From 0cbed08aa9bf88b22dbc734be620addd4926c463 Mon Sep 17 00:00:00 2001
From: "jose.pereda" <jose.pereda@gluonhq.com>
Date: Fri, 22 May 2020 13:35:59 +0200
Subject: [PATCH] Use iOS long press gesture to generate a menu event

---
 .../main/native-glass/ios/GlassApplication.m  |  2 ++
 .../main/native-glass/ios/GlassViewDelegate.m | 29 +++++++++++++++++++
 .../src/main/native-glass/ios/common.h        |  1 +
 3 files changed, 32 insertions(+)

diff --git a/modules/javafx.graphics/src/main/native-glass/ios/GlassApplication.m b/modules/javafx.graphics/src/main/native-glass/ios/GlassApplication.m
index d8e0df80f2a..a2a41380b2d 100644
--- a/modules/javafx.graphics/src/main/native-glass/ios/GlassApplication.m
+++ b/modules/javafx.graphics/src/main/native-glass/ios/GlassApplication.m
@@ -62,6 +62,7 @@
 jmethodID mat_jViewNotifyRepaint = 0;
 jmethodID mat_jViewNotifyKey = 0;
 jmethodID mat_jViewNotifyMouse = 0;
+jmethodID mat_jViewNotifyMenu = 0;
 jmethodID mat_jViewNotifyInputMethod = 0;
 jmethodID mat_jViewNotifyView = 0;
 
@@ -671,6 +672,7 @@ - (void)dealloc {
     mat_jViewNotifyResize = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyResize", "(II)V");
     mat_jViewNotifyRepaint = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyRepaint", "(IIII)V");
     mat_jViewNotifyMouse = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyMouse", "(IIIIIIIZZ)V");
+    mat_jViewNotifyMenu = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyMenu", "(IIIIZ)V");
     mat_jViewNotifyInputMethod = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyInputMethod", "(Ljava/lang/String;[I[I[BIII)V");
     mat_jViewNotifyView = (*env)->GetMethodID(env, mat_jViewBaseClass, "notifyView", "(I)V");
     GLASS_CHECK_EXCEPTION(env);
diff --git a/modules/javafx.graphics/src/main/native-glass/ios/GlassViewDelegate.m b/modules/javafx.graphics/src/main/native-glass/ios/GlassViewDelegate.m
index d0dc7ba2808..024a4a6b695 100644
--- a/modules/javafx.graphics/src/main/native-glass/ios/GlassViewDelegate.m
+++ b/modules/javafx.graphics/src/main/native-glass/ios/GlassViewDelegate.m
@@ -375,6 +375,19 @@ - (void)handleRotateGesture:(UIRotationGestureRecognizer*)sender {
 }
 
 
+- (void)handleLongPressGesture:(UILongPressGestureRecognizer*)sender {
+    if (sender.state == UIGestureRecognizerStateBegan) {
+        // Simulate right-click
+        CGPoint viewPoint = [sender locationInView:self.uiView.superview];
+        [self sendJavaMouseEvent:viewPoint type:com_sun_glass_events_MouseEvent_ENTER button:com_sun_glass_events_MouseEvent_BUTTON_NONE];
+        [self sendJavaMouseEvent:viewPoint type:com_sun_glass_events_MouseEvent_DOWN button:com_sun_glass_events_MouseEvent_BUTTON_RIGHT];
+    } else if (sender.state == UIGestureRecognizerStateEnded) {
+        // Prevent touch ended event
+        self.mouseTouch = nil;
+    }
+}
+
+
 - (id)initWithView:(UIScrollView*)view withJview:(jobject)jview
 {
     self = [super init];
@@ -422,6 +435,15 @@ - (id)initWithView:(UIScrollView*)view withJview:(jobject)jview
         [panGestureRecognizer setCancelsTouchesInView:NO];
         [panGestureRecognizer setDelaysTouchesBegan:NO];
         [panGestureRecognizer setDelaysTouchesEnded:NO];
+        //LongPress
+        UILongPressGestureRecognizer *longPressGesture =
+            [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPressGesture:)];
+        [longPressGesture setCancelsTouchesInView:NO];
+        [longPressGesture setDelaysTouchesEnded:NO];
+        [longPressGesture setDelaysTouchesBegan:NO];
+        [self.uiView addGestureRecognizer:longPressGesture];
+        [longPressGesture setDelegate:ggDelegate];
+        [longPressGesture release];
     }
     return self;
 }
@@ -551,6 +573,13 @@ - (void)sendJavaMouseEvent:(CGPoint)viewPoint type:(int)type button:(int)button
                            (jint)viewPoint.x, (jint)viewPoint.y, (jint)viewPoint.x, (jint)viewPoint.y,
                            modifiers, isPopupTrigger, isSynthesized);
     GLASS_CHECK_EXCEPTION(env);
+
+    if (isPopupTrigger) {
+        jboolean isKeyboardTrigger = JNI_FALSE;
+        (*env)->CallVoidMethod(env, self.jView, mat_jViewNotifyMenu,
+                               (jint)viewPoint.x, (jint)viewPoint.y, (jint)viewPoint.x, (jint)viewPoint.y, isKeyboardTrigger);
+        GLASS_CHECK_EXCEPTION(env);
+    }
 }
 
 
diff --git a/modules/javafx.graphics/src/main/native-glass/ios/common.h b/modules/javafx.graphics/src/main/native-glass/ios/common.h
index 70153aeb9f4..282fbc57e28 100644
--- a/modules/javafx.graphics/src/main/native-glass/ios/common.h
+++ b/modules/javafx.graphics/src/main/native-glass/ios/common.h
@@ -53,6 +53,7 @@ extern jmethodID mat_jViewNotifyResize;
 extern jmethodID mat_jViewNotifyRepaint;
 extern jmethodID mat_jViewNotifyKey;
 extern jmethodID mat_jViewNotifyMouse;
+extern jmethodID mat_jViewNotifyMenu;
 extern jmethodID mat_jViewNotifyInputMethod;
 extern jmethodID mat_jViewNotifyView;