/**
* Overrides <code>JComponent.removeNotify</code> to check if this button is currently set as the
* default button on the <code>RootPane</code>, and if so, sets the <code>RootPane</code>'s
* default button to <code>null</code> to ensure the <code>RootPane</code> doesn't hold onto an
* invalid button reference.
*/
public void removeNotify() {
JRootPane root = SwingUtilities.getRootPane(this);
if (root != null && root.getDefaultButton() == this) {
root.setDefaultButton(null);
}
super.removeNotify();
}
/**
* Returns the minimum amount of space the layout needs.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's minimum size
*/
public Dimension minimumLayoutSize(Container parent) {
Dimension cpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 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;
}
return new Dimension(
Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
cpHeight + mbHeight + tpWidth + i.top + i.bottom);
}
/**
* Returns the maximum amount of space the layout can use.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's maximum size
*/
public Dimension maximumLayoutSize(Container target) {
Dimension cpd;
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;
}
}
int maxHeight = Math.max(Math.max(cpHeight, mbHeight), tpHeight);
// Only overflows if 3 real non-MAX_VALUE heights, sum to > MAX_VALUE
// Only will happen if sums to more than 2 billion units. Not likely.
if (maxHeight != Integer.MAX_VALUE) {
maxHeight = cpHeight + mbHeight + tpHeight + i.top + i.bottom;
}
int maxWidth = Math.max(Math.max(cpWidth, mbWidth), tpWidth);
// Similar overflow comment as above
if (maxWidth != Integer.MAX_VALUE) {
maxWidth += i.left + i.right;
}
return new Dimension(maxWidth, maxHeight);
}
/**
* Installs the appropriate LayoutManager on the <code>JRootPane</code> to render the window
* decorations.
*/
private void installLayout(JRootPane root) {
if (layoutManager == null) {
layoutManager = createLayoutManager();
}
savedOldLayout = root.getLayout();
root.setLayout(layoutManager);
}
/**
* Invoked when a property changes. <code>MetalRootPaneUI</code> is primarily interested in events
* originating from the <code>JRootPane</code> it has been installed on identifying the property
* <code>windowDecorationStyle</code>. If the <code>windowDecorationStyle</code> has changed to a
* value other than <code>JRootPane.NONE</code>, this will add a <code>Component</code> to the
* <code>JRootPane</code> to render the window decorations, as well as installing a <code>Border
* </code> on the <code>JRootPane</code>. On the other hand, if the <code>windowDecorationStyle
* </code> has changed to <code>JRootPane.NONE</code>, this will remove the <code>Component</code>
* that has been added to the <code>JRootPane</code> as well resetting the Border to what it was
* before <code>installUI</code> was invoked.
*
* @param e A PropertyChangeEvent object describing the event source and the property that has
* changed.
*/
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();
// This is potentially more than needs to be done,
// but it rarely happens and makes the install/uninstall process
// simpler. MetalTitlePane also assumes it will be recreated if
// the decoration style changes.
uninstallClientDecorations(root);
if (style != JRootPane.NONE) {
installClientDecorations(root);
}
} else if (propertyName.equals("ancestor")) {
uninstallWindowListeners(root);
if (((JRootPane) e.getSource()).getWindowDecorationStyle() != JRootPane.NONE) {
installWindowListeners(root, root.getParent());
}
}
return;
}
/**
* Gets the value of the <code>defaultButton</code> property, which if <code>true</code> means
* that this button is the current default button for its <code>JRootPane</code>. Most look and
* feels render the default button differently, and may potentially provide bindings to access the
* default button.
