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SplitPane: added grip to divider (issue #179)

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This commit is contained in:
Karl Tauber
2020-11-04 11:52:50 +01:00
parent a7e2a10403
commit 18d8c7d086
9 changed files with 118 additions and 29 deletions
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32
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatSplitPaneUI.java
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@@ -19,6 +19,8 @@ package com.formdev.flatlaf.ui;
import java.awt.Color;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.event.MouseEvent;
import java.beans.PropertyChangeEvent;
@@ -51,6 +53,11 @@ import com.formdev.flatlaf.util.UIScale;
* @uiDefault SplitPane.continuousLayout boolean
* @uiDefault SplitPaneDivider.oneTouchArrowColor Color
* @uiDefault SplitPaneDivider.oneTouchHoverArrowColor Color
* @uiDefault SplitPaneDivider.style String grip (default) or plain
* @uiDefault SplitPaneDivider.gripColor Color
* @uiDefault SplitPaneDivider.gripDotCount int
* @uiDefault SplitPaneDivider.gripDotSize int
* @uiDefault SplitPaneDivider.gripGap int
*
* @author Karl Tauber
*/
@@ -95,6 +102,12 @@ public class FlatSplitPaneUI
protected class FlatSplitPaneDivider
extends BasicSplitPaneDivider
{
protected final String style = UIManager.getString( "SplitPaneDivider.style" );
protected final Color gripColor = UIManager.getColor( "SplitPaneDivider.gripColor" );
protected final int gripDotCount = FlatUIUtils.getUIInt( "SplitPaneDivider.gripDotCount", 3 );
protected final int gripDotSize = FlatUIUtils.getUIInt( "SplitPaneDivider.gripDotSize", 3 );
protected final int gripGap = FlatUIUtils.getUIInt( "SplitPaneDivider.gripGap", 2 );
protected FlatSplitPaneDivider( BasicSplitPaneUI ui ) {
super( ui );
@@ -128,6 +141,25 @@ public class FlatSplitPaneUI
}
}
@Override
public void paint( Graphics g ) {
super.paint( g );
if( "plain".equals( style ) )
return;
FlatUIUtils.setRenderingHints( (Graphics2D) g );
g.setColor( gripColor );
paintGrip( g, 0, 0, getWidth(), getHeight() );
}
protected void paintGrip( Graphics g, int x, int y, int width, int height ) {
FlatUIUtils.paintGrip( g, x, y, width, height,
splitPane.getOrientation() == JSplitPane.VERTICAL_SPLIT,
gripDotCount, gripDotSize, gripGap, true );
}
protected boolean isLeftCollapsed() {
int location = splitPane.getDividerLocation();
Insets insets = splitPane.getInsets();

