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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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25 package sun.awt.X11;
26 
27 import java.awt.*;
28 import java.awt.peer.*;
29 
30 import sun.awt.SunGraphicsCallback;
31 
32 public class XPanelPeer extends XCanvasPeer implements PanelPeer {
33 
34     XEmbeddingContainer embedder = null; //new XEmbeddingContainer();
35     /**
36      * Embeds the given window into container using XEmbed protocol
37      */
xembed(long window)38     public void xembed(long window) {
39         if (embedder != null) {
40             embedder.add(window);
41         }
42     }
XPanelPeer()43     XPanelPeer() {}
44 
XPanelPeer(XCreateWindowParams params)45     XPanelPeer(XCreateWindowParams params) {
46         super(params);
47     }
48 
XPanelPeer(Component target)49     XPanelPeer(Component target) {
50         super(target);
51     }
52 
postInit(XCreateWindowParams params)53     void postInit(XCreateWindowParams params) {
54         super.postInit(params);
55         if (embedder != null) {
56             embedder.install(this);
57         }
58     }
59 
getInsets()60     public Insets getInsets() {
61         return new Insets(0, 0, 0, 0);
62     }
paint(Graphics g)63     public void paint(Graphics g) {
64         super.paint(g);
65         SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance().
66             runComponents(((Container)target).getComponents(), g,
67                           SunGraphicsCallback.LIGHTWEIGHTS |
68                           SunGraphicsCallback.HEAVYWEIGHTS);
69     }
print(Graphics g)70     public void print(Graphics g) {
71         super.print(g);
72         SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance().
73             runComponents(((Container)target).getComponents(), g,
74                           SunGraphicsCallback.LIGHTWEIGHTS |
75                           SunGraphicsCallback.HEAVYWEIGHTS);
76 
77     }
78 
setBackground(Color c)79     public void setBackground(Color c) {
80         Component comp;
81         int i;
82 
83         Container cont = (Container) target;
84         synchronized(target.getTreeLock()) {
85             int n = cont.getComponentCount();
86             for(i=0; i < n; i++) {
87                 comp = cont.getComponent(i);
88                 ComponentPeer peer = comp.getPeer();
89                 if (peer != null) {
90                     Color color = comp.getBackground();
91                     if (color == null || color.equals(c)) {
92                         peer.setBackground(c);
93                     }
94                 }
95             }
96         }
97         super.setBackground(c);
98     }
99 
setForeground(Color c)100     public void setForeground(Color c) {
101         setForegroundForHierarchy((Container) target, c);
102     }
103 
setForegroundForHierarchy(Container cont, Color c)104     private void setForegroundForHierarchy(Container cont, Color c) {
105         synchronized(target.getTreeLock()) {
106             int n = cont.getComponentCount();
107             for(int i=0; i < n; i++) {
108                 Component comp = cont.getComponent(i);
109                 Color color = comp.getForeground();
110                 if (color == null || color.equals(c)) {
111                     ComponentPeer cpeer = comp.getPeer();
112                     if (cpeer != null) {
113                         cpeer.setForeground(c);
114                     }
115                     if (cpeer instanceof LightweightPeer
116                         && comp instanceof Container)
117                     {
118                         setForegroundForHierarchy((Container) comp, c);
119                     }
120                 }
121             }
122         }
123     }
124 
125     /**
126      * DEPRECATED:  Replaced by getInsets().
127      */
insets()128     public Insets insets() {
129         return getInsets();
130     }
131 
dispose()132     public void dispose() {
133         if (embedder != null) {
134             embedder.deinstall();
135         }
136         super.dispose();
137     }
138 
shouldFocusOnClick()139     protected boolean shouldFocusOnClick() {
140         // Return false if this container has children so in that case it won't
141         // be focused. Return true otherwise.
142         return ((Container)target).getComponentCount() == 0;
143     }
144 }
145