| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.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 represents a button in a tool bar. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN |
| * may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| */ |
| public class ToolItem extends Item { |
| ToolBar parent; |
| Image hotImage, disabledImage; |
| String toolTipText; |
| Control control; |
| int width = DEFAULT_SEPARATOR_WIDTH; |
| boolean set; |
| |
| static final int DEFAULT_WIDTH = 24; |
| static final int DEFAULT_HEIGHT = 22; |
| static final int DEFAULT_SEPARATOR_WIDTH = 8; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>) and a style value |
| * describing its behavior and appearance. The item is added |
| * to the end of the items maintained by its parent. |
| * <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#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| parent.createItem (this, parent.getItemCount ()); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>), a style value |
| * describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <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 |
| * @param index the index to store the receiver in its parent |
| * |
| * @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#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style, int index) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| parent.createItem (this, index); |
| } |
| |
| /** |
| * 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> |
| * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
| * the event object detail field contains the value <code>SWT.ARROW</code>. |
| * <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) { |
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0); |
| } |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| void createHandle (int index) { |
| int parentHandle = parent.handle; |
| if ((style & SWT.SEPARATOR) != 0) { |
| int orientation = (parent.style & SWT.HORIZONTAL) != 0 ? OS.XmVERTICAL : OS.XmHORIZONTAL; |
| int [] argList = { |
| OS.XmNheight, orientation == OS.XmVERTICAL ? DEFAULT_HEIGHT : DEFAULT_SEPARATOR_WIDTH, |
| OS.XmNwidth, orientation == OS.XmHORIZONTAL ? DEFAULT_WIDTH : DEFAULT_SEPARATOR_WIDTH, |
| OS.XmNancestorSensitive, 1, |
| OS.XmNpositionIndex, index, |
| OS.XmNorientation, orientation, |
| OS.XmNseparatorType, (parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT, |
| }; |
| handle = OS.XmCreateSeparator (parentHandle, null, argList, argList.length / 2); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| return; |
| } |
| int [] argList = { |
| OS.XmNwidth, DEFAULT_WIDTH, |
| OS.XmNheight, DEFAULT_HEIGHT, |
| OS.XmNrecomputeSize, 0, |
| OS.XmNhighlightThickness, (parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1, |
| OS.XmNmarginWidth, 2, |
| OS.XmNmarginHeight, 1, |
| OS.XmNtraversalOn, (parent.style & SWT.NO_FOCUS) != 0 ? 0 : 1, |
| OS.XmNpositionIndex, index, |
| OS.XmNshadowType, OS.XmSHADOW_OUT, |
| OS.XmNancestorSensitive, 1, |
| }; |
| handle = OS.XmCreateDrawnButton (parentHandle, null, argList, argList.length / 2); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| int pixel = parent.getBackgroundPixel (); |
| setBackgroundPixel (pixel); |
| } |
| |
| void click (boolean dropDown, int state) { |
| if ((style & SWT.RADIO) != 0) { |
| selectRadio (); |
| } else { |
| if ((style & SWT.CHECK) != 0) setSelection(!set); |
| } |
| Event event = new Event (); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| if (dropDown) { |
| event.detail = SWT.ARROW; |
| int [] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNheight, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| event.x = (short) argList [1]; |
| event.y = (short) argList [3] + (short) argList [5]; |
| } |
| } |
| if (state != 0) setInputState (event, state); |
| postEvent (SWT.Selection, event); |
| } |
| |
| Point computeSize (GC gc) { |
| int width = 0, height = 0; |
| if ((style & SWT.SEPARATOR) != 0) { |
| if ((parent.style & SWT.HORIZONTAL) != 0) { |
| width = getWidth (); |
| height = DEFAULT_HEIGHT; |
| } else { |
| width = DEFAULT_WIDTH; |
