| package org.eclipse.swt.widgets;
|
|
|
| /*
|
| * (c) Copyright IBM Corp. 2000, 2001.
|
| * All Rights Reserved
|
| */
|
|
|
| import org.eclipse.swt.internal.*;
|
| import org.eclipse.swt.internal.photon.*;
|
| import org.eclipse.swt.*;
|
| import org.eclipse.swt.graphics.*;
|
| import org.eclipse.swt.events.*;
|
|
|
| /** |
| * Instances of this class represent a selectable user interface object |
| * that represents a button in a tool bar. |
| * <p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * </p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| */ |
| public class ToolItem extends Item {
|
| ToolBar parent;
|
| Control control;
|
| String toolTipText;
|
| int toolTipHandle;
|
| Image hotImage, disabledImage;
|
| int button, arrow;
|
|
|
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>) and a style value |
| * describing its behavior and appearance. The item is added |
| * to the end of the items maintained by its parent. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * 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 ToolItem (ToolBar parent, int style) {
|
| this(parent, style, parent.getItemCount ());
|
| }
|
|
|
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>), a style value |
| * describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * 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 |
| * @param index the index to store the receiver in its parent |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style, int index) {
|
| super (parent, checkStyle (style));
|
| this.parent = parent;
|
| parent.createItem (this, index);
|
| }
|
|
|
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the control is selected, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
| * the event object detail field contains the value <code>SWT.ARROW</code>. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener(SelectionListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| TypedListener typedListener = new TypedListener (listener);
|
| addListener (SWT.Selection,typedListener);
|
| addListener (SWT.DefaultSelection,typedListener);
|
| }
|
|
|
| static int checkStyle (int style) {
|
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0);
|
| }
|
|
|
| protected void checkSubclass () {
|
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
|
| }
|
|
|
| int createArrowImage () {
|
| short width = 5;
|
| short height = 4;
|
| int image = OS.PhCreateImage(null, width, height, OS.Pg_IMAGE_DIRECT_888, 0, 0, 0);
|
| if (image == 0) SWT.error(SWT.ERROR_NO_HANDLES);
|
| PhDim_t dim = new PhDim_t();
|
| dim.w = width;
|
| dim.h = height;
|
| int mc = OS.PmMemCreateMC(image, dim, new PhPoint_t());
|
| if (mc == 0) SWT.error(SWT.ERROR_NO_HANDLES);
|
| OS.PmMemStart(mc);
|
| OS.PgSetFillColor(0xFFFFFF);
|
| OS.PgDrawIRect(0, 0, width, height, OS.Pg_DRAW_FILL);
|
| OS.PgSetStrokeColor(0x000000);
