示例#1
0
class MainWindow(QtGui.QMainWindow):
    def __init__(self, verbose):
        QtGui.QMainWindow.__init__(self)
        self.setWindowTitle("Photini photo metadata editor")
        self.selection = list()
        # logger window
        self.loggerwindow = LoggerWindow(verbose)
        self.logger = logging.getLogger(self.__class__.__name__)
        # config store
        self.config_store = ConfigStore()
        # set network proxy
        proxies = urllib2.getproxies()
        if 'http' in proxies:
            scheme, host, port = proxies['http'].split(':')
            QNetworkProxy.setApplicationProxy(
                QNetworkProxy(QNetworkProxy.HttpProxy, host[2:], int(port)))
        # restore size
        size = self.width(), self.height()
        self.resize(*eval(
            self.config_store.get('main_window', 'size', str(size))))
        # image selector
        self.image_list = ImageList(self.config_store)
        self.image_list.selection_changed.connect(self.new_selection)
        self.image_list.new_metadata.connect(self.new_metadata)
        # prepare list of tabs and associated stuff
        self.tab_list = (
            {'name' : '&Descriptive metadata',  'class' : Descriptive},
            {'name' : '&Technical metadata',    'class' : Technical},
            {'name' : 'Map (&Google)',          'class' : GoogleMap},
            {'name' : 'Map (&Bing)',            'class' : BingMap},
            {'name' : 'Map (&OSM)',             'class' : OpenStreetMap},
            {'name' : '&Flickr uploader',       'class' : FlickrUploader},
            {'name' : '&Picasa uploader',       'class' : PicasaUploader},
            )
        for tab in self.tab_list:
            tab['key'] = tab['name'].replace('&', '').replace(' ', '_')
            tab['key'] = tab['key'].replace('(', '').replace(')', '').lower()
            if tab['class']:
                tab['object'] = tab['class'](self.config_store, self.image_list)
            else:
                tab['object'] = None
        # file menu
        file_menu = self.menuBar().addMenu('File')
        open_action = QtGui.QAction('Open images', self)
        open_action.setShortcuts(['Ctrl+O'])
        open_action.triggered.connect(self.image_list.open_files)
        file_menu.addAction(open_action)
        self.save_action = QtGui.QAction('Save images with new data', self)
        self.save_action.setShortcuts(['Ctrl+S'])
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.image_list.save_files)
        file_menu.addAction(self.save_action)
        self.close_action = QtGui.QAction('Close selected images', self)
        self.close_action.setEnabled(False)
        self.close_action.triggered.connect(self.close_files)
        file_menu.addAction(self.close_action)
        close_all_action = QtGui.QAction('Close all images', self)
        close_all_action.triggered.connect(self.close_all_files)
        file_menu.addAction(close_all_action)
        file_menu.addSeparator()
        quit_action = QtGui.QAction('Quit', self)
        quit_action.setShortcuts(['Ctrl+Q', 'Ctrl+W'])
        quit_action.triggered.connect(QtGui.qApp.closeAllWindows)
        file_menu.addAction(quit_action)
        # options menu
        options_menu = self.menuBar().addMenu('Options')
        settings_action = QtGui.QAction('Settings', self)
        settings_action.triggered.connect(self.edit_settings)
        options_menu.addAction(settings_action)
        options_menu.addSeparator()
        for tab in self.tab_list:
            tab['action'] = QtGui.QAction(tab['name'].replace('&', ''), self)
            tab['action'].setCheckable(True)
            if tab['class']:
                tab['action'].setChecked(
                    eval(self.config_store.get('tabs', tab['key'], 'True')))
            else:
                tab['action'].setEnabled(False)
            tab['action'].triggered.connect(self.add_tabs)
            options_menu.addAction(tab['action'])
        # help menu
        help_menu = self.menuBar().addMenu('Help')
        about_action = QtGui.QAction('About Photini', self)
        about_action.triggered.connect(self.about)
        help_menu.addAction(about_action)
        help_menu.addSeparator()
        help_action = QtGui.QAction('Photini documentation', self)
        help_action.triggered.connect(self.open_docs)
        help_menu.addAction(help_action)
        # main application area
        self.central_widget = QtGui.QSplitter()
        self.central_widget.setOrientation(Qt.Vertical)
        self.central_widget.setChildrenCollapsible(False)
        self.tabs = QtGui.QTabWidget()
        self.add_tabs()
        self.tabs.currentChanged.connect(self.new_tab)
        self.central_widget.addWidget(self.tabs)
        self.central_widget.addWidget(self.image_list)
        size = self.central_widget.sizes()
        self.central_widget.setSizes(eval(
            self.config_store.get('main_window', 'split', str(size))))
        self.central_widget.splitterMoved.connect(self.new_split)
        self.setCentralWidget(self.central_widget)

