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UI inspector: support using it in any application

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This commit is contained in:
Karl Tauber
2019-12-13 23:24:10 +01:00
parent 65fbcedaa4
commit e9b17ac24a
1 changed files with 50 additions and 2 deletions
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52
flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatInspector.java
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@@ -16,6 +16,7 @@
package com.formdev.flatlaf.testing;
import java.awt.AWTEvent;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
@@ -25,9 +26,15 @@ import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.KeyboardFocusManager;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;
import java.lang.reflect.Field;
import javax.swing.AbstractButton;
import javax.swing.JComponent;
@@ -35,6 +42,8 @@ import javax.swing.JMenuBar;
import javax.swing.JRootPane;
import javax.swing.JToolBar;
import javax.swing.JToolTip;
import javax.swing.KeyStroke;
import javax.swing.RootPaneContainer;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
@@ -53,7 +62,10 @@ public class FlatInspector
private static final Integer HIGHLIGHT_LAYER = 401;
private static final Integer TOOLTIP_LAYER = 402;
private static final int KEY_MODIFIERS_MASK = InputEvent.CTRL_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK | InputEvent.ALT_DOWN_MASK | InputEvent.META_DOWN_MASK;
private final JRootPane rootPane;
private final MouseMotionListener mouseMotionListener;
private Component lastComponent;
private int lastX;
@@ -63,10 +75,38 @@ public class FlatInspector
private JComponent highlightFigure;
private JToolTip tip;
/**
* Installs a key listener into the application that allows enabling and disabling
* the UI inspector with the given keystroke (e.g. "ctrl shift alt X").
*/
public static void install( String activationKeys ) {
KeyStroke keyStroke = KeyStroke.getKeyStroke( activationKeys );
Toolkit.getDefaultToolkit().addAWTEventListener( e -> {
if( e.getID() == KeyEvent.KEY_RELEASED &&
((KeyEvent)e).getKeyCode() == keyStroke.getKeyCode() &&
(((KeyEvent)e).getModifiersEx() & KEY_MODIFIERS_MASK) == (keyStroke.getModifiers() & KEY_MODIFIERS_MASK) )
{
Window activeWindow = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
if( activeWindow instanceof RootPaneContainer ) {
JRootPane rootPane = ((RootPaneContainer)activeWindow).getRootPane();
FlatInspector inspector = (FlatInspector) rootPane.getClientProperty( FlatInspector.class );
if( inspector == null ) {
inspector = new FlatInspector( rootPane );
rootPane.putClientProperty( FlatInspector.class, inspector );
inspector.setEnabled( true );
} else {
inspector.uninstall();
rootPane.putClientProperty( FlatInspector.class, null );
}
}
}
}, AWTEvent.KEY_EVENT_MASK );
}
public FlatInspector( JRootPane rootPane ) {
this.rootPane = rootPane;
rootPane.getGlassPane().addMouseMotionListener( new MouseMotionAdapter() {
mouseMotionListener = new MouseMotionAdapter() {
@Override
public void mouseMoved( MouseEvent e ) {
lastX = e.getX();
@@ -74,7 +114,15 @@ public class FlatInspector
inspectParent = e.isShiftDown();
inspect( lastX, lastY );
}
} );
};
rootPane.getGlassPane().addMouseMotionListener( mouseMotionListener );
}
private void uninstall() {
setEnabled( false );
rootPane.getGlassPane().setVisible( false );
rootPane.getGlassPane().removeMouseMotionListener( mouseMotionListener );
}
public void setEnabled( boolean enabled ) {