WINGs/wtextfield.c

   1
   2
   3
   4
   5 #include "WINGsP.h"
   6 #include "wconfig.h"
   7
   8 #include <X11/keysym.h>
   9 #include <X11/Xatom.h>
  10
  11 #include <ctype.h>
  12
  13 #define CURSOR_BLINK_ON_DELAY   600
  14 #define CURSOR_BLINK_OFF_DELAY  300
  15
  16
  17
  18 char *WMTextDidChangeNotification = "WMTextDidChangeNotification";
  19 char *WMTextDidBeginEditingNotification = "WMTextDidBeginEditingNotification";
  20 char *WMTextDidEndEditingNotification = "WMTextDidEndEditingNotification";
  21
  22
  23 typedef struct W_TextField {
  24     W_Class widgetClass;
  25     W_View *view;
  26
  27 #if 0
  28     struct W_TextField *nextField;     /* next textfield in the chain */
  29     struct W_TextField *prevField;
  30 #endif
  31
  32     char *text;
  33     int textLen;                       /* size of text */
  34     int bufferSize;                    /* memory allocated for text */
  35
  36     int viewPosition;                  /* position of text being shown */
  37
  38     int cursorPosition;                /* position of the insertion cursor */
  39
  40     short usableWidth;
  41     short offsetWidth;                 /* offset of text from border */
  42
  43     WMRange selection;
  44
  45     WMFont *font;
  46
  47     WMTextFieldDelegate *delegate;
  48
  49 #if 0
  50     WMHandlerID timerID;               /* for cursor blinking */
  51 #endif
  52     struct {
  53         WMAlignment alignment:2;
  54
  55         unsigned int bordered:1;
  56
  57         unsigned int beveled:1;
  58
  59         unsigned int enabled:1;
  60
  61         unsigned int focused:1;
  62
  63         unsigned int cursorOn:1;
  64
  65         unsigned int secure:1;         /* password entry style */
  66
  67         unsigned int pointerGrabbed:1;
  68
  69         unsigned int ownsSelection:1;
  70
  71         unsigned int waitingSelection:1; /* requested selection, but
  72                                           * didnt get yet */
  73
  74         /**/
  75         unsigned int notIllegalMovement:1;
  76     } flags;
  77 } TextField;
  78
  79
  80 #define NOTIFY(T,C,N,A) { WMNotification *notif = WMCreateNotification(N,T,A);\
  81                         if ((T)->delegate && (T)->delegate->C)\
  82                                 (*(T)->delegate->C)((T)->delegate,notif);\
  83                         WMPostNotification(notif);\
  84                         WMReleaseNotification(notif);}
  85
  86
  87 #define MIN_TEXT_BUFFER         2
  88 #define TEXT_BUFFER_INCR        8
  89
  90
  91 #define WM_EMACSKEYMASK   ControlMask
  92
  93 #define WM_EMACSKEY_LEFT  XK_b
  94 #define WM_EMACSKEY_RIGHT XK_f
  95 #define WM_EMACSKEY_HOME  XK_a
  96 #define WM_EMACSKEY_END   XK_e
  97 #define WM_EMACSKEY_BS    XK_h
  98 #define WM_EMACSKEY_DEL   XK_d
  99
 100
 101
 102 #define DEFAULT_WIDTH           60
 103 #define DEFAULT_HEIGHT          20
 104 #define DEFAULT_BORDERED        True
 105 #define DEFAULT_ALIGNMENT       WALeft
 106
 107
 108
 109 static void destroyTextField(TextField *tPtr);
 110 static void paintTextField(TextField *tPtr);
 111
 112 static void handleEvents(XEvent *event, void *data);
 113 static void handleTextFieldActionEvents(XEvent *event, void *data);
 114 static void didResizeTextField();
 115
 116 struct W_ViewDelegate _TextFieldViewDelegate = {
 117     NULL,
 118     NULL,
 119     didResizeTextField,
 120     NULL,
 121     NULL
 122 };
 123
 124
 125
 126 static void lostSelection(WMView *view, Atom selection, void *cdata);
 127
 128 static WMData *requestHandler(WMView *view, Atom selection, Atom target,
 129                               void *cdata, Atom *type);
 130
 131
 132 static WMSelectionProcs selectionHandler = {
 133     requestHandler,
 134     lostSelection,
 135     NULL
 136 };
 137
 138
 139 #define TEXT_WIDTH(tPtr, start) (WMWidthOfString((tPtr)->font, \
 140                    &((tPtr)->text[(start)]), (tPtr)->textLen - (start) + 1))
 141
 142 #define TEXT_WIDTH2(tPtr, start, end) (WMWidthOfString((tPtr)->font, \
 143                    &((tPtr)->text[(start)]), (end) - (start) + 1))
 144
 145
 146 static void
 147 normalizeRange(TextField *tPtr, WMRange *range)
 148 {
 149     if (range->position < 0 && range->count < 0)
 150         range->count = 0;
 151
 152     if (range->count == 0) {
 153         /*range->position = 0; why is this?*/
 154         return;
 155     }
 156
 157     /* (1,-2) ~> (0,1) ; (1,-1) ~> (0,1) ; (2,-1) ~> (1,1) */
 158     if (range->count < 0) { /* && range->position >= 0 */
 159         if (range->position + range->count < 0) {
 160             range->count = range->position;
 161             range->position = 0;
 162         } else {
 163             range->count = -range->count;
 164             range->position -= range->count;
 165         }
 166     /* (-2,1) ~> (0,0) ; (-1,1) ~> (0,0) ; (-1,2) ~> (0,1) */
 167     } else if (range->position < 0) { /* && range->count > 0 */
 168         if (range->position + range->count < 0) {
 169             range->position = range->count = 0;
 170         } else {
 171             range->count += range->position;
 172             range->position = 0;
 173         }
 174     }
 175
 176     if (range->position + range->count > tPtr->textLen)
 177         range->count = tPtr->textLen - range->position;
 178 }
 179
 180 static void
 181 memmv(char *dest, char *src, int size)
 182 {
 183     int i;
 184
 185     if (dest > src) {
 186         for (i=size-1; i>=0; i--) {
 187             dest[i] = src[i];
 188         }
 189     } else if (dest < src) {
 190         for (i=0; i<size; i++) {
 191             dest[i] = src[i];
 192         }
 193     }
 194 }
 195
 196
 197 static int
 198 incrToFit(TextField *tPtr)
 199 {
 200     int vp = tPtr->viewPosition;
 201
 202     while (TEXT_WIDTH(tPtr, tPtr->viewPosition) > tPtr->usableWidth) {
 203         tPtr->viewPosition++;
 204     }
 205     return vp!=tPtr->viewPosition;
 206 }
 207
 208
 209 static int
 210 incrToFit2(TextField *tPtr)
 211 {
 212     int vp = tPtr->viewPosition;
 213     while (TEXT_WIDTH2(tPtr, tPtr->viewPosition, tPtr->cursorPosition)
 214            >= tPtr->usableWidth)
 215         tPtr->viewPosition++;
 216
 217
 218     return vp!=tPtr->viewPosition;
 219 }
 220