|
| OS.PgSetFillColor(0x000000);
|
| short [] points = {(short)0, (short)1, (short)2, (short)3, (short)4, (short)1};
|
| OS.PgDrawPolygon(points, points.length / 2, new PhPoint_t(), OS.Pg_DRAW_FILL | OS.Pg_DRAW_STROKE | OS.Pg_CLOSED);
|
| OS.PmMemFlush(mc, image);
|
| OS.PmMemStop(mc);
|
| OS.PmMemReleaseMC(mc);
|
| OS.PhMakeTransBitmap(image, 0xFFFFFF);
|
| return image;
|
| }
|
|
|
| void createHandle (int index) {
|
| state |= HANDLE;
|
| int count = parent.getItemCount();
|
| if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
|
| int parentHandle = parent.handle;
|
|
|
| if ((style & SWT.SEPARATOR) != 0) {
|
| int [] args = {
|
| // OS.Pt_ARG_SEP_FLAGS, OS.Pt_SEP_VERTICAL, OS.Pt_SEP_VERTICAL | OS.Pt_SEP_HORIZONTAL,
|
| // OS.Pt_ARG_SEP_TYPE, OS.Pt_NOLINE, 0,
|
| OS.Pt_ARG_WIDTH, 2, 0,
|
| OS.Pt_ARG_RESIZE_FLAGS, OS.Pt_RESIZE_Y_ALWAYS, OS.Pt_RESIZE_XY_BITS,
|
| };
|
| handle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args);
|
| } else if ((style & SWT.DROP_DOWN) != 0) {
|
| int [] args = {
|
| OS.Pt_ARG_GROUP_ORIENTATION, OS.Pt_GROUP_HORIZONTAL, 0,
|
| OS.Pt_ARG_GROUP_FLAGS, OS.Pt_GROUP_EQUAL_SIZE_VERTICAL, OS.Pt_GROUP_EQUAL_SIZE_VERTICAL,
|
| };
|
| handle = OS.PtCreateWidget (OS.PtGroup (), parentHandle, args.length / 3, args);
|
| if (handle == 0) error (SWT.ERROR_NO_HANDLES);
|
| boolean rightAligned = (parent.style & SWT.RIGHT) != 0;
|
| args = new int [] {
|
| OS.Pt_ARG_BALLOON_POSITION, rightAligned ? OS.Pt_BALLOON_RIGHT : OS.Pt_BALLOON_BOTTOM, 0,
|
| OS.Pt_ARG_BASIC_FLAGS, 0, OS.Pt_RIGHT_ETCH | OS.Pt_RIGHT_OUTLINE,
|
| };
|
| button = OS.PtCreateWidget (OS.PtButton (), handle, args.length / 3, args);
|
| if (button == 0) error (SWT.ERROR_NO_HANDLES);
|
| int arrowImage = createArrowImage ();
|
| args = new int [] {
|
| OS.Pt_ARG_LABEL_IMAGE, arrowImage, 0,
|
| OS.Pt_ARG_LABEL_TYPE, OS.Pt_IMAGE, 0,
|
| OS.Pt_ARG_MARGIN_WIDTH, 1, 0,
|
| OS.Pt_ARG_BASIC_FLAGS, 0, OS.Pt_LEFT_ETCH | OS.Pt_LEFT_OUTLINE,
|
| };
|
| arrow = OS.PtCreateWidget (OS.PtButton (), handle, args.length / 3, args);
|
| OS.free (arrowImage);
|
| if (arrow == 0) error (SWT.ERROR_NO_HANDLES);
|
| } else {
|
| boolean rightAligned = (parent.style & SWT.RIGHT) != 0;
|
| boolean toggle = (style & (SWT.CHECK | SWT.RADIO)) != 0;
|
| int [] args = {
|
| OS.Pt_ARG_BALLOON_POSITION, rightAligned ? OS.Pt_BALLOON_RIGHT : OS.Pt_BALLOON_BOTTOM, 0,
|
| OS.Pt_ARG_FLAGS, toggle ? OS.Pt_TOGGLE : 0, OS.Pt_TOGGLE,
|
| };
|
| handle = button = OS.PtCreateWidget (OS.PtButton (), parentHandle, args.length / 3, args);
|
| }
|
| if (handle == 0) error (SWT.ERROR_NO_HANDLES);
|
| if (index != count) {
|
| int i = 0;
|
| int child = OS.PtWidgetChildBack (parentHandle);
|
| /*
|
| * Feature in Photon. Tool bars have an extra widget which
|
| * is the parent of all tool items. PtValidParent() can not be
|
| * used, since it does not return that widget.
