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TextArea: update background color property if enabled or editable state changes in the same way as Swing does it for all other text components (issue #147)

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This commit is contained in:
Karl Tauber
2020-08-25 19:15:53 +02:00
parent e55b2afd60
commit a1dab94a61
4 changed files with 87 additions and 15 deletions
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68
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTextAreaUI.java
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@@ -60,6 +60,7 @@ public class FlatTextAreaUI
{
protected int minimumWidth;
protected boolean isIntelliJTheme;
protected Color background;
protected Color disabledBackground;
protected Color inactiveBackground;
@@ -67,12 +68,20 @@ public class FlatTextAreaUI
return new FlatTextAreaUI();
}
@Override
public void installUI( JComponent c ) {
super.installUI( c );
updateBackground();
}
@Override
protected void installDefaults() {
super.installDefaults();
minimumWidth = UIManager.getInt( "Component.minimumWidth" );
isIntelliJTheme = UIManager.getBoolean( "Component.isIntelliJTheme" );
background = UIManager.getColor( "TextArea.background" );
disabledBackground = UIManager.getColor( "TextArea.disabledBackground" );
inactiveBackground = UIManager.getColor( "TextArea.inactiveBackground" );
}
@@ -81,6 +90,7 @@ public class FlatTextAreaUI
protected void uninstallDefaults() {
super.uninstallDefaults();
background = null;
disabledBackground = null;
inactiveBackground = null;
}
@@ -89,26 +99,36 @@ public class FlatTextAreaUI
protected void propertyChange( PropertyChangeEvent e ) {
super.propertyChange( e );
FlatEditorPaneUI.propertyChange( getComponent(), e );
switch( e.getPropertyName() ) {
case "editable":
case "enabled":
updateBackground();
break;
}
}
@Override
protected void paintSafely( Graphics g ) {
super.paintSafely( HiDPIUtils.createGraphicsTextYCorrection( (Graphics2D) g ) );
}
@Override
protected void paintBackground( Graphics g ) {
private void updateBackground() {
JTextComponent c = getComponent();
Color background = c.getBackground();
g.setColor( !(background instanceof UIResource)
? background
: (isIntelliJTheme && (!c.isEnabled() || !c.isEditable())
? FlatUIUtils.getParentBackground( c )
: (!c.isEnabled()
? disabledBackground
: (!c.isEditable() ? inactiveBackground : background))) );
g.fillRect( 0, 0, c.getWidth(), c.getHeight() );
if( !(background instanceof UIResource) )
return;
// do not update background if it currently has a unknown color (assigned from outside)
if( background != this.background &&
background != disabledBackground &&
background != inactiveBackground )
return;
Color newBackground = !c.isEnabled()
? disabledBackground
: (!c.isEditable()
? inactiveBackground
: this.background);
if( newBackground != background )
c.setBackground( newBackground );
}
@Override
@@ -128,4 +148,22 @@ public class FlatTextAreaUI
return FlatEditorPaneUI.applyMinimumWidth( c, size, minimumWidth );
}
@Override
protected void paintSafely( Graphics g ) {
super.paintSafely( HiDPIUtils.createGraphicsTextYCorrection( (Graphics2D) g ) );
}
@Override
protected void paintBackground( Graphics g ) {
JTextComponent c = getComponent();
// for compatibility with IntelliJ themes
if( isIntelliJTheme && (!c.isEnabled() || !c.isEditable()) && (c.getBackground() instanceof UIResource) ) {
FlatUIUtils.paintParentBackground( g, c );
return;
}
super.paintBackground( g );
}
}