public void setImage(Image image) {
checkWidget();
if ((style & SWT.SEPARATOR) != 0) return;
super.setImage(image);
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList == null) imageList = parent.imageList = new ImageList();
int imageIndex = imageList.indexOf(image);
if (imageIndex == -1) {
imageIndex = imageList.add(image);
} else {
imageList.put(imageIndex, image);
}
long /*int*/ pixbuf = imageList.getPixbuf(imageIndex);
OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf);
} else {
OS.gtk_image_set_from_pixbuf(imageHandle, 0);
}
/*
* If Text/Image of a tool-item changes, then it is
* required to reset the proxy menu. Otherwise, the
* old menuItem appears in the overflow menu.
*/
if ((style & SWT.DROP_DOWN) != 0) {
proxyMenuItem = 0;
proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
OS.g_signal_connect(
proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
}
parent.relayout();
}
long /*int*/ gtk_clicked(long /*int*/ widget) {
Event event = new Event();
if ((style & SWT.DROP_DOWN) != 0) {
long /*int*/ eventPtr = OS.gtk_get_current_event();
if (eventPtr != 0) {
GdkEvent gdkEvent = new GdkEvent();
OS.memmove(gdkEvent, eventPtr, GdkEvent.sizeof);
long /*int*/ topHandle = topHandle();
switch (gdkEvent.type) {
case OS.GDK_KEY_RELEASE: // Fall Through..
case OS.GDK_BUTTON_PRESS:
case OS.GDK_2BUTTON_PRESS:
case OS.GDK_BUTTON_RELEASE:
{
boolean isArrow = false;
if (OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
double[] x_win = new double[1];
double[] y_win = new double[1];
OS.gdk_event_get_coords(eventPtr, x_win, y_win);
int x = OS.GTK_WIDGET_X(arrowHandle) - OS.GTK_WIDGET_X(handle);
int width = OS.GTK_WIDGET_WIDTH(arrowHandle);
if ((((parent.style & SWT.RIGHT_TO_LEFT) == 0) && x <= (int) x_win[0])
|| (((parent.style & SWT.RIGHT_TO_LEFT) != 0) && (int) x_win[0] <= x + width)) {
isArrow = true;
}
} else if (widget == arrowHandle) {
isArrow = true;
topHandle = widget;
/*
* Feature in GTK. ArrowButton stays in toggled state if there is no popup menu.
* It is required to set back the state of arrow to normal state after it is clicked.
*/
OS.g_signal_handlers_block_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
OS.gtk_toggle_button_set_active(widget, false);
OS.g_signal_handlers_unblock_matched(
widget, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED);
}
if (isArrow) {
event.detail = SWT.ARROW;
event.x = OS.GTK_WIDGET_X(topHandle);
if ((parent.style & SWT.MIRRORED) != 0)
event.x = parent.getClientWidth() - OS.GTK_WIDGET_WIDTH(topHandle) - event.x;
event.y = OS.GTK_WIDGET_Y(topHandle) + OS.GTK_WIDGET_HEIGHT(topHandle);
}
break;
}
}
OS.gdk_event_free(eventPtr);
}
}
if ((style & SWT.RADIO) != 0) {
if ((parent.getStyle() & SWT.NO_RADIO_GROUP) == 0) {
selectRadio();
}
}
sendSelectionEvent(SWT.Selection, event, false);
return 0;
}
/**
* 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>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public Rectangle getBounds() {
checkWidget();
parent.forceResize();
long /*int*/ topHandle = topHandle();
int x, y, width, height;
x = OS.GTK_WIDGET_X(topHandle);
y = OS.GTK_WIDGET_Y(topHandle);
width = OS.GTK_WIDGET_WIDTH(topHandle);
height = OS.GTK_WIDGET_HEIGHT(topHandle);
if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth() - width - x;
if ((style & SWT.SEPARATOR) != 0 && control != null) height = Math.max(height, 23);
return new Rectangle(x, y, width, height);
}
boolean isTabGroup() {
ToolItem[] tabList = parent._getTabItemList();
if (tabList != null) {
for (int i = 0; i < tabList.length; i++) {
if (tabList[i] == this) return true;
}
}
if ((style & SWT.SEPARATOR) != 0) return true;
int index = parent.indexOf(this);
if (index == 0) return true;
ToolItem previous = parent.getItem(index - 1);
return (previous.getStyle() & SWT.SEPARATOR) != 0;
}
/**
* Sets the receiver's text. The string may include the mnemonic character.
