/*******************************************************************************
* Copyright (c) 2002, 2009 Innoopract Informationssysteme GmbH.
* 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:
* Innoopract Informationssysteme GmbH - initial API and implementation
* EclipseSource - ongoing development
******************************************************************************/
package org.eclipse.swt.widgets;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import junit.framework.TestCase;
import org.eclipse.rwt.Fixture;
import org.eclipse.rwt.graphics.Graphics;
import org.eclipse.rwt.internal.lifecycle.RWTLifeCycle;
import org.eclipse.rwt.internal.theme.IThemeAdapter;
import org.eclipse.rwt.lifecycle.PhaseId;
import org.eclipse.rwt.theme.IControlThemeAdapter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.widgets.IControlAdapter;
import org.eclipse.swt.layout.FillLayout;
public class Control_Test extends TestCase {
protected void setUp() throws Exception {
Fixture.setUp();
Fixture.fakePhase( PhaseId.PROCESS_ACTION );
}
protected void tearDown() throws Exception {
Fixture.tearDown();
}
public void testStyle() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.NONE );
assertTrue( ( control.getStyle() & SWT.LEFT_TO_RIGHT ) != 0 );
control = new Button( shell, SWT.BORDER );
assertTrue( ( control.getStyle() & SWT.LEFT_TO_RIGHT ) != 0 );
}
public void testBounds() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Rectangle controlBounds = control.getBounds();
Rectangle expected = new Rectangle( 0, 0, 0, 0 );
assertEquals( expected, controlBounds );
Rectangle newBounds = new Rectangle( 10, 20, 30, 40 );
control.setBounds( newBounds );
controlBounds = control.getBounds();
expected = new Rectangle( 10, 20, 30, 40 );
assertEquals( expected, controlBounds );
assertNotSame( newBounds, controlBounds );
assertNotSame( controlBounds, control.getBounds() );
newBounds.x = 100;
controlBounds = control.getBounds();
expected = new Rectangle( 10, 20, 30, 40 );
assertEquals( expected, controlBounds );
control.setBounds( 5, 6, 7, 8 );
controlBounds = control.getBounds();
expected = new Rectangle( 5, 6, 7, 8 );
assertEquals( expected, controlBounds );
control.setLocation( 11, 12 );
control.setSize( 13, 14 );
controlBounds = control.getBounds();
expected = new Rectangle( 11, 12, 13, 14 );
assertEquals( expected, controlBounds );
try {
control.setBounds( null );
fail( "Rectangle parameter must not be null." );
} catch( final IllegalArgumentException iae ) {
// expected
}
control.setBounds( 0, 0, -1, -1 );
assertEquals( new Rectangle( 0, 0, 0, 0 ), control.getBounds() );
}
public void testLocation() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Point expectedLocation = new Point( 10, 20 );
control.setLocation( expectedLocation );
Rectangle controlBounds = control.getBounds();
Rectangle expectedBounds = new Rectangle( 10, 20, 0, 0 );
assertEquals( expectedBounds, controlBounds );
Point controlLocation = control.getLocation();
assertEquals( expectedLocation, controlLocation );
assertNotSame( expectedLocation, controlLocation );
expectedLocation.x = 15;
controlLocation = control.getLocation();
assertEquals( new Point( 10, 20 ), controlLocation );
try {
control.setLocation( null );
fail( "Point parameter must not be null." );
} catch( final IllegalArgumentException iae ) {
// expected
}
}
public void testSize() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Point expectedSize = new Point( 10, 20 );
control.setSize( expectedSize );
Rectangle controlBounds = control.getBounds();
Rectangle expectedBounds = new Rectangle( 0, 0, 10, 20 );
assertEquals( expectedBounds, controlBounds );
Point controlSize = control.getSize();
assertEquals( expectedSize, controlSize );
assertNotSame( expectedSize, controlSize );
