| /******************************************************************************* |
| * 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.win32.*; |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| /** |
| * Instances of this class represent a non-selectable |
| * user interface object that displays a string or image. |
| * When SEPARATOR is specified, displays a single |
| * vertical or horizontal line. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd> |
| * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> |
| * <dd>CENTER, LEFT, RIGHT, WRAP</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified. |
| * SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified. |
| * Only one of CENTER, LEFT and RIGHT may be specified. |
| * </p><p> |
| * IMPORTANT: This class is intended to be subclassed <em>only</em> |
| * within the SWT implementation. |
| * </p> |
| */ |
| public class Label extends Control { |
| Image image; |
| int font; |
| static final int LabelProc; |
| static final TCHAR LabelClass = new TCHAR (0, "STATIC", true); |
| static { |
| WNDCLASS lpWndClass = new WNDCLASS (); |
| OS.GetClassInfo (0, LabelClass, lpWndClass); |
| LabelProc = lpWndClass.lpfnWndProc; |
| } |
| |
| /** |
| * 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#SEPARATOR |
| * @see SWT#HORIZONTAL |
| * @see SWT#VERTICAL |
| * @see SWT#SHADOW_IN |
| * @see SWT#SHADOW_OUT |
| * @see SWT#SHADOW_NONE |
| * @see SWT#CENTER |
| * @see SWT#LEFT |
| * @see SWT#RIGHT |
| * @see SWT#WRAP |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Label (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| int callWindowProc (int msg, int wParam, int lParam) { |
| if (handle == 0) return 0; |
| return OS.CallWindowProc (LabelProc, handle, msg, wParam, lParam); |
| } |
| |
| static int checkStyle (int style) { |
| if ((style & SWT.SEPARATOR) != 0) { |
| style = checkBits (style, SWT.VERTICAL, SWT.HORIZONTAL, 0, 0, 0, 0); |
| return checkBits (style, SWT.SHADOW_NONE, SWT.SHADOW_IN, SWT.SHADOW_OUT, 0, 0, 0); |
| } |
| return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| int width = 0, height = 0; |
| int border = getBorderWidth (); |
| if ((style & SWT.SEPARATOR) != 0) { |
| int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER); |
| if ((style & SWT.HORIZONTAL) != 0) { |
| width = DEFAULT_WIDTH; height = lineWidth * 2; |
| } else { |
| width = lineWidth * 2; height = DEFAULT_HEIGHT; |
| } |
| if (wHint != SWT.DEFAULT) width = wHint; |
| if (hHint != SWT.DEFAULT) height = hHint; |
| width += border * 2; height += border * 2; |
| return new Point (width, height); |
| } |
| /* |
| * NOTE: SS_BITMAP and SS_ICON are not single bit |
| * masks so it is necessary to test for all of the |
| * bits in these masks. |
| */ |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| boolean isBitmap = (bits & OS.SS_BITMAP) == OS.SS_BITMAP; |
| boolean isIcon = (bits & OS.SS_ICON) == OS.SS_ICON; |
| if (isBitmap || isIcon) { |
| if (image != null) { |
| Rectangle rect = image.getBounds(); |
| width = rect.width; |
| height = rect.height; |
| } |
| } else { |
| int hDC = OS.GetDC (handle); |
| int newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0); |
| int oldFont = OS.SelectObject (hDC, newFont); |
| RECT rect = new RECT (); |
| int flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_EXPANDTABS; |
| if ((style & SWT.WRAP) != 0 && wHint != SWT.DEFAULT) { |
| flags |= OS.DT_WORDBREAK; |
| rect.right = wHint; |
| } |
| int length = OS.GetWindowTextLength (handle); |
| TCHAR buffer = new TCHAR (getCodePage (), length + 1); |
