2025-05-22 19:10:39 +02:00
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import glob
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2025-05-23 11:09:47 +02:00
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import os
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2025-05-23 20:38:19 +02:00
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import pymupdf # PyMuPDF
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2025-05-22 19:10:39 +02:00
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from PySide6.QtCore import Qt
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2025-05-28 19:30:37 +02:00
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from PySide6.QtGui import QCursor, QPixmap, QImage, QPainter, QAction
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2025-05-27 20:48:21 +02:00
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from PySide6.QtWidgets import QLabel, QMainWindow, QApplication, QStyleFactory
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2025-05-23 11:09:47 +02:00
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2025-05-21 20:26:03 +02:00
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from ui.MainWinddow_ui import Ui_MainWindow
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2025-05-20 11:24:07 +02:00
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class MainWindow(QMainWindow):
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def __init__(self, parent=None):
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"""
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Konstruktor für die MainWindow-Klasse.
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2025-05-23 11:09:47 +02:00
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2025-05-20 11:24:07 +02:00
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Args:
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parent: Übergeordnetes Widget, falls vorhanden
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"""
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super().__init__(parent)
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2025-05-23 11:09:47 +02:00
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2025-05-20 11:24:07 +02:00
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# UI einrichten
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self.ui = Ui_MainWindow()
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self.ui.setupUi(self)
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2025-05-23 11:09:47 +02:00
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2025-05-22 19:10:39 +02:00
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# Dict zum Speichern der Beziehung zwischen Thumbnails und großen Bildern
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self.thumbnail_to_full_image = {}
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2025-05-27 18:31:45 +02:00
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# Dicts zum Speichern der Original-Pixmaps für alle drei Ebenen
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self.ref_pixmaps = {} # Unterste Ebene (ref)
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self.diff_pixmaps = {} # Mittlere Ebene (diff)
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self.new_pixmaps = {} # Oberste Ebene (new)
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2025-05-22 21:05:22 +02:00
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# Aktueller Zoom-Faktor
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self.current_zoom = 100 # 100%
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2025-05-23 21:26:50 +02:00
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# Variablen für Drag-to-Scroll (Anti-Jitter für 4K/DPI-Skalierung)
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self.is_dragging = False
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self.last_drag_position = None
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self.drag_threshold = 3 # Mindestbewegung in Pixeln vor dem Scrollen
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self.scroll_sensitivity = 0.7 # Reduzierte Empfindlichkeit für sanfteres Scrollen
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2025-05-27 20:48:21 +02:00
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# Theme-Menü initialisieren
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self._setup_theme_menu()
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2025-05-22 19:10:39 +02:00
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# Bilder laden
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self._load_images()
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# Signale und Slots verbinden
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self._connect_signals()
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def _setup_theme_menu(self):
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"""Initialisiert das Theme-Menü mit verfügbaren Themes."""
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# Hole alle verfügbaren Themes
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available_themes = QStyleFactory.keys()
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current_theme = QApplication.style().objectName()
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print(f"Verfügbare Themes: {available_themes}")
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print(f"Aktuelles Theme: {current_theme}")
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2025-05-27 20:48:21 +02:00
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# Füge Theme-Aktionen zum Menü hinzu
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for theme_name in available_themes:
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action = QAction(theme_name, self)
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action.setCheckable(True)
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# Markiere das aktuelle Theme
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if theme_name.lower() == current_theme.lower():
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action.setChecked(True)
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# Verbinde die Aktion mit der Theme-Wechsel-Funktion
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action.triggered.connect(lambda checked, theme=theme_name: self.change_theme(theme))
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# Füge die Aktion zum Theme-Menü hinzu
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self.ui.menuThema.addAction(action)
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def change_theme(self, theme_name):
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"""
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Wechselt das Theme der Anwendung.
