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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/TreeDragSourceEffect.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/TreeDragSourceEffect.java193
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diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/TreeDragSourceEffect.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/TreeDragSourceEffect.java
deleted file mode 100644
index 645549a14f..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/TreeDragSourceEffect.java
+++ /dev/null
@@ -1,193 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 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.dnd;
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.internal.win32.*;
-import org.eclipse.swt.widgets.*;
-
-/**
- * This class provides default implementations to display a source image
- * when a drag is initiated from a <code>Tree</code>.
- *
- * <p>Classes that wish to provide their own source image for a <code>Tree</code> can
- * extend <code>TreeDragSourceEffect</code> class and override the <code>TreeDragSourceEffect.dragStart</code>
- * method and set the field <code>DragSourceEvent.image</code> with their own image.</p>
- *
- * Subclasses that override any methods of this class must call the corresponding
- * <code>super</code> method to get the default drag under effect implementation.
- *
- * @see DragSourceEffect
- * @see DragSourceEvent
- * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
- *
- * @since 3.3
- */
-public class TreeDragSourceEffect extends DragSourceEffect {
- Image dragSourceImage = null;
-
- /**
- * Creates a new <code>TreeDragSourceEffect</code> to handle drag effect
- * from the specified <code>Tree</code>.
- *
- * @param tree the <code>Tree</code> that the user clicks on to initiate the drag
- */
- public TreeDragSourceEffect(Tree tree) {
- super(tree);
- }
-
- /**
- * This implementation of <code>dragFinished</code> disposes the image
- * that was created in <code>TreeDragSourceEffect.dragStart</code>.
- *
- * Subclasses that override this method should call <code>super.dragFinished(event)</code>
- * to dispose the image in the default implementation.
- *
- * @param event the information associated with the drag finished event
- */
- public void dragFinished(DragSourceEvent event) {
- if (dragSourceImage != null) dragSourceImage.dispose();
- dragSourceImage = null;
- }
-
- /**
- * This implementation of <code>dragStart</code> will create a default
- * image that will be used during the drag. The image should be disposed
- * when the drag is completed in the <code>TreeDragSourceEffect.dragFinished</code>
- * method.
- *
- * Subclasses that override this method should call <code>super.dragStart(event)</code>
- * to use the image from the default implementation.
- *
- * @param event the information associated with the drag start event
- */
- public void dragStart(DragSourceEvent event) {
- event.image = getDragSourceImage(event);
- }
-
- Image getDragSourceImage(DragSourceEvent event) {
- if (dragSourceImage != null) dragSourceImage.dispose();
- dragSourceImage = null;
- if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (5, 1)) {
- SHDRAGIMAGE shdi = new SHDRAGIMAGE();
- int DI_GETDRAGIMAGE = OS.RegisterWindowMessage (new TCHAR (0, "ShellGetDragImage", true)); //$NON-NLS-1$
- if (OS.SendMessage (control.handle, DI_GETDRAGIMAGE, 0, shdi) != 0) {
- if ((control.getStyle() & SWT.MIRRORED) != 0) {
- event.offsetX = shdi.sizeDragImage.cx - shdi.ptOffset.x;
- } else {
- event.offsetX = shdi.ptOffset.x;
- }
- event.offsetY = shdi.ptOffset.y;
- int /*long*/ hImage = shdi.hbmpDragImage;
- if (hImage != 0) {
- BITMAP bm = new BITMAP ();
- OS.GetObject (hImage, BITMAP.sizeof, bm);
- int srcWidth = bm.bmWidth;
