diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Composite.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Composite.java | 1496 |
1 files changed, 0 insertions, 1496 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Composite.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Composite.java deleted file mode 100755 index 5b1f0d0d11..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Composite.java +++ /dev/null @@ -1,1496 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - - -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.motif.*; -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; - -/** - * Instances of this class are controls which are capable - * of containing other controls. - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>NO_BACKGROUND, NO_FOCUS, NO_MERGE_PAINTS, NO_REDRAW_RESIZE, NO_RADIO_GROUP, EMBEDDED, DOUBLE_BUFFERED</dd> - * <dt><b>Events:</b></dt> - * <dd>(none)</dd> - * </dl> - * <p> - * Note: The <code>NO_BACKGROUND</code>, <code>NO_FOCUS</code>, <code>NO_MERGE_PAINTS</code>, - * and <code>NO_REDRAW_RESIZE</code> styles are intended for use with <code>Canvas</code>. - * They can be used with <code>Composite</code> if you are drawing your own, but their - * behavior is undefined if they are used with subclasses of <code>Composite</code> other - * than <code>Canvas</code>. - * </p><p> - * Note: The <code>CENTER</code> style, although undefined for composites, has the - * same value as <code>EMBEDDED</code> (which is used to embed widgets from other - * widget toolkits into SWT). On some operating systems (GTK, Motif), this may cause - * the children of this composite to be obscured. The <code>EMBEDDED</code> style - * is for use by other widget toolkits and should normally never be used. - * </p><p> - * This class may be subclassed by custom control implementors - * who are building controls that are constructed from aggregates - * of other controls. - * </p> - * - * @see Canvas - */ -public class Composite extends Scrollable { - Layout layout; - public int embeddedHandle; - int focusHandle, damagedRegion, clientWindow; - Control [] tabList; - int layoutCount, backgroundMode; - - static byte [] _XEMBED_INFO = Converter.wcsToMbcs (null, "_XEMBED_INFO", true); - static byte[] _XEMBED = Converter.wcsToMbcs (null, "_XEMBED", true); - -Composite () { - /* Do nothing */ -} -/** - * 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> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> - * </ul> - * - * @see SWT#NO_BACKGROUND - * @see SWT#NO_FOCUS - * @see SWT#NO_MERGE_PAINTS - * @see SWT#NO_REDRAW_RESIZE - * @see SWT#NO_RADIO_GROUP - * @see Widget#getStyle - */ -public Composite (Composite parent, int style) { - super (parent, style); -} -Control [] _getChildren () { - int [] argList = {OS.XmNchildren, 0, OS.XmNnumChildren, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - int ptr = argList [1], count = argList [3]; - if (count == 0 || ptr == 0) return new Control [0]; - int [] handles = new int [count]; - OS.memmove (handles, ptr, count * 4); - int length = focusHandle != 0 ? count - 1 : count; - Control [] children = new Control [length]; - int i = 0, j = 0; - while (i < count) { - int handle = handles [i]; - if (handle != 0) { - Widget widget = display.getWidget (handle); - if (widget != null && widget != this) { - if (widget instanceof Control) { - children [j++] = (Control) widget; - } - } - } - i++; - } - if (j == length) return children; - Control [] newChildren = new Control [j]; - System.arraycopy (children, 0, newChildren, 0, j); - return newChildren; -} -Control [] _getTabList () { - if (tabList == null) return tabList; - int count = 0; - for (int i=0; i<tabList.length; i++) { - if (!tabList [i].isDisposed ()) count++; - } - if (count == tabList.length) return tabList; - Control [] newList = new Control [count]; - int index = 0; - for (int i=0; i<tabList.length; i++) { - if (!tabList [i].isDisposed ()) { - newList [index++] = tabList [i]; - } - } - tabList = newList; - return tabList; -} -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget(); - Point size; - if (layout != null) { - if ((wHint == SWT.DEFAULT) || (hHint == SWT.DEFAULT)) { - changed |= (state & LAYOUT_CHANGED) != 0; - size = layout.computeSize (this, wHint, hHint, changed); - state &= ~LAYOUT_CHANGED; - } else { - size = new Point (wHint, hHint); - } - } else { - size = minimumSize (wHint, hHint, changed); - } - if (size.x == 0) size.x = DEFAULT_WIDTH; - if (size.y == 0) size.y = DEFAULT_HEIGHT; - if (wHint != SWT.DEFAULT) size.x = wHint; - if (hHint != SWT.DEFAULT) size.y = hHint; - Rectangle trim = computeTrim (0, 0, size.x, size.y); - return new Point (trim.width, trim.height); -} -Control [] computeTabList () { - Control result [] = super.computeTabList (); - if (result.length == 0) return result; - Control [] list = tabList != null ? _getTabList () : _getChildren (); - for (int i=0; i<list.length; i++) { - Control child = list [i]; - Control [] childList = child.computeTabList (); - if (childList.length != 0) { - Control [] newResult = new Control [result.length + childList.length]; - System.arraycopy (result, 0, newResult, 0, result.length); - System.arraycopy (childList, 0, newResult, result.length, childList.length); - result = newResult; - } - } - return result; -} -/** - * Clears any data that has been cached by a Layout for all widgets that - * are in the parent hierarchy of the changed control up to and including the - * receiver. If an ancestor does not have a layout, it is skipped. - * - * @param changed an array of controls that changed state and require a recalculation of size - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> - * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</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> - * - * @since 3.1 - */ -public void changed (Control[] changed) { - checkWidget (); - if (changed == null) error (SWT.ERROR_INVALID_ARGUMENT); - for (int i=0; i<changed.length; i++) { - Control control = changed [i]; - if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); - if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - boolean ancestor = false; - Composite composite = control.parent; - while (composite != null) { - ancestor = composite == this; - if (ancestor) break; - composite = composite.parent; - } - if (!ancestor) error (SWT.ERROR_INVALID_PARENT); - } - for (int i=0; i<changed.length; i++) { - Control child = changed [i]; - Composite composite = child.parent; - while (child != this) { - if (composite.layout == null || !composite.layout.flushCache (child)) { - composite.state |= LAYOUT_CHANGED; - } - child = composite; - composite = child.parent; - } - } -} -void checkBuffered () { - if ((state & CANVAS) == 0) { - super.checkBuffered (); - } -} -protected void checkSubclass () { - /* Do nothing - Subclassing is allowed */ -} -void createHandle (int index) { - state |= CANVAS; - boolean scroll = (style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0; - if (!scroll) state |= THEME_BACKGROUND; - createHandle (index, parent.handle, scroll); -} -void createHandle (int index, int parentHandle, boolean scrolled) { - if (scrolled) { - int [] argList = {OS.XmNancestorSensitive, 1}; - scrolledHandle = OS.XmCreateMainWindow (parentHandle, null, argList, argList.length / 2); - if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); - } - if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0) { - int [] argList1 = { - OS.XmNmarginWidth, 3, - OS.XmNmarginHeight, 3, - OS.XmNresizePolicy, OS.XmRESIZE_NONE, - OS.XmNshadowType, OS.XmSHADOW_IN, - OS.XmNshadowThickness, hasBorder () ? display.buttonShadowThickness : 0, - }; - formHandle = OS.XmCreateForm (scrolledHandle, null, argList1, argList1.length / 2); - if (formHandle == 0) error (SWT.ERROR_NO_HANDLES); - int [] argList2 = { - OS.XmNtopAttachment, OS.XmATTACH_FORM, - OS.XmNbottomAttachment, OS.XmATTACH_FORM, - OS.XmNleftAttachment, OS.XmATTACH_FORM, - OS.XmNrightAttachment, OS.XmATTACH_FORM, - OS.XmNresizable, 0, - OS.XmNmarginWidth, 0, - OS.XmNmarginHeight, 0, - OS.XmNresizePolicy, OS.XmRESIZE_NONE, - OS.XmNtraversalOn, (style & SWT.NO_FOCUS) != 0 ? 0 : 1, - }; - handle = OS.XmCreateDrawingArea (formHandle, null, argList2, argList2.length / 2); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - } else { - int [] argList = { - OS.XmNancestorSensitive, 1, - OS.XmNborderWidth, hasBorder () ? 1 : 0, - OS.XmNmarginWidth, 0, - OS.XmNmarginHeight, 0, - OS.XmNresizePolicy, OS.XmRESIZE_NONE, - OS.XmNtraversalOn, (style & SWT.NO_FOCUS) != 0 ? 0 : 1, - }; - if (scrolledHandle != 0) parentHandle = scrolledHandle; - handle = OS.XmCreateDrawingArea (parentHandle, null, argList, argList.length / 2); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - } - int [] argList = {OS.XmNtraversalOn, 0}; - focusHandle = OS.XmCreateDrawingArea (handle, null, argList, argList.length / 2); - if (focusHandle == 0) error (SWT.ERROR_NO_HANDLES); - int [] argList1 = {OS.XmNforeground, 0, OS.XmNbackground, 0}; - OS.XtGetValues (handle, argList1, argList1.length / 2); - if (formHandle != 0) OS.XtSetValues (formHandle, argList1, argList1.length / 2); -} -int defaultBackground () { - return display.compositeBackground; -} -int defaultForeground () { - return display.compositeForeground; -} -void deregister () { - super.deregister (); - if (focusHandle != 0) display.removeWidget (focusHandle); -} -void drawBackground (GC gc, int x, int y, int width, int height) { - Control control = findBackgroundControl (); - if (control != null) { - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return; - int xGC = gc.handle; - XGCValues values = new XGCValues(); - if (control.backgroundImage != null) { - OS.XGetGCValues (xDisplay, xGC, OS.GCFillStyle | OS.GCTile | OS.GCTileStipXOrigin | OS.GCTileStipYOrigin, values); - short [] root_x = new short [1], root_y = new short [1]; - OS.XtTranslateCoords (handle, (short) 0, (short) 0, root_x, root_y); - short [] control_x = new short [1], control_y = new short [1]; - OS.XtTranslateCoords (control.handle, (short) 0, (short) 0, control_x, control_y); - int tileX = root_x[0] - control_x[0], tileY = root_y[0] - control_y[0]; - OS.XSetFillStyle (xDisplay, xGC, OS.FillTiled); - OS.XSetTSOrigin (xDisplay, xGC, -tileX, -tileY); - OS.XSetTile (xDisplay, xGC, control.backgroundImage.pixmap); - gc.fillRectangle (x, y, width, height); - OS.XSetFillStyle (xDisplay, xGC, values.fill_style); - OS.XSetTSOrigin (xDisplay, xGC, values.ts_x_origin, values.ts_y_origin); - } else { - OS.XGetGCValues (xDisplay, xGC, OS.GCBackground, values); - gc.setBackground (control.getBackground ()); - gc.fillRectangle (x, y, width, height); - OS.XSetBackground (xDisplay, xGC, values.background); - } - } else { - gc.fillRectangle (x, y, width, height); - } -} -Composite findDeferredControl () { - return layoutCount > 0 ? this : parent.findDeferredControl (); -} -void fixTabList (Control control) { - if (tabList == null) return; - int count = 0; - for (int i=0; i<tabList.length; i++) { - if (tabList [i] == control) count++; - } - if (count == 0) return; - Control [] newList = null; - int length = tabList.length - count; - if (length != 0) { - newList = new Control [length]; - int index = 0; - for (int i=0; i<tabList.length; i++) { - if (tabList [i] != control) { - newList [index++] = tabList [i]; - } - } - } - tabList = newList; -} -int focusHandle () { - if (focusHandle == 0) return super.focusHandle (); - return focusHandle; -} -int focusProc (int w, int client_data, int call_data, int continue_to_dispatch) { - XFocusChangeEvent xEvent = new XFocusChangeEvent (); - OS.memmove (xEvent, call_data, XFocusChangeEvent.sizeof); - int handle = OS.XtWindowToWidget (xEvent.display, xEvent.window); - Shell shell = getShell (); - if (handle != shell.shellHandle) { - return super.XFocusChange (w, client_data, call_data, continue_to_dispatch); - } - if (xEvent.mode != OS.NotifyNormal) return 0; - switch (xEvent.detail) { - case OS.NotifyNonlinear: - case OS.NotifyNonlinearVirtual: { - switch (xEvent.type) { - case OS.FocusIn: - sendClientEvent (OS.CurrentTime, OS.XEMBED_WINDOW_ACTIVATE, 0, 0, 0); - break; - case OS.FocusOut: - sendClientEvent (OS.CurrentTime, OS.XEMBED_WINDOW_DEACTIVATE, 0, 0, 0); - break; - } - } - } - return 0; -} -boolean fowardKeyEvent (int event) { - if (clientWindow == 0) return false; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - XKeyEvent xEvent = new XKeyEvent (); - OS.memmove (xEvent, event, XKeyEvent.sizeof); - xEvent.window = clientWindow; - int newEvent = OS.XtMalloc (XEvent.sizeof); - OS.memmove (newEvent, xEvent, XKeyEvent.sizeof); - int xDisplay = OS.XtDisplay (handle); - OS.XSendEvent (xDisplay, clientWindow, false, 0, newEvent); - OS.XSync (xDisplay, false); - OS.XtFree (newEvent); - display.setWarnings (warnings); - return true; -} -/** - * Returns the receiver's background drawing mode. This - * will be one of the following constants defined in class - * <code>SWT</code>: - * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, - * <code>INHERTIT_FORCE</code>. - * - * @return the background mode - * - * @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 - * - * @since 3.2 - */ -public int getBackgroundMode () { - checkWidget (); - return backgroundMode; -} -/** - * Returns a (possibly empty) array containing the receiver's children. - * Children are returned in the order that they are drawn. The topmost - * control appears at the beginning of the array. Subsequent controls - * draw beneath this control and appear later in the array. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its list of children, so modifying the array will - * not affect the receiver. - * </p> - * - * @return an array of children - * - * @see Control#moveAbove - * @see Control#moveBelow - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public Control [] getChildren () { - checkWidget(); - return _getChildren (); -} -public Rectangle getClientArea () { - checkWidget(); - /* - * Bug in Motif. For some reason, if a form has not been realized, - * calling XtResizeWidget () on the form does not lay out properly. - * The fix is to force the widget to be realized by forcing the shell - * to be realized. - */ - if (formHandle != 0) { - if (!OS.XtIsRealized (handle)) getShell ().realizeWidget (); - } - return super.getClientArea (); -} -int getChildrenCount () { - /* - * NOTE: The current implementation will count - * non-registered children. - */ - int [] argList = {OS.XmNnumChildren, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - if (focusHandle != 0) return Math.max (0, argList [1] - 1); - return argList [1]; -} -/** - * Returns layout which is associated with the receiver, or - * null if one has not been set. - * - * @return the receiver's layout or null - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public Layout getLayout () { - checkWidget(); - return layout; -} -/** - * Returns <code>true</code> if the receiver has deferred - * the performing of layout, and <code>false</code> otherwise. - * - * @return the receiver's deferred layout state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see #setLayoutDeferred(boolean) - * @see #isLayoutDeferred() - * - * @since 3.1 - */ -public boolean getLayoutDeferred () { - checkWidget (); - return layoutCount > 0 ; -} -/** - * Gets the (possibly empty) tabbing order for the control. - * - * @return tabList the ordered list of controls representing the tab order - * - * @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 #setTabList - */ -public Control [] getTabList () { - checkWidget (); - Control [] tabList = _getTabList (); - if (tabList == null) { - int count = 0; - Control [] list =_getChildren (); - for (int i=0; i<list.length; i++) { - if (list [i].isTabGroup ()) count++; - } - tabList = new Control [count]; - int index = 0; - for (int i=0; i<list.length; i++) { - if (list [i].isTabGroup ()) { - tabList [index++] = list [i]; - } - } - } - return tabList; -} -boolean hasBorder () { - return (style & SWT.BORDER) != 0; -} -void hookEvents () { - super.hookEvents (); - if ((state & CANVAS) != 0) { - OS.XtInsertEventHandler (handle, 0, true, display.windowProc, NON_MASKABLE, OS.XtListTail); - } - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - int focusProc = display.focusProc; - int windowProc = display.windowProc; - OS.XtInsertEventHandler (handle, OS.StructureNotifyMask | OS.SubstructureNotifyMask, false, windowProc, STRUCTURE_NOTIFY, OS.XtListTail); - OS.XtInsertEventHandler (handle, OS.PropertyChangeMask, false, windowProc, PROPERTY_CHANGE, OS.XtListTail); - OS.XtInsertEventHandler (handle, 0, true, windowProc, NON_MASKABLE, OS.XtListTail); - Shell shell = getShell (); - OS.XtInsertEventHandler (shell.shellHandle, OS.FocusChangeMask, false, focusProc, handle, OS.XtListTail); - } -} - -boolean hooksKeys () { - return hooks (SWT.KeyDown) || hooks (SWT.KeyUp); -} -/** - * Returns <code>true</code> if the receiver or any ancestor - * up to and including the receiver's nearest ancestor shell - * has deferred the performing of layouts. Otherwise, <code>false</code> - * is returned. - * - * @return the receiver's deferred layout state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see #setLayoutDeferred(boolean) - * @see #getLayoutDeferred() - * - * @since 3.1 - */ -public boolean isLayoutDeferred () { - checkWidget (); - return findDeferredControl () != null; -} -boolean isTabGroup () { - if ((state & CANVAS) != 0) return true; - return super.isTabGroup (); -} -/** - * If the receiver has a layout, asks the layout to <em>lay out</em> - * (that is, set the size and location of) the receiver's children. - * If the receiver does not have a layout, do nothing. - * <p> - * This is equivalent to calling <code>layout(true)</code>. - * </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> - */ -public