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;
1022     controled = event->xkey.state & ControlMask;
1023     if ((event->xkey.state & (ShiftMask|ControlMask)) != 0) {
1024         modified = True;
1025     } else {
1026         modified = False;
1027     }
1028
1029     count = XLookupString(&event->xkey, buffer, 63, &ksym, NULL);
1030     buffer[count] = '\0';
1031
1032     switch (ksym) {
1033      case XK_Tab:
1034 #ifdef XK_ISO_Left_Tab
1035      case XK_ISO_Left_Tab:
1036 #endif
1037         if (!controled && !modified) {
1038             if (shifted) {
1039                 if (tPtr->view->prevFocusChain) {
1040                     W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr->view),
1041                                          tPtr->view->prevFocusChain);
1042                     tPtr->flags.notIllegalMovement = 1;
1043                 }
1044                 data = (void*)WMBacktabTextMovement;
1045             } else {
1046                 if (tPtr->view->nextFocusChain) {
1047                     W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr->view),
1048                                          tPtr->view->nextFocusChain);
1049                     tPtr->flags.notIllegalMovement = 1;
1050                 }
1051                 data = (void*)WMTabTextMovement;
1052             }
1053             textEvent = WMTextDidEndEditingNotification;
1054
1055             relay = False;
1056         }
1057         break;
1058
1059      case XK_Escape:
1060         if (!shifted && !controled && !modified) {
1061             data = (void*)WMEscapeTextMovement;
1062             textEvent = WMTextDidEndEditingNotification;
1063
1064             relay = False;
1065         }
1066         break;
1067
1068      case XK_Return:
1069         if (!shifted && !controled && !modified) {
1070             data = (void*)WMReturnTextMovement;
1071             textEvent = WMTextDidEndEditingNotification;
1072
1073             relay = False;
1074         }
1075         break;
1076
1077      case WM_EMACSKEY_LEFT:
1078         if (!control_pressed)
1079             goto normal_key;
1080         else
1081             modified = False;
1082 #ifdef XK_KP_Left
1083      case XK_KP_Left:
1084 #endif
1085      case XK_Left:
1086         if (!modified) {
1087             if (tPtr->cursorPosition > 0) {
1088                 paintCursor(tPtr);
1089                 if (event->xkey.state & ControlMask) {
1090                     int i = tPtr->cursorPosition - 1;
1091
1092                     while (i > 0 && tPtr->text[i] != ' ') i--;
1093                     while (i > 0 && tPtr->text[i] == ' ') i--;
1094
1095                     tPtr->cursorPosition = (i > 0) ? i + 1 : 0;
1096                 } else
1097                     tPtr->cursorPosition--;
1098
1099                 if (tPtr->cursorPosition < tPtr->viewPosition) {
1100                     tPtr->viewPosition = tPtr->cursorPosition;
1101                     refresh = 1;
1102                 } else
1103                     paintCursor(tPtr);
1104             }
1105             if (event->xkey.state & ShiftMask)
1106                 cancelSelection = 0;
1107
1108             relay = False;
1109         }
1110         break;
1111
1112     case WM_EMACSKEY_RIGHT:
1113         if (!control_pressed)
1114             goto normal_key;
1115         else
1116             modified = False;
1117
1118 #ifdef XK_KP_Right
1119     case XK_KP_Right:
1120 #endif
1121     case XK_Right:
1122         if (!modified) {
1123             if (tPtr->cursorPosition < tPtr->textLen) {
1124                 paintCursor(tPtr);
1125                 if (event->xkey.state & ControlMask) {
1126                     int i = tPtr->cursorPosition;
1127
1128                     while (tPtr->text[i] && tPtr->text[i] != ' ') i++;
1129                     while (tPtr->text[i] == ' ') i++;
1130
1131                     tPtr->cursorPosition = i;
1132                 } else {
1133                     tPtr->cursorPosition++;
1134                 }
1135                 while (WMWidthOfString(tPtr->font,
1136                                        &(tPtr->text[tPtr->viewPosition]),
1137                                        tPtr->cursorPosition-tPtr->viewPosition)
