diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Text.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Text.java | 1424 |
1 files changed, 0 insertions, 1424 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Text.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Text.java deleted file mode 100755 index c28c5fd64f..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Text.java +++ /dev/null @@ -1,1424 +0,0 @@ -package org.eclipse.swt.widgets;
-
-/*
- * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. - * This file is made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-import org.eclipse.swt.internal.*;
-import org.eclipse.swt.internal.photon.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-/** - * Instances of this class are selectable user interface - * objects that allow the user to enter and modify text. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>MULTI, SINGLE, READ_ONLY, WRAP</dd> - * <dt><b>Events:</b></dt> - * <dd>DefaultSelection, Modify, Verify</dd> - * </dl> - * <p> - * Note: Only one of the styles MULTI and SINGLE may be specified. - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - */ -public class Text extends Scrollable {
- char echoCharacter;
- boolean ignoreChange;
- String hiddenText;
- int tabs, lastModifiedText;
- PtTextCallback_t textVerify;
-
- public static final int LIMIT;
- public static final String DELIMITER;
- /*
- * 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;
- DELIMITER = "\n";
- }
-
-/** - * 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#SINGLE - * @see SWT#MULTI - * @see SWT#READ_ONLY - * @see SWT#WRAP - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Text (Composite parent, int style) {
- super (parent, checkStyle (style));
-}
-
-static int checkStyle (int style) {
- style = checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
- if ((style & SWT.SINGLE) != 0) style &= ~(SWT.H_SCROLL | SWT.V_SCROLL | SWT.WRAP);
- if ((style & SWT.WRAP) != 0) style |= SWT.MULTI;
- if ((style & (SWT.SINGLE | SWT.MULTI)) != 0) return style;
- if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0) {
- return style | SWT.MULTI;
- }
- return style | SWT.SINGLE;
-}
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget();
-
- int [] args = new int [] {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- boolean wrap = (style & SWT.WRAP) != 0;
- if (wrap) {
- if (wHint == SWT.DEFAULT) {
- OS.PtSetResource (handle, OS.Pt_ARG_MULTITEXT_WRAP_FLAGS, OS.Pt_EMT_NEWLINE, ~0);
- } else {
- OS.PtSetResource (handle, OS.Pt_ARG_WIDTH, wHint, 0);
- }
- }
- int resizeFlags = OS.Pt_RESIZE_X_ALWAYS | OS.Pt_RESIZE_Y_ALWAYS;
- OS.PtSetResource (handle, OS.Pt_ARG_RESIZE_FLAGS, resizeFlags, OS.Pt_RESIZE_XY_BITS);
- if ((style & SWT.MULTI) != 0 || !OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle);
- PhDim_t dim = new PhDim_t ();
- OS.PtWidgetPreferredSize (handle, dim);
- int width = dim.w, height = dim.h;
- OS.PtSetResource (handle, OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS);
- if (wrap) {
- if (wHint == SWT.DEFAULT) {
- int wrapFlags = OS.Pt_EMT_WORD | OS.Pt_EMT_CHAR | OS.Pt_EMT_NEWLINE;
- OS.PtSetResource (handle, OS.Pt_ARG_MULTITEXT_WRAP_FLAGS, wrapFlags, ~0);
- }
- }
- OS.PtSetResources (handle, args.length / 3, args);
-
- ScrollBar scroll;
- int scrollWidth = (scroll = getVerticalBar ()) != null ? scroll.getSize ().x : 0;
- int scrollHeight = (scroll = getHorizontalBar ()) != null ? scroll.getSize ().y : 0;
- width += scrollWidth;
- if (!wrap) height += scrollHeight;
-
- if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) {
- PhRect_t rect = new PhRect_t ();
- PhArea_t area = new PhArea_t ();
- rect.lr_x = (short) (wHint - 1);
- rect.lr_y = (short) (hHint - 1);
- OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
- if (wHint != SWT.DEFAULT) width = area.size_w + scrollWidth;
- if (hHint != SWT.DEFAULT) height = area.size_h + scrollHeight;
- }
- return new Point(width, height);
-}
-/** - * Clears 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 void clearSelection () {
- checkWidget();
- int [] position = {0};
- if ((style & SWT.SINGLE) != 0) {
- int [] args = {OS.Pt_ARG_CURSOR_POSITION, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- position [0] = args [1];
- }
- OS.PtTextSetSelection (handle, position, position);
-}
-void createHandle (int index) {
- state |= HANDLE;
- Display display = getDisplay ();
- int parentHandle = parent.parentingHandle ();
- boolean hasBorder = (style & SWT.BORDER) != 0;
- int textFlags = (style & SWT.READ_ONLY) != 0 ? 0 : OS.Pt_EDITABLE;
- if ((style & SWT.SINGLE) != 0) {
