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1
11 package org.eclipse.swt.widgets;
12
13
14 import org.eclipse.swt.*;
15 import org.eclipse.swt.internal.win32.*;
16 import org.eclipse.swt.graphics.*;
17 import org.eclipse.swt.events.*;
18
19
39 public class Spinner extends Composite {
40 int hwndText, hwndUpDown;
41 boolean ignoreModify;
42 int pageIncrement, digits;
43 static final int EditProc;
44 static final TCHAR EditClass = new TCHAR (0, "EDIT", true);
45 static final int UpDownProc;
46 static final TCHAR UpDownClass = new TCHAR (0, OS.UPDOWN_CLASS, true);
47 static {
48 WNDCLASS lpWndClass = new WNDCLASS ();
49 OS.GetClassInfo (0, EditClass, lpWndClass);
50 EditProc = lpWndClass.lpfnWndProc;
51 OS.GetClassInfo (0, UpDownClass, lpWndClass);
52 UpDownProc = lpWndClass.lpfnWndProc;
53 }
54
55
84 public Spinner (Composite parent, int style) {
85 super (parent, checkStyle (style));
86 }
87
88 int callWindowProc (int hwnd, int msg, int wParam, int lParam) {
89 if (handle == 0) return 0;
90 if (hwnd == hwndText) {
91 return OS.CallWindowProc (EditProc, hwnd, msg, wParam, lParam);
92 }
93 if (hwnd == hwndUpDown) {
94 return OS.CallWindowProc (UpDownProc, hwnd, msg, wParam, lParam);
95 }
96 return OS.DefWindowProc (handle, msg, wParam, lParam);
97 }
98
99 static int checkStyle (int style) {
100
107 return style & ~(SWT.H_SCROLL | SWT.V_SCROLL);
108 }
109
110 boolean checkHandle (int hwnd) {
111 return hwnd == handle || hwnd == hwndText || hwnd == hwndUpDown;
112 }
113
114 protected void checkSubclass () {
115 if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
116 }
117
118 void createHandle () {
119 super.createHandle ();
120 state &= ~(CANVAS | THEME_BACKGROUND);
121 int hInstance = OS.GetModuleHandle (null);
122 int textExStyle = (style & SWT.BORDER) != 0 ? OS.WS_EX_CLIENTEDGE : 0;
123 int textStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.ES_AUTOHSCROLL | OS.WS_CLIPSIBLINGS;
124 if ((style & SWT.READ_ONLY) != 0) textStyle |= OS.ES_READONLY;
125 if (OS.WIN32_VERSION >= OS.VERSION (4, 10)) {
126 if ((style & SWT.RIGHT_TO_LEFT) != 0) textExStyle |= OS.WS_EX_LAYOUTRTL;
127 }
128 hwndText = OS.CreateWindowEx (
129 textExStyle,
130 EditClass,
131 null,
132 textStyle,
133 0, 0, 0, 0,
134 handle,
135 0,
136 hInstance,
137 null);
138 if (hwndText == 0) error (SWT.ERROR_NO_HANDLES);
139 OS.SetWindowLong (hwndText, OS.GWL_ID, hwndText);
140 int upDownStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.UDS_AUTOBUDDY;
141 if ((style & SWT.WRAP) != 0) upDownStyle |= OS.UDS_WRAP;
142 if ((style & SWT.BORDER) != 0) {
143 if ((style & SWT.RIGHT_TO_LEFT) != 0) {
144 upDownStyle |= OS.UDS_ALIGNLEFT;
145 } else {
146 upDownStyle |= OS.UDS_ALIGNRIGHT;
147 }
148 }
149 hwndUpDown = OS.CreateWindowEx (
150 0,
151 UpDownClass,
152 null,
153 upDownStyle,
154 0, 0, 0, 0,
155 handle,
156 0,
157 hInstance,
158 null);
159 if (hwndUpDown == 0) error (SWT.ERROR_NO_HANDLES);
160 int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
161 SetWindowPos (hwndText, hwndUpDown, 0, 0, 0, 0, flags);
162 OS.SetWindowLong (hwndUpDown, OS.GWL_ID, hwndUpDown);
163 if (OS.IsDBLocale) {
164 int hIMC = OS.ImmGetContext (handle);
165 OS.ImmAssociateContext (hwndText, hIMC);
166 OS.ImmAssociateContext (hwndUpDown, hIMC);
167 OS.ImmReleaseContext (handle, hIMC);
168 }
169 OS.SendMessage (hwndUpDown, OS.UDM_SETRANGE32, 0, 100);
170 OS.SendMessage (hwndUpDown, OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, 0);
171 pageIncrement = 10;
172 digits = 0;
173 TCHAR buffer = new TCHAR (getCodePage (), "0", true);
174 OS.SetWindowText (hwndText, buffer);
175 }
176
177
196 public void addModifyListener (ModifyListener listener) {
197 checkWidget ();
198 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
199 TypedListener typedListener = new TypedListener (listener);
200 addListener (SWT.Modify, typedListener);
201 }
202
203
227 public void addSelectionListener(SelectionListener listener) {
