
272                         bbox.ymax -= yofs;
273
274                         rgb_float_to_uchar(drawcol, tip_colors[UI_TIP_LC_ACTIVE]);
275                         fstyle_header.shadow = 0;
276                         UI_fontstyle_draw(&fstyle_header, &bbox, data->active_info, drawcol);
277
278                         /* undo offset */
279                         bbox.xmin -= xofs;
280                         bbox.ymax += yofs;
281                 }
282                 else if (data->format[i].style == UI_TIP_STYLE_MONO) {
283                         uiFontStyle fstyle_mono = data->fstyle;
284
285                         fstyle_mono.uifont_id = blf_mono_font;
286                         fstyle_mono.word_wrap = true;
287
288                         UI_fontstyle_set(&fstyle_mono);
289                         /* XXX, needed because we dont have mono in 'U.uifonts' */
290                         BLF_size(fstyle_mono.uifont_id, fstyle_mono.points * U.pixelsize, U.dpi);
291                         rgb_float_to_uchar(drawcol, tip_colors[data->format[i].color_id]);
292                         UI_fontstyle_draw(&fstyle_mono, &bbox, data->lines[i], drawcol);
293                 }
294                 else {
295                         uiFontStyle fstyle_normal = data->fstyle;
296                         BLI_assert(data->format[i].style == UI_TIP_STYLE_NORMAL);
297                         fstyle_normal.word_wrap = true;
298
299                         /* draw remaining data */
300                         UI_fontstyle_set(&fstyle_normal);
301                         rgb_float_to_uchar(drawcol, tip_colors[data->format[i].color_id]);
302                         UI_fontstyle_draw(&fstyle_normal, &bbox, data->lines[i], drawcol);
303                 }
304
305                 bbox.ymax -= data->lineh * data->line_geom[i].lines;
306
307                 if ((i + 1 != data->totline) && data->format[i + 1].is_pad) {
308                         bbox.ymax -= data->lineh * (UI_TIP_PAD_FAC - 1);
309                 }
310         }
311
312         BLF_disable(data->fstyle.uifont_id, BLF_WORD_WRAP);
313         BLF_disable(blf_mono_font, BLF_WORD_WRAP);
314
315         if (multisample_enabled)
316                 glEnable(GL_MULTISAMPLE);
317 }
318
319 static void ui_tooltip_region_free_cb(ARegion *ar)
320 {
321         uiTooltipData *data;
322
323         data = ar->regiondata;
324         MEM_freeN(data);
325         ar->regiondata = NULL;
326 }
327
328 static uiTooltipData *ui_tooltip_data_from_button(bContext *C, uiBut *but)
329 {
330         uiStringInfo but_tip = {BUT_GET_TIP, NULL};
331         uiStringInfo enum_label = {BUT_GET_RNAENUM_LABEL, NULL};
332         uiStringInfo enum_tip = {BUT_GET_RNAENUM_TIP, NULL};
333         uiStringInfo op_keymap = {BUT_GET_OP_KEYMAP, NULL};
334         uiStringInfo prop_keymap = {BUT_GET_PROP_KEYMAP, NULL};
335         uiStringInfo rna_struct = {BUT_GET_RNASTRUCT_IDENTIFIER, NULL};
336         uiStringInfo rna_prop = {BUT_GET_RNAPROP_IDENTIFIER, NULL};
337
338         char buf[512];
339
340         /* create tooltip data */
341         uiTooltipData *data = MEM_callocN(sizeof(uiTooltipData), "uiTooltipData");
342
343         UI_but_string_info_get(C, but, &but_tip, &enum_label, &enum_tip, &op_keymap, &prop_keymap, &rna_struct, &rna_prop, NULL);
344
345         /* Tip */
346         if (but_tip.strinfo) {
347                 BLI_strncpy(data->header, but_tip.strinfo, sizeof(data->lines[0]));
348                 if (enum_label.strinfo) {
349                         BLI_snprintf(data->header, sizeof(data->header), "%s:  ", but_tip.strinfo);
350                         BLI_strncpy(data->active_info, enum_label.strinfo, sizeof(data->lines[0]));
351                 }
352                 data->format[data->totline].style = UI_TIP_STYLE_HEADER;
353                 data->totline++;
354
355                 /* special case enum rna buttons */
356                 if ((but->type & UI_BTYPE_ROW) && but->rnaprop && RNA_property_flag(but->rnaprop) & PROP_ENUM_FLAG) {
357                         BLI_strncpy(data->lines[data->totline], IFACE_("(Shift-Click/Drag to select multiple)"),
358                                     sizeof(data->lines[0]));
359
360                         data->format[data->totline].color_id = UI_TIP_LC_NORMAL;
361                         data->totline++;
362                 }
363
364         }
365         /* Enum item label & tip */
366         if (enum_tip.strinfo) {
367                 BLI_strncpy(data->lines[data->totline], enum_tip.strinfo, sizeof(data->lines[0]));
368                 data->format[data->totline].is_pad = true;
369                 data->format[data->totline].color_id = UI_TIP_LC_VALUE;
370                 data->totline++;
371         }
372
373         /* Op shortcut */
374         if (op_keymap.strinfo) {
375                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Shortcut: %s"), op_keymap.strinfo);
376                 data->format[data->totline].is_pad = true;
377                 data->format[data->totline].color_id = UI_TIP_LC_VALUE;
378                 data->totline++;
379         }
380         
381         /* Property context-toggle shortcut */
382         if (prop_keymap.strinfo) {
383                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Shortcut: %s"), prop_keymap.strinfo);
384                 data->format[data->totline].is_pad = true;
385                 data->format[data->totline].color_id = UI_TIP_LC_VALUE;
386                 data->totline++;
387         }
388
389         if (ELEM(but->type, UI_BTYPE_TEXT, UI_BTYPE_SEARCH_MENU)) {
390                 /* better not show the value of a password */
391                 if ((but->rnaprop && (RNA_property_subtype(but->rnaprop) == PROP_PASSWORD)) == 0) {
392                         /* full string */
393                         ui_but_string_get(but, buf, sizeof(buf));
394                         if (buf[0]) {
395                                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Value: %s"), buf);
396                                 data->format[data->totline].is_pad = true;
397                                 data->format[data->totline].color_id = UI_TIP_LC_VALUE;
398                                 data->totline++;
399                         }
400                 }
401         }
402
403         if (but->rnaprop) {
404                 int unit_type = UI_but_unit_type_get(but);
405                 
406                 if (unit_type == PROP_UNIT_ROTATION) {
407                         if (RNA_property_type(but->rnaprop) == PROP_FLOAT) {
408                                 float value = RNA_property_array_check(but->rnaprop) ?
409                                                   RNA_property_float_get_index(&but->rnapoin, but->rnaprop, but->rnaindex) :
410                                                   RNA_property_float_get(&but->rnapoin, but->rnaprop);
411                                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Radians: %f"), value);
412                                 data->format[data->totline].color_id = UI_TIP_LC_NORMAL;
413                                 data->totline++;
414                         }
415                 }
416                 
417                 if (but->flag & UI_BUT_DRIVEN) {
418                         if (ui_but_anim_expression_get(but, buf, sizeof(buf))) {
419                                 /* expression */
420                                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Expression: %s"), buf);
421                                 data->format[data->totline].color_id = UI_TIP_LC_NORMAL;
422                                 data->totline++;
423                         }
424                 }
425
426                 if (but->rnapoin.id.data) {
427                         ID *id = but->rnapoin.id.data;
428                         if (ID_IS_LINKED_DATABLOCK(id)) {
429                                 BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Library: %s"), id->lib->name);
430                                 data->format[data->totline].color_id = UI_TIP_LC_NORMAL;
431                                 data->totline++;
432                         }
433                 }
434         }
435         else if (but->optype) {
436                 PointerRNA *opptr;
437                 char *str;
438                 opptr = UI_but_operator_ptr_get(but); /* allocated when needed, the button owns it */
439
440                 /* so the context is passed to itemf functions (some py itemf functions use it) */
441                 WM_operator_properties_sanitize(opptr, false);
442
443                 str = WM_operator_pystring_ex(C, NULL, false, false, but->optype, opptr);
444
445                 /* avoid overly verbose tips (eg, arrays of 20 layers), exact limit is arbitrary */
446                 WM_operator_pystring_abbreviate(str, 32);
447
448                 /* operator info */
449                 if ((U.flag & USER_TOOLTIPS_PYTHON) == 0) {
450                         BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Python: %s"), str);
451                         data->format[data->totline].style = UI_TIP_STYLE_MONO;
452                         data->format[data->totline].is_pad = true;
453                         data->format[data->totline].color_id = UI_TIP_LC_PYTHON;
454                         data->totline++;
455                 }
456
457                 MEM_freeN(str);
458         }
459
460         /* button is disabled, we may be able to tell user why */
461         if (but->flag & UI_BUT_DISABLED) {
462                 const char *disabled_msg = NULL;
463
464                 /* if operator poll check failed, it can give pretty precise info why */
465                 if (but->optype) {
466                         CTX_wm_operator_poll_msg_set(C, NULL);
467                         WM_operator_poll_context(C, but->optype, but->opcontext);
468                         disabled_msg = CTX_wm_operator_poll_msg_get(C);
469                 }
470                 /* alternatively, buttons can store some reasoning too */
471                 else if (but->disabled_info) {
472                         disabled_msg = TIP_(but->disabled_info);
473                 }
474
475                 if (disabled_msg && disabled_msg[0]) {
476                         BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]), TIP_("Disabled: %s"), disabled_msg);
477                         data->format[data->totline].color_id = UI_TIP_LC_ALERT;
478                         data->totline++;
479                 }
480         }
481
482         if ((U.flag & USER_TOOLTIPS_PYTHON) == 0 && !but->optype && rna_struct.strinfo) {
483                 if (rna_prop.strinfo) {
484                         /* Struct and prop */
485                         BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]),
486                                      TIP_("Python: %s.%s"),
487                                      rna_struct.strinfo, rna_prop.strinfo);
488                 }
489                 else {
490                         /* Only struct (e.g. menus) */
491                         BLI_snprintf(data->lines[data->totline], sizeof(data->lines[0]),
492                                      TIP_("Python: %s"), rna_struct.strinfo);
493                 }
494                 data->format[data->totline].style = UI_TIP_STYLE_MONO;
495                 data->format[data->totline].is_pad = true;
496                 data->format[data->totline].color_id = UI_TIP_LC_PYTHON;
497                 data->totline++;
498
499                 if (but->rnapoin.id.data) {
500                         /* this could get its own 'BUT_GET_...' type */
501
502                         /* never fails */
503                         char *id_path;
504
505                         if (but->rnaprop) {
506                                 id_path = RNA_path_full_property_py_ex(&but->rnapoin, but->rnaprop, but->rnaindex, true);
507                         }
508                         else {
509                                 id_path = RNA_path_full_struct_py(&but->rnapoin);
510                         }
511
512                         BLI_strncat_utf8(data->lines[data->totline], id_path, sizeof(data->lines[0]));
513                         MEM_freeN(id_path);
514
515                         data->format[data->totline].style = UI_TIP_STYLE_MONO;
516                         data->format[data->totline].color_id = UI_TIP_LC_PYTHON;
517                         data->totline++;
518                 }
519         }
520
521         /* Free strinfo's... */
522         if (but_tip.strinfo)
523                 MEM_freeN(but_tip.strinfo);
524         if (enum_label.strinfo)
525                 MEM_freeN(enum_label.strinfo);
526         if (enum_tip.strinfo)
527                 MEM_freeN(enum_tip.strinfo);
528         if (op_keymap.strinfo)
529                 MEM_freeN(op_keymap.strinfo);
530         if (prop_keymap.strinfo)
531                 MEM_freeN(prop_keymap.strinfo);
532         if (rna_struct.strinfo)
533                 MEM_freeN(rna_struct.strinfo);
534         if (rna_prop.strinfo)
535                 MEM_freeN(rna_prop.strinfo);
536
537         BLI_assert(data->totline < MAX_TOOLTIP_LINES);
538         
539         if (data->totline == 0) {
540                 MEM_freeN(data);
541                 return NULL;
542         }
543         else {
544                 return data;
545         }
546 }
547
548 ARegion *ui_tooltip_create(bContext *C, ARegion *butregion, uiBut *but)
549 {
550         const float pad_px = UI_TIP_PADDING;
551         wmWindow *win = CTX_wm_window(C);
552         const int winx = WM_window_pixels_x(win);
553         uiStyle *style = UI_style_get();
554         static ARegionType type;
555         ARegion *ar;
556 /*      IDProperty *prop;*/
557         /* aspect values that shrink text are likely unreadable */
558         const float aspect = min_ff(1.0f, but->block->aspect);
559         int fonth, fontw;
560         int ofsx, ofsy, h, i;
561         rctf rect_fl;
562         rcti rect_i;
563         int font_flag = 0;
564
565         if (but->drawflag & UI_BUT_NO_TOOLTIP) {
566                 return NULL;
567         }
568
569         uiTooltipData *data = ui_tooltip_data_from_button(C, but);
570         if (data == NULL) {
571                 return NULL;
572         }
573
574         /* create area region */
575         ar = ui_region_temp_add(CTX_wm_screen(C));
576
577         memset(&type, 0, sizeof(ARegionType));
578         type.draw = ui_tooltip_region_draw_cb;
579         type.free = ui_tooltip_region_free_cb;
580         type.regionid = RGN_TYPE_TEMPORARY;
581         ar->type = &type;
582         
583         /* set font, get bb */
584         data->fstyle = style->widget; /* copy struct */
585         ui_fontscale(&data->fstyle.points, aspect);
586
587         UI_fontstyle_set(&data->fstyle);
588
589         data->wrap_width = min_ii(UI_TIP_MAXWIDTH * U.pixelsize / aspect, winx - (UI_TIP_PADDING * 2));
590
591         font_flag |= BLF_WORD_WRAP;
592         if (data->fstyle.kerning == 1) {
593                 font_flag |= BLF_KERNING_DEFAULT;
594         }
595         BLF_enable(data->fstyle.uifont_id, font_flag);
