From e96cb8ad150be6481eea8688e32bf177c5db37bc Mon Sep 17 00:00:00 2001
From: Timmy Welch <timmy@narnian.us>
Date: Sat, 27 Jul 2024 16:39:34 -0700
Subject: [PATCH] Add button to autodetect double pages

A page is marked as a double page if it's as least as wide as tall.

Closes: #578
Co-authored-by: Sven Hesse <drmccoy@drmccoy.de>
---
 comictaggerlib/pagelisteditor.py    | 13 ++++++++++++-
 comictaggerlib/ui/pagelisteditor.ui | 17 ++++++++++++-----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/comictaggerlib/pagelisteditor.py b/comictaggerlib/pagelisteditor.py
index 07064c6..b95294d 100644
--- a/comictaggerlib/pagelisteditor.py
+++ b/comictaggerlib/pagelisteditor.py
@@ -21,7 +21,7 @@ import logging
 from PyQt5 import QtCore, QtWidgets, uic
 
 from comicapi.comicarchive import ComicArchive, tags
-from comicapi.genericmetadata import ImageMetadata, PageType
+from comicapi.genericmetadata import GenericMetadata, ImageMetadata, PageType
 from comictaggerlib.coverimagewidget import CoverImageWidget
 from comictaggerlib.ui import ui_path
 from comictaggerlib.ui.qtutils import enable_widget
@@ -113,6 +113,7 @@ class PageListEditor(QtWidgets.QWidget):
         self.btnUp.clicked.connect(self.move_current_up)
         self.btnDown.clicked.connect(self.move_current_down)
         self.btnIdentifyScannerPage.clicked.connect(self.identify_scanner_page)
+        self.btnIdentifyDoublePage.clicked.connect(self.identify_double_page)
         self.pre_move_row = -1
         self.first_front_page: int | None = None
 
@@ -164,6 +165,16 @@ class PageListEditor(QtWidgets.QWidget):
         item.setText(self.list_entry_text(page_dict))
         self.change_page()
 
+    def identify_double_page(self) -> None:
+        if self.comic_archive is None:
+            return
+        md = GenericMetadata(pages=self.get_page_list())
+        double_pages = [x.get("double_page", False) for x in md.pages]
+        self.comic_archive.apply_archive_info_to_metadata(md, True, True)
+        self.set_data(self.comic_archive, pages_list=md.pages)
+        if double_pages != [x.get("double_page", False) for x in md.pages]:
+            self.modified.emit()
+
     def select_page_type_item(self, idx: int) -> None:
         if self.cbPageType.isEnabled() and self.listWidget.count() > 0:
             self.cbPageType.setCurrentIndex(idx)
diff --git a/comictaggerlib/ui/pagelisteditor.ui b/comictaggerlib/ui/pagelisteditor.ui
index 1038225..65040c9 100644
--- a/comictaggerlib/ui/pagelisteditor.ui
+++ b/comictaggerlib/ui/pagelisteditor.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>527</width>
+    <width>600</width>
     <height>323</height>
    </rect>
   </property>
@@ -114,17 +114,24 @@
          </property>
         </widget>
        </item>
-       <item row="0" column="0" colspan="3">
+       <item row="2" column="2">
+        <widget class="QCheckBox" name="cbxBlur">
+         <property name="text">
+          <string>Blur image (no spoilers)</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0">
         <widget class="QPushButton" name="btnIdentifyScannerPage">
          <property name="text">
           <string>Identify Scanner page</string>
          </property>
         </widget>
        </item>
-       <item row="2" column="2">
-        <widget class="QCheckBox" name="cbxBlur">
+       <item row="2" column="1">
+        <widget class="QPushButton" name="btnIdentifyDoublePage">
          <property name="text">
-          <string>Blur image (no spoilers)</string>
+          <string>Identify Double Page</string>
          </property>
         </widget>
        </item>