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ToolTip: do not show empty tooltip component if tooltip text is an empty string (issue #134)

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Karl Tauber
2020-07-28 11:10:34 +02:00
parent e3cda9905a
commit f2ab7fafcf
2 changed files with 7 additions and 0 deletions
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2
CHANGELOG.md
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@@ -12,6 +12,8 @@ FlatLaf Change Log
"JScrollPane.smoothScrolling" is set to a `Boolean` on `JScrollPane`. "JScrollPane.smoothScrolling" is set to a `Boolean` on `JScrollPane`.
- ScrollBar: Increased minimum thumb size on macOS and Linux from 8 to 18 - ScrollBar: Increased minimum thumb size on macOS and Linux from 8 to 18
pixels. On Windows, it is now 10 pixels. (issue #131) pixels. On Windows, it is now 10 pixels. (issue #131)
- ToolTip: Do not show empty tooltip component if tooltip text is an empty
string. (issue #134)
## 0.38 ## 0.38

5
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolTipUI.java
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@@ -94,6 +94,11 @@ public class FlatToolTipUI
@Override @Override
public Dimension getPreferredSize( JComponent c ) { public Dimension getPreferredSize( JComponent c ) {
// do not show tool tip if text is empty
String text = ((JToolTip)c).getTipText();
if( text == null || text.isEmpty() )
return new Dimension();
if( isMultiLine( c ) ) { if( isMultiLine( c ) ) {
FontMetrics fm = c.getFontMetrics( c.getFont() ); FontMetrics fm = c.getFontMetrics( c.getFont() );
Insets insets = c.getInsets(); Insets insets = c.getInsets();