/*******************************************************************************
* 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.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.gtk.*;
import org.eclipse.swt.events.*;
/**
* This class is the abstract superclass of all user interface objects.
* Widgets are created, disposed and issue notification to listeners
* when events occur which affect them.
* <dl>
* <dt><b>Styles:</b></dt>
* <dd>(none)</dd>
* <dt><b>Events:</b></dt>
* <dd>Dispose</dd>
* </dl>
* <p>
* IMPORTANT: This class is intended to be subclassed <em>only</em>
* within the SWT implementation. However, it has not been marked
* final to allow those outside of the SWT development team to implement
* patched versions of the class in order to get around specific
* limitations in advance of when those limitations can be addressed
* by the team. Any class built using subclassing to access the internals
* of this class will likely fail to compile or run between releases and
* may be strongly platform specific. Subclassing should not be attempted
* without an intimate and detailed understanding of the workings of the
* hierarchy. No support is provided for user-written classes which are
* implemented as subclasses of this class.
* </p>
*
* @see #checkSubclass
* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
*/
public abstract class Widget {
/**
* the handle to the OS resource
* (Warning: This field is platform dependent)
* <p>
* <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
* public API. 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 accessed from application code.
* </p>
*
* @noreference This field is not intended to be referenced by clients.
*/
public int /*long*/ handle;
int style, state;
Display display;
EventTable eventTable;
Object data;
/* Global state flags */
static final int DISPOSED = 1<<0;
static final int CANVAS = 1<<1;
static final int KEYED_DATA = 1<<2;
static final int HANDLE = 1<<3;
static final int DISABLED = 1<<4;
static final int MENU = 1<<5;
static final int OBSCURED = 1<<6;
static final int MOVED = 1<<7;
static final int RESIZED = 1<<8;
static final int ZERO_WIDTH = 1<<9;
static final int ZERO_HEIGHT = 1<<10;
static final int HIDDEN = 1<<11;
static final int FOREGROUND = 1<<12;
static final int BACKGROUND = 1<<13;
static final int FONT = 1<<14;
static final int PARENT_BACKGROUND = 1<<15;
static final int THEME_BACKGROUND = 1<<16;
/* A layout was requested on this widget */
static final int LAYOUT_NEEDED = 1<<17;
/* The preferred size of a child has changed */
static final int LAYOUT_CHANGED = 1<<18;
/* A layout was requested in this widget hierachy */
static final int LAYOUT_CHILD = 1<<19;
/* More global state flags */
static final int RELEASED = 1<<20;
static final int DISPOSE_SENT = 1<<21;
static final int FOREIGN_HANDLE = 1<<22;
static final int DRAG_DETECT = 1<<23;
/* Notify of the opportunity to skin this widget */
static final int SKIN_NEEDED = 1<<24;
/* Should sub-windows be checked when EnterNotify received */
static final int CHECK_SUBWINDOW = 1<<25;
/* Default size for widgets */
static final int DEFAULT_WIDTH = 64;
static final int DEFAULT_HEIGHT = 64;
/* GTK signals data */
static final int ACTIVATE = 1;
static final int BUTTON_PRESS_EVENT = 2;
static final int BUTTON_PRESS_EVENT_INVERSE = 3;
static final int BUTTON_RELEASE_EVENT = 4;
static final int BUTTON_RELEASE_EVENT_INVERSE = 5;
static final int CHANGED = 6;
static final int CHANGE_VALUE = 7;
static final int CLICKED = 8;
static final int COMMIT = 9;
static final int CONFIGURE_EVENT = 10;
static final int DELETE_EVENT = 11;
static final int DELETE_RANGE = 12;
static final int DELETE_TEXT = 13;
static final int ENTER_NOTIFY_EVENT = 14;
static final int EVENT = 15;
static final int EVENT_AFTER = 16;
static final int EXPAND_COLLAPSE_CURSOR_ROW = 17;
static final int EXPOSE_EVENT = 18;
static final int EXPOSE_EVENT_INVERSE = 19;
static final int FOCUS = 20;
static final int FOCUS_IN_EVENT = 21;
static final int FOCUS_OUT_EVENT = 22;
static final int GRAB_FOCUS = 23;
static final int HIDE = 24;
static final int INPUT = 25;
static final int INSERT_TEXT = 26;
static final int KEY_PRESS_EVENT = 27;
static final int KEY_RELEASE_EVENT = 28;
static final int LEAVE_NOTIFY_EVENT = 29;
static final int MAP = 30;
static final int MAP_EVENT = 31;
static final int MNEMONIC_ACTIVATE = 32;
static final int MOTION_NOTIFY_EVENT = 33;
static final int MOTION_NOTIFY_EVENT_INVERSE = 34;
static final int MOVE_FOCUS = 35;
static final int OUTPUT = 36;
static final int POPULATE_POPUP = 37;
static final int POPUP_MENU = 38;
static final int PREEDIT_CHANGED = 39;
static final int REALIZE = 40;
static final int ROW_ACTIVATED = 41;
static final int SCROLL_CHILD = 42;
static final int SCROLL_EVENT = 43;
static final int SELECT = 44;
static final int SHOW = 45;
static final int SHOW_HELP = 46;
static final int SIZE_ALLOCATE = 47;
static final int STYLE_SET = 48;
static final int SWITCH_PAGE = 49;
static final int TEST_COLLAPSE_ROW = 50;
static final int TEST_EXPAND_ROW = 51;
static final int TEXT_BUFFER_INSERT_TEXT = 52;
static final int TOGGLED = 53;
static final int UNMAP = 54;
static final int UNMAP_EVENT = 55;
static final int UNREALIZE = 56;
static final int VALUE_CHANGED = 57;
static final int VISIBILITY_NOTIFY_EVENT = 58;
static final int WINDOW_STATE_EVENT = 59;
static final int ACTIVATE_INVERSE = 60;
static final int DAY_SELECTED = 61;
static final int MONTH_CHANGED = 62;
static final int STATUS_ICON_POPUP_MENU = 63;
static final int ROW_INSERTED = 64;
static final int ROW_DELETED = 65;
static final int DAY_SELECTED_DOUBLE_CLICK = 66;
static final int ICON_RELEASE = 67;
static final int SELECTION_DONE = 68;
static final int START_INTERACTIVE_SEARCH = 69;
static final int BACKSPACE = 70;
static final int BACKSPACE_INVERSE = 71;
static final int COPY_CLIPBOARD = 72;
static final int COPY_CLIPBOARD_INVERSE = 73;
static final int CUT_CLIPBOARD = 74;
static final int CUT_CLIPBOARD_INVERSE = 75;
static final int PASTE_CLIPBOARD = 76;
static final int PASTE_CLIPBOARD_INVERSE = 77;
static final int DELETE_FROM_CURSOR = 78;
static final int DELETE_FROM_CURSOR_INVERSE = 79;
static final int MOVE_CURSOR = 80;
static final int MOVE_CURSOR_INVERSE = 81;
static final int DIRECTION_CHANGED = 82;
static final int LAST_SIGNAL = 83;
static final String IS_ACTIVE = "org.eclipse.swt.internal.control.isactive"; //$NON-NLS-1$
static final String KEY_CHECK_SUBWINDOW = "org.eclipse.swt.internal.control.checksubwindow"; //$NON-NLS-1$
/**
* Prevents uninitialized instances from being created outside the package.
