AddNodePopup improvements

material_maker/graph_edit.gd

@@ -164,6 +164,7 @@ func update_graph(generators, connections) -> Array:
 		rv.push_back(node)
 	for c in connections:
 		.connect_node("node_"+c.from, c.from_port, "node_"+c.to, c.to_port)
+	
 	return rv
 
 func new_material() -> void:
@@ -372,12 +373,18 @@ func set_last_selected(node) -> void:
 
 func _on_GraphEdit_gui_input(event) -> void:
 	if event.is_action_pressed("ui_library_popup") && get_rect().has_point(get_local_mouse_position()):
-		$AddNodePopup.rect_global_position = get_global_mouse_position()
-		$AddNodePopup.show()
-	
+		$"../AddNodePopup".rect_global_position = get_global_mouse_position()
+		$"../AddNodePopup".show()
 	if event is InputEventMouseButton:
 		call_deferred("check_last_selected")
 
+func request_popup(from,from_slot,release_position):
+	$"../AddNodePopup".rect_global_position = get_global_mouse_position()
+	$"../AddNodePopup".show()
+	$"../AddNodePopup".set_quick_connect(from,from_slot)
+	#$"../AddNodePopup".connect_to
+	pass
+
 func check_last_selected() -> void:
 	if last_selected != null and !(is_instance_valid(last_selected) and last_selected.selected):
 		last_selected = null

material_maker/graph_edit.tscn

@@ -1,8 +1,7 @@
-[gd_scene load_steps=8 format=2]
+[gd_scene load_steps=7 format=2]
 
 [ext_resource path="res://material_maker/graph_edit.gd" type="Script" id=1]
 [ext_resource path="res://material_maker/icons/icons.svg" type="Texture" id=2]
-[ext_resource path="res://material_maker/widgets/add_node_popup.tscn" type="PackedScene" id=3]
 
 [sub_resource type="StyleBoxFlat" id=1]
 bg_color = Color( 0.6, 0.6, 0.6, 0 )
@@ -29,13 +28,15 @@ custom_styles/bg = SubResource( 1 )
 right_disconnects = true
 use_snap = false
 script = ExtResource( 1 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
 
 [node name="Timer" type="Timer" parent="."]
 wait_time = 0.2
 one_shot = true
 
 [node name="GraphUI" type="HBoxContainer" parent="."]
-editor/display_folded = true
 anchor_left = 1.0
 anchor_right = 1.0
 margin_left = -262.0
@@ -77,9 +78,8 @@ margin_right = 246.0
 margin_bottom = 24.0
 hint_tooltip = "Show hierarchy"
 icon = SubResource( 4 )
-
-[node name="AddNodePopup" parent="." instance=ExtResource( 3 )]
 [connection signal="connection_request" from="." to="." method="connect_node"]
+[connection signal="connection_to_empty" from="." to="." method="request_popup"]
 [connection signal="disconnection_request" from="." to="." method="disconnect_node"]
 [connection signal="duplicate_nodes_request" from="." to="." method="duplicate_selected"]
 [connection signal="gui_input" from="." to="." method="_on_GraphEdit_gui_input"]

material_maker/main_window.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=11 format=2]
+[gd_scene load_steps=12 format=2]
 
 [ext_resource path="res://material_maker/main_window.gd" type="Script" id=1]
 [ext_resource path="res://material_maker/library.tscn" type="PackedScene" id=2]
@@ -6,17 +6,18 @@
 [ext_resource path="res://material_maker/preview/preview_3d.tscn" type="PackedScene" id=4]
 [ext_resource path="res://material_maker/preview/preview_3d_ui.tscn" type="PackedScene" id=5]
 [ext_resource path="res://material_maker/widgets/tabs.gd" type="Script" id=6]
-[ext_resource path="res://material_maker/icons/icons.svg" type="Texture" id=7]
-[ext_resource path="res://material_maker/node_factory.gd" type="Script" id=8]
+[ext_resource path="res://material_maker/widgets/add_node_popup.tscn" type="PackedScene" id=7]
+[ext_resource path="res://material_maker/icons/icons.svg" type="Texture" id=8]
+[ext_resource path="res://material_maker/node_factory.gd" type="Script" id=9]
 
 [sub_resource type="AtlasTexture" id=1]
 flags = 4
-atlas = ExtResource( 7 )
+atlas = ExtResource( 8 )
 region = Rect2( 96, 32, 32, 32 )
 
 [sub_resource type="AtlasTexture" id=2]
 flags = 4
-atlas = ExtResource( 7 )
+atlas = ExtResource( 8 )
 region = Rect2( 96, 64, 32, 32 )
 
 [node name="MainWindow" type="Panel"]
@@ -152,6 +153,8 @@ margin_bottom = 24.0
 tab_align = 0
 tab_close_display_policy = 1
 
+[node name="AddNodePopup" parent="VBoxContainer/HBoxContainer/ProjectsPane/Projects" instance=ExtResource( 7 )]
+
 [node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer/HBoxContainer/ProjectsPane"]
 anchor_top = 1.0
 anchor_bottom = 1.0
@@ -191,7 +194,7 @@ margin_bottom = 30.0
 size_flags_vertical = 4
 
 [node name="NodeFactory" type="Node" parent="."]
-script = ExtResource( 8 )
+script = ExtResource( 9 )
 [connection signal="need_update" from="VBoxContainer/HBoxContainer/VBoxContainer/Preview/Preview3D" to="." method="update_preview_3d"]
 [connection signal="environment_selected" from="VBoxContainer/HBoxContainer/VBoxContainer/Preview/Preview3D/Preview3DUI" to="VBoxContainer/HBoxContainer/VBoxContainer/Preview/Preview3D" method="_on_Environment_item_selected"]
 [connection signal="model_selected" from="VBoxContainer/HBoxContainer/VBoxContainer/Preview/Preview3D/Preview3DUI" to="VBoxContainer/HBoxContainer/VBoxContainer/Preview/Preview3D" method="_on_Model_item_selected"]

material_maker/widgets/add_node_popup.gd

@@ -5,6 +5,8 @@ var data = []
 onready var itemlist : ItemList = $PanelContainer/VBoxContainer/ItemList 
 onready var filter_line_edit : LineEdit = $PanelContainer/VBoxContainer/Filter
 
+func get_current_graph():
+	return get_parent().get_current_tab_control()
 func _ready() -> void:
 	
 	var lib_path = OS.get_executable_path().get_base_dir()+"/library/base.json"
@@ -15,37 +17,71 @@ func _ready() -> void:
 	
 	filter_line_edit.connect("text_changed" ,self,"update_list")
 	filter_line_edit.connect("text_entered",self,"filter_entered")
-	itemlist.connect("item_activated",self,"item_activated")
-	
+	itemlist.connect("item_selected",self,"item_selected")
+	itemlist.connect("item_activated",self,"item_selected")
 	update_list()
 
 func filter_entered(filter):
-	item_activated(0)
+	item_selected(0)
+
+		#print (c.get_metadata(0))
 #func get_selected_item_name() -> String:
 #	return get_item_path(itemlist.get_selected())
-func item_activated(index):
+func add_node(data):
+	var node:GraphNode = get_current_graph().create_nodes(data,get_current_graph().offset_from_global_position(get_transform().xform(Vector2(0,0))))[0]
+	hide()
+	clear()
+	
+	# if this node created by dragging to an empty space
+	if quick_connect_node != null:
+		var type = quick_connect_node.get_connection_output_type(quick_connect_slot)
+		for new_slot in node.get_connection_input_count():
+			if type == node.get_connection_input_type(new_slot):
+				#connect the first two slots with the same type
+				get_current_graph().connect_node(quick_connect_node.name,quick_connect_slot,node.name,new_slot)
+				break 
+	quick_connect_node = null
+	
+func item_selected(index):
+	# checks if mouse left | enter pressed. it prevents
+	# adding nodes just by using arrow keys as it selects the item 
+	if Input.is_mouse_button_pressed(BUTTON_LEFT) || Input.is_key_pressed(KEY_ENTER):
 		if (index>=itemlist.get_item_count()):
 			return
 		if (itemlist.is_item_selectable(index) == false):
-		item_activated(index+1)
+			item_selected(index+1)
 			return
-	get_parent().create_nodes(data[index],get_parent().offset_from_global_position(get_global_transform().xform(get_local_mouse_position())))
+		add_node(data[index])
 		hide()
 		clear()
+
+	
 	pass
 func show():
 	.show()
+	update_list()
 	filter_line_edit.grab_focus()
-func update_list(filter=""):
+	var parent_rect = get_parent().get_parent().get_global_rect()
+
+	var clipped = parent_rect.clip(get_global_rect())
+	var offset =  (get_rect().size-clipped.size)
+	rect_position = rect_position - offset
+	
+func update_list(filter : String = "") -> void:
 	clear_list()
 	data.clear()
 	for library in libraries:
 		for obj in library:
-	
-			if (obj.tree_item.to_lower().find(filter)!=-1 || filter == ""):
+			if !obj.has("type"):
+				continue
+			var show : bool = true
+			for f in filter.to_lower().split(" ", false):
+				if f != "" && obj.tree_item.to_lower().find(f) == -1:
+					show = false
+					break
+			if show:
 				data.append(obj)
-				itemlist.add_item(obj.tree_item.split("/")[-1],get_preview_texture(obj),obj.has("type"))
-
+				itemlist.add_item(obj.tree_item, get_preview_texture(obj))
 
 func get_preview_texture(data : Dictionary) -> ImageTexture:
 	if data.has("icon") and data.has("library"):
@@ -56,6 +92,7 @@ func get_preview_texture(data : Dictionary) -> ImageTexture:
 		t = ImageTexture.new()
 		var image : Image = Image.new()
 		if image.load(image_path) == OK:
+			image.resize(16, 16)
 			t.create_from_image(image)
 		else:
 			print("Cannot load image "+image_path)
@@ -80,17 +117,29 @@ func add_library(file_name : String, filter : String = "") -> bool:
 	return false
 
 
+# Quickly connecting when tried to connect to empty
+var quick_connect_node:GraphNode
+var quick_connect_slot = 0
+func set_quick_connect(from,from_slot):
+	quick_connect_node = get_current_graph().get_node(from)
+	quick_connect_slot = from_slot
+
 func _input(event):
 	if event is InputEventMouseButton and event.is_pressed() and event.button_index == BUTTON_LEFT:
 		if !get_rect().has_point(event.position):
 			clear()
 			hide()
-			
 func _unhandled_input(event):
 	if event is InputEventKey and event.scancode == KEY_ESCAPE:
 		clear()
 		hide()
-	
 func clear():
 	filter_line_edit.text = ""
-	update_list()
+
+
+func _on_itemlist_focus_entered():
+	# if itemlist received focus and no item is yet selected
+	# select the first item
+	if itemlist.get_selected_items().size() == 0:
+		itemlist.select(0)
+	pass # Replace with function body.

material_maker/widgets/add_node_popup.tscn

@@ -3,7 +3,6 @@
 [ext_resource path="res://material_maker/widgets/add_node_popup.gd" type="Script" id=1]
 
 [node name="AddNodePopup" type="Popup"]
-visible = true
 margin_right = 228.0
 margin_bottom = 319.0
 mouse_filter = 1
@@ -31,3 +30,5 @@ margin_right = 214.0
 margin_bottom = 305.0
 size_flags_horizontal = 3
 size_flags_vertical = 3
+allow_reselect = true
+[connection signal="focus_entered" from="PanelContainer/VBoxContainer/ItemList" to="." method="_on_itemlist_focus_entered"]