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Args:
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theme_name: Name des zu verwendenden Themes
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"""
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print(f"Wechsle zu Theme: {theme_name}")
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try:
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# Erstelle den neuen Style
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style = QStyleFactory.create(theme_name)
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if style:
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# Wende den neuen Style auf die Anwendung an
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QApplication.setStyle(style)
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# Aktualisiere die Checkmarks im Menü
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for action in self.ui.menuThema.actions():
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action.setChecked(action.text() == theme_name)
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print(f"Theme erfolgreich gewechselt zu: {theme_name}")
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else:
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print(f"Fehler: Theme '{theme_name}' konnte nicht erstellt werden")
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except Exception as e:
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print(f"Fehler beim Wechseln des Themes: {e}")
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def _load_images(self):
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"""Lädt PDF-Seiten aus den drei Unterordnern ref, diff und new."""
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# Entferne bestehende Widgets aus den Layouts
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self._clear_layout(self.ui.verticalLayout_2)
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self._clear_layout(self.ui.verticalLayout_3)
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# Dicts zurücksetzen
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self.thumbnail_to_full_image = {}
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self.ref_pixmaps = {}
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self.diff_pixmaps = {}
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self.new_pixmaps = {}
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# Basis-Pfad zu den PDF-Ordnern
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base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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pdf_base_dir = os.path.join(base_dir, "src", "ui", "res", "pdf")
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diff_dir = os.path.join(pdf_base_dir, "diff")
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ref_dir = os.path.join(pdf_base_dir, "ref")
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new_dir = os.path.join(pdf_base_dir, "new")
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# Prüfe ob diff-Ordner existiert und PDF-Dateien enthält
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if not os.path.exists(diff_dir):
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print(f"Diff-Ordner nicht gefunden: {diff_dir}")
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return
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# Finde alle PDF-Dateien im diff-Ordner
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diff_pdfs = glob.glob(os.path.join(diff_dir, "*.pdf"))
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if not diff_pdfs:
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print("Keine PDF-Dateien im diff-Ordner gefunden")
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return
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print(f"Gefundene PDF-Dateien im diff-Ordner: {diff_pdfs}")
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# Für jede PDF-Datei im diff-Ordner
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for diff_pdf_path in diff_pdfs:
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pdf_filename = os.path.basename(diff_pdf_path)
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ref_pdf_path = os.path.join(ref_dir, pdf_filename)
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new_pdf_path = os.path.join(new_dir, pdf_filename)
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# Prüfe ob gleichnamige PDFs in ref und new existieren
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if not os.path.exists(ref_pdf_path):
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print(f"Referenz-PDF nicht gefunden: {ref_pdf_path}")
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continue
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if not os.path.exists(new_pdf_path):
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print(f"New-PDF nicht gefunden: {new_pdf_path}")
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continue
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try:
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# Alle drei PDF-Dateien öffnen
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diff_doc = pymupdf.open(diff_pdf_path)
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ref_doc = pymupdf.open(ref_pdf_path)
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new_doc = pymupdf.open(new_pdf_path)
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print(f"PDFs geladen: {pdf_filename}")
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print(f" diff: {len(diff_doc)} Seiten")
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print(f" ref: {len(ref_doc)} Seiten")
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print(f" new: {len(new_doc)} Seiten")
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# Nehme die minimale Seitenzahl aller drei PDFs
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max_pages = min(len(diff_doc), len(ref_doc), len(new_doc))
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# Für jede Seite
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for page_num in range(max_pages):
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# Seiten aus allen drei PDFs laden
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diff_page = diff_doc[page_num]
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ref_page = ref_doc[page_num]
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new_page = new_doc[page_num]
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# Seiten in hoher Auflösung rendern
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matrix = pymupdf.Matrix(2.0, 2.0) # 2x Vergrößerung für bessere Qualität
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# Diff-Seite für Thumbnail verwenden
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diff_pix = diff_page.get_pixmap(matrix=matrix)
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diff_img_data = diff_pix.tobytes("png")
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diff_qimg = QImage.fromData(diff_img_data)
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diff_pixmap = QPixmap.fromImage(diff_qimg)
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# Ref-Seite für unterste Ebene
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ref_pix = ref_page.get_pixmap(matrix=matrix)
