source/blender/editors/interface/interface_handlers.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 #include <float.h>
  27 #include <math.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "MEM_guardedalloc.h"
  32
  33 #include "DNA_color_types.h"
  34 #include "DNA_object_types.h"
  35 #include "DNA_scene_types.h"
  36 #include "DNA_screen_types.h"
  37 #include "DNA_texture_types.h"
  38 #include "DNA_userdef_types.h"
  39 #include "DNA_windowmanager_types.h"
  40
  41 #include "BLI_math.h"
  42 #include "BLI_blenlib.h"
  43 #include "PIL_time.h"
  44
  45 #include "BKE_colortools.h"
  46 #include "BKE_context.h"
  47 #include "BKE_idprop.h"
  48 #include "BKE_report.h"
  49 #include "BKE_texture.h"
  50 #include "BKE_utildefines.h"
  51
  52 #include "ED_screen.h"
  53 #include "ED_util.h"
  54 #include "ED_keyframing.h"
  55
  56 #include "UI_interface.h"
  57
  58 #include "BLF_api.h"
  59
  60 #include "interface_intern.h"
  61
  62 #include "RNA_access.h"
  63
  64 #include "WM_api.h"
  65 #include "WM_types.h"
  66
  67 /***************** structs and defines ****************/
  68
  69 #define BUTTON_TOOLTIP_DELAY            0.500
  70 #define BUTTON_FLASH_DELAY                      0.020
  71 #define BUTTON_AUTO_OPEN_THRESH         0.3
  72 #define BUTTON_MOUSE_TOWARDS_THRESH     1.0
  73
  74 typedef enum uiButtonActivateType {
  75         BUTTON_ACTIVATE_OVER,
  76         BUTTON_ACTIVATE,
  77         BUTTON_ACTIVATE_APPLY,
  78         BUTTON_ACTIVATE_TEXT_EDITING,
  79         BUTTON_ACTIVATE_OPEN
  80 } uiButtonActivateType;
  81
  82 typedef enum uiHandleButtonState {
  83         BUTTON_STATE_INIT,
  84         BUTTON_STATE_HIGHLIGHT,
  85         BUTTON_STATE_WAIT_FLASH,
  86         BUTTON_STATE_WAIT_RELEASE,
  87         BUTTON_STATE_WAIT_KEY_EVENT,
  88         BUTTON_STATE_NUM_EDITING,
  89         BUTTON_STATE_TEXT_EDITING,
  90         BUTTON_STATE_TEXT_SELECTING,
  91         BUTTON_STATE_MENU_OPEN,
  92         BUTTON_STATE_EXIT
  93 } uiHandleButtonState;
  94
  95 typedef struct uiHandleButtonData {
  96         wmWindowManager *wm;
  97         wmWindow *window;
  98         ARegion *region;
  99
 100         int interactive;
 101
 102         /* overall state */
 103         uiHandleButtonState state;
 104         int cancel, escapecancel, retval;
 105         int applied, appliedinteractive;
 106         wmTimer *flashtimer;
 107
 108         /* edited value */
 109         char *str, *origstr;
 110         double value, origvalue, startvalue;
 111         float vec[3], origvec[3];
 112         int togdual, togonly;
 113         ColorBand *coba;
 114         CurveMapping *cumap;
 115
 116         /* tooltip */
 117         ARegion *tooltip;
 118         wmTimer *tooltiptimer;
 119
 120         /* auto open */
 121         int used_mouse;
 122         wmTimer *autoopentimer;
 123
 124         /* text selection/editing */
 125         int maxlen, selextend, selstartx;
 126
 127         /* number editing / dragging */
 128         int draglastx, draglasty;
 129         int dragstartx, dragstarty;
 130         int dragchange, draglock, dragsel;
 131         float dragf, dragfstart;
 132         CBData *dragcbd;
 133
 134         /* menu open */
 135         uiPopupBlockHandle *menu;
 136         int menuretval;
 137
 138         /* search box */
 139         ARegion *searchbox;
 140
 141         /* post activate */
 142         uiButtonActivateType posttype;
 143         uiBut *postbut;
 144 } uiHandleButtonData;
 145
 146 typedef struct uiAfterFunc {
 147         struct uiAfterFunc *next, *prev;
 148
 149         uiButHandleFunc func;
 150         void *func_arg1;
 151         void *func_arg2;
 152         void *func_arg3;
 153
 154         uiButHandleNFunc funcN;
 155         void *func_argN;
 156
 157         uiButHandleRenameFunc rename_func;
 158         void *rename_arg1;
 159         void *rename_orig;
 160
 161         uiBlockHandleFunc handle_func;
 162         void *handle_func_arg;
 163         int retval;
 164
 165         uiMenuHandleFunc butm_func;
 166         void *butm_func_arg;
 167         int a2;
 168
 169         wmOperatorType *optype;
 170         int opcontext;
 171         PointerRNA *opptr;
 172
 173         PointerRNA rnapoin;
 174         PropertyRNA *rnaprop;
 175
 176         bContextStore *context;
 177
 178         char undostr[512];
 179
 180         int autokey;
 181 } uiAfterFunc;
 182
 183 static int ui_mouse_inside_button(ARegion *ar, uiBut *but, int x, int y);
 184 static void button_activate_state(bContext *C, uiBut *but, uiHandleButtonState state);
 185 static int ui_handler_region_menu(bContext *C, wmEvent *event, void *userdata);
 186 static void ui_handle_button_activate(bContext *C, ARegion *ar, uiBut *but, uiButtonActivateType type);
 187 static void button_timers_tooltip_remove(bContext *C, uiBut *but);
 188
 189 /* ******************** menu navigation helpers ************** */
 190
 191 static uiBut *ui_but_prev(uiBut *but)
 192 {
 193         while(but->prev) {
 194                 but= but->prev;
 195                 if(!ELEM4(but->type, LABEL, SEPR, ROUNDBOX, LISTBOX)) return but;
 196         }
 197         return NULL;
 198 }
 199
 200 static uiBut *ui_but_next(uiBut *but)
 201 {
 202         while(but->next) {
 203                 but= but->next;
 204                 if(!ELEM4(but->type, LABEL, SEPR, ROUNDBOX, LISTBOX)) return but;
 205         }
 206         return NULL;
 207 }
 208
 209 static uiBut *ui_but_first(uiBlock *block)
 210 {
 211         uiBut *but;
 212
 213         but= block->buttons.first;
 214         while(but) {
 215                 if(!ELEM4(but->type, LABEL, SEPR, ROUNDBOX, LISTBOX)) return but;
 216                 but= but->next;
 217         }
 218         return NULL;
 219 }
 220
 221 static uiBut *ui_but_last(uiBlock *block)
 222 {
 223         uiBut *but;
 224
 225         but= block->buttons.last;
 226         while(but) {
 227                 if(!ELEM4(but->type, LABEL, SEPR, ROUNDBOX, LISTBOX)) return but;
 228                 but= but->prev;
 229         }
 230         return NULL;
 231 }
 232
 233 static int ui_is_a_warp_but(uiBut *but)
 234 {
 235         if(U.uiflag & USER_CONTINUOUS_MOUSE)
 236                 if(ELEM(but->type, NUM, NUMABS))
 237                         return TRUE;
 238
 239         return FALSE;
 240 }
 241
 242 /* ********************** button apply/revert ************************/
 243
 244 static ListBase UIAfterFuncs = {NULL, NULL};
 245
 246 static void ui_apply_but_func(bContext *C, uiBut *but)
 247 {
 248         uiAfterFunc *after;
 249         uiBlock *block= but->block;
 250
 251         /* these functions are postponed and only executed after all other
 252          * handling is done, i.e. menus are closed, in order to avoid conflicts
 253          * with these functions removing the buttons we are working with */
 254
 255         if(but->func || but->funcN || block->handle_func || but->rename_func || (but->type == BUTM && block->butm_func) || but->optype || but->rnaprop) {
 256                 after= MEM_callocN(sizeof(uiAfterFunc), "uiAfterFunc");
 257
 258                 if(but->func && ELEM(but, but->func_arg1, but->func_arg2)) {
 259                         /* exception, this will crash due to removed button otherwise */
 260                         but->func(C, but->func_arg1, but->func_arg2);
 261                 }
 262                 else
 263                         after->func= but->func;
 264
 265                 after->func_arg1= but->func_arg1;
 266                 after->func_arg2= but->func_arg2;
 267                 after->func_arg3= but->func_arg3;
 268
 269                 after->funcN= but->funcN;
 270                 after->func_argN= but->func_argN;
 271
 272                 after->rename_func= but->rename_func;
 273                 after->rename_arg1= but->rename_arg1;
 274                 after->rename_orig= but->rename_orig; /* needs free! */
 275
 276                 after->handle_func= block->handle_func;
 277                 after->handle_func_arg= block->handle_func_arg;
 278                 after->retval= but->retval;
 279
 280                 if(but->type == BUTM) {
 281                         after->butm_func= block->butm_func;
 282                         after->butm_func_arg= block->butm_func_arg;
 283                         after->a2= but->a2;
 284                 }
 285
 286                 after->optype= but->optype;
 287                 after->opcontext= but->opcontext;
 288                 after->opptr= but->opptr;
 289
 290                 after->rnapoin= but->rnapoin;
 291                 after->rnaprop= but->rnaprop;
 292
 293                 if(but->context)
 294                         after->context= CTX_store_copy(but->context);
 295
 296                 but->optype= NULL;
 297                 but->opcontext= 0;
 298                 but->opptr= NULL;
 299
 300                 BLI_addtail(&UIAfterFuncs, after);
 301         }
 302 }
 303
 304 static void ui_apply_autokey_undo(bContext *C, uiBut *but)
 305 {
 306         Scene *scene= CTX_data_scene(C);
 307         uiAfterFunc *after;
 308         char *str= NULL;
 309
 310         if(but->flag & UI_BUT_UNDO) {
 311                 /* define which string to use for undo */
 312                 if ELEM(but->type, LINK, INLINK) str= "Add button link";
 313                 else if ELEM(but->type, MENU, ICONTEXTROW) str= but->drawstr;
 314                 else if(but->drawstr[0]) str= but->drawstr;
 315                 else str= but->tip;
 316         }
 317
 318         /* delayed, after all other funcs run, popups are closed, etc */
 319         if(str) {
 320                 after= MEM_callocN(sizeof(uiAfterFunc), "uiAfterFunc");
 321                 BLI_strncpy(after->undostr, str, sizeof(after->undostr));
 322                 BLI_addtail(&UIAfterFuncs, after);
 323         }
 324
 325         /* try autokey */
 326         ui_but_anim_autokey(but, scene, scene->r.cfra);
 327 }
 328
 329 static void ui_apply_but_funcs_after(bContext *C)
 330 {
 331         uiAfterFunc *afterf, after;
 332         PointerRNA opptr;
 333         ListBase funcs;
 334
 335         /* copy to avoid recursive calls */
 336         funcs= UIAfterFuncs;
 337         UIAfterFuncs.first= UIAfterFuncs.last= NULL;
 338
 339         for(afterf=funcs.first; afterf; afterf=after.next) {
 340                 after= *afterf; /* copy to avoid memleak on exit() */
 341                 BLI_freelinkN(&funcs, afterf);
 342
 343                 if(after.context)
 344                         CTX_store_set(C, after.context);
 345
 346                 if(after.opptr) {
 347                         /* free in advance to avoid leak on exit */
 348                         opptr= *after.opptr,
 349                         MEM_freeN(after.opptr);
 350                 }
 351
 352                 if(after.optype)
 353                         WM_operator_name_call(C, after.optype->idname, after.opcontext, (after.opptr)? &opptr: NULL);
 354
 355                 if(after.opptr)
 356                         WM_operator_properties_free(&opptr);
 357
 358                 if(after.rnapoin.data)
 359                         RNA_property_update(C, &after.rnapoin, after.rnaprop);
 360
 361                 if(after.context) {
 362                         CTX_store_set(C, NULL);
 363                         CTX_store_free(after.context);
 364                 }
 365
 366                 if(after.func)
 367                         after.func(C, after.func_arg1, after.func_arg2);
 368                 if(after.funcN)
 369                         after.funcN(C, after.func_argN, after.func_arg2);
 370
 371                 if(after.handle_func)
 372                         after.handle_func(C, after.handle_func_arg, after.retval);
 373                 if(after.butm_func)
 374                         after.butm_func(C, after.butm_func_arg, after.a2);
 375
 376                 if(after.rename_func)
 377                         after.rename_func(C, after.rename_arg1, after.rename_orig);
 378                 if(after.rename_orig)
 379                         MEM_freeN(after.rename_orig);
 380
 381                 if(after.undostr[0])
 382                         ED_undo_push(C, after.undostr);
 383         }
 384 }
 385
 386 static void ui_apply_but_BUT(bContext *C, uiBut *but, uiHandleButtonData *data)
 387 {
 388         ui_apply_but_func(C, but);
 389
 390         data->retval= but->retval;
 391         data->applied= 1;
 392 }
 393
 394 static void ui_apply_but_BUTM(bContext *C, uiBut *but, uiHandleButtonData *data)
 395 {
 396         ui_set_but_val(but, but->hardmin);
 397         ui_apply_but_func(C, but);
 398
 399         data->retval= but->retval;
 400         data->applied= 1;
 401 }
 402
 403 static void ui_apply_but_BLOCK(bContext *C, uiBut *but, uiHandleButtonData *data)
 404 {
 405         if(ELEM3(but->type, MENU, ICONROW, ICONTEXTROW))
 406                 ui_set_but_val(but, data->value);
 407
 408         ui_check_but(but);
 409         ui_apply_but_func(C, but);
 410         data->retval= but->retval;
 411         data->applied= 1;
 412 }
 413
 414 static void ui_apply_but_TOG(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data)
 415 {
 416         double value;
 417         int w, lvalue, push;
 418
 419         /* local hack... */
 420         if(but->type==BUT_TOGDUAL && data->togdual) {
 421                 if(but->pointype==SHO)
 422                         but->poin += 2;
 423                 else if(but->pointype==INT)
 424                         but->poin += 4;
 425         }
 426
 427         value= ui_get_but_val(but);
 428         lvalue= (int)value;
 429
 430         if(but->bit) {
 431                 w= BTST(lvalue, but->bitnr);
 432                 if(w) lvalue = BCLR(lvalue, but->bitnr);
 433                 else lvalue = BSET(lvalue, but->bitnr);
 434
 435                 if(but->type==TOGR) {
 436                         if(!data->togonly) {
 437                                 lvalue= 1<<(but->bitnr);
 438
 439                                 ui_set_but_val(but, (double)lvalue);
 440                         }
 441                         else {
 442                                 if(lvalue==0) lvalue= 1<<(but->bitnr);
 443                         }
 444                 }
 445
 446                 ui_set_but_val(but, (double)lvalue);
 447                 if(but->type==ICONTOG || but->type==ICONTOGN) ui_check_but(but);
 448         }
 449         else {
 450
 451                 if(value==0.0) push= 1;
 452                 else push= 0;
 453
 454                 if(ELEM3(but->type, TOGN, ICONTOGN, OPTIONN)) push= !push;
 455                 ui_set_but_val(but, (double)push);
 456                 if(but->type==ICONTOG || but->type==ICONTOGN) ui_check_but(but);
 457         }
 458
 459         /* end local hack... */
 460         if(but->type==BUT_TOGDUAL && data->togdual) {
 461                 if(but->pointype==SHO)
 462                         but->poin -= 2;
 463                 else if(but->pointype==INT)
 464                         but->poin -= 4;
