java - JNativeHook Keyboard listener isn't working with my Swing/GUI -
i'm making mouse/keyboard/pixels classes can simulate , read native input events. these implementated wrappers around java.awt.robot , jnativehook. they're intended used replacements autohotkey or autoit on mac. i'm doing testing on windows 7 64bit machine.
my problem can't figure out why keyboard listener jnativehook isn't working. haven't got around testing if mouse listeners work yet. it's possibly related multi-threading issues swing , jnativehook, haven't ruled out problems library or build version.
most of code directly example page. jnativehook spams logger , console debug information mouse/keyboard doesn't call listener. i'm using latest jar download page eclipse , latest jdk/jre unless went horribly wrong installs.
test class
the program displays button , colored panel. pressing button , typing "1" should change panel's color same pixel under mouse cursor.
import java.awt.awtexception; import java.awt.color; import java.awt.mouseinfo; import java.awt.point; import java.awt.robot; import java.awt.toolkit; import java.awt.event.actionevent; import java.awt.event.actionlistener; import java.awt.event.windowevent; import java.awt.event.windowlistener; import java.util.logging.level; import java.util.logging.logmanager; import java.util.logging.logger; import javax.swing.jbutton; import javax.swing.jframe; import javax.swing.joptionpane; import javax.swing.jpanel; import javax.swing.swingutilities; import javax.swing.windowconstants; import javax.swing.border.lineborder; import org.jnativehook.globalscreen; import org.jnativehook.nativehookexception; import org.jnativehook.keyboard.nativekeyevent; import org.jnativehook.keyboard.nativekeylistener; @suppresswarnings("serial") public class test extends jframe implements nativekeylistener, windowlistener { jpanel panel1 = null; jbutton button1 = null; static final int pad = 20; public test() { // disable console/log spam jnativehook /* logmanager.getlogmanager().reset(); logger logger = logger.getlogger(globalscreen.class.getpackage() .getname()); logger.setlevel(level.warning); */ settitle("test"); this.setlayout(null); this.setsize(300, 270); panel1 = new jpanel(); panel1.setbackground(color.red); panel1.setsize(40, 40); panel1.setlocation(20, 20); panel1.setborder(new lineborder(color.black, 1)); this.getcontentpane().add(panel1); button1 = new jbutton(); button1.settext("button1"); button1.setsize(100, 20); button1.setlocation(20, panel1.getheight() + panel1.gety() + pad); button1.addactionlistener(new actionlistener() { public void actionperformed(actionevent e) { keys.addkeylistener(new nativekeylistener() { public void nativekeypressed(nativekeyevent e) { if(e.getkeycode() == nativekeyevent.vc_1) { keys.removekeylistener(this); point p = mouseinfo.getpointerinfo().getlocation(); try { panel1.setbackground(new robot().getpixelcolor(p.x, p.y)); } catch (awtexception e1) { e1.printstacktrace(); } system.out.println("listener removed"); } toolkit.getdefaulttoolkit().beep(); system.out.println("pressed"); } public void nativekeyreleased(nativekeyevent e) { system.out.println("released"); toolkit.getdefaulttoolkit().beep(); } public void nativekeytyped(nativekeyevent e) { system.out.println("typed"); toolkit.getdefaulttoolkit().beep(); } }); system.out.println("button1"); toolkit.getdefaulttoolkit().beep(); } }); this.getcontentpane().add(button1); this.setdefaultcloseoperation(windowconstants.dispose_on_close); this.addwindowlistener(this); this.setvisible(true); // display window. } public void windowopened(windowevent e) { // initialize native hook try { globalscreen.registernativehook(); } catch (nativehookexception ex) { system.err .println("there problem registering native hook."); system.err.println(ex.getmessage()); ex.printstacktrace(); system.exit(1); } globalscreen.getinstance().addnativekeylistener(this); } public void windowclosed(windowevent e) { // clean native hook globalscreen.unregisternativehook(); system.runfinalization(); system.exit(0); } public void windowclosing(windowevent e) { /* unimplemented */ } public void windowiconified(windowevent e) { /* unimplemented */ } public void windowdeiconified(windowevent e) { /* unimplemented */ } public void windowactivated(windowevent e) { /* unimplemented */ } public void windowdeactivated(windowevent e) { /* unimplemented */ } public void nativekeyreleased(nativekeyevent e) { if (e.getkeycode() == nativekeyevent.vc_space) { swingutilities.invokelater(new runnable() { public void run() { joptionpane.showmessagedialog(null, "this run on swing's event dispatch thread."); } }); } } public void nativekeypressed(nativekeyevent e) { toolkit.getdefaulttoolkit().beep(); /* unimplemented */ } public void nativekeytyped(nativekeyevent e) { toolkit.getdefaulttoolkit().beep(); /* unimplemented */ } public static void main(string[] args) { swingutilities.invokelater(new runnable() { public void run() { new test(); } }); } } keys class
import java.awt.awtexception; import java.awt.awtkeystroke; import java.awt.robot; import java.awt.event.keyevent; import org.jnativehook.globalscreen; import org.jnativehook.keyboard.nativekeylistener; public class keys { protected static robot r = null; static { try { r = new robot(); } catch (awtexception e) { e.printstacktrace(); } } private keys() { } // static class public static void setrobot(robot r) { keys.r = r; } public static robot getrobot(robot r) { return r; } /** * sets delay between each key press/release. * * @param ms * number of milliseconds delay. 0 removes delay. */ public static void setdelay(int ms) { r.setautodelay(ms); } /** * @param keycode * key send, example keyevent.vk_0 0 key. */ public static void send(int keycode) { r.keypress(keycode); r.keyrelease(keycode); } /** * @param keycode * key send, example keyevent.vk_0 0 key. */ public static void press(int keycode) { r.keypress(keycode); } /** * @param keycode * key send, example keyevent.vk_0 0 key. */ public static void release(int keycode) { r.keyrelease(keycode); } public static void send(char c) { string str = "" + c; send(str); } /** * doesn't support alt, ctrl, numlock, or capslock. might not support every * key. * * @param str * string simulate typing. */ public static void send(string str) { boolean shifton = false; (int = 0; < str.length(); i++) { char c = str.charat(i); int keycode = awtkeystroke.getawtkeystroke(c).getkeycode(); boolean islower = character.islowercase(c); if (shifton) { if (character.islowercase(c)) { r.keyrelease(keyevent.vk_shift); shifton = false; } } else if (!islower) { r.keypress(keyevent.vk_shift); shifton = true; } r.keypress(keycode); r.keyrelease(keycode); } if (shifton) { r.keyrelease(keyevent.vk_shift); } } public static void addkeylistener(nativekeylistener listener) { globalscreen.getinstance().addnativekeylistener(listener); } public static void removekeylistener(nativekeylistener listener) { globalscreen.getinstance().removenativekeylistener(listener); } }
i switched jar build rc3 beta2 , works windows. beta2 didn't work on mac think rc 2 or 3 did.
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