angel/FlatLaf
1
0
Fork 0
mirror of https://github.com/JFormDesigner/FlatLaf.git synced 2026-02-11 06:27:13 -06:00
Code Issues Packages Projects Releases Wiki Activity

FlatLaf window decorations on Windows: fixed possible application freeze when using custom component that overrides Component.contains(int x, int y) and invokes SwingUtilities.convertPoint() (or similar) from the overridden method (issue #878)

Browse Source
This commit is contained in:
Karl Tauber
2024-09-04 00:48:42 +02:00
parent 438ec6ac5c
commit a6ecb0ef85
2 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
View File

@@ -1079,7 +1079,7 @@ public class FlatTitlePane
}
private boolean isTitleBarCaptionAt( Component c, int x, int y ) {
if( !c.isDisplayable() || !c.isVisible() || !c.contains( x, y ) || c == mouseLayer )
if( !c.isDisplayable() || !c.isVisible() || !contains( c, x, y ) || c == mouseLayer )
return true; // continue checking with next component
if( c.isEnabled() &&
@@ -1131,6 +1131,16 @@ public class FlatTitlePane
return true;
}
/**
* Same as {@link Component#contains(int, int)}, but not using that method
* because it may be overridden by custom components and invoke code that
* tries to request AWT tree lock on 'AWT-Windows' thread.
* This could freeze the application if AWT tree is already locked on 'AWT-EventQueue' thread.
*/
private boolean contains( Component c, int x, int y ) {
return x >= 0 && y >= 0 && x < c.getWidth() && y < c.getHeight();
}
private int lastCaptionHitTestX;
private int lastCaptionHitTestY;
private long lastCaptionHitTestTime;