- int clazz = display.PtText;
- int [] args = {
- OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
- OS.Pt_ARG_FLAGS, OS.Pt_CALLBACKS_ACTIVE, OS.Pt_CALLBACKS_ACTIVE,
- OS.Pt_ARG_TEXT_FLAGS, textFlags, OS.Pt_EDITABLE,
- OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
- };
- handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- return;
- }
- int clazz = display.PtMultiText;
- int wrapFlags = (style & SWT.WRAP) != 0 ? OS.Pt_EMT_WORD | OS.Pt_EMT_CHAR : 0;
- int [] args = {
- OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
- OS.Pt_ARG_FLAGS, OS.Pt_CALLBACKS_ACTIVE, OS.Pt_CALLBACKS_ACTIVE,
- OS.Pt_ARG_TEXT_FLAGS, textFlags, OS.Pt_EDITABLE,
- OS.Pt_ARG_MULTITEXT_WRAP_FLAGS, wrapFlags, OS.Pt_EMT_WORD | OS.Pt_EMT_CHAR,
- OS.Pt_ARG_SCROLLBAR_X_DISPLAY, (style & SWT.H_SCROLL) != 0 ? OS.Pt_ALWAYS : OS.Pt_NEVER, 0,
- OS.Pt_ARG_SCROLLBAR_Y_DISPLAY, (style & SWT.V_SCROLL) != 0 ? OS.Pt_ALWAYS : OS.Pt_NEVER, 0,
- OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
- };
- handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- createStandardScrollBars ();
-}
-
-void createWidget (int index) {
- super.createWidget (index);
-// doubleClick = true;
- setTabStops (tabs = 8);
-}
-
-/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's text is modified, by sending - * it one of the messages defined in the <code>ModifyListener</code> - * interface. - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see ModifyListener - * @see #removeModifyListener - */ -public void addModifyListener (ModifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Modify, typedListener);
-}
-
-/** - * Adds the listener to the collection of listeners who will - * be notified when the control is selected, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is not called for texts. - * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text. - * </p> - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #removeSelectionListener - * @see SelectionEvent - */ -public void addSelectionListener (SelectionListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Selection,typedListener);
- addListener (SWT.DefaultSelection,typedListener);
-}
-
-/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's text is verified, by sending - * it one of the messages defined in the <code>VerifyListener</code> - * interface. - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see VerifyListener - * @see #removeVerifyListener - */ -public void addVerifyListener (VerifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Verify, typedListener);
-}
-
-/** - * Appends a string. - * <p> - * The new text is appended to the text at - * the end of the widget. - * </p> - * - * @param string the string to be appended - * - * @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> - */ -public void append (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- byte [] buffer = Converter.wcsToMbcs (null, string, false);
- OS.PtTextModifyText (handle, 0, 0, -1, buffer, buffer.length);
-}
-
-/** - * 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();
- int [] start = new int [1], end = new int [1];
- int length = OS.PtTextGetSelection (handle, start, end);
- if (length <= 0) return;
- int [] args = {OS.Pt_ARG_TEXT_STRING, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- byte[] buffer = new byte[length + 1];
- OS.memmove (buffer, args [1] + start [0], length);
- int ig = OS.PhInputGroup (0);
- OS.PhClipboardCopyString((short)ig, buffer);
-}
-
-/** - * Cuts the selected text. - * <p> - * The current selection is first copied to the - * clipboard and then deleted from the widget. - * </p> - * - * @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> - */ -public void cut () {
- checkWidget();
- int [] start = new int [1], end = new int [1];
- int length = OS.PtTextGetSelection (handle, start, end);
- if (length <= 0) return;
- int [] args = {OS.Pt_ARG_TEXT_STRING, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- byte[] buffer = new byte[length + 1];
- OS.memmove (buffer, args [1] + start [0], length);
- int ig = OS.PhInputGroup (0);
- OS.PhClipboardCopyString((short)ig, buffer);
- buffer = new byte[0];
- OS.PtTextModifyText (handle, start [0], end [0], start [0], buffer, buffer.length);
-}
-
-void deregister () {
- super.deregister ();
-
- /*
- * Bug in Photon. Even though the Pt_CB_GOT_FOCUS callback
- * is added to the multi-line text, the widget parameter
- * in the callback is a child of the multi-line text. The fix
- * is to register that child so that the lookup in the widget
- * table will find the muti-line text.