*/
Widget () {}
/**
* 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 widget which will be the parent of the new instance (cannot be null)
* @param style the style of widget to construct
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
* <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
* </ul>
*
* @see SWT
* @see #checkSubclass
* @see #getStyle
*/
public Widget (Widget parent, int style) {
checkSubclass ();
checkParent (parent);
this.style = style;
display = parent.display;
reskinWidget ();
}
void _addListener (int eventType, Listener listener) {
if (eventTable == null) eventTable = new EventTable ();
eventTable.hook (eventType, listener);
}
/**
* Adds the listener to the collection of listeners who will
* be notified when an event of the given type occurs. When the
* event does occur in the widget, the listener is notified by
* sending it the <code>handleEvent()</code> message. The event
* type is one of the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @param listener the listener which should be notified when the event occurs
*
* @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 Listener
* @see SWT
* @see #getListeners(int)
* @see #removeListener(int, Listener)
* @see #notifyListeners
*/
public void addListener (int eventType, Listener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
_addListener (eventType, listener);
}
/**
* Adds the listener to the collection of listeners who will
* be notified when the widget is disposed. When the widget is
* disposed, the listener is notified by sending it the
* <code>widgetDisposed()</code> message.
*
* @param listener the listener which should be notified when the receiver is disposed
*
* @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 DisposeListener
* @see #removeDisposeListener
*/
public void addDisposeListener (DisposeListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
TypedListener typedListener = new TypedListener (listener);
addListener (SWT.Dispose, typedListener);
}
int /*long*/ paintWindow () {
return 0;
}
static int checkBits (int style, int int0, int int1, int int2, int int3, int int4, int int5) {
int mask = int0 | int1 | int2 | int3 | int4 | int5;
if ((style & mask) == 0) style |= int0;
if ((style & int0) != 0) style = (style & ~mask) | int0;
if ((style & int1) != 0) style = (style & ~mask) | int1;
if ((style & int2) != 0) style = (style & ~mask) | int2;
if ((style & int3) != 0) style = (style & ~mask) | int3;
if ((style & int4) != 0) style = (style & ~mask) | int4;
if ((style & int5) != 0) style = (style & ~mask) | int5;
return style;
}
int /*long*/ cellDataProc (int /*long*/ tree_column, int /*long*/ cell, int /*long*/ tree_model, int /*long*/ iter, int /*long*/ data) {
return 0;
}
void checkOpen () {
/* Do nothing */
}
void checkOrientation (Widget parent) {
style &= ~SWT.MIRRORED;
if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) == 0) {
if (parent != null) {
if ((parent.style & SWT.LEFT_TO_RIGHT) != 0) style |= SWT.LEFT_TO_RIGHT;
if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) style |= SWT.RIGHT_TO_LEFT;
}
}
style = checkBits (style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0, 0);
/* Versions of GTK prior to 2.8 do not render RTL text properly */
if (OS.GTK_VERSION < OS.VERSION (2, 8, 0)) {
style &= ~SWT.RIGHT_TO_LEFT;
style |= SWT.LEFT_TO_RIGHT;
}
}
/**
* Throws an exception if the specified widget can not be
* used as a parent for the receiver.
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
* <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li>
* </ul>
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
* </ul>
*/
void checkParent (Widget parent) {
if (parent == null) error (SWT.ERROR_NULL_ARGUMENT);
if (parent.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
parent.checkWidget ();
parent.checkOpen ();
}
/**
* Checks that this class can be subclassed.
* <p>
* The SWT class library is intended to be subclassed
* only at specific, controlled points (most notably,
* <code>Composite</code> and <code>Canvas</code> when
* implementing new widgets). This method enforces this
* rule unless it is overridden.
* </p><p>
* <em>IMPORTANT:</em> By providing an implementation of this
* method that allows a subclass of a class which does not
* normally allow subclassing to be created, the implementer
* agrees to be fully responsible for the fact that any such
* subclass will likely fail between SWT releases and will be
* strongly platform specific. No support is provided for
* user-written classes which are implemented in this fashion.
* </p><p>
* The ability to subclass outside of the allowed SWT classes
* is intended purely to enable those not on the SWT development
* team to implement patches in order to get around specific
* limitations in advance of when those limitations can be
* addressed by the team. Subclassing should not be attempted
* without an intimate and detailed understanding of the hierarchy.
* </p>
*
* @exception SWTException <ul>
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
* </ul>
*/
protected void checkSubclass () {
if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}
/**
* Throws an <code>SWTException</code> if the receiver can not
* be accessed by the caller. This may include both checks on
* the state of the receiver and more generally on the entire
* execution context. This method <em>should</em> be called by
* widget implementors to enforce the standard SWT invariants.
* <p>
* Currently, it is an error to invoke any method (other than
* <code>isDisposed()</code>) on a widget that has had its
* <code>dispose()</code> method called. It is also an error
* to call widget methods from any thread that is different
* from the thread that created the widget.
* </p><p>
* In future releases of SWT, there may be more or fewer error
* checks and exceptions may be thrown for different reasons.