596         BLF_enable(blf_mono_font, font_flag);
597         BLF_wordwrap(data->fstyle.uifont_id, data->wrap_width);
598         BLF_wordwrap(blf_mono_font, data->wrap_width);
599
600         /* these defines tweaked depending on font */
601 #define TIP_BORDER_X (16.0f / aspect)
602 #define TIP_BORDER_Y (6.0f / aspect)
603
604         h = BLF_height_max(data->fstyle.uifont_id);
605
606         for (i = 0, fontw = 0, fonth = 0; i < data->totline; i++) {
607                 struct ResultBLF info;
608                 int w, x_pos = 0;
609
610                 if (data->format[i].style == UI_TIP_STYLE_HEADER) {
611                         w = BLF_width_ex(data->fstyle.uifont_id, data->header, sizeof(data->header), &info);
612                         /* check for enum label */
613                         if (data->active_info[0]) {
614                                 x_pos = info.width;
615                                 w = max_ii(w, x_pos + BLF_width(data->fstyle.uifont_id, data->active_info, sizeof(data->active_info)));
616                         }
617                 }
618                 else if (data->format[i].style == UI_TIP_STYLE_MONO) {
619                         BLF_size(blf_mono_font, data->fstyle.points * U.pixelsize, U.dpi);
620
621                         w = BLF_width_ex(blf_mono_font, data->lines[i], sizeof(data->lines[i]), &info);
622                 }
623                 else {
624                         BLI_assert(data->format[i].style == UI_TIP_STYLE_NORMAL);
625
626                         w = BLF_width_ex(data->fstyle.uifont_id, data->lines[i], sizeof(data->lines[i]), &info);
627                 }
628
629                 fontw = max_ii(fontw, w);
630
631                 fonth += h * info.lines;
632                 if ((i + 1 != data->totline) && data->format[i + 1].is_pad) {
633                         fonth += h * (UI_TIP_PAD_FAC - 1);
634                 }
635
636                 data->line_geom[i].lines = info.lines;
637                 data->line_geom[i].x_pos = x_pos;
638         }
639
640         //fontw *= aspect;
641
642         BLF_disable(data->fstyle.uifont_id, font_flag);
643         BLF_disable(blf_mono_font, font_flag);
644
645         ar->regiondata = data;
646
647         data->toth = fonth;
648         data->lineh = h;
649
650         /* compute position */
651         ofsx = 0; //(but->block->panel) ? but->block->panel->ofsx : 0;
652         ofsy = 0; //(but->block->panel) ? but->block->panel->ofsy : 0;
653
654         rect_fl.xmin = BLI_rctf_cent_x(&but->rect) + ofsx - TIP_BORDER_X;
655         rect_fl.xmax = rect_fl.xmin + fontw + pad_px;
656         rect_fl.ymax = but->rect.ymin + ofsy - TIP_BORDER_Y;
657         rect_fl.ymin = rect_fl.ymax - fonth  - TIP_BORDER_Y;
658         
659         /* since the text has beens caled already, the size of tooltips is defined now */
660         /* here we try to figure out the right location */
661         if (butregion) {
662                 float mx, my;
663                 float ofsx_fl = rect_fl.xmin, ofsy_fl = rect_fl.ymax;
664                 ui_block_to_window_fl(butregion, but->block, &ofsx_fl, &ofsy_fl);
665
666 #if 1
667                 /* use X mouse location */
668                 mx = (win->eventstate->x + (TIP_BORDER_X * 2)) - BLI_rctf_cent_x(&but->rect);
669 #else
670                 mx = ofsx_fl - rect_fl.xmin;
671 #endif
672                 my = ofsy_fl - rect_fl.ymax;
673
674                 BLI_rctf_translate(&rect_fl, mx, my);
675         }
676         BLI_rcti_rctf_copy(&rect_i, &rect_fl);
677
678 #undef TIP_BORDER_X
679 #undef TIP_BORDER_Y
680
681         /* clip with window boundaries */
682         if (rect_i.xmax > winx) {
683                 /* super size */
684                 if (rect_i.xmax > winx + rect_i.xmin) {
685                         rect_i.xmax = winx;
686                         rect_i.xmin = 0;
687                 }
688                 else {
689                         rect_i.xmin -= rect_i.xmax - winx;
690                         rect_i.xmax = winx;
691                 }
692         }
693         /* ensure at least 5 px above screen bounds
694          * 25 is just a guess to be above the menu item */
695         if (rect_i.ymin < 5) {
696                 rect_i.ymax += (-rect_i.ymin) + 30;
697                 rect_i.ymin = 30;
698         }
699
700         /* add padding */
701         BLI_rcti_resize(&rect_i,
702                         BLI_rcti_size_x(&rect_i) + pad_px,
703                         BLI_rcti_size_y(&rect_i) + pad_px);
704
705         /* widget rect, in region coords */
706         {
707                 const int margin = UI_POPUP_MARGIN;
708                 
709                 data->bbox.xmin = margin;
710                 data->bbox.xmax = BLI_rcti_size_x(&rect_i) - margin;
711                 data->bbox.ymin = margin;
712                 data->bbox.ymax = BLI_rcti_size_y(&rect_i);
713                 
714                 /* region bigger for shadow */
715                 ar->winrct.xmin = rect_i.xmin - margin;
716                 ar->winrct.xmax = rect_i.xmax + margin;
717                 ar->winrct.ymin = rect_i.ymin - margin;
718                 ar->winrct.ymax = rect_i.ymax + margin;
719         }
720
721         /* adds subwindow */
722         ED_region_init(C, ar);
723         
724         /* notify change and redraw */
725         ED_region_tag_redraw(ar);
726
727         return ar;
728 }
729
730 void ui_tooltip_free(bContext *C, ARegion *ar)
731 {
732         ui_region_temp_remove(C, CTX_wm_screen(C), ar);
733 }
734
735
736 /************************* Creating Search Box **********************/
737
738 struct uiSearchItems {
739         int maxitem, totitem, maxstrlen;
740         
741         int offset, offset_i; /* offset for inserting in array */
742         int more;  /* flag indicating there are more items */
743         
744         char **names;
745         void **pointers;
746         int *icons;
747
748         AutoComplete *autocpl;
749         void *active;
750 };
751
752 typedef struct uiSearchboxData {
753         rcti bbox;
754         uiFontStyle fstyle;
755         uiSearchItems items;
756         int active;     /* index in items array */
757         bool noback;    /* when menu opened with enough space for this */
758         bool preview;   /* draw thumbnail previews, rather than list */
759         bool use_sep;   /* use the UI_SEP_CHAR char for splitting shortcuts (good for operators, bad for data) */
760         int prv_rows, prv_cols;
761 } uiSearchboxData;
762
763 #define SEARCH_ITEMS    10
764
765 /* exported for use by search callbacks */
766 /* returns zero if nothing to add */
767 bool UI_search_item_add(uiSearchItems *items, const char *name, void *poin, int iconid)
768 {
769         /* hijack for autocomplete */
770         if (items->autocpl) {
771                 UI_autocomplete_update_name(items->autocpl, name);
772                 return true;
773         }
774         
775         /* hijack for finding active item */
776         if (items->active) {
777                 if (poin == items->active)
778                         items->offset_i = items->totitem;
779                 items->totitem++;
780                 return true;
781         }
782         
783         if (items->totitem >= items->maxitem) {
784                 items->more = 1;
785                 return false;
786         }
787         
788         /* skip first items in list */
789         if (items->offset_i > 0) {
790                 items->offset_i--;
791                 return true;
792         }
793         
794         if (items->names)
795                 BLI_strncpy(items->names[items->totitem], name, items->maxstrlen);
796         if (items->pointers)
797                 items->pointers[items->totitem] = poin;
798         if (items->icons)
799                 items->icons[items->totitem] = iconid;
800         
801         items->totitem++;
802         
803         return true;
804 }
805
806 int UI_searchbox_size_y(void)
807 {
808         return SEARCH_ITEMS * UI_UNIT_Y + 2 * UI_POPUP_MENU_TOP;
809 }
810
811 int UI_searchbox_size_x(void)
812 {
813         return 12 * UI_UNIT_X;
814 }
815
816 int UI_search_items_find_index(uiSearchItems *items, const char *name)
817 {
818         int i;
819         for (i = 0; i < items->totitem; i++) {
820                 if (STREQ(name, items->names[i])) {
821                         return i;
822                 }
823         }
824         return -1;
825 }
826
827 /* ar is the search box itself */
828 static void ui_searchbox_select(bContext *C, ARegion *ar, uiBut *but, int step)
829 {
830         uiSearchboxData *data = ar->regiondata;
831         
832         /* apply step */
833         data->active += step;
834         
835         if (data->items.totitem == 0) {
836                 data->active = -1;
837         }
838         else if (data->active >= data->items.totitem) {
839                 if (data->items.more) {
840                         data->items.offset++;
841                         data->active = data->items.totitem - 1;
842                         ui_searchbox_update(C, ar, but, false);
843                 }
844                 else {
845                         data->active = data->items.totitem - 1;
846                 }
847         }
848         else if (data->active < 0) {
849                 if (data->items.offset) {
850                         data->items.offset--;
851                         data->active = 0;
852                         ui_searchbox_update(C, ar, but, false);
853                 }
854                 else {
855                         /* only let users step into an 'unset' state for unlink buttons */
856                         data->active = (but->flag & UI_BUT_VALUE_CLEAR) ? -1 : 0;
857                 }
858         }
859         
860         ED_region_tag_redraw(ar);
861 }
862
863 static void ui_searchbox_butrect(rcti *r_rect, uiSearchboxData *data, int itemnr)
864 {
865         /* thumbnail preview */
866         if (data->preview) {
867                 int butw = (BLI_rcti_size_x(&data->bbox) - 2 * MENU_BORDER) / data->prv_cols;
868                 int buth = (BLI_rcti_size_y(&data->bbox) - 2 * MENU_BORDER) / data->prv_rows;
869                 int row, col;
870                 
871                 *r_rect = data->bbox;
872                 
873                 col = itemnr % data->prv_cols;
874                 row = itemnr / data->prv_cols;
875                 
876                 r_rect->xmin += MENU_BORDER + (col * butw);
877                 r_rect->xmax = r_rect->xmin + butw;
878                 
879                 r_rect->ymax -= MENU_BORDER + (row * buth);
880                 r_rect->ymin = r_rect->ymax - buth;
881         }
882         /* list view */
883         else {
884                 int buth = (BLI_rcti_size_y(&data->bbox) - 2 * UI_POPUP_MENU_TOP) / SEARCH_ITEMS;
885                 
886                 *r_rect = data->bbox;
887                 r_rect->xmin = data->bbox.xmin + 3.0f;
888                 r_rect->xmax = data->bbox.xmax - 3.0f;
889                 
890                 r_rect->ymax = data->bbox.ymax - UI_POPUP_MENU_TOP - itemnr * buth;
891                 r_rect->ymin = r_rect->ymax - buth;
892         }
893         
894 }
895
896 int ui_searchbox_find_index(ARegion *ar, const char *name)
897 {
898         uiSearchboxData *data = ar->regiondata;
899         return UI_search_items_find_index(&data->items, name);
900 }
901
902 /* x and y in screencoords */
903 bool ui_searchbox_inside(ARegion *ar, int x, int y)
904 {
905         uiSearchboxData *data = ar->regiondata;
906         
907         return BLI_rcti_isect_pt(&data->bbox, x - ar->winrct.xmin, y - ar->winrct.ymin);
908 }
909
910 /* string validated to be of correct length (but->hardmax) */
911 bool ui_searchbox_apply(uiBut *but, ARegion *ar)
912 {
913         uiSearchboxData *data = ar->regiondata;
914
915         but->func_arg2 = NULL;
916         
917         if (data->active != -1) {
918                 const char *name = data->items.names[data->active];
919                 const char *name_sep = data->use_sep ? strrchr(name, UI_SEP_CHAR) : NULL;
920
921                 BLI_strncpy(but->editstr, name, name_sep ? (name_sep - name) : data->items.maxstrlen);
922                 
923                 but->func_arg2 = data->items.pointers[data->active];
924
925                 return true;
926         }
927         else if (but->flag & UI_BUT_VALUE_CLEAR) {
928                 /* It is valid for _VALUE_CLEAR flavor to have no active element (it's a valid way to unlink). */
929                 but->editstr[0] = '\0';
930
931                 return true;
932         }
933         else {
934                 return false;
935         }
936 }
937
938 void ui_searchbox_event(bContext *C, ARegion *ar, uiBut *but, const wmEvent *event)
939 {
940         uiSearchboxData *data = ar->regiondata;
941         int type = event->type, val = event->val;
942         
943         if (type == MOUSEPAN)
944                 ui_pan_to_scroll(event, &type, &val);
945         
946         switch (type) {
947                 case WHEELUPMOUSE:
948                 case UPARROWKEY:
949                         ui_searchbox_select(C, ar, but, -1);
950                         break;
951                 case WHEELDOWNMOUSE:
952                 case DOWNARROWKEY:
953                         ui_searchbox_select(C, ar, but, 1);
954                         break;
955                 case MOUSEMOVE:
956                         if (BLI_rcti_isect_pt(&ar->winrct, event->x, event->y)) {
957                                 rcti rect;
958                                 int a;
959                                 
960                                 for (a = 0; a < data->items.totitem; a++) {
961                                         ui_searchbox_butrect(&rect, data, a);
962                                         if (BLI_rcti_isect_pt(&rect, event->x - ar->winrct.xmin, event->y - ar->winrct.ymin)) {
963                                                 if (data->active != a) {
964                                                         data->active = a;
965                                                         ui_searchbox_select(C, ar, but, 0);
966                                                         break;
967                                                 }
968                                         }
969                                 }
970                         }
971                         break;
972         }
973 }
974
975 /* ar is the search box itself */
976 void ui_searchbox_update(bContext *C, ARegion *ar, uiBut *but, const bool reset)
977 {
978         uiSearchboxData *data = ar->regiondata;
979         
980         /* reset vars */
981         data->items.totitem = 0;
982         data->items.more = 0;
983         if (reset == false) {
984                 data->items.offset_i = data->items.offset;
985         }
986         else {
987                 data->items.offset_i = data->items.offset = 0;
988                 data->active = -1;
989                 
990                 /* handle active */
991                 if (but->search_func && but->func_arg2) {