- */
- if ((style & SWT.MULTI) == 0) return;
- int child = OS.PtWidgetChildBack (handle);
- WidgetTable.remove (child);
-}
-
-int defaultBackground () {
- Display display = getDisplay ();
- return display.TEXT_BACKGROUND;
-}
-
-int defaultForeground () {
- Display display = getDisplay ();
- return display.TEXT_FOREGROUND;
-}
-
-/** - * Gets the line number of the caret. - * <p> - * The line number of the caret is returned. - * </p> - * - * @return the line number - * - * @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> - */ -public int getCaretLineNumber () {
- checkWidget();
- //NOT DONE - NOT NEEDED
- return 0;
-}
-
-/** - * Gets the location the caret. - * <p> - * The location of the caret is returned. - * </p> - * - * @return a point, the location of the caret - * - * @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 Point getCaretLocation () {
- checkWidget();
- //NOT DONE - NOT NEEDED
- return null;
-}
-
-/** - * Gets the position of the caret. - * <p> - * The character position of the caret is returned. - * </p> - * - * @return the position of the caret - * - * @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 getCaretPosition () {
- checkWidget();
- int [] args = {OS.Pt_ARG_CURSOR_POSITION, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- return args [1];
-}
-
-/** - * Gets the number of characters. - * - * @return number of characters in the widget - * - * @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 getCharCount () {
- checkWidget();
- int [] args = {OS.Pt_ARG_TEXT_STRING, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- if (args [1] == 0) return 0;
- return OS.strlen (args [1]);
-}
-
-/** - * Gets the double click enabled flag. - * <p> - * The double click flag enables or disables the - * default action of the text widget when the user - * double clicks. - * </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 boolean getDoubleClickEnabled () {
- checkWidget();
- //NOT DONE - NOT NEEDED
- return false;
-}
-
-/** - * Gets the echo character. - * <p> - * The echo character is the character that is - * displayed when the user enters text or the - * text is changed by the programmer. - * </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 char getEchoChar () {
- checkWidget();
- return echoCharacter;
-}
-
-/** - * Gets the editable state. - * - * @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 boolean getEditable () {
- checkWidget();
- int [] args = {OS.Pt_ARG_TEXT_FLAGS, 0, 0};
- OS.PtGetResources(handle, args.length / 3, args);
- return (args [1] & OS.Pt_EDITABLE) != 0;
-}
-
-/** - * Gets the number of lines. - * - * @return the number of lines in the widget - * - * @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 getLineCount () {
- checkWidget();
- if ((style & SWT.SINGLE) != 0) return 1;
- int [] args = {OS.Pt_ARG_MULTITEXT_NUM_LINES, 0, 0};
- OS.PtGetResources(handle, args.length / 3, args);
- return args [1];
-}
-
-/** - * Gets the line delimiter. - * - * @return a string that is the line delimiter - * - * @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 getLineDelimiter () {
- checkWidget();
- return "\n";
-}
-
-/** - * Gets the height of a line. - * - * @return the height of a row of 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 int getLineHeight () {
- checkWidget();
- if ((style & SWT.SINGLE) != 0) {
- PhDim_t dim = new PhDim_t ();
- if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle);