* </p>
*
* @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>
*/
protected void checkWidget () {
Display display = this.display;
if (display == null) error (SWT.ERROR_WIDGET_DISPOSED);
if (display.thread != Thread.currentThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
if ((state & DISPOSED) != 0) error (SWT.ERROR_WIDGET_DISPOSED);
}
void createHandle (int index) {
}
void createWidget (int index) {
createHandle (index);
setOrientation (true);
hookEvents ();
register ();
}
void deregister () {
if (handle == 0) return;
if ((state & HANDLE) != 0) display.removeWidget (handle);
}
void destroyWidget () {
int /*long*/ topHandle = topHandle ();
releaseHandle ();
if (topHandle != 0 && (state & HANDLE) != 0) {
OS.gtk_widget_destroy (topHandle);
}
}
/**
* Disposes of the operating system resources associated with
* the receiver and all its descendants. After this method has
* been invoked, the receiver and all descendants will answer
* <code>true</code> when sent the message <code>isDisposed()</code>.
* Any internal connections between the widgets in the tree will
* have been removed to facilitate garbage collection.
* This method does nothing if the widget is already disposed.
* <p>
* NOTE: This method is not called recursively on the descendants
* of the receiver. This means that, widget implementers can not
* detect when a widget is being disposed of by re-implementing
* this method, but should instead listen for the <code>Dispose</code>
* event.
* </p>
*
* @exception SWTException <ul>
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
* </ul>
*
* @see #addDisposeListener
* @see #removeDisposeListener
* @see #checkWidget
*/
public void dispose () {
/*
* Note: It is valid to attempt to dispose a widget
* more than once. If this happens, fail silently.
*/
if (isDisposed ()) return;
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
release (true);
}
void error (int code) {
SWT.error (code);
}
/**
* Returns the application defined widget data associated
* with the receiver, or null if it has not been set. The
* <em>widget data</em> is a single, unnamed field that is
* stored with every widget.
* <p>
* Applications may put arbitrary objects in this field. If
* the object stored in the widget data needs to be notified
* when the widget is disposed of, it is the application's
* responsibility to hook the Dispose event on the widget and
* do so.
* </p>
*
* @return the widget data
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li>
* </ul>
*
* @see #setData(Object)
*/
public Object getData () {
checkWidget();
return (state & KEYED_DATA) != 0 ? ((Object []) data) [0] : data;
}
/**
* Returns the application defined property of the receiver
* with the specified name, or null if it has not been set.
* <p>
* Applications may have associated arbitrary objects with the
* receiver in this fashion. If the objects stored in the
* properties need to be notified when the widget is disposed
* of, it is the application's responsibility to hook the
* Dispose event on the widget and do so.
* </p>
*
* @param key the name of the property
* @return the value of the property or null if it has not been set
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the key 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 #setData(String, Object)
*/
public Object getData (String key) {
checkWidget();
if (key == null) error (SWT.ERROR_NULL_ARGUMENT);
if (key.equals (KEY_CHECK_SUBWINDOW)) {
return new Boolean ((state & CHECK_SUBWINDOW) != 0);
}
if (key.equals(IS_ACTIVE)) return new Boolean(isActive ());
if ((state & KEYED_DATA) != 0) {
Object [] table = (Object []) data;
for (int i=1; i<table.length; i+=2) {
if (key.equals (table [i])) return table [i+1];
}
}
return null;
}
/**
* Returns the <code>Display</code> that is associated with
* the receiver.
* <p>
* A widget's display is either provided when it is created
* (for example, top level <code>Shell</code>s) or is the
* same as its parent's display.
* </p>
*
* @return the receiver's display
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
* </ul>
*/
public Display getDisplay () {
Display display = this.display;
if (display == null) error (SWT.ERROR_WIDGET_DISPOSED);
return display;
}
/**
* Returns an array of listeners who will be notified when an event
* of the given type occurs. The event type is one of the event constants
* defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @return an array of listeners that will be notified when the event occurs
*
* @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 Listener
* @see SWT
* @see #addListener(int, Listener)
* @see #removeListener(int, Listener)
* @see #notifyListeners
*
* @since 3.4
*/
public Listener[] getListeners (int eventType) {
checkWidget();
if (eventTable == null) return new Listener[0];
return eventTable.getListeners(eventType);
}
String getName () {
// String string = getClass ().getName ();
// int index = string.lastIndexOf ('.');
// if (index == -1) return string;
String string = getClass ().getName ();
int index = string.length ();
while ((--index > 0) && (string.charAt (index) != '.')) {}
return string.substring (index + 1, string.length ());
}
String getNameText () {
return "";
}
/**
* Returns the receiver's style information.
* <p>
* Note that the value which is returned by this method <em>may
* not match</em> the value which was provided to the constructor
* when the receiver was created. This can occur when the underlying
* operating system does not support a particular combination of
* requested styles. For example, if the platform widget used to
* implement a particular SWT widget always has scroll bars, the
* result of calling this method would always have the
* <code>SWT.H_SCROLL</code> and <code>SWT.V_SCROLL</code> bits set.
