From 90c69a7fa1476f230ca026ec849832717d0900f9 Mon Sep 17 00:00:00 2001
From: DreamMaoMao <2523610504@qq.com>
Date: Sun, 23 Feb 2025 19:55:42 +0800
Subject: [PATCH] opt:support use MAOMAOCONFIG env to set config path and chvt
 as default keybind

---
 README.md       |  9 +++++++--
 config.conf     | 14 -------------
 maomao.c        | 47 ++++++++++++++++++++++++++++++++++++--------
 parse_config.h  | 52 ++++++++++++++++++++++++++++++++++++++++---------
 preset_config.h |  4 ----
 5 files changed, 89 insertions(+), 37 deletions(-)

diff --git a/README.md b/README.md
index 1e7f190..740c5cb 100644
--- a/README.md
+++ b/README.md
@@ -86,8 +86,13 @@ mkdir -p ~/.config/maomao/
 
 
 # config
-the config file is `~/.config/maomao/config.conf`
-the autostart file is `~/.config/maomao/autostart.sh`
+you can use `MAOMAOCONFIG` env to set the config path
+
+- the only default keybinds is ctrl+alt+[F1-F12] to change tty
+
+- the default config path is `~/.config/maomao/config.conf`
+
+- the default autostart path is `~/.config/maomao/autostart.sh`
 
 
 # my dotfile
diff --git a/config.conf b/config.conf
index 8ad69d4..2158789 100644
--- a/config.conf
+++ b/config.conf
@@ -211,20 +211,6 @@ bind=ALT+SHIFT,X,incgaps,1
 bind=ALT+SHIFT,Z,incgaps,-1
 bind=ALT+SHIFT,R,togglegaps
 
-# switch tty
-bind=Ctrl+Alt,F1,chvt,1
-bind=Ctrl+Alt,F2,chvt,2
-bind=Ctrl+Alt,F3,chvt,3
-bind=Ctrl+Alt,f4,chvt,4
-bind=Ctrl+Alt,F5,chvt,5
-bind=Ctrl+Alt,F6,chvt,6
-bind=Ctrl+Alt,F7,chvt,7
-bind=Ctrl+Alt,F8,chvt,8
-bind=Ctrl+Alt,F9,chvt,9
-bind=Ctrl+Alt,F10,chvt,10
-bind=Ctrl+Alt,F11,chvt,11
-bind=Ctrl+Alt,F12,chvt,12
-
 #custom app bind example
 # bind=SUPER,Return,spawn,google-chrome
 # bind=CTRL+ALT,Return,spawn,st -e ~/tool/ter-multiplexer.sh
diff --git a/maomao.c b/maomao.c
index d8d12e5..38910a9 100644
--- a/maomao.c
+++ b/maomao.c
@@ -1551,6 +1551,29 @@ void autostartexec(void) {
   const char *const *p;
   size_t i = 0;
 
+  const char *maomaoconfig = getenv("MAOMAOCONFIG");
+  static const char *autostart[4];  // 声明一个全局数组，大小为 5（包括 NULL 结 尾）
+  char autostart_path[1024];  // 用于存储脚本的完整路径
+
+  if (maomaoconfig && maomaoconfig[0] != '\0') {
+      // 如果 MAOMAOCONFIG 存在且不为空，使用它作为配置文件夹
+      snprintf(autostart_path, sizeof(autostart_path), "%s/autostart.sh", maomaoconfig);
+  } else {
+      // 否则使用 HOME 环境变量下的默认路径
+      const char *homedir = getenv("HOME");
+      if (!homedir) {
+          // 如果 HOME 环境变量不存在，无法继续
+          fprintf(stderr, "Error: HOME environment variable not set.\n");
+          return;
+      }
+      snprintf(autostart_path, sizeof(autostart_path), "%s/.config/maomao/autostart.sh", homedir);
+  }
+
+  autostart[0] = "/bin/sh";      // 使用 /bin/sh 执行脚本
+  autostart[1] = "-c";           // -c 参数表示从命令行读取脚本
+  autostart[2] = autostart_path; // 脚本的完整路径 
+  autostart[3] = NULL;           // 数组以 NULL 结尾
+
   /* count entries */
   for (p = autostart; *p; autostart_len++, p++)
     while (*++p)
@@ -4364,15 +4387,23 @@ void signalhandler(int signalnumber) {
   size_t i;
   char filename[1024];
 
-  // 获取当前用户家目录
-  const char *homedir = getenv("HOME");
-  if (!homedir) {
-    // 如果获取失败，则无法继续
-    return;
-  }
+  // 获取 MAOMAOCONFIG 环境变量
+  const char *maomaoconfig = getenv("MAOMAOCONFIG");
 
