diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Spinner.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Spinner.java | 1298 |
1 files changed, 0 insertions, 1298 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Spinner.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Spinner.java deleted file mode 100644 index 3fe8bf2af6..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Spinner.java +++ /dev/null @@ -1,1298 +0,0 @@ -/******************************************************************************* - * 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.internal.carbon.CFRange; -import org.eclipse.swt.internal.carbon.OS; -import org.eclipse.swt.internal.carbon.Rect; - -import org.eclipse.swt.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; - -/** - * 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 { - int textHandle, buttonHandle; - int textVisibleRgn, buttonVisibleRgn; - int increment = 1; - int pageIncrement = 10; - int digits = 0; - int textLimit = LIMIT; - static int GAP = 3; - - /** - * 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)); -} - -int actionProc (int theControl, int partCode) { - int result = super.actionProc (theControl, partCode); - if (result == OS.noErr) return result; - if (theControl == buttonHandle) { - boolean [] parseFail = new boolean [1]; - int value = getSelectionText (parseFail); - if (parseFail [0]) { - value = OS.GetControl32BitValue (buttonHandle); - } - int newValue = value; - switch (partCode) { - case OS.kControlUpButtonPart: - newValue += increment; - break; - case OS.kControlDownButtonPart: - newValue -= increment; - break; - } - int max = OS.GetControl32BitMaximum (buttonHandle); - int min = OS.GetControl32BitMinimum (buttonHandle); - 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); - } - return result; -} - -/** - * 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 (); - int width = 0, height = 0; - int max = OS.GetControl32BitMaximum (buttonHandle); - String string = String.valueOf (max); - 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 (); - } - char [] buffer = new char [string.length ()]; - string.getChars (0, buffer.length, buffer, 0); - int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); - Point size = textExtent (ptr, 0); - if (ptr != 0) OS.CFRelease (ptr); - width = Math.max (width, size.x); - height = Math.max (height, size.y); - int [] metric = new int [1]; - OS.GetThemeMetric (OS.kThemeMetricEditTextWhitespace, metric); - width += metric [0] * 2; - if (wHint != SWT.DEFAULT) width = wHint; - if (hHint != SWT.DEFAULT) height = hHint; - Rectangle trim = computeTrim (0, 0, width, height); - OS.GetThemeMetric (OS.kThemeMetricLittleArrowsHeight, metric); - trim.height = Math.max (trim.height, metric [0]); - return new Point (trim.width, trim.height); -} - -public Rectangle computeTrim (int x, int y, int width, int height) { - checkWidget (); - Rect inset = inset (); - width += inset.left + inset.right; - height += inset.top + inset.bottom; - int [] outMetric = new int [1]; - OS.GetThemeMetric (OS.kThemeMetricLittleArrowsWidth, outMetric); - width += outMetric [0] + GAP; - 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 (); - short [] selection = new short [2]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection, null) != OS.noErr) return; - if (selection [0] == selection [1]) return; - int [] actualSize = new int [1]; - int [] ptr = new int [1]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize) != OS.noErr) return; - CFRange range = new CFRange (); - range.location = selection [0]; - range.length = selection [1] - selection [0]; - char [] buffer= new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - OS.CFRelease (ptr [0]); - copyToClipboard (buffer); -} - -void createHandle () { - int window = OS.GetControlOwner (parent.handle); - int actionProc = display.actionProc; - int features = OS.kControlSupportsEmbedding | OS.kControlSupportsFocus; - int [] outControl = new int [1]; - OS.CreateUserPaneControl (window, null, features, outControl); - if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); - handle = outControl [0]; - - OS.CreateLittleArrowsControl (window, null, 0, 0, 100, 1, outControl); - if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); - buttonHandle = outControl [0]; - OS.SetControlAction (buttonHandle, actionProc); - - OS.CreateEditUnicodeTextControl (window, null, 0, false, null, outControl); - if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); - textHandle = outControl [0]; - OS.SetControlData (textHandle, OS.kControlEntireControl, OS.kControlEditTextSingleLineTag, 1, new byte [] {1}); - if ((style & SWT.READ_ONLY) != 0) { - OS.SetControlData (textHandle, OS.kControlEntireControl, OS.kControlEditTextLockedTag, 1, new byte [] {1}); - } - 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; - short [] selection = new short [2]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection, null) != OS.noErr) return; - if (selection [0] == selection [1]) return; - char [] buffer = setText ("", selection [0], selection [1], true); - if (buffer != null) { - copyToClipboard (buffer); - } -} - -void deregister () { - super.deregister (); - display.removeWidget(textHandle); - display.removeWidget(buttonHandle); -} - -void drawBackground (int control, int context) { - if (control == textHandle) { - fillBackground (control, context, null); - } else { - parent.fillBackground (control, context, null); - } -} - -int focusHandle () { - return textHandle; -} - -/** - * 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 () { - int locale = OS.CFLocaleCopyCurrent (); - int formatter = OS.CFNumberFormatterCreate (OS.kCFAllocatorDefault, locale, OS.kCFNumberFormatterDecimalStyle); - int key = OS.kCFNumberFormatterDecimalSeparator (); - int result = OS.CFNumberFormatterCopyProperty (formatter, key); - CFRange range = new CFRange (); - range.location = 0; - range.length = OS.CFStringGetLength (result); - char [] buffer= new char [range.length]; - OS.CFStringGetCharacters (result, range, buffer); - OS.CFRelease (result); - OS.CFRelease (formatter); - OS.CFRelease (locale); - return new String (buffer); -} - -/** - * 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 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 OS.GetControl32BitMaximum (buttonHandle); -} - -/** - * 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 OS.GetControl32BitMinimum (buttonHandle); -} - -/** - * 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 OS.GetControl32BitValue (buttonHandle); -} - -int getSelectionText (boolean [] parseFail) { - int [] actualSize = new int [1]; - int [] ptr = new int [1]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize) == OS.noErr) { - CFRange range = new CFRange (); - range.location = 0; - range.length = OS.CFStringGetLength (ptr [0]); - char [] buffer= new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - OS.CFRelease (ptr [0]); - String string = new String (buffer); - try { - int value; - if (digits > 0) { - String decimalSeparator = getDecimalSeparator (); - 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 = OS.GetControl32BitMaximum (buttonHandle); - int min = OS.GetControl32BitMinimum (buttonHandle); - 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() { - int [] ptr = new int [1]; - int [] actualSize = new int [1]; - int result = OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize); - if (result != OS.noErr) return ""; - CFRange range = new CFRange (); - range.length = OS.CFStringGetLength (ptr [0]); - char [] buffer= new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - OS.CFRelease (ptr [0]); - return new String (buffer); -} - -/** - * 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; -} - -int getVisibleRegion (int control, boolean clipChildren) { - if (control == textHandle) { - if (!clipChildren) return super.getVisibleRegion (control, clipChildren); - if (textVisibleRgn == 0) { - textVisibleRgn = OS.NewRgn (); - calculateVisibleRegion (control, textVisibleRgn, clipChildren); - } - int result = OS.NewRgn (); - OS.CopyRgn (textVisibleRgn, result); - return result; - } - if (control == buttonHandle) { - if (!clipChildren) return super.getVisibleRegion (control, clipChildren); - if (buttonVisibleRgn == 0) { - buttonVisibleRgn = OS.NewRgn (); - calculateVisibleRegion (control, buttonVisibleRgn, clipChildren); - } - int result = OS.NewRgn (); - OS.CopyRgn (buttonVisibleRgn, result); - return result; - } - return super.getVisibleRegion (control, clipChildren); -} - -void hookEvents () { - super.hookEvents (); - int controlProc = display.controlProc; - int [] mask = new int [] { - OS.kEventClassControl, OS.kEventControlDraw, - OS.kEventClassControl, OS.kEventControlSetFocusPart, - OS.kEventClassControl, OS.kEventControlTrack, - OS.kEventClassControl, OS.kEventControlGetClickActivation, - }; - int controlTarget = OS.GetControlEventTarget (textHandle); - OS.InstallEventHandler (controlTarget, controlProc, mask.length / 2, mask, handle, null); - controlTarget = OS.GetControlEventTarget (buttonHandle); - OS.InstallEventHandler (controlTarget, controlProc, mask.length / 2, mask, handle, null); -} - -Rect inset () { - return display.editTextInset; -} - -int kEventAccessibleGetNamedAttribute (int nextHandler, int theEvent, int userData) { - int code = OS.eventNotHandledErr; - int [] stringRef = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamAccessibleAttributeName, OS.typeCFStringRef, null, 4, null, stringRef); - int length = 0; - if (stringRef [0] != 0) length = OS.CFStringGetLength (stringRef [0]); - char [] buffer = new char [length]; - CFRange range = new CFRange (); - range.length = length; - OS.CFStringGetCharacters (stringRef [0], range, buffer); - String attributeName = new String(buffer); - if (attributeName.equals (OS.kAXRoleAttribute) || attributeName.equals (OS.kAXRoleDescriptionAttribute)) { - String roleText = OS.kAXGroupRole; - buffer = new char [roleText.length ()]; - roleText.getChars (0, buffer.length, buffer, 0); - stringRef [0] = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); - if (stringRef [0] != 0) { - if (attributeName.equals (OS.kAXRoleAttribute)) { - OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, stringRef); - } else { // kAXRoleDescriptionAttribute - int stringRef2 = OS.HICopyAccessibilityRoleDescription (stringRef [0], 0); - OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, new int [] {stringRef2}); - OS.CFRelease(stringRef2); - } - OS.CFRelease(stringRef [0]); - code = OS.noErr; - } - } - if (accessible != null) { - code = accessible.internal_kEventAccessibleGetNamedAttribute (nextHandler, theEvent, code); - } - return code; -} - -int kEventControlSetFocusPart (int nextHandler, int theEvent, int userData) { - int result = super.kEventControlSetFocusPart (nextHandler, theEvent, userData); - if (result == OS.noErr) { - short [] part = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, null, 2, null, part); - if (part [0] == OS.kControlFocusNoPart) { - boolean [] parseFail = new boolean [1]; - int value = getSelectionText (parseFail); - if (parseFail [0]) { - value = OS.GetControl32BitValue (buttonHandle); - setSelection (value, false, true, false); - } - } - } - return result; -} - -int kEventUnicodeKeyPressed (int nextHandler, int theEvent, int userData) { - int result = super.kEventUnicodeKeyPressed (nextHandler, theEvent, userData); - if (result == OS.noErr) return result; - int [] keyboardEvent = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendKeyboardEvent, OS.typeEventRef, null, keyboardEvent.length * 4, null, keyboardEvent); - int [] keyCode = new int [1]; - OS.GetEventParameter (keyboardEvent [0], OS.kEventParamKeyCode, OS.typeUInt32, null, keyCode.length * 4, null, keyCode); - int [] modifiers = new int [1]; - OS.GetEventParameter (keyboardEvent [0], OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); - if (modifiers [0] == OS.cmdKey) { - switch (keyCode [0]) { - case 7: /* X */ - cut (); - return OS.noErr; - case 8: /* C */ - copy (); - return OS.noErr; - case 9: /* V */ - paste (); - return OS.noErr; - } - } - int delta = 0; - switch (keyCode [0]) { - case 76: /* KP Enter */ - case 36: /* Return */ - postEvent (SWT.DefaultSelection); - return OS.noErr; - case 116: /* Page Up */ delta = pageIncrement; break; - case 121: /* Page Down */ delta = -pageIncrement; break; - case 125: /* Down */ delta = -increment; break; - case 126: /* Up */ delta = increment; break; - } - if (delta != 0) { - boolean [] parseFail = new boolean [1]; - int value = getSelectionText (parseFail); - if (parseFail [0]) { - value = OS.GetControl32BitValue (buttonHandle); - } - int newValue = value + delta; - int max = OS.GetControl32BitMaximum (buttonHandle); - int min = OS.GetControl32BitMinimum (buttonHandle); - 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); - return OS.noErr; - } else { - result = OS.CallNextEventHandler (nextHandler, theEvent); - boolean [] parseFail = new boolean [1]; - int value = getSelectionText (parseFail); - if (!parseFail [0]) { - int pos = OS.GetControl32BitValue (buttonHandle); - if (pos != value) setSelection (value, true, false, true); - } - } - return result; -} - -int kEventTextInputUpdateActiveInputArea (int nextHandler, int theEvent, int userData) { - int [] length = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendText, OS.typeUnicodeText, null, 0, length, (char [])null); - int [] fixed_length = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendFixLen, OS.typeLongInteger, null, 4, null, fixed_length); - if (fixed_length [0] == -1 || fixed_length [0] == length [0]) { - postEvent (SWT.Modify); - } - return OS.eventNotHandledErr; -} - -/** - * 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; - String text = getClipboardText (); - short [] selection = new short [2]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection, null) != OS.noErr) return; - setText (text, selection [0], selection [1], true); -} - -boolean pollTrackEvent() { - return true; -} - -public void redraw () { - checkWidget(); - super.redraw (); - redrawWidget (textHandle, false); - redrawWidget (buttonHandle, false); -} - -void register () { - super.register (); - display.addWidget (textHandle, this); - display.addWidget (buttonHandle, this); -} - -/** - * 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 resetVisibleRegion (int control) { - if (textVisibleRgn != 0) { - OS.DisposeRgn (textVisibleRgn); - textVisibleRgn = 0; - } - if (buttonVisibleRgn != 0) { - OS.DisposeRgn (buttonVisibleRgn); - buttonVisibleRgn = 0; - } - super.resetVisibleRegion (control); -} - -void resizeClientArea () { - int [] outMetric = new int [1]; - OS.GetThemeMetric (OS.kThemeMetricLittleArrowsWidth, outMetric); - int buttonWidth = outMetric [0] + GAP; - OS.GetThemeMetric (OS.kThemeMetricLittleArrowsHeight, outMetric); - int buttonHeight = outMetric [0]; - Rect rect = new Rect (); - OS.GetControlBounds (handle, rect); - Rect inset = inset (); - int width = Math.max (0, rect.right - rect.left - inset.left - inset.right - buttonWidth); - int height = Math.max (0, rect.bottom - rect.top - inset.top - inset.bottom); - buttonHeight = Math.min (buttonHeight, rect.bottom - rect.top); - setBounds (textHandle, inset.left, inset.top, width, height, true, true, false); - setBounds (buttonHandle, inset.left + inset.right + width + GAP, inset.top + (height - buttonHeight) / 2, buttonWidth, buttonHeight, true, true, false); -} - -boolean sendKeyEvent (int type, Event event) { - if (!super.sendKeyEvent (type, event)) { - return false; - } - if (type != SWT.KeyDown) return true; - if ((style & SWT.READ_ONLY) != 0) return true; - if (event.character == 0) return true; - if ((event.stateMask & SWT.COMMAND) != 0) return true; -// if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return true; - String oldText = "", newText = ""; - int [] actualSize = new int [1]; - int [] ptr = new int [1]; - int charCount = 0; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize) == OS.noErr) { - charCount = OS.CFStringGetLength (ptr [0]); - OS.CFRelease (ptr [0]); - } - short [] selection = new short [2]; - OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection, null); - int start = selection [0], end = selection [1]; - switch (event.character) { - case SWT.BS: - if (start == end) { - if (start == 0) return true; - start = Math.max (0, start - 1); - } - break; - case SWT.DEL: - if (start == end) { - if (start == charCount) return true; - end = Math.min (end + 1, charCount); - } - break; - case SWT.CR: - return true; - default: - if (event.character != '\t' && event.character < 0x20) return true; - oldText = new String (new char [] {event.character}); - } - newText = verifyText (oldText, start, end, event); - if (newText == null) return false; - if (charCount - (end - start) + newText.length () > textLimit) { - return false; - } - if (newText != oldText) { - setText (newText, start, end, false); - start += newText.length (); - selection = new short [] {(short)start, (short)start}; - OS.SetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection); - } - /* - * Post the modify event so that the character will be inserted - * into the widget when the modify event is delivered. Normally, - * modify events are sent but it is safe to post the event here - * because this method is called from the event loop. - */ - postEvent (SWT.Modify); - return newText == oldText; -} - -void setBackground (float [] color) { - super.setBackground (color); - setBackground (textHandle, color); -} - -/** - * 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 = OS.GetControl32BitValue (buttonHandle); - setSelection (pos, false, true, false); -} - -void setFontStyle (Font font) { - super.setFontStyle (font); - setFontStyle (textHandle, font); -} - -void setForeground (float [] color) { - super.setForeground (color); - setForeground (textHandle, color); -} - -/** - * 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; - increment = value; -} - -/** - * 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 (); - int min = OS.GetControl32BitMinimum (buttonHandle); - if (value <= min) return; - int pos = OS.GetControl32BitValue (buttonHandle); - OS.SetControl32BitMaximum (buttonHandle, 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 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 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 (); - int max = OS.GetControl32BitMaximum (buttonHandle); - if (value >= max) return; - int pos = OS.GetControl32BitValue (buttonHandle); - OS.SetControl32BitMinimum (buttonHandle, 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; -} - -/** - * 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 = OS.GetControl32BitMinimum (buttonHandle); - int max = OS.GetControl32BitMaximum (buttonHandle); - 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) { - OS.SetControl32BitValue (buttonHandle, value); - } - if (setText) { - String string; - if (digits == 0) { - string = String.valueOf (value); - } else { - string = String.valueOf (Math.abs (value)); - String decimalSeparator = getDecimalSeparator (); - int index = string.length () - digits; - StringBuffer buffer = new StringBuffer (); - if (value < 0) buffer.append ("-"); - 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 [] actualSize = new int [1]; - int [] ptr = new int [1]; - int length = 0; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize) == OS.noErr) { - length = OS.CFStringGetLength (ptr [0]); - OS.CFRelease (ptr [0]); - } - string = verifyText (string, 0, length, null); - if (string == null) return; - } - char [] buffer = new char [string.length ()]; - string.getChars (0, buffer.length, buffer, 0); - int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); - if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT); - OS.SetControlData (textHandle, OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, new int[] {ptr}); - OS.CFRelease (ptr); - short [] selection = new short [] {0, (short)string.length ()}; - OS.SetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextSelectionTag, 4, selection); - sendEvent (SWT.Modify); - } - if (notify) postEvent (SWT.Selection); -} - -char [] setText (String string, int start, int end, boolean notify) { - if (notify) { - if (hooks (SWT.Verify) || filters (SWT.Verify)) { - string = verifyText (string, start, end, null); - if (string == null) return null; - } - } - int [] actualSize = new int [1]; - int [] ptr = new int [1]; - if (OS.GetControlData (textHandle, (short)OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr, actualSize) != OS.noErr) return null; - int charCount = OS.CFStringGetLength (ptr [0]); - int length = string.length (); - if (textLimit != LIMIT) { - if (charCount - (end - start) + length > textLimit) { - length = textLimit - charCount + (end - start); - } - } - char [] text = new char [charCount - (end - start) + length]; - CFRange range = new CFRange (); - range.location = 0; - range.length = start; - char [] buffer = new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - System.arraycopy (buffer, 0, text, 0, range.length); - string.getChars (0, length, text, start); - range.location = end; - range.length = charCount - end; - buffer = new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - System.arraycopy (buffer, 0, text, start + length, range.length); - - /* Copying the return value to buffer */ - range.location = start; - range.length = end - start; - buffer = new char [range.length]; - OS.CFStringGetCharacters (ptr [0], range, buffer); - OS.CFRelease (ptr [0]); - - ptr [0] = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, text, text.length); - if (ptr [0] == 0) error (SWT.ERROR_CANNOT_SET_TEXT); - OS.SetControlData (textHandle, OS.kControlEntireControl, OS.kControlEditTextCFStringTag, 4, ptr); - OS.CFRelease (ptr [0]); - if (notify) sendEvent (SWT.Modify); - return buffer; -} - -/** - * 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.increment = increment; - this.pageIncrement = pageIncrement; - this.digits = digits; - OS.SetControl32BitMaximum (buttonHandle, maximum); - OS.SetControl32BitMinimum (buttonHandle, minimum); - setSelection (selection, true, true, false); -} - -void setZOrder () { - super.setZOrder (); - if (textHandle != 0) OS.HIViewAddSubview (handle, textHandle); - if (buttonHandle != 0) OS.HIViewAddSubview (handle, buttonHandle); -} - -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; - } - if (string.length() > 0) { - int minimum = OS.GetControl32BitMinimum (buttonHandle); - if (minimum < 0 && string.charAt (0) == '-') index++; - } - 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; -} - -} |