* </p>
*
* @return the style bits
*
* @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 getStyle () {
checkWidget ();
return style;
}
int /*long*/ gtk_activate (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_button_release_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_changed (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_change_value (int /*long*/ widget, int /*long*/ scroll, int /*long*/ value1, int /*long*/ value2) {
return 0;
}
int /*long*/ gtk_clicked (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_commit (int /*long*/ imcontext, int /*long*/ text) {
return 0;
}
int /*long*/ gtk_configure_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_day_selected (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_day_selected_double_click (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_delete_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_delete_range (int /*long*/ widget, int /*long*/ iter1, int /*long*/ iter2) {
return 0;
}
int /*long*/ gtk_delete_text (int /*long*/ widget, int /*long*/ start_pos, int /*long*/ end_pos) {
return 0;
}
int /*long*/ gtk_enter_notify_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_event_after (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_expand_collapse_cursor_row (int /*long*/ widget, int /*long*/ logical, int /*long*/ expand, int /*long*/ open_all) {
return 0;
}
int /*long*/ gtk_expose_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_focus (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_focus_in_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_focus_out_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_grab_focus (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_hide (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_icon_release (int /*long*/ widget, int /*long*/ icon_pos, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_input (int /*long*/ widget, int /*long*/ arg1) {
return 0;
}
int /*long*/ gtk_insert_text (int /*long*/ widget, int /*long*/ new_text, int /*long*/ new_text_length, int /*long*/ position) {
return 0;
}
int /*long*/ gtk_key_press_event (int /*long*/ widget, int /*long*/ event) {
GdkEventKey gdkEvent = new GdkEventKey ();
OS.memmove (gdkEvent, event, GdkEventKey.sizeof);
return sendKeyEvent (SWT.KeyDown, gdkEvent) ? 0 : 1;
}
int /*long*/ gtk_key_release_event (int /*long*/ widget, int /*long*/ event) {
GdkEventKey gdkEvent = new GdkEventKey ();
OS.memmove (gdkEvent, event, GdkEventKey.sizeof);
return sendKeyEvent (SWT.KeyUp, gdkEvent) ? 0 : 1;
}
int /*long*/ gtk_leave_notify_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_map (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_map_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_mnemonic_activate (int /*long*/ widget, int /*long*/ arg1) {
return 0;
}
int /*long*/ gtk_month_changed (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_motion_notify_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_move_focus (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_output (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_populate_popup (int /*long*/ widget, int /*long*/ menu) {
return 0;
}
int /*long*/ gtk_popup_menu (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_preedit_changed (int /*long*/ imcontext) {
return 0;
}
int /*long*/ gtk_realize (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_row_activated (int /*long*/ tree, int /*long*/ path, int /*long*/ column) {
return 0;
}
int /*long*/ gtk_row_deleted (int /*long*/ model, int /*long*/ path) {
return 0;
}
int /*long*/ gtk_row_inserted (int /*long*/ model, int /*long*/ path, int /*long*/ iter) {
return 0;
}
int /*long*/ gtk_scroll_child (int /*long*/ widget, int /*long*/ scrollType, int /*long*/ horizontal) {
return 0;
}
int /*long*/ gtk_scroll_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_select (int /*long*/ item) {
return 0;
}
int /*long*/ gtk_selection_done (int /*long*/ menushell) {
return 0;
}
int /*long*/ gtk_show (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_show_help (int /*long*/ widget, int /*long*/ helpType) {
return 0;
}
int /*long*/ gtk_size_allocate (int /*long*/ widget, int /*long*/ allocation) {
return 0;
}
int /*long*/ gtk_status_icon_popup_menu (int /*long*/ handle, int /*long*/ button, int /*long*/ activate_time) {
return 0;
}
int /*long*/ gtk_start_interactive_search (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_style_set (int /*long*/ widget, int /*long*/ previousStyle) {
return 0;
}
int /*long*/ gtk_switch_page (int /*long*/ widget, int /*long*/ page, int /*long*/ page_num) {
return 0;
}
int /*long*/ gtk_test_collapse_row (int /*long*/ tree, int /*long*/ iter, int /*long*/ path) {
return 0;
}
int /*long*/ gtk_test_expand_row (int /*long*/ tree, int /*long*/ iter, int /*long*/ path) {
return 0;
}
int /*long*/ gtk_text_buffer_insert_text (int /*long*/ widget, int /*long*/ iter, int /*long*/ text, int /*long*/ length) {
return 0;
}
int /*long*/ gtk_timer () {
return 0;
}
int /*long*/ gtk_toggled (int /*long*/ renderer, int /*long*/ pathStr) {
return 0;
}
int /*long*/ gtk_unmap (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_unmap_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_unrealize (int /*long*/ widget) {
return 0;
}
int /*long*/ gtk_value_changed (int /*long*/ adjustment) {
return 0;
}
int /*long*/ gtk_visibility_notify_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int /*long*/ gtk_window_state_event (int /*long*/ widget, int /*long*/ event) {
return 0;
}
int fontHeight (int /*long*/ font, int /*long*/ widgetHandle) {
int /*long*/ context = OS.gtk_widget_get_pango_context (widgetHandle);
int /*long*/ lang = OS.pango_context_get_language (context);
int /*long*/ metrics = OS.pango_context_get_metrics (context, font, lang);
int ascent = OS.pango_font_metrics_get_ascent (metrics);
int descent = OS.pango_font_metrics_get_descent (metrics);
OS.pango_font_metrics_unref (metrics);
return OS.PANGO_PIXELS (ascent + descent);
}
int /*long*/ filterProc(int /*long*/ xEvent, int /*long*/ gdkEvent, int /*long*/ data2) {
return 0;
}
boolean filters (int eventType) {
return display.filters (eventType);
}
int /*long*/ fixedMapProc (int /*long*/ widget) {
return 0;
}
int /*long*/ fixedSizeAllocateProc(int /*long*/ widget, int /*long*/ allocationPtr) {
return OS.Call (Display.oldFixedSizeAllocateProc, widget, allocationPtr);
}
char [] fixMnemonic (String string) {
return fixMnemonic (string, true);
}
char [] fixMnemonic (String string, boolean replace) {
int length = string.length ();
char [] text = new char [length];
string.getChars (0, length, text, 0);
int i = 0, j = 0;
char [] result = new char [length * 2];
while (i < length) {
switch (text [i]) {
case '&':
if (i + 1 < length && text [i + 1] == '&') {
result [j++] = text [i++];
} else {
if (replace) result [j++] = '_';
}
i++;
break;
case '_':
if (replace) result [j++] = '_';
//FALL THROUGH
default:
result [j++] = text [i++];
}
}
return result;
}
boolean isActive () {
return true;
}
/**
* Returns <code>true</code> if the widget has been disposed,
* and <code>false</code> otherwise.
* <p>
* This method gets the dispose state for the widget.
* When a widget has been disposed, it is an error to
* invoke any other method (except {@link #dispose()}) using the widget.
* </p>
*
* @return <code>true</code> when the widget is disposed and <code>false</code> otherwise
*/
public boolean isDisposed () {
return (state & DISPOSED) != 0;
}
/**
* Returns <code>true</code> if there are any listeners
* for the specified event type associated with the receiver,
* and <code>false</code> otherwise. The event type is one of
* the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event
* @return true if the event is hooked
*
* @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 SWT
*/
public boolean isListening (int eventType) {
checkWidget ();
return hooks (eventType);
}
boolean isValidThread () {
return getDisplay ().isValidThread ();
}
boolean isValidSubclass() {
return Display.isValidClass(getClass());
}
void hookEvents () {
}
/*
* Returns <code>true</code> if the specified eventType is
* hooked, and <code>false</code> otherwise. Implementations
* of SWT can avoid creating objects and sending events
* when an event happens in the operating system but
* there are no listeners hooked for the event.