 465         }
 466
 467         ui_apply_but_func(C, but);
 468
 469         data->retval= but->retval;
 470         data->applied= 1;
 471 }
 472
 473 static void ui_apply_but_ROW(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data)
 474 {
 475         uiBut *bt;
 476
 477         ui_set_but_val(but, but->hardmax);
 478
 479         /* states of other row buttons */
 480         for(bt= block->buttons.first; bt; bt= bt->next)
 481                 if(bt!=but && bt->poin==but->poin && ELEM(bt->type, ROW, LISTROW))
 482                         ui_check_but(bt);
 483
 484         ui_apply_but_func(C, but);
 485
 486         data->retval= but->retval;
 487         data->applied= 1;
 488 }
 489
 490 static void ui_apply_but_TEX(bContext *C, uiBut *but, uiHandleButtonData *data)
 491 {
 492         if(!data->str)
 493                 return;
 494
 495         ui_set_but_string(C, but, data->str);
 496         ui_check_but(but);
 497
 498         /* give butfunc the original text too */
 499         /* feature used for bone renaming, channels, etc */
 500         /* afterfunc frees origstr */
 501         but->rename_orig= data->origstr;
 502         data->origstr= NULL;
 503         ui_apply_but_func(C, but);
 504
 505         data->retval= but->retval;
 506         data->applied= 1;
 507 }
 508
 509 static void ui_apply_but_NUM(bContext *C, uiBut *but, uiHandleButtonData *data)
 510 {
 511         if(data->str) {
 512                 if(ui_set_but_string(C, but, data->str)) {
 513                         data->value= ui_get_but_val(but);
 514                 }
 515                 else {
 516                         data->cancel= 1;
 517                         return;
 518                 }
 519         }
 520         else
 521                 ui_set_but_val(but, data->value);
 522
 523         ui_check_but(but);
 524         ui_apply_but_func(C, but);
 525
 526         data->retval= but->retval;
 527         data->applied= 1;
 528 }
 529
 530 static void ui_apply_but_TOG3(bContext *C, uiBut *but, uiHandleButtonData *data)
 531 {
 532         if(but->pointype==SHO ) {
 533                 short *sp= (short *)but->poin;
 534
 535                 if( BTST(sp[1], but->bitnr)) {
 536                         sp[1]= BCLR(sp[1], but->bitnr);
 537                         sp[0]= BCLR(sp[0], but->bitnr);
 538                 }
 539                 else if( BTST(sp[0], but->bitnr)) {
 540                         sp[1]= BSET(sp[1], but->bitnr);
 541                 } else {
 542                         sp[0]= BSET(sp[0], but->bitnr);
 543                 }
 544         }
 545         else {
 546                 if( BTST(*(but->poin+2), but->bitnr)) {
 547                         *(but->poin+2)= BCLR(*(but->poin+2), but->bitnr);
 548                         *(but->poin)= BCLR(*(but->poin), but->bitnr);
 549                 }
 550                 else if( BTST(*(but->poin), but->bitnr)) {
 551                         *(but->poin+2)= BSET(*(but->poin+2), but->bitnr);
 552                 } else {
 553                         *(but->poin)= BSET(*(but->poin), but->bitnr);
 554                 }
 555         }
 556
 557         ui_check_but(but);
 558         ui_apply_but_func(C, but);
 559         data->retval= but->retval;
 560         data->applied= 1;
 561 }
 562
 563 static void ui_apply_but_VEC(bContext *C, uiBut *but, uiHandleButtonData *data)
 564 {
 565         ui_set_but_vectorf(but, data->vec);
 566         ui_check_but(but);
 567         ui_apply_but_func(C, but);
 568
 569         data->retval= but->retval;
 570         data->applied= 1;
 571 }
 572
 573 static void ui_apply_but_COLORBAND(bContext *C, uiBut *but, uiHandleButtonData *data)
 574 {
 575         ui_apply_but_func(C, but);
 576         data->retval= but->retval;
 577         data->applied= 1;
 578 }
 579
 580 static void ui_apply_but_CURVE(bContext *C, uiBut *but, uiHandleButtonData *data)
 581 {
 582         ui_apply_but_func(C, but);
 583         data->retval= but->retval;
 584         data->applied= 1;
 585 }
 586
 587 static void ui_apply_but_IDPOIN(bContext *C, uiBut *but, uiHandleButtonData *data)
 588 {
 589         ui_set_but_string(C, but, data->str);
 590         ui_check_but(but);
 591         ui_apply_but_func(C, but);
 592         data->retval= but->retval;
 593         data->applied= 1;
 594 }
 595
 596 #ifdef INTERNATIONAL
 597 static void ui_apply_but_CHARTAB(bContext *C, uiBut *but, uiHandleButtonData *data)
 598 {
 599         ui_apply_but_func(C, but);
 600         data->retval= but->retval;
 601         data->applied= 1;
 602 }
 603 #endif
 604
 605
 606 static void ui_delete_active_linkline(uiBlock *block)
 607 {
 608         uiBut *but;
 609         uiLink *link;
 610         uiLinkLine *line, *nline;
 611         int a, b;
 612
 613         but= block->buttons.first;
 614         while(but) {
 615                 if(but->type==LINK && but->link) {
 616                         line= but->link->lines.first;
 617                         while(line) {
 618
 619                                 nline= line->next;
 620
 621                                 if(line->flag & UI_SELECT) {
 622                                         BLI_remlink(&but->link->lines, line);
 623
 624                                         link= line->from->link;
 625
 626                                         /* are there more pointers allowed? */
 627                                         if(link->ppoin) {
 628
 629                                                 if(*(link->totlink)==1) {
 630                                                         *(link->totlink)= 0;
 631                                                         MEM_freeN(*(link->ppoin));
 632                                                         *(link->ppoin)= NULL;
 633                                                 }
 634                                                 else {
 635                                                         b= 0;
 636                                                         for(a=0; a< (*(link->totlink)); a++) {
 637
 638                                                                 if( (*(link->ppoin))[a] != line->to->poin ) {
 639                                                                         (*(link->ppoin))[b]= (*(link->ppoin))[a];
 640                                                                         b++;
 641                                                                 }
 642                                                         }
 643                                                         (*(link->totlink))--;
 644                                                 }
 645                                         }
 646                                         else {
 647                                                 *(link->poin)= NULL;
 648                                         }
 649
 650                                         MEM_freeN(line);
 651                                 }
 652                                 line= nline;
 653                         }
 654                 }
 655                 but= but->next;
 656         }
 657 }
 658
 659
 660 static uiLinkLine *ui_is_a_link(uiBut *from, uiBut *to)
 661 {
 662         uiLinkLine *line;
 663         uiLink *link;
 664
 665         link= from->link;
 666         if(link) {
 667                 line= link->lines.first;
 668                 while(line) {
 669                         if(line->from==from && line->to==to) return line;
 670                         line= line->next;
 671                 }
 672         }
 673         return NULL;
 674 }
 675
 676 static void ui_add_link(uiBut *from, uiBut *to)
 677 {
 678         /* in 'from' we have to add a link to 'to' */
 679         uiLink *link;
 680         uiLinkLine *line;
 681         void **oldppoin;
 682         int a;
 683
 684         if( (line= ui_is_a_link(from, to)) ) {
 685                 line->flag |= UI_SELECT;
 686                 ui_delete_active_linkline(from->block);
 687                 printf("already exists, means deletion now\n");
 688                 return;
 689         }
 690
 691         if (from->type==INLINK && to->type==INLINK) {
 692                 printf("cannot link\n");
 693                 return;
 694         }
 695         else if (from->type==LINK && to->type==INLINK) {
 696                 if( from->link->tocode != (int)to->hardmin ) {
 697                         printf("cannot link\n");
 698                         return;
 699                 }
 700         }
 701         else if(from->type==INLINK && to->type==LINK) {
 702                 if( to->link->tocode == (int)from->hardmin ) {
 703                         printf("cannot link\n");
 704                         return;
 705                 }
 706         }
 707
 708         link= from->link;
 709
 710         /* are there more pointers allowed? */
 711         if(link->ppoin) {
 712                 oldppoin= *(link->ppoin);
 713
 714                 (*(link->totlink))++;
 715                 *(link->ppoin)= MEM_callocN( *(link->totlink)*sizeof(void *), "new link");
 716
 717                 for(a=0; a< (*(link->totlink))-1; a++) {
 718                         (*(link->ppoin))[a]= oldppoin[a];
 719                 }
 720                 (*(link->ppoin))[a]= to->poin;
 721
 722                 if(oldppoin) MEM_freeN(oldppoin);
 723         }
 724         else {
 725                 *(link->poin)= to->poin;
 726         }
 727
 728 }
 729
 730
 731 static void ui_apply_but_LINK(bContext *C, uiBut *but, uiHandleButtonData *data)
 732 {
 733         ARegion *ar= CTX_wm_region(C);
 734         uiBut *bt;
 735
 736         for(bt= but->block->buttons.first; bt; bt= bt->next) {
 737                 if( ui_mouse_inside_button(ar, bt, but->linkto[0]+ar->winrct.xmin, but->linkto[1]+ar->winrct.ymin) )
 738                         break;
 739         }
 740         if(bt && bt!=but) {
 741
 742                 if(but->type==LINK) ui_add_link(but, bt);
 743                 else ui_add_link(bt, but);
 744
 745                 ui_apply_but_func(C, but);
 746                 data->retval= but->retval;
 747         }
 748         data->applied= 1;
 749 }
 750
 751 static void ui_apply_but_IMAGE(bContext *C, uiBut *but, uiHandleButtonData *data)
 752 {
 753         ui_apply_but_func(C, but);
 754
 755         data->retval= but->retval;
 756         data->applied= 1;
 757 }
 758
 759 static void ui_apply_button(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, int interactive)
 760 {
 761         char *editstr;
 762         double *editval;
 763         float *editvec;
 764         ColorBand *editcoba;
 765         CurveMapping *editcumap;
 766
 767         data->retval= 0;
 768
 769         /* if we cancel and have not applied yet, there is nothing to do,
 770          * otherwise we have to restore the original value again */
 771         if(data->cancel) {
 772                 if(!data->applied)
 773                         return;
 774
 775                 if(data->str) MEM_freeN(data->str);
 776                 data->str= data->origstr;
 777                 data->origstr= NULL;
 778                 data->value= data->origvalue;
 779                 data->origvalue= 0.0;
 780                 VECCOPY(data->vec, data->origvec);
 781                 data->origvec[0]= data->origvec[1]= data->origvec[2]= 0.0f;
 782         }
 783         else {
 784                 /* we avoid applying interactive edits a second time
 785                  * at the end with the appliedinteractive flag */
 786                 if(interactive)
 787                         data->appliedinteractive= 1;
 788                 else if(data->appliedinteractive)
 789                         return;
 790         }
 791
 792         /* ensures we are writing actual values */
 793         editstr= but->editstr;
 794         editval= but->editval;
 795         editvec= but->editvec;
 796         editcoba= but->editcoba;
 797         editcumap= but->editcumap;
 798         but->editstr= NULL;
 799         but->editval= NULL;
 800         but->editvec= NULL;
 801         but->editcoba= NULL;
 802         but->editcumap= NULL;
 803
 804         /* handle different types */
 805         switch(but->type) {
 806                 case BUT:
 807                         ui_apply_but_BUT(C, but, data);
 808                         break;
 809                 case TEX:
 810                 case SEARCH_MENU:
 811                         ui_apply_but_TEX(C, but, data);
 812                         break;
 813                 case TOGBUT:
 814                 case TOG:
 815                 case TOGR:
 816                 case ICONTOG:
 817                 case ICONTOGN:
 818                 case TOGN:
 819                 case BUT_TOGDUAL:
 820                 case OPTION:
 821                 case OPTIONN:
 822                         ui_apply_but_TOG(C, block, but, data);
 823                         break;
 824                 case ROW:
 825                 case LISTROW:
 826                         ui_apply_but_ROW(C, block, but, data);
 827                         break;
 828                 case SCROLL:
 829                 case NUM:
 830                 case NUMABS:
 831                 case SLI:
 832                 case NUMSLI:
 833                         ui_apply_but_NUM(C, but, data);
 834                         break;
 835                 case HSVSLI:
 836                         break;
 837                 case TOG3:
 838                         ui_apply_but_TOG3(C, but, data);
 839                         break;
 840                 case MENU:
 841                 case ICONROW:
 842                 case ICONTEXTROW:
 843                 case BLOCK:
 844                 case PULLDOWN:
 845                 case COL:
 846                         ui_apply_but_BLOCK(C, but, data);
 847                         break;
 848                 case BUTM:
 849                         ui_apply_but_BUTM(C, but, data);
 850                         break;
 851                 case BUT_NORMAL:
 852                 case HSVCUBE:
 853                 case HSVCIRCLE:
 854                         ui_apply_but_VEC(C, but, data);
 855                         break;
 856                 case BUT_COLORBAND:
 857                         ui_apply_but_COLORBAND(C, but, data);
 858                         break;
 859                 case BUT_CURVE:
 860                         ui_apply_but_CURVE(C, but, data);
 861                         break;
 862                 case IDPOIN:
 863                         ui_apply_but_IDPOIN(C, but, data);
 864                         break;
 865 #ifdef INTERNATIONAL
 866                 case CHARTAB:
 867                         ui_apply_but_CHARTAB(C, but, data);
 868                         break;
 869 #endif
 870                 case KEYEVT:
 871                 case HOTKEYEVT:
 872                         ui_apply_but_BUT(C, but, data);
 873                         break;
 874                 case LINK:
 875                 case INLINK:
 876                         ui_apply_but_LINK(C, but, data);
 877                         break;
