| package org.eclipse.swt.widgets;
|
|
|
| /*
|
| * (c) Copyright IBM Corp. 2000, 2001.
|
| * All Rights Reserved
|
| */
|
|
|
| import org.eclipse.swt.internal.photon.*;
|
| import org.eclipse.swt.graphics.*;
|
| import org.eclipse.swt.events.*;
|
| import org.eclipse.swt.*;
|
|
|
| /** |
| * Control is the abstract superclass of all windowed user interface classes. |
| * <p> |
| * <dl> |
| * <dt><b>Styles:</b> |
| * <dd>BORDER</dd> |
| * <dt><b>Events:</b> |
| * <dd>FocusIn, FocusOut, Help, KeyDown, KeyUp, MouseDoubleClick, MouseDown, MouseEnter, |
| * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize</dd> |
| * </dl> |
| * <p> |
| * IMPORTANT: This class is intended to be subclassed <em>only</em> |
| * within the SWT implementation. |
| * </p> |
| */ |
| public abstract class Control extends Widget implements Drawable {
|
| Composite parent;
|
| Menu menu;
|
| Object layoutData;
|
| String toolTipText;
|
| int toolTipHandle;
|
|
|
| Control () {
|
| /* Do nothing */
|
| }
|
|
|
| /** |
| * 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 |
| * for all SWT widget classes should include a comment which |
| * describes the style constants which are applicable to the class. |
| * </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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Control (Composite parent, int style) {
|
| super (parent, style);
|
| this.parent = parent;
|
| createWidget (0);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the control is moved or resized, by sending |
| * it one of the messages defined in the <code>ControlListener</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 ControlListener |
| * @see #removeControlListener |
| */ |
| public void addControlListener(ControlListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.Resize,typedListener);
|
| addListener (SWT.Move,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the control gains or loses focus, by sending |
| * it one of the messages defined in the <code>FocusListener</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 FocusListener |
| * @see #removeFocusListener |
| */ |
| public void addFocusListener (FocusListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.FocusIn,typedListener);
|
| addListener (SWT.FocusOut,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the help events are generated for the control, by sending |
| * it one of the messages defined in the <code>HelpListener</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 HelpListener |
| * @see #removeHelpListener |
| */ |
| public void addHelpListener (HelpListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.Help, typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when keys are pressed and released on the system keyboard, by sending |
| * it one of the messages defined in the <code>KeyListener</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 KeyListener |
| * @see #removeKeyListener |
| */ |
| public void addKeyListener (KeyListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.KeyUp,typedListener);
|
| addListener (SWT.KeyDown,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when mouse buttons are pressed and released, by sending |
| * it one of the messages defined in the <code>MouseListener</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 MouseListener |
| * @see #removeMouseListener |
| */ |
| public void addMouseListener (MouseListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.MouseDown,typedListener);
|
| addListener (SWT.MouseUp,typedListener);
|
| addListener (SWT.MouseDoubleClick,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the mouse passes or hovers over controls, by sending |
| * it one of the messages defined in the <code>MouseTrackListener</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 MouseTrackListener |
| * @see #removeMouseTrackListener |
| */ |
| public void addMouseTrackListener (MouseTrackListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.MouseEnter,typedListener);
|
| addListener (SWT.MouseExit,typedListener);
|
| addListener (SWT.MouseHover,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the mouse moves, by sending it one of the |
| * messages defined in the <code>MouseMoveListener</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 MouseMoveListener |
| * @see #removeMouseMoveListener |
| */ |
| public void addMouseMoveListener (MouseMoveListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.MouseMove,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the receiver needs to be painted, by sending it |
| * one of the messages defined in the <code>PaintListener</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 PaintListener |
| * @see #removePaintListener |
| */ |
| public void addPaintListener (PaintListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.Paint,typedListener);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when traversal events occur, by sending it |
| * one of the messages defined in the <code>TraverseListener</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 TraverseListener |
| * @see #removeTraverseListener |
| */ |
| public void addTraverseListener (TraverseListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.Traverse,typedListener);
|
| }
|
|
|
| /** |
| * Forces the receiver to have the <em>keyboard focus</em>, causing |
| * all keyboard events to be delivered to it. |
| * |
| * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. |
| * |
| * @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 #setFocus |
| */ |
| public boolean forceFocus () {
|
| checkWidget();
|
| int shellHandle = OS.PtFindDisjoint (handle);
|
| OS.PtWindowToFront (shellHandle);
|
| OS.PtContainerGiveFocus (handle, null);
|
| return hasFocus ();
|
| }
|
|
|
| /** |
| * Returns the preferred size of the receiver. |
| * <p> |
| * The <em>prefered size</em> of a control is the size that it would |
| * best be displayed at. The width hint and height hint arguments |
| * allow the caller to ask a control questions such as "Given a particular |
| * width, how high does the control need to be to show all of the contents?" |
| * To indicate that the caller does not wish to constrain a particular |
| * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. |
| * </p> |
| * |
| * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) |
| * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) |
| * @return the preferred size of 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> |
| * |
| * @see Layout |
| */ |
| public Point computeSize (int wHint, int hHint) {
|
| return computeSize (wHint, hHint, true);
|
| }
|
|
|
| /** |
| * Returns the preferred size of the receiver. |
| * <p> |
| * The <em>prefered size</em> of a control is the size that it would |
| * best be displayed at. The width hint and height hint arguments |
| * allow the caller to ask a control questions such as "Given a particular |
| * width, how high does the control need to be to show all of the contents?" |
| * To indicate that the caller does not wish to constrain a particular |
| * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. |
| * </p><p> |
| * If the changed flag is <code>true</code>, it indicates that the receiver's |
| * <em>contents</em> have changed, therefore any caches that a layout manager |
| * containing the control may have been keeping need to be flushed. When the |
| * control is resized, the changed flag will be <code>false</code>, so layout |
| * manager caches can be retained. |
| * </p> |
| * |
| * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) |
| * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) |
