continue fixing

README.md

@@ -8,7 +8,8 @@ pip 安装依赖后即可直接播放视频。
 ## 功能特性
 
 - 播放 / 暂停 / 停止、上一首 / 下一首
-- 前进 / 后退（10 秒或 60 秒）与进度条点击拖动定位
+- 前进 / 后退（步长可自定义）与进度条点击拖动定位
+- 快进步长可在界面底部直接填写（1-600 秒），自动保存、下次启动自动加载
 - 音量调节、静音，0.5x - 2.0x 变速播放
 - 三种循环模式：关 / 单曲循环 / 列表循环
 - 播放列表管理（打开文件、打开文件夹、删除条目、双击播放）
@@ -85,6 +86,10 @@ pip install -r requirements.txt
 播放列表保存在用户主目录的 `.mediaplayer_playlist.json` 中，删除该文件即可
 清除记忆。
 
+界面底部的“快进步长”用于设置 `←` / `→` 每次跳转的秒数（`Shift+← / →` 固定为
+60 秒），输入后按回车或点击其他位置即生效并自动保存（配置文件：用户主目录下的
+`.mediaplayer_settings.json`）。
+
 ## 常见问题
 
 - **状态栏显示“纯 Python 解码内核”**：说明未检测到 VLC，程序正在使用内置的

media_player.py

@@ -830,6 +830,7 @@ class MediaPlayerApp(tk.Tk):
         self.current_index = -1
         self.volume = 80
         self.rate = 1.0
+        self.seek_step = self._load_settings()
         self.loop_mode = "list"
         self._seeking = False
         self._switching_until = 0.0
@@ -951,19 +952,39 @@ class MediaPlayerApp(tk.Tk):
         self._playlist_menu.add_separator()
         self._playlist_menu.add_command(label="删除选中曲目", command=self.remove_selected)
         self._playlist_menu.add_command(label="清空播放列表", command=self.clear_playlist)
-        self.listbox.bind("<Button-3>", self._show_playlist_menu)
         if IS_MAC:
+            self.listbox.bind("<Button-2>", self._show_playlist_menu)
+            self.listbox.bind("<Button-3>", self._show_playlist_menu)
             self.listbox.bind("<Control-Button-1>", self._show_playlist_menu)
+        else:
+            self.listbox.bind("<Button-3>", self._show_playlist_menu)
 
         bottom = ttk.Frame(self, padding=(8, 6))
         bottom.pack(fill="x")
         self.seekbar = SeekBar(bottom, command=self._on_seek_command)
         self.seekbar.pack(fill="x")
 
+        controls = ttk.Frame(bottom)
+        controls.pack(fill="x", pady=(4, 0))
         self.time_var = tk.StringVar(value="00:00 / --:--")
         self.status_var = tk.StringVar(value="就绪 — 打开文件或按 Ctrl+O")
-        ttk.Label(bottom, textvariable=self.time_var).pack(side="left", anchor="w")
+        self.seek_step_var = tk.StringVar(value=str(self.seek_step))
-        ttk.Label(bottom, textvariable=self.status_var, anchor="e").pack(side="right", fill="x", expand=True)
+        ttk.Label(controls, textvariable=self.time_var).pack(side="left", anchor="w")
+        ttk.Label(controls, text="快进步长:").pack(side="left", padx=(16, 4))
+        self.seek_step_spin = ttk.Spinbox(
+            controls,
+            from_=1,
+            to=600,
+            increment=1,
+            width=5,
+            textvariable=self.seek_step_var,
+            command=self._commit_seek_step,
+        )
+        self.seek_step_spin.pack(side="left")
+        ttk.Label(controls, text="秒").pack(side="left", padx=(4, 0))
+        self.seek_step_spin.bind("<Return>", self._on_seek_step_return)
+        self.seek_step_spin.bind("<FocusOut>", lambda _e: self._commit_seek_step())
+        ttk.Label(controls, textvariable=self.status_var, anchor="e").pack(side="right", fill="x", expand=True)
 
     def _bind_shortcuts(self):
         shortcuts = [
@@ -1012,11 +1033,11 @@ class MediaPlayerApp(tk.Tk):
         return "break"
 
     def _on_left(self, _event):
-        self.seek_relative(-SEEK_STEP)
+        self.seek_relative(-self.seek_step)
         return "break"
 
     def _on_right(self, _event):
-        self.seek_relative(SEEK_STEP)
+        self.seek_relative(self.seek_step)
         return "break"
 
     def _on_up(self, _event):
@@ -1115,6 +1136,26 @@ class MediaPlayerApp(tk.Tk):
     def _playlist_path(self):
         return Path.home() / ".mediaplayer_playlist.json"
 
+    def _settings_path(self):
+        return Path.home() / ".mediaplayer_settings.json"
+
+    def _load_settings(self):
+        try:
+            data = json.loads(self._settings_path().read_text(encoding="utf-8"))
+            value = int(data.get("seek_step", SEEK_STEP))
+        except Exception:
+            value = SEEK_STEP
+        return value if 1 <= value <= 600 else SEEK_STEP
+
+    def _save_settings(self):
+        try:
+            self._settings_path().write_text(
+                json.dumps({"seek_step": self.seek_step}, ensure_ascii=False, indent=2),
+                encoding="utf-8",
+            )
+        except Exception as exc:
+            print("保存设置失败：", exc)
+
     def _save_playlist(self):
         try:
             data = {"playlist": list(self.playlist), "current_index": self.current_index}
@@ -1225,6 +1266,26 @@ class MediaPlayerApp(tk.Tk):
             return
         self.seek_to(pos + seconds * 1000)
 
+    def _commit_seek_step(self):
+        raw = self.seek_step_var.get().strip()
+        try:
+            value = int(float(raw))
+        except ValueError:
+            value = 0
+        if not 1 <= value <= 600:
+            self.seek_step_var.set(str(self.seek_step))
+            self.status_var.set("快进步长需为 1-600 之间的整数")
+            return
+        if value != self.seek_step:
+            self.seek_step = value
+            self._save_settings()
+            self.status_var.set(f"快进步长已设为 {value} 秒（已保存）")
+
+    def _on_seek_step_return(self, _event):
+        self._commit_seek_step()
+        self.focus_set()
+        return "break"
+
     def seek_to(self, ms):
         ms = max(0, int(ms))
         if not self.engine.seek(ms):