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Button: fixed icon layout and preferred width of default buttons that use bold font (issue #506)

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Karl Tauber
2022-04-06 23:36:58 +02:00
parent 0dba9265be
commit ef2eedfc7c
2 changed files with 40 additions and 0 deletions
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2
CHANGELOG.md
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@@ -7,6 +7,8 @@ FlatLaf Change Log
- Native window decorations (Windows 10/11 only): Fixed wrong window title
character encoding used in Windows taskbar. (issue #502)
- Button: Fixed icon layout and preferred width of default buttons that use bold
font. (issue #506)
- ToolBar: Fixed endless loop in focus navigation that may occur under special
circumstances. (issue #505)

38
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatButtonUI.java
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@@ -42,6 +42,7 @@ import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.JToolBar;
import javax.swing.LookAndFeel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.plaf.ButtonUI;
@@ -494,6 +495,23 @@ public class FlatButtonUI
super.paint( FlatLabelUI.createGraphicsHTMLTextYCorrection( g, c ), c );
}
@Override
protected void paintIcon( Graphics g, JComponent c, Rectangle iconRect ) {
// correct icon location when using bold font for default button
int xOffset = defaultBoldPlainWidthDiff( c ) / 2;
if( xOffset > 0 ) {
boolean ltr = c.getComponentOrientation().isLeftToRight();
switch( ((AbstractButton)c).getHorizontalTextPosition() ) {
case SwingConstants.RIGHT: iconRect.x -= xOffset; break;
case SwingConstants.LEFT: iconRect.x += xOffset; break;
case SwingConstants.TRAILING: iconRect.x -= ltr ? xOffset : -xOffset; break;
case SwingConstants.LEADING: iconRect.x += ltr ? xOffset : -xOffset; break;
}
}
super.paintIcon( g, c, iconRect );
}
@Override
protected void paintText( Graphics g, AbstractButton b, Rectangle textRect, String text ) {
if( isHelpButton( b ) )
@@ -624,6 +642,9 @@ public class FlatButtonUI
if( prefSize == null )
return null;
// increase width when using bold font for default button
prefSize.width += defaultBoldPlainWidthDiff( c );
// make square or apply minimum width/height
boolean isIconOnlyOrSingleCharacter = isIconOnlyOrSingleCharacterButton( c );
if( clientPropertyBoolean( c, SQUARE_SIZE, squareSize ) ) {
@@ -644,6 +665,23 @@ public class FlatButtonUI
return prefSize;
}
private int defaultBoldPlainWidthDiff( JComponent c ) {
if( defaultBoldText && isDefaultButton( c ) && c.getFont() instanceof UIResource ) {
String text = ((AbstractButton)c).getText();
if( text == null || text.isEmpty() )
return 0;
Font font = c.getFont();
Font boldFont = font.deriveFont( Font.BOLD );
int boldWidth = c.getFontMetrics( boldFont ).stringWidth( text );
int plainWidth = c.getFontMetrics( font ).stringWidth( text );
if( boldWidth > plainWidth )
return boldWidth - plainWidth;
}
return 0;
}
private boolean hasDefaultMargins( JComponent c ) {
Insets margin = ((AbstractButton)c).getMargin();
return margin instanceof UIResource && Objects.equals( margin, defaultMargin );