adding faster layout definers

make sure we store each command hash individually

imgi_demo/imgi.asc

@@ -295,6 +295,9 @@ struct ImGi_Context
   // Layout
   import void LayoutRow(int items, int widths[], int height = 0);
   import void LayoutRow1(int width, int height = 0);
+  import void LayoutRow2(int w1, int w2, int height = 0);
+  import void LayoutRow3(int w1, int w2, int w3, int height = 0);
+  import void LayoutRow4(int w1, int w2, int w3, int w4, int height = 0);
 
   // Controls
   import ImGi_Res BeginWindow(String title, int x, int y, int width, int height, ImGi_Opt opt = 0);
@@ -909,6 +912,48 @@ ImGi_Context::LayoutRow1(int width, int height)
   layout.item_index = 0;
 }
 
+void
+ImGi_Context::LayoutRow2(int w1, int w2, int height)
+{
+  ImGi_Layout* layout = this.get_layout();
+  layout.widths[0] = w1;
+  layout.widths[1] = w2;
+  layout.items = 2;
+  layout.pos_x = layout.indent;
+  layout.pos_y = layout.next_row;
+  layout.size_y = height;
+  layout.item_index = 0;
+}
+
+void
+ImGi_Context::LayoutRow3(int w1, int w2, int w3, int height)
+{
+  ImGi_Layout* layout = this.get_layout();
+  layout.widths[0] = w1;
+  layout.widths[1] = w2;
+  layout.widths[2] = w3;
+  layout.items = 3;
+  layout.pos_x = layout.indent;
+  layout.pos_y = layout.next_row;
+  layout.size_y = height;
+  layout.item_index = 0;
+}
+
+void
+ImGi_Context::LayoutRow4(int w1, int w2, int w3, int w4, int height)
+{
+  ImGi_Layout* layout = this.get_layout();
+  layout.widths[0] = w1;
+  layout.widths[1] = w2;
+  layout.widths[2] = w3;
+  layout.widths[3] = w4;
+  layout.items = 4;
+  layout.pos_x = layout.indent;
+  layout.pos_y = layout.next_row;
+  layout.size_y = height;
+  layout.item_index = 0;
+}
+
 void
 push_layout(this ImGi_Context*, Rect* body, Point* scroll)
 {
@@ -2370,12 +2415,13 @@ ImGi_Context _ImGi;
 int
 _ImGi_Calculate_Command_Hash()
 {
-  int hn = 0;
+  int hn;
+  int hlist = HASH_INITIAL;
 
   for (int ic = 0; ic <  _ctx_stk_cmd_index; ic++)
   {
     //  hn = (hn ^ c.type)* 16777619;
-    hn = (hn ^ CMD_IC.dst_idx) * 16777619;
+    hn = (HASH_INITIAL ^ CMD_IC.dst_idx) * 16777619;
     hn = (hn ^ CMD_IC.r.x) * 16777619;
     hn = (hn ^ CMD_IC.r.y) * 16777619;
     hn = (hn ^ CMD_IC.r.w) * 16777619;
@@ -2394,8 +2440,10 @@ _ImGi_Calculate_Command_Hash()
       //  hn = (hn ^ s.Chars[k])* 16777619;
       //}
     }
+    CMD_IC.hash = hn;
+    hlist = (hlist ^ hn) * 16777619;
   }
-  return hn;
+  return hlist;
 }
 // select SO or MO
 // - SO: Single Overlay Rendering, slower but more compatible
@@ -2805,6 +2853,31 @@ ImGi::LayoutRow(int items, int widths[], int height)
   _ImGi.LayoutRow(items, widths, height);
 }
 
+static void
+ImGi::LayoutRow1(int width, int height)
+{
+  _ImGi.LayoutRow1(width, height);
+}
+
+static void
+ImGi::LayoutRow2(int column_1_width, int column_2_width, int height)
+{
+  _ImGi.LayoutRow2(column_1_width, column_2_width, height);
+}
+
+static void
+ImGi::LayoutRow3(int column_1_width, int column_2_width, int column_3_width, int height)
+{
+  _ImGi.LayoutRow3(column_1_width, column_2_width, column_3_width, height);
+}
+
+static void
+ImGi::LayoutRow4(int column_1_width, int column_2_width, int column_3_width, int column_4_width, int height)
+{
+  _ImGi.LayoutRow4(column_1_width, column_2_width, column_3_width, column_4_width, height);
+}
+
+
 // Controls
 static ImGi_Res
 ImGi::BeginWindow(String title, int x, int y, int width, int height,

imgi_demo/imgi.ash

@@ -131,6 +131,18 @@ builtin struct ImGi
 
   /// Pass an array of widths with count elements to configure the columns in a row. You can optionally specify a height.
   import static void LayoutRow(int count, int widths[], int height = 0);
+
+  /// The layout of the next and following rows will have a single column of following width. You can optionally specify a height.
+  import static void LayoutRow1(int width, int height = 0);
+
+  /// The layout of the next and following rows will have 2 columns of each specified widths. You can optionally specify a height.
+  import static void LayoutRow2(int w1, int w2, int height = 0);
+
+  /// The layout of the next and following rows will have 3 columns of each specified widths. You can optionally specify a height.
+  import static void LayoutRow3(int w1, int w2, int w3, int height = 0);
+
+  /// The layout of the next and following rows will have 4 columns of each specified widths. You can optionally specify a height.
+  import static void LayoutRow4(int w1, int w2, int w3, int w4, int height = 0);
 
   // Containers