Python QtWidgets.QGridLayout类代码示例

 def __init__(self, value, parent=None):
     QGridLayout.__init__(self)
     font = tuple_to_qfont(value)
     assert font is not None
     
     # Font family
     self.family = QFontComboBox(parent)
     self.family.setCurrentFont(font)
     self.addWidget(self.family, 0, 0, 1, -1)
     
     # Font size
     self.size = QComboBox(parent)
     self.size.setEditable(True)
     sizelist = list(range(6, 12)) + list(range(12, 30, 2)) + [36, 48, 72]
     size = font.pointSize()
     if size not in sizelist:
         sizelist.append(size)
         sizelist.sort()
     self.size.addItems([str(s) for s in sizelist])
     self.size.setCurrentIndex(sizelist.index(size))
     self.addWidget(self.size, 1, 0)
     
     # Italic or not
     self.italic = QCheckBox(_("Italic"), parent)
     self.italic.setChecked(font.italic())
     self.addWidget(self.italic, 1, 1)
     
     # Bold or not
     self.bold = QCheckBox(_("Bold"), parent)
     self.bold.setChecked(font.bold())
     self.addWidget(self.bold, 1, 2)

    def __init__(self, parent):
        SpyderPluginWidget.__init__(self, parent)

        # Widgets
        self.stack = QStackedWidget(self)
        self.shellwidgets = {}

        # Layout
        layout = QGridLayout(self)
        layout.addWidget(self.stack)

        # Initialize plugin
        self.initialize_plugin()

    def __init__(self):
        # how connect
        super(buttonwidget, self).__init__()
        self.grid = QGridLayout()
        self.btnConnect = QPushButton("Connect")
        self.grid.addWidget(self.btnConnect, 0, 0, 1, 5)

        self.btnLock = QPushButton("Lock Cassette")
        self.grid.addWidget(self.btnLock, 1, 0, 1, 5)

        self.btnPurge = QPushButton("Purge")
        self.grid.addWidget(self.btnPurge, 2, 0, 1, 2)

        self.cbxPurgeType = QComboBox()
        self.cbxPurgeType.addItems(["Normal", "Extended", "Add Conditioner", "Custom"])
        self.grid.addWidget(self.cbxPurgeType, 2, 2, 1, 2)

        self.txtNumPurge = QLineEdit()
        self.grid.addWidget(self.txtNumPurge, 2, 4, 1, 1)

        self.btnRecover = QPushButton("Recover")
        self.grid.addWidget(self.btnRecover, 3, 0, 1, 5)

        self.btnHelp = QPushButton("Help")
        self.grid.addWidget(self.btnHelp, 4, 0, 1, 5)

        self.setLayout(self.grid)

    def __init__(self, name, a, b, callback):
        QWidget.__init__(self)
        self.name = name
        self.callback = callback
        self.a = a
        self.b = b
        self.manually_triggered = False

        self.slider = QSlider()
        self.slider.setRange(0, 1000)
        self.slider.setValue(500)
        self.slider.valueChanged.connect(self.slider_changed)

        self.name_label = QLabel()
        self.name_label.setText(self.name)
        self.name_label.setAlignment(QtCore.Qt.AlignCenter)

        self.value_label = QLabel()
        self.value_label.setText('%2.2f' % (self.slider.value() * self.a
                                             + self.b))
        self.value_label.setAlignment(QtCore.Qt.AlignCenter)

        self.layout = QGridLayout(self)
        self.layout.addWidget(self.name_label, 0, 0)
        self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
        self.layout.addWidget(self.value_label, 2, 0)

    def __init__(self, parent, name, script="", filemodified=0):
        QWidget.__init__(self)
        self.parent = parent
        self.tabWidget = self.parent.ui.tabWidget
        self.gridlayout = QGridLayout(self)
        self._dirty = False

        self.initialize_editor()
        self.gridlayout.addWidget(self.editor)

        self.setAcceptDrops(True)

        self.filename = name
        self.filemodified = filemodified
        if self.is_file():
            self.title = os.path.basename(name)
            # if self.equals_saved():
            #    self.filemodified = os.path.getmtime(self.filename)
        else:
            self.filename = ""
            self.title = name