 878                 case BUT_IMAGE:
 879                         ui_apply_but_IMAGE(C, but, data);
 880                         break;
 881                 default:
 882                         break;
 883         }
 884
 885         but->editstr= editstr;
 886         but->editval= editval;
 887         but->editvec= editvec;
 888         but->editcoba= editcoba;
 889         but->editcumap= editcumap;
 890 }
 891
 892 /* ******************* copy and paste ********************  */
 893
 894 /* c = copy, v = paste */
 895 static void ui_but_copy_paste(bContext *C, uiBut *but, uiHandleButtonData *data, char mode)
 896 {
 897         static ColorBand but_copypaste_coba = {0};
 898         char buf[UI_MAX_DRAW_STR+1]= {0};
 899         double val;
 900
 901         if(mode=='v' && but->lock)
 902                 return;
 903
 904         if(mode=='v') {
 905                 /* extract first line from clipboard in case of multi-line copies */
 906                 char *p, *pbuf= WM_clipboard_text_get(0);
 907                 p= pbuf;
 908                 if(p) {
 909                         int i = 0;
 910                         while (*p && *p!='\r' && *p!='\n' && i<UI_MAX_DRAW_STR) {
 911                                 buf[i++]=*p;
 912                                 p++;
 913                         }
 914                         buf[i]= 0;
 915                         MEM_freeN(pbuf);
 916                 }
 917         }
 918
 919         /* numeric value */
 920         if ELEM4(but->type, NUM, NUMABS, NUMSLI, HSVSLI) {
 921
 922                 if(but->poin==NULL && but->rnapoin.data==NULL);
 923                 else if(mode=='c') {
 924                         sprintf(buf, "%f", ui_get_but_val(but));
 925                         WM_clipboard_text_set(buf, 0);
 926                 }
 927                 else {
 928                         if (sscanf(buf, " %lf ", &val) == 1) {
 929                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
 930                                 data->value= val;
 931                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
 932                         }
 933                 }
 934         }
 935
 936         /* RGB triple */
 937         else if(but->type==COL) {
 938                 float rgb[3];
 939
 940                 if(but->poin==NULL && but->rnapoin.data==NULL);
 941                 else if(mode=='c') {
 942
 943                         ui_get_but_vectorf(but, rgb);
 944                         sprintf(buf, "[%f, %f, %f]", rgb[0], rgb[1], rgb[2]);
 945                         WM_clipboard_text_set(buf, 0);
 946
 947                 }
 948                 else {
 949                         if (sscanf(buf, "[%f, %f, %f]", &rgb[0], &rgb[1], &rgb[2]) == 3) {
 950                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
 951                                 VECCOPY(data->vec, rgb);
 952                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
 953                         }
 954                 }
 955         }
 956
 957         /* text/string and ID data */
 958         else if(ELEM(but->type, TEX, IDPOIN)) {
 959                 uiHandleButtonData *data= but->active;
 960
 961                 if(but->poin==NULL && but->rnapoin.data==NULL);
 962                 else if(mode=='c') {
 963                         button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
 964                         BLI_strncpy(buf, data->str, UI_MAX_DRAW_STR);
 965                         WM_clipboard_text_set(data->str, 0);
 966                         data->cancel= 1;
 967                         button_activate_state(C, but, BUTTON_STATE_EXIT);
 968                 }
 969                 else {
 970                         button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
 971                         BLI_strncpy(data->str, buf, data->maxlen);
 972                         button_activate_state(C, but, BUTTON_STATE_EXIT);
 973                 }
 974         }
 975         /* colorband (not supported by system clipboard) */
 976         else if(but->type==BUT_COLORBAND) {
 977                 if(mode=='c') {
 978                         if(but->poin)
 979                                 return;
 980
 981                         memcpy(&but_copypaste_coba, but->poin, sizeof(ColorBand));
 982                 }
 983                 else {
 984                         if(but_copypaste_coba.tot==0)
 985                                 return;
 986
 987                         if(!but->poin)
 988                                 but->poin= MEM_callocN(sizeof(ColorBand), "colorband");
 989
 990                         button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
 991                         memcpy(data->coba, &but_copypaste_coba, sizeof(ColorBand) );
 992                         button_activate_state(C, but, BUTTON_STATE_EXIT);
 993                 }
 994         }
 995         /* operator button (any type) */
 996         else if (but->optype) {
 997                 if(mode=='c') {
 998                         PointerRNA *opptr;
 999                         char *str;
1000                         opptr= uiButGetOperatorPtrRNA(but); /* allocated when needed, the button owns it */
1001
1002                         str= WM_operator_pystring(C, but->optype, opptr, 0);
1003
1004                         WM_clipboard_text_set(str, 0);
1005
1006                         MEM_freeN(str);
1007                 }
1008         }
1009 }
1010
1011 /* ************* in-button text selection/editing ************* */
1012
1013 /* return 1 if char ch is special character, otherwise return 0 */
1014 static short test_special_char(char ch)
1015 {
1016         switch(ch) {
1017                 case '\\':
1018                 case '/':
1019                 case '~':
1020                 case '!':
1021                 case '@':
1022                 case '#':
1023                 case '$':
1024                 case '%':
1025                 case '^':
1026                 case '&':
1027                 case '*':
1028                 case '(':
1029                 case ')':
1030                 case '+':
1031                 case '=':
1032                 case '{':
1033                 case '}':
1034                 case '[':
1035                 case ']':
1036                 case ':':
1037                 case ';':
1038                 case '\'':
1039                 case '\"':
1040                 case '<':
1041                 case '>':
1042                 case ',':
1043                 case '.':
1044                 case '?':
1045                 case '_':
1046                 case '-':
1047                 case ' ':
1048                         return 1;
1049                         break;
1050                 default:
1051                         break;
1052         }
1053         return 0;
1054 }
1055
1056 static int ui_textedit_delete_selection(uiBut *but, uiHandleButtonData *data)
1057 {
1058         char *str= data->str;
1059         int len= strlen(str);
1060         int change= 0;
1061         if(but->selsta != but->selend && len) {
1062                 memmove( str+but->selsta, str+but->selend, len+1 );
1063                 change= 1;
1064         }
1065
1066         but->pos = but->selend = but->selsta;
1067         return change;
1068 }
1069
1070 static void ui_textedit_set_cursor_pos(uiBut *but, uiHandleButtonData *data, short x)
1071 {
1072         uiStyle *style= U.uistyles.first;       // XXX pass on as arg
1073         int startx= but->x1;
1074         char *origstr;
1075
1076         uiStyleFontSet(&style->widget);
1077
1078         origstr= MEM_callocN(sizeof(char)*data->maxlen, "ui_textedit origstr");
1079
1080         BLI_strncpy(origstr, but->drawstr, data->maxlen);
1081         but->pos= strlen(origstr)-but->ofs;
1082
1083         /* XXX solve generic */
1084         if(but->type==NUM || but->type==NUMSLI)
1085                 startx += (int)(0.5f*(but->y2 - but->y1));
1086         else if(but->type==TEX)
1087                 startx += 5;
1088
1089         /* XXX does not take zoom level into account */
1090         while((BLF_width(origstr+but->ofs) + startx) > x) {
1091                 if (but->pos <= 0) break;
1092                 but->pos--;
1093                 origstr[but->pos+but->ofs] = 0;
1094         }
1095
1096         but->pos += but->ofs;
1097         if(but->pos<0) but->pos= 0;
1098
1099         MEM_freeN(origstr);
1100 }
1101
1102 static void ui_textedit_set_cursor_select(uiBut *but, uiHandleButtonData *data, short x)
1103 {
1104         if (x > data->selstartx) data->selextend = EXTEND_RIGHT;
1105         else if (x < data->selstartx) data->selextend = EXTEND_LEFT;
1106
1107         ui_textedit_set_cursor_pos(but, data, x);
1108
1109         if (data->selextend == EXTEND_RIGHT) but->selend = but->pos;
1110         if (data->selextend == EXTEND_LEFT) but->selsta = but->pos;
1111
1112         ui_check_but(but);
1113 }
1114
1115 static int ui_textedit_type_ascii(uiBut *but, uiHandleButtonData *data, char ascii)
1116 {
1117         char *str;
1118         int len, x, changed= 0;
1119
1120         str= data->str;
1121         len= strlen(str);
1122
1123         if(len-(but->selend - but->selsta)+1 <= data->maxlen) {
1124                 /* type over the current selection */
1125                 if ((but->selend - but->selsta) > 0)
1126                         changed= ui_textedit_delete_selection(but, data);
1127
1128                 len= strlen(str);
1129                 if(len+1 < data->maxlen) {
1130                         for(x= data->maxlen; x>but->pos; x--)
1131                                 str[x]= str[x-1];
1132                         str[but->pos]= ascii;
1133                         str[len+1]= '\0';
1134
1135                         but->pos++;
1136                         changed= 1;
1137                 }
1138         }
1139
1140         return changed;
1141 }
1142
1143 void ui_textedit_move(uiBut *but, uiHandleButtonData *data, int direction, int select, int jump)
1144 {
1145         char *str;
1146         int len;
1147
1148         str= data->str;
1149         len= strlen(str);
1150
1151         if(direction) { /* right*/
1152                 /* if there's a selection */
1153                 if ((but->selend - but->selsta) > 0) {
1154                         /* extend the selection based on the first direction taken */
1155                         if(select) {
1156                                 if (!data->selextend) {
1157                                         data->selextend = EXTEND_RIGHT;
1158                                 }
1159                                 if (data->selextend == EXTEND_RIGHT) {
1160                                         but->selend++;
1161                                         if (but->selend > len) but->selend = len;
1162                                 } else if (data->selextend == EXTEND_LEFT) {
1163                                         but->selsta++;
1164                                         /* if the selection start has gone past the end,
1165                                         * flip them so they're in sync again */
1166                                         if (but->selsta == but->selend) {
1167                                                 but->pos = but->selsta;
1168                                                 data->selextend = EXTEND_RIGHT;
1169                                         }
1170                                 }
1171                         } else {
1172                                 but->selsta = but->pos = but->selend;
1173                                 data->selextend = 0;
1174                         }
1175                 } else {
1176                         if(select) {
1177                                 /* make a selection, starting from the cursor position */
1178                                 but->selsta = but->pos;
1179
1180                                 but->pos++;
1181                                 if(but->pos>strlen(str)) but->pos= strlen(str);
1182
1183                                 but->selend = but->pos;
1184                         } else if(jump) {
1185                                 /* jump betweenn special characters (/,\,_,-, etc.),
1186                                  * look at function test_special_char() for complete
1187                                  * list of special character, ctr -> */
1188                                 while(but->pos < len) {
1189                                         but->pos++;
1190                                         if(test_special_char(str[but->pos])) break;
1191                                 }
1192                         } else {
1193                                 but->pos++;
1194                                 if(but->pos>strlen(str)) but->pos= strlen(str);
1195                         }
1196                 }
1197         }
1198         else { /* left */
1199                 /* if there's a selection */
1200                 if ((but->selend - but->selsta) > 0) {
1201                         /* extend the selection based on the first direction taken */
1202                         if(select) {
1203                                 if (!data->selextend) {
1204                                         data->selextend = EXTEND_LEFT;
1205                                 }
1206                                 if (data->selextend == EXTEND_LEFT) {
1207                                         but->selsta--;
1208                                         if (but->selsta < 0) but->selsta = 0;
1209                                 } else if (data->selextend == EXTEND_RIGHT) {
1210                                         but->selend--;
1211                                         /* if the selection start has gone past the end,
1212                                         * flip them so they're in sync again */
1213                                         if (but->selsta == but->selend) {
1214                                                 but->pos = but->selsta;
1215                                                 data->selextend = EXTEND_LEFT;
1216                                         }
1217                                 }
1218                         } else {
1219                                 but->pos = but->selend = but->selsta;
1220                                 data->selextend = 0;
1221                         }
1222                 } else {
1223                         if(select) {
1224                                 /* make a selection, starting from the cursor position */
1225                                 but->selend = but->pos;
1226
1227                                 but->pos--;
1228                                 if(but->pos<0) but->pos= 0;
1229
1230                                 but->selsta = but->pos;
1231                         } else if(jump) {
1232                                 /* jump betweenn special characters (/,\,_,-, etc.),
1233                                  * look at function test_special_char() for complete
1234                                  * list of special character, ctr -> */
