/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.widgets;
import org.eclipse.swt.internal.carbon.CFRange;
import org.eclipse.swt.internal.carbon.OS;
import org.eclipse.swt.internal.carbon.ControlButtonContentInfo;
import org.eclipse.swt.internal.carbon.ControlFontStyleRec;
import org.eclipse.swt.internal.carbon.HMHelpContentRec;
import org.eclipse.swt.internal.carbon.CGRect;
import org.eclipse.swt.internal.carbon.CGPoint;
import org.eclipse.swt.internal.carbon.HIThemeSeparatorDrawInfo;
import org.eclipse.swt.internal.carbon.HIThemePopupArrowDrawInfo;
import org.eclipse.swt.internal.carbon.HIThemeTextInfo;
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
/**
* Instances of this class represent a selectable user interface object
* that represents a button in a tool bar.
* <dl>
* <dt><b>Styles:</b></dt>
* <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd>
* <dt><b>Events:</b></dt>
* <dd>Selection</dd>
* </dl>
* <p>
* Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN
* may be specified.
* </p><p>
* IMPORTANT: This class is <em>not</em> intended to be subclassed.
* </p>
*
* @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a>
* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
* @noextend This class is not intended to be subclassed by clients.
*/
public class ToolItem extends Item {
int handle, iconHandle, labelHandle;
int cIcon;
int visibleRgn, partCode;
int width = DEFAULT_SEPARATOR_WIDTH;
ToolBar parent;
Image hotImage, disabledImage;
String toolTipText;
Control control;
boolean selection;
static final int DEFAULT_WIDTH = 24;
static final int DEFAULT_HEIGHT = 22;
static final int DEFAULT_SEPARATOR_WIDTH = 6;
static final int ARROW_WIDTH = 9;
static final int INSET = 3;
static final String [] AX_ATTRIBUTES = {
OS.kAXDescriptionAttribute,
OS.kAXTitleAttribute,
OS.kAXValueAttribute,
};
/**
* Constructs a new instance of this class given its parent
* (which must be a <code>ToolBar</code>) and a style value
* describing its behavior and appearance. The item is added
* to the end of the items maintained by its parent.
* <p>
* The style value is either one of the style constants defined in
* class <code>SWT</code> which is applicable to instances of this
* class, or must be built by <em>bitwise OR</em>'ing together
* (that is, using the <code>int</code> "|" operator) two or more
* of those <code>SWT</code> style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
* </p>
*
* @param parent a composite control which will be the parent of the new instance (cannot be null)
* @param style the style of control to construct
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
* </ul>
*
* @see SWT#PUSH
* @see SWT#CHECK
* @see SWT#RADIO
* @see SWT#SEPARATOR
* @see SWT#DROP_DOWN
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public ToolItem (ToolBar parent, int style) {
super (parent, checkStyle (style));
this.parent = parent;
parent.createItem (this, parent.getItemCount ());
}
/**
* Constructs a new instance of this class given its parent
* (which must be a <code>ToolBar</code>), a style value
* describing its behavior and appearance, and the index
* at which to place it in the items maintained by its parent.
* <p>
* The style value is either one of the style constants defined in
* class <code>SWT</code> which is applicable to instances of this
* class, or must be built by <em>bitwise OR</em>'ing together
* (that is, using the <code>int</code> "|" operator) two or more
* of those <code>SWT</code> style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
* </p>
*
* @param parent a composite control which will be the parent of the new instance (cannot be null)
* @param style the style of control to construct
* @param index the zero-relative index to store the receiver in its parent
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
* <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
* </ul>
*
* @see SWT#PUSH
* @see SWT#CHECK
* @see SWT#RADIO
* @see SWT#SEPARATOR
* @see SWT#DROP_DOWN
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public ToolItem (ToolBar parent, int style, int index) {
super (parent, checkStyle (style));
this.parent = parent;
parent.createItem (this, index);
}
int actionProc (int theControl, int partCode) {
int result = parent.actionProc (theControl, partCode);
if (result == OS.noErr) return result;
if (isDisposed ()) return OS.noErr;
this.partCode = partCode;
if (text.length () > 0 && theControl == labelHandle) {
if (image != null && iconHandle != 0) {
int transform = partCode != 0 ? OS.kTransformSelected : 0;
OS.SetControlData (iconHandle, OS.kControlEntireControl, OS.kControlIconTransformTag, 2, new short [] {(short)transform});
redrawWidget (iconHandle, false);
}
redrawWidget (labelHandle, false);
}
if (image != null && theControl == iconHandle) {
redrawWidget (labelHandle, false);
}
if (theControl == handle) {
if (image != null && iconHandle != 0) {
int transform = partCode != 0 ? OS.kTransformSelected : 0;
OS.SetControlData (iconHandle, OS.kControlEntireControl, OS.kControlIconTransformTag, 2, new short [] {(short)transform});
redrawWidget (iconHandle, false);
}
if (labelHandle != 0) redrawWidget (labelHandle, false);
}
return result;
}
/**
* Adds the listener to the collection of listeners who will
* be notified when the control is selected by the user, by sending
* it one of the messages defined in the <code>SelectionListener</code>
* interface.
* <p>
* When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool,
* the event object detail field contains the value <code>SWT.ARROW</code>.