992                         data->items.active = but->func_arg2;
993                         but->search_func(C, but->search_arg, but->editstr, &data->items);
994                         data->items.active = NULL;
995                         
996                         /* found active item, calculate real offset by centering it */
997                         if (data->items.totitem) {
998                                 /* first case, begin of list */
999                                 if (data->items.offset_i < data->items.maxitem) {
1000                                         data->active = data->items.offset_i;
1001                                         data->items.offset_i = 0;
1002                                 }
1003                                 else {
1004                                         /* second case, end of list */
1005                                         if (data->items.totitem - data->items.offset_i <= data->items.maxitem) {
1006                                                 data->active = data->items.offset_i - data->items.totitem + data->items.maxitem;
1007                                                 data->items.offset_i = data->items.totitem - data->items.maxitem;
1008                                         }
1009                                         else {
1010                                                 /* center active item */
1011                                                 data->items.offset_i -= data->items.maxitem / 2;
1012                                                 data->active = data->items.maxitem / 2;
1013                                         }
1014                                 }
1015                         }
1016                         data->items.offset = data->items.offset_i;
1017                         data->items.totitem = 0;
1018                 }
1019         }
1020         
1021         /* callback */
1022         if (but->search_func)
1023                 but->search_func(C, but->search_arg, but->editstr, &data->items);
1024         
1025         /* handle case where editstr is equal to one of items */
1026         if (reset && data->active == -1) {
1027                 int a;
1028                 
1029                 for (a = 0; a < data->items.totitem; a++) {
1030                         const char *name = data->items.names[a];
1031                         const char *name_sep = data->use_sep ? strrchr(name, UI_SEP_CHAR) : NULL;
1032                         if (STREQLEN(but->editstr, name, name_sep ? (name_sep - name) : data->items.maxstrlen)) {
1033                                 data->active = a;
1034                                 break;
1035                         }
1036                 }
1037                 if (data->items.totitem == 1 && but->editstr[0])
1038                         data->active = 0;
1039         }
1040
1041         /* validate selected item */
1042         ui_searchbox_select(C, ar, but, 0);
1043         
1044         ED_region_tag_redraw(ar);
1045 }
1046
1047 int ui_searchbox_autocomplete(bContext *C, ARegion *ar, uiBut *but, char *str)
1048 {
1049         uiSearchboxData *data = ar->regiondata;
1050         int match = AUTOCOMPLETE_NO_MATCH;
1051
1052         if (str[0]) {
1053                 data->items.autocpl = UI_autocomplete_begin(str, ui_but_string_get_max_length(but));
1054
1055                 but->search_func(C, but->search_arg, but->editstr, &data->items);
1056
1057                 match = UI_autocomplete_end(data->items.autocpl, str);
1058                 data->items.autocpl = NULL;
1059         }
1060
1061         return match;
1062 }
1063
1064 static void ui_searchbox_region_draw_cb(const bContext *C, ARegion *ar)
1065 {
1066         uiSearchboxData *data = ar->regiondata;
1067         
1068         /* pixel space */
1069         wmOrtho2_region_pixelspace(ar);
1070
1071         if (data->noback == false)
1072                 ui_draw_search_back(NULL, NULL, &data->bbox);  /* style not used yet */
1073         
1074         /* draw text */
1075         if (data->items.totitem) {
1076                 rcti rect;
1077                 int a;
1078                 
1079                 if (data->preview) {
1080                         /* draw items */
1081                         for (a = 0; a < data->items.totitem; a++) {
1082                                 /* ensure icon is up-to-date */
1083                                 ui_icon_ensure_deferred(C, data->items.icons[a], data->preview);
1084
1085                                 ui_searchbox_butrect(&rect, data, a);
1086                                 
1087                                 /* widget itself */
1088                                 ui_draw_preview_item(&data->fstyle, &rect, data->items.names[a], data->items.icons[a],
1089                                                      (a == data->active) ? UI_ACTIVE : 0);
1090                         }
1091                         
1092                         /* indicate more */
1093                         if (data->items.more) {
1094                                 ui_searchbox_butrect(&rect, data, data->items.maxitem - 1);
1095                                 glEnable(GL_BLEND);
1096                                 UI_icon_draw(rect.xmax - 18, rect.ymin - 7, ICON_TRIA_DOWN);
1097                                 glDisable(GL_BLEND);
1098                         }
1099                         if (data->items.offset) {
1100                                 ui_searchbox_butrect(&rect, data, 0);
1101                                 glEnable(GL_BLEND);
1102                                 UI_icon_draw(rect.xmin, rect.ymax - 9, ICON_TRIA_UP);
1103                                 glDisable(GL_BLEND);
1104                         }
1105                         
1106                 }
1107                 else {
1108                         /* draw items */
1109                         for (a = 0; a < data->items.totitem; a++) {
1110                                 ui_searchbox_butrect(&rect, data, a);
1111                                 
1112                                 /* widget itself */
1113                                 ui_draw_menu_item(&data->fstyle, &rect, data->items.names[a], data->items.icons[a],
1114                                                   (a == data->active) ? UI_ACTIVE : 0, data->use_sep);
1115                                 
1116                         }
1117                         /* indicate more */
1118                         if (data->items.more) {
1119                                 ui_searchbox_butrect(&rect, data, data->items.maxitem - 1);
1120                                 glEnable(GL_BLEND);
1121                                 UI_icon_draw((BLI_rcti_size_x(&rect)) / 2, rect.ymin - 9, ICON_TRIA_DOWN);
1122                                 glDisable(GL_BLEND);
1123                         }
1124                         if (data->items.offset) {
1125                                 ui_searchbox_butrect(&rect, data, 0);
1126                                 glEnable(GL_BLEND);
1127                                 UI_icon_draw((BLI_rcti_size_x(&rect)) / 2, rect.ymax - 7, ICON_TRIA_UP);
1128                                 glDisable(GL_BLEND);
1129                         }
1130                 }
1131         }
1132 }
1133
1134 static void ui_searchbox_region_free_cb(ARegion *ar)
1135 {
1136         uiSearchboxData *data = ar->regiondata;
1137         int a;
1138
1139         /* free search data */
1140         for (a = 0; a < data->items.maxitem; a++) {
1141                 MEM_freeN(data->items.names[a]);
1142         }
1143         MEM_freeN(data->items.names);
1144         MEM_freeN(data->items.pointers);
1145         MEM_freeN(data->items.icons);
1146         
1147         MEM_freeN(data);
1148         ar->regiondata = NULL;
1149 }
1150
1151 ARegion *ui_searchbox_create_generic(bContext *C, ARegion *butregion, uiBut *but)
1152 {
1153         wmWindow *win = CTX_wm_window(C);
1154         uiStyle *style = UI_style_get();
1155         static ARegionType type;
1156         ARegion *ar;
1157         uiSearchboxData *data;
1158         float aspect = but->block->aspect;
1159         rctf rect_fl;
1160         rcti rect_i;
1161         const int margin = UI_POPUP_MARGIN;
1162         int winx /*, winy */, ofsx, ofsy;
1163         int i;
1164         
1165         /* create area region */
1166         ar = ui_region_temp_add(CTX_wm_screen(C));
1167         
1168         memset(&type, 0, sizeof(ARegionType));
1169         type.draw = ui_searchbox_region_draw_cb;
1170         type.free = ui_searchbox_region_free_cb;
1171         type.regionid = RGN_TYPE_TEMPORARY;
1172         ar->type = &type;
1173         
1174         /* create searchbox data */
1175         data = MEM_callocN(sizeof(uiSearchboxData), "uiSearchboxData");
1176
1177         /* set font, get bb */
1178         data->fstyle = style->widget; /* copy struct */
1179         data->fstyle.align = UI_STYLE_TEXT_CENTER;
1180         ui_fontscale(&data->fstyle.points, aspect);
1181         UI_fontstyle_set(&data->fstyle);
1182         
1183         ar->regiondata = data;
1184         
1185         /* special case, hardcoded feature, not draw backdrop when called from menus,
1186          * assume for design that popup already added it */
1187         if (but->block->flag & UI_BLOCK_SEARCH_MENU)
1188                 data->noback = true;
1189         
1190         if (but->a1 > 0 && but->a2 > 0) {
1191                 data->preview = true;
1192                 data->prv_rows = but->a1;
1193                 data->prv_cols = but->a2;
1194         }
1195
1196         /* only show key shortcuts when needed (not rna buttons) [#36699] */
1197         if (but->rnaprop == NULL) {
1198                 data->use_sep = true;
1199         }
1200         
1201         /* compute position */
1202         if (but->block->flag & UI_BLOCK_SEARCH_MENU) {
1203                 const int search_but_h = BLI_rctf_size_y(&but->rect) + 10;
1204                 /* this case is search menu inside other menu */
1205                 /* we copy region size */
1206
1207                 ar->winrct = butregion->winrct;
1208                 
1209                 /* widget rect, in region coords */
1210                 data->bbox.xmin = margin;
1211                 data->bbox.xmax = BLI_rcti_size_x(&ar->winrct) - margin;
1212                 data->bbox.ymin = margin;
1213                 data->bbox.ymax = BLI_rcti_size_y(&ar->winrct) - margin;
1214                 
1215                 /* check if button is lower half */
1216                 if (but->rect.ymax < BLI_rctf_cent_y(&but->block->rect)) {
1217                         data->bbox.ymin += search_but_h;
1218                 }
1219                 else {
1220                         data->bbox.ymax -= search_but_h;
1221                 }
1222         }
1223         else {
1224                 const int searchbox_width = UI_searchbox_size_x();
1225
1226                 rect_fl.xmin = but->rect.xmin - 5;   /* align text with button */
1227                 rect_fl.xmax = but->rect.xmax + 5;   /* symmetrical */
1228                 rect_fl.ymax = but->rect.ymin;
1229                 rect_fl.ymin = rect_fl.ymax - UI_searchbox_size_y();
1230
1231                 ofsx = (but->block->panel) ? but->block->panel->ofsx : 0;
1232                 ofsy = (but->block->panel) ? but->block->panel->ofsy : 0;
1233
1234                 BLI_rctf_translate(&rect_fl, ofsx, ofsy);
1235         
1236                 /* minimal width */
1237                 if (BLI_rctf_size_x(&rect_fl) < searchbox_width) {
1238                         rect_fl.xmax = rect_fl.xmin + searchbox_width;
1239                 }
1240                 
1241                 /* copy to int, gets projected if possible too */
1242                 BLI_rcti_rctf_copy(&rect_i, &rect_fl);
1243                 
1244                 if (butregion->v2d.cur.xmin != butregion->v2d.cur.xmax) {
1245                         UI_view2d_view_to_region_rcti(&butregion->v2d, &rect_fl, &rect_i);
1246                 }
1247
1248                 BLI_rcti_translate(&rect_i, butregion->winrct.xmin, butregion->winrct.ymin);
1249
1250                 winx = WM_window_pixels_x(win);
1251                 // winy = WM_window_pixels_y(win);  /* UNUSED */
1252                 //wm_window_get_size(win, &winx, &winy);
1253                 
1254                 if (rect_i.xmax > winx) {
1255                         /* super size */
1256                         if (rect_i.xmax > winx + rect_i.xmin) {
1257                                 rect_i.xmax = winx;
1258                                 rect_i.xmin = 0;
1259                         }
1260                         else {
1261                                 rect_i.xmin -= rect_i.xmax - winx;
1262                                 rect_i.xmax = winx;
1263                         }
1264                 }
1265
1266                 if (rect_i.ymin < 0) {
1267                         int newy1 = but->rect.ymax + ofsy;
1268
1269                         if (butregion->v2d.cur.xmin != butregion->v2d.cur.xmax)
1270                                 newy1 = UI_view2d_view_to_region_y(&butregion->v2d, newy1);
1271
1272                         newy1 += butregion->winrct.ymin;
1273
1274                         rect_i.ymax = BLI_rcti_size_y(&rect_i) + newy1;
1275                         rect_i.ymin = newy1;
1276                 }
1277
1278                 /* widget rect, in region coords */
1279                 data->bbox.xmin = margin;
1280                 data->bbox.xmax = BLI_rcti_size_x(&rect_i) + margin;
1281                 data->bbox.ymin = margin;
1282                 data->bbox.ymax = BLI_rcti_size_y(&rect_i) + margin;
1283                 
1284                 /* region bigger for shadow */
1285                 ar->winrct.xmin = rect_i.xmin - margin;
1286                 ar->winrct.xmax = rect_i.xmax + margin;
1287                 ar->winrct.ymin = rect_i.ymin - margin;
1288                 ar->winrct.ymax = rect_i.ymax;
1289         }
1290         
1291         /* adds subwindow */
1292         ED_region_init(C, ar);
1293         
1294         /* notify change and redraw */
1295         ED_region_tag_redraw(ar);
1296         
1297         /* prepare search data */
1298         if (data->preview) {
1299                 data->items.maxitem = data->prv_rows * data->prv_cols;
1300         }
1301         else {
1302                 data->items.maxitem = SEARCH_ITEMS;
1303         }
1304         data->items.maxstrlen = but->hardmax;
1305         data->items.totitem = 0;
1306         data->items.names = MEM_callocN(data->items.maxitem * sizeof(void *), "search names");
1307         data->items.pointers = MEM_callocN(data->items.maxitem * sizeof(void *), "search pointers");
1308         data->items.icons = MEM_callocN(data->items.maxitem * sizeof(int), "search icons");
1309         for (i = 0; i < data->items.maxitem; i++)
1310                 data->items.names[i] = MEM_callocN(but->hardmax + 1, "search pointers");
1311         
1312         return ar;
1313 }
1314
1315 /**
1316  * Similar to Python's `str.title` except...
1317  *
1318  * - we know words are upper case and ascii only.
1319  * - '_' are replaces by spaces.