    def add_tabs(self):
        current = self.tabs.currentWidget()
        self.tabs.clear()
        for tab in self.tab_list:
            use_tab = tab['action'].isChecked()
            self.config_store.set('tabs', tab['key'], str(use_tab))
            if tab['object'] and use_tab:
                self.tabs.addTab(tab['object'], tab['name'])
        if current:
            self.tabs.setCurrentWidget(current)

    def open_docs(self):
        webbrowser.open_new('http://jim-easterbrook.github.com/Photini/')
    
    def close_files(self):
        self._close_files(False)

    def close_all_files(self):
        self._close_files(True)

    def _close_files(self, all_files):
        if self.image_list.unsaved_files_dialog(all_files=all_files):
            self.image_list.close_files(all_files)

    def closeEvent(self, event):
        self.image_list.unsaved_files_dialog(with_cancel=False)
        QtGui.QMainWindow.closeEvent(self, event)

    def edit_settings(self):
        dialog = EditSettings(self, self.config_store)
        dialog.exec_()

    @QtCore.pyqtSlot()
    def about(self):
        dialog = QtGui.QMessageBox()
        dialog.setWindowTitle('Photini: about')
        dialog.setText(
            open(os.path.join(data_dir, 'about.html')).read() % (version))
        dialog.setDetailedText(
            open(os.path.join(data_dir, 'LICENSE.txt')).read())
        dialog.exec_()

    @QtCore.pyqtSlot(int, int)
    def new_split(self, pos, index):
        self.config_store.set(
            'main_window', 'split', str(self.central_widget.sizes()))

    @QtCore.pyqtSlot(int)
    def new_tab(self, index):
        current = self.tabs.currentWidget()
        if current:
            current.refresh()
            self.image_list.emit_selection()

    @QtCore.pyqtSlot(list)
    def new_selection(self, selection):
        self.close_action.setEnabled(len(selection) > 0)
        self.tabs.currentWidget().new_selection(selection)

    @QtCore.pyqtSlot(bool)
    def new_metadata(self, unsaved_data):
        self.save_action.setEnabled(unsaved_data)