*
* @return the value of the <code>defaultButton</code> property
* @see JRootPane#setDefaultButton
* @see #isDefaultCapable
* @beaninfo description: Whether or not this button is the default button
*/
public boolean isDefaultButton() {
JRootPane root = SwingUtilities.getRootPane(this);
if (root != null) {
return root.getDefaultButton() == this;
}
return false;
}
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;
}
// Update the cursor
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(lastCursor);
}
}
private static boolean isHintsAllowed(Window window) {
if (window instanceof RootPaneContainer) {
final JRootPane pane = ((RootPaneContainer) window).getRootPane();
if (pane != null) {
return Boolean.TRUE.equals(pane.getClientProperty(AbstractPopup.SHOW_HINTS));
}
}
return false;
}
/** Installs the appropriate <code>Border</code> onto the <code>JRootPane</code>. */
void installBorder(JRootPane root) {
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
LookAndFeel.uninstallBorder(root);
} else {
root.setBorder(new RootPaneBorder());
}
}
/** Called by the constructor methods to create the default rootPane. */
protected JRootPane createRootPane() {
JRootPane rp = new JRootPane();
// NOTE: this uses setOpaque vs LookAndFeel.installProperty as there
// is NO reason for the RootPane not to be opaque. For painting to
// work the contentPane must be opaque, therefor the RootPane can
// also be opaque.
rp.setOpaque(true);
return rp;
}
@Override
public void setWindowShadow(Window window, WindowShadowMode mode) {
if (window instanceof JWindow) {
JRootPane root = ((JWindow) window).getRootPane();
root.putClientProperty(
"Window.shadow", mode == WindowShadowMode.DISABLED ? Boolean.FALSE : Boolean.TRUE);
root.putClientProperty("Window.style", mode == WindowShadowMode.SMALL ? "small" : null);
}
}
/**
* If inputComponent is non-null, the focus is requested on that, otherwise request focus on the
* default value
*/
public void selectInitialValue(JOptionPane op) {
if (inputComponent != null) inputComponent.requestFocus();
else {
if (initialFocusComponent != null) initialFocusComponent.requestFocus();
if (initialFocusComponent instanceof JButton) {
JRootPane root = SwingUtilities.getRootPane(initialFocusComponent);
if (root != null) {
root.setDefaultButton((JButton) initialFocusComponent);
}
}
}
}
/**
* 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>.
*/
private void installClientDecorations(JRootPane root) {
installBorder(root);
JComponent titlePane = createTitlePane(root);
setTitlePane(root, titlePane);
installWindowListeners(root, root.getParent());
installLayout(root);
if (window != null) {
root.revalidate();
root.repaint();
}
}
/**
* Called by the browser or applet viewer to inform this JApplet that it has been loaded into the
* system. It is always called before the first time that the start method is called.
*/
public void init() {
// this is a workaround for a security conflict with some browsers
// including some versions of Netscape & Internet Explorer which do
// not allow access to the AWT system event queue which JApplets do
// on startup to check access. May not be necessary with your browser.
JRootPane rootPane = this.getRootPane();
rootPane.putClientProperty("defeatSystemEventQueueCheck", Boolean.TRUE);
setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10));
b1 = new Button("Choose this card");
add(b1);
b1.addActionListener(this);
// provide any initialisation necessary for your JApplet
}
private static JPanel createPanel(JFrame frame) {
JPanel panel = new JPanel();
JButton button = new JButton("Button");
JButton button2 = new JButton("Button 2");
JButton button3 = new JButton("Button 3");
JRootPane root = frame.getRootPane();
root.setDefaultButton(button);
panel.add(button);
panel.add(button2);
panel.add(button3);
return panel;
}
protected void show0() {
JRootPane rp = null;
if (getOwner() instanceof JFrame) {
rp = ((JFrame) getOwner()).getRootPane();
} else if (getOwner() instanceof JDialog) {
rp = ((JDialog) getOwner()).getRootPane();
}
if (rp != null && !isDocumentModalitySupported() && !isExperimentalSheet()) {
ownersGlassPane = rp.getGlassPane();
JPanel blockingPanel = new JPanel();
blockingPanel.setOpaque(false);
rp.setGlassPane(blockingPanel);
blockingPanel.setVisible(true);
}
super.show();
}
/**
* Invokes supers implementation of <code>installUI</code> to install the necessary state onto the
* passed in <code>JRootPane</code> to render the metal look and feel implementation of <code>
* RootPaneUI</code>. If the <code>windowDecorationStyle</code> property of the <code>JRootPane
* </code> is other than <code>JRootPane.NONE</code>, this will add a custom <code>Component
* </code> to render the widgets to <code>JRootPane</code>, as well as installing a custom <code>
* Border</code> and <code>LayoutManager</code> on the <code>JRootPane</code>.