* <code>widgetDefaultSelected</code> is not called.
* </p>
* <p>
* When the <code>SWT.RADIO</code> style bit is set, the <code>widgetSelected</code> method is
* also called when the receiver loses selection because another item in the same radio group
* was selected by the user. During <code>widgetSelected</code> the application can use
* <code>getSelection()</code> to determine the current selected state of the receiver.
* </p>
*
* @param listener the listener which should be notified when the control is selected by the user,
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*
* @see SelectionListener
* @see #removeSelectionListener
* @see SelectionEvent
*/
public void addSelectionListener(SelectionListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
TypedListener typedListener = new TypedListener(listener);
addListener(SWT.Selection,typedListener);
addListener(SWT.DefaultSelection,typedListener);
}
int callPaintEventHandler (int control, int damageRgn, int visibleRgn, int theEvent, int nextHandler) {
if (control == labelHandle && (partCode != 0 || ((state & DISABLED) != 0 && OS.VERSION >= 0x1040))) {
HIThemeTextInfo info = new HIThemeTextInfo ();
if (partCode != 0) {
info.state = OS.kThemeStatePressed;
} else {
if (OS.IsControlActive (labelHandle)) {
info.state = (state & DISABLED) == 0 ? OS.kThemeStateActive : OS.kThemeStateUnavailable;
} else {
info.state = (state & DISABLED) == 0 ? OS.kThemeStateInactive : OS.kThemeStateUnavailableInactive;
}
}
Font font = parent.font;
if (font != null) {
short [] family = new short [1], style = new short [1];
OS.FMGetFontFamilyInstanceFromFont (font.handle, family, style);
OS.TextFont (family [0]);
OS.TextFace ((short) (style [0] | font.style));
OS.TextSize ((short) font.size);
info.fontID = (short) OS.kThemeCurrentPortFont;
} else {
info.fontID = (short) parent.defaultThemeFont ();
}
CGRect rect = new CGRect ();
OS.HIViewGetBounds (labelHandle, rect);
int [] context = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamCGContextRef, OS.typeCGContextRef, null, 4, null, context);
if ((state & DISABLED) != 0 && OS.VERSION >= 0x1040) {
OS.HIThemeSetTextFill (OS.kThemeTextColorMenuItemDisabled, 0, context [0], OS.kHIThemeOrientationNormal);
} else {
int colorspace = OS.CGColorSpaceCreateDeviceRGB ();
OS.CGContextSetFillColorSpace (context [0], colorspace);
OS.CGColorSpaceRelease (colorspace);
OS.CGContextSetFillColor (context [0], parent.getForegroundColor ().handle);
}
int [] ptr = new int [1];
OS.GetControlData (labelHandle, (short) 0, OS.kControlStaticTextCFStringTag, 4, ptr, null);
OS.HIThemeDrawTextBox (ptr [0], rect, info, context [0], OS.kHIThemeOrientationNormal);
OS.CFRelease (ptr [0]);
return OS.noErr;
}
if (control == iconHandle && OS.VERSION >= 0x1040) {
Image image = null;
if (hotImage != null) {
image = hotImage;
} else {
if (this.image != null) {
image = this.image;
} else {
image = disabledImage;
}
}
if (image != null) {
int imageHandle = image.handle;
int alphaInfo = OS.CGImageGetAlphaInfo (imageHandle);
if (alphaInfo == OS.kCGImageAlphaFirst) {
int [] buffer = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamCGContextRef, OS.typeCGContextRef, null, 4, null, buffer);
int context = buffer [0];
CGRect rect = new CGRect ();
OS.HIViewGetBounds (iconHandle, rect);
if (partCode != 0) {
OS.HICreateTransformedCGImage (imageHandle, OS.kHITransformSelected, buffer);
imageHandle = buffer [0];
} else if ((state & DISABLED) != 0) {
OS.HICreateTransformedCGImage (imageHandle, OS.kHITransformDisabled, buffer);
imageHandle = buffer [0];
}
OS.HIViewDrawCGImage (context, rect, imageHandle);
if (imageHandle != image.handle) OS.CGImageRelease (imageHandle);
return OS.noErr;
}
}
}
return super.callPaintEventHandler (control, damageRgn, visibleRgn, theEvent, nextHandler);
}
static int checkStyle (int style) {
return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0);
}
protected void checkSubclass () {
if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}
int colorProc (int inControl, int inMessage, int inDrawDepth, int inDrawInColor) {
switch (inMessage) {
case OS.kControlMsgApplyTextColor: {
if (parent.foreground != null) {
OS.RGBForeColor (toRGBColor (parent.foreground));
} else {
OS.SetThemeTextColor ((short) OS.kThemeTextColorDialogActive, (short) inDrawDepth, inDrawInColor != 0);
}
return OS.noErr;
}
case OS.kControlMsgSetUpBackground: {
float [] background = parent.background != null ? parent.background : parent.getParentBackground ();
if (background != null) {
OS.RGBBackColor (toRGBColor (background));
} else {
OS.SetThemeBackground ((short) OS.kThemeBrushDialogBackgroundActive, (short) inDrawDepth, inDrawInColor != 0);
}
return OS.noErr;
}
}
return OS.eventNotHandledErr;
}
Point computeSize () {
// checkWidget();
int width = 0, height = 0;
if ((style & SWT.SEPARATOR) != 0) {
