/* * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.plaf.metal; import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; import javax.swing.plaf.*; import java.io.Serializable; import javax.swing.plaf.basic.BasicTabbedPaneUI; /** * The Metal subclass of BasicTabbedPaneUI. *

* Warning: * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing. As of 1.4, support for long term storage * of all JavaBeans™ * has been added to the java.beans package. * Please see {@link java.beans.XMLEncoder}. * * @author Tom Santos */ public class MetalTabbedPaneUI extends BasicTabbedPaneUI { protected int minTabWidth = 40; // Background color for unselected tabs that don't have an explicitly // set color. private Color unselectedBackground; protected Color tabAreaBackground; protected Color selectColor; protected Color selectHighlight; private boolean tabsOpaque = true; // Whether or not we're using ocean. This is cached as it is used // extensively during painting. private boolean ocean; // Selected border color for ocean. private Color oceanSelectedBorderColor; public static ComponentUI createUI( JComponent x ) { return new MetalTabbedPaneUI(); } protected LayoutManager createLayoutManager() { if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT) { return super.createLayoutManager(); } return new TabbedPaneLayout(); } protected void installDefaults() { super.installDefaults(); tabAreaBackground = UIManager.getColor("TabbedPane.tabAreaBackground"); selectColor = UIManager.getColor("TabbedPane.selected"); selectHighlight = UIManager.getColor("TabbedPane.selectHighlight"); tabsOpaque = UIManager.getBoolean("TabbedPane.tabsOpaque"); unselectedBackground = UIManager.getColor( "TabbedPane.unselectedBackground"); ocean = MetalLookAndFeel.usingOcean(); if (ocean) { oceanSelectedBorderColor = UIManager.getColor( "TabbedPane.borderHightlightColor"); } } protected void paintTabBorder( Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h, boolean isSelected) { int bottom = y + (h-1); int right = x + (w-1); switch ( tabPlacement ) { case LEFT: paintLeftTabBorder(tabIndex, g, x, y, w, h, bottom, right, isSelected); break; case BOTTOM: paintBottomTabBorder(tabIndex, g, x, y, w, h, bottom, right, isSelected); break; case RIGHT: paintRightTabBorder(tabIndex, g, x, y, w, h, bottom, right, isSelected); break; case TOP: default: paintTopTabBorder(tabIndex, g, x, y, w, h, bottom, right, isSelected); } } protected void paintTopTabBorder( int tabIndex, Graphics g, int x, int y, int w, int h, int btm, int rght, boolean isSelected ) { int currentRun = getRunForTab( tabPane.getTabCount(), tabIndex ); int lastIndex = lastTabInRun( tabPane.getTabCount(), currentRun ); int firstIndex = tabRuns[ currentRun ]; boolean leftToRight = MetalUtils.isLeftToRight(tabPane); int selectedIndex = tabPane.getSelectedIndex(); int bottom = h - 1; int right = w - 1; // // Paint Gap // if (shouldFillGap( currentRun, tabIndex, x, y ) ) { g.translate( x, y ); if ( leftToRight ) { g.setColor( getColorForGap( currentRun, x, y + 1 ) ); g.fillRect( 1, 0, 5, 3 ); g.fillRect( 1, 3, 2, 2 ); } else { g.setColor( getColorForGap( currentRun, x + w - 1, y + 1 ) ); g.fillRect( right - 5, 0, 5, 3 ); g.fillRect( right - 2, 3, 2, 2 ); } g.translate( -x, -y ); } g.translate( x, y ); // // Paint Border // if (ocean && isSelected) { g.setColor(oceanSelectedBorderColor); } else { g.setColor( darkShadow ); } if ( leftToRight ) { // Paint slant g.drawLine( 1, 5, 6, 0 ); // Paint top g.drawLine( 6, 0, right, 0 ); // Paint