refactor: 重构代码以提取配置和全局变量

- 将 Windows 消息常量和 UI 配置常量分别提取到 globals.h 和 config.h 头文件中，提高可维护性
- 将全局变量和控件定义从 main.c 移至独立的 globals.c 源文件，实现关注点分离
- 更新 Makefile 以包含新的源文件 globals.c
- 在 ui.c 和 main.c 中引用 config.h，使用配置常量替代硬编码的 UI 参数

Makefile

@@ -18,9 +18,9 @@ CFLAGS = -Wall -O2 -I$(INCLUDE_DIR) -I$(LOCAL_INCLUDE_DIR) -D_WIN32 -DUNICODE -D
 LDFLAGS = -L$(LIB_DIR) -liup -liupcd -lgdi32 -lcomdlg32 -lcomctl32 -luuid -lole32 -ladvapi32 -mwindows
 
 # Source
-SRC = src/main.c src/utils.c src/registry.c src/callbacks.c src/ui.c
+SRC = src/main.c src/utils.c src/registry.c src/callbacks.c src/ui.c src/globals.c
 RES = ico/resources.rc
-OBJ = $(OBJ_DIR)/main.o $(OBJ_DIR)/utils.o $(OBJ_DIR)/registry.o $(OBJ_DIR)/callbacks.o $(OBJ_DIR)/ui.o $(OBJ_DIR)/resources.o
+OBJ = $(OBJ_DIR)/main.o $(OBJ_DIR)/utils.o $(OBJ_DIR)/registry.o $(OBJ_DIR)/callbacks.o $(OBJ_DIR)/ui.o $(OBJ_DIR)/globals.o $(OBJ_DIR)/resources.o
 EXE = $(BIN_DIR)/PathEditor.exe
 
 all: $(BIN_DIR) $(OBJ_DIR) $(EXE)
@@ -49,6 +49,9 @@ $(OBJ_DIR)/callbacks.o: src/callbacks.c
 $(OBJ_DIR)/ui.o: src/ui.c
 	$(CC) $(CFLAGS) -c -o $@ $<
 
+$(OBJ_DIR)/globals.o: src/globals.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
 $(OBJ_DIR)/resources.o: ico/resources.rc
 	$(WINDRES) -i $< -o $@
 

include/config.h

@@ -0,0 +1,28 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+// ============================================================================
+// UI的配置常量
+// ============================================================================
+
+// 对话框设置
+#define UI_DLG_SIZE         "500x400"
+
+// 列表控件设置
+#define UI_LIST_ITEM_PADDING "5x5"
+#define UI_LIST_BACKCOLOR    "255 255 255"
+
+// 按钮设置
+#define UI_BTN_RASTERSIZE    "100x32"
+
+// 布局间隙和边距
+#define UI_VBOX_GAP          "5"
+#define UI_VBOX_MARGIN       "0x0"
+#define UI_VBOX_ALL_MARGIN   "10x10"
+#define UI_VBOX_ALL_GAP      "5"
+
+#define UI_HBOX_GAP          "10"
+#define UI_HBOX_MARGIN       "10x10"
+#define UI_HBOX_ALIGNMENT    "ACENTER"
+
+#endif // CONFIG_H

include/globals.h

@@ -3,6 +3,16 @@
 
 #include <iup.h>
 
+// 定义 Windows 消息常量
+#ifndef WM_COPYGLOBALDATA
+#define WM_COPYGLOBALDATA 0x0049
+#endif
+
+// 消息过滤器常量
+#ifndef MSGFLT_ADD
+#define MSGFLT_ADD 1
+#endif
+
 // 注册表路径常量
 #define REG_PATH_SYS L"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment"
 #define REG_PATH_USER L"Environment"

src/globals.c

@@ -0,0 +1,14 @@
+#include "globals.h"
+#include <windows.h>
+#include <iup.h>
+
+// 全局变量定义
+StringList raw_sys_paths = {0};
+StringList raw_user_paths = {0};
+
+// 全局控件定义
+Ihandle *dlg, *tabs_main, *list_sys, *list_user, *lbl_status;           // 主窗口、标签页、系统路径列表、用户路径列表、状态标签
+Ihandle *btn_new, *btn_edit, *btn_browse, *btn_del, *btn_up, *btn_down; // 右侧按钮
+Ihandle *btn_ok, *btn_cancel, *btn_help;                                // 确认取消帮助按钮
+Ihandle *btn_clean;                                                     // 一键清理按钮
+Ihandle *txt_search;                                                    // 搜索框

src/main.c

@@ -8,26 +8,7 @@
 #include "registry.h"
 #include "callbacks.h"
 #include "ui.h"
-
+#include "config.h"
-// 定义 Windows 消息常量
-#ifndef WM_COPYGLOBALDATA
-#define WM_COPYGLOBALDATA 0x0049
-#endif
-
-#ifndef MSGFLT_ADD
-#define MSGFLT_ADD 1
-#endif
-
-// 全局变量定义
-StringList raw_sys_paths = {0};
-StringList raw_user_paths = {0};
-
-// 全局控件定义
-Ihandle *dlg, *tabs_main, *list_sys, *list_user, *lbl_status;           // 主窗口、标签页、系统路径列表、用户路径列表、状态标签
-Ihandle *btn_new, *btn_edit, *btn_browse, *btn_del, *btn_up, *btn_down; // 右侧按钮
-Ihandle *btn_ok, *btn_cancel, *btn_help;                                // 确认取消帮助按钮
-Ihandle *btn_clean;                                                     // 一键清理按钮
-Ihandle *txt_search;                                                    // 搜索框
 