51
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarBorder.java
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@@ -16,15 +16,16 @@
package com.formdev.flatlaf.ui;
import static com.formdev.flatlaf.util.UIScale.*;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import javax.swing.JToolBar;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import com.formdev.flatlaf.util.UIScale;
/**
* Border for {@link javax.swing.JToolBar}.
@@ -39,7 +40,7 @@ public class FlatToolBarBorder
{
private static final int DOT_COUNT = 4;
private static final int DOT_SIZE = 2;
private static final int GRIP_WIDTH = DOT_SIZE * 3;
private static final int GRIP_SIZE = DOT_SIZE * 3;
protected final Color gripColor = UIManager.getColor( "ToolBar.gripColor" );
@@ -64,35 +65,27 @@ public class FlatToolBarBorder
}
protected void paintGrip( Component c, Graphics g, int x, int y, int width, int height ) {
int dotSize = scale( DOT_SIZE );
int gapSize = dotSize;
int gripSize = (dotSize * DOT_COUNT) + ((gapSize * (DOT_COUNT - 1)));
Rectangle r = calculateGripBounds( c, x, y, width, height );
FlatUIUtils.paintGrip( g, r.x, r.y, r.width, r.height,
((JToolBar)c).getOrientation() == SwingConstants.VERTICAL,
DOT_COUNT, DOT_SIZE, DOT_SIZE, false );
}
// include toolbar margin in grip position calculation
Insets insets = getBorderInsets( c );
protected Rectangle calculateGripBounds( Component c, int x, int y, int width, int height ) {
// include toolbar margin in grip bounds calculation
Insets insets = super.getBorderInsets( c, new Insets( 0, 0, 0, 0 ) );
Rectangle r = FlatUIUtils.subtractInsets( new Rectangle( x, y, width, height ), insets );
// calculate grip position
boolean horizontal = ((JToolBar)c).getOrientation() == SwingConstants.HORIZONTAL;
if( horizontal ) {
if( c.getComponentOrientation().isLeftToRight() )
x += insets.left - (dotSize * 2);
else
x += width - insets.right + dotSize;
y += Math.round( (height - gripSize) / 2f );
} else {
// vertical
x += Math.round( (width - gripSize) / 2f );
y += insets.top - (dotSize * 2);
}
// calculate grip bounds
int gripSize = UIScale.scale( GRIP_SIZE );
if( ((JToolBar)c).getOrientation() == SwingConstants.HORIZONTAL ) {
if( !c.getComponentOrientation().isLeftToRight() )
r.x = r.x + r.width - gripSize;
r.width = gripSize;
} else
r.height = gripSize;
// paint dots
for( int i = 0; i < DOT_COUNT; i++ ) {
g.fillOval( x, y, dotSize, dotSize );
if( horizontal )
y += dotSize + gapSize;
else
x += dotSize + gapSize;
}
return r;
}
@Override
@@ -101,7 +94,7 @@ public class FlatToolBarBorder
// add grip inset if floatable
if( c instanceof JToolBar && ((JToolBar)c).isFloatable() ) {
int gripInset = scale( GRIP_WIDTH );
int gripInset = UIScale.scale( GRIP_SIZE );
if( ((JToolBar)c).getOrientation() == SwingConstants.HORIZONTAL ) {
if( c.getComponentOrientation().isLeftToRight() )
insets.left += gripInset;

36
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatUIUtils.java
View File

@@ -32,6 +32,7 @@ import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
@@ -390,6 +391,41 @@ public class FlatUIUtils
}
}
public static void paintGrip( Graphics g, int x, int y, int width, int height,
boolean horizontal, int dotCount, int dotSize, int gap, boolean centerPrecise )
{
dotSize = UIScale.scale( dotSize );
gap = UIScale.scale( gap );
int gripSize = (dotSize * dotCount) + ((gap * (dotCount - 1)));
// calculate grip position
float gx;
float gy;
if( horizontal ) {
gx = x + Math.round( (width - gripSize) / 2f );
gy = y + ((height - dotSize) / 2f);
if( !centerPrecise )
gy = Math.round( gy );
} else {
// vertical
gx = x + ((width - dotSize) / 2f);
gy = y + Math.round( (height - gripSize) / 2f );
if( !centerPrecise )
gx = Math.round( gx );
}
// paint dots
for( int i = 0; i < dotCount; i++ ) {
((Graphics2D)g).fill( new Ellipse2D.Float( gx, gy, dotSize, dotSize ) );
if( horizontal )
gx += dotSize + gap;
else
gy += dotSize + gap;
}
}
/**
* Fill background with parent's background color because the visible component
* is smaller than its bounds (for the focus decoration).

6
flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties
View File

@@ -532,6 +532,12 @@ SplitPane.oneTouchButtonOffset={scaledInteger}2
SplitPaneDivider.border=null
SplitPaneDivider.oneTouchArrowColor=$ComboBox.buttonArrowColor
# allowed values: "grip" (default) or "plain"
SplitPaneDivider.style=grip
SplitPaneDivider.gripColor=@icon
SplitPaneDivider.gripDotCount=3
SplitPaneDivider.gripDotSize={integer}3
SplitPaneDivider.gripGap=2
#---- TabbedPane ----