blob: 8b2be4cca78c97a177d1b173afa8220ca5cc18cb [file] [log] [blame]
/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.ide.ui.laf.darcula.ui;
import javax.swing.*;
import javax.swing.event.MouseInputAdapter;
import javax.swing.event.MouseInputListener;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicRootPaneUI;
import java.awt.*;
import java.awt.event.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
/**
* @author Konstantin Bulenkov
*/
public class DarculaRootPaneUI extends BasicRootPaneUI {
private Cursor myLastCursor;
private enum CursorState {EXITED, ENTERED, NIL}
private static final int CORNER_DRAG_WIDTH = 16;
private static final int BORDER_DRAG_THICKNESS = 5;
private Window myWindow;
private JComponent myTitlePane;
private MouseInputListener myMouseInputListener;
private MouseInputListener myTitleMouseInputListener;
private LayoutManager myLayoutManager;
private LayoutManager myOldLayout;
protected JRootPane myRootPane;
protected WindowListener myWindowListener;
protected Window myCurrentWindow;
protected HierarchyListener myHierarchyListener;
protected ComponentListener myWindowComponentListener;
protected GraphicsConfiguration currentRootPaneGC;
protected PropertyChangeListener myPropertyChangeListener;
@SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
public static ComponentUI createUI(JComponent comp) {
return new DarculaRootPaneUI();
}
@Override
public void installUI(JComponent c) {
super.installUI(c);
myRootPane = (JRootPane)c;
int style = myRootPane.getWindowDecorationStyle();
if (style != JRootPane.NONE) {
installClientDecorations(myRootPane);
}
}
@Override
public void uninstallUI(JComponent c) {
super.uninstallUI(c);
uninstallClientDecorations(myRootPane);
myLayoutManager = null;
myMouseInputListener = null;
myRootPane = null;
}
public void installBorder(JRootPane root) {
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
LookAndFeel.uninstallBorder(root);
}
else {
LookAndFeel.installBorder(root, "RootPane.border");
}
}
private static void uninstallBorder(JRootPane root) {
LookAndFeel.uninstallBorder(root);
}
private void installWindowListeners(JRootPane root, Component parent) {
if (parent instanceof Window) {
myWindow = (Window)parent;
}
else {
myWindow = SwingUtilities.getWindowAncestor(parent);
}
if (myWindow != null) {
if (myMouseInputListener == null) {
myMouseInputListener = createWindowMouseInputListener(root);
}
myWindow.addMouseListener(myMouseInputListener);
myWindow.addMouseMotionListener(myMouseInputListener);
if (myTitlePane != null) {
if (myTitleMouseInputListener == null) {
myTitleMouseInputListener = new TitleMouseInputHandler();
}
myTitlePane
.addMouseMotionListener(myTitleMouseInputListener);
myTitlePane
.addMouseListener(myTitleMouseInputListener);
}
setMaximized();
}
}
private void uninstallWindowListeners(JRootPane root) {
if (myWindow != null) {
myWindow.removeMouseListener(myMouseInputListener);
myWindow.removeMouseMotionListener(myMouseInputListener);
}
if (myTitlePane != null) {
myTitlePane.removeMouseListener(myTitleMouseInputListener);
myTitlePane.removeMouseMotionListener(myTitleMouseInputListener);
}
}
private void installLayout(JRootPane root) {
if (myLayoutManager == null) {
myLayoutManager = createLayoutManager();
}
myOldLayout = root.getLayout();
root.setLayout(myLayoutManager);
}
@Override
protected void installListeners(final JRootPane root) {
super.installListeners(root);
myHierarchyListener = new HierarchyListener() {
