restore HEAD after accidental deletion by error in automated build script

1 files changed, 441 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Sash.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Sash.java
new file mode 100644
index 0000000000..4c5d29ce0a
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Sash.java
@@ -0,0 +1,441 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 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.gtk.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.events.*;
+
+/**
+ * Instances of the receiver represent a selectable user interface object
+ * that allows the user to drag a rubber banded outline of the sash within
+ * the parent control.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>HORIZONTAL, VERTICAL, SMOOTH</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
+ * </p><p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#sash">Sash snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</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 Sash extends Control {
+	boolean dragging;
+	int startX, startY, lastX, lastY;
+	int /*long*/ defaultCursor;
+
+	private final static int INCREMENT = 1;
+	private final static int PAGE_INCREMENT = 9;
+
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>SWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together 
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>SWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see SWT#SMOOTH
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Sash (Composite parent, int style) {
+	super (parent, checkStyle (style));
+}
+
+/**
+ * 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, the x, y, width, and height fields of the event object are valid.
+ * If the receiver is being dragged, the event object detail field contains the value <code>SWT.DRAG</code>.
+ * <code>widgetDefaultSelected</code> is not called.
+ * </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);
+}
+
+static int checkStyle (int style) {
+	return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
+	if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
+	int border = getBorderWidth ();
+	int width = border * 2, height = border * 2;
+	if ((style & SWT.HORIZONTAL) != 0) {
+		width += DEFAULT_WIDTH;  height += 3;
+	} else {
+		width += 3; height += DEFAULT_HEIGHT;
+	}
+	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
+	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
+	return new Point (width, height);
+}
+
+void createHandle (int index) {
+	state |= HANDLE | THEME_BACKGROUND;
+	handle = OS.g_object_new (display.gtk_fixed_get_type (), 0);
+	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
+	OS.gtk_fixed_set_has_window (handle, true);
+	OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS);
+	int type = (style & SWT.VERTICAL) != 0 ? OS.GDK_SB_H_DOUBLE_ARROW : OS.GDK_SB_V_DOUBLE_ARROW;
+	defaultCursor = OS.gdk_cursor_new (type);
+}
+
+void drawBand (int x, int y, int width, int height) {
+	if ((style & SWT.SMOOTH) != 0) return;
+	int /*long*/ window = OS.GTK_WIDGET_WINDOW (parent.paintHandle());
+	if (window == 0) return;
+	byte [] bits = {-86, 85, -86, 85, -86, 85, -86, 85};
+	int /*long*/ stipplePixmap = OS.gdk_bitmap_create_from_data (window, bits, 8, 8);
+	int /*long*/ gc = OS.gdk_gc_new (window);
+	int /*long*/ colormap = OS.gdk_colormap_get_system();
+	GdkColor color = new GdkColor ();
+	OS.gdk_color_white (colormap, color);
+	OS.gdk_gc_set_foreground (gc, color);	
+	OS.gdk_gc_set_stipple (gc, stipplePixmap);
+	OS.gdk_gc_set_subwindow (gc, OS.GDK_INCLUDE_INFERIORS);
+	OS.gdk_gc_set_fill (gc, OS.GDK_STIPPLED);
+	OS.gdk_gc_set_function (gc, OS.GDK_XOR);
+	OS.gdk_draw_rectangle (window, gc, 1, x, y, width, height);	
+	OS.g_object_unref (stipplePixmap);
+	OS.g_object_unref (gc);
+}
+
+int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ eventPtr) {
+	int /*long*/ result = super.gtk_button_press_event (widget, eventPtr);
+	if (result != 0) return result;
+	GdkEventButton gdkEvent = new GdkEventButton ();
+	OS.memmove (gdkEvent, eventPtr, GdkEventButton.sizeof);
+	int button = gdkEvent.button;
+	if (button != 1) return 0;
+	if (gdkEvent.type == OS.GDK_2BUTTON_PRESS) return 0;
+	if (gdkEvent.type == OS.GDK_3BUTTON_PRESS) return 0;