 // 主函数
 int main(int argc, char **argv)
@@ -80,8 +61,8 @@ int main(int argc, char **argv)
 
     // 上部布局：Tabs + 按钮
     Ihandle *hbox_main = IupHbox(tabs_main, vbox_btns, NULL);
-    IupSetAttribute(hbox_main, "GAP", "10");
+    IupSetAttribute(hbox_main, "GAP", UI_HBOX_GAP);
-    IupSetAttribute(hbox_main, "MARGIN", "10x10");
+    IupSetAttribute(hbox_main, "MARGIN", UI_HBOX_MARGIN);
 
     // 状态标签
     lbl_status = IupLabel("状态: 就绪");
@@ -97,13 +78,13 @@ int main(int argc, char **argv)
         hbox_main,
         hbox_bottom,
         NULL);
-    IupSetAttribute(vbox_all, "MARGIN", "10x10");
+    IupSetAttribute(vbox_all, "MARGIN", UI_VBOX_ALL_MARGIN);
-    IupSetAttribute(vbox_all, "GAP", "5");
+    IupSetAttribute(vbox_all, "GAP", UI_VBOX_ALL_GAP);
 
     // 创建对话框
     dlg = IupDialog(vbox_all);
     IupSetAttribute(dlg, "TITLE", "编辑环境变量 (IUP版)");
-    IupSetAttribute(dlg, "SIZE", "500x400"); // 稍微调大一点
+    IupSetAttribute(dlg, "SIZE", UI_DLG_SIZE); // 稍微调大一点
     IupSetAttribute(dlg, "MINBOX", "NO");
     IupSetAttribute(dlg, "MAXBOX", "NO");
 

src/ui.c

@@ -1,6 +1,7 @@
 #include "ui.h"
 #include "globals.h"
 #include "callbacks.h"
+#include "config.h"
 #include <stdlib.h>
 
 // 创建列表控件
@@ -8,8 +9,8 @@ Ihandle *create_path_list()
 {
     Ihandle *list = IupFlatList();
     IupSetAttribute(list, "EXPAND", "YES");
-    IupSetAttribute(list, "ITEMPADDING", "5x5");
+    IupSetAttribute(list, "ITEMPADDING", UI_LIST_ITEM_PADDING);
-    IupSetAttribute(list, "BACKCOLOR", "255 255 255");
+    IupSetAttribute(list, "BACKCOLOR", UI_LIST_BACKCOLOR);
     IupSetAttribute(list, "BORDER", "YES");
     IupSetAttribute(list, "CANFOCUS", "YES");
     IupSetAttribute(list, "HLINE", "NO");
@@ -40,14 +41,14 @@ Ihandle *create_main_buttons()
     IupSetCallback(btn_down, "ACTION", (Icallback)btn_down_cb);
     IupSetCallback(btn_clean, "ACTION", (Icallback)btn_clean_cb);
 
-    // 设置按钮大小 (宽度和高度都增加约1/4)
+    // 设置按钮大小
-    IupSetAttribute(btn_new, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_new, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_edit, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_edit, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_browse, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_browse, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_del, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_del, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_up, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_up, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_down, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_down, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_clean, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_clean, "RASTERSIZE", UI_BTN_RASTERSIZE);
 
     Ihandle *vbox_btns = IupVbox(
         btn_new, btn_edit, btn_browse, btn_del,
@@ -56,8 +57,8 @@ Ihandle *create_main_buttons()
         IupFill(),
         btn_up, btn_down,
         NULL);
-    IupSetAttribute(vbox_btns, "GAP", "5");
+    IupSetAttribute(vbox_btns, "GAP", UI_VBOX_GAP);
-    IupSetAttribute(vbox_btns, "MARGIN", "0x0");
+    IupSetAttribute(vbox_btns, "MARGIN", UI_VBOX_MARGIN);
     
     return vbox_btns;
 }
@@ -74,14 +75,14 @@ Ihandle *create_bottom_buttons()
     IupSetCallback(btn_cancel, "ACTION", (Icallback)btn_cancel_cb);
     IupSetCallback(btn_help, "ACTION", (Icallback)btn_help_cb);
 
-    IupSetAttribute(btn_ok, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_ok, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_cancel, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_cancel, "RASTERSIZE", UI_BTN_RASTERSIZE);
-    IupSetAttribute(btn_help, "RASTERSIZE", "100x32");
+    IupSetAttribute(btn_help, "RASTERSIZE", UI_BTN_RASTERSIZE);
 
     Ihandle *hbox_bottom = IupHbox(lbl_status, IupFill(), btn_help, btn_ok, btn_cancel, NULL);
-    IupSetAttribute(hbox_bottom, "GAP", "10");
+    IupSetAttribute(hbox_bottom, "GAP", UI_HBOX_GAP);
-    IupSetAttribute(hbox_bottom, "MARGIN", "10x10");
+    IupSetAttribute(hbox_bottom, "MARGIN", UI_HBOX_MARGIN);
-    IupSetAttribute(hbox_bottom, "ALIGNMENT", "ACENTER");
+    IupSetAttribute(hbox_bottom, "ALIGNMENT", UI_HBOX_ALIGNMENT);
 
     return hbox_bottom;
 }