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Linux with FlatLaf window decorations:
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- moved window resizer components from layered pane to rootpane so that border is included in area where user can resize window
- scale border thickness
This commit is contained in:
Karl Tauber
2025-01-26 17:48:19 +01:00
parent 3a8a55a545
commit c32c00a5eb
2 changed files with 19 additions and 23 deletions
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7
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
View File

@@ -684,7 +684,7 @@ public class FlatRootPaneUI
* Window border used for non-native window decorations.
*/
public static class FlatWindowBorder
extends BorderUIResource.EmptyBorderUIResource
extends FlatEmptyBorder
{
protected final Color activeBorderColor = UIManager.getColor( "RootPane.activeBorderColor" );
protected final Color inactiveBorderColor = UIManager.getColor( "RootPane.inactiveBorderColor" );
@@ -717,7 +717,10 @@ public class FlatRootPaneUI
}
private void paintImpl( Graphics2D g, int x, int y, int width, int height, double scaleFactor ) {
g.drawRect( x, y, width - 1, height - 1 );
Object[] oldRenderingHints = FlatUIUtils.setRenderingHints( g );
float lineWidth = (float) (UIScale.scale( 1f ) * scaleFactor);
g.fill( FlatUIUtils.createRectangle( x, y, width, height, lineWidth ) );
FlatUIUtils.resetRenderingHints( g, oldRenderingHints );
}
protected boolean isWindowMaximized( Component c ) {

35
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatWindowResizer.java
View File

@@ -41,7 +41,6 @@ import java.util.function.Supplier;
import javax.swing.DesktopManager;
import javax.swing.JComponent;
import javax.swing.JInternalFrame;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.SwingUtilities;
@@ -60,8 +59,6 @@ import com.formdev.flatlaf.util.UIScale;
public abstract class FlatWindowResizer
implements PropertyChangeListener, ComponentListener
{
protected final static Integer WINDOW_RESIZER_LAYER = JLayeredPane.DRAG_LAYER + 1;
protected final JComponent resizeComp;
protected final int borderDragThickness = FlatUIUtils.getUIInt( "RootPane.borderDragThickness", 5 );
@@ -82,12 +79,12 @@ public abstract class FlatWindowResizer
leftDragComp = createDragBorderComponent( NW_RESIZE_CURSOR, W_RESIZE_CURSOR, SW_RESIZE_CURSOR );
rightDragComp = createDragBorderComponent( NE_RESIZE_CURSOR, E_RESIZE_CURSOR, SE_RESIZE_CURSOR );
Container cont = (resizeComp instanceof JRootPane) ? ((JRootPane)resizeComp).getLayeredPane() : resizeComp;
Object cons = (cont instanceof JLayeredPane) ? WINDOW_RESIZER_LAYER : null;
cont.add( topDragComp, cons, 0 );
cont.add( bottomDragComp, cons, 1 );
cont.add( leftDragComp, cons, 2 );
cont.add( rightDragComp, cons, 3 );
// for rootpanes, add after glasspane
int insertIndex = (resizeComp instanceof JRootPane) ? 1 : 0;
resizeComp.add( topDragComp, insertIndex++ );
resizeComp.add( bottomDragComp, insertIndex++ );
resizeComp.add( leftDragComp, insertIndex++ );
resizeComp.add( rightDragComp, insertIndex++ );
resizeComp.addComponentListener( this );
resizeComp.addPropertyChangeListener( "ancestor", this );
@@ -106,11 +103,10 @@ public abstract class FlatWindowResizer
resizeComp.removeComponentListener( this );
resizeComp.removePropertyChangeListener( "ancestor", this );
Container cont = topDragComp.getParent();
cont.remove( topDragComp );
cont.remove( bottomDragComp );
cont.remove( leftDragComp );
cont.remove( rightDragComp );
resizeComp.remove( topDragComp );
resizeComp.remove( bottomDragComp );
resizeComp.remove( leftDragComp );
resizeComp.remove( rightDragComp );
}
public void doLayout() {
@@ -119,9 +115,8 @@ public abstract class FlatWindowResizer
int x = 0;
int y = 0;
Container cont = topDragComp.getParent();
int width = cont.getWidth();
int height = cont.getHeight();
int width = resizeComp.getWidth();
int height = resizeComp.getHeight();
if( width <= 0 || height <= 0 )
return;
@@ -252,8 +247,7 @@ public abstract class FlatWindowResizer
centerComp = new JPanel();
centerComp.setOpaque( false );
centerComp.setVisible( false );
Container cont = rootPane.getLayeredPane();
cont.add( centerComp, WINDOW_RESIZER_LAYER, 4 );
rootPane.add( centerComp, 5 );
// On Linux, limit window resizing to screen bounds because otherwise
// there would be a strange effect when the mouse is moved over a sidebar
@@ -263,8 +257,7 @@ public abstract class FlatWindowResizer
@Override
public void uninstall() {
Container cont = topDragComp.getParent();
cont.remove( centerComp );
resizeComp.remove( centerComp );
super.uninstall();
}