From cc7288510792f805135ce78374e6e1d0b58c1ee3 Mon Sep 17 00:00:00 2001
From: Tomasz Chabora <kobewi4e@gmail.com>
Date: Tue, 24 Dec 2019 00:03:24 +0100
Subject: Make new ScrollContainer focus behavior optional

---
 doc/classes/ScrollContainer.xml |  3 +++
 scene/gui/scroll_container.cpp  | 17 +++++++++++++++++
 scene/gui/scroll_container.h    |  4 ++++
 3 files changed, 24 insertions(+)

diff --git a/doc/classes/ScrollContainer.xml b/doc/classes/ScrollContainer.xml
index 5218b65886..f57730a591 100644
--- a/doc/classes/ScrollContainer.xml
+++ b/doc/classes/ScrollContainer.xml
@@ -24,6 +24,9 @@
 	</methods>
 	<members>
 		<member name="rect_clip_content" type="bool" setter="set_clip_contents" getter="is_clipping_contents" override="true" default="true" />
+		<member name="follow_focus" type="bool" setter="set_follow_focus" getter="is_following_focus" default="false">
+			If [code]true[/code], the ScrollContainer will automatically scroll to focused children (including indirect children) to make sure they are fully visible.
+		</member>
 		<member name="scroll_deadzone" type="int" setter="set_deadzone" getter="get_deadzone" default="0">
 		</member>
 		<member name="scroll_horizontal" type="int" setter="set_h_scroll" getter="get_h_scroll" default="0">
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index cb9ae875b7..c44cebb84a 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -235,6 +235,10 @@ void ScrollContainer::_update_scrollbar_position() {
 
 void ScrollContainer::_ensure_focused_visible(Control *p_control) {
 
+	if (!follow_focus) {
+		return;
+	}
+
 	if (is_a_parent_of(p_control)) {
 		Rect2 global_rect = get_global_rect();
 		Rect2 other_rect = p_control->get_global_rect();
@@ -506,6 +510,14 @@ void ScrollContainer::set_deadzone(int p_deadzone) {
 	deadzone = p_deadzone;
 }
 
+bool ScrollContainer::is_following_focus() const {
+	return follow_focus;
+}
+
+void ScrollContainer::set_follow_focus(int p_follow) {
+	follow_focus = p_follow;
+}
+
 String ScrollContainer::get_configuration_warning() const {
 
 	int found = 0;
@@ -555,6 +567,8 @@ void ScrollContainer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_v_scroll"), &ScrollContainer::get_v_scroll);
 	ClassDB::bind_method(D_METHOD("set_deadzone", "deadzone"), &ScrollContainer::set_deadzone);
 	ClassDB::bind_method(D_METHOD("get_deadzone"), &ScrollContainer::get_deadzone);
+	ClassDB::bind_method(D_METHOD("set_follow_focus", "enabled"), &ScrollContainer::set_follow_focus);
+	ClassDB::bind_method(D_METHOD("is_following_focus"), &ScrollContainer::is_following_focus);
 
 	ClassDB::bind_method(D_METHOD("get_h_scrollbar"), &ScrollContainer::get_h_scrollbar);
 	ClassDB::bind_method(D_METHOD("get_v_scrollbar"), &ScrollContainer::get_v_scrollbar);
@@ -562,6 +576,8 @@ void ScrollContainer::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("scroll_started"));
 	ADD_SIGNAL(MethodInfo("scroll_ended"));
 
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_focus"), "set_follow_focus", "is_following_focus");
+
 	ADD_GROUP("Scroll", "scroll_");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_horizontal_enabled"), "set_enable_h_scroll", "is_h_scroll_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_horizontal"), "set_h_scroll", "get_h_scroll");
@@ -593,6 +609,7 @@ ScrollContainer::ScrollContainer() {
 	scroll_v = true;
 
 	deadzone = GLOBAL_GET("gui/common/default_scroll_deadzone");
+	follow_focus = false;
 
 	set_clip_contents(true);
 };
diff --git a/scene/gui/scroll_container.h b/scene/gui/scroll_container.h
index 1d247f14c6..d4576372ac 100644
--- a/scene/gui/scroll_container.h
+++ b/scene/gui/scroll_container.h
@@ -62,6 +62,7 @@ class ScrollContainer : public Container {
 	bool scroll_v;
 
 	int deadzone;
+	bool follow_focus;
 
 	void _cancel_drag();
 
@@ -93,6 +94,9 @@ public:
 	int get_deadzone() const;
 	void set_deadzone(int p_deadzone);
 
+	bool is_following_focus() const;
+	void set_follow_focus(int p_follow);
+
 	HScrollBar *get_h_scrollbar();
 	VScrollBar *get_v_scrollbar();
 
-- 
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