228 checkWidget ();
229 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
230 TypedListener typedListener = new TypedListener (listener);
231 addListener (SWT.Selection,typedListener);
232 addListener (SWT.DefaultSelection,typedListener);
233 }
234
235
254 void addVerifyListener (VerifyListener listener) {
255 checkWidget();
256 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
257 TypedListener typedListener = new TypedListener (listener);
258 addListener (SWT.Verify, typedListener);
259 }
260
261 int borderHandle () {
262 return hwndText;
263 }
264
265 public Point computeSize (int wHint, int hHint, boolean changed) {
266 checkWidget ();
267 int width = 0, height = 0;
268 if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
269 int newFont, oldFont = 0;
270 int hDC = OS.GetDC (hwndText);
271 newFont = OS.SendMessage (hwndText, OS.WM_GETFONT, 0, 0);
272 if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
273 TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
274 OS.GetTextMetrics (hDC, tm);
275 height = tm.tmHeight;
276 RECT rect = new RECT ();
277 int [] max = new int [1];
278 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
279 String  string = String.valueOf (max [0]);
280 if (digits > 0) {
281 StringBuffer buffer = new StringBuffer ();
282 buffer.append (string);
283 buffer.append (getDecimalSeparator ());
284 int count = digits - string.length ();
285 while (count >= 0) {
286 buffer.append ("0");
287 count--;
288 }
289 string = buffer.toString ();
290 }
291 TCHAR buffer = new TCHAR (getCodePage (), string, false);
292 int flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_NOPREFIX;
293 OS.DrawText (hDC, buffer, buffer.length (), rect, flags);
294 width = rect.right - rect.left;
295 if (newFont != 0) OS.SelectObject (hDC, oldFont);
296 OS.ReleaseDC (hwndText, hDC);
297 }
298 if (width == 0) width = DEFAULT_WIDTH;
299 if (height == 0) height = DEFAULT_HEIGHT;
300 if (wHint != SWT.DEFAULT) width = wHint;
301 if (hHint != SWT.DEFAULT) height = hHint;
302 Rectangle trim = computeTrim (0, 0, width, height);
303 if (hHint == SWT.DEFAULT) {
304 int upDownHeight = OS.GetSystemMetrics (OS.SM_CYVSCROLL) + 2 * getBorderWidth ();
305 if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) {
306 upDownHeight += (style & SWT.BORDER) != 0 ? 1 : 3;
307 }
308 trim.height = Math.max (trim.height, upDownHeight);
309 }
310 return new Point (trim.width, trim.height);
311 }
312
313 public Rectangle computeTrim (int x, int y, int width, int height) {
314 checkWidget ();
315
316
317 RECT rect = new RECT ();
318 OS.SetRect (rect, x, y, x + width, y + height);
319 int bits0 = OS.GetWindowLong (hwndText, OS.GWL_STYLE);
320 int bits1 = OS.GetWindowLong (hwndText, OS.GWL_EXSTYLE);
321 OS.AdjustWindowRectEx (rect, bits0, false, bits1);
322 width = rect.right - rect.left;
323 height = rect.bottom - rect.top;
324
325
331 int margins = OS.SendMessage (hwndText, OS.EM_GETMARGINS, 0, 0);
332 x -= margins & 0xFFFF;
333 width += (margins & 0xFFFF) + ((margins >> 16) & 0xFFFF);
334 if ((style & SWT.BORDER) != 0) {
335 x -= 1;
336 y -= 1;
337 width += 2;
338 height += 2;
339 }
340 width += OS.GetSystemMetrics (OS.SM_CXVSCROLL);
341 return new Rectangle (x, y, width, height);
342 }
343
344
355 public void copy () {
356 checkWidget ();
357 OS.SendMessage (hwndText, OS.WM_COPY, 0, 0);
358 }
359
360
372 public void cut () {
373 checkWidget ();
374 if ((style & SWT.READ_ONLY) != 0) return;
375 OS.SendMessage (hwndText, OS.WM_CUT, 0, 0);
376 }
377
378 int defaultBackground () {
379 return OS.GetSysColor (OS.COLOR_WINDOW);
380 }
381
382 void enableWidget (boolean enabled) {
383 super.enableWidget (enabled);
384 OS.EnableWindow (hwndText, enabled);
385 OS.EnableWindow (hwndUpDown, enabled);
386 }
387
388 void deregister () {
389 super.deregister ();
390 display.removeControl (hwndText);
391 display.removeControl (hwndUpDown);
392 }
393
394 boolean hasFocus () {
