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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Button.java')
-rwxr-xr-xbundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Button.java726
1 files changed, 0 insertions, 726 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Button.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Button.java
deleted file mode 100755
index 7e9dc5c574..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Button.java
+++ /dev/null
@@ -1,726 +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.motif.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-/**
- * Instances of this class represent a selectable user interface object that
- * issues notification when pressed and released.
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>ARROW, CHECK, PUSH, RADIO, TOGGLE, FLAT</dd>
- * <dd>UP, DOWN, LEFT, RIGHT, CENTER</dd>
- * <dt><b>Events:</b></dt>
- * <dd>Selection</dd>
- * </dl>
- * <p>
- * Note: Only one of the styles ARROW, CHECK, PUSH, RADIO, and TOGGLE
- * may be specified.
- * </p><p>
- * Note: Only one of the styles LEFT, RIGHT, and CENTER may be specified.
- * </p><p>
- * Note: Only one of the styles UP, DOWN, LEFT, and RIGHT may be specified
- * when the ARROW style is specified.
- * </p><p>
- * IMPORTANT: This class is intended to be subclassed <em>only</em>
- * within the SWT implementation.
- * </p>
- */
-public class Button extends Control {
- Image image, bitmap, disabled;
- static final byte [] ARM_AND_ACTIVATE;
- static {
- String name = "ArmAndActivate";
- int length = name.length();
- char [] unicode = new char [length];
- name.getChars (0, length, unicode, 0);
- byte [] buffer = new byte [length + 1];
- for (int i = 0; i < length; i++) {
- buffer[i] = (byte) unicode[i];
- }
- ARM_AND_ACTIVATE = buffer;
- }
-/**
- * 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#ARROW
- * @see SWT#CHECK
- * @see SWT#PUSH
- * @see SWT#RADIO
- * @see SWT#TOGGLE
- * @see SWT#FLAT
- * @see SWT#LEFT
- * @see SWT#RIGHT
- * @see SWT#CENTER
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public Button (Composite parent, int style) {
- super (parent, checkStyle (style));
-}
-/**
- * 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 called when the control is selected.
- * <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);
-}
-static int checkStyle (int style) {
- style = checkBits (style, SWT.PUSH, SWT.ARROW, SWT.CHECK, SWT.RADIO, SWT.TOGGLE, 0);
- if ((style & SWT.PUSH) != 0) {
- return checkBits (style, SWT.CENTER, SWT.LEFT, SWT.RIGHT, 0, 0, 0);
- }
- if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) != 0) {
- return checkBits (style, SWT.LEFT, SWT.RIGHT, SWT.CENTER, 0, 0, 0);
- }
- if ((style & SWT.ARROW) != 0) {
- return checkBits (style, SWT.UP, SWT.DOWN, SWT.LEFT, SWT.RIGHT, 0, 0);
- }
- return style;
-}
-void click () {
- OS.XtCallActionProc (handle, ARM_AND_ACTIVATE, new XAnyEvent (), null, 0);
-}
-public Point computeSize (int wHint, int hHint, boolean changed) {
- checkWidget();
- int border = getBorderWidth ();
- int width = border * 2, height = border * 2;
- if ((style & SWT.ARROW) != 0) {
- Display display = getDisplay ();
- width += display.scrolledMarginX;
- height += display.scrolledMarginY;
- return new Point (width, height);
- }
- XtWidgetGeometry result = new XtWidgetGeometry ();
- result.request_mode = OS.CWWidth | OS.CWHeight;
- int [] argList2 = {OS.XmNrecomputeSize, 1};
- OS.XtSetValues(handle, argList2, argList2.length / 2);
- OS.XtQueryGeometry (handle, null, result);
- int [] argList3 = {OS.XmNrecomputeSize, 0};
- OS.XtSetValues(handle, argList3, argList3.length / 2);
- width += result.width;
- height += result.height;
- /*
- * Feature in Motif. If a button's labelType is XmSTRING but it
- * has no label set into it yet, recomputing the size will
- * not take into account the height of the font, as we would
- * like it to. Take care of this case.
