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Window decorations: support fullWindowContent mode on Windows and Linux

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This commit is contained in:
Karl Tauber
2024-02-02 10:06:25 +01:00
parent 445466acd0
commit 1d935d6659
19 changed files with 570 additions and 214 deletions
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30
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
View File

@@ -266,7 +266,9 @@ public interface FlatClientProperties
* <strong>Value type</strong> {@link java.lang.Boolean}
*
* @since 2.5
* @deprecated No longer used since FlatLaf 3.4. Retained for API compatibility.
*/
@Deprecated
String COMPONENT_TITLE_BAR_CAPTION = "JComponent.titleBarCaption";
@@ -274,7 +276,7 @@ public interface FlatClientProperties
/**
* Marks the panel as placeholder for the iconfify/maximize/close buttons
* in fullWindowContent mode.
* in fullWindowContent mode. See {@link #FULL_WINDOW_CONTENT}.
* <p>
* If fullWindowContent mode is enabled, the preferred size of the panel is equal
* to the size of the iconfify/maximize/close buttons. Otherwise is is {@code 0,0}.
@@ -462,6 +464,32 @@ public interface FlatClientProperties
*/
String MENU_BAR_EMBEDDED = "JRootPane.menuBarEmbedded";
/**
* Specifies whether the content pane (and the glass pane) should be extended
* into the window title bar area
* (requires enabled window decorations). Default is {@code false}.
* <p>
* On macOS, use client property {@code apple.awt.fullWindowContent}
* (see <a href="https://www.formdev.com/flatlaf/macos/#full_window_content">macOS Full window content</a>).
* <p>
* Setting this enables/disables full window content
* for the {@code JFrame} or {@code JDialog} that contains the root pane.
* <p>
* If {@code true}, the content pane (and the glass pane) is extended into
* the title bar area. The window icon and title are hidden.
* Only the iconfify/maximize/close buttons stay visible in the upper right corner
* (and overlap the content pane).
* <p>
* The user can left-click-and-drag on the title bar area to move the window,
* except when clicking on a component that processes mouse events (e.g. buttons or menus).
* <p>
* <strong>Component</strong> {@link javax.swing.JRootPane}<br>
* <strong>Value type</strong> {@link java.lang.Boolean}
*
* @since 3.4
*/
String FULL_WINDOW_CONTENT = "FlatLaf.fullWindowContent";
/**
* Contains the current bounds of the iconfify/maximize/close buttons
* (in root pane coordinates) if fullWindowContent mode is enabled.

9
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatNativeWindowBorder.java
View File

@@ -21,11 +21,12 @@ import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.beans.PropertyChangeListener;
import java.util.List;
import java.util.function.Predicate;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JRootPane;
@@ -218,13 +219,13 @@ public class FlatNativeWindowBorder
}
static void setTitleBarHeightAndHitTestSpots( Window window, int titleBarHeight,
List<Rectangle> hitTestSpots, Rectangle appIconBounds, Rectangle minimizeButtonBounds,
Predicate<Point> hitTestCallback, Rectangle appIconBounds, Rectangle minimizeButtonBounds,
Rectangle maximizeButtonBounds, Rectangle closeButtonBounds )
{
if( !isSupported() )
return;
nativeProvider.updateTitleBarInfo( window, titleBarHeight, hitTestSpots,
nativeProvider.updateTitleBarInfo( window, titleBarHeight, hitTestCallback,
appIconBounds, minimizeButtonBounds, maximizeButtonBounds, closeButtonBounds );
}
@@ -270,7 +271,7 @@ public class FlatNativeWindowBorder
{
boolean hasCustomDecoration( Window window );
void setHasCustomDecoration( Window window, boolean hasCustomDecoration );
void updateTitleBarInfo( Window window, int titleBarHeight, List<Rectangle> hitTestSpots,
void updateTitleBarInfo( Window window, int titleBarHeight, Predicate<Point> hitTestCallback,
Rectangle appIconBounds, Rectangle minimizeButtonBounds, Rectangle maximizeButtonBounds,
Rectangle closeButtonBounds );

94
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
View File

@@ -269,15 +269,28 @@ public class FlatRootPaneUI
// layer title pane under frame content layer to allow placing menu bar over title pane
protected final static Integer TITLE_PANE_LAYER = JLayeredPane.FRAME_CONTENT_LAYER - 1;
private final static Integer TITLE_PANE_MOUSE_LAYER = JLayeredPane.FRAME_CONTENT_LAYER - 2;
// for fullWindowContent mode, layer title pane over frame content layer to allow placing title bar buttons over content
/** @since 3.4 */
protected final static Integer TITLE_PANE_FULL_WINDOW_CONTENT_LAYER = JLayeredPane.FRAME_CONTENT_LAYER + 1;
private Integer getLayerForTitlePane() {
return isFullWindowContent( rootPane ) ? TITLE_PANE_FULL_WINDOW_CONTENT_LAYER : TITLE_PANE_LAYER;
}
protected void setTitlePane( FlatTitlePane newTitlePane ) {
JLayeredPane layeredPane = rootPane.getLayeredPane();
if( titlePane != null )
if( titlePane != null ) {
layeredPane.remove( titlePane );
layeredPane.remove( titlePane.mouseLayer );
}
if( newTitlePane != null )
layeredPane.add( newTitlePane, TITLE_PANE_LAYER );
if( newTitlePane != null ) {
layeredPane.add( newTitlePane, getLayerForTitlePane() );
layeredPane.add( newTitlePane.mouseLayer, TITLE_PANE_MOUSE_LAYER );
}
titlePane = newTitlePane;
}
@@ -430,6 +443,17 @@ public class FlatRootPaneUI
titlePane.titleBarColorsChanged();
break;
case FlatClientProperties.FULL_WINDOW_CONTENT:
if( titlePane != null ) {
rootPane.getLayeredPane().setLayer( titlePane, getLayerForTitlePane() );
titlePane.updateIcon();
titlePane.updateVisibility();
titlePane.updateFullWindowContentButtonsBoundsProperty();
}
FullWindowContentSupport.revalidatePlaceholders( rootPane );
rootPane.revalidate();
break;
case FlatClientProperties.FULL_WINDOW_CONTENT_BUTTONS_BOUNDS:
FullWindowContentSupport.revalidatePlaceholders( rootPane );
break;
@@ -471,11 +495,14 @@ public class FlatRootPaneUI
}
}
/** @since 3.4 */
protected static boolean isFullWindowContent( JRootPane rootPane ) {
return FlatClientProperties.clientPropertyBoolean( rootPane, FlatClientProperties.FULL_WINDOW_CONTENT, false );
}
protected static boolean isMenuBarEmbedded( JRootPane rootPane ) {
RootPaneUI ui = rootPane.getUI();
return ui instanceof FlatRootPaneUI &&
((FlatRootPaneUI)ui).titlePane != null &&
((FlatRootPaneUI)ui).titlePane.isMenuBarEmbedded();
FlatTitlePane titlePane = getTitlePane( rootPane );
return titlePane != null && titlePane.isMenuBarEmbedded();
}
/** @since 2.4 */
@@ -511,23 +538,21 @@ public class FlatRootPaneUI
private Dimension computeLayoutSize( Container parent, Function<Component, Dimension> getSizeFunc ) {
JRootPane rootPane = (JRootPane) parent;
Dimension titlePaneSize = (titlePane != null)
? getSizeFunc.apply( titlePane )
: new Dimension();
Dimension contentSize = (rootPane.getContentPane() != null)
? getSizeFunc.apply( rootPane.getContentPane() )
: rootPane.getSize();
: rootPane.getSize(); // same as in JRootPane.RootLayout.preferredLayoutSize()
int width = contentSize.width; // title pane width is not considered here
int height = titlePaneSize.height + contentSize.height;
int height = contentSize.height;
if( titlePane != null && !isFullWindowContent( rootPane ) )
height += getSizeFunc.apply( titlePane ).height;
if( titlePane == null || !titlePane.isMenuBarEmbedded() ) {
JMenuBar menuBar = rootPane.getJMenuBar();
Dimension menuBarSize = (menuBar != null && menuBar.isVisible())
? getSizeFunc.apply( menuBar )
: new Dimension();
width = Math.max( width, menuBarSize.width );
height += menuBarSize.height;
if( menuBar != null && menuBar.isVisible() ) {
Dimension menuBarSize = getSizeFunc.apply( menuBar );
width = Math.max( width, menuBarSize.width );
height += menuBarSize.height;
}
}
Insets insets = rootPane.getInsets();
@@ -552,12 +577,23 @@ public class FlatRootPaneUI
if( rootPane.getLayeredPane() != null )
rootPane.getLayeredPane().setBounds( x, y, width, height );
// title pane
// title pane (is a child of layered pane)
int nextY = 0;
if( titlePane != null ) {
int prefHeight = !isFullScreen ? titlePane.getPreferredSize().height : 0;
titlePane.setBounds( 0, 0, width, prefHeight );
nextY += prefHeight;
boolean isFullWindowContent = isFullWindowContent( rootPane );
if( isFullWindowContent && !UIManager.getBoolean( FlatTitlePane.KEY_DEBUG_SHOW_RECTANGLES ) ) {
// place title bar into top-right corner
int tw = Math.min( titlePane.getPreferredSize().width, width );
int tx = titlePane.getComponentOrientation().isLeftToRight() ? width - tw : 0;
titlePane.setBounds( tx, 0, tw, prefHeight );
} else
titlePane.setBounds( 0, 0, width, prefHeight );
titlePane.mouseLayer.setBounds( 0, 0, width, prefHeight );
if( !isFullWindowContent )
nextY += prefHeight;
}
// glass pane
@@ -568,7 +604,7 @@ public class FlatRootPaneUI
rootPane.getGlassPane().setBounds( x, y + offset, width, height - offset );
}
// menu bar
// menu bar (is a child of layered pane)
JMenuBar menuBar = rootPane.getJMenuBar();
if( menuBar != null && menuBar.isVisible() ) {
boolean embedded = !isFullScreen && titlePane != null && titlePane.isMenuBarEmbedded();
@@ -576,13 +612,23 @@ public class FlatRootPaneUI
titlePane.validate();
menuBar.setBounds( titlePane.getMenuBarBounds() );
} else {
int mx = 0;
int mw = width;
if( titlePane != null && isFullWindowContent( rootPane ) ) {
// make menu bar width smaller to avoid that it overlaps title bar buttons
int tw = Math.min( titlePane.getPreferredSize().width, width );
mw -= tw;
if( !titlePane.getComponentOrientation().isLeftToRight() )
mx = tw;
}
Dimension prefSize = menuBar.getPreferredSize();
menuBar.setBounds( 0, nextY, width, prefSize.height );
menuBar.setBounds( mx, nextY, mw, prefSize.height );
nextY += prefSize.height;
}
}
// content pane
// content pane (is a child of layered pane)
Container contentPane = rootPane.getContentPane();
if( contentPane != null )
contentPane.setBounds( 0, nextY, width, Math.max( height - nextY, 0 ) );

253
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
View File

@@ -36,6 +36,7 @@ import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.MouseEvent;
@@ -46,7 +47,6 @@ import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.accessibility.AccessibleContext;
@@ -57,7 +57,6 @@ import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
@@ -98,7 +97,6 @@ import com.formdev.flatlaf.util.UIScale;
* @uiDefault TitlePane.showIconBesideTitle boolean
* @uiDefault TitlePane.menuBarTitleGap int
* @uiDefault TitlePane.menuBarTitleMinimumGap int
* @uiDefault TitlePane.menuBarResizeHeight int
* @uiDefault TitlePane.closeIcon Icon
* @uiDefault TitlePane.iconifyIcon Icon
* @uiDefault TitlePane.maximizeIcon Icon
@@ -109,7 +107,7 @@ import com.formdev.flatlaf.util.UIScale;
public class FlatTitlePane
extends JComponent
{
private static final String KEY_DEBUG_SHOW_RECTANGLES = "FlatLaf.debug.titlebar.showRectangles";
static final String KEY_DEBUG_SHOW_RECTANGLES = "FlatLaf.debug.titlebar.showRectangles";
/** @since 2.5 */ protected final Font titleFont;
protected final Color activeBackground;
@@ -131,7 +129,6 @@ public class FlatTitlePane
/** @since 2.4 */ protected final boolean showIconBesideTitle;
protected final int menuBarTitleGap;
/** @since 2.4 */ protected final int menuBarTitleMinimumGap;
/** @since 2.4 */ protected final int menuBarResizeHeight;
protected final JRootPane rootPane;
protected final String windowStyle;
@@ -150,6 +147,23 @@ public class FlatTitlePane
private final Handler handler;
/**
* This panel handles mouse events if FlatLaf window decorations are used
* without native window border. E.g. on Linux.
* <p>
* This panel usually has same bounds as the title pane,
* except if fullWindowContent mode is enabled.
* <p>
* This panel is not a child of the title pane.
* Instead it is added by FlatRootPaneUI to the layered pane at a layer
* under the title pane and under the frame content.
* The separation is necessary for fullWindowContent mode, where the title pane
* is layered over the frame content (for title pane buttons), but the mousePanel
* needs to be layered under the frame content so that components on content pane
* can receive mouse events when located in title area.
*/
final JPanel mouseLayer;
public FlatTitlePane( JRootPane rootPane ) {
this.rootPane = rootPane;
@@ -178,7 +192,6 @@ public class FlatTitlePane
showIconBesideTitle = FlatUIUtils.getSubUIBoolean( "TitlePane.showIconBesideTitle", windowStyle, false );
menuBarTitleGap = FlatUIUtils.getSubUIInt( "TitlePane.menuBarTitleGap", windowStyle, 40 );
menuBarTitleMinimumGap = FlatUIUtils.getSubUIInt( "TitlePane.menuBarTitleMinimumGap", windowStyle, 12 );
menuBarResizeHeight = FlatUIUtils.getSubUIInt( "TitlePane.menuBarResizeHeight", windowStyle, 4 );
handler = createHandler();
@@ -187,11 +200,10 @@ public class FlatTitlePane
addSubComponents();
activeChanged( true );
addMouseListener( handler );
addMouseMotionListener( handler );
// necessary for closing window with double-click on icon
iconLabel.addMouseListener( handler );
mouseLayer = new JPanel();
mouseLayer.setOpaque( false );
mouseLayer.addMouseListener( handler );
mouseLayer.addMouseMotionListener( handler );
applyComponentOrientation( rootPane.getComponentOrientation() );
}
@@ -234,6 +246,11 @@ public class FlatTitlePane
setLayout( new BorderLayout() {
@Override
public void layoutContainer( Container target ) {
if( isFullWindowContent() ) {
super.layoutContainer( target );
return;
}
// compute available bounds
Insets insets = target.getInsets();
int x = insets.left;
@@ -247,7 +264,7 @@ public class FlatTitlePane
int titleWidth = w - leftWidth - buttonsWidth;
int minTitleWidth = UIScale.scale( titleMinimumWidth );
// increase minimum width if icon is show besides the title
// increase minimum width if icon is shown besides the title
Icon icon = titleLabel.getIcon();
if( icon != null ) {
Insets iconInsets = iconLabel.getInsets();
@@ -295,6 +312,9 @@ public class FlatTitlePane
horizontalGlue.getWidth(), titleLabel.getHeight() );
}
}
// clear hit-test cache
lastHitTestTime = 0;
}
} );
@@ -337,6 +357,10 @@ public class FlatTitlePane
buttonPanel.add( maximizeButton );
buttonPanel.add( restoreButton );
}
buttonPanel.addComponentListener( new ComponentAdapter() {
@Override public void componentResized( ComponentEvent e ) { updateFullWindowContentButtonsBoundsProperty(); }
@Override public void componentMoved( ComponentEvent e ) { updateFullWindowContentButtonsBoundsProperty(); }
} );
buttonPanel.add( closeButton );
}
@@ -417,7 +441,9 @@ public class FlatTitlePane
/** @since 3 */
protected void updateVisibility() {
titleLabel.setVisible( clientPropertyBoolean( rootPane, TITLE_BAR_SHOW_TITLE, true ) );
boolean isFullWindowContent = isFullWindowContent();
leftPanel.setVisible( !isFullWindowContent );
titleLabel.setVisible( clientPropertyBoolean( rootPane, TITLE_BAR_SHOW_TITLE, true ) && !isFullWindowContent );
closeButton.setVisible( clientPropertyBoolean( rootPane, TITLE_BAR_SHOW_CLOSE, true ) );
if( window instanceof Frame ) {
@@ -443,7 +469,7 @@ public class FlatTitlePane
// get window images
List<Image> images = null;
if( clientPropertyBoolean( rootPane, TITLE_BAR_SHOW_ICON, defaultShowIcon ) ) {
if( clientPropertyBoolean( rootPane, TITLE_BAR_SHOW_ICON, defaultShowIcon ) && !isFullWindowContent() ) {
images = window.getIconImages();
if( images.isEmpty() ) {
// search in owners
@@ -468,6 +494,13 @@ public class FlatTitlePane
updateNativeTitleBarHeightAndHitTestSpotsLater();
}
void updateFullWindowContentButtonsBoundsProperty() {
Rectangle bounds = isFullWindowContent()
? new Rectangle( SwingUtilities.convertPoint( buttonPanel, 0, 0, rootPane ), buttonPanel.getSize() )
: null;
rootPane.putClientProperty( FlatClientProperties.FULL_WINDOW_CONTENT_BUTTONS_BOUNDS, bounds );
}
@Override
public void addNotify() {
super.addNotify();
@@ -522,6 +555,11 @@ public class FlatTitlePane
window.removeComponentListener( handler );
}
/** @since 3.4 */
protected boolean isFullWindowContent() {
return FlatRootPaneUI.isFullWindowContent( rootPane );
}
/**
* Returns whether this title pane currently has a visible and embedded menubar.