expectedSize.x = 15;
controlSize = control.getSize();
assertEquals( new Point( 10, 20 ), controlSize );
try {
control.setSize( null );
fail( "Point parameter must not be null." );
} catch( final IllegalArgumentException iae ) {
// expected
}
control.setSize( -2, -2 );
assertEquals( new Point( 0, 0 ), control.getSize() );
}
public void testGetShell() {
Display display = new Display();
Composite shell1 = new Shell( display, SWT.NONE );
Button button1 = new Button( shell1, SWT.PUSH );
Composite shell2 = new Shell( display, SWT.NONE );
Button button2 = new Button( shell2, SWT.PUSH );
assertSame( shell1, shell1.getShell() );
assertSame( shell1, button1.getShell() );
assertSame( shell2, shell2.getShell() );
assertSame( shell2, button2.getShell() );
assertNotSame( shell2, shell1.getShell() );
assertNotSame( shell2, button1.getShell() );
}
public void testToolTipText() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control1 = new Button( shell, SWT.PUSH );
control1.setToolTipText( null );
assertEquals( null, control1.getToolTipText() );
control1.setToolTipText( "" );
assertEquals( "", control1.getToolTipText() );
control1.setToolTipText( "xyz" );
assertEquals( "xyz", control1.getToolTipText() );
Control control2 = new Button( shell, SWT.PUSH );
assertEquals( null, control2.getToolTipText() );
}
public void testMenu() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Menu menu = new Menu( control );
control.setMenu( menu );
assertSame( menu, control.getMenu() );
menu.dispose();
try {
control.setMenu( menu );
fail( "Must not allow to set dipsosed of menu" );
} catch( IllegalArgumentException e ) {
// expected
}
Shell anotherShell = new Shell( display , SWT.NONE );
menu = new Menu( anotherShell, SWT.POP_UP );
try {
control.setMenu( menu );
fail( "Must not allow to set menu from different shell" );
} catch( IllegalArgumentException e ) {
// expected
}
menu = new Menu( shell, SWT.BAR );
try {
control.setMenu( menu );
fail( "Menu to be set must have style SWT.POP_UP" );
} catch( RuntimeException e ) {
// expected
}
menu = new Menu( shell, SWT.POP_UP );
control.setMenu( menu );
menu.dispose();
assertEquals( null, control.getMenu() );
}
public void testDisposeWithMenu() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Menu menu = new Menu( control );
control.setMenu( menu );
control.dispose();
assertEquals( true, menu.isDisposed() );
Control controlA = new Button( shell, SWT.PUSH );
Control controlB = new Button( shell, SWT.PUSH );
menu = new Menu( shell, SWT.POP_UP );
controlA.setMenu( menu );
controlB.setMenu( menu );
controlA.dispose();
assertEquals( true, menu.isDisposed() );
}
public void testFont() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Composite composite = new Composite( shell, SWT.NONE );
Control control = new Button( composite, SWT.PUSH );
// Initially the system font is set
assertSame( display.getSystemFont(), control.getFont() );
// Setting a parents' font must not affect the childrens font
Font compositeFont = Graphics.getFont( "Composite Font", 12, SWT.NORMAL );
composite.setFont( compositeFont );
assertNotSame( control.getFont(), compositeFont );
// (re)setting a font to null assigns the system font to the control
Label label = new Label( composite, SWT.NONE );
Font labelFont = Graphics.getFont( "label font", 14, SWT.BOLD );
label.setFont( labelFont );
assertSame( labelFont, label.getFont() );
label.setFont( null );
assertSame( display.getSystemFont(), label.getFont() );
}
public void testForeground() throws Exception {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Composite comp = new Composite( shell, SWT.NONE );
Control control = new Label( comp, SWT.PUSH );
// Initially the system widget foreground color is set
assertSame( display.getSystemColor( SWT.COLOR_WIDGET_FOREGROUND ),