| OS.GetWindowText (handle, buffer, length + 1); |
| OS.DrawText (hDC, buffer, length, rect, flags); |
| width = rect.right - rect.left; |
| height = rect.bottom - rect.top; |
| if (height == 0) { |
| TEXTMETRIC tm = new TEXTMETRIC (); |
| OS.GetTextMetrics (hDC, tm); |
| height = tm.tmHeight; |
| } |
| if (newFont != 0) OS.SelectObject (hDC, oldFont); |
| OS.ReleaseDC (handle, hDC); |
| } |
| if (wHint != SWT.DEFAULT) width = wHint; |
| if (hHint != SWT.DEFAULT) height = hHint; |
| width += border * 2; height += border * 2; |
| /* |
| * Feature in WinCE PPC. Text labels have a trim |
| * of one pixel wide on the right and left side. |
| * The fix is to increase the size. |
| */ |
| if (OS.IsWinCE) { |
| if (!isBitmap && !isIcon) width += 2; |
| } |
| return new Point (width, height); |
| } |
| |
| /** |
| * Returns a value which describes the position of the |
| * text or image in the receiver. The value will be one of |
| * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> |
| * unless the receiver is a <code>SEPARATOR</code> label, in |
| * which case, <code>NONE</code> is returned. |
| * |
| * @return the alignment |
| * |
| * @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 getAlignment () { |
| checkWidget (); |
| if ((style & SWT.SEPARATOR) != 0) return 0; |
| if ((style & SWT.LEFT) != 0) return SWT.LEFT; |
| if ((style & SWT.CENTER) != 0) return SWT.CENTER; |
| if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; |
| return SWT.LEFT; |
| } |
| |
| /** |
| * Returns the receiver's image if it has one, or null |
| * if it does not. |
| * |
| * @return the receiver's image |
| * |
| * @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 Image getImage () { |
| checkWidget (); |
| return image; |
| } |
| |
| String getNameText () { |
| return getText (); |
| } |
| |
| /** |
| * Returns the receiver's text, which will be an empty |
| * string if it has never been set or if the receiver is |
| * a <code>SEPARATOR</code> label. |
| * |
| * @return the receiver's text |
| * |
| * @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 String getText () { |
| checkWidget (); |
| if ((style & SWT.SEPARATOR) != 0) return ""; |
| int length = OS.GetWindowTextLength (handle); |
| if (length == 0) return ""; |
| TCHAR buffer = new TCHAR (getCodePage (), length + 1); |
| OS.GetWindowText (handle, buffer, length + 1); |
| return buffer.toString (0, length); |
| } |
| |
| /* |
| * Not currently used. |
| */ |
| boolean getWrap () { |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| if ((bits & (OS.SS_RIGHT | OS.SS_CENTER)) != 0) return true; |
| if ((bits & OS.SS_LEFTNOWORDWRAP) != 0) return false; |
| return true; |
| } |
| |
| boolean mnemonicHit (char key) { |
| Composite control = this.parent; |
| while (control != null) { |
| Control [] children = control._getChildren (); |
| int index = 0; |
| while (index < children.length) { |
| if (children [index] == this) break; |
| index++; |
| } |
| index++; |
| if (index < children.length) { |
| if (children [index].setFocus ()) return true; |
| } |
| control = control.parent; |
| } |
| return false; |
| } |
| |
| boolean mnemonicMatch (char key) { |
| char mnemonic = findMnemonic (getText ()); |
| if (mnemonic == '\0') return false; |
| return Character.toUpperCase (key) == Character.toUpperCase (mnemonic); |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| image = null; |
| } |
| |
| /** |
| * Controls how text and images will be displayed in the receiver. |
| * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> |