 221
 222 static void
 223 decrToFit(TextField *tPtr)
 224 {
 225     while (TEXT_WIDTH(tPtr, tPtr->viewPosition-1) < tPtr->usableWidth
 226            && tPtr->viewPosition>0)
 227         tPtr->viewPosition--;
 228 }
 229
 230 #undef TEXT_WIDTH
 231 #undef TEXT_WIDTH2
 232
 233
 234
 235 static WMData*
 236 requestHandler(WMView *view, Atom selection, Atom target, void *cdata,
 237                Atom *type)
 238 {
 239     TextField *tPtr = view->self;
 240     int count;
 241     Display *dpy = tPtr->view->screen->display;
 242     Atom _TARGETS;
 243     Atom TEXT = XInternAtom(dpy, "TEXT", False);
 244     Atom COMPOUND_TEXT = XInternAtom(dpy, "COMPOUND_TEXT", False);
 245     WMData *data;
 246
 247     count = tPtr->selection.count < 0
 248         ? tPtr->selection.position + tPtr->selection.count
 249         : tPtr->selection.position;
 250
 251     if (target == XA_STRING || target == TEXT || target == COMPOUND_TEXT) {
 252
 253         data = WMCreateDataWithBytes(&(tPtr->text[count]),
 254                                       abs(tPtr->selection.count));
 255         WMSetDataFormat(data, 8);
 256         *type = target;
 257
 258         return data;
 259     }
 260
 261     _TARGETS = XInternAtom(dpy, "TARGETS", False);
 262     if (target == _TARGETS) {
 263         Atom *ptr;
 264
 265         ptr = wmalloc(4 * sizeof(Atom));
 266         ptr[0] = _TARGETS;
 267         ptr[1] = XA_STRING;
 268         ptr[2] = TEXT;
 269         ptr[3] = COMPOUND_TEXT;
 270
 271         data = WMCreateDataWithBytes(ptr, 4*4);
 272         WMSetDataFormat(data, 32);
 273
 274         *type = target;
 275         return data;
 276     }
 277
 278     return NULL;
 279
 280 }
 281
 282
 283 static void
 284 lostSelection(WMView *view, Atom selection, void *cdata)
 285 {
 286     TextField *tPtr = (WMTextField*)view->self;
 287
 288     if (tPtr->flags.ownsSelection) {
 289         WMDeleteSelectionHandler(view, selection, CurrentTime);
 290         tPtr->flags.ownsSelection = 0;
 291     }
 292     if (tPtr->selection.count != 0) {
 293         tPtr->selection.count = 0;
 294         paintTextField(tPtr);
 295     }
 296 }
 297
 298
 299 static void
 300 selectionNotification(void *observerData, WMNotification *notification)
 301 {
 302     WMView *observerView = (WMView*)observerData;
 303     WMView *newOwnerView = (WMView*)WMGetNotificationClientData(notification);
 304
 305     if (observerView != newOwnerView) {
 306         //if (tPtr->flags.ownsSelection)
 307         //    WMDeleteSelectionHandler(observerView, XA_PRIMARY, CurrentTime);
 308         lostSelection(observerView, XA_PRIMARY, NULL);
 309     }
 310 }
 311
 312
 313 WMTextField*
 314 WMCreateTextField(WMWidget *parent)
 315 {
 316     TextField *tPtr;
 317
 318     tPtr = wmalloc(sizeof(TextField));
 319     memset(tPtr, 0, sizeof(TextField));
 320
 321     tPtr->widgetClass = WC_TextField;
 322
 323     tPtr->view = W_CreateView(W_VIEW(parent));
 324     if (!tPtr->view) {
 325         wfree(tPtr);
 326         return NULL;
 327     }
 328     tPtr->view->self = tPtr;
 329
 330     tPtr->view->delegate = &_TextFieldViewDelegate;
 331
 332     tPtr->view->attribFlags |= CWCursor;
 333     tPtr->view->attribs.cursor = tPtr->view->screen->textCursor;
 334
 335     W_SetViewBackgroundColor(tPtr->view, tPtr->view->screen->white);
 336
 337     tPtr->text = wmalloc(MIN_TEXT_BUFFER);
 338     tPtr->text[0] = 0;
 339     tPtr->textLen = 0;
 340     tPtr->bufferSize = MIN_TEXT_BUFFER;
 341
 342     tPtr->flags.enabled = 1;
 343
 344     WMCreateEventHandler(tPtr->view, ExposureMask|StructureNotifyMask
 345                          |FocusChangeMask, handleEvents, tPtr);
 346
 347     tPtr->font = WMRetainFont(tPtr->view->screen->normalFont);
 348
 349     tPtr->flags.bordered = DEFAULT_BORDERED;
 350     tPtr->flags.beveled = True;
 351     tPtr->flags.alignment = DEFAULT_ALIGNMENT;
 352     tPtr->offsetWidth =
 353         WMAX((tPtr->view->size.height - WMFontHeight(tPtr->font))/2, 1);
 354
 355     W_ResizeView(tPtr->view, DEFAULT_WIDTH, DEFAULT_HEIGHT);
 356
 357     WMCreateEventHandler(tPtr->view, EnterWindowMask|LeaveWindowMask
 358                          |ButtonReleaseMask|ButtonPressMask|KeyPressMask|Button1MotionMask,
 359                          handleTextFieldActionEvents, tPtr);
 360
 361     WMAddNotificationObserver(selectionNotification, tPtr->view,
 362                               WMSelectionOwnerDidChangeNotification,
 363                               (void*)XA_PRIMARY);
 364
 365
 366     tPtr->flags.cursorOn = 1;
 367
 368     return tPtr;
 369 }
 370
 371
 372 void
 373 WMSetTextFieldDelegate(WMTextField *tPtr, WMTextFieldDelegate *delegate)
 374 {
 375     CHECK_CLASS(tPtr, WC_TextField);
 376
 377     tPtr->delegate = delegate;
 378 }
 379
 380
 381 void
 382 WMInsertTextFieldText(WMTextField *tPtr, char *text, int position)
 383 {
 384     int len;
 385
 386     CHECK_CLASS(tPtr, WC_TextField);
 387
 388     if (!text)
 389         return;
 390
 391     len = strlen(text);
 392
 393     /* check if buffer will hold the text */
 394     if (len + tPtr->textLen >= tPtr->bufferSize) {
 395         tPtr->bufferSize = tPtr->textLen + len + TEXT_BUFFER_INCR;
 396         tPtr->text = wrealloc(tPtr->text, tPtr->bufferSize);
 397     }
 398
 399     if (position < 0 || position >= tPtr->textLen) {
 400         /* append the text at the end */
 401         strcat(tPtr->text, text);
 402
 403         incrToFit(tPtr);
 404
 405         tPtr->textLen += len;
 406         tPtr->cursorPosition += len;
 407     } else {
 408         /* insert text at position */
 409         memmv(&(tPtr->text[position+len]), &(tPtr->text[position]),
 410                 tPtr->textLen-position+1);
 411
 412         memcpy(&(tPtr->text[position]), text, len);
 413
 414         tPtr->textLen += len;
 415         if (position >= tPtr->cursorPosition) {
 416             tPtr->cursorPosition += len;
 417             incrToFit2(tPtr);
 418         } else {
 419             incrToFit(tPtr);
 420         }
 421     }
 422
 423     paintTextField(tPtr);
 424 }
 425
 426 void
 427 WMDeleteTextFieldRange(WMTextField *tPtr, WMRange range)
 428 {
 429     CHECK_CLASS(tPtr, WC_TextField);
 430
 431     normalizeRange(tPtr, &range);
 432
