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Linux: changing system font did not update FlatLaf font

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This commit is contained in:
Karl Tauber
2020-05-22 18:22:46 +02:00
parent b36ac1b824
commit c7a8d1e1b7
1 changed files with 12 additions and 2 deletions
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14
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
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@@ -74,6 +74,7 @@ public abstract class FlatLaf
private static final String DESKTOPFONTHINTS = "awt.font.desktophints";
private String desktopPropertyName;
private String desktopPropertyName2;
private PropertyChangeListener desktopPropertyListener;
private static boolean aquaLoaded;
@@ -160,15 +161,19 @@ public abstract class FlatLaf
// Settings > Ease of Access > Display > Make text bigger (100% - 225%)
desktopPropertyName = "win.messagebox.font";
} else if( SystemInfo.IS_LINUX ) {
// Linux/Gnome allows changing font in "Tweaks" app
desktopPropertyName = "gnome.Gtk/FontName";
// Linux/Gnome allows extra scaling and larger text:
// Settings > Devices > Displays > Scale (100% or 200%)
// Settings > Universal access > Large Text (off or on, 125%)
desktopPropertyName = "gnome.Xft/DPI";
// "Tweaks" app > Fonts > Scaling Factor (0,5 - 3)
desktopPropertyName2 = "gnome.Xft/DPI";
}
if( desktopPropertyName != null ) {
desktopPropertyListener = e -> {
String propertyName = e.getPropertyName();
if( desktopPropertyName.equals( propertyName ) )
if( desktopPropertyName.equals( propertyName ) || propertyName.equals( desktopPropertyName2 ) )
reSetLookAndFeel();
else if( DESKTOPFONTHINTS.equals( propertyName ) ) {
if( UIManager.getLookAndFeel() instanceof FlatLaf ) {
@@ -179,6 +184,8 @@ public abstract class FlatLaf
};
Toolkit toolkit = Toolkit.getDefaultToolkit();
toolkit.addPropertyChangeListener( desktopPropertyName, desktopPropertyListener );
if( desktopPropertyName2 != null )
toolkit.addPropertyChangeListener( desktopPropertyName2, desktopPropertyListener );
toolkit.addPropertyChangeListener( DESKTOPFONTHINTS, desktopPropertyListener );
}
@@ -201,8 +208,11 @@ public abstract class FlatLaf
if( desktopPropertyListener != null ) {
Toolkit toolkit = Toolkit.getDefaultToolkit();
toolkit.removePropertyChangeListener( desktopPropertyName, desktopPropertyListener );
if( desktopPropertyName2 != null )
toolkit.removePropertyChangeListener( desktopPropertyName2, desktopPropertyListener );
toolkit.removePropertyChangeListener( DESKTOPFONTHINTS, desktopPropertyListener );
desktopPropertyName = null;
desktopPropertyName2 = null;
desktopPropertyListener = null;
}