- */
- int [] argList = {OS.XmNlabelType, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (argList [1] == OS.XmSTRING) {
- int [] argList1 = {OS.XmNlabelString, 0};
- OS.XtGetValues (handle, argList1, argList1.length / 2);
- int xmString = argList1 [1];
- if (OS.XmStringEmpty (xmString)) height += getFontHeight ();
- if (xmString != 0) OS.XmStringFree (xmString);
- }
- if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) {
- int [] argList4 = new int [] {OS.XmNmarginLeft, 0, OS.XmNmarginRight, 0, OS.XmNmarginTop, 0, OS.XmNmarginBottom, 0};
- OS.XtGetValues (handle, argList4, argList4.length / 2);
- if (wHint != SWT.DEFAULT) width = wHint + argList4 [1] + argList4 [3] + (border * 2);
- if (hHint != SWT.DEFAULT) height = hHint + argList4 [5] + argList4 [7] + (border * 2);
- }
- return new Point (width, height);
-}
-void createHandle (int index) {
- state |= HANDLE;
- int borderWidth = (style & SWT.BORDER) != 0 ? 1 : 0;
- int parentHandle = parent.handle;
-
- /* ARROW button */
- if ((style & SWT.ARROW) != 0) {
- int alignment = OS.XmARROW_UP;
- if ((style & SWT.UP) != 0) alignment = OS.XmARROW_UP;
- if ((style & SWT.DOWN) != 0) alignment = OS.XmARROW_DOWN;
- if ((style & SWT.LEFT) != 0) alignment = OS.XmARROW_LEFT;
- if ((style & SWT.RIGHT) != 0) alignment = OS.XmARROW_RIGHT;
- int [] argList = {
- OS.XmNtraversalOn, 0,
- OS.XmNarrowDirection, alignment,
- OS.XmNborderWidth, borderWidth,
- OS.XmNancestorSensitive, 1,
- };
- handle = OS.XmCreateArrowButton (parentHandle, null, argList, argList.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- if ((style & SWT.FLAT) != 0) {
- int [] argList1 = {OS.XmNshadowThickness, 1};
- OS.XtSetValues (handle, argList1, argList1.length / 2);
- }
- return;
- }
-
- /* Compute alignment */
- int alignment = OS.XmALIGNMENT_BEGINNING;
- if ((style & SWT.CENTER) != 0) alignment = OS.XmALIGNMENT_CENTER;
- if ((style & SWT.RIGHT) != 0) alignment = OS.XmALIGNMENT_END;
-
- /* TOGGLE button */
- if ((style & SWT.TOGGLE) != 0) {
- /*
- * Bug in Motif. When XmNindicatorOn is set to false,
- * Motif doesn't reset the shadow thickness to give a
- * push button look. The fix is to set the shadow
- * thickness when ever this resource is changed.
- */
- Display display = getDisplay ();
- int thickness = display.buttonShadowThickness;
- int [] argList = {
- OS.XmNancestorSensitive, 1,
- OS.XmNrecomputeSize, 0,
- OS.XmNindicatorOn, 0,
- OS.XmNshadowThickness, (style & SWT.FLAT) != 0 ? 1 : thickness,
- OS.XmNalignment, alignment,
- OS.XmNborderWidth, borderWidth,
- };
- handle = OS.XmCreateToggleButton (parentHandle, null, argList, argList.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- return;
- }
-
- /* CHECK or RADIO button */
- if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
- /*
- * Bug in Motif. For some reason, a toggle button
- * with XmNindicatorType XmONE_OF_MANY must have this
- * value set at creation or the highlight color will
- * not be correct. The fix is to set these values
- * on create.
- */
- int indicatorType = OS.XmONE_OF_MANY;
- if ((style & SWT.CHECK) != 0) indicatorType = OS.XmN_OF_MANY;
- int [] argList = {
- OS.XmNancestorSensitive, 1,
- OS.XmNrecomputeSize, 0,
- OS.XmNindicatorType, indicatorType,
- OS.XmNalignment, alignment,
- OS.XmNborderWidth, borderWidth,
- };
- handle = OS.XmCreateToggleButton (parentHandle, null, argList, argList.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- return;
- }
-
- /* PUSH button */
- int [] argList = {
- OS.XmNancestorSensitive, 1,
- OS.XmNrecomputeSize, 0,
- OS.XmNalignment, alignment,
- OS.XmNborderWidth, borderWidth,
- /*
- * This code is intentionally commented. On some
- * platforms, the standard behavior is that push
- * buttons are tab groups, traversed with the tab
- * key. On Motif, push buttons are tab items,
- * that are traversed with the arrow keys. This
- * behavior is unspecifed so the line remains
- * commented.