| height = getWidth (); |
| } |
| if (control != null) { |
| height = Math.max (height, control.getMinimumHeight ()); |
| } |
| return new Point(width, height); |
| } |
| int [] argList = { |
| OS.XmNmarginHeight, 0, |
| OS.XmNmarginWidth, 0, |
| OS.XmNshadowThickness, 0, |
| }; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| int marginHeight = argList [1], marginWidth = argList [3]; |
| int shadowThickness = argList [5]; |
| if ((parent.style & SWT.FLAT) != 0) { |
| shadowThickness = Math.min (2, display.buttonShadowThickness); |
| } |
| if (text.length() != 0 || image != null) { |
| int textWidth = 0, textHeight = 0; |
| if (text.length () != 0) { |
| int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC; |
| Point textExtent = gc.textExtent (text, flags); |
| textWidth = textExtent.x; |
| textHeight = textExtent.y; |
| } |
| int imageWidth = 0, imageHeight = 0; |
| if (image != null) { |
| Rectangle rect = image.getBounds (); |
| imageWidth = rect.width; |
| imageHeight = rect.height; |
| } |
| if ((parent.style & SWT.RIGHT) != 0) { |
| width = imageWidth + textWidth; |
| height = Math.max (imageHeight, textHeight); |
| if (imageWidth != 0 && textWidth != 0) width += 2; |
| } else { |
| height = imageHeight + textHeight; |
| if (imageHeight != 0 && textHeight != 0) height += 2; |
| width = Math.max (imageWidth, textWidth); |
| } |
| } else { |
| width = DEFAULT_WIDTH; |
| height = DEFAULT_HEIGHT; |
| } |
| if ((style & SWT.DROP_DOWN) != 0) { |
| width += 12; |
| } |
| if (width != 0) { |
| width += (marginWidth + shadowThickness) * 2 + 2; |
| } else { |
| width = DEFAULT_WIDTH; |
| } |
| if (height != 0) { |
| height += (marginHeight + shadowThickness) * 2 + 2; |
| } else { |
| height = DEFAULT_HEIGHT; |
| } |
| return new Point (width, height); |
| } |
| void destroyWidget () { |
| parent.destroyItem (this); |
| super.destroyWidget (); |
| } |
| public void dispose () { |
| if (isDisposed()) return; |
| ToolBar parent = this.parent; |
| super.dispose (); |
| parent.relayout (); |
| } |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding rectangle |
| * |
| * @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 Rectangle getBounds () { |
| checkWidget(); |
| int [] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| return new Rectangle ((short) argList [1], (short) argList [3], argList [5], argList [7]); |
| } |
| /** |
| * Returns the control that is used to fill the bounds of |
| * the item when the items is a <code>SEPARATOR</code>. |
| * |
| * @return the control |
| * |
| * @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 Control getControl () { |
| checkWidget(); |
| return control; |
| } |
| /** |
| * Returns the receiver's disabled image if it has one, or null |
| * if it does not. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @return the receiver's disabled 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 getDisabledImage () { |
| checkWidget(); |
| return disabledImage; |
| } |
| /** |
| * Returns <code>true</code> if the receiver is enabled, and |
| * <code>false</code> otherwise. A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @return the receiver's enabled 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> |
| * |
| * @see #isEnabled |
| */ |
| public boolean getEnabled () { |
| checkWidget(); |
| int [] argList = {OS.XmNsensitive, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| return argList [1] != 0; |
| } |
| /** |
| * Returns the receiver's hot image if it has one, or null |
| * if it does not. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @return the receiver's hot 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 getHotImage () { |
| checkWidget(); |
| return hotImage; |
| } |
| /** |
| * Returns the receiver's parent, which must be a <code>ToolBar</code>. |
| * |
| * @return the receiver's parent |
| * |
| * @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 ToolBar getParent () { |
| checkWidget(); |
| return parent; |
| } |
| /** |
| * 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 (which some platforms draw as a |
| * pushed in button). If the receiver is of any other type, this method |