right if ( tabIndex==lastIndex ) { // last tab in run g.drawLine( right, 1, right, bottom ); } if (ocean && tabIndex - 1 == selectedIndex && currentRun == getRunForTab( tabPane.getTabCount(), selectedIndex)) { g.setColor(oceanSelectedBorderColor); } // Paint left if ( tabIndex != tabRuns[ runCount - 1 ] ) { // not the first tab in the last run if (ocean && isSelected) { g.drawLine(0, 6, 0, bottom); g.setColor(darkShadow); g.drawLine(0, 0, 0, 5); } else { g.drawLine( 0, 0, 0, bottom ); } } else { // the first tab in the last run g.drawLine( 0, 6, 0, bottom ); } } else { // Paint slant g.drawLine( right - 1, 5, right - 6, 0 ); // Paint top g.drawLine( right - 6, 0, 0, 0 ); // Paint left if ( tabIndex==lastIndex ) { // last tab in run g.drawLine( 0, 1, 0, bottom ); } // Paint right if (ocean && tabIndex - 1 == selectedIndex && currentRun == getRunForTab( tabPane.getTabCount(), selectedIndex)) { g.setColor(oceanSelectedBorderColor); g.drawLine(right, 0, right, bottom); } else if (ocean && isSelected) { g.drawLine(right, 6, right, bottom); if (tabIndex != 0) { g.setColor(darkShadow); g.drawLine(right, 0, right, 5); } } else { if ( tabIndex != tabRuns[ runCount - 1 ] ) { // not the first tab in the last run g.drawLine( right, 0, right, bottom ); } else { // the first tab in the last run g.drawLine( right, 6, right, bottom ); } } } // // Paint Highlight // g.setColor( isSelected ? selectHighlight : highlight ); if ( leftToRight ) { // Paint slant g.drawLine( 1, 6, 6, 1 ); // Paint top g.drawLine( 6, 1, (tabIndex == lastIndex) ? right - 1 : right, 1 ); // Paint left g.drawLine( 1, 6, 1, bottom ); // paint highlight in the gap on tab behind this one // on the left end (where they all line up) if ( tabIndex==firstIndex && tabIndex!=tabRuns[runCount - 1] ) { // first tab in run but not first tab in last run if (tabPane.getSelectedIndex()==tabRuns[currentRun+1]) { // tab in front of selected tab g.setColor( selectHighlight ); } else { // tab in front of normal tab g.setColor( highlight ); } g.drawLine( 1, 0, 1, 4 ); } } else { // Paint slant g.drawLine( right - 1, 6, right - 6, 1 ); // Paint top g.drawLine( right - 6, 1, 1, 1 ); // Paint left if ( tabIndex==lastIndex ) { // last tab in run g.drawLine( 1, 1, 1, bottom ); } else { g.drawLine( 0, 1, 0, bottom ); } } g.translate( -x, -y ); } protected boolean shouldFillGap( int currentRun, int tabIndex, int x, int y ) { boolean result = false; if (!tabsOpaque) { return false; } if ( currentRun == runCount - 2 ) { // If it's the second to last row. Rectangle lastTabBounds = getTabBounds( tabPane, tabPane.getTabCount() - 1 ); Rectangle tabBounds = getTabBounds( tabPane, tabIndex ); if (MetalUtils.isLeftToRight(tabPane)) { int lastTabRight = lastTabBounds.x + lastTabBounds.width - 1; // is the right edge of the last tab to the right // of the left edge of the current tab? if ( lastTabRight > tabBounds.x + 2 ) { return true; } } else { int lastTabLeft = lastTabBounds.x; int currentTabRight = tabBounds.x + tabBounds.width - 1; // is the left edge of the last tab to the left // of the right edge of the current tab? if ( lastTabLeft < currentTabRight - 2 ) { return true; } } } else { // fill in gap for all other rows except last row result = currentRun != runCount - 1; } return result; } protected Color getColorForGap( int currentRun, int x, int y ) { final int shadowWidth = 4; int selectedIndex = tabPane.getSelectedIndex(); int startIndex = tabRuns[ currentRun + 1 ]; int endIndex = lastTabInRun( tabPane.getTabCount(), currentRun + 1 ); int tabOverGap = -1; // Check each tab in the row that is 'on top' of this row for ( int i = startIndex; i <= endIndex; ++i ) { Rectangle tabBounds = getTabBounds( tabPane, i ); int tabLeft = tabBounds.x; int tabRight = (tabBounds.x + tabBounds.width) - 1; // Check to see if this tab is over the gap if ( MetalUtils.isLeftToRight(tabPane) ) { if ( tabLeft <= x && tabRight - shadowWidth > x ) { return selectedIndex == i ? selectColor : getUnselectedBackgroundAt( i ); } } else { if ( tabLeft + shadowWidth < x && tabRight >= x ) { return selectedIndex == i ? selectColor : getUnselectedBackgroundAt( i ); } } } return tabPane.getBackground(); } protected void paintLeftTabBorder( int tabIndex, Graphics g, int x, int y, int w, int h, int btm, int rght, boolean isSelected ) { int tabCount = tabPane.getTabCount(); int currentRun = getRunForTab( tabCount, tabIndex ); int lastIndex = lastTabInRun( tabCount, currentRun ); int firstIndex = tabRuns[ currentRun ]; g.translate( x, y ); int bottom = h - 1; int right = w - 1; // // Paint part of the tab above // if ( tabIndex != firstIndex && tabsOpaque ) { g.setColor( tabPane.getSelectedIndex() == tabIndex - 1 ? selectColor : getUnselectedBackgroundAt( tabIndex - 1 ) ); g.fillRect( 2, 0, 4, 3 ); g.drawLine( 2, 3, 2, 3 ); } // // Paint Highlight // if (ocean) { g.setColor(isSelected ? selectHighlight : MetalLookAndFeel.getWhite()); } else { g.setColor( isSelected ? selectHighlight : highlight ); } // Paint slant g.drawLine( 1, 6, 6, 1 ); // Paint left g.drawLine( 1, 6, 1, bottom ); // Paint top g.drawLine( 6, 1, right, 1 ); if ( tabIndex != firstIndex ) { if (tabPane.getSelectedIndex() == tabIndex - 1) { g.setColor(selectHighlight); } else { g.setColor(ocean ? MetalLookAndFeel.getWhite() : highlight); } g.drawLine( 1, 0, 1, 4 ); } // // Paint Border // if (ocean) { if (isSelected) { g.setColor(oceanSelectedBorderColor); } else { g.setColor( darkShadow ); } } else { g.setColor( darkShadow ); } // Paint slant g.drawLine( 1, 5, 6, 0 ); // Paint top g.drawLine( 6, 0, right, 0 ); // Paint bottom if ( tabIndex == lastIndex ) { g.drawLine( 0, bottom, right, bottom ); } // Paint left if (ocean) { if (tabPane.getSelectedIndex() == tabIndex - 1) { g.drawLine(0, 5, 0, bottom); g.setColor(oceanSelectedBorderColor); g.drawLine(0, 0, 0, 5); } else if (isSelected) { g.drawLine( 0, 6, 0, bottom ); if (tabIndex != 0) { g.setColor(darkShadow); g.drawLine(0, 0, 0, 5); } } else if ( tabIndex != firstIndex ) { g.drawLine( 0, 0, 0, bottom ); } else { g.drawLine( 0, 6, 0, bottom ); } } else { // metal if ( tabIndex != firstIndex ) { g.drawLine( 0, 0, 0, bottom ); } else { g.drawLine( 0, 6, 0, bottom ); } } g.translate( -x, -y ); } protected void paintBottomTabBorder( int tabIndex, Graphics g, int x, int y, int w, int h, int btm, int rght, boolean isSelected ) { int tabCount = tabPane.getTabCount(); int currentRun = getRunForTab( tabCount, tabIndex ); int lastIndex = lastTabInRun( tabCount, currentRun ); int firstIndex = tabRuns[ currentRun ]; boolean leftToRight = MetalUtils.isLeftToRight(tabPane); int bottom = h - 1; int right = w - 1; // // Paint Gap // if ( shouldFillGap( currentRun, tabIndex, x, y ) ) { g.translate( x, y ); if ( leftToRight ) { g.setColor( getColorForGap( currentRun, x, y ) ); g.fillRect( 1, bottom - 4, 3, 5 ); g.fillRect( 4, bottom - 1, 2, 2 ); } else { g.setColor( getColorForGap( currentRun, x + w - 1, y ) ); g.fillRect( right - 3, bottom - 3, 3, 4 ); g.fillRect( right - 5, bottom - 1, 2, 2 ); g.drawLine( right - 1, bottom - 4, right - 1, bottom - 4 ); } g.translate( -x, -y ); } g.translate( x, y ); // // Paint Border // if (ocean && isSelected) { g.setColor(oceanSelectedBorderColor); } else { g.setColor( darkShadow ); } if ( leftToRight ) { // Paint slant g.drawLine( 1, bottom - 5, 6, bottom ); // Paint bottom g.drawLine( 6, bottom, right, bottom ); // Paint right if ( tabIndex == lastIndex ) { g.drawLine( right, 0, right, bottom ); } // Paint left if (ocean && isSelected) { g.drawLine(0, 0, 0, bottom - 6); if ((currentRun == 0 && tabIndex != 0) || (currentRun > 0 && tabIndex != tabRuns[currentRun - 1])) { g.setColor(darkShadow); g.drawLine(0, bottom - 5, 0, bottom); } } else { if (ocean && tabIndex == tabPane.getSelectedIndex() + 1) { g.setColor(oceanSelectedBorderColor); } if ( tabIndex != tabRuns[ runCount - 1 ] ) { g.drawLine( 0, 0, 0, bottom ); } else { g.drawLine( 0, 0, 0, bottom - 6 ); } } } else { // Paint slant g.drawLine( right - 1, bottom - 5, right - 6, bottom ); // Paint bottom g.drawLine( right - 6, bottom, 0, bottom ); // Paint left if ( tabIndex==lastIndex ) { // last tab in run g.drawLine( 0, 0, 0, bottom ); } // Paint right if (ocean && tabIndex == tabPane.getSelectedIndex() + 1) { g.setColor(oceanSelectedBorderColor); g.drawLine(right, 0, right, bottom); } else if (ocean && isSelected) { g.drawLine(right, 0, right, bottom - 6); if (tabIndex != firstIndex) { g.setColor(darkShadow); g.drawLine(right, bottom - 5, right, bottom); } } else if ( tabIndex != tabRuns[ runCount - 1 ] ) { // not the first tab in the last run g.drawLine( right, 0, right, bottom ); } else { // the first tab in the last run g.drawLine( right, 0, right, bottom - 6 ); } } // // Paint Highlight // g.setColor( isSelected ? selectHighlight : highlight ); if ( leftToRight ) { // Paint slant g.drawLine( 1, bottom - 6, 6, bottom - 1 ); // Paint left g.drawLine( 1, 0, 1, bottom - 6 ); // paint highlight in the gap on tab behind this one // on the left end (where they all line up) if ( tabIndex==firstIndex && tabIndex!=tabRuns[runCount - 1] ) { // first tab in run but not first tab in last run if (tabPane.getSelectedIndex()==tabRuns[currentRun+1]) { // tab in front of selected tab g.setColor( selectHighlight ); } else { // tab in front of normal tab g.setColor( highlight ); } g.drawLine( 1, bottom - 4, 1, bottom ); } } else { // Paint left if ( tabIndex==lastIndex ) { // last tab in run g.drawLine( 1, 0, 1, bottom - 1 ); } else { g.drawLine( 0, 0, 0, bottom - 1 ); } } g.translate( -x, -y ); } protected void paintRightTabBorder( int tabIndex, Graphics g, int x, int y, int w, int h, int btm, int rght, boolean isSelected ) { int tabCount = tabPane.getTabCount(); int currentRun = getRunForTab( tabCount, tabIndex ); int lastIndex = lastTabInRun( tabCount, currentRun ); int firstIndex = tabRuns[ currentRun ]; g.translate( x, y ); int bottom = h - 1; int right = w - 1; // // Paint part of the tab above // if ( tabIndex != firstIndex && tabsOpaque ) { g.setColor( tabPane.getSelectedIndex() == tabIndex - 1 ? selectColor : getUnselectedBackgroundAt( tabIndex - 1 ) ); g.fillRect( right - 5, 0, 5, 3 ); g.fillRect( right - 2, 3, 2, 2 ); } // // Paint Highlight // g.setColor( isSelected ? selectHighlight : highlight ); // Paint slant g.drawLine( right - 6, 1, right - 1, 6 ); // Paint top g.drawLine( 0, 1, right - 6, 1 ); // Paint left if ( !isSelected ) { g.drawLine( 0, 1, 0, bottom ); } // // Paint Border // if (ocean && isSelected) { g.setColor(oceanSelectedBorderColor); } else { g.setColor( darkShadow ); } // Paint bottom if ( tabIndex == lastIndex ) { g.drawLine( 0, bottom, right, bottom ); } // Paint slant if (ocean && tabPane.getSelectedIndex() == tabIndex - 1) { g.setColor(oceanSelectedBorderColor); } g.drawLine( right - 6, 0, right, 6 ); // Paint top g.drawLine( 0, 0, right - 6, 0 ); // Paint right if (ocean && isSelected) { g.drawLine(right, 6, right, bottom); if (tabIndex != firstIndex) { g.setColor(darkShadow); g.drawLine(right, 0, right, 5); } } else if (ocean && tabPane.getSelectedIndex() == tabIndex - 1) { g.setColor(oceanSelectedBorderColor); g.drawLine(right, 0, right, 6); g.setColor(darkShadow); g.drawLine(right, 6, right, bottom); } else if ( tabIndex != firstIndex ) { g.drawLine( right, 0, right, bottom ); } else { g.drawLine( right, 6, right, bottom ); } g.translate( -x, -y ); } public void update( Graphics g, JComponent c ) { if ( c.isOpaque() ) { g.setColor( tabAreaBackground ); g.fillRect( 0, 0, c.getWidth(),c.getHeight() ); } paint( g, c ); } protected void paintTabBackground( Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h, boolean isSelected ) { int slantWidth = h / 2; if ( isSelected ) { g.setColor( selectColor ); } else { g.setColor( getUnselectedBackgroundAt( tabIndex ) ); } if (MetalUtils.isLeftToRight(tabPane)) { switch ( tabPlacement ) { case LEFT: g.fillRect( x + 5, y + 1, w - 5, h - 1); g.fillRect( x + 2, y + 4, 3, h - 4 ); break; case BOTTOM: g.fillRect( x + 2, y, w - 2, h - 4 ); g.fillRect( x + 5, y + (h - 1) - 3, w - 5, 3 ); break; case RIGHT: g.fillRect( x, y + 2, w - 4, h - 2); g.fillRect( x + (w - 1) - 3, y + 5, 3, h - 5 ); break; case TOP: default: g.fillRect( x + 4, y + 2, (w - 1) - 3, (h - 1) - 1 ); g.fillRect( x + 2, y + 5, 2, h - 5 ); } } else { switch ( tabPlacement ) { case LEFT: g.fillRect( x + 5, y + 1, w - 5, h - 1); g.fillRect( x + 2, y + 4, 3, h - 4 ); break; case BOTTOM: g.fillRect( x, y, w - 5, h - 1 ); g.fillRect( x + (w - 1) - 4, y, 4, h - 5); g.fillRect( x + (w - 1) - 4, y + (h - 1) - 4, 2, 2); break; case RIGHT: g.fillRect( x + 1, y + 1, w - 5, h - 1); g.fillRect( x + (w - 1) - 3, y + 5, 3, h - 5 ); break; case TOP: default: g.fillRect( x, y + 2, (w - 1) - 3, (h - 1) - 1 ); g.fillRect( x + (w - 1) - 3, y + 5, 3, h - 3 ); } } } /** * Overridden to do nothing for the Java L&F. */ protected int getTabLabelShiftX( int tabPlacement, int tabIndex, boolean isSelected ) { return 0; } /** * Overridden to do nothing for the Java L&F. */ protected int getTabLabelShiftY( int tabPlacement, int tabIndex, boolean isSelected ) { return 0; } /** * {@inheritDoc} * * @since 1.6 */ protected int getBaselineOffset() { return 0; } public void paint( Graphics g, JComponent c ) { int tabPlacement = tabPane.getTabPlacement(); Insets insets = c.getInsets(); Dimension size = c.getSize(); // Paint the background for the tab area if ( tabPane.isOpaque() ) { if (!c.isBackgroundSet() && (tabAreaBackground != null)) { g.setColor(tabAreaBackground); } else { g.setColor( c.getBackground() ); } switch ( tabPlacement ) { case LEFT: g.fillRect( insets.left, insets.top, calculateTabAreaWidth( tabPlacement, runCount, maxTabWidth ), size.height - insets.bottom - insets.top ); break; case BOTTOM: int totalTabHeight = calculateTabAreaHeight( tabPlacement, runCount, maxTabHeight ); g.fillRect( insets.left, size.height - insets.bottom - totalTabHeight, size.width - insets.left - insets.right, totalTabHeight ); break; case RIGHT: int totalTabWidth = calculateTabAreaWidth( tabPlacement, runCount, maxTabWidth ); g.fillRect( size.width - insets.right - totalTabWidth, insets.top, totalTabWidth, size.height - insets.top - insets.bottom ); break; case TOP: default: g.fillRect( insets.left, insets.top, size.width - insets.right - insets.left, calculateTabAreaHeight(tabPlacement, runCount, maxTabHeight) ); paintHighlightBelowTab(); } } super.paint( g, c ); } protected void paintHighlightBelowTab( ) { } protected void paintFocusIndicator(Graphics g, int tabPlacement, Rectangle[] rects, int tabIndex, Rectangle iconRect, Rectangle textRect, boolean isSelected) { if ( tabPane.hasFocus() && isSelected ) { Rectangle tabRect = rects[tabIndex]; boolean lastInRun = isLastInRun( tabIndex ); g.setColor( focus ); g.translate( tabRect.x, tabRect.y ); int right = tabRect.width - 1; int bottom = tabRect.height - 1; boolean leftToRight = MetalUtils.isLeftToRight(tabPane); switch ( tabPlacement ) { case RIGHT: g.drawLine( right - 6,2 , right - 2,6 ); // slant g.drawLine( 1,2 , right - 6,2 ); // top g.drawLine( right - 2,6 , right - 2,bottom ); // right g.drawLine( 1,2 , 1,bottom ); // left g.drawLine( 1,bottom , right - 2,bottom ); // bottom break; case BOTTOM: if ( leftToRight ) { g.drawLine( 2, bottom - 6, 6, bottom - 2 ); // slant g.drawLine( 6, bottom - 2, right, bottom - 2 ); // bottom g.drawLine( 2, 0, 2, bottom - 6 ); // left g.drawLine( 2, 0, right, 0 ); // top g.drawLine( right, 0, right, bottom - 2 ); // right } else { g.drawLine( right - 2, bottom - 6, right - 6, bottom - 2 ); // slant g.drawLine( right - 2, 0, right - 2, bottom - 6 ); // right if ( lastInRun ) { // last tab in run g.drawLine( 2, bottom - 2, right - 6, bottom - 2 ); // bottom g.drawLine( 2, 0, right - 2, 0 ); // top g.drawLine( 2, 0, 2, bottom - 2 ); // left } else { g.drawLine( 1, bottom - 2, right - 6, bottom - 2 ); // bottom g.drawLine( 1, 0, right - 2, 0 ); // top g.drawLine( 1, 0, 1, bottom - 2 ); // left } } break; case LEFT: g.drawLine( 2, 6, 6, 2 ); // slant g.drawLine( 2, 6, 2, bottom - 1); // left g.drawLine( 6, 2, right, 2 ); // top g.drawLine( right, 2, right, bottom - 1 ); // right g.drawLine( 2, bottom - 1, right, bottom - 1 ); // bottom break; case TOP: default: if ( leftToRight ) { g.drawLine( 2, 6, 6, 2 ); // slant g.drawLine( 2, 6, 2, bottom - 1); // left g.drawLine( 6, 2, right, 2 ); // top g.drawLine( right, 2, right, bottom - 1 ); // right g.drawLine( 2, bottom - 1, right, bottom - 1 ); // bottom } else { g.drawLine( right - 2, 6, right - 6, 2 ); // slant g.drawLine( right - 2, 6, right - 2, bottom - 1); // right if ( lastInRun ) { // last tab in run g.drawLine( right - 6, 2, 2, 2 ); // top g.drawLine( 2, 2, 2, bottom - 1 ); // left g.drawLine( right - 2, bottom - 1, 2, bottom - 1 ); // bottom } else { g.drawLine( right - 6, 2, 1, 2 ); // top g.drawLine( 1, 2, 1, bottom - 1 ); // left g.drawLine( right - 2, bottom - 1, 1, bottom - 1 ); // bottom } } } g.translate( -tabRect.x, -tabRect.y ); } } protected void paintContentBorderTopEdge( Graphics g, int tabPlacement, int selectedIndex, int x, int y, int w, int h ) { boolean leftToRight = MetalUtils.isLeftToRight(tabPane); int right = x + w - 1; Rectangle selRect = selectedIndex < 0? null : getTabBounds(selectedIndex, calcRect); if (ocean) { g.setColor(oceanSelectedBorderColor); } else { g.setColor(selectHighlight); } // Draw unbroken line if tabs are not on TOP, OR // selected tab is not in run adjacent to content, OR // selected tab is not visible (SCROLL_TAB_LAYOUT) // if (tabPlacement != TOP || selectedIndex < 0 || (selRect.y + selRect.height + 