diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Cursor.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Cursor.java | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Cursor.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Cursor.java deleted file mode 100755 index 5792deab48..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Cursor.java +++ /dev/null @@ -1,268 +0,0 @@ -package org.eclipse.swt.graphics;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.internal.motif.*;
-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> - */ -public final class Cursor {
- /** - * the handle to the OS cursor resource - * (Warning: This field is platform dependent) - */
- public int handle;
-
- /**
- * The device where this image was created.
- */
- Device device;
-
-Cursor () {
-}
-/** - * 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_INVALID_ARGUMENT - when an unknown style is specified</li> - * </ul> - * - * @see Cursor for the supported style values - */ -public Cursor (Device device, int style) {
- if (device == null) device = Device.getDevice();
- if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
- this.device = device;
- int shape = 0;
- switch (style) {
- case SWT.CURSOR_ARROW: shape = OS.XC_left_ptr; break;
- case SWT.CURSOR_WAIT: shape = OS.XC_watch; break;
- case SWT.CURSOR_HAND: shape = OS.XC_hand2; break;
- case SWT.CURSOR_CROSS: shape = OS.XC_cross; break;
- case SWT.CURSOR_APPSTARTING: shape = OS.XC_watch; break;
- case SWT.CURSOR_HELP: shape = OS.XC_question_arrow; break;
- case SWT.CURSOR_SIZEALL: shape = OS.XC_diamond_cross; break;
- case SWT.CURSOR_SIZENESW: shape = OS.XC_sizing; break;
- case SWT.CURSOR_SIZENS: shape = OS.XC_double_arrow; break;
- case SWT.CURSOR_SIZENWSE: shape = OS.XC_sizing; break;
- case SWT.CURSOR_SIZEWE: shape = OS.XC_sb_h_double_arrow; break;
- case SWT.CURSOR_SIZEN: shape = OS.XC_top_side; break;
- case SWT.CURSOR_SIZES: shape = OS.XC_bottom_side; break;
- case SWT.CURSOR_SIZEE: shape = OS.XC_right_side; break;
- case SWT.CURSOR_SIZEW: shape = OS.XC_left_side; break;
- case SWT.CURSOR_SIZENE: shape = OS.XC_top_right_corner; break;
- case SWT.CURSOR_SIZESE: shape = OS.XC_bottom_right_corner; break;
- case SWT.CURSOR_SIZESW: shape = OS.XC_bottom_left_corner; break;
- case SWT.CURSOR_SIZENW: shape = OS.XC_top_left_corner; break;
- case SWT.CURSOR_UPARROW: shape = OS.XC_sb_up_arrow; break;
- case SWT.CURSOR_IBEAM: shape = OS.XC_xterm; break;
- case SWT.CURSOR_NO: shape = OS.XC_X_cursor; break;
- default:
- SWT.error(SWT.ERROR_INVALID_ARGUMENT);
- }
- this.handle = OS.XCreateFontCursor(device.xDisplay, shape);
-}
-/** - * Constructs a new cursor given a device, image and mask - * data describing the desired cursor appearance, and the x - * and y co-ordinates 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 - when a null argument is passed that is not allowed</li> - * <li>ERROR_INVALID_ARGUMENT - if the source and the mask are not the same - * size, or either is not of depth one, or if the hotspot is outside - * the bounds of the image</li> - * </ul> - * @exception SWTError <ul> - * <li>ERROR_NO_HANDLES - if an error occurred constructing the cursor</li> - * </ul> - */ -public Cursor (Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) {
- if (device == null) device = Device.getDevice();
- if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
- this.device = device;
- if (source == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
- if (mask == null) {
- if (source.getTransparencyType() != SWT.TRANSPARENCY_MASK) {
- SWT.error(SWT.ERROR_INVALID_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 depths */
- if (mask.depth != 1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
- if (source.depth != 1) 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);
- }
- /* Swap the bits if necessary */
- byte[] sourceData = new byte[source.data.length];
- byte[] maskData = new byte[mask.data.length];
- /* Swap the bits in each byte */
- byte[] data = source.data;
- for (int i = 0; i < data.length; i++) {
- byte s = data[i];
- sourceData[i] = (byte)(((s & 0x80) >> 7) |
- ((s & 0x40) >> 5) |
- ((s & 0x20) >> 3) |
- ((s & 0x10) >> 1) |
- ((s & 0x08) << 1) |
- ((s & 0x04) << 3) |
- ((s & 0x02) << 5) |
- ((s & 0x01) << 7));
- sourceData[i] = (byte) ~sourceData[i];
- }
- data = mask.data;
- for (int i = 0; i < data.length; i++) {
- byte s = data[i];
- maskData[i] = (byte)(((s & 0x80) >> 7) |
- ((s & 0x40) >> 5) |
- ((s & 0x20) >> 3) |
- ((s & 0x10) >> 1) |
- ((s & 0x08) << 1) |
- ((s & 0x04) << 3) |
- ((s & 0x02) << 5) |
- ((s & 0x01) << 7));
- maskData[i] = (byte) ~maskData[i];
- }
- int xDisplay = device.xDisplay;
- int drawable = OS.XDefaultRootWindow(xDisplay);
- int sourcePixmap = OS.XCreateBitmapFromData(xDisplay, drawable, sourceData, source.width, source.height);
- int maskPixmap = OS.XCreateBitmapFromData(xDisplay, drawable, maskData, source.width, source.height);
- /* Get the colors */
- int screenNum = OS.XDefaultScreen(xDisplay);
- XColor foreground = new XColor();
- foreground.pixel = OS.XBlackPixel(xDisplay, screenNum);
- foreground.red = foreground.green = foreground.blue = 0;
- XColor background = new XColor();
- background.pixel = OS.XWhitePixel(xDisplay, screenNum);
- background.red = background.green = background.blue = (short)0xFFFF;
- /* Create the cursor */
- handle = OS.XCreatePixmapCursor(xDisplay, maskPixmap, sourcePixmap, foreground, background, hotspotX, hotspotY);
- /* Dispose the pixmaps */
- OS.XFreePixmap(xDisplay, sourcePixmap);
- OS.XFreePixmap(xDisplay, maskPixmap);
- if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
-}
-/** - * Disposes of the operating system resources associated with - * the cursor. Applications must dispose of all cursors which - * they allocate. - */ -public void dispose () {
- if (handle == 0) return; - if (device.isDisposed()) return; - OS.XFreeCursor(device.xDisplay, handle);
- device = null; - 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 which 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;
-}
-public static Cursor motif_new(Device device, int handle) {
- if (device == null) device = Device.getDevice();
- Cursor cursor = new Cursor();
- cursor.device = device;
- cursor.handle = handle;
- return cursor;
-}
-/**
- * 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 + "}";
-}
-}
|