- */
-// OS.XmNnavigationType, OS.XmTAB_GROUP,
- };
- handle = OS.XmCreatePushButton (parentHandle, null, argList, argList.length / 2);
- if (handle == 0) error (SWT.ERROR_NO_HANDLES);
- if ((style & SWT.FLAT) != 0) {
- int [] argList1 = {OS.XmNshadowThickness, 1};
- OS.XtSetValues (handle, argList1, argList1.length / 2);
- }
-}
-void createWidget (int index) {
- super.createWidget (index);
- if ((style & SWT.PUSH) == 0) return;
- if (getShell ().parent == null) return;
- int [] argList = new int [] {OS.XmNdefaultButtonShadowThickness, 1};
- OS.XtSetValues (handle, argList, argList.length / 2);
-}
-int defaultBackground () {
- return getDisplay ().buttonBackground;
-}
-Font defaultFont () {
- return getDisplay ().buttonFont;
-}
-int defaultForeground () {
- return getDisplay ().buttonForeground;
-}
-/**
- * Returns a value which describes the position of the
- * text or image in the receiver. The value will be one of
- * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
- * unless the receiver is an <code>ARROW</code> button, in
- * which case, the alignment will indicate the direction of
- * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>,
- * <code>UP</code> or <code>DOWN</code>).
- *
- * @return the alignment
- *
- * @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 getAlignment () {
- checkWidget();
- if ((style & SWT.ARROW) != 0) {
- int [] argList = {OS.XmNarrowDirection, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int direction = argList [1];
- if (direction == OS.XmARROW_UP) return SWT.UP;
- if (direction == OS.XmARROW_DOWN) return SWT.DOWN;
- if (direction == OS.XmARROW_LEFT) return SWT.LEFT;
- if (direction == OS.XmARROW_RIGHT) return SWT.RIGHT;
- return SWT.UP;
- }
- int [] argList = {OS.XmNalignment, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int alignment = argList [1];
- if (alignment == OS.XmALIGNMENT_BEGINNING) return SWT.LEFT;
- if (alignment == OS.XmALIGNMENT_CENTER) return SWT.CENTER;
- if (alignment == OS.XmALIGNMENT_END)return SWT.RIGHT;
- return SWT.CENTER;
-}
-boolean getDefault () {
- if ((style & SWT.PUSH) == 0) return false;
- int [] argList = {OS.XmNshowAsDefault, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1] != 0;
-}
-/**
- * Returns the receiver's image if it has one, or null
- * if it does not.
- *
- * @return the receiver's image
- *
- * @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 Image getImage () {
- checkWidget();
- return image;
-}
-String getNameText () {
- return getText ();
-}
-/**
- * Returns <code>true</code> if the receiver is selected,
- * and false otherwise.
- * <p>
- * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>,
- * it is selected when it is checked. When it is of type <code>TOGGLE</code>,
- * it is selected when it is pushed in. If the receiver is of any other type,
- * this method returns false.
- *
- * @return the selection 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 getSelection () {
- checkWidget();
- if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false;
- int [] argList = {OS.XmNset, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- return argList [1] != 0;
-}
-/**
- * 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();
- if ((style & SWT.ARROW) != 0) return "";
- int [] argList = {OS.XmNlabelString, 0, OS.XmNmnemonic, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- int xmString = argList [1];
- int mnemonic = argList [3];
- if (mnemonic == OS.XK_VoidSymbol) mnemonic = 0;
- if (xmString == 0) error (SWT.ERROR_CANNOT_GET_TEXT);
- char [] result = null;
- int address = OS.XmStringUnparse (
- xmString,
- null,
- OS.XmCHARSET_TEXT,
- OS.XmCHARSET_TEXT,
- null,
- 0,
- OS.XmOUTPUT_ALL);
- if (address != 0) {
- int length = OS.strlen (address);
- byte [] buffer = new byte [length];
- OS.memmove (buffer, address, length);
- OS.XtFree (address);
- result = Converter.mbcsToWcs (getCodePage (), buffer);
- }
- OS.XmStringFree (xmString);
- int count = 0;
- if (mnemonic != 0) count++;
- for (int i=0; i<result.length-1; i++)
- if (result [i] == Mnemonic) count++;
- char [] newResult = result;
- if ((count != 0) || (mnemonic != 0)) {
- newResult = new char [result.length + count];
- int i = 0, j = 0;
- while (i < result.length) {