1235                                 while(but->pos > 0){
1236                                         but->pos--;
1237                                         if(test_special_char(str[but->pos])) break;
1238                                 }
1239                         } else {
1240                                 if(but->pos>0) but->pos--;
1241                         }
1242                 }
1243         }
1244 }
1245
1246 void ui_textedit_move_end(uiBut *but, uiHandleButtonData *data, int direction, int select)
1247 {
1248         char *str;
1249
1250         str= data->str;
1251
1252         if(direction) { /* right */
1253                 if(select) {
1254                         but->selsta = but->pos;
1255                         but->selend = strlen(str);
1256                         data->selextend = EXTEND_RIGHT;
1257                 } else {
1258                         but->selsta = but->selend = but->pos= strlen(str);
1259                 }
1260         }
1261         else { /* left */
1262                 if(select) {
1263                         but->selend = but->pos;
1264                         but->selsta = 0;
1265                         data->selextend = EXTEND_LEFT;
1266                 } else {
1267                         but->selsta = but->selend = but->pos= 0;
1268                 }
1269         }
1270 }
1271
1272 static int ui_textedit_delete(uiBut *but, uiHandleButtonData *data, int direction, int all)
1273 {
1274         char *str;
1275         int len, x, changed= 0;
1276
1277         str= data->str;
1278         len= strlen(str);
1279
1280         if(all) {
1281                 if(len) changed=1;
1282                 str[0]= 0;
1283                 but->pos= 0;
1284         }
1285         else if(direction) { /* delete */
1286                 if ((but->selend - but->selsta) > 0) {
1287                         changed= ui_textedit_delete_selection(but, data);
1288                 }
1289                 else if(but->pos>=0 && but->pos<len) {
1290                         for(x=but->pos; x<len; x++)
1291                                 str[x]= str[x+1];
1292                         str[len-1]='\0';
1293                         changed= 1;
1294                 }
1295         }
1296         else { /* backspace */
1297                 if(len!=0) {
1298                         if ((but->selend - but->selsta) > 0) {
1299                                 changed= ui_textedit_delete_selection(but, data);
1300                         }
1301                         else if(but->pos>0) {
1302                                 for(x=but->pos; x<len; x++)
1303                                         str[x-1]= str[x];
1304                                 str[len-1]='\0';
1305
1306                                 but->pos--;
1307                                 changed= 1;
1308                         }
1309                 }
1310         }
1311
1312         return changed;
1313 }
1314
1315 static int ui_textedit_autocomplete(bContext *C, uiBut *but, uiHandleButtonData *data)
1316 {
1317         char *str;
1318         int changed= 1;
1319
1320         str= data->str;
1321
1322         if(data->searchbox)
1323                 ui_searchbox_autocomplete(C, data->searchbox, but, data->str);
1324         else
1325                 but->autocomplete_func(C, str, but->autofunc_arg);
1326
1327         but->pos= strlen(str);
1328         but->selsta= but->selend= but->pos;
1329
1330         return changed;
1331 }
1332
1333 static int ui_textedit_copypaste(uiBut *but, uiHandleButtonData *data, int paste, int copy, int cut)
1334 {
1335         char buf[UI_MAX_DRAW_STR]={0};
1336         char *str, *p, *pbuf;
1337         int len, x, y, i, changed= 0;
1338
1339         str= data->str;
1340         len= strlen(str);
1341
1342         /* paste */
1343         if (paste) {
1344                 /* extract the first line from the clipboard */
1345                 p = pbuf= WM_clipboard_text_get(0);
1346
1347                 if(p && p[0]) {
1348                         i= 0;
1349                         while (*p && *p!='\r' && *p!='\n' && i<UI_MAX_DRAW_STR-1) {
1350                                 buf[i++]=*p;
1351                                 p++;
1352                         }
1353                         buf[i]= 0;
1354
1355                         /* paste over the current selection */
1356                         if ((but->selend - but->selsta) > 0) {
1357                                 ui_textedit_delete_selection(but, data);
1358                                 len= strlen(str);
1359                         }
1360
1361                         for (y=0; y<strlen(buf); y++)
1362                         {
1363                                 /* add contents of buffer */
1364                                 if(len+1 < data->maxlen) {
1365                                         for(x= data->maxlen; x>but->pos; x--)
1366                                                 str[x]= str[x-1];
1367                                         str[but->pos]= buf[y];
1368                                         but->pos++;
1369                                         len++;
1370                                         str[len]= '\0';
1371                                 }
1372                         }
1373
1374                         changed= 1;
1375                 }
1376
1377                 if(pbuf)
1378                         MEM_freeN(pbuf);
1379         }
1380         /* cut & copy */
1381         else if (copy || cut) {
1382                 /* copy the contents to the copypaste buffer */
1383                 for(x= but->selsta; x <= but->selend; x++) {
1384                         if (x==but->selend)
1385                                 buf[x] = '\0';
1386                         else
1387                                 buf[(x - but->selsta)] = str[x];
1388                 }
1389
1390                 WM_clipboard_text_set(buf, 0);
1391
1392                 /* for cut only, delete the selection afterwards */
1393                 if(cut)
1394                         if((but->selend - but->selsta) > 0)
1395                                 changed= ui_textedit_delete_selection(but, data);
1396         }
1397
1398         return changed;
1399 }
1400
1401 static void ui_textedit_begin(bContext *C, uiBut *but, uiHandleButtonData *data)
1402 {
1403         if(data->str) {
1404                 MEM_freeN(data->str);
1405                 data->str= NULL;
1406         }
1407
1408         /* retrieve string */
1409         data->maxlen= ui_get_but_string_max_length(but);
1410         data->str= MEM_callocN(sizeof(char)*data->maxlen + 1, "textedit str");
1411         ui_get_but_string(but, data->str, data->maxlen);
1412
1413         data->origstr= BLI_strdup(data->str);
1414         data->selextend= 0;
1415         data->selstartx= 0;
1416
1417         /* set cursor pos to the end of the text */
1418         but->editstr= data->str;
1419         but->pos= strlen(data->str);
1420         but->selsta= 0;
1421         but->selend= strlen(data->str);
1422
1423         /* optional searchbox */
1424         if(but->type==SEARCH_MENU) {
1425                 data->searchbox= ui_searchbox_create(C, data->region, but);
1426                 ui_searchbox_update(C, data->searchbox, but, 1); /* 1= reset */
1427         }
1428
1429         ui_check_but(but);
1430 }
1431
1432 static void ui_textedit_end(bContext *C, uiBut *but, uiHandleButtonData *data)
1433 {
1434         if(but) {
1435                 if(data->searchbox) {
1436                         if(data->cancel==0)
1437                                 ui_searchbox_apply(but, data->searchbox);
1438
1439                         ui_searchbox_free(C, data->searchbox);
1440                         data->searchbox= NULL;
1441                 }
1442
1443                 but->editstr= NULL;
1444                 but->pos= -1;
1445         }
1446 }
1447
1448 static void ui_textedit_next_but(uiBlock *block, uiBut *actbut, uiHandleButtonData *data)
1449 {
1450         uiBut *but;
1451
1452         /* label and roundbox can overlap real buttons (backdrops...) */
1453         if(ELEM4(actbut->type, LABEL, SEPR, ROUNDBOX, LISTBOX))
1454                 return;
1455
1456         for(but= actbut->next; but; but= but->next) {
1457                 if(ELEM7(but->type, TEX, NUM, NUMABS, NUMSLI, HSVSLI, IDPOIN, SEARCH_MENU)) {
1458                         if(!(but->flag & UI_BUT_DISABLED)) {
1459                                 data->postbut= but;
1460                                 data->posttype= BUTTON_ACTIVATE_TEXT_EDITING;
1461                                 return;
1462                         }
1463                 }
1464         }
1465         for(but= block->buttons.first; but!=actbut; but= but->next) {
1466                 if(ELEM7(but->type, TEX, NUM, NUMABS, NUMSLI, HSVSLI, IDPOIN, SEARCH_MENU)) {
1467                         if(!(but->flag & UI_BUT_DISABLED)) {
1468                                 data->postbut= but;
1469                                 data->posttype= BUTTON_ACTIVATE_TEXT_EDITING;
1470                                 return;
1471                         }
1472                 }
1473         }
1474 }
1475
1476 static void ui_textedit_prev_but(uiBlock *block, uiBut *actbut, uiHandleButtonData *data)
1477 {
1478         uiBut *but;
1479
1480         /* label and roundbox can overlap real buttons (backdrops...) */
1481         if(ELEM4(actbut->type, LABEL, SEPR, ROUNDBOX, LISTBOX))
1482                 return;
1483
1484         for(but= actbut->prev; but; but= but->prev) {
1485                 if(ELEM7(but->type, TEX, NUM, NUMABS, NUMSLI, HSVSLI, IDPOIN, SEARCH_MENU)) {
1486                         if(!(but->flag & UI_BUT_DISABLED)) {
1487                                 data->postbut= but;
1488                                 data->posttype= BUTTON_ACTIVATE_TEXT_EDITING;
1489                                 return;
1490                         }
1491                 }
1492         }
1493         for(but= block->buttons.last; but!=actbut; but= but->prev) {
1494                 if(ELEM7(but->type, TEX, NUM, NUMABS, NUMSLI, HSVSLI, IDPOIN, SEARCH_MENU)) {
1495                         if(!(but->flag & UI_BUT_DISABLED)) {
1496                                 data->postbut= but;
1497                                 data->posttype= BUTTON_ACTIVATE_TEXT_EDITING;
1498                                 return;
1499                         }
1500                 }
1501         }
1502 }
1503
1504
1505 static void ui_do_but_textedit(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1506 {
1507         int mx, my, changed= 0, inbox=0, update= 0, retval= WM_UI_HANDLER_CONTINUE;
1508
1509         switch(event->type) {
1510                 case WHEELUPMOUSE:
1511                 case WHEELDOWNMOUSE:
1512                 case MOUSEMOVE:
1513                         if(data->searchbox)
1514                                 ui_searchbox_event(C, data->searchbox, but, event);
1515
1516                         break;
1517                 case RIGHTMOUSE:
1518                 case ESCKEY:
1519                         data->cancel= 1;
1520                         data->escapecancel= 1;
1521                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1522                         retval= WM_UI_HANDLER_BREAK;
1523                         break;
1524                 case LEFTMOUSE: {
1525
1526                         /* exit on LMB only on RELEASE for searchbox, to mimic other popups, and allow multiple menu levels */
1527                         if(data->searchbox)
1528                                 inbox= ui_searchbox_inside(data->searchbox, event->x, event->y);
1529
1530                         if(event->val==KM_PRESS) {
1531                                 mx= event->x;
1532                                 my= event->y;
1533                                 ui_window_to_block(data->region, block, &mx, &my);
1534
1535                                 if ((but->y1 <= my) && (my <= but->y2) && (but->x1 <= mx) && (mx <= but->x2)) {
1536                                         ui_textedit_set_cursor_pos(but, data, mx);
1537                                         but->selsta = but->selend = but->pos;
1538                                         data->selstartx= mx;
1539
1540                                         button_activate_state(C, but, BUTTON_STATE_TEXT_SELECTING);
1541                                         retval= WM_UI_HANDLER_BREAK;
1542                                 }
1543                                 else if(inbox==0) {
1544                                         /* if searchbox, click outside will cancel */
1545                                         if(data->searchbox)
1546                                                 data->cancel= data->escapecancel= 1;
1547                                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1548                                         retval= WM_UI_HANDLER_BREAK;
1549                                 }
1550                         }
1551                         else if(inbox) {
1552                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
1553                                 retval= WM_UI_HANDLER_BREAK;
1554                         }
1555                         break;
1556                 }
1557         }
1558
1559         if(event->val==KM_PRESS) {
1560                 switch (event->type) {
1561                         case VKEY:
1562                         case XKEY:
1563                         case CKEY:
1564                                 if(event->ctrl || event->oskey) {
1565                                         if(event->type == VKEY)
1566                                                 changed= ui_textedit_copypaste(but, data, 1, 0, 0);
1567                                         else if(event->type == CKEY)
1568                                                 changed= ui_textedit_copypaste(but, data, 0, 1, 0);
1569                                         else if(event->type == XKEY)
1570                                                 changed= ui_textedit_copypaste(but, data, 0, 0, 1);
1571
1572                                         retval= WM_UI_HANDLER_BREAK;
1573                                 }
1574                                 break;
1575                         case RIGHTARROWKEY:
1576                                 ui_textedit_move(but, data, 1, event->shift, event->ctrl);
1577                                 retval= WM_UI_HANDLER_BREAK;
1578                                 break;
1579                         case LEFTARROWKEY:
1580                                 ui_textedit_move(but, data, 0, event->shift, event->ctrl);
1581                                 retval= WM_UI_HANDLER_BREAK;
1582                                 break;
1583                         case DOWNARROWKEY:
1584                                 if(data->searchbox) {
1585                                         ui_searchbox_event(C, data->searchbox, but, event);
1586                                         break;
1587                                 }
