Files
PathEditor/src/controller/callbacks.c
T
Serendipity a769a6b9b3 refactor: 重构项目为 MVC 架构并移除全局变量
- 将原有扁平目录结构重构为 MVC 分层架构:
  * src/core/: 核心业务逻辑(Model),完全独立于 UI 框架
  * src/ui/: 界面组件构建(View),负责纯视觉展示
  * src/controller/: 用户交互处理(Controller),连接数据与界面
  * src/utils/: 底层工具函数,专注于系统调用和字符串处理
- 引入 AppContext 结构体统一管理应用状态,替代原有的全局变量模式
- 重命名并重新组织头文件,按功能模块划分到对应子目录
- 更新 CMakeLists.txt 以适配新的目录结构
- 同步更新 README.md 文档,说明新的架构设计
2026-03-19 20:58:41 +08:00

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#include "controller/callbacks.h"
#include "core/app_context.h"
#include "core/registry_service.h"
#include "core/path_manager.h"
#include "utils/string_ext.h"
#include "utils/os_env.h"
#include "ui/ui_utils.h"
#include "ui/dialogs.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
// 辅助函数:获取主对话框
static Ihandle *get_main_dlg()
{
// 在实际情况中,可以通过 IupGetHandle 注册名字,或者通过某个全局/静态缓存
// 但如果想彻底不用全局,我们可以在 IupSetHandle 里面把主窗口存下来
return IupGetHandle("MAIN_DIALOG");
}
// 获取当前的缓存数据列表
static StringList *get_current_raw_data(Ihandle *dlg)
{
AppContext *ctx = get_app_context(dlg);
if (!ctx)
return NULL;
Ihandle *tabs_main = IupGetDialogChild(dlg, "TABS_MAIN");
int pos = IupGetInt(tabs_main, "VALUEPOS");
if (pos == 0)
return &ctx->sys_paths;
if (pos == 1)
return &ctx->user_paths;
return &ctx->sys_paths;
}
// 辅助函数:获取当前选中的列表UI控件
static Ihandle *get_current_list(Ihandle *dlg)
{
Ihandle *tabs_main = IupGetDialogChild(dlg, "TABS_MAIN");
int pos = IupGetInt(tabs_main, "VALUEPOS");
if (pos == 0)
return IupGetDialogChild(dlg, "LIST_SYS");
if (pos == 1)
return IupGetDialogChild(dlg, "LIST_USER");
return IupGetDialogChild(dlg, "LIST_SYS");
}
// 按钮回调:新建
int btn_new_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
char buffer[1024] = "";
if (custom_input_dialog("新建环境变量", "请输入路径:", buffer, sizeof(buffer)))
{
if (strlen(buffer) > 0)
{
StringList *raw_data = get_current_raw_data(dlg);
add_string_list(raw_data, buffer);
Ihandle *current_list = get_current_list(dlg);
sync_string_list_to_ui(current_list, raw_data);
int count = IupGetInt(current_list, "COUNT");
IupSetInt(current_list, "VALUE", count);
}
}
return IUP_DEFAULT;
}
// 按钮回调:编辑
int btn_edit_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *current_list = get_current_list(dlg);
int selected = IupGetInt(current_list, "VALUE");
if (selected == 0)
return IUP_DEFAULT;
StringList *raw_data = get_current_raw_data(dlg);
if (selected - 1 >= raw_data->count)
return IUP_DEFAULT;
char buffer[4096];
strncpy(buffer, raw_data->items[selected - 1], 4096);
buffer[4095] = '\0';
if (custom_input_dialog("编辑环境变量", "编辑路径:", buffer, sizeof(buffer)))
{
if (strlen(buffer) > 0)
{
free(raw_data->items[selected - 1]);
raw_data->items[selected - 1] = _strdup(buffer);
sync_string_list_to_ui(current_list, raw_data);
IupSetInt(current_list, "VALUE", selected);
}
}
return IUP_DEFAULT;
}
// 双击回调
int list_dblclick_cb(Ihandle *self, int item, char *text)
{
if (item > 0)
{
IupSetInt(self, "VALUE", item);
btn_edit_cb(self);
}
return IUP_DEFAULT;
}
// 按钮回调:浏览
int btn_browse_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *filedlg = IupFileDlg();
IupSetAttribute(filedlg, "DIALOGTYPE", "DIR");