public void hierarchyChanged(HierarchyEvent e) {
Component parent = root.getParent();
if (parent == null) {
return;
}
if (parent.getClass().getName().startsWith("org.jdesktop.jdic.tray")
|| (parent.getClass().getName().compareTo("javax.swing.Popup$HeavyWeightWindow") == 0)) {
//noinspection SSBasedInspection
SwingUtilities.invokeLater(new Runnable() {
public void run() {
root.removeHierarchyListener(myHierarchyListener);
myHierarchyListener = null;
}
});
}
Window currWindow;
if (parent instanceof Window) {
currWindow = (Window)parent;
}
else {
currWindow = SwingUtilities.getWindowAncestor(parent);
}
if (myWindowListener != null) {
myCurrentWindow
.removeWindowListener(myWindowListener);
myWindowListener = null;
}
if (myWindowComponentListener != null) {
myCurrentWindow
.removeComponentListener(myWindowComponentListener);
myWindowComponentListener = null;
}
if (currWindow != null) {
myWindowListener = new WindowAdapter() {
@Override
public void windowClosed(WindowEvent e) {
//noinspection SSBasedInspection
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Frame[] frames = Frame.getFrames();
for (Frame frame : frames) {
if (frame.isDisplayable()) {
return;
}
}
}
});
}
};
if (!(parent instanceof JInternalFrame)) {
currWindow.addWindowListener(myWindowListener);
}
myWindowComponentListener = new ComponentAdapter() {
@Override
public void componentMoved(ComponentEvent e) {
processNewPosition();
}
@Override
public void componentResized(ComponentEvent e) {
processNewPosition();
}
private void processNewPosition() {
//noinspection SSBasedInspection
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (myWindow == null) {
return;
}
if (!myWindow.isShowing()
|| !myWindow.isDisplayable()) {
currentRootPaneGC = null;
return;
}
GraphicsEnvironment ge = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsDevice[] gds = ge
.getScreenDevices();
if (gds.length == 1) {
return;
}
Point midLoc = new Point(myWindow.getLocationOnScreen().x + myWindow.getWidth() / 2,
myWindow.getLocationOnScreen().y + myWindow.getHeight() / 2);
for (GraphicsDevice gd : gds) {
GraphicsConfiguration gc = gd.getDefaultConfiguration();
Rectangle bounds = gc.getBounds();
if (bounds.contains(midLoc)) {
if (gc != currentRootPaneGC) {
currentRootPaneGC = gc;
setMaximized();
}
break;
}
}
}
});
}
};
if (parent instanceof JFrame) {
currWindow.addComponentListener(myWindowComponentListener);
}
myWindow = currWindow;
}
myCurrentWindow = currWindow;
}
};
root.addHierarchyListener(myHierarchyListener);
root.addPropertyChangeListener(myPropertyChangeListener);
}
@Override
protected void uninstallListeners(JRootPane root) {
if (myWindow != null) {
myWindow.removeWindowListener(myWindowListener);
myWindowListener = null;
myWindow
.removeComponentListener(myWindowComponentListener);
myWindowComponentListener = null;
}
root.removeHierarchyListener(myHierarchyListener);
myHierarchyListener = null;
root.removePropertyChangeListener(myPropertyChangeListener);
myPropertyChangeListener = null;
super.uninstallListeners(root);
}
/**
* Uninstalls the previously installed <code>LayoutManager</code>.
*
* @param root Root pane.
*/
private void uninstallLayout(JRootPane root) {
if (myOldLayout != null) {
root.setLayout(myOldLayout);
myOldLayout = null;
}
}
/**
* Installs the necessary state onto the JRootPane to render client
* decorations. This is ONLY invoked if the <code>JRootPane</code> has a
* decoration style other than <code>JRootPane.NONE</code>.
*
* @param root Root pane.
