/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Zhou Renjian - initial Java2Script implementation
*******************************************************************************/package org.eclipse.swt.widgets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.accessibility.Accessible;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.HelpListener;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.events.MouseMoveListener;
import org.eclipse.swt.events.MouseTrackListener;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.events.TraverseListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.graphics.Drawable;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.internal.RunnableCompatibility;
import org.eclipse.swt.internal.browser.OS;
import org.eclipse.swt.internal.browser.Popup;
import org.eclipse.swt.internal.dnd.HTMLEventWrapper;
import org.eclipse.swt.internal.struct.MESSAGE;
import org.eclipse.swt.internal.struct.WINDOWPOS;
import org.eclipse.swt.internal.xhtml.Clazz;
import org.eclipse.swt.internal.xhtml.Element;
import org.eclipse.swt.internal.xhtml.HTMLEvent;
import org.eclipse.swt.internal.xhtml.document;
/**
* 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>
* 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 {
public Composite parent;
Cursor cursor;
Menu menu;
String toolTipText;
Object layoutData;
Accessible accessible;
int drawCount, foreground, background;
int left, top;
protected int height;
protected int width;
//private int lastLeft, lastTop, lastHeight, lastWidth;
boolean locationSet = false;
private Object hOperaMouseUp;
private Object hControlMenuDetect;
/**
* Prevents uninitialized instances from being created outside the package.
* @j2sIgnore
*/
Control() {
}
/**
* 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();
}
/**
* 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);
}
Element borderHandle() {
return handle;
}
void checkBorder() {
if (getBorderWidth() == 0)
style &= ~SWT.BORDER;
}
void checkBuffered() {
style &= ~SWT.DOUBLE_BUFFERED;
}
boolean checkHandle(Element hwnd) {
return hwnd == handle;
}
void checkMirrored() {
if ((style & SWT.RIGHT_TO_LEFT) != 0) {
// int bits = OS.GetWindowLong (handle, OS.GWL_EXSTYLE);
// if ((bits & OS.WS_EX_LAYOUTRTL) != 0) style |= SWT.MIRRORED;
}
}
/**
* 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 createHandle() {
// Element hwndParent = widgetParent ();
// handle = document.createElement(windowClass ());
handle = document.createElement("DIV");
/*
handle = OS.CreateWindowEx (
widgetExtStyle (),
windowClass (),
null,
widgetStyle (),
OS.CW_USEDEFAULT, 0, OS.CW_USEDEFAULT, 0,
hwndParent,
0,
OS.GetModuleHandle (null),
widgetCreateStruct ());
if (handle == 0) error (SWT.ERROR_NO_HANDLES);
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
if ((bits & OS.WS_CHILD) != 0) {
OS.SetWindowLong (handle, OS.GWL_ID, handle);
}
if (OS.IsDBLocale && hwndParent != 0) {
int hIMC = OS.ImmGetContext (hwndParent);
OS.ImmAssociateContext (handle, hIMC);
OS.ImmReleaseContext (hwndParent, hIMC);
}
*/
}
void createWidget() {
// lastLeft = -1;
// lastTop = -1;
// lastWidth = 0;
// lastHeight = 0;
foreground = background = -1;
checkOrientation(parent);
createHandle();
checkBuffered();
register();
// subclass ();
setDefaultFont();
checkMirrored();
checkBorder();
_updateOrientation();
}
/*
int defaultBackground () {
if (OS.IsWinCE) return OS.GetSysColor (OS.COLOR_WINDOW);
return OS.GetSysColor (OS.COLOR_BTNFACE);
}
int defaultFont () {
return display.systemFont ();
}
int defaultForeground () {
return OS.GetSysColor (OS.COLOR_WINDOWTEXT);
}
*/
void deregister() {
display.removeControl(handle);
}
void destroyWidget() {
Element hwnd = topHandle();
releaseHandle();
if (hwnd != null) {
// OS.DestroyWindow (hwnd);
OS.destroyHandle(hwnd);
}
}
/*
void drawBackground (int hDC) {
RECT rect = new RECT ();
OS.GetClientRect (handle, rect);
drawBackground (hDC, getBackgroundPixel (), rect);
}
void drawBackground (int hDC, int pixel, RECT rect) {
Control control = null;
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
control = findThemeControl ();
}
if (control == null) {
int hPalette = display.hPalette;
if (hPalette != 0) {
OS.SelectPalette (hDC, hPalette, false);
OS.RealizePalette (hDC);
}
int hBrush = findBrush (pixel);
OS.FillRect (hDC, rect, hBrush);
} else {
RECT rect2 = new RECT ();
OS.GetWindowRect (control.handle, rect2);
OS.MapWindowPoints (0, handle, rect2, 2);
control.drawThemeBackground (hDC, rect2);
}
}
void drawBackground (int hDC, RECT rect) {
drawBackground (hDC, getBackgroundPixel (), rect);
}
void drawThemeBackground (int hDC, RECT rect) {
/* Do nothing *-/
}
*/
void enableWidget(boolean enabled) {
// OS.EnableWindow (handle, enabled);
handle.disabled = !enabled;
}
int findBrush(int pixel) {
return parent.findBrush(pixel);
}
Cursor findCursor() {
if (cursor != null)
return cursor;
return parent.findCursor();
}
Control findThemeControl() {
return background == -1 ? parent.findThemeControl() : null;
}
Menu[] findMenus(Control control) {
if (menu != null && this != control)
return new Menu[] { menu };
return new Menu[0];
}
protected char findMnemonic(String string) {
int index = 0;
int length = string.length();
do {
while (index < length && string.charAt(index) != '&')
index++;
if (++index >= length)
return '\0';
if (string.charAt(index) != '&')
return string.charAt(index);
index++;
} while (index < length);
return '\0';
}
void fixChildren(Shell newShell, Shell oldShell,
Decorations newDecorations, Decorations oldDecorations,
Menu[] menus) {
oldShell.fixShell(newShell, this );
oldDecorations.fixDecorations(newDecorations, this , menus);
}
void fixFocus(Control focusControl) {
Shell shell = getShell();
Control control = this ;
while (control != shell && (control = control.parent) != null) {
if (control.setFixedFocus())
return;
}
shell.setSavedFocus(focusControl);
// OS.SetFocus (0);
}
/**
* 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();
if (display.focusEvent == SWT.FocusOut)
return false;
Decorations shell = menuShell();
shell.setSavedFocus(this );
if (!isEnabled() || !isVisible() || !j2sIsActive())
return false;
if (isFocusControl())
return true;
shell.setSavedFocus(null);
/*
* This code is intentionally commented.
*
* When setting focus to a control, it is
* possible that application code can set
* the focus to another control inside of
* WM_SETFOCUS. In this case, the original
* control will no longer have the focus
* and the call to setFocus() will return
* false indicating failure.
*
* We are still working on a solution at
* this time.
*/
// if (OS.GetFocus () != OS.SetFocus (handle)) return false;
// OS.SetFocus (handle); // TODO
if (isDisposed())
return false;
OS.SetFocus(handle);
// return false;
shell.setSavedFocus(this );
return isFocusControl();
}
protected void forceResize() {
if (parent == null)
return;
WINDOWPOS[] lpwp = parent.lpwp;
if (lpwp == null)
return;
int length = lpwp.length;
for (int i = 0; i < length; i++) {
WINDOWPOS wp = lpwp[i];
if (wp != null && wp.hwnd == handle) {
/*
* This code is intentionally commented. All widgets that
* are created by SWT have WS_CLIPSIBLINGS to ensure that
* application code does not draw outside of the control.