if ((parent.style & SWT.HORIZONTAL) != 0) {
width = getWidth ();
height = DEFAULT_HEIGHT;
} else {
width = DEFAULT_WIDTH;
height = getWidth ();
}
if (control != null) {
height = Math.max (height, control.getMininumHeight ());
}
} else {
int space = 0;
if (text.length () != 0 || image != null) {
int stringWidth = 0, stringHeight = 0;
if (text.length () != 0) {
Point size = textExtent ();
stringWidth = size.x;
stringHeight = size.y;
}
int imageWidth = 0, imageHeight = 0;
if (image != null) {
if (text.length () != 0) space = 2;
Rectangle rect = image.getBounds ();
imageWidth = rect.width;
imageHeight = rect.height;
}
if ((parent.style & SWT.RIGHT) != 0) {
width = stringWidth + imageWidth + space;
height = Math.max (stringHeight, imageHeight);
} else {
width = Math.max (stringWidth, imageWidth);
height = stringHeight + imageHeight + space;
}
} else {
width = DEFAULT_WIDTH;
height = DEFAULT_HEIGHT;
}
if ((style & SWT.DROP_DOWN) != 0) {
width += ARROW_WIDTH;
}
width += INSET * 2;
height += INSET * 2;
}
return new Point (width, height);
}
boolean contains (String [] array, String element) {
for (int i = 0; i < array.length; i++) {
if (array [i].equals (element)) {
return true;
}
}
return false;
}
void createHandle () {
int [] outControl = new int [1];
int window = OS.GetControlOwner (parent.handle);
int features = OS.kControlSupportsEmbedding | OS.kControlWantsActivate;
OS.CreateUserPaneControl (window, null, features, outControl);
if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
handle = outControl [0];
OS.HIObjectSetAccessibilityIgnored (handle, true);
if ((style & SWT.SEPARATOR) == 0) {
ControlButtonContentInfo inContent = new ControlButtonContentInfo ();
OS.CreateIconControl(window, null, inContent, false, outControl);
if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
iconHandle = outControl [0];
OS.HIObjectSetAccessibilityIgnored (iconHandle, true);
ControlFontStyleRec fontStyle = new ControlFontStyleRec ();
Font font = parent.font;
if (font != null) {
short [] family = new short [1], style = new short [1];
OS.FMGetFontFamilyInstanceFromFont (font.handle, family, style);
fontStyle.flags |= OS.kControlUseFontMask | OS.kControlUseSizeMask | OS.kControlUseFaceMask;
fontStyle.font = family [0];
fontStyle.style = (short) (style [0] | font.style);
fontStyle.size = (short) font.size;
} else {
fontStyle.flags = (short) OS.kControlUseThemeFontIDMask;
fontStyle.font = (short) parent.defaultThemeFont ();
}
OS.CreateStaticTextControl (window, null, 0, fontStyle, outControl);
if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
labelHandle = outControl [0];
OS.HIObjectSetAccessibilityIgnored (labelHandle, true);
}
}
void createWidget () {
super.createWidget ();
setZOrder ();
toolTipText = "";
}
void deregister () {
super.deregister ();
display.removeWidget (handle);
if (iconHandle != 0) display.removeWidget (iconHandle);
if (labelHandle != 0) display.removeWidget (labelHandle);
}
void destroyWidget () {
parent.destroyItem (this);
int theControl = handle;
releaseHandle ();
if (theControl != 0) {
OS.DisposeControl (theControl);
}
}
void drawBackground (int control, int context) {
if (control == handle && getSelection ()) {
CGRect rect = new CGRect();
OS.HIViewGetBounds (handle, rect);
OS.CGContextSaveGState (context);
OS.CGContextSetFillColor (context, new float[]{0.1f, 0.1f, 0.1f, 0.1f});
OS.CGContextFillRect (context, rect);
OS.CGContextSetStrokeColor (context, new float[]{0.2f, 0.2f, 0.2f, 0.2f});
rect.x += 0.5f;
rect.y += 0.5f;
rect.width -= 1;
rect.height -= 1;
OS.CGContextStrokeRect (context, rect);
OS.CGContextRestoreGState (context);
}
}
void drawWidget (int control, int context, int damageRgn, int visibleRgn, int theEvent) {
if (control == handle && (style & (SWT.DROP_DOWN | SWT.SEPARATOR)) != 0) {
int state;
if (OS.IsControlEnabled (control)) {
state = OS.IsControlActive (control) ? OS.kThemeStateActive : OS.kThemeStateInactive;
} else {
state = OS.IsControlActive (control) ? OS.kThemeStateUnavailable : OS.kThemeStateUnavailableInactive;
}
CGRect rect = new CGRect ();
OS.HIViewGetBounds (handle, rect);
if ((style & SWT.SEPARATOR) != 0 && this.control == null) {
rect.y += 2;
rect.height -= 4;
HIThemeSeparatorDrawInfo info = new HIThemeSeparatorDrawInfo ();
info.state = state;
OS.HIThemeDrawSeparator (rect, info, context, OS.kHIThemeOrientationNormal);
}
if ((style & SWT.DROP_DOWN) != 0) {
rect.y = rect.height / 2 - 1;
rect.x = rect.width - ARROW_WIDTH;
HIThemePopupArrowDrawInfo info = new HIThemePopupArrowDrawInfo ();
info.state = state;
info.orientation = (short) OS.kThemeArrowDown;
info.size = (short) OS.kThemeArrow5pt;
OS.HIThemeDrawPopupArrow (rect, info, context, OS.kHIThemeOrientationNormal);
}
}
}
String [] getAxAttributes () {
return AX_ATTRIBUTES;
}
/**
* Returns a rectangle describing the receiver's size and location
* relative to its parent.