| * @param changed <code>true</code> if the control's contents have changed, and <code>false</code> otherwise |
| * @return the preferred size of 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> |
| * |
| * @see Layout |
| */ |
| public Point computeSize (int wHint, int hHint, boolean changed) {
|
| checkWidget();
|
| int width = DEFAULT_WIDTH;
|
| int height = DEFAULT_HEIGHT;
|
| if (wHint != SWT.DEFAULT) width = wHint;
|
| if (hHint != SWT.DEFAULT) height = hHint;
|
| int border = getBorderWidth ();
|
| width += border * 2;
|
| height += border * 2;
|
| return new Point (width, height);
|
| }
|
|
|
| void createWidget (int index) {
|
| super.createWidget (index);
|
| setZOrder ();
|
| realizeWidget ();
|
| }
|
|
|
| byte [] defaultFont () {
|
| Display display = getDisplay ();
|
| return display.TEXT_FONT;
|
| }
|
|
|
| /** |
| * Returns the receiver's background color. |
| * |
| * @return the background color |
| * |
| * @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 Color getBackground () {
|
| checkWidget();
|
| int [] args = {OS.Pt_ARG_FILL_COLOR, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| return Color.photon_new (getDisplay (), args [1]);
|
| }
|
|
|
| /** |
| * Returns the font that the receiver will use to paint textual information. |
| * |
| * @return the receiver's font |
| * |
| * @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 Font getFont () {
|
| checkWidget();
|
| int [] args = {
|
| OS.Pt_ARG_TEXT_FONT, 0, 0,
|
| OS.Pt_ARG_LIST_FONT, 0, 0,
|
| OS.Pt_ARG_TITLE_FONT, 0, 0,
|
| };
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| byte [] font;
|
| int ptr = args [1];
|
| if (ptr == 0) ptr = args [4];
|
| if (ptr == 0) ptr = args [7];
|
| if (ptr == 0) {
|
| font = defaultFont ();
|
| } else {
|
| int length = OS.strlen (ptr);
|
| font = new byte [length + 1];
|
| OS.memmove (font, ptr, length);
|
| }
|
| return Font.photon_new (getDisplay (), font);
|
| }
|
|
|
| /** |
| * Returns the foreground color that the receiver will use to draw. |
| * |
| * @return the receiver's foreground color |
| * |
| * @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 Color getForeground () {
|
| checkWidget();
|
| int [] args = {OS.Pt_ARG_COLOR, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| return Color.photon_new (getDisplay (), args [1]);
|
| }
|
|
|
| /** |
| * Returns the receiver's border width. |
| * |
| * @return the border 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 getBorderWidth () {
|
| checkWidget();
|
| int topHandle = topHandle ();
|
| int [] args = {
|
| OS.Pt_ARG_BASIC_FLAGS, 0, 0,
|
| OS.Pt_ARG_FLAGS, 0, 0,
|
| // OS.Pt_ARG_BEVEL_WIDTH, 0, 0,
|
| };
|
| OS.PtGetResources (topHandle, args.length / 3, args);
|
| if ((args [4] & OS.Pt_HIGHLIGHTED) == 0) return 0;
|
| int border = 0;
|
| int flags = args [1];
|
| if ((flags & OS.Pt_ALL_ETCHES) != 0) border++;
|
| if ((flags & OS.Pt_ALL_OUTLINES) != 0) border++;
|
| if ((flags & OS.Pt_ALL_INLINES) != 0) border++;
|
| // if ((flags & OS.Pt_ALL_BEVELS) != 0) border += args [7];
|
| return border;
|
| }
|
|
|
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent (or its display if its parent is null). |
| * |
| * @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 topHandle = topHandle ();
|
| PhArea_t area = new PhArea_t ();
|
| OS.PtWidgetArea (topHandle, area);
|
| return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h);
|
| }
|
|
|
| /** |
| * Returns the display that the receiver was created on. |
| * |
| * @return the receiver's display |
| * |
| * @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 Display getDisplay () {
|
| Composite parent = this.parent;
|
| if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
|
| return parent.getDisplay ();
|
| }
|
|
|
| /** |
| * 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> |
| */ |
| public boolean getEnabled () {
|
| checkWidget();
|
| int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| return (args [1] & OS.Pt_BLOCKED) == 0;
|
| }
|
|
|
| /** |
| * Returns layout data which is associated with the receiver. |
| * |
| * @return the receiver's layout data |
| * |
| * @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 Object getLayoutData () {
|
| checkWidget();
|
| return layoutData;
|
| }
|
|
|
| /** |
| * Returns a point describing the receiver's location relative |
| * to its parent (or its display if its parent is null). |
| * |
| * @return the receiver's location |
| * |
| * @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 getLocation () {
|
| checkWidget();
|
| int topHandle = topHandle ();
|
| PhArea_t area = new PhArea_t ();
|
| OS.PtWidgetArea (topHandle, area);
|
| return new Point (area.pos_x, area.pos_y);
|
| }
|
|
|
| /** |
| * Returns the receiver's pop up menu if it has one, or null |
| * if it does not. All controls may optionally have a pop up |
| * menu that is displayed when the user requests one for |
| * the control. The sequence of key strokes, button presses |
| * and/or button releases that are used to request a pop up |
| * menu is platform specific. |
| * |
| * @return the receiver's menu |
| * |
| * @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 Menu getMenu () {
|
| checkWidget();
|
| return null;
|
| }
|
|
|
| /** |
| * Returns the receiver's parent, which must be a <code>Composite</code> |
| * or null when the receiver is a shell that was created with null or |
| * a display for a parent. |
| * |
| * @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 Composite getParent () {
|
| checkWidget();
|
| return parent;
|
| }
|
|
|
| Control [] getPath () {
|
| int count = 0;
|
| Shell shell = getShell ();
|
| Control control = this;
|
| while (control != shell) {
|
| count++;
|
| control = control.parent;
|
| }
|
| control = this;
|
| Control [] result = new Control [count];
|
| while (control != shell) {
|
| result [--count] = control;
|
| control = control.parent;
|
| }
|
| return result;
|
| }
|
|
|
| /** |
| * Returns a point describing the receiver's size. The |
| * x coordinate of the result is the width of the receiver. |
| * The y coordinate of the result is the height of the |
| * receiver. |
| * |
| * @return the receiver's size |
| * |
| * @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 getSize () {
|
| checkWidget();
|
| int topHandle = topHandle ();
|
| PhArea_t area = new PhArea_t ();
|
| OS.PtWidgetArea (topHandle, area);
|
| return new Point (area.size_w, area.size_h);
|
| }
|
|
|
| /** |
| * 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;
|
| }
|
|
|
| /** |
| * Returns the receiver's shell. For all controls other than |
| * shells, this simply returns the control's nearest ancestor |
| * shell. Shells return themselves, even if they are children |
| * of other shells. |
| * |
| * @return the receiver's shell |
| * |
| * @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 #getParent |
| */ |
| public Shell getShell () {
|
| checkWidget();
|
| return parent.getShell ();
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver is visible, and |
| * <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the receiver's visibility 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 getVisible () {
|
| checkWidget();
|
| int topHandle = topHandle ();
|
| int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
|
| OS.PtGetResources (topHandle, args.length / 3, args);
|
| return (args [1] & OS.Pt_DELAY_REALIZE) == 0;
|
| }
|
|
|
| boolean hasFocus () {
|
| return OS.PtIsFocused (handle) != 0;
|
| }
|
|
|
| void hookEvents () {
|
| int windowProc = getDisplay ().windowProc;
|
| int focusHandle = focusHandle ();
|
