Update layout component

druid/base/static_grid.lua

@@ -33,9 +33,12 @@
 --- The last index of node in grid
 -- @tfield number last_index
 
---- Item anchor
+--- Item anchor [0..1]
 -- @tfield vector3 anchor
 
+--- Item pivot [-0.5..0.5]
+-- @tfield vector3 pivot
+
 --- Item size
 -- @tfield vector3 node_size
 

druid/component.lua

@@ -173,7 +173,7 @@ function BaseComponent.get_node(self, node_or_name)
 	end
 
 	if not node then
-		assert(node, "No component with name: " .. template_name .. node_or_name)
+		assert(node, "No component with name: " .. (template_name or "") .. (node_or_name or ""))
 	end
 
 	return node

druid/const.lua

@@ -87,6 +87,8 @@ M.REVERSE_PIVOTS = {
 M.LAYOUT_MODE = {
 	STRETCH_X = "stretch_x",
     STRETCH_Y = "stretch_y",
+	ZOOM_MIN = "zoom_min",
+	ZOOM_MAX = "zoom_max",
     FIT = gui.ADJUST_FIT,
     STRETCH = gui.ADJUST_STRETCH,
 }

druid/extended/layout.lua

@@ -23,6 +23,7 @@ function Layout:init(node, mode, on_size_changed_callback)
     self._min_size = nil
     self._max_size = nil
     self._inited = false
+    self._is_stretch_position = nil
 
     self.gui_size = vmath.vector3(gui.get_width(), gui.get_height(), 0)
     self.mode = mode or const.LAYOUT_MODE.FIT
@@ -81,11 +82,14 @@ function Layout:on_window_resized()
         new_size.x = math.min(new_size.x, self._max_size.x)
         new_size.y = math.min(new_size.y, self._max_size.y)
     end
-
     gui.set_size(self.node, new_size)
 
-    self.position.x = self.origin_position.x + self.origin_position.x * (1 - x_koef) * self.pivot.x * 2
-    self.position.y = self.origin_position.y + self.origin_position.y * (1 - y_koef) * self.pivot.y * 2
+    self.position.x = self.origin_position.x
+    self.position.y = self.origin_position.y
+    if self._is_stretch_position then
+        self.position.x = self.position.x + self.origin_position.x * (1 - x_koef) * (self.pivot.x * 2)
+        self.position.y = self.position.y + self.origin_position.y * (1 - y_koef) * (self.pivot.y * 2)
+    end
     gui.set_position(self.node, self.position)
 
     self.on_size_changed:trigger(self:get_context(), new_size)
@@ -110,6 +114,14 @@ function Layout:set_origin_position(new_origin_position)
 end
 
 
+--@tparam boolean state
+function Layout:set_stretch_position(state)
+    self._is_stretch_position = state
+    self:on_window_resized()
+    return self
+end
+
+
 function Layout:set_origin_size(new_origin_size)
     self.origin_size = new_origin_size or self.origin_size
     self:on_window_resized()