*/
// int count = parent.getChildrenCount ();
// if (count > 1) {
// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// if ((bits & OS.WS_CLIPSIBLINGS) == 0) wp.flags |= OS.SWP_NOCOPYBITS;
// }
SetWindowPos(wp.hwnd, null, wp.x, wp.y, wp.cx, wp.cy,
wp.flags);
lpwp[i] = null;
return;
}
}
}
/**
* 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 = new_Accessible (this);
if (accessible == null)
accessible = 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();
// return Color.win32_new (display, getBackgroundPixel ());
String bg = handle.style.backgroundColor;
if (bg == null || ("" + bg).length() == 0) {
return new Color(display, "menu");
}
return new Color(display, bg);
}
/*
int getBackgroundPixel () {
if (background == -1) return defaultBackground ();
return background;
}
*/
/**
* 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 borderHandle = borderHandle ();
int bits1 = OS.GetWindowLong (borderHandle, OS.GWL_EXSTYLE);
if ((bits1 & OS.WS_EX_CLIENTEDGE) != 0) return OS.GetSystemMetrics (OS.SM_CXEDGE);
if ((bits1 & OS.WS_EX_STATICEDGE) != 0) return OS.GetSystemMetrics (OS.SM_CXBORDER);
int bits2 = OS.GetWindowLong (borderHandle, OS.GWL_STYLE);
if ((bits2 & OS.WS_BORDER) != 0) return OS.GetSystemMetrics (OS.SM_CXBORDER);
*/
if ((style & SWT.BORDER) != 0) {
return 1;
}
return 0;
}
/**
* 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();
forceResize();
/*
RECT rect = new RECT ();
OS.GetWindowRect (topHandle (), rect);
int hwndParent = parent == null ? 0 : parent.handle;
OS.MapWindowPoints (0, hwndParent, rect, 2);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
return new Rectangle (rect.left, rect.top, width, height);
*/
return new Rectangle(left, top, width, height);
}
/*
int getCodePage () {
if (OS.IsUnicode) return OS.CP_ACP;
int hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
LOGFONT logFont = OS.IsUnicode ? (LOGFONT) new LOGFONTW () : new LOGFONTA ();
OS.GetObject (hFont, LOGFONT.sizeof, logFont);
int cs = logFont.lfCharSet & 0xFF;
int [] lpCs = new int [8];
if (OS.TranslateCharsetInfo (cs, lpCs, OS.TCI_SRCCHARSET)) {
return lpCs [1];
}
return OS.GetACP ();
}
String getClipboardText () {
String string = "";
if (OS.OpenClipboard (0)) {
int hMem = OS.GetClipboardData (OS.IsUnicode ? OS.CF_UNICODETEXT : OS.CF_TEXT);
if (hMem != 0) {
/* Ensure byteCount is a multiple of 2 bytes on UNICODE platforms *-/
int byteCount = OS.GlobalSize (hMem) / TCHAR.sizeof * TCHAR.sizeof;
int ptr = OS.GlobalLock (hMem);
if (ptr != 0) {
/* Use the character encoding for the default locale *-/
TCHAR buffer = new TCHAR (0, byteCount / TCHAR.sizeof);
OS.MoveMemory (buffer, ptr, byteCount);
string = buffer.toString (0, buffer.strlen ());
OS.GlobalUnlock (hMem);
}
}
OS.CloseClipboard ();
}
return string;
}
*/
/**
* 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 OS.IsWindowEnabled (handle);
return !handle.disabled;
}
/**
* 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 hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
if (hFont == 0) hFont = defaultFont ();
return Font.win32_new (display, hFont);
*/
String ff = handle.style.fontFamily;
if (ff == null || ("" + ff).length() == 0) {
ff = null;//"Tahoma, Arial, sans-serif";
}
String fs = handle.style.fontSize;
if (fs == null || ("" + fs).length() == 0) {
fs = "8";
}
return new Font(display, ff, Integer.parseInt(fs), SWT.NONE);
}
/**
* 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();
// return Color.win32_new (display, getForegroundPixel ());
String fg = handle.style.color;
if (fg == null || ("" + fg).length() == 0) {
return new Color(display, "black");
}
return new Color(display, handle.style.color);
}
/*
int getForegroundPixel () {
if (foreground == -1) return defaultForeground ();
return foreground;
}
*/
/**
* 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();
forceResize();
/*
RECT rect = new RECT ();
OS.GetWindowRect (topHandle (), rect);
int hwndParent = parent == null ? 0 : parent.handle;
OS.MapWindowPoints (0, hwndParent, rect, 2);
return new Point (rect.left, rect.top);
*/
return new Point(left, top);
}
/**
* 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();
return display.getPrimaryMonitor();
/*
if (OS.IsWinCE || OS.WIN32_VERSION < OS.VERSION (4, 10)) {
return display.getPrimaryMonitor ();
}
int hmonitor = OS.MonitorFromWindow (handle, OS.MONITOR_DEFAULTTONEAREST);
MONITORINFO lpmi = new MONITORINFO ();
lpmi.cbSize = MONITORINFO.sizeof;
OS.GetMonitorInfo (hmonitor, lpmi);
Monitor monitor = new Monitor ();
monitor.handle = hmonitor;
monitor.x = lpmi.rcMonitor_left;
monitor.y = lpmi.rcMonitor_top;
monitor.width = lpmi.rcMonitor_right - lpmi.rcMonitor_left;
monitor.height = lpmi.rcMonitor_bottom - lpmi.rcMonitor_top;
monitor.clientX = lpmi.rcWork_left;
monitor.clientY = lpmi.rcWork_top;
monitor.clientWidth = lpmi.rcWork_right - lpmi.rcWork_left;
monitor.clientHeight = lpmi.rcWork_bottom - lpmi.rcWork_top;
return monitor;
*/
}
/**
* 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 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 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();
forceResize();
/*
RECT rect = new RECT ();
OS.GetWindowRect (topHandle (), rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
*/
return new Point(width, height);
}
/**
* 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 <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();
if (drawCount != 0)
return (state & HIDDEN) == 0;
// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// return (bits & OS.WS_VISIBLE) != 0;
if (handle == null) {
return false;
}
return handle.style.visibility != "hidden";
}
boolean hasCursor() {
/*
RECT rect = new RECT ();
if (!OS.GetClientRect (handle, rect)) return false;
OS.MapWindowPoints (handle, 0, rect, 2);
POINT pt = new POINT ();
return OS.GetCursorPos (pt) && OS.PtInRect (rect, pt);
*/
return false;
}
boolean hasFocus() {
/*
* If a non-SWT child of the control has focus,
* then this control is considered to have focus
* even though it does not have focus in Windows.
*/
/*
int hwndFocus = OS.GetFocus ();
while (hwndFocus != 0) {
if (hwndFocus == handle) return true;
if (display.getControl (hwndFocus) != null) {
return false;
}
hwndFocus = OS.GetParent (hwndFocus);
}
*/
return false;
}
/*
/-**
* 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 hwnd = handle;
if (data != null && data.hwnd != 0) hwnd = data.hwnd;
if (data != null) data.hwnd = hwnd;
int hDC = 0;
if (data == null || data.ps == null) {
hDC = OS.GetDC (hwnd);
} else {
hDC = OS.BeginPaint (hwnd, data.ps);
}
if (hDC == 0) SWT.error(SWT.ERROR_NO_HANDLES);
if (data != null) {
if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (4, 10)) {
int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT;
if ((data.style & mask) != 0) {
data.layout = (data.style & SWT.RIGHT_TO_LEFT) != 0 ? OS.LAYOUT_RTL : 0;
} else {
int flags = OS.GetLayout (hDC);
if ((flags & OS.LAYOUT_RTL) != 0) {
data.style |= SWT.RIGHT_TO_LEFT | SWT.MIRRORED;
} else {
data.style |= SWT.LEFT_TO_RIGHT;
}
}
} else {
data.style |= SWT.LEFT_TO_RIGHT;
}
data.device = display;
data.foreground = getForegroundPixel ();
data.background = getBackgroundPixel ();
data.hFont = OS.SendMessage (hwnd, OS.WM_GETFONT, 0, 0);
}
return hDC;
}
/-**
* 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 hDC, GCData data) {
checkWidget ();
int hwnd = handle;
if (data != null && data.hwnd != 0) {
hwnd = data.hwnd;
}
if (data == null || data.ps == null) {
OS.ReleaseDC (hwnd, hDC);
} else {
OS.EndPaint (hwnd, data.ps);
}
}
*/
boolean j2sIsActive() {
Shell dialogShell = display.getModalDialogShell();
if (dialogShell != null && dialogShell != getShell()) {
return false;
}
Shell shell = null;
Shell[] modalShells = display.modalShells;
if (modalShells != null) {
int bits = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
int index = modalShells.length;
while (--index >= 0) {
Shell modal = modalShells[index];
if (modal != null) {
if ((modal.style & bits) != 0) {
Control control = this ;
while (control != null) {
if (control == modal)
break;
control = control.parent;
}
if (control != modal)
return false;
break;
}
if ((modal.style & SWT.PRIMARY_MODAL) != 0) {
if (shell == null)
shell = getShell();
if (modal.parent == shell)
return false;
}
}
}
}
if (shell == null)
shell = getShell();
return shell.getEnabled();
}
/**
* 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();
}
/**
* 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();
Control focusControl = display.focusControl;
if (focusControl != null && !focusControl.isDisposed()) {
return this == focusControl;
}
return hasFocus();
}
boolean isFocusAncestor(Control control) {
while (control != null && control != this ) {
control = control.parent;
}
return control == this ;
}
/**
* 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 true;
}
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 bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// return (bits & OS.WS_TABSTOP) != 0;
return true;
}
boolean isTabItem() {
Control[] tabList = parent._getTabList();
if (tabList != null) {
for (int i = 0; i < tabList.length; i++) {
if (tabList[i] == this )
return false;
}
}
// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// if ((bits & OS.WS_TABSTOP) != 0) return false;
// int code = OS.SendMessage (handle, OS.WM_GETDLGCODE, 0, 0);
// if ((code & OS.DLGC_STATIC) != 0) return false;
// if ((code & OS.DLGC_WANTALLKEYS) != 0) return false;
// if ((code & OS.DLGC_WANTARROWS) != 0) return false;
// if ((code & OS.DLGC_WANTTAB) != 0) return false;
// return true;
return false;
}
/**
* 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();
// if (OS.IsWindowVisible (handle)) return true;
return getVisible() && parent.isVisible();
}
void mapEvent(Element hwnd, Event event) {
if (hwnd != handle) {
/*
POINT point = new POINT ();
point.x = event.x;
point.y = event.y;
OS.MapWindowPoints (hwnd, handle, point, 1);
event.x = point.x;
event.y = point.y;
*/
}
}
void markLayout(boolean changed, boolean all) {
/* Do nothing */
}
Decorations menuShell() {
return parent.menuShell();
}
boolean mnemonicHit(char key) {
return false;
}
boolean mnemonicMatch(char key) {
return false;
}
/**
* 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();
// Element topHandle = topHandle (), hwndAbove = OS.HWND_TOP;
if (control != null) {
if (control.isDisposed())
error(SWT.ERROR_INVALID_ARGUMENT);
if (parent != control.parent)
return;
// TODO
if (parent != null) {
Element parentHandle = parent.containerHandle();
if (parentHandle != null) {
parentHandle.removeChild(handle);
parentHandle.insertBefore(handle, control.handle);
}
}
// parent.handle.removeChild(handle);
// parent.handle.insertBefore(handle, control.handle);
/*
Element hwnd = control.topHandle ();
if (hwnd == null || hwnd == topHandle) return;
hwndAbove = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
/*
* Bug in Windows. For some reason, when GetWindow ()
* with GW_HWNDPREV is used to query the previous window
* in the z-order with the first child, Windows returns
* the first child instead of NULL. The fix is to detect
* this case and move the control to the top.