| OS.PtAddFilterCallback (handle, OS.Ph_EV_KEY, windowProc, SWT.KeyDown);
|
| OS.PtAddEventHandler (handle, OS.Ph_EV_BUT_PRESS, windowProc, SWT.MouseDown);
|
| OS.PtAddEventHandler (handle, OS.Ph_EV_BUT_RELEASE, windowProc, SWT.MouseUp);
|
| OS.PtAddEventHandler (handle, OS.Ph_EV_PTR_MOTION, windowProc, SWT.MouseMove);
|
| OS.PtAddEventHandler (handle, OS.Ph_EV_BOUNDARY, windowProc, SWT.MouseEnter);
|
| OS.PtAddCallback (focusHandle, OS.Pt_CB_GOT_FOCUS, windowProc, SWT.FocusIn);
|
| OS.PtAddCallback (focusHandle, OS.Pt_CB_LOST_FOCUS, windowProc, SWT.FocusOut);
|
| OS.PtAddCallback (handle, OS.Pt_CB_MENU, windowProc, SWT.Show);
|
| }
|
|
|
| int focusHandle () {
|
| return handle;
|
| }
|
|
|
| /** |
| * Invokes platform specific functionality to allocate a new GC handle. |
| * <p> |
| * <b>IMPORTANT:</b> This method is <em>not</em> part of the public |
| * API for <code>Control</code>. It is marked public only so that it |
| * can be shared within the packages provided by SWT. It is not |
| * available on all platforms, and should never be called from |
| * application code. |
| * </p> |
| * |
| * @param data the platform specific GC data |
| * @return the platform specific GC handle |
| * |
| * @private |
| */ |
| public int internal_new_GC (GCData data) {
|
| checkWidget();
|
| int phGC = OS.PgCreateGC(0); // NOTE: PgCreateGC ignores the parameter
|
| if (phGC == 0) SWT.error(SWT.ERROR_NO_HANDLES);
|
|
|
| int [] args = {OS.Pt_ARG_COLOR, 0, 0, OS.Pt_ARG_FILL_COLOR, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| data.device = getDisplay ();
|
| data.widget = handle;
|
| data.topWidget = topHandle ();
|
| data.foreground = args [1];
|
| data.background = args [4];
|
| data.font = getFont ().handle;
|
| return phGC;
|
| }
|
|
|
| /** |
| * Invokes platform specific functionality to dispose a GC handle. |
| * <p> |
| * <b>IMPORTANT:</b> This method is <em>not</em> part of the public |
| * API for <code>Control</code>. It is marked public only so that it |
| * can be shared within the packages provided by SWT. It is not |
| * available on all platforms, and should never be called from |
| * application code. |
| * </p> |
| * |
| * @param handle the platform specific GC handle |
| * @param data the platform specific GC data |
| * |
| * @private |
| */ |
| public void internal_dispose_GC (int phGC, GCData data) {
|
| checkWidget ();
|
| OS.PgDestroyGC(phGC);
|
| }
|
|
|
| /** |
| * 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> |
| */ |
| public boolean isEnabled () {
|
| checkWidget();
|
| return getEnabled () && parent.isEnabled ();
|
| }
|
|
|
| public boolean isFocusAncestor () {
|
| Display display = getDisplay ();
|
| Control control = display.getFocusControl ();
|
| while (control != null && control != this) {
|
| control = control.parent;
|
| }
|
| return control == this;
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver has the user-interface |
| * focus, and <code>false</code> otherwise. |
| * |
| * @return the receiver's focus 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 isFocusControl () {
|
| checkWidget();
|
| return hasFocus ();
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the underlying operating |
| * system supports this reparenting, otherwise <code>false</code> |
| * |
| * @return <code>true</code> if the widget can be reparented, otherwise <code>false</code> |
| * |
| * @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 isReparentable () {
|
| checkWidget();
|
| return false;
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver is visible, and |
| * <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the receiver's visibility 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 isVisible () {
|
| checkWidget();
|
| return OS.PtWidgetIsRealized (handle);
|
| }
|
|
|
| Decorations menuShell () {
|
| return parent.menuShell ();
|
| }
|
|
|
| /** |
| * Moves the receiver above the specified control in the |
| * drawing order. If the argument is null, then the receiver |
| * is moved to the top of the drawing order. The control at |
| * the top of the drawing order will not be covered by other |
| * controls even if they occupy intersecting areas. |
| * |
| * @param the sibling control (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control 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 moveAbove (Control control) {
|
| checkWidget();
|
| int topHandle1 = topHandle ();
|
| if (control == null) {
|
| OS.PtWidgetToFront (topHandle1);
|
| OS.PtWindowToFront (topHandle1);
|
| return;
|
| }
|
| if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
|
| int topHandle2 = control.topHandle ();
|
| OS.PtWidgetInsert (topHandle1, topHandle2, 0);
|
| }
|
|
|
| /** |
| * Moves the receiver below the specified control in the |
| * drawing order. If the argument is null, then the receiver |
| * is moved to the bottom of the drawing order. The control at |
| * the bottom of the drawing order will be covered by all other |
| * controls which occupy intersecting areas. |
| * |
| * @param the sibling control (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control 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 moveBelow (Control control) {
|
| checkWidget();
|
| int topHandle1 = topHandle ();
|
| if (control == null) {
|
| OS.PtWidgetToBack (topHandle1);
|
| OS.PtWindowToBack (topHandle1);
|
| return;
|
| }
|
| if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
|
| int topHandle2 = control.topHandle ();
|
| OS.PtWidgetInsert (topHandle1, topHandle2, 1);
|
| }
|
|
|
| /** |
| * Causes the receiver to be resized to its preferred size. |
| * For a composite, this involves computing the preferred size |
| * from its layout, if there is one. |
| * |
| * @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 #computeSize |
| */ |
| public void pack () {
|
| checkWidget();
|
| pack (true);
|
| }
|
|
|
| /** |
| * Causes the receiver to be resized to its preferred size. |
| * For a composite, this involves computing the preferred size |
| * from its layout, if there is one. |
| * <p> |
| * If the changed flag is <code>true</code>, it indicates that the receiver's |
| * <em>contents</em> have changed, therefore any caches that a layout manager |
| * containing the control may have been keeping need to be flushed. When the |
| * control is resized, the changed flag will be <code>false</code>, so layout |
| * manager caches can be retained. |
| * </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> |
| * |
| * @see #computeSize |
| */ |
| public void pack (boolean changed) {
|
| checkWidget();
|
| setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed));
|
| }
|
|
|
| int processPaint (int damage) {
|
| sendPaintEvent (damage);
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| int processFocusIn (int info) {
|
| sendEvent (SWT.FocusIn);
|
| if (isDisposed ()) return OS.Pt_CONTINUE;
|
|
|
| int index = 0;
|
| Shell shell = getShell ();
|
| Control [] focusIn = getPath ();
|
| Control lastFocus = shell.lastFocus;
|
| if (lastFocus != null) {
|
| if (!lastFocus.isDisposed ()) {
|
| Control [] focusOut = lastFocus.getPath ();
|
| int length = Math.min (focusIn.length, focusOut.length);
|
| while (index < length) {
|
| if (focusIn [index] != focusOut [index]) break;
|
| index++;
|
| }
|
| for (int i=focusOut.length-1; i>=index; --i) {
|
| focusOut [i].sendEvent (SWT.Deactivate);
|
| }
|
| }
|
| shell.lastFocus = null;
|
| }
|
| for (int i=focusIn.length-1; i>=index; --i) {
|
| focusIn [i].sendEvent (SWT.Activate);
|
| }
|
|
|
| /*
|
| * Feature in Photon. Cannot return Pt_END
|
| * or the text widget will not take focus.
