| /******************************************************************************* |
| * Copyright (c) 2000, 2008 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.win32.*; |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| /** |
| * Instances of this class provide an area for dynamically |
| * positioning the items they contain. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>CoolItem</code>. |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to add <code>Control</code> children to it, |
| * or set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>FLAT, HORIZONTAL, VERTICAL</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * </p><p> |
| * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#coolbar">CoolBar 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> |
| */ |
| |
| public class CoolBar extends Composite { |
| CoolItem [] items; |
| CoolItem [] originalItems; |
| boolean locked; |
| boolean ignoreResize; |
| static final int /*long*/ ReBarProc; |
| static final TCHAR ReBarClass = new TCHAR (0, OS.REBARCLASSNAME, true); |
| static { |
| INITCOMMONCONTROLSEX icex = new INITCOMMONCONTROLSEX (); |
| icex.dwSize = INITCOMMONCONTROLSEX.sizeof; |
| icex.dwICC = OS.ICC_COOL_CLASSES; |
| OS.InitCommonControlsEx (icex); |
| WNDCLASS lpWndClass = new WNDCLASS (); |
| OS.GetClassInfo (0, ReBarClass, lpWndClass); |
| ReBarProc = lpWndClass.lpfnWndProc; |
| } |
| static final int SEPARATOR_WIDTH = 2; |
| static final int MAX_WIDTH = 0x7FFF; |
| static final int DEFAULT_COOLBAR_WIDTH = 0; |
| static final int DEFAULT_COOLBAR_HEIGHT = 0; |
| |
| /** |
| * 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 |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public CoolBar (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| /* |
| * Ensure that either of HORIZONTAL or VERTICAL is set. |
| * NOTE: HORIZONTAL and VERTICAL have the same values |
| * as H_SCROLL and V_SCROLL so it is necessary to first |
| * clear these bits to avoid scroll bars and then reset |
| * the bits using the original style supplied by the |
| * programmer. |
| * |
| * NOTE: The CCS_VERT style cannot be applied when the |
| * widget is created because of this conflict. |
| */ |
| if ((style & SWT.VERTICAL) != 0) { |
| this.style |= SWT.VERTICAL; |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| OS.SetWindowLong (handle, OS.GWL_STYLE, bits | OS.CCS_VERT); |
| } else { |
| this.style |= SWT.HORIZONTAL; |
| } |
| } |
| |
| int /*long*/ callWindowProc (int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) { |
| if (handle == 0) return 0; |
| return OS.CallWindowProc (ReBarProc, hwnd, msg, wParam, lParam); |
| } |
| |
| static int checkStyle (int style) { |
| style |= SWT.NO_FOCUS; |
| /* |
| * Even though it is legal to create this widget |
| * with scroll bars, they serve no useful purpose |
| * because they do not automatically scroll the |
| * widget's client area. The fix is to clear |
| * the SWT style. |
| */ |
| return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| int width = 0, height = 0; |
| int border = getBorderWidth (); |
| int newWidth = wHint == SWT.DEFAULT ? 0x3FFF : wHint + (border * 2); |
| int newHeight = hHint == SWT.DEFAULT ? 0x3FFF : hHint + (border * 2); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (count != 0) { |
| ignoreResize = true; |
| boolean redraw = false; |
| if (OS.IsWindowVisible (handle)) { |
| if (OS.COMCTL32_MAJOR >= 6) { |
| redraw = true; |
| OS.UpdateWindow (handle); |
| OS.DefWindowProc (handle, OS.WM_SETREDRAW, 0, 0); |
| } else { |
| redraw = drawCount == 0; |
| if (redraw) { |
| OS.UpdateWindow (handle); |
| OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0); |
| } |
| } |
| } |
| RECT oldRect = new RECT (); |
| OS.GetWindowRect (handle, oldRect); |
| int oldWidth = oldRect.right - oldRect.left; |
| int oldHeight = oldRect.bottom - oldRect.top; |
| int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOREDRAW | OS.SWP_NOZORDER; |
| SetWindowPos (handle, 0, 0, 0, newWidth, newHeight, flags); |
| RECT rect = new RECT (); |
| OS.SendMessage (handle, OS.RB_GETRECT, count - 1, rect); |
| height = Math.max (height, rect.bottom); |
| SetWindowPos (handle, 0, 0, 0, oldWidth, oldHeight, flags); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_IDEALSIZE | OS.RBBIM_STYLE; |
| int rowWidth = 0; |
| for (int i = 0; i < count; i++) { |
| OS.SendMessage(handle, OS.RB_GETBANDINFO, i, rbBand); |
| if ((rbBand.fStyle & OS.RBBS_BREAK) != 0) { |
| width = Math.max(width, rowWidth); |
| rowWidth = 0; |
| } |
| rowWidth += rbBand.cxIdeal + getMargin (i); |
| } |
