Java Code Examples for java.awt.Component#isDisplayable()
The following examples show how to use
java.awt.Component#isDisplayable() .
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Example 1
| Source File: LegacyGlueFocusTraversalPolicy.java From Java8CN with Apache License 2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 2
| Source File: LegacyGlueFocusTraversalPolicy.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 3
| Source File: LegacyGlueFocusTraversalPolicy.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 4
| Source File: LegacyGlueFocusTraversalPolicy.java From Bytecoder with Apache License 2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 5
| Source File: LegacyGlueFocusTraversalPolicy.java From hottub with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 6
| Source File: LegacyGlueFocusTraversalPolicy.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 7
| Source File: LegacyGlueFocusTraversalPolicy.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 8
| Source File: LegacyGlueFocusTraversalPolicy.java From JDKSourceCode1.8 with MIT License | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 9
| Source File: LegacyGlueFocusTraversalPolicy.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 10
| Source File: LegacyGlueFocusTraversalPolicy.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
private boolean accept(Component aComponent) {
if (!(aComponent.isVisible() && aComponent.isDisplayable() &&
aComponent.isFocusable() && aComponent.isEnabled())) {
return false;
}
// Verify that the Component is recursively enabled. Disabling a
// heavyweight Container disables its children, whereas disabling
// a lightweight Container does not.
if (!(aComponent instanceof Window)) {
for (Container enableTest = aComponent.getParent();
enableTest != null;
enableTest = enableTest.getParent())
{
if (!(enableTest.isEnabled() || enableTest.isLightweight())) {
return false;
}
if (enableTest instanceof Window) {
break;
}
}
}
return true;
}
Example 11
| Source File: KeyboardFocusManagerPeerImpl.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("deprecation")
public static boolean deliverFocus(Component lightweightChild,
Component target,
boolean temporary,
boolean focusedWindowChangeAllowed,
long time,
FocusEvent.Cause cause,
Component currentFocusOwner) // provided by the descendant peers
{
if (lightweightChild == null) {
lightweightChild = target;
}
Component currentOwner = currentFocusOwner;
if (currentOwner != null && !currentOwner.isDisplayable()) {
currentOwner = null;
}
if (currentOwner != null) {
FocusEvent fl = new FocusEvent(currentOwner, FocusEvent.FOCUS_LOST,
false, lightweightChild, cause);
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Posting focus event: " + fl);
}
SunToolkit.postEvent(SunToolkit.targetToAppContext(currentOwner), fl);
}
FocusEvent fg = new FocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED,
false, currentOwner, cause);
if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
focusLog.finer("Posting focus event: " + fg);
}
SunToolkit.postEvent(SunToolkit.targetToAppContext(lightweightChild), fg);
return true;
}
Example 12
| Source File: InputContext.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 13
| Source File: InputContext.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 14
| Source File: InputContext.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 15
| Source File: InputContext.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 16
| Source File: InputContext.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 17
| Source File: InputContext.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 18
| Source File: InputContext.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 19
| Source File: InputContext.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
Example 20
| Source File: InputContext.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Handles focus gained events for any component that's using
* this input context.
* These events are generated by AWT when the keyboard focus
* moves to a component.
* Besides actual client components, the source components
* may also be the composition area or any component in an
* input method window.
* <p>
* When handling the focus event for a client component, this
* method checks whether the input context was previously
* active for a different client component, and if so, calls
* endComposition for the previous client component.
*
* @param source the component gaining the focus
*/
private void focusGained(Component source) {
/*
* NOTE: When a Container is removing its Component which
* invokes this.removeNotify(), the Container has the global
* Component lock. It is possible to happen that an
* application thread is calling this.removeNotify() while an
* AWT event queue thread is dispatching a focus event via
* this.dispatchEvent(). If an input method uses AWT
* components (e.g., IIIMP status window), it causes deadlock,
* for example, Component.show()/hide() in this situation
* because hide/show tried to obtain the lock. Therefore,
* it's necessary to obtain the global Component lock before
* activating or deactivating an input method.
*/
synchronized (source.getTreeLock()) {
synchronized (this) {
if ("sun.awt.im.CompositionArea".equals(source.getClass().getName())) {
// no special handling for this one
} else if (getComponentWindow(source) instanceof InputMethodWindow) {
// no special handling for this one either
} else {
if (!source.isDisplayable()) {
// Component is being disposed
return;
}
// Focus went to a real client component.
// Check whether we're switching between client components
// that share an input context. We can't do that earlier
// than here because we don't want to end composition
// until we really know we're switching to a different component
if (inputMethod != null) {
if (currentClientComponent != null && currentClientComponent != source) {
if (!isInputMethodActive) {
activateInputMethod(false);
}
endComposition();
deactivateInputMethod(false);
}
}
currentClientComponent = source;
}
awtFocussedComponent = source;
if (inputMethod instanceof InputMethodAdapter) {
((InputMethodAdapter) inputMethod).setAWTFocussedComponent(source);
}
// it's possible that the input method is still active because
// we suppressed a deactivate cause by an input method window
// coming up
if (!isInputMethodActive) {
activateInputMethod(true);
}
// If the client component is an active client with the below-the-spot
// input style, then make the composition window undecorated without a title bar.
InputMethodContext inputContext = ((InputMethodContext)this);
if (!inputContext.isCompositionAreaVisible()) {
InputMethodRequests req = source.getInputMethodRequests();
if (req != null && inputContext.useBelowTheSpotInput()) {
inputContext.setCompositionAreaUndecorated(true);
} else {
inputContext.setCompositionAreaUndecorated(false);
}
}
// restores the composition area if it was set to invisible
// when focus got lost
if (compositionAreaHidden == true) {
((InputMethodContext)this).setCompositionAreaVisible(true);
compositionAreaHidden = false;
}
}
}
}