- if ((mnemonic != 0) && (result [i] == mnemonic)) {
- if (j < newResult.length) newResult [j++] = Mnemonic;
- mnemonic = 0;
- }
- if ((newResult [j++] = result [i++]) == Mnemonic)
- if (j < newResult.length) newResult [j++] = Mnemonic;
- }
- }
- return new String (newResult);
-}
-void hookEvents () {
- super.hookEvents ();
- int callback = OS.XmNactivateCallback;
- int windowProc = getDisplay ().windowProc;
- if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) != 0) callback = OS.XmNvalueChangedCallback;
- OS.XtAddCallback (handle, callback, windowProc, SWT.Selection);
-}
-boolean mnemonicHit (char key) {
- if (!setFocus ()) return false;
- click ();
- return true;
-}
-boolean mnemonicMatch (char key) {
- char mnemonic = findMnemonic (getText ());
- if (mnemonic == '\0') return false;
- return Character.toUpperCase (key) == Character.toUpperCase (mnemonic);
-}
-int processFocusIn () {
- super.processFocusIn ();
- // widget could be disposed at this point
- if (handle == 0) return 0;
- if ((style & SWT.PUSH) != 0) {
- menuShell ().setDefaultButton (this, false);
- }
- return 0;
-}
-int processFocusOut () {
- super.processFocusOut ();
- // widget could be disposed at this point
- if (handle == 0) return 0;
- if ((style & SWT.PUSH) != 0 && getDefault ()) {
- menuShell ().setDefaultButton (null, false);
- }
- return 0;
-}
-int processSelection (int callData) {
- if ((style & SWT.RADIO) != 0) {
- if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) {
- selectRadio ();
- }
- }
- return super.processSelection (callData);
-}
-void releaseWidget () {
- super.releaseWidget ();
- int [] argList = {
- OS.XmNlabelPixmap, OS.XmUNSPECIFIED_PIXMAP,
- OS.XmNlabelInsensitivePixmap, OS.XmUNSPECIFIED_PIXMAP,
- };
- OS.XtSetValues (handle, argList, argList.length / 2);
- if (bitmap != null) bitmap.dispose ();
- if (disabled != null) disabled.dispose ();
- image = bitmap = disabled = null;
-}
-/**
- * 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);
-}
-void selectRadio () {
- /*
- * This code is intentionally commented. When two groups
- * of radio buttons with the same parent are separated by
- * another control, the correct behavior should be that
- * the two groups act independently. This is consistent
- * with radio tool and menu items. The commented code
- * implements this behavior.
- */
-// int index = 0;
-// Control [] children = parent._getChildren ();
-// while (index < children.length && children [index] != this) index++;
-// int i = index - 1;
-// while (i >= 0 && children [i].setRadioSelection (false)) --i;
-// int j = index + 1;
-// while (j < children.length && children [j].setRadioSelection (false)) j++;
-// setSelection (true);
- Control [] children = parent._getChildren ();
- for (int i=0; i<children.length; i++) {
- Control child = children [i];
- if (this != child) child.setRadioSelection (false);
- }
- setSelection (true);
-}
-/**
- * Controls how text, images and arrows will be displayed
- * in the receiver. The argument should be one of
- * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
- * unless the receiver is an <code>ARROW</code> button, in
- * which case, the argument indicates the direction of
- * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>,
- * <code>UP</code> or <code>DOWN</code>).
- *
- * @param alignment the new alignment
- *
- * @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 setAlignment (int alignment) {
- checkWidget();
- if ((style & SWT.ARROW) != 0) {
- int [] argList = {OS.XmNarrowDirection, OS.XmARROW_UP};
- if ((alignment & SWT.UP) != 0) argList [1] = OS.XmARROW_UP;
- if ((alignment & SWT.DOWN) != 0) argList [1] = OS.XmARROW_DOWN;
- if ((alignment & SWT.LEFT) != 0) argList [1] = OS.XmARROW_LEFT;
- if ((alignment & SWT.RIGHT) != 0) argList [1] = OS.XmARROW_RIGHT;
- OS.XtSetValues (handle, argList, argList.length / 2);
- return;
- }
- if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return;
- int [] argList = {OS.XmNalignment, OS.XmALIGNMENT_BEGINNING};
- if ((alignment & SWT.CENTER) != 0) argList [1] = OS.XmALIGNMENT_CENTER;
- if ((alignment & SWT.RIGHT) != 0) argList [1] = OS.XmALIGNMENT_END;
- OS.XtSetValues (handle, argList, argList.length / 2);
-}
-void setBackgroundPixel (int pixel) {