|
| */
|
| if (child != 0) child = OS.PtWidgetChildBack (child);
|
| while (i != index && child != 0) {
|
| child = OS.PtWidgetBrotherInFront (child);
|
| i++;
|
| }
|
| OS.PtWidgetInsert (topHandle (), child, 1);
|
| }
|
| if (OS.PtWidgetIsRealized (parentHandle)) {
|
| OS.PtRealizeWidget (topHandle ());
|
| }
|
| }
|
|
|
| void deregister () {
|
| super.deregister ();
|
| if ((style & SWT.DROP_DOWN) != 0) {
|
| WidgetTable.remove (button);
|
| WidgetTable.remove (arrow);
|
| }
|
| }
|
|
|
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding rectangle |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Rectangle getBounds () {
|
| checkWidget();
|
| PhArea_t area = new PhArea_t ();
|
| OS.PtWidgetArea (handle, area);
|
| return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h);
|
| }
|
|
|
| /** |
| * Returns the control that is used to fill the bounds of |
| * the item when the items is a <code>SEPARATOR</code>. |
| * |
| * @return the control |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Control getControl () {
|
| checkWidget();
|
| return control;
|
| }
|
|
|
| /** |
| * Returns the receiver's disabled image if it has one, or null |
| * if it does not. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @return the receiver's disabled image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getDisabledImage () {
|
| checkWidget();
|
| return disabledImage;
|
| }
|
|
|
| public Display getDisplay () {
|
| ToolBar 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. |
| * <p> |
| * A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * </p> |
| * |
| * @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 the receiver's hot image if it has one, or null |
| * if it does not. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @return the receiver's hot image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getHotImage () {
|
| checkWidget();
|
| return hotImage;
|
| }
|
|
|
| /** |
| * Returns the receiver's parent, which must be a <code>ToolBar</code>. |
| * |
| * @return the receiver's parent |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public ToolBar getParent () {
|
| checkWidget();
|
| return parent;
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver is selected, |
| * and false otherwise. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked. When it is of type <code>TOGGLE</code>, |
| * it is selected when it is pushed. |
| * </p> |
| * |
| * @return the selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean getSelection () {
|
| checkWidget();
|
| if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false;
|
| int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| return (args [1] & OS.Pt_SET) != 0;
|
| }
|
|
|
| /** |
| * Returns the receiver's tool tip text, or null if it has not been set. |
| * |
| * @return the receiver's tool tip text |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public String getToolTipText () {
|
| checkWidget();
|
| return toolTipText;
|
| }
|
|
|
| /** |
| * Gets the width of the receiver. |
| * |
| * @return the width |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getWidth () {
|
| checkWidget();
|
| int [] args = {OS.Pt_ARG_WIDTH, 0, 0};
|
| OS.PtGetResources (handle, args.length / 3, args);
|
| return args [1];
|
| }
|
|
|
| void hookEvents () {
|
| super.hookEvents ();
|
| if ((style & SWT.SEPARATOR) != 0) return;
|
| int windowProc = getDisplay ().windowProc;
|
| OS.PtAddEventHandler (handle, OS.Ph_EV_BOUNDARY, windowProc, SWT.MouseEnter);
|
| OS.PtAddCallback (button, OS.Pt_CB_ACTIVATE, windowProc, SWT.Selection);
|
| if ((style & SWT.DROP_DOWN) != 0) {
|
| OS.PtAddCallback (arrow, OS.Pt_CB_ACTIVATE, windowProc, SWT.Selection);
|
| }
|
| }
|
|
|
| /** |
| * Returns <code>true</code> if the receiver is enabled, and |
| * <code>false</code> otherwise. |
| * <p> |
| * A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * </p> |
| * |
| * @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 ();
|
| }
|
|
|
| int processEvent (int widget, int data, int info) {
|
