| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| /** |
| * Instances of this class are selectable user interface |
| * objects that allow the user to enter and modify numeric |
| * values. |
| * <p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to add children to it, or set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>READ_ONLY, WRAP</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, Modify, Verify</dd> |
| * </dl> |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#spinner">Spinner snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * |
| * @since 3.1 |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class Spinner extends Composite { |
| NSTextField textView; |
| NSNumberFormatter textFormatter; |
| NSStepper buttonView; |
| int pageIncrement = 10; |
| int digits = 0; |
| int textLimit = LIMIT; |
| static int GAP = 0; |
| |
| /** |
| * the operating system limit for the number of characters |
| * that the text field in an instance of this class can hold |
| * |
| * @since 3.4 |
| */ |
| public static final int LIMIT; |
| |
| /* |
| * These values can be different on different platforms. |
| * Therefore they are not initialized in the declaration |
| * to stop the compiler from inlining. |
| */ |
| static { |
| LIMIT = 0x7FFFFFFF; |
| } |
| |
| /** |
| * 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)); |
| } |
| |
| boolean acceptsFirstResponder(int /*long*/ id, int /*long*/ sel) { |
| if (id == view.id) return false; |
| return super.acceptsFirstResponder (id, sel); |
| } |
| |
| /** |
| * 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 the user, 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 when the control is selected by the user |
| * |
| * @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); |
| } |
| |
| 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); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| float /*double*/ width = 0, height = 0; |
| String string = Double.toString (buttonView.maxValue ()); |
| Font font = Font.cocoa_new(display, textView.font ()); |
| NSAttributedString str = parent.createString(string, font, null, 0, false, true, false); |
| NSSize size = str.size (); |
| str.release (); |
| width = (float)/*64*/size.width; |
| height = (float)/*64*/size.height; |
| NSRect frameRect = textView.frame(); |
| NSCell cell = new NSCell (textView.cell ()); |
| NSRect cellRect = cell.drawingRectForBounds(frameRect); |
| width += frameRect.width - cellRect.width; |
| height += frameRect.height - cellRect.height; |
| width += GAP; |
| size = buttonView.cell ().cellSize (); |
| width += (int)/*64*/size.width; |
| height = Math.max (height, size.height); |
| if (wHint != SWT.DEFAULT) width = wHint; |
| if (hHint != SWT.DEFAULT) height = hHint; |
| Rectangle trim = computeTrim (0, 0, (int)Math.ceil (width), (int)Math.ceil (height)); |
| return new Point (trim.width, trim.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 (); |
| NSText fieldEditor = textView.currentEditor(); |
| if (fieldEditor != null) { |
| fieldEditor.copy(null); |
| } else { |
| //TODO |
| } |
| } |
| |
| void createHandle () { |
| NSView widget = (NSView)new SWTView().alloc(); |
| widget.init(); |
| // widget.setDrawsBackground(false); |
| NSStepper buttonWidget = (NSStepper)new SWTStepper().alloc(); |
| buttonWidget.init(); |
| buttonWidget.setValueWraps((style & SWT.WRAP) != 0); |
| buttonWidget.setTarget(buttonWidget); |
| buttonWidget.setAction(OS.sel_sendSelection); |
| buttonWidget.setMaxValue(100); |
| NSTextField textWidget = (NSTextField)new SWTTextField().alloc(); |
| textWidget.init(); |
| // textWidget.setTarget(widget); |
| textWidget.setEditable((style & SWT.READ_ONLY) == 0); |
| if ((style & SWT.BORDER) == 0) { |
| textWidget.setFocusRingType (OS.NSFocusRingTypeNone); |
| textWidget.setBordered (false); |
| } |
| textFormatter = (NSNumberFormatter)new NSNumberFormatter().alloc(); |
| textFormatter.init(); |