| * or <code>CENTER</code>. If the receiver is a <code>SEPARATOR</code> |
| * label, the argument is ignored and the alignment is not changed. |
| * |
| * @param alignment the new alignment |
| * |
| * @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 setAlignment (int alignment) { |
| checkWidget (); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; |
| style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); |
| style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| /* |
| * Feature in Windows. The windows label does not align |
| * the bitmap or icon. Any attempt to set alignment bits |
| * such as SS_CENTER cause the label to display text. The |
| * fix is to disallow alignment. |
| * |
| * NOTE: SS_BITMAP and SS_ICON are not single bit |
| * masks so it is necessary to test for all of the |
| * bits in these masks. |
| */ |
| if ((bits & OS.SS_BITMAP) == OS.SS_BITMAP) return; |
| if ((bits & OS.SS_ICON) == OS.SS_ICON) return; |
| bits &= ~(OS.SS_LEFTNOWORDWRAP | OS.SS_CENTER | OS.SS_RIGHT); |
| if ((style & SWT.LEFT) != 0 && (style & SWT.WRAP) == 0) { |
| bits |= OS.SS_LEFTNOWORDWRAP; |
| } |
| if ((style & SWT.CENTER) != 0) bits |= OS.SS_CENTER; |
| if ((style & SWT.RIGHT) != 0) bits |= OS.SS_RIGHT; |
| OS.SetWindowLong (handle, OS.GWL_STYLE, bits); |
| OS.InvalidateRect (handle, null, true); |
| } |
| |
| public boolean setFocus () { |
| checkWidget(); |
| return false; |
| } |
| |
| /** |
| * Sets the receiver's image to the argument, which may be |
| * null indicating that no image should be displayed. |
| * |
| * @param image the image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been 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 void setImage (Image image) { |
| checkWidget (); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| int hImage = 0, imageBits = 0, fImageType = 0; |
| if (image != null) { |
| if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| hImage = image.handle; |
| switch (image.type) { |
| case SWT.BITMAP: |
| imageBits = OS.SS_BITMAP; |
| fImageType = OS.IMAGE_BITMAP; |
| break; |
| case SWT.ICON: |
| imageBits = OS.SS_ICON; |
| fImageType = OS.IMAGE_ICON; |
| break; |
| default: |
| return; |
| } |
| } |
| this.image = image; |
| RECT rect = new RECT (); |
| OS.GetWindowRect (handle, rect); |
| int newBits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| int oldBits = newBits; |
| newBits &= ~(OS.SS_BITMAP | OS.SS_ICON); |
| newBits |= imageBits | OS.SS_REALSIZEIMAGE | OS.SS_CENTERIMAGE; |
| if (newBits != oldBits) { |
| OS.SetWindowLong (handle, OS.GWL_STYLE, newBits); |
| } |
| OS.SendMessage (handle, OS.STM_SETIMAGE, fImageType, hImage); |
| /* |
| * Feature in Windows. When STM_SETIMAGE is used to set the |
| * image for a static control, Windows either streches the image |
| * to fit the control or shrinks the control to fit the image. |
| * While not stricly wrong, neither of these is desirable. |
| * The fix is to stop Windows from stretching the image by |
| * using SS_REALSIZEIMAGE and SS_CENTERIMAGE, allow Windows |
| * to shrink the control, and then restore the control to the |
| * original size. |
| */ |
| int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE | OS.SWP_NOMOVE; |
| OS.SetWindowPos (handle, 0, 0, 0, rect.right - rect.left, rect.bottom - rect.top, flags); |
| OS.InvalidateRect (handle, null, true); |
| } |
| |
| /** |
| * Sets the receiver's text. |
| * <p> |
| * This method sets the widget label. The label may include |
| * the mnemonic character and line delimiters. |
| * </p> |