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ref_img_data = ref_pix.tobytes("png")
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ref_qimg = QImage.fromData(ref_img_data)
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ref_pixmap = QPixmap.fromImage(ref_qimg)
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# New-Seite für oberste Ebene
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new_pix = new_page.get_pixmap(matrix=matrix)
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new_img_data = new_pix.tobytes("png")
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new_qimg = QImage.fromData(new_img_data)
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new_pixmap = QPixmap.fromImage(new_qimg)
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# Thumbnail erstellen (aus diff-PDF) und zur linken Spalte hinzufügen
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thumbnail = QLabel()
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thumbnail.setObjectName(f"thumbnail_{pdf_filename}_page_{page_num + 1}")
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thumbnail.setPixmap(diff_pixmap.scaledToWidth(200, Qt.TransformationMode.SmoothTransformation))
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thumbnail.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
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thumbnail.setMouseTracking(True)
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self.ui.verticalLayout_2.addWidget(thumbnail)
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2025-05-28 19:22:17 +02:00
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# Seitennumer für Thumbnail anzeigen
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thumbnail_label = QLabel(f"Seite: {page_num + 1}")
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thumbnail_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
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self.ui.verticalLayout_2.addWidget(thumbnail_label)
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# Vollbild-Version erstellen (überlagerte Ebenen) und zur rechten Spalte hinzufügen
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fullsize = QLabel()
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fullsize.setObjectName(f"fullsize_{pdf_filename}_page_{page_num + 1}")
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fullsize.setAlignment(Qt.AlignmentFlag.AlignHCenter) # Horizontale Zentrierung
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self.ui.verticalLayout_3.addWidget(fullsize)
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# Seitennumer für Vollansich anzeigen
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fullsize_label = QLabel(f"Seite: {page_num + 1}")
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fullsize_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
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self.ui.verticalLayout_3.addWidget(fullsize_label)
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# Beziehungen speichern
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self.thumbnail_to_full_image[thumbnail] = fullsize
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self.ref_pixmaps[fullsize] = ref_pixmap
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self.diff_pixmaps[fullsize] = diff_pixmap
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self.new_pixmaps[fullsize] = new_pixmap
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# Click-Event für das Thumbnail einrichten
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thumbnail.mousePressEvent = lambda event, t=thumbnail: self.on_thumbnail_clicked(event, t)
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# Drag-to-Scroll Events für große Bilder einrichten
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fullsize.mousePressEvent = lambda event, f=fullsize: self.on_fullsize_mouse_press(event, f)
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fullsize.mouseMoveEvent = lambda event, f=fullsize: self.on_fullsize_mouse_move(event, f)
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fullsize.mouseReleaseEvent = lambda event, f=fullsize: self.on_fullsize_mouse_release(event, f)
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print(f"Seite {page_num + 1} gerendert.")
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# PDF-Dokumente schließen
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diff_doc.close()
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ref_doc.close()
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new_doc.close()
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except Exception as e:
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print(f"Fehler beim Laden der PDFs: {e}")
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# Initiale Darstellung mit aktuellem Alpha-Wert
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self.update_layered_images()
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def _clear_layout(self, layout):
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"""Entfernt alle Widgets aus einem Layout."""
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if layout is not None:
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while layout.count():
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item = layout.takeAt(0)
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widget = item.widget()
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if widget is not None:
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widget.deleteLater()
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def _connect_signals(self):
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"""Verbindet Signale mit den entsprechenden Slots."""
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# Button-Klicks verbinden
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self.ui.pushButton.clicked.connect(self.on_button_clicked)
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2025-05-23 11:09:47 +02:00
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2025-05-22 21:05:22 +02:00
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# Zoom-Slider verbinden
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self.ui.zoom.valueChanged.connect(self.apply_zoom)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Alpha-Slider verbinden
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self.ui.alpha.valueChanged.connect(self.on_alpha_changed)
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def on_alpha_changed(self, alpha_value):
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"""
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Wird ausgeführt, wenn der Alpha-Slider geändert wird.
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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Args:
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alpha_value: Der neue Alpha-Wert (-100 bis 100)
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"""
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print(f"Alpha geändert auf {alpha_value}")
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self.update_layered_images()
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def update_layered_images(self):
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"""Aktualisiert alle überlagerten Bilder basierend auf dem aktuellen Alpha-Wert."""
