Java Frame.getExtendedState方法代码示例

import java.awt.Frame; //导入方法依赖的package包/类
/**
 * Attempts to bring the parent <code>Window</code> of the given <code>TopComponent</code>
 * to front of other windows.
 * @see java.awt.Window#toFront()
 * @since 5.8
 */
protected void topComponentToFront(TopComponent tc) {
    Window parentWindow = SwingUtilities.getWindowAncestor(tc);

    // be defensive, although w probably will always be non-null here
    if (null != parentWindow) {
        if (parentWindow instanceof Frame) {
            Frame parentFrame = (Frame) parentWindow;
            int state = parentFrame.getExtendedState();

            if ((state & Frame.ICONIFIED) > 0) {
                parentFrame.setExtendedState(state & ~Frame.ICONIFIED);
            }
        }

        parentWindow.toFront();
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
void preInit(XCreateWindowParams params) {
    super.preInit(params);
    Frame target = (Frame)(this.target);
    // set the window attributes for this Frame
    winAttr.initialState = target.getExtendedState();
    state = 0;
    undecorated = Boolean.valueOf(target.isUndecorated());
    winAttr.nativeDecor = !target.isUndecorated();
    if (winAttr.nativeDecor) {
        winAttr.decorations = winAttr.AWT_DECOR_ALL;
    } else {
        winAttr.decorations = winAttr.AWT_DECOR_NONE;
    }
    winAttr.functions = MWMConstants.MWM_FUNC_ALL;
    winAttr.isResizable = true; // target.isResizable();
    winAttr.title = target.getTitle();
    winAttr.initialResizability = target.isResizable();
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        log.fine("Frame''s initial attributes: decor {0}, resizable {1}, undecorated {2}, initial state {3}",
                 Integer.valueOf(winAttr.decorations), Boolean.valueOf(winAttr.initialResizability),
                 Boolean.valueOf(!winAttr.nativeDecor), Integer.valueOf(winAttr.initialState));
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
void preInit(XCreateWindowParams params) {
    super.preInit(params);
    Frame target = (Frame)(this.target);
    // set the window attributes for this Frame
    winAttr.initialState = target.getExtendedState();
    state = 0;
    undecorated = Boolean.valueOf(target.isUndecorated());
    winAttr.nativeDecor = !target.isUndecorated();
    if (winAttr.nativeDecor) {
        winAttr.decorations = XWindowAttributesData.AWT_DECOR_ALL;
    } else {
        winAttr.decorations = XWindowAttributesData.AWT_DECOR_NONE;
    }
    winAttr.functions = MWMConstants.MWM_FUNC_ALL;
    winAttr.isResizable = true; // target.isResizable();
    winAttr.title = target.getTitle();
    winAttr.initialResizability = target.isResizable();
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        log.fine("Frame''s initial attributes: decor {0}, resizable {1}, undecorated {2}, initial state {3}",
                 Integer.valueOf(winAttr.decorations), Boolean.valueOf(winAttr.initialResizability),
                 Boolean.valueOf(!winAttr.nativeDecor), Integer.valueOf(winAttr.initialState));
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
private static void frontMainWindow() {
    Frame f = WindowManager.getDefault().getMainWindow();

    // makes sure the frame is visible
    f.setVisible(true);
    // uniconifies the frame if it is inconified
    if ((f.getExtendedState() & Frame.ICONIFIED) != 0) {
        f.setExtendedState(~Frame.ICONIFIED & f.getExtendedState());
    }
    // moves it to front and requests focus
    f.toFront ();
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static Dimension getActualSize(Frame frame) {
	try {
		int extendedState = frame.getExtendedState();
		java.awt.Rectangle bounds = frame.getMaximizedBounds(), systemBounds = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
		return new Dimension((extendedState&Frame.MAXIMIZED_HORIZ)==Frame.MAXIMIZED_HORIZ?(bounds!=null&&bounds.width !=Integer.MAX_VALUE?bounds.width :systemBounds.width ):frame.getWidth(),
				(extendedState&Frame.MAXIMIZED_VERT) ==Frame.MAXIMIZED_VERT ?(bounds!=null&&bounds.height!=Integer.MAX_VALUE?bounds.height:systemBounds.height):frame.getHeight());
	} catch(HeadlessException e) { return frame.getSize(); }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) {
    Frame frame = new Frame("frame");
    frame.setBounds(100, 100, 200, 200);
    frame.setVisible(true);
    frame.setExtendedState(Frame.MAXIMIZED_BOTH);
    frame.setExtendedState(Frame.ICONIFIED);
    if (frame.getExtendedState() != Frame.ICONIFIED) {
        frame.dispose();
        throw new RuntimeException("Test Failed");
    }
    frame.dispose();
}
 

import java.awt.Frame; //导入方法依赖的package包/类
static void testFrame(boolean isUndecorated) throws Exception {
    Frame frame = new Frame();
    try {
        Robot robot = new Robot();
        robot.setAutoDelay(100);

