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authorFelipe Heidrich <fheidric>2009-06-30 22:00:12 +0000
committerFelipe Heidrich <fheidric>2009-06-30 22:00:12 +0000
commitf664d297f7bb009784868bf3fcf0b3e3bb9a646b (patch)
tree54012fe4929893eef4891c88cbbf5841272ff433 /bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java
parentbc18a5e014088ce811f09c603b88361094486062 (diff)
downloadeclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.gz
eclipse.platform.swt-f664d297f7bb009784868bf3fcf0b3e3bb9a646b.tar.xz
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diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java
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--- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java
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@@ -1,686 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2009 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 represent a non-selectable
- * user interface object that displays a string or image.
- * When SEPARATOR is specified, displays a single
- * vertical or horizontal line.
- * <p>
- * Shadow styles are hints and may not be honored
- * by the platform. To create a separator label
- * with the default shadow style for the platform,
- * do not specify a shadow style.
- * </p>
- * <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>
- *
- * @see <a href="http://www.eclipse.org/swt/snippets/#label">Label 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 Label extends Control {
- String text = "";
- Image image;
- static final int MARGIN = 4;
- static /*final*/ boolean IMAGE_AND_TEXT = false;
- static final int /*long*/ 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 /*long*/ callWindowProc (int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) {
- if (handle == 0) return 0;
- return OS.CallWindowProc (LabelProc, hwnd, msg, wParam, lParam);
-}
-
-static int checkStyle (int style) {
- style |= SWT.NO_FOCUS;
- if ((style & SWT.SEPARATOR) != 0) {
- style = checkBits (style, SWT.VERTICAL, SWT.HORIZONTAL, 0, 0, 0, 0);
- return checkBits (style, SWT.SHADOW_OUT, SWT.SHADOW_IN, SWT.SHADOW_NONE, 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, 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);
- }
- int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- boolean drawText = true;
- boolean drawImage = (bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW;
- if (drawImage) {
- if (image != null) {
- Rectangle rect = image.getBounds();
- width += rect.width;
- height += rect.height;
- if (IMAGE_AND_TEXT) {
- if (text.length () != 0) width += MARGIN;
- } else {
- drawText = false;
- }
- }
- }
- if (drawText) {
- int /*long*/ hDC = OS.GetDC (handle);
- int /*long*/ newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
- int /*long*/ oldFont = OS.SelectObject (hDC, newFont);
- int length = OS.GetWindowTextLength (handle);
- if (length == 0) {
- TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
- OS.GetTextMetrics (hDC, tm);
- height = Math.max (height, tm.tmHeight);
- } else {
- 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 = Math.max (0, wHint - width);
- }
- 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 = Math.max (height, rect.bottom - rect.top);
- }
- 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 width to include
- * this trim.
- */
- if (OS.IsWinCE && !drawImage) width += 2;
- return new Point (width, height);
-}
-
-void createHandle () {
- super.createHandle ();
- state |= THEME_BACKGROUND;
-}
-
-/**
- * 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 "";
- return text;
-}
-
-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 ();
- text = null;
- 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);
- if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
- bits &= ~(OS.SS_LEFTNOWORDWRAP | OS.SS_CENTER | OS.SS_RIGHT);
- if ((style & SWT.LEFT) != 0) {
- if ((style & SWT.WRAP) != 0) {
- bits |= OS.SS_LEFT;
- } else {
- 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);
-}
-
-/**
- * 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;
- if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
- this.image = image;
- int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
- bits &= ~(OS.SS_LEFTNOWORDWRAP | OS.SS_CENTER | OS.SS_RIGHT);
- bits |= OS.SS_OWNERDRAW;
- OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
- }
- 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 '&amp;' 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
- * '&amp;' can be escaped by doubling it in the string, causing
- * a single '&amp;' 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;
- /*
- * Feature in Windows. For some reason, SetWindowText() for
- * static controls redraws the control, even when the text has
- * has not changed. The fix is to check for this case and do
- * nothing.
- */
- if (string.equals (text)) return;
- text = string;
- if (image == null || !IMAGE_AND_TEXT) {
- int oldBits = OS.GetWindowLong (handle, OS.GWL_STYLE), newBits = oldBits;
- newBits &= ~OS.SS_OWNERDRAW;
- if ((style & SWT.LEFT) != 0) {
- if ((style & SWT.WRAP) != 0) {
- newBits |= OS.SS_LEFT;
- } else {
- newBits |= OS.SS_LEFTNOWORDWRAP;
- }
- }
- if ((style & SWT.CENTER) != 0) newBits |= OS.SS_CENTER;
- if ((style & SWT.RIGHT) != 0) newBits |= OS.SS_RIGHT;
- if (oldBits != newBits) OS.SetWindowLong (handle, OS.GWL_STYLE, newBits);
- }
- string = Display.withCrLf (string);
- TCHAR buffer = new TCHAR (getCodePage (), string, true);
- OS.SetWindowText (handle, buffer);
- /*
- * Bug in Windows. For some reason, the HBRUSH that
- * is returned from WM_CTRLCOLOR is misaligned when
- * the label uses it to draw. If the brush is a solid
- * color, this does not matter. However, if the brush
- * contains an image, the image is misaligned. The
- * fix is to draw the background in WM_ERASEBKGND.