*/
private void installClientDecorations(JRootPane root) {
installBorder(root);
JComponent titlePane = createTitlePane(root);
setTitlePane(root, titlePane);
installWindowListeners(root, root.getParent());
installLayout(root);
if (myWindow != null) {
root.revalidate();
root.repaint();
}
}
private void uninstallClientDecorations(JRootPane root) {
uninstallBorder(root);
uninstallWindowListeners(root);
setTitlePane(root, null);
uninstallLayout(root);
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
root.repaint();
root.revalidate();
}
if (myWindow != null) {
myWindow.setCursor(Cursor
.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
myWindow = null;
}
protected JComponent createTitlePane(JRootPane root) {
return new DarculaTitlePane(root, this);
}
private MouseInputListener createWindowMouseInputListener(JRootPane root) {
return new MouseInputHandler();
}
protected LayoutManager createLayoutManager() {
return new SubstanceRootLayout();
}
private void setTitlePane(JRootPane root, JComponent titlePane) {
JLayeredPane layeredPane = root.getLayeredPane();
JComponent oldTitlePane = getTitlePane();
if (oldTitlePane != null) {
layeredPane.remove(oldTitlePane);
}
if (titlePane != null) {
layeredPane.add(titlePane, JLayeredPane.FRAME_CONTENT_LAYER);
titlePane.setVisible(true);
}
myTitlePane = titlePane;
}
public void setMaximized() {
Component tla = myRootPane.getTopLevelAncestor();
GraphicsConfiguration gc = (currentRootPaneGC != null) ? currentRootPaneGC
: tla.getGraphicsConfiguration();
Rectangle screenBounds = gc.getBounds();
screenBounds.x = 0;
screenBounds.y = 0;
Insets screenInsets = Toolkit.getDefaultToolkit().getScreenInsets(gc);
Rectangle maxBounds = new Rectangle(
(screenBounds.x + screenInsets.left),
(screenBounds.y + screenInsets.top), screenBounds.width
- ((screenInsets.left + screenInsets.right)),
screenBounds.height
- ((screenInsets.top + screenInsets.bottom)));
if (tla instanceof JFrame) {
((JFrame)tla).setMaximizedBounds(maxBounds);
}
}
public JComponent getTitlePane() {
return myTitlePane;
}
protected JRootPane getRootPane() {
return myRootPane;
}
@Override
public void propertyChange(PropertyChangeEvent e) {
super.propertyChange(e);
String propertyName = e.getPropertyName();
if (propertyName == null) {
return;
}
if (propertyName.equals("windowDecorationStyle")) {
JRootPane root = (JRootPane)e.getSource();
int style = root.getWindowDecorationStyle();
uninstallClientDecorations(root);
if (style != JRootPane.NONE) {
installClientDecorations(root);
}
}
if (propertyName.equals("ancestor")) {
uninstallWindowListeners(myRootPane);
if (((JRootPane)e.getSource()).getWindowDecorationStyle() != JRootPane.NONE) {
installWindowListeners(myRootPane, myRootPane.getParent());
}
}
}
protected class SubstanceRootLayout implements LayoutManager2 {
public Dimension preferredLayoutSize(Container parent) {
Dimension cpd, mbd, tpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 0;
int tpHeight = 0;
Insets i = parent.getInsets();
JRootPane root = (JRootPane)parent;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getPreferredSize();
}
else {
cpd = root.getSize();
}
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
if (root.getJMenuBar() != null) {
mbd = root.getJMenuBar().getPreferredSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if ((root.getWindowDecorationStyle() != JRootPane.NONE)
