skin_engine: Allow the %St() (setting) skin tag be used as a bar

%St(<setting name>) or %St(<bar tags>, setting, <setting name>)

Change-Id: I71396d683634d4d1ad2357018c4029ecb4229677

1 files changed, 25 insertions, 0 deletions

diff --git a/apps/gui/option_select.c b/apps/gui/option_select.c
index ca206b8..f85570d 100644
--- a/apps/gui/option_select.c
+++ b/apps/gui/option_select.c
@@ -575,3 +575,28 @@ bool option_screen(const struct settings_list *setting,
     return false;
 }
 
+int get_setting_info_for_bar(int setting_id, int *count, int *val)
+{
+    const struct settings_list *setting = &settings[setting_id];
+    int var_type = setting->flags&F_T_MASK;
+    void (*function)(int) = NULL;
+    int oldvalue;
+
+    if (var_type == F_T_INT || var_type == F_T_UINT)
+    {
+        oldvalue = *(int*)setting->setting;
+    }
+    else if (var_type == F_T_BOOL)
+    {
+        oldvalue = *(bool*)setting->setting?1:0;
+    }
+    else
+    {
+        *val = 0;
+        *count = 1;
+        return false; /* only int/bools can go here */
+    }
+
+    val_to_selection(setting, oldvalue, count, val, &function);
+    return true;
+}