        # Show this file in the self.editor
        self.editor.setText(script)
        self.clean_txt = self.saved()

        self.update_dirty()

        self.editor.keyPressEvent = self.key_press_event

    def setup_and_check(self, data, title=''):
        """
        Setup DataFrameEditor:
        return False if data is not supported, True otherwise
        """
        self.layout = QGridLayout()
        self.setLayout(self.layout)
        self.setWindowIcon(ima.icon('arredit'))
        if title:
            title = to_text_string(title) + " - %s" % data.__class__.__name__
        else:
            title = _("%s editor") % data.__class__.__name__
        if isinstance(data, Series):
            self.is_series = True
            data = data.to_frame()

        self.setWindowTitle(title)
        self.resize(600, 500)

        self.dataModel = DataFrameModel(data, parent=self)
        self.dataTable = DataFrameView(self, self.dataModel)

        self.layout.addWidget(self.dataTable)
        self.setLayout(self.layout)
        self.setMinimumSize(400, 300)
        # Make the dialog act as a window
        self.setWindowFlags(Qt.Window)
        btn_layout = QHBoxLayout()

        btn = QPushButton(_("Format"))
        # disable format button for int type
        btn_layout.addWidget(btn)
        btn.clicked.connect(self.change_format)
        btn = QPushButton(_('Resize'))
        btn_layout.addWidget(btn)
        btn.clicked.connect(self.resize_to_contents)

        bgcolor = QCheckBox(_('Background color'))
        bgcolor.setChecked(self.dataModel.bgcolor_enabled)
        bgcolor.setEnabled(self.dataModel.bgcolor_enabled)
        bgcolor.stateChanged.connect(self.change_bgcolor_enable)
        btn_layout.addWidget(bgcolor)

        self.bgcolor_global = QCheckBox(_('Column min/max'))
        self.bgcolor_global.setChecked(self.dataModel.colum_avg_enabled)
        self.bgcolor_global.setEnabled(not self.is_series and
                                       self.dataModel.bgcolor_enabled)
        self.bgcolor_global.stateChanged.connect(self.dataModel.colum_avg)
        btn_layout.addWidget(self.bgcolor_global)

        btn_layout.addStretch()
        bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        btn_layout.addWidget(bbox)

        self.layout.addLayout(btn_layout, 2, 0)

        return True

    def create_file_combobox(self, text, choices, option, default=NoDefault,
                             tip=None, restart=False, filters=None,
                             adjust_to_contents=False,
                             default_line_edit=False):
        """choices: couples (name, key)"""
        combobox = FileComboBox(self, adjust_to_contents=adjust_to_contents,
                                default_line_edit=default_line_edit)
        combobox.restart_required = restart
        combobox.label_text = text
        edit = combobox.lineEdit()
        edit.label_text = text
        edit.restart_required = restart
        self.lineedits[edit] = (option, default)

        if tip is not None:
            combobox.setToolTip(tip)
        combobox.addItems(choices)

        msg = _('Invalid file path')
        self.validate_data[edit] = (osp.isfile, msg)
        browse_btn = QPushButton(ima.icon('FileIcon'), '', self)
        browse_btn.setToolTip(_("Select file"))
        browse_btn.clicked.connect(lambda: self.select_file(edit, filters))

        layout = QGridLayout()
        layout.addWidget(combobox, 0, 0, 0, 9)
        layout.addWidget(browse_btn, 0, 10)
        layout.setContentsMargins(0, 0, 0, 0)
        widget = QWidget(self)
        widget.combobox = combobox
        widget.browse_btn = browse_btn
        widget.setLayout(layout)

        return widget

    def _ask_overwrite(self):
        msg = QDialog()
        msg.setWindowTitle('Load overwrite')
        layout = QGridLayout()
        layout.addWidget(QLabel('Instrument %s already exists in memory. Overwrite this?'), 0, 0, 1, -1)
        buttons = [QPushButton(label) for label in ['Load and overwrite', 'Cancel Load', 'Load and rename to']]
        locations = [[1, 0], [1, 1], [2, 0]]
        self.overwrite_flag = 1

        def overwriteCB(idx):
            self.overwrite_flag = idx
            msg.accept()
        for idx, button in enumerate(buttons):
            button.clicked.connect(lambda _, idx=idx: overwriteCB(idx))
            layout.addWidget(button, locations[idx][0], locations[idx][1])
        newname = QLineEdit()
        newname.editingFinished.connect(lambda: overwriteCB(2))
        layout.addWidget(newname, 2, 1)
        msg.setLayout(layout)
        msg.exec_()
        newname = str(newname.text())
        if not newname or newname in self.instruments:
            self.errormessage('Invalid instrument name. Cancelling load.')
            self.overwrite_flag = 1
        return self.overwrite_flag, newname

class ImageWindow(QMainWindow):
    def __init__(self, arr, mgr):
        QMainWindow.__init__(self)
        self.setWindowTitle('skimage')
        self.mgr = mgr
        self.main_widget = QWidget()
        self.layout = QGridLayout(self.main_widget)
        self.setCentralWidget(self.main_widget)

        self.label = ImageLabel(self, arr)
        self.layout.addWidget(self.label, 0, 0)
        self.layout.addLayout
        self.mgr.add_window(self)
        self.main_widget.show()

    def closeEvent(self, event):
        # Allow window to be destroyed by removing any
        # references to it
        self.mgr.remove_window(self)

    def _build_GUI(self, linelist, table_view):
        panel_layout = QGridLayout()
        panel_layout.setSizeConstraint(QLayout.SetMaximumSize)
        self.setLayout(panel_layout)