1 < y) || (selRect.x < x || selRect.x > x + w)) { g.drawLine(x, y, x+w-2, y); if (ocean && tabPlacement == TOP) { g.setColor(MetalLookAndFeel.getWhite()); g.drawLine(x, y + 1, x+w-2, y + 1); } } else { // Break line to show visual connection to selected tab boolean lastInRun = isLastInRun(selectedIndex); if ( leftToRight || lastInRun ) { g.drawLine(x, y, selRect.x + 1, y); } else { g.drawLine(x, y, selRect.x, y); } if (selRect.x + selRect.width < right - 1) { if ( leftToRight && !lastInRun ) { g.drawLine(selRect.x + selRect.width, y, right - 1, y); } else { g.drawLine(selRect.x + selRect.width - 1, y, right - 1, y); } } else { g.setColor(shadow); g.drawLine(x+w-2, y, x+w-2, y); } if (ocean) { g.setColor(MetalLookAndFeel.getWhite()); if ( leftToRight || lastInRun ) { g.drawLine(x, y + 1, selRect.x + 1, y + 1); } else { g.drawLine(x, y + 1, selRect.x, y + 1); } if (selRect.x + selRect.width < right - 1) { if ( leftToRight && !lastInRun ) { g.drawLine(selRect.x + selRect.width, y + 1, right - 1, y + 1); } else { g.drawLine(selRect.x + selRect.width - 1, y + 1, right - 1, y + 1); } } else { g.setColor(shadow); g.drawLine(x+w-2, y + 1, x+w-2, y + 1); } } } } protected void paintContentBorderBottomEdge(Graphics g, int tabPlacement, int selectedIndex, int x, int y, int w, int h) { boolean leftToRight = MetalUtils.isLeftToRight(tabPane); int bottom = y + h - 1; int right = x + w - 1; Rectangle selRect = selectedIndex < 0? null : getTabBounds(selectedIndex, calcRect); g.setColor(darkShadow); // Draw unbroken line if tabs are not on BOTTOM, OR // selected tab is not in run adjacent to content, OR // selected tab is not visible (SCROLL_TAB_LAYOUT) // if (tabPlacement != BOTTOM || selectedIndex < 0 || (selRect.y - 1 > h) || (selRect.x < x || selRect.x > x + w)) { if (ocean && tabPlacement == BOTTOM) { g.setColor(oceanSelectedBorderColor); } g.drawLine(x, y+h-1, x+w-1, y+h-1); } else { // Break line to show visual connection to selected tab boolean lastInRun = isLastInRun(selectedIndex); if (ocean) { g.setColor(oceanSelectedBorderColor); } if ( leftToRight || lastInRun ) { g.drawLine(x, bottom, selRect.x, bottom); } else { g.drawLine(x, bottom, selRect.x - 1, bottom); } if (selRect.x + selRect.width < x + w - 2) { if ( leftToRight && !lastInRun ) { g.drawLine(selRect.x + selRect.width, bottom, right, bottom); } else { g.drawLine(selRect.x + selRect.width - 1, bottom, right, bottom); } } } } protected void paintContentBorderLeftEdge(Graphics g, int tabPlacement, int selectedIndex, int x, int y, int w, int h) { Rectangle selRect = selectedIndex < 0? null : getTabBounds(selectedIndex, calcRect); if (ocean) { g.setColor(oceanSelectedBorderColor); } else { g.setColor(selectHighlight); } // Draw unbroken line if tabs are not on LEFT, OR // selected tab is not in run adjacent to content, OR // selected tab is not visible (SCROLL_TAB_LAYOUT) // if (tabPlacement != LEFT || selectedIndex < 0 || (selRect.x + selRect.width + 1 < x) || (selRect.y < y || selRect.y > y + h)) { g.drawLine(x, y + 1, x, y+h-2); if (ocean && tabPlacement == LEFT) { g.setColor(MetalLookAndFeel.getWhite()); g.drawLine(x + 1, y, x + 1, y + h - 2); } } else { // Break line to show visual connection to selected tab g.drawLine(x, y, x, selRect.y + 1); if (selRect.y + selRect.height < y + h - 2) { g.drawLine(x, selRect.y + selRect.height + 1, x, y+h+2); } if (ocean) { g.setColor(MetalLookAndFeel.getWhite()); g.drawLine(x + 1, y + 1, x + 1, selRect.y + 1); if (selRect.y + selRect.height < y + h - 2) { g.drawLine(x + 1, selRect.y + selRect.height + 1, x + 1, y+h+2); } } } } protected void paintContentBorderRightEdge(Graphics g, int tabPlacement, int selectedIndex, int x, int y, int w, int h) { Rectangle selRect = selectedIndex < 0? null : getTabBounds(selectedIndex, calcRect); g.setColor(darkShadow); // Draw unbroken line if tabs are not on RIGHT, OR // selected tab is not in run adjacent to content, OR // selected tab is not visible (SCROLL_TAB_LAYOUT) // if (tabPlacement != RIGHT || selectedIndex < 0 || (selRect.x - 1 > w) || (selRect.y < y || selRect.y > y + h)) { if (ocean && tabPlacement == RIGHT) { g.setColor(oceanSelectedBorderColor); } g.drawLine(x+w-1, y, x+w-1, y+h-1); } else { // Break line to show visual connection to selected tab if (ocean) { g.setColor(oceanSelectedBorderColor); } g.drawLine(x+w-1, y, x+w-1, selRect.y); if (selRect.y + selRect.height < y + h - 2) { g.drawLine(x+w-1, selRect.y + selRect.height, x+w-1, y+h-2); } } } protected int calculateMaxTabHeight( int tabPlacement ) { FontMetrics metrics = getFontMetrics(); int height = metrics.getHeight(); boolean tallerIcons = false; for ( int i = 0; i < tabPane.getTabCount(); ++i ) { Icon icon = tabPane.getIconAt( i ); if ( icon != null ) { if ( icon.getIconHeight() > height ) { tallerIcons = true; break; } } } return super.calculateMaxTabHeight( tabPlacement ) - (tallerIcons ? (tabInsets.top + tabInsets.bottom) : 0); } protected int getTabRunOverlay( int tabPlacement ) { // Tab runs laid out vertically should overlap // at least as much as the largest slant if ( tabPlacement == LEFT || tabPlacement == RIGHT ) { int maxTabHeight = calculateMaxTabHeight(tabPlacement); return maxTabHeight / 2; } return 0; } // Don't rotate runs! protected boolean shouldRotateTabRuns( int tabPlacement, int selectedRun ) { return false; } // Don't pad last run protected boolean shouldPadTabRun( int tabPlacement, int run ) { return runCount > 1 && run < runCount - 1; } private boolean isLastInRun( int tabIndex ) { int run = getRunForTab( tabPane.getTabCount(), tabIndex ); int lastIndex = lastTabInRun( tabPane.getTabCount(), run ); return tabIndex == lastIndex; } /** * Returns the color to use for the specified tab. */ private Color getUnselectedBackgroundAt(int index) { Color color = tabPane.getBackgroundAt(index); if (color instanceof UIResource) { if (unselectedBackground != null) { return unselectedBackground; } } return color; } /** * Returns the tab index of JTabbedPane the mouse is currently over */ int getRolloverTabIndex() { return getRolloverTab(); } /** * This class should be treated as a "protected" inner class. * Instantiate it only within subclasses of {@code MetalTabbedPaneUI}. */ public class TabbedPaneLayout extends BasicTabbedPaneUI.TabbedPaneLayout { public TabbedPaneLayout() { MetalTabbedPaneUI.this.super(); } protected void normalizeTabRuns( int tabPlacement, int tabCount, int start, int max ) { // Only normalize the runs for top & bottom; normalizing // doesn't look right for Metal's vertical tabs // because the last run isn't padded and it looks odd to have // fat tabs in the first vertical runs, but slimmer ones in the // last (this effect isn't noticeable for horizontal tabs). if ( tabPlacement == TOP || tabPlacement == BOTTOM ) { super.normalizeTabRuns( tabPlacement, tabCount, start, max ); } } // Don't rotate runs! protected void rotateTabRuns( int tabPlacement, int selectedRun ) { } // Don't pad selected tab protected void padSelectedTab( int tabPlacement, int selectedIndex ) { } } }