*
* <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.
*
* @param string the new text
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the text is null
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setText(String string) {
checkWidget();
if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
if ((style & SWT.SEPARATOR) != 0) return;
if (string.equals(this.text)) return;
super.setText(string);
if (labelHandle == 0) return;
char[] chars = fixMnemonic(string);
byte[] buffer = Converter.wcsToMbcs(null, chars, true);
OS.gtk_label_set_text_with_mnemonic(labelHandle, buffer);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
if (string.length() != 0) {
OS.gtk_widget_show(labelHandle);
} else {
OS.gtk_widget_hide(labelHandle);
}
}
/*
* If Text/Image of a tool-item changes, then it is
* required to reset the proxy menu. Otherwise, the
* old menuItem appears in the overflow menu.
*/
if ((style & SWT.DROP_DOWN) != 0) {
proxyMenuItem = 0;
proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
OS.g_signal_connect(
proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
}
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.
*
* @param enabled the new enabled state
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setEnabled(boolean enabled) {
checkWidget();
long /*int*/ topHandle = topHandle();
if (OS.GTK_WIDGET_SENSITIVE(topHandle) == enabled) return;
OS.gtk_widget_set_sensitive(topHandle, enabled);
if (enabled) {
/*
* Bug in GTK. GtkButton requires an enter notify before it
* allows the button to be pressed, but events are dropped when
* widgets are insensitive. The fix is to hide and show the
* button if the pointer is within its bounds.
*/
int[] x = new int[1], y = new int[1];
OS.gdk_window_get_pointer(parent.paintWindow(), x, y, null);
if (getBounds().contains(x[0], y[0])) {
OS.gtk_widget_hide(handle);
OS.gtk_widget_show(handle);
}
} else {
/*
* Bug in GTK. Starting with 2.14, if a button is disabled
* through on a button press, the field which keeps track
* whether the pointer is currently in the button is never updated.
* As a result, when it is re-enabled it automatically enters
* a PRELIGHT state. The fix is to set a NORMAL state.
*/
if (OS.GTK_VERSION >= OS.VERSION(2, 14, 0)) {
OS.gtk_widget_set_state(topHandle, OS.GTK_STATE_NORMAL);
}
}
}
void releaseWidget() {
super.releaseWidget();
if (parent.currentFocusItem == this) parent.currentFocusItem = null;
parent = null;
control = null;
hotImage = disabledImage = null;
toolTipText = null;
}
/**
* 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>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setWidth(int width) {
checkWidget();
if ((style & SWT.SEPARATOR) == 0) return;
if (width < 0) return;
boolean isVertical = (parent.style & SWT.VERTICAL) != 0;
OS.gtk_widget_set_size_request(handle, width, isVertical ? 6 : 15);
parent.relayout();
}
/**
* 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.
