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more fixes for AWT components on macOS (issue #583)

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- ScrollBar: disable hover because scroll bar does not receive mouse exited event
This commit is contained in:
Karl Tauber
2022-09-10 18:56:33 +02:00
parent 16c6ffb032
commit eb9fa585f7
1 changed files with 24 additions and 10 deletions
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34
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatScrollBarUI.java
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@@ -120,6 +120,7 @@ public class FlatScrollBarUI
protected boolean hoverThumb;
private Map<String, Object> oldStyleValues;
private boolean isAWTPeer;
public static ComponentUI createUI( JComponent c ) {
return new FlatScrollBarUI();
@@ -235,17 +236,30 @@ public class FlatScrollBarUI
break;
case "ancestor":
// check whether scroll bar is used as AWT peer on macOS and
// dark theme is active --> reinstall using light theme
if( SystemInfo.isMacOS && FlatLaf.isLafDark() ) {
// check whether scroll bar is used as AWT peer on macOS
if( SystemInfo.isMacOS ) {
Container p = scrollbar.getParent();
for( int i = 0; i < 2 && p != null; i++, p = p.getParent() ) {
if( FlatUIUtils.isAWTPeer( p ) ) {
FlatUIUtils.runWithLightAWTPeerUIDefaults( () -> {
JScrollBar scrollbar = this.scrollbar;
uninstallUI( scrollbar );
installUI( scrollbar );
} );
// Used to disable hover, which does not work correctly
// because scroll bars do not receive mouse exited event.
// The scroll pane, including its scroll bars, is not part
// of the component hierarchy and does not receive mouse events
// directly. Instead LWComponentPeer receives mouse events
// and delegates them to peers, but entered/exited events
// are sent only for the whole scroll pane.
// Exited event is only sent when mouse leaves scroll pane.
// If mouse enters/exits scroll bar, no entered/exited events are sent.
isAWTPeer = true;
// if dark theme is active, reinstall using light theme
if( FlatLaf.isLafDark() ) {
FlatUIUtils.runWithLightAWTPeerUIDefaults( () -> {
JScrollBar scrollbar = this.scrollbar;
uninstallUI( scrollbar );
installUI( scrollbar );
} );
}
break;
}
}
@@ -384,7 +398,7 @@ public class FlatScrollBarUI
Color trackColor = FlatUIUtils.deriveColor( this.trackColor, c.getBackground() );
return (pressed && pressedTrackColor != null)
? FlatUIUtils.deriveColor( pressedTrackColor, trackColor )
: ((hover && hoverTrackColor != null)
: ((hover && hoverTrackColor != null && !isAWTPeer)
? FlatUIUtils.deriveColor( hoverTrackColor, trackColor )
: trackColor);
}
@@ -394,7 +408,7 @@ public class FlatScrollBarUI
Color thumbColor = FlatUIUtils.deriveColor( this.thumbColor, trackColor );
return (pressed && pressedThumbColor != null)
? FlatUIUtils.deriveColor( pressedThumbColor, thumbColor )
: ((hover && hoverThumbColor != null)
: ((hover && hoverThumbColor != null && !isAWTPeer)
? FlatUIUtils.deriveColor( hoverThumbColor, thumbColor )
: thumbColor);
}