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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/graphics/Cursor.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/graphics/Cursor.java | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/graphics/Cursor.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/graphics/Cursor.java deleted file mode 100644 index e1b617cb7f..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/graphics/Cursor.java +++ /dev/null @@ -1,466 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.graphics; - - -import org.eclipse.swt.internal.wpf.*; -import org.eclipse.swt.internal.win32.*; - -import org.eclipse.swt.*; - -/** - * Instances of this class manage operating system resources that - * specify the appearance of the on-screen pointer. To create a - * cursor you specify the device and either a simple cursor style - * describing one of the standard operating system provided cursors - * or the image and mask data for the desired appearance. - * <p> - * Application code must explicitly invoke the <code>Cursor.dispose()</code> - * method to release the operating system resources managed by each instance - * when those instances are no longer required. - * </p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd> - * CURSOR_ARROW, CURSOR_WAIT, CURSOR_CROSS, CURSOR_APPSTARTING, CURSOR_HELP, - * CURSOR_SIZEALL, CURSOR_SIZENESW, CURSOR_SIZENS, CURSOR_SIZENWSE, CURSOR_SIZEWE, - * CURSOR_SIZEN, CURSOR_SIZES, CURSOR_SIZEE, CURSOR_SIZEW, CURSOR_SIZENE, CURSOR_SIZESE, - * CURSOR_SIZESW, CURSOR_SIZENW, CURSOR_UPARROW, CURSOR_IBEAM, CURSOR_NO, CURSOR_HAND - * </dd> - * </dl> - * <p> - * Note: Only one of the above styles may be specified. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#cursor">Cursor snippets</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - */ - -public final class Cursor extends Resource { - - /** - * the handle to the OS cursor resource - * (Warning: This field is platform dependent) - * <p> - * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT - * public API. It is marked public only so that it can be shared - * within the packages provided by SWT. It is not available on all - * platforms and should never be accessed from application code. - * </p> - */ - public int handle; - -/** - * Prevents uninitialized instances from being created outside the package. - */ -Cursor(Device device) { - super(device); -} - -/** - * Constructs a new cursor given a device and a style - * constant describing the desired cursor appearance. - * <p> - * You must dispose the cursor when it is no longer required. - * </p> - * - * @param device the device on which to allocate the cursor - * @param style the style of cursor to allocate - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> - * <li>ERROR_INVALID_ARGUMENT - when an unknown style is specified</li> - * </ul> - * @exception SWTError <ul> - * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li> - * </ul> - * - * @see SWT#CURSOR_ARROW - * @see SWT#CURSOR_WAIT - * @see SWT#CURSOR_CROSS - * @see SWT#CURSOR_APPSTARTING - * @see SWT#CURSOR_HELP - * @see SWT#CURSOR_SIZEALL - * @see SWT#CURSOR_SIZENESW - * @see SWT#CURSOR_SIZENS - * @see SWT#CURSOR_SIZENWSE - * @see SWT#CURSOR_SIZEWE - * @see SWT#CURSOR_SIZEN - * @see SWT#CURSOR_SIZES - * @see SWT#CURSOR_SIZEE - * @see SWT#CURSOR_SIZEW - * @see SWT#CURSOR_SIZENE - * @see SWT#CURSOR_SIZESE - * @see SWT#CURSOR_SIZESW - * @see SWT#CURSOR_SIZENW - * @see SWT#CURSOR_UPARROW - * @see SWT#CURSOR_IBEAM - * @see SWT#CURSOR_NO - * @see SWT#CURSOR_HAND - */ -public Cursor(Device device, int style) { - super(device); - switch (style) { - case SWT.CURSOR_HAND: handle = OS.Cursors_Hand(); break; - case SWT.CURSOR_ARROW: handle = OS.Cursors_Arrow(); break; - case SWT.CURSOR_WAIT: handle = OS.Cursors_Wait(); break; - case SWT.CURSOR_CROSS: handle = OS.Cursors_Cross(); break; - case SWT.CURSOR_APPSTARTING: handle = OS.Cursors_AppStarting(); break; - case SWT.CURSOR_HELP: handle = OS.Cursors_Help(); break; - case SWT.CURSOR_SIZEALL: handle = OS.Cursors_SizeAll(); break; - case SWT.CURSOR_SIZENESW: handle = OS.Cursors_SizeNESW(); break; - case SWT.CURSOR_SIZENS: handle = OS.Cursors_SizeNS(); break; - case SWT.CURSOR_SIZENWSE: handle = OS.Cursors_SizeNWSE(); break; - case SWT.CURSOR_SIZEWE: handle = OS.Cursors_SizeWE(); break; - case SWT.CURSOR_SIZEN: handle = OS.Cursors_ScrollN(); break; - case SWT.CURSOR_SIZES: handle = OS.Cursors_ScrollS(); break; - case SWT.CURSOR_SIZEE: handle = OS.Cursors_ScrollE(); break; - case SWT.CURSOR_SIZEW: handle = OS.Cursors_ScrollW(); break; - case SWT.CURSOR_SIZENE: handle = OS.Cursors_ScrollNE(); break; - case SWT.CURSOR_SIZESE: handle = OS.Cursors_ScrollSE(); break; - case SWT.CURSOR_SIZESW: handle = OS.Cursors_ScrollSW(); break; - case SWT.CURSOR_SIZENW: handle = OS.Cursors_ScrollNW(); break; - case SWT.CURSOR_UPARROW: handle = OS.Cursors_UpArrow(); break; - case SWT.CURSOR_IBEAM: handle = OS.Cursors_IBeam(); break; - case SWT.CURSOR_NO: handle = OS.Cursors_No(); break; - default: - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - init(); -} - -/** - * Constructs a new cursor given a device, image and mask - * data describing the desired cursor appearance, and the x - * and y coordinates of the <em>hotspot</em> (that is, the point - * within the area covered by the cursor which is considered - * to be where the on-screen pointer is "pointing"). - * <p> - * The mask data is allowed to be null, but in this case the source - * must be an ImageData representing an icon that specifies both - * color data and mask data. - * <p> - * You must dispose the cursor when it is no longer required. - * </p> - * - * @param device the device on which to allocate the cursor - * @param source the color data for the cursor - * @param mask the mask data for the cursor (or null) - * @param hotspotX the x coordinate of the cursor's hotspot - * @param hotspotY the y coordinate of the cursor's hotspot - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> - * <li>ERROR_NULL_ARGUMENT - if the source is null</li> - * <li>ERROR_NULL_ARGUMENT - if the mask is null and the source does not have a mask</li> - * <li>ERROR_INVALID_ARGUMENT - if the source and the mask are not the same - * size, or if the hotspot is outside the bounds of the image</li> - * </ul> - * @exception SWTError <ul> - * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li> - * </ul> - */ -public Cursor(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) { - super(device); - if (source == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - if (mask == null) { - if (source.getTransparencyType() != SWT.TRANSPARENCY_MASK) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - mask = source.getTransparencyMask(); - } - /* Check the bounds. Mask must be the same size as source */ - if (mask.width != source.width || mask.height != source.height) { - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - /* Check the hotspots */ - if (hotspotX >= source.width || hotspotX < 0 || - hotspotY >= source.height || hotspotY < 0) { - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - /* Convert depth to 1 */ - mask = ImageData.convertMask(mask); - source = ImageData.convertMask(source); - - /* Make sure source and mask scanline pad is 2 */ - byte[] sourceData = ImageData.convertPad(source.data, source.width, source.height, source.depth, source.scanlinePad, 2); - byte[] maskData = ImageData.convertPad(mask.data, mask.width, mask.height, mask.depth, mask.scanlinePad, 2); - - /* Create the cursor */ - int hInst = Win32.GetModuleHandleW(null); - int cursor = Win32.CreateCursor(hInst, hotspotX, hotspotY, source.width, source.height, sourceData, maskData); - if (cursor == 0) SWT.error(SWT.ERROR_NO_HANDLES); - int safeHandle = OS.gcnew_SWTSafeHandle(cursor, false); - if (safeHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - handle = OS.CursorInteropHelper_Create(safeHandle); - if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - OS.GCHandle_Free(safeHandle); - init(); -} - -/** - * Constructs a new cursor given a device, image data describing - * the desired cursor appearance, and the x and y coordinates of - * the <em>hotspot</em> (that is, the point within the area - * covered by the cursor which is considered to be where the - * on-screen pointer is "pointing"). - * <p> - * You must dispose the cursor when it is no longer required. - * </p> - * - * @param device the device on which to allocate the cursor - * @param source the image data for the cursor - * @param hotspotX the x coordinate of the cursor's hotspot - * @param hotspotY the y