+	int /*long*/ window = OS.GTK_WIDGET_WINDOW (widget);
+	int [] origin_x = new int [1], origin_y = new int [1];
+	OS.gdk_window_get_origin (window, origin_x, origin_y);
+	startX = (int) (gdkEvent.x_root - origin_x [0]);
+	startY = (int) (gdkEvent.y_root - origin_y [0]);
+	int x = OS.GTK_WIDGET_X (handle);
+	int y = OS.GTK_WIDGET_Y (handle);
+	int width = OS.GTK_WIDGET_WIDTH (handle);
+	int height = OS.GTK_WIDGET_HEIGHT (handle);
+	lastX = x; 
+	lastY = y;
+	Event event = new Event ();
+	event.time = gdkEvent.time;
+	event.x = lastX;
+	event.y = lastY;
+	event.width = width;
+	event.height = height;
+	if ((style & SWT.SMOOTH) == 0) {
+		event.detail = SWT.DRAG;
+	}
+	if ((parent.style & SWT.MIRRORED) != 0) event.x = parent.getClientWidth () - width  - event.x;
+	sendEvent (SWT.Selection, event);
+	if (isDisposed ()) return 0;
+	if (event.doit) {
+		dragging = true;
+		lastX = event.x;
+		lastY = event.y;
+		if ((parent.style & SWT.MIRRORED) != 0) lastX = parent.getClientWidth () - width  - lastX;
+		parent.update (true, (style & SWT.SMOOTH) == 0);
+		drawBand (lastX, event.y, width, height);
+		if ((style & SWT.SMOOTH) != 0) {
+			setBounds (event.x, event.y, width, height);
+			// widget could be disposed at this point
+		}
+	}
+	return result;	
+}
+
+int /*long*/ gtk_button_release_event (int /*long*/ widget, int /*long*/ eventPtr) {
+	int /*long*/ result = super.gtk_button_release_event (widget, eventPtr);
+	if (result != 0) return result;
+	GdkEventButton gdkEvent = new GdkEventButton ();
+	OS.memmove (gdkEvent, eventPtr, GdkEventButton.sizeof);
+	int button = gdkEvent.button;
+	if (button != 1) return 0;
+	if (!dragging) return 0;
+	dragging = false;
+	int width = OS.GTK_WIDGET_WIDTH (handle);
+	int height = OS.GTK_WIDGET_HEIGHT (handle);
+	Event event = new Event ();
+	event.time = gdkEvent.time;
+	event.x = lastX;
+	event.y = lastY;
+	event.width = width;
+	event.height = height;
+	drawBand (lastX, lastY, width, height);
+	if ((parent.style & SWT.MIRRORED) != 0) event.x = parent.getClientWidth () - width  - event.x;
+	sendEvent (SWT.Selection, event);
+	if (isDisposed ()) return result;
+	if (event.doit) {
+		if ((style & SWT.SMOOTH) != 0) {
+			setBounds (event.x, event.y, width, height);
+			// widget could be disposed at this point
+		}
+	}
+	return result;
+}
+
+int /*long*/ gtk_focus_in_event (int /*long*/ widget, int /*long*/ event) {
+	int /*long*/ result = super.gtk_focus_in_event (widget, event);
+	if (result != 0) return result;
+	// widget could be disposed at this point
+	if (handle != 0) {
+			lastX = OS.GTK_WIDGET_X (handle);
+			lastY = OS.GTK_WIDGET_Y (handle);
+	}
+	return 0;
+}
+
+int /*long*/ gtk_key_press_event (int /*long*/ widget, int /*long*/ eventPtr) {
+	int /*long*/ result = super.gtk_key_press_event (widget, eventPtr);
+	if (result != 0) return result;
+	GdkEventKey gdkEvent = new GdkEventKey ();
+	OS.memmove (gdkEvent, eventPtr, GdkEventKey.sizeof);
+	int keyval = gdkEvent.keyval;
+	switch (keyval) {
+		case OS.GDK_Left:
+		case OS.GDK_Right:
+		case OS.GDK_Up:
+		case OS.GDK_Down:
+			int xChange = 0, yChange = 0;
+			int stepSize = PAGE_INCREMENT;
+			if ((gdkEvent.state & OS.GDK_CONTROL_MASK) != 0) stepSize = INCREMENT;
+			if ((style & SWT.VERTICAL) != 0) {
+				if (keyval == OS.GDK_Up || keyval == OS.GDK_Down) break;
+				xChange = keyval == OS.GDK_Left ? -stepSize : stepSize;
+			} else {
+				if (keyval == OS.GDK_Left ||keyval == OS.GDK_Right) break;
+				yChange = keyval == OS.GDK_Up ? -stepSize : stepSize;
+			}
+			
+			int width = OS.GTK_WIDGET_WIDTH (handle);
+			int height = OS.GTK_WIDGET_HEIGHT (handle);
+			int parentBorder = 0;
+			int parentWidth = OS.GTK_WIDGET_WIDTH (parent.handle);
+			int parentHeight = OS.GTK_WIDGET_HEIGHT (parent.handle);
+			int newX = lastX, newY = lastY;
+			if ((style & SWT.VERTICAL) != 0) {
+				newX = Math.min (Math.max (0, lastX + xChange - parentBorder - startX), parentWidth - width);
+			} else {
+				newY = Math.min (Math.max (0, lastY + yChange - parentBorder - startY), parentHeight - height);
+			}
+			if (newX == lastX && newY == lastY) return result;
+			
+			/* Ensure that the pointer image does not change */
+			int /*long*/ window = OS.GTK_WIDGET_WINDOW (handle);
+			int grabMask = OS.GDK_POINTER_MOTION_MASK | OS.GDK_BUTTON_RELEASE_MASK;
