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show mnemonics if the active window does not have a focused component; ignore invisible components (issue #43)

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This commit is contained in:
Karl Tauber
2020-01-17 11:03:48 +01:00
parent 499c4dadd5
commit e675d1b7e2
1 changed files with 12 additions and 8 deletions
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20
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
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@@ -36,6 +36,7 @@ import java.util.logging.Logger;
import javax.swing.AbstractButton;
import javax.swing.InputMap;
import javax.swing.JLabel;
import javax.swing.JRootPane;
import javax.swing.JTabbedPane;
import javax.swing.KeyStroke;
import javax.swing.LookAndFeel;
@@ -430,15 +431,15 @@ public abstract class FlatLaf
if( SystemInfo.IS_MAC ) {
// Ctrl+Alt keys must be pressed on Mac
if( keyCode == KeyEvent.VK_CONTROL || keyCode == KeyEvent.VK_ALT )
showMnemonics( e.getID() == KeyEvent.KEY_PRESSED && e.isControlDown() && e.isAltDown() );
showMnemonics( e.getID() == KeyEvent.KEY_PRESSED && e.isControlDown() && e.isAltDown(), e.getComponent() );
} else {
// Alt key must be pressed on Windows and Linux
if( keyCode == KeyEvent.VK_ALT )
showMnemonics( e.getID() == KeyEvent.KEY_PRESSED );
showMnemonics( e.getID() == KeyEvent.KEY_PRESSED, e.getComponent() );
}
}
private static void showMnemonics( boolean show ) {
private static void showMnemonics( boolean show, Component c ) {
if( show == showMnemonics )
return;
@@ -449,13 +450,13 @@ public abstract class FlatLaf
return;
if( show ) {
// get focus owner
Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
if( focusOwner == null )
// get root pane
JRootPane rootPane = SwingUtilities.getRootPane( c );
if( rootPane == null )
return;
// get focused window
Window window = SwingUtilities.windowForComponent( focusOwner );
// get window
Window window = SwingUtilities.getWindowAncestor( rootPane );
if( window == null )
return;
@@ -474,6 +475,9 @@ public abstract class FlatLaf
private static void repaintMnemonics( Container container ) {
for( Component c : container.getComponents() ) {
if( !c.isVisible() )
continue;
if( hasMnemonic( c ) )
c.repaint();