| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.internal.photon.*; |
| 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</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> |
| * 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; |
| Control [] tabList; |
| int cornerHandle; |
| |
| 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 count = 0; |
| int parentHandle = parentingHandle (); |
| int child = OS.PtWidgetChildFront (parentHandle); |
| while (child != 0) { |
| child = OS.PtWidgetBrotherBehind (child); |
| count++; |
| } |
| Control [] children = new Control [count]; |
| int i = 0, j = 0; |
| child = OS.PtWidgetChildFront (parentHandle); |
| while (i < count) { |
| Widget widget = WidgetTable.get (child); |
| if (widget != null && widget != this) { |
| if (widget instanceof Control) { |
| children [j++] = (Control) widget; |
| } |
| } |
| i++; |
| child = OS.PtWidgetBrotherBehind (child); |
| } |
| if (i == j) 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; |
| } |
| |
| protected void checkSubclass () { |
| /* Do nothing - Subclassing is allowed */ |
| } |
| |
| 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; |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget(); |
| Point size; |
| if (layout != null) { |
| if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) { |
| size = layout.computeSize (this, wHint, hHint, changed); |
| } else { |
| size = new Point (wHint, hHint); |
| } |
| } else { |
| size = minimumSize (); |
| } |
| 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); |
| } |
| |
| void createHandle (int index) { |
| state |= HANDLE | GRAB | CANVAS; |
| int parentHandle = parent.parentingHandle (); |
| createScrolledHandle (parentHandle); |
| } |
| |
| void createScrollBars () { |
| if (scrolledHandle == 0) return; |
| if ((style & SWT.H_SCROLL) != 0) { |
| horizontalBar = new ScrollBar (this, SWT.HORIZONTAL); |
| } |
| if ((style & SWT.V_SCROLL) != 0) { |
| verticalBar = new ScrollBar (this, SWT.VERTICAL); |
| } |
| } |
| |
| byte [] defaultFont () { |
| Display display = getDisplay (); |
| return display.TITLE_FONT; |
| } |
| |
| void createScrolledHandle (int parentHandle) { |
| int etches = OS.Pt_ALL_ETCHES | OS.Pt_ALL_OUTLINES; |
| int [] args = new int [] { |
| OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED, |
| OS.Pt_ARG_BASIC_FLAGS, hasBorder () ? etches : 0, etches, |
| OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA | OS.Pt_ENABLE_CUA_ARROWS, |
| OS.Pt_ARG_FILL_COLOR, OS.Pg_TRANSPARENT, 0, |
| OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, |
| }; |
| scrolledHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args); |
| if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| Display display = getDisplay (); |
| if ((style & SWT.H_SCROLL) != 0 && (style & SWT.V_SCROLL) != 0) { |
| etches = OS.Pt_TOP_OUTLINE | OS.Pt_LEFT_OUTLINE; |
| args = new int [] { |
| OS.Pt_ARG_FLAGS, OS.Pt_HIGHLIGHTED, OS.Pt_HIGHLIGHTED, |
| OS.Pt_ARG_BASIC_FLAGS, etches, etches, |
| OS.Pt_ARG_WIDTH, display.SCROLLBAR_WIDTH, 0, |
| OS.Pt_ARG_HEIGHT, display.SCROLLBAR_HEIGHT, 0, |
| OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, |
| }; |
| cornerHandle = OS.PtCreateWidget (OS.PtContainer (), scrolledHandle, args.length / 3, args); |
| } |
| int clazz = display.PtContainer; |
| args = new int [] { |
| OS.Pt_ARG_FLAGS, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, |
| OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA | OS.Pt_ENABLE_CUA_ARROWS, |
| OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, |
| }; |
| handle = OS.PtCreateWidget (clazz, scrolledHandle, args.length / 3, args); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| createScrollBars (); |