1588                                 /* pass on purposedly */
1589                         case ENDKEY:
1590                                 ui_textedit_move_end(but, data, 1, event->shift);
1591                                 retval= WM_UI_HANDLER_BREAK;
1592                                 break;
1593                         case UPARROWKEY:
1594                                 if(data->searchbox) {
1595                                         ui_searchbox_event(C, data->searchbox, but, event);
1596                                         break;
1597                                 }
1598                                 /* pass on purposedly */
1599                         case HOMEKEY:
1600                                 ui_textedit_move_end(but, data, 0, event->shift);
1601                                 retval= WM_UI_HANDLER_BREAK;
1602                                 break;
1603                         case PADENTER:
1604                         case RETKEY:
1605                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
1606                                 retval= WM_UI_HANDLER_BREAK;
1607                                 break;
1608                         case DELKEY:
1609                                 changed= ui_textedit_delete(but, data, 1, 0);
1610                                 retval= WM_UI_HANDLER_BREAK;
1611                                 break;
1612
1613                         case BACKSPACEKEY:
1614                                 changed= ui_textedit_delete(but, data, 0, event->shift);
1615                                 retval= WM_UI_HANDLER_BREAK;
1616                                 break;
1617
1618                         case TABKEY:
1619                                 /* there is a key conflict here, we can't tab with autocomplete */
1620                                 if(but->autocomplete_func || data->searchbox) {
1621                                         changed= ui_textedit_autocomplete(C, but, data);
1622                                         update= 1; /* do live update for tab key */
1623                                         retval= WM_UI_HANDLER_BREAK;
1624                                 }
1625                                 /* the hotkey here is not well defined, was G.qual so we check all */
1626                                 else if(event->shift || event->ctrl || event->alt || event->oskey) {
1627                                         ui_textedit_prev_but(block, but, data);
1628                                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1629                                 }
1630                                 else {
1631                                         ui_textedit_next_but(block, but, data);
1632                                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1633                                 }
1634                                 retval= WM_UI_HANDLER_BREAK;
1635                                 break;
1636                 }
1637
1638                 if(event->ascii && (retval == WM_UI_HANDLER_CONTINUE)) {
1639                         changed= ui_textedit_type_ascii(but, data, event->ascii);
1640                         retval= WM_UI_HANDLER_BREAK;
1641                 }
1642         }
1643
1644         if(changed) {
1645                 /* only update when typing for TAB key */
1646                 if(update && data->interactive) ui_apply_button(C, block, but, data, 1);
1647                 else ui_check_but(but);
1648
1649                 if(data->searchbox)
1650                         ui_searchbox_update(C, data->searchbox, but, 1); /* 1 = reset */
1651         }
1652
1653         if(changed || (retval == WM_UI_HANDLER_BREAK))
1654                 ED_region_tag_redraw(data->region);
1655 }
1656
1657 static void ui_do_but_textedit_select(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1658 {
1659         int mx, my, retval= WM_UI_HANDLER_CONTINUE;
1660
1661         switch(event->type) {
1662                 case MOUSEMOVE: {
1663                         mx= event->x;
1664                         my= event->y;
1665                         ui_window_to_block(data->region, block, &mx, &my);
1666
1667                         ui_textedit_set_cursor_select(but, data, mx);
1668                         retval= WM_UI_HANDLER_BREAK;
1669                         break;
1670                 }
1671                 case LEFTMOUSE:
1672                         if(event->val == KM_RELEASE)
1673                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
1674                         retval= WM_UI_HANDLER_BREAK;
1675                         break;
1676         }
1677
1678         if(retval == WM_UI_HANDLER_BREAK) {
1679                 ui_check_but(but);
1680                 ED_region_tag_redraw(data->region);
1681         }
1682 }
1683
1684 /* ************* number editing for various types ************* */
1685
1686 static void ui_numedit_begin(uiBut *but, uiHandleButtonData *data)
1687 {
1688         float softrange, softmin, softmax;
1689
1690         if(but->type == BUT_CURVE) {
1691                 data->cumap= (CurveMapping*)but->poin;
1692                 but->editcumap= data->coba;
1693         }
1694         else if(but->type == BUT_COLORBAND) {
1695                 data->coba= (ColorBand*)but->poin;
1696                 but->editcoba= data->coba;
1697         }
1698         else if(ELEM3(but->type, BUT_NORMAL, HSVCUBE, HSVCIRCLE)) {
1699                 ui_get_but_vectorf(but, data->origvec);
1700                 VECCOPY(data->vec, data->origvec);
1701                 but->editvec= data->vec;
1702         }
1703         else {
1704                 data->startvalue= ui_get_but_val(but);
1705                 data->origvalue= data->startvalue;
1706                 data->value= data->origvalue;
1707                 but->editval= &data->value;
1708
1709                 softmin= but->softmin;
1710                 softmax= but->softmax;
1711                 softrange= softmax - softmin;
1712
1713                 data->dragfstart= (softrange == 0.0)? 0.0: (data->value - softmin)/softrange;
1714                 data->dragf= data->dragfstart;
1715         }
1716
1717         data->dragchange= 0;
1718         data->draglock= 1;
1719 }
1720
1721 static void ui_numedit_end(uiBut *but, uiHandleButtonData *data)
1722 {
1723         but->editval= NULL;
1724         but->editvec= NULL;
1725         but->editcoba= NULL;
1726         but->editcumap= NULL;
1727
1728         data->dragstartx= 0;
1729         data->draglastx= 0;
1730         data->dragchange= 0;
1731         data->dragcbd= NULL;
1732         data->dragsel= 0;
1733 }
1734
1735 static void ui_numedit_apply(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data)
1736 {
1737         if(data->interactive) ui_apply_button(C, block, but, data, 1);
1738         else ui_check_but(but);
1739
1740         ED_region_tag_redraw(data->region);
1741 }
1742
1743 /* ****************** menu opening for various types **************** */
1744
1745 static void ui_blockopen_begin(bContext *C, uiBut *but, uiHandleButtonData *data)
1746 {
1747         uiBlockCreateFunc func= NULL;
1748         uiBlockHandleCreateFunc handlefunc= NULL;
1749         uiMenuCreateFunc menufunc= NULL;
1750         char *menustr= NULL;
1751         void *arg= NULL;
1752
1753         switch(but->type) {
1754                 case BLOCK:
1755                 case PULLDOWN:
1756                         if(but->menu_create_func) {
1757                                 menufunc= but->menu_create_func;
1758                                 arg= but->poin;
1759                         }
1760                         else {
1761                                 func= but->block_create_func;
1762                                 arg= but->poin?but->poin:but->func_argN;
1763                         }
1764                         break;
1765                 case MENU:
1766                         if(but->menu_create_func) {
1767                                 menufunc= but->menu_create_func;
1768                                 arg= but->poin;
1769                         }
1770                         else {
1771                                 data->origvalue= ui_get_but_val(but);
1772                                 data->value= data->origvalue;
1773                                 but->editval= &data->value;
1774
1775                                 menustr= but->str;
1776                         }
1777                         break;
1778                 case ICONROW:
1779                         menufunc= ui_block_func_ICONROW;
1780                         arg= but;
1781                         break;
1782                 case ICONTEXTROW:
1783                         menufunc= ui_block_func_ICONTEXTROW;
1784                         arg= but;
1785                         break;
1786                 case COL:
1787                         ui_get_but_vectorf(but, data->origvec);
1788                         VECCOPY(data->vec, data->origvec);
1789                         but->editvec= data->vec;
1790
1791                         handlefunc= ui_block_func_COL;
1792                         arg= but;
1793                         break;
1794         }
1795
1796         if(func || handlefunc) {
1797                 data->menu= ui_popup_block_create(C, data->region, but, func, handlefunc, arg);
1798                 if(but->block->handle)
1799                         data->menu->popup= but->block->handle->popup;
1800         }
1801         else if(menufunc || menustr) {
1802                 data->menu= ui_popup_menu_create(C, data->region, but, menufunc, arg, menustr);
1803                 if(but->block->handle)
1804                         data->menu->popup= but->block->handle->popup;
1805         }
1806
1807         /* this makes adjacent blocks auto open from now on */
1808         //if(but->block->auto_open==0) but->block->auto_open= 1;
1809 }
1810
1811 static void ui_blockopen_end(bContext *C, uiBut *but, uiHandleButtonData *data)
1812 {
1813         if(but) {
1814                 but->editval= NULL;
1815                 but->editvec= NULL;
1816
1817                 but->block->auto_open_last= PIL_check_seconds_timer();
1818         }
1819
1820         if(data->menu) {
1821                 ui_popup_block_free(C, data->menu);
1822                 data->menu= NULL;
1823         }
1824 }
1825
1826 /* ***************** events for different button types *************** */
1827
1828 static int ui_do_but_BUT(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1829 {
1830         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1831                 if(event->type == LEFTMOUSE && event->val==KM_PRESS) {
1832                         button_activate_state(C, but, BUTTON_STATE_WAIT_RELEASE);
1833                         return WM_UI_HANDLER_BREAK;
1834                 }
1835                 else if(event->type == LEFTMOUSE && but->block->handle) {
1836                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1837                         return WM_UI_HANDLER_BREAK;
1838                 }
1839                 else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS) {
1840                         button_activate_state(C, but, BUTTON_STATE_WAIT_FLASH);
1841                         return WM_UI_HANDLER_BREAK;
1842                 }
1843         }
1844         else if(data->state == BUTTON_STATE_WAIT_RELEASE) {
1845                 if(event->type == LEFTMOUSE && event->val!=KM_PRESS) {
1846                         if(!(but->flag & UI_SELECT))
1847                                 data->cancel= 1;
1848                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1849                         return WM_UI_HANDLER_BREAK;
1850                 }
1851         }
1852
1853         return WM_UI_HANDLER_CONTINUE;
1854 }
1855
1856 static int ui_do_but_HOTKEYEVT(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1857 {
1858         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1859                 if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->val==KM_PRESS) {
1860                         but->drawstr[0]= 0;
1861                         but->modifier_key= 0;
1862                         button_activate_state(C, but, BUTTON_STATE_WAIT_KEY_EVENT);
1863                         return WM_UI_HANDLER_BREAK;
1864                 }
1865         }
1866         else if(data->state == BUTTON_STATE_WAIT_KEY_EVENT) {
1867
1868                 if(event->type == MOUSEMOVE)
1869                         return WM_UI_HANDLER_CONTINUE;
1870
1871                 if(event->type == ESCKEY) {
1872                         /* data->cancel doesnt work, this button opens immediate */
1873                         if(but->flag & UI_BUT_IMMEDIATE)
1874                                 ui_set_but_val(but, 0);
1875                         else
1876                                 data->cancel= 1;
1877                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1878                         return WM_UI_HANDLER_BREAK;
1879                 }
1880
1881                 /* always set */
1882                 but->modifier_key = 0;
1883                 if(event->shift)
1884                         but->modifier_key |= KM_SHIFT;
1885                 if(event->alt)
1886                         but->modifier_key |= KM_ALT;
1887                 if(event->ctrl)
1888                         but->modifier_key |= KM_CTRL;
1889                 if(event->oskey)
1890                         but->modifier_key |= KM_OSKEY;
1891
1892                 ui_check_but(but);
1893                 ED_region_tag_redraw(data->region);
1894
1895                 if(event->val==KM_PRESS) {
1896                         if(ISHOTKEY(event->type)) {
1897
1898                                 if(WM_key_event_string(event->type)[0])
1899                                         ui_set_but_val(but, event->type);
1900                                 else
1901                                         data->cancel= 1;
1902
1903                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
1904                                 return WM_UI_HANDLER_BREAK;
1905                         }
1906                 }
1907         }
1908
1909         return WM_UI_HANDLER_CONTINUE;
1910 }
1911
1912
1913 static int ui_do_but_KEYEVT(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1914 {
1915         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1916                 if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->val==KM_PRESS) {
1917                         short event= (short)ui_get_but_val(but);
1918                         /* hardcoded prevention from editing or assigning ESC */
1919                         if(event!=ESCKEY)
1920                                 button_activate_state(C, but, BUTTON_STATE_WAIT_KEY_EVENT);
1921                         return WM_UI_HANDLER_BREAK;
1922                 }
1923         }
1924         else if(data->state == BUTTON_STATE_WAIT_KEY_EVENT) {
1925                 if(event->type == MOUSEMOVE)
1926                         return WM_UI_HANDLER_CONTINUE;
1927
1928                 if(event->val==KM_PRESS) {