395 int hwndFocus = OS.GetFocus ();
396 if (hwndFocus == handle) return true;
397 if (hwndFocus == hwndText) return true;
398 if (hwndFocus == hwndUpDown) return true;
399 return false;
400 }
401
402
412 public int getDigits () {
413 checkWidget ();
414 return digits;
415 }
416
417 String getDecimalSeparator () {
418 TCHAR tchar = new TCHAR (getCodePage (), 4);
419 int size = OS.GetLocaleInfo (OS.LOCALE_USER_DEFAULT, OS.LOCALE_SDECIMAL, tchar, 4);
420 return size != 0 ? tchar.toString (0, size - 1) : ".";
421 }
422
423
434 public int getIncrement () {
435 checkWidget ();
436 UDACCEL udaccel = new UDACCEL ();
437 OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel);
438 return udaccel.nInc;
439 }
440
441
451 public int getMaximum () {
452 checkWidget ();
453 int [] max = new int [1];
454 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
455 return max [0];
456 }
457
458
468 public int getMinimum () {
469 checkWidget ();
470 int [] min = new int [1];
471 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null);
472 return min [0];
473 }
474
475
486 public int getPageIncrement () {
487 checkWidget ();
488 return pageIncrement;
489 }
490
491
501 public int getSelection () {
502 checkWidget ();
503 if (OS.IsWinCE) {
504 return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
505 } else {
506 return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
507 }
508 }
509
510 int getSelectionText () {
511 int length = OS.GetWindowTextLength (hwndText);
512 TCHAR buffer = new TCHAR (getCodePage (), length + 1);
513 OS.GetWindowText (hwndText, buffer, length + 1);
514 String string = buffer.toString (0, length);
515 try {
516 int value;
517 if (digits > 0) {
518 String decimalSeparator = getDecimalSeparator ();
519 int index = string.indexOf (decimalSeparator);
520 if (index != -1) {
521 String wholePart = string.substring (0, index);
522 String decimalPart = string.substring (index + 1);
523 if (decimalPart.length () > digits) {
524 decimalPart = decimalPart.substring (0, digits);
525 } else {
526 int i = digits - decimalPart.length ();
527 for (int j = 0; j < i; j++) {
528 decimalPart = decimalPart + "0";
529 }
530 }
531 int wholeValue = Integer.parseInt (wholePart);
532 int decimalValue = Integer.parseInt (decimalPart);
533 for (int i = 0; i < digits; i++) wholeValue *= 10;
534 value = wholeValue + decimalValue;
535 } else {
536 value = Integer.parseInt (string);
537 }
538 } else {
539 value = Integer.parseInt (string);
540 }
541 int [] max = new int [1], min = new int [1];
542 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
543 if (min [0] <= value && value <= max [0]) return value;
544 } catch (NumberFormatException e) {
545 }
546 return -1;
547 }
548
549 int mbcsToWcsPos (int mbcsPos) {
550 if (mbcsPos <= 0) return 0;
551 if (OS.IsUnicode) return mbcsPos;
552 int mbcsSize = OS.GetWindowTextLengthA (hwndText);
553 if (mbcsSize == 0) return 0;
554 if (mbcsPos >= mbcsSize) return mbcsSize;
555 byte [] buffer = new byte [mbcsSize + 1];
556 OS.GetWindowTextA (hwndText, buffer, mbcsSize + 1);
557 return OS.MultiByteToWideChar (getCodePage (), OS.MB_PRECOMPOSED, buffer, mbcsPos, null, 0);
558 }
559
560
572 public void paste () {
573 checkWidget ();
574 if ((style & SWT.READ_ONLY) != 0) return;
575 OS.SendMessage (hwndText, OS.WM_PASTE, 0, 0);
576 }
577
578 void register () {
579 super.register ();
580 display.addControl (hwndText, this);
581 display.addControl (hwndUpDown, this);
582 }
583
584 void releaseHandle () {
585 super.releaseHandle ();
586 hwndText = hwndUpDown = 0;
587 }
588
589
606 public void removeModifyListener (ModifyListener listener) {
607 checkWidget ();
608 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
609 if (eventTable == null) return;
610 eventTable.unhook (SWT.Modify, listener);
611 }
612
613
630 public void removeSelectionListener(SelectionListener listener) {
631 checkWidget ();
632 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