    def resizeEvent(self, event):
        size = self.width(), self.height()
        self.config_store.set('main_window', 'size', str(size))
示例#2
0
class MainWindow(QtWidgets.QMainWindow):
    def __init__(self, options, initial_files):
        super(MainWindow, self).__init__()
        self.setWindowTitle(self.tr("Photini photo metadata editor"))
        pixmap = QtGui.QPixmap()
        pixmap.loadFromData(pkg_resources.resource_string(
            'photini', 'data/icons/48/photini.png'))
        icon = QtGui.QIcon(pixmap)
        self.setWindowIcon(icon)
        self.selection = list()
        # logger window
        self.loggerwindow = LoggerWindow(options.verbose)
        self.loggerwindow.setWindowIcon(icon)
        # set network proxy
        proxies = getproxies()
        if 'http' in proxies:
            parsed = urlparse(proxies['http'])
            QNetworkProxy.setApplicationProxy(QNetworkProxy(
                QNetworkProxy.HttpProxy, parsed.hostname, parsed.port))
        # create shared global objects
        self.app = QtWidgets.QApplication.instance()
        self.app.config_store = ConfigStore('editor', parent=self)
        self.app.spell_check = SpellCheck(parent=self)
        self.app.test_mode = options.test
        # restore size
        size = self.width(), self.height()
        self.resize(*eval(
            self.app.config_store.get('main_window', 'size', str(size))))
        # image selector
        self.image_list = ImageList()
        self.image_list.selection_changed.connect(self.new_selection)
        self.image_list.new_metadata.connect(self.new_metadata)
        # update config file
        if self.app.config_store.config.has_section('tabs'):
            conv = {
                'descriptive_metadata': 'photini.descriptive',
                'technical_metadata'  : 'photini.technical',
                'map_google'          : 'photini.googlemap',
                'map_bing'            : 'photini.bingmap',
                'map_mapbox'          : 'photini.mapboxmap',
                'map_osm'             : 'photini.openstreetmap',
                'flickr_upload'       : 'photini.flickr',
                'import_photos'       : 'photini.importer',
                }
            for key in self.app.config_store.config.options('tabs'):
                if key in conv:
                    self.app.config_store.set(
                        'tabs', conv[key],
                        self.app.config_store.get('tabs', key))
                    self.app.config_store.config.remove_option('tabs', key)
        # prepare list of tabs and associated stuff
        self.tab_list = []
        modules = ('photini.descriptive', 'photini.technical',
                   'photini.googlemap',   'photini.bingmap',
                   'photini.mapboxmap',   'photini.openstreetmap',
                   'photini.flickr',      'photini.googlephotos',
                   'photini.importer')
        modules = eval(self.app.config_store.get(
            'tabs', 'modules', pprint.pformat(modules)))
        for module in modules:
            tab = {'module': module}
            try:
                mod = importlib.import_module(tab['module'])
                tab['class'] = mod.TabWidget
                tab['name'] = tab['class'].tab_name()
            except ImportError as ex:
                print(str(ex))
                tab['class'] = None
            self.tab_list.append(tab)
        # file menu
        file_menu = self.menuBar().addMenu(self.tr('File'))
        open_action = QtWidgets.QAction(self.tr('Open images'), self)
        open_action.setShortcuts(QtGui.QKeySequence.Open)
        open_action.triggered.connect(self.image_list.open_files)
        file_menu.addAction(open_action)
        self.save_action = QtWidgets.QAction(
            self.tr('Save images with new data'), self)
        self.save_action.setShortcuts(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.image_list.save_files)
        file_menu.addAction(self.save_action)
        self.close_action = QtWidgets.QAction(
            self.tr('Close selected images'), self)
        self.close_action.setEnabled(False)
        self.close_action.triggered.connect(self.close_files)
        file_menu.addAction(self.close_action)
        close_all_action = QtWidgets.QAction(self.tr('Close all images'), self)
        close_all_action.triggered.connect(self.close_all_files)
        file_menu.addAction(close_all_action)
        if GpxImporter:
            file_menu.addSeparator()
            self.import_gpx_action = QtWidgets.QAction(
                self.tr('Import GPX file'), self)
            self.import_gpx_action.triggered.connect(self.import_pgx_file)
            file_menu.addAction(self.import_gpx_action)
        else:
            self.import_gpx_action = None
        file_menu.addSeparator()
        quit_action = QtWidgets.QAction(self.tr('Quit'), self)
        quit_action.setShortcuts(
            [QtGui.QKeySequence.Quit, QtGui.QKeySequence.Close])
        quit_action.triggered.connect(
            QtWidgets.QApplication.instance().closeAllWindows)
        file_menu.addAction(quit_action)
        # options menu
        options_menu = self.menuBar().addMenu(self.tr('Options'))
        settings_action = QtWidgets.QAction(self.tr('Settings'), self)
        settings_action.triggered.connect(self.edit_settings)
        options_menu.addAction(settings_action)
        options_menu.addSeparator()
        for tab in self.tab_list:
            if tab['class']:
                name = tab['name'].replace('&', '')
            else:
                name = tab['module']
            tab['action'] = QtWidgets.QAction(name, self)
            tab['action'].setCheckable(True)
            if tab['class']:
                tab['action'].setChecked(eval(
                    self.app.config_store.get('tabs', tab['module'], 'True')))
            else:
                tab['action'].setEnabled(False)
            tab['action'].triggered.connect(self.add_tabs)
            options_menu.addAction(tab['action'])
        # spelling menu
        languages = self.app.spell_check.available_languages()
        spelling_menu = self.menuBar().addMenu(self.tr('Spelling'))
        enable_action = QtWidgets.QAction(self.tr('Enable spell check'), self)
        enable_action.setEnabled(languages is not None)
        enable_action.setCheckable(True)
        enable_action.setChecked(self.app.spell_check.enabled)
        enable_action.toggled.connect(self.app.spell_check.enable)
        spelling_menu.addAction(enable_action)
        language_menu = QtWidgets.QMenu(self.tr('Choose language'), self)
        language_menu.setEnabled(languages is not None)
        current_language = self.app.spell_check.current_language()
        if languages:
            language_group = QtWidgets.QActionGroup(self)
            for name, code in languages:
                if name != code:
                    name = code + ': ' + name
                language_action = QtWidgets.QAction(name, self)
                language_action.setCheckable(True)
                language_action.setChecked(code == current_language)
                language_action.setData(code)
                language_action.setActionGroup(language_group)
                language_menu.addAction(language_action)
            language_group.triggered.connect(self.set_language)
        else:
            language_action = QtWidgets.QAction(
                self.tr('No dictionary installed'), self)
            language_action.setEnabled(False)
            language_menu.addAction(language_action)
        spelling_menu.addMenu(language_menu)
        # help menu
        help_menu = self.menuBar().addMenu(self.tr('Help'))
        about_action = QtWidgets.QAction(self.tr('About Photini'), self)
        about_action.triggered.connect(self.about)
        help_menu.addAction(about_action)
        help_menu.addSeparator()
        help_action = QtWidgets.QAction(self.tr('Photini documentation'), self)
        help_action.triggered.connect(self.open_docs)
        help_menu.addAction(help_action)
        # main application area
        self.central_widget = QtWidgets.QSplitter()
        self.central_widget.setOrientation(Qt.Vertical)
        self.central_widget.setChildrenCollapsible(False)
        self.tabs = QtWidgets.QTabWidget()
        self.tabs.setTabBar(QTabBar())
        self.tabs.setElideMode(Qt.ElideRight)
        self.tabs.currentChanged.connect(self.new_tab)
        self.add_tabs(False)
        self.central_widget.addWidget(self.tabs)
        self.central_widget.addWidget(self.image_list)
        size = self.central_widget.sizes()
        self.central_widget.setSizes(eval(
            self.app.config_store.get('main_window', 'split', str(size))))
        self.central_widget.splitterMoved.connect(self.new_split)
        self.setCentralWidget(self.central_widget)
        # open files given on command line, after GUI is displayed
        self.initial_files = initial_files
        if self.initial_files:
            QtCore.QTimer.singleShot(0, self.open_initial_files)