| widget.addSubview(textWidget); |
| widget.addSubview(buttonWidget); |
| buttonView = buttonWidget; |
| textView = textWidget; |
| view = widget; |
| setSelection (0, false, true, false); |
| } |
| |
| /** |
| * 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; |
| NSText fieldEditor = textView.currentEditor(); |
| if (fieldEditor != null) { |
| fieldEditor.cut(null); |
| } else { |
| //TODO |
| } |
| } |
| |
| void enableWidget (boolean enabled) { |
| super.enableWidget(enabled); |
| buttonView.setEnabled(enabled); |
| textView.setEnabled(enabled); |
| } |
| |
| NSFont defaultNSFont () { |
| return display.textFieldFont; |
| } |
| |
| void deregister () { |
| super.deregister (); |
| if (textView != null) { |
| display.removeWidget (textView); |
| display.removeWidget (textView.cell()); |
| } |
| |
| if (buttonView != null) { |
| display.removeWidget (buttonView); |
| display.removeWidget (buttonView.cell()); |
| } |
| } |
| |
| void drawBackground (int /*long*/ id, NSGraphicsContext context, NSRect rect) { |
| if (backgroundImage == null) return; |
| if (new NSView(id).isKindOfClass(OS.class_NSText)) { |
| NSText text = new NSText(id); |
| if (!text.isFieldEditor()) return; |
| } |
| fillBackground (view, context, rect, -1); |
| } |
| |
| void drawInteriorWithFrame_inView(int id, int sel, NSRect cellFrame, int viewid) { |
| Control control = findBackgroundControl(); |
| if (control == null) control = this; |
| Image image = control.backgroundImage; |
| if (image != null && !image.isDisposed()) { |
| NSGraphicsContext context = NSGraphicsContext.currentContext(); |
| control.fillBackground (view, context, cellFrame, -1); |
| } |
| super.drawInteriorWithFrame_inView(id, sel, cellFrame, viewid); |
| } |
| |
| NSView focusView () { |
| return textView; |
| } |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * 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 (); |
| return (int)buttonView.increment(); |
| } |
| |
| /** |
| * 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 (); |
| return (int)buttonView.maxValue(); |
| } |
| |
| /** |
| * 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 (); |
| return (int)buttonView.minValue(); |
| } |
| |
| /** |
| * 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 (); |
| return (int)((NSStepper)buttonView).doubleValue(); |
| } |
| |
| int getSelectionText (boolean[] parseFail) { |
| String string = textView.stringValue().getString(); |
| try { |
| int value; |
| if (digits > 0) { |
| String decimalSeparator = textFormatter.decimalSeparator().getString(); |
| int index = string.indexOf (decimalSeparator); |
| if (index != -1) { |
| int startIndex = string.startsWith ("+") || string.startsWith ("-") ? 1 : 0; |
| String wholePart = startIndex != index ? string.substring (startIndex, index) : "0"; |
| 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; |
| if (string.startsWith ("-")) value = -value; |
| } else { |
| value = Integer.parseInt (string); |
| for (int i = 0; i < digits; i++) value *= 10; |
| } |
| } else { |
| value = Integer.parseInt (string); |
| } |
| int max = getMaximum(); |
| int min = getMinimum(); |
| if (min <= value && value <= max) return value; |
| } catch (NumberFormatException e) { |
| } |
| parseFail [0] = true; |
| return -1; |
| } |
| |
| /** |
| * Returns a string containing a copy of the contents of the |
| * receiver's text field, or an empty string if there are no |
| * contents. |
| * |
| * @return the receiver's text |
| * |
| * @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 3.4 |
| */ |
| public String getText () { |
| checkWidget (); |
| NSString str = new NSTextFieldCell (textView.cell ()).title (); |
| return str.getString (); |
| } |
| |
| /** |
| * Returns the maximum number of characters that the receiver's |
| * text field is capable of holding. If this has not been changed |
| * by <code>setTextLimit()</code>, it will be the constant |
| * <code>Spinner.LIMIT</code>. |
| * |
