Init projet Photostation - borne impression photo tactile PyQt6

Structure : 4 écrans (accueil, import, éditeur, impression),
navigation QStackedWidget, base éditeur QGraphicsScene.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/ui/screens/import_screen.py

@@ -0,0 +1,87 @@
+"""Écran d'import — galerie de photos importées."""
+
+from PyQt6.QtWidgets import (
+    QWidget, QVBoxLayout, QHBoxLayout, QPushButton,
+    QLabel, QScrollArea, QGridLayout
+)
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QFont, QPixmap
+
+
+class ImportScreen(QWidget):
+    def __init__(self, main_window):
+        super().__init__()
+        self.main_window = main_window
+        self.photos = []
+        self._setup_ui()
+
+    def _setup_ui(self):
+        layout = QVBoxLayout(self)
+
+        # Header
+        header = QHBoxLayout()
+        back_btn = QPushButton("Retour")
+        back_btn.setFont(QFont("", 14))
+        back_btn.clicked.connect(self.main_window.show_home)
+        header.addWidget(back_btn)
+
+        title = QLabel("Sélectionnez une photo")
+        title.setFont(QFont("", 24, QFont.Weight.Bold))
+        title.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        header.addWidget(title, 1)
+
+        header.addSpacing(80)  # Balance le bouton retour
+        layout.addLayout(header)
+
+        # Grille de photos (scrollable)
+        scroll = QScrollArea()
+        scroll.setWidgetResizable(True)
+        scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
+
+        self.grid_widget = QWidget()
+        self.grid_layout = QGridLayout(self.grid_widget)
+        self.grid_layout.setSpacing(10)
+        scroll.setWidget(self.grid_widget)
+
+        layout.addWidget(scroll)
+
+    def set_photos(self, photo_paths):
+        """Affiche les photos dans la grille."""
+        # Clear existing
+        while self.grid_layout.count():
+            item = self.grid_layout.takeAt(0)
+            if item.widget():
+                item.widget().deleteLater()
+
+        self.photos = photo_paths
+        cols = 4
+        for i, path in enumerate(photo_paths):
+            row, col = divmod(i, cols)
+            thumb = self._create_thumbnail(path)
+            self.grid_layout.addWidget(thumb, row, col)
+
+    def _create_thumbnail(self, path):
+        btn = QPushButton()
+        btn.setMinimumSize(180, 180)
+        btn.setStyleSheet("""
+            QPushButton {
+                border: 3px solid transparent;
+                border-radius: 10px;
+            }
+            QPushButton:pressed {
+                border-color: #2196F3;
+            }
+        """)
+        pixmap = QPixmap(path)
+        if not pixmap.isNull():
+            scaled = pixmap.scaled(
+                170, 170,
+                Qt.AspectRatioMode.KeepAspectRatio,
+                Qt.TransformationMode.SmoothTransformation
+            )
+            btn.setIcon(scaled)
+            from PyQt6.QtCore import QSize
+            btn.setIconSize(QSize(170, 170))
+
+        btn.clicked.connect(lambda checked, p=path: self.main_window.show_editor(p))
+        return btn