coordinate of the cursor's hotspot - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> - * <li>ERROR_NULL_ARGUMENT - if the image is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the hotspot is outside the bounds of the - * image</li> - * </ul> - * @exception SWTError <ul> - * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li> - * </ul> - * - * @since 3.0 - */ -public Cursor(Device device, ImageData source, int hotspotX, int hotspotY) { - super(device); - if (source == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); - /* Check the hotspots */ - if (hotspotX >= source.width || hotspotX < 0 || - hotspotY >= source.height || hotspotY < 0) { - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - PaletteData palette = source.palette; - if (!(((source.depth == 1 || source.depth == 2 || source.depth == 4 || source.depth == 8) && !palette.isDirect) || - ((source.depth == 8) || (source.depth == 16 || source.depth == 24 || source.depth == 32) && palette.isDirect))) - SWT.error (SWT.ERROR_UNSUPPORTED_DEPTH); - int width = source.width; - int height = source.height; - int redMask = palette.redMask; - int greenMask = palette.greenMask; - int blueMask = palette.blueMask; - ImageData newData = null; - int pixelFormat = 0; - boolean transparent = source.maskData != null || source.transparentPixel != -1 || source.alpha != -1 || source.alphaData != null; - if (transparent) { - pixelFormat = Win32.PixelFormat_Format32bppArgb; - if (!(palette.isDirect && source.depth == 32 && redMask == 0xFF00 && greenMask == 0xFF0000 && blueMask == 0xFF000000)) { - newData = new ImageData(width, height, 32, new PaletteData(0xFF00, 0xFF0000, 0xFF000000)); - } - } else { - switch (source.depth) { - case 1: - case 2: - case 4: - case 8: - pixelFormat = Win32.PixelFormat_Format24bppRgb; - newData = new ImageData(source.width, source.height, 24, new PaletteData(0xFF, 0xFF00, 0xFF0000)); - break; - case 16: - if (redMask == 0x7C00 && greenMask == 0x3E0 && blueMask == 0x1F) { - pixelFormat = Win32.PixelFormat_Format16bppRgb555; - } else if (redMask == 0xF800 && greenMask == 0x7E0 && blueMask == 0x1F) { - pixelFormat = Win32.PixelFormat_Format16bppRgb565; - } else { - pixelFormat = Win32.PixelFormat_Format16bppRgb555; - newData = new ImageData(source.width, source.height, 16, new PaletteData(0x7C00, 0x3E0, 0x1F)); - } - break; - case 24: - if (redMask == 0xFF && greenMask == 0xFF00 && blueMask == 0xFF0000) { - pixelFormat = Win32.PixelFormat_Format24bppRgb; - } else { - pixelFormat = Win32.PixelFormat_Format24bppRgb; - newData = new ImageData(source.width, source.height, 24, new PaletteData(0xFF, 0xFF00, 0xFF0000)); - } - break; - case 32: - if (redMask == 0xFF00 && greenMask == 0xFF0000 && blueMask == 0xFF000000) { - pixelFormat = Win32.PixelFormat_Format32bppRgb; - } else { - pixelFormat = Win32.PixelFormat_Format32bppRgb; - newData = new ImageData(source.width, source.height, 32, new PaletteData(0xFF00, 0xFF0000, 0xFF000000)); - } - break; - } - } - if (newData != null) { - PaletteData newPalette = newData.palette; - if (palette.isDirect) { - ImageData.blit(ImageData.BLIT_SRC, - source.data, source.depth, source.bytesPerLine, source.getByteOrder(), 0, 0, width, height, redMask, greenMask, blueMask, - ImageData.ALPHA_OPAQUE, null, 0, 0, 0, - newData.data, newData.depth, newData.bytesPerLine, newData.getByteOrder(), 0, 0, width, height, newPalette.redMask, newPalette.greenMask, newPalette.blueMask, - false, false); - } else { - RGB[] rgbs = palette.getRGBs(); - int length = rgbs.length; - byte[] srcReds = new byte[length]; - byte[] srcGreens = new byte[length]; - byte[] srcBlues = new byte[length]; - for (int i = 0; i < rgbs.length; i++) { - RGB rgb = rgbs[i]; - if (rgb == null) continue; - srcReds[i] = (byte)rgb.red; - srcGreens[i] = (byte)rgb.green; - srcBlues[i] = (byte)rgb.blue; - } - ImageData.blit(ImageData.BLIT_SRC, - source.data, source.depth, source.bytesPerLine, source.getByteOrder(), 0, 0, width, height, srcReds, srcGreens, srcBlues, - ImageData.ALPHA_OPAQUE, null, 0, 0, 0, - newData.data, newData.depth, newData.bytesPerLine, newData.getByteOrder(), 0, 0, width, height, newPalette.redMask, newPalette.greenMask, newPalette.blueMask, - false, false); - } - if (source.transparentPixel != -1) { - newData.transparentPixel = newPalette.getPixel(palette.getRGB(source.transparentPixel)); - } - newData.maskPad = source.maskPad; - newData.maskData = source.maskData; - newData.alpha = source.alpha; - newData.alphaData = source.alphaData; - source = newData; - palette = source.palette; - } - if (transparent) { - if (source.maskData != null || source.transparentPixel != -1) { - ImageData maskImage = source.getTransparencyMask(); - byte[] maskData = maskImage.data; - int maskBpl = maskImage.bytesPerLine; - int offset = 3, maskOffset = 0; - for (int y = 0; y<height; y++) { - for (int x = 0; x<width; x++) { - source.data[offset] = ((maskData[maskOffset + (x >> 3)]) & (1 << (7 - (x & 0x7)))) != 0 ? (byte)0xff : 0; - offset += 4; - } - maskOffset += maskBpl; - } - } else if (source.alpha != -1) { - byte alpha = (byte)source.alpha; - for (int i = 3, j = 0; i < source.data.length; i+=4, j++) { - source.data[i] = alpha; - } - } else { - for (int i = 3, j = 0; i < source.data.length; i+=4, j++) { - source.data[i] = source.alphaData[j]; - } - } - } - int bitmap = OS.gcnew_Bitmap(source.width, source.height, source.bytesPerLine, pixelFormat, source.data); - if (bitmap == 0) SWT.error(SWT.ERROR_NO_HANDLES); - int hIcon = OS.Bitmap_GetHicon(bitmap); - if (hIcon == 0) SWT.error(SWT.ERROR_NO_HANDLES); - ICONINFO info = new ICONINFO(); - Win32.GetIconInfo(hIcon, info); - info.fIcon = false; - info.xHotspot = hotspotX; - info.yHotspot = hotspotY; - Win32.DestroyIcon(hIcon); - hIcon = Win32.CreateIconIndirect(info); - if (info.hbmColor != 0) Win32.DeleteObject(info.hbmColor); - if (info.hbmMask != 0)Win32.DeleteObject(info.hbmMask); - if (hIcon == 0) SWT.error(SWT.ERROR_NO_HANDLES); - - /* Create the cursor */ - int safeHandle = OS.gcnew_SWTSafeHandle(hIcon, true); - if (safeHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - handle = OS.CursorInteropHelper_Create(safeHandle); - if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES); - OS.GCHandle_Free(safeHandle); - OS.GCHandle_Free(bitmap); - init(); -} - -void destroy() { - OS.GCHandle_Free(handle); - handle = 0; -} - -/** - * Compares the argument to the receiver, and returns true - * if they represent the <em>same</em> object using a class - * specific comparison. - * - * @param object the object to compare with this object - * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise - * - * @see #hashCode - */ -public boolean equals (Object object) { - if (object == this) return true; - if (!(object instanceof Cursor)) return false; - Cursor cursor = (Cursor) object; - return device == cursor.device && handle == cursor.handle; -} - -/** - * Returns an integer hash code for the receiver. Any two - * objects that return <code>true</code> when passed to - * <code>equals</code> must return the same value for this - * method. - * - * @return the receiver's hash - * - * @see #equals - */ -public int hashCode () { - return handle; -} - -/** - * Returns <code>true</code> if the cursor has been disposed, - * and <code>false</code> otherwise. - * <p> - * This method gets the dispose state for the cursor. - * When a cursor has been disposed, it is an error to - * invoke any other method using the cursor. - * - * @return <code>true</code> when the cursor is disposed and <code>false</code> otherwise - */ -public boolean isDisposed() { - return handle == 0; -} - -/** - * Returns a string containing a concise, human-readable - * description of the receiver. - * - * @return a string representation of the receiver - */ -public String toString () { - if (isDisposed()) return "Cursor {*DISPOSED*}"; - return "Cursor {" + handle + "}"; -} - -/** - * Invokes platform specific functionality to allocate a new cursor. - * <p> - * <b>IMPORTANT:</b> This method is <em>not</em> part of the public - * API for <code>Cursor</code>. It is marked public only so that it - * can be shared within the packages provided by SWT. It is not - * available on all platforms, and should never be called from - * application code. - * </p> - * - * @param device the device on which to allocate the color - * @param handle the handle for the cursor - * @return a new cursor object containing the specified device and handle - */ -public static Cursor wpf_new(Device device, int handle) { - Cursor cursor = new Cursor(device); - cursor.handle = handle; - return cursor; -} - -} |