*-/
if (hwndAbove == null || hwndAbove == hwnd) {
hwndAbove = OS.HWND_TOP;
}
*/
}
// int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
// SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
}
/**
* 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();
// Element topHandle = topHandle (), hwndAbove = OS.HWND_BOTTOM;
if (control != null) {
if (control.isDisposed())
error(SWT.ERROR_INVALID_ARGUMENT);
if (parent != control.parent)
return;
//hwndAbove = control.topHandle ();
// TODO
parent.handle.removeChild(handle);
if (control.handle.nextSibling != null) {
parent.handle.insertBefore(handle,
control.handle.nextSibling);
} else {
parent.handle.appendChild(handle);
}
}
/*
if (hwndAbove == 0 || hwndAbove == topHandle) return;
int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
*/
}
/*
Accessible new_Accessible (Control control) {
return Accessible.internal_new_Accessible (this);
}
GC new_GC (GCData data) {
return GC.win32_new (this, data);
}
*/
/**
* 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();
Point computeSize = computeSize(SWT.DEFAULT, SWT.DEFAULT,
changed);
setSize(computeSize);
}
/**
* 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();
/*
if (!OS.IsWindowVisible (handle)) return;
if (OS.IsWinCE) {
OS.InvalidateRect (handle, null, true);
} else {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
OS.RedrawWindow (handle, null, 0, flags);
}
*/
}
/**
* 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 all) {
checkWidget();
if (width <= 0 || height <= 0)
return;
/*
if (!OS.IsWindowVisible (handle)) return;
RECT rect = new RECT ();
OS.SetRect (rect, x, y, x + width, y + height);
if (OS.IsWinCE) {
OS.InvalidateRect (handle, rect, true);
} else {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
if (all) flags |= OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, rect, 0, flags);
}
*/
}
void register() {
display.addControl(handle, this );
if (parent != null) {
parent.children[parent.children.length] = this ;
}
}
protected void releaseChild() {
parent.removeControl(this );
}
protected void releaseHandle() {
if (hOperaMouseUp != null || hControlMenuDetect != null) {
/* FIXME */
Element el = null;
if (this instanceof Composite) {
el = ((Composite) this ).containerHandle();
} else {
el = handle;
}
if (hOperaMouseUp != null) {
Clazz.removeEvent(el, "mouseup", hOperaMouseUp);
hOperaMouseUp = null;
}
if (hControlMenuDetect != null) {
Clazz
.removeEvent(el, "contextmenu",
hControlMenuDetect);
hControlMenuDetect = null;
}
}
super .releaseHandle();
}
void releaseWidget() {
super .releaseWidget();
// if (OS.IsDBLocale) {
// OS.ImmAssociateContext (handle, 0);
// }
if (toolTipText != null) {
Shell shell = getShell();
shell.setToolTipText(handle, null);
}
toolTipText = null;
if (menu != null && !menu.isDisposed()) {
menu.dispose();
}
menu = null;
cursor = null;
deregister();
// unsubclass ();
parent = null;
layoutData = null;
// if (accessible != null) {
// accessible.internal_dispose_Accessible ();
// }
accessible = null;
}
/**
* 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);
}
void showWidget(boolean visible) {
// OS.ShowWindow (handle, visible ? OS.SW_SHOW : OS.SW_HIDE);
handle.style.visibility = visible ? "visible" : "hidden";
}
boolean sendFocusEvent(int type) {
Shell shell = getShell();
/*
* Feature in Windows. During the processing of WM_KILLFOCUS,
* when the focus window is queried using GetFocus(), it has
* already been assigned to the new window. The fix is to
* remember the control that is losing or gaining focus and
* answer it during WM_KILLFOCUS. If a WM_SETFOCUS occurs
* during WM_KILLFOCUS, the focus control needs to be updated
* to the current control. At any other time, the focus
* control matches Windows.
*/
Display display = this .display;
display.focusEvent = type;
display.focusControl = this ;
sendEvent(type);
// widget could be disposed at this point
display.focusEvent = SWT.None;
display.focusControl = null;
/*
* 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()) {
switch (type) {
case SWT.FocusIn:
shell.setActiveControl(this );
break;
case SWT.FocusOut:
if (shell != display.getActiveShell()) {
shell.setActiveControl(null);
}
break;
}
}
return true;
}
/**
* Sets the receiver's background color to the color specified
* by the argument, or to the default system color for the control
* if the argument is null.
*
* @param color the new color (or null)
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setBackground(Color color) {
checkWidget();
if (color != null) {
handle.style.backgroundColor = color.getCSSHandle();
} else {
handle.style.backgroundColor = "";
}
}
/*
public void setBackground (Color color) {
checkWidget ();
int pixel = -1;
if (color != null) {
if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
pixel = color.handle;
}
setBackgroundPixel (pixel);
}
void setBackgroundPixel (int pixel) {
if (background == pixel) return;
background = pixel;
if (OS.IsWinCE) {
OS.InvalidateRect (handle, null, true);
} else {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
OS.RedrawWindow (handle, null, 0, flags);
}
}
*/
/**
* 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();
// int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
int flags = SWT.NONE; // TODO
setBounds(x, y, Math.max(0, width), Math.max(0, height), flags);
}
void setBounds(int x, int y, int width, int height, int flags) {
setBounds(x, y, width, height, flags, true);
}
void setBounds(int x, int y, int width, int height, int flags,
boolean defer) {
boolean resized = this .width != width || this .height != height;
boolean moved = this .left != x || this .top != y;
/**
* A patch to send bounds to support mirroring features like what Windows have.
*/
if (!locationSet) {
locationSet = moved;
}
int tempX = x;
if (parent != null) {
if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) {
x = Math.max(0, parent.getClientArea().width - x
- width);
}
}
Element topHandle = topHandle();
if (defer && parent != null) {
forceResize();
WINDOWPOS[] lpwp = parent.lpwp;
if (lpwp == null) {
/*
* This code is intentionally commented. All widgets that
* are created by SWT have WS_CLIPSIBLINGS to ensure that
* application code does not draw outside of the control.
*/
// int count = parent.getChildrenCount ();
// if (count > 1) {
// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// if ((bits & OS.WS_CLIPSIBLINGS) == 0) flags |= OS.SWP_NOCOPYBITS;
// }
if ((width != this .width || height != this .height)
&& this instanceof Composite) {
display.sendMessage(new MESSAGE(this ,
MESSAGE.CONTROL_LAYOUT, null));
}
this .left = x;
this .top = y;
this .width = width;
this .height = height;
SetWindowPos(topHandle, null, x, y, width, height,
flags);
} else {
int index = 0;
while (index < lpwp.length) {
if (lpwp[index] == null)
break;
index++;
}
if (index == lpwp.length) {
WINDOWPOS[] newLpwp = new WINDOWPOS[lpwp.length + 4];
System.arraycopy(lpwp, 0, newLpwp, 0, lpwp.length);
parent.lpwp = lpwp = newLpwp;
}
WINDOWPOS wp = new WINDOWPOS();
wp.hwnd = topHandle;
wp.x = x;
wp.y = y;
wp.cx = width;
wp.cy = height;
wp.flags = flags;
lpwp[index] = wp;
}
} else {
if ((width != this .width || height != this .height)
&& this instanceof Composite) {
display.sendMessage(new MESSAGE(this ,
MESSAGE.CONTROL_LAYOUT, null));
}
this .left = x;
this .top = y;
this .width = width;
this .height = height;
SetWindowPos(topHandle, null, x, y, width, height, flags);
}
/*
* The x coordination should be preserved, because the right to left emulation is just
* for the view, not the data!
*/
this .left = tempX;
if (resized && hooks(SWT.Resize))
sendEvent(SWT.Resize);
if (moved && hooks(SWT.Move))
sendEvent(SWT.Move);
}
/**
* 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) {
checkWidget();
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();
/*
if (capture) {
OS.SetCapture (handle);
} else {
if (OS.GetCapture () == handle) {
OS.ReleaseCapture ();
}
}
*/
}
void setCursor() {
// int lParam = OS.HTCLIENT | (OS.WM_MOUSEMOVE << 16);
// OS.SendMessage (handle, OS.WM_SETCURSOR, handle, lParam);
// TODO: What about the cursor?
}
/**
* 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();
if (cursor != null && cursor.isDisposed())
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this .cursor = cursor;
handle.style.cursor = (cursor == null) ? "" : cursor
.getCSSHandle();
/*
if (OS.IsWinCE) {
int hCursor = cursor != null ? cursor.handle : 0;
OS.SetCursor (hCursor);
return;
}
int hwndCursor = OS.GetCapture ();
if (hwndCursor == 0) {
POINT pt = new POINT ();
if (!OS.GetCursorPos (pt)) return;
int hwnd = hwndCursor = OS.WindowFromPoint (pt);
while (hwnd != 0 && hwnd != handle) {
hwnd = OS.GetParent (hwnd);
}
if (hwnd == 0) return;
}
Control control = display.getControl (hwndCursor);
if (control == null) control = this;
control.setCursor ();
*/
}
void setDefaultFont() {
// int hFont = display.systemFont ();
// OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0);
//TODO
}
/**
* 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();
/*
* Feature in Windows. If the receiver has focus, disabling
* the receiver causes no window to have focus. The fix is
* to assign focus to the first ancestor window that takes
* focus. If no window will take focus, set focus to the
* desktop.