| } |
| |
| void drawWidget (int widget, int damage) { |
| if ((state & CANVAS) != 0) { |
| if ((style & SWT.NO_BACKGROUND) == 0) { |
| |
| /* Get the clipping tiles for children and siblings */ |
| int clip_tile = getClipping (handle, topHandle (), true, true); |
| |
| /* Translate the clipping to the current GC coordinates */ |
| short [] abs_x = new short [1], abs_y = new short [1]; |
| OS.PtGetAbsPosition (handle, abs_x, abs_y); |
| short [] dis_abs_x = new short [1], dis_abs_y = new short [1]; |
| OS.PtGetAbsPosition (OS.PtFindDisjoint (handle), dis_abs_x, dis_abs_y); |
| PhPoint_t delta = new PhPoint_t (); |
| delta.x = (short) (abs_x [0] - dis_abs_x [0]); |
| delta.y = (short) (abs_y [0] - dis_abs_y [0]); |
| OS.PhTranslateTiles(clip_tile, delta); |
| |
| /* Set the clipping */ |
| int[] clip_rects_count = new int [1]; |
| int clip_rects = OS.PhTilesToRects (clip_tile, clip_rects_count); |
| OS.PhFreeTiles (clip_tile); |
| if (clip_rects_count [0] == 0) { |
| clip_rects_count [0] = 1; |
| OS.free (clip_rects); |
| clip_rects = OS.malloc (PhRect_t.sizeof); |
| } |
| OS.PgSetMultiClip (clip_rects_count[0], clip_rects); |
| OS.free (clip_rects); |
| |
| /* Draw the widget */ |
| super.drawWidget (widget, damage); |
| |
| /* Reset the clipping */ |
| OS.PgSetMultiClip (0, 0); |
| } |
| } else { |
| super.drawWidget (widget, damage); |
| } |
| } |
| |
| |
| public boolean forceFocus () { |
| checkWidget(); |
| if ((state & CANVAS) == 0) return super.forceFocus (); |
| /* |
| * Bug in Photon. PtContainerGiveFocus() is supposed to give |
| * focus to the widget even if the widget's Pt_GET_FOCUS flag |
| * is not set. This does not happen when the widget is a |
| * PtContainer. The fix is to set the flag before calling it. |
| */ |
| int flags = OS.PtWidgetFlags (handle); |
| OS.PtSetResource (handle, OS.Pt_ARG_FLAGS, OS.Pt_GETS_FOCUS, OS.Pt_GETS_FOCUS); |
| boolean result = super.forceFocus (); |
| OS.PtSetResource (handle, OS.Pt_ARG_FLAGS, flags, OS.Pt_GETS_FOCUS); |
| return result; |
| } |
| |
| public Rectangle getClientArea () { |
| checkWidget(); |
| if (scrolledHandle == 0) return super.getClientArea (); |
| PhArea_t area = new PhArea_t (); |
| OS.PtWidgetArea (handle, area); |
| return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h); |
| } |
| |
| int getClipping(int widget, int topWidget, boolean clipChildren, boolean clipSiblings) { |
| int child_tile = 0; |
| int widget_tile = OS.PhGetTile(); // NOTE: PhGetTile native initializes the tile |
| |
| PhRect_t rect = new PhRect_t (); |
| int args [] = {OS.Pt_ARG_FLAGS, 0, 0, OS.Pt_ARG_BASIC_FLAGS, 0, 0}; |
| |
| /* Get the rectangle of all siblings in front of the widget */ |
| if (clipSiblings && OS.PtWidgetClass(topWidget) != OS.PtWindow()) { |
| int temp_widget = topWidget; |
| while ((temp_widget = OS.PtWidgetBrotherInFront(temp_widget)) != 0) { |
| if (OS.PtWidgetIsRealized(temp_widget)) { |
| int tile = OS.PhGetTile(); |
| if (child_tile == 0) child_tile = tile; |
| else child_tile = OS.PhAddMergeTiles(tile, child_tile, null); |
| OS.PtWidgetExtent(temp_widget, tile); // NOTE: tile->rect |
| args [1] = args [4] = 0; |
| OS.PtGetResources(temp_widget, args.length / 3, args); |
| if ((args [1] & OS.Pt_HIGHLIGHTED) != 0) { |
| int basic_flags = args [4]; |
| OS.memmove(rect, tile, PhRect_t.sizeof); |
| if ((basic_flags & OS.Pt_TOP_ETCH) != 0) rect.ul_y++; |
| if ((basic_flags & OS.Pt_BOTTOM_ETCH) != 0) rect.lr_y--; |
| if ((basic_flags & OS.Pt_RIGHT_ETCH) != 0) rect.ul_x++; |
| if ((basic_flags & OS.Pt_LEFT_ETCH) != 0) rect.lr_x--; |
| OS.memmove(tile, rect, PhRect_t.sizeof); |
| } |
