From ce813baf044c4ab2072cfc6c5b592dbd239ea0c5 Mon Sep 17 00:00:00 2001
From: taynpg <taynpg@163.com>
Date: Fri, 10 Jan 2025 14:21:16 +0800
Subject: [PATCH] =?UTF-8?q?add=EF=BC=9A=E6=B7=BB=E5=8A=A0=E4=B8=80?=
 =?UTF-8?q?=E4=B8=AA=E6=B5=8B=E8=AF=95=E9=94=AE=E4=BD=8D=E7=9A=84=E5=B7=A5?=
 =?UTF-8?q?=E5=85=B7=E3=80=82?=
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---
 CMakeLists.txt |  2 ++
 Makefile       | 11 +++++++++--
 key_value.cxx  | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 key_value.cxx

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b52be01..8324ab4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,8 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin/${CMAKE_BUILD_TYPE}
 add_library(filecomplete STATIC filecomplete.h filecomplete.cpp)
 target_include_directories(filecomplete PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 
+add_executable(key_value key_value.cxx)
+
 if(DEFINED GEN_EXAMPLE)
     message(STATUS "USE TEST")
     add_executable(example main.cpp)
diff --git a/Makefile b/Makefile
index 472c380..bdb5e9b 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,11 @@ MAIN_SRC = main.cpp
 MAIN_OBJ = $(MAIN_SRC:.cpp=.o)
 TARGET = main
 
+KEY_VALUE_SRC = key_value.cxx
+KEY_VALUE_BIN = key_value
+
 # 默认目标
-all: $(TARGET)
+all: $(TARGET) $(KEY_VALUE_BIN)
 
 # 生成目标文件
 $(TARGET): $(LIB_OBJ) $(MAIN_OBJ)
@@ -26,9 +29,13 @@ $(LIB_OBJ): $(LIB_SRC) $(LIB_HEADER)
 $(MAIN_OBJ): $(MAIN_SRC)
 	$(CXX) $(CXXFLAGS) -c $< -o $@
 
+# 编译 key_value 二进制
+$(KEY_VALUE_BIN): $(KEY_VALUE_SRC)
+	$(CXX) $(CXXFLAGS) -o $@ $<
+
 # 清理生成文件
 clean:
-	rm -f $(LIB_OBJ) $(MAIN_OBJ) $(TARGET)
+	rm -f $(LIB_OBJ) $(MAIN_OBJ) $(TARGET) $(KEY_VALUE_BIN)
 
 # 伪目标
 .PHONY: all clean
diff --git a/key_value.cxx b/key_value.cxx
new file mode 100644
index 0000000..5fdd10a
--- /dev/null
+++ b/key_value.cxx
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <termios.h>
+#include <unistd.h>
+
+// 设置终端为原始模式
+void setRawMode(bool enable)
+{
+    static struct termios oldt, newt;
+
+    if (enable) {
+        // 获取当前终端设置
+        tcgetattr(STDIN_FILENO, &oldt);
+        newt = oldt;
+
+        // 设置终端为原始模式
+        newt.c_lflag &= ~(ICANON | ECHO);   // 关闭回显和缓冲输入
+        tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+    } else {
+        // 恢复原有终端设置
+        tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
+    }
+}
+
+int main()
+{
+    std::cout << "Press any key to see its keycode (Press 'q' to quit)..." << std::endl;
+
+    // 启用原始模式
+    setRawMode(true);
+
+    while (true) {
+        // 读取按键
+        char ch;
+        if (read(STDIN_FILENO, &ch, 1) == 1) {
+            std::cout << "Keycode: " << static_cast<int>(ch) << std::endl;
+
+            // 按 'q' 键退出程序
+            if (ch == 'q') {
+                break;
+            }
+        }
+    }
+
+    // 恢复终端模式
+    setRawMode(false);
+    return 0;
+}