| * returns false. |
| * </p> |
| * |
| * @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)) == 0) return false; |
| return set; |
| } |
| /** |
| * Returns the receiver's tool tip text, or null if it has not been set. |
| * |
| * @return the receiver's tool tip 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 getToolTipText () { |
| checkWidget(); |
| return toolTipText; |
| } |
| /** |
| * Gets the width of the receiver. |
| * |
| * @return the width |
| * |
| * @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 getWidth () { |
| checkWidget(); |
| return width; |
| } |
| boolean hasCursor () { |
| int [] unused = new int [1], buffer = new int [1]; |
| int xDisplay = OS.XtDisplay (handle); |
| int xWindow, xParent = OS.XDefaultRootWindow (xDisplay); |
| do { |
| if (OS.XQueryPointer ( |
| xDisplay, xParent, unused, buffer, |
| unused, unused, unused, unused, unused) == 0) return false; |
| if ((xWindow = buffer [0]) != 0) xParent = xWindow; |
| } while (xWindow != 0); |
| return handle == OS.XtWindowToWidget (xDisplay, xParent); |
| } |
| void hookEvents () { |
| super.hookEvents (); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| int windowProc = display.windowProc; |
| OS.XtAddEventHandler (handle, OS.KeyPressMask, false, windowProc, KEY_PRESS); |
| OS.XtAddEventHandler (handle, OS.KeyReleaseMask, false, windowProc, KEY_RELEASE); |
| OS.XtAddEventHandler (handle, OS.ButtonPressMask, false, windowProc, BUTTON_PRESS); |
| OS.XtAddEventHandler (handle, OS.ButtonReleaseMask, false, windowProc, BUTTON_RELEASE); |
| OS.XtAddEventHandler (handle, OS.PointerMotionMask, false, windowProc, POINTER_MOTION); |
| OS.XtAddEventHandler (handle, OS.EnterWindowMask, false, windowProc, ENTER_WINDOW); |
| OS.XtAddEventHandler (handle, OS.LeaveWindowMask, false, windowProc, LEAVE_WINDOW); |
| OS.XtAddCallback (handle, OS.XmNexposeCallback, windowProc, EXPOSURE_CALLBACK); |
| OS.XtInsertEventHandler (handle, OS.FocusChangeMask, false, windowProc, FOCUS_CHANGE, OS.XtListTail); |
| } |
| int hoverProc (int id) { |
| boolean showTip = toolTipText != null; |
| parent.hoverProc (id, !showTip); |
| if (showTip) { |
| display.showToolTip (handle, toolTipText); |
| } |
| return 0; |
| } |
| /** |
| * Returns <code>true</code> if the receiver is enabled and all |
| * of the receiver's ancestors are enabled, and <code>false</code> |
| * otherwise. A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * |
| * @return the receiver's enabled 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> |
| * |
| * @see #getEnabled |
| */ |
| public boolean isEnabled () { |
| checkWidget(); |
| return getEnabled () && parent.isEnabled (); |
| } |
| void manageChildren () { |
| OS.XtManageChild (handle); |
| } |
| void redraw () { |
| int display = OS.XtDisplay (handle); |
| if (display == 0) return; |
| int window = OS.XtWindow (handle); |
| if (window == 0) return; |
| OS.XClearArea (display, window, 0, 0, 0, 0, true); |
| } |
| void releaseHandle () { |
| super.releaseHandle (); |
| parent = null; |
| } |
| void releaseWidget () { |
| super.releaseWidget (); |
| display.releaseToolTipHandle (handle); |
| if (parent.lastFocus == this) parent.lastFocus = null; |
| control = null; |
| toolTipText = null; |
| image = disabledImage = hotImage = null; |
| } |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control is selected. |
| * |
| * @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); |
| } |
| void selectRadio () { |
| int index = 0; |
| ToolItem [] items = parent.getItems (); |
| while (index < items.length && items [index] != this) index++; |
| int i = index - 1; |
| while (i >= 0 && items [i].setRadioSelection (false)) --i; |
| int j = index + 1; |
| while (j < items.length && items [j].setRadioSelection (false)) j++; |
| setSelection (true); |
| } |
| void setBackgroundPixel(int pixel) { |
| int [] argList = {OS.XmNforeground, 0, OS.XmNhighlightColor, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| OS.XmChangeColor (handle, pixel); |
| OS.XtSetValues (handle, argList, argList.length / 2); |
| } |
| void setBounds (int x, int y, int width, int height) { |
| /* |