*
* @return the receiver's bounding rectangle
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public Rectangle getBounds () {
checkWidget();
return getControlBounds (handle);
}
/**
* Returns the control that is used to fill the bounds of
* the item when the item is a <code>SEPARATOR</code>.
*
* @return the control
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public Control getControl () {
checkWidget();
return control;
}
/**
* Returns the receiver's disabled image if it has one, or null
* if it does not.
* <p>
* The disabled image is displayed when the receiver is disabled.
* </p>
*
* @return the receiver's disabled image
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public Image getDisabledImage () {
checkWidget();
return disabledImage;
}
/**
* Returns <code>true</code> if the receiver is enabled, and
* <code>false</code> otherwise. A disabled control is typically
* not selectable from the user interface and draws with an
* inactive or "grayed" look.
*
* @return the receiver's enabled state
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*
* @see #isEnabled
*/
public boolean getEnabled () {
checkWidget();
return (state & DISABLED) == 0;
}
boolean getDrawing () {
return parent.getDrawing ();
}
/**
* Returns the receiver's hot image if it has one, or null
* if it does not.
* <p>
* The hot image is displayed when the mouse enters the receiver.
* </p>
*
* @return the receiver's hot image
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public Image getHotImage () {
checkWidget();
return hotImage;
}
/**
* Returns the receiver's parent, which must be a <code>ToolBar</code>.
*
* @return the receiver's parent
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public ToolBar getParent () {
checkWidget();
return parent;
}
/**
* Returns <code>true</code> if the receiver is selected,
* and false otherwise.
* <p>
* When the receiver is of type <code>CHECK</code> or <code>RADIO</code>,
* it is selected when it is checked (which some platforms draw as a
* pushed in button). If the receiver is of any other type, this method
* returns false.
* </p>
*
* @return the selection state
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public boolean getSelection () {
checkWidget();
if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false;
return selection;
}
/**
* Returns the receiver's tool tip text, or null if it has not been set.
*
* @return the receiver's tool tip text
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public String getToolTipText () {
checkWidget();
return toolTipText;
}
/**
* Gets the width of the receiver.
*
* @return the width
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public int getWidth () {
checkWidget();
return width;
}
int getVisibleRegion (int control, boolean clipChildren) {
if (visibleRgn == 0) {
visibleRgn = OS.NewRgn ();
calculateVisibleRegion (control, visibleRgn, false);
}
int result = OS.NewRgn ();
OS.CopyRgn (visibleRgn, result);
return result;
}
int helpProc (int inControl, int inGlobalMouse, int inRequest, int outContentProvided, int ioHelpContent) {
if (parent.toolTipText == null) {
switch (inRequest) {
case OS.kHMSupplyContent: {
short [] contentProvided = { OS.kHMContentNotProvided };
if (toolTipText != null && toolTipText.length () != 0) {
char [] buffer = new char [toolTipText.length ()];
toolTipText.getChars (0, buffer.length, buffer, 0);
int length = fixMnemonic (buffer);
if (display.helpString != 0) OS.CFRelease (display.helpString);
display.helpString = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, length);
HMHelpContentRec helpContent = new HMHelpContentRec ();
OS.memmove (helpContent, ioHelpContent, HMHelpContentRec.sizeof);
helpContent.version = OS.kMacHelpVersion;
helpContent.tagSide = (short) OS.kHMDefaultSide;
display.helpWidget = null;
helpContent.absHotRect_left = (short) 0;
helpContent.absHotRect_top = (short) 0;
helpContent.absHotRect_right = (short) 0;
helpContent.absHotRect_bottom = (short) 0;
helpContent.content0_contentType = OS.kHMCFStringContent;
helpContent.content0_tagCFString = display.helpString;
helpContent.content1_contentType = OS.kHMCFStringContent;
helpContent.content1_tagCFString = display.helpString;
OS.memmove (ioHelpContent, helpContent, HMHelpContentRec.sizeof);
contentProvided [0] = OS.kHMContentProvided;
}
OS.memmove (outContentProvided, contentProvided, 2);
break;
}
case OS.kHMDisposeContent: {
if (display.helpString != 0) OS.CFRelease (display.helpString);
display.helpWidget = null;
display.helpString = 0;
break;
}
}
return OS.noErr;
}
return parent.helpProc (inControl, inGlobalMouse, inRequest, outContentProvided, ioHelpContent);
}
void hookEvents () {
super.hookEvents ();
int controlProc = display.controlProc;
int colorProc = display.colorProc;
int [] mask1 = new int [] {
OS.kEventClassControl, OS.kEventControlDraw,
OS.kEventClassControl, OS.kEventControlHit,
OS.kEventClassControl, OS.kEventControlHitTest,
OS.kEventClassControl, OS.kEventControlTrack,
};
int controlTarget = OS.GetControlEventTarget (handle);