|
| */
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| int processFocusOut (int info) {
|
| sendEvent (SWT.FocusOut);
|
| if (isDisposed ()) return OS.Pt_CONTINUE;
|
|
|
| Shell shell = getShell ();
|
| shell.lastFocus = this;
|
| Display display = getDisplay ();
|
| Control focusControl = display.getFocusControl ();
|
| if (focusControl == null || shell != focusControl.getShell ()) {
|
| Control [] focusOut = getPath ();
|
| for (int i=focusOut.length-1; i>=0; --i) {
|
| focusOut [i].sendEvent (SWT.Deactivate);
|
| }
|
| shell.lastFocus = null;
|
| }
|
|
|
| /*
|
| * Feature in Photon. Cannot return Pt_END
|
| * or the text widget will not take focus.
|
| */
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| int processKey (int info) {
|
| if (!hasFocus ()) return OS.Pt_PROCESS;
|
| if (info == 0) return OS.Pt_PROCESS;
|
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
|
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
|
| if (cbinfo.event == 0) return OS.Pt_PROCESS;
|
| PhEvent_t ev = new PhEvent_t ();
|
| OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
|
| if ((ev.processing_flags & OS.Ph_FAKE_EVENT) != 0) {
|
| return OS.Pt_PROCESS;
|
| }
|
| int data = OS.PhGetData (cbinfo.event);
|
| if (data == 0) return OS.Pt_PROCESS;
|
| PhKeyEvent_t ke = new PhKeyEvent_t ();
|
| OS.memmove (ke, data, PhKeyEvent_t.sizeof);
|
|
|
| /*
|
| * Feature in Photon. When the user presses certain keys
|
| * (such as the arrow keys), Photon sends 2 event for one
|
| * key press. The first event has only the scan code while
|
| * the second has the keysym and other information. This
|
| * also happens for key release. The fix is to ignore the
|
| * first event.
|
| */
|
| if (ke.key_flags == OS.Pk_KF_Scan_Valid) {
|
| return OS.Pt_PROCESS;
|
| }
|
| if ((ke.key_flags & OS.Pk_KF_Key_Repeat) != 0) {
|
| if ((ke.key_flags & OS.Pk_KF_Sym_Valid) != 0) {
|
| switch (ke.key_sym) {
|
| case OS.Pk_Alt_L:
|
| case OS.Pk_Alt_R:
|
| case OS.Pk_Control_L:
|
| case OS.Pk_Control_R:
|
| case OS.Pk_Shift_L:
|
| case OS.Pk_Shift_R:
|
| return OS.Pt_PROCESS;
|
| }
|
| }
|
| }
|
|
|
| /* Determine if this is a traverse event */
|
| if ((ke.key_flags & (OS.Pk_KF_Key_Down | OS.Pk_KF_Key_Repeat)) != 0) {
|
|
|
| /*
|
| * Fetuare in Photon. The key_sym value is not valid when Ctrl
|
| * or Alt is pressed. The fix is to detect this case and try to
|
| * use the key_cap value.
|
| */
|
| int key = ke.key_sym;
|
| if ((ke.key_flags & OS.Pk_KF_Sym_Valid) == 0) {
|
| key = 0;
|
| if ((ke.key_flags & OS.Pk_KF_Cap_Valid) != 0) {
|
| if (ke.key_cap == OS.Pk_Tab && (ke.key_mods & OS.Pk_KM_Ctrl) != 0) {
|
| key = OS.Pk_Tab;
|
| }
|
| }
|
| }
|
| switch (key) {
|
| case OS.Pk_Escape:
|
| case OS.Pk_Return:
|
| case OS.Pk_KP_Tab:
|
| case OS.Pk_Tab:
|
| case OS.Pk_Up:
|
| case OS.Pk_Down:
|
| case OS.Pk_Left:
|
| case OS.Pk_Right: {
|
| if (key != OS.Pk_Return) {
|
| ev.processing_flags |= OS.Ph_NOT_CUAKEY;
|
| OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof);
|
| }
|
| if (translateTraversal (key, ke)) {
|
| ev.processing_flags |= OS.Ph_CONSUMED;
|
| OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof);
|
| return OS.Pt_PROCESS;
|
| }
|
| }
|
| }
|
| }
|
| Display display = getDisplay ();
|
| Event event = new Event ();
|
| event.time = ev.timestamp;
|
| int type = SWT.KeyUp;
|
| if ((ke.key_flags & (OS.Pk_KF_Key_Down | OS.Pk_KF_Key_Repeat)) != 0) {
|
| type = SWT.KeyDown;
|
| }
|
| if ((ke.key_flags & OS.Pk_KF_Sym_Valid) != 0) {
|
| event.keyCode = Display.translateKey (ke.key_sym);
|
| if (event.keyCode == 0) {
|
| switch (ke.key_sym) {
|
| case OS.Pk_BackSpace: event.character = '\b'; break;
|
| case OS.Pk_Tab: event.character = '\t'; break;
|
| case OS.Pk_Linefeed: event.character = '\n'; break;
|
| case OS.Pk_Clear: event.character = 0xB; break;
|
| case OS.Pk_Return: event.character = '\r'; break;
|
| case OS.Pk_Pause: event.character = 0x13; break;
|
| case OS.Pk_Scroll_Lock: event.character = 0x14; break;
|
| case OS.Pk_Escape: event.character = 0x1B; break;
|
| case OS.Pk_Delete: event.character = 0x7F; break;
|
| default:
|
| event.character = (char) ke.key_sym;
|
| }
|
| }
|
| display.lastKey = event.keyCode;
|
| display.lastAscii = event.character;
|
| }
|
| setKeyState(event, ke);
|
| if (type == SWT.KeyUp) {
|
| if (event.keyCode == 0) event.keyCode = display.lastKey;
|
| if (event.character == 0) event.character = (char) display.lastAscii;
|
| }
|
| postEvent (type, event);
|
|
|
| return OS.Pt_PROCESS;
|
| }
|
|
|
| int processMouse (int info) {
|
| if (info == 0) return OS.Pt_END;
|
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
|
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
|
| if (cbinfo.event == 0) return OS.Pt_END;
|
| PhEvent_t ev = new PhEvent_t ();
|
| OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
|
| if ((ev.processing_flags & OS.Ph_FAKE_EVENT) != 0) {
|
| return OS.Pt_CONTINUE;
|
| }
|
| Event event = new Event ();
|
| switch (ev.type) {
|
| case OS.Ph_EV_BUT_PRESS:
|
| event.type = SWT.MouseDown;
|
| break;
|
| case OS.Ph_EV_BUT_RELEASE:
|
| if (ev.subtype != OS.Ph_EV_RELEASE_PHANTOM) {
|
| return OS.Pt_END;
|
| }
|
| event.type = SWT.MouseUp;
|
| break;
|
| case OS.Ph_EV_PTR_MOTION_BUTTON:
|
| case OS.Ph_EV_PTR_MOTION_NOBUTTON:
|
| event.type = SWT.MouseMove;
|
| break;
|
| case OS.Ph_EV_DRAG:
|
| if (ev.subtype != OS.Ph_EV_DRAG_MOTION_EVENT) {
|
| return OS.Pt_END;
|
| }
|
| event.type = SWT.MouseMove;
|
| break;
|
| }
|
| event.time = ev.timestamp;
|
| int data = OS.PhGetData (cbinfo.event);
|
| if (data == 0) return OS.Pt_END;
|
| PhPointerEvent_t pe = new PhPointerEvent_t ();
|
| OS.memmove (pe, data, PhPointerEvent_t.sizeof);
|
| event.x = pe.pos_x + ev.translation_x;
|
| event.y = pe.pos_y + ev.translation_y;
|
| if (ev.type == OS.Ph_EV_BUT_PRESS || ev.type == OS.Ph_EV_BUT_RELEASE) {
|
| switch (pe.buttons) {
|
| case OS.Ph_BUTTON_SELECT: event.button = 1; break;
|
| case OS.Ph_BUTTON_ADJUST: event.button = 2; break;