*/
Control control = null;
boolean fixFocus = false;
if (!enabled) {
if (display.focusEvent != SWT.FocusOut) {
control = display.getFocusControl();
fixFocus = isFocusAncestor(control);
}
}
enableWidget(enabled);
if (fixFocus)
fixFocus(control);
}
boolean setFixedFocus() {
if ((style & SWT.NO_FOCUS) != 0)
return false;
return forceFocus();
}
/**
* 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();
}
Element fontHandle() {
return handle;
}
/**
* 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();
/*
int hFont = 0;
if (font != null) {
if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
hFont = font.handle;
}
if (hFont == 0) hFont = defaultFont ();
OS.SendMessage (handle, OS.WM_SETFONT, hFont, 1);
*/
Element handle = fontHandle();
if (font == null || font.data == null) {
handle.style.fontFamily = "";
handle.style.fontSize = "";
handle.style.fontWeight = "";
handle.style.fontStyle = "";
handle.style.textDecoration = "";
return;
}
if (font.data.name != null) {
handle.style.fontFamily = font.data.name;
}
handle.style.fontSize = font.data.height + "pt";
if ((font.data.style & SWT.BOLD) != 0) {
handle.style.fontWeight = "bold";
} else {
handle.style.fontWeight = "normal";
}
if ((font.data.style & SWT.ITALIC) != 0) {
handle.style.fontStyle = "italic";
} else {
handle.style.fontStyle = "normal";
}
String td = "";
if (font.data.isStrikeout) {
td = "line-through";
}
if (font.data.isUnderline) {
if (td.length() > 0) {
td += " underline";
} else {
td = "underline";
}
}
handle.style.textDecoration = td;
//handle.style.fontVariant = font.data.style;
//TODO:
}
/**
* 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();
if (color != null) {
handle.style.color = color.getCSSHandle();
} else {
handle.style.color = "";
}
}
/*
public void setForeground (Color color) {
checkWidget ();
int pixel = -1;
if (color != null) {
if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
pixel = color.handle;
}
setForegroundPixel (pixel);
}
void setForegroundPixel (int pixel) {
if (foreground == pixel) return;
foreground = pixel;
OS.InvalidateRect (handle, null, true);
}
*/
/**
* 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();
int flags = SWT.NONE;
// int flags = OS.SWP_NOSIZE | OS.SWP_NOZORDER | OS.SWP_NOACTIVATE;
/*
* Feature in WinCE. The SWP_DRAWFRAME flag for SetWindowPos()
* causes a WM_SIZE message to be sent even when the SWP_NOSIZE
* flag is specified. The fix is to set SWP_DRAWFRAME only when
* not running on WinCE.
*/
// if (!OS.IsWinCE) flags |= OS.SWP_DRAWFRAME;
setBounds(x, y, this .width, this .height, flags);
// computeSize(SWT.DEFAULT, SWT.DEFAULT);
}
/**
* 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.
*
* @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();
if (menu != null) {
if (menu.isDisposed())
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
if ((menu.style & SWT.POP_UP) == 0) {
error(SWT.ERROR_MENU_NOT_POP_UP);
}
if (menu.parent != menuShell()) {
error(SWT.ERROR_INVALID_PARENT);
}
}
this .menu = menu;
Element el = null;
if (this instanceof Composite) {
el = ((Composite) this ).containerHandle();
} else {
el = handle;
}
if (OS.isOpera) {
if (hOperaMouseUp == null) {
hOperaMouseUp = new RunnableCompatibility() {
public void run() {
Object evt = getEvent();
if (evt != null && ((HTMLEvent) evt).ctrlKey) {
HTMLEventWrapper evtHTML = new HTMLEventWrapper(
evt);
if (!evtHTML.leftButtonHold) {
Menu menu = getMenu();
if (menu != null && !menu.isDisposed()) {
menu.handle.style.left = "-10000px";
menu.handle.style.top = "-10000px";
menu.handle.style.display = "block";
Rectangle bounds = menu.getBounds();
Rectangle clientArea = getMonitor()
.getClientArea();
clientArea.x += OS
.getFixedBodyOffsetLeft();
clientArea.y += OS
.getFixedBodyOffsetTop();
Rectangle rect = Popup.popupMenu(
clientArea, new Rectangle(
evtHTML.x,
evtHTML.y, 0, 0),
bounds.width,
bounds.height, 0);
menu.handle.style.width = rect.width
+ "px";
menu.setLocation(rect.x, rect.y);
showMenu(rect.x, rect.y);
}
evtHTML.preventDefault();
evtHTML.stopPropagation();
toReturn(false);
}
}
}
};
Clazz.addEvent(el, "mouseup", hOperaMouseUp);
}
}
if (hControlMenuDetect == null) {
hControlMenuDetect = new RunnableCompatibility() {
public void run() {
Object evt = getEvent();
if (evt != null) {
HTMLEventWrapper evtHTML = new HTMLEventWrapper(
evt);
Menu menu = getMenu();
if (menu != null && !menu.isDisposed()) {
menu.handle.style.left = "-10000px";
menu.handle.style.top = "-10000px";
menu.handle.style.display = "block";
Rectangle bounds = menu.getBounds();
Rectangle clientArea = getMonitor()
.getClientArea();
clientArea.x += OS.getFixedBodyOffsetLeft();
clientArea.y += OS.getFixedBodyOffsetTop();
Rectangle rect = Popup.popupMenu(
clientArea,
new Rectangle(evtHTML.x, evtHTML.y,
0, 0), bounds.width,
bounds.height, 0);
menu.handle.style.width = rect.width + "px";
menu.setLocation(rect.x, rect.y);
showMenu(rect.x, rect.y);
}
evtHTML.preventDefault();
evtHTML.stopPropagation();
}
toReturn(false);
}
};
Clazz.addEvent(el, "contextmenu", hControlMenuDetect);
}
}
boolean setRadioFocus() {
return false;
}
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();
/*
* Feature in Windows. When WM_SETREDRAW is used to turn
* off drawing in a widget, it clears the WS_VISIBLE bits
* and then sets them when redraw is turned back on. This
* means that WM_SETREDRAW will make a widget unexpectedly
* visible. The fix is to track the visibility state while
* drawing is turned off and restore it when drawing is
* turned back on.
*/
/*
if (drawCount == 0) {
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
if ((bits & OS.WS_VISIBLE) == 0) state |= HIDDEN;
}
if (redraw) {
if (--drawCount == 0) {
OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);
if ((state & HIDDEN) != 0) {
state &= ~HIDDEN;
OS.ShowWindow (handle, OS.SW_HIDE);
} else {
if (OS.IsWinCE) {
OS.InvalidateRect (handle, null, true);
} else {
int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, null, 0, flags);
}
}
}
} else {
if (drawCount++ == 0) {
OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);
}
}
*/
}
boolean setSavedFocus() {
return forceFocus();
}
/**
* 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();
// int flags = OS.SWP_NOMOVE | OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
int flags = SWT.NONE;
setBounds(left, top, Math.max(0, width), Math.max(0, height),
flags);
}
/**
* 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();
}
/**
* 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();
Shell shell = getShell();
shell.setToolTipText(handle, toolTipText = string);
}
/**
* 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();
if (drawCount != 0) {
if (((state & HIDDEN) == 0) == visible)
return;
} else {
// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
// if (((bits & OS.WS_VISIBLE) != 0) == visible) return;
if ((handle.style.visibility != "hidden") == visible)
return;
}
if (visible) {
sendEvent(SWT.Show);
if (isDisposed())
return;
if (this instanceof Composite) {
display.sendMessage(new MESSAGE(this ,
MESSAGE.CONTROL_LAYOUT, null));
}
}
handle.style.visibility = visible ? "" : "hidden";
handle.style.display = visible ? "" : "none";
/*
* Feature in Windows. If the receiver has focus, hiding
* the receiver causes no window to have focus. The fix is
* to assign focus to the first ancestor window that takes
* focus. If no window will take focus, set focus to the
* desktop.
*/
Control control = null;
boolean fixFocus = false;
if (!visible) {
if (display.focusEvent != SWT.FocusOut) {
control = display.getFocusControl();
fixFocus = isFocusAncestor(control);
}
}
if (drawCount != 0) {
state = visible ? state & ~HIDDEN : state | HIDDEN;
} else {
showWidget(visible);
if (isDisposed())
return;
}
if (!visible) {
sendEvent(SWT.Hide);
if (isDisposed())
return;
}
if (fixFocus)
fixFocus(control);
}
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;
}
}
}
}
}
/*
void subclass () {
int oldProc = windowProc ();
int newProc = display.windowProc;
if (oldProc == newProc) return;
OS.SetWindowLong (handle, OS.GWL_WNDPROC, newProc);
}
*/
/**
* 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();
/*
POINT pt = new POINT ();
pt.x = x; pt.y = y;
OS.ScreenToClient (handle, pt);
return new Point (pt.x, pt.y);
*/
// TODO
return new Point(x, y);
}
/**
* 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();
/*
POINT pt = new POINT ();
pt.x = x; pt.y = y;
OS.ClientToScreen (handle, pt);
return new Point (pt.x, pt.y);
*/
Point pt = OS.calcuateRelativePosition(handle, document.body);
return new Point(pt.x + x, pt.y + 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 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);
}
Element topHandle() {
return handle;
}
/*
boolean translateAccelerator (MSG msg) {
return menuShell ().translateAccelerator (msg);
}
boolean translateMnemonic (Event event, Control control) {
if (control == this) return false;
if (!isVisible () || !isEnabled ()) return false;
event.doit = mnemonicMatch (event.character);
return traverse (event);
}
boolean translateMnemonic (MSG msg) {
if (msg.wParam < 0x20) return false;
int hwnd = msg.hwnd;
if (OS.GetKeyState (OS.VK_MENU) >= 0) {
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) return false;
if ((code & OS.DLGC_BUTTON) == 0) return false;
}
Decorations shell = menuShell ();
if (shell.isVisible () && shell.isEnabled ()) {
display.lastAscii = msg.wParam;
display.lastNull = display.lastDead = false;
Event event = new Event ();
event.detail = SWT.TRAVERSE_MNEMONIC;
if (setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) {
return translateMnemonic (event, null) || shell.translateMnemonic (event, this);
}
}
return false;
}
boolean translateTraversal (MSG msg) {
int key = msg.wParam;
if (key == OS.VK_MENU) {
Shell shell = getShell ();
int hwndShell = shell.handle;
OS.SendMessage (hwndShell, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
return false;
}
int hwnd = msg.hwnd;
int detail = SWT.TRAVERSE_NONE;
boolean doit = true, all = false;
boolean lastVirtual = false;
int lastKey = key, lastAscii = 0;
switch (key) {
case OS.VK_ESCAPE: {
all = true;
lastAscii = 27;
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control
* is a text widget. A text widget normally wants
* all keys except VK_ESCAPE. If this bit is not
* set, then assume the control wants all keys,
* including VK_ESCAPE.
