| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| 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. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN |
| * may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| */ |
| public class ToolItem extends Item { |
| ToolBar parent; |
| 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 |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style) { |
| 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 |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * @param index the index to store the receiver in its parent |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style, int index) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| parent.createItem (this, index); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the control is selected, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
| * the event object detail field contains the value <code>SWT.ARROW</code>. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </p> |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener(SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Selection,typedListener); |
| addListener (SWT.DefaultSelection,typedListener); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| 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); |
| int prevContext = 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.PhDCSetCurrent(prevContext); |
| 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); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| } 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_LABEL_TYPE, 0, 0, |
| OS.Pt_ARG_FLAGS, 0, OS.Pt_GETS_FOCUS, |
| 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_FLAGS, 0, OS.Pt_GETS_FOCUS, |
| 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_LABEL_TYPE, 0, 0, |
| OS.Pt_ARG_FLAGS, 0, OS.Pt_GETS_FOCUS, |
| 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 createWidget (int index) { |
| super.createWidget (index); |
| setDefaultFont (); |
| } |
| |
| 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(); |
| int topHandle = topHandle (); |
| PhArea_t area = new PhArea_t (); |
| OS.PtWidgetArea (topHandle, area); |
| return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h); |
| } |
| |
| /** |
| * Returns the 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. A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #isEnabled |
| */ |
| public boolean getEnabled () { |
| checkWidget (); |
| int topHandle = topHandle (); |
| return (OS.PtWidgetFlags (topHandle) & 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 (which some platforms draw as a |
| * pushed in button). If the receiver is of any other type, this method |
| * returns false. |
| * </p> |
| * |
| * @return the selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean getSelection () { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false; |
| return (OS.PtWidgetFlags (handle) & 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 topHandle = topHandle (); |
| int [] args = {OS.Pt_ARG_WIDTH, 0, 0}; |
| OS.PtGetResources (topHandle, args.length / 3, args); |
| return args [1]; |
| } |
| |
| boolean hasFocus () { |
| return OS.PtIsFocused (handle) != 0; |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| int windowProc = getDisplay ().windowProc; |
| OS.PtAddEventHandler (handle, OS.Ph_EV_BOUNDARY, windowProc, OS.Ph_EV_BOUNDARY); |
| OS.PtAddCallback (button, OS.Pt_CB_ACTIVATE, windowProc, OS.Pt_CB_ACTIVATE); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| OS.PtAddCallback (arrow, OS.Pt_CB_ACTIVATE, windowProc, OS.Pt_CB_ACTIVATE); |
| } |
| OS.PtAddCallback (handle, OS.Pt_CB_LOST_FOCUS, windowProc, OS.Pt_CB_LOST_FOCUS); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled and all |
| * of the receiver's ancestors are enabled, and <code>false</code> |
| * otherwise. A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #getEnabled |
| */ |
| public boolean isEnabled () { |
| checkWidget(); |
| return getEnabled () && parent.isEnabled (); |
| } |
| |
| 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); |
| switch ((int) 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 Pt_CB_ACTIVATE (int widget, int info) { |
| Event event = new Event (); |
| if (widget == arrow) { |
| event.detail = SWT.ARROW; |
| int topHandle = topHandle (); |
| PhArea_t area = new PhArea_t (); |
| OS.PtWidgetArea (topHandle, area); |
| event.x = area.pos_x; |
| event.y = area.pos_y + area.size_h; |
| } else { |
| if ((style & SWT.RADIO) != 0) { |
| if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { |
| selectRadio (); |
| } |
| } |
| } |
| postEvent (SWT.Selection, event); |
| return OS.Pt_CONTINUE; |
| } |
| |
| int Pt_CB_LOST_FOCUS (int widget, int info) { |
| parent.lastFocus = this; |
| 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); |
| if (parent.lastFocus == this) parent.lastFocus = null; |