control.getForeground() );
// Setting a parents' color must not affect the children's color
comp.setForeground( display.getSystemColor( SWT.COLOR_RED ) );
assertNotSame( display.getSystemColor( SWT.COLOR_RED ),
control.getForeground() );
// setting the foreground changes the state persistently
control.setForeground( display.getSystemColor( SWT.COLOR_BLUE ) );
assertSame( display.getSystemColor( SWT.COLOR_BLUE ),
control.getForeground() );
// (re)setting the foreground to null assigns the system color again
control.setForeground( null );
assertSame( display.getSystemColor( SWT.COLOR_WIDGET_FOREGROUND ),
control.getForeground() );
}
public void testBackground() throws Exception {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Composite comp = new Composite( shell, SWT.NONE );
Control control = new Label( comp, SWT.PUSH );
// Initially the system widget background color is set
assertSame( display.getSystemColor( SWT.COLOR_WIDGET_BACKGROUND ),
control.getBackground() );
// Setting a parents' color must not affect the children's color
comp.setBackground( display.getSystemColor( SWT.COLOR_RED ) );
assertNotSame( display.getSystemColor( SWT.COLOR_RED ),
control.getBackground() );
// setting the background changes the state persistently
control.setBackground( display.getSystemColor( SWT.COLOR_BLUE ) );
assertSame( display.getSystemColor( SWT.COLOR_BLUE ),
control.getBackground() );
// (re)setting the background to null assigns the system color again
control.setBackground( null );
assertSame( display.getSystemColor( SWT.COLOR_WIDGET_BACKGROUND ),
control.getBackground() );
}
public void testBackgroundMode() throws Exception {
Display display = new Display();
Color red = display.getSystemColor( SWT.COLOR_RED );
Color blue = display.getSystemColor( SWT.COLOR_BLUE );
Color widgetBg = display.getSystemColor( SWT.COLOR_WIDGET_BACKGROUND );
Image image = Graphics.getImage( Fixture.IMAGE1 );
Shell shell = new Shell( display );
Composite comp = new Composite( shell, SWT.NONE );
Control control = new Label( comp, SWT.NONE );
// no inheritance by default
comp.setBackground( red );
assertEquals( widgetBg, control.getBackground() );
// inherited background
comp.setBackgroundMode( SWT.INHERIT_DEFAULT );
assertEquals( red, control.getBackground() );
// newly created control also inherits background mode
Control control2 = new Label( comp, SWT.NONE );
assertEquals( red, control2.getBackground() );
// no inheritance when bg image is set
control.setBackgroundImage( image );
assertEquals( widgetBg, control.getBackground() );
// inherited background again
control.setBackgroundImage( null );
assertEquals( red, control.getBackground() );
// no inheritance when bg color is set
control.setBackground( blue );
assertEquals( blue, control.getBackground() );
}
public void testBackgroundModeMultiLevel() throws Exception {
Display display = new Display();
Color red = display.getSystemColor( SWT.COLOR_RED );
Color blue = display.getSystemColor( SWT.COLOR_BLUE );
Shell shell = new Shell( display );
Composite comp = new Composite( shell, SWT.NONE );
Label label = new Label( comp, SWT.NONE );
// label inherits background from shell
shell.setBackground( red );
shell.setBackgroundMode( SWT.INHERIT_DEFAULT );
comp.setBackgroundMode( SWT.INHERIT_DEFAULT );
assertEquals( red, label.getBackground() );
// label inherits background from comp
comp.setBackground( blue );
assertEquals( blue, label.getBackground() );
}
public void testBackgroundTransparency() throws Exception {
Display display = new Display();
Shell shell = new Shell( display );
Composite comp = new Composite( shell, SWT.NONE );
Color blue = display.getSystemColor( SWT.COLOR_BLUE );
comp.setBackground( blue );
Image image = Graphics.getImage( Fixture.IMAGE1 );