&& (root.getUI() instanceof DarculaRootPaneUI)) {
JComponent titlePane = ((DarculaRootPaneUI)root.getUI()).getTitlePane();
if (titlePane != null) {
tpd = titlePane.getPreferredSize();
if (tpd != null) {
tpWidth = tpd.width;
tpHeight = tpd.height;
}
}
}
return new Dimension(Math.max(Math.max(cpWidth, mbWidth), tpWidth)
+ i.left + i.right, cpHeight + mbHeight + tpHeight + i.top
+ i.bottom);
}
public Dimension minimumLayoutSize(Container parent) {
Dimension cpd, mbd, tpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 0;
int tpHeight = 0;
Insets i = parent.getInsets();
JRootPane root = (JRootPane)parent;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getMinimumSize();
}
else {
cpd = root.getSize();
}
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
if (root.getJMenuBar() != null) {
mbd = root.getJMenuBar().getMinimumSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if ((root.getWindowDecorationStyle() != JRootPane.NONE)
&& (root.getUI() instanceof DarculaRootPaneUI)) {
JComponent titlePane = ((DarculaRootPaneUI)root.getUI())
.getTitlePane();
if (titlePane != null) {
tpd = titlePane.getMinimumSize();
if (tpd != null) {
tpWidth = tpd.width;
tpHeight = tpd.height;
}
}
}
return new Dimension(Math.max(Math.max(cpWidth, mbWidth), tpWidth)
+ i.left + i.right, cpHeight + mbHeight + tpHeight + i.top
+ i.bottom);
}
public Dimension maximumLayoutSize(Container target) {
Dimension cpd, mbd, tpd;
int cpWidth = Integer.MAX_VALUE;
int cpHeight = Integer.MAX_VALUE;
int mbWidth = Integer.MAX_VALUE;
int mbHeight = Integer.MAX_VALUE;
int tpWidth = Integer.MAX_VALUE;
int tpHeight = Integer.MAX_VALUE;
Insets i = target.getInsets();
JRootPane root = (JRootPane)target;
if (root.getContentPane() != null) {
cpd = root.getContentPane().getMaximumSize();
if (cpd != null) {
cpWidth = cpd.width;
cpHeight = cpd.height;
}
}
if (root.getJMenuBar() != null) {
mbd = root.getJMenuBar().getMaximumSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if ((root.getWindowDecorationStyle() != JRootPane.NONE)
&& (root.getUI() instanceof DarculaRootPaneUI)) {
JComponent titlePane = ((DarculaRootPaneUI)root.getUI())
.getTitlePane();
if (titlePane != null) {
tpd = titlePane.getMaximumSize();
if (tpd != null) {
tpWidth = tpd.width;
tpHeight = tpd.height;
}
}
}
int maxHeight = Math.max(Math.max(cpHeight, mbHeight), tpHeight);
if (maxHeight != Integer.MAX_VALUE) {
maxHeight = cpHeight + mbHeight + tpHeight + i.top + i.bottom;
}
int maxWidth = Math.max(Math.max(cpWidth, mbWidth), tpWidth);
if (maxWidth != Integer.MAX_VALUE) {
maxWidth += i.left + i.right;
}
return new Dimension(maxWidth, maxHeight);
}
public void layoutContainer(Container parent) {
JRootPane root = (JRootPane)parent;
Rectangle b = root.getBounds();
Insets i = root.getInsets();
int nextY = 0;
int w = b.width - i.right - i.left;
int h = b.height - i.top - i.bottom;
if (root.getLayeredPane() != null) {
root.getLayeredPane().setBounds(i.left, i.top, w, h);
}
if (root.getGlassPane() != null) {
root.getGlassPane().setBounds(i.left, i.top, w, h);
}
if ((root.getWindowDecorationStyle() != JRootPane.NONE)
&& (root.getUI() instanceof DarculaRootPaneUI)) {
JComponent titlePane = ((DarculaRootPaneUI)root.getUI())
.getTitlePane();
if (titlePane != null) {
Dimension tpd = titlePane.getPreferredSize();
