diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Control.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Control.java | 2853 |
1 files changed, 0 insertions, 2853 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Control.java deleted file mode 100755 index c6ab9813ef..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Control.java +++ /dev/null @@ -1,2853 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 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.photon.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.*; -import org.eclipse.swt.accessibility.*; - -/** - * Control is the abstract superclass of all windowed user interface classes. - * <p> - * <dl> - * <dt><b>Styles:</b> - * <dd>BORDER</dd> - * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> - * <dt><b>Events:</b> - * <dd>FocusIn, FocusOut, Help, KeyDown, KeyUp, MouseDoubleClick, MouseDown, MouseEnter, - * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse, - * DragDetect, MenuDetect</dd> - * </dl> - * </p><p> - * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. - * </p><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; - Image backgroundImage; - int toolTipHandle; - Accessible accessible; - -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 - * 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#BORDER - * @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 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(); - /* - * Bug in Photon. Photon will stop sending key - * events, if a menu is up and focus is given to - * a widget by calling PtContainerGiveFocus(). The - * fix is to detect when a menu is up and avoid - * calling this function. - */ - Shell shell = getShell (); - if (shell.activeMenu != null) return false; - shell.bringToTop (false); - OS.PtContainerGiveFocus (handle, null); - return hasFocus (); -} - -void checkBuffered () { - style &= ~SWT.DOUBLE_BUFFERED; -} - -/** - * Returns the preferred size of the receiver. - * <p> - * The <em>preferred 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 - * @see #getBorderWidth - * @see #getBounds - * @see #getSize - * @see #pack(boolean) - * @see "computeTrim, getClientArea for controls that implement them" - */ -public Point computeSize (int wHint, int hHint) { - return computeSize (wHint, hHint, true); -} - -/** - * Returns the preferred size of the receiver. - * <p> - * The <em>preferred 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 - * @see #getBorderWidth - * @see #getBounds - * @see #getSize - * @see #pack(boolean) - * @see "computeTrim, getClientArea for controls that implement them" - */ -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); -} - -Control computeTabGroup () { - if (isTabGroup ()) return this; - return parent.computeTabGroup (); -} - -Control computeTabRoot () { - Control [] tabList = parent._getTabList (); - if (tabList != null) { - int index = 0; - while (index < tabList.length) { - if (tabList [index] == this) break; - index++; - } - if (index == tabList.length) { - if (isTabGroup ()) return this; - } - } - return parent.computeTabRoot (); -} - -Control [] computeTabList () { - if (isTabGroup ()) { - if (getVisible () && getEnabled ()) { - return new Control [] {this}; - } - } - return new Control [0]; -} - -void createWidget (int index) { - checkOrientation (parent); - super.createWidget (index); - checkBuffered (); - setZOrder (); - realizeWidget (); - setDefaultFont (); -} - -int defaultBackground () { - return display.WIDGET_BACKGROUND; -} - -byte [] defaultFont () { - return display.TEXT_FONT; -} - -int defaultForeground () { - return display.WIDGET_FOREGROUND; -} - -boolean drawGripper (int x, int y, int width, int height, boolean vertical) { - return false; -} - -int drawProc (int widget, int damage) { - drawWidget (widget, damage); - if (!hooks(SWT.Paint) && !filters (SWT.Paint)) return OS.Pt_CONTINUE; - - /* 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); - boolean noMerge = (style & SWT.NO_MERGE_PAINTS) != 0 && (state & CANVAS) != 0; - if (tile.next != 0 && noMerge) { - while (tile.next != 0) { - OS.memmove (tile, tile.next, 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; - GCData