 433     if (!range.count)
 434         return;
 435
 436     memmv(&(tPtr->text[range.position]), &(tPtr->text[range.position+range.count]),
 437             tPtr->textLen - (range.position+range.count) + 1);
 438
 439     tPtr->textLen -= range.count;
 440
 441     /* try to keep cursorPosition at the same place */
 442     tPtr->viewPosition -= range.count;
 443     if (tPtr->viewPosition < 0)
 444         tPtr->viewPosition = 0;
 445     tPtr->cursorPosition = range.position;
 446
 447     decrToFit(tPtr);
 448
 449     paintTextField(tPtr);
 450 }
 451
 452
 453
 454 char*
 455 WMGetTextFieldText(WMTextField *tPtr)
 456 {
 457     CHECK_CLASS(tPtr, WC_TextField);
 458
 459     return wstrdup(tPtr->text);
 460 }
 461
 462
 463 void
 464 WMSetTextFieldText(WMTextField *tPtr, char *text)
 465 {
 466     CHECK_CLASS(tPtr, WC_TextField);
 467
 468     if ((text && strcmp(tPtr->text, text) == 0) ||
 469         (!text && tPtr->textLen == 0))
 470         return;
 471
 472     if (text==NULL) {
 473         tPtr->text[0] = 0;
 474         tPtr->textLen = 0;
 475     } else {
 476         tPtr->textLen = strlen(text);
 477
 478         if (tPtr->textLen >= tPtr->bufferSize) {
 479             tPtr->bufferSize = tPtr->textLen + TEXT_BUFFER_INCR;
 480             tPtr->text = wrealloc(tPtr->text, tPtr->bufferSize);
 481         }
 482         strcpy(tPtr->text, text);
 483     }
 484
 485     tPtr->cursorPosition = tPtr->selection.position = tPtr->textLen;
 486     tPtr->viewPosition = 0;
 487     tPtr->selection.count = 0;
 488
 489     if (tPtr->view->flags.realized)
 490         paintTextField(tPtr);
 491 }
 492
 493
 494 void
 495 WMSetTextFieldAlignment(WMTextField *tPtr, WMAlignment alignment)
 496 {
 497     CHECK_CLASS(tPtr, WC_TextField);
 498
 499     tPtr->flags.alignment = alignment;
 500
 501     if (alignment!=WALeft) {
 502         wwarning("only left alignment is supported in textfields");
 503         return;
 504     }
 505
 506     if (tPtr->view->flags.realized) {
 507         paintTextField(tPtr);
 508     }
 509 }
 510
 511
 512 void
 513 WMSetTextFieldBordered(WMTextField *tPtr, Bool bordered)
 514 {
 515     CHECK_CLASS(tPtr, WC_TextField);
 516
 517     tPtr->flags.bordered = bordered;
 518
 519     if (tPtr->view->flags.realized) {
 520         paintTextField(tPtr);
 521     }
 522 }
 523
 524
 525 void
 526 WMSetTextFieldBeveled(WMTextField *tPtr, Bool flag)
 527 {
 528     CHECK_CLASS(tPtr, WC_TextField);
 529
 530     tPtr->flags.beveled = flag;
 531
 532     if (tPtr->view->flags.realized) {
 533         paintTextField(tPtr);
 534     }
 535 }
 536
 537
 538
 539 void
 540 WMSetTextFieldSecure(WMTextField *tPtr, Bool flag)
 541 {
 542     CHECK_CLASS(tPtr, WC_TextField);
 543
 544     tPtr->flags.secure = flag;
 545
 546     if (tPtr->view->flags.realized) {
 547         paintTextField(tPtr);
 548     }
 549 }
 550
 551
 552 Bool
 553 WMGetTextFieldEditable(WMTextField *tPtr)
 554 {
 555     CHECK_CLASS(tPtr, WC_TextField);
 556
 557     return tPtr->flags.enabled;
 558 }
 559
 560
 561 void
 562 WMSetTextFieldEditable(WMTextField *tPtr, Bool flag)
 563 {
 564     CHECK_CLASS(tPtr, WC_TextField);
 565
 566     tPtr->flags.enabled = flag;
 567
 568     if (tPtr->view->flags.realized) {
 569         paintTextField(tPtr);
 570     }
 571 }
 572
 573
 574 void
 575 WMSelectTextFieldRange(WMTextField *tPtr, WMRange range)
 576 {
 577     CHECK_CLASS(tPtr, WC_TextField);
 578
 579     if (tPtr->flags.enabled) {
 580         normalizeRange(tPtr, &range);
 581
 582         tPtr->selection = range;
 583
 584         tPtr->cursorPosition = range.position + range.count;
 585
 586         if (tPtr->view->flags.realized) {
 587             paintTextField(tPtr);
 588         }
 589     }
 590 }
 591
 592
 593 void
 594 WMSetTextFieldCursorPosition(WMTextField *tPtr, unsigned int position)
 595 {
 596     CHECK_CLASS(tPtr, WC_TextField);
 597
 598     if (tPtr->flags.enabled) {
 599         if (position > tPtr->textLen)
 600             position = tPtr->textLen;
 601
 602         tPtr->cursorPosition = position;
 603         if (tPtr->view->flags.realized) {
 604             paintTextField(tPtr);
 605         }
 606     }
 607 }
 608
 609
 610 void
 611 WMSetTextFieldNextTextField(WMTextField *tPtr, WMTextField *next)
 612 {
 613     CHECK_CLASS(tPtr, WC_TextField);
 614     if (next == NULL) {
 615         if (tPtr->view->nextFocusChain)
 616             tPtr->view->nextFocusChain->prevFocusChain = NULL;
 617         tPtr->view->nextFocusChain = NULL;
 618         return;
 619     }
 620
 621     CHECK_CLASS(next, WC_TextField);
 622
 623     if (tPtr->view->nextFocusChain)
 624         tPtr->view->nextFocusChain->prevFocusChain = NULL;
 625     if (next->view->prevFocusChain)
 626         next->view->prevFocusChain->nextFocusChain = NULL;
 627
 628     tPtr->view->nextFocusChain = next->view;
 629     next->view->prevFocusChain = tPtr->view;
 630 }
 631
 632
 633 void
 634 WMSetTextFieldPrevTextField(WMTextField *tPtr, WMTextField *prev)
 635 {
 636     CHECK_CLASS(tPtr, WC_TextField);
 637     if (prev == NULL) {
 638         if (tPtr->view->prevFocusChain)
 639             tPtr->view->prevFocusChain->nextFocusChain = NULL;
 640         tPtr->view->prevFocusChain = NULL;
 641         return;
 642     }
 643
 644     CHECK_CLASS(prev, WC_TextField);
 645
 646     if (tPtr->view->prevFocusChain)
 647         tPtr->view->prevFocusChain->nextFocusChain = NULL;
 648     if (prev->view->nextFocusChain)
 649         prev->view->nextFocusChain->prevFocusChain = NULL;
 650
 651     tPtr->view->prevFocusChain = prev->view;
 652     prev->view->nextFocusChain = tPtr->view;
 653 }
 654
 655
 656 void
 657 WMSetTextFieldFont(WMTextField *tPtr, WMFont *font)
 658 {
 659     CHECK_CLASS(tPtr, WC_TextField);
 660
 661     if (tPtr->font)
 662         WMReleaseFont(tPtr->font);
 663     tPtr->font = WMRetainFont(font);
 664
 665     tPtr->offsetWidth =
 666         WMAX((tPtr->view->size.height - WMFontHeight(tPtr->font))/2, 1);
 667
 668     if (tPtr->view->flags.realized) {
 669         paintTextField(tPtr);
 670     }
 671 }
 672
 673
 674
 675 WMFont*
 676 WMGetTextFieldFont(WMTextField *tPtr)
 677 {
 678     return tPtr->font;
 679 }
 680
 681
 682 static void