comp.setBackgroundImage( image );
Control control = new Label( comp, SWT.NONE );
IControlAdapter adapter
= ( IControlAdapter )control.getAdapter( IControlAdapter.class );
// initial state
assertNull( adapter.getUserBackground() );
assertNull( adapter.getUserBackgroundImage() );
assertFalse( adapter.getBackgroundTransparency() );
// set background mode on parent enables transparency
comp.setBackgroundMode( SWT.INHERIT_DEFAULT );
assertSame( blue, control.getBackground() );
assertSame( image, control.getBackgroundImage() );
assertNull( adapter.getUserBackground() );
assertNull( adapter.getUserBackgroundImage() );
assertTrue( adapter.getBackgroundTransparency() );
// controls created after set background mode are also transparent
Control control2 = new Label( comp, SWT.NONE );
IControlAdapter adapter2
= ( IControlAdapter )control2.getAdapter( IControlAdapter.class );
assertSame( blue, control.getBackground() );
assertSame( image, control.getBackgroundImage() );
assertNull( adapter2.getUserBackground() );
assertNull( adapter2.getUserBackgroundImage() );
assertTrue( adapter2.getBackgroundTransparency() );
// set color on control overrides transparency
Color red = display.getSystemColor( SWT.COLOR_RED );
control.setBackground( red );
assertSame( red, control.getBackground() );
assertNull( control.getBackgroundImage() );
assertEquals( red, adapter.getUserBackground() );
assertFalse( adapter.getBackgroundTransparency() );
}
public void testEnabled() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Composite composite = new Composite( shell, SWT.NONE );
Control control = new Button( composite, SWT.PUSH );
// Must be enabled, initially
assertEquals( true, control.getEnabled() );
assertEquals( true, control.isEnabled() );
// Must react on setEnabled()
control.setEnabled( false );
assertEquals( false, control.getEnabled() );
assertEquals( false, control.isEnabled() );
// Test the difference between is- and getEnabled
control.setEnabled( true );
composite.setEnabled( false );
assertEquals( false, composite.getEnabled() );
assertEquals( false, composite.isEnabled() );
assertEquals( true, control.getEnabled() );
assertEquals( false, control.isEnabled() );
}
public void testUserForeground() throws Exception {
Display display = new Display();
Shell shell = new Shell( display );
Composite composite = new Composite( shell, SWT.NONE );
Control control = new Label( composite, SWT.NONE );
Color blue = display.getSystemColor( SWT.COLOR_BLUE );
IControlAdapter adapter
= ( IControlAdapter )control.getAdapter( IControlAdapter.class );
assertNull( adapter.getUserForeground() );
Color themeColor = control.getForeground();
// enabled state:
control.setForeground( blue );
assertEquals( blue, adapter.getUserForeground() );
assertEquals( blue, control.getForeground() );
// disabled directly
control.setEnabled( false );
assertEquals( null, adapter.getUserForeground() );
assertEquals( blue, control.getForeground() );
// disabled indirectly
control.setEnabled( true );
composite.setEnabled( false );
assertEquals( null, adapter.getUserForeground() );
assertEquals( blue, control.getForeground() );
// re-enabled
composite.setEnabled( true );
assertEquals( blue, adapter.getUserForeground() );
assertEquals( blue, control.getForeground() );
// reset
control.setForeground( null );
assertEquals( null, adapter.getUserForeground() );
assertEquals( themeColor, control.getForeground() );
}
public void testVisible() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Composite composite = new Composite( shell, SWT.NONE );
Control control = new Button( composite, SWT.PUSH );
shell.open();
// Must be enabled, initially
assertEquals( true, control.getVisible() );
assertEquals( true, control.isVisible() );
// Must react on setEnabled()
control.setVisible( false );
