下面列出了javax.swing.JRootPane#getWindowDecorationStyle ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* <p>给根窗格安装边框</p>
*
* <p>To install JRootPane border</p>
*
* @param root <code>JRootPane</code>
*/
protected void installBorder(JRootPane root)
{
int style = root.getWindowDecorationStyle();
// 这句必须，否则会出现无法安装边框的情况
// Sentence must, otherwise there will not be installed border situation
root.setBorder(null);
//
if(LuckPlatformUtils.isWindows())
{
root.setBorder(UIManager.getBorder(borderKeys[style]));
}
else
{
root.setBorder(LineBorder.createBlackLineBorder());
}
}
/**
* 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).
*
* @param root the root
*/
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;
}
/**
* 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).
* </p>
*
* @param root the JRootPane.
*/
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;
}
public Dimension preferredLayoutSize(Container parent)
{
Insets insets = parent.getInsets();
JRootPane root = (JRootPane) parent;
int h = 0;
Dimension cpd = null;
if (root.getContentPane() != null)
{
cpd = root.getContentPane().getPreferredSize();
if (!(root.getContentPane() instanceof LuckBackgroundPanel)
&& root.getWindowDecorationStyle() != JRootPane.NONE)
{
h += UIManager.getInt(LuckRootPaneUIBundle.TITLEPANEL_HEIGHT);
}
}
else
{
cpd = root.getSize();
}
h += cpd.height;
return getDimension(insets, cpd.width, h);
}
@Override
public void installUI(JComponent c)
{
super.installUI(c);
JRootPane root = (JRootPane) c;
int style = root.getWindowDecorationStyle();
if (style != JRootPane.NONE)
{
installClientDecorations(root);
}
}
protected void uninstallOther(JRootPane root)
{
Container content = root.getContentPane();
if (content != null && content instanceof LuckBackgroundPanel)
{
LuckBackgroundPanel bgPanel = (LuckBackgroundPanel) content;
root.setContentPane(bgPanel.getContentPane());
root.setJMenuBar(bgPanel.getJMenuBar());
bgPanel.uninstallMenubar(true);
}
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE)
{
root.repaint();
root.revalidate();
}
Window window = SwingUtilities.getWindowAncestor(root);
if (window != null)
{
window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
/**
* 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;
}
/**
* 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;
updateTextured();
int style = root.getWindowDecorationStyle();
Container parent = root.getParent();
if (parent != null && (parent instanceof JFrame || parent instanceof JDialog) && style != JRootPane.NONE) {
installClientDecorations(root);
}
}
/**
* Installs the appropriate <code>Border</code> onto the <code>
* JRootPane</code>.
*
* @param root the root pane.
*/
public void installBorder(JRootPane root) {
int style = root.getWindowDecorationStyle();
if (style == JRootPane.NONE) {
LookAndFeel.uninstallBorder(root);
} else {
root.setBorder(new SeaGlassBorder(this, new Insets(0, 1, 1, 1)));
}
}
/**
* Returns the amount of space the layout would like to have.
*
* @param parent 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;
Dimension mbd;
Dimension 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 SeaGlassRootPaneUI)) {
JComponent titlePane = ((SeaGlassRootPaneUI) 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);
}
/**
* 处理JFrame的双击标题面板缩放事件
*/
public void mouseClicked(MouseEvent e)
{
Window window = (Window) e.getSource();
if(window instanceof JFrame)
{
JFrame frame = (JFrame) window;
JRootPane root = frame.getRootPane();
// 不包含窗体装饰直接返回
if (root.getWindowDecorationStyle() == JRootPane.NONE)
{
return;
}
// 不在标题栏覆盖区域直接返回
if(!titleArea.contains(e.getPoint()))
{
return;
}
if ((e.getClickCount() % 2) == 0 && ((e.getModifiers() & InputEvent.BUTTON1_MASK) != 0))
{
int state = frame.getExtendedState();
if (frame.isResizable())
{
if ((state & JFrame.MAXIMIZED_BOTH) != 0)
{
frame.setExtendedState(state & ~JFrame.MAXIMIZED_BOTH);
}
else
{
frame.setExtendedState(state | JFrame.MAXIMIZED_BOTH);
}
}
}
}
}
/**
* v1.0.1:修复自定义拖拽区域BUG, 增加边界判断
*/
public void mousePressed(MouseEvent e)
{
Window window = (Window) e.getSource();
JRootPane root = LuckWindowUtil.getRootPane(window);
// 不包含窗体装饰直接返回
if (root == null || root.getWindowDecorationStyle() == JRootPane.NONE)
{
return;
}
if (window != null)
{
window.toFront();
}
// 如果是单击标题栏, 则标记接下来的拖动事件为移动窗口, 判断当前鼠标是否超出边界
if (dragArea.contains(e.getPoint())
&& dragCursor == Cursor.DEFAULT_CURSOR)
{
if(window instanceof JFrame)
{
JFrame frame = (JFrame)window;
// 如果当前窗体是全屏状态则直接返回
if(frame.getExtendedState() == JFrame.MAXIMIZED_BOTH)
{
return;
}
}
// 设置为可以移动并记录当前坐标
isMovingWindow = true;
dragOffsetX = e.getPoint().x;
dragOffsetY = e.getPoint().y;
}
else if(LuckWindowUtil.isResizable(window))
{
dragOffsetX = e.getPoint().x;
dragOffsetY = e.getPoint().y;
dragWidth = window.getWidth();
dragHeight = window.getHeight();
JRootPane rootPane = LuckWindowUtil.getRootPane(window);
if(rootPane != null && LuckWindowUtil.isResizable(window))
{
dragCursor = getCursor(dragWidth, dragHeight, e.getPoint(), rootPane.getInsets());
}
}
}
public void layoutContainer(Container parent)