| * Feature in Motif. Motif will not allow a window |
| * to have a zero width or zero height. The fix is |
| * to ensure these values are never zero. |
| */ |
| int newWidth = Math.max (width, 1), newHeight = Math.max (height, 1); |
| OS.XtConfigureWidget (handle, x, y, newWidth, newHeight, 0); |
| } |
| /** |
| * Sets the control that is used to fill the bounds of |
| * the item when the items is a <code>SEPARATOR</code>. |
| * |
| * @param control the new control |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</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 setControl (Control control) { |
| checkWidget(); |
| if (control != null) { |
| if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); |
| } |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (this.control == control) return; |
| this.control = control; |
| int [] argList = { |
| OS.XmNseparatorType, control == null ? ((parent.style & SWT.FLAT) != 0 ? OS.XmSHADOW_ETCHED_IN : OS.XmSHADOW_ETCHED_OUT) : OS.XmNO_LINE, |
| }; |
| OS.XtSetValues (handle, argList, argList.length / 2); |
| if (control != null && !control.isDisposed ()) { |
| /* |
| * It is possible that the control was created with a |
| * z-order below that of the current tool item. In this |
| * case, the control is not visible because it is |
| * obscured by the tool item. The fix is to move the |
| * control above this tool item in the z-order. |
| * The code below is similar to the code found in |
| * setZOrder. |
| */ |
| int xDisplay = OS.XtDisplay (handle); |
| if (xDisplay == 0) return; |
| if (!OS.XtIsRealized (handle)) { |
| Shell shell = parent.getShell (); |
| shell.realizeWidget (); |
| } |
| int topHandle1 = control.topHandle (); |
| int window1 = OS.XtWindow (topHandle1); |
| if (window1 == 0) return; |
| int topHandle2 = this.topHandle (); |
| int window2 = OS.XtWindow (topHandle2); |
| if (window2 == 0) return; |
| XWindowChanges struct = new XWindowChanges (); |
| struct.sibling = window2; |
| struct.stack_mode = OS.Above; |
| int screen = OS.XDefaultScreen (xDisplay); |
| int flags = OS.CWStackMode | OS.CWSibling; |
| OS.XReconfigureWMWindow (xDisplay, window1, screen, flags, struct); |
| } |
| parent.relayout (); |
| } |
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. |
| * <p> |
| * A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * </p> |
| * |
| * @param enabled the new enabled 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 setEnabled (boolean enabled) { |
| checkWidget(); |
| int [] argList = {OS.XmNsensitive, enabled ? 1 : 0}; |
| OS.XtSetValues (handle, argList, argList.length / 2); |
| } |
| void setForegroundPixel(int pixel) { |
| int [] argList = {OS.XmNforeground, pixel}; |
| OS.XtSetValues (handle, argList, argList.length / 2); |
| } |
| /** |
| * Sets the receiver's disabled image to the argument, which may be |
| * null indicating that no disabled image should be displayed. |
| * <p> |
| * The disbled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @param image the disabled 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 setDisabledImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| disabledImage = image; |
| if (!getEnabled ()) redraw (); |
| } |
| boolean setFocus () { |
| if ((style & SWT.SEPARATOR) != 0) return false; |
| return XmProcessTraversal (handle, OS.XmTRAVERSE_CURRENT); |
| } |
| /** |
| * Sets the receiver's hot image to the argument, which may be |
| * null indicating that no hot image should be displayed. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @param image the hot 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 setHotImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| hotImage = image; |
| if ((parent.style & SWT.FLAT) != 0) redraw (); |
| } |
| public void setImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| super.setImage (image); |
| parent.relayout(); |
| redraw (); |
| } |
| 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. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). |
| * </p> |
| * |
| * @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)) == 0) return; |
| if (selected == set) return; |