*-/
if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
}
detail = SWT.TRAVERSE_ESCAPE;
break;
}
case OS.VK_RETURN: {
all = true;
lastAscii = '\r';
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) doit = false;
detail = SWT.TRAVERSE_RETURN;
break;
}
case OS.VK_TAB: {
lastAscii = '\t';
boolean next = OS.GetKeyState (OS.VK_SHIFT) >= 0;
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & (OS.DLGC_WANTTAB | OS.DLGC_WANTALLKEYS)) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control is a
* text widget. If the control is a text widget, then
* Ctrl+Tab and Shift+Tab should traverse out of the widget.
* If the control is not a text widget, the correct behavior
* is to give every character, including Tab, Ctrl+Tab and
* Shift+Tab to the control.
*-/
if ((code & OS.DLGC_HASSETSEL) != 0) {
if (next && OS.GetKeyState (OS.VK_CONTROL) >= 0) {
doit = false;
}
} else {
doit = false;
}
}
if (parent != null && (parent.style & SWT.MIRRORED) != 0) {
if (key == OS.VK_LEFT || key == OS.VK_RIGHT) next = !next;
}
detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS;
break;
}
case OS.VK_UP:
case OS.VK_LEFT:
case OS.VK_DOWN:
case OS.VK_RIGHT: {
/*
* On WinCE SP there is no tab key. Focus is assigned
* using the VK_UP and VK_DOWN keys, not with VK_LEFT
* or VK_RIGHT.
*-/
if (OS.IsSP) {
if (key == OS.VK_LEFT || key == OS.VK_RIGHT) return false;
}
lastVirtual = true;
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & (OS.DLGC_WANTARROWS /*| OS.DLGC_WANTALLKEYS*-/)) != 0) doit = false;
boolean next = key == OS.VK_DOWN || key == OS.VK_RIGHT;
detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS;
break;
}
case OS.VK_PRIOR:
case OS.VK_NEXT: {
all = true;
lastVirtual = true;
if (OS.GetKeyState (OS.VK_CONTROL) >= 0) return false;
int code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
if ((code & OS.DLGC_WANTALLKEYS) != 0) {
/*
* Use DLGC_HASSETSEL to determine that the control is a
* text widget. If the control is a text widget, then
* Ctrl+PgUp and Ctrl+PgDn should traverse out of the widget.
*-/
if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
}
detail = key == OS.VK_PRIOR ? SWT.TRAVERSE_PAGE_PREVIOUS : SWT.TRAVERSE_PAGE_NEXT;
break;
}
default:
return false;
}
Event event = new Event ();
event.doit = doit;
event.detail = detail;
display.lastKey = lastKey;
display.lastAscii = lastAscii;
display.lastVirtual = lastVirtual;
display.lastNull = display.lastDead = false;
if (!setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) return false;
Shell shell = getShell ();
Control control = this;
do {
if (control.traverse (event)) {
int hwndShell = shell.handle;
OS.SendMessage (hwndShell, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
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;
}
*/
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 traverseMnemonic(char key) {
return mnemonicHit(key);
}
boolean traversePage(boolean next) {
return false;
}
boolean traverseReturn() {
return false;
}
/*
void unsubclass () {
int newProc = windowProc ();
int oldProc = display.windowProc;
if (oldProc == newProc) return;
OS.SetWindowLong (handle, OS.GWL_WNDPROC, newProc);
}
*/
/**
* 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();
update(false);
}
void update(boolean all) {
// checkWidget ();
/*
if (OS.IsWinCE) {
OS.UpdateWindow (handle);
} else {
int flags = OS.RDW_UPDATENOW;
if (all) flags |= OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, null, 0, flags);
}
*/
}
boolean updateFont(Font oldFont, Font newFont) {
boolean sameFont = getFont().equals(oldFont);
/*
* If the font that the control is using is the
* same one that was being used from the Control
* Panel, then use the new Control Panel font.
*/
if (sameFont)
setFont(newFont);
return sameFont;
}
void updateLayout(boolean resize, boolean all) {
/* Do nothing */
}
/*
CREATESTRUCT widgetCreateStruct () {
return null;
}
int widgetExtStyle () {
int bits = 0;
if (!OS.IsPPC) {
if ((style & SWT.BORDER) != 0) bits |= OS.WS_EX_CLIENTEDGE;
}
// if ((style & SWT.BORDER) != 0) {
// if ((style & SWT.FLAT) == 0) bits |= OS.WS_EX_CLIENTEDGE;
// }
/*
* Feature in Windows NT. When CreateWindowEx() is called with
* WS_EX_LAYOUTRTL or WS_EX_NOINHERITLAYOUT, CreateWindowEx()
* fails to create the HWND. The fix is to not use these bits.
*-/
if (OS.WIN32_VERSION < OS.VERSION (4, 10)) {
return bits;
}
bits |= OS.WS_EX_NOINHERITLAYOUT;
if ((style & SWT.RIGHT_TO_LEFT) != 0) bits |= OS.WS_EX_LAYOUTRTL;
return bits;
}
*/
Element widgetParent() {
if (parent == null) {
return null;
}
return parent.handle;
}
/*
int widgetStyle () {
/* Force clipping of siblings by setting WS_CLIPSIBLINGS *-/
int bits = OS.WS_CHILD | OS.WS_VISIBLE | OS.WS_CLIPSIBLINGS;
// if ((style & SWT.BORDER) != 0) {
// if ((style & SWT.FLAT) != 0) bits |= OS.WS_BORDER;
// }
if (OS.IsPPC) {
if ((style & SWT.BORDER) != 0) bits |= OS.WS_BORDER;
}
return bits;
/*
* This code is intentionally commented. When clipping
* of both siblings and children is not enforced, it is
* possible for application code to draw outside of the
* control.
*-/
// int bits = OS.WS_CHILD | OS.WS_VISIBLE;
// if ((style & SWT.CLIP_SIBLINGS) != 0) bits |= OS.WS_CLIPSIBLINGS;
// if ((style & SWT.CLIP_CHILDREN) != 0) bits |= OS.WS_CLIPCHILDREN;
// return bits;
}
*/
/**
* Changes the parent of the widget to be the one provided if
* the underlying operating system supports this feature.
* Answers <code>true</code> if the parent is successfully changed.
*
* @param parent the new parent for the control.
* @return <code>true</code> if the parent is changed and <code>false</code> otherwise.