633 if (eventTable == null) return;
634 eventTable.unhook (SWT.Selection, listener);
635 eventTable.unhook (SWT.DefaultSelection,listener);
636 }
637
638
655 void removeVerifyListener (VerifyListener listener) {
656 checkWidget ();
657 if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
658 if (eventTable == null) return;
659 eventTable.unhook (SWT.Verify, listener);
660 }
661
662 boolean sendKeyEvent (int type, int msg, int wParam, int lParam, Event event) {
663 if (!super.sendKeyEvent (type, msg, wParam, lParam, event)) {
664 return false;
665 }
666 if ((style & SWT.READ_ONLY) != 0) return true;
667 if (type != SWT.KeyDown) return true;
668 if (msg != OS.WM_CHAR && msg != OS.WM_KEYDOWN && msg != OS.WM_IME_CHAR) {
669 return true;
670 }
671 if (event.character == 0) return true;
672 char key = event.character;
674 int stateMask = event.stateMask;
675
676
681 switch (msg) {
682 case OS.WM_CHAR:
683 if (key != 0x08 && key != 0x7F && key != '\r' && key != '\t' && key != '\n') break;
684 case OS.WM_KEYDOWN:
686 if ((stateMask & (SWT.ALT | SWT.SHIFT | SWT.CONTROL)) != 0) return false;
687 break;
688 }
689
690
693 if (OS.GetKeyState (OS.VK_LBUTTON) < 0) {
694 return true;
695 }
696
697
698 String oldText = "";
699 int [] start = new int [1], end = new int [1];
700 OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
701 switch (key) {
702 case 0x08:
703 if (start [0] == end [0]) {
704 if (start [0] == 0) return true;
705 start [0] = start [0] - 1;
706 if (!OS.IsUnicode && OS.IsDBLocale) {
707 int [] newStart = new int [1], newEnd = new int [1];
708 OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
709 OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
710 if (start [0] != newStart [0]) start [0] = start [0] - 1;
711 }
712 start [0] = Math.max (start [0], 0);
713 }
714 break;
715 case 0x7F:
716 if (start [0] == end [0]) {
717 int length = OS.GetWindowTextLength (hwndText);
718 if (start [0] == length) return true;
719 end [0] = end [0] + 1;
720 if (!OS.IsUnicode && OS.IsDBLocale) {
721 int [] newStart = new int [1], newEnd = new int [1];
722 OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
723 OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
724 if (end [0] != newEnd [0]) end [0] = end [0] + 1;
725 }
726 end [0] = Math.min (end [0], length);
727 }
728 break;
729 case '\r':
730 return true;
731 default:
732 if (key != '\t' && key < 0x20) return true;
733 oldText = new String (new char [] {key});
734 break;
735 }
736 String newText = verifyText (oldText, start [0], end [0], event);
737 if (newText == null) return false;
738 if (newText == oldText) return true;
739 TCHAR buffer = new TCHAR (getCodePage (), newText, true);
740 OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
741 OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer);
742 return false;
743 }
744
745 void setBackgroundImage (int hBitmap) {
746 super.setBackgroundImage (hBitmap);
747 OS.InvalidateRect (hwndText, null, true);
748 }
749
750 void setBackgroundPixel (int pixel) {
751 super.setBackgroundPixel (pixel);
752 OS.InvalidateRect (hwndText, null, true);
753 }
754
755
775 public void setDigits (int value) {
776 checkWidget ();
777 if (value < 0) error (SWT.ERROR_INVALID_ARGUMENT);
778 if (value == this.digits) return;
779 this.digits = value;
780 int pos;
781 if (OS.IsWinCE) {
782 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
783 } else {
784 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
785 }
786 setSelection (pos, false, true, false);
787 }
788
789 void setForegroundPixel (int pixel) {
790 super.setForegroundPixel (pixel);
791 OS.InvalidateRect (hwndText, null, true);
792 }
793
794
806 public void setIncrement (int value) {
807 checkWidget ();
808 if (value < 1) return;
809 int hHeap = OS.GetProcessHeap ();
810 int count = OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 0, (UDACCEL)null);