if (tpd != null) {
int tpHeight = tpd.height;
titlePane.setBounds(0, 0, w, tpHeight);
nextY += tpHeight;
}
}
}
if (root.getJMenuBar() != null) {
Dimension mbd = root.getJMenuBar().getPreferredSize();
root.getJMenuBar().setBounds(0, nextY, w, mbd.height);
nextY += mbd.height;
}
if (root.getContentPane() != null) {
root.getContentPane().setBounds(0, nextY, w, h < nextY ? 0 : h - nextY);
}
}
public void addLayoutComponent(String name, Component comp) {
}
public void removeLayoutComponent(Component comp) {
}
public void addLayoutComponent(Component comp, Object constraints) {
}
public float getLayoutAlignmentX(Container target) {
return 0.0f;
}
public float getLayoutAlignmentY(Container target) {
return 0.0f;
}
public void invalidateLayout(Container target) {
}
}
private static final int[] cursorMapping = new int[]{
Cursor.NW_RESIZE_CURSOR, Cursor.NW_RESIZE_CURSOR,
Cursor.N_RESIZE_CURSOR, Cursor.NE_RESIZE_CURSOR,
Cursor.NE_RESIZE_CURSOR, Cursor.NW_RESIZE_CURSOR, 0, 0, 0,
Cursor.NE_RESIZE_CURSOR, Cursor.W_RESIZE_CURSOR, 0, 0, 0,
Cursor.E_RESIZE_CURSOR, Cursor.SW_RESIZE_CURSOR, 0, 0, 0,
Cursor.SE_RESIZE_CURSOR, Cursor.SW_RESIZE_CURSOR,
Cursor.SW_RESIZE_CURSOR, Cursor.S_RESIZE_CURSOR,
Cursor.SE_RESIZE_CURSOR, Cursor.SE_RESIZE_CURSOR};
private class MouseInputHandler implements MouseInputListener {
private boolean isMovingWindow;
private int dragCursor;
private int dragOffsetX;
private int dragOffsetY;
private int dragWidth;
private int dragHeight;
@SuppressWarnings("unchecked")
private final PrivilegedExceptionAction getLocationAction = new PrivilegedExceptionAction() {
public Object run() throws HeadlessException {
return MouseInfo.getPointerInfo().getLocation();
}
};
public void mousePressed(MouseEvent ev) {
JRootPane rootPane = getRootPane();
if (rootPane.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Point dragWindowOffset = ev.getPoint();
Window w = (Window)ev.getSource();
if (w != null) {
w.toFront();
}
Point convertedDragWindowOffset = SwingUtilities.convertPoint(w, dragWindowOffset, getTitlePane());
Frame f = null;
Dialog d = null;
if (w instanceof Frame) {
f = (Frame)w;
}
else if (w instanceof Dialog) {
d = (Dialog)w;
}
int frameState = (f != null) ? f.getExtendedState() : 0;
if ((getTitlePane() != null)
&& getTitlePane().contains(
convertedDragWindowOffset)) {
if ((((f != null) && ((frameState & Frame.MAXIMIZED_BOTH) == 0)) || (d != null))
&& (dragWindowOffset.y >= BORDER_DRAG_THICKNESS)
&& (dragWindowOffset.x >= BORDER_DRAG_THICKNESS)
&& (dragWindowOffset.x < w.getWidth() - BORDER_DRAG_THICKNESS)) {
isMovingWindow = true;
dragOffsetX = dragWindowOffset.x;
dragOffsetY = dragWindowOffset.y;
}
}
else if (((f != null) && f.isResizable() && ((frameState & Frame.MAXIMIZED_BOTH) == 0))
|| ((d != null) && d.isResizable())) {
dragOffsetX = dragWindowOffset.x;
dragOffsetY = dragWindowOffset.y;
dragWidth = w.getWidth();
dragHeight = w.getHeight();
dragCursor = getCursor(calculateCorner(w,
dragWindowOffset.x, dragWindowOffset.y));
}
}
public void mouseReleased(MouseEvent ev) {
if ((dragCursor != 0)
&& (myWindow != null)
&& !myWindow.isValid()) {
myWindow.validate();
getRootPane().repaint();
}
isMovingWindow = false;
dragCursor = 0;
}
public void mouseMoved(MouseEvent ev) {
JRootPane root = getRootPane();
if (root.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Window w = (Window)ev.getSource();