| * <p> |
| * Mnemonics are indicated by an '&' that causes the next |
| * character to be the mnemonic. When the user presses a |
| * key sequence that matches the mnemonic, focus is assigned |
| * to the control that follows the label. On most platforms, |
| * the mnemonic appears underlined but may be emphasised in a |
| * platform specific manner. The mnemonic indicator character |
| *'&' can be escaped by doubling it in the string, causing |
| * a single '&' to be displayed. |
| * </p> |
| * |
| * @param string the new text |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setText (String string) { |
| checkWidget (); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| int newBits = OS.GetWindowLong (handle, OS.GWL_STYLE), oldBits = newBits; |
| newBits &= ~(OS.SS_BITMAP | OS.SS_ICON | OS.SS_REALSIZEIMAGE | OS.SS_CENTERIMAGE); |
| if ((style & SWT.LEFT) != 0 && (style & SWT.WRAP) == 0) newBits |= OS.SS_LEFTNOWORDWRAP; |
| if ((style & SWT.CENTER) != 0) newBits |= OS.SS_CENTER; |
| if ((style & SWT.RIGHT) != 0) newBits |= OS.SS_RIGHT; |
| if (newBits != oldBits) { |
| /* |
| * Bug in Windows. When the style of a label is SS_BITMAP |
| * or SS_ICON, the label does not remember the font that is |
| * set in WM_SETFONT. The fix is to remember the font and |
| * return the font in WM_GETFONT and to reset the font when |
| * the style is changed from SS_BITMAP or SS_ICON to a style |
| * that displays text. |
| */ |
| int hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0); |
| OS.SetWindowLong (handle, OS.GWL_STYLE, newBits); |
| if (hFont != 0) OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0); |
| } |
| string = Display.withCrLf (string); |
| TCHAR buffer = new TCHAR (getCodePage (), string, true); |
| OS.SetWindowText (handle, buffer); |
| } |
| |
| /* |
| * Not currently used. |
| */ |
| void setWrap (boolean wrap) { |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| if ((bits & (OS.SS_RIGHT | OS.SS_CENTER)) != 0) return; |
| bits &= ~OS.SS_LEFTNOWORDWRAP; |
| if (!wrap) bits |= OS.SS_LEFTNOWORDWRAP; |
| OS.SetWindowLong (handle, OS.GWL_STYLE, bits); |
| OS.InvalidateRect (handle, null, true); |
| } |
| |
| int widgetExtStyle () { |
| int bits = super.widgetExtStyle () & ~OS.WS_EX_CLIENTEDGE; |
| if ((style & SWT.BORDER) != 0) return bits | OS.WS_EX_STATICEDGE; |
| return bits; |
| } |
| |
| int widgetStyle () { |
| int bits = super.widgetStyle () | OS.SS_NOTIFY; |
| if ((style & SWT.SEPARATOR) != 0) return bits | OS.SS_OWNERDRAW; |
| if ((style & SWT.CENTER) != 0) return bits | OS.SS_CENTER; |
| if ((style & SWT.RIGHT) != 0) return bits | OS.SS_RIGHT; |
| if ((style & SWT.WRAP) != 0) return bits | OS.SS_LEFT; |
| return bits | OS.SS_LEFTNOWORDWRAP; |
| } |
| |
| TCHAR windowClass () { |
| return LabelClass; |
| } |
| |
| int windowProc () { |
| return LabelProc; |
| } |
| |
| LRESULT WM_ERASEBKGND (int wParam, int lParam) { |
| LRESULT result = super.WM_ERASEBKGND (wParam, lParam); |
| if (result != null) return result; |
| if ((style & SWT.SEPARATOR) != 0) return LRESULT.ONE; |
| /* |
| * Bug in Windows. When a label has the SS_BITMAP |
| * or SS_ICON style, the label does not draw the |
| * background. The fix is to draw the background |
| * when the label is showing a bitmap or icon. |
| * |
| * NOTE: SS_BITMAP and SS_ICON are not single bit |
| * masks so it is necessary to test for all of the |
| * bits in these masks. |
| */ |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| boolean isBitmap = (bits & OS.SS_BITMAP) == OS.SS_BITMAP; |