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
* <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 == null)
error(SWT.ERROR_NULL_ARGUMENT);
if (parent.isDisposed())
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
if (this .parent == parent)
return true;
if (!isReparentable())
return false;
releaseChild();
Shell newShell = parent.getShell(), oldShell = getShell();
Decorations newDecorations = parent.menuShell(), oldDecorations = menuShell();
if (oldShell != newShell || oldDecorations != newDecorations) {
Menu[] menus = oldShell.findMenus(this );
fixChildren(newShell, oldShell, newDecorations,
oldDecorations, menus);
}
//TODO
Control[] children = parent.children;
children[children.length + 1] = this ;
Element topHandle = topHandle();
topHandle.parentNode.removeChild(handle);
parent.containerHandle().appendChild(handle);
// if (OS.SetParent (topHandle, parent.handle) == 0) return false;
// Element newHandle = this.handle.cloneNode(true);
// parent.handle.appendChild(this.handle.cloneNode(true));
// this.parent.handle.removeChild(this.handle);
Composite oldParent = this .parent;
this .parent = parent;
// this.handle = newHandle;
// parent.layout(true);
display.sendMessage(new MESSAGE(oldParent,
MESSAGE.CONTROL_LAYOUT, null));
display.sendMessage(new MESSAGE(parent, MESSAGE.CONTROL_LAYOUT,
null));
// int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
// SetWindowPos (topHandle, OS.HWND_BOTTOM, 0, 0, 0, 0, flags);
return true;
}
/*
abstract String windowClass ();
abstract int windowProc ();
int windowProc (int hwnd, int msg, int wParam, int lParam) {
LRESULT result = null;
switch (msg) {
case OS.WM_ACTIVATE: result = WM_ACTIVATE (wParam, lParam); break;
case OS.WM_CAPTURECHANGED: result = WM_CAPTURECHANGED (wParam, lParam); break;
case OS.WM_CHAR: result = WM_CHAR (wParam, lParam); break;
case OS.WM_CLEAR: result = WM_CLEAR (wParam, lParam); break;
case OS.WM_CLOSE: result = WM_CLOSE (wParam, lParam); break;
case OS.WM_COMMAND: result = WM_COMMAND (wParam, lParam); break;
case OS.WM_CONTEXTMENU: result = WM_CONTEXTMENU (wParam, lParam); break;
case OS.WM_CTLCOLORBTN:
case OS.WM_CTLCOLORDLG:
case OS.WM_CTLCOLOREDIT:
case OS.WM_CTLCOLORLISTBOX:
case OS.WM_CTLCOLORMSGBOX:
case OS.WM_CTLCOLORSCROLLBAR:
case OS.WM_CTLCOLORSTATIC: result = WM_CTLCOLOR (wParam, lParam); break;
case OS.WM_CUT: result = WM_CUT (wParam, lParam); break;
case OS.WM_DESTROY: result = WM_DESTROY (wParam, lParam); break;
case OS.WM_DRAWITEM: result = WM_DRAWITEM (wParam, lParam); break;
case OS.WM_ENDSESSION: result = WM_ENDSESSION (wParam, lParam); break;
case OS.WM_ENTERIDLE: result = WM_ENTERIDLE (wParam, lParam); break;
case OS.WM_ERASEBKGND: result = WM_ERASEBKGND (wParam, lParam); break;
case OS.WM_GETDLGCODE: result = WM_GETDLGCODE (wParam, lParam); break;
case OS.WM_GETFONT: result = WM_GETFONT (wParam, lParam); break;
case OS.WM_GETOBJECT: result = WM_GETOBJECT (wParam, lParam); break;
case OS.WM_GETMINMAXINFO: result = WM_GETMINMAXINFO (wParam, lParam); break;
case OS.WM_HELP: result = WM_HELP (wParam, lParam); break;
case OS.WM_HSCROLL: result = WM_HSCROLL (wParam, lParam); break;
case OS.WM_IME_CHAR: result = WM_IME_CHAR (wParam, lParam); break;
case OS.WM_IME_COMPOSITION: result = WM_IME_COMPOSITION (wParam, lParam); break;
case OS.WM_INITMENUPOPUP: result = WM_INITMENUPOPUP (wParam, lParam); break;
case OS.WM_INPUTLANGCHANGE: result = WM_INPUTLANGCHANGE (wParam, lParam); break;
case OS.WM_HOTKEY: result = WM_HOTKEY (wParam, lParam); break;
case OS.WM_KEYDOWN: result = WM_KEYDOWN (wParam, lParam); break;
case OS.WM_KEYUP: result = WM_KEYUP (wParam, lParam); break;
case OS.WM_KILLFOCUS: result = WM_KILLFOCUS (wParam, lParam); break;
case OS.WM_LBUTTONDBLCLK: result = WM_LBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_LBUTTONDOWN: result = WM_LBUTTONDOWN (wParam, lParam); break;
case OS.WM_LBUTTONUP: result = WM_LBUTTONUP (wParam, lParam); break;
case OS.WM_MBUTTONDBLCLK: result = WM_MBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_MBUTTONDOWN: result = WM_MBUTTONDOWN (wParam, lParam); break;
case OS.WM_MBUTTONUP: result = WM_MBUTTONUP (wParam, lParam); break;
case OS.WM_MEASUREITEM: result = WM_MEASUREITEM (wParam, lParam); break;
case OS.WM_MENUCHAR: result = WM_MENUCHAR (wParam, lParam); break;
case OS.WM_MENUSELECT: result = WM_MENUSELECT (wParam, lParam); break;
case OS.WM_MOUSEACTIVATE: result = WM_MOUSEACTIVATE (wParam, lParam); break;
case OS.WM_MOUSEHOVER: result = WM_MOUSEHOVER (wParam, lParam); break;
case OS.WM_MOUSELEAVE: result = WM_MOUSELEAVE (wParam, lParam); break;
case OS.WM_MOUSEMOVE: result = WM_MOUSEMOVE (wParam, lParam); break;
case OS.WM_MOUSEWHEEL: result = WM_MOUSEWHEEL (wParam, lParam); break;
case OS.WM_MOVE: result = WM_MOVE (wParam, lParam); break;
case OS.WM_NCACTIVATE: result = WM_NCACTIVATE (wParam, lParam); break;
case OS.WM_NCCALCSIZE: result = WM_NCCALCSIZE (wParam, lParam); break;
case OS.WM_NCHITTEST: result = WM_NCHITTEST (wParam, lParam); break;
case OS.WM_NCLBUTTONDOWN: result = WM_NCLBUTTONDOWN (wParam, lParam); break;
case OS.WM_NOTIFY: result = WM_NOTIFY (wParam, lParam); break;
case OS.WM_PAINT: result = WM_PAINT (wParam, lParam); break;
case OS.WM_PALETTECHANGED: result = WM_PALETTECHANGED (wParam, lParam); break;
case OS.WM_PARENTNOTIFY: result = WM_PARENTNOTIFY (wParam, lParam); break;
case OS.WM_PASTE: result = WM_PASTE (wParam, lParam); break;
case OS.WM_PRINTCLIENT: result = WM_PRINTCLIENT (wParam, lParam); break;
case OS.WM_QUERYENDSESSION: result = WM_QUERYENDSESSION (wParam, lParam); break;
case OS.WM_QUERYNEWPALETTE: result = WM_QUERYNEWPALETTE (wParam, lParam); break;
case OS.WM_QUERYOPEN: result = WM_QUERYOPEN (wParam, lParam); break;
case OS.WM_RBUTTONDBLCLK: result = WM_RBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_RBUTTONDOWN: result = WM_RBUTTONDOWN (wParam, lParam); break;
case OS.WM_RBUTTONUP: result = WM_RBUTTONUP (wParam, lParam); break;
case OS.WM_SETCURSOR: result = WM_SETCURSOR (wParam, lParam); break;
case OS.WM_SETFOCUS: result = WM_SETFOCUS (wParam, lParam); break;
case OS.WM_SETFONT: result = WM_SETFONT (wParam, lParam); break;
case OS.WM_SETTINGCHANGE: result = WM_SETTINGCHANGE (wParam, lParam); break;
case OS.WM_SETREDRAW: result = WM_SETREDRAW (wParam, lParam); break;
case OS.WM_SHOWWINDOW: result = WM_SHOWWINDOW (wParam, lParam); break;
case OS.WM_SIZE: result = WM_SIZE (wParam, lParam); break;
case OS.WM_SYSCHAR: result = WM_SYSCHAR (wParam, lParam); break;
case OS.WM_SYSCOLORCHANGE: result = WM_SYSCOLORCHANGE (wParam, lParam); break;
case OS.WM_SYSCOMMAND: result = WM_SYSCOMMAND (wParam, lParam); break;
case OS.WM_SYSKEYDOWN: result = WM_SYSKEYDOWN (wParam, lParam); break;
case OS.WM_SYSKEYUP: result = WM_SYSKEYUP (wParam, lParam); break;
case OS.WM_TIMER: result = WM_TIMER (wParam, lParam); break;
case OS.WM_UNDO: result = WM_UNDO (wParam, lParam); break;
case OS.WM_VSCROLL: result = WM_VSCROLL (wParam, lParam); break;
case OS.WM_WINDOWPOSCHANGED: result = WM_WINDOWPOSCHANGED (wParam, lParam); break;
case OS.WM_WINDOWPOSCHANGING: result = WM_WINDOWPOSCHANGING (wParam, lParam); break;
case OS.WM_XBUTTONDBLCLK: result = WM_XBUTTONDBLCLK (wParam, lParam); break;
case OS.WM_XBUTTONDOWN: result = WM_XBUTTONDOWN (wParam, lParam); break;
case OS.WM_XBUTTONUP: result = WM_XBUTTONUP (wParam, lParam); break;
}
if (result != null) return result.value;
return callWindowProc (hwnd, msg, wParam, lParam);
}
LRESULT WM_ACTIVATE (int wParam, int lParam) {
return null;
}
LRESULT WM_CAPTURECHANGED (int wParam, int lParam) {
return wmCaptureChanged (handle, wParam, lParam);
}
LRESULT WM_CHAR (int wParam, int lParam) {
return wmChar (handle, wParam, lParam);
}
LRESULT WM_CLEAR (int wParam, int lParam) {
return null;
}
LRESULT WM_CLOSE (int wParam, int lParam) {
return null;
}
LRESULT WM_COMMAND (int wParam, int lParam) {
/*
* When the WM_COMMAND message is sent from a
* menu, the HWND parameter in LPARAM is zero.