IupSetAttribute(filedlg, "TITLE", "选择目录");
IupPopup(filedlg, IUP_CENTER, IUP_CENTER);
if (IupGetInt(filedlg, "STATUS") != -1)
{
char *value = IupGetAttribute(filedlg, "VALUE");
if (value)
{
StringList *raw_data = get_current_raw_data(dlg);
add_string_list(raw_data, value);
Ihandle *current_list = get_current_list(dlg);
sync_string_list_to_ui(current_list, raw_data);
int count = IupGetInt(current_list, "COUNT");
IupSetInt(current_list, "VALUE", count);
}
}
IupDestroy(filedlg);
return IUP_DEFAULT;
}
// 按钮回调:删除
int btn_del_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *current_list = get_current_list(dlg);
int selected = IupGetInt(current_list, "VALUE");
if (selected == 0)
{
IupMessage("提示", "请先选择要删除的项");
return IUP_DEFAULT;
}
StringList *raw_data = get_current_raw_data(dlg);
path_manager_remove_at(raw_data, selected - 1);
sync_string_list_to_ui(current_list, raw_data);
Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
if (lbl_status)
IupSetAttribute(lbl_status, "TITLE", "状态: 已删除选中项");
return IUP_DEFAULT;
}
// 按钮回调:上移
int btn_up_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *current_list = get_current_list(dlg);
int selected = IupGetInt(current_list, "VALUE");
if (selected <= 1)
return IUP_DEFAULT;
StringList *raw_data = get_current_raw_data(dlg);
path_manager_move_up(raw_data, selected - 1);
sync_string_list_to_ui(current_list, raw_data);
IupSetInt(current_list, "VALUE", selected - 1);
return IUP_DEFAULT;
}
// 按钮回调:下移
int btn_down_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *current_list = get_current_list(dlg);
int selected = IupGetInt(current_list, "VALUE");
StringList *raw_data = get_current_raw_data(dlg);
if (selected == 0 || selected >= raw_data->count)
return IUP_DEFAULT;
path_manager_move_down(raw_data, selected - 1);
sync_string_list_to_ui(current_list, raw_data);
IupSetInt(current_list, "VALUE", selected + 1);
return IUP_DEFAULT;
}
// 按钮回调:一键清理
int btn_clean_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
StringList *raw_data = get_current_raw_data(dlg);
if (!raw_data || raw_data->count == 0)
return IUP_DEFAULT;
if (IupAlarm("确认清理", "此操作将移除当前列表中所有【无效路径】和【重复路径】。\n确定要继续吗?", "确定", "取消", NULL) != 1)
{
return IUP_DEFAULT;
}
int removed = path_manager_clean(raw_data);
Ihandle *current_list = get_current_list(dlg);
sync_string_list_to_ui(current_list, raw_data);
char msg[128];
snprintf(msg, sizeof(msg), "清理完成!共移除了 %d 个无效或重复路径。", removed);
IupMessage("提示", msg);
return IUP_DEFAULT;
}
// 搜索回调
int txt_search_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
char *filter = IupGetAttribute(self, "VALUE");
if (!filter)
return IUP_DEFAULT;
Ihandle *current_list = get_current_list(dlg);
StringList *raw_data = get_current_raw_data(dlg);
IupSetAttribute(current_list, "REMOVEITEM", "ALL");
int count = 0;
for (int i = 0; i < raw_data->count; i++)
{
if (strlen(filter) == 0 || stristr(raw_data->items[i], filter) != NULL)
{
count++;
IupSetAttributeId(current_list, "", count, raw_data->items[i]);
}
}
IupSetInt(current_list, "COUNT", count);
refresh_single_list_style(current_list);
return IUP_DEFAULT;
}
// 拖拽回调
