feat: Add branding import/export functionality and enhance settings dialog with new fields

resources/translations/de.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "Fenstertitel (optional):",
   "settings.branding.logo_path_label": "Logo/Icon-Datei (optional):",
   "settings.branding.save_as_btn": "Branding speichern",
+  "settings.branding.export_btn": "Branding exportieren",
+  "settings.branding.import_btn": "Branding importieren",
   "settings.branding.delete_btn": "Branding löschen",
+  "settings.branding.export_title": "Branding exportieren",
+  "settings.branding.import_title": "Branding importieren",
   "settings.branding.preview_label": "Vorschau:",
   "settings.branding.no_icon_selected": "Kein Icon ausgewählt",
   "settings.branding.preview_default_name": "Default",

resources/translations/en.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "Window title (optional):",
   "settings.branding.logo_path_label": "Logo/Icon file (optional):",
   "settings.branding.save_as_btn": "Save Branding",
+  "settings.branding.export_btn": "Export Branding",
+  "settings.branding.import_btn": "Import Branding",
   "settings.branding.delete_btn": "Delete Branding",
+  "settings.branding.export_title": "Export Branding",
+  "settings.branding.import_title": "Import Branding",
   "settings.branding.preview_label": "Preview:",
   "settings.branding.no_icon_selected": "No icon selected",
   "settings.branding.preview_default_name": "Default",

resources/translations/fr.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "Titre de la fenêtre (facultatif) :",
   "settings.branding.logo_path_label": "Chemin du logo (facultatif) :",
   "settings.branding.save_as_btn": "Enregistrer le branding",
+  "settings.branding.export_btn": "Exporter le branding",
+  "settings.branding.import_btn": "Importer le branding",
   "settings.branding.delete_btn": "Supprimer le branding",
+  "settings.branding.export_title": "Exporter le branding",
+  "settings.branding.import_title": "Importer le branding",
   "settings.branding.preview_label": "Aperçu :",
   "settings.branding.no_icon_selected": "Aucune icône sélectionnée",
   "settings.branding.preview_default_name": "Default",

resources/translations/it.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "Titolo finestra (opzionale):",
   "settings.branding.logo_path_label": "Percorso logo (opzionale):",
   "settings.branding.save_as_btn": "Salva branding",
+  "settings.branding.export_btn": "Esporta branding",
+  "settings.branding.import_btn": "Importa branding",
   "settings.branding.delete_btn": "Elimina branding",
+  "settings.branding.export_title": "Esporta branding",
+  "settings.branding.import_title": "Importa branding",
   "settings.branding.preview_label": "Anteprima:",
   "settings.branding.no_icon_selected": "Nessuna icona selezionata",
   "settings.branding.preview_default_name": "Default",

resources/translations/ru.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "Заголовок окна (необязательно):",
   "settings.branding.logo_path_label": "Путь к логотипу (необязательно):",
   "settings.branding.save_as_btn": "Сохранить брендинг",
+  "settings.branding.export_btn": "Экспортировать брендинг",
+  "settings.branding.import_btn": "Импортировать брендинг",
   "settings.branding.delete_btn": "Удалить брендинг",
+  "settings.branding.export_title": "Экспортировать брендинг",
+  "settings.branding.import_title": "Импортировать брендинг",
   "settings.branding.preview_label": "Предпросмотр:",
   "settings.branding.no_icon_selected": "Значок не выбран",
   "settings.branding.preview_default_name": "Default",

resources/translations/zh.json

@@ -99,7 +99,11 @@
   "settings.branding.window_title_label": "窗口标题（可选）：",
   "settings.branding.logo_path_label": "Logo 路径（可选）：",
   "settings.branding.save_as_btn": "保存品牌配置",
+  "settings.branding.export_btn": "导出品牌配置",
+  "settings.branding.import_btn": "导入品牌配置",
   "settings.branding.delete_btn": "删除品牌配置",
+  "settings.branding.export_title": "导出品牌配置",
+  "settings.branding.import_title": "导入品牌配置",
   "settings.branding.preview_label": "预览：",
   "settings.branding.no_icon_selected": "未选择图标",
   "settings.branding.preview_default_name": "Default",