void layout () { - checkWidget (); - layout (true); -} -/** - * If the receiver has a layout, asks the layout to <em>lay out</em> - * (that is, set the size and location of) the receiver's children. - * If the argument is <code>true</code> the layout must not rely - * on any information it has cached about the immediate children. If it - * is <code>false</code> the layout may (potentially) optimize the - * work it is doing by assuming that none of the receiver's - * children has changed state since the last layout. - * If the receiver does not have a layout, do nothing. - * <p> - * If a child is resized as a result of a call to layout, the - * resize event will invoke the layout of the child. The layout - * will cascade down through all child widgets in the receiver's widget - * tree until a child is encountered that does not resize. Note that - * a layout due to a resize will not flush any cached information - * (same as <code>layout(false)</code>).</p> - * - * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void layout (boolean changed) { - checkWidget (); - if (layout == null) return; - layout (changed, false); -} -/** - * If the receiver has a layout, asks the layout to <em>lay out</em> - * (that is, set the size and location of) the receiver's children. - * If the changed argument is <code>true</code> the layout must not rely - * on any information it has cached about its children. If it - * is <code>false</code> the layout may (potentially) optimize the - * work it is doing by assuming that none of the receiver's - * children has changed state since the last layout. - * If the all argument is <code>true</code> the layout will cascade down - * through all child widgets in the receiver's widget tree, regardless of - * whether the child has changed size. The changed argument is applied to - * all layouts. If the all argument is <code>false</code>, the layout will - * <em>not</em> cascade down through all child widgets in the receiver's widget - * tree. However, if a child is resized as a result of a call to layout, the - * resize event will invoke the layout of the child. Note that - * a layout due to a resize will not flush any cached information - * (same as <code>layout(false)</code>).</p> - * - * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise - * @param all <code>true</code> if all children in the receiver's widget tree should be laid out, and <code>false</code> otherwise - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public void layout (boolean changed, boolean all) { - checkWidget (); - if (layout == null && !all) return; - markLayout (changed, all); - updateLayout (all); -} -/** - * Forces a lay out (that is, sets the size and location) of all widgets that - * are in the parent hierarchy of the changed control up to and including the - * receiver. The layouts in the hierarchy must not rely on any information - * cached about the changed control or any of its ancestors. The layout may - * (potentially) optimize the work it is doing by assuming that none of the - * peers of the changed control have changed state since the last layout. - * If an ancestor does not have a layout, skip it. - * - * @param changed a control that has had a state change which requires a recalculation of its size - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> - * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</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> - * - * @since 3.1 - */ -public void layout (Control [] changed) { - checkWidget (); - if (changed == null) error (SWT.ERROR_INVALID_ARGUMENT); - for (int i=0; i<changed.length; i++) { - Control control = changed [i]; - if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); - if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - boolean ancestor = false; - Composite composite = control.parent; - while (composite != null) { - ancestor = composite == this; - if (ancestor) break; - composite = composite.parent; - } - if (!ancestor) error (SWT.ERROR_INVALID_PARENT); - } - int updateCount = 0; - Composite [] update = new Composite [16]; - for (int i=0; i<changed.length; i++) { - Control child = changed [i]; - Composite composite = child.parent; - while (child != this) { - if (composite.layout != null) { - composite.state |= LAYOUT_NEEDED; - if (!composite.layout.flushCache (child)) { - composite.state |= LAYOUT_CHANGED; - } - } - if (updateCount == update.length) { - Composite [] newUpdate = new Composite [update.length + 16]; - System.arraycopy (update, 0, newUpdate, 0, update.length); - update = newUpdate; - } - child = update [updateCount++] = composite; - composite = child.parent; - } - } - for (int i=updateCount-1; i>=0; i--) { - update [i].updateLayout (false); - } -} -void manageChildren () { - if (focusHandle != 0) { - OS.XtSetMappedWhenManaged (focusHandle, false); - OS.XtManageChild (focusHandle); - } - super.manageChildren (); - if (focusHandle != 0) { - OS.XtConfigureWidget(focusHandle, 0, 0, 1, 1, 0); - OS.XtSetMappedWhenManaged (focusHandle, true); - } - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - Shell shell = getShell (); - shell.createFocusProxy (); - if (!OS.XtIsRealized (handle)) shell.realizeWidget (); - int xDisplay = OS.XtDisplay (handle); - OS.XSync (xDisplay, false); - embeddedHandle = OS.XtWindow (handle); - } -} -void markLayout (boolean changed, boolean all) { - if (layout != null) { - state |= LAYOUT_NEEDED; - if (changed) state |= LAYOUT_CHANGED; - } - if (all) { - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - children [i].markLayout (changed, all); - } - } -} -Point minimumSize (int wHint, int hHint, boolean changed) { - Control [] children = _getChildren (); - int width = 0, height = 0; - for (int i=0; i<children.length; i++) { - Rectangle rect = children [i].getBounds (); - width = Math.max (width, rect.x + rect.width); - height = Math.max (height, rect.y + rect.height); - } - return new Point (width, height); -} -void