1138                        > tPtr->usableWidth) {
1139                     tPtr->viewPosition++;
1140                     refresh = 1;
1141                 }
1142                 if (!refresh)
1143                     paintCursor(tPtr);
1144             }
1145             if (event->xkey.state & ShiftMask)
1146                 cancelSelection = 0;
1147
1148             relay = False;
1149         }
1150         break;
1151
1152     case WM_EMACSKEY_HOME:
1153         if (!control_pressed)
1154             goto normal_key;
1155         else {
1156             modified = False;
1157             controled = False;
1158         }
1159 #ifdef XK_KP_Home
1160     case XK_KP_Home:
1161 #endif
1162     case XK_Home:
1163         if (!modified && !controled) {
1164             if (tPtr->cursorPosition > 0) {
1165                 paintCursor(tPtr);
1166                 tPtr->cursorPosition = 0;
1167                 if (tPtr->viewPosition > 0) {
1168                     tPtr->viewPosition = 0;
1169                     refresh = 1;
1170                 } else
1171                     paintCursor(tPtr);
1172             }
1173             if (event->xkey.state & ShiftMask)
1174                 cancelSelection = 0;
1175
1176             relay = False;
1177         }
1178         break;
1179
1180     case WM_EMACSKEY_END:
1181         if (!control_pressed)
1182             goto normal_key;
1183         else {
1184             modified = False;
1185             controled = False;
1186         }
1187 #ifdef XK_KP_End
1188     case XK_KP_End:
1189 #endif
1190     case XK_End:
1191         if (!modified && !controled) {
1192             if (tPtr->cursorPosition < tPtr->textLen) {
1193                 paintCursor(tPtr);
1194                 tPtr->cursorPosition = tPtr->textLen;
1195                 tPtr->viewPosition = 0;
1196                 while (WMWidthOfString(tPtr->font,
1197                                        &(tPtr->text[tPtr->viewPosition]),
1198                                        tPtr->textLen-tPtr->viewPosition)
1199                        > tPtr->usableWidth) {
1200                     tPtr->viewPosition++;
1201                     refresh = 1;
1202                 }
1203                 if (!refresh)
1204                     paintCursor(tPtr);
1205             }
1206             if (event->xkey.state & ShiftMask)
1207                 cancelSelection = 0;
1208
1209             relay = False;
1210         }
1211         break;
1212
1213      case WM_EMACSKEY_BS:
1214          if (!control_pressed)
1215             goto normal_key;
1216          else {
1217             modified = False;
1218             controled = False;
1219             shifted = False;
1220         }
1221      case XK_BackSpace:
1222         if (!modified && !shifted && !controled) {
1223             if (tPtr->selection.count) {
1224                 WMDeleteTextFieldRange(tPtr, tPtr->selection);
1225                 data = (void*)WMDeleteTextEvent;
1226                 textEvent = WMTextDidChangeNotification;
1227             } else if (tPtr->cursorPosition > 0) {
1228                 WMRange range;
1229                 range.position = tPtr->cursorPosition - 1;
1230                 range.count = 1;
1231                 WMDeleteTextFieldRange(tPtr, range);
1232                 data = (void*)WMDeleteTextEvent;
1233                 textEvent = WMTextDidChangeNotification;
1234             }
1235
1236             relay = False;
1237         }
1238         break;
1239
1240     case WM_EMACSKEY_DEL:
1241         if (!control_pressed)
1242             goto normal_key;
1243         else {
1244             modified = False;
1245             controled = False;
1246             shifted = False;
1247         }
1248 #ifdef XK_KP_Delete
1249     case XK_KP_Delete:
1250 #endif
1251     case XK_Delete:
1252         if (!modified && !controled && !shifted) {
1253             if (tPtr->selection.count) {
1254                 WMDeleteTextFieldRange(tPtr, tPtr->selection);
1255                 data = (void*)WMDeleteTextEvent;
1256                 textEvent = WMTextDidChangeNotification;
1257             } else if (tPtr->cursorPosition < tPtr->textLen) {
1258                 WMRange range;