- super.setBackgroundPixel (pixel);
- int [] argList = {OS.XmNlabelType, 0};
- OS.XtGetValues (handle, argList, argList.length / 2);
- if (argList [1] == OS.XmPIXMAP) setBitmap (image);
-}
-void setBitmap (Image image) {
- int labelPixmap = OS.XmUNSPECIFIED_PIXMAP;
- int labelInsensitivePixmap = OS.XmUNSPECIFIED_PIXMAP;
- if (bitmap != null) bitmap.dispose ();
- if (disabled != null) disabled.dispose ();
- bitmap = disabled = null;
- if (image != null) {
- if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
- Display display = getDisplay ();
- switch (image.type) {
- case SWT.BITMAP:
- labelPixmap = image.pixmap;
- disabled = new Image (display, image, SWT.IMAGE_DISABLE);
- labelInsensitivePixmap = disabled.pixmap;
- break;
- case SWT.ICON:
- Rectangle rect = image.getBounds ();
- bitmap = new Image (display, rect.width, rect.height);
- GC gc = new GC (bitmap);
- gc.setBackground (getBackground ());
- gc.fillRectangle (rect);
- gc.drawImage (image, 0, 0);
- gc.dispose ();
- labelPixmap = bitmap.pixmap;
- disabled = new Image (display, bitmap, SWT.IMAGE_DISABLE);
- labelInsensitivePixmap = disabled.pixmap;
- break;
- default:
- error (SWT.ERROR_NOT_IMPLEMENTED);
- }
- }
- int [] argList = {
- OS.XmNlabelType, OS.XmPIXMAP,
- OS.XmNlabelPixmap, labelPixmap,
- OS.XmNlabelInsensitivePixmap, labelInsensitivePixmap,
- };
- OS.XtSetValues (handle, argList, argList.length / 2);
-}
-void setDefault (boolean value) {
- if ((style & SWT.PUSH) == 0) return;
- if (getShell ().parent == null) return;
- int [] argList = {OS.XmNshowAsDefault, (value ? 1 : 0)};
- OS.XtSetValues (handle, argList, argList.length / 2);
-}
-/**
- * Sets the receiver's image to the argument, which may be
- * null indicating that no image should be displayed.
- *
- * @param image the image to display on the receiver (may be null)
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</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 setImage (Image image) {
- checkWidget();
- setBitmap (this.image = image);
-}
-boolean setRadioSelection (boolean value) {
- if ((style & SWT.RADIO) == 0) return false;
- if (getSelection () != value) {
- setSelection (value);
- postEvent (SWT.Selection);
- }
- return true;
-}
-/**
- * Sets the selection state of the receiver, if it is of type <code>CHECK</code>,
- * <code>RADIO</code>, or <code>TOGGLE</code>.
- *
- * <p>
- * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>,
- * it is selected when it is checked. When it is of type <code>TOGGLE</code>,
- * it is selected when it is pushed in.
- *
- * @param selected the new selection 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 setSelection (boolean selected) {
- checkWidget();
- if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return;
- int [] argList = {OS.XmNset, selected ? 1 : 0};
- OS.XtSetValues (handle, argList, argList.length / 2);
-}
-/**
- * Sets the receiver's text.
- * <p>
- * This method sets the button label. The label may include
- * the mnemonic character but must not contain line delimiters.
- * </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 ((style & SWT.ARROW) != 0) return;
- char [] text = new char [string.length ()];
- string.getChars (0, text.length, text, 0);
- int i=0, j=0, mnemonic=0;
- while (i < text.length) {
- if ((text [j++] = text [i++]) == Mnemonic) {
- if (i == text.length) {continue;}
- if (text [i] == Mnemonic) {i++; continue;}
- if (mnemonic == 0) mnemonic = text [i];
- j--;
- }
- }
- while (j < text.length) text [j++] = 0;
- byte [] buffer = Converter.wcsToMbcs (getCodePage (), text, true);
- int xmString = OS.XmStringParseText (
- buffer,
- 0,
- OS.XmFONTLIST_DEFAULT_TAG,
- OS.XmCHARSET_TEXT,
- null,
- 0,
- 0);
- if (xmString == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
- if (mnemonic == 0) mnemonic = OS.XK_VoidSymbol;
- int [] argList = {
- OS.XmNlabelType, OS.XmSTRING,
- OS.XmNlabelString, xmString,
- OS.XmNmnemonic, mnemonic,
- };
- OS.XtSetValues (handle, argList, argList.length / 2);
- if (xmString != 0) OS.XmStringFree (xmString);
-}
-int traversalCode (int key, XKeyEvent xEvent) {
- return super.traversalCode (key, xEvent) | SWT.TRAVERSE_MNEMONIC;
-}
-}

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