miscs

copienator/commands/cutleft.py

@@ -284,6 +284,7 @@ class ImageReviewer:
         self.current_width_offset = 0
         self.default_max_per_file = default_max_per_file
         self.current_max_per_file = default_max_per_file
+        self.review_settings: dict[int, tuple[int, int, int]] = {}
         self.current_preview: Image.Image | None = None
         self.is_processing = False
         self.manual_queue: Queue[
@@ -298,6 +299,8 @@ class ImageReviewer:
         self.label_info = tk.Label(self.root, text="", font=("Arial", 12, "bold"))
         self.label_info.pack(pady=5)
         self.root.bind("<Return>", self.on_next)
+        self.root.bind("p", self.on_previous)
+        self.root.bind("P", self.on_previous)
         self.root.bind("!", self.on_skip)
         self.root.protocol("WM_DELETE_WINDOW", self.on_close)
         self.root.bind("<Left>", lambda _event: self.on_shift(-CROP_SHIFT_STEP))
@@ -343,8 +346,9 @@ class ImageReviewer:
             self.on_close()
             return
         self.is_processing = False
-        self.current_shift = 0
-        self.current_width_offset = 0
+        self.current_shift, self.current_width_offset, self.current_max_per_file = (
+            self.review_settings.get(self.index, (0, 0, self.default_max_per_file))
+        )
         self.current_result = None
         self.margin_analysis = None
         self.trigger_processing(self.files[self.index], self.current_shift)
@@ -426,7 +430,7 @@ class ImageReviewer:
                 f"Cols: {schema['columns_per_file']}\n"
                 f"{margin_info}"
                 "Arrows: left/right move by 50px | up/down widen/narrow by 50px\n"
-                "Enter: Save and next | !: flag error and skip | 1: use full pages"
+                "Enter: Save and next | P/p: previous copy | !: flag error and skip | 1: use full pages"
                 f"{personal_instructions}"
             ),
             fg="black",
@@ -474,11 +478,21 @@ class ImageReviewer:
         self.stop_prefetch.set()
         self.root.destroy()
 
+    def _remember_settings(self) -> None:
+        self.review_settings[self.index] = (
+            self.current_shift, self.current_width_offset, self.current_max_per_file,
+        )
+
+    def on_previous(self, _event=None) -> None:
+        if self.is_processing or self.index == 0:
+            return
+        self._remember_settings()
+        self.index -= 1
+        self.load_current_image()
+
     def _advance(self) -> None:
+        self._remember_settings()
         self.index += 1
-        self.current_shift = 0
-        self.current_width_offset = 0
-        self.current_max_per_file = self.default_max_per_file
         self.load_current_image()