From 9049f7674e0808cc3676543e0a95330a1657d10e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 24 Sep 2018 00:22:04 +0800
Subject: Add left and right support.

---
 CruUI/ui/controls/text_box.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'CruUI/ui/controls/text_box.cpp')

diff --git a/CruUI/ui/controls/text_box.cpp b/CruUI/ui/controls/text_box.cpp
index 53417d40..a8d78398 100644
--- a/CruUI/ui/controls/text_box.cpp
+++ b/CruUI/ui/controls/text_box.cpp
@@ -125,6 +125,22 @@ namespace cru::ui::controls
         is_caret_show_ = false;
     }
 
+    void TextBox::OnKeyDownCore(events::KeyEventArgs& args)
+    {
+        Control::OnKeyDownCore(args);
+        if (args.GetVirtualCode() == VK_LEFT && position_ > 0)
+        {
+            position_--;
+            Repaint();
+        }
+
+        if (args.GetVirtualCode() == VK_RIGHT && position_ < GetText().size())
+        {
+            position_++;
+            Repaint();
+        }
+    }
+
     void TextBox::OnCharCore(events::CharEventArgs& args)
     {
         Control::OnCharCore(args);
-- 
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