From 8cc77af4f5c633c2ba3e9d8eeb02307092f429ad Mon Sep 17 00:00:00 2001
From: Jean Sirmai <jean@a-lec.org>
Date: Fri, 15 Dec 2023 10:54:05 +0100
Subject: [PATCH] WIP: simplifications  removing the so called 'VISIBLE_COLUMN'

---
 demos/gtk-demo/tree_store.c | 37 ++++++++++++-------------------------
 1 file changed, 12 insertions(+), 25 deletions(-)

diff --git a/demos/gtk-demo/tree_store.c b/demos/gtk-demo/tree_store.c
index 16506b7..f79656b 100644
--- a/demos/gtk-demo/tree_store.c
+++ b/demos/gtk-demo/tree_store.c
@@ -43,7 +43,7 @@ struct _TreeItem
 {
   const char     *label;
   gboolean        AA;
-  gboolean        CC;
+//  gboolean        CC;
   TreeItem       *children;
 };
 
@@ -53,41 +53,30 @@ enum
   COLUMN_0,
   COLUMN_1,
 
-  VISIBLE_COLUMN,
-//  WORLD_COLUMN,
+//  VISIBLE_COLUMN,
   NUM_COLUMNS
 };
 
 /* tree data */
 static TreeItem item_name_0[] =
 {
-  { "A", TRUE, TRUE, NULL },
-  { "B", FALSE, TRUE, NULL },
-  { "C", FALSE, TRUE, NULL },
+  { "A", TRUE, NULL },
+  { "B", FALSE, NULL },
   { NULL }
 };
 
 static TreeItem item_name_1[] =
 {
-  { "A", FALSE, TRUE, NULL },
-  { "B", TRUE, FALSE, NULL },
-  { "C", FALSE, TRUE, NULL },
-  { "D", FALSE, TRUE, NULL },
-  { NULL }
-};
-
-static TreeItem item_name_2[] =
-{
-  { "A", FALSE, FALSE, NULL },
-  { "B", FALSE, TRUE, NULL },
+  { "A", FALSE, NULL },
+  { "B", TRUE, NULL },
+  { "C", FALSE, NULL },
   { NULL }
 };
 
 static TreeItem root[] =
 {
-  { "IT-0", FALSE, FALSE, item_name_0 },
-  { "IT-1", FALSE, FALSE, item_name_1 },
-  { "IT-2", FALSE, FALSE, item_name_2 },
+  { "IT-0", FALSE, item_name_0 },
+  { "IT-1", FALSE, item_name_1 },
   { NULL }
 };
 
@@ -116,8 +105,7 @@ create_model (void)
       gtk_tree_store_set (model, &iter,
                           COLUMN_0, item_0->label,
                           COLUMN_1, FALSE,
-                          VISIBLE_COLUMN, FALSE,
-                   //       WORLD_COLUMN, FALSE,
+                    //      VISIBLE_COLUMN, FALSE,
                           -1);
 
       /* add children */
@@ -129,8 +117,7 @@ create_model (void)
           gtk_tree_store_set (model, &child_iter,
                               COLUMN_0, item_1->label,
                               COLUMN_1, item_1->AA,
-                              VISIBLE_COLUMN, TRUE,
-                     //         WORLD_COLUMN, item_1->CC,
+                       //       VISIBLE_COLUMN, TRUE,
                               -1);
 
           item_1++;
@@ -208,7 +195,7 @@ do_tree_store (GtkWidget *do_widget)
       /* expand all rows after the treeview widget has been realized */
       g_signal_connect (treeview, "realize",
                         G_CALLBACK (gtk_tree_view_expand_all), NULL);
-      gtk_window_set_default_size (GTK_WINDOW (window), 200, 350);
+      gtk_window_set_default_size (GTK_WINDOW (window), 200, 250);
     }
 
   if (!gtk_widget_get_visible (window))