1259                 range.position = tPtr->cursorPosition;
1260                 range.count = 1;
1261                 WMDeleteTextFieldRange(tPtr, range);
1262                 data = (void*)WMDeleteTextEvent;
1263                 textEvent = WMTextDidChangeNotification;
1264             }
1265
1266             relay = False;
1267         }
1268         break;
1269
1270     normal_key:
1271      default:
1272         if (!controled) {
1273             if (count > 0 && !iscntrl(buffer[0])) {
1274                 if (tPtr->selection.count)
1275                     WMDeleteTextFieldRange(tPtr, tPtr->selection);
1276                 WMInsertTextFieldText(tPtr, buffer, tPtr->cursorPosition);
1277                 data = (void*)WMInsertTextEvent;
1278                 textEvent = WMTextDidChangeNotification;
1279
1280                 relay = False;
1281             }
1282         }
1283         break;
1284     }
1285
1286     if (relay) {
1287         WMRelayToNextResponder(W_VIEW(tPtr), event);
1288         return;
1289     }
1290
1291     /* Do not allow text selection in secure text fields */
1292     if (cancelSelection || tPtr->flags.secure) {
1293         lostSelection(tPtr->view, XA_PRIMARY, NULL);
1294
1295         if (tPtr->selection.count) {
1296             tPtr->selection.count = 0;
1297             refresh = 1;
1298         }
1299         tPtr->selection.position = tPtr->cursorPosition;
1300     } else {
1301         if (tPtr->selection.count != tPtr->cursorPosition - tPtr->selection.position) {
1302
1303             tPtr->selection.count = tPtr->cursorPosition - tPtr->selection.position;
1304
1305             refresh = 1;
1306         }
1307     }
1308
1309     /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1310
1311     if (textEvent) {
1312         WMNotification *notif = WMCreateNotification(textEvent, tPtr, data);
1313
1314         if (tPtr->delegate) {
1315             if (textEvent==WMTextDidBeginEditingNotification &&
1316                 tPtr->delegate->didBeginEditing)
1317                 (*tPtr->delegate->didBeginEditing)(tPtr->delegate, notif);
1318
1319             else if (textEvent==WMTextDidEndEditingNotification &&
1320                      tPtr->delegate->didEndEditing)
1321                 (*tPtr->delegate->didEndEditing)(tPtr->delegate, notif);
1322
1323             else if (textEvent==WMTextDidChangeNotification &&
1324                      tPtr->delegate->didChange)
1325                 (*tPtr->delegate->didChange)(tPtr->delegate, notif);
1326         }
1327
1328         WMPostNotification(notif);
1329         WMReleaseNotification(notif);
1330     }
1331
1332     if (refresh)
1333         paintTextField(tPtr);
1334
1335     /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1336 }
1337
1338
1339 static int
1340 pointToCursorPosition(TextField *tPtr, int x)
1341 {
1342     int a, b, mid;
1343     int tw;
1344
1345     if (tPtr->flags.bordered)
1346         x -= 2;
1347
1348     a = tPtr->viewPosition;
1349     b = tPtr->viewPosition + tPtr->textLen;
1350     if (WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
1351                         tPtr->textLen - tPtr->viewPosition) < x)
1352         return tPtr->textLen;
1353
1354     while (a < b && b-a>1) {
1355         mid = (a+b)/2;
1356         tw = WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
1357                              mid - tPtr->viewPosition);
1358         if (tw > x)
1359             b = mid;
1360         else if (tw < x)
1361             a = mid;
1362         else
1363             return mid;
1364     }
1365     return (a+b)/2;
1366 }
1367
1368
1369
1370 static void
1371 pasteText(WMView *view, Atom selection, Atom target, Time timestamp,
1372           void *cdata, WMData *data)
1373 {
1374     TextField *tPtr = (TextField*)view->self;
1375     char *str;
1376
1377     tPtr->flags.waitingSelection = 0;
1378
1379     if (data != NULL) {
1380         str = (char*)WMDataBytes(data);
1381
1382         WMInsertTextFieldText(tPtr, str, tPtr->cursorPosition);
1383         NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1384                (void*)WMInsertTextEvent);
1385     } else {
1386         int n;
1387