-  // 构建日志文件路径
-  snprintf(filename, sizeof(filename), "%s/.config/maomao/crash.log", homedir);
+  // 如果 MAOMAOCONFIG 环境变量不存在或为空，则使用 HOME 环境变量
+  if (!maomaoconfig || maomaoconfig[0] == '\0') {
+      // 获取当前用户家目录
+      const char *homedir = getenv("HOME");
+      if (!homedir) {
+          // 如果获取失败，则无法继续
+          return;
+      }
+      // 构建日志文件路径
+      snprintf(filename, sizeof(filename), "%s/.config/maomao/crash.log", homedir);
+  } else {
+      // 使用 MAOMAOCONFIG 环境变量作为配置文件夹路径
+      snprintf(filename, sizeof(filename), "%s/crash.log", maomaoconfig);
+  }
 
   // 打开日志文件
   FILE *fp = fopen(filename, "a");
diff --git a/parse_config.h b/parse_config.h
index 2893976..ee29650 100644
--- a/parse_config.h
+++ b/parse_config.h
@@ -34,6 +34,15 @@ typedef struct {
   Arg arg;
 } KeyBinding;
 
+// 定义一个宏来简化默认按键绑定的添加
+#define CHVT(n) { WLR_MODIFIER_CTRL|WLR_MODIFIER_ALT, XKB_KEY_XF86Switch_VT_##n, chvt, {.ui = (n)} }
+
+// 默认的按键绑定数组
+KeyBinding default_key_bindings[] = {
+    CHVT(1), CHVT(2), CHVT(3), CHVT(4), CHVT(5), CHVT(6),
+    CHVT(7), CHVT(8), CHVT(9), CHVT(10), CHVT(11), CHVT(12)
+};
+
 typedef struct {
   unsigned int mod;
   unsigned int button;
@@ -711,6 +720,24 @@ void parse_config_line(Config *config, const char *line) {
       config->key_bindings_count++;
     }
 
+    // 计算默认按键绑定的数量
+    size_t default_key_bindings_count = sizeof(default_key_bindings) / sizeof(KeyBinding);
+
+    // 重新分配内存以容纳新的默认按键绑定
+    config->key_bindings = realloc(config->key_bindings,
+                                   (config->key_bindings_count + default_key_bindings_count) * sizeof(KeyBinding));
+    if (!config->key_bindings) {
+        return;
+    }
+
+    // 将默认按键绑定复制到配置的按键绑定数组中
+    for (size_t i = 0; i < default_key_bindings_count; i++) {
+        config->key_bindings[config->key_bindings_count + i] = default_key_bindings[i];
+    }
+
+    // 更新按键绑定的总数
+    config->key_bindings_count += default_key_bindings_count;
+
   } else if (strncmp(key, "mousebind", 9) == 0) {
     config->mouse_bindings =
         realloc(config->mouse_bindings,
@@ -963,16 +990,23 @@ void parse_config(void) {
   config.axis_bindings = NULL;
   config.axis_bindings_count = 0;
 
-  // 获取当前用户家目录
-  const char *homedir = getenv("HOME");
-  if (!homedir) {
-    // 如果获取失败，则无法继续
-    return;
-  }
+// 获取 MAOMAOCONFIG 环境变量
+const char *maomaoconfig = getenv("MAOMAOCONFIG");
 
-  // 构建日志文件路径
-  snprintf(filename, sizeof(filename), "%s/.config/maomao/config.conf",
-           homedir);
+  // 如果 MAOMAOCONFIG 环境变量不存在或为空，则使用 HOME 环境变量
+  if (!maomaoconfig || maomaoconfig[0] == '\0') {
+      // 获取当前用户家目录
+      const char *homedir = getenv("HOME");
+      if (!homedir) {
+          // 如果获取失败，则无法继续
+          return;
+      }
+      // 构建日志文件路径
+      snprintf(filename, sizeof(filename), "%s/.config/maomao/config.conf", homedir);
+  } else {
+      // 使用 MAOMAOCONFIG 环境变量作为配置文件夹路径
+      snprintf(filename, sizeof(filename), "%s/config.conf", maomaoconfig);
+  }
 
   set_value_default();
   parse_config_file(&config, filename);
diff --git a/preset_config.h b/preset_config.h
index 8d51e4c..9e4d778 100644
--- a/preset_config.h
+++ b/preset_config.h
@@ -136,7 +136,3 @@ enum libinput_config_tap_button_map button_map = LIBINPUT_CONFIG_TAP_MAP_LRM;
 static const char *tags[] = {
     "1", "2", "3", "4", "5", "6", "7", "8", "9",
 };
-
-static const char *const autostart[] = {
-    "/bin/sh", "-c", "~/.config/maomao/autostart.sh", NULL, NULL,
-};
\ No newline at end of file