[3.x] Add iOS UI Options

doc/classes/ProjectSettings.xml

@@ -483,6 +483,13 @@
 		<member name="display/window/ios/hide_home_indicator" type="bool" setter="" getter="" default="true">
 			If [code]true[/code], the home indicator is hidden automatically. This only affects iOS devices without a physical home button.
 		</member>
+		<member name="display/window/ios/hide_status_bar" type="bool" setter="" getter="" default="true">
+			If [code]true[/code], the status bar is hidden while the app is running.
+		</member>
+		<member name="display/window/ios/suppress_ui_gesture" type="bool" setter="" getter="" default="true">
+			If [code]true[/code], it will require two swipes to access iOS UI that uses gestures.
+			[b]Note:[/b] This setting has no effect on the home indicator if [code]hide_home_indicator[/code] is [code]true[/code].
+		</member>
 		<member name="display/window/per_pixel_transparency/allowed" type="bool" setter="" getter="" default="false">
 			If [code]true[/code], allows per-pixel transparency for the window background. This affects performance, so leave it on [code]false[/code] unless you need it.
 			See [member OS.window_per_pixel_transparency_enabled] for more details.

main/main.cpp

@@ -1281,6 +1281,8 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 	}
 
 	GLOBAL_DEF("display/window/ios/hide_home_indicator", true);
+	GLOBAL_DEF("display/window/ios/hide_status_bar", true);
+	GLOBAL_DEF("display/window/ios/suppress_ui_gesture", true);
 	GLOBAL_DEF("input_devices/pointing/ios/touch_delay", 0.15);
 	ProjectSettings::get_singleton()->set_custom_property_info("input_devices/pointing/ios/touch_delay",
 			PropertyInfo(Variant::REAL,

platform/iphone/view_controller.mm

@@ -168,7 +168,11 @@
 // MARK: Orientation
 
 - (UIRectEdge)preferredScreenEdgesDeferringSystemGestures {
-	return UIRectEdgeAll;
+	if (GLOBAL_GET("display/window/ios/suppress_ui_gesture")) {
+		return UIRectEdgeAll;
+	} else {
+		return UIRectEdgeNone;
+	}
 }
 
 - (BOOL)shouldAutorotate {
@@ -210,7 +214,11 @@
 }
 
 - (BOOL)prefersStatusBarHidden {
-	return YES;
+	if (GLOBAL_GET("display/window/ios/hide_status_bar")) {
+		return YES;
+	} else {
+		return NO;
+	}
 }
 
 - (BOOL)prefersHomeIndicatorAutoHidden {