data = new GCData(); - if (OS.QNX_MAJOR > 6 || (OS.QNX_MAJOR == 6 && (OS.QNX_MINOR > 2 || (OS.QNX_MINOR == 2 && OS.QNX_MICRO >= 1)))) { - data.paint = true; - } - GC gc = event.gc = GC.photon_new (this, data); - gc.setClipping (event.x, event.y, event.width, event.height); - sendEvent (SWT.Paint, event); - if (isDisposed ()) break; - gc.dispose (); - event.gc = null; - } - } - } else { - 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 (display, tile.next); - GCData data = new GCData(); - if (OS.QNX_MAJOR > 6 || (OS.QNX_MAJOR == 6 && (OS.QNX_MINOR > 2 || (OS.QNX_MINOR == 2 && OS.QNX_MICRO >= 1)))) { - data.paint = true; - } - GC gc = event.gc = GC.photon_new (this, data); - gc.setClipping (region); - sendEvent (SWT.Paint, event); - gc.dispose (); - event.gc = null; - } - } - OS.PhFreeTiles (damage); - return OS.Pt_CONTINUE; -} - -void drawWidget (int widget, int damage) { - int widgetClass = widgetClass (); - if (widgetClass != 0) OS.PtSuperClassDraw (widgetClass, handle, damage); -} - -void enableWidget (boolean enabled) { - int topHandle = topHandle (); - int flags = enabled ? 0 : OS.Pt_BLOCKED | OS.Pt_GHOST; - OS.PtSetResource (topHandle, OS.Pt_ARG_FLAGS, flags, OS.Pt_BLOCKED | OS.Pt_GHOST); -} - -/** - * Returns the accessible object for the receiver. - * If this is the first time this object is requested, - * then the object is created and returned. - * - * @return the accessible object - * - * @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 Accessible#addAccessibleListener - * @see Accessible#addAccessibleControlListener - * - * @since 2.0 - */ -public Accessible getAccessible () { - checkWidget (); - if (accessible == null) { - accessible = Accessible.internal_new_Accessible (this); - } - return accessible; -} - -/** - * 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 (display, args [1]); -} - -/** - * Returns the receiver's background image. - * - * @return the background 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> - * - * @since 3.2 - */ -public Image getBackgroundImage () { - checkWidget (); - return backgroundImage; -} - -/** - * 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.Pt_ARG_GAUGE_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) ptr = args [11]; - 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 (display, 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 (display, 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), - * unless the receiver is a shell. In this case, the location is - * relative to the display. - * - * @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 <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 (); - return (state & DISABLED) == 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), unless - * the receiver is a shell. In this case, the point is - * relative to the display. - * - * @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 menu; -} - -/** - * Returns the receiver's monitor. - * - * @return the receiver's monitor - * - * @since 3.0 - */ -public Monitor getMonitor () { - checkWidget(); - Monitor [] monitors = display.getMonitors (); - if (monitors.length == 1) return monitors [0]; - int index = -1, value = -1; - Rectangle bounds = getBounds (); - if (this != getShell ()) { - bounds = display.map (this.parent, null, bounds); - } - for (int i=0; i<monitors.length; i++) { - Rectangle rect = bounds.intersection (monitors [i].getBounds ()); - int area = rect.width * rect.height; - if (area > 0 && area > value) { - index = i; - value = area; - } - } - if (index >= 0) return monitors [index]; - int centerX = bounds.x + bounds.width / 2, centerY = bounds.y + bounds.height / 2; - for (int i=0; i<monitors.length; i++) { - Rectangle rect = monitors [i].getBounds (); - int x = centerX < rect.x ? rect.x - centerX : centerX > rect.x + rect.width ? centerX - rect.x - rect.width : 0; - int y = centerY < rect.y ? rect.y - centerY : centerY > rect.y + rect.height ? centerY - rect.y - rect.height : 0; - int distance = x * x + y * y; - if (index == -1 || distance < value) { - index = i; - value = distance; - } - } - return monitors [index]; -} - -/** - * 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 (); - return (OS.PtWidgetFlags (topHandle) & OS.Pt_DELAY_REALIZE) == 0; -} - -boolean hasFocus () { - return OS.PtIsFocused (handle) != 0; -} - -void hookEvents () { - int windowProc = display.windowProc; - int focusHandle = focusHandle (); - OS.PtAddFilterCallback (handle, OS.Ph_EV_KEY, windowProc, OS.Ph_EV_KEY); - OS.PtAddEventHandler (handle, OS.Ph_EV_BUT_PRESS, windowProc, OS.Ph_EV_BUT_PRESS); - OS.PtAddEventHandler (handle, OS.Ph_EV_BUT_RELEASE, windowProc, OS.Ph_EV_BUT_RELEASE); - OS.PtAddEventHandler (handle, OS.Ph_EV_PTR_MOTION, windowProc, OS.Ph_EV_PTR_MOTION); - OS.PtAddEventHandler (handle, OS.Ph_EV_BOUNDARY, windowProc, OS.Ph_EV_BOUNDARY); - if ((state & GRAB) != 0) { - OS.PtAddEventHandler (handle, OS.Ph_EV_DRAG, windowProc, OS.Ph_EV_DRAG); - OS.PtAddCallback (handle, OS.Pt_CB_OUTBOUND, windowProc, OS.Pt_CB_OUTBOUND); - } - OS.PtAddCallback (focusHandle, OS.Pt_CB_GOT_FOCUS, windowProc, OS.Pt_CB_GOT_FOCUS); - OS.PtAddCallback (focusHandle, OS.Pt_CB_LOST_FOCUS, windowProc, OS.Pt_CB_LOST_FOCUS); -} - -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 - */ -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 mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; - if ((data.style & mask) == 0) { - data.style |= style & (mask | SWT.MIRRORED); - } - int [] args = {OS.Pt_ARG_COLOR, 0, 0, OS.Pt_ARG_FILL_COLOR, 0, 0}; - OS.PtGetResources (handle, args.length / 3, args); - data.device = display; - 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 hDC the platform specific GC handle - * @param data the platform specific GC data - */ -public void internal_dispose_GC (int phGC, GCData data) { - checkWidget (); - OS.PgDestroyGC(phGC); -} - -/** - * Returns <code>true</code> if the receiver is enabled and all - * ancestors up to and including the receiver's nearest ancestor - * shell are enabled. Otherwise, <code>false</code> is returned. - * 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 (); -} - -boolean isFocusAncestor () { - 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; -} - -boolean isShowing () { - /* - * This is not complete. Need to check if the - * widget is obscurred by a parent or sibling. - */ - if (!isVisible ()) return false; - Control control = this; - while (control != null) { - Point size = control.getSize (); - if (size.x == 0 || size.y == 0) { - return false; - } - control = control.parent; - } - return true; - /* - * Check to see if current damage is included. - */ -// if (!OS.IsWindowVisible (handle)) return false; -// int flags = OS.DCX_CACHE | OS.DCX_CLIPCHILDREN | OS.DCX_CLIPSIBLINGS; -// int hDC = OS.GetDCEx (handle, 0, flags); -// int result = OS.GetClipBox (hDC, new RECT ()); -// OS.ReleaseDC (handle, hDC); -// return result != OS.NULLREGION; -} - -boolean isTabGroup () { - Control [] tabList = parent._getTabList (); - if (tabList != null) { - for (int i=0; i<tabList.length; i++) { - if (tabList [i] == this) return true; - } - } - int code = traversalCode (0, null); - if ((code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) != 0) return false; - return (code & (SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_TAB_NEXT)) != 0; -} - -boolean isTabItem () { - Control [] tabList = parent._getTabList (); - if (tabList != null) { - for (int i=0; i<tabList.length; i++) { - if (tabList [i] == this) return false; - } - } - int code = traversalCode (0, null); - return (code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) != 0; -} - -/** - * Returns <code>true</code> if the receiver is visible and all - * ancestors up to and including the receiver's nearest ancestor - * shell are visible. Otherwise, <code>false</code> is returned. - * - * @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> - * - * @see #getVisible - */ -public boolean isVisible () { - checkWidget(); - return OS.PtWidgetIsRealized (handle); -} - -void markLayout (boolean changed, boolean all) { - /* Do nothing */ -} - -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 control 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> - * - * @see Control#moveBelow - * @see Composite#getChildren - */ -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); - if (parent != control.parent) return; - 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 control 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> - * - * @see Control#moveAbove - * @see Composite#getChildren - */ -public void moveBelow (Control control) { - checkWidget(); - int topHandle1 = topHandle (); - if (control == null) { - if (parent != null) parent.moveToBack (topHandle1); - OS.PtWindowToBack (topHandle1); - return; - } - if (control.