--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2012 IBM Corporation and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.internal.*;
+import org.eclipse.swt.internal.win32.*;
+
+/**
+ * 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>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>FLAT, HORIZONTAL, VERTICAL</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>(none)</dd>
+ * </dl>
+ * <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>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class CoolBar extends Composite {
+ CoolItem [] items;
+ CoolItem [] originalItems;
+ boolean locked;
+ boolean ignoreResize;
+ static final 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 SWT#FLAT
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @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;
+ }
+}
+
+@Override
+long callWindowProc (long hwnd, int msg, long wParam, 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);
+}
+
+@Override
+protected void checkSubclass () {
+ if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
+}
+
+@Override Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
+ int width = 0, height = 0;
+ int border = getBorderWidthInPixels ();
+ int newWidth = wHint == SWT.DEFAULT ? 0x3FFF : wHint + (border * 2);
+ int newHeight = hHint == SWT.DEFAULT ? 0x3FFF : hHint + (border * 2);
+ int count = (int)OS.SendMessage (handle, OS.RB_GETBANDCOUNT, 0, 0);
+ if (count != 0) {
+ ignoreResize = true;
+ boolean redraw = false;
+ if (OS.IsWindowVisible (handle)) {
+ redraw = true;
+ OS.UpdateWindow (handle);
+ OS.DefWindowProc (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;
+ OS.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);
+ OS.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) {
+ OS.DefWindowProc (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);
+}
+
+@Override
+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.
+ */
+ long hFont = OS.GetStockObject (OS.SYSTEM_FONT);
+ OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0);
+}
+
+void createItem (CoolItem item, int index) {
+ int count = (int)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;
+ }
+ long hHeap = OS.GetProcessHeap ();
+ 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;
+}
+
+@Override
+void createWidget () {
+ super.createWidget ();
+ items = new CoolItem [4];
+ originalItems = new CoolItem [0];
+}
+
+void destroyItem (CoolItem item) {
+ int index = (int)OS.SendMessage (handle, OS.RB_IDTOINDEX, item.id, 0);
+ int count = (int)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;
+}
+
+@Override
+void drawThemeBackground (long hDC, long hwnd, RECT rect) {
+ if (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);
+}
+
+@Override
+Control findThemeControl () {
+ if ((style & SWT.FLAT) != 0) return this;
+ return background == -1 && backgroundImage == null ? this : super.findThemeControl ();
+}
+
+int getMargin (int index) {
+ int margin = 0;
+ 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)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)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)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)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 ();
+ Point [] sizes = getItemSizesInPixels();
+ if (sizes != null) {
+ for (int i = 0; i < sizes.length; i++) {
+ sizes[i] = DPIUtil.autoScaleDown(sizes[i]);
+ }
+ }
+ return sizes;
+}
+
+Point [] getItemSizesInPixels () {
+ int count = (int)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);
+ 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)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)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)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)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);
+}
+
+@Override
+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);
+}
+
+@Override
+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);
+ }
+ }
+}
+
+@Override
+void reskinChildren (int flags) {
+ if (items != null) {
+ for (int i=0; i<items.length; i++) {
+ CoolItem item = items [i];
+ if (item != null) item.reskin (flags);
+ }
+ }
+ super.reskinChildren (flags);
+}
+
+@Override
+void setBackgroundPixel (int pixel) {
+ if (pixel == -1) pixel = defaultBackground ();
+ OS.SendMessage (handle, OS.RB_SETBKCOLOR, 0, pixel);
+ setItemColors ((int)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;
+ int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
+ OS.RedrawWindow (handle, null, 0, flags);
+}
+
+@Override
+void setForegroundPixel (int pixel) {
+ if (pixel == -1) pixel = defaultForeground ();
+ OS.SendMessage (handle, OS.RB_SETTEXTCOLOR, 0, pixel);
+ setItemColors (pixel, (int)OS.SendMessage (handle, OS.RB_GETBKCOLOR, 0, 0));
+}
+
+void setItemColors (int foreColor, int backColor) {
+ int count = (int)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 ();
+ if (sizes == null) error (SWT.ERROR_NULL_ARGUMENT);
+ Point [] sizesInPoints = new Point [sizes.length];
+ for (int i = 0; i < sizes.length; i++) {
+ sizesInPoints[i] = DPIUtil.autoScaleUp(sizes[i]);
+ }
+ setItemLayoutInPixels (itemOrder, wrapIndices, sizesInPoints);
+}
+
+void setItemLayoutInPixels (int [] itemOrder, int [] wrapIndices, Point [] sizes) {
+ 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)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)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)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].setSizeInPixels (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)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);
+}
+
+@Override
+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;
+}
+
+@Override
+TCHAR windowClass () {
+ return ReBarClass;
+}
+
+@Override
+long windowProc () {
+ return ReBarProc;
+}
+
+@Override
+LRESULT WM_COMMAND (long wParam, 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;
+}
+
+@Override
+LRESULT WM_ERASEBKGND (long wParam, 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.IsAppThemed ()) {
+ drawBackground (wParam);
+ return null;
+ }
+ return result;
+}
+
+@Override
+LRESULT WM_NOTIFY (long wParam, 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;
+}
+
+@Override
+LRESULT WM_SETREDRAW (long wParam, 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.
+ */
+ return LRESULT.ZERO;
+}
+
+@Override
+LRESULT WM_SIZE (long wParam, long lParam) {
+ if (ignoreResize) {
+ long code = callWindowProc (handle, OS.WM_SIZE, wParam, lParam);
+ if (code == 0) return LRESULT.ZERO;
+ return new LRESULT (code);
+ }
+ //TEMPORARY CODE
+// if (OS.IsAppThemed ()) {
+// if (background == -1 && (style & SWT.FLAT) == 0) {
+// OS.InvalidateRect (handle, null, true);
+// }
+// }
+ return super.WM_SIZE (wParam, lParam);
+}
+
+@Override
+LRESULT wmNotifyChild (NMHDR hdr, long wParam, 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.setBoundsInPixels (lprbcs.rcChild_left, lprbcs.rcChild_top, width, height);
+ }
+ }
+ break;
+ }
+ case OS.RBN_HEIGHTCHANGE: {
+ if (!ignoreResize) {
+ Point size = getSizeInPixels ();
+ int border = getBorderWidthInPixels ();
+ int barHeight = (int)OS.SendMessage (handle, OS.RB_GETBARHEIGHT, 0, 0);
+ if ((style & SWT.VERTICAL) != 0) {
+ setSizeInPixels (barHeight + 2 * border, size.y);
+ } else {
+ setSizeInPixels (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.setLocationInPixels(lpnm.right, lpnm.top);
+ } else {
+ event.setLocationInPixels(lpnm.left, lpnm.bottom);
+ }
+ item.sendSelectionEvent(SWT.Selection, event, false);
+ }
+ break;
+ }
+ case OS.NM_CUSTOMDRAW: {
+ 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);
+}
+}
Code Review / simantics / platform.git / blobdiff