| width = Math.max(width, rowWidth); |
| if (redraw) { |
| if (OS.COMCTL32_MAJOR >= 6) { |
| OS.DefWindowProc (handle, OS.WM_SETREDRAW, 1, 0); |
| } else { |
| OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0); |
| } |
| } |
| ignoreResize = false; |
| } |
| if (width == 0) width = DEFAULT_COOLBAR_WIDTH; |
| if (height == 0) height = DEFAULT_COOLBAR_HEIGHT; |
| if ((style & SWT.VERTICAL) != 0) { |
| int tmp = width; |
| width = height; |
| height = tmp; |
| } |
| if (wHint != SWT.DEFAULT) width = wHint; |
| if (hHint != SWT.DEFAULT) height = hHint; |
| height += border * 2; |
| width += border * 2; |
| return new Point (width, height); |
| } |
| |
| void createHandle () { |
| super.createHandle (); |
| state &= ~(CANVAS | THEME_BACKGROUND); |
| |
| /* |
| * Feature in Windows. When the control is created, |
| * it does not use the default system font. A new HFONT |
| * is created and destroyed when the control is destroyed. |
| * This means that a program that queries the font from |
| * this control, uses the font in another control and then |
| * destroys this control will have the font unexpectedly |
| * destroyed in the other control. The fix is to assign |
| * the font ourselves each time the control is created. |
| * The control will not destroy a font that it did not |
| * create. |
| */ |
| int /*long*/ hFont = OS.GetStockObject (OS.SYSTEM_FONT); |
| OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0); |
| } |
| |
| void createItem (CoolItem item, int index) { |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE); |
| int id = 0; |
| while (id < items.length && items [id] != null) id++; |
| if (id == items.length) { |
| CoolItem [] newItems = new CoolItem [items.length + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| int /*long*/ hHeap = OS.GetProcessHeap (); |
| int /*long*/ lpText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, TCHAR.sizeof); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_TEXT | OS.RBBIM_STYLE | OS.RBBIM_ID; |
| rbBand.fStyle = OS.RBBS_VARIABLEHEIGHT | OS.RBBS_GRIPPERALWAYS; |
| if ((item.style & SWT.DROP_DOWN) != 0) { |
| rbBand.fStyle |= OS.RBBS_USECHEVRON; |
| } |
| rbBand.lpText = lpText; |
| rbBand.wID = id; |
| |
| /* |
| * Feature in Windows. When inserting an item at end of a row, |
| * sometimes, Windows will begin to place the item on the right |
| * side of the cool bar. The fix is to resize the new items to |
| * the maximum size and then resize the next to last item to the |
| * ideal size. |
| */ |
| int lastIndex = getLastIndexOfRow (index - 1); |
| boolean fixLast = index == lastIndex + 1; |
| if (fixLast) { |
| rbBand.fMask |= OS.RBBIM_SIZE; |
| rbBand.cx = MAX_WIDTH; |
| } |
| |
| /* |
| * Feature in Windows. Is possible that the item at index zero |
| * has the RBBS_BREAK flag set. When a new item is inserted at |
| * position zero, the previous item at position zero moves to |
| * a new line. The fix is to detect this case and clear the |
| * RBBS_BREAK flag on the previous item before inserting the |
| * new item. |
| */ |
| if (index == 0 && count > 0) { |
| getItem (0).setWrap (false); |
| } |
| |
| /* Insert the item */ |
| if (OS.SendMessage (handle, OS.RB_INSERTBAND, index, rbBand) == 0) { |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| |
| /* Resize the next to last item to the ideal size */ |
| if (fixLast) { |
| resizeToPreferredWidth (lastIndex); |
| } |
| |
| OS.HeapFree (hHeap, 0, lpText); |
| items [item.id = id] = item; |
| int length = originalItems.length; |
| CoolItem [] newOriginals = new CoolItem [length + 1]; |
| System.arraycopy (originalItems, 0, newOriginals, 0, index); |
| System.arraycopy (originalItems, index, newOriginals, index + 1, length - index); |
| newOriginals [index] = item; |
| originalItems = newOriginals; |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| items = new CoolItem [4]; |
| originalItems = new CoolItem [0]; |
| } |
| |
| void destroyItem (CoolItem item) { |
| int index = (int)/*64*/OS.SendMessage (handle, OS.RB_IDTOINDEX, item.id, 0); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (count != 0) { |
| int lastIndex = getLastIndexOfRow (index); |
| if (index == lastIndex) { |
| /* |
| * Feature in Windows. If the last item in a row is |
| * given its ideal size, it will be placed at the far |
| * right hand edge of the coolbar. It is preferred |
| * that the last item appear next to the second last |
| * item. The fix is to size the last item of each row |
| * so that it occupies all the available space to the |
| * right in the row. |
| */ |
| resizeToMaximumWidth (lastIndex - 1); |
