public static int getColumnAtPos(TreeItem item, int x, int y) {
int columnCount = item.getParent().getColumnCount();
for (int i = 0; i < columnCount; i++) {
Rectangle rect = item.getBounds(i);
if (rect.contains(x, y)) {
return i;
}
}
return -1;
}
@Test
public void testPack() throws IOException {
tree.setHeaderVisible(true);
column.addListener(SWT.Resize, new LoggingListener());
// Ensure that controlResized is fired when pack changes the width
column.setWidth(12312);
eventLog.clear();
column.pack();
assertSame(eventLog.get(0).widget, column);
// Ensure that controlResized is *not* fired when pack doesn't change the
// width
eventLog.clear();
column.pack();
assertEquals(0, eventLog.size());
// pack calculates a minimal width for an empty column
column = new TreeColumn(tree, SWT.NONE);
column.pack();
assertTrue(column.getWidth() > 0);
// Test that an image on a column is taken into account
column = new TreeColumn(tree, SWT.NONE);
Image image = createImage(display, Fixture.IMAGE_50x100);
column.setImage(image);
column.pack();
assertTrue(column.getWidth() >= image.getBounds().width);
// An item wider than the column itself strechtes the column
column = new TreeColumn(tree, SWT.NONE);
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setImage(image);
column.pack();
assertTrue(column.getWidth() >= item.getBounds().width);
int widthNoSortIndicator = column.getWidth();
tree.setSortColumn(column);
tree.setSortDirection(SWT.UP);
column.pack();
assertTrue(column.getWidth() > widthNoSortIndicator);
}