- OS.PtWidgetPreferredSize (handle, dim);
- PhRect_t extent = new PhRect_t ();
- OS.PtWidgetExtent(handle, extent);
- PhRect_t canvas = new PhRect_t ();
- OS.PtWidgetCanvas (handle, canvas);
- int topBorder = canvas.ul_y - extent.ul_y;
- int bottomBorder = extent.lr_y - canvas.lr_y;
- return dim.h - topBorder - bottomBorder;
- }
- int ptr = OS.malloc (20);
- int [] args = {
- OS.Pt_ARG_MULTITEXT_QUERY_LINE, ptr, 1,
- OS.Pt_ARG_MULTITEXT_LINE_SPACING, 0, 0
- };
- OS.PtGetResources (handle, args.length / 3, args);
- int [] line = new int [1];
- OS.memmove (line, args [1] + 8, 4);
- PhRect_t extent = new PhRect_t ();
- OS.memmove (extent, line [0] + 10, 8);
- OS.free(ptr);
- return extent.lr_y - extent.ul_y + 1 + args [4];
-}
-
-String getNameText () {
- if ((style & SWT.SINGLE) != 0) return getText ();
- return getText (0, Math.min(getCharCount () - 1, 10));
-}
-
-/** - * Gets the position of the selected text. - * <p> - * Indexing is zero based. The range of - * a selection is from 0..N where N is - * the number of characters in the widget. - * </p> - * - * @return the start and end of 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 Point getSelection () {
- checkWidget();
- if (textVerify != null) {
- return new Point (textVerify.start_pos, textVerify.end_pos);
- }
- int [] start = new int [1], end = new int [1];
- OS.PtTextGetSelection (handle, start, end);
- if (start [0] == -1) {
- int [] args = {OS.Pt_ARG_CURSOR_POSITION, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- start [0] = end [0] = args [1];
- }
- return new Point (start [0], end [0]);
-}
-
-/** - * Gets the number of selected characters. - * - * @return the number of selected characters. - * - * @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 getSelectionCount () {
- checkWidget();
- Point selection = getSelection ();
- return selection.y - selection.x;
-}
-
-/** - * Gets the selected text. - * - * @return the selected 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 getSelectionText () {
- checkWidget();
- /*
- * NOTE: The current implementation uses substring ()
- * which can reference a potentially large character
- * array.
- */
- Point selection = getSelection ();
- return getText ().substring (selection.x, selection.y);
-}
-
-/** - * Gets the number of tabs. - * <p> - * Tab stop spacing is specified in terms of the - * space (' ') character. The width of a single - * tab stop is the pixel width of the spaces. - * </p> - * - * @return the number of tab characters - * - * @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 getTabs () {
- checkWidget();
- return tabs;
-}
-
-int getTabWidth (int tabs) {
- int [] args = new int [] {OS.Pt_ARG_TEXT_FONT, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- PhRect_t rect = new PhRect_t ();
- int ptr = OS.malloc (1);
- OS.memmove (ptr, new byte [] {' '}, 1);
- OS.PfExtentText(rect, null, args [1], ptr, 1);
- OS.free (ptr);
- int width = rect.lr_x - rect.ul_x + 1;
- return width * tabs;
-}
-
-/** - * Gets a range of text. - * <p> - * Indexing is zero based. The range of - * a selection is from 0..N-1 where N is - * the number of characters in the widget. - * </p> - * - * @param start the start of the range - * @param end the end of the range - * @return the range of 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 (int start, int end) {
- checkWidget();
- /*
- * NOTE: The current implementation uses substring ()
- * which can reference a potentially large character
- * array.