*/
@@ -533,6 +571,9 @@ public class FlatTitlePane
* Returns whether the menubar should be embedded into the title pane.
*/
protected boolean isMenuBarEmbedded() {
if( isFullWindowContent() )
return false;
// not storing value of "TitlePane.menuBarEmbedded" in class to allow changing at runtime
return FlatUIUtils.getBoolean( rootPane,
FlatSystemProperties.MENUBAR_EMBEDDED,
@@ -620,21 +661,45 @@ public class FlatTitlePane
return;
if( debugTitleBarHeight > 0 ) {
// title bar height is measured from window top edge
int y = SwingUtilities.convertPoint( window, 0, debugTitleBarHeight, this ).y;
g.setColor( Color.green );
g.drawLine( 0, debugTitleBarHeight, getWidth(), debugTitleBarHeight );
g.drawLine( 0, y, getWidth(), y );
}
if( debugHitTestSpots != null ) {
for( Rectangle r : debugHitTestSpots )
paintRect( g, Color.red, r );
}
paintRect( g, Color.cyan, debugCloseButtonBounds );
paintRect( g, Color.blue, debugAppIconBounds );
paintRect( g, Color.blue, debugMinimizeButtonBounds );
paintRect( g, Color.magenta, debugMaximizeButtonBounds );
paintRect( g, Color.cyan, debugCloseButtonBounds );
g.setColor( Color.red );
debugPaintComponentWithMouseListener( g, Color.red, rootPane.getLayeredPane(), 0, 0 );
debugPaintRect( g, Color.blue, debugAppIconBounds );
debugPaintRect( g, Color.blue, debugMinimizeButtonBounds );
debugPaintRect( g, Color.magenta, debugMaximizeButtonBounds );
debugPaintRect( g, Color.cyan, debugCloseButtonBounds );
}
private void paintRect( Graphics g, Color color, Rectangle r ) {
private void debugPaintComponentWithMouseListener( Graphics g, Color color, Component c, int x, int y ) {
if( !c.isDisplayable() || !c.isVisible() || c == mouseLayer ||
c == iconifyButton || c == maximizeButton || c == restoreButton || c == closeButton )
return;
if( c.getMouseListeners().length > 0 ||
c.getMouseMotionListeners().length > 0 ||
c.getMouseWheelListeners().length > 0 )
{
g.drawRect( x, y, c.getWidth(), c.getHeight() );
return;
}
if( c instanceof Container ) {
Rectangle titlePaneBoundsOnWindow = SwingUtilities.convertRectangle( this, new Rectangle( getSize() ), window );
for( Component child : ((Container)c).getComponents() ) {
Rectangle compBoundsOnWindow = SwingUtilities.convertRectangle( c, new Rectangle( c.getSize() ), window );
if( compBoundsOnWindow.intersects( titlePaneBoundsOnWindow ) )
debugPaintComponentWithMouseListener( g, color, child, x + child.getX(), y + child.getY() );
}
}
}
private void debugPaintRect( Graphics g, Color color, Rectangle r ) {
if( r == null )
return;
@@ -645,6 +710,9 @@ public class FlatTitlePane
@Override
protected void paintComponent( Graphics g ) {
if( isFullWindowContent() )
return;
// not storing value of "TitlePane.unifiedBackground" in class to allow changing at runtime
g.setColor( (UIManager.getBoolean( "TitlePane.unifiedBackground" ) &&
clientPropertyColor( rootPane, TITLE_BAR_BACKGROUND, null ) == null)
@@ -866,11 +934,14 @@ public class FlatTitlePane
return;
int titleBarHeight = getHeight();
// title bar height must be measured from window top edge
// (when window is maximized, window y location is e.g. -11 and window top inset is 11)
for( Component c = this; c != window && c != null; c = c.getParent() )
titleBarHeight += c.getY();
// slightly reduce height so that component receives mouseExit events