| * @return the text limit |
| * |
| * @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 #LIMIT |
| * |
| * @since 3.4 |
| */ |
| public int getTextLimit () { |
| checkWidget(); |
| return textLimit; |
| } |
| |
| boolean isEventView (int /*long*/ id) { |
| return true; |
| } |
| |
| /** |
| * 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; |
| NSText fieldEditor = textView.currentEditor(); |
| if (fieldEditor != null) { |
| fieldEditor.paste(null); |
| } else { |
| //TODO |
| } |
| } |
| |
| void register () { |
| super.register (); |
| if (textView != null) { |
| display.addWidget (textView, this); |
| display.addWidget (textView.cell(), this); |
| } |
| |
| if (buttonView != null) { |
| display.addWidget (buttonView, this); |
| display.addWidget (buttonView.cell(), this); |
| } |
| } |
| |
| void releaseHandle () { |
| super.releaseHandle(); |
| if (textFormatter != null) textFormatter.release(); |
| if (buttonView != null) buttonView.release(); |
| if (textView != null) textView.release(); |
| textFormatter = null; |
| buttonView = null; |
| textView = null; |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| if (textView != null) textView.abortEditing(); |
| } |
| |
| /** |
| * 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 by the user. |
| * |
| * @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 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); |
| } |
| |
| void resized () { |
| super.resized (); |
| buttonView.sizeToFit(); |
| NSSize textSize = textView.cell ().cellSize (); |
| NSRect buttonFrame = buttonView.bounds(); |
| NSRect frame = view.frame(); |
| buttonFrame.x = frame.width - buttonFrame.width; |
| buttonFrame.y = (frame.height - buttonFrame.height) / 2; |
| int textHeight = (int)Math.min(textSize.height, frame.height); |
| frame.x = 0; |
| frame.y = (frame.height - textHeight) / 2; |
| frame.width -= buttonFrame.width + GAP; |
| frame.height = textHeight; |
| textView.setFrame(frame); |
| buttonView.setFrame(buttonFrame); |
| } |
| |
| boolean sendKeyEvent (NSEvent nsEvent, int type) { |
| boolean result = super.sendKeyEvent (nsEvent, type); |
| if (!result) return result; |
| if (type != SWT.KeyDown) return result; |
| int delta = 0; |
| short keyCode = nsEvent.keyCode (); |
| switch (keyCode) { |
| case 76: /* KP Enter */ |
| case 36: { /* Return */ |
| sendSelectionEvent (SWT.DefaultSelection); |
| return true; |
| } |
| |
| case 116: delta = pageIncrement; break; /* Page Up */ |
| case 121: delta = -pageIncrement; break; /* Page Down */ |
| case 125: delta = -getIncrement(); break; /* Down arrow */ |
| case 126: delta = getIncrement(); break; /* Up arrow */ |
| } |
| |
| if (delta != 0) { |
| boolean [] parseFail = new boolean [1]; |
| int value = getSelectionText (parseFail); |
| if (parseFail [0]) { |
| value = (int)buttonView.doubleValue(); |
| } |
| int newValue = value + delta; |
| int max = (int)buttonView.maxValue(); |
| int min = (int)buttonView.minValue(); |
| if ((style & SWT.WRAP) != 0) { |
| if (newValue > max) newValue = min; |
| if (newValue < min) newValue = max; |
| } |
| newValue = Math.min (Math.max (min, newValue), max); |
| if (value != newValue) setSelection (newValue, true, true, true); |
| // Prevent the arrow or page up/down from being handled by the text field. |
| result = false; |
| } else { |
| boolean [] parseFail = new boolean [1]; |
| int value = getSelectionText (parseFail); |
| if (!parseFail [0]) { |
| int pos = (int)buttonView.doubleValue(); |
| if (pos != value) setSelection (value, true, false, true); |
| } |
| } |
| |
| return result; |
| } |
| |
| void sendSelection () { |
| setSelection (getSelection(), false, true, true); |
| } |
| |
| void setBackgroundColor(NSColor nsColor) { |
| ((NSTextField) textView).setBackgroundColor (nsColor); |
| } |
| |
| void setBackgroundImage(NSImage image) { |
| NSTextField widget = (NSTextField) textView; |
| widget.setDrawsBackground(image == null); |
