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Global keyboard and mouse listeners for Java.
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/* JNativeHook: Global keyboard and mouse hooking for Java.
* Copyright (C) 2006-2016 Alexander Barker. All Rights Received.
* https://github.com/kwhat/jnativehook/
*
* JNativeHook is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JNativeHook is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see
#include
#include
#include "jni_Converter.h"
#include "jni_Errors.h"
#include "jni_Globals.h"
#include "jni_Logger.h"
#include "org_jnativehook_NativeInputEvent.h"
#include "org_jnativehook_keyboard_NativeKeyEvent.h"
#include "org_jnativehook_mouse_NativeMouseEvent.h"
#include "org_jnativehook_mouse_NativeMouseWheelEvent.h"
// Simple function to notify() the hook thread.
static inline void notifyHookThread(JNIEnv *env) {
jobject hookThread_obj = (*env)->GetStaticObjectField(
env,
java_lang_Object->cls,
org_jnativehook_GlobalScreen->hookThread);
if (hookThread_obj != NULL) {
(*env)->MonitorEnter(env, hookThread_obj);
(*env)->CallVoidMethod(
env,
hookThread_obj,
java_lang_Object->notify);
(*env)->MonitorExit(env, hookThread_obj);
}
}
// NOTE: This function executes on the hook thread! If you need to block
// please do so on another thread via your own event dispatcher.
void jni_EventDispatcher(uiohook_event * const event) {
JNIEnv *env;
if ((*jvm)->GetEnv(jvm, (void **)(&env), jvm_attach_args.version) == JNI_OK) {
jobject NativeInputEvent_obj = NULL;
jint location = org_jnativehook_keyboard_NativeKeyEvent_LOCATION_UNKNOWN;
switch (event->type) {
case EVENT_HOOK_DISABLED:
case EVENT_HOOK_ENABLED:
notifyHookThread(env);
return;
case EVENT_KEY_PRESSED:
// FIXME We really shouldnt be wrighting to that memory.
if (jni_ConvertToJavaLocation(&(event->data.keyboard.keycode), &location) == JNI_OK) {
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_PRESSED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
break;
case EVENT_KEY_RELEASED:
// FIXME We really shouldnt be wrighting to that memory.
if (jni_ConvertToJavaLocation(&(event->data.keyboard.keycode), &location) == JNI_OK) {
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_RELEASED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
break;
case EVENT_KEY_TYPED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_TYPED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) org_jnativehook_keyboard_NativeKeyEvent_VC_UNDEFINED,
(jchar) event->data.keyboard.keychar,
location);
break;
case EVENT_MOUSE_PRESSED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_PRESSED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_RELEASED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_RELEASED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_CLICKED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_CLICKED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_MOVED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_MOVED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_DRAGGED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_DRAGGED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_WHEEL:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseWheelEvent->cls,
org_jnativehook_mouse_NativeMouseWheelEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_WHEEL,
(jint) event->mask,
(jint) event->data.wheel.x,
(jint) event->data.wheel.y,
(jint) event->data.wheel.clicks,
(jint) event->data.wheel.type,
(jint) event->data.wheel.amount,
(jint) event->data.wheel.rotation,
(jint) event->data.wheel.direction);
break;
default:
jni_Logger(env, LOG_LEVEL_WARN, "%s [%u]: Unknown native event type: %#X\n",
__FUNCTION__, __LINE__, event->type);
break;
}
if (NativeInputEvent_obj != NULL) {
// Set the private when field to the native event time.
(*env)->SetShortField(
env,
NativeInputEvent_obj,
org_jnativehook_NativeInputEvent->when,
(jlong) event->time);
// Dispatch the event.
(*env)->CallStaticVoidMethod(
env,
org_jnativehook_GlobalScreen$NativeHookThread->cls,
org_jnativehook_GlobalScreen$NativeHookThread->dispatchEvent,
NativeInputEvent_obj);
// Set the propagate flag from java.
event->reserved = (unsigned short) (*env)->GetShortField(
env,
NativeInputEvent_obj,
org_jnativehook_NativeInputEvent->reserved);
// Make sure our object is garbage collected.
(*env)->DeleteLocalRef(env, NativeInputEvent_obj);
}
}
}