| } |
| } |
| |
| /* |
| * Feature in Windows. When Windows removed a rebar |
| * band, it makes the band child invisible. The fix |
| * is to show the child. |
| */ |
| Control control = item.control; |
| boolean wasVisible = control != null && !control.isDisposed() && control.getVisible (); |
| |
| /* |
| * When a wrapped item is being deleted, make the next |
| * item in the row wrapped in order to preserve the row. |
| * In order to avoid an unnecessary layout, temporarily |
| * ignore WM_SIZE. If the next item is wrapped then a |
| * row will be deleted and the WM_SIZE is necessary. |
| */ |
| CoolItem nextItem = null; |
| if (item.getWrap ()) { |
| if (index + 1 < count) { |
| nextItem = getItem (index + 1); |
| ignoreResize = !nextItem.getWrap (); |
| } |
| } |
| if (OS.SendMessage (handle, OS.RB_DELETEBAND, index, 0) == 0) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| items [item.id] = null; |
| item.id = -1; |
| if (ignoreResize) { |
| nextItem.setWrap (true); |
| ignoreResize = false; |
| } |
| |
| /* Restore the visible state of the control */ |
| if (wasVisible) control.setVisible (true); |
| |
| index = 0; |
| while (index < originalItems.length) { |
| if (originalItems [index] == item) break; |
| index++; |
| } |
| int length = originalItems.length - 1; |
| CoolItem [] newOriginals = new CoolItem [length]; |
| System.arraycopy (originalItems, 0, newOriginals, 0, index); |
| System.arraycopy (originalItems, index + 1, newOriginals, index, length - index); |
| originalItems = newOriginals; |
| } |
| |
| void drawThemeBackground (int /*long*/ hDC, int /*long*/ hwnd, RECT rect) { |
| if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { |
| if (background == -1 && (style & SWT.FLAT) != 0) { |
| Control control = findBackgroundControl (); |
| if (control != null && control.backgroundImage != null) { |
| fillBackground (hDC, control.getBackgroundPixel (), rect); |
| return; |
| } |
| } |
| } |
| RECT rect2 = new RECT (); |
| OS.GetClientRect (handle, rect2); |
| OS.MapWindowPoints (handle, hwnd, rect2, 2); |
| POINT lpPoint = new POINT (); |
| OS.SetWindowOrgEx (hDC, -rect2.left, -rect2.top, lpPoint); |
| OS.SendMessage (handle, OS.WM_PRINT, hDC, OS.PRF_CLIENT | OS.PRF_ERASEBKGND); |
| OS.SetWindowOrgEx (hDC, lpPoint.x, lpPoint.y, null); |
| } |
| |
| Control findThemeControl () { |
| if ((style & SWT.FLAT) != 0) return this; |
| return background == -1 && backgroundImage == null ? this : super.findThemeControl (); |
| } |
| |
| int getMargin (int index) { |
| int margin = 0; |
| if (OS.COMCTL32_MAJOR >= 6) { |
| MARGINS margins = new MARGINS (); |
| OS.SendMessage (handle, OS.RB_GETBANDMARGINS, 0, margins); |
| margin += margins.cxLeftWidth + margins.cxRightWidth; |
| } |
| RECT rect = new RECT (); |
| OS.SendMessage (handle, OS.RB_GETBANDBORDERS, index, rect); |
| if ((style & SWT.FLAT) != 0) { |
| /* |
| * Bug in Windows. When the style bit RBS_BANDBORDERS is not set |
| * the rectangle returned by RBS_BANDBORDERS is four pixels too small. |
| * The fix is to add four pixels to the result. |
| */ |
| if ((style & SWT.VERTICAL) != 0) { |
| margin += rect.top + 4; |
| } else { |
| margin += rect.left + 4; |
| } |
| } else { |
| if ((style & SWT.VERTICAL) != 0) { |
| margin += rect.top + rect.bottom; |
| } else { |
| margin += rect.left + rect.right; |
| } |
| } |
| if ((style & SWT.FLAT) == 0) { |
| if (!isLastItemOfRow (index)) { |
| margin += CoolBar.SEPARATOR_WIDTH; |
| } |
| } |
| return margin; |
| } |
| |
| /** |
| * Returns the item that is currently displayed at the given, |
| * zero-relative index. Throws an exception if the index is |
| * out of range. |
| * |
| * @param index the visual index of the item to return |
| * @return the item at the given visual index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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 CoolItem getItem (int index) { |
| checkWidget (); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (!(0 <= index && index < count)) error (SWT.ERROR_INVALID_RANGE); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_ID; |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, index, rbBand); |
| return items [rbBand.wID]; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver. |
| * |
| * @return the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount () { |
| checkWidget (); |
| return (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| } |
| |
| /** |
| * Returns an array of zero-relative ints that map |
| * the creation order of the receiver's items to the |
| * order in which they are currently being displayed. |