811 int udaccels = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, UDACCEL.sizeof * count);
812 OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, count, udaccels);
813 int first = -1;
814 UDACCEL udaccel = new UDACCEL ();
815 for (int i = 0; i < count; i++) {
816 int offset = udaccels + (i * UDACCEL.sizeof);
817 OS.MoveMemory (udaccel, offset, UDACCEL.sizeof);
818 if (first == -1) first = udaccel.nInc;
819 udaccel.nInc = udaccel.nInc * value / first;
820 OS.MoveMemory (offset, udaccel, UDACCEL.sizeof);
821 }
822 OS.SendMessage (hwndUpDown, OS.UDM_SETACCEL, count, udaccels);
823 OS.HeapFree (hHeap, 0, udaccels);
824 }
825
826
839 public void setMaximum (int value) {
840 checkWidget ();
841 if (value < 0) return;
842 int [] min = new int [1];
843 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null);
844 if (value <= min [0]) return;
845 int pos;
846 if (OS.IsWinCE) {
847 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
848 } else {
849 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
850 }
851 OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, min [0], value);
852 if (pos > value) setSelection (value, true, true, false);
853 }
854
855
868 public void setMinimum (int value) {
869 checkWidget ();
870 if (value < 0) return;
871 int [] max = new int [1];
872 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
873 if (value >= max [0]) return;
874 int pos;
875 if (OS.IsWinCE) {
876 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
877 } else {
878 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
879 }
880 OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, value, max [0]);
881 if (pos < value) setSelection (value, true, true, false);
882 }
883
884
896 public void setPageIncrement (int value) {
897 checkWidget ();
898 if (value < 1) return;
899 pageIncrement = value;
900 }
901
902
915 public void setSelection (int value) {
916 checkWidget ();
917 int [] max = new int [1], min = new int [1];
918 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
919 value = Math.min (Math.max (min [0], value), max [0]);
920 setSelection (value, true, true, false);
921 }
922
923 void setSelection (int value, boolean setPos, boolean setText, boolean notify) {
924 if (setPos) {
925 OS.SendMessage (hwndUpDown , OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, value);
926 }
927 if (setText) {
928 String string = String.valueOf (value);
929 if (digits > 0) {
930 String decimalSeparator = getDecimalSeparator ();
931 int index = string.length () - digits;
932 StringBuffer buffer = new StringBuffer ();
933 if (index > 0) {
934 buffer.append (string.substring (0, index));
935 buffer.append (decimalSeparator);
936 buffer.append (string.substring (index));
937 } else {
938 buffer.append ("0");
939 buffer.append (decimalSeparator);
940 while (index++ < 0) buffer.append ("0");
941 buffer.append (string);
942 }
943 string = buffer.toString ();
944 }
945 if (hooks (SWT.Verify) || filters (SWT.Verify)) {
946 int length = OS.GetWindowTextLength (hwndText);
947 string = verifyText (string, 0, length, null);
948 if (string == null) return;
949 }
950 TCHAR buffer = new TCHAR (getCodePage (), string, true);
951 OS.SetWindowText (hwndText, buffer);
952 }
953 if (notify) postEvent (SWT.Selection);
954 }
955
956 void setToolTipText (Shell shell, String string) {
957 shell.setToolTipText (hwndText, string);
958 shell.setToolTipText (hwndUpDown, string);
959 }
960
961
984 public void setValues (int selection, int minimum, int maximum, int digits, int increment, int pageIncrement) {
985 checkWidget ();
986 if (minimum < 0) return;
987 if (maximum <= minimum) return;
988 if (digits < 0) return;
989 if (increment < 1) return;
990 if (pageIncrement < 1) return;
991 selection = Math.min (Math.max (minimum, selection), maximum);
992 setIncrement (increment);
993 this.pageIncrement = pageIncrement;
994 this.digits = digits;
995 OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, minimum, maximum);