- */
- //NOT DONE - use OS in SINGLE text
- return getText ().substring (start, end + 1);
-}
-
-/** - * Gets the widget text. - * <p> - * The text for a text widget is the characters in the widget. - * </p> - * - * @return the widget 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();
- if (echoCharacter != '\0') return hiddenText;
- int [] args = {OS.Pt_ARG_TEXT_STRING, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- if (args [1] == 0) return "";
- int length = OS.strlen (args [1]);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, args [1], length);
- char [] unicode = Converter.mbcsToWcs (null, buffer);
- return new String (unicode);
-}
-
-/** - * Returns the maximum number of characters that the receiver is capable of holding. - * <p> - * If this has not been changed by <code>setTextLimit()</code>, - * it will be the constant <code>Text.LIMIT</code>. - * </p> - * - * @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> - */ -public int getTextLimit () {
- checkWidget();
- int [] args = new int [] {OS.Pt_ARG_MAX_LENGTH, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- return args [1];
-}
-
-/** - * Returns the zero-relative index of the line which is currently - * at the top of the receiver. - * <p> - * This index can change when lines are scrolled or new lines are added or removed. - * </p> - * - * @return the index of the top line - * - * @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 getTopIndex () {
- checkWidget();
- if ((style & SWT.SINGLE) != 0) return 0;
- int [] args = {OS.Pt_ARG_MULTITEXT_TOP_LINE, 0, 0};
- OS.PtGetResources(handle, args.length / 3, args);
- return args [1] - 1;
-}
-
-/** - * Gets the top pixel. - * <p> - * The top pixel is the pixel position of the line - * that is currently at the top of the widget. On - * some platforms, a text widget can be scrolled by - * pixels instead of lines so that a partial line - * is displayed at the top of the widget. - * </p><p> - * The top pixel changes when the widget is scrolled. - * The top pixel does not include the widget trimming. - * </p> - * - * @return the pixel position of the top line - * - * @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 getTopPixel () {
- checkWidget();
- //NOT DONE - NOT NEEDED
- return 0;
-}
-
-void hookEvents () {
- super.hookEvents ();
- int windowProc = getDisplay ().windowProc;
- OS.PtAddCallback (handle, OS.Pt_CB_MODIFY_VERIFY, windowProc, SWT.Verify);
- OS.PtAddCallback (handle, OS.Pt_CB_TEXT_CHANGED, windowProc, SWT.Modify);
-}
-
-/** - * Inserts a string. - * <p> - * The old selection is replaced with the new text. - * </p> - * - * @param string the string - * - * @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 insert (String string) {
- checkWidget();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- byte [] buffer = Converter.wcsToMbcs (null, string, false);
- int [] start = new int [1], end = new int [1];
- OS.PtTextGetSelection (handle, start, end);
- if (start [0] == -1) {
- int [] args = {OS.Pt_ARG_CURSOR_POSITION, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- start [0] = end [0] = args [1];
- }
- OS.PtTextModifyText (handle, start [0], end [0], start [0], buffer, buffer.length);
-}
-
-/** - * 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();
- int ig = OS.PhInputGroup (0);
- int ptr = OS.PhClipboardPasteString((short)ig);
- if (ptr == 0) return;
- int length = OS.strlen (ptr);
- int [] start = new int [1], end = new int [1];
- OS.PtTextGetSelection (handle, start, end);
- if (start [0] == -1) {
- int [] args = {OS.Pt_ARG_CURSOR_POSITION, 0, 0};
- OS.PtGetResources (handle, args.length / 3, args);
- start [0] = end [0] = args [1];
- }
- OS.PtTextModifyText (handle, start [0], end [0], end [0], ptr, length);
- OS.free(ptr);
-}
-
-int processEvent (int widget, int data, int info) {
-
- /*
- * Bug in Photon. Even though the Pt_CB_GOT_FOCUS callback
- * is added to the multi-line text, the widget parameter
- * in the callback is a child of the multi-line text. The fix
- * is to register that child so that the lookup in the widget
- * table will find the muti-line text and avoid multiple
- * Pt_CB_LOST_FOCUS callbacks.