 683 didResizeTextField(W_ViewDelegate *self, WMView *view)
 684 {
 685     WMTextField *tPtr = (WMTextField*)view->self;
 686
 687     tPtr->offsetWidth =
 688         WMAX((tPtr->view->size.height - WMFontHeight(tPtr->font))/2, 1);
 689
 690     tPtr->usableWidth = tPtr->view->size.width - 2*tPtr->offsetWidth /*+ 2*/;
 691 }
 692
 693
 694 static char*
 695 makeHiddenString(int length)
 696 {
 697     char *data = wmalloc(length+1);
 698
 699     memset(data, '*', length);
 700     data[length] = '\0';
 701
 702     return data;
 703 }
 704
 705
 706 static void
 707 paintCursor(TextField *tPtr)
 708 {
 709     int cx;
 710     WMScreen *screen = tPtr->view->screen;
 711     int textWidth;
 712     char *text;
 713
 714     if (tPtr->flags.secure)
 715         text = makeHiddenString(strlen(tPtr->text));
 716     else
 717         text = tPtr->text;
 718
 719     cx = WMWidthOfString(tPtr->font, &(text[tPtr->viewPosition]),
 720                          tPtr->cursorPosition-tPtr->viewPosition);
 721
 722     switch (tPtr->flags.alignment) {
 723      case WARight:
 724         textWidth = WMWidthOfString(tPtr->font, text, tPtr->textLen);
 725         if (textWidth < tPtr->usableWidth)
 726             cx += tPtr->offsetWidth + tPtr->usableWidth - textWidth + 1;
 727         else
 728             cx += tPtr->offsetWidth + 1;
 729         break;
 730      case WALeft:
 731         cx += tPtr->offsetWidth + 1;
 732         break;
 733      case WAJustified:
 734         /* not supported */
 735      case WACenter:
 736         textWidth = WMWidthOfString(tPtr->font, text, tPtr->textLen);
 737         if (textWidth < tPtr->usableWidth)
 738             cx += tPtr->offsetWidth + (tPtr->usableWidth-textWidth)/2;
 739         else
 740             cx += tPtr->offsetWidth;
 741         break;
 742     }
 743     /*
 744     XDrawRectangle(screen->display, tPtr->view->window, screen->xorGC,
 745                    cx, tPtr->offsetWidth, 1,
 746                    tPtr->view->size.height - 2*tPtr->offsetWidth - 1);
 747         printf("%d %d\n",cx,tPtr->cursorPosition);
 748      */
 749     XDrawLine(screen->display, tPtr->view->window, screen->xorGC,
 750               cx, tPtr->offsetWidth, cx,
 751               tPtr->view->size.height - tPtr->offsetWidth - 1);
 752
 753     if (tPtr->flags.secure)
 754         wfree(text);
 755 }
 756
 757
 758
 759 static void
 760 drawRelief(WMView *view, Bool beveled)
 761 {
 762     WMScreen *scr = view->screen;
 763     Display *dpy = scr->display;
 764     GC wgc;
 765     GC lgc;
 766     GC dgc;
 767     int width = view->size.width;
 768     int height = view->size.height;
 769
 770     dgc = WMColorGC(scr->darkGray);
 771
 772     if (!beveled) {
 773         XDrawRectangle(dpy, view->window, dgc, 0, 0, width-1, height-1);
 774
 775         return;
 776     }
 777     wgc = WMColorGC(scr->white);
 778     lgc = WMColorGC(scr->gray);
 779
 780     /* top left */
 781     XDrawLine(dpy, view->window, dgc, 0, 0, width-1, 0);
 782     XDrawLine(dpy, view->window, dgc, 0, 1, width-2, 1);
 783
 784     XDrawLine(dpy, view->window, dgc, 0, 0, 0, height-2);
 785     XDrawLine(dpy, view->window, dgc, 1, 0, 1, height-3);
 786
 787     /* bottom right */
 788     XDrawLine(dpy, view->window, wgc, 0, height-1, width-1, height-1);
 789     XDrawLine(dpy, view->window, lgc, 1, height-2, width-2, height-2);
 790
 791     XDrawLine(dpy, view->window, wgc, width-1, 0, width-1, height-1);
 792     XDrawLine(dpy, view->window, lgc, width-2, 1, width-2, height-3);
 793 }
 794
 795
 796 static void
 797 paintTextField(TextField *tPtr)
 798 {
 799     W_Screen *screen = tPtr->view->screen;
 800     W_View *view = tPtr->view;
 801     W_View viewbuffer;
 802     int tx, ty, tw, th;
 803     int rx;
 804     int bd;
 805     int totalWidth;
 806     char *text;
 807     Pixmap drawbuffer;
 808
 809
 810     if (!view->flags.realized || !view->flags.mapped)
 811         return;
 812
 813     if (!tPtr->flags.bordered) {
 814         bd = 0;
 815     } else {
 816         bd = 2;
 817     }
 818
 819     if (tPtr->flags.secure) {
 820         text = makeHiddenString(strlen(tPtr->text));
 821     } else {
 822         text = tPtr->text;
 823     }
 824
 825     totalWidth = tPtr->view->size.width - 2*bd;
 826
 827     drawbuffer = XCreatePixmap(screen->display, view->window,
 828             view->size.width, view->size.height, screen->depth);
 829     XFillRectangle(screen->display, drawbuffer, WMColorGC(screen->white),
 830             0,0, view->size.width,view->size.height);
 831     /* this is quite dirty */
 832     viewbuffer.screen = view->screen;
 833     viewbuffer.size = view->size;
 834     viewbuffer.window = drawbuffer;
 835
 836
 837     if (tPtr->textLen > 0) {
 838         tw = WMWidthOfString(tPtr->font, &(text[tPtr->viewPosition]),
 839                              tPtr->textLen - tPtr->viewPosition);
 840
 841         th = WMFontHeight(tPtr->font);
 842
 843         ty = tPtr->offsetWidth;
 844         switch (tPtr->flags.alignment) {
 845          case WALeft:
 846             tx = tPtr->offsetWidth + 1;
 847             if (tw < tPtr->usableWidth)
 848                 XFillRectangle(screen->display, drawbuffer,
 849                                WMColorGC(screen->white),
 850                                bd+tw,bd, totalWidth-tw,view->size.height-2*bd);
 851             break;
 852
 853          case WACenter:
 854             tx = tPtr->offsetWidth + (tPtr->usableWidth - tw) / 2;
 855             if (tw < tPtr->usableWidth)
 856                 XClearArea(screen->display, view->window, bd, bd,
 857                            totalWidth, view->size.height-2*bd, False);
 858             break;
 859
 860          default:
 861          case WARight:
 862             tx = tPtr->offsetWidth + tPtr->usableWidth - tw - 1;
 863             if (tw < tPtr->usableWidth)
 864                 XClearArea(screen->display, view->window, bd, bd,
 865                            totalWidth-tw, view->size.height-2*bd, False);
 866             break;
 867         }
 868
 869         if (!tPtr->flags.enabled)
 870             WMSetColorInGC(screen->darkGray, screen->textFieldGC);
 871
 872         WMDrawImageString(screen, drawbuffer, screen->textFieldGC,
 873                           tPtr->font, tx, ty,
