-Added diectly editable expressions on node to VSEditor, closes #6392

-Added ability for LineEdit to expand to fit text

3 files changed, 39 insertions, 5 deletions

diff --git a/modules/visual_script/visual_script_editor.cpp b/modules/visual_script/visual_script_editor.cpp
index 14708799af..acdcec7ae5 100644
--- a/modules/visual_script/visual_script_editor.cpp
+++ b/modules/visual_script/visual_script_editor.cpp
@@ -503,13 +503,21 @@ void VisualScriptEditor::_update_graph(int p_only_id) {
 		}
 
 
-		Label *text = memnew( Label );
-		text->set_text(node->get_text());
-		gnode->add_child(text);
 		if (node->cast_to<VisualScriptExpression>()) {
-			text->add_font_override("font",get_font("source","EditorFonts"));
+
+			LineEdit *line_edit = memnew( LineEdit );
+			line_edit->set_text(node->get_text());
+			line_edit->set_expand_to_text_length(true);
+			line_edit->add_font_override("font",get_font("source","EditorFonts"));
+			gnode->add_child(line_edit);
+			line_edit->connect("text_changed",this,"_expression_text_changed",varray(E->get()));
+		} else {
+			Label *text = memnew( Label );
+			text->set_text(node->get_text());
+			gnode->add_child(text);
 		}
 
+
 		if (node->cast_to<VisualScriptComment>()) {
 			Ref<VisualScriptComment> vsc=node;
 			gnode->set_comment(true);
@@ -1201,6 +1209,30 @@ void VisualScriptEditor::_member_button(Object *p_item, int p_column, int p_butt
 	}
 }
 
+void VisualScriptEditor::_expression_text_changed(const String& p_text,int p_id) {
+
+	Ref<VisualScriptExpression> vse = script->get_node(edited_func,p_id);
+	if (!vse.is_valid())
+		return;
+
+
+	updating_graph=true;
+
+	undo_redo->create_action(TTR("Change Expression"),UndoRedo::MERGE_ENDS);
+	undo_redo->add_do_property(vse.ptr(),"expression",p_text);
+	undo_redo->add_undo_property(vse.ptr(),"expression",vse->get("expression"));
+	undo_redo->add_do_method(this,"_update_graph",p_id);
+	undo_redo->add_undo_method(this,"_update_graph",p_id);
+	undo_redo->commit_action();
+
+	Node *node = graph->get_node(itos(p_id));
+	if (node->cast_to<Control>())
+		node->cast_to<Control>()->set_size(Vector2(1,1)); //shrink if text is smaller
+
+	updating_graph=false;
+
+}
+
 void VisualScriptEditor::_available_node_doubleclicked() {
 
 	TreeItem *item = nodes->get_selected();
@@ -3224,6 +3256,7 @@ void VisualScriptEditor::_bind_methods() {
 	ObjectTypeDB::bind_method("_button_resource_previewed",&VisualScriptEditor::_button_resource_previewed);
 	ObjectTypeDB::bind_method("_port_action_menu",&VisualScriptEditor::_port_action_menu);
 	ObjectTypeDB::bind_method("_selected_connect_node_method_or_setget",&VisualScriptEditor::_selected_connect_node_method_or_setget);
+	ObjectTypeDB::bind_method("_expression_text_changed",&VisualScriptEditor::_expression_text_changed);
 
 
 
diff --git a/modules/visual_script/visual_script_editor.h b/modules/visual_script/visual_script_editor.h
index 5191ed540a..483ae1644c 100644
--- a/modules/visual_script/visual_script_editor.h
+++ b/modules/visual_script/visual_script_editor.h
@@ -168,6 +168,7 @@ class VisualScriptEditor : public ScriptEditorBase {
 
 	void _member_button(Object *p_item, int p_column, int p_button);
 
+	void _expression_text_changed(const String& p_text,int p_id);
 
 
 	String revert_on_drag;
diff --git a/modules/visual_script/visual_script_expression.cpp b/modules/visual_script/visual_script_expression.cpp
index f486cf1ab1..cc3b5f2174 100644
--- a/modules/visual_script/visual_script_expression.cpp
+++ b/modules/visual_script/visual_script_expression.cpp
@@ -120,7 +120,7 @@ void VisualScriptExpression::_get_property_list( List<PropertyInfo> *p_list) con
 		argt+=","+Variant::get_type_name(Variant::Type(i));
 	}
 
-	p_list->push_back(PropertyInfo(Variant::STRING,"expression"));
+	p_list->push_back(PropertyInfo(Variant::STRING,"expression",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR));
 	p_list->push_back(PropertyInfo(Variant::INT,"out_type",PROPERTY_HINT_ENUM,argt));
 	p_list->push_back(PropertyInfo(Variant::INT,"input_count",PROPERTY_HINT_RANGE,"0,64,1"));
 	p_list->push_back(PropertyInfo(Variant::BOOL,"sequenced"));