1929                         if(event->type!=ESCKEY && WM_key_event_string(event->type)[0])
1930                                 ui_set_but_val(but, event->type);
1931                         else
1932                                 data->cancel= 1;
1933
1934                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1935                 }
1936         }
1937
1938         return WM_UI_HANDLER_CONTINUE;
1939 }
1940
1941 static int ui_do_but_TEX(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1942 {
1943         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1944                 if(ELEM4(event->type, LEFTMOUSE, PADENTER, RETKEY, EVT_BUT_OPEN) && event->val==KM_PRESS) {
1945                         if(but->dt == UI_EMBOSSN && !event->ctrl);
1946                         else {
1947                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
1948                                 return WM_UI_HANDLER_BREAK;
1949                         }
1950                 }
1951         }
1952         else if(data->state == BUTTON_STATE_TEXT_EDITING) {
1953                 ui_do_but_textedit(C, block, but, data, event);
1954                 return WM_UI_HANDLER_BREAK;
1955         }
1956         else if(data->state == BUTTON_STATE_TEXT_SELECTING) {
1957                 ui_do_but_textedit_select(C, block, but, data, event);
1958                 return WM_UI_HANDLER_BREAK;
1959         }
1960
1961         return WM_UI_HANDLER_CONTINUE;
1962 }
1963
1964 static int ui_do_but_TOG(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1965 {
1966         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1967                 if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->val==KM_PRESS) {
1968                         data->togdual= event->ctrl;
1969                         data->togonly= !event->shift;
1970                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1971                         return WM_UI_HANDLER_BREAK;
1972                 }
1973         }
1974         return WM_UI_HANDLER_CONTINUE;
1975 }
1976
1977 static int ui_do_but_EXIT(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
1978 {
1979         if(data->state == BUTTON_STATE_HIGHLIGHT) {
1980                 if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->val==KM_PRESS) {
1981                         button_activate_state(C, but, BUTTON_STATE_EXIT);
1982                         return WM_UI_HANDLER_BREAK;
1983                 }
1984         }
1985
1986         return WM_UI_HANDLER_CONTINUE;
1987 }
1988
1989 /* var names match ui_numedit_but_NUM */
1990 static float ui_numedit_apply_snapf(float tempf, float softmin, float softmax, float softrange, int snap)
1991 {
1992         if(tempf==softmin || tempf==softmax)
1993                 return tempf;
1994
1995         switch(snap) {
1996         case 0:
1997                 break;
1998         case 1:
1999                 if(tempf==softmin || tempf==softmax) { }
2000                 else if(softrange < 2.10) tempf= 0.1*floor(10*tempf);
2001                 else if(softrange < 21.0) tempf= floor(tempf);
2002                 else tempf= 10.0*floor(tempf/10.0);
2003                 break;
2004         case 2:
2005                 if(tempf==softmin || tempf==softmax) { }
2006                 else if(softrange < 2.10) tempf= 0.01*floor(100.0*tempf);
2007                 else if(softrange < 21.0) tempf= 0.1*floor(10.0*tempf);
2008                 else tempf= floor(tempf);
2009                 break;
2010         }
2011
2012         return tempf;
2013 }
2014
2015 static float ui_numedit_apply_snap(int temp, float softmin, float softmax, int snap)
2016 {
2017         if(temp==softmin || temp==softmax)
2018                 return temp;
2019
2020         switch(snap) {
2021         case 0:
2022                 break;
2023         case 1:
2024                 temp= 10*(temp/10);
2025                 break;
2026         case 2:
2027                 temp= 100*(temp/100);
2028                 break;
2029         }
2030
2031         return temp;
2032 }
2033
2034 static int ui_numedit_but_NUM(uiBut *but, uiHandleButtonData *data, float fac, int snap, int mx)
2035 {
2036         float deler, tempf, softmin, softmax, softrange;
2037         int lvalue, temp, changed= 0;
2038
2039         if(mx == data->draglastx)
2040                 return changed;
2041
2042         /* drag-lock - prevent unwanted scroll adjustments */
2043         /* change value (now 3) to adjust threshold in pixels */
2044         if(data->draglock) {
2045                 if(abs(mx-data->dragstartx) <= 3)
2046                         return changed;
2047
2048                 data->draglock= 0;
2049                 data->dragstartx= mx;  /* ignore mouse movement within drag-lock */
2050         }
2051
2052         softmin= but->softmin;
2053         softmax= but->softmax;
2054         softrange= softmax - softmin;
2055
2056
2057         if(ui_is_a_warp_but(but)) {
2058                 /* Mouse location isn't screen clamped to the screen so use a linear mapping
2059                  * 2px == 1-int, or 1px == 1-ClickStep */
2060                 if(ui_is_but_float(but)) {
2061                         fac *= 0.01*but->a1;
2062                         tempf = data->startvalue + ((mx - data->dragstartx) * fac);
2063                         tempf= ui_numedit_apply_snapf(tempf, softmin, softmax, softrange, snap);
2064
2065 #if 1           /* fake moving the click start, nicer for dragging back after passing the limit */
2066                         if(tempf < softmin) {
2067                                 data->dragstartx -= (softmin-tempf) / fac;
2068                                 tempf= softmin;
2069                         } else if (tempf > softmax) {
2070                                 data->dragstartx += (tempf-softmax) / fac;
2071                                 tempf= softmax;
2072                         }
2073 #else
2074                         CLAMP(tempf, softmin, softmax);
2075 #endif
2076
2077                         if(tempf != data->value) {
2078                                 data->dragchange= 1;
2079                                 data->value= tempf;
2080                                 changed= 1;
2081                         }
2082                 }
2083                 else {
2084                         fac = 0.5; /* simple 2px == 1 */
2085
2086                         temp= data->startvalue + ((mx - data->dragstartx) * fac);
2087                         temp= ui_numedit_apply_snap(temp, softmin, softmax, snap);
2088
2089 #if 1           /* fake moving the click start, nicer for dragging back after passing the limit */
2090                         if(temp < softmin) {
2091                                 data->dragstartx -= (softmin-temp) / fac;
2092                                 temp= softmin;
2093                         } else if (temp > softmax) {
2094                                 data->dragstartx += (temp-softmax) / fac;
2095                                 temp= softmax;
2096                         }
2097 #else
2098                         CLAMP(temp, softmin, softmax);
2099 #endif
2100
2101                         if(temp != data->value) {
2102                                 data->dragchange= 1;
2103                                 data->value= temp;
2104                                 changed= 1;
2105                         }
2106                 }
2107
2108                 data->draglastx= mx;
2109         }
2110         else {
2111                 /* Use a non-linear mapping of the mouse drag especially for large floats (normal behavior) */
2112                 deler= 500;
2113                 if(!ui_is_but_float(but)) {
2114                         if((softrange)<100) deler= 200.0;
2115                         if((softrange)<25) deler= 50.0;
2116                 }
2117                 deler /= fac;
2118
2119                 if(ui_is_but_float(but) && softrange > 11) {
2120                         /* non linear change in mouse input- good for high precicsion */
2121                         data->dragf+= (((float)(mx-data->draglastx))/deler) * (fabs(data->dragstartx-mx)*0.002);
2122                 } else if (!ui_is_but_float(but) && softrange > 129) { /* only scale large int buttons */
2123                         /* non linear change in mouse input- good for high precicsionm ints need less fine tuning */
2124                         data->dragf+= (((float)(mx-data->draglastx))/deler) * (fabs(data->dragstartx-mx)*0.004);
2125                 } else {
2126                         /*no scaling */
2127                         data->dragf+= ((float)(mx-data->draglastx))/deler ;
2128                 }
2129
2130                 if(data->dragf>1.0) data->dragf= 1.0;
2131                 if(data->dragf<0.0) data->dragf= 0.0;
2132                 data->draglastx= mx;
2133                 tempf= (softmin + data->dragf*softrange);
2134
2135
2136                 if(!ui_is_but_float(but)) {
2137                         temp= floor(tempf+.5);
2138
2139                         temp= ui_numedit_apply_snap(temp, softmin, softmax, snap);
2140
2141                         CLAMP(temp, softmin, softmax);
2142                         lvalue= (int)data->value;
2143
2144                         if(temp != lvalue) {
2145                                 data->dragchange= 1;
2146                                 data->value= (double)temp;
2147                                 changed= 1;
2148                         }
2149                 }
2150                 else {
2151                         temp= 0;
2152                         tempf= ui_numedit_apply_snapf(tempf, softmin, softmax, softrange, snap);
2153
2154                         CLAMP(tempf, softmin, softmax);
2155
2156                         if(tempf != data->value) {
2157                                 data->dragchange= 1;
2158                                 data->value= tempf;
2159                                 changed= 1;
2160                         }
2161                 }
2162         }
2163
2164
2165         return changed;
2166 }
2167
2168 static int ui_do_but_NUM(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2169 {
2170         int mx, my;     /* mouse location scaled to fit the UI */
2171         int screen_mx, screen_my; /* mouse location kept at screen pixel coords */
2172         int click= 0;
2173         int retval= WM_UI_HANDLER_CONTINUE;
2174
2175         mx= screen_mx= event->x;
2176         my= screen_my= event->y;
2177
2178         ui_window_to_block(data->region, block, &mx, &my);
2179
2180         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2181                 /* XXX hardcoded keymap check.... */
2182                 if(event->type == WHEELDOWNMOUSE && event->alt) {
2183                         mx= but->x1;
2184                         click= 1;
2185                 }
2186                 else if(event->type == WHEELUPMOUSE && event->alt) {
2187                         mx= but->x2;
2188                         click= 1;
2189                 }
2190                 else if(event->val==KM_PRESS) {
2191                         if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->ctrl) {
2192                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
2193                                 retval= WM_UI_HANDLER_BREAK;
2194                         }
2195                         else if(event->type == LEFTMOUSE) {
2196                                 data->dragstartx= data->draglastx= ui_is_a_warp_but(but) ? screen_mx:mx;
2197                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2198                                 retval= WM_UI_HANDLER_BREAK;
2199                         }
2200                         else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS)
2201                                 click= 1;
2202                 }
2203
2204         }
2205         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2206                 if(event->type == ESCKEY) {
2207                         data->cancel= 1;
2208                         data->escapecancel= 1;
2209                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2210                 }
2211                 else if(event->type == LEFTMOUSE && event->val!=KM_PRESS) {
2212                         if(data->dragchange)
2213                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2214                         else
2215                                 click= 1;
2216                 }
2217                 else if(event->type == MOUSEMOVE) {
2218                         float fac;
2219                         int snap;
2220
2221                         fac= 1.0f;
2222                         if(event->shift) fac /= 10.0f;
2223                         if(event->alt) fac /= 20.0f;
2224
2225                         snap= (event->ctrl)? (event->shift)? 2: 1: 0;
2226
2227                         if(ui_numedit_but_NUM(but, data, fac, snap, (ui_is_a_warp_but(but) ? screen_mx:mx)))
2228                                 ui_numedit_apply(C, block, but, data);
2229                 }
2230                 retval= WM_UI_HANDLER_BREAK;
2231         }
2232         else if(data->state == BUTTON_STATE_TEXT_EDITING) {
2233                 ui_do_but_textedit(C, block, but, data, event);
2234                 retval= WM_UI_HANDLER_BREAK;
2235         }
2236         else if(data->state == BUTTON_STATE_TEXT_SELECTING) {
2237                 ui_do_but_textedit_select(C, block, but, data, event);
2238                 retval= WM_UI_HANDLER_BREAK;
2239         }
2240
2241         if(click) {
2242                 /* we can click on the side arrows to increment/decrement,
2243                  * or click inside to edit the value directly */
2244                 float tempf, softmin, softmax;
2245                 int temp;
2246
2247                 softmin= but->softmin;
2248                 softmax= but->softmax;
2249
2250                 if(!ui_is_but_float(but)) {
2251                         if(mx < (but->x1 + (but->x2 - but->x1)/3 - 3)) {
2252                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2253
2254                                 temp= (int)data->value - 1;
2255                                 if(temp>=softmin && temp<=softmax)
2256                                         data->value= (double)temp;
2257                                 else
2258                                         data->cancel= 1;
2259
2260                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2261                         }
2262                         else if(mx > (but->x1 + (2*(but->x2 - but->x1)/3) + 3)) {
2263                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2264
2265                                 temp= (int)data->value + 1;
2266                                 if(temp>=softmin && temp<=softmax)
2267                                         data->value= (double)temp;
2268                                 else
2269                                         data->cancel= 1;
2270
2271                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2272                         }