- int srcHeight = bm.bmHeight;
-
- /* Create resources */
- int /*long*/ hdc = OS.GetDC (0);
- int /*long*/ srcHdc = OS.CreateCompatibleDC (hdc);
- int /*long*/ oldSrcBitmap = OS.SelectObject (srcHdc, hImage);
- int /*long*/ memHdc = OS.CreateCompatibleDC (hdc);
- BITMAPINFOHEADER bmiHeader = new BITMAPINFOHEADER ();
- bmiHeader.biSize = BITMAPINFOHEADER.sizeof;
- bmiHeader.biWidth = srcWidth;
- bmiHeader.biHeight = -srcHeight;
- bmiHeader.biPlanes = 1;
- bmiHeader.biBitCount = 32;
- bmiHeader.biCompression = OS.BI_RGB;
- byte [] bmi = new byte[BITMAPINFOHEADER.sizeof];
- OS.MoveMemory (bmi, bmiHeader, BITMAPINFOHEADER.sizeof);
- int /*long*/ [] pBits = new int /*long*/ [1];
- int /*long*/ memDib = OS.CreateDIBSection (0, bmi, OS.DIB_RGB_COLORS, pBits, 0, 0);
- if (memDib == 0) SWT.error (SWT.ERROR_NO_HANDLES);
- int /*long*/ oldMemBitmap = OS.SelectObject (memHdc, memDib);
-
- BITMAP dibBM = new BITMAP ();
- OS.GetObject (memDib, BITMAP.sizeof, dibBM);
- int sizeInBytes = dibBM.bmWidthBytes * dibBM.bmHeight;
-
- /* Get the foreground pixels */
- OS.BitBlt (memHdc, 0, 0, srcWidth, srcHeight, srcHdc, 0, 0, OS.SRCCOPY);
- byte[] srcData = new byte [sizeInBytes];
- OS.MoveMemory (srcData, dibBM.bmBits, sizeInBytes);
-
- PaletteData palette = new PaletteData(0xFF00, 0xFF0000, 0xFF000000);
- ImageData data = new ImageData(srcWidth, srcHeight, bm.bmBitsPixel, palette, bm.bmWidthBytes, srcData);
- if (shdi.crColorKey == -1) {
- byte[] alphaData = new byte[srcWidth * srcHeight];
- int spinc = dibBM.bmWidthBytes - srcWidth * 4;
- int ap = 0, sp = 3;
- for (int y = 0; y < srcHeight; ++y) {
- for (int x = 0; x < srcWidth; ++x) {
- alphaData [ap++] = srcData [sp];
- sp += 4;
- }
- sp += spinc;
- }
- data.alphaData = alphaData;
- } else {
- data.transparentPixel = shdi.crColorKey << 8;
- }
- dragSourceImage = new Image (control.getDisplay (), data);
- OS.SelectObject (memHdc, oldMemBitmap);
- OS.DeleteDC (memHdc);
- OS.DeleteObject (memDib);
- OS.SelectObject (srcHdc, oldSrcBitmap);
- OS.DeleteDC (srcHdc);
- OS.ReleaseDC (0, hdc);
- OS.DeleteObject (hImage);
- return dragSourceImage;
- }
- }
- return null;
- }
-
- Tree tree = (Tree) control;
- //TEMPORARY CODE
- if (tree.isListening (SWT.EraseItem) || tree.isListening (SWT.PaintItem)) return null;
- TreeItem[] selection = tree.getSelection();
- if (selection.length == 0) return null;
- int /*long*/ treeImageList = OS.SendMessage (tree.handle, OS.TVM_GETIMAGELIST, OS.TVSIL_NORMAL, 0);
- if (treeImageList != 0) {
- int count = Math.min(selection.length, 10);
- Rectangle bounds = selection[0].getBounds(0);
- for (int i = 1; i < count; i++) {
- bounds = bounds.union(selection[i].getBounds(0));
- }
- int /*long*/ hDC = OS.GetDC(tree.handle);
- int /*long*/ hDC1 = OS.CreateCompatibleDC(hDC);
- int /*long*/ bitmap = OS.CreateCompatibleBitmap(hDC, bounds.width, bounds.height);
- int /*long*/ hOldBitmap = OS.SelectObject(hDC1, bitmap);
- RECT rect = new RECT();
- rect.right = bounds.width;
- rect.bottom = bounds.height;
- int /*long*/ hBrush = OS.GetStockObject(OS.WHITE_BRUSH);
- OS.FillRect(hDC1, rect, hBrush);
- for (int i = 0; i < count; i++) {
- TreeItem selected = selection[i];
- Rectangle cell = selected.getBounds(0);
- int /*long*/ imageList = OS.SendMessage(tree.handle, OS.TVM_CREATEDRAGIMAGE, 0, selected.handle);
- OS.ImageList_Draw(imageList, 0, hDC1, cell.x - bounds.x, cell.y - bounds.y, OS.ILD_SELECTED);
- OS.ImageList_Destroy(imageList);
- }
- OS.SelectObject(hDC1, hOldBitmap);
- OS.DeleteDC (hDC1);
- OS.ReleaseDC (tree.handle, hDC);
- Display display = tree.getDisplay();
- dragSourceImage = Image.win32_new(display, SWT.BITMAP, bitmap);
- return dragSourceImage;
- }
- return null;
- }
-}

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