if( titleBarHeight > 0 )
titleBarHeight--;
List<Rectangle> hitTestSpots = new ArrayList<>();
Rectangle appIconBounds = null;
if( !showIconBesideTitle && iconLabel.isVisible() ) {
@@ -928,71 +999,17 @@ public class FlatTitlePane
}
}
Rectangle r = getNativeHitTestSpot( buttonPanel );
if( r != null )
hitTestSpots.add( r );
JMenuBar menuBar = rootPane.getJMenuBar();
if( hasVisibleEmbeddedMenuBar( menuBar ) ) {
r = getNativeHitTestSpot( menuBar );
if( r != null ) {
// if frame is resizable and not maximized, make menu bar hit test spot smaller at top
// to have a small area above the menu bar to resize the window
if( window instanceof Frame && ((Frame)window).isResizable() && !isWindowMaximized() ) {
// limit to 8, because Windows does not use a larger height
int resizeHeight = UIScale.scale( Math.min( menuBarResizeHeight, 8 ) );
r.y += resizeHeight;
r.height -= resizeHeight;
}
int count = menuBar.getComponentCount();
for( int i = count - 1; i >= 0; i-- ) {
Component c = menuBar.getComponent( i );
if( c instanceof Box.Filler ||
(c instanceof JComponent && clientPropertyBoolean( (JComponent) c, COMPONENT_TITLE_BAR_CAPTION, false ) ) )
{
// If menu bar is embedded and contains a horizontal glue or caption component,
// then split the hit test spot so that
// the glue/caption component area can be used to move the window.
Point glueLocation = SwingUtilities.convertPoint( c, 0, 0, window );
int x2 = glueLocation.x + c.getWidth();
Rectangle r2;
if( getComponentOrientation().isLeftToRight() ) {
r2 = new Rectangle( x2, r.y, (r.x + r.width) - x2, r.height );
r.width = glueLocation.x - r.x;
} else {
r2 = new Rectangle( r.x, r.y, glueLocation.x - r.x, r.height );
r.width = (r.x + r.width) - x2;
r.x = x2;
}
if( r2.width > 0 )
hitTestSpots.add( r2 );
}
}
hitTestSpots.add( r );
}
}
// allow internal frames in layered pane to be moved/resized when placed over title bar
for( Component c : rootPane.getLayeredPane().getComponents() ) {
r = (c instanceof JInternalFrame) ? getNativeHitTestSpot( (JInternalFrame) c ) : null;
if( r != null )
hitTestSpots.add( r );
}
Rectangle minimizeButtonBounds = boundsInWindow( iconifyButton );
Rectangle maximizeButtonBounds = boundsInWindow( maximizeButton.isVisible() ? maximizeButton : restoreButton );
Rectangle closeButtonBounds = boundsInWindow( closeButton );
// clear hit-test cache
lastHitTestTime = 0;
FlatNativeWindowBorder.setTitleBarHeightAndHitTestSpots( window, titleBarHeight,
hitTestSpots, appIconBounds, minimizeButtonBounds, maximizeButtonBounds, closeButtonBounds );
this::hitTest, appIconBounds, minimizeButtonBounds, maximizeButtonBounds, closeButtonBounds );
debugTitleBarHeight = titleBarHeight;
debugHitTestSpots = hitTestSpots;
debugAppIconBounds = appIconBounds;
debugMinimizeButtonBounds = minimizeButtonBounds;
debugMaximizeButtonBounds = maximizeButtonBounds;
@@ -1017,8 +1034,66 @@ public class FlatTitlePane
return r;
}
/**
* Returns wheter there is a component at the given location, that processes
* mouse events. E.g. buttons, menus, etc.
* <p>
* Note:
* <ul>
* <li>This method is invoked often when mouse is moved over title bar
* and should therefore return quickly.
* <li>This method is invoked on 'AWT-Windows' thread (not 'AWT-EventQueue' thread)
* while processing Windows messages.