| set = selected; |
| setDrawPressed (set); |
| } |
| /** |
| * Sets the receiver's text. The string may include |
| * the mnemonic character. |
| * </p> |
| * <p> |
| * Mnemonics are indicated by an '&' that causes the next |
| * character to be the mnemonic. When the user presses a |
| * key sequence that matches the mnemonic, a selection |
| * event occurs. On most platforms, the mnemonic appears |
| * underlined but may be emphasised in a platform specific |
| * manner. The mnemonic indicator character '&' can be |
| * escaped by doubling it in the string, causing a single |
| *'&' to be displayed. |
| * </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.SEPARATOR) != 0) return; |
| super.setText (string); |
| parent.relayout(); |
| redraw (); |
| } |
| |
| /** |
| * Sets the receiver's tool tip text to the argument, which |
| * may be null indicating that no tool tip text should be shown. |
| * |
| * @param string the new tool tip text (or null) |
| * |
| * @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 setToolTipText (String string) { |
| checkWidget(); |
| toolTipText = string; |
| } |
| void setVisible (boolean visible) { |
| OS.XtSetMappedWhenManaged (handle, visible); |
| } |
| /** |
| * Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems. |
| * |
| * @param width the new width |
| * |
| * @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 setWidth (int width) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (width < 0 || this.width == width) return; |
| this.width = width; |
| parent.relayout(); |
| } |
| void setDrawPressed (boolean value) { |
| int shadowType = value ? OS.XmSHADOW_IN : OS.XmSHADOW_OUT; |
| int [] argList = {OS.XmNshadowType, shadowType}; |
| OS.XtSetValues(handle, argList, argList.length / 2); |
| } |
| boolean translateAccelerator (char key, int keysym, XKeyEvent xEvent, boolean doit) { |
| return parent.translateAccelerator (key, keysym, xEvent, doit); |
| } |
| boolean translateMnemonic (char key, int keysym, XKeyEvent xEvent) { |
| return parent.translateMnemonic (key, keysym, xEvent); |
| } |
| boolean translateTraversal (int key, XKeyEvent xEvent) { |
| return parent.translateTraversal (key, xEvent); |
| } |
| void propagateWidget (boolean enabled) { |
| propagateHandle (enabled, handle, OS.None); |
| } |
| int XButtonPress (int w, int client_data, int call_data, int continue_to_dispatch) { |
| // Shell shell = parent.getShell (); |
| display.hideToolTip (); |
| XButtonEvent xEvent = new XButtonEvent (); |
| OS.memmove (xEvent, call_data, XButtonEvent.sizeof); |
| if (xEvent.button == 1) { |
| if (!set && (style & SWT.RADIO) == 0) { |
| setDrawPressed (!set); |
| } |
| } |
| |
| /* |
| * Forward the mouse event to the parent. |
| * This is necessary so that mouse listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| int [] argList = {OS.XmNx, 0, OS.XmNy, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| xEvent.window = OS.XtWindow (parent.handle); |
| xEvent.x += argList [1]; xEvent.y += argList [3]; |
| OS.memmove (call_data, xEvent, XButtonEvent.sizeof); |
| parent.XButtonPress (w, client_data, call_data, continue_to_dispatch); |
| |
| /* |
| * It is possible that the shell may be |
| * disposed at this point. If this happens |
| * don't send the activate and deactivate |
| * events. |
| */ |
| // if (!shell.isDisposed()) { |
| // shell.setActiveControl (parent); |
| // } |
| return 0; |
| } |
| int XButtonRelease (int w, int client_data, int call_data, int continue_to_dispatch) { |
| display.hideToolTip(); |
| XButtonEvent xEvent = new XButtonEvent (); |
| OS.memmove (xEvent, call_data, XButtonEvent.sizeof); |
| if (xEvent.button == 1) { |
| int [] argList = {OS.XmNwidth, 0, OS.XmNheight, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| int width = argList [1], height = argList [3]; |
| if (0 <= xEvent.x && xEvent.x < width && 0 <= xEvent.y && xEvent.y < height) { |
| click (xEvent.x > width - 12, xEvent.state); |
| } |
| setDrawPressed(set); |
| } |
| |
| /* |
| * Forward the mouse event to the parent. |
