本文整理匯總了Java中java.awt.Window.isFocused方法的典型用法代碼示例。如果您正苦於以下問題：Java Window.isFocused方法的具體用法？Java Window.isFocused怎麽用？Java Window.isFocused使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.Window的用法示例。
在下文中一共展示了Window.isFocused方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: isInFocusedWindow
import java.awt.Window; //導入方法依賴的package包/類
private static boolean isInFocusedWindow(Component c) {
Window w = SwingUtilities.getWindowAncestor(c);
return w != null && w.isFocused();
}
示例2: requestFocus
import java.awt.Window; //導入方法依賴的package包/類
final public boolean requestFocus(Component lightweightChild, boolean temporary,
boolean focusedWindowChangeAllowed, long time,
CausedFocusEvent.Cause cause)
{
if (XKeyboardFocusManagerPeer.
processSynchronousLightweightTransfer(target, lightweightChild, temporary,
focusedWindowChangeAllowed, time))
{
return true;
}
int result = XKeyboardFocusManagerPeer.
shouldNativelyFocusHeavyweight(target, lightweightChild,
temporary, focusedWindowChangeAllowed,
time, cause);
switch (result) {
case XKeyboardFocusManagerPeer.SNFH_FAILURE:
return false;
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
// Currently we just generate focus events like we deal with lightweight instead of calling
// XSetInputFocus on native window
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Proceeding with request to " +
lightweightChild + " in " + target);
}
/**
* The problems with requests in non-focused window arise because shouldNativelyFocusHeavyweight
* checks that native window is focused while appropriate WINDOW_GAINED_FOCUS has not yet
* been processed - it is in EventQueue. Thus, SNFH allows native request and stores request record
* in requests list - and it breaks our requests sequence as first record on WGF should be the last
* focus owner which had focus before WLF. So, we should not add request record for such requests
* but store this component in mostRecent - and return true as before for compatibility.
*/
Window parentWindow = SunToolkit.getContainingWindow(target);
if (parentWindow == null) {
return rejectFocusRequestHelper("WARNING: Parent window is null");
}
XWindowPeer wpeer = (XWindowPeer)parentWindow.getPeer();
if (wpeer == null) {
return rejectFocusRequestHelper("WARNING: Parent window's peer is null");
}
/*
* Passing null 'actualFocusedWindow' as we don't want to restore focus on it
* when a component inside a Frame is requesting focus.
* See 6314575 for details.
*/
boolean res = wpeer.requestWindowFocus(null);
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Requested window focus: " + res);
}
// If parent window can be made focused and has been made focused(synchronously)
// then we can proceed with children, otherwise we retreat.
if (!(res && parentWindow.isFocused())) {
return rejectFocusRequestHelper("Waiting for asynchronous processing of the request");
}
return XKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
(Component)target,
temporary,
focusedWindowChangeAllowed,
time, cause);
// Motif compatibility code
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
// Either lightweight or excessive request - all events are generated.
return true;
}
return false;
}
示例3: requestFocus
import java.awt.Window; //導入方法依賴的package包/類
@SuppressWarnings("deprecation")
public final boolean requestFocus(Component lightweightChild, boolean temporary,
boolean focusedWindowChangeAllowed, long time,
FocusEvent.Cause cause)
{
if (XKeyboardFocusManagerPeer.
processSynchronousLightweightTransfer(target, lightweightChild, temporary,
focusedWindowChangeAllowed, time))
{
return true;
}
int result = XKeyboardFocusManagerPeer.
shouldNativelyFocusHeavyweight(target, lightweightChild,
temporary, focusedWindowChangeAllowed,
time, cause);
switch (result) {
case XKeyboardFocusManagerPeer.SNFH_FAILURE:
return false;
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
// Currently we just generate focus events like we deal with lightweight instead of calling
// XSetInputFocus on native window
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Proceeding with request to " +
lightweightChild + " in " + target);
}
/**
* The problems with requests in non-focused window arise because shouldNativelyFocusHeavyweight
* checks that native window is focused while appropriate WINDOW_GAINED_FOCUS has not yet
* been processed - it is in EventQueue. Thus, SNFH allows native request and stores request record
* in requests list - and it breaks our requests sequence as first record on WGF should be the last
* focus owner which had focus before WLF. So, we should not add request record for such requests
* but store this component in mostRecent - and return true as before for compatibility.
*/
Window parentWindow = SunToolkit.getContainingWindow(target);
if (parentWindow == null) {
return rejectFocusRequestHelper("WARNING: Parent window is null");
}
XWindowPeer wpeer = AWTAccessor.getComponentAccessor()
.getPeer(parentWindow);
if (wpeer == null) {
return rejectFocusRequestHelper("WARNING: Parent window's peer is null");
}
/*
* Passing null 'actualFocusedWindow' as we don't want to restore focus on it
* when a component inside a Frame is requesting focus.
* See 6314575 for details.
*/
boolean res = wpeer.requestWindowFocus(null);
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Requested window focus: " + res);
}
// If parent window can be made focused and has been made focused(synchronously)
// then we can proceed with children, otherwise we retreat.
if (!(res && parentWindow.isFocused())) {
return rejectFocusRequestHelper("Waiting for asynchronous processing of the request");
}
return XKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
target,
temporary,
focusedWindowChangeAllowed,
time, cause);
// Motif compatibility code
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
// Either lightweight or excessive request - all events are generated.
return true;
}
return false;
}