{
JRootPane root = (JRootPane) parent;
Rectangle bound = root.getBounds();
Insets inset = root.getInsets();
// 获取内容面板实际宽度, 减去左右边框面积
// Calculate the actual width
int w = bound.width - inset.right - inset.left;
// 获取内容面板实际高度, 减去上下边框面积
int h = bound.height - inset.top - inset.bottom;
// 设置层级面板在根窗格中的位置
// Calculate the actual height
if(root.getLayeredPane() != null)
{
root.getLayeredPane().setBounds(inset.left, inset.top, w, h);
}
// 布局玻璃窗格
// layout LayeredPane
if(root.getGlassPane() != null)
{
root.getGlassPane().setBounds(inset.left, inset.top, w, h);
}
// 获取当前内容面板
// get current ContentPane
Container content = root.getContentPane();
LuckRootPaneUI rootPaneUI = (LuckRootPaneUI) root.getUI();
// 使用 <code>LuckBackgroundPanel</code>替换当前的内容面板
// Use <code>LuckBackgroundPanel</code> replace the current contents of the panel
if(!(content instanceof LuckBackgroundPanel))
{
Window window = SwingUtilities.getWindowAncestor(root);
boolean isResizeableOnInit = LuckWindowUtil.isResizable(window);
int initStyle = root.getWindowDecorationStyle();
if(initStyle != JRootPane.NONE)
{
//
LuckTitlePanel titlePanel = rootPaneUI.createTitlePanel(initStyle, isResizeableOnInit);
LuckBackgroundPanel background = rootPaneUI.createContentPane(titlePanel, content);
root.setContentPane(background);
}
}
root.getContentPane().setBounds(0, 0, w, h);
}
public void propertyChange(PropertyChangeEvent e)
{
super.propertyChange(e);
String propertyName = e.getPropertyName();
if (propertyName == null)
{
return;
}
JRootPane root = (JRootPane) e.getSource();
Container parent = root.getParent();
if (!(parent instanceof Window))
{
return;
}
if (WINDOWDECORATIONSTYLE_EVENT.equals(propertyName))
{
int style = root.getWindowDecorationStyle();
uninstallClientDecorations(root);
if (style != JRootPane.NONE)
{
installClientDecorations(root);
}
}
else if (ANCESTOR_EVENT.equals(propertyName))
{
uninstallWindowListener(root);
if (((JRootPane) e.getSource()).getWindowDecorationStyle() != JRootPane.NONE)
{
installWindowListeners(root);
}
}
}
/**
* Instructs the layout manager to perform the layout for the specified
* container.
*
* @param parent 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 SeaGlassRootPaneUI)) {
JComponent titlePane = ((SeaGlassRootPaneUI) 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) {
boolean menuInTitle = (root.getClientProperty("JRootPane.MenuInTitle") == Boolean.TRUE);
Dimension mbd = root.getJMenuBar().getPreferredSize();
int x = menuInTitle? 20 : 0;
root.getJMenuBar().setBounds(x, menuInTitle ? 0 : nextY, w, mbd.height);
root.getJMenuBar().setOpaque(false);
root.getJMenuBar().setBackground(transparentColor);
if (!menuInTitle) {
nextY += mbd.height;
}
}
if (root.getContentPane() != null) {
/* Dimension cpd = */ root.getContentPane().getPreferredSize();
root.getContentPane().setBounds(0, nextY, w, h < nextY ? 0 : h - nextY);
}
}
/**
* Returns the maximum amount of space the layout can use.
*
* @param target 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;
Dimension mbd;
Dimension 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 SeaGlassRootPaneUI)) {
JComponent titlePane = ((SeaGlassRootPaneUI) 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);
}
/**
* Returns the amount of space the layout would like to have.
*
* @param parent the parent
* @return a Dimension object containing the layout's preferred size
*/
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.getMenuBar() != null)
{
mbd = root.getMenuBar().getPreferredSize();
if (mbd != null)
{
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if (root.getWindowDecorationStyle() != JRootPane.NONE &&
(root.getUI() instanceof BERootPaneUI))
{
JComponent titlePane = ((BERootPaneUI)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 + tpWidth + i.top + i.bottom);
}
/**
* Returns the minimum amount of space the layout needs.
*
* @param parent the parent
* @return a Dimension object containing the layout's minimum size
*/
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.getMenuBar() != null)
{
mbd = root.getMenuBar().getMinimumSize();
if (mbd != null) {
mbWidth = mbd.width;
mbHeight = mbd.height;
}
}
if (root.getWindowDecorationStyle() != JRootPane.NONE &&
(root.getUI() instanceof BERootPaneUI)) {
JComponent titlePane = ((BERootPaneUI)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 + tpWidth + i.top + i.bottom);
}
/**
* Returns the minimum amount of space the layout needs.
*
* @param parent 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;
Dimension mbd;
Dimension 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 SeaGlassRootPaneUI)) {
JComponent titlePane = ((SeaGlassRootPaneUI) 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);
}
@Override
protected void installClientDecorations(JRootPane root)
{
super.installClientDecorations(root);
Window window = SwingUtilities.getWindowAncestor(root);
boolean isResize = LuckWindowUtil.isResizable(window);
int style = root.getWindowDecorationStyle();
installTitlePane(root, createTitlePanel(style, isResize), window);
}