- */
- if ((style & SWT.MULTI) != 0) {
- if (widget != handle && data == SWT.FocusOut) {
- return OS.Pt_CONTINUE;
- }
- }
- return super.processEvent (widget, data, info);
-}
-
-int processModify (int info) {
- if (lastModifiedText != 0) {
- OS.free (lastModifiedText);
- lastModifiedText = 0;
- }
- if (!ignoreChange) sendEvent (SWT.Modify);
- return OS.Pt_CONTINUE;
-}
-
-int processPaint (int damage) {
- if ((style & SWT.SINGLE) != 0) {
- OS.PtSuperClassDraw (OS.PtText (), handle, damage);
- } else {
- OS.PtSuperClassDraw (OS.PtMultiText (), handle, damage);
- }
- return super.processPaint (damage);
-}
-
-int processVerify (int info) {
- if (lastModifiedText != 0) {
- OS.free (lastModifiedText);
- lastModifiedText = 0;
- }
- if (echoCharacter == '\0' && !hooks (SWT.Verify) && !filters (SWT.Verify)) return 0;
- PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
- OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
- PtTextCallback_t textVerify = new PtTextCallback_t ();
- OS.memmove (textVerify, cbinfo.cbdata, PtTextCallback_t.sizeof);
- byte [] buffer = new byte [textVerify.length];
- OS.memmove (buffer, textVerify.text, buffer.length);
- String text = new String (Converter.mbcsToWcs (null, buffer));
- String newText = text;
- if (!ignoreChange) {
- Event event = new Event ();
- event.start = textVerify.start_pos;
- event.end = textVerify.end_pos;
- event.doit = textVerify.doit != 0;
- event.text = text;
- if (cbinfo.event != 0) {
- int data = OS.PhGetData (cbinfo.event);
- if (data != 0) {
- PhKeyEvent_t ke = new PhKeyEvent_t ();
- OS.memmove (ke, data, PhKeyEvent_t.sizeof);
- if ((ke.key_flags & (OS.Pk_KF_Key_Down | OS.Pk_KF_Key_Repeat)) != 0) {
- setKeyState (event, ke);
- }
- }
- }
- sendEvent (SWT.Verify, event);
- newText = event.text;
- textVerify.doit = (event.doit && newText != null) ? 1 : 0;
- }
- if (newText != null) {
- if (echoCharacter != '\0' && (textVerify.doit != 0)) {
- String prefix = hiddenText.substring (0, textVerify.start_pos);
- String suffix = hiddenText.substring (textVerify.end_pos, hiddenText.length ());
- hiddenText = prefix + newText + suffix;
- char [] charBuffer = new char [newText.length ()];
- for (int i=0; i<charBuffer.length; i++) {
- charBuffer [i] = echoCharacter;
- }
- newText = new String (charBuffer);
- }
- if (newText != text) {
- byte [] buffer2 = Converter.wcsToMbcs (null, newText, true);
- int length = buffer2.length - 1;
- if (length == textVerify.length) {
- OS.memmove(textVerify.text, buffer2, length);
- } else {
- int ptr = OS.malloc (length);
- OS.memmove (ptr, buffer2, buffer2.length);
- textVerify.new_insert += length - textVerify.length;
- textVerify.text = ptr;
- textVerify.length = length;
- lastModifiedText = ptr;
- }
- }
- }
- OS.memmove (cbinfo.cbdata, textVerify, PtTextCallback_t.sizeof);
- textVerify = null;
- return OS.Pt_CONTINUE;
-}
-
-void register () {
- super.register ();
-
- /*
- * Bug in Photon. Even though the Pt_CB_GOT_FOCUS callback
- * is added to the multi-line text, the widget parameter
- * in the callback is a child of the multi-line text. The fix
- * is to register that child so that the lookup in the widget
- * table will find the muti-line text.