src/webdrop_bridge/core/branding_manager.py

@@ -6,6 +6,7 @@ import json
 import logging
 import os
 import platform
+import shutil
 from dataclasses import asdict, dataclass
 from pathlib import Path
 from typing import Any
@@ -15,6 +16,7 @@ from webdrop_bridge.config import DEFAULT_CONFIG_DIR_NAME, Config, Configuration
 logger = logging.getLogger(__name__)
 
 DEFAULT_BRANDING_TEMPLATE_ID = "default"
+DEFAULT_LOGO_PATH = "resources/icons/app.png"
 SUPPORTED_LOGO_SUFFIXES = {".png", ".jpg", ".jpeg", ".bmp", ".svg", ".ico", ".icns"}
 
 
@@ -83,6 +85,7 @@ BUILTIN_BRANDING_TEMPLATES: dict[str, BrandingTemplate] = {
         display_name="Default",
         app_name="WebDrop Bridge",
         window_title="",
+        logo_path=DEFAULT_LOGO_PATH,
         accent_color="#667eea",
     ),
     "agravity": BrandingTemplate(
@@ -90,6 +93,7 @@ BUILTIN_BRANDING_TEMPLATES: dict[str, BrandingTemplate] = {
         display_name="Agravity",
         app_name="Agravity Bridge",
         window_title="",
+        logo_path=DEFAULT_LOGO_PATH,
         accent_color="#2d7d6e",
     ),
 }
@@ -103,6 +107,7 @@ class BrandingManager:
         resolved_base = Path(env_dir).resolve() if env_dir and base_dir is None else base_dir
         self.base_dir = resolved_base or self._default_base_dir()
         self.templates_dir = self.base_dir / "templates"
+        self.assets_dir = self.base_dir / "assets"
         self.active_branding_path = self.base_dir / "active_branding.json"
         self.ensure_builtin_templates()
 
@@ -114,6 +119,7 @@ class BrandingManager:
     def ensure_builtin_templates(self) -> None:
         """Ensure built-in templates exist on disk for discovery and later editing."""
         self.templates_dir.mkdir(parents=True, exist_ok=True)
+        self.assets_dir.mkdir(parents=True, exist_ok=True)
 
         for template in BUILTIN_BRANDING_TEMPLATES.values():
             template_path = self.templates_dir / f"{template.template_id}.json"
@@ -165,10 +171,29 @@ class BrandingManager:
         if template.template_id in BUILTIN_BRANDING_TEMPLATES:
             raise ConfigurationError(f"Cannot overwrite built-in branding: {template.template_id}")
 
+        stored_logo_path = ""
+        if template.logo_path:
+            stored_logo_path = self._copy_logo_asset(template.logo_path, template.template_id)
+
+        stored_template = BrandingTemplate(
+            template_id=template.template_id,
+            display_name=template.display_name,
+            app_name=template.app_name,
+            window_title=template.window_title,
+            logo_path=stored_logo_path or template.logo_path,
+            app_icon_path_windows=stored_logo_path or template.app_icon_path_windows,
+            app_icon_path_macos=stored_logo_path or template.app_icon_path_macos,
+            toolbar_icon_home=template.toolbar_icon_home,
+            toolbar_icon_reload=template.toolbar_icon_reload,
+            toolbar_icon_open=template.toolbar_icon_open,
+            toolbar_icon_openwith=template.toolbar_icon_openwith,
+            accent_color=template.accent_color,
+        )
+
         self.templates_dir.mkdir(parents=True, exist_ok=True)
-        template_path = self.templates_dir / f"{template.template_id}.json"
-        template_path.write_text(json.dumps(template.to_dict(), indent=2), encoding="utf-8")
-        logger.info("Branding template saved: %s", template.template_id)
+        template_path = self.templates_dir / f"{stored_template.template_id}.json"
+        template_path.write_text(json.dumps(stored_template.to_dict(), indent=2), encoding="utf-8")
+        logger.info("Branding template saved: %s", stored_template.template_id)
         return template_path
 
