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comparison android/dw.cpp @ 2490:62e124eecd82

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Android: Implement timers and beep. Some general code cleanup.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Fri, 30 Apr 2021 04:56:52 +0000
parents 6c01b0132813
children e2ca6c1a4661
comparison
equal deleted inserted replaced
2489:6c01b0132813 2490:62e124eecd82
359 void *params[8] = { NULL }; 359 void *params[8] = { NULL };
360 360
361 _dw_event_handler(obj1, params, message); 361 _dw_event_handler(obj1, params, message);
362 } 362 }
363 363
364 /* Handler for Timer events */
365 JNIEXPORT jint JNICALL
366 Java_org_dbsoft_dwindows_DWindows_eventHandlerTimer(JNIEnv* env, jobject obj, jlong sigfunc, jlong data) {
367 int (*timerfunc)(void *) = (int (* API)(void *))sigfunc;
368
369 pthread_setspecific(_dw_env_key, env);
370 return timerfunc((void *)data);
371 }
372
364 /* This function adds a signal handler callback into the linked list. 373 /* This function adds a signal handler callback into the linked list.
365 */ 374 */
366 void _dw_new_signal(ULONG message, HWND window, int msgid, void *signalfunction, void *discfunc, void *data) 375 void _dw_new_signal(ULONG message, HWND window, int msgid, void *signalfunction, void *discfunc, void *data)
367 { 376 {
368 SignalHandler *newsig = (SignalHandler *)malloc(sizeof(SignalHandler)); 377 SignalHandler *newsig = (SignalHandler *)malloc(sizeof(SignalHandler));
3451 * freq: Frequency. 3460 * freq: Frequency.
3452 * dur: Duration. 3461 * dur: Duration.
3453 */ 3462 */
3454 void API dw_beep(int freq, int dur) 3463 void API dw_beep(int freq, int dur)
3455 { 3464 {
3465 JNIEnv *env;
3466
3467 if((env = (JNIEnv *)pthread_getspecific(_dw_env_key)))
3468 {
3469 // First get the class that contains the method you need to call
3470 jclass clazz = _dw_find_class(env, DW_CLASS_NAME);
3471 // Get the method that you want to call
3472 jmethodID doBeep = env->GetMethodID(clazz, "doBeep", "(I)V");
3473 // Call the method on the object
3474 env->CallVoidMethod(_dw_obj, doBeep, dur);
3475 }
3456 } 3476 }
3457 3477
3458 /* Call this after drawing to the screen to make sure 3478 /* Call this after drawing to the screen to make sure
3459 * anything you have drawn is visible. 3479 * anything you have drawn is visible.
3460 */ 3480 */
3524 * Returns: 3544 * Returns:
3525 * Timer ID for use with dw_timer_disconnect(), 0 on error. 3545 * Timer ID for use with dw_timer_disconnect(), 0 on error.
3526 */ 3546 */
3527 int API dw_timer_connect(int interval, void *sigfunc, void *data) 3547 int API dw_timer_connect(int interval, void *sigfunc, void *data)
3528 { 3548 {
3529 return 0; 3549 JNIEnv *env;
3550 int retval = 0;
3551
3552 if((env = (JNIEnv *)pthread_getspecific(_dw_env_key)))
3553 {
3554 // Use a long paramater
3555 jlong longinterval = (jlong)interval;
3556 // First get the class that contains the method you need to call
3557 jclass clazz = _dw_find_class(env, DW_CLASS_NAME);
3558 // Get the method that you want to call
3559 jmethodID timerConnect = env->GetMethodID(clazz, "timerConnect",
3560 "(JJJ)Ljava/util/Timer;");
3561 // Call the method on the object
3562 retval = DW_POINTER_TO_INT(env->NewGlobalRef(env->CallObjectMethod(_dw_obj,
3563 timerConnect, longinterval, (jlong)sigfunc, (jlong)data)));
3564 }
3565 return retval;
3530 } 3566 }
3531 3567
3532 /* 3568 /*
3533 * Removes timer callback. 3569 * Removes timer callback.
3534 * Parameters: 3570 * Parameters:
3535 * id: Timer ID returned by dw_timer_connect(). 3571 * id: Timer ID returned by dw_timer_connect().
3536 */ 3572 */
3537 void API dw_timer_disconnect(int timerid) 3573 void API dw_timer_disconnect(int timerid)
3538 { 3574 {
3575 JNIEnv *env;
3576
3577 if(timerid && (env = (JNIEnv *)pthread_getspecific(_dw_env_key)))
3578 {
3579 // Use a long paramater
3580 jobject timer = (jobject)timerid;
3581 // First get the class that contains the method you need to call
3582 jclass clazz = _dw_find_class(env, DW_CLASS_NAME);
3583 // Get the method that you want to call
3584 jmethodID timerDisconnect = env->GetMethodID(clazz, "timerDisconnect",
3585 "(Ljava/util/Timer;)V");
3586 // Call the method on the object
3587 env->CallVoidMethod(_dw_obj, timerDisconnect, timer);
3588 }
3539 } 3589 }
3540 3590
3541 /* 3591 /*
3542 * Add a callback to a window event. 3592 * Add a callback to a window event.
3543 * Parameters: 3593 * Parameters: