Mirrors/FlatLaf
1
0
Fork 0
mirror of https://github.com/JFormDesigner/FlatLaf.git synced 2025-12-07 22:40:53 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Popop: fixed drop shadow if popup overlaps a heavyweight component (Windows 10 only; issue #626)

Browse Source
This commit is contained in:
Karl Tauber
2023-09-02 12:48:46 +02:00
parent cdee0594f8
commit a2859cedb5
2 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
View File

@@ -103,6 +103,10 @@ public class FlatPopupFactory
return popup;
}
// check whether popup overlaps a heavy weight component
if( !forceHeavyWeight && overlapsHeavyWeightComponent( owner, contents, x, y ) )
forceHeavyWeight = true;
// create drop shadow popup
return new DropShadowPopup( getPopupForScreenOfOwner( owner, contents, x, y, forceHeavyWeight ), owner, contents );
}
@@ -389,6 +393,33 @@ public class FlatPopupFactory
FlatNativeWindowsLibrary.setWindowCornerPreference( hwnd, FlatNativeWindowsLibrary.DWMWCP_DONOTROUND );
}
private static boolean overlapsHeavyWeightComponent( Component owner, Component contents, int x, int y ) {
Window window = SwingUtilities.getWindowAncestor( owner );
if( window == null )
return false;
Rectangle r = new Rectangle( new Point( x, y ), contents.getPreferredSize() );
return overlapsHeavyWeightComponent( window, r );
}
private static boolean overlapsHeavyWeightComponent( Component parent, Rectangle r ) {
if( !parent.isVisible() || !r.intersects( parent.getBounds() ) )
return false;
if( !parent.isLightweight() && !(parent instanceof Window) )
return true;
if( parent instanceof Container ) {
Rectangle r2 = new Rectangle( r.x - parent.getX(), r.y - parent.getY(), r.width, r.height );
for( Component c : ((Container)parent).getComponents() ) {
if( overlapsHeavyWeightComponent( c, r2 ) )
return true;
}
}
return false;
}
//---- class NonFlashingPopup ---------------------------------------------
private static class NonFlashingPopup