OS.InstallEventHandler (controlTarget, controlProc, mask1.length / 2, mask1, handle, null);
int [] mask2 = new int [] {
OS.kEventClassControl, OS.kEventControlDraw,
OS.kEventClassControl, OS.kEventControlHitTest,
OS.kEventClassControl, OS.kEventControlTrack,
OS.kEventClassControl, OS.kEventControlGetClickActivation,
};
int accessibilityProc = display.accessibilityProc;
int [] mask3 = new int [] {
OS.kEventClassAccessibility, OS.kEventAccessibleGetAllAttributeNames,
OS.kEventClassAccessibility, OS.kEventAccessibleGetNamedAttribute,
};
if (iconHandle != 0) {
controlTarget = OS.GetControlEventTarget (iconHandle);
OS.InstallEventHandler (controlTarget, controlProc, mask2.length / 2, mask2, iconHandle, null);
OS.SetControlColorProc (iconHandle, colorProc);
OS.SetControlAction (iconHandle, display.actionProc);
OS.InstallEventHandler (controlTarget, accessibilityProc, mask3.length / 2, mask3, iconHandle, null);
}
if (labelHandle != 0) {
controlTarget = OS.GetControlEventTarget (labelHandle);
OS.InstallEventHandler (controlTarget, controlProc, mask2.length / 2, mask2, labelHandle, null);
OS.SetControlColorProc (labelHandle, colorProc);
OS.SetControlAction (labelHandle, display.actionProc);
}
if ((style & SWT.SEPARATOR) == 0) {
OS.SetControlAction (handle, display.actionProc);
}
int helpProc = display.helpProc;
OS.HMInstallControlContentCallback (handle, helpProc);
OS.SetControlColorProc (handle, colorProc);
}
void invalidateVisibleRegion (int control) {
resetVisibleRegion (control);
parent.resetVisibleRegion (control);
}
void invalWindowRgn (int window, int rgn) {
parent.invalWindowRgn (window, rgn);
}
boolean isDrawing () {
return getDrawing() && parent.isDrawing();
}
/**
* Returns <code>true</code> if the receiver is enabled and all
* of the receiver's ancestors are enabled, and <code>false</code>
* otherwise. A disabled control is typically not selectable from the
* user interface and draws with an inactive or "grayed" look.
*
* @return the receiver's enabled state
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*
* @see #getEnabled
*/
public boolean isEnabled () {
checkWidget();
return getEnabled () && parent.isEnabled ();
}
int kEventAccessibleGetAllAttributeNames (int nextHandler, int theEvent, int userData) {
int code = OS.eventNotHandledErr;
String [] attributes = getAxAttributes ();
if (attributes != null) {
OS.CallNextEventHandler (nextHandler, theEvent);
int [] arrayRef = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamAccessibleAttributeNames, OS.typeCFMutableArrayRef, null, 4, null, arrayRef);
int attributesArrayRef = arrayRef [0];
int length = OS.CFArrayGetCount (attributesArrayRef);
String[] osAttributes = new String [length];
for (int i = 0; i < length; i++) {
int stringRef = OS.CFArrayGetValueAtIndex (attributesArrayRef, i);
int strLength = OS.CFStringGetLength (stringRef);
char [] buffer = new char [strLength];
CFRange range = new CFRange ();
range.length = strLength;
OS.CFStringGetCharacters (stringRef, range, buffer);
osAttributes [i] = new String (buffer);
}
for (int i = 0; i < attributes.length; i++) {
if (!contains (osAttributes, attributes [i])) {
String string = attributes [i];
char [] buffer = new char [string.length ()];
string.getChars (0, buffer.length, buffer, 0);
int stringRef = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
OS.CFArrayAppendValue (attributesArrayRef, stringRef);
OS.CFRelease (stringRef);
}
}
code = OS.noErr;
}
if (parent.accessible != null) {
code = parent.accessible.internal_kEventAccessibleGetAllAttributeNames (nextHandler, theEvent, code);
}
return code;
}
int kEventAccessibleGetNamedAttribute (int nextHandler, int theEvent, int userData) {
int code = OS.eventNotHandledErr;
int [] stringRef = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamAccessibleAttributeName, OS.typeCFStringRef, null, 4, null, stringRef);
int length = 0;
if (stringRef [0] != 0) length = OS.CFStringGetLength (stringRef [0]);
char [] buffer = new char [length];
CFRange range = new CFRange ();
range.length = length;
OS.CFStringGetCharacters (stringRef [0], range, buffer);
String attributeName = new String(buffer);
if (attributeName.equals (OS.kAXRoleAttribute) || attributeName.equals (OS.kAXRoleDescriptionAttribute)) {
String roleText = ((style & SWT.PUSH) != 0) ? OS.kAXButtonRole
: ((style & SWT.RADIO) != 0) ? OS.kAXRadioButtonRole
: ((style & SWT.CHECK) != 0) ? OS.kAXCheckBoxRole
: ((style & SWT.DROP_DOWN) != 0) ? OS.kAXMenuButtonRole
: null; // SEPARATOR
if (roleText != null) {
buffer = new char [roleText.length ()];
roleText.getChars (0, buffer.length, buffer, 0);
stringRef [0] = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
if (stringRef [0] != 0) {
if (attributeName.equals (OS.kAXRoleAttribute)) {
OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, stringRef);
} else { // kAXRoleDescriptionAttribute
int stringRef2 = OS.HICopyAccessibilityRoleDescription (stringRef [0], 0);
OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, new int [] {stringRef2});
OS.CFRelease(stringRef2);
}
OS.CFRelease(stringRef [0]);
code = OS.noErr;
}
}
