/** Pop the cursor on top of the cursorStack and set it as the canvas cursor. */
public void popCursor() {
if (curCursor != null) {
// We must manually dispose of cursors under SWT
curCursor.dispose();
}
if (cursorStack.isEmpty()) {
curCursor = null;
} else {
curCursor = (Cursor) cursorStack.pop();
}
// This sets the cursor back to default
setCursor(curCursor);
}
/**
* Set the canvas cursor, and remember the previous cursor on the cursor stack. Under the hood it
* is mapping the java.awt.Cursor to org.eclipse.swt.graphics.Cursor objects.
*
* @param newCursor new cursor to push onto the cursor stack
*/
public void pushCursor(final java.awt.Cursor newCursor) {
Cursor swtCursor = null;
if (newCursor.getType() == java.awt.Cursor.N_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZEN);
} else if (newCursor.getType() == java.awt.Cursor.NE_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZENE);
} else if (newCursor.getType() == java.awt.Cursor.NW_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZENW);
} else if (newCursor.getType() == java.awt.Cursor.S_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZES);
} else if (newCursor.getType() == java.awt.Cursor.SE_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZESE);
} else if (newCursor.getType() == java.awt.Cursor.SW_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZESW);
} else if (newCursor.getType() == java.awt.Cursor.E_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZEE);
} else if (newCursor.getType() == java.awt.Cursor.W_RESIZE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZEW);
} else if (newCursor.getType() == java.awt.Cursor.TEXT_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_IBEAM);
} else if (newCursor.getType() == java.awt.Cursor.HAND_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_HAND);
} else if (newCursor.getType() == java.awt.Cursor.MOVE_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_SIZEALL);
} else if (newCursor.getType() == java.awt.Cursor.CROSSHAIR_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_CROSS);
} else if (newCursor.getType() == java.awt.Cursor.WAIT_CURSOR) {
swtCursor = new Cursor(getDisplay(), SWT.CURSOR_WAIT);
}
if (swtCursor != null) {
if (curCursor != null) {
cursorStack.push(curCursor);
}
curCursor = swtCursor;
setCursor(swtCursor);
}
}