1388         str = XFetchBuffer(tPtr->view->screen->display, &n, 0);
1389
1390         if (str != NULL) {
1391             str[n] = 0;
1392             WMInsertTextFieldText(tPtr, str, tPtr->cursorPosition);
1393             XFree(str);
1394             NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1395                    (void*)WMInsertTextEvent);
1396         }
1397     }
1398 }
1399
1400
1401 static void
1402 handleTextFieldActionEvents(XEvent *event, void *data)
1403 {
1404     TextField *tPtr = (TextField*)data;
1405     static int move = 0;
1406     static Time lastButtonReleasedEvent = 0;
1407     Display *dpy = event->xany.display;
1408
1409     CHECK_CLASS(data, WC_TextField);
1410
1411     switch (event->type) {
1412      case KeyPress:
1413         if (tPtr->flags.waitingSelection) {
1414             return;
1415         }
1416         if (tPtr->flags.enabled && tPtr->flags.focused) {
1417             handleTextFieldKeyPress(tPtr, event);
1418             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1419                           W_VIEW(tPtr)->screen->invisibleCursor);
1420             tPtr->flags.pointerGrabbed = 1;
1421         }
1422         break;
1423
1424      case MotionNotify:
1425
1426         if (tPtr->flags.pointerGrabbed) {
1427             tPtr->flags.pointerGrabbed = 0;
1428             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1429                           W_VIEW(tPtr)->screen->textCursor);
1430         }
1431         if (tPtr->flags.waitingSelection) {
1432             return;
1433         }
1434
1435         if (tPtr->flags.enabled && (event->xmotion.state & Button1Mask)) {
1436
1437             if (tPtr->viewPosition < tPtr->textLen && event->xmotion.x >
1438                 tPtr->usableWidth) {
1439                 if (WMWidthOfString(tPtr->font,
1440                                     &(tPtr->text[tPtr->viewPosition]),
1441                                     tPtr->cursorPosition-tPtr->viewPosition)
1442                     > tPtr->usableWidth) {
1443                     tPtr->viewPosition++;
1444                 }
1445             } else if (tPtr->viewPosition > 0 && event->xmotion.x < 0) {
1446                 paintCursor(tPtr);
1447                 tPtr->viewPosition--;
1448             }
1449
1450             tPtr->cursorPosition =
1451                 pointToCursorPosition(tPtr, event->xmotion.x);
1452
1453             /* Do not allow text selection in secure textfields */
1454             if (tPtr->flags.secure) {
1455                 tPtr->selection.position = tPtr->cursorPosition;
1456             }
1457
1458             tPtr->selection.count = tPtr->cursorPosition - tPtr->selection.position;
1459
1460             paintCursor(tPtr);
1461             paintTextField(tPtr);
1462
1463         }
1464         break;
1465
1466      case ButtonPress:
1467         if (tPtr->flags.pointerGrabbed) {
1468             tPtr->flags.pointerGrabbed = 0;
1469             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1470                           W_VIEW(tPtr)->screen->textCursor);
1471             break;
1472         }
1473
1474         if (tPtr->flags.waitingSelection) {
1475             break;
1476         }
1477
1478         move = 1;
1479         switch (tPtr->flags.alignment) {
1480             int textWidth;
1481          case WARight:
1482             textWidth = WMWidthOfString(tPtr->font, tPtr->text, tPtr->textLen);
1483             if (tPtr->flags.enabled && !tPtr->flags.focused) {
1484                 WMSetFocusToWidget(tPtr);
1485             }
1486             if (tPtr->flags.focused) {
1487                 tPtr->selection.position = tPtr->cursorPosition;
1488                 tPtr->selection.count = 0;
1489             }
1490             if (textWidth < tPtr->usableWidth) {
1491                 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1492                                      event->xbutton.x - tPtr->usableWidth
1493                                      + textWidth);
1494             } else tPtr->cursorPosition = pointToCursorPosition(tPtr,
1495                                      event->xbutton.x);
1496
1497             paintTextField(tPtr);
1498             break;
1499
1500          case WALeft:
1501             if (tPtr->flags.enabled && !tPtr->flags.focused) {
1502                 WMSetFocusToWidget(tPtr);
1503             }
1504             if (tPtr->flags.focused && event->xbutton.button == Button1) {
1505                 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1506                                      event->xbutton.x);
1507                 tPtr->selection.position = tPtr->cursorPosition;
1508                 tPtr->selection.count = 0;
1509                 paintTextField(tPtr);
1510             }
1511             if (event->xbutton.button == Button2 && tPtr->flags.enabled) {
1512                 char *text;
1513                 int n;
1514
1515                 if (!WMRequestSelection(tPtr->view, XA_PRIMARY, XA_STRING,
1516                                         event->xbutton.time,
1517                                         pasteText, NULL)) {
1518                     text = XFetchBuffer(tPtr->view->screen->display, &n, 0);
1519
1520                     if (text) {
1521                         text[n] = 0;
1522                         WMInsertTextFieldText(tPtr, text, tPtr->cursorPosition);
1523                         XFree(text);
1524                         NOTIFY(tPtr, didChange, WMTextDidChangeNotification,
1525                                (void*)WMInsertTextEvent);
1526                     }
1527                 } else {
1528                     tPtr->flags.waitingSelection = 1;
1529                 }
1530             }
1531             break;
1532          default:
1533             break;
1534         }
1535         break;
1536
1537      case ButtonRelease:
1538         if (tPtr->flags.pointerGrabbed) {
1539             tPtr->flags.pointerGrabbed = 0;
1540             XDefineCursor(dpy, W_VIEW(tPtr)->window,
1541                           W_VIEW(tPtr)->screen->textCursor);
1542         }
1543         if (tPtr->flags.waitingSelection) {
1544             break;
1545         }
1546
1547         if (!tPtr->flags.secure && tPtr->selection.count!=0) {
1548             int start, count;
1549             XRotateBuffers(dpy, 1);
1550
1551             count = abs(tPtr->selection.count);
1552             if (tPtr->selection.count < 0)
1553                 start = tPtr->selection.position - count;
1554             else
1555                 start = tPtr->selection.position;
1556
1557             XStoreBuffer(dpy, &tPtr->text[start], count, 0);
1558         }
1559
1560         move = 0;
1561
1562         if (!tPtr->flags.secure &&
1563             event->xbutton.time - lastButtonReleasedEvent
1564             <= WINGsConfiguration.doubleClickDelay) {
1565             tPtr->selection.position = 0;
1566             tPtr->selection.count = tPtr->textLen;
1567             paintTextField(tPtr);
1568
1569             if (!tPtr->flags.ownsSelection) {
1570                 tPtr->flags.ownsSelection =
1571                     WMCreateSelectionHandler(tPtr->view,
1572                                              XA_PRIMARY,
1573                                              event->xbutton.time,
1574                                              &selectionHandler, NULL);
1575             }
1576         } else if (!tPtr->flags.secure && tPtr->selection.count!=0 &&
1577                    !tPtr->flags.ownsSelection) {
1578             tPtr->flags.ownsSelection =
1579                 WMCreateSelectionHandler(tPtr->view,
1580                                          XA_PRIMARY,
1581                                          event->xbutton.time,
1582                                          &selectionHandler, NULL);
1583         }
1584
1585         lastButtonReleasedEvent = event->xbutton.time;
1586
1587         break;
1588     }
1589 }
1590
1591
1592 static void
1593 destroyTextField(TextField *tPtr)
1594 {
1595 #if 0
1596     if (tPtr->timerID)
1597         WMDeleteTimerHandler(tPtr->timerID);
1598 #endif
1599
1600     WMReleaseFont(tPtr->font);
1601     // use lostSelection() instead of WMDeleteSelectionHandler aici?
1602     WMDeleteSelectionHandler(tPtr->view, XA_PRIMARY, CurrentTime);
1603     WMRemoveNotificationObserver(tPtr);
1604
1605     if (tPtr->text)
1606         wfree(tPtr->text);
1607
1608     wfree(tPtr);
1609 }
1610
1611