*
* @param eventType the event to be checked
*
* @return <code>true</code> when the eventType is hooked and <code>false</code> otherwise
*
* @see #isListening
*/
boolean hooks (int eventType) {
if (eventTable == null) return false;
return eventTable.hooks (eventType);
}
int /*long*/ hoverProc (int /*long*/ widget) {
return 0;
}
int /*long*/ menuPositionProc (int /*long*/ menu, int /*long*/ x, int /*long*/ y, int /*long*/ push_in, int /*long*/ user_data) {
return 0;
}
boolean mnemonicHit (int /*long*/ mnemonicHandle, char key) {
if (!mnemonicMatch (mnemonicHandle, key)) return false;
OS.g_signal_handlers_block_matched (mnemonicHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, MNEMONIC_ACTIVATE);
boolean result = OS.gtk_widget_mnemonic_activate (mnemonicHandle, false);
OS.g_signal_handlers_unblock_matched (mnemonicHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, MNEMONIC_ACTIVATE);
return result;
}
boolean mnemonicMatch (int /*long*/ mnemonicHandle, char key) {
int keyval1 = OS.gdk_keyval_to_lower (OS.gdk_unicode_to_keyval (key));
int keyval2 = OS.gdk_keyval_to_lower (OS.gtk_label_get_mnemonic_keyval (mnemonicHandle));
return keyval1 == keyval2;
}
void modifyStyle (int /*long*/ handle, int /*long*/ style) {
OS.gtk_widget_modify_style (handle, style);
}
/**
* Notifies all of the receiver's listeners for events
* of the given type that one such event has occurred by
* invoking their <code>handleEvent()</code> method. The
* event type is one of the event constants defined in class
* <code>SWT</code>.
*
* @param eventType the type of event which has occurred
* @param event the event 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>
*
* @see SWT
* @see #addListener
* @see #getListeners(int)
* @see #removeListener(int, Listener)
*/
public void notifyListeners (int eventType, Event event) {
checkWidget();
if (event == null) event = new Event ();
sendEvent (eventType, event);
}
void postEvent (int eventType) {
sendEvent (eventType, null, false);
}
void postEvent (int eventType, Event event) {
sendEvent (eventType, event, false);
}
void register () {
if (handle == 0) return;
if ((state & HANDLE) != 0) display.addWidget (handle, this);
}
void release (boolean destroy) {
if ((state & DISPOSE_SENT) == 0) {
state |= DISPOSE_SENT;
sendEvent (SWT.Dispose);
}
if ((state & DISPOSED) == 0) {
releaseChildren (destroy);
}
if ((state & RELEASED) == 0) {
state |= RELEASED;
if (destroy) {
releaseParent ();
releaseWidget ();
destroyWidget ();
} else {
releaseWidget ();
releaseHandle ();
}
}
}
void releaseChildren (boolean destroy) {
}
void releaseHandle () {
handle = 0;
state |= DISPOSED;
display = null;
}
void releaseParent () {
/* Do nothing */
}
void releaseWidget () {
deregister ();
eventTable = null;
data = null;
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an event of the given type occurs. The event
* type is one of the event constants defined in class <code>SWT</code>.
*
* @param eventType the type of event to listen for
* @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 Listener
* @see SWT
* @see #addListener
* @see #getListeners(int)
* @see #notifyListeners
*/
public void removeListener (int eventType, Listener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (eventType, listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an event of the given type occurs.
* <p>
* <b>IMPORTANT:</b> This method is <em>not</em> part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It should never be
* referenced from application code.
* </p>
*
* @param eventType the type of event to listen for
* @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 Listener
* @see #addListener
*
* @noreference This method is not intended to be referenced by clients.
*/
protected void removeListener (int eventType, SWTEventListener handler) {
checkWidget ();
if (handler == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (eventType, handler);
}
int /*long*/ rendererGetSizeProc (int /*long*/ cell, int /*long*/ handle, int /*long*/ cell_area, int /*long*/ x_offset, int /*long*/ y_offset, int /*long*/ width, int /*long*/ height) {
return 0;
}
int /*long*/ rendererRenderProc (int /*long*/ cell, int /*long*/ window, int /*long*/ handle, int /*long*/ background_area, int /*long*/ cell_area, int /*long*/ expose_area, int /*long*/ flags) {
return 0;
}
/**
* Marks the widget to be skinned.
* <p>
* The skin event is sent to the receiver's display when appropriate (usually before the next event
* is handled). Widgets are automatically marked for skinning upon creation as well as when its skin
* id or class changes. The skin id and/or class can be changed by calling <code>Display.setData(String, Object)</code>
* with the keys SWT.SKIN_ID and/or SWT.SKIN_CLASS. Once the skin event is sent to a widget, it
* will not be sent again unless <code>reskin(int)</code> is called on the widget or on an ancestor
* while specifying the <code>SWT.ALL</code> flag.
* </p>
* <p>
* The parameter <code>flags</code> may be either:
* <dl>
* <dt><b>SWT.ALL</b></dt>
* <dd>all children in the receiver's widget tree should be skinned</dd>
* <dt><b>SWT.NONE</b></dt>
* <dd>only the receiver should be skinned</dd>
* </dl>
* </p>
* @param flags the flags specifying how to reskin
*
* @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 3.6
*/
public void reskin (int flags) {
checkWidget ();
reskinWidget ();
if ((flags & SWT.ALL) != 0) reskinChildren (flags);
}
void reskinChildren (int flags) {
}
void reskinWidget() {
if ((state & SKIN_NEEDED) != SKIN_NEEDED) {
this.state |= SKIN_NEEDED;
display.addSkinnableWidget(this);
}
}
/**
* Removes the listener from the collection of listeners who will
* be notified when the widget is disposed.