    @QtCore.pyqtSlot()
    @catch_all
    def open_initial_files(self):
        self.image_list.open_file_list(self.initial_files)

    @QtCore.pyqtSlot(bool)
    @catch_all
    def add_tabs(self, checked):
        was_blocked = self.tabs.blockSignals(True)
        current = self.tabs.currentWidget()
        self.tabs.clear()
        idx = 0
        for tab in self.tab_list:
            if not tab['class']:
                self.app.config_store.set('tabs', tab['module'], 'True')
                continue
            use_tab = tab['action'].isChecked()
            self.app.config_store.set('tabs', tab['module'], str(use_tab))
            if not use_tab:
                continue
            if 'object' not in tab:
                tab['object'] = tab['class'](self.image_list)
            self.tabs.addTab(tab['object'], tab['name'])
            self.tabs.setTabToolTip(idx, tab['name'].replace('&', ''))
            idx += 1
        self.tabs.blockSignals(was_blocked)
        if current:
            self.tabs.setCurrentWidget(current)
        self.new_tab(-1)

    @QtCore.pyqtSlot()
    @catch_all
    def open_docs(self):
        webbrowser.open_new('http://photini.readthedocs.io/')

    @QtCore.pyqtSlot()
    @catch_all
    def close_files(self):
        self.image_list.close_files(False)

    @QtCore.pyqtSlot()
    @catch_all
    def close_all_files(self):
        self.image_list.close_files(True)

    @QtCore.pyqtSlot()
    @catch_all
    def import_pgx_file(self):
        importer = GpxImporter()
        importer.do_import(self)

    @catch_all
    def closeEvent(self, event):
        for n in range(self.tabs.count()):
            if self.tabs.widget(n).do_not_close():
                event.ignore()
                return
        self.image_list.unsaved_files_dialog(all_files=True, with_cancel=False)
        super(MainWindow, self).closeEvent(event)

    @QtCore.pyqtSlot()
    @catch_all
    def edit_settings(self):
        dialog = EditSettings(self)
        dialog.exec_()
        self.tabs.currentWidget().refresh()

    @QtCore.pyqtSlot(QtWidgets.QAction)
    @catch_all
    def set_language(self, action):
        self.app.spell_check.set_language(action.data())