assertEquals( false, control.getVisible() );
assertEquals( false, control.isVisible() );
// Test the difference between is- and getEnabled
control.setVisible( true );
composite.setVisible( false );
assertEquals( false, composite.getVisible() );
assertEquals( false, composite.isVisible() );
assertEquals( true, control.getVisible() );
assertEquals( false, control.isVisible() );
}
public void testZOrder() {
Display display = new Display();
Composite shell = new Shell( display, SWT.NONE );
Control control1 = new Button( shell, SWT.PUSH );
Control control2 = new Button( shell, SWT.PUSH );
Control control3 = new Button( shell, SWT.PUSH );
assertEquals( 0, ControlHolder.indexOf( shell, control1 ) );
assertEquals( 1, ControlHolder.indexOf( shell, control2 ) );
assertEquals( 2, ControlHolder.indexOf( shell, control3 ) );
control3.moveAbove( control2 );
assertEquals( 0, ControlHolder.indexOf( shell, control1 ) );
assertEquals( 1, ControlHolder.indexOf( shell, control3 ) );
assertEquals( 2, ControlHolder.indexOf( shell, control2 ) );
control1.moveBelow( control3 );
assertEquals( 0, ControlHolder.indexOf( shell, control3 ) );
assertEquals( 1, ControlHolder.indexOf( shell, control1 ) );
assertEquals( 2, ControlHolder.indexOf( shell, control2 ) );
control2.moveAbove( null );
assertEquals( 0, ControlHolder.indexOf( shell, control2 ) );
assertEquals( 1, ControlHolder.indexOf( shell, control3 ) );
assertEquals( 2, ControlHolder.indexOf( shell, control1 ) );
control2.moveBelow( null );
assertEquals( 0, ControlHolder.indexOf( shell, control3 ) );
assertEquals( 1, ControlHolder.indexOf( shell, control1 ) );
assertEquals( 2, ControlHolder.indexOf( shell, control2 ) );
// control is already at the top / bottom
control3.moveAbove( null );
assertEquals( 0, ControlHolder.indexOf( shell, control3 ) );
control2.moveBelow( null );
assertEquals( 0, ControlHolder.indexOf( shell, control3 ) );
// try to move control above / below itself
control1.moveAbove( control1 );
assertEquals( 1, ControlHolder.indexOf( shell, control1 ) );
control1.moveBelow( control1 );
assertEquals( 1, ControlHolder.indexOf( shell, control1 ) );
shell.dispose();
}
public void testFocus() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control1 = new Button( shell, SWT.PUSH );
// When shell is closed, creating a control does not affect its focus
assertSame( null, display.getFocusControl() );
// When no focus was set, the first control is forceFocus'ed
shell.open();
assertSame( control1, display.getFocusControl() );
assertTrue( control1.isFocusControl() );
}
public void testFocusOnClosedShell() {
Display display = new Display();
final Shell shell = new Shell( display, SWT.NONE );
Control control1 = new Button( shell, SWT.PUSH );
final Control control2 = new Button( shell, SWT.PUSH );
final StringBuffer log = new StringBuffer();
FocusListener focusListener = new FocusListener() {
public void focusGained( final FocusEvent event ) {
if( event.getSource() == shell ) {
log.append( "shell.focusGained|" );
} else if( event.getSource() == control2 ) {
log.append( "control2.focusGained|" );
} else {
fail( "Unexpected event: focusGained" );
}
}
public void focusLost( final FocusEvent event ) {
if( event.getSource() == shell ) {
log.append( "shell.focusLost|" );
} else if( event.getSource() == control2 ) {
log.append( "control2.focusLost|" );
} else {
fail( "Unexpected event: focusLost" );
}
}
};
shell.addFocusListener( focusListener );
control2.addFocusListener( focusListener );
// focus control on closed shell, returns false
boolean result = control2.forceFocus();
assertFalse( result );
assertNotSame( control2, display.getFocusControl() );
// ...but will set the focus once the shell is opened
shell.open();
assertSame( control2, display.getFocusControl() );