| * <p> |
| * Specifically, the indices of the returned array represent |
| * the current visual order of the items, and the contents |
| * of the array represent the creation order of the items. |
| * </p><p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the current visual order of the receiver's items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int [] getItemOrder () { |
| checkWidget (); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| int [] indices = new int [count]; |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_ID; |
| for (int i=0; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| CoolItem item = items [rbBand.wID]; |
| int index = 0; |
| while (index<originalItems.length) { |
| if (originalItems [index] == item) break; |
| index++; |
| } |
| if (index == originalItems.length) error (SWT.ERROR_CANNOT_GET_ITEM); |
| indices [i] = index; |
| } |
| return indices; |
| } |
| |
| /** |
| * Returns an array of <code>CoolItem</code>s in the order |
| * in which they are currently being displayed. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the receiver's items in their current visual 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> |
| */ |
| public CoolItem [] getItems () { |
| checkWidget (); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| CoolItem [] result = new CoolItem [count]; |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_ID; |
| for (int i=0; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| result [i] = items [rbBand.wID]; |
| } |
| return result; |
| } |
| |
| /** |
| * Returns an array of points whose x and y coordinates describe |
| * the widths and heights (respectively) of the items in the receiver |
| * in the order in which they are currently being displayed. |
| * |
| * @return the receiver's item sizes in their current visual 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> |
| */ |
| public Point [] getItemSizes () { |
| checkWidget (); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| Point [] sizes = new Point [count]; |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_CHILDSIZE; |
| int separator = (style & SWT.FLAT) == 0 ? SEPARATOR_WIDTH : 0; |
| MARGINS margins = new MARGINS (); |
| for (int i=0; i<count; i++) { |
| RECT rect = new RECT (); |
| OS.SendMessage (handle, OS.RB_GETRECT, i, rect); |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| if (OS.COMCTL32_MAJOR >= 6) { |
| OS.SendMessage (handle, OS.RB_GETBANDMARGINS, 0, margins); |
| rect.left -= margins.cxLeftWidth; |
| rect.right += margins.cxRightWidth; |
| } |
| if (!isLastItemOfRow(i)) rect.right += separator; |
| if ((style & SWT.VERTICAL) != 0) { |
| sizes [i] = new Point (rbBand.cyChild, rect.right - rect.left); |
| } else { |
| sizes [i] = new Point (rect.right - rect.left, rbBand.cyChild); |
| } |
| } |
| return sizes; |
| } |
| |
| int getLastIndexOfRow (int index) { |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (count == 0) return -1; |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_STYLE; |
| for (int i=index + 1; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| if ((rbBand.fStyle & OS.RBBS_BREAK) != 0) { |
| return i - 1; |
| } |
| } |
| return count - 1; |
| } |
| |
| boolean isLastItemOfRow (int index) { |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (index + 1 == count) return true; |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_STYLE; |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, index + 1, rbBand); |
| return (rbBand.fStyle & OS.RBBS_BREAK) != 0; |
| } |
| |
| /** |
| * Returns whether or not the receiver is 'locked'. When a coolbar |
| * is locked, its items cannot be repositioned. |
| * |
| * @return true if the coolbar is locked, false 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 2.0 |
| */ |
| public boolean getLocked () { |
| checkWidget (); |
| return locked; |
| } |
| |
| /** |
| * Returns an array of ints that describe the zero-relative |
| * indices of any item(s) in the receiver that will begin on |
| * a new row. The 0th visible item always begins the first row, |
| * therefore it does not count as a wrap index. |
| * |
| * @return an array containing the receiver's wrap indices, or an empty array if all items are in one row |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int [] getWrapIndices () { |
| checkWidget (); |
| CoolItem [] items = getItems (); |
| int [] indices = new int [items.length]; |
| int count = 0; |
| for (int i=0; i<items.length; i++) { |
| if (items [i].getWrap ()) indices [count++] = i; |
| } |
| int [] result = new int [count]; |