| } |
| } |
| /* Translate the siblings rectangles to the widget's coordinates */ |
| OS.PtWidgetCanvas(topWidget, widget_tile); // NOTE: widget_tile->rect |
| OS.PhDeTranslateTiles(child_tile, widget_tile); // NOTE: widget_tile->rect.ul |
| } |
| |
| /* Get the rectangle of the widget's children */ |
| if (clipChildren) { |
| int temp_widget = OS.PtWidgetChildBack(widget); |
| while (temp_widget != 0) { |
| if (OS.PtWidgetIsRealized(temp_widget)) { |
| int tile = OS.PhGetTile(); |
| if (child_tile == 0) child_tile = tile; |
| else child_tile = OS.PhAddMergeTiles(tile, child_tile, null); |
| OS.PtWidgetExtent(temp_widget, tile); // NOTE: tile->rect |
| args [1] = args [4] = 0; |
| OS.PtGetResources(temp_widget, args.length / 3, args); |
| if ((args [1] & OS.Pt_HIGHLIGHTED) != 0) { |
| int basic_flags = args [4]; |
| OS.memmove(rect, tile, PhRect_t.sizeof); |
| if ((basic_flags & OS.Pt_TOP_ETCH) != 0) rect.ul_y++; |
| if ((basic_flags & OS.Pt_BOTTOM_ETCH) != 0) rect.lr_y--; |
| if ((basic_flags & OS.Pt_RIGHT_ETCH) != 0) rect.ul_x++; |
| if ((basic_flags & OS.Pt_LEFT_ETCH) != 0) rect.lr_x--; |
| OS.memmove(tile, rect, PhRect_t.sizeof); |
| } |
| } |
| temp_widget = OS.PtWidgetBrotherInFront(temp_widget); |
| } |
| } |
| |
| /* Get the widget's rectangle */ |
| OS.PtWidgetCanvas(widget, widget_tile); // NOTE: widget_tile->rect |
| OS.PhDeTranslateTiles(widget_tile, widget_tile); // NOTE: widget_tile->rect.ul |
| |
| /* Clip the widget's rectangle from the child/siblings rectangle's */ |
| if (child_tile != 0) { |
| int clip_tile = OS.PhClipTilings(widget_tile, child_tile, null); |
| OS.PhFreeTiles(child_tile); |
| return clip_tile; |
| } |
| return widget_tile; |
| } |
| |
| /** |
| * Returns an array containing the receiver's children. |
| * <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 |
| * |
| * @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 (); |
| } |
| |
| int getChildrenCount () { |
| int count = 0; |
| int parentHandle = parentingHandle (); |
| int child = OS.PtWidgetChildFront (parentHandle); |
| while (child != 0) { |
| child = OS.PtWidgetBrotherBehind (child); |
| count++; |
| } |
| return count; |
| } |
| |
| /** |
| * 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; |
| } |
| |
| boolean hasBorder () { |
| return (style & SWT.BORDER) != 0; |
| } |
| |
| boolean hasFocus () { |
| return OS.PtIsFocused (handle) == 2; |
| } |
| |
| boolean hooksKeys () { |
| return hooks (SWT.KeyDown) || hooks (SWT.KeyUp); |
| } |
| |
| /** |
| * Gets the last specified 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; |
| } |
| |
| /** |
| * 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); |
| } |
| |
| Point minimumSize () { |
| 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 moveToBack (int child) { |
| OS.PtWidgetToBack (child); |
| } |
| |
| /** |
| * 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 the argument is <code>true</code> the layout must not rely |
| * on any cached information it is keeping about the children. If it |
| * is <code>false</code> the layout may (potentially) simplify the |
| * work it is doing by assuming that the state of the none of the |
| * receiver's children has changed since the last layout. |
| * If the receiver does not have a layout, do nothing. |
| * |
| * @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; |
| int count = getChildrenCount (); |
| if (count == 0) return; |
| layout.layout (this, changed); |
| } |
| |
| int parentingHandle () { |
| return handle; |
| } |
| |
| int Ph_EV_BUT_PRESS (int widget, int info) { |
| int result = super.Ph_EV_BUT_PRESS (widget, info); |
| if (result != OS.Pt_CONTINUE)return result; |
