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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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52
flatlaf-natives/flatlaf-natives-jna/src/main/java/com/formdev/flatlaf/natives/jna/windows/FlatWindowsNativeWindowBorder.java
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@@ -32,8 +32,8 @@ 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;
@@ -164,7 +164,7 @@ public 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 )
{
@@ -173,7 +173,7 @@ public 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 );
@@ -351,7 +351,7 @@ public class FlatWindowsNativeWindowBorder
// Swing coordinates/values may be scaled on a HiDPI screen
private int titleBarHeight;
private Rectangle[] hitTestSpots;
private Predicate<Point> hitTestCallback;
private Rectangle appIconBounds;
private Rectangle minimizeButtonBounds;
private Rectangle maximizeButtonBounds;
@@ -644,53 +644,65 @@ public class FlatWindowsNativeWindowBorder
// 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 new LRESULT( 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 new LRESULT( 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 new LRESULT( 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 new LRESULT( HTCLOSE );
int resizeBorderHeight = getResizeHandleHeight();
boolean isOnResizeBorder = (y < resizeBorderHeight) &&
(User32.INSTANCE.GetWindowLong( hwnd, GWL_STYLE ) & WS_THICKFRAME) != 0;
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 new LRESULT( 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 new LRESULT( HTCLIENT );
} catch( Throwable ex ) {
// ignore
}
return new LRESULT( isOnResizeBorder ? HTTOP : HTCAPTION );
// return HTCAPTION if mouse is over title bar
// - right-click shows system menu
// - double-left-click maximizes/restores window size
return new LRESULT( HTCAPTION );
}
return new LRESULT( isOnResizeBorder ? HTTOP : HTCLIENT );
// return HTCLIENT
// - Windows ignores mouse events in this area
return new LRESULT( 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 ) );
}
/**