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); - if (parent != control.parent) return; - 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(int, int, boolean) - */ -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> - * - * @param changed whether or not the receiver's contents have changed - * - * @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(int, int, boolean) - */ -public void pack (boolean changed) { - checkWidget(); - setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed)); -} - -int Ph_EV_BOUNDARY (int widget, 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 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); - switch ((int) ev.subtype) { - case OS.Ph_EV_PTR_ENTER: - case OS.Ph_EV_PTR_ENTER_FROM_CHILD:{ - Event event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseEnter, pe, ev); - sendEvent (SWT.MouseEnter, event); - break; - } - case OS.Ph_EV_PTR_LEAVE: - case OS.Ph_EV_PTR_LEAVE_TO_CHILD: { - Event event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseExit, pe, ev); - sendEvent (SWT.MouseExit, event); - break; - } - case OS.Ph_EV_PTR_STEADY: { - Event event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseHover, pe, ev); - 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 Ph_EV_BUT_PRESS (int widget, 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; - } - ev.processing_flags |= OS.Ph_CONSUMED; - OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof); - 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 event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseDown, pe, ev); - postEvent (SWT.MouseDown, event); - if (pe.click_count == 2) { - Event clickEvent = new Event (); - setMouseState (clickEvent, SWT.MouseDoubleClick, pe, ev); - postEvent (SWT.MouseDoubleClick, clickEvent); - } - if (event.button == 3) { - Event menuEvent = new Event (); - menuEvent.x = pe.pos_x; - menuEvent.y = pe.pos_y; - sendEvent (SWT.MenuDetect, menuEvent); - if (menuEvent.doit) { - if (menu != null && !menu.isDisposed ()) { - if (menuEvent.x != event.x || menuEvent.y != event.y) { - menu.setLocation (menuEvent.x, menuEvent.y); - } - menu.setVisible (true); - } - } - } - display.dragStartX = pe.pos_x + ev.translation_x; - display.dragStartY = pe.pos_y + ev.translation_y; - /* - * It is possible that the shell may be - * disposed at this point. If this happens - * don't send the activate and deactivate - * events. - */ - Shell shell = getShell (); - if (!shell.isDisposed ()) { - shell.setActiveControl (this); - } - return OS.Pt_CONTINUE; -} - -int Ph_EV_BUT_RELEASE (int widget, 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; - } - ev.processing_flags |= OS.Ph_CONSUMED; - OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof); - if (ev.subtype != OS.Ph_EV_RELEASE_PHANTOM) { - return OS.Pt_CONTINUE; - } - 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 event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseUp, pe, ev); - postEvent (SWT.MouseUp, event); - return OS.Pt_CONTINUE; -} - -int Ph_EV_DRAG (int widget, 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; - } - if (ev.subtype != OS.Ph_EV_DRAG_MOTION_EVENT) { - return OS.Pt_CONTINUE; - } - 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 event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseMove, pe, ev); - postEvent (SWT.MouseMove, event); - return OS.Pt_CONTINUE; -} - -int Ph_EV_KEY (int widget, 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; - } - - /* Ignore repeating modifier keys */ - 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 event type */ - int type = SWT.KeyUp; - if ((ke.key_flags & (OS.Pk_KF_Key_Down | OS.Pk_KF_Key_Repeat)) != 0) { - type = SWT.KeyDown; - } - - /* Determine