- */
- if ((style & SWT.MULTI) == 0) return;
- int child = OS.PtWidgetChildBack (handle);
- WidgetTable.put (child, this);
-}
-
-void releaseWidget () {
- super.releaseWidget ();
- if (lastModifiedText != 0) OS.free (lastModifiedText);
- lastModifiedText = 0;
- hiddenText = null;
- textVerify = null;
-}
-
-/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver's text is modified. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see ModifyListener - * @see #addModifyListener - */ -public void removeModifyListener (ModifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Modify, listener);
-}
-
-/** - * Removes the listener from the collection of listeners who will - * be notified when the control is selected. - * - * @param listener the listener which should 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 - */ -public void removeVerifyListener (VerifyListener listener) {
- checkWidget();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Verify, listener);
-}
-
-/** - * Selects all the text in the receiver. - * - * @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 selectAll () {
- checkWidget();
- OS.PtTextSetSelection (handle, new int [] {0}, new int [] {0x7FFFFFFF});
-}
-
-/** - * Sets the echo character. - * <p> - * The echo character is the character that is - * displayed when the user enters text or the - * text is changed by the programmer. Setting - * the echo character to '\0' clears the echo - * character and redraws the original text. - * If for any reason the echo character is invalid, - * the default echo character for the platform - * is used. - * </p> - * - * @param echo the new echo character - * - * @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 setEchoChar (char echo) {
- checkWidget();
- if (echoCharacter == echo) return;
- String newText;
- if (echo == 0) {
- newText = hiddenText;
- hiddenText = null;
- } else {
- newText = hiddenText = getText();
- }
- echoCharacter = echo;
- Point selection = getSelection();
- boolean oldValue = ignoreChange;
- ignoreChange = true;
- setText(newText);
- setSelection(selection.x, selection.y);
- ignoreChange = oldValue;
-}
-
-/** - * Sets the double click enabled flag. - * <p> - * The double click flag enables or disables the - * default action of the text widget when the user - * double clicks. - * </p> - * - * @param doubleClick the new double click flag - * - * @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 setDoubleClickEnabled (boolean doubleClick) {
- checkWidget();
- //NOT DONE - NOT NEEDED
-}
-
-/** - * Sets the editable state. - * - * @param editable the new editable state - * - * @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 setEditable (boolean editable) {
- checkWidget();
- style &= ~SWT.READ_ONLY;
- if (!editable) style |= SWT.READ_ONLY;
- int flags = editable ? OS.Pt_EDITABLE : 0;
- OS.PtSetResource (handle, OS.Pt_ARG_TEXT_FLAGS, flags, OS.Pt_EDITABLE);
-}
-
-public void setFont (Font font) {
- super.setFont (font);
- setTabStops (tabs);
-}
-
-/** - * Sets the selection. - * <p> - * Indexing is zero based. The range of - * a selection is from 0..N where N is - * the number of characters in the widget. - * </p><p> - * Text selections are specified in terms of - * caret positions. In a text widget that - * contains N characters, there are N+1 caret - * positions, ranging from 0..N. This differs - * from other functions that address character - * position such as getText () that use the - * regular array indexing rules. - * </p> - * - * @param start new caret position - * - * @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 position) {
- checkWidget();
- OS.PtSetResource (handle, OS.Pt_ARG_CURSOR_POSITION, position, 0);
-
- /*
- * Feature in Photon. On a single-line text, the selection is
- * not cleared when setting the cursor position. The fix is to
- * set the selection start and end values to the specified
- * position.
- */
- if ((style & SWT.SINGLE) != 0) {
- int [] selection = {position};
- OS.PtTextSetSelection (handle, selection, selection);
- }
-}
-
-/** - * Sets the selection. - * <p> - * Indexing is zero based. The range of - * a selection is from 0..N where N is - * the number of characters in the widget. - * </p><p> - * Text selections are specified in terms of - * caret positions. In a text widget that - * contains N characters, there are N+1 caret - * positions, ranging from 0..N. This differs - * from other functions that address character - * position such as getText () that use the - * usual array indexing rules. - * </p> - * - * @param selection the point - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the point 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 setSelection (Point selection) {
- checkWidget();
- if (selection == null) error (SWT.ERROR_NULL_ARGUMENT);
- setSelection (selection.x, selection.y);
-}
-
-/** - * Sets the selection. - * <p> - * Indexing is zero based. The range of - * a selection is from 0..N where N is - * the number of characters in the widget. - * </p><p> - * Text selections are specified in terms of - * caret positions. In a text widget that - * contains N characters, there are N+1 caret - * positions, ranging from 0..N. This differs - * from other functions that address character - * position such as getText () that use the - * usual array indexing rules. - * </p> - * - * @param start the start of the range - * @param end the end of the range - * - * @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 start, int end) {
- checkWidget();
- OS.PtTextSetSelection (handle, new int [] {start}, new int [] {end});
-
- /*
- * Feature in Photon. On a multi-line text, the caret position
- * is not changed with the selection start and end values are
- * the same. The fix is to detect this case and change the
- * cursor position.
