ui_qt: cast the narrowed setting fields at their C++ consumers

C++ refuses the implicit int-to-enum conversions the narrowed
rarch_setting_t storage relies on in C; the Qt driver's four read
sites gain explicit casts. Swept every C++ unit for reads of the
narrowed fields; these were all of them.

Author: libretroadmin

ui/drivers/ui_qt_widgets.cpp

@@ -103,15 +103,17 @@ static inline void add_sublabel_and_whats_this(
    char tmp[512];
    tmp[0] = '\0';
 
-   cbs.enum_idx = setting->enum_idx;
+   cbs.enum_idx = (enum msg_hash_enums)setting->enum_idx;
 
-   menu_cbs_init_bind_sublabel(&cbs, NULL, NULL, 0, setting->type, setting->size);
+   menu_cbs_init_bind_sublabel(&cbs, NULL, NULL, 0,
+         (unsigned)setting->type, setting->size);
 
    cbs.action_sublabel(0, 0, 0, 0, 0, tmp, sizeof(tmp));
 
    widget->setToolTip(tmp);
 
-   msg_hash_get_help_enum(setting->enum_idx, tmp, sizeof(tmp));
+   msg_hash_get_help_enum((enum msg_hash_enums)setting->enum_idx,
+         tmp, sizeof(tmp));
 
    if (!string_is_equal(tmp, msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NO_INFORMATION_AVAILABLE)))
       widget->setWhatsThis(tmp);

ui/drivers/ui_qt_widgets.h

@@ -119,7 +119,7 @@ class FormLayout : public QFormLayout
       if (!setting)
          return false;
 
-      ui_type = setting->ui_type;
+      ui_type = (enum ui_setting_type)setting->ui_type;
 
       switch (ui_type)
       {
@@ -196,7 +196,7 @@ class SettingsGroup : public QGroupBox
       if (!setting)
          return false;
 
-      ui_type = setting->ui_type;
+      ui_type = (enum ui_setting_type)setting->ui_type;
 
       switch (ui_type)
       {