Adds a `scale_gizmo_handles` entry to the `Touchscreen` editor settings

When enabled, this scales the editor icons to improve usability on touchscreen devices.
In addition this commit fixes touch detection for the collision_shape_2d_editor_plugin so it scales with the icons size.

1 files changed, 12 insertions, 1 deletions

diff --git a/editor/plugins/collision_shape_2d_editor_plugin.cpp b/editor/plugins/collision_shape_2d_editor_plugin.cpp
index 0aef364c2d..15c40a5cb3 100644
--- a/editor/plugins/collision_shape_2d_editor_plugin.cpp
+++ b/editor/plugins/collision_shape_2d_editor_plugin.cpp
@@ -33,6 +33,7 @@
 #include "canvas_item_editor_plugin.h"
 #include "core/os/keyboard.h"
 #include "editor/editor_node.h"
+#include "editor/editor_settings.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "scene/resources/capsule_shape_2d.h"
 #include "scene/resources/circle_shape_2d.h"
@@ -44,6 +45,10 @@
 #include "scene/resources/world_boundary_shape_2d.h"
 #include "scene/scene_string_names.h"
 
+CollisionShape2DEditor::CollisionShape2DEditor() {
+	grab_threshold = EDITOR_GET("editors/polygon_editor/point_grab_radius");
+}
+
 void CollisionShape2DEditor::_node_removed(Node *p_node) {
 	if (p_node == node) {
 		node = nullptr;
@@ -307,7 +312,7 @@ bool CollisionShape2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_e
 		if (mb->get_button_index() == MouseButton::LEFT) {
 			if (mb->is_pressed()) {
 				for (int i = 0; i < handles.size(); i++) {
-					if (xform.xform(handles[i]).distance_to(gpoint) < 8) {
+					if (xform.xform(handles[i]).distance_to(gpoint) < grab_threshold) {
 						edit_handle = i;
 
 						break;
@@ -529,6 +534,12 @@ void CollisionShape2DEditor::_notification(int p_what) {
 				_shape_changed();
 			}
 		} break;
+
+		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
+			if (EditorSettings::get_singleton()->check_changed_settings_in_group("editors/polygon_editor/point_grab_radius")) {
+				grab_threshold = EDITOR_GET("editors/polygon_editor/point_grab_radius");
+			}
+		} break;
 	}
 }