- */
- if ((style & SWT.MULTI) != 0 && start == end) {
- OS.PtSetResource (handle, OS.Pt_ARG_CURSOR_POSITION, start, 0);
- }
-}
-
- /** - * Sets the number of tabs. - * <p> - * Tab stop spacing is specified in terms of the - * space (' ') character. The width of a single - * tab stop is the pixel width of the spaces. - * </p> - * - * @param tabs the number of tabs - * - * </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 setTabs (int tabs) {
- checkWidget();
- if (tabs < 0) return;
- setTabStops (this.tabs = tabs);
-}
-
-void setTabStops (int tabs) {
- if ((style & SWT.SINGLE) != 0) return;
- int tabsWidth = getTabWidth (tabs);
- int ptr = OS.malloc (4);
- OS.memmove (ptr, new int [] {tabsWidth}, 4);
- OS.PtSetResource (handle, OS.Pt_ARG_MULTITEXT_TABS, ptr, 1);
- OS.free (ptr);
-}
-
-/** - * Sets the contents of the receiver to the given string. If the receiver has style - * SINGLE and the argument contains multiple lines of text, the result of this - * operation is undefined and may vary from platform to platform. - * - * @param text the new text - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the string 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);
- byte [] buffer = Converter.wcsToMbcs (null, string, true);
- int ptr = OS.malloc (buffer.length);
- OS.memmove (ptr, buffer, buffer.length);
- OS.PtSetResource (handle, OS.Pt_ARG_TEXT_STRING, ptr, 0);
- OS.free (ptr);
-}
-
-/** - * Sets the maximum number of characters that the receiver - * is capable of holding to be the argument. - * <p> - * Instead of trying to set the text limit to zero, consider - * creating a read-only text widget. - * </p><p> - * To reset this value to the default, use <code>setTextLimit(Text.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> - */ -public void setTextLimit (int limit) {
- checkWidget();
- if (limit == 0) error (SWT.ERROR_CANNOT_BE_ZERO);
- OS.PtSetResource (handle, OS.Pt_ARG_MAX_LENGTH, limit, 0);
-}
-
-/** - * Sets the zero-relative index of the line which is currently - * at the top of the receiver. This index can change when lines - * are scrolled or new lines are added and removed. - * - * @param index the index of the top item - * - * @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 setTopIndex (int index) {
- checkWidget();
- if ((style & SWT.SINGLE) != 0) return;
- OS.PtSetResource (handle, OS.Pt_ARG_MULTITEXT_TOP_LINE, index + 1, 0);
-}
-
-/** - * Shows the selection. - * <p> - * If the selection is already showing - * in the receiver, this method simply returns. Otherwise, - * lines are scrolled until the selection is visible. - * </p> - * - * @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> - */ -public void showSelection () {
- checkWidget();
- //NOT DONE - NOT NEEDED
-}
-
-int traversalCode (int key_sym, PhKeyEvent_t ke) {
- int code = super.traversalCode (key_sym, ke);
- if ((style & SWT.READ_ONLY) != 0) return code;
- if ((style & SWT.MULTI) != 0) {
- code &= ~SWT.TRAVERSE_RETURN;
- if (key_sym == OS.Pk_Tab && ke != null) {
- if ((ke.key_mods & OS.Pk_KM_Ctrl) == 0) {
- code &= ~(SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS);
- }
- }
- }
- return code;
-}
-
-boolean translateTraversal (int key_sym, PhKeyEvent_t phEvent) {
- boolean translated = super.translateTraversal (key_sym, phEvent);
- if ((style & SWT.SINGLE) != 0 && !translated && key_sym == OS.Pk_Return) {
- postEvent (SWT.DefaultSelection);
- return false;
- }
- return translated;
-}
-
-}
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