diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Spinner.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Spinner.java | 1343 |
1 files changed, 0 insertions, 1343 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Spinner.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Spinner.java deleted file mode 100644 index 3d809a6d63..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Spinner.java +++ /dev/null @@ -1,1343 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - - -import org.eclipse.swt.*; -import org.eclipse.swt.internal.win32.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; - -/** - * Instances of this class are selectable user interface - * objects that allow the user to enter and modify numeric - * values. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>READ_ONLY, WRAP</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection, Modify</dd> - * </dl> - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @since 3.1 - */ -public class Spinner extends Composite { - int hwndText, hwndUpDown; - boolean ignoreModify; - int pageIncrement, digits; - static final int EditProc; - static final TCHAR EditClass = new TCHAR (0, "EDIT", true); - static final int UpDownProc; - static final TCHAR UpDownClass = new TCHAR (0, OS.UPDOWN_CLASS, true); - static { - WNDCLASS lpWndClass = new WNDCLASS (); - OS.GetClassInfo (0, EditClass, lpWndClass); - EditProc = lpWndClass.lpfnWndProc; - OS.GetClassInfo (0, UpDownClass, lpWndClass); - UpDownProc = lpWndClass.lpfnWndProc; - } - -/** - * Constructs a new instance of this class given its parent - * and a style value describing its behavior and appearance. - * <p> - * The style value is either one of the style constants defined in - * class <code>SWT</code> which is applicable to instances of this - * class, or must be built by <em>bitwise OR</em>'ing together - * (that is, using the <code>int</code> "|" operator) two or more - * of those <code>SWT</code> style constants. The class description - * lists the style constants that are applicable to the class. - * Style bits are also inherited from superclasses. - * </p> - * - * @param parent a composite control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> - * </ul> - * - * @see SWT#READ_ONLY - * @see SWT#WRAP - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Spinner (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -int callWindowProc (int hwnd, int msg, int wParam, int lParam) { - if (handle == 0) return 0; - if (hwnd == hwndText) { - return OS.CallWindowProc (EditProc, hwnd, msg, wParam, lParam); - } - if (hwnd == hwndUpDown) { - return OS.CallWindowProc (UpDownProc, hwnd, msg, wParam, lParam); - } - return OS.DefWindowProc (handle, msg, wParam, lParam); -} - -static int checkStyle (int style) { - /* - * Even though it is legal to create this widget - * with scroll bars, they serve no useful purpose - * because they do not automatically scroll the - * widget's client area. The fix is to clear - * the SWT style. - */ - return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); -} - -boolean checkHandle (int hwnd) { - return hwnd == handle || hwnd == hwndText || hwnd == hwndUpDown; -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void createHandle () { - super.createHandle (); - state &= ~(CANVAS | THEME_BACKGROUND); - int hInstance = OS.GetModuleHandle (null); - int textExStyle = (style & SWT.BORDER) != 0 ? OS.WS_EX_CLIENTEDGE : 0; - int textStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.ES_AUTOHSCROLL | OS.WS_CLIPSIBLINGS; - if ((style & SWT.READ_ONLY) != 0) textStyle |= OS.ES_READONLY; - if (OS.WIN32_VERSION >= OS.VERSION (4, 10)) { - if ((style & SWT.RIGHT_TO_LEFT) != 0) textExStyle |= OS.WS_EX_LAYOUTRTL; - } - hwndText = OS.CreateWindowEx ( - textExStyle, - EditClass, - null, - textStyle, - 0, 0, 0, 0, - handle, - 0, - hInstance, - null); - if (hwndText == 0) error (SWT.ERROR_NO_HANDLES); - OS.SetWindowLong (hwndText, OS.GWL_ID, hwndText); - int upDownStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.UDS_AUTOBUDDY; - if ((style & SWT.WRAP) != 0) upDownStyle |= OS.UDS_WRAP; - if ((style & SWT.BORDER) != 0) { - if ((style & SWT.RIGHT_TO_LEFT) != 0) { - upDownStyle |= OS.UDS_ALIGNLEFT; - } else { - upDownStyle |= OS.UDS_ALIGNRIGHT; - } - } - hwndUpDown = OS.CreateWindowEx ( - 0, - UpDownClass, - null, - upDownStyle, - 0, 0, 0, 0, - handle, - 0, - hInstance, - null); - if (hwndUpDown == 0) error (SWT.ERROR_NO_HANDLES); - int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE; - SetWindowPos (hwndText, hwndUpDown, 0, 0, 0, 0, flags); - OS.SetWindowLong (hwndUpDown, OS.GWL_ID, hwndUpDown); - if (OS.IsDBLocale) { - int hIMC = OS.ImmGetContext (handle); - OS.ImmAssociateContext (hwndText, hIMC); - OS.ImmAssociateContext (hwndUpDown, hIMC); - OS.ImmReleaseContext (handle, hIMC); - } - OS.SendMessage (hwndUpDown, OS.UDM_SETRANGE32, 0, 100); - OS.SendMessage (hwndUpDown, OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, 0); - pageIncrement = 10; - digits = 0; - TCHAR buffer = new TCHAR (getCodePage (), "0", true); - OS.SetWindowText (hwndText, buffer); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's text is modified, by sending - * it one of the messages defined in the <code>ModifyListener</code> - * interface. - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see ModifyListener - * @see #removeModifyListener - */ -public void addModifyListener (ModifyListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Modify, typedListener); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the control is selected, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is not called for texts. - * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text. - * </p> - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #removeSelectionListener - * @see SelectionEvent - */ -public void addSelectionListener(SelectionListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Selection,typedListener); - addListener (SWT.DefaultSelection,typedListener); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's text is verified, by sending - * it one of the messages defined in the <code>VerifyListener</code> - * interface. - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see VerifyListener - * @see #removeVerifyListener - */ -void addVerifyListener (VerifyListener listener) { - checkWidget(); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Verify, typedListener); -} - -int borderHandle () { - return hwndText; -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget (); - int width = 0, height = 0; - if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) { - int newFont, oldFont = 0; - int hDC = OS.GetDC (hwndText); - newFont = OS.SendMessage (hwndText, OS.WM_GETFONT, 0, 0); - if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont); - TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA (); - OS.GetTextMetrics (hDC, tm); - height = tm.tmHeight; - RECT rect = new RECT (); - int [] max = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max); - String string = String.valueOf (max [0]); - if (digits > 0) { - StringBuffer buffer = new StringBuffer (); - buffer.append (string); - buffer.append (getDecimalSeparator ()); - int count = digits - string.length (); - while (count >= 0) { - buffer.append ("0"); - count--; - } - string = buffer.toString (); - } - TCHAR buffer = new TCHAR (getCodePage (), string, false); - int flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_NOPREFIX; - OS.DrawText (hDC, buffer, buffer.length (), rect, flags); - width = rect.right - rect.left; - if (newFont != 0) OS.SelectObject (hDC, oldFont); - OS.ReleaseDC (hwndText, hDC); - } - if (width == 0) width = DEFAULT_WIDTH; - if (height == 0) height = DEFAULT_HEIGHT; - if (wHint != SWT.DEFAULT) width = wHint; - if (hHint != SWT.DEFAULT) height = hHint; - Rectangle trim = computeTrim (0, 0, width, height); - if (hHint == SWT.DEFAULT) { - int upDownHeight = OS.GetSystemMetrics (OS.SM_CYVSCROLL) + 2 * getBorderWidth (); - trim.height = Math.max (trim.height, upDownHeight); - } - return new Point (trim.width, trim.height); -} - -public Rectangle computeTrim (int x, int y, int width, int height) { - checkWidget (); - - /* Get the trim of the text control */ - RECT rect = new RECT (); - OS.SetRect (rect, x, y, x + width, y + height); - int bits0 = OS.GetWindowLong (hwndText, OS.GWL_STYLE); - int bits1 = OS.GetWindowLong (hwndText, OS.GWL_EXSTYLE); - OS.AdjustWindowRectEx (rect, bits0, false, bits1); - width = rect.right - rect.left; - height = rect.bottom - rect.top; - - /* - * The preferred height of a single-line text widget - * has been hand-crafted to be the same height as - * the single-line text widget in an editable combo - * box. - */ - int margins = OS.SendMessage (hwndText, OS.EM_GETMARGINS, 0, 0); - x -= margins & 0xFFFF; - width += (margins & 0xFFFF) + ((margins >> 16) & 0xFFFF); - if ((style & SWT.BORDER) != 0) { - x -= 1; - y -= 1; - width += 2; - height += 2; - } - width += OS.GetSystemMetrics (OS.SM_CXVSCROLL); - return new Rectangle (x, y, width, height); -} - -/** - * Copies the selected text. - * <p> - * The current selection is copied to the clipboard. - * </p> - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void