| System.arraycopy (indices, 0, result, 0, count); |
| return result; |
| } |
| |
| /** |
| * Searches the receiver's items in the order they are currently |
| * being displayed, starting at the first item (index 0), until |
| * an item is found that is equal to the argument, and returns |
| * the index of that item. If no item is found, returns -1. |
| * |
| * @param item the search item |
| * @return the visual order index of the search item, or -1 if the item is not found |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item is disposed</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 int indexOf (CoolItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| return (int)/*64*/OS.SendMessage (handle, OS.RB_IDTOINDEX, item.id, 0); |
| } |
| |
| void resizeToPreferredWidth (int index) { |
| /* |
| * Bug in Windows. When RB_GETBANDBORDERS is sent |
| * with an index out of range, Windows GP's. The |
| * fix is to ensure the index is in range. |
| */ |
| int count = (int)/*64*/OS.SendMessage(handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (0 <= index && index < count) { |
| REBARBANDINFO rbBand = new REBARBANDINFO(); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_IDEALSIZE; |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, index, rbBand); |
| RECT rect = new RECT (); |
| OS.SendMessage (handle, OS.RB_GETBANDBORDERS, index, rect); |
| rbBand.cx = rbBand.cxIdeal + rect.left; |
| if ((style & SWT.FLAT) == 0) rbBand.cx += rect.right; |
| rbBand.fMask = OS.RBBIM_SIZE; |
| OS.SendMessage (handle, OS.RB_SETBANDINFO, index, rbBand); |
| } |
| } |
| |
| void resizeToMaximumWidth (int index) { |
| REBARBANDINFO rbBand = new REBARBANDINFO(); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_SIZE; |
| rbBand.cx = MAX_WIDTH; |
| OS.SendMessage (handle, OS.RB_SETBANDINFO, index, rbBand); |
| } |
| |
| void releaseChildren (boolean destroy) { |
| if (items != null) { |
| for (int i=0; i<items.length; i++) { |
| CoolItem item = items [i]; |
| if (item != null && !item.isDisposed ()) { |
| item.release (false); |
| } |
| } |
| items = null; |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| void removeControl (Control control) { |
| super.removeControl (control); |
| for (int i=0; i<items.length; i++) { |
| CoolItem item = items [i]; |
| if (item != null && item.control == control) { |
| item.setControl (null); |
| } |
| } |
| } |
| |
| void setBackgroundPixel (int pixel) { |
| if (pixel == -1) pixel = defaultBackground (); |
| OS.SendMessage (handle, OS.RB_SETBKCOLOR, 0, pixel); |
| setItemColors ((int)/*64*/OS.SendMessage (handle, OS.RB_GETTEXTCOLOR, 0, 0), pixel); |
| /* |
| * Feature in Windows. For some reason, Windows |
| * does not fully erase the coolbar area and coolbar |
| * items when you set the background. The fix is |
| * to invalidate the coolbar area. |
| */ |
| if (!OS.IsWindowVisible (handle)) return; |
| if (OS.IsWinCE) { |
| OS.InvalidateRect (handle, null, true); |
| } else { |
| int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN; |
| OS.RedrawWindow (handle, null, 0, flags); |
| } |
| } |
| |
| void setForegroundPixel (int pixel) { |
| if (pixel == -1) pixel = defaultForeground (); |
| OS.SendMessage (handle, OS.RB_SETTEXTCOLOR, 0, pixel); |
| setItemColors (pixel, (int)/*64*/OS.SendMessage (handle, OS.RB_GETBKCOLOR, 0, 0)); |
| } |
| |
| void setItemColors (int foreColor, int backColor) { |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_COLORS; |
| rbBand.clrFore = foreColor; |
| rbBand.clrBack = backColor; |
| for (int i=0; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_SETBANDINFO, i, rbBand); |
| } |
| } |
| |
| /** |
| * Sets the receiver's item order, wrap indices, and item sizes |
| * all at once. This method is typically used to restore the |
| * displayed state of the receiver to a previously stored state. |
| * <p> |
| * The item order is the order in which the items in the receiver |
| * should be displayed, given in terms of the zero-relative ordering |
| * of when the items were added. |
| * </p><p> |
| * The wrap indices are the indices of all item(s) in the receiver |
| * that will begin on a new row. The indices are given in the order |
| * specified by the item order. The 0th item always begins the first |
| * row, therefore it does not count as a wrap index. If wrap indices |
| * is null or empty, the items will be placed on one line. |
| * </p><p> |
| * The sizes are specified in an array of points whose x and y |
| * coordinates describe the new widths and heights (respectively) |
| * of the receiver's items in the order specified by the item order. |
