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FlatTestFrame: show scale factor in window title

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This commit is contained in:
Karl Tauber
2019-10-03 11:27:11 +02:00
parent 3a69b41646
commit 86577c5fef
1 changed files with 33 additions and 4 deletions
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37
flatlaf-core/src/test/java/com/formdev/flatlaf/FlatTestFrame.java
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@@ -18,12 +18,15 @@ package com.formdev.flatlaf;
import java.awt.*; import java.awt.*;
import java.awt.event.KeyEvent; import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.prefs.Preferences; import java.util.prefs.Preferences;
import javax.swing.*; import javax.swing.*;
import javax.swing.plaf.ColorUIResource; import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.metal.MetalLookAndFeel; import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.plaf.nimbus.NimbusLookAndFeel; import javax.swing.plaf.nimbus.NimbusLookAndFeel;
import com.formdev.flatlaf.util.SystemInfo; import com.formdev.flatlaf.util.SystemInfo;
import com.formdev.flatlaf.util.UIScale;
import net.miginfocom.swing.*; import net.miginfocom.swing.*;
/** /**
@@ -35,6 +38,7 @@ public class FlatTestFrame
private static final String PREFS_ROOT_PATH = "/flatlaf-test"; private static final String PREFS_ROOT_PATH = "/flatlaf-test";
private static final String KEY_LAF = "laf"; private static final String KEY_LAF = "laf";
private final String title;
private JComponent content; private JComponent content;
private FlatInspector inspector; private FlatInspector inspector;
@@ -60,12 +64,12 @@ public class FlatTestFrame
} }
// create frame // create frame
FlatTestFrame frame = new FlatTestFrame(); return new FlatTestFrame( title );
frame.setTitle( title + " (Java " + System.getProperty( "java.version" ) + ")" );
return frame;
} }
private FlatTestFrame() { private FlatTestFrame( String title ) {
this.title = title;
initComponents(); initComponents();
// initialize look and feels combo box // initialize look and feels combo box
@@ -130,6 +134,28 @@ public class FlatTestFrame
// close frame // close frame
closeButton.addActionListener(e -> dispose()); closeButton.addActionListener(e -> dispose());
// update title
addWindowListener( new WindowAdapter() {
@Override
public void windowOpened( WindowEvent e ) {
updateTitle();
}
@Override
public void windowActivated( WindowEvent e ) {
updateTitle();
}
} );
}
private void updateTitle() {
double systemScaleFactor = UIScale.getSystemScaleFactor( getGraphicsConfiguration() );
float userScaleFactor = UIScale.getUserScaleFactor();
setTitle( title + " (Java " + System.getProperty( "java.version" )
+ (systemScaleFactor != 1 ? ("; system scale factor " + systemScaleFactor) : "")
+ (userScaleFactor != 1 ? ("; user scale factor " + userScaleFactor) : "")
+ (systemScaleFactor == 1 && userScaleFactor == 1 ? "; no scaling" : "")
+ ")" );
} }
private void registerSwitchToLookAndFeel( int keyCode, String lafClassName ) { private void registerSwitchToLookAndFeel( int keyCode, String lafClassName ) {
@@ -176,6 +202,9 @@ public class FlatTestFrame
// change look and feel // change look and feel
UIManager.setLookAndFeel( newLaf.className ); UIManager.setLookAndFeel( newLaf.className );
// update title because user scale factor may change
updateTitle();
// update all components // update all components
SwingUtilities.updateComponentTreeUI( this ); SwingUtilities.updateComponentTreeUI( this );