|
| case OS.Ph_BUTTON_MENU: event.button = 3; break;
|
| }
|
| }
|
| setMouseState (ev.type, event, pe);
|
| postEvent (event.type, event);
|
| if (ev.type == OS.Ph_EV_BUT_PRESS && pe.click_count == 2) {
|
| Event clickEvent = new Event ();
|
| clickEvent.time = event.time;
|
| clickEvent.x = event.x;
|
| clickEvent.y = event.y;
|
| clickEvent.button = event.button;
|
| clickEvent.stateMask = event.stateMask;
|
| postEvent (SWT.MouseDoubleClick, clickEvent);
|
| }
|
| ev.processing_flags |= OS.Ph_CONSUMED;
|
| OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof);
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| int processMouseEnter (int info) {
|
| if (info == 0) return OS.Pt_END;
|
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
|
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
|
| if (cbinfo.event == 0) return OS.Pt_END;
|
| PhEvent_t ev = new PhEvent_t ();
|
| OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
|
| int rects = OS.PhGetRects (cbinfo.event);
|
| PhRect_t rect = new PhRect_t ();
|
| OS.memmove (rect, rects, PhRect_t.sizeof);
|
| Event event = new Event ();
|
| event.time = ev.timestamp;
|
| event.x = rect.ul_x;
|
| event.y = rect.ul_y;
|
| switch (ev.subtype) {
|
| case OS.Ph_EV_PTR_ENTER:
|
| case OS.Ph_EV_PTR_ENTER_FROM_CHILD:
|
| sendEvent (SWT.MouseEnter, event);
|
| break;
|
| case OS.Ph_EV_PTR_LEAVE:
|
| case OS.Ph_EV_PTR_LEAVE_TO_CHILD:
|
| sendEvent (SWT.MouseExit, event);
|
| break;
|
| case OS.Ph_EV_PTR_STEADY:
|
| postEvent (SWT.MouseHover, event);
|
| destroyToolTip (toolTipHandle);
|
| toolTipHandle = createToolTip (toolTipText, handle, getFont ().handle);
|
| break;
|
| case OS.Ph_EV_PTR_UNSTEADY:
|
| destroyToolTip (toolTipHandle);
|
| toolTipHandle = 0;
|
| break;
|
| }
|
| return OS.Pt_END;
|
| }
|
|
|
| int processShow (int info) {
|
| if (info == 0) return OS.Pt_END;
|
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
|
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
|
| if (cbinfo.reason == OS.Pt_CB_MENU) {
|
| if (menu != null && !menu.isDisposed ()) {
|
| menu.setVisible (true);
|
| }
|
| }
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| void realizeWidget() {
|
| int parentHandle = parent.handle;
|
| if (OS.PtWidgetIsRealized (parentHandle)) {
|
| OS.PtRealizeWidget (topHandle ());
|
| }
|
| }
|
|
|
| void releaseWidget () {
|
| super.releaseWidget ();
|
| if (toolTipHandle != 0) destroyToolTip (toolTipHandle);
|
| toolTipHandle = 0;
|
| if (menu != null && !menu.isDisposed ()) {
|
| menu.dispose ();
|
| }
|
| menu = null;
|
| parent = null;
|
| layoutData = null;
|
| }
|
|
|
| /** |
| * Causes the entire bounds of the receiver to be marked |
| * as needing to be redrawn. The next time a paint request |
| * is processed, the control will be completely painted. |
| * |
| * @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 #update |
| */ |
| public void redraw () {
|
| checkWidget();
|
| OS.PtDamageWidget (handle);
|
| }
|
|
|
| /** |
| * Causes the rectangular area of the receiver specified by |
| * the arguments to be marked as needing to be redrawn. |
| * The next time a paint request is processed, that area of |
| * the receiver will be painted. If the <code>all</code> flag |
| * is <code>true</code>, any children of the receiver which |
| * intersect with the specified area will also paint their |
| * intersecting areas. If the <code>all</code> flag is |
| * <code>false</code>, the children will not be painted. |
| * |
| * @param x the x coordinate of the area to draw |
| * @param y the y coordinate of the area to draw |
| * @param width the width of the area to draw |
| * @param height the height of the area to draw |
| * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise |
| * |
| * @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 #update |
| */ |
| public void redraw (int x, int y, int width, int height, boolean allChildren) {
|
| checkWidget ();
|
| if (width <= 0 || height <= 0) return;
|
| PhRect_t rect = new PhRect_t ();
|
| rect.ul_x = (short) x;
|
| rect.ul_y = (short) y;
|
| rect.lr_x = (short) (x + width - 1);
|
| rect.lr_y = (short) (y + height - 1);
|
| OS.PtDamageExtent (handle, rect);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control is moved or resized. |
| * |
| * @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 ControlListener |
| * @see #addControlListener |
| */ |
| public void removeControlListener (ControlListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.Move, listener);
|
| eventTable.unhook (SWT.Resize, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control gains or loses focus. |
| * |
| * @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 FocusListener |
| * @see #addFocusListener |
| */ |
| public void removeFocusListener(FocusListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.FocusIn, listener);
|
| eventTable.unhook (SWT.FocusOut, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the help events are generated for the control. |
| * |
| * @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 HelpListener |
| * @see #addHelpListener |
| */ |
| public void removeHelpListener (HelpListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.Help, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when keys are pressed and released on the system keyboard. |
| * |
| * @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 KeyListener |
| * @see #addKeyListener |
| */ |
| public void removeKeyListener(KeyListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.KeyUp, listener);
|
| eventTable.unhook (SWT.KeyDown, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the mouse passes or hovers over controls. |
| * |
| * @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 MouseTrackListener |
| * @see #addMouseTrackListener |
| */ |
| public void removeMouseTrackListener(MouseTrackListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.MouseEnter, listener);
|
| eventTable.unhook (SWT.MouseExit, listener);
