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25 package sun.awt.X11;
26 
27 import java.awt.*;
28 import java.awt.peer.*;
29 
30 import sun.awt.AWTAccessor;
31 import sun.awt.AWTAccessor.ComponentAccessor;
32 import sun.awt.SunGraphicsCallback;
33 
34 public class XPanelPeer extends XCanvasPeer implements PanelPeer {
35 
36     XEmbeddingContainer embedder = null; //new XEmbeddingContainer();
37     /**
38      * Embeds the given window into container using XEmbed protocol
39      */
xembed(long window)40     public void xembed(long window) {
41         if (embedder != null) {
42             embedder.add(window);
43         }
44     }
XPanelPeer()45     XPanelPeer() {}
46 
XPanelPeer(XCreateWindowParams params)47     XPanelPeer(XCreateWindowParams params) {
48         super(params);
49     }
50 
XPanelPeer(Component target)51     XPanelPeer(Component target) {
52         super(target);
53     }
54 
postInit(XCreateWindowParams params)55     void postInit(XCreateWindowParams params) {
56         super.postInit(params);
57         if (embedder != null) {
58             embedder.install(this);
59         }
60     }
61 
getInsets()62     public Insets getInsets() {
63         return new Insets(0, 0, 0, 0);
64     }
paint(Graphics g)65     public void paint(Graphics g) {
66         super.paint(g);
67         SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance().
68             runComponents(((Container)target).getComponents(), g,
69                           SunGraphicsCallback.LIGHTWEIGHTS |
70                           SunGraphicsCallback.HEAVYWEIGHTS);
71     }
print(Graphics g)72     public void print(Graphics g) {
73         super.print(g);
74         SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance().
75             runComponents(((Container)target).getComponents(), g,
76                           SunGraphicsCallback.LIGHTWEIGHTS |
77                           SunGraphicsCallback.HEAVYWEIGHTS);
78 
79     }
80 
setBackground(Color c)81     public void setBackground(Color c) {
82         Component comp;
83         int i;
84 
85         Container cont = (Container) target;
86         final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
87         synchronized(target.getTreeLock()) {
88             int n = cont.getComponentCount();
89             for(i=0; i < n; i++) {
90                 comp = cont.getComponent(i);
91                 ComponentPeer peer = acc.getPeer(comp);
92                 if (peer != null) {
93                     Color color = comp.getBackground();
94                     if (color == null || color.equals(c)) {
95                         peer.setBackground(c);
96                     }
97                 }
98             }
99         }
100         super.setBackground(c);
101     }
102 
setForeground(Color c)103     public void setForeground(Color c) {
104         setForegroundForHierarchy((Container) target, c);
105     }
106 
setForegroundForHierarchy(Container cont, Color c)107     private void setForegroundForHierarchy(Container cont, Color c) {
108         synchronized(target.getTreeLock()) {
109             final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
110             int n = cont.getComponentCount();
111             for(int i=0; i < n; i++) {
112                 Component comp = cont.getComponent(i);
113                 Color color = comp.getForeground();
114                 if (color == null || color.equals(c)) {
115                     ComponentPeer cpeer = acc.getPeer(comp);
116                     if (cpeer != null) {
117                         cpeer.setForeground(c);
118                     }
119                     if (cpeer instanceof LightweightPeer
120                         && comp instanceof Container)
121                     {
122                         setForegroundForHierarchy((Container) comp, c);
123                     }
124                 }
125             }
126         }
127     }
128 
dispose()129     public void dispose() {
130         if (embedder != null) {
131             embedder.deinstall();
132         }
133         super.dispose();
134     }
135 
shouldFocusOnClick()136     protected boolean shouldFocusOnClick() {
137         // Return false if this container has children so in that case it won't
138         // be focused. Return true otherwise.
139         return ((Container)target).getComponentCount() == 0;
140     }
141 }
142