Add image comparison features to details dialog

.gitignore

@@ -22,4 +22,6 @@ cocoa/autogen
 
 *.pyd
 *.exe
-*.spec
+*.spec
+
+.vscode

CREDITS

@@ -1,6 +1,8 @@
 To know who contributed to dupeGuru, you can look at the commit log, but not all contributions
 result in a commit. This file lists contributors who don't necessarily appear in the commit log.
 
+* Jason Cho, Exchange icon
+* schollidesign (https://findicons.com/pack/1035/human_o2), Zoom-in, Zoom-out, Zoom-best-fit, Zoom-original icons
 * Jérôme Cantin, Main icon
 * Gregor Tätzner, German localization
 * Frank Weber, German localization

qt/app.py

@@ -7,7 +7,7 @@
 import sys
 import os.path as op
 
-from PyQt5.QtCore import QTimer, QObject, QUrl, pyqtSignal
+from PyQt5.QtCore import QTimer, QObject, QUrl, pyqtSignal, Qt
 from PyQt5.QtGui import QDesktopServices
 from PyQt5.QtWidgets import QApplication, QFileDialog, QDialog, QMessageBox
 
@@ -58,11 +58,11 @@ def __init__(self, **kwargs):
     def _setup(self):
         core.pe.photo.PLAT_SPECIFIC_PHOTO_CLASS = PlatSpecificPhoto
         self._setupActions()
+        self.details_dialog = None
         self._update_options()
         self.recentResults = Recent(self, "recentResults")
         self.recentResults.mustOpenItem.connect(self.model.load_from)
         self.resultWindow = None
-        self.details_dialog = None
         if self.use_tabs:
             self.main_window = TabBarWindow(self) if not self.prefs.tabs_default_pos else TabWindow(self)
             parent_window = self.main_window
@@ -177,6 +177,9 @@ def _update_options(self):
         self.model.options["match_scaled"] = self.prefs.match_scaled
         self.model.options["picture_cache_type"] = self.prefs.picture_cache_type
 
+        if self.details_dialog:
+            self.details_dialog.update_options()
+
     # --- Private
     def _get_details_dialog_class(self):
         if self.model.app_mode == AppMode.Picture:
@@ -212,22 +215,22 @@ def invokeCustomCommand(self):
 
     def show_details(self):
         if self.details_dialog is not None:
-            self.details_dialog.show()
+            if not self.details_dialog.isVisible():
+                self.details_dialog.show()
+            else:
+                self.details_dialog.hide()
 
     def showResultsWindow(self):
         if self.resultWindow is not None:
             if self.use_tabs:
-                self.main_window.addTab(
-                    self.resultWindow, "Results", switch=True)
+                self.main_window.showTab(self.resultWindow)
             else:
                 self.resultWindow.show()
 
     def showDirectoriesWindow(self):
         if self.directories_dialog is not None:
             if self.use_tabs:
-                index = self.main_window.indexOfWidget(self.directories_dialog)
-                self.main_window.setTabVisible(index, True)
-                self.main_window.setCurrentIndex(index)
+                self.main_window.showTab(self.directories_dialog)
             else:
                 self.directories_dialog.show()
 
@@ -295,6 +298,9 @@ def preferencesTriggered(self):
         preferences_dialog.setParent(None)
 
     def quitTriggered(self):
+        if self.details_dialog is not None:
+            self.details_dialog.close()
+
         if self.main_window:
             self.main_window.close()
         else:
@@ -333,14 +339,20 @@ def create_results_window(self):
         """Creates resultWindow and details_dialog depending on the selected ``app_mode``.
         """
         if self.details_dialog is not None:
+            # The object is not deleted entirely, avoid saving its geometry in the future
+            # self.willSavePrefs.disconnect(self.details_dialog.appWillSavePrefs)
+            # or simply delete it on close which is probably cleaner:
+            self.details_dialog.setAttribute(Qt.WA_DeleteOnClose)
             self.details_dialog.close()
-            self.details_dialog.setParent(None)
+            # self.details_dialog.setParent(None)  # seems unnecessary
         if self.resultWindow is not None:
             self.resultWindow.close()
             self.resultWindow.setParent(None)
         if self.use_tabs:
             self.resultWindow = self.main_window.createPage(
                 "ResultWindow", parent=self.main_window, app=self)
+            self.main_window.addTab(
+                self.resultWindow, "Results", switch=False)
         else:  # We don't use a tab widget, regular floating QMainWindow
             self.resultWindow = ResultWindow(self.directories_dialog, self)
             self.directories_dialog._updateActionsState()

qt/details_dialog.py

@@ -7,34 +7,63 @@
 # http://www.gnu.org/licenses/gpl-3.0.html
 
 from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QDialog
+from PyQt5.QtWidgets import QDockWidget, QWidget
 
 from .details_table import DetailsModel
+from hscommon.plat import ISLINUX
 
 
-class DetailsDialog(QDialog):
+class DetailsDialog(QDockWidget):
     def __init__(self, parent, app, **kwargs):
         super().__init__(parent, Qt.Tool, **kwargs)
+        self.parent = parent
         self.app = app
         self.model = app.model.details_panel
+        self.setAllowedAreas(Qt.AllDockWidgetAreas)
         self._setupUi()
         # To avoid saving uninitialized geometry on appWillSavePrefs, we track whether our dialog
         # has been shown. If it has, we know that our geometry should be saved.
         self._shown_once = False
-        self.app.prefs.restoreGeometry("DetailsWindowRect", self)
-        self.tableModel = DetailsModel(self.model)
+        self._wasDocked, area = self.app.prefs.restoreGeometry("DetailsWindowRect", self)
+        self.tableModel = DetailsModel(self.model, app)
         # tableView is defined in subclasses
         self.tableView.setModel(self.tableModel)
         self.model.view = self
-
         self.app.willSavePrefs.connect(self.appWillSavePrefs)
+        # self.setAttribute(Qt.WA_DeleteOnClose)
+        parent.addDockWidget(
+            area if self._wasDocked else Qt.BottomDockWidgetArea, self)
 