*
* @param c the JRootPane to install state onto
*/
public void installUI(JComponent c) {
super.installUI(c);
root = (JRootPane) c;
int style = root.getWindowDecorationStyle();
if (style != JRootPane.NONE) {
installClientDecorations(root);
}
}
protected void hide0() {
JRootPane rp = null;
if (getOwner() instanceof JFrame) {
rp = ((JFrame) getOwner()).getRootPane();
} else if (getOwner() instanceof JDialog) {
rp = ((JDialog) getOwner()).getRootPane();
}
if (rp != null && !isDocumentModalitySupported() && !isExperimentalSheet()) {
Component blockingComponent = rp.getGlassPane();
blockingComponent.setVisible(false);
if (ownersGlassPane != null) {
rp.setGlassPane(ownersGlassPane);
ownersGlassPane = null;
}
}
super.hide();
}
/**
* Returns the amount of space the layout would like to have.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's preferred size
*/
public Dimension preferredLayoutSize(Container parent) {
Dimension cpd, tpd;
int cpWidth = 0;
int cpHeight = 0;
int mbWidth = 0;
int mbHeight = 0;
int tpWidth = 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.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof RootPaneUI)) {
JComponent titlePane = ((RootPaneUI) root.getUI()).getTitlePane();
if (titlePane != null) {
tpd = titlePane.getPreferredSize();
if (tpd != null) {
tpWidth = tpd.width;
}
}
}
return new Dimension(
Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
cpHeight + mbHeight + tpWidth + i.top + i.bottom);
}
/** Installs the appropriate <code>Border</code> onto the <code>JRootPane</code>. */
void installBorder(JRootPane root) {
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
LookAndFeel.uninstallBorder(root);
} else {
LookAndFeel.installBorder(root, borderKeys[style]);
}
}
@Override
public void setGlassPane(final Component glass) {
if (myGlassPaneIsSet) {
LOG.warn("Setting of glass pane for DialogWrapper is prohibited", new Exception());
return;
}
super.setGlassPane(glass);
}
/**
* Returns the maximum amount of space the layout can use.
*
* @param the Container for which this layout manager is being used
* @return a Dimension object containing the layout's maximum size
*/
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.getMenuBar() != null) {
mbd = root.getMenuBar().getMaximumSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if (root.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof HokageRootPaneUI)) {
JComponent titlePane = ((HokageRootPaneUI) 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);
// Only overflows if 3 real non-MAX_VALUE heights, sum to > MAX_VALUE
// Only will happen if sums to more than 2 billion units. Not likely.
if (maxHeight != Integer.MAX_VALUE) {
maxHeight = cpHeight + mbHeight + tpHeight + i.top + i.bottom;
}
int maxWidth = Math.max(Math.max(cpWidth, mbWidth), tpWidth);
// Similar overflow comment as above
if (maxWidth != Integer.MAX_VALUE) {
maxWidth += i.left + i.right;
}
return new Dimension(maxWidth, maxHeight);
}
public void cancel(InputEvent e) {
if (isDisposed()) return;
if (myPopup != null) {
if (!canClose()) {
return;
}
storeDimensionSize(myContent.getSize());
if (myUseDimServiceForXYLocation) {
final JRootPane root = myComponent.getRootPane();
if (root != null) {
final Container popupWindow = root.getParent();
if (popupWindow != null && popupWindow.isShowing()) {
storeLocation(popupWindow.getLocationOnScreen());
}
}
}
if (e instanceof MouseEvent) {
IdeEventQueue.getInstance().blockNextEvents(((MouseEvent) e));
}
myPopup.hide(false);
if (ApplicationManagerEx.getApplicationEx() != null) {
StackingPopupDispatcher.getInstance().onPopupHidden(this);
}
if (myInStack) {
myFocusTrackback.setForcedRestore(!myOk && myFocusable);
myFocusTrackback.restoreFocus();
}
disposePopup();
if (myListeners != null) {
for (JBPopupListener each : myListeners) {
each.onClosed(new LightweightWindowEvent(this, myOk));
}
}
}
Disposer.dispose(this, false);
}
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));
}
}
/**
* Returns a string representation of this JApplet. This method is intended to be used only for
* debugging purposes, and the content and format of the returned string may vary between
* implementations. The returned string may be empty but may not be <code>null</code>.
