From 116b49b159ff940077f72e94db9c690175612c20 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Tue, 1 Dec 2020 00:33:58 +0800
Subject: [PATCH] add page down and up event

---
 src/ltui/choicebox.lua | 5 +++++
 src/ltui/menuconf.lua  | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/ltui/choicebox.lua b/src/ltui/choicebox.lua
index b540919..8284966 100644
--- a/src/ltui/choicebox.lua
+++ b/src/ltui/choicebox.lua
@@ -160,6 +160,11 @@ function choicebox:on_event(e)
             end
             self:_notify_scrolled()
             return true
+        elseif e.key_name == "PageDown" or e.key_name == "PageUp" then
+            local direction = e.key_name == "PageDown" and 1 or -1
+            self:scroll(self:height() * direction)
+            self:_notify_scrolled()
+            return true
         elseif e.key_name == "Enter" or e.key_name == " " then
             self:_do_select()
             return true
diff --git a/src/ltui/menuconf.lua b/src/ltui/menuconf.lua
index 30e11a5..bf5f72a 100644
--- a/src/ltui/menuconf.lua
+++ b/src/ltui/menuconf.lua
@@ -175,6 +175,11 @@ function menuconf:on_event(e)
             end
             self:_notify_scrolled()
             return true
+        elseif e.key_name == "PageDown" or e.key_name == "PageUp" then
+            local direction = e.key_name == "PageDown" and 1 or -1
+            self:scroll(self:height() * direction)
+            self:_notify_scrolled()
+            return true
         elseif e.key_name == "Enter" or e.key_name == " " then
             self:_do_select()
             return true