     def _setupUi(self):  # Virtual
         pass
 
     def show(self):
+        if not self._shown_once and self._wasDocked:
+            self.setFloating(False)
         self._shown_once = True
         super().show()
+        self.update_options()
+
+    def update_options(self):
+        # This disables the title bar (if we had not set one before already)
+        # essentially making it a simple floating window, not dockable anymore
+        if not self.app.prefs.details_dialog_titlebar_enabled:
+            if not self.titleBarWidget():  # default title bar
+                self.setTitleBarWidget(QWidget())  # disables title bar
+                # Windows (and MacOS?) users cannot move a floating window which
+                # has not native decoration so we force it to dock for now
+                if not ISLINUX:
+                    self.setFloating(False)
+        elif self.titleBarWidget() is not None:  # title bar is disabled
+            self.setTitleBarWidget(None)  # resets to the default title bar
+        elif not self.titleBarWidget() and not self.app.prefs.details_dialog_titlebar_enabled:
+            self.setTitleBarWidget(QWidget())
+
+        features = self.features()
+        if self.app.prefs.details_dialog_vertical_titlebar:
+            self.setFeatures(features | QDockWidget.DockWidgetVerticalTitleBar)
+        elif features & QDockWidget.DockWidgetVerticalTitleBar:
+            self.setFeatures(features ^ QDockWidget.DockWidgetVerticalTitleBar)
 
     # --- Events
     def appWillSavePrefs(self):

qt/details_table.py

@@ -8,7 +8,7 @@
 
 from PyQt5.QtCore import Qt, QAbstractTableModel
 from PyQt5.QtWidgets import QHeaderView, QTableView
-from PyQt5.QtGui import QFont, QBrush, QColor
+from PyQt5.QtGui import QFont, QBrush
 
 from hscommon.trans import trget
 
@@ -18,9 +18,10 @@
 
 
 class DetailsModel(QAbstractTableModel):
-    def __init__(self, model, **kwargs):
+    def __init__(self, model, app, **kwargs):
         super().__init__(**kwargs)
         self.model = model
+        self.prefs = app.prefs
 
     def columnCount(self, parent):
         return len(HEADER)
@@ -43,7 +44,7 @@ def data(self, index, role):
         if role == Qt.DisplayRole:
             return self.model.row(row)[column]
         if role == Qt.ForegroundRole and self.model.row(row)[1] != self.model.row(row)[2]:
-            return QBrush(QColor(250, 20, 20))  # red
+            return QBrush(self.prefs.details_table_delta_foreground_color)
         if role == Qt.FontRole and self.model.row(row)[1] != self.model.row(row)[2]:
             font = QFont(self.model.view.font())  # or simply QFont()
             font.setBold(True)
@@ -85,8 +86,6 @@ def setModel(self, model):
         # The model needs to be set to set header stuff
         hheader = self.horizontalHeader()
         hheader.setHighlightSections(False)
-        hheader.setStretchLastSection(False)
-        hheader.resizeSection(0, 100)
         hheader.setSectionResizeMode(0, QHeaderView.Stretch)
         hheader.setSectionResizeMode(1, QHeaderView.Stretch)
         vheader = self.verticalHeader()

qt/dg.qrc

@@ -5,5 +5,10 @@
     <file alias="plus">../images/plus_8.png</file>
     <file alias="minus">../images/minus_8.png</file>
     <file alias="search_clear_13">../qtlib/images/search_clear_13.png</file>
+    <file alias="exchange">../images/exchange_purple_upscaled.png</file>
+    <file alias="zoom_in">../images/old_zoom_in.png</file>
+    <file alias="zoom_out">../images/old_zoom_out.png</file>
+    <file alias="zoom_original">../images/old_zoom_original.png</file>
+    <file alias="zoom_best_fit">../images/old_zoom_best_fit.png</file>
 </qresource>
 </RCC>

qt/me/details_dialog.py

@@ -5,7 +5,7 @@
 # http://www.gnu.org/licenses/gpl-3.0.html
 
 from PyQt5.QtCore import QSize
-from PyQt5.QtWidgets import QVBoxLayout, QAbstractItemView
+from PyQt5.QtWidgets import QAbstractItemView
 
 from hscommon.trans import trget
 from ..details_dialog import DetailsDialog as DetailsDialogBase
@@ -19,11 +19,8 @@ def _setupUi(self):
         self.setWindowTitle(tr("Details"))
         self.resize(502, 295)
         self.setMinimumSize(QSize(250, 250))
-        self.verticalLayout = QVBoxLayout(self)
-        self.verticalLayout.setSpacing(0)
-        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
         self.tableView = DetailsTable(self)
         self.tableView.setAlternatingRowColors(True)
         self.tableView.setSelectionBehavior(QAbstractItemView.SelectRows)
         self.tableView.setShowGrid(False)
-        self.verticalLayout.addWidget(self.tableView)
+        self.setWidget(self.tableView)

qt/me/preferences_dialog.py

@@ -76,7 +76,7 @@ def _setupPreferenceWidgets(self):
         self.widgetsVLayout.addWidget(self.debugModeBox)
         self._setupBottomPart()
 
-    def _load(self, prefs, setchecked):
+    def _load(self, prefs, setchecked, section):
         setchecked(self.tagTrackBox, prefs.scan_tag_track)
         setchecked(self.tagArtistBox, prefs.scan_tag_artist)
         setchecked(self.tagAlbumBox, prefs.scan_tag_album)