* </ul>
*/
private boolean hitTest( Point pt ) {
// Windows invokes this method every ~200ms, even if the mouse has not moved
long time = System.currentTimeMillis();
if( pt.x == lastHitTestX && pt.y == lastHitTestY && time < lastHitTestTime + 300 ) {
lastHitTestTime = time;
return lastHitTestResult;
}
// convert pt from window coordinates to layeredPane coordinates
Component layeredPane = rootPane.getLayeredPane();
int x = pt.x;
int y = pt.y;
for( Component c = layeredPane; c != window && c != null; c = c.getParent() ) {
x -= c.getX();
y -= c.getY();
}
lastHitTestX = pt.x;
lastHitTestY = pt.y;
lastHitTestTime = time;
lastHitTestResult = isComponentWithMouseListenerAt( layeredPane, x, y );
return lastHitTestResult;
}
private boolean isComponentWithMouseListenerAt( Component c, int x, int y ) {
if( !c.isDisplayable() || !c.isVisible() || !c.contains( x, y ) || c == mouseLayer )
return false;
if( c.getMouseListeners().length > 0 ||
c.getMouseMotionListeners().length > 0 ||
c.getMouseWheelListeners().length > 0 )
return true;
if( c instanceof Container ) {
for( Component child : ((Container)c).getComponents() ) {
if( isComponentWithMouseListenerAt( child, x - child.getX(), y - child.getY() ) )
return true;
}
}
return false;
}
private int lastHitTestX;
private int lastHitTestY;
private long lastHitTestTime;
private boolean lastHitTestResult;
private int debugTitleBarHeight;
private List<Rectangle> debugHitTestSpots;
private Rectangle debugAppIconBounds;
private Rectangle debugMinimizeButtonBounds;
private Rectangle debugMaximizeButtonBounds;
@@ -1116,7 +1191,7 @@ public class FlatTitlePane
}
}
// compute icon width and gap (if icon is show besides the title)
// compute icon width and gap (if icon is shown besides the title)
int iconTextGap = 0;
int iconWidthAndGap = 0;
if( icon != null ) {
@@ -1125,7 +1200,7 @@ public class FlatTitlePane
iconWidthAndGap = icon.getIconWidth() + iconTextGap;
}
// layout title and icon (if show besides the title)
// layout title and icon (if shown besides the title)
String clippedText = SwingUtilities.layoutCompoundLabel( label, fontMetrics, text, icon,
label.getVerticalAlignment(), label.getHorizontalAlignment(),
label.getVerticalTextPosition(), label.getHorizontalTextPosition(),
@@ -1275,7 +1350,7 @@ debug*/
}
if( e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton( e ) ) {
if( e.getSource() == iconLabel ) {
if( SwingUtilities.getDeepestComponentAt( FlatTitlePane.this, e.getX(), e.getY() ) == iconLabel ) {
// double-click on icon closes window
close();
} else if( !hasNativeCustomDecoration() ) {
@@ -1302,7 +1377,7 @@ debug*/
if( !SwingUtilities.isLeftMouseButton( e ) )
return;
dragOffset = SwingUtilities.convertPoint( FlatTitlePane.this, e.getPoint(), window );
dragOffset = SwingUtilities.convertPoint( mouseLayer, e.getPoint(), window );
linuxNativeMove = false;
// on Linux, move or maximize/restore window

53
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatWindowsNativeWindowBorder.java
View File

@@ -29,8 +29,8 @@ import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Predicate;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.Timer;
@@ -159,7 +159,7 @@ class FlatWindowsNativeWindowBorder
}
@Override
public void updateTitleBarInfo( Window window, int titleBarHeight, List<Rectangle> hitTestSpots,
public void updateTitleBarInfo( Window window, int titleBarHeight, Predicate<Point> hitTestCallback,
Rectangle appIconBounds, Rectangle minimizeButtonBounds, Rectangle maximizeButtonBounds,
Rectangle closeButtonBounds )
{
@@ -168,7 +168,7 @@ class FlatWindowsNativeWindowBorder
return;
wndProc.titleBarHeight = titleBarHeight;
wndProc.hitTestSpots = hitTestSpots.toArray( new Rectangle[hitTestSpots.size()] );
wndProc.hitTestCallback = hitTestCallback;
wndProc.appIconBounds = cloneRectange( appIconBounds );