1320  */
1321 static void str_tolower_titlecaps_ascii(char *str, const size_t len)
1322 {
1323         size_t i;
1324         bool prev_delim = true;
1325
1326         for (i = 0; (i < len) && str[i]; i++) {
1327                 if (str[i] >= 'A' && str[i] <= 'Z') {
1328                         if (prev_delim == false) {
1329                                 str[i] += 'a' - 'A';
1330                         }
1331                 }
1332                 else if (str[i] == '_') {
1333                         str[i] = ' ';
1334                 }
1335
1336                 prev_delim = ELEM(str[i], ' ') || (str[i] >= '0' && str[i] <= '9');
1337         }
1338
1339 }
1340
1341 static void ui_searchbox_region_draw_cb__operator(const bContext *UNUSED(C), ARegion *ar)
1342 {
1343         uiSearchboxData *data = ar->regiondata;
1344
1345         /* pixel space */
1346         wmOrtho2_region_pixelspace(ar);
1347
1348         if (data->noback == false)
1349                 ui_draw_search_back(NULL, NULL, &data->bbox);  /* style not used yet */
1350
1351         /* draw text */
1352         if (data->items.totitem) {
1353                 rcti rect;
1354                 int a;
1355
1356                 /* draw items */
1357                 for (a = 0; a < data->items.totitem; a++) {
1358                         rcti rect_pre, rect_post;
1359                         ui_searchbox_butrect(&rect, data, a);
1360
1361                         rect_pre  = rect;
1362                         rect_post = rect;
1363
1364                         rect_pre.xmax = rect_post.xmin = rect.xmin + ((rect.xmax - rect.xmin) / 4);
1365
1366                         /* widget itself */
1367                         /* NOTE: i18n messages extracting tool does the same, please keep it in sync. */
1368                         {
1369                                 wmOperatorType *ot = data->items.pointers[a];
1370
1371                                 int state = (a == data->active) ? UI_ACTIVE : 0;
1372                                 char  text_pre[128];
1373                                 char *text_pre_p = strstr(ot->idname, "_OT_");
1374                                 if (text_pre_p == NULL) {
1375                                         text_pre[0] = '\0';
1376                                 }
1377                                 else {
1378                                         int text_pre_len;
1379                                         text_pre_p += 1;
1380                                         text_pre_len = BLI_strncpy_rlen(
1381                                                 text_pre, ot->idname, min_ii(sizeof(text_pre), text_pre_p - ot->idname));
1382                                         text_pre[text_pre_len] = ':';
1383                                         text_pre[text_pre_len + 1] = '\0';
1384                                         str_tolower_titlecaps_ascii(text_pre, sizeof(text_pre));
1385                                 }
1386
1387                                 rect_pre.xmax += 4;  /* sneaky, avoid showing ugly margin */
1388                                 ui_draw_menu_item(&data->fstyle, &rect_pre, CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, text_pre),
1389                                                   data->items.icons[a], state, false);
1390                                 ui_draw_menu_item(&data->fstyle, &rect_post, data->items.names[a], 0, state, data->use_sep);
1391                         }
1392
1393                 }
1394                 /* indicate more */
1395                 if (data->items.more) {
1396                         ui_searchbox_butrect(&rect, data, data->items.maxitem - 1);
1397                         glEnable(GL_BLEND);
1398                         UI_icon_draw((BLI_rcti_size_x(&rect)) / 2, rect.ymin - 9, ICON_TRIA_DOWN);
1399                         glDisable(GL_BLEND);
1400                 }
1401                 if (data->items.offset) {
1402                         ui_searchbox_butrect(&rect, data, 0);
1403                         glEnable(GL_BLEND);
1404                         UI_icon_draw((BLI_rcti_size_x(&rect)) / 2, rect.ymax - 7, ICON_TRIA_UP);
1405                         glDisable(GL_BLEND);
1406                 }
1407         }
1408 }
1409
1410 ARegion *ui_searchbox_create_operator(bContext *C, ARegion *butregion, uiBut *but)
1411 {
1412         ARegion *ar;
1413
1414         ar = ui_searchbox_create_generic(C, butregion, but);
1415
1416         ar->type->draw = ui_searchbox_region_draw_cb__operator;
1417
1418         return ar;
1419 }
1420
1421 void ui_searchbox_free(bContext *C, ARegion *ar)
1422 {
1423         ui_region_temp_remove(C, CTX_wm_screen(C), ar);
1424 }
1425
1426 /* sets red alert if button holds a string it can't find */
1427 /* XXX weak: search_func adds all partial matches... */
1428 void ui_but_search_refresh(uiBut *but)
1429 {
1430         uiSearchItems *items;
1431         int x1;
1432
1433         /* possibly very large lists (such as ID datablocks) only
1434          * only validate string RNA buts (not pointers) */
1435         if (but->rnaprop && RNA_property_type(but->rnaprop) != PROP_STRING) {
1436                 return;
1437         }
1438
1439         items = MEM_callocN(sizeof(uiSearchItems), "search items");
1440
1441         /* setup search struct */
1442         items->maxitem = 10;
1443         items->maxstrlen = 256;
1444         items->names = MEM_callocN(items->maxitem * sizeof(void *), "search names");
1445         for (x1 = 0; x1 < items->maxitem; x1++)
1446                 items->names[x1] = MEM_callocN(but->hardmax + 1, "search names");
1447         
1448         but->search_func(but->block->evil_C, but->search_arg, but->drawstr, items);
1449         
1450         /* only redalert when we are sure of it, this can miss cases when >10 matches */
1451         if (items->totitem == 0) {
1452                 UI_but_flag_enable(but, UI_BUT_REDALERT);
1453         }
1454         else if (items->more == 0) {
1455                 if (UI_search_items_find_index(items, but->drawstr) == -1) {
1456                         UI_but_flag_enable(but, UI_BUT_REDALERT);
1457                 }
1458         }
1459         
1460         for (x1 = 0; x1 < items->maxitem; x1++) {
1461                 MEM_freeN(items->names[x1]);
1462         }
1463         MEM_freeN(items->names);
1464         MEM_freeN(items);
1465 }
1466
1467
1468 /************************* Creating Menu Blocks **********************/
1469
1470 /* position block relative to but, result is in window space */
1471 static void ui_block_position(wmWindow *window, ARegion *butregion, uiBut *but, uiBlock *block)
1472 {
1473         uiBut *bt;
1474         uiSafetyRct *saferct;
1475         rctf butrct;
1476         /*float aspect;*/ /*UNUSED*/
1477         int xsize, ysize, xof = 0, yof = 0, center;
1478         short dir1 = 0, dir2 = 0;
1479         
1480         /* transform to window coordinates, using the source button region/block */
1481         ui_block_to_window_rctf(butregion, but->block, &butrct, &but->rect);
1482
1483         /* widget_roundbox_set has this correction too, keep in sync */
1484         if (but->type != UI_BTYPE_PULLDOWN) {
1485                 if (but->drawflag & UI_BUT_ALIGN_TOP)
1486                         butrct.ymax += U.pixelsize;
1487                 if (but->drawflag & UI_BUT_ALIGN_LEFT)
1488                         butrct.xmin -= U.pixelsize;
1489         }
1490         
1491         /* calc block rect */
1492         if (block->rect.xmin == 0.0f && block->rect.xmax == 0.0f) {
1493                 if (block->buttons.first) {
1494                         BLI_rctf_init_minmax(&block->rect);
1495
1496                         for (bt = block->buttons.first; bt; bt = bt->next) {
1497                                 BLI_rctf_union(&block->rect, &bt->rect);
1498                         }
1499                 }
1500                 else {
1501                         /* we're nice and allow empty blocks too */
1502                         block->rect.xmin = block->rect.ymin = 0;
1503                         block->rect.xmax = block->rect.ymax = 20;
1504                 }
1505         }
1506                 
1507         /* aspect = (float)(BLI_rcti_size_x(&block->rect) + 4);*/ /*UNUSED*/
1508         ui_block_to_window_rctf(butregion, but->block, &block->rect, &block->rect);
1509
1510         //block->rect.xmin -= 2.0; block->rect.ymin -= 2.0;
1511         //block->rect.xmax += 2.0; block->rect.ymax += 2.0;
1512         
1513         xsize = BLI_rctf_size_x(&block->rect) + 0.2f * UI_UNIT_X;  /* 4 for shadow */
1514         ysize = BLI_rctf_size_y(&block->rect) + 0.2f * UI_UNIT_Y;
1515         /* aspect /= (float)xsize;*/ /*UNUSED*/
1516
1517         {
1518                 bool left = 0, right = 0, top = 0, down = 0;
1519                 int winx, winy;
1520                 // int offscreen;
1521
1522                 winx = WM_window_pixels_x(window);
1523                 winy = WM_window_pixels_y(window);
1524                 // wm_window_get_size(window, &winx, &winy);
1525
1526                 if (block->direction & UI_DIR_CENTER_Y) {
1527                         center = ysize / 2;
1528                 }
1529                 else {
1530                         center = 0;
1531                 }
1532                 
1533                 /* check if there's space at all */
1534                 if (butrct.xmin - xsize > 0.0f) left = 1;
1535                 if (butrct.xmax + xsize < winx) right = 1;
1536                 if (butrct.ymin - ysize + center > 0.0f) down = 1;
1537                 if (butrct.ymax + ysize - center < winy) top = 1;
1538
1539                 if (top == 0 && down == 0) {
1540                         if (butrct.ymin - ysize < winy - butrct.ymax - ysize)
1541                                 top = 1;
1542                         else
1543                                 down = 1;
1544                 }
1545                 
1546                 dir1 = (block->direction & UI_DIR_ALL);
1547
1548                 /* secundary directions */
1549                 if (dir1 & (UI_DIR_UP | UI_DIR_DOWN)) {
1550                         if      (dir1 & UI_DIR_LEFT)  dir2 = UI_DIR_LEFT;
1551                         else if (dir1 & UI_DIR_RIGHT) dir2 = UI_DIR_RIGHT;
1552                         dir1 &= (UI_DIR_UP | UI_DIR_DOWN);
1553                 }
1554
1555                 if ((dir2 == 0) && (dir1 == UI_DIR_LEFT || dir1 == UI_DIR_RIGHT)) dir2 = UI_DIR_DOWN;
1556                 if ((dir2 == 0) && (dir1 == UI_DIR_UP   || dir1 == UI_DIR_DOWN))  dir2 = UI_DIR_LEFT;
1557                 
1558                 /* no space at all? don't change */
1559                 if (left || right) {
1560                         if (dir1 == UI_DIR_LEFT  && left == 0)  dir1 = UI_DIR_RIGHT;
1561                         if (dir1 == UI_DIR_RIGHT && right == 0) dir1 = UI_DIR_LEFT;
1562                         /* this is aligning, not append! */
1563                         if (dir2 == UI_DIR_LEFT  && right == 0) dir2 = UI_DIR_RIGHT;
1564                         if (dir2 == UI_DIR_RIGHT && left == 0)  dir2 = UI_DIR_LEFT;
1565                 }
1566                 if (down || top) {
1567                         if (dir1 == UI_DIR_UP   && top == 0)  dir1 = UI_DIR_DOWN;
1568                         if (dir1 == UI_DIR_DOWN && down == 0) dir1 = UI_DIR_UP;
1569                         BLI_assert(dir2 != UI_DIR_UP);
1570 //                      if (dir2 == UI_DIR_UP   && top == 0)  dir2 = UI_DIR_DOWN;
1571                         if (dir2 == UI_DIR_DOWN && down == 0) dir2 = UI_DIR_UP;
1572                 }
1573
1574                 if (dir1 == UI_DIR_LEFT) {
1575                         xof = butrct.xmin - block->rect.xmax;
1576                         if (dir2 == UI_DIR_UP) yof = butrct.ymin - block->rect.ymin - center - MENU_PADDING;
1577                         else                   yof = butrct.ymax - block->rect.ymax + center + MENU_PADDING;
1578                 }
1579                 else if (dir1 == UI_DIR_RIGHT) {
1580                         xof = butrct.xmax - block->rect.xmin;
1581                         if (dir2 == UI_DIR_UP) yof = butrct.ymin - block->rect.ymin - center - MENU_PADDING;
1582                         else                   yof = butrct.ymax - block->rect.ymax + center + MENU_PADDING;
1583                 }
1584                 else if (dir1 == UI_DIR_UP) {
1585                         yof = butrct.ymax - block->rect.ymin;
1586                         if (dir2 == UI_DIR_RIGHT) xof = butrct.xmax - block->rect.xmax;
1587                         else                      xof = butrct.xmin - block->rect.xmin;
1588                         /* changed direction? */
1589                         if ((dir1 & block->direction) == 0) {
1590                                 UI_block_order_flip(block);
1591                         }
1592                 }
1593                 else if (dir1 == UI_DIR_DOWN) {
1594                         yof = butrct.ymin - block->rect.ymax;
1595                         if (dir2 == UI_DIR_RIGHT) xof = butrct.xmax - block->rect.xmax;
1596                         else                      xof = butrct.xmin - block->rect.xmin;
1597                         /* changed direction? */
1598                         if ((dir1 & block->direction) == 0) {
1599                                 UI_block_order_flip(block);
1600                         }
1601                 }
1602
1603                 /* and now we handle the exception; no space below or to top */
1604                 if (top == 0 && down == 0) {
1605                         if (dir1 == UI_DIR_LEFT || dir1 == UI_DIR_RIGHT) {
1606                                 /* align with bottom of screen */
1607                                 // yof = ysize; (not with menu scrolls)
1608                         }
1609                 }
1610
1611 #if 0 /* seems redundant and causes issues with blocks inside big regions */
1612                 /* or no space left or right */
1613                 if (left == 0 && right == 0) {
1614                         if (dir1 == UI_DIR_UP || dir1 == UI_DIR_DOWN) {
1615                                 /* align with left size of screen */
1616                                 xof = -block->rect.xmin + 5;
1617                         }
1618                 }
1619 #endif
1620
1621 #if 0
1622                 /* clamp to window bounds, could be made into an option if its ever annoying */
1623                 if (     (offscreen = (block->rect.ymin + yof)) < 0) yof -= offscreen;   /* bottom */
1624                 else if ((offscreen = (block->rect.ymax + yof) - winy) > 0) yof -= offscreen;  /* top */
1625                 if (     (offscreen = (block->rect.xmin + xof)) < 0) xof -= offscreen;   /* left */
1626                 else if ((offscreen = (block->rect.xmax + xof) - winx) > 0) xof -= offscreen;  /* right */
1627 #endif
1628         }
1629         
1630         /* apply offset, buttons in window coords */
1631         
1632         for (bt = block->buttons.first; bt; bt = bt->next) {
1633                 ui_block_to_window_rctf(butregion, but->block, &bt->rect, &bt->rect);
1634
1635                 BLI_rctf_translate(&bt->rect, xof, yof);
1636
1637                 /* ui_but_update recalculates drawstring size in pixels */
1638                 ui_but_update(bt);
1639         }
1640         
1641         BLI_rctf_translate(&block->rect, xof, yof);
1642
1643         /* safety calculus */
1644         {
1645                 const float midx = BLI_rctf_cent_x(&butrct);
1646                 const float midy = BLI_rctf_cent_y(&butrct);
1647                 
1648                 /* when you are outside parent button, safety there should be smaller */
1649                 
1650                 /* parent button to left */
1651                 if (midx < block->rect.xmin) block->safety.xmin = block->rect.xmin - 3;
1652                 else block->safety.xmin = block->rect.xmin - 40;
1653                 /* parent button to right */
1654                 if (midx > block->rect.xmax) block->safety.xmax = block->rect.xmax + 3;
1655                 else block->safety.xmax = block->rect.xmax + 40;
1656
1657                 /* parent button on bottom */
1658                 if (midy < block->rect.ymin) block->safety.ymin = block->rect.ymin - 3;
1659                 else block->safety.ymin = block->rect.ymin - 40;
1660                 /* parent button on top */
1661                 if (midy > block->rect.ymax) block->safety.ymax = block->rect.ymax + 3;
1662                 else block->safety.ymax = block->rect.ymax + 40;
1663
1664                 /* exception for switched pulldowns... */
1665                 if (dir1 && (dir1 & block->direction) == 0) {
1666                         if (dir2 == UI_DIR_RIGHT) block->safety.xmax = block->rect.xmax + 3;
1667                         if (dir2 == UI_DIR_LEFT)  block->safety.xmin = block->rect.xmin - 3;
1668                 }
1669                 block->direction = dir1;
1670         }
1671
1672         /* keep a list of these, needed for pulldown menus */
1673         saferct = MEM_callocN(sizeof(uiSafetyRct), "uiSafetyRct");
1674         saferct->parent = butrct;
1675         saferct->safety = block->safety;
1676         BLI_freelistN(&block->saferct);
1677         BLI_duplicatelist(&block->saferct, &but->block->saferct);
1678         BLI_addhead(&block->saferct, saferct);
1679 }
1680
1681 static void ui_block_region_draw(const bContext *C, ARegion *ar)
1682 {
1683         uiBlock *block;
1684
1685         if (ar->do_draw & RGN_DRAW_REFRESH_UI) {
1686                 uiBlock *block_next;
1687                 ar->do_draw &= ~RGN_DRAW_REFRESH_UI;
1688                 for (block = ar->uiblocks.first; block; block = block_next) {
1689                         block_next = block->next;
1690                         if (block->handle->can_refresh) {
1691                                 ui_popup_block_refresh((bContext *)C, block->handle, NULL, NULL);
1692                         }
1693                 }
1694         }
1695
1696         for (block = ar->uiblocks.first; block; block = block->next)
1697                 UI_block_draw(C, block);
1698 }
1699
1700 /**
1701  * Use to refresh centered popups on screen resizing (for splash).