} else if (attributeName.equals (OS.kAXTitleAttribute) || attributeName.equals (OS.kAXDescriptionAttribute)) {
String accessibleText = toolTipText;
if (accessibleText == null || accessibleText.equals("")) accessibleText = text;
if (!(accessibleText == null || accessibleText.equals(""))) {
buffer = new char [accessibleText.length ()];
accessibleText.getChars (0, buffer.length, buffer, 0);
int ref = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, new int [] {ref});
OS.CFRelease(ref);
code = OS.noErr;
}
} else if (attributeName.equals (OS.kAXValueAttribute) && (style & (SWT.CHECK | SWT.RADIO)) != 0) {
OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeSInt32, 4, new int [] {selection ? 1 : 0});
code = OS.noErr;
}
if (parent.accessible != null) {
code = parent.accessible.internal_kEventAccessibleGetNamedAttribute (nextHandler, theEvent, code);
}
return code;
}
int kEventControlGetClickActivation (int nextHandler, int theEvent, int userData) {
return parent.kEventControlGetClickActivation (nextHandler, theEvent, userData);
}
int kEventControlHit (int nextHandler, int theEvent, int userData) {
int result = super.kEventControlHit (nextHandler, theEvent, userData);
if (result == OS.noErr) return result;
if ((style & SWT.RADIO) != 0) {
if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) {
selectRadio ();
}
}
if ((style & SWT.CHECK) != 0) setSelection (!getSelection ());
sendSelectionEvent (SWT.Selection);
return OS.eventNotHandledErr;
}
int kEventControlHitTest (int nextHandler, int theEvent, int userData) {
/*
* Feature in the Macintosh. When kWindowCompositingAttribute is
* set in the window, controls within the window are selected when
* any button is pressed, not just the left one. When the control
* has a menu, this causes both selection and a menu to be displayed.
* The fix is to check for button two and avoid setting the part
* code, which stops the selection from happening.
*/
if (display.clickCountButton == 2) return OS.noErr;
int [] theControl = new int [1];
OS.GetEventParameter (theEvent, OS.kEventParamDirectObject, OS.typeControlRef, null, 4, null, theControl);
if (theControl [0] == labelHandle || (theControl [0] == handle && (style & SWT.SEPARATOR) == 0)) {
CGRect rect = new CGRect ();
OS.HIViewGetBounds (theControl [0], rect);
CGPoint pt = new CGPoint ();
OS.GetEventParameter (theEvent, OS.kEventParamMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt);
if (OS.CGRectContainsPoint (rect, pt) != 0 && (theControl [0] != handle || (style & SWT.DROP_DOWN) == 0 || rect.width - pt.x >= ARROW_WIDTH + INSET)) {
OS.SetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, 2, new short[]{(short)1});
return OS.noErr;
}
}
return OS.eventNotHandledErr;
}
int kEventControlTrack (int nextHandler, int theEvent, int userData) {
int result = parent.kEventControlTrack (nextHandler, theEvent, userData);
if (isDisposed ()) return OS.noErr;
partCode = 0;
if (text.length () > 0 && labelHandle != 0) {
redrawWidget (labelHandle, false);
}
if (image != null && iconHandle != 0) {
OS.SetControlData (iconHandle, OS.kControlEntireControl, OS.kControlIconTransformTag, 2, new short [] {(short) 0});
redrawWidget (iconHandle, false);
}
return result;
}
int kEventMouseDown (int nextHandler, int theEvent, int userData) {
int result = parent.kEventMouseDown (nextHandler, theEvent, userData);
if (result == OS.noErr) return result;
if ((style & SWT.DROP_DOWN) != 0) {
CGPoint pt = new CGPoint ();
OS.GetEventParameter (theEvent, OS.kEventParamWindowMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt);
OS.HIViewConvertPoint (pt, 0, handle);
CGRect rect = new CGRect ();
OS.HIViewGetFrame (handle, rect);
int x = (int) pt.x;
int width = (int) rect.width;
if (width - x < ARROW_WIDTH + INSET) {
OS.HIViewConvertPoint (pt, handle, parent.handle);
Event event = new Event ();
event.detail = SWT.ARROW;
event.x = (int) rect.x;
event.y = (int) (rect.y + rect.height);
sendSelectionEvent (SWT.Selection, event, false);
}
}
return result;
}
int kEventMouseDragged (int nextHandler, int theEvent, int userData) {
return parent.kEventMouseDragged (nextHandler, theEvent, userData);
}
int kEventMouseMoved (int nextHandler, int theEvent, int userData) {
return parent.kEventMouseMoved (nextHandler, theEvent, userData);
}
int kEventMouseUp (int nextHandler, int theEvent, int userData) {
return parent.kEventMouseUp (nextHandler, theEvent, userData);
}
void register () {
super.register ();
display.addWidget (handle, this);
if (iconHandle != 0) display.addWidget (iconHandle, this);
if (labelHandle != 0) display.addWidget (labelHandle, this);
}
void releaseParent () {
super.releaseParent ();
setVisible (false);
}
void releaseHandle () {
super.releaseHandle ();
handle = iconHandle = labelHandle = 0;
parent = null;
}
void releaseWidget () {
super.releaseWidget ();
if (cIcon != 0) destroyCIcon (cIcon);
cIcon = 0;
if (visibleRgn != 0) OS.DisposeRgn (visibleRgn);
visibleRgn = 0;
control = null;
toolTipText = null;
image = disabledImage = hotImage = null;
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the control is selected by the user.