|
| eventTable.unhook (SWT.MouseHover, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when mouse buttons are pressed and released. |
| * |
| * @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 MouseListener |
| * @see #addMouseListener |
| */ |
| public void removeMouseListener (MouseListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.MouseDown, listener);
|
| eventTable.unhook (SWT.MouseUp, listener);
|
| eventTable.unhook (SWT.MouseDoubleClick, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the mouse moves. |
| * |
| * @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 MouseMoveListener |
| * @see #addMouseMoveListener |
| */ |
| public void removeMouseMoveListener(MouseMoveListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.MouseMove, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the receiver needs to be painted. |
| * |
| * @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 PaintListener |
| * @see #addPaintListener |
| */ |
| public void removePaintListener(PaintListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook(SWT.Paint, listener);
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when traversal events occur. |
| * |
| * @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 TraverseListener |
| * @see #addTraverseListener |
| */ |
| public void removeTraverseListener(TraverseListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.Traverse, listener);
|
| }
|
|
|
| void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
|
| int topHandle = topHandle ();
|
| PhArea_t area = new PhArea_t ();
|
| OS.PtWidgetArea (topHandle, area);
|
| boolean sameOrigin = x == area.pos_x && y == area.pos_y;
|
| boolean sameExtent = width == area.size_w && height == area.size_h;
|
| if (move && resize) {
|
| area.pos_x = (short) x;
|
| area.pos_y = (short) y;
|
| area.size_w = (short) (Math.max (width, 0));
|
| area.size_h = (short) (Math.max (height, 0));
|
| int ptr = OS.malloc (PhArea_t.sizeof);
|
| OS.memmove (ptr, area, PhArea_t.sizeof);
|
| int [] args = {OS.Pt_ARG_AREA, ptr, 0};
|
| OS.PtSetResources (topHandle, args.length / 3, args);
|
| OS.free (ptr);
|
| } else {
|
| if (move) {
|
| PhPoint_t pt = new PhPoint_t ();
|
| pt.x = (short) x;
|
| pt.y = (short) y;
|
| int ptr = OS.malloc (PhPoint_t.sizeof);
|
| OS.memmove (ptr, pt, PhPoint_t.sizeof);
|
| int [] args = {OS.Pt_ARG_POS, ptr, 0};
|
| OS.PtSetResources (topHandle, args.length / 3, args);
|
| OS.free (ptr);
|
| }
|
| if (resize) {
|
| int [] args = {
|
| OS.Pt_ARG_WIDTH, Math.max (width, 0), 0,
|
| OS.Pt_ARG_HEIGHT, Math.max (height, 0), 0,
|
| };
|
| OS.PtSetResources (topHandle, args.length / 3, args);
|
| }
|
| }
|
| if (!OS.PtWidgetIsRealized (topHandle)) {
|
| OS.PtExtentWidgetFamily (topHandle);
|
| }
|
| if (!sameOrigin & move) sendEvent (SWT.Move);
|
| if (!sameExtent & resize & sendResize()) sendEvent (SWT.Resize);
|
| }
|
|
|
| /** |
| * Sets the receiver's size and location to the rectangular |
| * area specified by the arguments. The <code>x</code> and |
| * <code>y</code> arguments are relative to the receiver's |
| * parent (or its display if its parent is null). |
| * <p> |
| * Note: Attempting to set the width or height of the |
| * receiver to a negative number will cause that |
| * value to be set to zero instead. |
| * </p> |
| * |
| * @param x the new x coordinate for the receiver |
| * @param y the new y coordinate for the receiver |
| * @param width the new width for the receiver |
| * @param height the new height for 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 setBounds (int x, int y, int width, int height) {
|
| checkWidget();
|
| setBounds (x, y, width, height, true, true);
|
| }
|
|
|
| /** |
| * Sets the receiver's size and location to the rectangular |
| * area specified by the argument. The <code>x</code> and |
| * <code>y</code> fields of the rectangle are relative to |
| * the receiver's parent (or its display if its parent is null). |
| * <p> |
| * Note: Attempting to set the width or height of the |
| * receiver to a negative number will cause that |
| * value to be set to zero instead. |
| * </p> |
| * |
| * @param rect the new bounds for 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 setBounds (Rectangle rect) {
|
| if (rect == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| setBounds (rect.x, rect.y, rect.width, rect.height);
|
| }
|
|
|
| /** |
| * If the argument is <code>true</code>, causes the receiver to have |
| * all mouse events delivered to it until the method is called with |
| * <code>false</code> as the argument. |
| * |
| * @param capture <code>true</code> to capture the mouse, and <code>false</code> to release it |
| * |
| * @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 setCapture (boolean capture) {
|
| checkWidget();
|
| }
|
|
|
| /** |
| * Sets the receiver's cursor to the cursor specified by the |
| * argument, or to the default cursor for that kind of control |
| * if the argument is null. |
| * <p> |
| * When the mouse pointer passes over a control its appearance |
| * is changed to match the control's cursor. |
| * </p> |
| * |
| * @param cursor the new cursor (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument 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 setCursor (Cursor cursor) {
|
| checkWidget();
|
| int type = OS.Ph_CURSOR_INHERIT;
|
| int bitmap = 0;
|
| if (cursor != null) {
|
| if (cursor.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| type = cursor.type;
|
| bitmap = cursor.bitmap;
|
| }
|
| int [] args = new int []{
|
| OS.Pt_ARG_CURSOR_TYPE, type, 0,
|
| OS.Pt_ARG_BITMAP_CURSOR, bitmap, 0,
|
| };
|
| OS.PtSetResources (handle, args.length / 3, args);
|
|
|
| /*
|
| * Bug in Photon. For some reason, the widget cursor will
|
| * not change, when the new cursor is a bitmap cursor, if
|
| * the flag Ph_CURSOR_NO_INHERIT is reset. The fix is to reset
|
| * this flag after changing the cursor type to Ph_CURSOR_BITMAP.