copy () { - checkWidget (); - OS.SendMessage (hwndText, OS.WM_COPY, 0, 0); -} - -/** - * Cuts the selected text. - * <p> - * The current selection is first copied to the - * clipboard and then deleted from the widget. - * </p> - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void cut () { - checkWidget (); - if ((style & SWT.READ_ONLY) != 0) return; - OS.SendMessage (hwndText, OS.WM_CUT, 0, 0); -} - -int defaultBackground () { - return OS.GetSysColor (OS.COLOR_WINDOW); -} - -void enableWidget (boolean enabled) { - super.enableWidget (enabled); - OS.EnableWindow (hwndText, enabled); - OS.EnableWindow (hwndUpDown, enabled); -} - -void deregister () { - super.deregister (); - display.removeControl (hwndText); - display.removeControl (hwndUpDown); -} - -boolean hasFocus () { - int hwndFocus = OS.GetFocus (); - if (hwndFocus == handle) return true; - if (hwndFocus == hwndText) return true; - if (hwndFocus == hwndUpDown) return true; - return false; -} - -/** - * Returns the number of decimal places used by the receiver. - * - * @return the digits - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getDigits () { - checkWidget (); - return digits; -} - -String getDecimalSeparator () { - TCHAR tchar = new TCHAR (getCodePage (), 4); - int size = OS.GetLocaleInfo (OS.LOCALE_USER_DEFAULT, OS.LOCALE_SDECIMAL, tchar, 4); - return size != 0 ? tchar.toString (0, size - 1) : "."; -} - -/** - * Returns the amount that the receiver's value will be - * modified by when the up/down arrows are pressed. - * - * @return the increment - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getIncrement () { - checkWidget (); - UDACCEL udaccel = new UDACCEL (); - OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel); - return udaccel.nInc; -} - -/** - * Returns the maximum value which the receiver will allow. - * - * @return the maximum - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getMaximum () { - checkWidget (); - int [] max = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max); - return max [0]; -} - -/** - * Returns the minimum value which the receiver will allow. - * - * @return the minimum - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getMinimum () { - checkWidget (); - int [] min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null); - return min [0]; -} - -/** - * Returns the amount that the receiver's position will be - * modified by when the page up/down keys are pressed. - * - * @return the page increment - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getPageIncrement () { - checkWidget (); - return pageIncrement; -} - -/** - * Returns the <em>selection</em>, which is the receiver's position. - * - * @return the selection - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getSelection () { - checkWidget (); - if (OS.IsWinCE) { - return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } -} - -int getSelectionText () { - int length = OS.GetWindowTextLength (hwndText); - TCHAR buffer = new TCHAR (getCodePage (), length + 1); - OS.GetWindowText (hwndText, buffer, length + 1); - String string = buffer.toString (0, length); - try { - int value; - if (digits > 0) { - String decimalSeparator = getDecimalSeparator (); - int index = string.indexOf (decimalSeparator); - if (index != -1) { - String wholePart = string.substring (0, index); - String decimalPart = string.substring (index + 1); - if (decimalPart.length () > digits) { - decimalPart = decimalPart.substring (0, digits); - } else { - int i = digits - decimalPart.length (); - for (int j = 0; j < i; j++) { - decimalPart = decimalPart + "0"; - } - } - int wholeValue = Integer.parseInt (wholePart); - int decimalValue = Integer.parseInt (decimalPart); - for (int i = 0; i < digits; i++) wholeValue *= 10; - value = wholeValue + decimalValue; - } else { - value = Integer.parseInt (string); - } - } else { - value = Integer.parseInt (string); - } - int [] max = new int [1], min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max); - if (min [0] <= value && value <= max [0]) return value; - } catch (NumberFormatException e) { - } - return -1; -} - -int mbcsToWcsPos (int mbcsPos) { - if (mbcsPos <= 0) return 0; - if (OS.IsUnicode) return mbcsPos; - int mbcsSize = OS.GetWindowTextLengthA (hwndText); - if (mbcsSize == 0) return 0; - if (mbcsPos >= mbcsSize) return mbcsSize; - byte [] buffer = new byte [mbcsSize + 1]; - OS.GetWindowTextA (hwndText, buffer, mbcsSize + 1); - return OS.MultiByteToWideChar (getCodePage (), OS.MB_PRECOMPOSED, buffer, mbcsPos, null, 0); -} - -/** - * Pastes text from clipboard. - * <p> - * The selected text is deleted from the widget - * and new text inserted from the clipboard. - * </p> - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void paste () { - checkWidget (); - if ((style & SWT.READ_ONLY) != 0) return; - OS.SendMessage (hwndText, OS.WM_PASTE, 0, 0); -} - -void register () { - super.register (); - display.addControl (hwndText, this); - display.addControl (hwndUpDown, this); -} - -void releaseHandle () { - super.releaseHandle (); - hwndText = hwndUpDown = 0; -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver's text is modified. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see ModifyListener - * @see #addModifyListener - */ -public void removeModifyListener (ModifyListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Modify, listener); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the control is selected. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #addSelectionListener - */ -public void removeSelectionListener(SelectionListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Selection, listener); - eventTable.unhook (SWT.DefaultSelection,listener); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the control is verified. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see VerifyListener - * @see #addVerifyListener - */ -void removeVerifyListener (VerifyListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Verify, listener); -} - -boolean sendKeyEvent (int type, int msg, int wParam, int lParam, Event event) { - if (!super.sendKeyEvent (type, msg, wParam, lParam, event)) { - return false; - } - if ((style & SWT.READ_ONLY) != 0) return true; - if (type != SWT.KeyDown) return true; - if (msg != OS.WM_CHAR && msg != OS.WM_KEYDOWN && msg != OS.WM_IME_CHAR) { - return true; - } - if (event.character == 0) return true; -// if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return true; - char key = event.character; - int stateMask = event.stateMask; - - /* - * Disable all magic keys that could modify the text - * and don't send events when Alt, Shift or Ctrl is - * pressed. - */ - switch (msg) { - case OS.WM_CHAR: - if (key != 0x08 && key != 0x7F && key != '\r' && key != '\t' && key != '\n') break; - // FALL THROUGH - case OS.WM_KEYDOWN: - if ((stateMask & (SWT.ALT | SWT.SHIFT | SWT.CONTROL)) != 0) return false; - break; - } - - /* - * If the left button is down, the text widget refuses the character. - */ - if (OS.GetKeyState (OS.VK_LBUTTON) < 0) { - return true; - } - - /* Verify the character */ - String oldText = ""; - int [] start = new int [1], end = new int [1]; - OS.SendMessage (hwndText, OS.EM_GETSEL, start, end); - switch (key) { - case 0x08: /* Bs */ - if (start [0] == end [0]) { - if (start [0] == 0) return true; - start [0] = start [0] - 1; - if (!OS.IsUnicode && OS.IsDBLocale) { - int [] newStart = new int [1], newEnd = new int [1]; - OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]); - OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd); - if (start [0] != newStart [0]) start [0] = start [0] - 1; - } - start [0] = Math.max (start [0], 0); - } - break; - case 0x7F: /* Del */ - if (start [0] == end [0]) { - int length = OS.GetWindowTextLength (hwndText); - if (start [0] == length) return true; - end [0] = end [0] + 1; - if (!OS.IsUnicode && OS.IsDBLocale) { - int [] newStart = new int [1], newEnd = new int [1]; - OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]); - OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd); - if (end [0] != newEnd [0]) end [0] = end [0] + 1; - } - end [0] = Math.min (end [0], length); - } - break; - case '\r': /* Return */ - return true; - default: /* Tab and other characters */ - if (key != '\t' && key < 0x20) return true; - oldText = new String (new char [] {key}); - break; - } - String newText = verifyText (oldText, start [0], end [0], event); - if (newText == null) return false; - if (newText == oldText) return true; - TCHAR buffer = new TCHAR (getCodePage (), newText, true); - OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]); - OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer); - return false; -} - -void setBackgroundImage (int hBitmap) { - super.setBackgroundImage (hBitmap); - OS.InvalidateRect (hwndText, null, true); -} - -void setBackgroundPixel (int pixel) { - super.setBackgroundPixel (pixel); - OS.InvalidateRect (hwndText, null, true); -} - -/** - * Sets the number of decimal places used by the receiver. - * <p> - * The digit setting is used to allow for floating point values in the receiver. - * For example, to set the selection to a floating point