 874                           &(text[tPtr->viewPosition]),
 875                           tPtr->textLen - tPtr->viewPosition);
 876
 877         if (tPtr->selection.count) {
 878             int count,count2;
 879
 880             count = tPtr->selection.count < 0
 881                 ? tPtr->selection.position + tPtr->selection.count
 882                 : tPtr->selection.position;
 883             count2 = abs(tPtr->selection.count);
 884             if (count < tPtr->viewPosition) {
 885                 count2 = abs(count2 - abs(tPtr->viewPosition - count));
 886                 count = tPtr->viewPosition;
 887             }
 888
 889
 890             rx = tPtr->offsetWidth + 1 + WMWidthOfString(tPtr->font,text,count)
 891                 - WMWidthOfString(tPtr->font,text,tPtr->viewPosition);
 892
 893             XSetBackground(screen->display, screen->textFieldGC,
 894                     screen->gray->color.pixel);
 895
 896             WMDrawImageString(screen, drawbuffer, screen->textFieldGC,
 897                     tPtr->font, rx, ty, &(text[count]),
 898                     count2);
 899
 900             XSetBackground(screen->display, screen->textFieldGC,
 901                     screen->white->color.pixel);
 902         }
 903
 904         if (!tPtr->flags.enabled)
 905             WMSetColorInGC(screen->black, screen->textFieldGC);
 906     } else {
 907             XFillRectangle(screen->display, drawbuffer,
 908                            WMColorGC(screen->white),
 909                            bd,bd, totalWidth,view->size.height-2*bd);
 910     }
 911
 912     /* draw relief */
 913     if (tPtr->flags.bordered) {
 914         drawRelief(&viewbuffer, tPtr->flags.beveled);
 915     }
 916
 917     if (tPtr->flags.secure)
 918         wfree(text);
 919     XCopyArea(screen->display, drawbuffer, view->window,
 920               screen->copyGC, 0,0, view->size.width,
 921               view->size.height,0,0);
 922     XFreePixmap(screen->display, drawbuffer);
 923
 924     /* draw cursor */
 925     if (tPtr->flags.focused && tPtr->flags.enabled && tPtr->flags.cursorOn) {
 926         paintCursor(tPtr);
 927     }
 928 }
 929
 930
 931 #if 0
 932 static void
 933 blinkCursor(void *data)
 934 {
 935     TextField *tPtr = (TextField*)data;
 936
 937     if (tPtr->flags.cursorOn) {
 938         tPtr->timerID = WMAddTimerHandler(CURSOR_BLINK_OFF_DELAY, blinkCursor,
 939                                           data);
 940     } else {
 941         tPtr->timerID = WMAddTimerHandler(CURSOR_BLINK_ON_DELAY, blinkCursor,
 942                                           data);
 943     }
 944     paintCursor(tPtr);
 945     tPtr->flags.cursorOn = !tPtr->flags.cursorOn;
 946 }
 947 #endif
 948
 949
 950 static void
 951 handleEvents(XEvent *event, void *data)
 952 {
 953     TextField *tPtr = (TextField*)data;
 954
 955     CHECK_CLASS(data, WC_TextField);
 956
 957
 958     switch (event->type) {
 959      case FocusIn:
 960         if (W_FocusedViewOfToplevel(W_TopLevelOfView(tPtr->view))!=tPtr->view)
 961             return;
 962         tPtr->flags.focused = 1;
 963 #if 0
 964         if (!tPtr->timerID) {
 965             tPtr->timerID = WMAddTimerHandler(CURSOR_BLINK_ON_DELAY,
 966                                               blinkCursor, tPtr);
 967         }
 968 #endif
 969         paintTextField(tPtr);
 970
 971         NOTIFY(tPtr, didBeginEditing, WMTextDidBeginEditingNotification, NULL);
 972
 973         tPtr->flags.notIllegalMovement = 0;
 974         break;
 975
 976      case FocusOut:
 977         tPtr->flags.focused = 0;
 978 #if 0
 979         if (tPtr->timerID)
 980             WMDeleteTimerHandler(tPtr->timerID);
 981         tPtr->timerID = NULL;
 982 #endif
 983
 984         paintTextField(tPtr);
 985         if (!tPtr->flags.notIllegalMovement) {
 986             NOTIFY(tPtr, didEndEditing, WMTextDidEndEditingNotification,
 987                    (void*)WMIllegalTextMovement);
 988         }
 989         break;
 990
 991      case Expose:
 992         if (event->xexpose.count!=0)
 993             break;
 994         paintTextField(tPtr);
 995         break;
 996
 997      case DestroyNotify:
 998         destroyTextField(tPtr);
 999         break;
1000     }
1001 }
1002
1003
1004 static void
1005 handleTextFieldKeyPress(TextField *tPtr, XEvent *event)
1006 {
1007     char buffer[64];
1008     KeySym ksym;
1009     char *textEvent = NULL;
1010     void *data = NULL;
1011     int count, refresh = 0;
1012     int control_pressed = 0;
1013     int cancelSelection = 1;
1014     Bool shifted, controled, modified;
1015     Bool relay = True;
1016
1017     /*printf("(%d,%d) -> ", tPtr->selection.position, tPtr->selection.count);*/
1018     if (((XKeyEvent *) event)->state & WM_EMACSKEYMASK)
1019         control_pressed = 1;
1020
1021     shifted = (event->xkey.state & ShiftMask ? True : False);
1022     controled = (event->xkey.state & ControlMask ? True : False);
1023     modified = shifted || controled;
1024
1025     count = XLookupString(&event->xkey, buffer, 63, &ksym, NULL);
1026     buffer[count] = '\0';
1027
1028     switch (ksym) {
1029      case XK_Tab:
1030 #ifdef XK_ISO_Left_Tab
1031      case XK_ISO_Left_Tab:
1032 #endif
1033         if (!controled) {
1034             if (shifted) {
1035                 if (tPtr->view->prevFocusChain) {
1036                     W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr->view),
1037                                          tPtr->view->prevFocusChain);
1038                     tPtr->flags.notIllegalMovement = 1;
1039                 }
1040                 data = (void*)WMBacktabTextMovement;
1041             } else {
1042                 if (tPtr->view->nextFocusChain) {
1043                     W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr->view),
1044                                          tPtr->view->nextFocusChain);
1045                     tPtr->flags.notIllegalMovement = 1;
1046                 }
1047                 data = (void*)WMTabTextMovement;
1048             }
1049             textEvent = WMTextDidEndEditingNotification;
1050
1051             cancelSelection = 0;
1052
1053             relay = False;
1054         }
1055         break;
1056
1057      case XK_Escape:
1058         if (!modified) {
1059             data = (void*)WMEscapeTextMovement;
1060             textEvent = WMTextDidEndEditingNotification;
1061
1062             relay = False;
1063         }
1064         break;
1065
1066      case XK_Return:
1067         if (!modified) {
1068             data = (void*)WMReturnTextMovement;
1069             textEvent = WMTextDidEndEditingNotification;
1070
1071             relay = False;
1072         }
1073         break;
1074
1075      case WM_EMACSKEY_LEFT:
1076         if (!control_pressed)
1077             goto normal_key;
1078         else
1079             controled = False;
1080
1081 #ifdef XK_KP_Left
1082      case XK_KP_Left:
1083 #endif
1084      case XK_Left:
1085         if (tPtr->cursorPosition > 0) {
1086             paintCursor(tPtr);
1087             if (controled) {
1088                 int i = tPtr->cursorPosition - 1;
1089
1090                 while (i > 0 && tPtr->text[i] != ' ') i--;
1091                 while (i > 0 && tPtr->text[i] == ' ') i--;
1092
1093                 tPtr->cursorPosition = (i > 0) ? i + 1 : 0;
1094             } else
1095                 tPtr->cursorPosition--;
1096
1097             if (tPtr->cursorPosition < tPtr->viewPosition) {
1098                 tPtr->viewPosition = tPtr->cursorPosition;
1099                 refresh = 1;
1100             } else
1101                 paintCursor(tPtr);
1102         }
1103         if (shifted)
1104             cancelSelection = 0;
1105
1106         relay = False;
1107
1108         break;
1109
1110     case WM_EMACSKEY_RIGHT:
1111         if (!control_pressed)
1112             goto normal_key;
1113         else
1114             controled = False;
1115
1116 #ifdef XK_KP_Right
1117     case XK_KP_Right:
1118 #endif
1119     case XK_Right:
1120         if (tPtr->cursorPosition < tPtr->textLen) {
1121             paintCursor(tPtr);
1122             if (controled) {
1123                 int i = tPtr->cursorPosition;
1124
1125                 while (tPtr->text[i] && tPtr->text[i] != ' ') i++;
1126                 while (tPtr->text[i] == ' ') i++;
1127
1128                 tPtr->cursorPosition = i;
1129             } else {
1130                 tPtr->cursorPosition++;
1131             }
1132             while (WMWidthOfString(tPtr->font,
1133                                    &(tPtr->text[tPtr->viewPosition]),
1134                                    tPtr->cursorPosition-tPtr->viewPosition)
1135                    > tPtr->usableWidth) {
1136                 tPtr->viewPosition++;
1137                 refresh = 1;
1138             }
1139             if (!refresh)
1140                 paintCursor(tPtr);
1141         }
1142         if (shifted)
1143             cancelSelection = 0;
1144
1145         relay = False;
1146
1147         break;
1148
1149     case WM_EMACSKEY_HOME:
1150         if (!control_pressed)
1151             goto normal_key;
1152         else
1153             controled = False;
1154
1155 #ifdef XK_KP_Home
1156     case XK_KP_Home:
1157 #endif
1158     case XK_Home:
1159         if (!controled) {
1160             if (tPtr->cursorPosition > 0) {
1161                 paintCursor(tPtr);
1162                 tPtr->cursorPosition = 0;
1163                 if (tPtr->viewPosition > 0) {
1164                     tPtr->viewPosition = 0;
1165                     refresh = 1;
1166                 } else
1167                     paintCursor(tPtr);
1168             }
1169             if (shifted)
1170                 cancelSelection = 0;
1171
1172             relay = False;
1173         }
1174         break;
1175
1176     case WM_EMACSKEY_END:
1177         if (!control_pressed)
1178             goto normal_key;
1179         else
1180             controled = False;
1181
1182 #ifdef XK_KP_End
1183     case XK_KP_End:
1184 #endif
1185     case XK_End:
1186         if (!controled) {
1187             if (tPtr->cursorPosition < tPtr->textLen) {
1188                 paintCursor(tPtr);
1189                 tPtr->cursorPosition = tPtr->textLen;
1190                 tPtr->viewPosition = 0;
1191                 while (WMWidthOfString(tPtr->font,
1192                                        &(tPtr->text[tPtr->viewPosition]),
1193                                        tPtr->textLen-tPtr->viewPosition)
1194                        > tPtr->usableWidth) {
1195                     tPtr->viewPosition++;
1196                     refresh = 1;
1197                 }
1198                 if (!refresh)
1199                     paintCursor(tPtr);
1200             }
1201             if (shifted)
1202                 cancelSelection = 0;
1203
1204             relay = False;
1205         }
1206         break;
1207
1208      case WM_EMACSKEY_BS:
1209          if (!control_pressed)
1210              goto normal_key;
1211          else
1212              modified = False;
1213
1214      case XK_BackSpace:
1215         if (!modified) {
1216             if (tPtr->selection.count) {
1217                 WMDeleteTextFieldRange(tPtr, tPtr->selection);
1218                 data = (void*)WMDeleteTextEvent;
1219                 textEvent = WMTextDidChangeNotification;
1220             } else if (tPtr->cursorPosition > 0) {
1221                 WMRange range;
1222                 range.position = tPtr->cursorPosition - 1;
1223                 range.count = 1;
1224                 WMDeleteTextFieldRange(tPtr, range);
1225                 data = (void*)WMDeleteTextEvent;
1226                 textEvent = WMTextDidChangeNotification;
1227             }
1228
1229             relay = False;
1230         }
1231         break;
1232
1233     case WM_EMACSKEY_DEL:
1234         if (!control_pressed)
1235             goto normal_key;
1236         else
1237             modified = False;
1238
1239 #ifdef XK_KP_Delete
1240     case XK_KP_Delete:
1241 #endif
1242     case XK_Delete:
1243         if (!modified) {
1244             if (tPtr->selection.count) {
1245                 WMDeleteTextFieldRange(tPtr, tPtr->selection);
1246                 data = (void*)WMDeleteTextEvent;
1247                 textEvent = WMTextDidChangeNotification;
1248             } else if (tPtr->cursorPosition < tPtr->textLen) {
1249                 WMRange range;
1250                 range.position = tPtr->cursorPosition;
1251                 range.count = 1;