moveAbove (int handle1, int handle2) { - if (handle1 == handle2) return; - int [] argList = {OS.XmNchildren, 0, OS.XmNnumChildren, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - int ptr = argList [1], count = argList [3]; - if (count == 0 || ptr == 0) return; - int [] handles = new int [count]; - OS.memmove (handles, ptr, count * 4); - if (handle2 == 0) handle2 = handles [0]; - int i = 0, index1 = -1, index2 = -1; - while (i < count) { - int handle = handles [i]; - if (handle == handle1) index1 = i; - if (handle == handle2) index2 = i; - if (index1 != -1 && index2 != -1) break; - i++; - } - if (index1 == -1 || index2 == -1) return; - if (index1 == index2) return; - if (index1 < index2) { - System.arraycopy (handles, index1 + 1, handles, index1, index2 - index1 - 1); - handles [index2 - 1] = handle1; - } else { - System.arraycopy (handles, index2, handles, index2 + 1, index1 - index2); - handles [index2] = handle1; - } - OS.memmove (ptr, handles, count * 4); -} -void moveBelow (int handle1, int handle2) { - if (handle1 == handle2) return; - int [] argList = {OS.XmNchildren, 0, OS.XmNnumChildren, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - int ptr = argList [1], count = argList [3]; - if (count == 0 || ptr == 0) return; - int [] handles = new int [count]; - OS.memmove (handles, ptr, count * 4); - if (handle2 == 0) handle2 = handles [count - 1]; - int i = 0, index1 = -1, index2 = -1; - while (i < count) { - int handle = handles [i]; - if (handle == handle1) index1 = i; - if (handle == handle2) index2 = i; - if (index1 != -1 && index2 != -1) break; - i++; - } - if (index1 == -1 || index2 == -1) return; - if (index1 == index2) return; - if (index1 < index2) { - System.arraycopy (handles, index1 + 1, handles, index1, index2 - index1); - handles [index2] = handle1; - } else { - System.arraycopy (handles, index2 + 1, handles, index2 + 2, index1 - index2 - 1); - handles [index2 + 1] = handle1; - } - OS.memmove (ptr, handles, count * 4); -} -void propagateChildren (boolean enabled) { - super.propagateChildren (enabled); - Control [] children = _getChildren (); - for (int i = 0; i < children.length; i++) { - Control child = children [i]; - if (child.getEnabled ()) { - child.propagateChildren (enabled); - } - } -} -void realizeChildren () { - super.realizeChildren (); - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - children [i].realizeChildren (); - } - /* - * Feature in Motif. XmProcessTraversal() will not give focus to - * a widget that is obscured so the focus handle must be inside the - * client area of the parent. This means that it is visible as a - * single pixel widget in the parent. The fix is to unmap the - * focus handle so that it will be traversed by XmProcessTraversal() - * and will accept focus but will not be visible in the parent. - */ - if (focusHandle != 0) OS.XtUnmapWidget (focusHandle); - if ((state & CANVAS) != 0) { - if ((style & (SWT.DOUBLE_BUFFERED | SWT.NO_BACKGROUND)) != 0 || (style & SWT.NO_REDRAW_RESIZE) == 0) { - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return; - int xWindow = OS.XtWindow (handle); - if (xWindow == 0) return; - int flags = 0; - XSetWindowAttributes attributes = new XSetWindowAttributes (); - if ((style & (SWT.NO_BACKGROUND | SWT.DOUBLE_BUFFERED)) != 0) { - flags |= OS.CWBackPixmap; - attributes.background_pixmap = OS.None; - } - if ((style & SWT.NO_REDRAW_RESIZE) == 0) { - flags |= OS.CWBitGravity; - attributes.bit_gravity = OS.ForgetGravity; - } - if (flags != 0) { - OS.XChangeWindowAttributes (xDisplay, xWindow, flags, attributes); - } - } - } -} -void redrawChildren () { - super.redrawChildren (); - Control [] children = _getChildren (); - for (int i = 0; i < children.length; i++) { - Control child = children [i]; - if ((child.state & PARENT_BACKGROUND) != 0) { - child.redrawWidget (0, 0, 0, 0, true, false, true); - child.redrawChildren (); - } - } -} -void register () { - super.register (); - if (focusHandle != 0) display.addWidget (focusHandle, this); -} -void redrawWidget (int x, int y, int width, int height, boolean redrawAll, boolean allChildren, boolean trim) { - super.redrawWidget (x, y, width, height, redrawAll, allChildren, trim); - if (!allChildren) return; - Control [] children = _getChildren (); - for (int i = 0; i < children.length; i++) { - Control child = children [i]; - Point location = child.getClientLocation (); - child.redrawWidget (x - location.x, y - location.y, width, height, redrawAll, allChildren, true); - } -} -void release (boolean destroy) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - Shell shell = getShell (); - int focusProc = display.focusProc; - OS.XtRemoveEventHandler (shell.shellHandle, OS.FocusChangeMask, false, focusProc, handle); - if (clientWindow != 0) { - boolean warnings = display.getWarnings (); - display.setWarnings (false); - int xDisplay = OS.XtDisplay (handle); - OS.XUnmapWindow (xDisplay, clientWindow); - OS.XReparentWindow (xDisplay, clientWindow, OS.XDefaultRootWindow (xDisplay), 0, 0); - OS.XSync (xDisplay, false); - display.setWarnings (warnings); - } - setClientWindow (0); - } - super.release (destroy); -} -void releaseChildren (boolean destroy) { - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - Control child = children [i]; - if (child != null && !child.isDisposed ()) { - child.release (false); - } - } - super.releaseChildren (destroy); -} -void releaseHandle () { - super.releaseHandle (); - focusHandle = embeddedHandle = 0; -} -void releaseWidget () { - super.releaseWidget (); - layout = null; - tabList = null; - if (damagedRegion != 0) OS.XDestroyRegion (damagedRegion); - damagedRegion = 0; -} -void removeControl (Control control) { - fixTabList (control); -} -void resizeClientWindow () { - if (clientWindow == 0) return; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - int [] argList = {OS.XmNwidth, 0, OS.XmNheight, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - int xDisplay = OS.XtDisplay (handle); - OS.XMoveResizeWindow (xDisplay, clientWindow, 0, 0, Math.max(1, argList [1]), Math.max(1, argList [3])); - display.setWarnings (warnings); -} -void sendClientEvent (int time, int message, int detail, int data1, int data2) { - if (clientWindow == 0) return; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - int xDisplay = OS.XtDisplay (handle); - XClientMessageEvent xEvent = new XClientMessageEvent (); - xEvent.type = OS.ClientMessage; - xEvent.window = clientWindow; - xEvent.message_type = OS.XInternAtom (xDisplay, _XEMBED, false); - xEvent.format = 32; - xEvent.data [0] = time != 0 ? time : OS.XtLastTimestampProcessed (xDisplay); - xEvent.data [1] = message; - xEvent.data [2] = detail; - xEvent.data [3] = data1; - xEvent.data [4] = data2; - int event = OS.XtMalloc (XEvent.sizeof); - OS.memmove (event, xEvent, XClientMessageEvent.sizeof); - OS.XSendEvent (xDisplay, clientWindow, false, 0, event); - OS.XSync (xDisplay, false); - OS.XtFree (event); - display.setWarnings (warnings); -} -/** - * Sets the background drawing mode to the argument which should - * be one of the following constants defined in class <code>SWT</code>: - * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, - * <code>INHERIT_FORCE</code>. - * - * @param mode the new background mode - * - * @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 - * - * @since 3.2 - */ -public void setBackgroundMode (int mode) { - checkWidget (); - backgroundMode = mode; - Control[] children = _getChildren (); - for (int i = 0; i < children.length; i++) { - children [i].updateBackgroundMode (); - } -} -void setBackgroundPixel (int pixel) { - super.setBackgroundPixel (pixel); - if ((state & CANVAS) != 0) { - if ((style & (SWT.NO_BACKGROUND | SWT.DOUBLE_BUFFERED)) != 0) { - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return; - int xWindow = OS.XtWindow (handle); - if (xWindow == 0) return; - XSetWindowAttributes attributes = new XSetWindowAttributes (); - attributes.background_pixmap = OS.None; - OS.XChangeWindowAttributes (xDisplay, xWindow, OS.CWBackPixmap, attributes); - } - } -} -boolean setBounds (int x, int y, int width, int height, boolean move, boolean resize) { - boolean changed = super.setBounds (x, y, width, height, move, resize); - if (changed && resize) { - if (focusHandle != 0) { - int [] argList = {OS.XmNwidth, 0, OS.XmNheight, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - OS.XtConfigureWidget (focusHandle, 0, 0, argList [1], argList [3], 0); - } - if (layout != null) { - markLayout (false, false); - updateLayout (false); - } - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - resizeClientWindow (); - } - } - return changed; -} -void setClientWindow (int window) { - if (focusHandle != 0) { - if (window == OS.XtWindow (focusHandle)) return; - } - boolean warnings = display.getWarnings (); - display.setWarnings (false); - int xDisplay = OS.XtDisplay (handle); - if (window != 0) { - if (clientWindow == 0) { - clientWindow = window; - sendClientEvent (0, OS.XEMBED_EMBEDDED_NOTIFY, 0, 0, 0); - OS.XtRegisterDrawable (xDisplay, clientWindow, handle); - OS.XSelectInput (xDisplay, clientWindow, OS.PropertyChangeMask); - updateMapped (); - resizeClientWindow (); - Shell shell = getShell (); - if (shell == display.getActiveShell ()) { - shell.bringToTop (true); - sendClientEvent (0, OS.XEMBED_WINDOW_ACTIVATE, 0, 0, 0); - if (this == display.getFocusControl ()) { - sendClientEvent (0, OS.XEMBED_FOCUS_IN, OS.XEMBED_FOCUS_CURRENT, 0, 0); - } - } - } - } else { - if (clientWindow != 0) OS.XtUnregisterDrawable (xDisplay, clientWindow); - clientWindow = 0; - } - display.setWarnings (warnings); -} -public boolean setFocus () { - checkWidget (); - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - Control child = children [i]; - if (child.setFocus ()) return true; - } - return super.setFocus (); -} -public void setFont (Font font) { - checkWidget(); - super.setFont (font); - if ((state & CANVAS) != 0) { - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return; - int xWindow = OS.XtWindow (handle); - if (xWindow == 0) return; - OS.XClearArea (xDisplay, xWindow, 0, 0, 0, 0, true); - } -} -void setForegroundPixel (int pixel) { - super.setForegroundPixel (pixel); - if ((state & CANVAS) != 0) { - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return; - int xWindow = OS.XtWindow (handle); - if (xWindow == 0) return; - OS.XClearArea (xDisplay, xWindow, 0, 0, 0, 0, true); - } -} -/** - * Sets the layout which is associated with the receiver to be - * the argument which may be null. - * - * @param layout the receiver's new layout or null - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setLayout (Layout layout) { - checkWidget(); - this.layout = layout; -} -/** - * If the argument is <code>true</code>, causes subsequent layout - * operations in the receiver or any of its children to be ignored. - * No layout of any kind can occur in the receiver or any of its - * children until the flag is set to false. - * Layout operations that occurred while the flag was - * <code>true</code> are remembered and when the flag is set to - * <code>false</code>, the layout operations are performed in an - * optimized manner. Nested calls to this method are stacked. - * - * @param defer the new defer state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see #layout(boolean) - * @see #layout(Control[]) - * - * @since 3.1 - */ -public void setLayoutDeferred (boolean defer) { - if (!defer) { - if (--layoutCount == 0) { - if ((state & LAYOUT_CHILD) != 0 || (state & LAYOUT_NEEDED) != 0) { - updateLayout (true); - } - } - } else { - layoutCount++; - } -} -/** - * Sets the tabbing order for the specified controls to - * match the order that they occur in the argument list. - * - * @param tabList the ordered list of controls representing the tab order or null - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if a widget in the tabList is null or has been