*
* @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 SelectionListener
* @see #addSelectionListener
*/
public void removeSelectionListener(SelectionListener listener) {
checkWidget();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook(SWT.Selection, listener);
eventTable.unhook(SWT.DefaultSelection,listener);
}
void resetVisibleRegion (int control) {
if (visibleRgn != 0) {
OS.DisposeRgn (visibleRgn);
visibleRgn = 0;
}
}
void selectRadio () {
int index = 0;
ToolItem [] items = parent.getItems ();
while (index < items.length && items [index] != this) index++;
int i = index - 1;
while (i >= 0 && items [i].setRadioSelection (false)) --i;
int j = index + 1;
while (j < items.length && items [j].setRadioSelection (false)) j++;
setSelection (true);
}
void setBackground (float [] color) {
parent.setBackground (handle, color);
if (labelHandle != 0) {
parent.setBackground (labelHandle, color);
}
if (iconHandle != 0) parent.setBackground (iconHandle, color);
}
void setBounds (int x, int y, int width, int height) {
setBounds (handle, x, y, width, height, true, true, false);
if ((style & SWT.SEPARATOR) != 0) return;
int space = 0;
int stringWidth = 0, stringHeight = 0;
if (text.length () != 0) {
Point size = textExtent ();
stringWidth = size.x;
stringHeight = size.y;
}
int imageWidth = 0, imageHeight = 0;
if (image != null) {
if (text.length () != 0) space = 2;
Rectangle rect = image.getBounds ();
imageWidth = rect.width;
imageHeight = rect.height;
}
int arrowWidth = 0;
if ((style & SWT.DROP_DOWN) != 0) {
arrowWidth = ARROW_WIDTH;
}
if ((parent.style & SWT.RIGHT) != 0) {
int imageX = INSET;
int imageY = INSET + (height - (INSET * 2) - imageHeight) / 2;
setBounds (iconHandle, imageX, imageY, imageWidth, imageHeight, true, true, false);
int labelX = imageX + imageWidth + space;
int labelY = INSET + (height - (INSET * 2) - stringHeight) / 2;
setBounds (labelHandle, labelX, labelY, stringWidth, stringHeight, true, true, false);
} else {
int imageX = INSET + (width - (INSET * 2) - arrowWidth - imageWidth) / 2;
int imageY = INSET + (height - imageHeight - stringHeight - INSET * 2) / 2;
setBounds (iconHandle, imageX, imageY, imageWidth, imageHeight, true, true, false);
int labelX = INSET + (width - (INSET * 2) - arrowWidth - stringWidth) / 2;
int labelY = imageY + imageHeight + space;
setBounds (labelHandle, labelX, labelY, stringWidth, stringHeight, true, true, false);
}
}
/**
* Sets the control that is used to fill the bounds of
* the item when the item is a <code>SEPARATOR</code>.
*
* @param control the new control
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li>
* <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setControl (Control control) {
checkWidget();
if (control != null) {
if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT);
if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT);
}
if ((style & SWT.SEPARATOR) == 0) return;
if (this.control == control) return;
this.control = control;
redrawWidget (handle, false);
if (control != null && !control.isDisposed ()) {
control.moveAbove (null);
}
parent.relayout ();
}
/**
* Enables the receiver if the argument is <code>true</code>,
* and disables it otherwise.
* <p>
* A disabled control is typically
* not selectable from the user interface and draws with an
* inactive or "grayed" look.
* </p>
*
* @param enabled the new enabled state
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setEnabled (boolean enabled) {
checkWidget();
if ((state & DISABLED) == 0 && enabled) return;
if (enabled) {
state &= ~DISABLED;
OS.EnableControl (handle);
} else {
state |= DISABLED;
OS.DisableControl (handle);
}
}
void setFontStyle (Font font) {
parent.setFontStyle (labelHandle, font);
}
void setForeground (float [] color) {
parent.setForeground (handle, color);
if (labelHandle != 0) {
parent.setForeground (labelHandle, color);
}
if (iconHandle != 0) parent.setForeground (iconHandle, color);
}
/**
* Sets the receiver's disabled image to the argument, which may be
* null indicating that no disabled image should be displayed.