assertFalse( control1.isFocusControl() );
assertTrue( control2.isFocusControl() );
assertEquals( "shell.focusGained|shell.focusLost|control2.focusGained|",
log.toString() );
}
public void testNoFocusControls() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.NONE );
control.forceFocus();
Control noFocusControl = new Label( shell, SWT.NONE );
shell.open();
// calling setFocus on controls with NO_FOCUS bit has no effect
boolean result = noFocusControl.setFocus();
assertFalse( result );
assertFalse( noFocusControl.isFocusControl() );
// ... but calling forceFocus marks even the NO_FOCUS control as focused
result = noFocusControl.forceFocus();
assertTrue( result );
assertTrue( noFocusControl.isFocusControl() );
}
public void testDisposeOfFocused() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control1 = new Button( shell, SWT.PUSH );
Composite composite = new Composite( shell, SWT.NONE );
Control control2 = new Button( composite, SWT.PUSH );
Control control3 = new Button( composite, SWT.PUSH );
shell.open();
// Disposing of a control focuses its parent if the parent itself was not
// disposed of
control1.dispose();
assertSame( shell, display.getFocusControl() );
control3.setFocus();
control3.dispose();
assertSame( composite, display.getFocusControl() );
control2.setFocus();
composite.dispose();
assertSame( shell, display.getFocusControl() );
shell.dispose();
assertSame( null, display.getFocusControl() );
}
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=265634
public void testNoFocusOutOnDispose() {
final StringBuffer log = new StringBuffer();
Display display = new Display();
Shell shell = new Shell( display );
Control control = new Button( shell, SWT.PUSH );
control.addFocusListener( new FocusAdapter() {
public void focusLost( FocusEvent event ) {
log.append( "focusout" );
}
} );
shell.open();
control.dispose();
assertEquals( "", log.toString() );
}
public void testHideFocusedControl() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
shell.setLayout( new FillLayout() );
Composite composite = new Composite( shell, SWT.NONE );
Control control = new Button( composite, SWT.PUSH );
shell.setSize( 100, 100 );
shell.open();
// Hide control -> its parent (composite) must take focus
control.setFocus();
assertTrue( control.isFocusControl() );
control.setVisible( false );
assertFalse( control.isFocusControl() );
assertTrue( composite.isFocusControl() );
assertSame( composite, display.getFocusControl() );
// Indirectly hide control -> shell must take focus
control.setVisible( true );
control.setFocus();
composite.setVisible( false );
assertFalse( control.isVisible() );
assertFalse( control.isFocusControl() );
assertFalse( composite.isFocusControl() );
assertTrue( shell.isFocusControl() );
assertSame( shell, display.getFocusControl() );
// Indirectly hide control and leave no visible parent
// no control must have focus
control.setVisible( true );
control.setFocus();
shell.setVisible( false );
assertFalse( shell.isVisible() );
assertFalse( shell.isFocusControl() );
assertFalse( composite.isFocusControl() );
assertNull( display.getFocusControl() );
}
public void testFocusEventsForForceFocus() {
final StringBuffer log = new StringBuffer();
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
final Control control1 = new Button( shell, SWT.PUSH );
control1.addFocusListener( new FocusAdapter() {
public void focusGained( final FocusEvent event ) {
assertSame( control1, event.getSource() );
log.append( "focusGained" );
}
public void focusLost( final FocusEvent event ) {
log.append( "focusLost" );
}
} );
shell.open();
// Changing focus programmatically must throw event
control1.forceFocus();
assertEquals( "focusGained", log.toString() );
// Focusing the same control again must not cause an event.