| boolean isIcon = (bits & OS.SS_ICON) == OS.SS_ICON; |
| if (isBitmap || isIcon) { |
| drawBackground (wParam); |
| return LRESULT.ONE; |
| } |
| return result; |
| } |
| |
| LRESULT WM_GETFONT (int wParam, int lParam) { |
| LRESULT result = super.WM_GETFONT (wParam, lParam); |
| if (result != null) return result; |
| /* |
| * Bug in Windows. When the style of a label is SS_BITMAP |
| * or SS_ICON, the label does not remember the font that is |
| * set in WM_SETFONT. The fix is to remember the font and |
| * return the font in WM_GETFONT. |
| */ |
| if (font == 0) font = defaultFont (); |
| return new LRESULT (font); |
| } |
| |
| LRESULT WM_SETFONT (int wParam, int lParam) { |
| /* |
| * Bug in Windows. When the style of a label is SS_BITMAP |
| * or SS_ICON, the label does not remember the font that is |
| * set in WM_SETFONT. The fix is to remember the font and |
| * return the font in WM_GETFONT. |
| */ |
| return super.WM_SETFONT (font = wParam, lParam); |
| } |
| |
| LRESULT WM_SIZE (int wParam, int lParam) { |
| LRESULT result = super.WM_SIZE (wParam, lParam); |
| /* |
| * It is possible (but unlikely), that application |
| * code could have disposed the widget in the resize |
| * event. If this happens, end the processing of the |
| * Windows message by returning the result of the |
| * WM_SIZE message. |
| */ |
| if (isDisposed ()) return result; |
| if ((style & SWT.SEPARATOR) != 0) { |
| OS.InvalidateRect (handle, null, true); |
| return result; |
| } |
| |
| /* |
| * Bug in Windows. For some reason, a label with |
| * SS_BITMAP or SS_ICON and SS_CENTER does not redraw |
| * properly when resized. Only the new area is drawn |
| * and the old area is not cleared. The fix is to |
| * force the redraw. |
| * |
| * NOTE: SS_BITMAP and SS_ICON are not single bit |
| * masks so it is necessary to test for all of the |
| * bits in these masks. |
| */ |
| int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); |
| boolean isBitmap = (bits & OS.SS_BITMAP) == OS.SS_BITMAP; |
| boolean isIcon = (bits & OS.SS_ICON) == OS.SS_ICON; |
| if (isBitmap || isIcon) { |
| OS.InvalidateRect (handle, null, true); |
| return result; |
| } |
| |
| /* |
| * Bug in Windows. For some reason, a label with |
| * style SS_LEFT, SS_CENTER or SS_RIGHT does not |
| * redraw the text in the new position when resized. |
| * Note that SS_LEFTNOWORDWRAP does not have the |
| * problem. The fix is to force the redraw. |
| */ |
| if ((style & (SWT.WRAP | SWT.CENTER | SWT.RIGHT)) != 0) { |
| OS.InvalidateRect (handle, null, true); |
| return result; |
| } |
| |
| return result; |
| } |
| |
| LRESULT wmDrawChild (int wParam, int lParam) { |
| DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT (); |
| OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof); |
| drawBackground (struct.hDC); |
| if ((style & SWT.SHADOW_NONE) != 0) return null; |
| RECT rect = new RECT (); |
| int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER); |
| int flags = OS.EDGE_ETCHED; |
| if ((style & SWT.SHADOW_IN) != 0) flags = OS.EDGE_SUNKEN; |
| if ((style & SWT.HORIZONTAL) != 0) { |
| int bottom = struct.top + Math.max (lineWidth * 2, (struct.bottom - struct.top) / 2); |
| OS.SetRect (rect, struct.left, struct.top, struct.right, bottom); |
| OS.DrawEdge (struct.hDC, rect, flags, OS.BF_BOTTOM); |
| } else { |
| int right = struct.left + Math.max (lineWidth * 2, (struct.right - struct.left) / 2); |
| OS.SetRect (rect, struct.left, struct.top, right, struct.bottom); |
| OS.DrawEdge (struct.hDC, rect, flags, OS.BF_RIGHT); |
| } |
| return null; |
| } |
| |
| } |