From 36820c22929f4fb11892c4fbd52f321cc63a55ad Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 7 Oct 2018 00:49:38 +0800
Subject: Add shift selection, and fix the bug that caret is at wrong position
 when move with selection.

---
 src/ui/ui_base.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/ui/ui_base.cpp')

diff --git a/src/ui/ui_base.cpp b/src/ui/ui_base.cpp
index 550432e4..3bee2269 100644
--- a/src/ui/ui_base.cpp
+++ b/src/ui/ui_base.cpp
@@ -1,6 +1,19 @@
 #include "ui_base.h"
 
+#include "system_headers.h"
+
 namespace cru {
     namespace ui {
-	}
+        bool IsKeyDown(const int virtual_code)
+        {
+            const auto result = ::GetKeyState(virtual_code);
+            return (static_cast<unsigned short>(result) & 0x8000) != 0;
+        }
+
+        bool IsKeyToggled(const int virtual_code)
+        {
+            const auto result = ::GetKeyState(virtual_code);
+            return (static_cast<unsigned short>(result) & 1) != 0;
+        }
+    }
 }
-- 
cgit v1.2.3