1702  */
1703 static void ui_block_region_popup_window_listener(
1704         bScreen *UNUSED(sc), ScrArea *UNUSED(sa), ARegion *ar, wmNotifier *wmn, const Scene *UNUSED(scene))
1705 {
1706         switch (wmn->category) {
1707                 case NC_WINDOW:
1708                 {
1709                         switch (wmn->action) {
1710                                 case NA_EDITED:
1711                                 {
1712                                         /* window resize */
1713                                         ED_region_tag_refresh_ui(ar);
1714                                         break;
1715                                 }
1716                         }
1717                         break;
1718                 }
1719         }
1720 }
1721
1722 static void ui_popup_block_clip(wmWindow *window, uiBlock *block)
1723 {
1724         uiBut *bt;
1725         float xofs = 0.0f;
1726         int width = UI_SCREEN_MARGIN;
1727         int winx, winy;
1728
1729         if (block->flag & UI_BLOCK_NO_WIN_CLIP) {
1730                 return;
1731         }
1732
1733         winx = WM_window_pixels_x(window);
1734         winy = WM_window_pixels_y(window);
1735         
1736         /* shift menus to right if outside of view */
1737         if (block->rect.xmin < width) {
1738                 xofs = (width - block->rect.xmin);
1739                 block->rect.xmin += xofs;
1740                 block->rect.xmax += xofs;
1741         }
1742         /* or shift to left if outside of view */
1743         if (block->rect.xmax > winx - width) {
1744                 xofs = winx - width - block->rect.xmax;
1745                 block->rect.xmin += xofs;
1746                 block->rect.xmax += xofs;
1747         }
1748         
1749         if (block->rect.ymin < width)
1750                 block->rect.ymin = width;
1751         if (block->rect.ymax > winy - UI_POPUP_MENU_TOP)
1752                 block->rect.ymax = winy - UI_POPUP_MENU_TOP;
1753         
1754         /* ensure menu items draw inside left/right boundary */
1755         for (bt = block->buttons.first; bt; bt = bt->next) {
1756                 bt->rect.xmin += xofs;
1757                 bt->rect.xmax += xofs;
1758         }
1759
1760 }
1761
1762 void ui_popup_block_scrolltest(uiBlock *block)
1763 {
1764         uiBut *bt;
1765         
1766         block->flag &= ~(UI_BLOCK_CLIPBOTTOM | UI_BLOCK_CLIPTOP);
1767         
1768         for (bt = block->buttons.first; bt; bt = bt->next)
1769                 bt->flag &= ~UI_SCROLLED;
1770         
1771         if (block->buttons.first == block->buttons.last)
1772                 return;
1773         
1774         /* mark buttons that are outside boundary */
1775         for (bt = block->buttons.first; bt; bt = bt->next) {
1776                 if (bt->rect.ymin < block->rect.ymin) {
1777                         bt->flag |= UI_SCROLLED;
1778                         block->flag |= UI_BLOCK_CLIPBOTTOM;
1779                 }
1780                 if (bt->rect.ymax > block->rect.ymax) {
1781                         bt->flag |= UI_SCROLLED;
1782                         block->flag |= UI_BLOCK_CLIPTOP;
1783                 }
1784         }
1785
1786         /* mark buttons overlapping arrows, if we have them */
1787         for (bt = block->buttons.first; bt; bt = bt->next) {
1788                 if (block->flag & UI_BLOCK_CLIPBOTTOM) {
1789                         if (bt->rect.ymin < block->rect.ymin + UI_MENU_SCROLL_ARROW)
1790                                 bt->flag |= UI_SCROLLED;
1791                 }
1792                 if (block->flag & UI_BLOCK_CLIPTOP) {
1793                         if (bt->rect.ymax > block->rect.ymax - UI_MENU_SCROLL_ARROW)
1794                                 bt->flag |= UI_SCROLLED;
1795                 }
1796         }
1797 }
1798
1799 static void ui_popup_block_remove(bContext *C, uiPopupBlockHandle *handle)
1800 {
1801         wmWindow *win = CTX_wm_window(C);
1802         bScreen *sc = CTX_wm_screen(C);
1803
1804         ui_region_temp_remove(C, sc, handle->region);
1805
1806         /* reset to region cursor (only if there's not another menu open) */
1807         if (BLI_listbase_is_empty(&sc->regionbase)) {
1808                 ED_region_cursor_set(win, CTX_wm_area(C), CTX_wm_region(C));
1809                 /* in case cursor needs to be changed again */
1810                 WM_event_add_mousemove(C);
1811         }
1812
1813         if (handle->scrolltimer)
1814                 WM_event_remove_timer(CTX_wm_manager(C), win, handle->scrolltimer);
1815 }
1816
1817 /**
1818  * Called for creating new popups and refreshing existing ones.
1819  */
1820 uiBlock *ui_popup_block_refresh(
1821         bContext *C, uiPopupBlockHandle *handle,
1822         ARegion *butregion, uiBut *but)
1823 {
1824         BLI_assert(handle->can_refresh == true);
1825
1826         const int margin = UI_POPUP_MARGIN;
1827         wmWindow *window = CTX_wm_window(C);
1828         ARegion *ar = handle->region;
1829
1830         uiBlockCreateFunc create_func = handle->popup_create_vars.create_func;
1831         uiBlockHandleCreateFunc handle_create_func = handle->popup_create_vars.handle_create_func;
1832         void *arg = handle->popup_create_vars.arg;
1833
1834         uiBlock *block_old = ar->uiblocks.first;
1835         uiBlock *block;
1836
1837 #ifdef DEBUG
1838         wmEvent *event_back = window->eventstate;
1839 #endif
1840
1841         /* create ui block */
1842         if (create_func)
1843                 block = create_func(C, ar, arg);
1844         else
1845                 block = handle_create_func(C, handle, arg);
1846         
1847         /* callbacks _must_ leave this for us, otherwise we can't call UI_block_update_from_old */
1848         BLI_assert(!block->endblock);
1849
1850         /* ensure we don't use mouse coords here! */
1851 #ifdef DEBUG
1852         window->eventstate = NULL;
1853 #endif
1854
1855         if (block->handle) {
1856                 memcpy(block->handle, handle, sizeof(uiPopupBlockHandle));
1857                 MEM_freeN(handle);
1858                 handle = block->handle;
1859         }
1860         else
1861                 block->handle = handle;
1862
1863         ar->regiondata = handle;
1864
1865         /* set UI_BLOCK_NUMSELECT before UI_block_end() so we get alphanumeric keys assigned */
1866         if (but == NULL) {
1867                 block->flag |= UI_BLOCK_POPUP;
1868         }
1869
1870         block->flag |= UI_BLOCK_LOOP;
1871
1872         /* defer this until blocks are translated (below) */
1873         block->oldblock = NULL;
1874
1875         if (!block->endblock)
1876                 UI_block_end_ex(C, block, handle->popup_create_vars.event_xy);
1877
1878         /* if this is being created from a button */
1879         if (but) {
1880                 block->aspect = but->block->aspect;
1881                 ui_block_position(window, butregion, but, block);
1882                 handle->direction = block->direction;
1883         }
1884         else {
1885                 uiSafetyRct *saferct;
1886                 /* keep a list of these, needed for pulldown menus */
1887                 saferct = MEM_callocN(sizeof(uiSafetyRct), "uiSafetyRct");
1888                 saferct->safety = block->safety;
1889                 BLI_addhead(&block->saferct, saferct);
1890         }
1891
1892         if (block->flag & UI_BLOCK_RADIAL) {
1893                 int win_width = UI_SCREEN_MARGIN;
1894                 int winx, winy;
1895
1896                 int x_offset = 0, y_offset = 0;
1897
1898                 winx = WM_window_pixels_x(window);
1899                 winy = WM_window_pixels_y(window);
1900
1901                 copy_v2_v2(block->pie_data.pie_center_init, block->pie_data.pie_center_spawned);
1902
1903                 /* only try translation if area is large enough */
1904                 if (BLI_rctf_size_x(&block->rect) < winx - (2.0f * win_width)) {
1905                         if (block->rect.xmin < win_width )   x_offset += win_width - block->rect.xmin;
1906                         if (block->rect.xmax > winx - win_width) x_offset += winx - win_width - block->rect.xmax;
1907                 }
1908
1909                 if (BLI_rctf_size_y(&block->rect) < winy - (2.0f * win_width)) {
1910                         if (block->rect.ymin < win_width )   y_offset += win_width - block->rect.ymin;
1911                         if (block->rect.ymax > winy - win_width) y_offset += winy - win_width - block->rect.ymax;
1912                 }
1913                 /* if we are offsetting set up initial data for timeout functionality */
1914
1915                 if ((x_offset != 0) || (y_offset != 0)) {
1916                         block->pie_data.pie_center_spawned[0] += x_offset;
1917                         block->pie_data.pie_center_spawned[1] += y_offset;
1918
1919                         ui_block_translate(block, x_offset, y_offset);
1920
1921                         if (U.pie_initial_timeout > 0)
1922                                 block->pie_data.flags |= UI_PIE_INITIAL_DIRECTION;
1923                 }
1924
1925                 ar->winrct.xmin = 0;
1926                 ar->winrct.xmax = winx;
1927                 ar->winrct.ymin = 0;
1928                 ar->winrct.ymax = winy;
1929
1930                 ui_block_calc_pie_segment(block, block->pie_data.pie_center_init);
1931
1932                 /* lastly set the buttons at the center of the pie menu, ready for animation */
1933                 if (U.pie_animation_timeout > 0) {
1934                         for (uiBut *but_iter = block->buttons.first; but_iter; but_iter = but_iter->next) {
1935                                 if (but_iter->pie_dir != UI_RADIAL_NONE) {
1936                                         BLI_rctf_recenter(&but_iter->rect, UNPACK2(block->pie_data.pie_center_spawned));
1937                                 }
1938                         }
1939                 }
1940         }
1941         else {
1942                 /* clip block with window boundary */
1943                 ui_popup_block_clip(window, block);
1944                 /* the block and buttons were positioned in window space as in 2.4x, now
1945                  * these menu blocks are regions so we bring it back to region space.
1946                  * additionally we add some padding for the menu shadow or rounded menus */
1947                 ar->winrct.xmin = block->rect.xmin - margin;
1948                 ar->winrct.xmax = block->rect.xmax + margin;
1949                 ar->winrct.ymin = block->rect.ymin - margin;
1950                 ar->winrct.ymax = block->rect.ymax + UI_POPUP_MENU_TOP;
1951
1952                 ui_block_translate(block, -ar->winrct.xmin, -ar->winrct.ymin);
1953         }
1954
1955         if (block_old) {
1956                 block->oldblock = block_old;
1957                 UI_block_update_from_old(C, block);
1958                 UI_blocklist_free_inactive(C, &ar->uiblocks);
1959         }
1960
1961         /* checks which buttons are visible, sets flags to prevent draw (do after region init) */
1962         ui_popup_block_scrolltest(block);
1963         
1964         /* adds subwindow */
1965         ED_region_init(C, ar);
1966
1967         /* get winmat now that we actually have the subwindow */
1968         wmSubWindowSet(window, ar->swinid);
1969         
1970         wm_subwindow_matrix_get(window, ar->swinid, block->winmat);
1971         
1972         /* notify change and redraw */
1973         ED_region_tag_redraw(ar);
1974
1975         ED_region_update_rect(C, ar);
1976
1977 #ifdef DEBUG
1978         window->eventstate = event_back;
1979 #endif
1980
1981         return block;
1982 }
1983
1984 uiPopupBlockHandle *ui_popup_block_create(
1985         bContext *C, ARegion *butregion, uiBut *but,
1986         uiBlockCreateFunc create_func, uiBlockHandleCreateFunc handle_create_func,
1987         void *arg)
1988 {
1989         wmWindow *window = CTX_wm_window(C);
1990         uiBut *activebut = UI_context_active_but_get(C);
1991         static ARegionType type;
1992         ARegion *ar;
1993         uiBlock *block;
1994         uiPopupBlockHandle *handle;
1995
1996         /* disable tooltips from buttons below */
1997         if (activebut) {
1998                 UI_but_tooltip_timer_remove(C, activebut);
1999         }
2000         /* standard cursor by default */
2001         WM_cursor_set(window, CURSOR_STD);
2002
2003         /* create handle */
2004         handle = MEM_callocN(sizeof(uiPopupBlockHandle), "uiPopupBlockHandle");
2005
2006         /* store context for operator */
2007         handle->ctx_area = CTX_wm_area(C);
2008         handle->ctx_region = CTX_wm_region(C);
2009
2010         /* store vars to refresh popup (RGN_DRAW_REFRESH_UI) */
2011         handle->popup_create_vars.create_func = create_func;
2012         handle->popup_create_vars.handle_create_func = handle_create_func;
2013         handle->popup_create_vars.arg = arg;
2014         handle->popup_create_vars.butregion = but ? butregion : NULL;
2015         copy_v2_v2_int(handle->popup_create_vars.event_xy, &window->eventstate->x);
2016         /* caller may free vars used to create this popup, in that case this variable should be disabled. */
2017         handle->can_refresh = true;
2018
2019         /* create area region */
2020         ar = ui_region_temp_add(CTX_wm_screen(C));
2021         handle->region = ar;
2022
2023         memset(&type, 0, sizeof(ARegionType));
2024         type.draw = ui_block_region_draw;
2025         type.regionid = RGN_TYPE_TEMPORARY;
2026         ar->type = &type;
2027
2028         UI_region_handlers_add(&ar->handlers);
2029
2030         block = ui_popup_block_refresh(C, handle, butregion, but);
2031         handle = block->handle;
2032
2033         /* keep centered on window resizing */
2034         if ((block->bounds_type == UI_BLOCK_BOUNDS_POPUP_CENTER) && handle->can_refresh) {
2035                 type.listener = ui_block_region_popup_window_listener;
2036         }
2037
2038         return handle;
2039 }
2040
2041 void ui_popup_block_free(bContext *C, uiPopupBlockHandle *handle)
2042 {
2043         ui_popup_block_remove(C, handle);
2044         
2045         MEM_freeN(handle);
2046 }
2047
2048 /***************************** Menu Button ***************************/
2049
2050 #if 0
2051 static void ui_warp_pointer(int x, int y)
2052 {
2053         /* XXX 2.50 which function to use for this? */
2054         /* OSX has very poor mouse-warp support, it sends events;
2055          * this causes a menu being pressed immediately ... */
2056 #  ifndef __APPLE__
2057         warp_pointer(x, y);
2058 #  endif
2059 }
2060 #endif
2061
2062 /********************* Color Button ****************/
2063
2064 /* for picker, while editing hsv */
2065 void ui_but_hsv_set(uiBut *but)
2066 {
2067         float col[3];
2068         ColorPicker *cpicker = but->custom_data;
2069         float *hsv = cpicker->color_data;
2070
2071         ui_color_picker_to_rgb_v(hsv, col);
2072
2073         ui_but_v3_set(but, col);
2074 }
2075
2076 /* Updates all buttons who share the same color picker as the one passed
2077  * also used by small picker, be careful with name checks below... */
2078 static void ui_update_color_picker_buts_rgb(uiBlock *block, ColorPicker *cpicker, const float rgb[3], bool is_display_space)
2079 {
2080         uiBut *bt;
2081         float *hsv = cpicker->color_data;
2082         struct ColorManagedDisplay *display = NULL;
2083         /* this is to keep the H and S value when V is equal to zero
2084          * and we are working in HSV mode, of course!