    @QtCore.pyqtSlot()
    @catch_all
    def about(self):
        text = self.tr("""
<table width="100%"><tr>
<td align="center" width="70%">
<h1>Photini</h1>
<h3>version {0}</h3>
<h4>build {1}</h4>
</td>
<td align="center"><img src="{2}" /></td>
</tr></table>
<p>&copy; Jim Easterbrook <a href="mailto:[email protected]">
[email protected]</a><br /><br />
An easy to use digital photograph metadata editor.<br />
Open source package available from
<a href="https://github.com/jim-easterbrook/Photini">
github.com/jim-easterbrook/Photini</a>.</p>
<p>This program is released with a GNU General Public License. For
details click the 'show details' button.</p>
""").format(__version__, build,
            pkg_resources.resource_filename(
                'photini', 'data/icons/128/photini.png'))
        dialog = QtWidgets.QMessageBox(self)
        dialog.setWindowTitle(self.tr('Photini: about'))
        dialog.setText(text)
        licence = pkg_resources.resource_string('photini', 'data/LICENSE.txt')
        dialog.setDetailedText(licence.decode('utf-8'))
        dialog.exec_()

    @QtCore.pyqtSlot(int, int)
    @catch_all
    def new_split(self, pos, index):
        self.app.config_store.set(
            'main_window', 'split', str(self.central_widget.sizes()))

    @QtCore.pyqtSlot(int)
    @catch_all
    def new_tab(self, index):
        current = self.tabs.currentWidget()
        if current:
            self.image_list.set_drag_to_map(None)
            current.refresh()
            self.image_list.emit_selection()

    @QtCore.pyqtSlot(list)
    @catch_all
    def new_selection(self, selection):
        self.close_action.setEnabled(len(selection) > 0)
        if self.import_gpx_action:
            self.import_gpx_action.setEnabled(len(selection) > 0)
        self.tabs.currentWidget().new_selection(selection)

    @QtCore.pyqtSlot(bool)
    @catch_all
    def new_metadata(self, unsaved_data):
        self.save_action.setEnabled(unsaved_data)