disposed</li> - * <li>ERROR_INVALID_PARENT - if widget in the tabList is not in the same widget tree</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setTabList (Control [] tabList) { - checkWidget (); - if (tabList != null) { - for (int i=0; i<tabList.length; i++) { - Control control = tabList [i]; - if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); - if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - if (control.parent != this) error (SWT.ERROR_INVALID_PARENT); - } - Control [] newList = new Control [tabList.length]; - System.arraycopy (tabList, 0, newList, 0, tabList.length); - tabList = newList; - } - this.tabList = tabList; -} -void setParentBackground () { - super.setParentBackground (); - if (scrolledHandle != 0) setParentBackground (scrolledHandle); - if (formHandle != 0) setParentBackground (formHandle); -} -boolean setScrollBarVisible (ScrollBar bar, boolean visible) { - boolean changed = super.setScrollBarVisible (bar, visible); - if (changed && layout != null) { - markLayout (false, false); - updateLayout (false); - } - return changed; -} -boolean setTabGroupFocus (boolean next) { - if (isTabItem ()) return setTabItemFocus (next); - boolean takeFocus = (style & SWT.NO_FOCUS) == 0; - if ((state & CANVAS) != 0) { - takeFocus = hooksKeys (); - if ((style & SWT.EMBEDDED) != 0) takeFocus = true; - } - if (takeFocus && setTabItemFocus (next)) return true; - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - Control child = children [i]; - if (child.isTabItem () && child.setTabItemFocus (next)) return true; - } - return false; -} -boolean setTabItemFocus (boolean next) { - if (!super.setTabItemFocus (next)) return false; - if (handle != 0) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - int detail = next ? OS.XEMBED_FOCUS_FIRST : OS.XEMBED_FOCUS_LAST; - sendClientEvent (0, OS.XEMBED_FOCUS_IN, detail, 0, 0); - } - } - return true; -} -int traversalCode (int key, XKeyEvent xEvent) { - if ((state & CANVAS) != 0) { - if ((style & SWT.NO_FOCUS) != 0) return 0; - if (hooksKeys ()) return 0; - } - return super.traversalCode (key, xEvent); -} -boolean translateMnemonic (Event event, Control control) { - if (super.translateMnemonic (event, control)) return true; - if (control != null) { - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - Control child = children [i]; - if (child.translateMnemonic (event, control)) return true; - } - } - return false; -} -boolean translateTraversal (int key, XKeyEvent xEvent) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) return false; - return super.translateTraversal (key, xEvent); -} -void updateBackgroundMode () { - super.updateBackgroundMode (); - Control [] children = _getChildren (); - for (int i = 0; i < children.length; i++) { - children [i].updateBackgroundMode (); - } -} -void updateLayout (boolean all) { - Composite parent = findDeferredControl (); - if (parent != null) { - parent.state |= LAYOUT_CHILD; - return; - } - if ((state & LAYOUT_NEEDED) != 0) { - boolean changed = (state & LAYOUT_CHANGED) != 0; - state &= ~(LAYOUT_NEEDED | LAYOUT_CHANGED); - layout.layout (this, changed); - } - if (all) { - state &= ~LAYOUT_CHILD; - Control [] children = _getChildren (); - for (int i=0; i<children.length; i++) { - children [i].updateLayout (all); - } - } -} -int XButtonPress (int w, int client_data, int call_data, int continue_to_dispatch) { - int result = super.XButtonPress (w, client_data, call_data, continue_to_dispatch); - if (result != 0) return result; - - /* Set focus for a canvas with no children */ - if ((state & CANVAS) != 0) { - XButtonEvent xEvent = new XButtonEvent (); - OS.memmove (xEvent, call_data, XButtonEvent.sizeof); - if ((style & SWT.NO_FOCUS) == 0 && hooksKeys ()) { - if (xEvent.button == 1) { - if (getChildrenCount () == 0) setFocus (); - } - } - /* - * Bug in Motif. On Solaris 8 only, stopping the other event - * handlers from being invoked after a menu has been displayed - * causes a segment fault. The fix is to not stop the event for - * button 3. - */ - if (xEvent.button != 3) { - OS.memmove (continue_to_dispatch, new int [1], 4); - } - return 1; - } - return result; -} -int XExposure (int w, int client_data, int call_data, int continue_to_dispatch) { - if ((state & CANVAS) == 0) { - return super.XExposure (w, client_data, call_data, continue_to_dispatch); - } - if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return 0; - if (damagedRegion == 0) damagedRegion = OS.XCreateRegion (); - OS.XtAddExposureToRegion (call_data, damagedRegion); - if ((style & SWT.NO_MERGE_PAINTS) == 0) { - XExposeEvent xEvent = new XExposeEvent (); - OS.memmove (xEvent, call_data, XExposeEvent.sizeof); - int exposeCount = xEvent.count; - if (exposeCount == 0) { - if (OS.XEventsQueued (xEvent.display, OS.QueuedAfterReading) != 0) { - int xEvent1 = OS.XtMalloc (XEvent.sizeof); - display.exposeCount = display.lastExpose = 0; - int checkExposeProc = display.checkExposeProc; - OS.XCheckIfEvent (xEvent.display, xEvent1, checkExposeProc, xEvent.window); - exposeCount = display.exposeCount; - int lastExpose = display.lastExpose; - if (exposeCount != 0 && lastExpose != 0) { - XExposeEvent xExposeEvent = display.xExposeEvent; - OS.memmove (xExposeEvent, lastExpose, XExposeEvent.sizeof); - xExposeEvent.count = 0; - OS.memmove (lastExpose, xExposeEvent, XExposeEvent.sizeof); - } - OS.XtFree (xEvent1); - } - } - if (exposeCount != 0) return 0; - } - int xDisplay = OS.XtDisplay (handle); - if (xDisplay == 0) return 0; - int damageRgn = damagedRegion; - damagedRegion = 0; - GCData data = new GCData (); - data.damageRgn = damageRgn; - GC gc = GC.motif_new (this, data); - OS.XSetRegion (xDisplay, gc.handle, damageRgn); - XRectangle rect = new XRectangle (); - OS.XClipBox (damageRgn, rect); - GC paintGC = null; - Image image = null; - if ((style & SWT.DOUBLE_BUFFERED) != 0) { - Rectangle client = getClientArea (); - int width = Math.min (client.width, rect.x + rect.width); - int