2085          */
2086         if (is_display_space) {
2087                 ui_rgb_to_color_picker_compat_v(rgb, hsv);
2088         }
2089         else {
2090                 /* we need to convert to display space to use hsv, because hsv is stored in display space */
2091                 float rgb_display[3];
2092
2093                 copy_v3_v3(rgb_display, rgb);
2094                 ui_block_cm_to_display_space_v3(block, rgb_display);
2095                 ui_rgb_to_color_picker_compat_v(rgb_display, hsv);
2096         }
2097
2098         if (block->color_profile)
2099                 display = ui_block_cm_display_get(block);
2100         
2101         /* this updates button strings, is hackish... but button pointers are on stack of caller function */
2102         for (bt = block->buttons.first; bt; bt = bt->next) {
2103                 if (bt->custom_data != cpicker)
2104                         continue;
2105
2106                 if (bt->rnaprop) {
2107                         
2108                         ui_but_v3_set(bt, rgb);
2109                         
2110                 }
2111                 else if (STREQ(bt->str, "Hex: ")) {
2112                         float rgb_gamma[3];
2113                         unsigned char rgb_gamma_uchar[3];
2114                         double intpart;
2115                         char col[16];
2116                         
2117                         /* Hex code is assumed to be in sRGB space (coming from other applications, web, etc) */
2118                         
2119                         copy_v3_v3(rgb_gamma, rgb);
2120
2121                         if (display) {
2122                                 /* make a display version, for Hex code */
2123                                 IMB_colormanagement_scene_linear_to_display_v3(rgb_gamma, display);
2124                         }
2125                         
2126                         if (rgb_gamma[0] > 1.0f) rgb_gamma[0] = modf(rgb_gamma[0], &intpart);
2127                         if (rgb_gamma[1] > 1.0f) rgb_gamma[1] = modf(rgb_gamma[1], &intpart);
2128                         if (rgb_gamma[2] > 1.0f) rgb_gamma[2] = modf(rgb_gamma[2], &intpart);
2129
2130                         rgb_float_to_uchar(rgb_gamma_uchar, rgb_gamma);
2131                         BLI_snprintf(col, sizeof(col), "%02X%02X%02X", UNPACK3_EX((unsigned int), rgb_gamma_uchar, ));
2132                         
2133                         strcpy(bt->poin, col);
2134                 }
2135                 else if (bt->str[1] == ' ') {
2136                         if (bt->str[0] == 'R') {
2137                                 ui_but_value_set(bt, rgb[0]);
2138                         }
2139                         else if (bt->str[0] == 'G') {
2140                                 ui_but_value_set(bt, rgb[1]);
2141                         }
2142                         else if (bt->str[0] == 'B') {
2143                                 ui_but_value_set(bt, rgb[2]);
2144                         }
2145                         else if (bt->str[0] == 'H') {
2146                                 ui_but_value_set(bt, hsv[0]);
2147                         }
2148                         else if (bt->str[0] == 'S') {
2149                                 ui_but_value_set(bt, hsv[1]);
2150                         }
2151                         else if (bt->str[0] == 'V') {
2152                                 ui_but_value_set(bt, hsv[2]);
2153                         }
2154                         else if (bt->str[0] == 'L') {
2155                                 ui_but_value_set(bt, hsv[2]);
2156                         }
2157                 }
2158
2159                 ui_but_update(bt);
2160         }
2161 }
2162
2163 static void ui_colorpicker_rna_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg))
2164 {
2165         uiBut *but = (uiBut *)bt1;
2166         uiPopupBlockHandle *popup = but->block->handle;
2167         PropertyRNA *prop = but->rnaprop;
2168         PointerRNA ptr = but->rnapoin;
2169         float rgb[4];
2170         
2171         if (prop) {
2172                 RNA_property_float_get_array(&ptr, prop, rgb);
2173                 ui_update_color_picker_buts_rgb(but->block, but->custom_data, rgb, (RNA_property_subtype(prop) == PROP_COLOR_GAMMA));
2174         }
2175         
2176         if (popup)
2177                 popup->menuretval = UI_RETURN_UPDATE;
2178 }
2179
2180 static void ui_color_wheel_rna_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg))
2181 {
2182         uiBut *but = (uiBut *)bt1;
2183         uiPopupBlockHandle *popup = but->block->handle;
2184         float rgb[3];
2185         ColorPicker *cpicker = but->custom_data;
2186         float *hsv = cpicker->color_data;
2187         bool use_display_colorspace = ui_but_is_colorpicker_display_space(but);
2188
2189         ui_color_picker_to_rgb_v(hsv, rgb);
2190
2191         /* hsv is saved in display space so convert back */
2192         if (use_display_colorspace) {
2193                 ui_block_cm_to_scene_linear_v3(but->block, rgb);
2194         }
2195
2196         ui_update_color_picker_buts_rgb(but->block, cpicker, rgb, !use_display_colorspace);
2197         
2198         if (popup)
2199                 popup->menuretval = UI_RETURN_UPDATE;
2200 }
2201
2202 static void ui_colorpicker_hex_rna_cb(bContext *UNUSED(C), void *bt1, void *hexcl)
2203 {
2204         uiBut *but = (uiBut *)bt1;
2205         uiPopupBlockHandle *popup = but->block->handle;
2206         ColorPicker *cpicker = but->custom_data;
2207         char *hexcol = (char *)hexcl;
2208         float rgb[3];
2209         
2210         hex_to_rgb(hexcol, rgb, rgb + 1, rgb + 2);
2211         
2212         /* Hex code is assumed to be in sRGB space (coming from other applications, web, etc) */
2213         if (but->block->color_profile) {
2214                 /* so we need to linearise it for Blender */
2215                 ui_block_cm_to_scene_linear_v3(but->block, rgb);
2216         }
2217         
2218         ui_update_color_picker_buts_rgb(but->block, cpicker, rgb, false);
2219         
2220         if (popup)
2221                 popup->menuretval = UI_RETURN_UPDATE;
2222 }
2223
2224 static void ui_popup_close_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg))
2225 {
2226         uiBut *but = (uiBut *)bt1;
2227         uiPopupBlockHandle *popup = but->block->handle;
2228         
2229         if (popup)
2230                 popup->menuretval = UI_RETURN_OK;
2231 }
2232
2233 static void ui_colorpicker_hide_reveal(uiBlock *block, short colormode)
2234 {
2235         uiBut *bt;
2236         
2237         /* tag buttons */
2238         for (bt = block->buttons.first; bt; bt = bt->next) {
2239                 if ((bt->func == ui_colorpicker_rna_cb) && bt->type == UI_BTYPE_NUM_SLIDER && bt->rnaindex != 3) {
2240                         /* RGB sliders (color circle and alpha are always shown) */
2241                         if (colormode == 0) bt->flag &= ~UI_HIDDEN;
2242                         else bt->flag |= UI_HIDDEN;
2243                 }
2244                 else if (bt->func == ui_color_wheel_rna_cb) {
2245                         /* HSV sliders */
2246                         if (colormode == 1) bt->flag &= ~UI_HIDDEN;
2247                         else bt->flag |= UI_HIDDEN;
2248                 }
2249                 else if (bt->func == ui_colorpicker_hex_rna_cb || bt->type == UI_BTYPE_LABEL) {
2250                         /* hex input or gamma correction status label */
2251                         if (colormode == 2) bt->flag &= ~UI_HIDDEN;
2252                         else bt->flag |= UI_HIDDEN;
2253                 }
2254         }
2255 }
2256
2257 static void ui_colorpicker_create_mode_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(arg))
2258 {
2259         uiBut *bt = bt1;
2260         short colormode = ui_but_value_get(bt);
2261         ui_colorpicker_hide_reveal(bt->block, colormode);
2262 }
2263
2264 #define PICKER_H    (7.5f * U.widget_unit)
2265 #define PICKER_W    (7.5f * U.widget_unit)
2266 #define PICKER_SPACE    (0.3f * U.widget_unit)
2267 #define PICKER_BAR      (0.7f * U.widget_unit)
2268
2269 #define PICKER_TOTAL_W  (PICKER_W + PICKER_SPACE + PICKER_BAR)
2270
2271 static void ui_colorpicker_circle(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, ColorPicker *cpicker)
2272 {
2273         uiBut *bt;
2274         
2275         /* HS circle */
2276         bt = uiDefButR_prop(block, UI_BTYPE_HSVCIRCLE, 0, "", 0, 0, PICKER_H, PICKER_W, ptr, prop, -1, 0.0, 0.0, 0.0, 0, TIP_("Color"));
2277         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2278         bt->custom_data = cpicker;
2279
2280         /* value */
2281         if (U.color_picker_type == USER_CP_CIRCLE_HSL) {
2282                 bt = uiDefButR_prop(block, UI_BTYPE_HSVCUBE, 0, "", PICKER_W + PICKER_SPACE, 0, PICKER_BAR, PICKER_H, ptr, prop, -1, 0.0, 0.0, UI_GRAD_L_ALT, 0, "Lightness");
2283                 UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2284         }
2285         else {
2286                 bt = uiDefButR_prop(block, UI_BTYPE_HSVCUBE, 0, "", PICKER_W + PICKER_SPACE, 0, PICKER_BAR, PICKER_H, ptr, prop, -1, 0.0, 0.0, UI_GRAD_V_ALT, 0, TIP_("Value"));
2287                 UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2288         }
2289         bt->custom_data = cpicker;
2290 }
2291
2292
2293 static void ui_colorpicker_square(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int type, ColorPicker *cpicker)
2294 {
2295         uiBut *bt;
2296         int bartype = type + 3;
2297         
2298         /* HS square */
2299         bt = uiDefButR_prop(block, UI_BTYPE_HSVCUBE, 0, "",   0, PICKER_BAR + PICKER_SPACE, PICKER_TOTAL_W, PICKER_H, ptr, prop, -1, 0.0, 0.0, type, 0, TIP_("Color"));
2300         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2301         bt->custom_data = cpicker;
2302         
2303         /* value */
2304         bt = uiDefButR_prop(block, UI_BTYPE_HSVCUBE, 0, "",       0, 0, PICKER_TOTAL_W, PICKER_BAR, ptr, prop, -1, 0.0, 0.0, bartype, 0, TIP_("Value"));
2305         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2306         bt->custom_data = cpicker;
2307 }
2308
2309
2310 /* a HS circle, V slider, rgb/hsv/hex sliders */
2311 static void ui_block_colorpicker(uiBlock *block, float rgba[4], PointerRNA *ptr, PropertyRNA *prop, bool show_picker)
2312 {
2313         static short colormode = 0;  /* temp? 0=rgb, 1=hsv, 2=hex */
2314         uiBut *bt;
2315         int width, butwidth;
2316         static char tip[50];
2317         static char hexcol[128];
2318         float rgb_gamma[3];
2319         unsigned char rgb_gamma_uchar[3];
2320         float softmin, softmax, hardmin, hardmax, step, precision;
2321         int yco;
2322         ColorPicker *cpicker = ui_block_colorpicker_create(block);
2323         float *hsv = cpicker->color_data;
2324                 
2325         width = PICKER_TOTAL_W;
2326         butwidth = width - 1.5f * UI_UNIT_X;
2327         
2328         /* existence of profile means storage is in linear color space, with display correction */
2329         /* XXX That tip message is not use anywhere! */
2330         if (!block->color_profile) {
2331                 BLI_strncpy(tip, N_("Value in Display Color Space"), sizeof(tip));
2332                 copy_v3_v3(rgb_gamma, rgba);
2333         }
2334         else {
2335                 BLI_strncpy(tip, N_("Value in Linear RGB Color Space"), sizeof(tip));
2336
2337                 /* make a display version, for Hex code */
2338                 copy_v3_v3(rgb_gamma, rgba);
2339                 ui_block_cm_to_display_space_v3(block, rgb_gamma);
2340         }
2341         
2342         /* sneaky way to check for alpha */
2343         rgba[3] = FLT_MAX;
2344
2345         RNA_property_float_ui_range(ptr, prop, &softmin, &softmax, &step, &precision);
2346         RNA_property_float_range(ptr, prop, &hardmin, &hardmax);
2347         RNA_property_float_get_array(ptr, prop, rgba);
2348
2349         /* when the softmax isn't defined in the RNA,
2350          * using very large numbers causes sRGB/linear round trip to fail. */
2351         if (softmax == FLT_MAX) {
2352                 softmax = 1.0f;
2353         }
2354
2355         switch (U.color_picker_type) {
2356                 case USER_CP_SQUARE_SV:
2357                         ui_colorpicker_square(block, ptr, prop, UI_GRAD_SV, cpicker);
2358                         break;
2359                 case USER_CP_SQUARE_HS:
2360                         ui_colorpicker_square(block, ptr, prop, UI_GRAD_HS, cpicker);
2361                         break;
2362                 case USER_CP_SQUARE_HV:
2363                         ui_colorpicker_square(block, ptr, prop, UI_GRAD_HV, cpicker);
2364                         break;
2365
2366                 /* user default */
2367                 case USER_CP_CIRCLE_HSV:
2368                 case USER_CP_CIRCLE_HSL:
2369                 default:
2370                         ui_colorpicker_circle(block, ptr, prop, cpicker);
2371                         break;
2372         }
2373         
2374         /* mode */
2375         yco = -1.5f * UI_UNIT_Y;
2376         UI_block_align_begin(block);
2377         bt = uiDefButS(block, UI_BTYPE_ROW, 0, IFACE_("RGB"), 0, yco, width / 3, UI_UNIT_Y, &colormode, 0.0, 0.0, 0, 0, "");
2378         UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL);
2379         bt->custom_data = cpicker;
2380         if (U.color_picker_type == USER_CP_CIRCLE_HSL)
2381                 bt = uiDefButS(block, UI_BTYPE_ROW, 0, IFACE_("HSL"), width / 3, yco, width / 3, UI_UNIT_Y, &colormode, 0.0, 1.0, 0, 0, "");
2382         else
2383                 bt = uiDefButS(block, UI_BTYPE_ROW, 0, IFACE_("HSV"), width / 3, yco, width / 3, UI_UNIT_Y, &colormode, 0.0, 1.0, 0, 0, "");
2384         UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL);
2385         bt->custom_data = cpicker;
2386         bt = uiDefButS(block, UI_BTYPE_ROW, 0, IFACE_("Hex"), 2 * width / 3, yco, width / 3, UI_UNIT_Y, &colormode, 0.0, 2.0, 0, 0, "");
2387         UI_but_func_set(bt, ui_colorpicker_create_mode_cb, bt, NULL);
2388         bt->custom_data = cpicker;
2389         UI_block_align_end(block);
2390
2391         yco = -3.0f * UI_UNIT_Y;
2392         if (show_picker) {
2393                 bt = uiDefIconButO(block, UI_BTYPE_BUT, "UI_OT_eyedropper_color", WM_OP_INVOKE_DEFAULT, ICON_EYEDROPPER, butwidth + 10, yco, UI_UNIT_X, UI_UNIT_Y, NULL);
2394                 UI_but_func_set(bt, ui_popup_close_cb, bt, NULL);
2395                 bt->custom_data = cpicker;
2396         }
2397         
2398         /* RGB values */
2399         UI_block_align_begin(block);
2400         bt = uiDefButR_prop(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("R:"),  0, yco, butwidth, UI_UNIT_Y, ptr, prop, 0, 0.0, 0.0, 0, 3, TIP_("Red"));
2401         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2402         bt->custom_data = cpicker;
2403         bt = uiDefButR_prop(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("G:"),  0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, ptr, prop, 1, 0.0, 0.0, 0, 3, TIP_("Green"));
2404         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2405         bt->custom_data = cpicker;
2406         bt = uiDefButR_prop(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("B:"),  0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, ptr, prop, 2, 0.0, 0.0, 0, 3, TIP_("Blue"));
2407         UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2408         bt->custom_data = cpicker;
2409
2410         /* could use uiItemFullR(col, ptr, prop, -1, 0, UI_ITEM_R_EXPAND|UI_ITEM_R_SLIDER, "", ICON_NONE);
2411          * but need to use UI_but_func_set for updating other fake buttons */
2412         
2413         /* HSV values */
2414         yco = -3.0f * UI_UNIT_Y;
2415         UI_block_align_begin(block);
2416         bt = uiDefButF(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("H:"),   0, yco, butwidth, UI_UNIT_Y, hsv, 0.0, 1.0, 10, 3, TIP_("Hue"));
2417         UI_but_func_set(bt, ui_color_wheel_rna_cb, bt, hsv);
2418         bt->custom_data = cpicker;
2419         bt = uiDefButF(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("S:"),   0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, hsv + 1, 0.0, 1.0, 10, 3, TIP_("Saturation"));
2420         UI_but_func_set(bt, ui_color_wheel_rna_cb, bt, hsv);
2421         bt->custom_data = cpicker;
2422         if (U.color_picker_type == USER_CP_CIRCLE_HSL)
2423                 bt = uiDefButF(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("L:"),   0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, hsv + 2, 0.0, 1.0, 10, 3, TIP_("Lightness"));
2424         else
2425                 bt = uiDefButF(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("V:"),   0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, hsv + 2, 0.0, softmax, 10, 3, TIP_("Value"));