    @catch_all
    def resizeEvent(self, event):
        size = self.width(), self.height()
        self.app.config_store.set('main_window', 'size', str(size))
示例#3
0
class MainWindow(QtWidgets.QMainWindow):
    def __init__(self, options, initial_files):
        super(MainWindow, self).__init__()
        self.setWindowTitle(self.tr("Photini photo metadata editor"))
        pixmap = QtGui.QPixmap()
        pixmap.loadFromData(pkg_resources.resource_string(
            'photini', 'data/icons/48/photini.png'))
        icon = QtGui.QIcon(pixmap)
        self.setWindowIcon(icon)
        self.selection = list()
        # logger window
        self.loggerwindow = LoggerWindow(options.verbose)
        self.loggerwindow.setWindowIcon(icon)
        self.logger = logging.getLogger(self.__class__.__name__)
        # set network proxy
        proxies = getproxies()
        if 'http' in proxies:
            parsed = urlparse(proxies['http'])
            QNetworkProxy.setApplicationProxy(QNetworkProxy(
                QNetworkProxy.HttpProxy, parsed.hostname, parsed.port))
        # create shared global objects
        self.app = QtWidgets.QApplication.instance()
        self.app.config_store = ConfigStore('editor', parent=self)
        self.app.spell_check = SpellCheck(parent=self)
        self.app.test_mode = options.test
        # restore size
        size = self.width(), self.height()
        self.resize(*eval(
            self.app.config_store.get('main_window', 'size', str(size))))
        # image selector
        self.image_list = ImageList()
        self.image_list.selection_changed.connect(self.new_selection)
        self.image_list.new_metadata.connect(self.new_metadata)
        # prepare list of tabs and associated stuff
        self.tab_list = (
            {'name'  : self.tr('&Descriptive metadata'),
             'key'   : 'descriptive_metadata',
             'class' : Descriptive},
            {'name'  : self.tr('&Technical metadata'),
             'key'   : 'technical_metadata',
             'class' : Technical},
            {'name'  : self.tr('Map (&Google)'),
             'key'   : 'map_google',
             'class' : GoogleMap},
            {'name'  : self.tr('Map (&Bing)'),
             'key'   : 'map_bing',
             'class' : BingMap},
            {'name'  : self.tr('Map (&OSM)'),
             'key'   : 'map_osm',
             'class' : OpenStreetMap},
            {'name'  : self.tr('&Flickr upload'),
             'key'   : 'flickr_upload',
             'class' : FlickrUploader},
            {'name'  : self.tr('Google &Photos upload'),
             'key'   : 'picasa_upload',
             'class' : PicasaUploader},
            {'name'  : self.tr('Faceboo&k upload'),
             'key'   : 'facebook_upload',
             'class' : FacebookUploader},
            {'name'  : self.tr('&Import photos'),
             'key'   : 'import_photos',
             'class' : Importer},
            )
        for tab in self.tab_list:
            if tab['class']:
                tab['object'] = tab['class'](self.image_list)
            else:
                tab['object'] = None
        # file menu
        file_menu = self.menuBar().addMenu(self.tr('File'))
        open_action = QtWidgets.QAction(self.tr('Open images'), self)
        open_action.setShortcuts(QtGui.QKeySequence.Open)
        open_action.triggered.connect(self.image_list.open_files)
        file_menu.addAction(open_action)
        self.save_action = QtWidgets.QAction(
            self.tr('Save images with new data'), self)
        self.save_action.setShortcuts(QtGui.QKeySequence.Save)
        self.save_action.setEnabled(False)
        self.save_action.triggered.connect(self.image_list.save_files)
        file_menu.addAction(self.save_action)
        self.close_action = QtWidgets.QAction(
            self.tr('Close selected images'), self)
        self.close_action.setEnabled(False)
        self.close_action.triggered.connect(self.close_files)
        file_menu.addAction(self.close_action)
        close_all_action = QtWidgets.QAction(self.tr('Close all images'), self)
        close_all_action.triggered.connect(self.close_all_files)
        file_menu.addAction(close_all_action)
        file_menu.addSeparator()
        quit_action = QtWidgets.QAction(self.tr('Quit'), self)
        quit_action.setShortcuts(
            [QtGui.QKeySequence.Quit, QtGui.QKeySequence.Close])
        quit_action.triggered.connect(
            QtWidgets.QApplication.instance().closeAllWindows)
        file_menu.addAction(quit_action)
        # options menu
        options_menu = self.menuBar().addMenu(self.tr('Options'))
        settings_action = QtWidgets.QAction(self.tr('Settings'), self)
        settings_action.triggered.connect(self.edit_settings)
        options_menu.addAction(settings_action)
        options_menu.addSeparator()
        for tab in self.tab_list:
            name = tab['name'].replace('&', '')
            tab['action'] = QtWidgets.QAction(name, self)
            tab['action'].setCheckable(True)
            if tab['class']:
                tab['action'].setChecked(
                    eval(self.app.config_store.get('tabs', tab['key'], 'True')))
            else:
                tab['action'].setEnabled(False)
            tab['action'].triggered.connect(self.add_tabs)
            options_menu.addAction(tab['action'])
        # spelling menu
        languages = self.app.spell_check.available_languages()
        spelling_menu = self.menuBar().addMenu(self.tr('Spelling'))
        enable_action = QtWidgets.QAction(self.tr('Enable spell check'), self)
        enable_action.setEnabled(bool(languages))
        enable_action.setCheckable(True)
        enable_action.setChecked(self.app.spell_check.enabled)
        enable_action.toggled.connect(self.app.spell_check.enable)
        spelling_menu.addAction(enable_action)
        language_menu = QtWidgets.QMenu(self.tr('Choose language'), self)
        language_menu.setEnabled(bool(languages))
        language_group = QtWidgets.QActionGroup(self)
        current_language = self.app.spell_check.current_language()
        for tag in languages:
            language_action = QtWidgets.QAction(tag, self)
            language_action.setCheckable(True)
            language_action.setChecked(tag == current_language)
            language_action.setActionGroup(language_group)
            language_menu.addAction(language_action)
        language_group.triggered.connect(self.app.spell_check.set_language)
        spelling_menu.addMenu(language_menu)
        # help menu
        help_menu = self.menuBar().addMenu(self.tr('Help'))
        about_action = QtWidgets.QAction(self.tr('About Photini'), self)
        about_action.triggered.connect(self.about)
        help_menu.addAction(about_action)
        help_menu.addSeparator()
        help_action = QtWidgets.QAction(self.tr('Photini documentation'), self)
        help_action.triggered.connect(self.open_docs)
        help_menu.addAction(help_action)
        # main application area
        self.central_widget = QtWidgets.QSplitter()
        self.central_widget.setOrientation(Qt.Vertical)
        self.central_widget.setChildrenCollapsible(False)
        self.tabs = QtWidgets.QTabWidget()
        self.tabs.setTabBar(QTabBar())
        self.tabs.setElideMode(Qt.ElideRight)
        self.tabs.currentChanged.connect(self.new_tab)
        self.add_tabs()
        self.central_widget.addWidget(self.tabs)
        self.central_widget.addWidget(self.image_list)
        size = self.central_widget.sizes()
        self.central_widget.setSizes(eval(
            self.app.config_store.get('main_window', 'split', str(size))))
        self.central_widget.splitterMoved.connect(self.new_split)
        self.setCentralWidget(self.central_widget)
        # open files given on command line, after GUI is displayed
        self.initial_files = initial_files
        if self.initial_files:
            QtCore.QTimer.singleShot(0, self.open_initial_files)