*
* @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 DisposeListener
* @see #addDisposeListener
*/
public void removeDisposeListener (DisposeListener listener) {
checkWidget ();
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
if (eventTable == null) return;
eventTable.unhook (SWT.Dispose, listener);
}
void sendEvent (Event event) {
Display display = event.display;
if (!display.filterEvent (event)) {
if (eventTable != null) eventTable.sendEvent (event);
}
}
void sendEvent (int eventType) {
sendEvent (eventType, null, true);
}
void sendEvent (int eventType, Event event) {
sendEvent (eventType, event, true);
}
void sendEvent (int eventType, Event event, boolean send) {
if (eventTable == null && !display.filters (eventType)) {
return;
}
if (event == null) event = new Event ();
event.type = eventType;
event.display = display;
event.widget = this;
if (event.time == 0) {
event.time = display.getLastEventTime ();
}
if (send) {
sendEvent (event);
} else {
display.postEvent (event);
}
}
boolean sendKeyEvent (int type, GdkEventKey keyEvent) {
int length = keyEvent.length;
if (keyEvent.string == 0 || OS.g_utf16_strlen (keyEvent.string, length) <= 1) {
Event event = new Event ();
event.time = keyEvent.time;
if (!setKeyState (event, keyEvent)) return true;
sendEvent (type, event);
// widget could be disposed at this point
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the key
* events. If this happens, end the processing of
* the key by returning false.
*/
if (isDisposed ()) return false;
return event.doit;
}
byte [] buffer = new byte [length];
OS.memmove (buffer, keyEvent.string, length);
char [] chars = Converter.mbcsToWcs (null, buffer);
return sendIMKeyEvent (type, keyEvent, chars) != null;
}
char [] sendIMKeyEvent (int type, GdkEventKey keyEvent, char [] chars) {
int index = 0, count = 0, state = 0;
int /*long*/ ptr = 0;
if (keyEvent == null) {
ptr = OS.gtk_get_current_event ();
if (ptr != 0) {
keyEvent = new GdkEventKey ();
OS.memmove (keyEvent, ptr, GdkEventKey.sizeof);
switch (keyEvent.type) {
case OS.GDK_KEY_PRESS:
case OS.GDK_KEY_RELEASE:
state = keyEvent.state;
break;
default:
keyEvent = null;
break;
}
}
}
if (keyEvent == null) {
int [] buffer = new int [1];
OS.gtk_get_current_event_state (buffer);
state = buffer [0];
}
while (index < chars.length) {
Event event = new Event ();
if (keyEvent != null && chars.length <= 1) {
setKeyState (event, keyEvent);
} else {
setInputState (event, state);
}
event.character = chars [index];
sendEvent (type, event);
/*
* It is possible (but unlikely), that application
* code could have disposed the widget in the key
* events. If this happens, end the processing of
* the key by returning null.
*/
if (isDisposed ()) {
if (ptr != 0) OS.gdk_event_free (ptr);
return null;
}
if (event.doit) chars [count++] = chars [index];
index++;
}
if (ptr != 0) OS.gdk_event_free (ptr);
if (count == 0) return null;
if (index != count) {
char [] result = new char [count];
System.arraycopy (chars, 0, result, 0, count);
return result;
}
return chars;
}
void sendSelectionEvent (int eventType) {
sendSelectionEvent (eventType, null, false);
}
void sendSelectionEvent (int eventType, Event event, boolean send) {
if (eventTable == null && !display.filters (eventType)) {
return;
}
if (event == null) event = new Event ();
int /*long*/ ptr = OS.gtk_get_current_event ();
if (ptr != 0) {
GdkEvent gdkEvent = new GdkEvent ();
OS.memmove (gdkEvent, ptr, GdkEvent.sizeof);
switch (gdkEvent.type) {
case OS.GDK_KEY_PRESS:
case OS.GDK_KEY_RELEASE:
case OS.GDK_BUTTON_PRESS:
case OS.GDK_2BUTTON_PRESS:
case OS.GDK_BUTTON_RELEASE: {
int [] state = new int [1];
OS.gdk_event_get_state (ptr, state);
setInputState (event, state [0]);
break;
}
}
OS.gdk_event_free (ptr);
}
sendEvent (eventType, event, send);
}
/**
* Sets the application defined widget data associated
* with the receiver to be the argument. The <em>widget
* data</em> is a single, unnamed field that is stored
* with every widget.
* <p>
* Applications may put arbitrary objects in this field. If
* the object stored in the widget data needs to be notified
* when the widget is disposed of, it is the application's
* responsibility to hook the Dispose event on the widget and
* do so.
* </p>
*
* @param data the widget data
*
* @exception SWTException <ul>
* <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li>
* <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li>
* </ul>
*
* @see #getData()
*/
public void setData (Object data) {
checkWidget();
if ((state & KEYED_DATA) != 0) {
((Object []) this.data) [0] = data;
} else {
this.data = data;
}
}
/**
* Sets the application defined property of the receiver
* with the specified name to the given value.
* <p>
* Applications may associate arbitrary objects with the
* receiver in this fashion. If the objects stored in the
* properties need to be notified when the widget is disposed
* of, it is the application's responsibility to hook the
* Dispose event on the widget and do so.