2426
2427         bt->hardmax = hardmax;  /* not common but rgb  may be over 1.0 */
2428         UI_but_func_set(bt, ui_color_wheel_rna_cb, bt, hsv);
2429         bt->custom_data = cpicker;
2430
2431         UI_block_align_end(block);
2432
2433         if (rgba[3] != FLT_MAX) {
2434                 bt = uiDefButR_prop(block, UI_BTYPE_NUM_SLIDER, 0, IFACE_("A: "),  0, yco -= UI_UNIT_Y, butwidth, UI_UNIT_Y, ptr, prop, 3, 0.0, 0.0, 0, 3, TIP_("Alpha"));
2435                 UI_but_func_set(bt, ui_colorpicker_rna_cb, bt, NULL);
2436                 bt->custom_data = cpicker;
2437         }
2438         else {
2439                 rgba[3] = 1.0f;
2440         }
2441
2442         rgb_float_to_uchar(rgb_gamma_uchar, rgb_gamma);
2443         BLI_snprintf(hexcol, sizeof(hexcol), "%02X%02X%02X", UNPACK3_EX((unsigned int), rgb_gamma_uchar, ));
2444
2445         yco = -3.0f * UI_UNIT_Y;
2446         bt = uiDefBut(block, UI_BTYPE_TEXT, 0, IFACE_("Hex: "), 0, yco, butwidth, UI_UNIT_Y, hexcol, 0, 7, 0, 0, TIP_("Hex triplet for color (#RRGGBB)"));
2447         UI_but_func_set(bt, ui_colorpicker_hex_rna_cb, bt, hexcol);
2448         bt->custom_data = cpicker;
2449         uiDefBut(block, UI_BTYPE_LABEL, 0, IFACE_("(Gamma Corrected)"), 0, yco - UI_UNIT_Y, butwidth, UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
2450
2451         ui_rgb_to_color_picker_v(rgb_gamma, hsv);
2452
2453         ui_colorpicker_hide_reveal(block, colormode);
2454 }
2455
2456
2457 static int ui_colorpicker_small_wheel_cb(const bContext *UNUSED(C), uiBlock *block, const wmEvent *event)
2458 {
2459         float add = 0.0f;
2460         
2461         if (event->type == WHEELUPMOUSE)
2462                 add = 0.05f;
2463         else if (event->type == WHEELDOWNMOUSE)
2464                 add = -0.05f;
2465         
2466         if (add != 0.0f) {
2467                 uiBut *but;
2468                 
2469                 for (but = block->buttons.first; but; but = but->next) {
2470                         if (but->type == UI_BTYPE_HSVCUBE && but->active == NULL) {
2471                                 uiPopupBlockHandle *popup = block->handle;
2472                                 float rgb[3];
2473                                 ColorPicker *cpicker = but->custom_data;
2474                                 float *hsv = cpicker->color_data;
2475                                 bool use_display_colorspace = ui_but_is_colorpicker_display_space(but);
2476                                 
2477                                 ui_but_v3_get(but, rgb);
2478
2479                                 if (use_display_colorspace)
2480                                         ui_block_cm_to_display_space_v3(block, rgb);
2481
2482                                 ui_rgb_to_color_picker_compat_v(rgb, hsv);
2483
2484                                 hsv[2] = CLAMPIS(hsv[2] + add, 0.0f, 1.0f);
2485                                 ui_color_picker_to_rgb_v(hsv, rgb);
2486
2487                                 if (use_display_colorspace)
2488                                         ui_block_cm_to_scene_linear_v3(block, rgb);
2489
2490                                 ui_but_v3_set(but, rgb);
2491                                 
2492                                 ui_update_color_picker_buts_rgb(block, cpicker, rgb, !use_display_colorspace);
2493                                 if (popup)
2494                                         popup->menuretval = UI_RETURN_UPDATE;
2495                                 
2496                                 return 1;
2497                         }
2498                 }
2499         }
2500         return 0;
2501 }
2502
2503 uiBlock *ui_block_func_COLOR(bContext *C, uiPopupBlockHandle *handle, void *arg_but)
2504 {
2505         uiBut *but = arg_but;
2506         uiBlock *block;
2507         bool show_picker = true;
2508         
2509         block = UI_block_begin(C, handle->region, __func__, UI_EMBOSS);
2510         
2511         if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA) {
2512                 block->color_profile = false;
2513         }
2514
2515         if (but->block) {
2516                 /* if color block is invoked from a popup we wouldn't be able to set color properly
2517                  * this is because color picker will close popups first and then will try to figure
2518                  * out active button RNA, and of course it'll fail
2519                  */
2520                 show_picker = (but->block->flag & UI_BLOCK_POPUP) == 0;
2521         }
2522         
2523         copy_v3_v3(handle->retvec, but->editvec);
2524         
2525         ui_block_colorpicker(block, handle->retvec, &but->rnapoin, but->rnaprop, show_picker);
2526         
2527         block->flag = UI_BLOCK_LOOP | UI_BLOCK_KEEP_OPEN | UI_BLOCK_OUT_1 | UI_BLOCK_MOVEMOUSE_QUIT;
2528         UI_block_bounds_set_normal(block, 0.5 * UI_UNIT_X);
2529         
2530         block->block_event_func = ui_colorpicker_small_wheel_cb;
2531         
2532         /* and lets go */
2533         block->direction = UI_DIR_UP;
2534         
2535         return block;
2536 }
2537
2538 /************************ Popup Menu Memory ****************************/
2539
2540 static unsigned int ui_popup_string_hash(const char *str)
2541 {
2542         /* sometimes button contains hotkey, sometimes not, strip for proper compare */
2543         int hash;
2544         const char *delimit = strrchr(str, UI_SEP_CHAR);
2545
2546         if (delimit) {
2547                 hash = BLI_ghashutil_strhash_n(str, delimit - str);
2548         }
2549         else {
2550                 hash = BLI_ghashutil_strhash(str);
2551         }
2552
2553         return hash;
2554 }
2555
2556 static unsigned int ui_popup_menu_hash(const char *str)
2557 {
2558         return BLI_ghashutil_strhash(str);
2559 }
2560
2561 /* but == NULL read, otherwise set */
2562 static uiBut *ui_popup_menu_memory__internal(uiBlock *block, uiBut *but)
2563 {
2564         static unsigned int mem[256];
2565         static bool first = true;
2566
2567         const unsigned int hash = block->puphash;
2568         const unsigned int hash_mod = hash & 255;
2569         
2570         if (first) {
2571                 /* init */
2572                 memset(mem, -1, sizeof(mem));
2573                 first = 0;
2574         }
2575
2576         if (but) {
2577                 /* set */
2578                 mem[hash_mod] = ui_popup_string_hash(but->str);
2579                 return NULL;
2580         }
2581         else {
2582                 /* get */
2583                 for (but = block->buttons.first; but; but = but->next)
2584                         if (ui_popup_string_hash(but->str) == mem[hash_mod])
2585                                 return but;
2586
2587                 return NULL;
2588         }
2589 }
2590
2591 uiBut *ui_popup_menu_memory_get(uiBlock *block)
2592 {
2593         return ui_popup_menu_memory__internal(block, NULL);
2594 }
2595
2596 void ui_popup_menu_memory_set(uiBlock *block, uiBut *but)
2597 {
2598         ui_popup_menu_memory__internal(block, but);
2599 }
2600
2601 /**
2602  * Translate any popup regions (so we can drag them).
2603  */
2604 void ui_popup_translate(bContext *C, ARegion *ar, const int mdiff[2])
2605 {
2606         uiBlock *block;
2607
2608         BLI_rcti_translate(&ar->winrct, UNPACK2(mdiff));
2609
2610         ED_region_update_rect(C, ar);
2611
2612         ED_region_tag_redraw(ar);
2613
2614         /* update blocks */
2615         for (block = ar->uiblocks.first; block; block = block->next) {
2616                 uiSafetyRct *saferct;
2617                 for (saferct = block->saferct.first; saferct; saferct = saferct->next) {
2618                         BLI_rctf_translate(&saferct->parent, UNPACK2(mdiff));
2619                         BLI_rctf_translate(&saferct->safety, UNPACK2(mdiff));
2620                 }
2621         }
2622 }
2623
2624 /******************** Popup Menu with callback or string **********************/
2625
2626 struct uiPopupMenu {
2627         uiBlock *block;
2628         uiLayout *layout;
2629         uiBut *but;
2630
2631         int mx, my;
2632         bool popup, slideout;
2633
2634         uiMenuCreateFunc menu_func;
2635         void *menu_arg;
2636 };
2637
2638 struct uiPieMenu {
2639         uiBlock *block_radial; /* radial block of the pie menu (more could be added later) */
2640         uiLayout *layout;
2641         int mx, my;
2642 };
2643
2644 static uiBlock *ui_block_func_POPUP(bContext *C, uiPopupBlockHandle *handle, void *arg_pup)
2645 {
2646         uiBlock *block;
2647         uiBut *bt;
2648         uiPopupMenu *pup = arg_pup;
2649         int offset[2], minwidth, width, height;
2650         char direction;
2651         bool flip;
2652
2653         if (pup->menu_func) {
2654                 pup->block->handle = handle;
2655                 pup->menu_func(C, pup->layout, pup->menu_arg);
2656                 pup->block->handle = NULL;
2657         }
2658
2659         if (pup->but) {
2660                 /* minimum width to enforece */
2661                 minwidth = BLI_rctf_size_x(&pup->but->rect);
2662
2663                 /* settings (typically rna-enum-popups) show above the button,
2664                  * menu's like file-menu, show below */
2665                 if (pup->block->direction != 0) {
2666                         /* allow overriding the direction from menu_func */
2667                         direction = pup->block->direction;
2668                 }
2669                 else if ((pup->but->type == UI_BTYPE_PULLDOWN) ||
2670                          (UI_but_menutype_get(pup->but) != NULL))
2671                 {
2672                         direction = UI_DIR_DOWN;
2673                 }
2674                 else {
2675                         direction = UI_DIR_UP;
2676                 }
2677         }
2678         else {
2679                 minwidth = 50;
2680                 direction = UI_DIR_DOWN;
2681         }
2682
2683         flip = (direction == UI_DIR_DOWN);
2684
2685         block = pup->block;
2686         
2687         /* in some cases we create the block before the region,
2688          * so we set it delayed here if necessary */
2689         if (BLI_findindex(&handle->region->uiblocks, block) == -1)
2690                 UI_block_region_set(block, handle->region);
2691
2692         block->direction = direction;
2693
2694         UI_block_layout_resolve(block, &width, &height);
2695
2696         UI_block_flag_enable(block, UI_BLOCK_MOVEMOUSE_QUIT);
2697         
2698         if (pup->popup) {
2699                 uiBut *but_activate = NULL;
2700                 UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_NUMSELECT);
2701                 UI_block_direction_set(block, direction);
2702
2703                 /* offset the mouse position, possibly based on earlier selection */
2704                 if ((block->flag & UI_BLOCK_POPUP_MEMORY) &&
2705                     (bt = ui_popup_menu_memory_get(block)))
2706                 {
2707                         /* position mouse on last clicked item, at 0.8*width of the
2708                          * button, so it doesn't overlap the text too much, also note
2709                          * the offset is negative because we are inverse moving the
2710                          * block to be under the mouse */
2711                         offset[0] = -(bt->rect.xmin + 0.8f * BLI_rctf_size_x(&bt->rect));
2712                         offset[1] = -(bt->rect.ymin + 0.5f * UI_UNIT_Y);
2713
2714                         if (ui_but_is_editable(bt)) {
2715                                 but_activate = bt;
2716                         }
2717                 }
2718                 else {
2719                         /* position mouse at 0.8*width of the button and below the tile
2720                          * on the first item */
2721                         offset[0] = 0;
2722                         for (bt = block->buttons.first; bt; bt = bt->next)
2723                                 offset[0] = min_ii(offset[0], -(bt->rect.xmin + 0.8f * BLI_rctf_size_x(&bt->rect)));
2724
2725                         offset[1] = 2.1 * UI_UNIT_Y;
2726
2727                         for (bt = block->buttons.first; bt; bt = bt->next) {
2728                                 if (ui_but_is_editable(bt)) {
2729                                         but_activate = bt;
2730                                         break;
2731                                 }
2732                         }
2733                 }
2734
2735                 /* in rare cases this is needed since moving the popup
2736                  * to be within the window bounds may move it away from the mouse,
2737                  * This ensures we set an item to be active. */
2738                 if (but_activate) {
2739                         ui_but_activate_over(C, handle->region, but_activate);
2740                 }
2741
2742                 block->minbounds = minwidth;
2743                 UI_block_bounds_set_menu(block, 1, offset[0], offset[1]);
2744         }
2745         else {
2746                 /* for a header menu we set the direction automatic */
2747                 if (!pup->slideout && flip) {
2748                         ScrArea *sa = CTX_wm_area(C);
2749                         if (sa && sa->headertype == HEADERDOWN) {
2750                                 ARegion *ar = CTX_wm_region(C);
2751                                 if (ar && ar->regiontype == RGN_TYPE_HEADER) {
2752                                         UI_block_direction_set(block, UI_DIR_UP);
2753                                         UI_block_order_flip(block);
2754                                 }
2755                         }
2756                 }
2757
2758                 block->minbounds = minwidth;
2759                 UI_block_bounds_set_text(block, 3.0f * UI_UNIT_X);
2760         }
2761
2762         /* if menu slides out of other menu, override direction */
2763         if (pup->slideout)
2764                 UI_block_direction_set(block, UI_DIR_RIGHT);
2765
2766         return pup->block;
2767 }
2768
2769 uiPopupBlockHandle *ui_popup_menu_create(
2770         bContext *C, ARegion *butregion, uiBut *but,
2771         uiMenuCreateFunc menu_func, void *arg)
2772 {
2773         wmWindow *window = CTX_wm_window(C);
2774         uiStyle *style = UI_style_get_dpi();
2775         uiPopupBlockHandle *handle;
2776         uiPopupMenu *pup;
2777
2778         pup = MEM_callocN(sizeof(uiPopupMenu), __func__);
2779         pup->block = UI_block_begin(C, NULL, __func__, UI_EMBOSS_PULLDOWN);
2780         pup->block->flag |= UI_BLOCK_NUMSELECT;  /* default menus to numselect */
2781         pup->layout = UI_block_layout(pup->block, UI_LAYOUT_VERTICAL, UI_LAYOUT_MENU, 0, 0, 200, 0, MENU_PADDING, style);
2782         pup->slideout = but ? ui_block_is_menu(but->block) : false;
2783         pup->but = but;
2784         uiLayoutSetOperatorContext(pup->layout, WM_OP_INVOKE_REGION_WIN);
2785
2786         if (!but) {
2787                 /* no button to start from, means we are a popup */
2788                 pup->mx = window->eventstate->x;
2789                 pup->my = window->eventstate->y;
2790                 pup->popup = true;
2791                 pup->block->flag |= UI_BLOCK_NO_FLIP;
2792         }
2793         /* some enums reversing is strange, currently we have no good way to
2794          * reverse some enum's but not others, so reverse all so the first menu
2795          * items are always close to the mouse cursor */
2796         else {
2797 #if 0
2798                 /* if this is an rna button then we can assume its an enum
2799                  * flipping enums is generally not good since the order can be
2800                  * important [#28786] */
2801                 if (but->rnaprop && RNA_property_type(but->rnaprop) == PROP_ENUM) {
2802                         pup->block->flag |= UI_BLOCK_NO_FLIP;
2803                 }
2804 #endif
2805                 if (but->context)
2806                         uiLayoutContextCopy(pup->layout, but->context);
2807         }
2808
2809         /* menu is created from a callback */
2810         pup->menu_func = menu_func;
2811         pup->menu_arg = arg;
2812         
2813         handle = ui_popup_block_create(C, butregion, but, NULL, ui_block_func_POPUP, pup);
2814
2815         if (!but) {
2816                 handle->popup = true;
2817
2818                 UI_popup_handlers_add(C, &window->modalhandlers, handle, 0);
2819                 WM_event_add_mousemove(C);
2820         }
2821         
2822         handle->can_refresh = false;
2823         MEM_freeN(pup);
2824
2825         return handle;
2826 }
2827
2828 /******************** Popup Menu API with begin and end ***********************/
2829
2830 /**
2831  * Only return handler, and set optional title.