| 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); |
| } |
| |
| void selectRadio () { |
| int index = 0; |
| ToolItem [] items = parent.getItems (); |
| while (index < items.length && items [index] != this) index++; |
| int i = index - 1; |
| while (i >= 0 && items [i].setRadioSelection (false)) --i; |
| int j = index + 1; |
| while (j < items.length && items [j].setRadioSelection (false)) j++; |
| setSelection (true); |
| } |
| |
| void setBackgroundPixel (int pixel) { |
| OS.PtSetResource (handle, OS.Pt_ARG_FILL_COLOR, pixel, 0); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| OS.PtSetResource (button, OS.Pt_ARG_FILL_COLOR, pixel, 0); |
| OS.PtSetResource (arrow, OS.Pt_ARG_FILL_COLOR, pixel, 0); |
| } |
| } |
| |
| /** |
| * Sets the control that is used to fill the bounds of |
| * the item when the items is a <code>SEPARATOR</code>. |
| * |
| * @param control the new control |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setControl (Control control) { |
| checkWidget(); |
| if (control != null) { |
| if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); |
| } |
| if ((style & SWT.SEPARATOR) == 0) return; |
| Control oldControl = this.control; |
| this.control = control; |
| if (oldControl != null) { |
| OS.PtReParentWidget(oldControl.handle, parent.parentingHandle ()); |
| } |
| if (control != null && !control.isDisposed ()) { |
| OS.PtReParentWidget(control.handle, handle); |
| control.setBounds (getBounds ()); |
| } |
| } |
| |
| void setDefaultFont () { |
| Display display = getDisplay (); |
| if (display.defaultFont != null) setFont (parent.defaultFont ()); |
| } |
| |
| /** |
| * 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 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); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| OS.PtSetResource (button, OS.Pt_ARG_FLAGS, flags, OS.Pt_BLOCKED | OS.Pt_GHOST); |
| OS.PtSetResource (arrow, OS.Pt_ARG_FLAGS, flags, OS.Pt_BLOCKED | OS.Pt_GHOST); |
| } |
| } |
| |
| boolean setFocus () { |
| if ((style & SWT.SEPARATOR) != 0) return false; |
| int focusHandle = (style & SWT.DROP_DOWN) != 0 ? button : handle; |
| /* |
| * 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 = parent.getShell (); |
| if (shell.activeMenu != null) return false; |
| OS.PtContainerGiveFocus (focusHandle, null); |
| return OS.PtIsFocused(focusHandle) != 0; |
| } |
| |
| 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); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| OS.PtSetResources (button, args.length / 3, args); |
| OS.PtSetResources (arrow, args.length / 3, args); |
| } |
| } |
| |
| void setForegroundPixel (int pixel) { |
| OS.PtSetResource (handle, OS.Pt_ARG_COLOR, pixel, 0); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| OS.PtSetResource (button, OS.Pt_ARG_COLOR, pixel, 0); |
| OS.PtSetResource (arrow, OS.Pt_ARG_COLOR, pixel, 0); |
| } |
| } |
| |
| /** |
| * 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); |
| if(text.length() != 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); |
| } |
| } |
| } |
| |
| boolean setRadioSelection (boolean value) { |
| if ((style & SWT.RADIO) == 0) return false; |
| if (getSelection () != value) { |
| setSelection (value); |
| postEvent (SWT.Selection); |
| } |
| return true; |
| } |
| |
| /** |
| * Sets the selection state of the receiver. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). |
| * </p> |
| * |
| * @param selected the new selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setSelection (boolean selected) { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return; |
| OS.PtSetResource (handle, OS.Pt_ARG_FLAGS, selected ? OS.Pt_SET : 0, OS.Pt_SET); |
| } |
| |
| /** |
| * Sets the receiver's text. The string may include |
| * the mnemonic character. |
| * </p> |
| * <p> |
| * Mnemonics are indicated by an '&' that causes the next |
| * character to be the mnemonic. When the user presses a |
| * key sequence that matches the mnemonic, a selection |
| * event occurs. On most platforms, the mnemonic appears |
| * underlined but may be emphasised in a platform specific |
| * manner. The mnemonic indicator character '&' can be |
| * escaped by doubling it in the string, causing a single |
| *'&' to be displayed. |
| * </p> |
| * |
| * @param string the new text |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setText (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| super.setText (string); |
| byte [] buffer = Converter.wcsToMbcs (null, string, true); |
| int ptr = OS.malloc (buffer.length); |
| OS.memmove (ptr, buffer, buffer.length); |
| int type = OS.Pt_Z_STRING; |
| if (image != null) type = OS.Pt_TEXT_IMAGE; |
| 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 topHandle = topHandle (); |
| OS.PtSetResource (topHandle, OS.Pt_ARG_WIDTH, width, 0); |
| if (control != null && !control.isDisposed ()) { |
| control.setBounds (getBounds ()); |
| } |
| } |
| } |