gconfig: add support to show hidden options that have prompts

There's a button in gconfig to "Show all options", but I think
normally we are not interested in those configs which have no
prompt and thus can't be changed, so here I add a new button to
show hidden options which have prompts.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 38 insertions, 9 deletions

diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index c6aa5a5948a1..bef10411837f 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -30,12 +30,16 @@ enum {
         SINGLE_VIEW, SPLIT_VIEW, FULL_VIEW
 };
 
+enum {
+        OPT_NORMAL, OPT_ALL, OPT_PROMPT
+};
+
 static gint view_mode = FULL_VIEW;
 static gboolean show_name = TRUE;
 static gboolean show_range = TRUE;
 static gboolean show_value = TRUE;
-static gboolean show_all = FALSE;
 static gboolean resizeable = FALSE;
+static int opt_mode = OPT_NORMAL;
 
 GtkWidget *main_wnd = NULL;
 GtkWidget *tree1_w = NULL;      // left  frame
@@ -637,12 +641,29 @@ void on_show_data1_activate(GtkMenuItem * menuitem, gpointer user_data)
 
 
 void
-on_show_all_options1_activate(GtkMenuItem * menuitem, gpointer user_data)
+on_set_option_mode1_activate(GtkMenuItem *menuitem, gpointer user_data)
+{
+        opt_mode = OPT_NORMAL;
+        gtk_tree_store_clear(tree2);
+        display_tree(&rootmenu);        /* instead of update_tree to speed-up */
+}
+
+
+void
+on_set_option_mode2_activate(GtkMenuItem *menuitem, gpointer user_data)
 {
-        show_all = GTK_CHECK_MENU_ITEM(menuitem)->active;
+        opt_mode = OPT_ALL;
+        gtk_tree_store_clear(tree2);
+        display_tree(&rootmenu);        /* instead of update_tree to speed-up */
+}
+
 
+void
+on_set_option_mode3_activate(GtkMenuItem *menuitem, gpointer user_data)
+{
+        opt_mode = OPT_PROMPT;
         gtk_tree_store_clear(tree2);
-        display_tree(&rootmenu);        // instead of update_tree to speed-up
+        display_tree(&rootmenu);        /* instead of update_tree to speed-up */
 }
 
 
@@ -1095,7 +1116,10 @@ static gchar **fill_row(struct menu *menu)
             g_strdup_printf("%s %s", _(menu_get_prompt(menu)),
                             sym && sym_has_value(sym) ? "(NEW)" : "");
 
-        if (show_all && !menu_is_visible(menu))
+        if (opt_mode == OPT_ALL && !menu_is_visible(menu))
+                row[COL_COLOR] = g_strdup("DarkGray");
+        else if (opt_mode == OPT_PROMPT &&
+                        menu_has_prompt(menu) && !menu_is_visible(menu))
                 row[COL_COLOR] = g_strdup("DarkGray");
         else
                 row[COL_COLOR] = g_strdup("Black");
@@ -1318,16 +1342,19 @@ static void update_tree(struct menu *src, GtkTreeIter * dst)
                        menu2 ? menu_get_prompt(menu2) : "nil");
 #endif
 
-                if (!menu_is_visible(child1) && !show_all) {    // remove node
+                if ((opt_mode == OPT_NORMAL && !menu_is_visible(child1)) ||
+                    (opt_mode == OPT_PROMPT && !menu_has_prompt(child1))) {
+
+                        /* remove node */
                         if (gtktree_iter_find_node(dst, menu1) != NULL) {
                                 memcpy(&tmp, child2, sizeof(GtkTreeIter));
                                 valid = gtk_tree_model_iter_next(model2,
                                                                  child2);
                                 gtk_tree_store_remove(tree2, &tmp);
                                 if (!valid)
-                                        return; // next parent
+                                        return;         /* next parent */
                                 else
-                                        goto reparse;   // next child
+                                        goto reparse;   /* next child */
                         } else
                                 continue;
                 }
@@ -1396,7 +1423,9 @@ static void display_tree(struct menu *menu)
                     && (tree == tree2))
                         continue;
 
-                if (menu_is_visible(child) || show_all)
+                if ((opt_mode == OPT_NORMAL && menu_is_visible(child)) ||
+                    (opt_mode == OPT_PROMPT && menu_has_prompt(child)) ||
+                    (opt_mode == OPT_ALL))
                         place_node(child, fill_row(child));
 #ifdef DEBUG
                 printf("%*c%s: ", indent, ' ', menu_get_prompt(child));