Examples with LineBackgroundListener org.eclipse.swt.custom.LineBackgroundListener used on opensource projects

Example 1 with LineBackgroundListener

use of org.eclipse.swt.custom.LineBackgroundListener in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_LineBackgroundListener method test_lineGetBackgroundLorg_eclipse_swt_custom_LineBackgroundEvent.

@Test
public void test_lineGetBackgroundLorg_eclipse_swt_custom_LineBackgroundEvent() {
    LineBackgroundListener listener = event -> {
        assertTrue(":1:", event.lineOffset == 0);
        assertTrue(":2:", event.lineText.equals("0123456789"));
    };
    styledText.addLineBackgroundListener(listener);
    styledText.setText("0123456789");
    // force get line bg callback
    styledText.selectAll();
    styledText.copy();
    styledText.removeLineBackgroundListener(listener);
}

Example 2 with LineBackgroundListener

use of org.eclipse.swt.custom.LineBackgroundListener in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_StyledText method test_addLineBackgroundListenerLorg_eclipse_swt_custom_LineBackgroundListener.

@Test
public void test_addLineBackgroundListenerLorg_eclipse_swt_custom_LineBackgroundListener() {
    String line = "Line1";
    boolean exceptionThrown = false;
    LineBackgroundListener listener = event -> listenerCalled = true;
    try {
        text.addLineBackgroundListener(null);
    } catch (IllegalArgumentException e) {
        exceptionThrown = true;
    }
    assertTrue("Expected exception not thrown", exceptionThrown);
    listenerCalled = false;
    text.setText(line);
    text.addLineBackgroundListener(listener);
    // cause StyledText to call the listener.
    text.setSelection(0, text.getCharCount());
    text.copy();
    assertTrue("Listener not called", listenerCalled);
    listenerCalled = false;
    text.removeLineBackgroundListener(listener);
    // cause StyledText to call the listener.
    text.setText(line);
    text.setSelection(0, text.getCharCount());
    text.copy();
    assertFalse("Listener not removed", listenerCalled);
}