| * </p> |
| * |
| * @param itemOrder an array of indices that describe the new order to display the items in |
| * @param wrapIndices an array of wrap indices, or null |
| * @param sizes an array containing the new sizes for each of the receiver's items in visual 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> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if item order or sizes is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if item order or sizes is not the same length as the number of items</li> |
| * </ul> |
| */ |
| public void setItemLayout (int [] itemOrder, int [] wrapIndices, Point [] sizes) { |
| checkWidget (); |
| setRedraw (false); |
| setItemOrder (itemOrder); |
| setWrapIndices (wrapIndices); |
| setItemSizes (sizes); |
| setRedraw (true); |
| } |
| |
| /* |
| * Sets the order that the items in the receiver should |
| * be displayed in to the given argument which is described |
| * in terms of the zero-relative ordering of when the items |
| * were added. |
| * |
| * @param itemOrder the new order to display the items in |
| * |
| * @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> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> |
| * </ul> |
| */ |
| void setItemOrder (int [] itemOrder) { |
| if (itemOrder == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int itemCount = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (itemOrder.length != itemCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| |
| /* Ensure that itemOrder does not contain any duplicates. */ |
| boolean [] set = new boolean [itemCount]; |
| for (int i=0; i<itemOrder.length; i++) { |
| int index = itemOrder [i]; |
| if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); |
| if (set [index]) error (SWT.ERROR_INVALID_ARGUMENT); |
| set [index] = true; |
| } |
| |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| for (int i=0; i<itemOrder.length; i++) { |
| int id = originalItems [itemOrder [i]].id; |
| int index = (int)/*64*/OS.SendMessage (handle, OS.RB_IDTOINDEX, id, 0); |
| if (index != i) { |
| int lastItemSrcRow = getLastIndexOfRow (index); |
| int lastItemDstRow = getLastIndexOfRow (i); |
| if (index == lastItemSrcRow) { |
| resizeToPreferredWidth (index); |
| } |
| if (i == lastItemDstRow) { |
| resizeToPreferredWidth (i); |
| } |
| |
| /* Move the item */ |
| OS.SendMessage (handle, OS.RB_MOVEBAND, index, i); |
| |
| if (index == lastItemSrcRow && index - 1 >= 0) { |
| resizeToMaximumWidth (index - 1); |
| } |
| if (i == lastItemDstRow) { |
| resizeToMaximumWidth (i); |
| } |
| } |
| } |
| } |
| |
| /* |
| * Sets the width and height of the receiver's items to the ones |
| * specified by the argument, which is an array of points whose x |
| * and y coordinates describe the widths and heights (respectively) |
| * in the order in which the items are currently being displayed. |
| * |
| * @param sizes an array containing the new sizes for each of the receiver's items in visual order |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of sizes is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the array of sizes is not the same length as the number of items</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> |
| */ |
| void setItemSizes (Point [] sizes) { |
| if (sizes == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| if (sizes.length != count) error (SWT.ERROR_INVALID_ARGUMENT); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_ID; |
| for (int i=0; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| items [rbBand.wID].setSize (sizes [i].x, sizes [i].y); |
| } |
| } |
| |
| /** |
| * Sets whether or not the receiver is 'locked'. When a coolbar |
| * is locked, its items cannot be repositioned. |
| * |
| * @param locked lock the coolbar if true, otherwise unlock the coolbar |
| * |
| * @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 2.0 |
| */ |
| public void setLocked (boolean locked) { |
| checkWidget (); |
| this.locked = locked; |
| int count = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0); |
| REBARBANDINFO rbBand = new REBARBANDINFO (); |
| rbBand.cbSize = REBARBANDINFO.sizeof; |
| rbBand.fMask = OS.RBBIM_STYLE; |
| for (int i=0; i<count; i++) { |
| OS.SendMessage (handle, OS.RB_GETBANDINFO, i, rbBand); |
| if (locked) { |
| rbBand.fStyle |= OS.RBBS_NOGRIPPER; |
| } else { |
| rbBand.fStyle &= ~OS.RBBS_NOGRIPPER; |
| } |
| OS.SendMessage (handle, OS.RB_SETBANDINFO, i, rbBand); |
| } |
| } |
| |
| /** |
| * Sets the indices of all item(s) in the receiver that will |
| * begin on a new row. The indices are given in the order in |
