Python QComboBox.setMinimumWidth方法代码示例

# 需要导入模块: from AnyQt.QtWidgets import QComboBox [as 别名]
# 或者: from AnyQt.QtWidgets.QComboBox import setMinimumWidth [as 别名]
class OWPubmed(OWWidget):
    name = 'Pubmed'
    description = 'Fetch data from Pubmed.'
    icon = 'icons/Pubmed.svg'
    priority = 20

    outputs = [(Output.CORPUS, Corpus)]
    want_main_area = False
    resizing_enabled = False

    QT_DATE_FORMAT = 'yyyy-MM-dd'
    PY_DATE_FORMAT = '%Y-%m-%d'
    MIN_DATE = date(1800, 1, 1)

    # Settings.
    recent_emails = Setting([])
    author = Setting('')
    pub_date_from = Setting('')
    pub_date_to = Setting('')
    recent_keywords = Setting([])
    last_advanced_query = Setting('')
    num_records = Setting(1000)

    # Text includes checkboxes.
    includes_authors = Setting(True)
    includes_title = Setting(True)
    includes_mesh = Setting(True)
    includes_abstract = Setting(True)
    includes_url = Setting(True)

    class Warning(OWWidget.Warning):
        no_query = Msg('Please specify the keywords for this query.')

    class Error(OWWidget.Error):
        api_error = Msg('API error: {}.')

    def __init__(self):
        super().__init__()

        self.output_corpus = None
        self.pubmed_api = None
        self.progress = None
        self.email_is_valid = False
        self.record_count = 0
        self.download_running = False

        # To hold all the controls. Makes access easier.
        self.pubmed_controls = []

        h_box = gui.hBox(self.controlArea)
        label = gui.label(h_box, self, 'Email:')
        label.setMaximumSize(label.sizeHint())
        # Drop-down for recent emails.
        self.email_combo = QComboBox(h_box)
        self.email_combo.setMinimumWidth(150)
        self.email_combo.setEditable(True)
        self.email_combo.lineEdit().textChanged.connect(self.sync_email)
        h_box.layout().addWidget(self.email_combo)
        self.email_combo.activated[int].connect(self.select_email)

        # RECORD SEARCH
        self.search_tabs = gui.tabWidget(self.controlArea)
        # --- Regular search ---
        regular_search_box = gui.widgetBox(self.controlArea, addSpace=True)

        # Author
        self.author_input = gui.lineEdit(regular_search_box, self, 'author',
                                         'Author:', orientation=Qt.Horizontal)
        self.pubmed_controls.append(self.author_input)

        h_box = gui.hBox(regular_search_box)
        year_box = gui.widgetBox(h_box, orientation=Qt.Horizontal)
        min_date = QDate.fromString(
                self.MIN_DATE.strftime(self.PY_DATE_FORMAT),
                self.QT_DATE_FORMAT
        )

        if not self.pub_date_from:
            self.pub_date_from = self.MIN_DATE.strftime(self.PY_DATE_FORMAT)
        if not self.pub_date_to:
            self.pub_date_to = date.today().strftime(self.PY_DATE_FORMAT)

        self.date_from = QDateEdit(
                QDate.fromString(self.pub_date_from, self.QT_DATE_FORMAT),
                displayFormat=self.QT_DATE_FORMAT,
                minimumDate=min_date,
                calendarPopup=True
        )
        self.date_to = QDateEdit(
                QDate.fromString(self.pub_date_to, self.QT_DATE_FORMAT),
                displayFormat=self.QT_DATE_FORMAT,
                minimumDate=min_date,
                calendarPopup=True
        )

        self.date_from.dateChanged.connect(
            lambda date: setattr(self, 'pub_date_from',
                                 date.toString(self.QT_DATE_FORMAT)))
        self.date_to.dateChanged.connect(
            lambda date: setattr(self, 'pub_date_to',
#.........这里部分代码省略.........