| if ((state & CANVAS) != 0) { |
| /* Set focus for a CANVAS with no children */ |
| if ((style & SWT.NO_FOCUS) == 0 && OS.PtWidgetChildFront (handle) == 0) { |
| if (info == 0) return OS.Pt_END; |
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); |
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); |
| if (cbinfo.event == 0) return OS.Pt_END; |
| PhEvent_t ev = new PhEvent_t (); |
| OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof); |
| int data = OS.PhGetData (cbinfo.event); |
| if (data == 0) return OS.Pt_END; |
| PhPointerEvent_t pe = new PhPointerEvent_t (); |
| OS.memmove (pe, data, PhPointerEvent_t.sizeof); |
| if (pe.buttons == OS.Ph_BUTTON_SELECT) setFocus (); |
| } |
| } |
| return result; |
| } |
| |
| int Pt_CB_OUTBOUND (int widget, int info) { |
| if ((state & CANVAS) != 0) { |
| if (info == 0) return OS.Pt_END; |
| PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); |
| OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); |
| if (cbinfo.event == 0) return OS.Pt_END; |
| PhEvent_t ev = new PhEvent_t (); |
| OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof); |
| int data = OS.PhGetData (cbinfo.event); |
| if (data == 0) return OS.Pt_END; |
| PhPointerEvent_t pe = new PhPointerEvent_t (); |
| OS.memmove (pe, data, PhPointerEvent_t.sizeof); |
| |
| /* Grab pointer */ |
| PhRect_t rect = new PhRect_t (); |
| PhPoint_t pos = new PhPoint_t (); |
| pos.x = pe.pos_x; |
| pos.y = pe.pos_y; |
| rect.ul_x = rect.lr_x = (short) (pos.x + ev.translation_x); |
| rect.ul_y = rect.lr_y = (short) (pos.y + ev.translation_y); |
| int rid = OS.PtWidgetRid (handle); |
| int input_group = OS.PhInputGroup (0); |
| int flags = OS.Ph_DRAG_KEY_MOTION | OS.Ph_DRAG_TRACK | OS.Ph_TRACK_DRAG; |
| OS.PhInitDrag (rid, flags, rect, null, input_group, null, null, null, pos, null); |
| |
| /* Post drag detect event */ |
| postEvent (SWT.DragDetect); |
| } |
| return OS.Pt_CONTINUE; |
| } |
| |
| void releaseChildren () { |
| Control [] children = _getChildren (); |
| for (int i=0; i<children.length; i++) { |
| Control child = children [i]; |
| if (!child.isDisposed ()) child.releaseResources (); |
| } |
| } |
| |
| void releaseHandle () { |
| super.releaseHandle (); |
| cornerHandle = 0; |
| } |
| |
| void releaseWidget () { |
| releaseChildren (); |
| super.releaseWidget (); |
| layout = null; |
| tabList = null; |
| } |
| |
| void resizeClientArea () { |
| int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0}; |
| OS.PtGetResources (scrolledHandle, args.length / 3, args); |
| resizeClientArea (args [1], args [4]); |
| } |
| |
| void resizeClientArea (int width, int height) { |
| if (scrolledHandle == 0) return; |
| |
| /* Calculate the insets */ |
| int [] args = { |
| OS.Pt_ARG_BASIC_FLAGS, 0, 0, |
| OS.Pt_ARG_BEVEL_WIDTH, 0, 0, |
| }; |
| OS.PtGetResources (scrolledHandle, args.length / 3, args); |
| int flags = args [1]; |
| int bevel = args [4]; |
| int top = 0, left = 0, right = 0, bottom = 0; |
| if ((flags & OS.Pt_TOP_ETCH) != 0) top++; |
| if ((flags & OS.Pt_TOP_OUTLINE) != 0) top++; |
| if ((flags & OS.Pt_TOP_INLINE) != 0) top++; |
| if ((flags & OS.Pt_TOP_BEVEL) != 0) top += bevel; |
| if ((flags & OS.Pt_BOTTOM_ETCH) != 0) bottom++; |
| if ((flags & OS.Pt_BOTTOM_OUTLINE) != 0) bottom++; |
| if ((flags & OS.Pt_BOTTOM_INLINE) != 0) bottom++; |
| if ((flags & OS.Pt_BOTTOM_BEVEL) != 0) bottom += bevel; |
| if ((flags & OS.Pt_RIGHT_ETCH) != 0) right++; |
| if ((flags & OS.Pt_RIGHT_OUTLINE) != 0) right++; |
| if ((flags & OS.Pt_RIGHT_INLINE) != 0) right++; |
| if ((flags & OS.Pt_RIGHT_BEVEL) != 0) right += bevel; |
| if ((flags & OS.Pt_LEFT_ETCH) != 0) left++; |