height = Math.min (client.height, rect.y + rect.height); - image = new Image (display, width, height); - paintGC = gc; - GCData imageGCData = new GCData (); - imageGCData.damageRgn = damageRgn; - gc = GC.motif_new (image, imageGCData); - gc.setForeground (getForeground ()); - gc.setBackground (getBackground ()); - gc.setFont (getFont ()); - if ((style & SWT.NO_BACKGROUND) != 0) { - /* This code is intentionaly commented because it is too slow to copy bits from the screen */ -// paintGC.copyArea(image, 0, 0); - } else { - drawBackground (gc, 0, 0, width, height); - } - } - Event event = new Event (); - event.x = rect.x; - event.y = rect.y; - event.width = rect.width; - event.height = rect.height; - event.gc = gc; - sendEvent (SWT.Paint, event); - event.gc = null; - if ((style & SWT.DOUBLE_BUFFERED) != 0) { - gc.dispose (); - if (!isDisposed ()) { - paintGC.drawImage (image, 0, 0); - } - image.dispose (); - gc = paintGC; - } - gc.dispose (); - OS.XDestroyRegion (damageRgn); - return 0; -} -int xFocusIn (XFocusChangeEvent xEvent) { - int result = super.xFocusIn (xEvent); - if (handle != 0) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - sendClientEvent (0, OS.XEMBED_FOCUS_IN, OS.XEMBED_FOCUS_CURRENT, 0, 0); - } - } - return result; -} -int xFocusOut (XFocusChangeEvent xEvent) { - int result = super.xFocusOut (xEvent); - if (handle != 0) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - sendClientEvent (0, OS.XEMBED_FOCUS_OUT, 0, 0, 0); - } - } - return result; -} -int XKeyPress (int w, int client_data, int call_data, int continue_to_dispatch) { - int result = super.XKeyPress (w, client_data, call_data, continue_to_dispatch); - if (result == 0) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - if (fowardKeyEvent (call_data)) return 0; - } - } - return result; -} -int XKeyRelease (int w, int client_data, int call_data, int continue_to_dispatch) { - int result = super.XKeyRelease (w, client_data, call_data, continue_to_dispatch); - if (result == 0) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - if (fowardKeyEvent (call_data)) return 0; - } - } - return result; -} -int XNonMaskable (int w, int client_data, int call_data, int continue_to_dispatch) { - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - XEvent xEvent = new XEvent (); - OS.memmove (xEvent, call_data, XEvent.sizeof); - if (xEvent.type == OS.ClientMessage) { - XClientMessageEvent xClientEvent = new XClientMessageEvent (); - OS.memmove (xClientEvent, call_data, XClientMessageEvent.sizeof); - int xDisplay = OS.XtDisplay (handle); - if (xClientEvent.message_type == OS.XInternAtom (xDisplay, _XEMBED, false)) { - int type = xClientEvent.data [1]; - switch (type) { - case OS.XEMBED_REQUEST_FOCUS: { - setFocus (); - break; - } - case OS.XEMBED_FOCUS_PREV: { - traverse (SWT.TRAVERSE_TAB_PREVIOUS); - break; - } - case OS.XEMBED_FOCUS_NEXT: { - traverse (SWT.TRAVERSE_TAB_NEXT); - break; - } - } - } - return 0; - } - } - if ((state & CANVAS) != 0) { - XEvent xEvent = new XEvent (); - OS.memmove (xEvent, call_data, XEvent.sizeof); - if (xEvent.type == OS.GraphicsExpose) { - return XExposure (w, client_data, call_data, continue_to_dispatch); - } - } - return 0; -} -int XPropertyChange (int w, int client_data, int call_data, int continue_to_dispatch) { - int result = super.XPropertyChange (w, client_data, call_data, continue_to_dispatch); - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - XPropertyEvent xPropertyEvent = new XPropertyEvent (); - OS.memmove(xPropertyEvent, call_data, XPropertyEvent.sizeof); - if (xPropertyEvent.window == clientWindow) { - int atom = xPropertyEvent.atom; - int xDisplay = xPropertyEvent.display; - if (atom == OS.XInternAtom (xDisplay, _XEMBED_INFO, false)) { - updateMapped (); - } - } - } - return result; -} -int XStructureNotify (int w, int client_data, int call_data, int continue_to_dispatch) { - int result = super.XStructureNotify (w, client_data, call_data, continue_to_dispatch); - if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { - XEvent xEvent = new XEvent (); - OS.memmove (xEvent, call_data, XEvent.sizeof); - switch (xEvent.type) { - case OS.ReparentNotify: { - XReparentEvent xReparentEvent = new XReparentEvent (); - OS.memmove (xReparentEvent, call_data, XReparentEvent.sizeof); - if (clientWindow == 0) setClientWindow (xReparentEvent.window); - break; - } - case OS.CreateNotify: { - XCreateWindowEvent xCreateEvent = new XCreateWindowEvent (); - OS.memmove (xCreateEvent, call_data, XCreateWindowEvent.sizeof); - if (clientWindow == 0) setClientWindow (xCreateEvent.window); - break; - } - case OS.DestroyNotify: { - XDestroyWindowEvent xDestroyEvent = new XDestroyWindowEvent (); - OS.memmove (xDestroyEvent, call_data, XDestroyWindowEvent.sizeof); - if (xDestroyEvent.window == clientWindow) setClientWindow (0); - break; - } - case OS.ConfigureNotify: { - XConfigureEvent xConfigureEvent = new XConfigureEvent (); - OS.memmove (xConfigureEvent, call_data, XConfigureEvent.sizeof); - if (xConfigureEvent.window == clientWindow) resizeClientWindow (); - break; - } - } - } - return result; -} -void updateMapped () { - if (clientWindow == 0) return; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - int xDisplay = OS.XtDisplay (handle); - int prop = OS.XInternAtom (xDisplay, _XEMBED_INFO, false); - int [] type = new int [1], format = new int [1]; - int [] nitems = new int [1], bytes_after = new int [1], data = new int [1]; - if (OS.XGetWindowProperty (xDisplay, clientWindow, prop, 0, 2, false, prop, type, format, nitems, bytes_after, data) == 0) { - if (type [0] == prop) { - if (nitems [0] >= 2) { - int [] buffer = new int [2]; - OS.memmove (buffer, data [0], buffer.length * 4); - int flags = buffer [1]; - if ((flags & OS.XEMBED_MAPPED) != 0) { - OS.XMapWindow (xDisplay, clientWindow); - } else { - OS.XUnmapWindow (xDisplay, clientWindow); - } - } - } - } - if (data [0] != 0) OS.XFree (data [0]); - display.setWarnings (warnings); -} -} |