*-/
if (lParam == 0) {
Decorations shell = menuShell ();
if (shell.isEnabled ()) {
int id = wParam & 0xFFFF;
MenuItem item = display.getMenuItem (id);
if (item != null && item.isEnabled ()) {
return item.wmCommandChild (wParam, lParam);
}
}
return null;
}
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmCommandChild (wParam, lParam);
}
LRESULT WM_CONTEXTMENU (int wParam, int lParam) {
return wmContextMenu (handle, wParam, lParam);
}
LRESULT WM_CTLCOLOR (int wParam, int lParam) {
int hPalette = display.hPalette;
if (hPalette != 0) {
OS.SelectPalette (wParam, hPalette, false);
OS.RealizePalette (wParam);
}
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmColorChild (wParam, lParam);
}
LRESULT WM_CUT (int wParam, int lParam) {
return null;
}
LRESULT WM_DESTROY (int wParam, int lParam) {
return null;
}
LRESULT WM_DRAWITEM (int wParam, int lParam) {
DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
if (struct.CtlType == OS.ODT_MENU) {
MenuItem item = display.getMenuItem (struct.itemID);
if (item == null) return null;
return item.wmDrawChild (wParam, lParam);
}
Control control = display.getControl (struct.hwndItem);
if (control == null) return null;
return control.wmDrawChild (wParam, lParam);
}
LRESULT WM_ENDSESSION (int wParam, int lParam) {
return null;
}
LRESULT WM_ENTERIDLE (int wParam, int lParam) {
return null;
}
LRESULT WM_ERASEBKGND (int wParam, int lParam) {
return null;
}
LRESULT WM_GETDLGCODE (int wParam, int lParam) {
return null;
}
LRESULT WM_GETFONT (int wParam, int lParam) {
return null;
}
LRESULT WM_GETOBJECT (int wParam, int lParam) {
if (accessible != null) {
int result = accessible.internal_WM_GETOBJECT (wParam, lParam);
if (result != 0) return new LRESULT (result);
}
return null;
}
LRESULT WM_GETMINMAXINFO (int wParam, int lParam) {
return null;
}
LRESULT WM_HOTKEY (int wParam, int lParam) {
return null;
}
LRESULT WM_HELP (int wParam, int lParam) {
if (OS.IsWinCE) return null;
HELPINFO lphi = new HELPINFO ();
OS.MoveMemory (lphi, lParam, HELPINFO.sizeof);
Decorations shell = menuShell ();
if (!shell.isEnabled ()) return null;
if (lphi.iContextType == OS.HELPINFO_MENUITEM) {
MenuItem item = display.getMenuItem (lphi.iCtrlId);
if (item != null && item.isEnabled ()) {
Widget widget = null;
if (item.hooks (SWT.Help)) {
widget = item;
} else {
Menu menu = item.parent;
if (menu.hooks (SWT.Help)) widget = menu;
}
if (widget != null) {
int hwndShell = shell.handle;
OS.SendMessage (hwndShell, OS.WM_CANCELMODE, 0, 0);
widget.postEvent (SWT.Help);
return LRESULT.ONE;
}
}
return null;
}
if (hooks (SWT.Help)) {
postEvent (SWT.Help);
return LRESULT.ONE;
}
return null;
}
LRESULT WM_HSCROLL (int wParam, int lParam) {
if (lParam == 0) return null;
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmScrollChild (wParam, lParam);
}
LRESULT WM_IME_CHAR (int wParam, int lParam) {
return wmIMEChar (handle, wParam, lParam);
}
LRESULT WM_IME_COMPOSITION (int wParam, int lParam) {
return null;
}
LRESULT WM_INITMENUPOPUP (int wParam, int lParam) {
/* Ignore WM_INITMENUPOPUP for an accelerator *-/
if (display.accelKeyHit) return null;
/*
* If the high order word of LPARAM is non-zero,
* the menu is the system menu and we can ignore
* WPARAM. Otherwise, use WPARAM to find the menu.
*-/
Shell shell = getShell ();
Menu oldMenu = shell.activeMenu, newMenu = null;
if ((lParam >> 16) == 0) {
newMenu = menuShell ().findMenu (wParam);
if (newMenu != null) newMenu.update ();
}
Menu menu = newMenu;
while (menu != null && menu != oldMenu) {
menu = menu.getParentMenu ();
}
if (menu == null) {
menu = shell.activeMenu;
while (menu != null) {
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the hide
* event. If this happens, stop searching up the
* ancestor list because there is no longer a link
* to follow.
*-/
menu.sendEvent (SWT.Hide);
if (menu.isDisposed ()) break;
menu = menu.getParentMenu ();
Menu ancestor = newMenu;
while (ancestor != null && ancestor != menu) {
ancestor = ancestor.getParentMenu ();
}
if (ancestor != null) break;
}
}
/*
* The shell and the new menu may be disposed because of
* sending the hide event to the ancestor menus but setting
* a field to null in a disposed shell is not harmful.
*-/
if (newMenu != null && newMenu.isDisposed ()) newMenu = null;
shell.activeMenu = newMenu;
/* Send the show event *-/
if (newMenu != null && newMenu != oldMenu) {
newMenu.sendEvent (SWT.Show);
// widget could be disposed at this point
}
return null;
}
LRESULT WM_INPUTLANGCHANGE (int wParam, int lParam) {
return null;
}
LRESULT WM_KEYDOWN (int wParam, int lParam) {
return wmKeyDown (handle, wParam, lParam);
}
LRESULT WM_KEYUP (int wParam, int lParam) {
return wmKeyUp (handle, wParam, lParam);
}
LRESULT WM_KILLFOCUS (int wParam, int lParam) {
return wmKillFocus (handle, wParam, lParam);
}
LRESULT WM_LBUTTONDBLCLK (int wParam, int lParam) {
return wmLButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_LBUTTONDOWN (int wParam, int lParam) {
return wmLButtonDown (handle, wParam, lParam);
}
LRESULT WM_LBUTTONUP (int wParam, int lParam) {
return wmLButtonUp (handle, wParam, lParam);
}
LRESULT WM_MBUTTONDBLCLK (int wParam, int lParam) {
return wmMButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_MBUTTONDOWN (int wParam, int lParam) {
return wmMButtonDown (handle, wParam, lParam);
}
LRESULT WM_MBUTTONUP (int wParam, int lParam) {
return wmMButtonUp (handle, wParam, lParam);
}
LRESULT WM_MEASUREITEM (int wParam, int lParam) {
MEASUREITEMSTRUCT struct = new MEASUREITEMSTRUCT ();
OS.MoveMemory (struct, lParam, MEASUREITEMSTRUCT.sizeof);
if (struct.CtlType == OS.ODT_MENU) {
MenuItem item = display.getMenuItem (struct.itemID);
if (item == null) return null;
return item.wmMeasureChild (wParam, lParam);
}
int hwnd = OS.GetDlgItem (handle, struct.CtlID);
Control control = display.getControl (hwnd);
if (control == null) return null;
return control.wmMeasureChild (wParam, lParam);
}
LRESULT WM_MENUCHAR (int wParam, int lParam) {
/*
* Feature in Windows. When the user types Alt+<key>
* and <key> does not match a mnemonic in the System
* menu or the menu bar, Windows beeps. This beep is
* unexpected and unwanted by applications that look
* for Alt+<key>. The fix is to detect the case and
* stop Windows from beeping by closing the menu.
*-/
int type = wParam >> 16;
if (type == 0 || type == OS.MF_SYSMENU) {
display.mnemonicKeyHit = false;
return new LRESULT (OS.MNC_CLOSE << 16);
}
return null;
}
LRESULT WM_MENUSELECT (int wParam, int lParam) {
int code = wParam >> 16;
Shell shell = getShell ();
if (code == -1 && lParam == 0) {
Menu menu = shell.activeMenu;
while (menu != null) {
/*
* When the user cancels any menu that is not the
* menu bar, assume a mnemonic key was pressed to open
* the menu from WM_SYSCHAR. When the menu was invoked
* using the mouse, this assumption is wrong but not
* harmful. This variable is only used in WM_SYSCHAR
* and WM_SYSCHAR is only sent after the user has pressed
* a mnemonic.
*-/
display.mnemonicKeyHit = true;
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the hide
* event. If this happens, stop searching up the
* parent list because there is no longer a link
* to follow.
*-/
menu.sendEvent (SWT.Hide);
if (menu.isDisposed ()) break;
menu = menu.getParentMenu ();
}
/*
* The shell may be disposed because of sending the hide
* event to the last active menu menu but setting a field
* to null in a destroyed widget is not harmful.
*-/
shell.activeMenu = null;
return null;
}
if ((code & OS.MF_SYSMENU) != 0) return null;
if ((code & OS.MF_HILITE) != 0) {
MenuItem item = null;
Decorations menuShell = menuShell ();
if ((code & OS.MF_POPUP) != 0) {
int index = wParam & 0xFFFF;
MENUITEMINFO info = new MENUITEMINFO ();
info.cbSize = MENUITEMINFO.sizeof;
info.fMask = OS.MIIM_SUBMENU;
if (OS.GetMenuItemInfo (lParam, index, true, info)) {
Menu newMenu = menuShell.findMenu (info.hSubMenu);
if (newMenu != null) item = newMenu.cascade;
}
} else {
Menu newMenu = menuShell.findMenu (lParam);
if (newMenu != null) {
int id = wParam & 0xFFFF;
item = display.getMenuItem (id);
}
Menu oldMenu = shell.activeMenu;
if (oldMenu != null) {
Menu ancestor = oldMenu;
while (ancestor != null && ancestor != newMenu) {
ancestor = ancestor.getParentMenu ();
}
if (ancestor == newMenu) {
ancestor = oldMenu;
while (ancestor != newMenu) {
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the hide
* event or the item about to be armed. If this
* happens, stop searching up the ancestor list
* because there is no longer a link to follow.
*-/
ancestor.sendEvent (SWT.Hide);
if (ancestor.isDisposed ()) break;
ancestor = ancestor.getParentMenu ();
}
/*
* The shell and/or the item could be disposed when
* processing hide events from above. If this happens,
* ensure that the shell is not accessed and that no
* arm event is sent to the item.