value of 1.37 call setDigits() with - * a value of 2 and setSelection() with a value of 137. Similarly, if getDigits() has a value - * of 2 and getSelection() returns 137 this should be interpreted as 1.37. This applies to all - * numeric APIs. - * </p> - * - * @param value the new digits (must be greater than or equal to zero) - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the value is less than zero</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setDigits (int value) { - checkWidget (); - if (value < 0) error (SWT.ERROR_INVALID_ARGUMENT); - if (value == this.digits) return; - this.digits = value; - int pos; - if (OS.IsWinCE) { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - setSelection (pos, false, true, false); -} - -void setForegroundPixel (int pixel) { - super.setForegroundPixel (pixel); - OS.InvalidateRect (hwndText, null, true); -} - -/** - * Sets the amount that the receiver's value will be - * modified by when the up/down arrows are pressed to - * the argument, which must be at least one. - * - * @param value the new increment (must be greater than zero) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setIncrement (int value) { - checkWidget (); - if (value < 1) return; - int hHeap = OS.GetProcessHeap (); - int count = OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 0, (UDACCEL)null); - int udaccels = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, UDACCEL.sizeof * count); - OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, count, udaccels); - int first = -1; - UDACCEL udaccel = new UDACCEL (); - for (int i = 0; i < count; i++) { - int offset = udaccels + (i * UDACCEL.sizeof); - OS.MoveMemory (udaccel, offset, UDACCEL.sizeof); - if (first == -1) first = udaccel.nInc; - udaccel.nInc = udaccel.nInc * value / first; - OS.MoveMemory (offset, udaccel, UDACCEL.sizeof); - } - OS.SendMessage (hwndUpDown, OS.UDM_SETACCEL, count, udaccels); - OS.HeapFree (hHeap, 0, udaccels); -} - -/** - * Sets the maximum value that the receiver will allow. This new - * value will be ignored if it is not greater than the receiver's current - * minimum value. If the new maximum is applied then the receiver's - * selection value will be adjusted if necessary to fall within its new range. - * - * @param value the new maximum, which must be greater than the current minimum - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setMaximum (int value) { - checkWidget (); - if (value < 0) return; - int [] min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null); - if (value <= min [0]) return; - int pos; - if (OS.IsWinCE) { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, min [0], value); - if (pos > value) setSelection (value, true, true, false); -} - -/** - * Sets the minimum value that the receiver will allow. This new - * value will be ignored if it is negative or is not less than the receiver's - * current maximum value. If the new minimum is applied then the receiver's - * selection value will be adjusted if necessary to fall within its new range. - * - * @param value the new minimum, which must be nonnegative and less than the current maximum - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setMinimum (int value) { - checkWidget (); - if (value < 0) return; - int [] max = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max); - if (value >= max [0]) return; - int pos; - if (OS.IsWinCE) { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, value, max [0]); - if (pos < value) setSelection (value, true, true, false); -} - -/** - * Sets the amount that the receiver's position will be - * modified by when the page up/down keys are pressed - * to the argument, which must be at least one. - * - * @param value the page increment (must be greater than zero) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setPageIncrement (int value) { - checkWidget (); - if (value < 1) return; - pageIncrement = value; -} - -/** - * Sets the <em>selection</em>, which is the receiver's - * position, to the argument. If the argument is not within - * the range specified by minimum and maximum, it will be - * adjusted to fall within this range. - * - * @param value the new selection (must be zero or greater) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setSelection (int value) { - checkWidget (); - int [] max = new int [1], min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max); - value = Math.min (Math.max (min [0], value), max [0]); - setSelection (value, true, true, false); -} - -void setSelection (int value, boolean setPos, boolean setText, boolean notify) { - if (setPos) { - OS.SendMessage (hwndUpDown , OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, value); - } - if (setText) { - String string = String.valueOf (value); - if (digits > 0) { - String decimalSeparator = getDecimalSeparator (); - int index = string.length () - digits; - StringBuffer buffer = new StringBuffer (); - if (index > 0) { - buffer.append (string.substring (0, index)); - buffer.append (decimalSeparator); - buffer.append (string.substring (index)); - } else { - buffer.append ("0"); - buffer.append (decimalSeparator); - while (index++ < 0) buffer.append ("0"); - buffer.append (string); - } - string = buffer.toString (); - } - if (hooks (SWT.Verify) || filters (SWT.Verify)) { - int length = OS.GetWindowTextLength (hwndText); - string = verifyText (string, 0, length, null); - if (string == null) return; - } - TCHAR buffer = new TCHAR (getCodePage (), string, true); - OS.SetWindowText (hwndText, buffer); - } - if (notify) postEvent (SWT.Selection); -} - -void setToolTipText (Shell shell, String string) { - shell.setToolTipText (hwndText, string); - shell.setToolTipText (hwndUpDown, string); -} - -/** - * Sets the receiver's selection, minimum value, maximum - * value, digits, increment and page increment all at once. - * <p> - * Note: This is similar to setting the values individually - * using the appropriate methods, but may be implemented in a - * more efficient fashion on some platforms. - * </p> - * - * @param selection the new selection value - * @param minimum the new minimum value - * @param maximum the new maximum value - * @param digits the new digits value - * @param increment the new increment value - * @param pageIncrement the new pageIncrement value - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setValues (int selection, int minimum, int maximum, int digits, int increment, int pageIncrement) { - checkWidget (); - if (minimum < 0) return; - if (maximum <= minimum) return; - if (digits < 0) return; - if (increment < 1) return; - if (pageIncrement < 1) return; - selection = Math.min (Math.max (minimum, selection), maximum); - setIncrement (increment); - this.pageIncrement = pageIncrement; - this.digits = digits; - OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, minimum, maximum); - setSelection (selection, true, true, false); -} - -void subclass () { - super.subclass (); - int newProc = display.windowProc; - OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, newProc); - OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, newProc); -} - -void unsubclass () { - super.unsubclass (); - OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, EditProc); - OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, UpDownProc); -} - -String verifyText (String string, int start, int end, Event keyEvent) { - Event event = new Event (); - event.text = string; - event.start = start; - event.end = end; - if (keyEvent != null) { - event.character = keyEvent.character; - event.keyCode = keyEvent.keyCode; - event.stateMask = keyEvent.stateMask; - } - int index = 0; - if (digits > 0) { - String decimalSeparator = getDecimalSeparator (); - index = string.indexOf (decimalSeparator); - if (index != -1) { - string = string.substring (0, index) + string.substring (index + 1); - } - index = 0; - } - while (index < string.length ()) { - if (!Character.isDigit (string.charAt (index))) break; - index++; - } - event.doit = index == string.length (); - if (!OS.IsUnicode && OS.IsDBLocale) { - event.start = mbcsToWcsPos (start); - event.end = mbcsToWcsPos (end); - } - sendEvent (SWT.Verify, event); - if (!event.doit || isDisposed ()) return null; - return event.text; -} - -int widgetExtStyle () { - return super.widgetExtStyle () & ~OS.WS_EX_CLIENTEDGE; -} - -int windowProc (int hwnd, int msg, int wParam, int lParam) { - if (hwnd == hwndText || hwnd == hwndUpDown) { - LRESULT result = null; - switch (msg) { - /* Keyboard messages */ - case OS.WM_CHAR: result = wmChar (hwnd, wParam, lParam); break; - case OS.WM_IME_CHAR: result = wmIMEChar (hwnd, wParam, lParam); break; - case OS.WM_KEYDOWN: result = wmKeyDown (hwnd, wParam, lParam); break; - case OS.WM_KEYUP: result = wmKeyUp (hwnd, wParam, lParam); break; - case OS.WM_SYSCHAR: result = wmSysChar (hwnd, wParam, lParam); break; - case OS.WM_SYSKEYDOWN: result = wmSysKeyDown (hwnd, wParam, lParam); break; - case OS.WM_SYSKEYUP: result = wmSysKeyUp (hwnd, wParam, lParam); break; - - /* Mouse Messages */ - case OS.WM_CAPTURECHANGED: result = wmCaptureChanged (hwnd, wParam, lParam); break; - case OS.WM_LBUTTONDBLCLK: result = wmLButtonDblClk (hwnd, wParam, lParam); break; - case