connect thumbnail selection signal to main controller; enhance thumbnail handling with media ID

ui/widgets/thumbnail_list_widget.py

@@ -3,7 +3,7 @@ from PySide6.QtWidgets import (
     QLabel, QHBoxLayout
 )
 from PySide6.QtGui import QPixmap, QIcon
-from PySide6.QtCore import Qt, QSize
+from PySide6.QtCore import Qt, QSize, Signal
 import sys
 
 def make_thumbnail(image_path: str, size: QSize) -> QPixmap:
@@ -56,6 +56,8 @@ class ThumbnailItemWidget(QWidget):
 
 
 class ThumbnailListWidget(QWidget):
+    selectedThumbnail = Signal(int)  # sygnał z ID wybranego elementu
+
     def __init__(self):
         super().__init__()
         layout = QVBoxLayout(self)
@@ -69,8 +71,9 @@ class ThumbnailListWidget(QWidget):
 
         self.list_widget.itemPressed.connect(self.on_item_pressed)
 
-    def add_thumbnail(self, image_path: str, text: str):
+    def add_thumbnail(self, image_path: str, text: str, id: int):
         item = QListWidgetItem()
+        item.setData(Qt.ItemDataRole.UserRole, id)
         item.setSizeHint(QSize(192, 192))  # rozmiar „wiersza”
 
         print(f"Adding thumbnail: {image_path} with text: {text}")
@@ -80,5 +83,7 @@ class ThumbnailListWidget(QWidget):
 
     def on_item_pressed(self, item: QListWidgetItem):
         row = self.list_widget.row(item)
-        print(f"Kliknięto miniaturę w wierszu: {row}")
+        id = item.data(Qt.ItemDataRole.UserRole)
+        print(f"Kliknięto miniaturę w wierszu: {row}, obiekt ID: {id}")
+        self.selectedThumbnail.emit(id)