1252                 WMDeleteTextFieldRange(tPtr, range);
1253                 data = (void*)WMDeleteTextEvent;
1254                 textEvent = WMTextDidChangeNotification;
1255             }
1256
1257             relay = False;
1258         }
1259         break;
1260
1261     normal_key:
1262      default:
1263         if (!controled) {
1264             if (count > 0 && !iscntrl(buffer[0])) {
1265                 if (tPtr->selection.count)
1266                     WMDeleteTextFieldRange(tPtr, tPtr->selection);
1267                 WMInsertTextFieldText(tPtr, buffer, tPtr->cursorPosition);
1268                 data = (void*)WMInsertTextEvent;
1269                 textEvent = WMTextDidChangeNotification;
1270
1271                 relay = False;
1272             }
1273         }
1274         break;
1275     }
1276
1277     if (relay) {
1278         WMRelayToNextResponder(W_VIEW(tPtr), event);
1279         return;
1280     }
1281
1282     /* Do not allow text selection in secure text fields */
1283     if (cancelSelection || tPtr->flags.secure) {
1284         lostSelection(tPtr->view, XA_PRIMARY, NULL);
1285
1286         if (tPtr->selection.count) {
1287             tPtr->selection.count = 0;
1288             refresh = 1;
1289         }
1290         tPtr->selection.position = tPtr->cursorPosition;
1291     } else {
1292         if (tPtr->selection.count != tPtr->cursorPosition - tPtr->selection.position) {
1293
1294             tPtr->selection.count = tPtr->cursorPosition - tPtr->selection.position;
1295
1296             refresh = 1;
1297         }
1298     }
1299
1300     /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1301
1302     if (textEvent) {
1303         WMNotification *notif = WMCreateNotification(textEvent, tPtr, data);
1304
1305         if (tPtr->delegate) {
1306             if (textEvent==WMTextDidBeginEditingNotification &&
1307                 tPtr->delegate->didBeginEditing)
1308                 (*tPtr->delegate->didBeginEditing)(tPtr->delegate, notif);
1309
1310             else if (textEvent==WMTextDidEndEditingNotification &&
1311                      tPtr->delegate->didEndEditing)
1312                 (*tPtr->delegate->didEndEditing)(tPtr->delegate, notif);
1313
1314             else if (textEvent==WMTextDidChangeNotification &&
1315                      tPtr->delegate->didChange)
1316                 (*tPtr->delegate->didChange)(tPtr->delegate, notif);
1317         }
1318
1319         WMPostNotification(notif);
1320         WMReleaseNotification(notif);
1321     }
1322
1323     if (refresh)
1324         paintTextField(tPtr);
1325
1326     /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1327 }
1328
1329
1330 static int
1331 pointToCursorPosition(TextField *tPtr, int x)
1332 {
1333     int a, b, mid;
1334     int tw;
1335
1336     if (tPtr->flags.bordered)
1337         x -= 2;
1338
1339     a = tPtr->viewPosition;
1340     b = tPtr->viewPosition + tPtr->textLen;
1341     if (WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
1342                         tPtr->textLen - tPtr->viewPosition) < x)
1343         return tPtr->textLen;
1344
1345     while (a < b && b-a>1) {
1346         mid = (a+b)/2;
1347         tw = WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
1348                              mid - tPtr->viewPosition);
1349         if (tw > x)
1350             b = mid;
1351         else if (tw < x)
1352             a = mid;
1353         else
1354             return mid;
1355     }
1356     return (a+b)/2;
1357 }
1358
1359
1360
1361 static void
1362 pasteText(WMView *view, Atom selection, Atom target, Time timestamp,
1363           void *cdata, WMData *data)
1364 {
1365     TextField *tPtr = (TextField*)view->self;
1366     char *str;
1367
1368     tPtr->flags.waitingSelection = 0;
1369
1370     if (data != NULL) {
1371         str = (char*)WMDataBytes(data);
1372
1373         WMInsertTextFieldText(tPtr, str, tPtr->cursorPosition);
1374         NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1375                (void*)WMInsertTextEvent);
1376     } else {
1377         int n;
1378
1379         str = XFetchBuffer(tPtr->view->screen->display, &n, 0);
1380
1381         if (str != NULL) {
1382             str[n] = 0;
1383             WMInsertTextFieldText(tPtr, str, tPtr->cursorPosition);
1384             XFree(str);
1385             NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1386                    (void*)WMInsertTextEvent);
1387         }
1388     }
1389 }
1390
1391
1392 static void
1393 handleTextFieldActionEvents(XEvent *event, void *data)
1394 {
1395     TextField *tPtr = (TextField*)data;
1396     static int move = 0;
1397     static Time lastButtonReleasedEvent = 0;
1398     Display *dpy = event->xany.display;
1399
1400     CHECK_CLASS(data, WC_TextField);
1401
1402     switch (event->type) {
1403      case KeyPress:
1404         if (tPtr->flags.waitingSelection) {
1405             return;
1406         }
1407         if (tPtr->flags.enabled && tPtr->flags.focused) {
1408             handleTextFieldKeyPress(tPtr, event);
1409             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1410                           W_VIEW(tPtr)->screen->invisibleCursor);
1411             tPtr->flags.pointerGrabbed = 1;
1412         }
1413         break;
1414
1415      case MotionNotify:
1416
1417         if (tPtr->flags.pointerGrabbed) {
1418             tPtr->flags.pointerGrabbed = 0;
1419             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1420                           W_VIEW(tPtr)->screen->textCursor);
1421         }
1422         if (tPtr->flags.waitingSelection) {
1423             return;
1424         }
1425
1426         if (tPtr->flags.enabled && (event->xmotion.state & Button1Mask)) {
1427
1428             if (tPtr->viewPosition < tPtr->textLen && event->xmotion.x >
1429                 tPtr->usableWidth) {
1430                 if (WMWidthOfString(tPtr->font,
1431                                     &(tPtr->text[tPtr->viewPosition]),
1432                                     tPtr->cursorPosition-tPtr->viewPosition)
1433                     > tPtr->usableWidth) {
1434                     tPtr->viewPosition++;
1435                 }
1436             } else if (tPtr->viewPosition > 0 && event->xmotion.x < 0) {