Frame f = null;
Dialog d = null;
if (w instanceof Frame) {
f = (Frame)w;
}
else if (w instanceof Dialog) {
d = (Dialog)w;
}
int cursor = getCursor(calculateCorner(w, ev.getX(), ev.getY()));
if ((cursor != 0)
&& (((f != null) && (f.isResizable() && ((f.getExtendedState() & Frame.MAXIMIZED_BOTH) == 0)))
|| ((d != null) && d.isResizable()))) {
w.setCursor(Cursor.getPredefinedCursor(cursor));
}
else {
w.setCursor(myLastCursor);
}
}
private void adjust(Rectangle bounds, Dimension min, int deltaX,
int deltaY, int deltaWidth, int deltaHeight) {
bounds.x += deltaX;
bounds.y += deltaY;
bounds.width += deltaWidth;
bounds.height += deltaHeight;
if (min != null) {
if (bounds.width < min.width) {
int correction = min.width - bounds.width;
if (deltaX != 0) {
bounds.x -= correction;
}
bounds.width = min.width;
}
if (bounds.height < min.height) {
int correction = min.height - bounds.height;
if (deltaY != 0) {
bounds.y -= correction;
}
bounds.height = min.height;
}
}
}
@SuppressWarnings("unchecked")
public void mouseDragged(MouseEvent ev) {
Window w = (Window)ev.getSource();
Point pt = ev.getPoint();
if (isMovingWindow) {
Point windowPt;
try {
windowPt = (Point)AccessController
.doPrivileged(getLocationAction);
windowPt.x = windowPt.x - dragOffsetX;
windowPt.y = windowPt.y - dragOffsetY;
w.setLocation(windowPt);
}
catch (PrivilegedActionException e) {
}
}
else if (dragCursor != 0) {
Rectangle r = w.getBounds();
Rectangle startBounds = new Rectangle(r);
Dimension min = w.getMinimumSize();
switch (dragCursor) {
case Cursor.E_RESIZE_CURSOR:
adjust(r, min, 0, 0, pt.x
+ (dragWidth - dragOffsetX) - r.width, 0);
break;
case Cursor.S_RESIZE_CURSOR:
adjust(r, min, 0, 0, 0, pt.y
+ (dragHeight - dragOffsetY) - r.height);
break;
case Cursor.N_RESIZE_CURSOR:
adjust(r, min, 0, pt.y - dragOffsetY, 0,
-(pt.y - dragOffsetY));
break;
case Cursor.W_RESIZE_CURSOR:
adjust(r, min, pt.x - dragOffsetX, 0,
-(pt.x - dragOffsetX), 0);
break;
case Cursor.NE_RESIZE_CURSOR:
adjust(r, min, 0, pt.y - dragOffsetY, pt.x
+ (dragWidth - dragOffsetX) - r.width,
-(pt.y - dragOffsetY));
break;
case Cursor.SE_RESIZE_CURSOR:
adjust(r, min, 0, 0, pt.x
+ (dragWidth - dragOffsetX) - r.width,
pt.y + (dragHeight - dragOffsetY)
- r.height);
break;
case Cursor.NW_RESIZE_CURSOR:
adjust(r, min, pt.x - dragOffsetX, pt.y
- dragOffsetY, -(pt.x - dragOffsetX),
-(pt.y - dragOffsetY));
break;
case Cursor.SW_RESIZE_CURSOR:
adjust(r, min, pt.x - dragOffsetX, 0,
-(pt.x - dragOffsetX), pt.y
+ (dragHeight - dragOffsetY)
- r.height);
break;
default:
break;
}
if (!r.equals(startBounds)) {
w.setBounds(r);
if (Toolkit.getDefaultToolkit().isDynamicLayoutActive()) {
w.validate();
getRootPane().repaint();
}
}
}
}
private CursorState cursorState = CursorState.NIL;
public void mouseEntered(MouseEvent ev) {
Window w = (Window)ev.getSource();
if (cursorState == CursorState.EXITED || cursorState == CursorState.NIL) {
myLastCursor = w.getCursor();
}
cursorState = CursorState.ENTERED;
mouseMoved(ev);
}
public void mouseExited(MouseEvent ev) {
Window w = (Window)ev.getSource();
w.setCursor(myLastCursor);
cursorState = CursorState.EXITED;
}
public void mouseClicked(MouseEvent ev) {
Window w = (Window)ev.getSource();
Frame f;
if (w instanceof Frame) {
f = (Frame)w;
}
else {
return;
}
JComponent windowTitlePane = getTitlePane();