| if (widget == arrow && data == SWT.Selection) {
|
| Event event = new Event ();
|
| event.detail = SWT.ARROW;
|
| postEvent (SWT.Selection, event);
|
| return OS.Pt_CONTINUE;
|
| }
|
| return super.processEvent (widget, data, info);
|
| }
|
|
|
| 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);
|
| switch (ev.subtype) {
|
| case OS.Ph_EV_PTR_STEADY:
|
| int [] args = {OS.Pt_ARG_TEXT_FONT, 0, 0};
|
| OS.PtGetResources (button, args.length / 3, args);
|
| int length = OS.strlen (args [1]);
|
| byte [] font = new byte [length + 1];
|
| OS.memmove (font, args [1], length);
|
| destroyToolTip (toolTipHandle);
|
| toolTipHandle = createToolTip (toolTipText, button, font);
|
| break;
|
| case OS.Ph_EV_PTR_UNSTEADY:
|
| destroyToolTip (toolTipHandle);
|
| toolTipHandle = 0;
|
| break;
|
| }
|
| return OS.Pt_END;
|
| }
|
|
|
| int processSelection (int info) {
|
| if ((style & SWT.RADIO) != 0) {
|
| setSelection (true);
|
| ToolItem [] items = parent.getItems ();
|
| int index = 0;
|
| while (index < items.length && items [index] != this) index++;
|
| ToolItem item;
|
| int i = index;
|
| while (--i >= 0 && ((item = items [i]).style & SWT.RADIO) != 0) {
|
| item.setSelection (false);
|
| }
|
| i = index;
|
| while (++i < items.length && ((item = items [i]).style & SWT.RADIO) != 0) {
|
| item.setSelection (false);
|
| }
|
| }
|
| postEvent (SWT.Selection);
|
| return OS.Pt_CONTINUE;
|
| }
|
|
|
| void register () {
|
| super.register ();
|
| if ((style & SWT.DROP_DOWN) != 0) {
|
| WidgetTable.put (button, this);
|
| WidgetTable.put (arrow, this);
|
| }
|
| }
|
|
|
| void releaseChild () {
|
| super.releaseChild ();
|
| parent.destroyItem (this);
|
| }
|
|
|
| void releaseHandle () {
|
| super.releaseHandle ();
|
| arrow = button = 0;
|
| }
|
|
|
| void releaseWidget () {
|
| super.releaseWidget ();
|
| if (toolTipHandle != 0) destroyToolTip (toolTipHandle);
|
| toolTipHandle = 0;
|
| parent = null;
|
| control = null;
|
| hotImage = null;
|
| disabledImage = null;
|
| toolTipText = null;
|
| }
|
|
|
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control is selected. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener |
| */ |
| public void removeSelectionListener(SelectionListener listener) {
|
| checkWidget();
|
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
|
| if (eventTable == null) return;
|
| eventTable.unhook (SWT.Selection, listener);
|
| eventTable.unhook (SWT.DefaultSelection,listener);
|
| }
|
|
|
| /** |
| * Sets the control that is used to fill the bounds of |
| * the item when the items is a <code>SEPARATOR</code>. |
| * |
| * @param control the new control |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setControl (Control control) {
|
| checkWidget();
|
| if (control != null) {
|
| if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT);
|
| if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT);
|
| }
|
| if ((style & SWT.SEPARATOR) == 0) return;
|
| Control oldControl = this.control;
|
| this.control = control;
|
| if (oldControl != null) {
|
| OS.PtReParentWidget(oldControl.handle, parent.handle);
|
| }
|
| if (control != null && !control.isDisposed ()) {
|
| OS.PtReParentWidget(control.handle, handle);
|
| control.setBounds (getBounds ());
|
| }
|
| }
|
|
|
| /** |
| * Sets the receiver's disabled image to the argument, which may be |
| * null indicating that no disabled image should be displayed. |
| * <p> |
| * The disbled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @param image the disabled image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setDisabledImage (Image image) {
|
| checkWidget();
|
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
|
| if ((style & SWT.SEPARATOR) != 0) return;
|
| disabledImage = image;
|
| }
|
|
|
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. |
| * <p> |
| * A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * </p> |
| * |
| * @param enabled the new enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setEnabled (boolean enabled) {
|
| checkWidget();
|
| int [] 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);