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alpha_value = self.ui.alpha.value()
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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for fullsize_label in self.ref_pixmaps.keys():
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# Hole die Original-Pixmaps für alle drei Ebenen
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ref_pixmap = self.ref_pixmaps[fullsize_label]
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diff_pixmap = self.diff_pixmaps[fullsize_label]
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new_pixmap = self.new_pixmaps[fullsize_label]
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Erstelle das überlagerte Bild
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layered_pixmap = self.create_layered_pixmap(ref_pixmap, diff_pixmap, new_pixmap, alpha_value)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Wende aktuellen Zoom an
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zoom_factor = self.current_zoom / 100.0
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if zoom_factor != 1.0:
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new_width = int(layered_pixmap.width() * zoom_factor)
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layered_pixmap = layered_pixmap.scaledToWidth(new_width, Qt.TransformationMode.SmoothTransformation)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Setze das überlagerte Bild
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fullsize_label.setPixmap(layered_pixmap)
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fullsize_label.setAlignment(Qt.AlignmentFlag.AlignHCenter)
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def create_layered_pixmap(self, ref_pixmap, diff_pixmap, new_pixmap, alpha_value):
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"""
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Erstellt ein übergelagertes Pixmap basierend auf dem Alpha-Wert.
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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Args:
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ref_pixmap: Unterste Ebene (ref)
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diff_pixmap: Mittlere Ebene (diff)
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new_pixmap: Oberste Ebene (new)
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alpha_value: Alpha-Wert (-100 bis 100)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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Returns:
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QPixmap: Das überlagerte Bild
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"""
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# Verwende die Größe des größten Bildes
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max_width = max(ref_pixmap.width(), diff_pixmap.width(), new_pixmap.width())
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max_height = max(ref_pixmap.height(), diff_pixmap.height(), new_pixmap.height())
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Erstelle ein leeres Pixmap für das Ergebnis
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result = QPixmap(max_width, max_height)
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result.fill(Qt.GlobalColor.white)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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painter = QPainter(result)
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painter.setRenderHint(QPainter.RenderHint.Antialiasing)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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if alpha_value <= 0:
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# Alpha von -100 bis 0: Übergang von ref zu diff
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# ref_opacity: 1.0 bei -100, 0.0 bei 0
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# diff_opacity: 0.0 bei -100, 1.0 bei 0
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ref_opacity = 1.0 - (alpha_value + 100) / 100.0
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diff_opacity = (alpha_value + 100) / 100.0
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new_opacity = 0.0
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else:
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# Alpha von 0 bis 100: Übergang von diff zu new
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# diff_opacity: 1.0 bei 0, 0.0 bei 100
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# new_opacity: 0.0 bei 0, 1.0 bei 100
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ref_opacity = 0.0
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diff_opacity = 1.0 - alpha_value / 100.0
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new_opacity = alpha_value / 100.0
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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# Zeichne die Ebenen mit entsprechender Transparenz
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if ref_opacity > 0:
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painter.setOpacity(ref_opacity)
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painter.drawPixmap(0, 0, ref_pixmap)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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if diff_opacity > 0:
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painter.setOpacity(diff_opacity)
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painter.drawPixmap(0, 0, diff_pixmap)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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if new_opacity > 0:
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painter.setOpacity(new_opacity)
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painter.drawPixmap(0, 0, new_pixmap)
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2025-05-28 19:30:37 +02:00
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2025-05-27 18:31:45 +02:00
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painter.end()
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return result
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2025-05-23 11:09:47 +02:00
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2025-05-22 19:10:39 +02:00
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def on_button_clicked(self):
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"""Wird ausgeführt, wenn der Button geklickt wird."""
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print("Button wurde geklickt!")
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# Hier kann die gewünschte Aktion für den Button definiert werden
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2025-05-23 11:09:47 +02:00
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2025-05-22 19:10:39 +02:00
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def on_thumbnail_clicked(self, event, thumbnail):
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"""
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Wird ausgeführt, wenn ein Thumbnail angeklickt wird.