log.setLength( 0 );
control1.forceFocus();
assertEquals( "", log.toString() );
}
public void testToControl() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
Control control = new Button( shell, SWT.PUSH );
Point controlCoords = control.toControl( 0, 0 );
assertEquals( new Point( 0, 0 ), control.toDisplay( controlCoords.x,
controlCoords.y ) );
controlCoords = control.toControl( new Point( 0, 0 ) );
assertEquals( new Point( 0, 0 ), control.toDisplay( controlCoords ) );
try {
control.toControl( null );
fail( "No exception thrown for null-argument" );
} catch( IllegalArgumentException e ) {
}
}
public void testToDisplay() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
final Control control = new Button( shell, SWT.PUSH );
Point displayCoords = control.toDisplay( 0, 0 );
assertEquals( new Point( 0, 0 ), control.toControl( displayCoords.x,
displayCoords.y ) );
displayCoords = control.toDisplay( new Point( 0, 0 ) );
assertEquals( new Point( 0, 0 ), control.toControl( displayCoords ) );
try {
control.toDisplay( null );
fail( "No exception thrown for null-argument" );
} catch( IllegalArgumentException e ) {
}
}
/**
* each Control has to inherit the orientation from its parent (or sets the
* orientation to SWT.LEFT_TO_RIGHT
*/
public void testOrientation() {
Display display = new Display();
Shell shellDefault = new Shell( display, SWT.NONE );
Composite childDefault = new Composite( shellDefault, SWT.NONE );
assertTrue( "default orientation: SWT.LEFT_TO_RIGHT",
( shellDefault.getStyle() & SWT.LEFT_TO_RIGHT ) != 0 );
assertTrue( "default orientation inherited: SWT.LEFT_TO_RIGHT",
( childDefault.getStyle() & SWT.LEFT_TO_RIGHT ) != 0 );
}
public void testShowEvent() {
Fixture.fakePhase( PhaseId.PROCESS_ACTION );
final java.util.List log = new ArrayList();
Listener showListener = new Listener() {
public void handleEvent( final Event event ) {
log.add( event );
}
};
Display display = new Display();
Shell shell = new Shell( display );
shell.addListener( SWT.Show, showListener );
Control control = new Button( shell, SWT.NONE );
control.addListener( SWT.Show, showListener );
// Separate test for shell (since it overides setVisible); Show event is
// only sent for the shell itself, not for its containing controls
shell.setVisible( true );
assertEquals( 1, log.size() );
Event event = ( Event )log.get( 0 );
assertSame( shell, event.widget );
// Calling setVisible(true) on an already visible control does not trigger
// event
log.clear();
control.setVisible( true );
assertEquals( 0, log.size() );
// Making an invisible control visible, sends the Show event
control.setVisible( false );
log.clear();
control.setVisible( true );
assertEquals( 1, log.size() );
assertSame( control, ( ( Event )log.get( 0 ) ).widget );
}
public void testShowEventDetails() {
Listener ensureInvisible = new Listener() {
public void handleEvent( final Event event ) {
assertFalse( ( ( Control )event.widget ).getVisible() );
}
};
Display display = new Display();
Shell shell = new Shell( display );
shell.addListener( SWT.Show, ensureInvisible );
shell.setVisible( true );
}
public void testHideEvent() {
Fixture.fakePhase( PhaseId.PROCESS_ACTION );
final java.util.List log = new ArrayList();
Listener showListener = new Listener() {
public void handleEvent( final Event event ) {
log.add( event );
}
};
Display display = new Display();
Shell shell = new Shell( display );
shell.addListener( SWT.Hide, showListener );
Control control = new Button( shell, SWT.NONE );
control.addListener( SWT.Hide, showListener );
shell.open();
log.clear();
control.setVisible( false );
assertEquals( 1, log.size() );
assertSame( control, ( ( Event )log.get( 0 ) ).widget );
log.clear();
shell.setVisible( false );
assertEquals( 1, log.size() );
assertSame( shell, ( ( Event )log.get( 0 ) ).widget );
log.clear();
shell.setVisible( true );
control.setVisible( true );
shell.setVisible( false );
assertEquals( 1, log.size() );
assertSame( shell, ( ( Event )log.get( 0 ) ).widget );
}
public void testCursor() {
Display display = new Display();
Shell shell = new Shell( display, SWT.NONE );
final Control control = new Button( shell, SWT.PUSH );
assertNull( control.getCursor() );
Cursor handCursor = display.getSystemCursor( SWT.CURSOR_HAND );
control.setCursor( handCursor );
assertEquals( handCursor, control.getCursor() );