| * which they are currently being displayed. The 0th item |
| * always begins the first row, therefore it does not count |
| * as a wrap index. If indices is null or empty, the items |
| * will be placed on one line. |
| * |
| * @param indices an array of wrap indices, 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 setWrapIndices (int [] indices) { |
| checkWidget (); |
| if (indices == null) indices = new int [0]; |
| int count = getItemCount (); |
| for (int i=0; i<indices.length; i++) { |
| if (indices [i] < 0 || indices [i] >= count) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| } |
| setRedraw (false); |
| CoolItem [] items = getItems (); |
| for (int i=0; i<items.length; i++) { |
| CoolItem item = items [i]; |
| if (item.getWrap ()) { |
| resizeToPreferredWidth (i - 1); |
| item.setWrap (false); |
| } |
| } |
| resizeToMaximumWidth (count - 1); |
| for (int i=0; i<indices.length; i++) { |
| int index = indices [i]; |
| if (0 <= index && index < items.length) { |
| CoolItem item = items [index]; |
| item.setWrap (true); |
| resizeToMaximumWidth (index - 1); |
| } |
| } |
| setRedraw (true); |
| } |
| |
| int widgetStyle () { |
| int bits = super.widgetStyle () | OS.CCS_NODIVIDER | OS.CCS_NORESIZE; |
| bits |= OS.RBS_VARHEIGHT | OS.RBS_DBLCLKTOGGLE; |
| if ((style & SWT.FLAT) == 0) bits |= OS.RBS_BANDBORDERS; |
| return bits; |
| } |
| |
| TCHAR windowClass () { |
| return ReBarClass; |
| } |
| |
| int /*long*/ windowProc () { |
| return ReBarProc; |
| } |
| |
| LRESULT WM_COMMAND (int /*long*/ wParam, int /*long*/ lParam) { |
| /* |
| * Feature in Windows. When the coolbar window |
| * proc processes WM_COMMAND, it forwards this |
| * message to its parent. This is done so that |
| * children of this control that send this message |
| * type to their parent will notify not only |
| * this control but also the parent of this control, |
| * which is typically the application window and |
| * the window that is looking for the message. |
| * If the control did not forward the message, |
| * applications would have to subclass the control |
| * window to see the message. Because the control |
| * window is subclassed by SWT, the message |
| * is delivered twice, once by SWT and once when |
| * the message is forwarded by the window proc. |
| * The fix is to avoid calling the window proc |
| * for this control. |
| */ |
| LRESULT result = super.WM_COMMAND (wParam, lParam); |
| if (result != null) return result; |
| return LRESULT.ZERO; |
| } |
| |
| LRESULT WM_ERASEBKGND (int /*long*/ wParam, int /*long*/ lParam) { |
| LRESULT result = super.WM_ERASEBKGND (wParam, lParam); |
| /* |
| * Feature in Windows. For some reason, Windows |
| * does not fully erase the area that the cool bar |
| * occupies when the size of the cool bar is larger |
| * than the space occupied by the cool bar items. |
| * The fix is to erase the cool bar background. |
| * |
| * NOTE: On versions of Windows prior to XP, for |
| * some reason, the cool bar draws separators in |
| * WM_ERASEBKGND. Therefore it is essential to run |
| * the cool bar window proc after the background has |
| * been erased. |
| */ |
| if (OS.COMCTL32_MAJOR < 6 || !OS.IsAppThemed ()) { |
| drawBackground (wParam); |
| return null; |
| } |
| return result; |
| } |
| |
| LRESULT WM_NOTIFY (int /*long*/ wParam, int /*long*/ lParam) { |
| /* |
| * Feature in Windows. When the cool bar window |
| * proc processes WM_NOTIFY, it forwards this |
| * message to its parent. This is done so that |
| * children of this control that send this message |
| * type to their parent will notify not only |
| * this control but also the parent of this control, |
| * which is typically the application window and |
| * the window that is looking for the message. |
| * If the control did not forward the message, |
| * applications would have to subclass the control |
| * window to see the message. Because the control |
| * window is subclassed by SWT, the message |
| * is delivered twice, once by SWT and once when |
| * the message is forwarded by the window proc. |
| * The fix is to avoid calling the window proc |
| * for this control. |
| */ |
| LRESULT result = super.WM_NOTIFY (wParam, lParam); |
| if (result != null) return result; |
| return LRESULT.ZERO; |
| } |
| |
| LRESULT WM_SETREDRAW (int /*long*/ wParam, int /*long*/ lParam) { |
| LRESULT result = super.WM_SETREDRAW (wParam, lParam); |
| if (result != null) return result; |
| /* |
| * Feature in Windows. When redraw is turned off, the rebar |
| * control does not call the default window proc. This means |