if this is a traverse event */ - if (type == SWT.KeyDown) { - /* - * 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: - case OS.Pk_Pg_Up: - case OS.Pk_Pg_Down: { - 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; - } - // widget could be disposed at this point - if (isDisposed ()) return OS.Pt_CONSUME; - } - } - } - - Event event = new Event (); - event.time = ev.timestamp; - if (!setKeyState (event, type, ke)) return OS.Pt_PROCESS; - if (type == SWT.KeyDown) { - display.lastKey = event.keyCode; - display.lastAscii = event.character; - } else { - if (event.keyCode == 0) event.keyCode = display.lastKey; - if (event.character == 0) event.character = (char) display.lastAscii; - } - sendEvent (type, event); - // widget could be disposed at this point - if (isDisposed ()) return OS.Pt_CONSUME; - return event.doit ? OS.Pt_PROCESS :OS.Pt_CONSUME; -} - -int Ph_EV_PTR_MOTION (int widget, 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; - } - ev.processing_flags |= OS.Ph_CONSUMED; - OS.memmove (cbinfo.event, ev, PhEvent_t.sizeof); - if (ev.type == OS.Ph_EV_PTR_MOTION_BUTTON) { - if ((state & CANVAS) != 0) return OS.Pt_CONTINUE; - } - 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 event = new Event (); - event.time = ev.timestamp; - setMouseState (event, SWT.MouseMove, pe, ev); - postEvent (SWT.MouseMove, event); - return OS.Pt_CONTINUE; -} - -int Pt_CB_GOT_FOCUS (int widget, int info) { - Shell shell = getShell (); - sendEvent (SWT.FocusIn); - if (isDisposed ()) return OS.Pt_CONTINUE; - - /* - * 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 (this); - } - - /* - * Feature in Photon. Cannot return Pt_END - * or the text widget will not take focus. - */ - return OS.Pt_CONTINUE; -} - -int Pt_CB_LOST_FOCUS (int widget, int info) { - Shell shell = getShell (); - sendEvent (SWT.FocusOut); - if (isDisposed ()) return OS.Pt_CONTINUE; - - /* - * 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 ()) { - Display display = shell.display; - Control control = display.getFocusControl (); - if (control == null || shell != control.getShell () ) { - shell.setActiveControl (null); - } - } - - /* - * Feature in Photon. Cannot return Pt_END - * or the text widget will not take focus. - */ - return OS.Pt_CONTINUE; -} - -void realizeWidget() { - int parentHandle = parent.handle; - if (OS.PtWidgetIsRealized (parentHandle)) { - OS.PtRealizeWidget (topHandle ()); - } -} - -void releaseHandle () { - super.releaseHandle (); - parent = null; -} - -void releaseParent () { - super.releaseParent (); - parent.removeControl (this); -} - -void releaseWidget () { - super.releaseWidget (); - if (toolTipHandle != 0) destroyToolTip (toolTipHandle); - toolTipHandle = 0; - if (menu != null && !menu.isDisposed ()) { - menu.dispose (); - } - menu = 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, - * including the background. - * - * @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 - * @see PaintListener - * @see SWT#Paint - * @see SWT#NO_BACKGROUND - * @see SWT#NO_REDRAW_RESIZE - * @see SWT#NO_MERGE_PAINTS - */ -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, including the background. - * 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 - * @see PaintListener - * @see SWT#Paint - * @see SWT#NO_BACKGROUND - * @see SWT#NO_REDRAW_RESIZE - * @see SWT#NO_MERGE_PAINTS - */ -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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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); -} - -int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) { - int topHandle = topHandle (); - PhArea_t area = new PhArea_t (); - OS.PtWidgetArea (topHandle, area); - width = Math.max (width, 0); - height = Math.max (height, 0); - boolean sameOrigin = x == area.pos_x && y == area.pos_y; - boolean sameExtent = width == area.size_w && height == area.size_h; - if (move && resize) { - if (sameOrigin && sameExtent) return 0; - area.pos_x = (short) x; - area.pos_y = (short) y; - area.size_w = (short) width; - area.size_h = (short) height; - int ptr = OS.malloc (PhArea_t.sizeof); - OS.memmove (ptr, area, PhArea_t.sizeof); - OS.PtSetResource (topHandle, OS.Pt_ARG_AREA, ptr, 0); - OS.free (ptr); - } else { - if (move) { - if (sameOrigin) return 0; - 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); - OS.PtSetResource (topHandle, OS.Pt_ARG_POS, ptr, 0); - OS.free (ptr); - } else if (resize) { - if (sameExtent) return 0; - int [] args = { - OS.Pt_ARG_WIDTH, width, 0, - OS.Pt_ARG_HEIGHT, height, 0, - }; - OS.PtSetResources (topHandle, args.length / 3, args); - } - } - if (!OS.PtWidgetIsRealized (topHandle)) { - OS.PtExtentWidgetFamily (topHandle); - } - int result = 0; - if (move && !sameOrigin) { - sendEvent (SWT.Move); - result |= MOVED; - } - if (resize && !sameExtent) { - sendEvent (SWT.Resize); - result |= RESIZED; - } - return result; -} - -/** - * 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), unless - * the receiver is a shell. In this case, the <code>x</code> - * and <code>y</code> arguments are relative to the display. - * <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, 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; - OS.PtSetResource (handle, OS.Pt_ARG_CURSOR_TYPE, type, 0); - } -} - -/** - * 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 (); - if (enabled) { - if ((state & DISABLED) == 0) return; - state &= ~DISABLED; - } else { - if ((state & DISABLED) != 0) return; - state |= DISABLED; - } - enableWidget (enabled); -} - -/** - * Causes the receiver to have the <em>keyboard focus</em>, - * such that all keyboard events will be delivered to it. Focus - * reassignment will respect applicable platform constraints. - * - * @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(); - if ((style & SWT.NO_FOCUS) != 0) return false; - return forceFocus (); -} - -/** - * 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; - if (color == null) { - pixel = defaultBackground (); - } else { - if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); - pixel = color.handle; - } - setBackgroundPixel (pixel); -} - -/** - * Sets the receiver's background image to the image specified - * by the argument, or to the default system color for the control - * if the argument is null. The background image is tiled to fill - * the available space. - * - * @param image the new image (or null) - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> - * <li>ERROR_INVALID_ARGUMENT - if the argument is not a bitmap</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> - * - * @since 3.2 - */ -public void setBackgroundImage (Image image) { - checkWidget (); - if (image != null) { - if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - if (image.type != SWT.BITMAP) error (SWT.ERROR_INVALID_ARGUMENT); - } - if (backgroundImage == image) return; - backgroundImage = image; -} - -void setBackgroundPixel (int pixel) { - OS.PtSetResource (handle, OS.Pt_ARG_FILL_COLOR, pixel, 0); -} - -void setDefaultFont () { - if (display.defaultFont != null) setFont (defaultFont ()); -} - -/** - * 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 (); - } - setFont (buffer); -} - -void setFont (byte [] font) { - int ptr = OS.malloc (font.length); - OS.memmove (ptr, font, font.length); - setFont (ptr); - OS.free (ptr); -} - -void setFont (int font) { - int [] args = { - OS.Pt_ARG_TEXT_FONT, font, 0, - OS.Pt_ARG_LIST_FONT, font, 0, - OS.Pt_ARG_TITLE_FONT, font, 0, - OS.Pt_ARG_GAUGE_FONT, font, 0, - }; - OS.PtSetResources (handle, args.length / 3, args); -} - -/** - * 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; - if (color == null) { - pixel = defaultForeground (); - } else { - if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); - pixel = color.handle; - } - setForegroundPixel (pixel); -} - -void setForegroundPixel (int pixel) { - OS.PtSetResource (handle, OS.Pt_ARG_COLOR, pixel, 0); -} - -/** - * 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), unless - * the receiver is a shell. In this case, the point is - * relative to the display. - * - * @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, true); -} - -/** - * 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), unless - * the receiver is a shell. In this case, the point is - * relative to the display. - * - * @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. - * <p> - * Note: Disposing of a control that has a pop up menu will - * dispose of the menu. To avoid this behavior, set the - * menu to null before the control is disposed. - * </p> - * - * @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; - } - OS.PtSetResource (handle, OS.Pt_ARG_FLAGS, flags, OS.Pt_ALL_BUTTONS | OS.Pt_MENUABLE); - this.menu = menu; -} - -/** - * Changes the parent of the widget to be the one provided if - * the underlying operating system supports this feature. - * Returns <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> - * <li>ERROR_NULL_ARGUMENT - if the parent is <code>null</code></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 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 - * - * @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); -} - -boolean setTabGroupFocus () { - return setTabItemFocus (); -} - -boolean setTabItemFocus () { - if (!isShowing ()) return false; - return forceFocus (); -} - -boolean setRadioSelection (boolean value) { - return false; -} - -/** - * 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. Nested calls - * to this method are stacked. - * <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(int, int, int, int, boolean) - * @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, 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 oldFlags = OS.PtWidgetFlags (topHandle); - int flags = visible ? 0 : OS.Pt_DELAY_REALIZE; - OS.PtSetResource (topHandle, OS.Pt_ARG_FLAGS, flags, OS.Pt_DELAY_REALIZE); - if ((oldFlags & OS.Pt_DELAY_REALIZE) == flags) return; - if (visible) { - sendEvent (SWT.Show); - if (isDisposed ()) return; - OS.PtRealizeWidget (topHandle); - } else { - OS.PtUnrealizeWidget (topHandle); - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in the FocusOut - * event that is triggered by PtUnrealizeWidget if the widget - * being hidden has focus. If this happens, just return. - */ - if (isDisposed ()) return; - 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() { - if (parent != null) parent.moveToBack (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 x the x coordinate to be translated - * @param y the y coordinate to be translated - * @return the translated coordinates - * - * @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> - * - * @since 2.1 - */ -public Point toControl (int x, int y) { - checkWidget(); - short [] position_x = new short [1], position_y = new short [1]; - OS.PtGetAbsPosition (handle, position_x, position_y); - return new Point (x - position_x [0], y - position_y [0]); -} - -/** - * 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) - * @return the translated coordinates - * - * @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(); - if (point == null) error (SWT.ERROR_NULL_ARGUMENT); - return toControl (point.x, point.y); -} - -/** - * 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 x the x coordinate to be translated - * @param y the y coordinate to be translated - * @return the translated coordinates - * - * @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> - * - * @since 2.1 - */ -public Point toDisplay (int x, int y) { - checkWidget(); - short [] position_x = new short [1], position_y = new short [1]; - OS.PtGetAbsPosition (handle, position_x, position_y); - return new Point (x + position_x [0], y + position_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) - * @return the translated coordinates - * - * @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(); - if (point == null) error (SWT.ERROR_NULL_ARGUMENT); - return toDisplay (point.x, point.y); -} - -boolean translateTraversal (int key_sym, PhKeyEvent_t phEvent) { - int detail = SWT.TRAVERSE_NONE; - int code = traversalCode (key_sym, phEvent); - boolean all = false; - switch (key_sym) { - case OS.Pk_Escape: { - all = true; - detail = SWT.TRAVERSE_ESCAPE; - break; - } - case OS.Pk_Return: { - all = true; - detail = SWT.TRAVERSE_RETURN; - break; - } - case OS.Pk_Tab: - case OS.Pk_KP_Tab: { - boolean next = (phEvent.key_mods & OS.Pk_KM_Shift) == 0; - detail = next ? SWT.TRAVERSE_TAB_NEXT : 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; - } - case OS.Pk_Pg_Down: - case