|
| }
|
|
|
| /** |
| * Sets the receiver's hot image to the argument, which may be |
| * null indicating that no hot image should be displayed. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @param image the hot image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setHotImage (Image image) {
|
| checkWidget();
|
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
|
| if ((style & SWT.SEPARATOR) != 0) return;
|
|
|
| /* TEMPORARY CODE: remove when when FLAT tool bars are implemented */
|
| if ((parent.style & SWT.FLAT) != 0) setImage (image);
|
|
|
| hotImage = image;
|
| }
|
|
|
| public void setImage (Image image) {
|
| checkWidget();
|
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
|
| if ((style & SWT.SEPARATOR) != 0) return;
|
| super.setImage (image);
|
|
|
| /* TEMPORARY CODE: remove when when FLAT tool bars are implemented */
|
| if ((parent.style & SWT.FLAT) != 0 && hotImage != null) return;
|
|
|
| int imageHandle = 0;
|
| int type = OS.Pt_Z_STRING;
|
| if (image != null) {
|
| imageHandle = copyPhImage (image.handle);
|
| int [] args = {OS.Pt_ARG_TEXT_STRING, 0, 0};
|
| OS.PtGetResources (button, args.length / 3, args);
|
| if (args [1] != 0 && OS.strlen (args [1]) > 0) type = OS.Pt_TEXT_IMAGE;
|
| else type = OS.Pt_IMAGE;
|
| }
|
| int [] args = {
|
| OS.Pt_ARG_LABEL_IMAGE, imageHandle, 0,
|
| OS.Pt_ARG_LABEL_TYPE, type, 0
|
| };
|
| OS.PtSetResources (button, args.length / 3, args);
|
| if (imageHandle != 0) OS.free (imageHandle);
|
|
|
| /*
|
| * Bug on Photon. When a the text/image is set on a
|
| * DROP_DOWN item that is realized, the item does not resize
|
| * to show the new text/image. The fix is to force the item
|
| * to recalculate the size.
|
| */
|
| if ((style & SWT.DROP_DOWN) != 0) {
|
| if (OS.PtWidgetIsRealized (handle)) {
|
| OS.PtExtentWidget (handle);
|
| }
|
| }
|
| }
|
|
|
| /** |
| * Sets the selection state of the receiver. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked. When it is of type <code>TOGGLE</code>, |
| * it is selected when it is pushed. |
| * </p> |
| * |
| * @param selected the new selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setSelection (boolean selected) {
|
| checkWidget();
|
| if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return;
|
| int [] args = {OS.Pt_ARG_FLAGS, selected ? OS.Pt_SET : 0, OS.Pt_SET};
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| }
|
|
|
| public void setText (String string) {
|
| checkWidget();
|
| if ((style & SWT.SEPARATOR) != 0) return;
|
| super.setText (string);
|
| int ptr = 0;
|
| int type = OS.Pt_IMAGE;
|
| if (string != null) {
|
| byte [] buffer = Converter.wcsToMbcs (null, string, true);
|
| ptr = OS.malloc (buffer.length);
|
| OS.memmove (ptr, buffer, buffer.length);
|
| int [] args = {OS.Pt_ARG_LABEL_IMAGE, 0, 0};
|
| OS.PtGetResources (button, args.length / 3, args);
|
| if (args [1] != 0) type = OS.Pt_TEXT_IMAGE;
|
| else type = OS.Pt_Z_STRING;
|
| }
|
| int [] args = {
|
| OS.Pt_ARG_TEXT_STRING, ptr, 0,
|
| OS.Pt_ARG_LABEL_TYPE, type, 0,
|
| };
|
| OS.PtSetResources (button, args.length / 3, args);
|
| if (ptr != 0) OS.free (ptr);
|
|
|
| /*
|
| * Bug on Photon. When a the text/image is set on a
|
| * DROP_DOWN item that is realized, the item does not resize
|
| * to show the new text/image. The fix is to force the item
|
| * to recalculate the size.
|
| */
|
| if ((style & SWT.DROP_DOWN) != 0) {
|
| if (OS.PtWidgetIsRealized (handle)) {
|
| OS.PtExtentWidget (handle);
|
| }
|
| }
|
| }
|
|
|
| /** |
| * 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;
|
| }
|
|
|
| /** |
| * Sets the width of the receiver. |
| * |
| * @param width the new width |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setWidth (int width) {
|
| checkWidget();
|
| if ((style & SWT.SEPARATOR) == 0) return;
|
| if (width < 0) return;
|
| int [] args = {OS.Pt_ARG_WIDTH, width, 0};
|
| OS.PtSetResources (handle, args.length / 3, args);
|
| if (control != null && !control.isDisposed ()) {
|
| control.setBounds (getBounds ());
|
| }
|
| }
|
| }
|