| if ((flags & OS.Pt_LEFT_OUTLINE) != 0) left++; |
| if ((flags & OS.Pt_LEFT_INLINE) != 0) left++; |
| if ((flags & OS.Pt_LEFT_BEVEL) != 0) left += bevel; |
| |
| int clientWidth = width - (left + right); |
| int clientHeight = height - (top + bottom); |
| |
| int vBarWidth = 0, hBarHeight = 0; |
| boolean isVisibleHBar = horizontalBar != null && horizontalBar.getVisible (); |
| boolean isVisibleVBar = verticalBar != null && verticalBar.getVisible (); |
| if (isVisibleHBar) { |
| args = new int [] {OS.Pt_ARG_HEIGHT, 0, 0}; |
| OS.PtGetResources (horizontalBar.handle, args.length / 3, args); |
| clientHeight -= (hBarHeight = args [1]); |
| } |
| if (isVisibleVBar) { |
| args = new int [] {OS.Pt_ARG_WIDTH, 0, 0}; |
| OS.PtGetResources (verticalBar.handle, args.length / 3, args); |
| clientWidth -= (vBarWidth = args [1]); |
| } |
| if (isVisibleHBar) { |
| horizontalBar.setBounds (0, clientHeight, clientWidth, hBarHeight); |
| } |
| if (isVisibleVBar) { |
| verticalBar.setBounds (clientWidth, 0, vBarWidth, clientHeight); |
| } |
| args = new int [] { |
| OS.Pt_ARG_WIDTH, Math.max (clientWidth, 0), 0, |
| OS.Pt_ARG_HEIGHT, Math.max (clientHeight, 0), 0, |
| }; |
| OS.PtSetResources (handle, args.length / 3, args); |
| if (cornerHandle != 0) { |
| PhPoint_t pt = new PhPoint_t (); |
| pt.x = (short) clientWidth; |
| pt.y = (short) clientHeight; |
| int ptr = OS.malloc (PhPoint_t.sizeof); |
| OS.memmove (ptr, pt, PhPoint_t.sizeof); |
| OS.PtSetResource (cornerHandle, OS.Pt_ARG_POS, ptr, 0); |
| OS.free (ptr); |
| } |
| } |
| |
| int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) { |
| int result = super.setBounds (x, y, width, height, move, resize, false); |
| if ((result & MOVED) != 0) { |
| if (events) sendEvent (SWT.Move); |
| } |
| if ((result & RESIZED) != 0) { |
| resizeClientArea (width, height); |
| if (events) sendEvent (SWT.Resize); |
| if (layout != null) layout (false); |
| } |
| return result; |
| } |
| |
| public boolean setFocus () { |
| checkWidget(); |
| Control [] children = _getChildren (); |
| for (int i=0; i<children.length; i++) { |
| Control child = children [i]; |
| if (child.getVisible () && child.setFocus ()) return true; |
| } |
| return super.setFocus (); |
| } |
| |
| /** |
| * 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; |
| } |
| |
| boolean setTabGroupFocus () { |
| if (isTabItem ()) return setTabItemFocus (); |
| if ((style & SWT.NO_FOCUS) == 0) { |
| boolean takeFocus = true; |
| if ((state & CANVAS) != 0) takeFocus = hooksKeys (); |
| if (takeFocus && setTabItemFocus ()) return true; |
| } |
| Control [] children = _getChildren (); |
| for (int i=0; i<children.length; i++) { |
| Control child = children [i]; |
| if (child.isTabItem () && child.setTabItemFocus ()) return true; |
| } |
| return false; |
| } |
| |
| boolean setTabItemFocus () { |
| if ((style & SWT.NO_FOCUS) == 0) { |
| boolean takeFocus = true; |
| if ((state & CANVAS) != 0) takeFocus = hooksKeys (); |
| if (takeFocus) { |
| if (!isShowing ()) return false; |
| if (forceFocus ()) return true; |
| } |
| } |
| return super.setTabItemFocus (); |
| } |
| |
| /** |
| * 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) error (SWT.ERROR_NULL_ARGUMENT); |
| 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); |
| } |
| this.tabList = tabList; |
| } |
| |
| int traversalCode (int key_sym, PhKeyEvent_t ke) { |
| if ((state & CANVAS) != 0) { |
| if ((style & SWT.NO_FOCUS) != 0) return 0; |
| if (hooksKeys ()) return 0; |
| } |
| return super.traversalCode (key_sym, ke); |
| } |
| |
| int widgetClass () { |
| if ((state & CANVAS) != 0) return OS.PtContainer (); |
| return super.widgetClass (); |
| } |
| |
| } |