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Native window decorations: support changing title bar background and foreground colors per window (via client property)

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This commit is contained in:
Karl Tauber
2021-04-05 14:19:41 +02:00
parent 801b555835
commit f456185f7d
6 changed files with 99 additions and 29 deletions
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20
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
View File

@@ -269,6 +269,26 @@ public interface FlatClientProperties
*/
String MENU_BAR_EMBEDDED = "JRootPane.menuBarEmbedded";
/**
* Background color of window title bar (requires enabled window decorations).
* <p>
* <strong>Component</strong> {@link javax.swing.JRootPane}<br>
* <strong>Value type</strong> {@link java.awt.Color}
*
* @since 1.1.2
*/
String TITLE_BAR_BACKGROUND = "JRootPane.titleBarBackground";
/**
* Foreground color of window title bar (requires enabled window decorations).
* <p>
* <strong>Component</strong> {@link javax.swing.JRootPane}<br>
* <strong>Value type</strong> {@link java.awt.Color}
*
* @since 1.1.2
*/
String TITLE_BAR_FOREGROUND = "JRootPane.titleBarForeground";
//---- JScrollBar / JScrollPane -------------------------------------------
/**

6
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatRootPaneUI.java
View File

@@ -256,6 +256,12 @@ public class FlatRootPaneUI
rootPane.repaint();
}
break;
case FlatClientProperties.TITLE_BAR_BACKGROUND:
case FlatClientProperties.TITLE_BAR_FOREGROUND:
if( titlePane != null )
titlePane.titleBarColorsChanged();
break;
}
}

20
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTitlePane.java
View File

@@ -265,10 +265,17 @@ public class FlatTitlePane
}
protected void activeChanged( boolean active ) {
boolean hasEmbeddedMenuBar = hasVisibleEmbeddedMenuBar( rootPane.getJMenuBar() );
Color background = FlatUIUtils.nonUIResource( active ? activeBackground : inactiveBackground );
Color foreground = FlatUIUtils.nonUIResource( active ? activeForeground : inactiveForeground );
Color titleForeground = (hasEmbeddedMenuBar && active) ? FlatUIUtils.nonUIResource( embeddedForeground ) : foreground;
Color background = FlatClientProperties.clientPropertyColor( rootPane, FlatClientProperties.TITLE_BAR_BACKGROUND, null );
Color foreground = FlatClientProperties.clientPropertyColor( rootPane, FlatClientProperties.TITLE_BAR_FOREGROUND, null );
Color titleForeground = foreground;
if( background == null )
background = FlatUIUtils.nonUIResource( active ? activeBackground : inactiveBackground );
if( foreground == null ) {
foreground = FlatUIUtils.nonUIResource( active ? activeForeground : inactiveForeground );
titleForeground = (active && hasVisibleEmbeddedMenuBar( rootPane.getJMenuBar() ))
? FlatUIUtils.nonUIResource( embeddedForeground )
: foreground;
}
setBackground( background );
titleLabel.setForeground( titleForeground );
@@ -480,6 +487,11 @@ public class FlatTitlePane
return null;
}
protected void titleBarColorsChanged() {
activeChanged( window == null || window.isActive() );
repaint();
}
protected void menuBarChanged() {
menuBarPlaceholder.invalidate();