|
| */
|
| if (type == OS.Ph_CURSOR_BITMAP) {
|
| type &= ~OS.Ph_CURSOR_NO_INHERIT;
|
| args = new int []{OS.Pt_ARG_CURSOR_TYPE, type, 0};
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| }
|
| }
|
|
|
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @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 [] args = {
|
| OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_BLOCKED, OS.Pt_BLOCKED,
|
| OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_GHOST, OS.Pt_GHOST,
|
| };
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| }
|
|
|
| /** |
| * Causes the receiver to have the <em>keyboard focus</em>, |
| * such that all keyboard events will be delivered to it. |
| * |
| * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. |
| * |
| * @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 #forceFocus |
| */ |
| public boolean setFocus () {
|
| checkWidget();
|
| return forceFocus ();
|
| }
|
|
|
| void sendPaintEvent (int damage) {
|
| if (!hooks(SWT.Paint)) return;
|
|
|
| /* Translate the damage to widget coordinates */
|
| short [] widgetX = new short [1];
|
| short [] widgetY = new short [1];
|
| OS.PtGetAbsPosition (handle, widgetX, widgetY);
|
| short [] shellX = new short [1];
|
| short [] shellY = new short [1];
|
| int shellHandle = OS.PtFindDisjoint (handle);
|
| OS.PtGetAbsPosition (shellHandle, shellX, shellY);
|
| PhPoint_t pt = new PhPoint_t ();
|
| pt.x = (short) (shellX [0] - widgetX [0]);
|
| pt.y = (short) (shellY [0] - widgetY [0]);
|
| damage = OS.PhCopyTiles (damage);
|
| damage = OS.PhTranslateTiles (damage, pt);
|
|
|
| /* Send the paint event */
|
| PhTile_t tile = new PhTile_t ();
|
| OS.memmove (tile, damage, PhTile_t.sizeof);
|
| if (tile.rect_ul_x != tile.rect_lr_x || tile.rect_ul_y != tile.rect_lr_y) {
|
| Event event = new Event ();
|
| event.x = tile.rect_ul_x;
|
| event.y = tile.rect_ul_y;
|
| event.width = tile.rect_lr_x - tile.rect_ul_x + 1;
|
| event.height = tile.rect_lr_y - tile.rect_ul_y + 1;
|
| Region region = Region.photon_new (tile.next);
|
| GC gc = event.gc = new GC (this);
|
| gc.setClipping (region);
|
| sendEvent (SWT.Paint, event);
|
| gc.dispose ();
|
| event.gc = null;
|
| }
|
| OS.PhFreeTiles (damage);
|
| }
|
|
|
| boolean sendResize () {
|
| return true;
|
| }
|
|
|
| /** |
| * Sets the receiver's background color to the color specified |
| * by the argument, or to the default system color for the control |
| * if the argument is null. |
| * |
| * @param color the new color (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument 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 setBackground (Color color) {
|
| checkWidget();
|
| int pixel = OS.Pt_DEFAULT_COLOR;
|
| if (color != null) {
|
| if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| pixel = color.handle;
|
| }
|
| int [] args = {OS.Pt_ARG_FILL_COLOR, pixel, 0};
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| }
|
|
|
| /** |
| * Sets the font that the receiver will use to paint textual information |
| * to the font specified by the argument, or to the default font for that |
| * kind of control if the argument is null. |
| * |
| * @param font the new font (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument 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 setFont (Font font) {
|
| checkWidget();
|
| byte[] buffer;
|
| if (font != null) {
|
| if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| buffer = font.handle;
|
| } else {
|
| buffer = defaultFont();
|
| }
|
| int ptr = OS.malloc (buffer.length);
|
| OS.memmove (ptr, buffer, buffer.length);
|
| int [] args = {
|
| OS.Pt_ARG_TEXT_FONT, ptr, 0,
|
| OS.Pt_ARG_LIST_FONT, ptr, 0,
|
| OS.Pt_ARG_TITLE_FONT, ptr, 0,
|
| };
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| OS.free (ptr);
|
| }
|
|
|
| /** |
| * Sets the receiver's foreground color to the color specified |
| * by the argument, or to the default system color for the control |
| * if the argument is null. |
| * |
| * @param color the new color (or null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument 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 setForeground (Color color) {
|
| checkWidget();
|
| int pixel = OS.Pt_DEFAULT_COLOR;
|
| if (color != null) {
|
| if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| pixel = color.handle;
|
| }
|
| int [] args = {OS.Pt_ARG_COLOR, pixel, 0};
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| }
|
|
|
| /** |
| * Sets the layout data associated with the receiver to the argument. |
| * |
| * @param layoutData the new layout data for 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 setLayoutData (Object layoutData) {
|
| checkWidget();
|
| this.layoutData = layoutData;
|
| }
|
|
|
| /** |
| * Sets the receiver's location to the point specified by |
| * the arguments which are relative to the receiver's |
| * parent (or its display if its parent is null). |
| * |
| * @param x the new x coordinate for the receiver |
| * @param y the new y coordinate for 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 setLocation (int x, int y) {
|
| checkWidget();
|
| setBounds (x, y, 0, 0, true, false);
|
| }
|
|
|
| /** |
| * Sets the receiver's location to the point specified by |
| * the argument which is relative to the receiver's |
| * parent (or its display if its parent is null). |
| * |
| * @param location the new location for 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 setLocation (Point location) {
|
| checkWidget();
|
| if (location == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| setLocation (location.x, location.y);
|
| }
|
|
|
| /** |
| * Sets the receiver's pop up menu to the argument. |
| * All controls may optionally have a pop up |
| * menu that is displayed when the user requests one for |
| * the control. The sequence of key strokes, button presses |
| * and/or button releases that are used to request a pop up |
| * menu is platform specific. |
| * |
| * @param menu the new pop up menu |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu</li> |
| * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the menu 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 setMenu (Menu menu) {
|
| checkWidget();
|
| int flags = 0;
|
| if (menu != null) {
|
| if (menu.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| flags = OS.Pt_MENUABLE;
|
| }
|
| int [] args = {
|
| OS.Pt_ARG_FLAGS, flags, OS.Pt_ALL_BUTTONS | OS.Pt_MENUABLE,
|
| };
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| this.menu = menu;
|
| }
|
|
|
| /** |
| * Changes the parent of the widget to be the one provided if |
| * the underlying operating system supports this feature. |
| * Answers <code>true</code> if the parent is successfully changed. |
| * |
| * @param parent the new parent for the control. |
| * @return <code>true</code> if the parent is changed and <code>false</code> otherwise. |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> |
| * </ul> |
| * @exception SWTError <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> |
| * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> |
| * </ul> |
| */ |
| public boolean setParent (Composite parent) {
|
| checkWidget();
|
| if (parent.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
|
| return false;
|
| }
|
|
|
| /** |
| * Sets the receiver's size to the point specified by the argument. |
| * <p> |
| * Note: Attempting to set the width or height of the |
| * receiver to a negative number will cause them to be |
| * set to zero instead. |
| * </p> |
| * |
| * @param size the new size for the receiver |
| * @param height the new height for the receiver |
| * |
| * @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 setSize (Point size) {
|
| checkWidget();
|
| if (size == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| setSize (size.x, size.y);
|
| }
|
| /** |
| * If the argument is <code>false</code>, causes subsequent drawing |
| * operations in the receiver to be ignored. No drawing of any kind |
| * can occur in the receiver until the flag is set to true. |