| * that the rebar will redraw and children of the rebar will |
| * also redraw. The fix is to call both the rebar window proc |
| * and the default window proc. |
| * |
| * NOTE: The rebar control can resize itself in WM_SETREDRAW. |
| * When redraw is turned off by the default window proc, this |
| * can leave pixel corruption in the parent. The fix is to |
| * detect the size change and damage the previous area in the |
| * parent. |
| * |
| * NOTE: In version 6.00 of COMCTL32.DLL, when WM_SETREDRAW |
| * is off, we cannot detect that the size has changed causing |
| * pixel corruption. The fix is to disallow WM_SETREDRAW by |
| * not running the default window proc or the rebar window |
| * proc. |
| */ |
| if (OS.COMCTL32_MAJOR >= 6) return LRESULT.ZERO; |
| Rectangle rect = getBounds (); |
| int /*long*/ code = callWindowProc (handle, OS.WM_SETREDRAW, wParam, lParam); |
| OS.DefWindowProc (handle, OS.WM_SETREDRAW, wParam, lParam); |
| if (!rect.equals (getBounds ())) { |
| parent.redraw (rect.x, rect.y, rect.width, rect.height, true); |
| } |
| return new LRESULT (code); |
| } |
| |
| LRESULT WM_SIZE (int /*long*/ wParam, int /*long*/ lParam) { |
| if (ignoreResize) { |
| int /*long*/ code = callWindowProc (handle, OS.WM_SIZE, wParam, lParam); |
| if (code == 0) return LRESULT.ZERO; |
| return new LRESULT (code); |
| } |
| //TEMPORARY CODE |
| // if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { |
| // if (background == -1 && (style & SWT.FLAT) == 0) { |
| // OS.InvalidateRect (handle, null, true); |
| // } |
| // } |
| return super.WM_SIZE (wParam, lParam); |
| } |
| |
| LRESULT wmNotifyChild (NMHDR hdr, int /*long*/ wParam, int /*long*/ lParam) { |
| switch (hdr.code) { |
| case OS.RBN_BEGINDRAG: { |
| int pos = OS.GetMessagePos (); |
| POINT pt = new POINT (); |
| OS.POINTSTOPOINT (pt, pos); |
| OS.ScreenToClient (handle, pt); |
| int button = display.lastButton != 0 ? display.lastButton : 1; |
| if (!sendDragEvent (button, pt.x, pt.y)) return LRESULT.ONE; |
| break; |
| } |
| case OS.RBN_CHILDSIZE: { |
| /* |
| * Bug in Windows. When Windows sets the size of the rebar band |
| * child and the child is a combo box, the size of the drop down |
| * portion of the combo box is resized to zero. The fix is to set |
| * the size of the control to the current size after the rebar has |
| * already resized it. If the control is not a combo, this does |
| * nothing. If the control is a combo, the drop down portion is |
| * recalculated. |
| */ |
| NMREBARCHILDSIZE lprbcs = new NMREBARCHILDSIZE (); |
| OS.MoveMemory (lprbcs, lParam, NMREBARCHILDSIZE.sizeof); |
| if (lprbcs.uBand != -1) { |
| CoolItem item = items [lprbcs.wID]; |
| Control control = item.control; |
| if (control != null) { |
| int width = lprbcs.rcChild_right - lprbcs.rcChild_left; |
| int height = lprbcs.rcChild_bottom - lprbcs.rcChild_top; |
| control.setBounds (lprbcs.rcChild_left, lprbcs.rcChild_top, width, height); |
| } |
| } |
| break; |
| } |
| case OS.RBN_HEIGHTCHANGE: { |
| if (!ignoreResize) { |
| Point size = getSize (); |
| int border = getBorderWidth (); |
| int barHeight = (int)/*64*/OS.SendMessage (handle, OS.RB_GETBARHEIGHT, 0, 0); |
| if ((style & SWT.VERTICAL) != 0) { |
| setSize (barHeight + 2 * border, size.y); |
| } else { |
| setSize (size.x, barHeight + 2 * border); |
| } |
| } |
| break; |
| } |
| case OS.RBN_CHEVRONPUSHED: { |
| NMREBARCHEVRON lpnm = new NMREBARCHEVRON (); |
| OS.MoveMemory (lpnm, lParam, NMREBARCHEVRON.sizeof); |
| CoolItem item = items [lpnm.wID]; |
| if (item != null) { |
| Event event = new Event(); |
| event.detail = SWT.ARROW; |
| if ((style & SWT.VERTICAL) != 0) { |
| event.x = lpnm.right; |
| event.y = lpnm.top; |
| } else { |
| event.x = lpnm.left; |
| event.y = lpnm.bottom; |
| } |
| item.postEvent (SWT.Selection, event); |
| } |
| break; |
| } |
| case OS.NM_CUSTOMDRAW: { |
| /* |
| * Bug in Windows. On versions of Windows prior to XP, |
| * drawing the background color in NM_CUSTOMDRAW erases |
| * the separators. The fix is to draw the background |
| * in WM_ERASEBKGND. |
| */ |
| if (OS.COMCTL32_MAJOR < 6) break; |
| if (findBackgroundControl () != null || (style & SWT.FLAT) != 0) { |
| NMCUSTOMDRAW nmcd = new NMCUSTOMDRAW (); |
| OS.MoveMemory (nmcd, lParam, NMCUSTOMDRAW.sizeof); |
| switch (nmcd.dwDrawStage) { |
| case OS.CDDS_PREERASE: |
| return new LRESULT (OS.CDRF_SKIPDEFAULT | OS.CDRF_NOTIFYPOSTERASE); |
| case OS.CDDS_POSTERASE: |
| drawBackground (nmcd.hdc); |
| break; |
| } |
| } |
| break; |
| } |
| } |
| return super.wmNotifyChild (hdr, wParam, lParam); |
| } |
| } |