2273                         else
2274                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
2275                 }
2276                 else {
2277                         if(mx < (but->x1 + (but->x2 - but->x1)/3 - 3)) {
2278                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2279
2280                                 tempf= data->value - 0.01*but->a1;
2281                                 if (tempf < softmin) tempf = softmin;
2282                                 data->value= tempf;
2283
2284                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2285                         }
2286                         else if(mx > but->x1 + (2*((but->x2 - but->x1)/3) + 3)) {
2287                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2288
2289                                 tempf= data->value + 0.01*but->a1;
2290                                 if (tempf > softmax) tempf = softmax;
2291                                 data->value= tempf;
2292
2293                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2294                         }
2295                         else
2296                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
2297                 }
2298
2299                 retval= WM_UI_HANDLER_BREAK;
2300         }
2301
2302         return retval;
2303 }
2304
2305 static int ui_numedit_but_SLI(uiBut *but, uiHandleButtonData *data, int shift, int ctrl, int mx)
2306 {
2307         float deler, f, tempf, softmin, softmax, softrange;
2308         int temp, lvalue, changed= 0;
2309
2310         softmin= but->softmin;
2311         softmax= but->softmax;
2312         softrange= softmax - softmin;
2313
2314         if(but->type==NUMSLI) deler= ((but->x2-but->x1) - 5.0*but->aspect);
2315         else if(but->type==HSVSLI) deler= ((but->x2-but->x1)/2 - 5.0*but->aspect);
2316         else if(but->type==SCROLL) {
2317                 int horizontal= (but->x2 - but->x1 > but->y2 - but->y1);
2318                 float size= (horizontal)? (but->x2-but->x1): -(but->y2-but->y1);
2319                 deler= size*(but->softmax - but->softmin)/(but->softmax - but->softmin + but->a1);
2320         }
2321         else deler= (but->x2-but->x1- 5.0*but->aspect);
2322
2323         f= (float)(mx-data->dragstartx)/deler + data->dragfstart;
2324
2325         if(shift)
2326                 f= (f-data->dragfstart)/10.0 + data->dragfstart;
2327
2328         CLAMP(f, 0.0, 1.0);
2329         tempf= softmin + f*softrange;
2330         temp= floor(tempf+.5);
2331
2332         if(ctrl) {
2333                 if(tempf==softmin || tempf==softmax);
2334                 else if(ui_is_but_float(but)) {
2335
2336                         if(shift) {
2337                                 if(tempf==softmin || tempf==softmax);
2338                                 else if(softmax-softmin < 2.10) tempf= 0.01*floor(100.0*tempf);
2339                                 else if(softmax-softmin < 21.0) tempf= 0.1*floor(10.0*tempf);
2340                                 else tempf= floor(tempf);
2341                         }
2342                         else {
2343                                 if(softmax-softmin < 2.10) tempf= 0.1*floor(10*tempf);
2344                                 else if(softmax-softmin < 21.0) tempf= floor(tempf);
2345                                 else tempf= 10.0*floor(tempf/10.0);
2346                         }
2347                 }
2348                 else {
2349                         temp= 10*(temp/10);
2350                         tempf= temp;
2351                 }
2352         }
2353
2354         if(!ui_is_but_float(but)) {
2355                 lvalue= floor(data->value+0.5);
2356
2357                 CLAMP(temp, softmin, softmax);
2358
2359                 if(temp != lvalue) {
2360                         data->value= temp;
2361                         data->dragchange= 1;
2362                         changed= 1;
2363                 }
2364         }
2365         else {
2366                 CLAMP(tempf, softmin, softmax);
2367
2368                 if(tempf != data->value) {
2369                         data->value= tempf;
2370                         data->dragchange= 1;
2371                         changed= 1;
2372                 }
2373         }
2374
2375         return changed;
2376 }
2377
2378 static int ui_do_but_SLI(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2379 {
2380         int mx, my, click= 0;
2381         int retval= WM_UI_HANDLER_CONTINUE;
2382
2383         mx= event->x;
2384         my= event->y;
2385         ui_window_to_block(data->region, block, &mx, &my);
2386
2387         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2388                 /* XXX hardcoded keymap check.... */
2389                 if(event->type == WHEELDOWNMOUSE && event->alt) {
2390                         mx= but->x1;
2391                         click= 2;
2392                 }
2393                 else if(event->type == WHEELUPMOUSE && event->alt) {
2394                         mx= but->x2;
2395                         click= 2;
2396                 }
2397                 else if(event->val==KM_PRESS) {
2398                         if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->ctrl) {
2399                                 button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
2400                                 retval= WM_UI_HANDLER_BREAK;
2401                         }
2402                         /* alt-click on sides to get "arrows" like in NUM buttons, and match wheel usage above */
2403                         else if(event->type == LEFTMOUSE && event->alt) {
2404                                 int halfpos = (but->x1 + but->x2) / 2;
2405                                 click = 2;
2406                                 if (mx < halfpos)
2407                                         mx = but->x1;
2408                                 else
2409                                         mx = but->x2;
2410                         }
2411                         else if(event->type == LEFTMOUSE) {
2412                                 data->dragstartx= mx;
2413                                 data->draglastx= mx;
2414                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2415                                 retval= WM_UI_HANDLER_BREAK;
2416                         }
2417                         else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS)
2418                                 click= 1;
2419                 }
2420         }
2421         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2422                 if(event->type == ESCKEY) {
2423                         data->cancel= 1;
2424                         data->escapecancel= 1;
2425                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2426                 }
2427                 else if(event->type == LEFTMOUSE && event->val!=KM_PRESS) {
2428                         if(data->dragchange)
2429                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2430                         else
2431                                 click= 1;
2432                 }
2433                 else if(event->type == MOUSEMOVE) {
2434                         if(ui_numedit_but_SLI(but, data, event->shift, event->ctrl, mx))
2435                                 ui_numedit_apply(C, block, but, data);
2436                 }
2437                 retval= WM_UI_HANDLER_BREAK;
2438         }
2439         else if(data->state == BUTTON_STATE_TEXT_EDITING) {
2440                 ui_do_but_textedit(C, block, but, data, event);
2441                 retval= WM_UI_HANDLER_BREAK;
2442         }
2443         else if(data->state == BUTTON_STATE_TEXT_SELECTING) {
2444                 ui_do_but_textedit_select(C, block, but, data, event);
2445                 retval= WM_UI_HANDLER_BREAK;
2446         }
2447
2448         if(click) {
2449                 if (click==2) {
2450                         /* nudge slider to the left or right */
2451                         float f, tempf, softmin, softmax, softrange;
2452                         int temp;
2453
2454                         button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2455
2456                         softmin= but->softmin;
2457                         softmax= but->softmax;
2458                         softrange= softmax - softmin;
2459
2460                         tempf= data->value;
2461                         temp= (int)data->value;
2462
2463                         /* XXX useles "if", same result for f, uh??? */
2464                         if(but->type==SLI) f= (float)(mx-but->x1)/(but->x2-but->x1);
2465                         else f= (float)(mx- but->x1)/(but->x2-but->x1);
2466
2467                         f= softmin + f*softrange;
2468
2469                         if(!ui_is_but_float(but)) {
2470                                 if(f<temp) temp--;
2471                                 else temp++;
2472
2473                                 if(temp>=softmin && temp<=softmax)
2474                                         data->value= temp;
2475                                 else
2476                                         data->cancel= 1;
2477                         }
2478                         else {
2479                                 if(f<tempf) tempf-=.01;
2480                                 else tempf+=.01;
2481
2482                                 if(tempf>=softmin && tempf<=softmax)
2483                                         data->value= tempf;
2484                                 else
2485                                         data->cancel= 1;
2486                         }
2487
2488                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2489                         retval= WM_UI_HANDLER_BREAK;
2490                 }
2491                 else {
2492                         /* edit the value directly */
2493                         button_activate_state(C, but, BUTTON_STATE_TEXT_EDITING);
2494                         retval= WM_UI_HANDLER_BREAK;
2495                 }
2496         }
2497
2498         return retval;
2499 }
2500
2501 static int ui_do_but_SCROLL(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2502 {
2503         int mx, my, click= 0;
2504         int retval= WM_UI_HANDLER_CONTINUE;
2505         int horizontal= (but->x2 - but->x1 > but->y2 - but->y1);
2506
2507         mx= event->x;
2508         my= event->y;
2509         ui_window_to_block(data->region, block, &mx, &my);
2510
2511         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2512                 if(event->val==KM_PRESS) {
2513                         if(event->type == LEFTMOUSE) {
2514                                 if(horizontal) {
2515                                         data->dragstartx= mx;
2516                                         data->draglastx= mx;
2517                                 }
2518                                 else {
2519                                         data->dragstartx= my;
2520                                         data->draglastx= my;
2521                                 }
2522                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2523                                 retval= WM_UI_HANDLER_BREAK;
2524                         }
2525                         else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS)
2526                                 click= 1;
2527                 }
2528         }
2529         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2530                 if(event->type == ESCKEY) {
2531                         data->cancel= 1;
2532                         data->escapecancel= 1;
2533                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2534                 }
2535                 else if(event->type == LEFTMOUSE && event->val!=KM_PRESS) {
2536                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2537                 }
2538                 else if(event->type == MOUSEMOVE) {
2539                         if(ui_numedit_but_SLI(but, data, 0, 0, (horizontal)? mx: my))
2540                                 ui_numedit_apply(C, block, but, data);
2541                 }
2542
2543                 retval= WM_UI_HANDLER_BREAK;
2544         }
2545
2546         return retval;
2547 }
2548
2549 static int ui_do_but_BLOCK(bContext *C, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2550 {
2551
2552         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2553                 if(ELEM3(event->type, LEFTMOUSE, PADENTER, RETKEY) && event->val==KM_PRESS) {
2554                         button_activate_state(C, but, BUTTON_STATE_MENU_OPEN);
2555                         return WM_UI_HANDLER_BREAK;
2556                 }
2557                 else if(ELEM3(but->type, MENU, ICONROW, ICONTEXTROW)) {
2558
2559                         if(event->type == WHEELDOWNMOUSE && event->alt) {
2560                                 data->value= ui_step_name_menu(but, -1);
2561                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2562                                 ui_apply_button(C, but->block, but, data, 1);
2563                                 return WM_UI_HANDLER_BREAK;
2564                         }
2565                         else if(event->type == WHEELUPMOUSE && event->alt) {
2566                                 data->value= ui_step_name_menu(but, 1);
2567                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2568                                 ui_apply_button(C, but->block, but, data, 1);
2569                                 return WM_UI_HANDLER_BREAK;
2570                         }
2571                 }
2572                 else if(but->type==COL) {
2573                         if( ELEM(event->type, WHEELDOWNMOUSE, WHEELUPMOUSE) && event->alt) {
2574                                 float col[3];
2575
2576                                 ui_get_but_vectorf(but, col);
2577                                 rgb_to_hsv(col[0], col[1], col[2], but->hsv, but->hsv+1, but->hsv+2);
2578
2579                                 if(event->type==WHEELDOWNMOUSE)
2580                                         but->hsv[2]= CLAMPIS(but->hsv[2]-0.05f, 0.0f, 1.0f);
2581                                 else
2582                                         but->hsv[2]= CLAMPIS(but->hsv[2]+0.05f, 0.0f, 1.0f);
2583
2584                                 hsv_to_rgb(but->hsv[0], but->hsv[1], but->hsv[2], data->vec, data->vec+1, data->vec+2);
2585                                 ui_set_but_vectorf(but, data->vec);
2586
2587                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2588                                 ui_apply_button(C, but->block, but, data, 1);
2589                                 return WM_UI_HANDLER_BREAK;
2590                         }
2591                 }
2592         }
2593
2594         return WM_UI_HANDLER_CONTINUE;
2595 }
2596
2597 static int ui_numedit_but_NORMAL(uiBut *but, uiHandleButtonData *data, int mx, int my)
2598 {
2599         float dx, dy, rad, radsq, mrad, *fp;
2600         int mdx, mdy, changed= 1;
2601
2602         /* button is presumed square */