996 setSelection (selection, true, true, false);
997 }
998
999 void subclass () {
1000 super.subclass ();
1001 int newProc = display.windowProc;
1002 OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, newProc);
1003 OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, newProc);
1004}
1005
1006void unsubclass () {
1007 super.unsubclass ();
1008 OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, EditProc);
1009 OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, UpDownProc);
1010}
1011
1012String verifyText (String string, int start, int end, Event keyEvent) {
1013 Event event = new Event ();
1014 event.text = string;
1015 event.start = start;
1016 event.end = end;
1017 if (keyEvent != null) {
1018 event.character = keyEvent.character;
1019 event.keyCode = keyEvent.keyCode;
1020 event.stateMask = keyEvent.stateMask;
1021 }
1022 int index = 0;
1023 if (digits > 0) {
1024 String decimalSeparator = getDecimalSeparator ();
1025 index = string.indexOf (decimalSeparator);
1026 if (index != -1) {
1027 string = string.substring (0, index) + string.substring (index + 1);
1028 }
1029 index = 0;
1030 }
1031 while (index < string.length ()) {
1032 if (!Character.isDigit (string.charAt (index))) break;
1033 index++;
1034 }
1035 event.doit = index == string.length ();
1036 if (!OS.IsUnicode && OS.IsDBLocale) {
1037 event.start = mbcsToWcsPos (start);
1038 event.end = mbcsToWcsPos (end);
1039 }
1040 sendEvent (SWT.Verify, event);
1041 if (!event.doit || isDisposed ()) return null;
1042 return event.text;
1043}
1044
1045int widgetExtStyle () {
1046 return super.widgetExtStyle () & ~OS.WS_EX_CLIENTEDGE;
1047}
1048
1049int windowProc (int hwnd, int msg, int wParam, int lParam) {
1050 if (hwnd == hwndText || hwnd == hwndUpDown) {
1051 LRESULT result = null;
1052 switch (msg) {
1053
1054 case OS.WM_CHAR: result = wmChar (hwnd, wParam, lParam); break;
1055 case OS.WM_IME_CHAR: result = wmIMEChar (hwnd, wParam, lParam); break;
1056 case OS.WM_KEYDOWN: result = wmKeyDown (hwnd, wParam, lParam); break;
1057 case OS.WM_KEYUP: result = wmKeyUp (hwnd, wParam, lParam); break;
1058 case OS.WM_SYSCHAR: result = wmSysChar (hwnd, wParam, lParam); break;
1059 case OS.WM_SYSKEYDOWN: result = wmSysKeyDown (hwnd, wParam, lParam); break;
1060 case OS.WM_SYSKEYUP: result = wmSysKeyUp (hwnd, wParam, lParam); break;
1061
1062
1063 case OS.WM_CAPTURECHANGED: result = wmCaptureChanged (hwnd, wParam, lParam); break;
1064 case OS.WM_LBUTTONDBLCLK: result = wmLButtonDblClk (hwnd, wParam, lParam); break;
1065 case OS.WM_LBUTTONDOWN: result = wmLButtonDown (hwnd, wParam, lParam); break;
1066 case OS.WM_LBUTTONUP: result = wmLButtonUp (hwnd, wParam, lParam); break;
1067 case OS.WM_MBUTTONDBLCLK: result = wmMButtonDblClk (hwnd, wParam, lParam); break;
1068 case OS.WM_MBUTTONDOWN: result = wmMButtonDown (hwnd, wParam, lParam); break;
1069 case OS.WM_MBUTTONUP: result = wmMButtonUp (hwnd, wParam, lParam); break;
1070 case OS.WM_MOUSEHOVER: result = wmMouseHover (hwnd, wParam, lParam); break;
1071 case OS.WM_MOUSELEAVE: result = wmMouseLeave (hwnd, wParam, lParam); break;
1072 case OS.WM_MOUSEMOVE: result = wmMouseMove (hwnd, wParam, lParam); break;
1073 case OS.WM_RBUTTONDBLCLK: result = wmRButtonDblClk (hwnd, wParam, lParam); break;
1075 case OS.WM_RBUTTONDOWN: result = wmRButtonDown (hwnd, wParam, lParam); break;
1076 case OS.WM_RBUTTONUP: result = wmRButtonUp (hwnd, wParam, lParam); break;
1077 case OS.WM_XBUTTONDBLCLK: result = wmXButtonDblClk (hwnd, wParam, lParam); break;
1078 case OS.WM_XBUTTONDOWN: result = wmXButtonDown (hwnd, wParam, lParam); break;
1079 case OS.WM_XBUTTONUP: result = wmXButtonUp (hwnd, wParam, lParam); break;
1080
1081
1082 case OS.WM_SETFOCUS: result = wmSetFocus (hwnd, wParam, lParam); break;
1083 case OS.WM_KILLFOCUS: result = wmKillFocus (hwnd, wParam, lParam); break;
1084
1085
1086 case OS.WM_PAINT: result = wmPaint (hwnd, wParam, lParam); break;
