script: use whiptail for kiauh_update_dialogue

scripts/ui/general_ui.sh

@@ -41,18 +41,6 @@ print_header(){
   bottom_border
 }
 
-kiauh_update_msg(){
-  top_border
-  echo -e "|${green}              New KIAUH update available!              ${default}| "
-  hr
-  echo -e "|${green}  View Changelog: https://git.io/JnmlX                 ${default}| "
-  blank_line
-  echo -e "|${yellow}  It is recommended to keep KIAUH up to date. Updates  ${default}| "
-  echo -e "|${yellow}  usually contain bugfixes, important changes or new   ${default}| "
-  echo -e "|${yellow}  features. Please consider updating!                  ${default}| "
-  bottom_border
-}
-
 ################################################################################
 #******************************************************************************#
 ################################################################################

scripts/ui/main_menu.sh

@@ -25,18 +25,22 @@ print_kiauh_version(){
 }
 
 kiauh_update_dialog(){
-  kiauh_update_msg
-  read -p "${cyan}Do you want to update now? (Y/n):${default} " yn
-  while true; do
-    case "$yn" in
-    Y|y|Yes|yes|"")
-      do_action "update_kiauh"
-      break;;
-    N|n|No|no) break;;
-    *)
-      deny_action "kiauh_update_dialog";;
-    esac
-  done
+  whiptail --title "New KIAUH update available!"\
+  --yesno \
+"View Changelog: https://git.io/JnmlX
+
+It is recommended to keep KIAUH up to date. Updates usually contain bugfixes, \
+important changes or new features. Please consider updating!
+
+Do you want to update now?" \
+  $KIAUH_WHIPTAIL_NORMAL_HEIGHT $KIAUH_WHIPTAIL_NORMAL_WIDTH
+
+  RET=$?
+  if [ $RET -eq 0 ]; then
+    do_action "update_kiauh"
+  else
+    deny_action "kiauh_update_dialog"
+  fi
 }
 
 main_menu(){