2832  * \param block_name: Assigned to uiBlock.name (useful info for debugging).
2833  */
2834 uiPopupMenu *UI_popup_menu_begin_ex(bContext *C, const char *title, const char *block_name, int icon)
2835 {
2836         uiStyle *style = UI_style_get_dpi();
2837         uiPopupMenu *pup = MEM_callocN(sizeof(uiPopupMenu), "popup menu");
2838         uiBut *but;
2839
2840         pup->block = UI_block_begin(C, NULL, block_name, UI_EMBOSS_PULLDOWN);
2841         pup->block->flag |= UI_BLOCK_POPUP_MEMORY | UI_BLOCK_IS_FLIP;
2842         pup->block->puphash = ui_popup_menu_hash(title);
2843         pup->layout = UI_block_layout(pup->block, UI_LAYOUT_VERTICAL, UI_LAYOUT_MENU, 0, 0, 200, 0, MENU_PADDING, style);
2844
2845         /* note, this intentionally differs from the menu & submenu default because many operators
2846          * use popups like this to select one of their options - where having invoke doesn't make sense */
2847         uiLayoutSetOperatorContext(pup->layout, WM_OP_EXEC_REGION_WIN);
2848
2849         /* create in advance so we can let buttons point to retval already */
2850         pup->block->handle = MEM_callocN(sizeof(uiPopupBlockHandle), "uiPopupBlockHandle");
2851         
2852         /* create title button */
2853         if (title[0]) {
2854                 char titlestr[256];
2855                 
2856                 if (icon) {
2857                         BLI_snprintf(titlestr, sizeof(titlestr), " %s", title);
2858                         uiDefIconTextBut(pup->block, UI_BTYPE_LABEL, 0, icon, titlestr, 0, 0, 200, UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
2859                 }
2860                 else {
2861                         but = uiDefBut(pup->block, UI_BTYPE_LABEL, 0, title, 0, 0, 200, UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
2862                         but->drawflag = UI_BUT_TEXT_LEFT;
2863                 }
2864
2865                 uiItemS(pup->layout);
2866         }
2867
2868         return pup;
2869 }
2870
2871 uiPopupMenu *UI_popup_menu_begin(bContext *C, const char *title, int icon)
2872 {
2873         return UI_popup_menu_begin_ex(C, title, __func__, icon);
2874 }
2875
2876 /* set the whole structure to work */
2877 void UI_popup_menu_end(bContext *C, uiPopupMenu *pup)
2878 {
2879         wmWindow *window = CTX_wm_window(C);
2880         uiPopupBlockHandle *menu;
2881         
2882         pup->popup = true;
2883         pup->mx = window->eventstate->x;
2884         pup->my = window->eventstate->y;
2885         
2886         menu = ui_popup_block_create(C, NULL, NULL, NULL, ui_block_func_POPUP, pup);
2887         menu->popup = true;
2888         
2889         UI_popup_handlers_add(C, &window->modalhandlers, menu, 0);
2890         WM_event_add_mousemove(C);
2891
2892         menu->can_refresh = false;
2893         MEM_freeN(pup);
2894 }
2895
2896 uiLayout *UI_popup_menu_layout(uiPopupMenu *pup)
2897 {
2898         return pup->layout;
2899 }
2900
2901 /*************************** Pie Menus ***************************************/
2902
2903 static uiBlock *ui_block_func_PIE(bContext *UNUSED(C), uiPopupBlockHandle *handle, void *arg_pie)
2904 {
2905         uiBlock *block;
2906         uiPieMenu *pie = arg_pie;
2907         int minwidth, width, height;
2908
2909         minwidth = 50;
2910         block = pie->block_radial;
2911
2912         /* in some cases we create the block before the region,
2913          * so we set it delayed here if necessary */
2914         if (BLI_findindex(&handle->region->uiblocks, block) == -1)
2915                 UI_block_region_set(block, handle->region);
2916
2917         UI_block_layout_resolve(block, &width, &height);
2918
2919         UI_block_flag_enable(block, UI_BLOCK_LOOP | UI_BLOCK_NUMSELECT);
2920
2921         block->minbounds = minwidth;
2922         block->bounds = 1;
2923         block->mx = 0;
2924         block->my = 0;
2925         block->bounds_type = UI_BLOCK_BOUNDS_PIE_CENTER;
2926
2927         block->pie_data.pie_center_spawned[0] = pie->mx;
2928         block->pie_data.pie_center_spawned[1] = pie->my;
2929
2930         return pie->block_radial;
2931 }
2932
2933 static float ui_pie_menu_title_width(const char *name, int icon)
2934 {
2935         const uiFontStyle *fstyle = UI_FSTYLE_WIDGET;
2936         return (UI_fontstyle_string_width(fstyle, name) +
2937                  (UI_UNIT_X * (1.50f + (icon ? 0.25f : 0.0f))));
2938 }
2939
2940 uiPieMenu *UI_pie_menu_begin(struct bContext *C, const char *title, int icon, const wmEvent *event)
2941 {
2942         uiStyle *style;
2943         uiPieMenu *pie;
2944         short event_type;
2945
2946         wmWindow *win = CTX_wm_window(C);
2947
2948         style = UI_style_get_dpi();
2949         pie = MEM_callocN(sizeof(uiPopupMenu), "pie menu");
2950
2951         pie->block_radial = UI_block_begin(C, NULL, __func__, UI_EMBOSS);
2952         /* may be useful later to allow spawning pies
2953          * from old positions */
2954         /* pie->block_radial->flag |= UI_BLOCK_POPUP_MEMORY; */
2955         pie->block_radial->puphash = ui_popup_menu_hash(title);
2956         pie->block_radial->flag |= UI_BLOCK_RADIAL;
2957
2958         /* if pie is spawned by a left click, it is always assumed to be click style */
2959         if (event->type == LEFTMOUSE) {
2960                 pie->block_radial->pie_data.flags |= UI_PIE_CLICK_STYLE;
2961                 pie->block_radial->pie_data.event = EVENT_NONE;
2962                 win->lock_pie_event = EVENT_NONE;
2963         }
2964         else {
2965                 if (win->last_pie_event != EVENT_NONE) {
2966                         /* original pie key has been released, so don't propagate the event */
2967                         if (win->lock_pie_event == EVENT_NONE) {
2968                                 event_type = EVENT_NONE;
2969                                 pie->block_radial->pie_data.flags |= UI_PIE_CLICK_STYLE;
2970                         }
2971                         else
2972                                 event_type = win->last_pie_event;
2973                 }
2974                 else {
2975                         event_type = event->type;
2976                 }
2977
2978                 pie->block_radial->pie_data.event = event_type;
2979                 win->lock_pie_event = event_type;
2980         }
2981
2982         pie->layout = UI_block_layout(pie->block_radial, UI_LAYOUT_VERTICAL, UI_LAYOUT_PIEMENU, 0, 0, 200, 0, 0, style);
2983         pie->mx = event->x;
2984         pie->my = event->y;
2985
2986         /* create title button */
2987         if (title[0]) {
2988                 uiBut *but;
2989                 char titlestr[256];
2990                 int w;
2991                 if (icon) {
2992                         BLI_snprintf(titlestr, sizeof(titlestr), " %s", title);
2993                         w = ui_pie_menu_title_width(titlestr, icon);
2994                         but = uiDefIconTextBut(pie->block_radial, UI_BTYPE_LABEL, 0, icon, titlestr, 0, 0, w, UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
2995                 }
2996                 else {
2997                         w = ui_pie_menu_title_width(title, 0);
2998                         but = uiDefBut(pie->block_radial, UI_BTYPE_LABEL, 0, title, 0, 0, w, UI_UNIT_Y, NULL, 0.0, 0.0, 0, 0, "");
2999                 }
3000                 /* do not align left */
3001                 but->drawflag &= ~UI_BUT_TEXT_LEFT;
3002                 pie->block_radial->pie_data.title = but->str;
3003                 pie->block_radial->pie_data.icon = icon;
3004         }
3005
3006         return pie;
3007 }
3008
3009 void UI_pie_menu_end(bContext *C, uiPieMenu *pie)
3010 {
3011         wmWindow *window = CTX_wm_window(C);
3012         uiPopupBlockHandle *menu;
3013
3014         menu = ui_popup_block_create(C, NULL, NULL, NULL, ui_block_func_PIE, pie);
3015         menu->popup = true;
3016         menu->towardstime = PIL_check_seconds_timer();
3017
3018         UI_popup_handlers_add(
3019                 C, &window->modalhandlers,
3020                 menu, WM_HANDLER_ACCEPT_DBL_CLICK);
3021         WM_event_add_mousemove(C);
3022
3023         menu->can_refresh = false;
3024         MEM_freeN(pie);
3025 }
3026
3027 uiLayout *UI_pie_menu_layout(uiPieMenu *pie)
3028 {
3029         return pie->layout;
3030 }
3031
3032 int UI_pie_menu_invoke(struct bContext *C, const char *idname, const wmEvent *event)
3033 {
3034         uiPieMenu *pie;
3035         uiLayout *layout;
3036         Menu menu;
3037         MenuType *mt = WM_menutype_find(idname, true);
3038
3039         if (mt == NULL) {
3040                 printf("%s: named menu \"%s\" not found\n", __func__, idname);
3041                 return OPERATOR_CANCELLED;
3042         }
3043
3044         if (mt->poll && mt->poll(C, mt) == 0)
3045                 /* cancel but allow event to pass through, just like operators do */
3046                 return (OPERATOR_CANCELLED | OPERATOR_PASS_THROUGH);
3047
3048         pie = UI_pie_menu_begin(C, IFACE_(mt->label), ICON_NONE, event);
3049         layout = UI_pie_menu_layout(pie);
3050
3051         menu.layout = layout;
3052         menu.type = mt;
3053
3054         if (G.debug & G_DEBUG_WM) {
3055                 printf("%s: opening menu \"%s\"\n", __func__, idname);
3056         }
3057
3058         mt->draw(C, &menu);
3059
3060         UI_pie_menu_end(C, pie);
3061
3062         return OPERATOR_INTERFACE;
3063 }
3064
3065 int UI_pie_menu_invoke_from_operator_enum(
3066         struct bContext *C, const char *title, const char *opname,
3067         const char *propname, const wmEvent *event)
3068 {
3069         uiPieMenu *pie;
3070         uiLayout *layout;
3071
3072         pie = UI_pie_menu_begin(C, IFACE_(title), ICON_NONE, event);
3073         layout = UI_pie_menu_layout(pie);
3074
3075         layout = uiLayoutRadial(layout);
3076         uiItemsEnumO(layout, opname, propname);
3077
3078         UI_pie_menu_end(C, pie);
3079
3080         return OPERATOR_INTERFACE;
3081 }
3082
3083 int UI_pie_menu_invoke_from_rna_enum(
3084         struct bContext *C, const char *title, const char *path,
3085         const wmEvent *event)
3086 {
3087         PointerRNA ctx_ptr;
3088         PointerRNA r_ptr;
3089         PropertyRNA *r_prop;
3090         uiPieMenu *pie;
3091         uiLayout *layout;
3092
3093         RNA_pointer_create(NULL, &RNA_Context, C, &ctx_ptr);
3094
3095         if (!RNA_path_resolve(&ctx_ptr, path, &r_ptr, &r_prop)) {
3096                 return OPERATOR_CANCELLED;