        # GUI cannot be completely defined in a .ui file.
        # It has to be built on-the-fly here.
        self.button_pane = QWidget()
        loadUi(os.path.join(os.path.dirname(__file__), "ui", "linelists_panel_buttons.ui"), self.button_pane)

        # internal signals do not use Hub infrastructure.
        self.button_pane.create_set_button.clicked.connect(self._create_set)
        self.button_pane.deselect_button.clicked.connect(table_view.clearSelection)

        # header with line list metadata.
        info = QTextBrowser()
        info.setMaximumHeight(100)
        info.setAutoFillBackground(True)
        info.setStyleSheet("background-color: rgb(230,230,230);")
        for comment in linelist.meta['comments']:
            info.append(comment)

        # populate color picker
        model = self.button_pane.combo_box_color.model()
        for cname in ID_COLORS:
            item = QStandardItem(cname)
            item.setForeground(ID_COLORS[cname])
            item.setData(QColor(ID_COLORS[cname]), role=Qt.UserRole)
            model.appendRow(item)

        # set validators
        validator = QDoubleValidator()
        validator.setRange(0.05, 0.95, decimals=2)
        self.button_pane.height_textbox.setValidator(validator)
        validator = QDoubleValidator()
        validator.setRange(-1.e5, 1.e10, decimals=4)
        self.button_pane.redshift_textbox.setValidator(validator)

        model = self.button_pane.combo_box_z_units.model()
        for uname in ['z', 'km/s']:
            item = QStandardItem(uname)
            model.appendRow(item)

        # put it all together
        panel_layout.addWidget(info,0,0)
        panel_layout.addWidget(table_view,1,0)
        panel_layout.addWidget(self.button_pane,2,0)

    def __init__(self, settings, parent=None):
        super().__init__(parent)
        self.settings = settings
        self.serialports = []

        # port
        self.portLabel = QLabel(self.tr("COM Port:"))
        self.portComboBox = QComboBox()
        self.portLabel.setBuddy(self.portComboBox)
        self.refresh_comports(self.portComboBox)

        # baudrate
        self.baudrateLabel = QLabel(self.tr("Baudrate:"))
        self.baudrateComboBox = QComboBox()
        self.baudrateLabel.setBuddy(self.baudrateComboBox)
        for br in BAUDRATES:
            self.baudrateComboBox.addItem(str(br), br)

        # buttons
        self.dlgbuttons = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal)
        self.dlgbuttons.rejected.connect(self.reject)
        self.dlgbuttons.accepted.connect(self.accept)

        # layout
        layout = QGridLayout()
        layout.addWidget(self.portLabel, 0, 0)
        layout.addWidget(self.portComboBox, 0, 1)
        layout.addWidget(self.baudrateLabel, 1, 0)
        layout.addWidget(self.baudrateComboBox, 1, 1)
        layout.addWidget(self.dlgbuttons, 2, 0, 1, 2)
        self.setLayout(layout)
        self.setWindowTitle(self.tr("Serial Settings"))

        # settings
        defaults = {
            PORT_SETTING: "",
            BAUDRATE_SETTING: "115200"
        }
        self.tmp_settings = ConfigManager()
        self.tmp_settings.set_defaults(defaults)
        self.tmp_settings.set_many(
            {key: self.settings.get(key) for key in defaults.keys()}
        )
        self.tmp_settings.add_handler(PORT_SETTING, self.portComboBox)
        self.tmp_settings.add_handler(BAUDRATE_SETTING, self.baudrateComboBox)

    def __init__(self, arr, mgr):
        QMainWindow.__init__(self)
        self.setWindowTitle('skimage')
        self.mgr = mgr
        self.main_widget = QWidget()
        self.layout = QGridLayout(self.main_widget)
        self.setCentralWidget(self.main_widget)

        self.label = ImageLabel(self, arr)
        self.layout.addWidget(self.label, 0, 0)
        self.layout.addLayout
        self.mgr.add_window(self)
        self.main_widget.show()

class IntelligentSlider(QWidget):
    ''' A slider that adds a 'name' attribute and calls a callback
    with 'name' as an argument to the registerd callback.

    This allows you to create large groups of sliders in a loop,
    but still keep track of the individual events

    It also prints a label below the slider.