* </p>
*
* @param key the name of the property
* @param value the new value for the property
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT - if the key 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 #getData(String)
*/
public void setData (String key, Object value) {
checkWidget();
if (key == null) error (SWT.ERROR_NULL_ARGUMENT);
if (key.equals (KEY_CHECK_SUBWINDOW)) {
if (value != null && value instanceof Boolean) {
if (((Boolean)value).booleanValue ()) {
state |= CHECK_SUBWINDOW;
} else {
state &= ~CHECK_SUBWINDOW;
}
}
return;
}
int index = 1;
Object [] table = null;
if ((state & KEYED_DATA) != 0) {
table = (Object []) data;
while (index < table.length) {
if (key.equals (table [index])) break;
index += 2;
}
}
if (value != null) {
if ((state & KEYED_DATA) != 0) {
if (index == table.length) {
Object [] newTable = new Object [table.length + 2];
System.arraycopy (table, 0, newTable, 0, table.length);
data = table = newTable;
}
} else {
table = new Object [3];
table [0] = data;
data = table;
state |= KEYED_DATA;
}
table [index] = key;
table [index + 1] = value;
} else {
if ((state & KEYED_DATA) != 0) {
if (index != table.length) {
int length = table.length - 2;
if (length == 1) {
data = table [0];
state &= ~KEYED_DATA;
} else {
Object [] newTable = new Object [length];
System.arraycopy (table, 0, newTable, 0, index);
System.arraycopy (table, index + 2, newTable, index, length - index);
data = newTable;
}
}
}
}
if (key.equals(SWT.SKIN_CLASS) || key.equals(SWT.SKIN_ID)) this.reskin(SWT.ALL);
}
void setForegroundColor (int /*long*/ handle, GdkColor color) {
int /*long*/ style = OS.gtk_widget_get_modifier_style (handle);
OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_NORMAL, color);
OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_ACTIVE, color);
OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_PRELIGHT, color);
int flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL);
flags = (color == null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_NORMAL, flags);
flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_ACTIVE);
flags = (color == null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_ACTIVE, flags);
flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_PRELIGHT);
flags = (color == null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_PRELIGHT, flags);
OS.gtk_rc_style_set_text (style, OS.GTK_STATE_NORMAL, color);
OS.gtk_rc_style_set_text (style, OS.GTK_STATE_ACTIVE, color);
OS.gtk_rc_style_set_text (style, OS.GTK_STATE_PRELIGHT, color);
flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL);
flags = (color == null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_NORMAL, flags);
flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_PRELIGHT);
flags = (color == null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_PRELIGHT, flags);
flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_ACTIVE);
flags = (color == null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT;
OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_ACTIVE, flags);
modifyStyle (handle, style);
}
boolean setInputState (Event event, int state) {
if ((state & OS.GDK_MOD1_MASK) != 0) event.stateMask |= SWT.ALT;
if ((state & OS.GDK_SHIFT_MASK) != 0) event.stateMask |= SWT.SHIFT;
if ((state & OS.GDK_CONTROL_MASK) != 0) event.stateMask |= SWT.CONTROL;
if ((state & OS.GDK_BUTTON1_MASK) != 0) event.stateMask |= SWT.BUTTON1;
if ((state & OS.GDK_BUTTON2_MASK) != 0) event.stateMask |= SWT.BUTTON2;
if ((state & OS.GDK_BUTTON3_MASK) != 0) event.stateMask |= SWT.BUTTON3;
return true;
}
boolean setKeyState (Event event, GdkEventKey keyEvent) {
if (keyEvent.string != 0 && OS.g_utf16_strlen (keyEvent.string, keyEvent.length) > 1) return false;
boolean isNull = false;
event.keyCode = Display.translateKey (keyEvent.keyval);
switch (keyEvent.keyval) {
case OS.GDK_BackSpace: event.character = SWT.BS; break;
case OS.GDK_Linefeed: event.character = SWT.LF; break;
case OS.GDK_KP_Enter:
case OS.GDK_Return: event.character = SWT.CR; break;
case OS.GDK_KP_Delete:
case OS.GDK_Delete: event.character = SWT.DEL; break;
case OS.GDK_Escape: event.character = SWT.ESC; break;
case OS.GDK_Tab:
case OS.GDK_ISO_Left_Tab: event.character = SWT.TAB; break;
default: {
if (event.keyCode == 0) {
int [] keyval = new int [1], effective_group= new int [1], level = new int [1], consumed_modifiers = new int [1];
if (OS.gdk_keymap_translate_keyboard_state(OS.gdk_keymap_get_default (), keyEvent.hardware_keycode, 0, keyEvent.group, keyval, effective_group, level, consumed_modifiers)) {
event.keyCode = OS.gdk_keyval_to_unicode (keyval [0]);
}
}
int key = keyEvent.keyval;
if ((keyEvent.state & OS.GDK_CONTROL_MASK) != 0 && (0 <= key && key <= 0x7F)) {
if ('a' <= key && key <= 'z') key -= 'a' - 'A';
if (64 <= key && key <= 95) key -= 64;
event.character = (char) key;
isNull = keyEvent.keyval == '@' && key == 0;
} else {
event.character = (char) OS.gdk_keyval_to_unicode (key);
}
}
}
setLocationState(event, keyEvent);
if (event.keyCode == 0 && event.character == 0) {
if (!isNull) return false;
}
return setInputState (event, keyEvent.state);
}
void setLocationState (Event event, GdkEventKey keyEvent) {
switch (keyEvent.keyval) {
case OS.GDK_Alt_L:
case OS.GDK_Shift_L:
case OS.GDK_Control_L:
event.keyLocation = SWT.LEFT;
break;
case OS.GDK_Alt_R:
case OS.GDK_Shift_R:
case OS.GDK_Control_R:
event.keyLocation = SWT.RIGHT;
break;
case OS.GDK_KP_0:
case OS.GDK_KP_1:
case OS.GDK_KP_2:
case OS.GDK_KP_3:
case OS.GDK_KP_4:
case OS.GDK_KP_5:
case OS.GDK_KP_6:
case OS.GDK_KP_7:
case OS.GDK_KP_8:
case OS.GDK_KP_9:
case OS.GDK_KP_Add:
case OS.GDK_KP_Decimal:
case OS.GDK_KP_Delete:
case OS.GDK_KP_Divide:
case OS.GDK_KP_Down:
case OS.GDK_KP_End:
case OS.GDK_KP_Enter:
case OS.GDK_KP_Equal:
case OS.GDK_KP_Home:
case OS.GDK_KP_Insert:
case OS.GDK_KP_Left:
case OS.GDK_KP_Multiply:
case OS.GDK_KP_Page_Down:
case OS.GDK_KP_Page_Up:
case OS.GDK_KP_Right:
case OS.GDK_KP_Subtract:
case OS.GDK_KP_Up:
case OS.GDK_Num_Lock:
event.keyLocation = SWT.KEYPAD;
break;
}
}
void setOrientation (boolean create) {
}
boolean setTabGroupFocus (boolean next) {
return setTabItemFocus (next);
}
boolean setTabItemFocus (boolean next) {
return false;
}
int /*long*/ shellMapProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ user_data) {
return 0;
}
int /*long*/ sizeAllocateProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ user_data) {
return 0;
}
int /*long*/ sizeRequestProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ user_data) {
return 0;
}
/**
* Returns a string containing a concise, human-readable
* description of the receiver.