1437                 paintCursor(tPtr);
1438                 tPtr->viewPosition--;
1439             }
1440
1441             tPtr->cursorPosition =
1442                 pointToCursorPosition(tPtr, event->xmotion.x);
1443
1444             /* Do not allow text selection in secure textfields */
1445             if (tPtr->flags.secure) {
1446                 tPtr->selection.position = tPtr->cursorPosition;
1447             }
1448
1449             tPtr->selection.count = tPtr->cursorPosition - tPtr->selection.position;
1450
1451             paintCursor(tPtr);
1452             paintTextField(tPtr);
1453
1454         }
1455         break;
1456
1457      case ButtonPress:
1458         if (tPtr->flags.pointerGrabbed) {
1459             tPtr->flags.pointerGrabbed = 0;
1460             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1461                           W_VIEW(tPtr)->screen->textCursor);
1462             break;
1463         }
1464
1465         if (tPtr->flags.waitingSelection) {
1466             break;
1467         }
1468
1469         move = 1;
1470         switch (tPtr->flags.alignment) {
1471             int textWidth;
1472          case WARight:
1473             textWidth = WMWidthOfString(tPtr->font, tPtr->text, tPtr->textLen);
1474             if (tPtr->flags.enabled && !tPtr->flags.focused) {
1475                 WMSetFocusToWidget(tPtr);
1476             }
1477             if (tPtr->flags.focused) {
1478                 tPtr->selection.position = tPtr->cursorPosition;
1479                 tPtr->selection.count = 0;
1480             }
1481             if (textWidth < tPtr->usableWidth) {
1482                 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1483                                      event->xbutton.x - tPtr->usableWidth
1484                                      + textWidth);
1485             } else tPtr->cursorPosition = pointToCursorPosition(tPtr,
1486                                      event->xbutton.x);
1487
1488             paintTextField(tPtr);
1489             break;
1490
1491          case WALeft:
1492             if (tPtr->flags.enabled && !tPtr->flags.focused) {
1493                 WMSetFocusToWidget(tPtr);
1494             }
1495             if (tPtr->flags.focused && event->xbutton.button == Button1) {
1496                 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1497                                      event->xbutton.x);
1498                 tPtr->selection.position = tPtr->cursorPosition;
1499                 tPtr->selection.count = 0;
1500                 paintTextField(tPtr);
1501             }
1502             if (event->xbutton.button == Button2 && tPtr->flags.enabled) {
1503                 char *text;
1504                 int n;
1505
1506                 if (!WMRequestSelection(tPtr->view, XA_PRIMARY, XA_STRING,
1507                                         event->xbutton.time,
1508                                         pasteText, NULL)) {
1509                     text = XFetchBuffer(tPtr->view->screen->display, &n, 0);
1510
1511                     if (text) {
1512                         text[n] = 0;
1513                         WMInsertTextFieldText(tPtr, text, tPtr->cursorPosition);
1514                         XFree(text);
1515                         NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1516                                (void*)WMInsertTextEvent);
1517                     }
1518                 } else {
1519                     tPtr->flags.waitingSelection = 1;
1520                 }
1521             }
1522             break;
1523          default:
1524             break;
1525         }
1526         break;
1527
1528      case ButtonRelease:
1529         if (tPtr->flags.pointerGrabbed) {
1530             tPtr->flags.pointerGrabbed = 0;
1531             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1532                           W_VIEW(tPtr)->screen->textCursor);
1533         }
1534         if (tPtr->flags.waitingSelection) {
1535             break;
1536         }
1537
1538         if (!tPtr->flags.secure && tPtr->selection.count!=0) {
1539             int start, count;
1540             XRotateBuffers(dpy, 1);
1541
1542             count = abs(tPtr->selection.count);
1543             if (tPtr->selection.count < 0)
1544                 start = tPtr->selection.position - count;
1545             else
1546                 start = tPtr->selection.position;
1547
1548             XStoreBuffer(dpy, &tPtr->text[start], count, 0);
1549         }
1550
1551         move = 0;
1552
1553         if (!tPtr->flags.secure &&
1554             event->xbutton.time - lastButtonReleasedEvent
1555             <= WINGsConfiguration.doubleClickDelay) {
1556             tPtr->selection.position = 0;
1557             tPtr->selection.count = tPtr->textLen;
1558             paintTextField(tPtr);
1559
1560             if (!tPtr->flags.ownsSelection) {
1561                 tPtr->flags.ownsSelection =
1562                     WMCreateSelectionHandler(tPtr->view,
1563                                              XA_PRIMARY,
1564                                              event->xbutton.time,
1565                                              &selectionHandler, NULL);
1566             }
1567         } else if (!tPtr->flags.secure && tPtr->selection.count!=0 &&
1568                    !tPtr->flags.ownsSelection) {
1569             tPtr->flags.ownsSelection =
1570                 WMCreateSelectionHandler(tPtr->view,
1571                                          XA_PRIMARY,
1572                                          event->xbutton.time,
1573                                          &selectionHandler, NULL);
1574         }
1575
1576         lastButtonReleasedEvent = event->xbutton.time;
1577
1578         break;
1579     }
1580 }
1581
1582
1583 static void
1584 destroyTextField(TextField *tPtr)
1585 {
1586 #if 0
1587     if (tPtr->timerID)
1588         WMDeleteTimerHandler(tPtr->timerID);
1589 #endif
1590
1591     WMReleaseFont(tPtr->font);
1592     // use lostSelection() instead of WMDeleteSelectionHandler aici?
1593     WMDeleteSelectionHandler(tPtr->view, XA_PRIMARY, CurrentTime);
1594     WMRemoveNotificationObserver(tPtr);
1595
1596     if (tPtr->text)
1597         wfree(tPtr->text);
1598
1599     wfree(tPtr);
1600 }
1601
1602