1087 case OS.WM_PRINT: result = wmPrint (hwnd, wParam, lParam); break;
1088
1089
1090 case OS.WM_CONTEXTMENU: result = wmContextMenu (hwnd, wParam, lParam); break;
1091
1092
1093 case OS.WM_CLEAR:
1094 case OS.WM_CUT:
1095 case OS.WM_PASTE:
1096 case OS.WM_UNDO:
1097 case OS.EM_UNDO:
1098 if (hwnd == hwndText) {
1099 result = wmClipboard (hwnd, msg, wParam, lParam);
1100 }
1101 break;
1102 }
1103 if (result != null) return result.value;
1104 return callWindowProc (hwnd, msg, wParam, lParam);
1105 }
1106 return super.windowProc (hwnd, msg, wParam, lParam);
1107}
1108
1109LRESULT WM_ERASEBKGND (int wParam, int lParam) {
1110 super.WM_ERASEBKGND (wParam, lParam);
1111 drawBackground (wParam);
1112 return LRESULT.ONE;
1113}
1114
1115LRESULT WM_KILLFOCUS (int wParam, int lParam) {
1116 return null;
1117}
1118
1119LRESULT WM_SETFOCUS (int wParam, int lParam) {
1120 OS.SetFocus (hwndText);
1121 return null;
1122}
1123
1124LRESULT WM_SETFONT (int wParam, int lParam) {
1125 LRESULT result = super.WM_SETFONT (wParam, lParam);
1126 if (result != null) return result;
1127 OS.SendMessage (hwndText, OS.WM_SETFONT, wParam, lParam);
1128 return result;
1129}
1130
1131LRESULT WM_SIZE (int wParam, int lParam) {
1132 LRESULT result = super.WM_SIZE (wParam, lParam);
1133 if (isDisposed ()) return result;
1134 int width = lParam & 0xFFFF, height = lParam >> 16;
1135 int upDownWidth = OS.GetSystemMetrics (OS.SM_CXVSCROLL);
1136 int textWidth = width - upDownWidth;
1137 int border = OS.GetSystemMetrics (OS.SM_CXEDGE);
1138 int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
1139 SetWindowPos (hwndText, 0, 0, 0, textWidth + border, height, flags);
1140 SetWindowPos (hwndUpDown, 0, textWidth, 0, upDownWidth, height, flags);
1141 return result;
1142}
1143
1144LRESULT wmChar (int hwnd, int wParam, int lParam) {
1145 LRESULT result = super.wmChar (hwnd, wParam, lParam);
1146 if (result != null) return result;
1147
1154 switch (wParam) {
1155 case SWT.CR:
1156 postEvent (SWT.DefaultSelection);
1157 case SWT.TAB:
1159 case SWT.ESC: return LRESULT.ZERO;
1160 }
1161 return result;
1162}
1163
1164LRESULT wmClipboard (int hwndText, int msg, int wParam, int lParam) {
1165 if ((style & SWT.READ_ONLY) != 0) return null;
1166 boolean call = false;
1168 int [] start = new int [1], end = new int [1];
1169 String newText = null;
1170 switch (msg) {
1171 case OS.WM_CLEAR:
1172 case OS.WM_CUT:
1173 OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
1174 if (start [0] != end [0]) {
1175 newText = "";
1176 call = true;
1177 }
1178 break;
1179 case OS.WM_PASTE:
1180 OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
1181 newText = getClipboardText ();
1182 break;
1183 case OS.EM_UNDO:
1184 case OS.WM_UNDO:
1185 if (OS.SendMessage (hwndText, OS.EM_CANUNDO, 0, 0) != 0) {
1186 ignoreModify = true;
1187 OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
1188 OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
1189 int length = OS.GetWindowTextLength (hwndText);
1190 int [] newStart = new int [1], newEnd = new int [1];
1191 OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
1192 if (length != 0 && newStart [0] != newEnd [0]) {
1193 TCHAR buffer = new TCHAR (getCodePage (), length + 1);
1194 OS.GetWindowText (hwndText, buffer, length + 1);
1195 newText = buffer.toString (newStart [0], newEnd [0] - newStart [0]);
1196 } else {
1197 newText = "";
1198 }
1199 OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
1200 ignoreModify = false;
1201 }
1202 break;
1203 }
1204 if (newText != null) {
1205 String oldText = newText;
1206 newText = verifyText (newText, start [0], end [0], null);
1207 if (newText == null) return LRESULT.ZERO;
1208 if (!newText.equals (oldText)) {
1209 if (call) {
1210 OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
1211 }
1212 TCHAR buffer = new TCHAR (getCodePage (), newText, true);
1213 if (msg == OS.WM_SETTEXT) {
1214 int hHeap = OS.GetProcessHeap ();