        frame.setUndecorated(isUndecorated);
        GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration();
        Rectangle bounds = gc.getBounds();
        Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc);
        int x = bounds.x + insets.left;
        int y = bounds.y + insets.top;
        int width = bounds.width - insets.left - insets.right;
        int height = bounds.height - insets.top - insets.bottom;
        Rectangle rect = new Rectangle(x, y, width, height);
        frame.pack();
        frame.setBounds(rect);
        frame.setVisible(true);
        robot.waitForIdle();
        robot.delay(500);

        if (frame.getWidth() <= width / 2
                || frame.getHeight() <= height / 2) {
            throw new RuntimeException("Frame size is small!");
        }

        if (!isUndecorated && frame.getExtendedState() != Frame.MAXIMIZED_BOTH) {
            throw new RuntimeException("Frame state does not equal"
                    + " MAXIMIZED_BOTH!");
        }
    } finally {
        frame.dispose();
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
/** */
public void activateModeTopComponent(ModeImpl mode, TopComponent tc) {
    if(!getModeOpenedTopComponents(mode).contains(tc)) {
        return;
    }
    
    ModeImpl oldActiveMode = getActiveMode();
    //#45650 -some API users call the activation all over again all the time on one item.
    // improve performance for such cases.
    if (oldActiveMode != null && oldActiveMode.equals(mode)) {
        if (tc != null && tc.equals(model.getModeSelectedTopComponent(mode))) {
            // #82385, #139319 do repeat activation if focus is not
            // owned by tc to be activated
            Component fOwn = KeyboardFocusManager.getCurrentKeyboardFocusManager().
                    getFocusOwner();
            if (fOwn != null && SwingUtilities.isDescendingFrom(fOwn, tc)) {
                //#70173 - activation request came probably from a sliding
                //window in 'hover' mode, so let's hide it
                slideOutSlidingWindows( mode );
                return;
            }
        }
    }
    model.setActiveMode(mode);
    model.setModeSelectedTopComponent(mode, tc);
    
    if(isVisible()) {
        viewRequestor.scheduleRequest(new ViewRequest(mode, 
            View.CHANGE_TOPCOMPONENT_ACTIVATED, null, tc));

        //restore floating windows if iconified
        if( mode.getState() == Constants.MODE_STATE_SEPARATED ) {
            Frame frame = (Frame) SwingUtilities.getAncestorOfClass(Frame.class, tc);
            if( null != frame && frame != WindowManagerImpl.getInstance().getMainWindow()
                    && (frame.getExtendedState() & Frame.ICONIFIED) > 0 ) {
                frame.setExtendedState(frame.getExtendedState() - Frame.ICONIFIED );
            }
        }
    }
    
    // Notify registry.
    WindowManagerImpl.notifyRegistryTopComponentActivated(tc);
    
    if(oldActiveMode != mode) {
        WindowManagerImpl.getInstance().doFirePropertyChange(
            WindowManagerImpl.PROP_ACTIVE_MODE, oldActiveMode, mode);
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
static boolean isFrameMinimized(final Frame frame) {
    return (frame.getExtendedState() & Frame.ICONIFIED) != 0;
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) {
    Robot robot = Util.createRobot();

    Frame testFrame = new Frame("Test Frame");
    testFrame.setSize(200, 200);
    testFrame.addWindowStateListener(new WindowStateListener() {
        @Override
        public void windowStateChanged(WindowEvent e) {
            listenerNotified.set(true);
            synchronized (listenerNotified) {
                listenerNotified.notifyAll();
            }
        }
    });
    testFrame.setVisible(true);

    Frame mainFrame = new Frame("Main Frame");
    mainFrame.setSize(200, 200);
    mainFrame.setLocationRelativeTo(null);
    mainFrame.setVisible(true);

    Util.waitForIdle(robot);

    try {
        Util.clickOnComp(mainFrame, robot);
        Util.waitForIdle(robot);

        // NORMAL -> ICONIFIED
        listenerNotified.set(false);
        testFrame.setExtendedState(Frame.ICONIFIED);
        Util.waitForIdle(robot);

        Util.waitForCondition(listenerNotified, 2000);
        if (!listenerNotified.get()) {
            throw new RuntimeException("Test FAILED! Window state listener was not notified during NORMAL to" +
                    "ICONIFIED transition");
        }
        if (testFrame.getExtendedState() != Frame.ICONIFIED) {
            throw new RuntimeException("Test FAILED! Frame is not in ICONIFIED state");
        }

        // ICONIFIED -> NORMAL
        listenerNotified.set(false);
        testFrame.setExtendedState(Frame.NORMAL);
        Util.waitForIdle(robot);

        Util.waitForCondition(listenerNotified, 2000);
        if (!listenerNotified.get()) {
            throw new RuntimeException("Test FAILED! Window state listener was not notified during ICONIFIED to" +
                    "NORMAL transition");
        }
        if (testFrame.getExtendedState() != Frame.NORMAL) {
            throw new RuntimeException("Test FAILED! Frame is not in NORMAL state");
        }
    } finally {
        testFrame.dispose();
        mainFrame.dispose();
    }
}