    @QtCore.pyqtSlot()
    def open_initial_files(self):
        self.image_list.open_file_list(self.initial_files)

    @QtCore.pyqtSlot()
    def add_tabs(self):
        was_blocked = self.tabs.blockSignals(True)
        current = self.tabs.currentWidget()
        self.tabs.clear()
        for tab in self.tab_list:
            use_tab = tab['action'].isChecked()
            self.app.config_store.set('tabs', tab['key'], str(use_tab))
            if tab['object'] and use_tab:
                self.tabs.addTab(tab['object'], tab['name'])
        self.tabs.blockSignals(was_blocked)
        if current:
            self.tabs.setCurrentWidget(current)
        self.new_tab(-1)

    @QtCore.pyqtSlot()
    def open_docs(self):
        webbrowser.open_new('http://photini.readthedocs.io/')

    @QtCore.pyqtSlot()
    def close_files(self):
        self._close_files(False)

    @QtCore.pyqtSlot()
    def close_all_files(self):
        self._close_files(True)

    def _close_files(self, all_files):
        if self.image_list.unsaved_files_dialog(all_files=all_files):
            self.image_list.close_files(all_files)

    def closeEvent(self, event):
        for n in range(self.tabs.count()):
            if self.tabs.widget(n).do_not_close():
                event.ignore()
                return
        self.image_list.unsaved_files_dialog(all_files=True, with_cancel=False)
        super(MainWindow, self).closeEvent(event)

    @QtCore.pyqtSlot()
    def edit_settings(self):
        dialog = EditSettings(self)
        dialog.exec_()
        self.tabs.currentWidget().refresh()

    @QtCore.pyqtSlot()
    def about(self):
        text = self.tr("""
<table width="100%"><tr>
<td align="center" width="70%">
<h1>Photini</h1>
<h3>version {0}</h3>
<h4>build {1}</h4>
</td>
<td align="center"><img src="{2}" /></td>
</tr></table>
<p>&copy; Jim Easterbrook <a href="mailto:[email protected]">
[email protected]</a><br /><br />
An easy to use digital photograph metadata editor.<br />
Open source package available from
<a href="https://github.com/jim-easterbrook/Photini">
github.com/jim-easterbrook/Photini</a>.</p>
<p>This program is released with a GNU General Public License. For
details click the 'show details' button.</p>
""").format(__version__, build,
            pkg_resources.resource_filename(
                'photini', 'data/icons/128/photini.png'))
        dialog = QtWidgets.QMessageBox(self)
        dialog.setWindowTitle(self.tr('Photini: about'))
        dialog.setText(text)
        licence = pkg_resources.resource_string('photini', 'data/LICENSE.txt')
        dialog.setDetailedText(licence.decode('utf-8'))
        dialog.exec_()

    @QtCore.pyqtSlot(int, int)
    def new_split(self, pos, index):
        self.app.config_store.set(
            'main_window', 'split', str(self.central_widget.sizes()))

    @QtCore.pyqtSlot(int)
    def new_tab(self, index):
        current = self.tabs.currentWidget()
        if current:
            self.image_list.set_drag_to_map(None)
            current.refresh()
            self.image_list.emit_selection()

    @QtCore.pyqtSlot(list)
    def new_selection(self, selection):
        self.close_action.setEnabled(len(selection) > 0)
        self.tabs.currentWidget().new_selection(selection)

    @QtCore.pyqtSlot(bool)
    def new_metadata(self, unsaved_data):
        self.save_action.setEnabled(unsaved_data)

    def resizeEvent(self, event):
        size = self.width(), self.height()
        self.app.config_store.set('main_window', 'size', str(size))