    The range of the slider is hardcoded from zero - 1000,
    but it supports a conversion factor so you can scale the results'''

    def __init__(self, name, a, b, callback):
        QWidget.__init__(self)
        self.name = name
        self.callback = callback
        self.a = a
        self.b = b
        self.manually_triggered = False

        self.slider = QSlider()
        self.slider.setRange(0, 1000)
        self.slider.setValue(500)
        self.slider.valueChanged.connect(self.slider_changed)

        self.name_label = QLabel()
        self.name_label.setText(self.name)
        self.name_label.setAlignment(QtCore.Qt.AlignCenter)

        self.value_label = QLabel()
        self.value_label.setText('%2.2f' % (self.slider.value() * self.a
                                             + self.b))
        self.value_label.setAlignment(QtCore.Qt.AlignCenter)

        self.layout = QGridLayout(self)
        self.layout.addWidget(self.name_label, 0, 0)
        self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
        self.layout.addWidget(self.value_label, 2, 0)

    # bind this to the valueChanged signal of the slider
    def slider_changed(self, val):
        val = self.val()
        self.value_label.setText(str(val)[:4])

        if not self.manually_triggered:
            self.callback(self.name, val)

    def set_conv_fac(self, a, b):
        self.a = a
        self.b = b

    def set_value(self, val):
        self.manually_triggered = True
        self.slider.setValue(int((val - self.b) / self.a))
        self.value_label.setText('%2.2f' % val)
        self.manually_triggered = False

    def val(self):
        return self.slider.value() * self.a + self.b

    def __init__(self, arr, mgr):
        QMainWindow.__init__(self)

        self.arr = arr

        self.mgr = mgr
        self.main_widget = QWidget()
        self.layout = QGridLayout(self.main_widget)
        self.setCentralWidget(self.main_widget)

        self.label = ImageLabel(self, arr)
        self.label_container = QFrame()
        self.label_container.setFrameShape(QFrame.StyledPanel | QFrame.Sunken)
        self.label_container.setLineWidth(1)

        self.label_container.layout = QGridLayout(self.label_container)
        self.label_container.layout.setContentsMargins(0, 0, 0, 0)
        self.label_container.layout.addWidget(self.label, 0, 0)
        self.layout.addWidget(self.label_container, 0, 0)

        self.mgr.add_window(self)
        self.main_widget.show()

        self.setWindowTitle('Skivi - The skimage viewer.')

        self.mixer_panel = MixerPanel(self.arr)
        self.layout.addWidget(self.mixer_panel, 0, 2)
        self.mixer_panel.show()
        self.mixer_panel.set_callback(self.refresh_image)

        self.rgbv_hist = QuadHistogram(self.arr)
        self.layout.addWidget(self.rgbv_hist, 0, 1)
        self.rgbv_hist.show()

        self.rgb_hsv_disp = RGBHSVDisplay()
        self.layout.addWidget(self.rgb_hsv_disp, 1, 0)
        self.rgb_hsv_disp.show()

        self.layout.setColumnStretch(0, 1)
        self.layout.setRowStretch(0, 1)

        self.save_file = QtWidgets.QPushButton('Save to File')
        self.save_file.clicked.connect(self.save_to_file)
        self.save_stack = QtWidgets.QPushButton('Save to Stack')
        self.save_stack.clicked.connect(self.save_to_stack)
        self.save_file.show()
        self.save_stack.show()

        self.layout.addWidget(self.save_stack, 1, 1)
        self.layout.addWidget(self.save_file, 1, 2)

    def setup_ui(self):
        self.setWindowTitle("Add New Grain")
        self.setWindowIcon(QIcon(RESOURCE_PATH + "icons/nakka-finocyl.gif"))

        self.resize(400, 400)

        controls = QGridLayout()
        gb_frame = QGroupBox(self.tr("Grain Design"))
        gb_frame.setLayout(controls)
        
        self.cb_grain_type = QComboBox()

        # TODO: make grain types auto propagate combobox
        self.cb_grain_type.addItems([self.tr("Cylindrical (BATES)")])
        controls.addWidget(QLabel(self.tr("Core Shape")), 0, 0)
        controls.addWidget(self.cb_grain_type, 0, 1)

        self.cb_propellant_type = QComboBox()
        self.cb_propellant_type.addItems(app_context.propellant_db.propellant_names())
        controls.addWidget(QLabel(self.tr("Propellant Type")), 1, 0)
        controls.addWidget(self.cb_propellant_type, 1, 1)

        # ok and cancel buttons
        btn_ok = QPushButton(self.tr("Apply"))
        btn_ok.clicked.connect(self.confirm_grain)
        btn_cancel = QPushButton(self.tr("Close"))
        btn_cancel.clicked.connect(self.close)

        lay_btns = QHBoxLayout()
        lay_btns.addWidget(btn_ok)
        lay_btns.addWidget(btn_cancel)
        frame_btns = QFrame()
        frame_btns.setLayout(lay_btns)

        # master layout
        master = QVBoxLayout()
        master.addWidget(gb_frame)
        master.addSpacing(10)
        master.addWidget(frame_btns)
        self.setLayout(master)