| * This is necessary so that mouse listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| int [] argList = {OS.XmNx, 0, OS.XmNy, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| xEvent.window = OS.XtWindow (parent.handle); |
| xEvent.x += argList [1]; xEvent.y += argList [3]; |
| OS.memmove (call_data, xEvent, XButtonEvent.sizeof); |
| parent.XButtonRelease (w, client_data, call_data, continue_to_dispatch); |
| |
| return 0; |
| } |
| int XEnterWindow (int w, int client_data, int call_data, int continue_to_dispatch) { |
| XCrossingEvent xEvent = new XCrossingEvent (); |
| OS.memmove (xEvent, call_data, XCrossingEvent.sizeof); |
| if ((xEvent.state & OS.Button1Mask) != 0) { |
| setDrawPressed (!set); |
| } else { |
| if ((parent.style & SWT.FLAT) != 0) redraw (); |
| } |
| return 0; |
| } |
| int XFocusChange (int w, int client_data, int call_data, int continue_to_dispatch) { |
| /* |
| * Forward the focus event to the parent. |
| * This is necessary so that focus listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| XFocusChangeEvent xEvent = new XFocusChangeEvent (); |
| OS.memmove (xEvent, call_data, XFocusChangeEvent.sizeof); |
| xEvent.window = OS.XtWindow (parent.handle); |
| // OS.memmove (call_data, xEvent, XFocusChangeEvent.sizeof); |
| parent.XFocusChange (w, client_data, call_data, continue_to_dispatch); |
| return 0; |
| } |
| int XKeyPress (int w, int client_data, int call_data, int continue_to_dispatch) { |
| int result = 0; |
| XKeyEvent xEvent = new XKeyEvent (); |
| OS.memmove (xEvent, call_data, XKeyEvent.sizeof); |
| int [] keysym = new int [1]; |
| OS.XLookupString (xEvent, null, 0, keysym, null); |
| keysym [0] &= 0xFFFF; |
| switch (keysym [0]) { |
| case OS.XK_space: |
| click (false, xEvent.state); |
| result = 1; |
| break; |
| case OS.XK_Down: |
| if ((style & SWT.DROP_DOWN) != 0) { |
| click (true, xEvent.state); |
| result = 1; |
| } |
| break; |
| } |
| /* |
| * Forward the key event to the parent. |
| * This is necessary so that key listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| xEvent.window = OS.XtWindow (parent.handle); |
| // OS.memmove (callData, xEvent, XKeyEvent.sizeof); |
| parent.XKeyPress (w, client_data, call_data, continue_to_dispatch); |
| if (result == 1) { |
| OS.memmove (continue_to_dispatch, new int [1], 4); |
| } |
| return result; |
| } |
| int XKeyRelease (int w, int client_data, int call_data, int continue_to_dispatch) { |
| XKeyEvent xEvent = new XKeyEvent (); |
| OS.memmove (xEvent, call_data, XKeyEvent.sizeof); |
| |
| /* |
| * Forward the key event to the parent. |
| * This is necessary so that key listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| xEvent.window = OS.XtWindow (parent.handle); |
| // OS.memmove (callData, xEvent, XKeyEvent.sizeof); |
| parent.XKeyRelease (w, client_data, call_data, continue_to_dispatch); |
| return 0; |
| } |
| int XLeaveWindow (int w, int client_data, int call_data, int continue_to_dispatch) { |
| display.removeMouseHoverTimeOut (); |
| display.hideToolTip (); |
| XCrossingEvent xEvent = new XCrossingEvent (); |
| OS.memmove (xEvent, call_data, XCrossingEvent.sizeof); |
| if ((xEvent.state & OS.Button1Mask) != 0) { |
| setDrawPressed (set); |
| } else { |
| if ((parent.style & SWT.FLAT) != 0) redraw (); |
| } |
| return 0; |
| } |
| int XmNexposureCallback (int w, int client_data, int call_data) { |
| if ((style & SWT.SEPARATOR) != 0) return 0; |
| int xDisplay = OS.XtDisplay (handle); |
| if (xDisplay == 0) return 0; |
| int xWindow = OS.XtWindow (handle); |
| if (xWindow == 0) return 0; |
| int [] argList = { |
| OS.XmNcolormap, 0, |
| OS.XmNwidth, 0, |
| OS.XmNheight, 0, |
| }; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| int width = argList [3], height = argList [5]; |
| |
| Image currentImage = image; |
| boolean enabled = getEnabled(); |
| |
| if ((parent.style & SWT.FLAT) != 0) { |
| boolean hasCursor = hasCursor (); |
| |
| /* Set the shadow thickness */ |
| int thickness = 0; |
| if (set || (hasCursor && enabled)) { |
| thickness = Math.min (2, display.buttonShadowThickness); |
| } |
| argList = new int [] {OS.XmNshadowThickness, thickness}; |
| OS.XtSetValues (handle, argList, argList.length / 2); |
| |