*-/
if (!shell.isDisposed ()) {
if (newMenu != null && newMenu.isDisposed ()) {
newMenu = null;
}
shell.activeMenu = newMenu;
}
if (item != null && item.isDisposed ()) item = null;
}
}
}
if (item != null) item.sendEvent (SWT.Arm);
}
return null;
}
LRESULT WM_MOUSEACTIVATE (int wParam, int lParam) {
return null;
}
LRESULT WM_MOUSEHOVER (int wParam, int lParam) {
return wmMouseHover (handle, wParam, lParam);
}
LRESULT WM_MOUSELEAVE (int wParam, int lParam) {
return wmMouseLeave (handle, wParam, lParam);
}
LRESULT WM_MOUSEMOVE (int wParam, int lParam) {
return wmMouseMove (handle, wParam, lParam);
}
LRESULT WM_MOUSEWHEEL (int wParam, int lParam) {
return wmMouseWheel (handle, wParam, lParam);
}
LRESULT WM_MOVE (int wParam, int lParam) {
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
if (OS.IsWindowVisible (handle)) {
if (findThemeControl () != null) {
int flags = OS.RDW_ERASE | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
OS.RedrawWindow (handle, null, 0, flags);
}
}
}
sendEvent (SWT.Move);
// widget could be disposed at this point
return null;
}
LRESULT WM_NCACTIVATE (int wParam, int lParam) {
return null;
}
LRESULT WM_NCCALCSIZE (int wParam, int lParam) {
return null;
}
LRESULT WM_NCHITTEST (int wParam, int lParam) {
if (!OS.IsWindowEnabled (handle)) return null;
if (!isActive ()) return new LRESULT (OS.HTTRANSPARENT);
return null;
}
LRESULT WM_NCLBUTTONDOWN (int wParam, int lParam) {
return null;
}
LRESULT WM_NOTIFY (int wParam, int lParam) {
NMHDR hdr = new NMHDR ();
OS.MoveMemory (hdr, lParam, NMHDR.sizeof);
int hwnd = hdr.hwndFrom;
if (hwnd == 0) return null;
Control control = display.getControl (hwnd);
if (control == null) return null;
return control.wmNotifyChild (wParam, lParam);
}
LRESULT WM_PAINT (int wParam, int lParam) {
return super.wmPaint (handle, wParam, lParam);
}
LRESULT WM_PALETTECHANGED (int wParam, int lParam) {
return null;
}
LRESULT WM_PARENTNOTIFY (int wParam, int lParam) {
return null;
}
LRESULT WM_PASTE (int wParam, int lParam) {
return null;
}
LRESULT WM_PRINTCLIENT (int wParam, int lParam) {
return null;
}
LRESULT WM_QUERYENDSESSION (int wParam, int lParam) {
return null;
}
LRESULT WM_QUERYNEWPALETTE (int wParam, int lParam) {
return null;
}
LRESULT WM_QUERYOPEN (int wParam, int lParam) {
return null;
}
LRESULT WM_RBUTTONDBLCLK (int wParam, int lParam) {
return wmRButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_RBUTTONDOWN (int wParam, int lParam) {
return wmRButtonDown (handle, wParam, lParam);
}
LRESULT WM_RBUTTONUP (int wParam, int lParam) {
return wmRButtonUp (handle, wParam, lParam);
}
LRESULT WM_SETCURSOR (int wParam, int lParam) {
int hitTest = (short) (lParam & 0xFFFF);
if (hitTest == OS.HTCLIENT) {
Control control = display.getControl (wParam);
if (control == null) return null;
Cursor cursor = control.findCursor ();
if (cursor != null) {
OS.SetCursor (cursor.handle);
return LRESULT.ONE;
}
}
return null;
}
LRESULT WM_SETFOCUS (int wParam, int lParam) {
return wmSetFocus (handle, wParam, lParam);
}
LRESULT WM_SETTINGCHANGE (int wParam, int lParam) {
return null;
}
LRESULT WM_SETFONT (int wParam, int lParam) {
return null;
}
LRESULT WM_SETREDRAW (int wParam, int lParam) {
return null;
}
LRESULT WM_SHOWWINDOW (int wParam, int lParam) {
return null;
}
LRESULT WM_SIZE (int wParam, int lParam) {
sendEvent (SWT.Resize);
// widget could be disposed at this point
return null;
}
LRESULT WM_SYSCHAR (int wParam, int lParam) {
return wmSysChar (handle, wParam, lParam);
}
LRESULT WM_SYSCOLORCHANGE (int wParam, int lParam) {
return null;
}
LRESULT WM_SYSCOMMAND (int wParam, int lParam) {
/*
* Check to see if the command is a system command or
* a user menu item that was added to the System menu.
* When a user item is added to the System menu,
* WM_SYSCOMMAND must always return zero.
*-/
if ((wParam & 0xF000) == 0) {
Decorations shell = menuShell ();
if (shell.isEnabled ()) {
MenuItem item = display.getMenuItem (wParam & 0xFFFF);
if (item != null) item.wmCommandChild (wParam, lParam);
}
return LRESULT.ZERO;
}
/* Process the System Command *-/
int cmd = wParam & 0xFFF0;
switch (cmd) {
case OS.SC_CLOSE:
int hwndShell = menuShell ().handle;
int bits = OS.GetWindowLong (hwndShell, OS.GWL_STYLE);
if ((bits & OS.WS_SYSMENU) == 0) return LRESULT.ZERO;
break;
case OS.SC_KEYMENU:
/*
* When lParam is zero, one of F10, Shift+F10, Ctrl+F10 or
* Ctrl+Shift+F10 was pressed. If there is no menu bar and
* the focus control is interested in keystrokes, give the
* key to the focus control. Normally, F10 with no menu bar
* moves focus to the System menu but this can be achieved
* using Alt+Space. To allow the application to see F10,
* avoid running the default window proc.
*
* NOTE: When F10 is pressed, WM_SYSCOMMAND is sent to the
* shell, not the focus control. This is undocumented Windows
* behavior.
*-/
if (lParam == 0) {
Decorations shell = menuShell ();
Menu menu = shell.getMenuBar ();
if (menu == null) {
Control control = display._getFocusControl ();
if (control != null) {
if (control.hooks (SWT.KeyDown) || control.hooks (SWT.KeyUp)) {
display.mnemonicKeyHit = false;
return LRESULT.ZERO;
}
}
}
} else {
/*
* When lParam is not zero, Alt+<key> was pressed. If the
* application is interested in keystrokes and there is a
* menu bar, check to see whether the key that was pressed
* matches a mnemonic on the menu bar. Normally, Windows
* matches the first character of a menu item as well as
* matching the mnemonic character. To allow the application
* to see the keystrokes in this case, avoid running the default
* window proc.
*
* NOTE: When the user types Alt+Space, the System menu is
* activated. In this case the application should not see
* the keystroke.
*-/
if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) {
if (lParam != ' ') {
Decorations shell = menuShell ();
Menu menu = shell.getMenuBar ();
if (menu != null) {
char key = Display.mbcsToWcs (lParam);
if (key != 0) {
key = Character.toUpperCase (key);
MenuItem [] items = menu.getItems ();
for (int i=0; i<items.length; i++) {
MenuItem item = items [i];
String text = item.getText ();
char mnemonic = findMnemonic (text);
if (text.length () > 0 && mnemonic == 0) {
char ch = text.charAt (0);
if (Character.toUpperCase (ch) == key) {
display.mnemonicKeyHit = false;
return LRESULT.ZERO;
}
}
}
}
} else {
display.mnemonicKeyHit = false;
}
}
}
}
// FALL THROUGH
case OS.SC_HSCROLL:
case OS.SC_VSCROLL:
/*
* Do not allow keyboard traversal of the menu bar
* or scrolling when the shell is not enabled.
*-/
Decorations shell = menuShell ();
if (!shell.isEnabled () || !shell.isActive ()) {
return LRESULT.ZERO;
}
break;
case OS.SC_MINIMIZE:
/* Save the focus widget when the shell is minimized *-/
menuShell ().saveFocus ();
break;
}
return null;
}
LRESULT WM_SYSKEYDOWN (int wParam, int lParam) {
return wmSysKeyDown (handle, wParam, lParam);
}
LRESULT WM_SYSKEYUP (int wParam, int lParam) {
return wmSysKeyUp (handle, wParam, lParam);
}
LRESULT WM_TIMER (int wParam, int lParam) {
return null;
}
LRESULT WM_UNDO (int wParam, int lParam) {
return null;
}
LRESULT WM_VSCROLL (int wParam, int lParam) {
if (lParam == 0) return null;
Control control = display.getControl (lParam);
if (control == null) return null;
return control.wmScrollChild (wParam, lParam);
}
LRESULT WM_WINDOWPOSCHANGED (int wParam, int lParam) {
return null;
}
LRESULT WM_WINDOWPOSCHANGING (int wParam, int lParam) {
/*
* Bug in Windows. When WM_SETREDRAW is used to turn off drawing
* for a control and the control is moved or resized, Windows does
* not redraw the area where the control once was in the parent.
* The fix is to detect this case and redraw the area.
*-/
if (drawCount != 0) {
Shell shell = getShell ();
if (shell != this) {
WINDOWPOS lpwp = new WINDOWPOS ();
OS.MoveMemory (lpwp, lParam, WINDOWPOS.sizeof);
if ((lpwp.flags & OS.SWP_NOMOVE) == 0 || (lpwp.flags & OS.SWP_NOSIZE) == 0) {
RECT rect = new RECT ();
OS.GetWindowRect (topHandle (), rect);
int hwndParent = parent == null ? 0 : parent.handle;
OS.MapWindowPoints (0, hwndParent, rect, 2);
OS.InvalidateRect (hwndParent, rect, true);
}
}
}
return null;
}
LRESULT WM_XBUTTONDBLCLK (int wParam, int lParam) {
return wmXButtonDblClk (handle, wParam, lParam);
}
LRESULT WM_XBUTTONDOWN (int wParam, int lParam) {
return wmXButtonDown (handle, wParam, lParam);
}
LRESULT WM_XBUTTONUP (int wParam, int lParam) {
return wmXButtonUp (handle, wParam, lParam);
}
LRESULT wmColorChild (int wParam, int lParam) {
if (background == -1 && foreground == -1) return null;
int forePixel = foreground, backPixel = background;
if (forePixel == -1) forePixel = defaultForeground ();
if (backPixel == -1) backPixel = defaultBackground ();
OS.SetTextColor (wParam, forePixel);
OS.SetBkColor (wParam, backPixel);
return new LRESULT (findBrush (backPixel));
}
LRESULT wmCommandChild (int wParam, int lParam) {
return null;
}
LRESULT wmDrawChild (int wParam, int lParam) {
return null;
}
LRESULT wmMeasureChild (int wParam, int lParam) {
return null;
}
LRESULT wmNotifyChild (int wParam, int lParam) {
return null;
}
LRESULT wmScrollChild (int wParam, int lParam) {
return null;
}
*/
}
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