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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Link.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Link.java | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Link.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Link.java deleted file mode 100755 index 18210ff412..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Link.java +++ /dev/null @@ -1,532 +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.cocoa.*; - -import org.eclipse.swt.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; - -/** - * Instances of this class represent a selectable - * user interface object that displays a text with - * links. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>(none)</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection</dd> - * </dl> - * <p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#link">Link 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 Link extends Control { - NSScrollView scrollView; - String text; - Point [] offsets; - Point selection; - String [] ids; - int [] mnemonics; - NSColor linkColor; - -/** - * 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 Widget#checkSubclass - * @see Widget#getStyle - */ -public Link (Composite parent, int style) { - super (parent, style); -} - -/** - * 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 called when the control is selected by the user. - * <code>widgetDefaultSelected</code> is not called. - * </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); -} - -boolean textView_clickOnLink_atIndex(int /*long*/ id, int /*long*/ sel, int /*long*/ textView, int /*long*/ link, int /*long*/ charIndex) { - NSString str = new NSString (link); - Event event = new Event (); - event.text = str.getString(); - sendEvent (SWT.Selection, event); - return true; -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget (); - if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; - if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; - int width, height; - //TODO wrapping, wHint - int borderStyle = hasBorder() ? OS.NSBezelBorder : OS.NSNoBorder; - NSSize borderSize = NSScrollView.frameSizeForContentSize(new NSSize(), false, false, borderStyle); - NSTextView widget = (NSTextView)view; - NSSize size = widget.textStorage().size(); - width = (int)(size.width + borderSize.width); - height = (int)(size.height + borderSize.height); - if (wHint != SWT.DEFAULT) width = wHint; - if (hHint != SWT.DEFAULT) height = hHint; - int border = getBorderWidth (); - width += border * 2; - height += border * 2; - - // TODO is this true? if so, can this rounding be turned off? - /* - * Bug in Cocoa. NSTextStorage.size() seems to return a width - * value that is rounded down, because its result is never - * fractional. The workaround is to increment width by 1 - * to ensure that it is wide enough to show the full text. - */ - width += 1; - return new Point (width, height); -} - -void createHandle () { - state |= THEME_BACKGROUND; - NSScrollView scrollWidget = (NSScrollView)new SWTScrollView().alloc(); - scrollWidget.init(); - scrollWidget.setDrawsBackground(false); - scrollWidget.setBorderType(hasBorder() ? OS.NSBezelBorder : OS.NSNoBorder); - - NSTextView widget = (NSTextView)new SWTTextView().alloc(); - widget.init(); - widget.setEditable(false); - widget.setDrawsBackground(false); - widget.setDelegate(widget); - widget.setAutoresizingMask (OS.NSViewWidthSizable | OS.NSViewHeightSizable); - widget.textContainer().setLineFragmentPadding(0); - - scrollView = scrollWidget; - view = widget; -} - -void createWidget () { - super.createWidget (); - text = ""; - NSDictionary dict = ((NSTextView)view).linkTextAttributes(); - linkColor = new NSColor(dict.valueForKey(OS.NSForegroundColorAttributeName)); -} - -NSFont defaultNSFont () { - return display.textViewFont; -} - -void deregister () { - super.deregister (); - if (scrollView != null) display.removeWidget (scrollView); -} - -void enableWidget (boolean enabled) { - super.enableWidget (enabled); - NSColor nsColor = null; - if (enabled) { - if (foreground == null) { - nsColor = NSColor.textColor (); - } else { - nsColor = NSColor.colorWithDeviceRed (foreground [0], foreground [1], foreground [2], foreground[3]); - } - } else { - nsColor = NSColor.disabledControlTextColor(); - } - NSTextView widget = (NSTextView)view; - widget.setTextColor(nsColor); - NSDictionary linkTextAttributes = widget.linkTextAttributes(); - int count = (int)/*64*/linkTextAttributes.count(); - NSMutableDictionary dict = NSMutableDictionary.dictionaryWithCapacity(count); - dict.setDictionary(linkTextAttributes); - dict.setValue(enabled ? linkColor : nsColor, OS.NSForegroundColorAttributeName); - widget.setLinkTextAttributes(dict); -} - -String getNameText () { - return getText (); -} - - -/** - * Returns the receiver's text, which will be an empty - * string if it has never been set. - * - * @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> - */ -public String getText () { - checkWidget (); - return text; -} - -void register () { - super.register (); - if (scrollView != null) display.addWidget (scrollView, this); -} - -void releaseWidget () { - super.releaseWidget (); - offsets = null; - ids = null; - mnemonics = null; - text = null; - linkColor = null; -} - -/** - * 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); -} - -String parse (String string) { - int length = string.length (); - offsets = new Point [length / 4]; - ids = new String [length / 4]; - mnemonics = new int [length / 4 + 1]; - StringBuffer result = new StringBuffer (); - char [] buffer = new char [length]; - string.getChars (0, string.length (), buffer, 0); - int index = 0, state = 0, linkIndex = 0; - int start = 0, tagStart = 0, linkStart = 0, endtagStart = 0, refStart = 0; - while (index < length) { - char c = Character.toLowerCase (buffer [index]); - switch (state) { - case 0: - if (c == '<') { - tagStart = index; - state++; - } - break; - case 1: - if (c == 'a') state++; - break; - case 2: - switch (c) { - case 'h': - state = 7; - break; - case '>': - linkStart = index + 1; - state++; - break; - default: - if (Character.isWhitespace(c)) break; - else state = 13; - } - break; - case 3: - if (c == '<') { - endtagStart = index; - state++; - } - break; - case 4: - state = c == '/' ? state + 1 : 3; - break; - case 5: - state = c == 'a' ? state + 1 : 3; - break; - case 6: - if (c == '>') { - mnemonics [linkIndex] = parseMnemonics (buffer, start, tagStart, result); - int offset = result.length (); - parseMnemonics (buffer, linkStart, endtagStart, result); - offsets [linkIndex] = new Point (offset, result.length () - 1); - if (ids [linkIndex] == null) { - ids [linkIndex] = new String (buffer, linkStart, endtagStart - linkStart); - } - linkIndex++; - start = tagStart = linkStart = endtagStart = refStart = index + 1; - state = 0; - } else { - state = 3; - } - break; - case 7: - state = c == 'r' ? state + 1 : 0; - break; - case 8: - state = c == 'e' ? state + 1 : 0; - break; - case 9: - state = c == 'f' ? state + 1 : 0; - break; - case 10: - state = c == '=' ? state + 1 : 0; - break; - case 11: - if (c == '"') { - state++; - refStart = index + 1; - } else { - state = 0; - } - break; - case 12: - if (c == '"') { - ids[linkIndex] = new String (buffer, refStart, index - refStart); - state = 2; - } - break; - case 13: - if (Character.isWhitespace (c)) { - state = 0; - } else if (c == '='){ - state++; - } - break; - case 14: - state = c == '"' ? state + 1 : 0; - break; - case 15: - if (c == '"') state = 2; - break; - default: - state = 0; - break; - } - index++; - } - if (start < length) { - int tmp = parseMnemonics (buffer, start, tagStart, result); - int mnemonic = parseMnemonics (buffer, Math.max (tagStart, linkStart), length, result); - if (mnemonic == -1) mnemonic = tmp; - mnemonics [linkIndex] = mnemonic; - } else { - mnemonics [linkIndex] = -1; - } - if (offsets.length != linkIndex) { - Point [] newOffsets = new Point [linkIndex]; - System.arraycopy (offsets, 0, newOffsets, 0, linkIndex); - offsets = newOffsets; - String [] newIDs = new String [linkIndex]; - System.arraycopy (ids, 0, newIDs, 0, linkIndex); - ids = newIDs; - int [] newMnemonics = new int [linkIndex + 1]; - System.arraycopy (mnemonics, 0, newMnemonics, 0, linkIndex + 1); - mnemonics = newMnemonics; - } - return result.toString (); -} - -int parseMnemonics (char[] buffer, int start, int end, StringBuffer result) { - int mnemonic = -1, index = start; - while (index < end) { - if (buffer [index] == '&') { - if (index + 1 < end && buffer [index + 1] == '&') { - result.append (buffer [index]); - index++; - } else { - mnemonic = result.length(); - } - } else { - result.append (buffer [index]); - } - index++; - } - return mnemonic; -} - -void updateBackground () { - NSColor nsColor = null; - if (backgroundImage != null) { - nsColor = NSColor.colorWithPatternImage(backgroundImage.handle); - } else if (background != null) { - nsColor = NSColor.colorWithDeviceRed(background[0], background[1], background[2], background[3]); - } - setBackground(nsColor); -} - -void setBackground(NSColor nsColor) { - NSTextView widget = (NSTextView)view; - if (nsColor == null) { - widget.setDrawsBackground(false); - } else { - widget.setDrawsBackground(true); - widget.setBackgroundColor (nsColor); - } -} - -void setFont(NSFont font) { - ((NSTextView) view).setFont(font); -} - -void setForeground (float /*double*/ [] color) { - if (!getEnabled ()) return; - NSColor nsColor; - if (color == null) { - nsColor = NSColor.textColor (); - } else { - nsColor = NSColor.colorWithDeviceRed (color [0], color [1], color [2], 1); - } - ((NSTextView) view).setTextColor (nsColor); -} - -/** - * Sets the receiver's text. - * <p> - * The string can contain both regular text and hyperlinks. A hyperlink - * is delimited by an anchor tag, <A> and </A>. Within an - * anchor, a single HREF attribute is supported. When a hyperlink is - * selected, the text field of the selection event contains either the - * text of the hyperlink or the value of its HREF, if one was specified. - * In the rare case of identical hyperlinks within the same string, the - * HREF attribute can be used to distinguish between them. The string may - * include the mnemonic character and line delimiters. The only delimiter - * the HREF attribute supports is the quotation mark ("). - * </p> - * - * @param string the new text - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the text 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> - */ -public void setText (String string) { - checkWidget (); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if (string.equals (text)) return; - text = string; - NSTextView widget = (NSTextView)view; - widget.setString(NSString.stringWith(parse(string))); - NSTextStorage textStorage = widget.textStorage(); - NSRange range = new NSRange(); - for (int i = 0; i < offsets.length; i++) { - range.location = offsets[i].x; - range.length = offsets[i].y - offsets[i].x + 1; - textStorage.addAttribute(OS.NSLinkAttributeName, NSString.stringWith(ids[i]), range); - } -} - -public void setToolTipText(String string) { - ((NSTextView)view).setDisplaysLinkToolTips(string == null); - super.setToolTipText(string); -} - -void setZOrder () { - super.setZOrder (); - if (scrollView != null) scrollView.setDocumentView (view); -} - -NSView topView () { - return scrollView; -} - -void updateCursorRects (boolean enabled) { - super.updateCursorRects (enabled); - if (scrollView == null) return; - updateCursorRects (enabled, scrollView); - NSClipView contentView = scrollView.contentView (); - updateCursorRects (enabled, contentView); - contentView.setDocumentCursor (enabled ? NSCursor.IBeamCursor () : null); -} - -//int traversalCode (int key, int theEvent) { -// if (offsets.length == 0) return 0; -// int bits = super.traversalCode (key, theEvent); -// if (key == 48 /* Tab */ && theEvent != 0) { -// int [] modifiers = new int [1]; -// OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); -// boolean next = (modifiers [0] & OS.shiftKey) == 0; -// if (next && focusIndex < offsets.length - 1) { -// return bits & ~ SWT.TRAVERSE_TAB_NEXT; -// } -// if (!next && focusIndex > 0) { -// return bits & ~ SWT.TRAVERSE_TAB_PREVIOUS; -// } -// } -// return bits; -//} - -} - |