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25 package sun.awt.X11;
26 
27 import java.awt.*;
28 import java.awt.peer.*;
29 import java.security.AccessController;
30 import sun.security.action.GetPropertyAction;
31 
32 import sun.awt.AWTAccessor;
33 import sun.awt.SunToolkit;
34 import sun.awt.UNIXToolkit;
35 import sun.awt.X11GraphicsConfig;
36 
37 class XRobotPeer implements RobotPeer {
38 
39     static final boolean tryGtk;
40     static {
loadNativeLibraries()41         loadNativeLibraries();
42         tryGtk = Boolean.parseBoolean(
43                             AccessController.doPrivileged(
44                                     new GetPropertyAction("awt.robot.gtk", "true")
45                             ));
46     }
47     private static volatile boolean useGtk;
48     private X11GraphicsConfig   xgc = null;
49 
50     /*
51      * native implementation uses some static shared data (pipes, processes)
52      * so use a class lock to synchronize native method calls
53      */
54     static Object robotLock = new Object();
55 
XRobotPeer(GraphicsConfiguration gc)56     XRobotPeer(GraphicsConfiguration gc) {
57         this.xgc = (X11GraphicsConfig)gc;
58         SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
59         setup(tk.getNumberOfButtons(),
60                 AWTAccessor.getInputEventAccessor().getButtonDownMasks());
61 
62         boolean isGtkSupported = false;
63         if (tryGtk) {
64             if (tk instanceof UNIXToolkit && ((UNIXToolkit) tk).loadGTK()) {
65                 isGtkSupported = true;
66             }
67         }
68 
69         useGtk = (tryGtk && isGtkSupported);
70     }
71 
72     @Override
dispose()73     public void dispose() {
74         // does nothing
75     }
76 
77     @Override
mouseMove(int x, int y)78     public void mouseMove(int x, int y) {
79         mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y));
80     }
81 
82     @Override
mousePress(int buttons)83     public void mousePress(int buttons) {
84         mousePressImpl(buttons);
85     }
86 
87     @Override
mouseRelease(int buttons)88     public void mouseRelease(int buttons) {
89         mouseReleaseImpl(buttons);
90     }
91 
92     @Override
mouseWheel(int wheelAmt)93     public void mouseWheel(int wheelAmt) {
94         mouseWheelImpl(wheelAmt);
95     }
96 
97     @Override
keyPress(int keycode)98     public void keyPress(int keycode) {
99         keyPressImpl(keycode);
100     }
101 
102     @Override
keyRelease(int keycode)103     public void keyRelease(int keycode) {
104         keyReleaseImpl(keycode);
105     }
106 
107     @Override
getRGBPixel(int x, int y)108     public int getRGBPixel(int x, int y) {
109         int[] pixelArray = new int[1];
110         getRGBPixelsImpl(xgc, x, y, 1, 1, pixelArray, useGtk);
111         return pixelArray[0];
112     }
113 
114     @Override
getRGBPixels(Rectangle bounds)115     public int [] getRGBPixels(Rectangle bounds) {
116         int[] pixelArray = new int[bounds.width*bounds.height];
117         getRGBPixelsImpl(xgc, bounds.x, bounds.y, bounds.width, bounds.height,
118                             pixelArray, useGtk);
119         return pixelArray;
120     }
121 
setup(int numberOfButtons, int[] buttonDownMasks)122     private static synchronized native void setup(int numberOfButtons, int[] buttonDownMasks);
loadNativeLibraries()123     private static native void loadNativeLibraries();
124 
mouseMoveImpl(X11GraphicsConfig xgc, int x, int y)125     private static synchronized native void mouseMoveImpl(X11GraphicsConfig xgc, int x, int y);
mousePressImpl(int buttons)126     private static synchronized native void mousePressImpl(int buttons);
mouseReleaseImpl(int buttons)127     private static synchronized native void mouseReleaseImpl(int buttons);
mouseWheelImpl(int wheelAmt)128     private static synchronized native void mouseWheelImpl(int wheelAmt);
129 
keyPressImpl(int keycode)130     private static synchronized native void keyPressImpl(int keycode);
keyReleaseImpl(int keycode)131     private static synchronized native void keyReleaseImpl(int keycode);
132 
getRGBPixelsImpl(X11GraphicsConfig xgc, int x, int y, int width, int height, int[] pixelArray, boolean isGtkSupported)133     private static synchronized native void getRGBPixelsImpl(X11GraphicsConfig xgc,
134             int x, int y, int width, int height, int[] pixelArray, boolean isGtkSupported);
135 }
136