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Popup: setup rounded popup border after window was created (no longer create window ourself using addNotify()) to (hopefully) fix repaint issues on some Windows 11 systems after first showing a popup (issue #887, PR #643)
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This commit is contained in:
Karl Tauber
2024-10-12 23:25:59 +02:00
parent dcdc80ade3
commit 656d25b75e
1 changed files with 27 additions and 6 deletions
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33
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
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@@ -36,6 +36,8 @@ import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;
import java.awt.event.MouseEvent;
import java.awt.event.WindowFocusListener;
import java.lang.invoke.MethodHandle;
@@ -43,6 +45,7 @@ import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicReference;
import javax.swing.JComponent;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
@@ -364,15 +367,11 @@ public class FlatPopupFactory
}
private static void setupRoundedBorder( Window popupWindow, Component owner, Component contents ) {
// make sure that the native window is created
if( !popupWindow.isDisplayable() )
popupWindow.addNotify();
int borderCornerRadius = getBorderCornerRadius( owner, contents );
float borderWidth = getRoundedBorderWidth( owner, contents );
// get Swing border color
Color borderColor = null; // use system default color
Color borderColor;
if( contents instanceof JComponent ) {
Border border = ((JComponent)contents).getBorder();
border = FlatUIUtils.unwrapNonUIResourceBorder( border );
@@ -384,11 +383,33 @@ public class FlatPopupFactory
borderColor = ((LineBorder)border).getLineColor();
else if( border instanceof EmptyBorder )
borderColor = FlatNativeWindowsLibrary.COLOR_NONE; // do not paint border
else
borderColor = null; // use system default color
// avoid that FlatLineBorder paints the Swing border
((JComponent)contents).putClientProperty( KEY_POPUP_USES_NATIVE_BORDER, true );
}
} else
borderColor = null; // use system default color
if( popupWindow.isDisplayable() ) {
// native window already created
setupRoundedBorderImpl( popupWindow, borderCornerRadius, borderWidth, borderColor );
} else {
// native window not yet created --> add listener to set native border after window creation
AtomicReference<HierarchyListener> l = new AtomicReference<>();
l.set( e -> {
if( e.getID() == HierarchyEvent.HIERARCHY_CHANGED &&
(e.getChangeFlags() & HierarchyEvent.DISPLAYABILITY_CHANGED) != 0 )
{
setupRoundedBorderImpl( popupWindow, borderCornerRadius, borderWidth, borderColor );
popupWindow.removeHierarchyListener( l.get() );
}
} );
popupWindow.addHierarchyListener( l.get() );
}
}
private static void setupRoundedBorderImpl( Window popupWindow, int borderCornerRadius, float borderWidth, Color borderColor ) {
if( SystemInfo.isWindows ) {
// get native window handle
long hwnd = FlatNativeWindowsLibrary.getHWND( popupWindow );