* <p>
* The disabled image is displayed when the receiver is disabled.
* </p>
*
* @param image the disabled image to display on the receiver (may be null)
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setDisabledImage (Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
disabledImage = image;
updateImage (true);
}
/**
* Sets the receiver's hot image to the argument, which may be
* null indicating that no hot image should be displayed.
* <p>
* The hot image is displayed when the mouse enters the receiver.
* </p>
*
* @param image the hot image to display on the receiver (may be null)
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setHotImage (Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
hotImage = image;
updateImage (true);
}
public void setImage (Image image) {
checkWidget();
if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
super.setImage (image);
updateImage (true);
OS.HIObjectSetAccessibilityIgnored (iconHandle, image == null);
}
boolean setRadioSelection (boolean value) {
if ((style & SWT.RADIO) == 0) return false;
if (getSelection () != value) {
setSelection (value);
sendSelectionEvent (SWT.Selection);
}
return true;
}
/**
* Sets the selection state of the receiver.
* <p>
* When the receiver is of type <code>CHECK</code> or <code>RADIO</code>,
* it is selected when it is checked (which some platforms draw as a
* pushed in button).
* </p>
*
* @param selected the new selection state
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setSelection (boolean selected) {
checkWidget();
if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return;
this.selection = selected;
redrawWidget (handle, true);
}
/**
* Sets the receiver's text. The string may include
* the mnemonic character.
* </p>
* <p>
* Mnemonics are indicated by an '&' that causes the next
* character to be the mnemonic. When the user presses a
* key sequence that matches the mnemonic, a selection
* event occurs. On most platforms, the mnemonic appears
* underlined but may be emphasised in a platform specific
* manner. The mnemonic indicator character '&' can be
* escaped by doubling it in the string, causing a single
* '&' to be displayed.
* </p>
*
* @param string the new text
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setText (String string) {
checkWidget();
if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
super.setText (string);
char [] buffer = new char [text.length ()];
text.getChars (0, buffer.length, buffer, 0);
int length = fixMnemonic (buffer);
int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, length);
if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
OS.SetControlData (labelHandle, 0 , OS.kControlStaticTextCFStringTag, 4, new int[]{ptr});
OS.CFRelease (ptr);
redrawWidget (labelHandle, false);
parent.relayout ();
OS.HIObjectSetAccessibilityIgnored (labelHandle, string.equals(""));
}
/**
* Sets the receiver's tool tip text to the argument, which
* may be null indicating that the default tool tip for the
* control will be shown. For a control that has a default
* tool tip, such as the Tree control on Windows, setting
* the tool tip text to an empty string replaces the default,
* causing no tool tip text to be shown.
* <p>
* The mnemonic indicator (character '&') is not displayed in a tool tip.
* To display a single '&' in the tool tip, the character '&' can be
* escaped by doubling it in the string.
* </p>
*
* @param string the new tool tip text (or null)
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setToolTipText (String string) {
checkWidget();
toolTipText = string;
}
void setVisible (boolean visible) {
if (visible) {
if ((state & HIDDEN) == 0) return;
state &= ~HIDDEN;
} else {
if ((state & HIDDEN) != 0) return;
state |= HIDDEN;
}
setVisible (handle, visible);
}
/**
* Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems.
*
* @param width the new width. If the new value is <code>SWT.DEFAULT</code>,
* the width is a fixed-width area whose amount is determined by the platform.
* If the new value is 0 a vertical or horizontal line will be drawn, depending
* on the setting of the corresponding style bit (<code>SWT.VERTICAL</code> or
* <code>SWT.HORIZONTAL</code>). If the new value is <code>SWT.SEPARATOR_FILL</code>
* a variable-width space is inserted that acts as a spring between the two adjoining
* items which will push them out to the extent of the containing ToolBar.
*
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*/
public void setWidth (int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0 || this.width == width) return;
this.width = width;
redrawWidget (handle, false);
parent.relayout();
}
void setZOrder () {
OS.HIViewAddSubview (parent.handle, handle);
if (iconHandle != 0) OS.HIViewAddSubview (handle, iconHandle);
if (labelHandle != 0) OS.HIViewAddSubview (handle, labelHandle);
}
void updateImage (boolean layout) {
if ((style & SWT.SEPARATOR) != 0) return;
if (cIcon != 0) destroyCIcon (cIcon);
cIcon = 0;
Image image = null;
if (hotImage != null) {
image = hotImage;
} else {
if (this.image != null) {
image = this.image;
} else {
image = disabledImage;
}
}
ControlButtonContentInfo inContent = new ControlButtonContentInfo ();
if (image != null) {
cIcon = createCIcon (image);
inContent.contentType = (short) OS.kControlContentCIconHandle;
inContent.iconRef = cIcon;
}
OS.SetBevelButtonContentInfo (iconHandle, inContent);
if (layout) {
redrawWidget (iconHandle, false);
parent.relayout();
}
}
Point textExtent () {
int [] ptr = new int [1];
OS.GetControlData (labelHandle, (short) 0, OS.kControlStaticTextCFStringTag, 4, ptr, null);
Point result = parent.textExtent (ptr [0], 0);
if (ptr [0] != 0) OS.CFRelease (ptr [0]);
return result;
}
}