wndProc.minimizeButtonBounds = cloneRectange( minimizeButtonBounds );
wndProc.maximizeButtonBounds = cloneRectange( maximizeButtonBounds );
@@ -288,8 +288,8 @@ class FlatWindowsNativeWindowBorder
private final long hwnd;
// Swing coordinates/values may be scaled on a HiDPI screen
private int titleBarHeight;
private Rectangle[] hitTestSpots;
private int titleBarHeight; // measured from window top edge, which may be out-of-screen if maximized
private Predicate<Point> hitTestCallback;
private Rectangle appIconBounds;
private Rectangle minimizeButtonBounds;
private Rectangle maximizeButtonBounds;
@@ -340,50 +340,61 @@ class FlatWindowsNativeWindowBorder
private int onNcHitTest( int x, int y, boolean isOnResizeBorder ) {
// scale-down mouse x/y because Swing coordinates/values may be scaled on a HiDPI screen
Point pt = scaleDown( x, y );
int sx = pt.x;
int sy = pt.y;
// return HTSYSMENU if mouse is over application icon
// - left-click on HTSYSMENU area shows system menu
// - double-left-click sends WM_CLOSE
if( contains( appIconBounds, sx, sy ) )
if( contains( appIconBounds, pt ) )
return HTSYSMENU;
// return HTMINBUTTON if mouse is over minimize button
// - hovering mouse over HTMINBUTTON area shows tooltip on Windows 10/11
if( contains( minimizeButtonBounds, sx, sy ) )
if( contains( minimizeButtonBounds, pt ) )
return HTMINBUTTON;
// return HTMAXBUTTON if mouse is over maximize/restore button
// - hovering mouse over HTMAXBUTTON area shows tooltip on Windows 10
// - hovering mouse over HTMAXBUTTON area shows snap layouts menu on Windows 11
// https://docs.microsoft.com/en-us/windows/apps/desktop/modernize/apply-snap-layout-menu
if( contains( maximizeButtonBounds, sx, sy ) )
if( contains( maximizeButtonBounds, pt ) )
return HTMAXBUTTON;
// return HTCLOSE if mouse is over close button
// - hovering mouse over HTCLOSE area shows tooltip on Windows 10/11
if( contains( closeButtonBounds, sx, sy ) )
if( contains( closeButtonBounds, pt ) )
return HTCLOSE;
boolean isOnTitleBar = (sy < titleBarHeight);
// return HTTOP if mouse is over top resize border
// - hovering mouse shows vertical resize cursor
// - left-click and drag vertically resizes window
if( isOnResizeBorder )
return HTTOP;
boolean isOnTitleBar = (pt.y < titleBarHeight);
if( isOnTitleBar ) {
// use a second reference to the array to avoid that it can be changed
// in another thread while processing the array
Rectangle[] hitTestSpots2 = hitTestSpots;
for( Rectangle spot : hitTestSpots2 ) {
if( spot.contains( sx, sy ) )
// return HTCLIENT if mouse is over any Swing component in title bar
// that processes mouse events (e.g. buttons, menus, etc)
// - Windows ignores mouse events in this area
try {
if( hitTestCallback != null && hitTestCallback.test( pt ) )
return HTCLIENT;
} catch( Throwable ex ) {
// ignore
}
return isOnResizeBorder ? HTTOP : HTCAPTION;
// return HTCAPTION if mouse is over title bar
// - right-click shows system menu
// - double-left-click maximizes/restores window size
return HTCAPTION;
}
return isOnResizeBorder ? HTTOP : HTCLIENT;
// return HTCLIENT
// - Windows ignores mouse events in this area
return HTCLIENT;
}
private boolean contains( Rectangle rect, int x, int y ) {
return (rect != null && rect.contains( x, y ) );
private boolean contains( Rectangle rect, Point pt ) {
return (rect != null && rect.contains( pt ) );
}
/**

1
flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties
View File

@@ -829,7 +829,6 @@ TitlePane.centerTitleIfMenuBarEmbedded = true
TitlePane.showIconBesideTitle = false
TitlePane.menuBarTitleGap = 40
TitlePane.menuBarTitleMinimumGap = 12
TitlePane.menuBarResizeHeight = 4
TitlePane.closeIcon = com.formdev.flatlaf.icons.FlatWindowCloseIcon
TitlePane.iconifyIcon = com.formdev.flatlaf.icons.FlatWindowIconifyIcon
TitlePane.maximizeIcon = com.formdev.flatlaf.icons.FlatWindowMaximizeIcon