2603         /* if mouse moves outside of sphere, it does negative normal */
2604
2605         fp= data->origvec;
2606         rad= (but->x2 - but->x1);
2607         radsq= rad*rad;
2608
2609         if(fp[2]>0.0f) {
2610                 mdx= (rad*fp[0]);
2611                 mdy= (rad*fp[1]);
2612         }
2613         else if(fp[2]> -1.0f) {
2614                 mrad= rad/sqrt(fp[0]*fp[0] + fp[1]*fp[1]);
2615
2616                 mdx= 2.0f*mrad*fp[0] - (rad*fp[0]);
2617                 mdy= 2.0f*mrad*fp[1] - (rad*fp[1]);
2618         }
2619         else mdx= mdy= 0;
2620
2621         dx= (float)(mx+mdx-data->dragstartx);
2622         dy= (float)(my+mdy-data->dragstarty);
2623
2624         fp= data->vec;
2625         mrad= dx*dx+dy*dy;
2626         if(mrad < radsq) {      /* inner circle */
2627                 fp[0]= dx;
2628                 fp[1]= dy;
2629                 fp[2]= sqrt( radsq-dx*dx-dy*dy );
2630         }
2631         else {  /* outer circle */
2632
2633                 mrad= rad/sqrt(mrad);   // veclen
2634
2635                 dx*= (2.0f*mrad - 1.0f);
2636                 dy*= (2.0f*mrad - 1.0f);
2637
2638                 mrad= dx*dx+dy*dy;
2639                 if(mrad < radsq) {
2640                         fp[0]= dx;
2641                         fp[1]= dy;
2642                         fp[2]= -sqrt( radsq-dx*dx-dy*dy );
2643                 }
2644         }
2645         normalize_v3(fp);
2646
2647         data->draglastx= mx;
2648         data->draglasty= my;
2649
2650         return changed;
2651 }
2652
2653 static int ui_do_but_NORMAL(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2654 {
2655         int mx, my;
2656
2657         mx= event->x;
2658         my= event->y;
2659         ui_window_to_block(data->region, block, &mx, &my);
2660
2661         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2662                 if(event->type==LEFTMOUSE && event->val==KM_PRESS) {
2663                         data->dragstartx= mx;
2664                         data->dragstarty= my;
2665                         data->draglastx= mx;
2666                         data->draglasty= my;
2667                         button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2668
2669                         /* also do drag the first time */
2670                         if(ui_numedit_but_NORMAL(but, data, mx, my))
2671                                 ui_numedit_apply(C, block, but, data);
2672
2673                         return WM_UI_HANDLER_BREAK;
2674                 }
2675         }
2676         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2677                 if(event->type == MOUSEMOVE) {
2678                         if(mx!=data->draglastx || my!=data->draglasty) {
2679                                 if(ui_numedit_but_NORMAL(but, data, mx, my))
2680                                         ui_numedit_apply(C, block, but, data);
2681                         }
2682                 }
2683                 else if(event->type==LEFTMOUSE && event->val!=KM_PRESS)
2684                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2685
2686                 return WM_UI_HANDLER_BREAK;
2687         }
2688
2689         return WM_UI_HANDLER_CONTINUE;
2690 }
2691
2692 static int ui_numedit_but_HSVCUBE(uiBut *but, uiHandleButtonData *data, int mx, int my)
2693 {
2694         float rgb[3], hsv[3];
2695         float x, y;
2696         int changed= 1;
2697         int color_profile = but->block->color_profile;
2698
2699         if (but->rnaprop) {
2700                 if (RNA_property_subtype(but->rnaprop) == PROP_COLOR_GAMMA)
2701                         color_profile = BLI_PR_NONE;
2702         }
2703
2704         ui_get_but_vectorf(but, rgb);
2705         rgb_to_hsv(rgb[0], rgb[1], rgb[2], hsv, hsv+1, hsv+2);
2706
2707         /* relative position within box */
2708         x= ((float)mx-but->x1)/(but->x2-but->x1);
2709         y= ((float)my-but->y1)/(but->y2-but->y1);
2710         CLAMP(x, 0.0, 1.0);
2711         CLAMP(y, 0.0, 1.0);
2712
2713         if(but->a1==0) {
2714                 hsv[0]= x;
2715                 hsv[2]= y;
2716         }
2717         else if(but->a1==1) {
2718                 hsv[0]= x;
2719                 hsv[1]= y;
2720         }
2721         else if(but->a1==2) {
2722                 hsv[2]= x;
2723                 hsv[1]= y;
2724         }
2725         else if(but->a1==3) {
2726                 hsv[0]= x;
2727         }
2728         else {
2729                 /* vertical 'value' strip */
2730                 hsv[2]= y;
2731                 if (color_profile)
2732                         hsv[2] = srgb_to_linearrgb(hsv[2]);
2733         }
2734
2735         hsv_to_rgb(hsv[0], hsv[1], hsv[2], rgb, rgb+1, rgb+2);
2736         ui_set_but_vectorf(but, rgb);
2737
2738         data->draglastx= mx;
2739         data->draglasty= my;
2740
2741         return changed;
2742 }
2743
2744 static int ui_do_but_HSVCUBE(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2745 {
2746         int mx, my;
2747
2748         mx= event->x;
2749         my= event->y;
2750         ui_window_to_block(data->region, block, &mx, &my);
2751
2752         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2753                 if(event->type==LEFTMOUSE && event->val==KM_PRESS) {
2754                         data->dragstartx= mx;
2755                         data->dragstarty= my;
2756                         data->draglastx= mx;
2757                         data->draglasty= my;
2758                         button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2759
2760                         /* also do drag the first time */
2761                         if(ui_numedit_but_HSVCUBE(but, data, mx, my))
2762                                 ui_numedit_apply(C, block, but, data);
2763
2764                         return WM_UI_HANDLER_BREAK;
2765                 }
2766         }
2767         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2768                 if(event->type == ESCKEY) {
2769                         data->cancel= 1;
2770                         data->escapecancel= 1;
2771                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2772                 }
2773                 else if(event->type == MOUSEMOVE) {
2774                         if(mx!=data->draglastx || my!=data->draglasty) {
2775                                 if(ui_numedit_but_HSVCUBE(but, data, mx, my))
2776                                         ui_numedit_apply(C, block, but, data);
2777                         }
2778                 }
2779                 else if(event->type==LEFTMOUSE && event->val!=KM_PRESS)
2780                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2781
2782                 return WM_UI_HANDLER_BREAK;
2783         }
2784
2785         return WM_UI_HANDLER_CONTINUE;
2786 }
2787
2788 static int ui_numedit_but_HSVCIRCLE(uiBut *but, uiHandleButtonData *data, int mx, int my)
2789 {
2790         rcti rect;
2791         int changed= 1;
2792         float rgb[3], hsv[3];
2793
2794         rect.xmin= but->x1; rect.xmax= but->x2;
2795         rect.ymin= but->y1; rect.ymax= but->y2;
2796
2797         ui_get_but_vectorf(but, rgb);
2798         rgb_to_hsv(rgb[0], rgb[1], rgb[2], hsv, hsv+1, hsv+2);
2799
2800         ui_hsvcircle_vals_from_pos(hsv, hsv+1, &rect, (float)mx, (float)my);
2801
2802         hsv_to_rgb(hsv[0], hsv[1], hsv[2], rgb, rgb+1, rgb+2);
2803         ui_set_but_vectorf(but, rgb);
2804
2805         data->draglastx= mx;
2806         data->draglasty= my;
2807
2808         return changed;
2809 }
2810
2811
2812 static int ui_do_but_HSVCIRCLE(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2813 {
2814         int mx, my;
2815
2816         mx= event->x;
2817         my= event->y;
2818         ui_window_to_block(data->region, block, &mx, &my);
2819
2820         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2821                 if(event->type==LEFTMOUSE && event->val==KM_PRESS) {
2822                         data->dragstartx= mx;
2823                         data->dragstarty= my;
2824                         data->draglastx= mx;
2825                         data->draglasty= my;
2826                         button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2827
2828                         /* also do drag the first time */
2829                         if(ui_numedit_but_HSVCIRCLE(but, data, mx, my))
2830                                 ui_numedit_apply(C, block, but, data);
2831
2832                         return WM_UI_HANDLER_BREAK;
2833                 }
2834         }
2835         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2836                 if(event->type == ESCKEY) {
2837                         data->cancel= 1;
2838                         data->escapecancel= 1;
2839                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2840                 }
2841                 /* XXX hardcoded keymap check.... */
2842                 else if(event->type == WHEELDOWNMOUSE) {
2843                         but->hsv[2]= CLAMPIS(but->hsv[2]-0.05f, 0.0f, 1.0f);
2844                         ui_set_but_hsv(but);    // converts to rgb
2845                         ui_numedit_apply(C, block, but, data);
2846                 }
2847                 else if(event->type == WHEELUPMOUSE) {
2848                         but->hsv[2]= CLAMPIS(but->hsv[2]+0.05f, 0.0f, 1.0f);
2849                         ui_set_but_hsv(but);    // converts to rgb
2850                         ui_numedit_apply(C, block, but, data);
2851                 }
2852                 else if(event->type == MOUSEMOVE) {
2853                         if(mx!=data->draglastx || my!=data->draglasty) {
2854                                 if(ui_numedit_but_HSVCIRCLE(but, data, mx, my))
2855                                         ui_numedit_apply(C, block, but, data);
2856                         }
2857                 }
2858                 else if(event->type==LEFTMOUSE && event->val!=KM_PRESS) {
2859                         button_activate_state(C, but, BUTTON_STATE_EXIT);
2860                 }
2861                 return WM_UI_HANDLER_BREAK;
2862         }
2863
2864         return WM_UI_HANDLER_CONTINUE;
2865 }
2866
2867
2868 static int verg_colorband(const void *a1, const void *a2)
2869 {
2870         const CBData *x1=a1, *x2=a2;
2871
2872         if( x1->pos > x2->pos ) return 1;
2873         else if( x1->pos < x2->pos) return -1;
2874         return WM_UI_HANDLER_CONTINUE;
2875 }
2876
2877 static void ui_colorband_update(ColorBand *coba)
2878 {
2879         int a;
2880
2881         if(coba->tot<2) return;
2882
2883         for(a=0; a<coba->tot; a++) coba->data[a].cur= a;
2884                 qsort(coba->data, coba->tot, sizeof(CBData), verg_colorband);
2885         for(a=0; a<coba->tot; a++) {
2886                 if(coba->data[a].cur==coba->cur) {
2887                         coba->cur= a;
2888                         break;
2889                 }
2890         }
2891 }
2892
2893 static int ui_numedit_but_COLORBAND(uiBut *but, uiHandleButtonData *data, int mx)
2894 {
2895         float dx;
2896         int changed= 0;
2897
2898         if(data->draglastx == mx)
2899                 return changed;
2900
2901         dx= ((float)(mx - data->draglastx))/(but->x2-but->x1);
2902         data->dragcbd->pos += dx;
2903         CLAMP(data->dragcbd->pos, 0.0, 1.0);
2904
2905         ui_colorband_update(data->coba);
2906         data->dragcbd= data->coba->data + data->coba->cur;      /* because qsort */
2907
2908         data->draglastx= mx;
2909         changed= 1;
2910
2911         return changed;
2912 }
2913
2914 static int ui_do_but_COLORBAND(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
2915 {
2916         ColorBand *coba;
2917         CBData *cbd;
2918         int mx, my, a, xco, mindist= 12;
2919
2920         mx= event->x;
2921         my= event->y;
2922         ui_window_to_block(data->region, block, &mx, &my);
2923
2924         if(data->state == BUTTON_STATE_HIGHLIGHT) {
2925                 if(event->type==LEFTMOUSE && event->val==KM_PRESS) {
2926                         coba= (ColorBand*)but->poin;
2927
2928                         if(event->ctrl) {
2929                                 /* insert new key on mouse location */
2930                                 if(coba->tot < MAXCOLORBAND-1) {
2931                                         float pos= ((float)(mx - but->x1))/(but->x2-but->x1);
2932                                         float col[4];
2933
2934                                         do_colorband(coba, pos, col);   /* executes it */
2935
2936                                         coba->tot++;
2937                                         coba->cur= coba->tot-1;
2938
2939                                         coba->data[coba->cur].r= col[0];
2940                                         coba->data[coba->cur].g= col[1];
2941                                         coba->data[coba->cur].b= col[2];
2942                                         coba->data[coba->cur].a= col[3];
2943                                         coba->data[coba->cur].pos= pos;
2944
2945                                         ui_colorband_update(coba);
2946                                 }
2947
2948                                 button_activate_state(C, but, BUTTON_STATE_EXIT);
2949                         }
2950                         else {
2951                                 data->dragstartx= mx;
2952                                 data->dragstarty= my;
2953                                 data->draglastx= mx;
2954                                 data->draglasty= my;
2955
2956                                 /* activate new key when mouse is close */
2957                                 for(a=0, cbd= coba->data; a<coba->tot; a++, cbd++) {
2958                                         xco= but->x1 + (cbd->pos*(but->x2-but->x1));
2959                                         xco= ABS(xco-mx);
2960                                         if(a==coba->cur) xco+= 5; // selected one disadvantage
2961                                         if(xco<mindist) {
2962                                                 coba->cur= a;
2963                                                 mindist= xco;
2964                                         }
2965                                 }
2966
2967                                 data->dragcbd= coba->data + coba->cur;
2968                                 button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
2969                         }
2970
2971                         return WM_UI_HANDLER_BREAK;
2972                 }
2973         }
2974         else if(data->state == BUTTON_STATE_NUM_EDITING) {
2975                 if(event->type == MOUSEMOVE) {
2976                         if(mx!=data->draglastx || my!=data->draglasty) {
2977                                 if(ui_numedit_but_COLORBAND(but, data, mx))
2978                                         ui_numedit_apply(C, block, but, data);
2979                         }
2980                 }
2981                 else if(event->type==LEFTMOUSE && event->val!=KM_PRESS)