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25 
26 package sun.awt.X11;
27 
28 import java.awt.Rectangle;
29 import java.awt.Toolkit;
30 import java.awt.peer.RobotPeer;
31 import java.security.AccessController;
32 
33 import sun.awt.AWTAccessor;
34 import sun.awt.SunToolkit;
35 import sun.awt.UNIXToolkit;
36 import sun.awt.X11GraphicsConfig;
37 import sun.awt.X11GraphicsDevice;
38 import sun.security.action.GetPropertyAction;
39 
40 final class XRobotPeer implements RobotPeer {
41 
42     private static final boolean tryGtk;
43     static {
loadNativeLibraries()44         loadNativeLibraries();
45         tryGtk = Boolean.parseBoolean(
46                             AccessController.doPrivileged(
47                                     new GetPropertyAction("awt.robot.gtk", "true")
48                             ));
49     }
50     private static volatile boolean useGtk;
51     private final X11GraphicsConfig  xgc;
52 
XRobotPeer(X11GraphicsDevice gd)53     XRobotPeer(X11GraphicsDevice gd) {
54         xgc = (X11GraphicsConfig) gd.getDefaultConfiguration();
55         SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
56         setup(tk.getNumberOfButtons(),
57                 AWTAccessor.getInputEventAccessor().getButtonDownMasks());
58 
59         boolean isGtkSupported = false;
60         if (tryGtk) {
61             if (tk instanceof UNIXToolkit && ((UNIXToolkit) tk).loadGTK()) {
62                 isGtkSupported = true;
63             }
64         }
65 
66         useGtk = (tryGtk && isGtkSupported);
67     }
68 
69     @Override
mouseMove(int x, int y)70     public void mouseMove(int x, int y) {
71         mouseMoveImpl(xgc, xgc.scaleUp(x), xgc.scaleUp(y));
72     }
73 
74     @Override
mousePress(int buttons)75     public void mousePress(int buttons) {
76         mousePressImpl(buttons);
77     }
78 
79     @Override
mouseRelease(int buttons)80     public void mouseRelease(int buttons) {
81         mouseReleaseImpl(buttons);
82     }
83 
84     @Override
mouseWheel(int wheelAmt)85     public void mouseWheel(int wheelAmt) {
86         mouseWheelImpl(wheelAmt);
87     }
88 
89     @Override
keyPress(int keycode)90     public void keyPress(int keycode) {
91         keyPressImpl(keycode);
92     }
93 
94     @Override
keyRelease(int keycode)95     public void keyRelease(int keycode) {
96         keyReleaseImpl(keycode);
97     }
98 
99     @Override
getRGBPixel(int x, int y)100     public int getRGBPixel(int x, int y) {
101         int[] pixelArray = new int[1];
102         getRGBPixelsImpl(xgc, x, y, 1, 1, pixelArray, useGtk);
103         return pixelArray[0];
104     }
105 
106     @Override
getRGBPixels(Rectangle bounds)107     public int [] getRGBPixels(Rectangle bounds) {
108         int[] pixelArray = new int[bounds.width*bounds.height];
109         getRGBPixelsImpl(xgc, bounds.x, bounds.y, bounds.width, bounds.height,
110                             pixelArray, useGtk);
111         return pixelArray;
112     }
113 
setup(int numberOfButtons, int[] buttonDownMasks)114     private static synchronized native void setup(int numberOfButtons, int[] buttonDownMasks);
loadNativeLibraries()115     private static native void loadNativeLibraries();
116 
mouseMoveImpl(X11GraphicsConfig xgc, int x, int y)117     private static synchronized native void mouseMoveImpl(X11GraphicsConfig xgc, int x, int y);
mousePressImpl(int buttons)118     private static synchronized native void mousePressImpl(int buttons);
mouseReleaseImpl(int buttons)119     private static synchronized native void mouseReleaseImpl(int buttons);
mouseWheelImpl(int wheelAmt)120     private static synchronized native void mouseWheelImpl(int wheelAmt);
121 
keyPressImpl(int keycode)122     private static synchronized native void keyPressImpl(int keycode);
keyReleaseImpl(int keycode)123     private static synchronized native void keyReleaseImpl(int keycode);
124 
getRGBPixelsImpl(X11GraphicsConfig xgc, int x, int y, int width, int height, int[] pixelArray, boolean isGtkSupported)125     private static synchronized native void getRGBPixelsImpl(X11GraphicsConfig xgc,
126             int x, int y, int width, int height, int[] pixelArray, boolean isGtkSupported);
127 }
128