- */
- if (OS.COMCTL32_MAJOR < 6) {
- if (findImageControl () != null) 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 (OS.WIN32_VERSION >= OS.VERSION (5, 0)) {
- if ((style & SWT.WRAP) != 0) bits |= OS.SS_EDITCONTROL;
- }
- 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 /*long*/ windowProc () {
- return LabelProc;
-}
-
-LRESULT WM_ERASEBKGND (int /*long*/ wParam, int /*long*/ lParam) {
- LRESULT result = super.WM_ERASEBKGND (wParam, lParam);
- if (result != null) return result;
- int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- if ((bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW) {
- return LRESULT.ONE;
- }
- /*
- * Bug in Windows. For some reason, the HBRUSH that
- * is returned from WM_CTRLCOLOR is misaligned when
- * the label uses it to draw. If the brush is a solid
- * color, this does not matter. However, if the brush
- * contains an image, the image is misaligned. The
- * fix is to draw the background in WM_ERASEBKGND.
- */
- if (OS.COMCTL32_MAJOR < 6) {
- if (findImageControl () != null) {
- drawBackground (wParam);
- return LRESULT.ONE;
- }
- }
- return result;
-}
-
-LRESULT WM_SIZE (int /*long*/ wParam, int /*long*/ lParam) {
- LRESULT result = super.WM_SIZE (wParam, lParam);
- if (isDisposed ()) return result;
- if ((style & SWT.SEPARATOR) != 0) {
- OS.InvalidateRect (handle, null, true);
- return result;
- }
- int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- if ((bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW) {
- 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 ((bits & OS.SS_LEFTNOWORDWRAP) != OS.SS_LEFTNOWORDWRAP) {
- OS.InvalidateRect (handle, null, true);
- return result;
- }
- return result;
-}
-
-LRESULT WM_UPDATEUISTATE (int /*long*/ wParam, int /*long*/ lParam) {
- LRESULT result = super.WM_UPDATEUISTATE (wParam, lParam);
- if (result != null) return result;
- /*
- * Feature in Windows. When WM_UPDATEUISTATE is sent to
- * a static control, it sends WM_CTLCOLORSTATIC to get the
- * foreground and background. If any drawing happens in
- * WM_CTLCOLORSTATIC, it overwrites the contents of the control.
- * The fix is draw the static without drawing the background
- * and avoid the static window proc.
- */
- boolean redraw = findImageControl () != null;
- if (!redraw) {
- if ((state & THEME_BACKGROUND) != 0) {
- if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
- redraw = findThemeControl () != null;
- }
- }
- }
- if (redraw) {
- OS.InvalidateRect (handle, null, false);
- int /*long*/ code = OS.DefWindowProc (handle, OS.WM_UPDATEUISTATE, wParam, lParam);
- return new LRESULT (code);
- }
- return result;
-}
-
-LRESULT wmColorChild (int /*long*/ wParam, int /*long*/ lParam) {
- /*
- * Bug in Windows. For some reason, the HBRUSH that
- * is returned from WM_CTRLCOLOR is misaligned when
- * the label uses it to draw. If the brush is a solid
- * color, this does not matter. However, if the brush
- * contains an image, the image is misaligned. The
- * fix is to draw the background in WM_ERASEBKGND.