*
* @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>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the
* parent (inclusive)
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
* </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;
int count = parent.getItemCount();
if (!(0 <= index && index <= count)) {
error(SWT.ERROR_INVALID_RANGE);
}
createWidget(index);
}
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);
}
/**
* 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>ERROR_INVALID_PARENT - if the control is not in the same widget tree
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </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;
parent.relayout();
}
long /*int*/ gtk_button_release_event(long /*int*/ widget, long /*int*/ event) {
GdkEventButton gdkEvent = new GdkEventButton();
OS.memmove(gdkEvent, event, GdkEventButton.sizeof);
double x = gdkEvent.x;
gdkEvent.x += OS.GTK_WIDGET_X(handle);
double y = gdkEvent.y;
gdkEvent.y += OS.GTK_WIDGET_Y(handle);
OS.memmove(event, gdkEvent, GdkEventButton.sizeof);
long /*int*/ result = parent.gtk_button_release_event(widget, event);
gdkEvent.x = x;
gdkEvent.y = y;
OS.memmove(event, gdkEvent, GdkEventButton.sizeof);
return result;
}
long /*int*/ gtk_enter_notify_event(long /*int*/ widget, long /*int*/ event) {
parent.gtk_enter_notify_event(widget, event);
drawHotImage = (parent.style & SWT.FLAT) != 0 && hotImage != null;
if (drawHotImage) {
ImageList imageList = parent.imageList;
if (imageList != null) {
int index = imageList.indexOf(hotImage);
if (index != -1 && imageHandle != 0) {
long /*int*/ pixbuf = imageList.getPixbuf(index);
OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf);
}
}
}
return 0;
}
/**
* Sets the receiver's hot image to the argument, which may be null indicating that no hot image
* should be displayed.
*
* <p>The hot image is displayed when the mouse enters the receiver.
*
* @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
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setHotImage(Image image) {
checkWidget();
if ((style & SWT.SEPARATOR) != 0) return;
hotImage = image;
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList == null) imageList = parent.imageList = new ImageList();
int imageIndex = imageList.indexOf(image);
if (imageIndex == -1) {
imageIndex = imageList.add(image);
} else {
imageList.put(imageIndex, image);
}
}
}
long /*int*/ gtk_event_after(long /*int*/ widget, long /*int*/ gdkEvent) {
GdkEvent event = new GdkEvent();
OS.memmove(event, gdkEvent, GdkEvent.sizeof);
switch (event.type) {
case OS.GDK_BUTTON_PRESS:
{
GdkEventButton gdkEventButton = new GdkEventButton();
OS.memmove(gdkEventButton, gdkEvent, GdkEventButton.sizeof);
if (gdkEventButton.button == 3) {
parent.showMenu((int) gdkEventButton.x_root, (int) gdkEventButton.y_root);
}
break;
}
}
return 0;
}
long /*int*/ gtk_leave_notify_event(long /*int*/ widget, long /*int*/ event) {
parent.gtk_leave_notify_event(widget, event);
if (drawHotImage) {
drawHotImage = false;
if (image != null) {
ImageList imageList = parent.imageList;
if (imageList != null) {
int index = imageList.indexOf(image);
if (index != -1 && imageHandle != 0) {
long /*int*/ pixbuf = imageList.getPixbuf(index);
OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf);
}
}
}
}
return 0;
}
/**
* 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.
*
* @param string the new tool tip text (or null)
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setToolTipText(String string) {
checkWidget();
if (parent.toolTipText == null) {
Shell shell = parent._getShell();
setToolTipText(shell, string);
}
toolTipText = string;
/*
* Since tooltip text of a tool-item is used in overflow
* menu when images are not shown, it is required to
* reset the proxy menu when the tooltip text changes.
* Otherwise, the old menuItem appears in the overflow
* menu as a blank item.
*/
if ((style & SWT.DROP_DOWN) != 0) {
proxyMenuItem = 0;
proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
OS.g_signal_connect(
proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
}
}
void createHandle(int index) {
state |= HANDLE;
int bits = SWT.SEPARATOR | SWT.RADIO | SWT.CHECK | SWT.PUSH | SWT.DROP_DOWN;
if ((style & SWT.SEPARATOR) == 0) {
labelHandle = OS.gtk_label_new_with_mnemonic(null);
if (labelHandle == 0) error(SWT.ERROR_NO_HANDLES);
imageHandle = OS.gtk_image_new_from_pixbuf(0);
if (imageHandle == 0) error(SWT.ERROR_NO_HANDLES);
}
switch (style & bits) {
case SWT.SEPARATOR:
handle = OS.gtk_separator_tool_item_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_separator_tool_item_set_draw(handle, true);
break;
case SWT.DROP_DOWN:
if (OS.GTK_VERSION >= OS.VERSION(2, 6, 0)) {
handle = OS.gtk_menu_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
/*
* Feature in GTK. The arrow button of DropDown tool-item is
* disabled when it does not contain menu. The fix is to
* find the arrow button handle and enable it.