*
* @return a string representation of this JApplet.
*/
protected String paramString() {
String rootPaneString = (rootPane != null ? rootPane.toString() : "");
String rootPaneCheckingEnabledString = (rootPaneCheckingEnabled ? "true" : "false");
return super.paramString()
+ ",rootPane="
+ rootPaneString
+ ",rootPaneCheckingEnabled="
+ rootPaneCheckingEnabledString;
}
/**
* Uninstalls any state that <code>installClientDecorations</code> has installed.
*
* <p>NOTE: This may be called if you haven't installed client decorations yet (ie before <code>
* installClientDecorations</code> has been invoked).
*/
private void uninstallClientDecorations(JRootPane root) {
uninstallBorder(root);
uninstallWindowListeners(root);
setTitlePane(root, null);
uninstallLayout(root);
// We have to revalidate/repaint root if the style is JRootPane.NONE
// only. When we needs to call revalidate/repaint with other styles
// the installClientDecorations is always called after this method
// imediatly and it will cause the revalidate/repaint at the proper
// time.
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
root.repaint();
root.revalidate();
}
// Reset the cursor, as we may have changed it to a resize cursor
if (window != null) {
window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
window = null;
}
/**
* Sets the window title pane -- the JComponent used to provide a plaf a way to override the
* native operating system's window title pane with one whose look and feel are controlled by the
* plaf. The plaf creates and sets this value; the default is null, implying a native operating
* system window title pane.
*
* @param content the <code>JComponent</code> to use for the window title pane.
*/
private void setTitlePane(JRootPane root, JComponent titlePane) {
JLayeredPane layeredPane = root.getLayeredPane();
JComponent oldTitlePane = getTitlePane();
if (oldTitlePane != null) {
oldTitlePane.setVisible(false);
layeredPane.remove(oldTitlePane);
}
if (titlePane != null) {
layeredPane.add(titlePane, JLayeredPane.FRAME_CONTENT_LAYER);
titlePane.setVisible(true);
}
this.titlePane = titlePane;
}
/**
* Instructs the layout manager to perform the layout for the specified container.
*
* @param the Container for which this layout manager is being used
*/
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);
}
// Note: This is laying out the children in the layeredPane,
// technically, these are not our children.
if (root.getWindowDecorationStyle() != JRootPane.NONE
&& (root.getUI() instanceof HokageRootPaneUI)) {
JComponent titlePane = ((HokageRootPaneUI) 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.getMenuBar() != null) {
Dimension mbd = root.getMenuBar().getPreferredSize();
root.getMenuBar().setBounds(0, nextY, w, mbd.height);
nextY += mbd.height;
}
if (root.getContentPane() != null) {
Dimension cpd = root.getContentPane().getPreferredSize();
root.getContentPane().setBounds(0, nextY, w, h < nextY ? 0 : h - nextY);
}
}
@Nullable
private static JLayeredPane findLayeredPane(MouseEvent e) {
if (!(e.getComponent() instanceof JComponent)) return null;
final JRootPane root = ((JComponent) e.getComponent()).getRootPane();
return root.getLayeredPane();
}
/** Uninstalls the previously installed <code>LayoutManager</code>. */
private void uninstallLayout(JRootPane root) {
if (savedOldLayout != null) {
root.setLayout(savedOldLayout);
savedOldLayout = null;
}
}