OS.WM_LBUTTONDOWN: result = wmLButtonDown (hwnd, wParam, lParam); break; - case OS.WM_LBUTTONUP: result = wmLButtonUp (hwnd, wParam, lParam); break; - case OS.WM_MBUTTONDBLCLK: result = wmMButtonDblClk (hwnd, wParam, lParam); break; - case OS.WM_MBUTTONDOWN: result = wmMButtonDown (hwnd, wParam, lParam); break; - case OS.WM_MBUTTONUP: result = wmMButtonUp (hwnd, wParam, lParam); break; - case OS.WM_MOUSEHOVER: result = wmMouseHover (hwnd, wParam, lParam); break; - case OS.WM_MOUSELEAVE: result = wmMouseLeave (hwnd, wParam, lParam); break; - case OS.WM_MOUSEMOVE: result = wmMouseMove (hwnd, wParam, lParam); break; -// case OS.WM_MOUSEWHEEL: result = wmMouseWheel (hwnd, wParam, lParam); break; - case OS.WM_RBUTTONDBLCLK: result = wmRButtonDblClk (hwnd, wParam, lParam); break; - case OS.WM_RBUTTONDOWN: result = wmRButtonDown (hwnd, wParam, lParam); break; - case OS.WM_RBUTTONUP: result = wmRButtonUp (hwnd, wParam, lParam); break; - case OS.WM_XBUTTONDBLCLK: result = wmXButtonDblClk (hwnd, wParam, lParam); break; - case OS.WM_XBUTTONDOWN: result = wmXButtonDown (hwnd, wParam, lParam); break; - case OS.WM_XBUTTONUP: result = wmXButtonUp (hwnd, wParam, lParam); break; - - /* Focus Messages */ - case OS.WM_SETFOCUS: result = wmSetFocus (hwnd, wParam, lParam); break; - case OS.WM_KILLFOCUS: result = wmKillFocus (hwnd, wParam, lParam); break; - - /* Paint messages */ - case OS.WM_PAINT: result = wmPaint (hwnd, wParam, lParam); break; - case OS.WM_PRINT: result = wmPrint (hwnd, wParam, lParam); break; - - /* Menu messages */ - case OS.WM_CONTEXTMENU: result = wmContextMenu (hwnd, wParam, lParam); break; - - /* Clipboard messages */ - case OS.WM_CLEAR: - case OS.WM_CUT: - case OS.WM_PASTE: - case OS.WM_UNDO: - case OS.EM_UNDO: - if (hwnd == hwndText) { - result = wmClipboard (hwnd, msg, wParam, lParam); - } - break; - } - if (result != null) return result.value; - return callWindowProc (hwnd, msg, wParam, lParam); - } - return super.windowProc (hwnd, msg, wParam, lParam); -} - -LRESULT WM_ERASEBKGND (int wParam, int lParam) { - super.WM_ERASEBKGND (wParam, lParam); - drawBackground (wParam); - return LRESULT.ONE; -} - -LRESULT WM_KILLFOCUS (int wParam, int lParam) { - return null; -} - -LRESULT WM_SETFOCUS (int wParam, int lParam) { - OS.SetFocus (hwndText); - return null; -} - -LRESULT WM_SETFONT (int wParam, int lParam) { - LRESULT result = super.WM_SETFONT (wParam, lParam); - if (result != null) return result; - OS.SendMessage (hwndText, OS.WM_SETFONT, wParam, lParam); - return result; -} - -LRESULT WM_SIZE (int wParam, int lParam) { - LRESULT result = super.WM_SIZE (wParam, lParam); - if (isDisposed ()) return result; - int width = lParam & 0xFFFF, height = lParam >> 16; - int upDownWidth = OS.GetSystemMetrics (OS.SM_CXVSCROLL); - int textWidth = width - upDownWidth; - int border = OS.GetSystemMetrics (OS.SM_CXEDGE); - int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE; - SetWindowPos (hwndText, 0, 0, 0, textWidth + border, height, flags); - SetWindowPos (hwndUpDown, 0, textWidth, 0, upDownWidth, height, flags); - return result; -} - -LRESULT wmChar (int hwnd, int wParam, int lParam) { - LRESULT result = super.wmChar (hwnd, wParam, lParam); - if (result != null) return result; - /* - * Feature in Windows. For some reason, when the - * widget is a single line text widget, when the - * user presses tab, return or escape, Windows beeps. - * The fix is to look for these keys and not call - * the window proc. - */ - switch (wParam) { - case SWT.CR: - postEvent (SWT.DefaultSelection); - // FALL THROUGH - case SWT.TAB: - case SWT.ESC: return LRESULT.ZERO; - } - return result; -} - -LRESULT wmClipboard (int hwndText, int msg, int wParam, int lParam) { - if ((style & SWT.READ_ONLY) != 0) return null; -// if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return null; - boolean call = false; - int [] start = new int [1], end = new int [1]; - String oldText = null, newText = null; - switch (msg) { - case OS.WM_CLEAR: - case OS.WM_CUT: - OS.SendMessage (hwndText, OS.EM_GETSEL, start, end); - if (start [0] != end [0]) { - newText = ""; - call = true; - } - break; - case OS.WM_PASTE: - OS.SendMessage (hwndText, OS.EM_GETSEL, start, end); - newText = getClipboardText (); - break; - case OS.EM_UNDO: - case OS.WM_UNDO: - if (OS.SendMessage (hwndText, OS.EM_CANUNDO, 0, 0) != 0) { - ignoreModify = true; - OS.SendMessage (hwndText, OS.EM_GETSEL, start, end); - OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam); - int length = OS.GetWindowTextLength (hwndText); - int [] newStart = new int [1], newEnd = new int [1]; - OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd); - if (length != 0 && newStart [0] != newEnd [0]) { - TCHAR buffer = new TCHAR (getCodePage (), length + 1); - OS.GetWindowText (hwndText, buffer, length + 1); - newText = buffer.toString (newStart [0], newEnd [0] - newStart [0]); - } else { - newText = ""; - } - OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam); - ignoreModify = false; - } - break; - } - if (newText != null && !newText.equals (oldText)) { - oldText = newText; - newText = verifyText (newText, start [0], end [0], null); - if (newText == null) return LRESULT.ZERO; - if (!newText.equals (oldText)) { - if (call) { - OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam); - } - TCHAR buffer = new TCHAR (getCodePage (), newText, true); - if (msg == OS.WM_SETTEXT) { - int hHeap = OS.GetProcessHeap (); - int byteCount = buffer.length () * TCHAR.sizeof; - int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); - OS.MoveMemory (pszText, buffer, byteCount); - int code = OS.CallWindowProc (EditProc, hwndText, msg, wParam, pszText); - OS.HeapFree (hHeap, 0, pszText); - return new LRESULT (code); - } else { - OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer); - return LRESULT.ZERO; - } - } - } - return null; -} - -LRESULT wmCommandChild (int wParam, int lParam) { - int code = wParam >> 16; - switch (code) { - case OS.EN_CHANGE: - if (ignoreModify) break; - int value = getSelectionText (); - if (value != -1) { - int pos; - if (OS.IsWinCE) { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - if (pos != value) setSelection (value, true, false, true); - } - sendEvent (SWT.Modify); - if (isDisposed ()) return LRESULT.ZERO; - break; - } - return super.wmCommandChild (wParam, lParam); -} - -LRESULT wmKeyDown (int hwnd, int wParam, int lParam) { - LRESULT result = super.wmKeyDown (hwnd, wParam, lParam); - if (result != null) return result; - - /* Increment the value */ - UDACCEL udaccel = new UDACCEL (); - OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel); - int delta = 0; - switch (wParam) { - case OS.VK_UP: delta = udaccel.nInc; break; - case OS.VK_DOWN: delta = -udaccel.nInc; break; - case OS.VK_PRIOR: delta = pageIncrement; break; - case OS.VK_NEXT: delta = -pageIncrement; break; - } - if (delta != 0) { - int value = getSelectionText (); - if (value != -1) { - if (OS.IsWinCE) { - value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - } - int newValue = value + delta; - int [] max = new int [1], min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max); - if ((style & SWT.WRAP) != 0) { - if (newValue < min [0]) newValue = max [0]; - if (newValue > max [0]) newValue = min [0]; - } - newValue = Math.min (Math.max (min [0], newValue), max [0]); - if (value != newValue) setSelection (newValue, true, true, true); - } - - /* Stop the edit control from moving the caret */ - switch (wParam) { - case OS.VK_UP: - case OS.VK_DOWN: - return LRESULT.ZERO; - } - return result; -} - -LRESULT wmKillFocus (int hwnd, int wParam, int lParam) { - int value = getSelectionText (); - if (value == -1) { - if (OS.IsWinCE) { - value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF; - } else { - value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0); - } - setSelection (value, false, true, false); - } - return super.wmKillFocus (hwnd, wParam, lParam); -} - -LRESULT wmNotifyChild(int wParam, int lParam) { - NMHDR hdr = new NMHDR (); - OS.MoveMemory (hdr, lParam, NMHDR.sizeof); - switch (hdr.code) { - case OS.UDN_DELTAPOS: - NMUPDOWN lpnmud = new NMUPDOWN (); - OS.MoveMemory (lpnmud, lParam, NMUPDOWN.sizeof); - int value = lpnmud.iPos + lpnmud.iDelta; - int [] max = new int [1], min = new int [1]; - OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max); - if ((style & SWT.WRAP) != 0) { - if (value < min [0]) value = max [0]; - if (value > max [0]) value = min [0]; - } - /* - * The SWT.Modify event is sent after the widget has been - * updated with the new state. Rather than allowing - * the default updown window proc to set the value - * when the user clicks on the updown control, set - * the value explicity and stop the window proc - * from running. - */ - value = Math.min (Math.max (min [0], value), max [0]); - if (value != lpnmud.iPos) { - setSelection (value, true, true, true); - } - return LRESULT.ONE; - } - return super.wmNotifyChild (wParam, lParam); -} - -LRESULT wmScrollChild (int wParam, int lParam) { - int code = wParam & 0xFFFF; - switch (code) { - case OS.SB_THUMBPOSITION: - postEvent (SWT.Selection); - break; - } - return super.wmScrollChild (wParam, lParam); -} - -} |