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25 package sun.awt.X11;
26 
27 import java.awt.*;
28 import java.awt.peer.*;
29 
30 import java.util.Vector;
31 import sun.util.logging.PlatformLogger;
32 import sun.awt.AWTAccessor;
33 
34 public class XMenuPeer extends XMenuItemPeer implements MenuPeer {
35 
36     /************************************************
37      *
38      * Data members
39      *
40      ************************************************/
41     private static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XMenuPeer");
42 
43     /**
44      * Window that correspond to this menu
45      */
46     XMenuWindow menuWindow;
47 
48     /************************************************
49      *
50      * Construction
51      *
52      ************************************************/
XMenuPeer(Menu target)53     XMenuPeer(Menu target) {
54         super(target);
55     }
56 
57     /**
58      * This function is called when menu is bound
59      * to its container window. Creates submenu window
60      * that fills its items vector while construction
61      */
62     @Override
setContainer(XBaseMenuWindow container)63     void setContainer(XBaseMenuWindow container) {
64         super.setContainer(container);
65         menuWindow = new XMenuWindow(this);
66     }
67 
68 
69     /************************************************
70      *
71      * Implementaion of interface methods
72      *
73      ************************************************/
74 
75     /*
76      * From MenuComponentPeer
77      */
78 
79     /**
80      * Disposes menu window if needed
81      */
82     @Override
dispose()83     public void dispose() {
84         if (menuWindow != null) {
85             menuWindow.dispose();
86         }
87         super.dispose();
88     }
89 
90     /**
91      * Resets text metrics for this item, for its menu window
92      * and for all descendant menu windows
93      */
94     @Override
setFont(Font font)95     public void setFont(Font font) {
96         //TODO:We can decrease count of repaints here
97         //and get rid of recursion
98         resetTextMetrics();
99 
100         XMenuWindow menuWindow = getMenuWindow();
101         if (menuWindow != null) {
102             menuWindow.setItemsFont(font);
103         }
104 
105         repaintIfShowing();
106     }
107 
108     /*
109      * From MenuPeer
110      */
111     @Override
addItem(MenuItem item)112     public void addItem(MenuItem item) {
113         XMenuWindow menuWindow = getMenuWindow();
114         if (menuWindow != null) {
115             menuWindow.addItem(item);
116         } else {
117             if (log.isLoggable(PlatformLogger.Level.FINE)) {
118                 log.fine("Attempt to use XMenuWindowPeer without window");
119             }
120         }
121     }
122 
123     @Override
delItem(int index)124     public void delItem(int index) {
125         XMenuWindow menuWindow = getMenuWindow();
126         if (menuWindow != null) {
127             menuWindow.delItem(index);
128         } else {
129             if (log.isLoggable(PlatformLogger.Level.FINE)) {
130                 log.fine("Attempt to use XMenuWindowPeer without window");
131             }
132         }
133     }
134 
135     /************************************************
136      *
137      * Access to target's fields
138      *
139      ************************************************/
getTargetItems()140     Vector<MenuItem> getTargetItems() {
141         return AWTAccessor.getMenuAccessor().getItems((Menu)getTarget());
142     }
143 
144     /************************************************
145      *
146      * Overriden behaviour
147      *
148      ************************************************/
149     @Override
isSeparator()150     boolean isSeparator() {
151         return false;
152     }
153 
154     //Fix for 6180416: Shortcut keys are displayed against Menus on XToolkit
155     //Menu should always return null as shortcutText
156     @Override
getShortcutText()157     String getShortcutText() {
158         return null;
159     }
160 
161     /************************************************
162      *
163      * Utility functions
164      *
165      ************************************************/
166 
167     /**
168      * Returns menu window of this menu or null
169      * it this menu has no container and so its
170      * window can't be created.
171      */
getMenuWindow()172     XMenuWindow getMenuWindow() {
173         return menuWindow;
174     }
175 
176 }
177