# 需要导入模块: from AnyQt.QtWidgets import QComboBox [as 别名]
# 或者: from AnyQt.QtWidgets.QComboBox import setMinimumWidth [as 别名]
class FileWidget(QWidget):
    on_open = pyqtSignal(str)

    def __init__(self, dialog_title='', dialog_format='',
                 start_dir=os.path.expanduser('~/'),
                 icon_size=(12, 20), minimal_width=200,
                 browse_label='Browse', on_open=None,
                 reload_button=True, reload_label='Reload',
                 recent_files=None, directory_aliases=None,
                 allow_empty=True, empty_file_label='(none)'):
        """ Creates a widget with a button for file loading and
        an optional combo box for recent files and reload buttons.

        Args:
            dialog_title (str): The title of the dialog.
            dialog_format (str): Formats for the dialog.
            start_dir (str): A directory to start from.
            icon_size (int, int): The size of buttons' icons.
            on_open (callable): A callback function that accepts filepath as the only argument.
            reload_button (bool): Whether to show reload button.
            reload_label (str): The text displayed on the reload button.
            recent_files (List[str]): List of recent files.
            directory_aliases (dict): An {alias: dir} dictionary for fast directories' access.
            allow_empty (bool): Whether empty path is allowed.
        """
        super().__init__()
        self.dialog_title = dialog_title
        self.dialog_format = dialog_format
        self.start_dir = start_dir

        self.recent_files = recent_files
        self.directory_aliases = directory_aliases or {}
        self.check_existence()

        self.on_open.connect(on_open)
        self.allow_empty = allow_empty
        self.empty_file_label = empty_file_label

        layout = QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)

        if recent_files is not None:
            self.file_combo = QComboBox()
            self.file_combo.setMinimumWidth(minimal_width)
            self.file_combo.activated[int].connect(self.select)
            self.update_combo()
            layout.addWidget(self.file_combo)

        self.browse_button = QPushButton(browse_label)
        self.browse_button.setFocusPolicy(Qt.NoFocus)
        self.browse_button.clicked.connect(self.browse)
        self.browse_button.setIcon(self.style()
                                   .standardIcon(QStyle.SP_DirOpenIcon))
        self.browse_button.setIconSize(QSize(*icon_size))
        self.browse_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        layout.addWidget(self.browse_button)

        if reload_button:
            self.reload_button = QPushButton(reload_label)
            self.reload_button.setFocusPolicy(Qt.NoFocus)
            self.reload_button.clicked.connect(self.reload)
            self.reload_button.setIcon(self.style()
                                       .standardIcon(QStyle.SP_BrowserReload))
            self.reload_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
            self.reload_button.setIconSize(QSize(*icon_size))
            layout.addWidget(self.reload_button)

    def browse(self, start_dir=None):
        start_dir = start_dir or self.start_dir
        path, _ = QFileDialog().getOpenFileName(self, self.dialog_title,
                                                start_dir, self.dialog_format)

        if path and self.recent_files is not None:
            if path in self.recent_files:
                self.recent_files.remove(path)
            self.recent_files.insert(0, path)
            self.update_combo()

        self.open_file(path)

    def select(self, n):
        name = self.file_combo.currentText()
        if n < len(self.recent_files):
            name = self.recent_files[n]
            del self.recent_files[n]
            self.recent_files.insert(0, name)
            self.open_file(self.recent_files[0])
            self.update_combo()
        elif name == self.empty_file_label:
            self.open_file(self.empty_file_label)
        elif name in self.directory_aliases:
            self.browse(self.directory_aliases[name])

    def update_combo(self):
        if self.recent_files is not None:
            self.file_combo.clear()
            for file in self.recent_files:
                self.file_combo.addItem(os.path.split(file)[1])

            if self.allow_empty or not self.recent_files:
#.........这里部分代码省略.........