     def build_template(
@@ -191,8 +216,8 @@ class BrandingManager:
         if not safe_name:
             raise ConfigurationError("Branding requires a display name")
         if logo:
-            logo_file = Path(logo)
-            if not logo_file.exists() or not logo_file.is_file():
+            logo_file = self._resolve_asset_path(logo)
+            if logo_file is None or not logo_file.exists() or not logo_file.is_file():
                 raise ConfigurationError(f"Logo file not found: {logo}")
             if logo_file.suffix.lower() not in SUPPORTED_LOGO_SUFFIXES:
                 raise ConfigurationError(
@@ -214,6 +239,97 @@ class BrandingManager:
         """Convert a human-readable branding name into a stable id."""
         return "".join(c.lower() if c.isalnum() else "_" for c in value).strip("_")
 
+    @staticmethod
+    def _resolve_asset_path(configured_path: str) -> Path | None:
+        """Resolve a branding asset path in dev and packaged layouts."""
+        if not configured_path:
+            return None
+
+        path = Path(configured_path)
+        candidates = [path] if path.is_absolute() else [Path.cwd() / path]
+        if not path.is_absolute():
+            project_root = Path(__file__).resolve().parents[3]
+            candidates.append(project_root / path)
+
+        for candidate in candidates:
+            if candidate.exists():
+                return candidate
+
+        return None
+
+    def _copy_logo_asset(self, configured_path: str, template_id: str) -> str:
+        """Copy a user-selected logo into managed branding storage."""
+        resolved_path = self._resolve_asset_path(configured_path)
+        if resolved_path is None or not resolved_path.exists() or not resolved_path.is_file():
+            raise ConfigurationError(f"Logo file not found: {configured_path}")
+
+        self.assets_dir.mkdir(parents=True, exist_ok=True)
+        target_path = self.assets_dir / f"{template_id}{resolved_path.suffix.lower()}"
+        if resolved_path.resolve() != target_path.resolve():
+            shutil.copy2(resolved_path, target_path)
+
+        return str(target_path)
+
+    def export_template(self, template_id: str, export_path: Path) -> Path:
+        """Export a branding into a shareable JSON file plus optional logo asset."""
+        template = self.load_template(template_id)
+        export_path.parent.mkdir(parents=True, exist_ok=True)
+
+        export_data = template.to_dict()
+        if template.logo_path:
+            resolved_logo = self._resolve_asset_path(template.logo_path)
+            if resolved_logo and resolved_logo.exists() and resolved_logo.is_file():
+                export_logo_path = export_path.parent / resolved_logo.name
+                if resolved_logo.resolve() != export_logo_path.resolve():
+                    shutil.copy2(resolved_logo, export_logo_path)
+                export_data["logo_path"] = export_logo_path.name
+                export_data["app_icon_path_windows"] = export_logo_path.name
+                export_data["app_icon_path_macos"] = export_logo_path.name
+
+        export_path.write_text(json.dumps(export_data, indent=2), encoding="utf-8")
+        logger.info("Branding template exported: %s -> %s", template_id, export_path)
+        return export_path
+
+    def import_template(self, import_path: Path) -> BrandingTemplate:
+        """Import a branding from a previously exported JSON file."""
+        if not import_path.exists() or not import_path.is_file():
+            raise ConfigurationError(f"Branding import file not found: {import_path}")
+
+        try:
+            data = json.loads(import_path.read_text(encoding="utf-8"))
+        except (OSError, json.JSONDecodeError) as exc:
+            raise ConfigurationError(f"Invalid branding import file: {import_path}") from exc
+
+        template = BrandingTemplate.from_dict(data)
+        imported_template_id = template.template_id
+        if imported_template_id in BUILTIN_BRANDING_TEMPLATES:
+            imported_template_id = self._slugify(f"{template.display_name}_imported")
+
+        imported_logo_path = ""
+        if template.logo_path:
+            candidate_logo = Path(template.logo_path)
+            if not candidate_logo.is_absolute():
+                candidate_logo = import_path.parent / candidate_logo
+            imported_logo_path = self._copy_logo_asset(str(candidate_logo), imported_template_id)
+
+        imported_template = BrandingTemplate(
+            template_id=imported_template_id,
+            display_name=template.display_name,
+            app_name=template.app_name,
+            window_title=template.window_title,
+            logo_path=imported_logo_path,
+            app_icon_path_windows=imported_logo_path or template.app_icon_path_windows,
+            app_icon_path_macos=imported_logo_path or template.app_icon_path_macos,
+            toolbar_icon_home=template.toolbar_icon_home,
+            toolbar_icon_reload=template.toolbar_icon_reload,
+            toolbar_icon_open=template.toolbar_icon_open,
+            toolbar_icon_openwith=template.toolbar_icon_openwith,
+            accent_color=template.accent_color,
+        )
+        self.save_template(imported_template)
+        logger.info("Branding template imported: %s", imported_template.template_id)
+        return imported_template
+
     def delete_template(self, template_id: str) -> None:
         """Delete a user template while protecting built-ins."""
         if template_id in BUILTIN_BRANDING_TEMPLATES:

src/webdrop_bridge/ui/settings_dialog.py

@@ -198,6 +198,20 @@ class SettingsDialog(QDialog):
         layout.addWidget(QLabel(tr("settings.branding.display_name_label")))
         layout.addWidget(self.branding_display_name_input)
 
+        self.branding_app_name_input = QLineEdit()
+        self.branding_app_name_input.setPlaceholderText(tr("settings.branding.app_name_label"))
+        self.branding_app_name_input.textChanged.connect(self._update_branding_preview)
+        layout.addWidget(QLabel(tr("settings.branding.app_name_label")))
+        layout.addWidget(self.branding_app_name_input)
+
+        self.branding_window_title_input = QLineEdit()
+        self.branding_window_title_input.setPlaceholderText(
+            tr("settings.branding.window_title_label")
+        )
+        self.branding_window_title_input.textChanged.connect(self._update_branding_preview)
+        layout.addWidget(QLabel(tr("settings.branding.window_title_label")))
+        layout.addWidget(self.branding_window_title_input)
+
         layout.addWidget(QLabel(tr("settings.branding.logo_path_label")))
         logo_layout = QHBoxLayout()
         self.branding_logo_path_input = QLineEdit()
@@ -215,6 +229,10 @@ class SettingsDialog(QDialog):
         self.branding_preview_name_label.setStyleSheet("font-weight: bold;")
         layout.addWidget(self.branding_preview_name_label)
 
+        self.branding_preview_title_label = QLabel()
+        self.branding_preview_title_label.setStyleSheet("color: gray;")
+        layout.addWidget(self.branding_preview_title_label)
+
         self.branding_preview_icon_label = QLabel(tr("settings.branding.no_icon_selected"))
         self.branding_preview_icon_label.setFixedSize(72, 72)
         self.branding_preview_icon_label.setStyleSheet(
@@ -227,6 +245,14 @@ class SettingsDialog(QDialog):
         self.save_branding_as_btn.clicked.connect(self._save_branding_as)
         branding_button_layout.addWidget(self.save_branding_as_btn)
 