*
* @return a string representation of the receiver
*/
public String toString () {
String string = "*Disposed*";
if (!isDisposed ()) {
string = "*Wrong Thread*";
if (isValidThread ()) string = getNameText ();
}
return getName () + " {" + string + "}";
}
int /*long*/ topHandle () {
return handle;
}
int /*long*/ timerProc (int /*long*/ widget) {
return 0;
}
boolean translateTraversal (int event) {
return false;
}
int /*long*/ windowProc (int /*long*/ handle, int /*long*/ user_data) {
switch ((int)/*64*/user_data) {
case ACTIVATE: return gtk_activate (handle);
case CHANGED: return gtk_changed (handle);
case CLICKED: return gtk_clicked (handle);
case DAY_SELECTED: return gtk_day_selected (handle);
case DAY_SELECTED_DOUBLE_CLICK: return gtk_day_selected_double_click (handle);
case HIDE: return gtk_hide (handle);
case GRAB_FOCUS: return gtk_grab_focus (handle);
case MAP: return gtk_map (handle);
case MONTH_CHANGED: return gtk_month_changed (handle);
case OUTPUT: return gtk_output (handle);
case POPUP_MENU: return gtk_popup_menu (handle);
case PREEDIT_CHANGED: return gtk_preedit_changed (handle);
case REALIZE: return gtk_realize (handle);
case START_INTERACTIVE_SEARCH: return gtk_start_interactive_search (handle);
case SELECT: return gtk_select (handle);
case SELECTION_DONE: return gtk_selection_done (handle);
case SHOW: return gtk_show (handle);
case VALUE_CHANGED: return gtk_value_changed (handle);
case UNMAP: return gtk_unmap (handle);
case UNREALIZE: return gtk_unrealize (handle);
default: return 0;
}
}
int /*long*/ windowProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ user_data) {
switch ((int)/*64*/user_data) {
case EXPOSE_EVENT_INVERSE: {
GdkEventExpose gdkEvent = new GdkEventExpose ();
OS.memmove (gdkEvent, arg0, GdkEventExpose.sizeof);
int /*long*/ paintWindow = paintWindow();
int /*long*/ window = gdkEvent.window;
if (window != paintWindow) return 0;
return (state & OBSCURED) != 0 ? 1 : 0;
}
case BUTTON_PRESS_EVENT_INVERSE:
case BUTTON_RELEASE_EVENT_INVERSE:
case MOTION_NOTIFY_EVENT_INVERSE: {
return 1;
}
case BUTTON_PRESS_EVENT: return gtk_button_press_event (handle, arg0);
case BUTTON_RELEASE_EVENT: return gtk_button_release_event (handle, arg0);
case COMMIT: return gtk_commit (handle, arg0);
case CONFIGURE_EVENT: return gtk_configure_event (handle, arg0);
case DELETE_EVENT: return gtk_delete_event (handle, arg0);
case ENTER_NOTIFY_EVENT: return gtk_enter_notify_event (handle, arg0);
case EVENT: return gtk_event (handle, arg0);
case EVENT_AFTER: return gtk_event_after (handle, arg0);
case EXPOSE_EVENT: return gtk_expose_event (handle, arg0);
case FOCUS: return gtk_focus (handle, arg0);
case FOCUS_IN_EVENT: return gtk_focus_in_event (handle, arg0);
case FOCUS_OUT_EVENT: return gtk_focus_out_event (handle, arg0);
case KEY_PRESS_EVENT: return gtk_key_press_event (handle, arg0);
case KEY_RELEASE_EVENT: return gtk_key_release_event (handle, arg0);
case INPUT: return gtk_input (handle, arg0);
case LEAVE_NOTIFY_EVENT: return gtk_leave_notify_event (handle, arg0);
case MAP_EVENT: return gtk_map_event (handle, arg0);
case MNEMONIC_ACTIVATE: return gtk_mnemonic_activate (handle, arg0);
case MOTION_NOTIFY_EVENT: return gtk_motion_notify_event (handle, arg0);
case MOVE_FOCUS: return gtk_move_focus (handle, arg0);
case POPULATE_POPUP: return gtk_populate_popup (handle, arg0);
case SCROLL_EVENT: return gtk_scroll_event (handle, arg0);
case SHOW_HELP: return gtk_show_help (handle, arg0);
case SIZE_ALLOCATE: return gtk_size_allocate (handle, arg0);
case STYLE_SET: return gtk_style_set (handle, arg0);
case TOGGLED: return gtk_toggled (handle, arg0);
case UNMAP_EVENT: return gtk_unmap_event (handle, arg0);
case VISIBILITY_NOTIFY_EVENT: return gtk_visibility_notify_event (handle, arg0);
case WINDOW_STATE_EVENT: return gtk_window_state_event (handle, arg0);
case ROW_DELETED: return gtk_row_deleted (handle, arg0);
default: return 0;
}
}
int /*long*/ windowProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ arg1, int /*long*/ user_data) {
switch ((int)/*64*/user_data) {
case DELETE_RANGE: return gtk_delete_range (handle, arg0, arg1);
case DELETE_TEXT: return gtk_delete_text (handle, arg0, arg1);
case ICON_RELEASE: return gtk_icon_release (handle, arg0, arg1);
case ROW_ACTIVATED: return gtk_row_activated (handle, arg0, arg1);
case SCROLL_CHILD: return gtk_scroll_child (handle, arg0, arg1);
case STATUS_ICON_POPUP_MENU: return gtk_status_icon_popup_menu (handle, arg0, arg1);
case SWITCH_PAGE: return gtk_switch_page (handle, arg0, arg1);
case TEST_COLLAPSE_ROW: return gtk_test_collapse_row (handle, arg0, arg1);
case TEST_EXPAND_ROW: return gtk_test_expand_row(handle, arg0, arg1);
case ROW_INSERTED: return gtk_row_inserted (handle, arg0, arg1);
default: return 0;
}
}
int /*long*/ windowProc (int /*long*/ handle, int /*long*/ arg0, int /*long*/ arg1, int /*long*/ arg2, int /*long*/ user_data) {
switch ((int)/*64*/user_data) {
case CHANGE_VALUE: return gtk_change_value (handle, arg0, arg1, arg2);
case EXPAND_COLLAPSE_CURSOR_ROW: return gtk_expand_collapse_cursor_row (handle, arg0, arg1, arg2);
case INSERT_TEXT: return gtk_insert_text (handle, arg0, arg1, arg2);
case TEXT_BUFFER_INSERT_TEXT: return gtk_text_buffer_insert_text (handle, arg0, arg1, arg2);
default: return 0;
}
}
}
