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src/java.desktop/share/classes/sun/awt/SunToolkit.java

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1032      */
1033     public static Container getNativeContainer(Component c) {
1034         return Toolkit.getNativeContainer(c);
1035     }
1036 
1037     /**
1038      * Gives native peers the ability to query the closest HW component.
1039      * If the given component is heavyweight, then it returns this. Otherwise,
1040      * it goes one level up in the hierarchy and tests next component.
1041      */
1042     public static Component getHeavyweightComponent(Component c) {
1043         while (c != null && AWTAccessor.getComponentAccessor().isLightweight(c)) {
1044             c = AWTAccessor.getComponentAccessor().getParent(c);
1045         }
1046         return c;
1047     }
1048 
1049     /**
1050      * Returns key modifiers used by Swing to set up a focus accelerator key stroke.
1051      */

1052     public int getFocusAcceleratorKeyMask() {
1053         return InputEvent.ALT_MASK;
1054     }
1055 
1056     /**
1057      * Tests whether specified key modifiers mask can be used to enter a printable
1058      * character. This is a default implementation of this method, which reflects
1059      * the way things work on Windows: here, pressing ctrl + alt allows user to enter
1060      * characters from the extended character set (like euro sign or math symbols)
1061      */

1062     public boolean isPrintableCharacterModifiersMask(int mods) {
1063         return ((mods & InputEvent.ALT_MASK) == (mods & InputEvent.CTRL_MASK));
1064     }
1065 
1066     /**
1067      * Returns whether popup is allowed to be shown above the task bar.
1068      * This is a default implementation of this method, which checks
1069      * corresponding security permission.
1070      */
1071     public boolean canPopupOverlapTaskBar() {
1072         boolean result = true;
1073         try {
1074             SecurityManager sm = System.getSecurityManager();
1075             if (sm != null) {
1076                 sm.checkPermission(AWTPermissions.SET_WINDOW_ALWAYS_ON_TOP_PERMISSION);
1077             }
1078         } catch (SecurityException se) {
1079             // There is no permission to show popups over the task bar
1080             result = false;
1081         }




1032      */
1033     public static Container getNativeContainer(Component c) {
1034         return Toolkit.getNativeContainer(c);
1035     }
1036 
1037     /**
1038      * Gives native peers the ability to query the closest HW component.
1039      * If the given component is heavyweight, then it returns this. Otherwise,
1040      * it goes one level up in the hierarchy and tests next component.
1041      */
1042     public static Component getHeavyweightComponent(Component c) {
1043         while (c != null && AWTAccessor.getComponentAccessor().isLightweight(c)) {
1044             c = AWTAccessor.getComponentAccessor().getParent(c);
1045         }
1046         return c;
1047     }
1048 
1049     /**
1050      * Returns key modifiers used by Swing to set up a focus accelerator key stroke.
1051      */
1052     @SuppressWarnings("deprecation")
1053     public int getFocusAcceleratorKeyMask() {
1054         return InputEvent.ALT_MASK;
1055     }
1056 
1057     /**
1058      * Tests whether specified key modifiers mask can be used to enter a printable
1059      * character. This is a default implementation of this method, which reflects
1060      * the way things work on Windows: here, pressing ctrl + alt allows user to enter
1061      * characters from the extended character set (like euro sign or math symbols)
1062      */
1063     @SuppressWarnings("deprecation")
1064     public boolean isPrintableCharacterModifiersMask(int mods) {
1065         return ((mods & InputEvent.ALT_MASK) == (mods & InputEvent.CTRL_MASK));
1066     }
1067 
1068     /**
1069      * Returns whether popup is allowed to be shown above the task bar.
1070      * This is a default implementation of this method, which checks
1071      * corresponding security permission.
1072      */
1073     public boolean canPopupOverlapTaskBar() {
1074         boolean result = true;
1075         try {
1076             SecurityManager sm = System.getSecurityManager();
1077             if (sm != null) {
1078                 sm.checkPermission(AWTPermissions.SET_WINDOW_ALWAYS_ON_TOP_PERMISSION);
1079             }
1080         } catch (SecurityException se) {
1081             // There is no permission to show popups over the task bar
1082             result = false;
1083         }


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