| NSText editor = widget.window().fieldEditor(true, widget); |
| editor.setDrawsBackground(image == null); |
| } |
| /** |
| * 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 == digits) return; |
| digits = value; |
| int pos = (int)buttonView.doubleValue(); |
| setSelection (pos, false, true, false); |
| } |
| |
| void setFont(NSFont font) { |
| textView.setFont(font); |
| } |
| |
| void setForeground (float /*double*/ [] color) { |
| NSColor nsColor; |
| if (color == null) { |
| nsColor = NSColor.textColor (); |
| } else { |
| nsColor = NSColor.colorWithDeviceRed (color [0], color [1], color [2], 1); |
| } |
| ((NSTextField) textView).setTextColor (nsColor); |
| } |
| |
| /** |
| * 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; |
| buttonView.setIncrement(value); |
| } |
| |
| /** |
| * Sets the maximum value that the receiver will allow. This new |
| * value will be ignored if it is less 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 or equal to 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 (); |
| int min = getMinimum (); |
| if (value < min) return; |
| int pos = getSelection(); |
| buttonView.setMaxValue(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 greater 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 less than or equal to 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 (); |
| int max = getMaximum(); |
| if (value > max) return; |
| int pos = getSelection(); |
| buttonView.setMinValue(value); |
| 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; |
| } |
| |
| void setOrientation () { |
| int direction = (style & SWT.RIGHT_TO_LEFT) != 0 ? OS.NSWritingDirectionRightToLeft : OS.NSWritingDirectionLeftToRight; |
| textView.setBaseWritingDirection(direction); |
| } |
| |
| /** |
| * 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 min = getMinimum(); |
| int max = getMaximum(); |
| value = Math.min (Math.max (min, value), max); |
| setSelection (value, true, true, false); |
| } |
| |
| void setSelection (int value, boolean setPos, boolean setText, boolean notify) { |
| if (setPos) { |
| ((NSStepper)buttonView).setDoubleValue(value); |
| } |
| if (setText) { |
| String string = String.valueOf (value); |
| if (digits > 0) { |
| String decimalSeparator = textFormatter.decimalSeparator().getString(); |
| 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 (); |
| } |
| NSCell cell = new NSCell(textView.cell()); |
| if (hooks (SWT.Verify) || filters (SWT.Verify)) { |
| int length = (int)/*64*/cell.title().length(); |
| string = verifyText (string, 0, length, null); |
| if (string == null) return; |
| } |
| textView.setStringValue(NSString.stringWith(string)); |
| NSRange selection = new NSRange(); |
| selection.location = 0; |
| selection.length = string.length(); |
| NSText fieldEditor = textView.currentEditor(); |
| if (fieldEditor != null) fieldEditor.setSelectedRange(selection); |
| sendEvent (SWT.Modify); |
| } |
| if (notify) sendSelectionEvent (SWT.Selection); |
| } |
| |
| void setSmallSize () { |
| textView.cell ().setControlSize (OS.NSSmallControlSize); |
| buttonView.cell ().setControlSize (OS.NSSmallControlSize); |
| } |
| |
| /** |
| * Sets the maximum number of characters that the receiver's |
| * text field is capable of holding to be the argument. |
| * <p> |
| * To reset this value to the default, use <code>setTextLimit(Spinner.LIMIT)</code>. |
| * Specifying a limit value larger than <code>Spinner.LIMIT</code> sets the |
| * receiver's limit to <code>Spinner.LIMIT</code>. |
| * </p> |
| * @param limit new text limit |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_CANNOT_BE_ZERO - if the limit is 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> |
| * |
| * @see #LIMIT |
| * |
| * @since 3.4 |
| */ |
| public void setTextLimit (int limit) { |
| checkWidget(); |
| if (limit == 0) error (SWT.ERROR_CANNOT_BE_ZERO); |
| textLimit = limit; |
| } |
| |
| /** |
| * 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 (maximum < minimum) return; |