1215 int byteCount = buffer.length () * TCHAR.sizeof;
1216 int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
1217 OS.MoveMemory (pszText, buffer, byteCount);
1218 int code = OS.CallWindowProc (EditProc, hwndText, msg, wParam, pszText);
1219 OS.HeapFree (hHeap, 0, pszText);
1220 return new LRESULT (code);
1221 } else {
1222 OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer);
1223 return LRESULT.ZERO;
1224 }
1225 }
1226 }
1227 return null;
1228}
1229
1230LRESULT wmCommandChild (int wParam, int lParam) {
1231 int code = wParam >> 16;
1232 switch (code) {
1233 case OS.EN_CHANGE:
1234 if (ignoreModify) break;
1235 int value = getSelectionText ();
1236 if (value != -1) {
1237 int pos;
1238 if (OS.IsWinCE) {
1239 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
1240 } else {
1241 pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
1242 }
1243 if (pos != value) setSelection (value, true, false, true);
1244 }
1245 sendEvent (SWT.Modify);
1246 if (isDisposed ()) return LRESULT.ZERO;
1247 break;
1248 }
1249 return super.wmCommandChild (wParam, lParam);
1250}
1251
1252LRESULT wmKeyDown (int hwnd, int wParam, int lParam) {
1253 LRESULT result = super.wmKeyDown (hwnd, wParam, lParam);
1254 if (result != null) return result;
1255
1256
1257 UDACCEL udaccel = new UDACCEL ();
1258 OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel);
1259 int delta = 0;
1260 switch (wParam) {
1261 case OS.VK_UP: delta = udaccel.nInc; break;
1262 case OS.VK_DOWN: delta = -udaccel.nInc; break;
1263 case OS.VK_PRIOR: delta = pageIncrement; break;
1264 case OS.VK_NEXT: delta = -pageIncrement; break;
1265 }
1266 if (delta != 0) {
1267 int value = getSelectionText ();
1268 if (value != -1) {
1269 if (OS.IsWinCE) {
1270 value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
1271 } else {
1272 value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
1273 }
1274 }
1275 int newValue = value + delta;
1276 int [] max = new int [1], min = new int [1];
1277 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
1278 if ((style & SWT.WRAP) != 0) {
1279 if (newValue < min [0]) newValue = max [0];
1280 if (newValue > max [0]) newValue = min [0];
1281 }
1282 newValue = Math.min (Math.max (min [0], newValue), max [0]);
1283 if (value != newValue) setSelection (newValue, true, true, true);
1284 }
1285
1286
1287 switch (wParam) {
1288 case OS.VK_UP:
1289 case OS.VK_DOWN:
1290 return LRESULT.ZERO;
1291 }
1292 return result;
1293}
1294
1295LRESULT wmKillFocus (int hwnd, int wParam, int lParam) {
1296 int value = getSelectionText ();
1297 if (value == -1) {
1298 if (OS.IsWinCE) {
1299 value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
1300 } else {
1301 value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
1302 }
1303 setSelection (value, false, true, false);
1304 }
1305 return super.wmKillFocus (hwnd, wParam, lParam);
1306}
1307
1308LRESULT wmNotifyChild (NMHDR hdr, int wParam, int lParam) {
1309 switch (hdr.code) {
1310 case OS.UDN_DELTAPOS:
1311 NMUPDOWN lpnmud = new NMUPDOWN ();
1312 OS.MoveMemory (lpnmud, lParam, NMUPDOWN.sizeof);
1313 int value = lpnmud.iPos + lpnmud.iDelta;
1314 int [] max = new int [1], min = new int [1];
1315 OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
1316 if ((style & SWT.WRAP) != 0) {
1317 if (value < min [0]) value = max [0];
1318 if (value > max [0]) value = min [0];
1319 }
1320
1328 value = Math.min (Math.max (min [0], value), max [0]);
1329 if (value != lpnmud.iPos) {
1330 setSelection (value, true, true, true);
1331 }
1332 return LRESULT.ONE;
1333 }
1334 return super.wmNotifyChild (hdr, wParam, lParam);
1335}
1336
1337LRESULT wmScrollChild (int wParam, int lParam) {
1338 int code = wParam & 0xFFFF;
1339 switch (code) {
1340 case OS.SB_THUMBPOSITION:
1341 postEvent (SWT.Selection);
1342 break;
1343 }
1344 return super.wmScrollChild (wParam, lParam);
1345}
1346
1347}
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