| * Graphics operations that occurred while the flag was |
| * <code>false</code> are lost. When the flag is set to <code>true</code>, |
| * the entire widget is marked as needing to be redrawn. |
| * <p> |
| * Note: This operation is a hint and may not be supported on some |
| * platforms or for some widgets. |
| * </p> |
| * |
| * @param redraw the new redraw 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 #redraw |
| * @see #update |
| */ |
| public void setRedraw (boolean redraw) {
|
| checkWidget();
|
| if (redraw) {
|
| OS.PtContainerRelease (handle);
|
| } else {
|
| OS.PtContainerHold (handle);
|
| }
|
| }
|
| /** |
| * Sets the receiver's size to the point specified by the arguments. |
| * <p> |
| * Note: Attempting to set the width or height of the |
| * receiver to a negative number will cause that |
| * value to be set to zero instead. |
| * </p> |
| * |
| * @param width the new width for the receiver |
| * @param height the new height for 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 setSize (int width, int height) {
|
| checkWidget();
|
| setBounds (0, 0, width, height, false, true);
|
| }
|
|
|
| /** |
| * Marks the receiver as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param visible the new visibility 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 setVisible (boolean visible) {
|
| checkWidget();
|
| int topHandle = topHandle ();
|
| int [] args = {
|
| OS.Pt_ARG_FLAGS, visible ? 0 : OS.Pt_DELAY_REALIZE, OS.Pt_DELAY_REALIZE,
|
| };
|
| OS.PtSetResources (topHandle, args.length / 3, args);
|
| if (visible) {
|
| sendEvent (SWT.Show);
|
| OS.PtRealizeWidget (topHandle);
|
| } else {
|
| OS.PtUnrealizeWidget (topHandle);
|
| sendEvent(SWT.Hide);
|
| }
|
| }
|
|
|
| /** |
| * 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 setZOrder() {
|
| OS.PtWidgetToBack (topHandle ());
|
| }
|
|
|
| void sort (int [] items) {
|
| /* Shell Sort from K&R, pg 108 */
|
| int length = items.length;
|
| for (int gap=length/2; gap>0; gap/=2) {
|
| for (int i=gap; i<length; i++) {
|
| for (int j=i-gap; j>=0; j-=gap) {
|
| if (items [j] <= items [j + gap]) {
|
| int swap = items [j];
|
| items [j] = items [j + gap];
|
| items [j + gap] = swap;
|
| }
|
| }
|
| }
|
| }
|
| }
|
|
|
| /** |
| * Returns a point which is the result of converting the |
| * argument, which is specified in display relative coordinates, |
| * to coordinates relative to the receiver. |
| * <p> |
| * @param point the point to be translated (must not be null) |
| * |
| * @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 Point toControl (Point point) {
|
| checkWidget();
|
| short [] x = new short [1], y = new short [1];
|
| OS.PtGetAbsPosition (handle, x, y);
|
| return new Point (point.x - x [0], point.y - y [0]);
|
| }
|
|
|
| /** |
| * Returns a point which is the result of converting the |
| * argument, which is specified in coordinates relative to |
| * the receiver, to display relative coordinates. |
| * <p> |
| * @param point the point to be translated (must not be null) |
| * |
| * @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 Point toDisplay (Point point) {
|
| checkWidget();
|
| short [] x = new short [1], y = new short [1];
|
| OS.PtGetAbsPosition (handle, x, y);
|
| return new Point (point.x + x [0], point.y + y [0]);
|
| }
|
|
|
| boolean translateTraversal (int key_sym, PhKeyEvent_t phEvent) {
|
| int detail = 0;
|
| boolean shift = (phEvent.key_mods & OS.Pk_KM_Shift) != 0;
|
| boolean control = (phEvent.key_mods & OS.Pk_KM_Ctrl) != 0;
|
| switch (key_sym) {
|
| case OS.Pk_Escape:
|
| Shell shell = getShell ();
|
| if (shell.parent == null) return false;
|
| if (!shell.isVisible () || !shell.isEnabled ()) return false;
|
| detail = SWT.TRAVERSE_ESCAPE;
|
| break;
|
| case OS.Pk_Return:
|
| Button button = menuShell ().getDefaultButton ();
|
| if (button == null || button.isDisposed ()) return false;
|
| if (!button.isVisible () || !button.isEnabled ()) return false;
|
| detail = SWT.TRAVERSE_RETURN;
|
| break;
|
| case OS.Pk_Tab:
|
| case OS.Pk_KP_Tab:
|
| detail = SWT.TRAVERSE_TAB_NEXT;
|
| if (shift) detail = SWT.TRAVERSE_TAB_PREVIOUS;
|
| break;
|
| case OS.Pk_Up:
|
| case OS.Pk_Left:
|
| detail = SWT.TRAVERSE_ARROW_PREVIOUS;
|
| break;
|
| case OS.Pk_Down:
|
| case OS.Pk_Right:
|
| detail = SWT.TRAVERSE_ARROW_NEXT;
|
| break;
|
| default:
|
| return false;
|
| }
|
| boolean doit = (detail & traversalCode (key_sym, phEvent)) != 0;
|
| if (!doit && control && (key_sym == OS.Pk_Tab || key_sym == OS.Pk_Tab)) {
|
| doit = true;
|
| control = false;
|
| }
|
| if (hooks (SWT.Traverse)) {
|
| Event event = new Event();
|
| event.doit = doit;
|
| event.detail = detail;
|
| setKeyState (event, phEvent);
|
| sendEvent (SWT.Traverse, event);
|
| if (isDisposed ()) return true;
|
| doit = event.doit;
|
| detail = event.detail;
|
| }
|
| if (doit) {
|
| switch (detail) {
|
| case SWT.TRAVERSE_ESCAPE: return traverseEscape ();
|
| case SWT.TRAVERSE_RETURN: return traverseReturn ();
|
| case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true, control);
|
| case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false, control);
|
| case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true);
|
| case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false);
|
| }
|
| }
|
| return false;
|
| }
|
|
|
| int traversalCode (int key_sym, PhKeyEvent_t ke) {
|
| return
|
| SWT.TRAVERSE_ESCAPE | SWT.TRAVERSE_RETURN |
|
| SWT.TRAVERSE_ARROW_NEXT | SWT.TRAVERSE_ARROW_PREVIOUS |
|
| SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS;
|
| }
|
|
|
| /** |
| * Based on the argument, perform one of the expected platform |
| * traversal action. The argument should be one of the constants: |
| * <code>SWT.TRAVERSE_ESCAPE</code>, <code>SWT.TRAVERSE_RETURN</code>, |
| * <code>SWT.TRAVERSE_TAB_NEXT</code>, <code>SWT.TRAVERSE_TAB_PREVIOUS</code>, |
| * <code>SWT.TRAVERSE_ARROW_NEXT</code> and <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>. |
| * |
| * @param traversal the type of traversal |
| * @return true if the traversal succeeded |
| * |
| * @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 traverse (int traversal) {
|
| checkWidget();
|
| if (!isFocusControl () && !setFocus ()) return false;
|
| switch (traversal) {
|
| case SWT.TRAVERSE_ESCAPE: return traverseEscape ();
|
| case SWT.TRAVERSE_RETURN: return traverseReturn ();
|
| case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true, false);
|
| case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false, false);
|
| case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true);
|
| case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false);
|
| }
|
| return false;
|
| }
|
|
|
| boolean traverseEscape () {
|
| Shell shell = getShell ();
|
| if (shell.parent == null) return false;
|
| if (!shell.isVisible () || !shell.isEnabled ()) return false;
|
| shell.close ();
|
| return true;
|
| }
|
|
|
| boolean traverseGroup (boolean next, boolean control) {
|
| if (control) {
|
| if (next) return OS.PtGlobalFocusPrevContainer (handle, null) != 0;
|
| return OS.PtGlobalFocusNextContainer (handle, null) != 0;
|
| }
|
| if (next) return OS.PtGlobalFocusPrev (handle, null) != 0;
|
| return OS.PtGlobalFocusNext (handle, null) != 0;
|
| }
|
|
|
| boolean traverseItem (boolean next) {
|
| if (next) return OS.PtContainerFocusPrev (handle, null) != 0;
|
| return OS.PtContainerFocusNext (handle, null) != 0;
|
| }
|
|
|
| boolean traverseReturn () {
|
| Button button = menuShell ().getDefaultButton ();
|
| if (button == null || button.isDisposed ()) return false;
|
| if (!button.isVisible () || !button.isEnabled ()) return false;
|
| button.click ();
|
| return true;
|
| }
|
|
|
| /** |
| * Forces all outstanding paint requests for the widget tree |
| * to be processed before this method returns. |
| * |
| * @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 #redraw |
| */ |
| public void update () {
|
| checkWidget();
|
| OS.PtFlush ();
|
| }
|
|
|
| }
|