# 需要导入模块: from AnyQt.QtWidgets import QComboBox [as 别名]
# 或者: from AnyQt.QtWidgets.QComboBox import setMinimumWidth [as 别名]
class FileWidget(QWidget):
    on_open = pyqtSignal(str)

    # TODO consider removing directory_aliases since it is not used any more
    def __init__(self, dialog_title='', dialog_format='',
                 start_dir=os.path.expanduser('~/'),
                 icon_size=(12, 20), minimal_width=200,
                 browse_label='Browse', on_open=None,
                 reload_button=True, reload_label='Reload',
                 recent_files=None, directory_aliases=None,
                 allow_empty=True, empty_file_label='(none)'):
        """ Creates a widget with a button for file loading and
        an optional combo box for recent files and reload buttons.

        Args:
            dialog_title (str): The title of the dialog.
            dialog_format (str): Formats for the dialog.
            start_dir (str): A directory to start from.
            icon_size (int, int): The size of buttons' icons.
            on_open (callable): A callback function that accepts filepath as the only argument.
            reload_button (bool): Whether to show reload button.
            reload_label (str): The text displayed on the reload button.
            recent_files (List[str]): List of recent files.
            directory_aliases (dict): An {alias: dir} dictionary for fast directories' access.
            allow_empty (bool): Whether empty path is allowed.
        """
        super().__init__()
        self.dialog_title = dialog_title
        self.dialog_format = dialog_format
        self.start_dir = start_dir

        # Recent files should also contain `empty_file_label` so
        # when (none) is selected this is stored in settings.
        self.recent_files = recent_files if recent_files is not None else []
        self.directory_aliases = directory_aliases or {}
        self.allow_empty = allow_empty
        self.empty_file_label = empty_file_label
        if self.empty_file_label not in self.recent_files \
                and (self.allow_empty or not self.recent_files):
            self.recent_files.append(self.empty_file_label)

        self.check_existence()
        self.on_open.connect(on_open)

        layout = QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)

        if recent_files is not None:
            self.file_combo = QComboBox()
            self.file_combo.setMinimumWidth(minimal_width)
            self.file_combo.activated[int].connect(self.select)
            self.update_combo()
            layout.addWidget(self.file_combo)

        self.browse_button = QPushButton(browse_label)
        self.browse_button.setFocusPolicy(Qt.NoFocus)
        self.browse_button.clicked.connect(self.browse)
        self.browse_button.setIcon(self.style()
                                   .standardIcon(QStyle.SP_DirOpenIcon))
        self.browse_button.setIconSize(QSize(*icon_size))
        self.browse_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        layout.addWidget(self.browse_button)

        if reload_button:
            self.reload_button = QPushButton(reload_label)
            self.reload_button.setFocusPolicy(Qt.NoFocus)
            self.reload_button.clicked.connect(self.reload)
            self.reload_button.setIcon(self.style()
                                       .standardIcon(QStyle.SP_BrowserReload))
            self.reload_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
            self.reload_button.setIconSize(QSize(*icon_size))
            layout.addWidget(self.reload_button)

    def browse(self, start_dir=None):
        start_dir = start_dir or self.start_dir
        path, _ = QFileDialog().getOpenFileName(self, self.dialog_title,
                                                start_dir, self.dialog_format)

        if path and self.recent_files is not None:
            if path in self.recent_files:
                self.recent_files.remove(path)
            self.recent_files.insert(0, path)
            self.update_combo()

        if path:
            self.open_file(path)

    def select(self, n):
        name = self.file_combo.currentText()
        if name == self.empty_file_label:
            del self.recent_files[n]
            self.recent_files.insert(0, self.empty_file_label)
            self.update_combo()
            self.open_file(self.empty_file_label)
        elif name in self.directory_aliases:
            self.browse(self.directory_aliases[name])
        elif n < len(self.recent_files):
            name = self.recent_files[n]
            del self.recent_files[n]
            self.recent_files.insert(0, name)
#.........这里部分代码省略.........