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ToolTip: fixed wrong tooltip location if component overrides JComponent.getToolTipLocation() and wants place tooltip under mouse location (issue #468)

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This commit is contained in:
Karl Tauber
2022-01-24 23:24:39 +01:00
parent 936de60700
commit 751c0e16e9
2 changed files with 38 additions and 2 deletions
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6
CHANGELOG.md
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@@ -3,7 +3,11 @@ FlatLaf Change Log
## 2.0.1-SNAPSHOT
- Fixed memory leak in Panel, Separator and ToolBarSeparator. (issue #471)
- Fixed memory leak in Panel, Separator and ToolBarSeparator. (issue #471;
regression in FlatLaf 2.0)
- ToolTip: Fixed wrong tooltip location if component overrides
`JComponent.getToolTipLocation()` and wants place tooltip under mouse
location. (issue #468)
## 2.0

34
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
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@@ -16,10 +16,12 @@
package com.formdev.flatlaf.ui;
import java.awt.AWTEvent;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
@@ -33,6 +35,7 @@ import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.MouseEvent;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.swing.JComponent;
@@ -219,7 +222,7 @@ public class FlatPopupFactory
* and corrects the y-location so that the tooltip is placed above the mouse location.
*/
private Point fixToolTipLocation( Component owner, Component contents, int x, int y ) {
if( !(contents instanceof JToolTip) || !wasInvokedFromToolTipManager() )
if( !(contents instanceof JToolTip) || !wasInvokedFromToolTipManager() || hasTipLocation( owner ) )
return null;
PointerInfo pointerInfo = MouseInfo.getPointerInfo();
@@ -264,6 +267,35 @@ public class FlatPopupFactory
return StackUtils.wasInvokedFrom( ToolTipManager.class.getName(), "showTipWindow", 8 );
}
/**
* Checks whether the owner component returns a tooltip location in
* JComponent.getToolTipLocation(MouseEvent).
*/
private boolean hasTipLocation( Component owner ) {
if( !(owner instanceof JComponent) )
return false;
AWTEvent e = EventQueue.getCurrentEvent();
MouseEvent me;
if( e instanceof MouseEvent )
me = (MouseEvent) e;
else {
// no mouse event available because a timer is used to show the tooltip
// --> create mouse event from current mouse location
PointerInfo pointerInfo = MouseInfo.getPointerInfo();
if( pointerInfo == null )
return false;
Point location = new Point( pointerInfo.getLocation());
SwingUtilities.convertPointFromScreen( location, owner );
me = new MouseEvent( owner, MouseEvent.MOUSE_MOVED, System.currentTimeMillis(),
0, location.x, location.y, 0, false );
}
return me.getSource() == owner &&
((JComponent)owner).getToolTipLocation( me ) != null;
}
//---- class NonFlashingPopup ---------------------------------------------
private class NonFlashingPopup