+        self.export_branding_btn = QPushButton(tr("settings.branding.export_btn"))
+        self.export_branding_btn.clicked.connect(self._export_branding)
+        branding_button_layout.addWidget(self.export_branding_btn)
+
+        self.import_branding_btn = QPushButton(tr("settings.branding.import_btn"))
+        self.import_branding_btn.clicked.connect(self._import_branding)
+        branding_button_layout.addWidget(self.import_branding_btn)
+
         self.delete_branding_btn = QPushButton(tr("settings.branding.delete_btn"))
         self.delete_branding_btn.clicked.connect(self._delete_branding)
         branding_button_layout.addWidget(self.delete_branding_btn)
@@ -262,9 +288,30 @@ class SettingsDialog(QDialog):
         """Load the selected branding into the editable fields."""
         template = self.branding_manager.load_template(template_id)
         self.branding_display_name_input.setText(template.display_name)
-        self.branding_logo_path_input.setText(template.logo_path)
+        self.branding_app_name_input.setText(template.app_name)
+        self.branding_window_title_input.setText(
+            template.window_title or f"{template.app_name} v{self.config.app_version}"
+        )
+        self.branding_logo_path_input.setText(template.logo_path or template.get_app_icon_path())
         self._update_branding_preview()
 
+    def _resolve_branding_preview_path(self, configured_path: str) -> Optional[Path]:
+        """Resolve a branding preview path in both dev and packaged layouts."""
+        if not configured_path:
+            return None
+
+        path = Path(configured_path)
+        candidates = [path] if path.is_absolute() else [Path.cwd() / path]
+        if not path.is_absolute():
+            project_root = Path(__file__).resolve().parents[3]
+            candidates.append(project_root / path)
+
+        for candidate in candidates:
+            if candidate.exists() and candidate.is_file():
+                return candidate
+
+        return None
+
     def _update_branding_preview(self) -> None:
         """Refresh the small branding preview for name and icon."""
         display_name = self.branding_display_name_input.text().strip() or tr(
@@ -272,11 +319,17 @@ class SettingsDialog(QDialog):
         )
         self.branding_preview_name_label.setText(display_name)
 
+        effective_title = self.branding_window_title_input.text().strip() or (
+            self.branding_app_name_input.text().strip() or display_name
+        )
+        self.branding_preview_title_label.setText(effective_title)
+
         logo_path = self.branding_logo_path_input.text().strip()
-        if logo_path and Path(logo_path).exists():
-            pixmap = QPixmap(logo_path)
+        resolved_logo_path = self._resolve_branding_preview_path(logo_path)
+        if resolved_logo_path:
+            pixmap = QPixmap(str(resolved_logo_path))
             if pixmap.isNull():
-                icon = QIcon(logo_path)
+                icon = QIcon(str(resolved_logo_path))
                 pixmap = icon.pixmap(64, 64)
 
             if not pixmap.isNull():
@@ -318,10 +371,13 @@ class SettingsDialog(QDialog):
 
         try:
             display_name = self.branding_display_name_input.text().strip() or branding_name
+            app_name = self.branding_app_name_input.text().strip() or display_name
+            window_title = self.branding_window_title_input.text().strip()
             template = self.branding_manager.build_template(
                 template_id=branding_name,
                 display_name=display_name,
-                app_name=display_name,
+                app_name=app_name,
+                window_title=window_title,
                 logo_path=self.branding_logo_path_input.text(),
             )
             self.branding_manager.save_template(template)
@@ -330,6 +386,44 @@ class SettingsDialog(QDialog):
         except ConfigurationError as e:
             self._show_error(f"Failed to save branding: {e}")
 
+    def _export_branding(self) -> None:
+        """Export the selected branding so it can be shared with other users."""
+        template_id = self.branding_combo.currentData()
+        if not template_id:
+            return
+
+        file_path, _ = QFileDialog.getSaveFileName(
+            self,
+            tr("settings.branding.export_title"),
+            str(Path.home() / f"{template_id}.json"),
+            "JSON Files (*.json);;All Files (*)",
+        )
+        if not file_path:
+            return
+
+        try:
+            self.branding_manager.export_template(template_id, Path(file_path))
+        except ConfigurationError as e:
+            self._show_error(f"Failed to export branding: {e}")
+
+    def _import_branding(self) -> None:
+        """Import a branding package from another user."""
+        file_path, _ = QFileDialog.getOpenFileName(
+            self,
+            tr("settings.branding.import_title"),
+            str(Path.home()),
+            "JSON Files (*.json);;All Files (*)",
+        )
+        if not file_path:
+            return
+
+        try:
+            template = self.branding_manager.import_template(Path(file_path))
+            self._refresh_branding_combo(template.template_id)
+            self._load_branding_into_editor(template.template_id)
+        except ConfigurationError as e:
+            self._show_error(f"Failed to import branding: {e}")
+
     def _delete_branding(self) -> None:
         """Delete the currently selected custom branding."""
         template_id = self.branding_combo.currentData()