*/
long /*int*/ child = OS.gtk_bin_get_child(handle);
long /*int*/ list = OS.gtk_container_get_children(child);
arrowHandle = OS.g_list_nth_data(list, 1);
OS.gtk_widget_set_sensitive(arrowHandle, true);
OS.gtk_widget_set_size_request(OS.gtk_bin_get_child(arrowHandle), 8, 6);
} else {
/*
* GTK does not support GtkMenuToolButton until 2.6.
* So, we try to emulate it on the un-supported version.
*/
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
arrowBoxHandle = OS.gtk_hbox_new(false, 0);
if (arrowBoxHandle == 0) error(SWT.ERROR_NO_HANDLES);
arrowHandle = OS.gtk_arrow_new(OS.GTK_ARROW_DOWN, OS.GTK_SHADOW_NONE);
if (arrowHandle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_widget_set_size_request(arrowHandle, 8, 6);
OS.gtk_container_add(arrowBoxHandle, labelHandle);
OS.gtk_container_add(arrowBoxHandle, arrowHandle);
/*
* As we are try to emulate GtkMenuToolButton and in order
* to display both the label and image, it is required
* the set the toolitem as important. This will entitle
* to display the label all the times.
*/
OS.gtk_tool_item_set_is_important(handle, true);
}
break;
case SWT.RADIO:
/*
* Because GTK enforces radio behavior in a button group
* a radio group is not created for each set of contiguous
* buttons, each radio button will not draw unpressed.
* The fix is to use toggle buttons instead.
*/
case SWT.CHECK:
handle = OS.gtk_toggle_tool_button_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
case SWT.PUSH:
default:
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
}
if (labelHandle != 0) {
OS.gtk_tool_button_set_label_widget(handle, labelHandle);
}
if (imageHandle != 0) {
OS.gtk_tool_button_set_icon_widget(handle, imageHandle);
}
if ((parent.state & FOREGROUND) != 0) {
setForegroundColor(parent.getForegroundColor());
}
if ((parent.state & FONT) != 0) {
setFontDescription(parent.getFontDescription());
}
/*
* Feature in GTK. GtkToolButton class uses this property to
* determine whether to show or hide its label when the toolbar
* style is GTK_TOOLBAR_BOTH_HORIZ (or SWT.RIGHT).
*/
if ((parent.style & SWT.RIGHT) != 0) OS.gtk_tool_item_set_is_important(handle, true);
if ((style & SWT.SEPARATOR) == 0) OS.gtk_tool_button_set_use_underline(handle, true);
}
void createWidget(int index) {
super.createWidget(index);
showWidget(index);
parent.relayout();
}
public void dispose() {
if (isDisposed()) return;
ToolBar parent = this.parent;
super.dispose();
parent.relayout();
}
/**
* 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>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @see #getEnabled
*/
public boolean isEnabled() {
checkWidget();
return getEnabled() && parent.isEnabled();
}
/**
* 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.
*
* @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
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
* </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;
createWidget(parent.getItemCount());
}
long /*int*/ gtk_mnemonic_activate(long /*int*/ widget, long /*int*/ arg1) {
return parent.gtk_mnemonic_activate(widget, arg1);
}
long /*int*/ gtk_map(long /*int*/ widget) {
parent.fixZOrder();
return 0;
}
long /*int*/ gtk_focus_out_event(long /*int*/ widget, long /*int*/ event) {
parent.hasChildFocus = false;
return 0;
}
long /*int*/ gtk_focus_in_event(long /*int*/ widget, long /*int*/ event) {
parent.hasChildFocus = true;
parent.currentFocusItem = this;
return 0;
}
/**
* Gets the width of the receiver.
*
* @return the width
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public int getWidth() {
checkWidget();
parent.forceResize();
long /*int*/ topHandle = topHandle();
return OS.GTK_WIDGET_WIDTH(topHandle);
}