From 265715f5b20e563832f21ac2e2197961d01e4028 Mon Sep 17 00:00:00 2001
From: volzhs <volzhs@gmail.com>
Date: Tue, 23 Aug 2016 08:14:04 +0900
Subject: [PATCH] Show last added action on Input Map and implement InputEvent
 "=="

(cherry picked from commit 2e5a4cb5ca33576ea81601f949b2e633ff92213c)
---
 core/os/input_event.cpp           | 46 ++++++++++++++++++++++++++++++-
 scene/gui/tree.cpp                |  2 +-
 tools/editor/project_settings.cpp | 30 +++++++++++++++++++-
 tools/editor/project_settings.h   |  2 +-
 4 files changed, 76 insertions(+), 4 deletions(-)

diff --git a/core/os/input_event.cpp b/core/os/input_event.cpp
index 8c79657c641..f4a6de0e967 100644
--- a/core/os/input_event.cpp
+++ b/core/os/input_event.cpp
@@ -34,8 +34,52 @@
  */
 
 bool InputEvent::operator==(const InputEvent &p_event) const {
+	if (type != p_event.type){
+		return false;
+	}
 
-	return true;
+	switch(type) {
+		case KEY:
+			return key.unicode == p_event.key.unicode
+				&& key.scancode == p_event.key.scancode
+				&& key.echo == p_event.key.echo
+				&& key.pressed == p_event.key.pressed
+				&& key.mod == p_event.key.mod;
+		case MOUSE_MOTION:
+			return mouse_motion.x == p_event.mouse_motion.x
+				&& mouse_motion.y == p_event.mouse_motion.y
+				&& mouse_motion.relative_x == p_event.mouse_motion.relative_y
+				&& mouse_motion.button_mask == p_event.mouse_motion.button_mask
+				&& key.mod == p_event.key.mod;
+		case MOUSE_BUTTON:
+			return mouse_button.pressed == p_event.mouse_button.pressed
+				&& mouse_button.x == p_event.mouse_button.x
+				&& mouse_button.y == p_event.mouse_button.y
+				&& mouse_button.button_index == p_event.mouse_button.button_index
+				&& mouse_button.button_mask == p_event.mouse_button.button_mask
+				&& key.mod == p_event.key.mod;
+		case JOYSTICK_MOTION:
+			return joy_motion.axis == p_event.joy_motion.axis
+				&& joy_motion.axis_value == p_event.joy_motion.axis_value;
+		case JOYSTICK_BUTTON:
+			return joy_button.pressed == p_event.joy_button.pressed
+				&& joy_button.button_index == p_event.joy_button.button_index
+				&& joy_button.pressure == p_event.joy_button.pressure;
+		case SCREEN_TOUCH:
+			return screen_touch.pressed == p_event.screen_touch.pressed
+				&& screen_touch.index == p_event.screen_touch.index
+				&& screen_touch.x == p_event.screen_touch.x
+				&& screen_touch.y == p_event.screen_touch.y;
+		case SCREEN_DRAG:
+			return screen_drag.index == p_event.screen_drag.index
+				&& screen_drag.x == p_event.screen_drag.x
+				&& screen_drag.y == p_event.screen_drag.y;
+		case ACTION:
+			return action.action == p_event.action.action
+				&& action.pressed == p_event.action.pressed;
+	}
+
+	return false;
 }
 InputEvent::operator String() const {
 
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index c631451ed55..76c133b0b98 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -3129,7 +3129,7 @@ void Tree::ensure_cursor_is_visible() {
 	int screenh=get_size().height-h_scroll->get_combined_minimum_size().height;
 
 	if (ofs+h>v_scroll->get_val()+screenh)
-		v_scroll->set_val(ofs-screenh+h);
+		v_scroll->call_deferred("set_val", ofs-screenh+h);
 	else if (ofs < v_scroll->get_val())
 		v_scroll->set_val(ofs);
 }
diff --git a/tools/editor/project_settings.cpp b/tools/editor/project_settings.cpp
index 03eec960d27..02d95abfa21 100644
--- a/tools/editor/project_settings.cpp
+++ b/tools/editor/project_settings.cpp
@@ -245,7 +245,7 @@ void ProjectSettings::_device_input_add() {
 	undo_redo->add_undo_method(this,"_settings_changed");
 	undo_redo->commit_action();
 
-
+	_show_last_added(ie);
 }
 
 
@@ -283,7 +283,34 @@ void ProjectSettings::_press_a_key_confirm() {
 	undo_redo->add_undo_method(this,"_settings_changed");
 	undo_redo->commit_action();
 
+	_show_last_added(ie);
+}
 
+void ProjectSettings::_show_last_added(const InputEvent& p_event) {
+	TreeItem *r = input_editor->get_root();
+
+	if (!r)
+		return;
+	r=r->get_children();
+	if (!r)
+		return;
+	bool found = false;
+	while(r){
+		TreeItem *child = r->get_children();
+		while(child){
+			Variant input = child->get_meta("__input");
+			if (p_event==input){
+				child->select(0);
+				found = true;
+				break;
+			}
+			child=child->get_next();
+		}
+		if (found) break;
+		r=r->get_next();
+	}
+
+	if (found) input_editor->ensure_cursor_is_visible();
 }
 
 void ProjectSettings::_wait_for_key(const InputEvent& p_event) {
@@ -543,6 +570,7 @@ void ProjectSettings::_update_actions() {
 			}
 			action->add_button(0,get_icon("Remove","EditorIcons"),2);
 			action->set_metadata(0,i);
+			action->set_meta("__input", ie);
 		}
 	}
 }
diff --git a/tools/editor/project_settings.h b/tools/editor/project_settings.h
index 46e98f69ad6..61ad094d005 100644
--- a/tools/editor/project_settings.h
+++ b/tools/editor/project_settings.h
@@ -111,7 +111,7 @@ class ProjectSettings : public AcceptDialog {
 	void _action_button_pressed(Object* p_obj, int p_column,int p_id);
 	void _wait_for_key(const InputEvent& p_event);
 	void _press_a_key_confirm();
-
+	void _show_last_added(const InputEvent& p_event);
 
 	void _settings_prop_edited(const String& p_name);
 	void _settings_changed();