tests/unit/test_branding_manager.py

@@ -1,5 +1,7 @@
 """Tests for runtime branding template management."""
 
+from pathlib import Path
+
 import pytest
 
 from webdrop_bridge.config import Config, ConfigurationError
@@ -114,6 +116,21 @@ def test_delete_custom_branding_removes_it(tmp_path):
     assert not manager.has_template("customer_b")
 
 
+def test_build_template_preserves_app_and_window_titles(tmp_path):
+    """Custom brandings should keep their editable app and window title values."""
+    manager = BrandingManager(base_dir=tmp_path)
+
+    template = manager.build_template(
+        template_id="Customer C",
+        display_name="Customer C",
+        app_name="Customer Bridge",
+        window_title="Customer Bridge Desktop",
+    )
+
+    assert template.app_name == "Customer Bridge"
+    assert template.window_title == "Customer Bridge Desktop"
+
+
 def test_invalid_logo_file_is_rejected(tmp_path):
     """Non-existent logo files should not be accepted for saved brandings."""
     manager = BrandingManager(base_dir=tmp_path)
@@ -124,3 +141,32 @@ def test_invalid_logo_file_is_rejected(tmp_path):
             display_name="Customer C",
             logo_path=str(tmp_path / "missing-logo.png"),
         )
+
+
+def test_exported_branding_can_be_imported_for_another_user(tmp_path):
+    """Exported brandings should be shareable and importable by another user."""
+    source_logo = tmp_path / "shared-logo.png"
+    source_logo.write_bytes(b"fake-png-data")
+
+    source_manager = BrandingManager(base_dir=tmp_path / "source")
+    template = source_manager.build_template(
+        template_id="Customer D",
+        display_name="Customer D",
+        app_name="Customer Bridge",
+        window_title="Customer Window",
+        logo_path=str(source_logo),
+    )
+    source_manager.save_template(template)
+
+    export_path = tmp_path / "export" / "customer_d.json"
+    source_manager.export_template("customer_d", export_path)
+
+    target_manager = BrandingManager(base_dir=tmp_path / "target")
+    imported = target_manager.import_template(export_path)
+
+    assert imported.template_id == "customer_d"
+    assert imported.display_name == "Customer D"
+    assert imported.app_name == "Customer Bridge"
+    assert imported.window_title == "Customer Window"
+    assert Path(imported.logo_path).exists()
+    assert target_manager.has_template("customer_d")

tests/unit/test_settings_dialog.py

@@ -120,9 +120,15 @@ class TestSettingsDialogInitialization:
         qtbot.addWidget(dialog)
 
         assert dialog.branding_display_name_input.text() == "Default"
+        assert dialog.branding_app_name_input.text() == "WebDrop Bridge"
+        assert "WebDrop Bridge" in dialog.branding_window_title_input.text()
         assert dialog.branding_logo_path_input is not None
         assert dialog.browse_branding_logo_btn is not None
         assert dialog.branding_preview_name_label.text() == "Default"
+        assert dialog.branding_preview_icon_label.pixmap() is not None
+        assert not dialog.branding_preview_icon_label.pixmap().isNull()
+        assert dialog.export_branding_btn is not None
+        assert dialog.import_branding_btn is not None
         assert dialog.delete_branding_btn is not None
 
     def test_save_branding_as_creates_custom_template(