V2.3.0 — Ajout texte/image + barre outils verticale

- Ajout de texte libre sur les pages (Annotations > Ajouter du texte)
  - Texte multi-ligne, police, taille, couleur au choix
  - Position X/Y en mm, appliquer a page courante/toutes/paires/impaires
- Ajout d'image sur les pages (Annotations > Ajouter une image)
  - PNG/JPG/BMP/GIF/TIFF, position, taille, ratio auto
  - Memes options d'application
- Barre d'outils verticale a droite avec toutes les fonctions :
  - IMPOSITION : Livret, N-Up, Repetition, Manuel, Joindre
  - PAGES : Recadrer, Pg blanche, Fusionner
  - ANNOTATIONS : Texte, Image, Numeros, Masquer
  - REPERES : Coupe +/-, Bleed +/-
- Toolbar horizontale : Ouvrir, Enregistrer, Imprimer, Zoom

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

app/dialogs/add_text_dialog.py

@@ -0,0 +1,117 @@
+"""Dialogue Ajouter du texte sur une page."""
+
+from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+                              QGroupBox, QComboBox, QSpinBox, QLineEdit,
+                              QDialogButtonBox, QDoubleSpinBox, QTextEdit,
+                              QColorDialog, QPushButton)
+from PyQt6.QtGui import QColor
+from PyQt6.QtCore import Qt
+from reportlab.lib.units import mm
+
+
+class AddTextDialog(QDialog):
+    def __init__(self, total_pages=1, current_page=0, parent=None):
+        super().__init__(parent)
+        self.setWindowTitle("Ajouter du texte")
+        self.setMinimumWidth(450)
+        self._total_pages = total_pages
+        self._current_page = current_page
+        self._color = QColor(0, 0, 0)
+        self._setup_ui()
+
+    def _setup_ui(self):
+        layout = QVBoxLayout(self)
+
+        # Texte
+        grp_text = QGroupBox("Texte")
+        tl = QVBoxLayout(grp_text)
+        self.edit_text = QTextEdit()
+        self.edit_text.setPlaceholderText("Saisissez le texte a ajouter...")
+        self.edit_text.setMaximumHeight(80)
+        tl.addWidget(self.edit_text)
+        layout.addWidget(grp_text)
+
+        # Police
+        grp_font = QGroupBox("Police")
+        fl = QHBoxLayout(grp_font)
+        self.combo_font = QComboBox()
+        self.combo_font.addItems(["Helvetica", "Helvetica-Bold", "Times-Roman",
+                                   "Times-Bold", "Courier", "Courier-Bold"])
+        fl.addWidget(self.combo_font)
+        fl.addWidget(QLabel("Taille :"))
+        self.spin_size = QSpinBox()
+        self.spin_size.setRange(4, 200)
+        self.spin_size.setValue(12)
+        fl.addWidget(self.spin_size)
+        self.btn_color = QPushButton("Couleur")
+        self.btn_color.setStyleSheet("background: black; color: white; padding: 4px 12px;")
+        self.btn_color.clicked.connect(self._choose_color)
+        fl.addWidget(self.btn_color)
+        layout.addWidget(grp_font)
+
+        # Position
+        grp_pos = QGroupBox("Position (mm depuis le bas-gauche)")
+        pl = QHBoxLayout(grp_pos)
+        pl.addWidget(QLabel("X :"))
+        self.spin_x = QDoubleSpinBox()
+        self.spin_x.setRange(0, 2000)
+        self.spin_x.setValue(20)
+        self.spin_x.setSuffix(" mm")
+        pl.addWidget(self.spin_x)
+        pl.addWidget(QLabel("Y :"))
+        self.spin_y = QDoubleSpinBox()
+        self.spin_y.setRange(0, 2000)
+        self.spin_y.setValue(20)
+        self.spin_y.setSuffix(" mm")
+        pl.addWidget(self.spin_y)
+        layout.addWidget(grp_pos)
+
+        # Appliquer a
+        grp_apply = QGroupBox("Appliquer a")
+        al = QHBoxLayout(grp_apply)
+        self.combo_apply = QComboBox()
+        self.combo_apply.addItems([
+            f"Page courante ({self._current_page + 1})",
+            "Toutes les pages",
+            "Pages paires",
+            "Pages impaires"
+        ])
+        al.addWidget(self.combo_apply)
+        layout.addWidget(grp_apply)
+
+        buttons = QDialogButtonBox(
+            QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel
+        )
+        buttons.accepted.connect(self.accept)
+        buttons.rejected.connect(self.reject)
+        layout.addWidget(buttons)
+
+    def _choose_color(self):
+        color = QColorDialog.getColor(self._color, self)
+        if color.isValid():
+            self._color = color
+            self.btn_color.setStyleSheet(
+                f"background: {color.name()}; color: {'white' if color.lightness() < 128 else 'black'}; padding: 4px 12px;"
+            )
+
+    def get_settings(self):
+        apply_text = self.combo_apply.currentText()
+        if "courante" in apply_text:
+            apply_to = "current"
+        elif "paires" in apply_text.lower():
+            apply_to = "even"
+        elif "impaires" in apply_text.lower():
+            apply_to = "odd"
+        else:
+            apply_to = "all"
+
+        return {
+            "text": self.edit_text.toPlainText(),
+            "font_name": self.combo_font.currentText(),
+            "font_size": self.spin_size.value(),
+            "color": (self._color.redF(), self._color.greenF(), self._color.blueF()),
+            "x": self.spin_x.value() * mm,
+            "y": self.spin_y.value() * mm,
+            "apply_to": apply_to,
+            "current_page": self._current_page,
+        }