- */
- LRESULT result = super.wmColorChild (wParam, lParam);
- if (OS.COMCTL32_MAJOR < 6) {
- int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
- if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
- if (findImageControl () != null) {
- OS.SetBkMode (wParam, OS.TRANSPARENT);
- return new LRESULT (OS.GetStockObject (OS.NULL_BRUSH));
- }
- }
- }
- return result;
-}
-
-LRESULT WM_PAINT (int /*long*/ wParam, int /*long*/ lParam) {
- if (OS.IsWinCE) {
- boolean drawImage = image != null;
- boolean drawSeparator = (style & SWT.SEPARATOR) != 0 && (style & SWT.SHADOW_NONE) == 0;
- if (drawImage || drawSeparator) {
- LRESULT result = null;
- PAINTSTRUCT ps = new PAINTSTRUCT ();
- GCData data = new GCData ();
- data.ps = ps;
- data.hwnd = handle;
- GC gc = new_GC (data);
- if (gc != null) {
- drawBackground (gc.handle);
- RECT clientRect = new RECT();
- OS.GetClientRect (handle, clientRect);
- if (drawSeparator) {
- RECT rect = new RECT ();
- int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER);
- int flags = (style & SWT.SHADOW_IN) != 0 ? OS.EDGE_SUNKEN : OS.EDGE_ETCHED;
- if ((style & SWT.HORIZONTAL) != 0) {
- int bottom = clientRect.top + Math.max (lineWidth * 2, (clientRect.bottom - clientRect.top) / 2);
- OS.SetRect (rect, clientRect.left, clientRect.top, clientRect.right, bottom);
- OS.DrawEdge (gc.handle, rect, flags, OS.BF_BOTTOM);
- } else {
- int right = clientRect.left + Math.max (lineWidth * 2, (clientRect.right - clientRect.left) / 2);
- OS.SetRect (rect, clientRect.left, clientRect.top, right, clientRect.bottom);
- OS.DrawEdge (gc.handle, rect, flags, OS.BF_RIGHT);
- }
- result = LRESULT.ONE;
- }
- if (drawImage) {
- Rectangle imageBounds = image.getBounds ();
- int x = 0;
- if ((style & SWT.CENTER) != 0) {
- x = Math.max (0, (clientRect.right - imageBounds.width) / 2);
- } else {
- if ((style & SWT.RIGHT) != 0) {
- x = Math.max (0, (clientRect.right - imageBounds.width));
- }
- }
- gc.drawImage (image, x, Math.max (0, (clientRect.bottom - imageBounds.height) / 2));
- result = LRESULT.ONE;
- }
- int width = ps.right - ps.left;
- int height = ps.bottom - ps.top;
- if (width != 0 && height != 0) {
- Event event = new Event ();
- event.gc = gc;
- event.x = ps.left;
- event.y = ps.top;
- event.width = width;
- event.height = height;
- sendEvent (SWT.Paint, event);
- // widget could be disposed at this point
- event.gc = null;
- }
- gc.dispose ();
- }
- return result;
- }
- }
- return super.WM_PAINT(wParam, lParam);
-}
-
-LRESULT wmDrawChild (int /*long*/ wParam, int /*long*/ lParam) {
- DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
- OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
- drawBackground (struct.hDC);
- if ((style & SWT.SEPARATOR) != 0) {
- if ((style & SWT.SHADOW_NONE) != 0) return null;
- RECT rect = new RECT ();
- int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER);
- int flags = (style & SWT.SHADOW_IN) != 0 ? OS.EDGE_SUNKEN : OS.EDGE_ETCHED;
- 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);
- }
- } else {
- int width = struct.right - struct.left;
- int height = struct.bottom - struct.top;
- if (width != 0 && height != 0) {
- boolean drawImage = image != null;
- boolean drawText = IMAGE_AND_TEXT && text.length () != 0;
- int margin = drawText && drawImage ? MARGIN : 0;
- int imageWidth = 0, imageHeight = 0;
- if (drawImage) {
- Rectangle rect = image.getBounds ();
- imageWidth = rect.width;
- imageHeight = rect.height;
- }
- RECT rect = null;
- TCHAR buffer = null;
- int textWidth = 0, textHeight = 0, flags = 0;
- if (drawText) {
- rect = new RECT ();
- flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_EXPANDTABS;
- if ((style & SWT.LEFT) != 0) flags |= OS.DT_LEFT;
- if ((style & SWT.CENTER) != 0) flags |= OS.DT_CENTER;
- if ((style & SWT.RIGHT) != 0) flags |= OS.DT_RIGHT;
- if ((style & SWT.WRAP) != 0) {
- flags |= OS.DT_WORDBREAK;
- rect.right = Math.max (0, width - imageWidth - margin);
- }
- buffer = new TCHAR (getCodePage (), text, true);
- OS.DrawText (struct.hDC, buffer, -1, rect, flags);
- textWidth = rect.right - rect.left;
- textHeight = rect.bottom - rect.top;
- }
- int x = 0;
- if ((style & SWT.CENTER) != 0) {
- x = Math.max (0, (width - imageWidth - textWidth - margin) / 2);
- } else {
- if ((style & SWT.RIGHT) != 0) {
- x = width - imageWidth - textWidth - margin;
- }
- }
- if (drawImage) {
- GCData data = new GCData();
- data.device = display;
- GC gc = GC.win32_new (struct.hDC, data);
- Image image = getEnabled () ? this.image : new Image (display, this.image, SWT.IMAGE_DISABLE);
- gc.drawImage (image, x, Math.max (0, (height - imageHeight) / 2));
- if (image != this.image) image.dispose ();
- gc.dispose ();
- x += imageWidth + margin;
- }
- if (drawText) {
- flags &= ~OS.DT_CALCRECT;
- rect.left = x;
- rect.right += rect.left;
- rect.top = Math.max (0, (height - textHeight) / 2);
- rect.bottom += rect.top;
- OS.DrawText (struct.hDC, buffer, -1, rect, flags);
- }
- }
- }
- return null;
-}
-
-}