aded settings window and persistent memory

Author: SilvioGiancola

osl_visualizer/ui/configdialog.ui

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ConfigDialog</class>
+ <widget class="QDialog" name="ConfigDialog">
+  <property name="windowTitle">
+   <string>Settings</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="jumpBeforeLabel">
+     <property name="text">
+      <string>Jump Before Annotation (ms):</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QSpinBox" name="jumpBeforeSpinBox">
+     <property name="maximum">
+      <number>60000</number>
+     </property>
+     <property name="singleStep">
+      <number>100</number>
+     </property>
+     <property name="value">
+      <number>5000</number>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout">
+     <item>
+      <widget class="QPushButton" name="okButton">
+       <property name="text">
+        <string>OK</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="cancelButton">
+       <property name="text">
+        <string>Cancel</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

osl_visualizer/ui/mainwindow.ui

@@ -215,6 +215,7 @@
     </property>
     <addaction name="actionLoad_OSL_Json"/>
     <addaction name="actionSave_OSL_JSON"/>
+    <addaction name="actionOpen_Settings"/>
    </widget>
    <addaction name="menuFile"/>
   </widget>
@@ -229,6 +230,11 @@
     <string>Save OSL JSON</string>
    </property>
   </action>
+  <action name="actionOpen_Settings">
+   <property name="text">
+    <string>Open Settings</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>

osl_visualizer/viewer.py

@@ -20,6 +20,22 @@
     format='%(asctime)s %(levelname)s:%(message)s',
     handlers=[logging.StreamHandler()]
 )
+from PyQt6 import uic
+from PyQt6.QtWidgets import QDialog
+from PyQt6.QtCore import QSettings
+
+class ConfigDialog(QDialog):
+    def __init__(self, parent=None, current_jump_before=5000):
+        super().__init__(parent)
+        # uic.loadUi("ui/configdialog.ui", self)
+        uic.loadUi(os.path.join(os.path.dirname(__file__), "ui/configdialog.ui"), self)
+
+        self.jumpBeforeSpinBox.setValue(current_jump_before)
+        self.okButton.clicked.connect(self.accept)
+        self.cancelButton.clicked.connect(self.reject)
+
+    def get_jump_before(self):
+        return self.jumpBeforeSpinBox.value()
 
 class DatasetViewer(QMainWindow):
     def __init__(self):
@@ -43,6 +59,7 @@ def __init__(self):
         self.available_labels = []
         self.current_video_info = None
         self._updating_selection = False
+        self.jump_before_ms = 5000
 
         self.player = QMediaPlayer(self)
         self.audio_output = QAudioOutput(self)
@@ -71,6 +88,10 @@ def __init__(self):
         self.forwardFrameButton.clicked.connect(lambda: self.step_frame(1))
         self.addAnnotationButton.clicked.connect(self.add_annotation_at_current_time)
         self.removeAnnotationButton.clicked.connect(self.remove_selected_annotation)
+        self.actionOpen_Settings.triggered.connect(self.show_config_dialog)
+
+
+        self.load_settings()
 
 
 
@@ -169,7 +190,7 @@ def select_annotation(self, item):
         else:
             self.metadataTextEdit.setText("")
 
-        jump_to = max(0, ann["position"] - 5000)  # 5000 ms = 5 seconds
+        jump_to = max(0, ann["position"] - self.jump_before_ms)  # 5000 ms = 5 seconds
         self.player.setPosition(jump_to)
         self.player.play()
         self.playButton.setText("Pause")
@@ -395,3 +416,19 @@ def set_annotation_time_to_video(self):
 
         logging.info(f"Annotation updated and resorted to {current_time}ms (index {new_index})")
 
+    def show_config_dialog(self):
+        dialog = ConfigDialog(self, self.jump_before_ms)
+        if dialog.exec():
+            self.jump_before_ms = dialog.get_jump_before()
+            self.save_settings()   # Persist!
+
+
+    def save_settings(self):
+        settings = QSettings("OSLActionSpotting", "DatasetAnnotationTool")
+        settings.setValue("jump_before_ms", self.jump_before_ms)
+
+
+    def load_settings(self):
+        settings = QSettings("OSLActionSpotting", "DatasetAnnotationTool")
+        # get returns QVariant; int(None) raises TypeError, so handle missing gracefully
+        self.jump_before_ms = settings.value("jump_before_ms", 5000)