From efa61afc713e86e99b9f45f56dc4736be90967be Mon Sep 17 00:00:00 2001
From: Julian Winkler <julian.winkler1@web.de>
Date: Tue, 27 Feb 2024 06:57:22 +0100
Subject: [PATCH] implement View.OnLongClickListener as GtkGestureLongPress

---
 .../generated_headers/android_view_View.h     |  8 ++++
 src/api-impl-jni/views/android_view_View.c    | 40 +++++++++++++++++++
 src/api-impl/android/view/View.java           |  2 +-
 3 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/src/api-impl-jni/generated_headers/android_view_View.h b/src/api-impl-jni/generated_headers/android_view_View.h
index ecbc2e89..423d9db9 100644
--- a/src/api-impl-jni/generated_headers/android_view_View.h
+++ b/src/api-impl-jni/generated_headers/android_view_View.h
@@ -311,6 +311,14 @@ JNIEXPORT void JNICALL Java_android_view_View_setBackgroundColor
 JNIEXPORT void JNICALL Java_android_view_View_native_1setVisibility
   (JNIEnv *, jobject, jlong, jint, jfloat);
 
+/*
+ * Class:     android_view_View
+ * Method:    setOnLongClickListener
+ * Signature: (Landroid/view/View/OnLongClickListener;)V
+ */
+JNIEXPORT void JNICALL Java_android_view_View_setOnLongClickListener
+  (JNIEnv *, jobject, jobject);
+
 /*
  * Class:     android_view_View
  * Method:    native_getGlobalVisibleRect
diff --git a/src/api-impl-jni/views/android_view_View.c b/src/api-impl-jni/views/android_view_View.c
index db9b5da8..4d8ec910 100644
--- a/src/api-impl-jni/views/android_view_View.c
+++ b/src/api-impl-jni/views/android_view_View.c
@@ -463,3 +463,43 @@ JNIEXPORT jboolean JNICALL Java_android_view_View_native_1getGlobalVisibleRect(J
 	_SET_INT_FIELD(rect, "bottom", point_out.y - off_y);
 	return true;
 }
+
+static void on_long_click(GtkGestureLongPress *gesture, double x, double y, struct touch_callback_data *d)
+{
+	JNIEnv *env;
+	(*d->jvm)->GetEnv(d->jvm, (void**)&env, JNI_VERSION_1_6);
+
+	bool ret =(*env)->CallBooleanMethod(env, d->on_touch_listener, _METHOD(d->on_touch_listener_class, "onLongClick", "(Landroid/view/View;)Z"), d->this);
+
+	if((*env)->ExceptionCheck(env))
+		(*env)->ExceptionDescribe(env);
+
+	if (ret)
+		gtk_gesture_set_state(GTK_GESTURE(gesture), GTK_EVENT_SEQUENCE_CLAIMED);
+}
+
+JNIEXPORT void JNICALL Java_android_view_View_setOnLongClickListener(JNIEnv *env, jobject this, jobject on_long_click_listener)
+{
+	GtkWidget *widget = GTK_WIDGET(_PTR(_GET_LONG_FIELD(this, "widget")));
+	if (!on_long_click_listener)
+		return;
+
+	JavaVM *jvm;
+	(*env)->GetJavaVM(env, &jvm);
+
+	struct touch_callback_data *callback_data = malloc(sizeof(struct touch_callback_data));
+	callback_data->jvm = jvm;
+	callback_data->this = _REF(this);
+ 	callback_data->on_touch_listener = _REF(on_long_click_listener);
+	callback_data->on_touch_listener_class = _REF(_CLASS(callback_data->on_touch_listener));
+
+	GtkEventController *old_controller = g_object_get_data(G_OBJECT(widget), "on_long_click_listener");
+	if(old_controller)
+		gtk_widget_remove_controller(widget, old_controller);
+
+	GtkEventController *controller = GTK_EVENT_CONTROLLER(gtk_gesture_long_press_new());
+
+	g_signal_connect(controller, "pressed", G_CALLBACK(on_long_click), callback_data);
+	gtk_widget_add_controller(widget, controller);
+	g_object_set_data(G_OBJECT(widget), "on_long_click_listener", controller);
+}
diff --git a/src/api-impl/android/view/View.java b/src/api-impl/android/view/View.java
index 193e1d42..3eb56e78 100644
--- a/src/api-impl/android/view/View.java
+++ b/src/api-impl/android/view/View.java
@@ -1137,7 +1137,7 @@ public class View extends Object {
 		return null;
 	}
 
-	public void setOnLongClickListener(OnLongClickListener listener) {}
+	public native void setOnLongClickListener(OnLongClickListener listener);
 
 	public void setLongClickable(boolean longClickable) {}