added separators

src/editor/ui.d

@@ -282,6 +282,12 @@ PrevSiblingPanel(UIItem* panel)
 	return result;
 }
 
+UIItem*
+PeekParent()
+{
+	return g_ui_ctx.top_parent == g_UI_NIL_NODE ? g_UI_NIL : g_ui_ctx.top_parent.item;
+}
+
 UIItem*
 PopParent()
 {

src/editor/widgets.d

@@ -1,6 +1,7 @@
 import dlib;
 
 import ui;
+import std.format : sformat;
 
 UIItem*
 Root()
@@ -15,13 +16,34 @@ Root()
 UIItem*
 Panel(string id, f32 x_pct, f32 y_pct, Axis2D layout_axis, Vec4 color)
 {
+	UIItem* prev_panel = PeekSiblingPanel();
+	UIItem* parent = PeekParent();
+
+	if (!Nil(prev_panel) && parent != prev_panel)
+	{
+		f32 sep_y = 1.0, sep_x = 1.0;
+		if (parent.layout_axis == A2D.X)
+		{	
+			sep_x = 0.005;
+			//x_pct -= 0.005;
+		}
+		else
+		{
+			sep_y = 0.005;
+			//y_pct -= 0.005;
+		}
+
+		u8[128] buf;
+		(cast(char[])buf).sformat("sep_%s", id);
+
+		Separator(buf, sep_x, sep_y);
+	}
+
 	SetColor(color);
 	SetLayoutAxis(layout_axis);
 	UIItem* item = BuildItem(id, UISize(ST.Percentage, x_pct), UISize(ST.Percentage, y_pct), UIF.DrawBackground);
 
-	UIItem* prev_panel = PrevSiblingPanel(item);
+	UIItem* sibling = PrevSiblingPanel(item);
-
-	Logf("%s %s", id, !Nil(prev_panel));
 
 	PushSiblingPanel(item);
 	PushParent(item);
@@ -29,6 +51,16 @@ Panel(string id, f32 x_pct, f32 y_pct, Axis2D layout_axis, Vec4 color)
 	return item;
 }
 
+UIItem* 
+Separator(u8[] id, f32 x_pct, f32 y_pct)
+{
+	SetColor(Vec4(0.0, 0.0, 0.0, 1.0));
+
+	UIItem* item = BuildItem(id, UISize(ST.Percentage, x_pct), UISize(ST.Percentage, y_pct), UIF.DrawBackground);
+
+	return item;
+}
+
 void
 EndPanel()
 {