Cursor crossCursor = display.getSystemCursor( SWT.CURSOR_CROSS );
control.setCursor( crossCursor );
assertEquals( crossCursor, control.getCursor() );
control.setCursor( null );
assertNull( control.getCursor() );
}
public void testGetMonitor() throws Exception {
Display display = new Display();
Control control = new Shell( display );
Monitor monitor = control.getMonitor();
assertNotNull( monitor );
assertEquals( display.getPrimaryMonitor(), monitor );
}
public void testUntypedHelpListener() {
final Event[] untypedHelpEvent = { null };
Fixture.fakePhase( PhaseId.PROCESS_ACTION );
Display display = new Display();
Control control = new Shell( display );
control.addListener( SWT.Help, new Listener() {
public void handleEvent( final Event event ) {
untypedHelpEvent[ 0 ] = event;
}
} );
control.notifyListeners( SWT.Help, new Event() );
assertNotNull( untypedHelpEvent[ 0 ] );
}
public void testRedraw() {
Display display = new Display();
Composite control = new Shell( display );
control.redraw();
assertTrue( RWTLifeCycle.needsFakeRedraw( control ) );
}
public void testSetBackground() {
Display display = new Display();
Composite control = new Shell( display );
Color color = display.getSystemColor( SWT.COLOR_RED );
control.setBackground( color );
assertEquals( color, control.getBackground() );
control.setBackground( null );
IControlThemeAdapter themeAdapter
= ( IControlThemeAdapter )control.getAdapter( IThemeAdapter.class );
assertEquals( themeAdapter.getBackground( control ), control.getBackground() );
Color color2 = new Color( display, 0, 0, 0 );
color2.dispose();
try {
control.setBackground( color2 );
fail( "Disposed Image must not be set." );
} catch( IllegalArgumentException e ) {
// Expected Exception
}
}
public void testSetBackgroundImage() {
ClassLoader loader = Fixture.class.getClassLoader();
InputStream stream = loader.getResourceAsStream( Fixture.IMAGE1 );
Display display = new Display();
Composite control = new Shell( display );
Image image = new Image( display, stream );
image.dispose();
try {
control.setBackgroundImage( image );
fail( "Disposed Image must not be set." );
} catch( IllegalArgumentException e ) {
// Expected Exception
}
finally {
try {
stream.close();
}
catch(IOException e) {
fail("Unable to close input stream.");
}
}
}
public void testSetCursor() {
Display display = new Display();
Composite control = new Shell( display );
Cursor cursor = new Cursor( display, SWT.NONE );
control.setCursor( cursor );
assertEquals( cursor, control.getCursor() );
control.setCursor( null );
assertEquals( null, control.getCursor() );
cursor.dispose();
try {
control.setCursor( cursor );
fail( "Disposed Image must not be set." );
} catch( IllegalArgumentException e ) {
// Expected Exception
}
}
public void testSetFont() {
Display display = new Display();
Composite control = new Shell( display );
Font controlFont = Graphics.getFont( "BeautifullyCraftedTreeFont",
15,
SWT.BOLD );
control.setFont( controlFont );
assertSame( controlFont, control.getFont() );
Font itemFont = Graphics.getFont( "ItemFont", 40, SWT.NORMAL );
control.setFont( itemFont );
assertSame( itemFont, control.getFont() );
control.setFont( null );
IControlThemeAdapter themeAdapter
= ( IControlThemeAdapter )control.getAdapter( IThemeAdapter.class );
assertSame( themeAdapter.getFont( control ), control.getFont() );
// Test with images, that should appear on unselected tabs
Font font = new Font( display, "Testfont", 10, SWT.BOLD );
font.dispose();
try {
control.setFont( font );
fail( "Disposed font must not be set." );
} catch( IllegalArgumentException e ) {
// Expected Exception
}
}
public void testSetForeground() {
Display display = new Display();
Composite control = new Shell( display );
Color color = display.getSystemColor( SWT.COLOR_RED );
control.setForeground( color );
assertEquals( color, control.getForeground() );
control.setForeground( null );
IControlThemeAdapter themeAdapter
= ( IControlThemeAdapter )control.getAdapter( IThemeAdapter.class );
assertEquals( themeAdapter.getForeground( control ), control.getForeground() );
Color color2 = new Color( display, 255, 0, 0 );
color2.dispose();
try {
control.setForeground( color2 );
fail( "Disposed color must not be set." );
} catch( IllegalArgumentException e ) {
// Expected Exception
}
}
}