OS.Pk_Pg_Up: { - all = true; - if ((phEvent.key_mods & OS.Pk_KM_Ctrl) == 0) return false; - detail = key_sym == OS.Pk_Pg_Down ? SWT.TRAVERSE_PAGE_NEXT : SWT.TRAVERSE_PAGE_PREVIOUS; - break; - } - default: - return false; - } - Event event = new Event (); - event.doit = (code & detail) != 0; - event.detail = detail; - if (!setKeyState (event, SWT.Traverse, phEvent)) return false; - Shell shell = getShell (); - Control control = this; - do { - if (control.traverse (event)) return true; - if (!event.doit && control.hooks (SWT.Traverse)) { - return false; - } - if (control == shell) return false; - control = control.parent; - } while (all && control != null); - return false; -} - -int traversalCode (int key_sym, PhKeyEvent_t ke) { -// if ((OS.PtWidgetFlags (handle) & OS.Pt_GETS_FOCUS) == 0) return 0; - int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS; - Shell shell = getShell (); - if (shell.parent != null) code |= SWT.TRAVERSE_ESCAPE; - return code; -} - -boolean traverse (Event event) { - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in the traverse - * event. If this happens, return true to stop further - * event processing. - */ - sendEvent (SWT.Traverse, event); - if (isDisposed ()) return true; - if (!event.doit) return false; - switch (event.detail) { - case SWT.TRAVERSE_NONE: return true; - case SWT.TRAVERSE_ESCAPE: return traverseEscape (); - case SWT.TRAVERSE_RETURN: return traverseReturn (); - case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true); - case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false); - case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true); - case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false); - case SWT.TRAVERSE_MNEMONIC: return traverseMnemonic (event.character); - case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true); - case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false); - } - return false; -} - -/** - * 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 (); - Event event = new Event (); - event.doit = true; - event.detail = traversal; - return traverse (event); -} - -boolean traverseEscape () { - return false; -} - -boolean traverseGroup (boolean next) { - Control root = computeTabRoot (); - Control group = computeTabGroup (); - Control [] list = root.computeTabList (); - int length = list.length; - int index = 0; - while (index < length) { - if (list [index] == group) break; - index++; - } - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in focus in - * or out events. Ensure that a disposed widget is - * not accessed. - */ - if (index == length) return false; - int start = index, offset = (next) ? 1 : -1; - while ((index = ((index + offset + length) % length)) != start) { - Control control = list [index]; - if (!control.isDisposed () && control.setTabGroupFocus ()) { - return true; - } - } - if (group.isDisposed ()) return false; - return group.setTabGroupFocus (); -} - -boolean traverseItem (boolean next) { - Control [] children = parent._getChildren (); - int length = children.length; - int index = 0; - while (index < length) { - if (children [index] == this) break; - index++; - } - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in focus in - * or out events. Ensure that a disposed widget is - * not accessed. - */ - if (index == length) return false; - int start = index, offset = (next) ? 1 : -1; - while ((index = (index + offset + length) % length) != start) { - Control child = children [index]; - if (!child.isDisposed () && child.isTabItem ()) { - if (child.setTabItemFocus ()) return true; - } - } - return false; -} - -boolean traversePage (boolean next) { - return false; -} - -boolean traverseMnemonic (char key) { -// return mnemonicHit (key); - return false; -} - -boolean traverseReturn () { - return false; -} - -/** - * Forces all outstanding paint requests for the widget - * 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(int, int, int, int, boolean) - * @see PaintListener - * @see SWT#Paint - */ -public void update () { - checkWidget(); - OS.PtFlush (); -} - -void updateLayout (boolean all) { - /* Do nothing */ -} - -int widgetClass () { - return 0; -} - -} |