int list_dropfiles_cb(Ihandle *self, const char *filename, int num, int x, int y)
{
Ihandle *dlg = IupGetDialog(self);
Ihandle *current_list = self;
AppContext *ctx = get_app_context(dlg);
if (!ctx)
return IUP_DEFAULT;
StringList *raw_data = NULL;
if (self == IupGetDialogChild(dlg, "LIST_SYS"))
raw_data = &ctx->sys_paths;
else if (self == IupGetDialogChild(dlg, "LIST_USER"))
raw_data = &ctx->user_paths;
else
return IUP_DEFAULT;
DWORD attr = GetFileAttributesA(filename);
if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
{
Ihandle *txt_search = IupGetDialogChild(dlg, "TXT_SEARCH");
if (txt_search)
IupSetAttribute(txt_search, "VALUE", "");
add_string_list(raw_data, filename);
sync_string_list_to_ui(current_list, raw_data);
IupSetInt(current_list, "VALUE", raw_data->count);
}
else
{
Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
if (lbl_status)
IupSetAttribute(lbl_status, "TITLE", "提示: 只能拖拽文件夹添加到 PATH");
}
return IUP_DEFAULT;
}
// 键盘按键回调
int list_k_any_cb(Ihandle *self, int c)
{
if (c == K_DEL)
{
btn_del_cb(self);
return IUP_IGNORE;
}
return IUP_DEFAULT;
}
// 按钮回调:确定 (保存所有)
int btn_ok_cb(Ihandle *self)
{
Ihandle *dlg = IupGetDialog(self);
AppContext *ctx = get_app_context(dlg);
if (!ctx)
return IUP_DEFAULT;
if (!check_admin())
{
IupMessage("错误", "需要管理员权限才能保存更改!");
return IUP_DEFAULT;
}
backup_registry();
int sys_ok = save_system_paths(&ctx->sys_paths);
int user_ok = save_user_paths(&ctx->user_paths);
Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
if (sys_ok && user_ok)
{
SendMessageTimeoutW(HWND_BROADCAST, WM_SETTINGCHANGE, 0, (LPARAM)L"Environment", SMTO_ABORTIFHUNG, 5000, NULL);
IupMessage("成功", "系统和用户 PATH 环境变量均已更新!");
if (lbl_status)
IupSetAttribute(lbl_status, "TITLE", "状态: 全部保存成功");
}
else if (sys_ok)
{
IupMessage("提示", "系统变量保存成功,但用户变量保存失败。");
}
else if (user_ok)
{
IupMessage("提示", "用户变量保存成功,但系统变量保存失败。");
}
else
{
IupMessage("错误", "保存失败!");
if (lbl_status)
IupSetAttribute(lbl_status, "TITLE", "状态: 保存失败");
}
return IUP_DEFAULT;
}
// 按钮回调:取消
int btn_cancel_cb(Ihandle *self)
{
IupExitLoop();
return IUP_DEFAULT;
}
// 按钮回调:帮助
int btn_help_cb(Ihandle *self)
{
IupMessage("使用说明",
"1. 本程序用于编辑系统环境变量 PATH。\n"
"2. 必须以【管理员身份】运行才能保存更改。\n"
"3. 操作说明:\n"
" - 新建:添加新路径到列表末尾。\n"
" - 编辑:修改选中的路径。\n"
" - 浏览:从文件系统选择目录添加。\n"
" - 删除:移除选中的路径。\n"
" - 上移/下移:调整路径优先级。\n"
"4. 点击【确定】保存更改并生效。\n"
"5. 注意:某些正在运行的程序可能需要重启才能识别新的环境变量。\n\n"
"--------------------------------------------------\n"
"作者:LHY\n"
"邮箱:3364451258@qq.com\n"
"GitHubhttps://github.com/LHY0125/PathEditor\n"
"记得给我的项目点个star");
return IUP_DEFAULT;
}
// 载入所有路径
void load_all_paths(void)
{
Ihandle *dlg = get_main_dlg();
if (!dlg)
return;
AppContext *ctx = get_app_context(dlg);
if (!ctx)
return;
if (!load_system_paths(&ctx->sys_paths))
{
IupMessage("错误", "无法打开系统环境变量注册表键,请尝试以管理员身份运行。");
}
load_user_paths(&ctx->user_paths);
Ihandle *list_sys = IupGetDialogChild(dlg, "LIST_SYS");
Ihandle *list_user = IupGetDialogChild(dlg, "LIST_USER");
sync_string_list_to_ui(list_sys, &ctx->sys_paths);
sync_string_list_to_ui(list_user, &ctx->user_paths);
Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
if (lbl_status)
IupSetAttribute(lbl_status, "TITLE", "状态: 已加载系统和用户变量");
}