+			int /*long*/ gdkCursor = cursor != null ? cursor.handle : defaultCursor;
+			int ptrGrabResult = OS.gdk_pointer_grab (window, false, grabMask, window, gdkCursor, OS.GDK_CURRENT_TIME);
+
+			/* The event must be sent because its doit flag is used. */
+			Event event = new Event ();
+			event.time = gdkEvent.time;
+			event.x = newX;
+			event.y = newY;
+			event.width = width;
+			event.height = height;
+			if ((parent.style & SWT.MIRRORED) != 0) event.x = parent.getClientWidth () - width  - event.x;
+			sendEvent (SWT.Selection, event);
+			if (ptrGrabResult == OS.GDK_GRAB_SUCCESS) OS.gdk_pointer_ungrab (OS.GDK_CURRENT_TIME);
+			if (isDisposed ()) break;
+			
+			if (event.doit) {
+				lastX = event.x;
+				lastY = event.y;
+				if ((parent.style & SWT.MIRRORED) != 0) lastX = parent.getClientWidth () - width  - lastX;
+				if ((style & SWT.SMOOTH) != 0) {
+					setBounds (event.x, event.y, width, height);
+					if (isDisposed ()) break;
+				}
+				int cursorX = event.x, cursorY = event.y;
+				if ((style & SWT.VERTICAL) != 0) {
+					cursorY += height / 2;
+				} else {
+					cursorX += width / 2;
+				}
+				display.setCursorLocation (parent.toDisplay (cursorX, cursorY));
+			}
+			break;
+	}
+
+	return result;
+}
+
+int /*long*/ gtk_motion_notify_event (int /*long*/ widget, int /*long*/ eventPtr) {
+	int /*long*/ result = super.gtk_motion_notify_event (widget, eventPtr);
+	if (result != 0) return result;
+	if (!dragging) return 0;
+	GdkEventMotion gdkEvent = new GdkEventMotion ();
+	OS.memmove (gdkEvent, eventPtr, GdkEventButton.sizeof);
+	int eventX, eventY, eventState;
+	if (gdkEvent.is_hint != 0) {
+		int [] pointer_x = new int [1], pointer_y = new int [1], mask = new int [1];
+		OS.gdk_window_get_pointer (gdkEvent.window, pointer_x, pointer_y, mask);
+		eventX = pointer_x [0];
+		eventY = pointer_y [0];
+		eventState = mask [0];
+	} else {
+		int [] origin_x = new int [1], origin_y = new int [1];
+		OS.gdk_window_get_origin (gdkEvent.window, origin_x, origin_y);	
+		eventX = (int) (gdkEvent.x_root - origin_x [0]);
+		eventY = (int) (gdkEvent.y_root - origin_y [0]);
+		eventState = gdkEvent.state;
+	}
+	if ((eventState & OS.GDK_BUTTON1_MASK) == 0) return 0;
+	int x = OS.GTK_WIDGET_X (handle);
+	int y = OS.GTK_WIDGET_Y (handle);
+	int width = OS.GTK_WIDGET_WIDTH (handle);
+	int height = OS.GTK_WIDGET_HEIGHT (handle);
+	int parentBorder = 0;
+	int parentWidth = OS.GTK_WIDGET_WIDTH (parent.handle);
+	int parentHeight = OS.GTK_WIDGET_HEIGHT (parent.handle);
+	int newX = lastX, newY = lastY;
+	if ((style & SWT.VERTICAL) != 0) {
+		newX = Math.min (Math.max (0, eventX + x - startX - parentBorder), parentWidth - width);
+	} else {
+		newY = Math.min (Math.max (0, eventY + y - startY - parentBorder), parentHeight - height);
+	}
+	if (newX == lastX && newY == lastY) return 0;
+	drawBand (lastX, lastY, width, height);
+	
+	Event event = new Event ();
+	event.time = gdkEvent.time;
+	event.x = newX;
+	event.y = newY;
+	event.width = width;
+	event.height = height;
+	if ((style & SWT.SMOOTH) == 0) {
+		event.detail = SWT.DRAG;
+	}
+	if ((parent.style & SWT.MIRRORED) != 0) event.x = parent.getClientWidth() - width  - event.x;
+	sendEvent (SWT.Selection, event);
+	if (isDisposed ()) return 0;
+	if (event.doit) {
+		lastX = event.x;
+		lastY = event.y;
+		if ((parent.style & SWT.MIRRORED) != 0) lastX = parent.getClientWidth () - width  - lastX;
+	}
+	parent.update (true, (style & SWT.SMOOTH) == 0);
+	drawBand (lastX, lastY, width, height);
+	if ((style & SWT.SMOOTH) != 0) {
+		setBounds (event.x, lastY, width, height);
+		// widget could be disposed at this point
+	}
+	return result;
+}
+
+int /*long*/ gtk_realize (int /*long*/ widget) {
+	setCursor (cursor != null ? cursor.handle : 0);
+	return super.gtk_realize (widget);
+}
+
+void hookEvents () {
+	super.hookEvents ();
+	OS.gtk_widget_add_events (handle, OS.GDK_POINTER_MOTION_HINT_MASK);
+}
+
+void releaseWidget () {
+	super.releaseWidget ();
+	if (defaultCursor != 0) OS.gdk_cursor_destroy (defaultCursor);
+	defaultCursor = 0;
+}
+
+/**
+ * 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 setCursor (int /*long*/ cursor) {
+	super.setCursor (cursor != 0 ? cursor : defaultCursor);
+}
+
+int traversalCode (int key, GdkEventKey event) {
+	return 0;
+}
+
+}