| /* Determine if hot image should be used */ |
| if (enabled && hasCursor && hotImage != null) { |
| currentImage = hotImage; |
| } |
| } |
| |
| GCData data = new GCData (); |
| data.device = display; |
| data.display = xDisplay; |
| data.drawable = xWindow; |
| data.font = parent.font; |
| data.colormap = argList [1]; |
| int xGC = OS.XCreateGC (xDisplay, xWindow, 0, null); |
| if (xGC == 0) SWT.error (SWT.ERROR_NO_HANDLES); |
| GC gc = GC.motif_new (xGC, data); |
| |
| XmAnyCallbackStruct cb = new XmAnyCallbackStruct (); |
| OS.memmove (cb, call_data, XmAnyCallbackStruct.sizeof); |
| if (cb.event != 0) { |
| XExposeEvent xEvent = new XExposeEvent (); |
| OS.memmove (xEvent, cb.event, XExposeEvent.sizeof); |
| Rectangle rect = new Rectangle (xEvent.x, xEvent.y, xEvent.width, xEvent.height); |
| gc.setClipping (rect); |
| } |
| |
| if (!enabled) { |
| currentImage = disabledImage; |
| if (currentImage == null && image != null) { |
| currentImage = new Image (display, image, SWT.IMAGE_DISABLE); |
| } |
| Color disabledColor = display.getSystemColor (SWT.COLOR_WIDGET_NORMAL_SHADOW); |
| gc.setForeground (disabledColor); |
| } else { |
| gc.setForeground (parent.getForeground ()); |
| } |
| gc.setBackground (parent.getBackground ()); |
| |
| int textX = 0, textY = 0, textWidth = 0, textHeight = 0; |
| if (text.length () != 0) { |
| int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC; |
| Point textExtent = gc.textExtent (text, flags); |
| textWidth = textExtent.x; |
| textHeight = textExtent.y; |
| } |
| int imageX = 0, imageY = 0, imageWidth = 0, imageHeight = 0; |
| if (currentImage != null) { |
| Rectangle imageBounds = currentImage.getBounds (); |
| imageWidth = imageBounds.width; |
| imageHeight = imageBounds.height; |
| } |
| |
| int spacing = 0; |
| if (textWidth != 0 && imageWidth != 0) spacing = 2; |
| if ((parent.style & SWT.RIGHT) != 0) { |
| imageX = (width - imageWidth - textWidth - spacing) / 2; |
| imageY = (height - imageHeight) / 2; |
| textX = spacing + imageX + imageWidth; |
| textY = (height - textHeight) / 2; |
| } else { |
| imageX = (width - imageWidth) / 2; |
| imageY = (height - imageHeight - textHeight - spacing) / 2; |
| textX = (width - textWidth) / 2; |
| textY = spacing + imageY + imageHeight; |
| } |
| |
| if ((style & SWT.DROP_DOWN) != 0) { |
| textX -= 6; imageX -=6; |
| } |
| if (textWidth > 0) { |
| int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC; |
| gc.drawText(text, textX, textY, flags); |
| } |
| if (imageWidth > 0) gc.drawImage(currentImage, imageX, imageY); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| int startX = width - 12, startY = (height - 2) / 2; |
| int [] arrow = {startX, startY, startX + 3, startY + 3, startX + 6, startY}; |
| gc.setBackground (parent.getForeground ()); |
| gc.fillPolygon (arrow); |
| gc.drawPolygon (arrow); |
| } |
| gc.dispose (); |
| OS.XFreeGC (xDisplay, xGC); |
| |
| if (!enabled && disabledImage == null) { |
| if (currentImage != null) currentImage.dispose (); |
| } |
| return 0; |
| } |
| int XPointerMotion (int w, int client_data, int call_data, int continue_to_dispatch) { |
| display.addMouseHoverTimeOut (handle); |
| |
| /* |
| * Forward the mouse event to the parent. |
| * This is necessary so that mouse listeners |
| * in the parent will be called, despite the |
| * fact that the event did not really occur |
| * in X in the parent. This is done to be |
| * compatible with Windows. |
| */ |
| XMotionEvent xEvent = new XMotionEvent (); |
| OS.memmove (xEvent, call_data, XMotionEvent.sizeof); |
| int [] argList = {OS.XmNx, 0, OS.XmNy, 0}; |
| OS.XtGetValues (handle, argList, argList.length / 2); |
| xEvent.window = OS.XtWindow (parent.handle); |
| xEvent.x += argList [1]; xEvent.y += argList [3]; |
| /* |
| * This code is intentionally commented. |
| * Currently, the implementation of the |
| * mouse move code in the parent interferes |
| * with tool tips for tool items. |
| */ |
| // OS.memmove (callData, xEvent, XButtonEvent.sizeof); |
| // parent.XPointerMotion (w, client_data, call_data, continue_to_dispatch); |
| parent.sendMouseEvent (SWT.MouseMove, xEvent); |
| |
| return 0; |
| } |
| } |