| if (digits < 0) return; |
| if (increment < 1) return; |
| if (pageIncrement < 1) return; |
| selection = Math.min (Math.max (minimum, selection), maximum); |
| this.pageIncrement = pageIncrement; |
| this.digits = digits; |
| buttonView.setIncrement(increment); |
| buttonView.setMaxValue(maximum); |
| buttonView.setMinValue(minimum); |
| setSelection (selection, true, true, false); |
| } |
| |
| boolean shouldChangeTextInRange_replacementString(int /*long*/ id, int /*long*/ sel, int /*long*/ affectedCharRange, int /*long*/ replacementString) { |
| NSRange range = new NSRange(); |
| OS.memmove(range, affectedCharRange, NSRange.sizeof); |
| boolean result = callSuperBoolean(id, sel, range, replacementString); |
| if (hooks (SWT.Verify)) { |
| String text = new NSString(replacementString).getString(); |
| NSEvent currentEvent = display.application.currentEvent(); |
| int /*long*/ type = currentEvent.type(); |
| if (type != OS.NSKeyDown && type != OS.NSKeyUp) currentEvent = null; |
| String newText = verifyText(text, (int)/*64*/range.location, (int)/*64*/(range.location+range.length), currentEvent); |
| if (newText == null) return false; |
| if (text != newText) { |
| int length = newText.length(); |
| NSText fieldEditor = textView.currentEditor (); |
| if (fieldEditor != null) { |
| NSRange selectedRange = fieldEditor.selectedRange(); |
| if (textLimit != LIMIT) { |
| int /*long*/ charCount = fieldEditor.string().length(); |
| if (charCount - selectedRange.length + length > textLimit) { |
| length = (int)/*64*/(textLimit - charCount + selectedRange.length); |
| } |
| } |
| char [] buffer = new char [length]; |
| newText.getChars (0, buffer.length, buffer, 0); |
| NSString nsstring = NSString.stringWithCharacters (buffer, buffer.length); |
| fieldEditor.replaceCharactersInRange (fieldEditor.selectedRange (), nsstring); |
| result = false; |
| } |
| } |
| if (!result) sendEvent (SWT.Modify); |
| } |
| return result; |
| } |
| |
| void textDidChange (int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { |
| super.textDidChange (id, sel, aNotification); |
| boolean [] parseFail = new boolean [1]; |
| int value = getSelectionText (parseFail); |
| if (!parseFail [0]) { |
| int pos = (int)buttonView.doubleValue(); |
| if (value != pos) { |
| setSelection (value, true, false, true); |
| } |
| } |
| postEvent (SWT.Modify); |
| } |
| |
| NSRange textView_willChangeSelectionFromCharacterRange_toCharacterRange (int /*long*/ id, int /*long*/ sel, int /*long*/ aTextView, int /*long*/ oldSelectedCharRange, int /*long*/ newSelectedCharRange) { |
| /* allow the selection change to proceed */ |
| NSRange result = new NSRange (); |
| OS.memmove(result, newSelectedCharRange, NSRange.sizeof); |
| return result; |
| } |
| |
| void textDidEndEditing(int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { |
| boolean [] parseFail = new boolean [1]; |
| int value = getSelectionText (parseFail); |
| if (parseFail [0]) { |
| value = (int)buttonView.doubleValue(); |
| setSelection (value, false, true, false); |
| } |
| super.textDidEndEditing(id, sel, aNotification); |
| } |
| |
| void updateCursorRects (boolean enabled) { |
| super.updateCursorRects (enabled); |
| updateCursorRects (enabled, textView); |
| updateCursorRects (enabled, buttonView); |
| } |
| |
| String verifyText (String string, int start, int end, NSEvent keyEvent) { |
| Event event = new Event (); |
| if (keyEvent != null) setKeyState(event, SWT.MouseDown, keyEvent); |
| event.text = string; |
| event.start = start; |
| event.end = end; |
| 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 (); |
| /* |
| * It is possible (but unlikely), that application |
| * code could have disposed the widget in the verify |
| * event. If this happens, answer null to cancel |
| * the operation. |
| */ |
| sendEvent (SWT.Verify, event); |
| if (!event.doit || isDisposed ()) return null; |
| return event.text; |
| } |
| |
| } |