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2025-05-23 11:09:47 +02:00
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2025-05-22 19:10:39 +02:00
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Args:
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event: Das Maus-Event
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thumbnail: Das geklickte Thumbnail-Label
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"""
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print(f"Thumbnail {thumbnail.objectName()} wurde angeklickt: {event}")
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2025-05-23 11:09:47 +02:00
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2025-05-22 19:10:39 +02:00
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# Zum entsprechenden Vollbild scrollen
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full_image = self.thumbnail_to_full_image.get(thumbnail)
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if full_image:
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self.ui.scrollArea_2.ensureWidgetVisible(full_image)
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2025-05-23 11:09:47 +02:00
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2025-05-22 21:05:22 +02:00
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def apply_zoom(self, zoom_value):
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"""
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Wendet den Zoom-Faktor auf alle Bilder im rechten Panel an.
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2025-05-23 11:09:47 +02:00
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2025-05-22 21:05:22 +02:00
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Args:
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zoom_value: Der neue Zoom-Wert (in Prozent)
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"""
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self.current_zoom = zoom_value
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print(f"Zoom geändert auf {zoom_value}%")
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2025-05-23 11:09:47 +02:00
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2025-05-27 18:31:45 +02:00
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# Aktualisiere alle überlagerten Bilder mit neuem Zoom
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self.update_layered_images()
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2025-05-23 21:26:50 +02:00
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def on_fullsize_mouse_press(self, event, fullsize_label):
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"""
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Wird ausgeführt, wenn die Maustaste auf einem großen Bild gedrückt wird.
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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Args:
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event: Das Maus-Event
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fullsize_label: Das große Bild-Label
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"""
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if event.button() == Qt.MouseButton.LeftButton:
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self.is_dragging = True
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# Verwende globale Position für bessere 4K/DPI Kompatibilität
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self.last_drag_position = event.globalPosition().toPoint()
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fullsize_label.setCursor(QCursor(Qt.CursorShape.ClosedHandCursor))
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def on_fullsize_mouse_move(self, event, fullsize_label):
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"""
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Wird ausgeführt, wenn die Maus über einem großen Bild bewegt wird.
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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Args:
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event: Das Maus-Event
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fullsize_label: Das große Bild-Label
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"""
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if self.is_dragging and self.last_drag_position is not None:
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# Verwende globale Position für bessere 4K/DPI Kompatibilität
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current_pos = event.globalPosition().toPoint()
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delta = current_pos - self.last_drag_position
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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# Prüfe ob die Bewegung groß genug ist (Anti-Jitter)
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if abs(delta.x()) >= self.drag_threshold or abs(delta.y()) >= self.drag_threshold:
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# Hole die aktuellen Scroll-Balken
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v_scrollbar = self.ui.scrollArea_2.verticalScrollBar()
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h_scrollbar = self.ui.scrollArea_2.horizontalScrollBar()
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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# Berechne neue Scroll-Positionen mit reduzierter Empfindlichkeit
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scroll_delta_y = int(-delta.y() * self.scroll_sensitivity)
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scroll_delta_x = int(-delta.x() * self.scroll_sensitivity)
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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new_v_value = v_scrollbar.value() + scroll_delta_y
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new_h_value = h_scrollbar.value() + scroll_delta_x
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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# Setze die neuen Scroll-Positionen
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v_scrollbar.setValue(new_v_value)
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h_scrollbar.setValue(new_h_value)
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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# Aktualisiere die letzte Position nur bei erfolgreichem Scroll
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self.last_drag_position = current_pos
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def on_fullsize_mouse_release(self, event, fullsize_label):
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"""
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Wird ausgeführt, wenn die Maustaste auf einem großen Bild losgelassen wird.
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2025-05-28 19:30:37 +02:00
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2025-05-23 21:26:50 +02:00
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Args:
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event: Das Maus-Event
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fullsize_label: Das große Bild-Label
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"""
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if event.button() == Qt.MouseButton.LeftButton:
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self.is_dragging = False
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self.last_drag_position = None
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fullsize_label.setCursor(QCursor(Qt.CursorShape.ArrowCursor))
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