if (windowTitlePane == null) {
return;
}
Point convertedPoint = SwingUtilities.convertPoint(w, ev.getPoint(), windowTitlePane);
int state = f.getExtendedState();
if (windowTitlePane.contains(convertedPoint)) {
if (((ev.getClickCount() % 2) == 0)
&& ((ev.getModifiers() & InputEvent.BUTTON1_MASK) != 0)) {
if (f.isResizable()) {
if ((state & Frame.MAXIMIZED_BOTH) != 0) {
setMaximized();
f.setExtendedState(state & ~Frame.MAXIMIZED_BOTH);
}
else {
setMaximized();
f.setExtendedState(state | Frame.MAXIMIZED_BOTH);
}
}
}
}
}
private int calculateCorner(Window w, int x, int y) {
Insets insets = w.getInsets();
int xPosition = calculatePosition(x - insets.left, w
.getWidth()
- insets.left - insets.right);
int yPosition = calculatePosition(y - insets.top, w
.getHeight()
- insets.top - insets.bottom);
if ((xPosition == -1) || (yPosition == -1)) {
return -1;
}
return yPosition * 5 + xPosition;
}
private int getCursor(int corner) {
if (corner == -1) {
return 0;
}
return cursorMapping[corner];
}
private int calculatePosition(int spot, int width) {
if (spot < BORDER_DRAG_THICKNESS) {
return 0;
}
if (spot < CORNER_DRAG_WIDTH) {
return 1;
}
if (spot >= (width - BORDER_DRAG_THICKNESS)) {
return 4;
}
if (spot >= (width - CORNER_DRAG_WIDTH)) {
return 3;
}
return 2;
}
}
private class TitleMouseInputHandler extends MouseInputAdapter {
private Point dragOffset = new Point(0, 0);
@Override
public void mousePressed(MouseEvent ev) {
JRootPane rootPane = getRootPane();
if (rootPane.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Point dragWindowOffset = ev.getPoint();
Component source = (Component)ev.getSource();
Point convertedDragWindowOffset = SwingUtilities.convertPoint(
source, dragWindowOffset, getTitlePane());
dragWindowOffset = SwingUtilities.convertPoint(source, dragWindowOffset, myWindow);
if (getTitlePane() != null && getTitlePane().contains(convertedDragWindowOffset)) {
if (myWindow != null) {
myWindow.toFront();
dragOffset = dragWindowOffset;
}
}
}
@Override
public void mouseDragged(MouseEvent ev) {
Component source = (Component)ev.getSource();
Point eventLocationOnScreen = ev.getLocationOnScreen();
if (eventLocationOnScreen == null) {
eventLocationOnScreen = new Point(ev.getX() + source.getLocationOnScreen().x, ev.getY() + source.getLocationOnScreen().y);
}
if (myWindow instanceof Frame) {
Frame f = (Frame)myWindow;
int frameState = f.getExtendedState();
if (((frameState & Frame.MAXIMIZED_BOTH) == 0)) {
myWindow.setLocation(eventLocationOnScreen.x - dragOffset.x, eventLocationOnScreen.y - dragOffset.y);
}
}
else {
myWindow.setLocation(eventLocationOnScreen.x - dragOffset.x, eventLocationOnScreen.y - dragOffset.y);
}
}
@Override
public void mouseClicked(MouseEvent e) {
Frame f;
if (myWindow instanceof Frame) {
f = (Frame)myWindow;
}
else {
return;
}
Point convertedPoint = SwingUtilities.convertPoint(myWindow, e.getPoint(), getTitlePane());
int state = f.getExtendedState();
if ((getTitlePane() != null) && getTitlePane().contains(convertedPoint)) {
if (((e.getClickCount() % 2) == 0) && ((e.getModifiers() & InputEvent.BUTTON1_MASK) != 0)) {
if (f.isResizable()) {
if ((state & Frame.MAXIMIZED_BOTH) != 0) {
setMaximized();
f.setExtendedState(state & ~Frame.MAXIMIZED_BOTH);
}
else {
setMaximized();
f.setExtendedState(state | Frame.MAXIMIZED_BOTH);
}
}
}
}
}
}
}